1 | /* |
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2 | |
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3 | Copyright 2014 S. Razi Alavizadeh |
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4 | Copyright 2013 Thomas Etter |
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5 | Copyright 2012-2015 Adam Reichold |
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6 | Copyright 2014 Dorian Scholz |
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7 | |
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8 | This file is part of qpdfview. |
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9 | |
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10 | qpdfview is free software: you can redistribute it and/or modify |
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11 | it under the terms of the GNU General Public License as published by |
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12 | the Free Software Foundation, either version 2 of the License, or |
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13 | (at your option) any later version. |
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14 | |
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15 | qpdfview is distributed in the hope that it will be useful, |
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16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 | GNU General Public License for more details. |
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19 | |
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20 | You should have received a copy of the GNU General Public License |
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21 | along with qpdfview. If not, see <http://www.gnu.org/licenses/>. |
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22 | |
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23 | */ |
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24 | |
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25 | #include "documentview.h" |
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26 | |
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27 | #include <QApplication> |
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28 | #include <QInputDialog> |
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29 | #include <QDebug> |
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30 | #include <QDesktopWidget> |
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31 | #include <QDesktopServices> |
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32 | #include <QDir> |
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33 | #include <QFileSystemWatcher> |
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34 | #include <QKeyEvent> |
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35 | #include <qmath.h> |
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36 | #include <QMenu> |
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37 | #include <QMessageBox> |
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38 | #include <QPrintEngine> |
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39 | #include <QProcess> |
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40 | #include <QProgressDialog> |
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41 | #include <QScrollBar> |
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42 | #include <QTemporaryFile> |
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43 | #include <QTimer> |
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44 | #include <QUrl> |
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45 | |
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46 | #ifdef WITH_CUPS |
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47 | |
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48 | #include <cups/cups.h> |
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49 | #include <cups/ppd.h> |
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50 | |
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51 | #endif // WITH_CUPS |
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52 | |
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53 | #ifdef WITH_SYNCTEX |
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54 | |
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55 | #include <synctex_parser.h> |
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56 | |
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57 | #endif // WITH_SYNCTEX |
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58 | |
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59 | #include "settings.h" |
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60 | #include "model.h" |
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61 | #include "pluginhandler.h" |
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62 | #include "shortcuthandler.h" |
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63 | #include "pageitem.h" |
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64 | #include "thumbnailitem.h" |
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65 | #include "presentationview.h" |
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66 | #include "searchmodel.h" |
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67 | #include "searchtask.h" |
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68 | #include "miscellaneous.h" |
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69 | #include "documentlayout.h" |
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70 | |
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71 | namespace |
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72 | { |
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73 | |
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74 | using namespace qpdfview; |
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75 | |
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76 | // taken from http://rosettacode.org/wiki/Roman_numerals/Decode#C.2B.2B |
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77 | int romanToInt(const QString& text) |
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78 | { |
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79 | if(text.size() == 1) |
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80 | { |
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81 | switch(text.at(0).toLower().toLatin1()) |
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82 | { |
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83 | case 'i': return 1; |
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84 | case 'v': return 5; |
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85 | case 'x': return 10; |
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86 | case 'l': return 50; |
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87 | case 'c': return 100; |
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88 | case 'd': return 500; |
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89 | case 'm': return 1000; |
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90 | } |
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91 | |
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92 | return 0; |
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93 | } |
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94 | |
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95 | int result = 0; |
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96 | int previous = 0, current = 0; |
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97 | |
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98 | for(int i = text.size() - 1; i >= 0; --i) |
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99 | { |
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100 | current = romanToInt(text.at(i)); |
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101 | |
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102 | result += current < previous ? -current : current; |
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103 | |
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104 | previous = current; |
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105 | } |
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106 | |
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107 | return result; |
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108 | } |
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109 | |
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110 | // taken from http://rosettacode.org/wiki/Roman_numerals/Encode#C.2B.2B |
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111 | QString intToRoman(int number) |
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112 | { |
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113 | struct romandata_t |
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114 | { |
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115 | int value; |
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116 | char const* numeral; |
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117 | }; |
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118 | |
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119 | static const romandata_t romandata[] = |
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120 | { |
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121 | { 1000, "m" }, |
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122 | { 900, "cm" }, |
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123 | { 500, "d" }, |
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124 | { 400, "cd" }, |
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125 | { 100, "c" }, |
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126 | { 90, "xc" }, |
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127 | { 50, "l" }, |
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128 | { 40, "xl" }, |
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129 | { 10, "x" }, |
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130 | { 9, "ix" }, |
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131 | { 5, "v" }, |
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132 | { 4, "iv" }, |
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133 | { 1, "i" }, |
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134 | { 0, NULL } |
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135 | }; |
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136 | |
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137 | if(number >= 4000) |
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138 | { |
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139 | return QLatin1String("?"); |
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140 | } |
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141 | |
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142 | QString result; |
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143 | |
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144 | for(const romandata_t* current = romandata; current->value > 0; ++current) |
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145 | { |
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146 | while(number >= current->value) |
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147 | { |
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148 | number -= current->value; |
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149 | result += QLatin1String(current->numeral); |
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150 | } |
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151 | } |
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152 | |
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153 | return result; |
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154 | } |
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155 | |
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156 | bool copyFile(QFile& source, QFile& destination) |
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157 | { |
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158 | const qint64 maxSize = 4096; |
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159 | qint64 size = -1; |
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160 | |
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161 | QScopedArrayPointer< char > buffer(new char[maxSize]); |
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162 | |
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163 | do |
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164 | { |
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165 | if((size = source.read(buffer.data(), maxSize)) < 0) |
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166 | { |
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167 | return false; |
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168 | } |
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169 | |
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170 | if(destination.write(buffer.data(), size) < 0) |
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171 | { |
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172 | return false; |
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173 | } |
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174 | } |
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175 | while(size > 0); |
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176 | |
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177 | return true; |
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178 | } |
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179 | |
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180 | #ifdef WITH_CUPS |
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181 | |
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182 | struct RemovePpdFileDeleter |
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183 | { |
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184 | static inline void cleanup(const char* ppdFileName) { if(ppdFileName != 0) { QFile::remove(ppdFileName); } } |
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185 | }; |
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186 | |
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187 | struct ClosePpdFileDeleter |
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188 | { |
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189 | static inline void cleanup(ppd_file_t* ppdFile) { if(ppdFile != 0) { ppdClose(ppdFile); } } |
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190 | }; |
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191 | |
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192 | int addCMYKorRGBColorModel(cups_dest_t* dest, int num_options, cups_option_t** options) |
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193 | { |
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194 | QScopedPointer< const char, RemovePpdFileDeleter > ppdFileName(cupsGetPPD(dest->name)); |
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195 | |
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196 | if(ppdFileName.isNull()) |
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197 | { |
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198 | return num_options; |
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199 | } |
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200 | |
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201 | QScopedPointer< ppd_file_t, ClosePpdFileDeleter > ppdFile(ppdOpenFile(ppdFileName.data())); |
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202 | |
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203 | if(ppdFile.isNull()) |
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204 | { |
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205 | return num_options; |
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206 | } |
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207 | |
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208 | ppd_option_t* colorModel = ppdFindOption(ppdFile.data(), "ColorModel"); |
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209 | |
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210 | if(colorModel == 0) |
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211 | { |
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212 | return num_options; |
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213 | } |
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214 | |
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215 | for(int index = 0; index < colorModel->num_choices; ++index) |
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216 | { |
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217 | if(qstrcmp(colorModel->choices[index].choice, "CMYK") == 0) |
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218 | { |
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219 | return cupsAddOption("ColorModel", "CMYK", num_options, options); |
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220 | } |
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221 | } |
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222 | |
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223 | for(int index = 0; index < colorModel->num_choices; ++index) |
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224 | { |
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225 | if(qstrcmp(colorModel->choices[index].choice, "RGB") == 0) |
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226 | { |
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227 | return cupsAddOption("ColorModel", "RGB", num_options, options); |
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228 | } |
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229 | } |
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230 | |
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231 | return num_options; |
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232 | } |
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233 | |
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234 | #endif // WITH_CUPS |
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235 | |
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236 | void adjustFileTemplateSuffix(QTemporaryFile& temporaryFile, const QString& suffix) |
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237 | { |
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238 | temporaryFile.setFileTemplate(temporaryFile.fileTemplate() + QLatin1String(".") + suffix); |
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239 | } |
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240 | |
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241 | bool modifiersUseMouseButton(Settings* settings, Qt::MouseButton mouseButton) |
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242 | { |
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243 | return ((settings->documentView().zoomModifiers() | settings->documentView().rotateModifiers() | settings->documentView().scrollModifiers()) & mouseButton) != 0; |
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244 | } |
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245 | |
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246 | inline int pageOfResult(const QModelIndex& index) |
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247 | { |
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248 | return index.data(SearchModel::PageRole).toInt(); |
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249 | } |
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250 | |
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251 | inline QRectF rectOfResult(const QModelIndex& index) |
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252 | { |
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253 | return index.data(SearchModel::RectRole).toRectF(); |
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254 | } |
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255 | |
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256 | inline void adjustScaleFactor(RenderParam& renderParam, qreal scaleFactor) |
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257 | { |
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258 | if(!qFuzzyCompare(renderParam.scaleFactor(), scaleFactor)) |
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259 | { |
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260 | renderParam.setScaleFactor(scaleFactor); |
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261 | } |
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262 | } |
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263 | |
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264 | inline void setValueIfNotVisible(QScrollBar* scrollBar, int value) |
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265 | { |
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266 | if(value < scrollBar->value() || value > scrollBar->value() + scrollBar->pageStep()) |
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267 | { |
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268 | scrollBar->setValue(value); |
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269 | } |
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270 | } |
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271 | |
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272 | void saveExpandedPaths(const QAbstractItemModel* model, QSet< QString >& paths, const QModelIndex& index, QString path) |
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273 | { |
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274 | path += index.data(Qt::DisplayRole).toString(); |
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275 | |
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276 | if(model->data(index, Model::Document::ExpansionRole).toBool()) |
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277 | { |
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278 | paths.insert(path); |
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279 | } |
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280 | |
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281 | for(int row = 0, rowCount = model->rowCount(index); row < rowCount; ++row) |
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282 | { |
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283 | saveExpandedPaths(model, paths, model->index(row, 0, index), path); |
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284 | } |
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285 | } |
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286 | |
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287 | void restoreExpandedPaths(QAbstractItemModel* model, const QSet< QString >& paths, const QModelIndex& index, QString path) |
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288 | { |
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289 | path += index.data(Qt::DisplayRole).toString(); |
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290 | |
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291 | if(paths.contains(path)) |
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292 | { |
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293 | model->setData(index, true, Model::Document::ExpansionRole); |
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294 | } |
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295 | |
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296 | for(int row = 0, rowCount = model->rowCount(index); row < rowCount; ++row) |
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297 | { |
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298 | restoreExpandedPaths(model, paths, model->index(row, 0, index), path); |
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299 | } |
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300 | } |
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301 | |
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302 | } // anonymous |
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303 | |
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304 | namespace qpdfview |
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305 | { |
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306 | |
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307 | Settings* DocumentView::s_settings = 0; |
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308 | ShortcutHandler* DocumentView::s_shortcutHandler = 0; |
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309 | SearchModel* DocumentView::s_searchModel = 0; |
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310 | |
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311 | DocumentView::DocumentView(QWidget* parent) : QGraphicsView(parent), |
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312 | m_autoRefreshWatcher(0), |
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313 | m_autoRefreshTimer(0), |
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314 | m_prefetchTimer(0), |
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315 | m_document(0), |
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316 | m_pages(), |
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317 | m_fileInfo(), |
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318 | m_wasModified(false), |
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319 | m_currentPage(-1), |
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320 | m_firstPage(-1), |
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321 | m_past(), |
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322 | m_future(), |
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323 | m_layout(new SinglePageLayout), |
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324 | m_continuousMode(false), |
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325 | m_scaleMode(ScaleFactorMode), |
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326 | m_scaleFactor(1.0), |
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327 | m_rotation(RotateBy0), |
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328 | m_renderFlags(0), |
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329 | m_highlightAll(false), |
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330 | m_rubberBandMode(ModifiersMode), |
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331 | m_pageItems(), |
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332 | m_thumbnailItems(), |
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333 | m_highlight(0), |
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334 | m_thumbnailsViewportSize(), |
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335 | m_thumbnailsOrientation(Qt::Vertical), |
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336 | m_thumbnailsScene(0), |
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337 | m_outlineModel(0), |
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338 | m_propertiesModel(0), |
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339 | m_currentResult(), |
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340 | m_searchTask(0) |
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341 | { |
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342 | if(s_settings == 0) |
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343 | { |
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344 | s_settings = Settings::instance(); |
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345 | } |
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346 | |
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347 | if(s_shortcutHandler == 0) |
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348 | { |
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349 | s_shortcutHandler = ShortcutHandler::instance(); |
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350 | } |
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351 | |
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352 | if(s_searchModel == 0) |
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353 | { |
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354 | s_searchModel = SearchModel::instance(); |
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355 | } |
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356 | |
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357 | setScene(new QGraphicsScene(this)); |
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358 | |
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359 | setAcceptDrops(false); |
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360 | setDragMode(QGraphicsView::ScrollHandDrag); |
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361 | |
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362 | reconnectVerticalScrollBar(); |
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363 | |
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364 | m_thumbnailsScene = new QGraphicsScene(this); |
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365 | |
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366 | m_outlineModel = new QStandardItemModel(this); |
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367 | m_propertiesModel = new QStandardItemModel(this); |
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368 | |
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369 | // highlight |
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370 | |
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371 | m_highlight = new QGraphicsRectItem(); |
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372 | m_highlight->setGraphicsEffect(new GraphicsCompositionModeEffect(QPainter::CompositionMode_Multiply, this)); |
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373 | |
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374 | m_highlight->setVisible(false); |
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375 | scene()->addItem(m_highlight); |
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376 | |
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377 | // search |
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378 | |
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379 | m_searchTask = new SearchTask(this); |
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380 | |
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381 | connect(m_searchTask, SIGNAL(finished()), SIGNAL(searchFinished())); |
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382 | |
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383 | connect(m_searchTask, SIGNAL(progressChanged(int)), SLOT(on_searchTask_progressChanged(int))); |
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384 | connect(m_searchTask, SIGNAL(resultsReady(int,QList<QRectF>)), SLOT(on_searchTask_resultsReady(int,QList<QRectF>))); |
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385 | |
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386 | // auto-refresh |
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387 | |
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388 | m_autoRefreshWatcher = new QFileSystemWatcher(this); |
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389 | |
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390 | m_autoRefreshTimer = new QTimer(this); |
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391 | m_autoRefreshTimer->setInterval(s_settings->documentView().autoRefreshTimeout()); |
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392 | m_autoRefreshTimer->setSingleShot(true); |
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393 | |
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394 | connect(m_autoRefreshWatcher, SIGNAL(fileChanged(QString)), m_autoRefreshTimer, SLOT(start())); |
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395 | |
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396 | connect(m_autoRefreshTimer, SIGNAL(timeout()), this, SLOT(on_autoRefresh_timeout())); |
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397 | |
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398 | // prefetch |
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399 | |
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400 | m_prefetchTimer = new QTimer(this); |
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401 | m_prefetchTimer->setInterval(s_settings->documentView().prefetchTimeout()); |
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402 | m_prefetchTimer->setSingleShot(true); |
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403 | |
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404 | connect(this, SIGNAL(currentPageChanged(int)), m_prefetchTimer, SLOT(start())); |
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405 | connect(this, SIGNAL(layoutModeChanged(LayoutMode)), m_prefetchTimer, SLOT(start())); |
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406 | connect(this, SIGNAL(scaleModeChanged(ScaleMode)), m_prefetchTimer, SLOT(start())); |
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407 | connect(this, SIGNAL(scaleFactorChanged(qreal)), m_prefetchTimer, SLOT(start())); |
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408 | connect(this, SIGNAL(rotationChanged(Rotation)), m_prefetchTimer, SLOT(start())); |
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409 | connect(this, SIGNAL(invertColorsChanged(bool)), m_prefetchTimer, SLOT(start())); |
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410 | |
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411 | connect(m_prefetchTimer, SIGNAL(timeout()), SLOT(on_prefetch_timeout())); |
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412 | |
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413 | // settings |
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414 | |
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415 | m_continuousMode = s_settings->documentView().continuousMode(); |
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416 | m_layout.reset(DocumentLayout::fromLayoutMode(s_settings->documentView().layoutMode())); |
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417 | m_rightToLeftMode = s_settings->documentView().rightToLeftMode(); |
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418 | |
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419 | m_scaleMode = s_settings->documentView().scaleMode(); |
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420 | m_scaleFactor = s_settings->documentView().scaleFactor(); |
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421 | m_rotation = s_settings->documentView().rotation(); |
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422 | |
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423 | if(s_settings->documentView().invertColors()) |
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424 | { |
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425 | m_renderFlags |= InvertColors; |
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426 | } |
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427 | |
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428 | if(s_settings->documentView().convertToGrayscale()) |
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429 | { |
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430 | m_renderFlags |= ConvertToGrayscale; |
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431 | } |
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432 | |
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433 | if(s_settings->documentView().trimMargins()) |
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434 | { |
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435 | m_renderFlags |= TrimMargins; |
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436 | } |
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437 | |
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438 | switch(s_settings->documentView().compositionMode()) |
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439 | { |
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440 | default: |
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441 | case DefaultCompositionMode: |
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442 | break; |
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443 | case DarkenWithPaperColorMode: |
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444 | m_renderFlags |= DarkenWithPaperColor; |
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445 | break; |
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446 | case LightenWithPaperColorMode: |
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447 | m_renderFlags |= LightenWithPaperColor; |
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448 | break; |
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449 | } |
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450 | |
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451 | m_highlightAll = s_settings->documentView().highlightAll(); |
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452 | } |
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453 | |
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454 | DocumentView::~DocumentView() |
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455 | { |
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456 | m_searchTask->cancel(); |
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457 | m_searchTask->wait(); |
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458 | |
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459 | s_searchModel->clearResults(this); |
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460 | |
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461 | qDeleteAll(m_pageItems); |
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462 | qDeleteAll(m_thumbnailItems); |
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463 | |
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464 | qDeleteAll(m_pages); |
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465 | delete m_document; |
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466 | } |
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467 | |
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468 | void DocumentView::setFirstPage(int firstPage) |
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469 | { |
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470 | if(m_firstPage != firstPage) |
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471 | { |
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472 | m_firstPage = firstPage; |
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473 | |
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474 | for(int index = 0; index < m_thumbnailItems.count(); ++index) |
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475 | { |
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476 | m_thumbnailItems.at(index)->setText(pageLabelFromNumber(index + 1)); |
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477 | } |
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478 | |
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479 | prepareThumbnailsScene(); |
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480 | |
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481 | if(m_outlineModel->invisibleRootItem()->data().toBool()) |
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482 | { |
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483 | loadFallbackOutline(); |
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484 | } |
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485 | |
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486 | emit currentPageChanged(m_currentPage); |
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487 | } |
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488 | } |
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489 | |
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490 | QString DocumentView::defaultPageLabelFromNumber(int number) const |
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491 | { |
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492 | QLocale modifiedLocale = locale(); |
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493 | |
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494 | modifiedLocale.setNumberOptions(modifiedLocale.numberOptions() | QLocale::OmitGroupSeparator); |
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495 | |
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496 | return modifiedLocale.toString(number); |
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497 | } |
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498 | |
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499 | QString DocumentView::pageLabelFromNumber(int number) const |
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500 | { |
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501 | QString label; |
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502 | |
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503 | if(hasFrontMatter()) |
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504 | { |
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505 | if(number < m_firstPage) |
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506 | { |
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507 | label = number < 4000 ? intToRoman(number) : defaultPageLabelFromNumber(-number); |
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508 | } |
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509 | else |
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510 | { |
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511 | label = defaultPageLabelFromNumber(number - m_firstPage + 1); |
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512 | } |
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513 | } |
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514 | else if(number >= 1 && number <= m_pages.count()) |
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515 | { |
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516 | const QString& pageLabel = m_pages.at(number - 1)->label(); |
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517 | |
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518 | if(number != pageLabel.toInt()) |
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519 | { |
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520 | label = pageLabel; |
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521 | } |
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522 | } |
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523 | |
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524 | if(label.isEmpty()) |
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525 | { |
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526 | label = defaultPageLabelFromNumber(number); |
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527 | } |
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528 | |
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529 | return label; |
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530 | } |
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531 | |
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532 | int DocumentView::pageNumberFromLabel(const QString& label) const |
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533 | { |
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534 | if(hasFrontMatter()) |
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535 | { |
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536 | bool ok = false; |
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537 | int value = locale().toInt(label, &ok); |
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538 | |
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539 | if(ok) |
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540 | { |
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541 | if(value < 0) |
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542 | { |
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543 | value = -value; // front matter |
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544 | } |
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545 | else |
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546 | { |
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547 | value = value + m_firstPage - 1; // body matter |
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548 | } |
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549 | } |
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550 | else |
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551 | { |
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552 | value = romanToInt(label); |
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553 | } |
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554 | |
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555 | return value; |
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556 | } |
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557 | |
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558 | for(int index = 0; index < m_pages.count(); ++index) |
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559 | { |
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560 | if(m_pages.at(index)->label() == label) |
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561 | { |
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562 | return index + 1; |
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563 | } |
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564 | } |
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565 | |
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566 | return locale().toInt(label); |
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567 | } |
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568 | |
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569 | QString DocumentView::title() const |
---|
570 | { |
---|
571 | QString title; |
---|
572 | |
---|
573 | if(s_settings->mainWindow().documentTitleAsTabTitle()) |
---|
574 | { |
---|
575 | for(int row = 0, rowCount = m_propertiesModel->rowCount(); row < rowCount; ++row) |
---|
576 | { |
---|
577 | const QStandardItem* keyItem = m_propertiesModel->item(row, 0); |
---|
578 | const QStandardItem* valueItem = m_propertiesModel->item(row, 1); |
---|
579 | |
---|
580 | if(keyItem != 0 && valueItem != 0 && QLatin1String("Title") == keyItem->text()) |
---|
581 | { |
---|
582 | title = valueItem->text(); |
---|
583 | break; |
---|
584 | } |
---|
585 | } |
---|
586 | } |
---|
587 | |
---|
588 | if(title.isEmpty()) |
---|
589 | { |
---|
590 | title = m_fileInfo.completeBaseName(); |
---|
591 | } |
---|
592 | |
---|
593 | return title; |
---|
594 | } |
---|
595 | |
---|
596 | QStringList DocumentView::openFilter() |
---|
597 | { |
---|
598 | return PluginHandler::openFilter(); |
---|
599 | } |
---|
600 | |
---|
601 | QStringList DocumentView::saveFilter() const |
---|
602 | { |
---|
603 | return m_document->saveFilter(); |
---|
604 | } |
---|
605 | |
---|
606 | bool DocumentView::canSave() const |
---|
607 | { |
---|
608 | return m_document->canSave(); |
---|
609 | } |
---|
610 | |
---|
611 | void DocumentView::setContinuousMode(bool continuousMode) |
---|
612 | { |
---|
613 | if(m_continuousMode != continuousMode) |
---|
614 | { |
---|
615 | m_continuousMode = continuousMode; |
---|
616 | |
---|
617 | qreal left = 0.0, top = 0.0; |
---|
618 | saveLeftAndTop(left, top); |
---|
619 | |
---|
620 | adjustScrollBarPolicy(); |
---|
621 | |
---|
622 | prepareView(left, top); |
---|
623 | |
---|
624 | emit continuousModeChanged(m_continuousMode); |
---|
625 | |
---|
626 | s_settings->documentView().setContinuousMode(m_continuousMode); |
---|
627 | } |
---|
628 | } |
---|
629 | |
---|
630 | LayoutMode DocumentView::layoutMode() const |
---|
631 | { |
---|
632 | return m_layout->layoutMode(); |
---|
633 | } |
---|
634 | |
---|
635 | void DocumentView::setLayoutMode(LayoutMode layoutMode) |
---|
636 | { |
---|
637 | if(m_layout->layoutMode() != layoutMode && layoutMode >= 0 && layoutMode < NumberOfLayoutModes) |
---|
638 | { |
---|
639 | m_layout.reset(DocumentLayout::fromLayoutMode(layoutMode)); |
---|
640 | |
---|
641 | if(m_currentPage != m_layout->currentPage(m_currentPage)) |
---|
642 | { |
---|
643 | m_currentPage = m_layout->currentPage(m_currentPage); |
---|
644 | |
---|
645 | emit currentPageChanged(m_currentPage); |
---|
646 | } |
---|
647 | |
---|
648 | prepareScene(); |
---|
649 | prepareView(); |
---|
650 | |
---|
651 | emit layoutModeChanged(layoutMode); |
---|
652 | |
---|
653 | s_settings->documentView().setLayoutMode(layoutMode); |
---|
654 | } |
---|
655 | } |
---|
656 | |
---|
657 | void DocumentView::setRightToLeftMode(bool rightToLeftMode) |
---|
658 | { |
---|
659 | if(m_rightToLeftMode != rightToLeftMode) |
---|
660 | { |
---|
661 | m_rightToLeftMode = rightToLeftMode; |
---|
662 | |
---|
663 | prepareScene(); |
---|
664 | prepareView(); |
---|
665 | |
---|
666 | emit rightToLeftModeChanged(m_rightToLeftMode); |
---|
667 | |
---|
668 | s_settings->documentView().setRightToLeftMode(m_rightToLeftMode); |
---|
669 | } |
---|
670 | } |
---|
671 | |
---|
672 | void DocumentView::setScaleMode(ScaleMode scaleMode) |
---|
673 | { |
---|
674 | if(m_scaleMode != scaleMode && scaleMode >= 0 && scaleMode < NumberOfScaleModes) |
---|
675 | { |
---|
676 | m_scaleMode = scaleMode; |
---|
677 | |
---|
678 | qreal left = 0.0, top = 0.0; |
---|
679 | saveLeftAndTop(left, top); |
---|
680 | |
---|
681 | adjustScrollBarPolicy(); |
---|
682 | |
---|
683 | prepareScene(); |
---|
684 | prepareView(left, top); |
---|
685 | |
---|
686 | emit scaleModeChanged(m_scaleMode); |
---|
687 | |
---|
688 | s_settings->documentView().setScaleMode(m_scaleMode); |
---|
689 | } |
---|
690 | } |
---|
691 | |
---|
692 | void DocumentView::setScaleFactor(qreal scaleFactor) |
---|
693 | { |
---|
694 | if(!qFuzzyCompare(m_scaleFactor, scaleFactor) |
---|
695 | && scaleFactor >= s_settings->documentView().minimumScaleFactor() |
---|
696 | && scaleFactor <= s_settings->documentView().maximumScaleFactor()) |
---|
697 | { |
---|
698 | m_scaleFactor = scaleFactor; |
---|
699 | |
---|
700 | if(m_scaleMode == ScaleFactorMode) |
---|
701 | { |
---|
702 | qreal left = 0.0, top = 0.0; |
---|
703 | saveLeftAndTop(left, top); |
---|
704 | |
---|
705 | prepareScene(); |
---|
706 | prepareView(left, top); |
---|
707 | } |
---|
708 | |
---|
709 | emit scaleFactorChanged(m_scaleFactor); |
---|
710 | |
---|
711 | s_settings->documentView().setScaleFactor(m_scaleFactor); |
---|
712 | } |
---|
713 | } |
---|
714 | |
---|
715 | void DocumentView::setRotation(Rotation rotation) |
---|
716 | { |
---|
717 | if(m_rotation != rotation && rotation >= 0 && rotation < NumberOfRotations) |
---|
718 | { |
---|
719 | m_rotation = rotation; |
---|
720 | |
---|
721 | prepareScene(); |
---|
722 | prepareView(); |
---|
723 | |
---|
724 | emit rotationChanged(m_rotation); |
---|
725 | |
---|
726 | s_settings->documentView().setRotation(m_rotation); |
---|
727 | } |
---|
728 | } |
---|
729 | |
---|
730 | void DocumentView::setRenderFlags(qpdfview::RenderFlags renderFlags) |
---|
731 | { |
---|
732 | if(m_renderFlags != renderFlags) |
---|
733 | { |
---|
734 | const qpdfview::RenderFlags changedFlags = m_renderFlags ^ renderFlags; |
---|
735 | |
---|
736 | m_renderFlags = renderFlags; |
---|
737 | |
---|
738 | qreal left = 0.0, top = 0.0; |
---|
739 | saveLeftAndTop(left, top); |
---|
740 | |
---|
741 | prepareScene(); |
---|
742 | prepareView(left, top); |
---|
743 | |
---|
744 | prepareThumbnailsScene(); |
---|
745 | |
---|
746 | if(changedFlags.testFlag(InvertColors)) |
---|
747 | { |
---|
748 | prepareBackground(); |
---|
749 | |
---|
750 | emit invertColorsChanged(invertColors()); |
---|
751 | |
---|
752 | s_settings->documentView().setInvertColors(invertColors()); |
---|
753 | } |
---|
754 | |
---|
755 | if(changedFlags.testFlag(ConvertToGrayscale)) |
---|
756 | { |
---|
757 | emit convertToGrayscaleChanged(convertToGrayscale()); |
---|
758 | |
---|
759 | s_settings->documentView().setConvertToGrayscale(convertToGrayscale()); |
---|
760 | } |
---|
761 | |
---|
762 | if(changedFlags.testFlag(TrimMargins)) |
---|
763 | { |
---|
764 | emit trimMarginsChanged(trimMargins()); |
---|
765 | |
---|
766 | s_settings->documentView().setTrimMargins(trimMargins()); |
---|
767 | } |
---|
768 | |
---|
769 | if(changedFlags.testFlag(DarkenWithPaperColor) || changedFlags.testFlag(LightenWithPaperColor)) |
---|
770 | { |
---|
771 | emit compositionModeChanged(compositionMode()); |
---|
772 | |
---|
773 | s_settings->documentView().setCompositionMode(compositionMode()); |
---|
774 | } |
---|
775 | |
---|
776 | emit renderFlagsChanged(m_renderFlags); |
---|
777 | } |
---|
778 | } |
---|
779 | |
---|
780 | void DocumentView::setRenderFlag(qpdfview::RenderFlag renderFlag, bool enabled) |
---|
781 | { |
---|
782 | if(enabled) |
---|
783 | { |
---|
784 | setRenderFlags(m_renderFlags | renderFlag); |
---|
785 | } |
---|
786 | else |
---|
787 | { |
---|
788 | setRenderFlags(m_renderFlags & ~renderFlag); |
---|
789 | } |
---|
790 | } |
---|
791 | |
---|
792 | CompositionMode DocumentView::compositionMode() const |
---|
793 | { |
---|
794 | if(m_renderFlags.testFlag(DarkenWithPaperColor)) |
---|
795 | { |
---|
796 | return DarkenWithPaperColorMode; |
---|
797 | } |
---|
798 | else if(m_renderFlags.testFlag(LightenWithPaperColor)) |
---|
799 | { |
---|
800 | return LightenWithPaperColorMode; |
---|
801 | } |
---|
802 | else |
---|
803 | { |
---|
804 | return DefaultCompositionMode; |
---|
805 | } |
---|
806 | } |
---|
807 | |
---|
808 | void DocumentView::setCompositionMode(CompositionMode compositionMode) |
---|
809 | { |
---|
810 | switch(compositionMode) |
---|
811 | { |
---|
812 | default: |
---|
813 | case DefaultCompositionMode: |
---|
814 | setRenderFlags((renderFlags() & ~DarkenWithPaperColor) & ~LightenWithPaperColor); |
---|
815 | break; |
---|
816 | case DarkenWithPaperColorMode: |
---|
817 | setRenderFlags((renderFlags() | DarkenWithPaperColor) & ~LightenWithPaperColor); |
---|
818 | break; |
---|
819 | case LightenWithPaperColorMode: |
---|
820 | setRenderFlags((renderFlags() & ~DarkenWithPaperColor) | LightenWithPaperColor); |
---|
821 | break; |
---|
822 | } |
---|
823 | } |
---|
824 | |
---|
825 | void DocumentView::setHighlightAll(bool highlightAll) |
---|
826 | { |
---|
827 | if(m_highlightAll != highlightAll) |
---|
828 | { |
---|
829 | m_highlightAll = highlightAll; |
---|
830 | |
---|
831 | if(m_highlightAll) |
---|
832 | { |
---|
833 | for(int index = 0; index < m_pages.count(); ++index) |
---|
834 | { |
---|
835 | const QList< QRectF >& results = s_searchModel->resultsOnPage(this, index + 1); |
---|
836 | |
---|
837 | m_pageItems.at(index)->setHighlights(results); |
---|
838 | m_thumbnailItems.at(index)->setHighlights(results); |
---|
839 | } |
---|
840 | } |
---|
841 | else |
---|
842 | { |
---|
843 | for(int index = 0; index < m_pages.count(); ++index) |
---|
844 | { |
---|
845 | m_pageItems.at(index)->setHighlights(QList< QRectF >()); |
---|
846 | m_thumbnailItems.at(index)->setHighlights(QList< QRectF >()); |
---|
847 | } |
---|
848 | } |
---|
849 | |
---|
850 | emit highlightAllChanged(m_highlightAll); |
---|
851 | |
---|
852 | s_settings->documentView().setHighlightAll(highlightAll); |
---|
853 | } |
---|
854 | } |
---|
855 | |
---|
856 | void DocumentView::setRubberBandMode(RubberBandMode rubberBandMode) |
---|
857 | { |
---|
858 | if(m_rubberBandMode != rubberBandMode && rubberBandMode >= 0 && rubberBandMode < NumberOfRubberBandModes) |
---|
859 | { |
---|
860 | m_rubberBandMode = rubberBandMode; |
---|
861 | |
---|
862 | foreach(PageItem* page, m_pageItems) |
---|
863 | { |
---|
864 | page->setRubberBandMode(m_rubberBandMode); |
---|
865 | } |
---|
866 | |
---|
867 | emit rubberBandModeChanged(m_rubberBandMode); |
---|
868 | } |
---|
869 | } |
---|
870 | |
---|
871 | void DocumentView::setThumbnailsViewportSize(const QSize& thumbnailsViewportSize) |
---|
872 | { |
---|
873 | if(m_thumbnailsViewportSize != thumbnailsViewportSize) |
---|
874 | { |
---|
875 | m_thumbnailsViewportSize = thumbnailsViewportSize; |
---|
876 | |
---|
877 | prepareThumbnailsScene(); |
---|
878 | } |
---|
879 | } |
---|
880 | |
---|
881 | void DocumentView::setThumbnailsOrientation(Qt::Orientation thumbnailsOrientation) |
---|
882 | { |
---|
883 | if(m_thumbnailsOrientation != thumbnailsOrientation) |
---|
884 | { |
---|
885 | m_thumbnailsOrientation = thumbnailsOrientation; |
---|
886 | |
---|
887 | prepareThumbnailsScene(); |
---|
888 | } |
---|
889 | } |
---|
890 | |
---|
891 | QStandardItemModel* DocumentView::fontsModel() const |
---|
892 | { |
---|
893 | QStandardItemModel* fontsModel = new QStandardItemModel(); |
---|
894 | |
---|
895 | m_document->loadFonts(fontsModel); |
---|
896 | |
---|
897 | return fontsModel; |
---|
898 | } |
---|
899 | |
---|
900 | bool DocumentView::searchWasCanceled() const |
---|
901 | { |
---|
902 | return m_searchTask->wasCanceled(); |
---|
903 | } |
---|
904 | |
---|
905 | int DocumentView::searchProgress() const |
---|
906 | { |
---|
907 | return m_searchTask->progress(); |
---|
908 | } |
---|
909 | |
---|
910 | QString DocumentView::searchText() const |
---|
911 | { |
---|
912 | return m_searchTask->text(); |
---|
913 | } |
---|
914 | |
---|
915 | bool DocumentView::searchMatchCase() const |
---|
916 | { |
---|
917 | return m_searchTask->matchCase(); |
---|
918 | } |
---|
919 | |
---|
920 | bool DocumentView::searchWholeWords() const |
---|
921 | { |
---|
922 | return m_searchTask->wholeWords(); |
---|
923 | } |
---|
924 | |
---|
925 | QPair< QString, QString > DocumentView::searchContext(int page, const QRectF& rect) const |
---|
926 | { |
---|
927 | if(page < 1 || page > m_pages.size() || rect.isEmpty()) |
---|
928 | { |
---|
929 | return qMakePair(QString(), QString()); |
---|
930 | } |
---|
931 | |
---|
932 | // Fetch at most half of a line as centered on the given rectangle as possible. |
---|
933 | const qreal pageWidth = m_pages.at(page - 1)->size().width(); |
---|
934 | const qreal width = qMax(rect.width(), pageWidth / qreal(2)); |
---|
935 | const qreal x = qBound(qreal(0), rect.x() + rect.width() / qreal(2) - width / qreal(2), pageWidth - width); |
---|
936 | |
---|
937 | const QRectF surroundingRect(x, rect.top(), width, rect.height()); |
---|
938 | |
---|
939 | const QString& matchedText = m_pages.at(page - 1)->cachedText(rect); |
---|
940 | const QString& surroundingText = m_pages.at(page - 1)->cachedText(surroundingRect); |
---|
941 | |
---|
942 | return qMakePair(matchedText, surroundingText); |
---|
943 | } |
---|
944 | |
---|
945 | DocumentView::SourceLink DocumentView::sourceLink(const QPoint& pos) |
---|
946 | { |
---|
947 | SourceLink sourceLink; |
---|
948 | |
---|
949 | #ifdef WITH_SYNCTEX |
---|
950 | |
---|
951 | if(const PageItem* page = dynamic_cast< PageItem* >(itemAt(pos))) |
---|
952 | { |
---|
953 | if(synctex_scanner_t scanner = synctex_scanner_new_with_output_file(m_fileInfo.absoluteFilePath().toLocal8Bit(), 0, 1)) |
---|
954 | { |
---|
955 | const int sourcePage = page->index() + 1; |
---|
956 | const QPointF sourcePos = page->sourcePos(page->mapFromScene(mapToScene(pos))); |
---|
957 | |
---|
958 | if(synctex_edit_query(scanner, sourcePage, sourcePos.x(), sourcePos.y()) > 0) |
---|
959 | { |
---|
960 | for(synctex_node_t node = synctex_next_result(scanner); node != 0; node = synctex_next_result(scanner)) |
---|
961 | { |
---|
962 | sourceLink.name = QString::fromLocal8Bit(synctex_scanner_get_name(scanner, synctex_node_tag(node))); |
---|
963 | sourceLink.line = qMax(synctex_node_line(node), 0); |
---|
964 | sourceLink.column = qMax(synctex_node_column(node), 0); |
---|
965 | break; |
---|
966 | } |
---|
967 | } |
---|
968 | |
---|
969 | synctex_scanner_free(scanner); |
---|
970 | } |
---|
971 | } |
---|
972 | |
---|
973 | #else |
---|
974 | |
---|
975 | Q_UNUSED(pos); |
---|
976 | |
---|
977 | #endif // WITH_SYNCTEX |
---|
978 | |
---|
979 | return sourceLink; |
---|
980 | } |
---|
981 | |
---|
982 | void DocumentView::openInSourceEditor(const DocumentView::SourceLink& sourceLink) |
---|
983 | { |
---|
984 | if(!s_settings->documentView().sourceEditor().isEmpty()) |
---|
985 | { |
---|
986 | const QString absoluteFilePath = m_fileInfo.dir().absoluteFilePath(sourceLink.name); |
---|
987 | const QString sourceEditorCommand = s_settings->documentView().sourceEditor().arg(absoluteFilePath, QString::number(sourceLink.line), QString::number(sourceLink.column)); |
---|
988 | |
---|
989 | QProcess::startDetached(sourceEditorCommand); |
---|
990 | } |
---|
991 | else |
---|
992 | { |
---|
993 | QMessageBox::information(this, tr("Information"), tr("The source editor has not been set.")); |
---|
994 | } |
---|
995 | } |
---|
996 | |
---|
997 | void DocumentView::show() |
---|
998 | { |
---|
999 | QGraphicsView::show(); |
---|
1000 | |
---|
1001 | prepareView(); |
---|
1002 | } |
---|
1003 | |
---|
1004 | bool DocumentView::open(const QString& filePath) |
---|
1005 | { |
---|
1006 | Model::Document* document = PluginHandler::instance()->loadDocument(filePath); |
---|
1007 | |
---|
1008 | if(document != 0) |
---|
1009 | { |
---|
1010 | QVector< Model::Page* > pages; |
---|
1011 | |
---|
1012 | if(!checkDocument(filePath, document, pages)) |
---|
1013 | { |
---|
1014 | delete document; |
---|
1015 | qDeleteAll(pages); |
---|
1016 | |
---|
1017 | return false; |
---|
1018 | } |
---|
1019 | |
---|
1020 | m_fileInfo.setFile(filePath); |
---|
1021 | m_wasModified = false; |
---|
1022 | |
---|
1023 | m_currentPage = 1; |
---|
1024 | |
---|
1025 | m_past.clear(); |
---|
1026 | m_future.clear(); |
---|
1027 | |
---|
1028 | prepareDocument(document, pages); |
---|
1029 | |
---|
1030 | loadDocumentDefaults(); |
---|
1031 | |
---|
1032 | adjustScrollBarPolicy(); |
---|
1033 | |
---|
1034 | prepareScene(); |
---|
1035 | prepareView(); |
---|
1036 | |
---|
1037 | prepareThumbnailsScene(); |
---|
1038 | |
---|
1039 | emit documentChanged(); |
---|
1040 | |
---|
1041 | emit numberOfPagesChanged(m_pages.count()); |
---|
1042 | emit currentPageChanged(m_currentPage); |
---|
1043 | |
---|
1044 | emit canJumpChanged(false, false); |
---|
1045 | |
---|
1046 | emit continuousModeChanged(m_continuousMode); |
---|
1047 | emit layoutModeChanged(m_layout->layoutMode()); |
---|
1048 | emit rightToLeftModeChanged(m_rightToLeftMode); |
---|
1049 | } |
---|
1050 | |
---|
1051 | return document != 0; |
---|
1052 | } |
---|
1053 | |
---|
1054 | bool DocumentView::refresh() |
---|
1055 | { |
---|
1056 | Model::Document* document = PluginHandler::instance()->loadDocument(m_fileInfo.filePath()); |
---|
1057 | |
---|
1058 | if(document != 0) |
---|
1059 | { |
---|
1060 | QVector< Model::Page* > pages; |
---|
1061 | |
---|
1062 | if(!checkDocument(m_fileInfo.filePath(), document, pages)) |
---|
1063 | { |
---|
1064 | delete document; |
---|
1065 | qDeleteAll(pages); |
---|
1066 | |
---|
1067 | return false; |
---|
1068 | } |
---|
1069 | |
---|
1070 | qreal left = 0.0, top = 0.0; |
---|
1071 | saveLeftAndTop(left, top); |
---|
1072 | |
---|
1073 | m_wasModified = false; |
---|
1074 | |
---|
1075 | m_currentPage = qMin(m_currentPage, document->numberOfPages()); |
---|
1076 | |
---|
1077 | QSet< QString > expandedPaths; |
---|
1078 | saveExpandedPaths(m_outlineModel, expandedPaths, QModelIndex(), QString()); |
---|
1079 | |
---|
1080 | prepareDocument(document, pages); |
---|
1081 | |
---|
1082 | restoreExpandedPaths(m_outlineModel, expandedPaths, QModelIndex(), QString()); |
---|
1083 | |
---|
1084 | prepareScene(); |
---|
1085 | prepareView(left, top); |
---|
1086 | |
---|
1087 | prepareThumbnailsScene(); |
---|
1088 | |
---|
1089 | emit documentChanged(); |
---|
1090 | |
---|
1091 | emit numberOfPagesChanged(m_pages.count()); |
---|
1092 | emit currentPageChanged(m_currentPage); |
---|
1093 | } |
---|
1094 | |
---|
1095 | return document != 0; |
---|
1096 | } |
---|
1097 | |
---|
1098 | bool DocumentView::save(const QString& filePath, bool withChanges) |
---|
1099 | { |
---|
1100 | // Save document to temporary file... |
---|
1101 | QTemporaryFile temporaryFile; |
---|
1102 | |
---|
1103 | adjustFileTemplateSuffix(temporaryFile, QFileInfo(filePath).suffix()); |
---|
1104 | |
---|
1105 | if(!temporaryFile.open()) |
---|
1106 | { |
---|
1107 | return false; |
---|
1108 | } |
---|
1109 | |
---|
1110 | temporaryFile.close(); |
---|
1111 | |
---|
1112 | if(!m_document->save(temporaryFile.fileName(), withChanges)) |
---|
1113 | { |
---|
1114 | return false; |
---|
1115 | } |
---|
1116 | |
---|
1117 | // Copy from temporary file to actual file... |
---|
1118 | QFile file(filePath); |
---|
1119 | |
---|
1120 | if(!temporaryFile.open()) |
---|
1121 | { |
---|
1122 | return false; |
---|
1123 | } |
---|
1124 | |
---|
1125 | if(!file.open(QIODevice::WriteOnly | QIODevice::Truncate)) |
---|
1126 | { |
---|
1127 | return false; |
---|
1128 | } |
---|
1129 | |
---|
1130 | if(!copyFile(temporaryFile, file)) |
---|
1131 | { |
---|
1132 | return false; |
---|
1133 | } |
---|
1134 | |
---|
1135 | if(withChanges) |
---|
1136 | { |
---|
1137 | m_wasModified = false; |
---|
1138 | } |
---|
1139 | |
---|
1140 | return true; |
---|
1141 | } |
---|
1142 | |
---|
1143 | bool DocumentView::print(QPrinter* printer, const PrintOptions& printOptions) |
---|
1144 | { |
---|
1145 | const int fromPage = printer->fromPage() != 0 ? printer->fromPage() : 1; |
---|
1146 | const int toPage = printer->toPage() != 0 ? printer->toPage() : m_pages.count(); |
---|
1147 | |
---|
1148 | #ifdef WITH_CUPS |
---|
1149 | |
---|
1150 | if(m_document->canBePrintedUsingCUPS()) |
---|
1151 | { |
---|
1152 | return printUsingCUPS(printer, printOptions, fromPage, toPage); |
---|
1153 | } |
---|
1154 | |
---|
1155 | #endif // WITH_CUPS |
---|
1156 | |
---|
1157 | return printUsingQt(printer, printOptions, fromPage, toPage); |
---|
1158 | } |
---|
1159 | |
---|
1160 | void DocumentView::previousPage() |
---|
1161 | { |
---|
1162 | jumpToPage(m_layout->previousPage(m_currentPage)); |
---|
1163 | } |
---|
1164 | |
---|
1165 | void DocumentView::nextPage() |
---|
1166 | { |
---|
1167 | jumpToPage(m_layout->nextPage(m_currentPage, m_pages.count())); |
---|
1168 | } |
---|
1169 | |
---|
1170 | void DocumentView::firstPage() |
---|
1171 | { |
---|
1172 | jumpToPage(1); |
---|
1173 | } |
---|
1174 | |
---|
1175 | void DocumentView::lastPage() |
---|
1176 | { |
---|
1177 | jumpToPage(m_pages.count()); |
---|
1178 | } |
---|
1179 | |
---|
1180 | void DocumentView::jumpToPage(int page, bool trackChange, qreal newLeft, qreal newTop) |
---|
1181 | { |
---|
1182 | if(page >= 1 && page <= m_pages.count()) |
---|
1183 | { |
---|
1184 | qreal left = 0.0, top = 0.0; |
---|
1185 | saveLeftAndTop(left, top); |
---|
1186 | |
---|
1187 | if(qIsNaN(newLeft)) |
---|
1188 | { |
---|
1189 | newLeft = qBound(qreal(0.0), left, qreal(1.0)); |
---|
1190 | } |
---|
1191 | |
---|
1192 | if(qIsNaN(newTop)) |
---|
1193 | { |
---|
1194 | newTop = qBound(qreal(0.0), top, qreal(1.0)); |
---|
1195 | } |
---|
1196 | |
---|
1197 | if(m_currentPage != m_layout->currentPage(page) || qAbs(left - newLeft) > 0.01 || qAbs(top - newTop) > 0.01) |
---|
1198 | { |
---|
1199 | if(trackChange) |
---|
1200 | { |
---|
1201 | m_past.append(Position(m_currentPage, left, top)); |
---|
1202 | m_future.clear(); |
---|
1203 | |
---|
1204 | emit canJumpChanged(true, false); |
---|
1205 | } |
---|
1206 | |
---|
1207 | m_currentPage = m_layout->currentPage(page); |
---|
1208 | |
---|
1209 | prepareView(newLeft, newTop, false, page); |
---|
1210 | |
---|
1211 | emit currentPageChanged(m_currentPage, trackChange); |
---|
1212 | } |
---|
1213 | } |
---|
1214 | } |
---|
1215 | |
---|
1216 | bool DocumentView::canJumpBackward() const |
---|
1217 | { |
---|
1218 | return !m_past.isEmpty(); |
---|
1219 | } |
---|
1220 | |
---|
1221 | void DocumentView::jumpBackward() |
---|
1222 | { |
---|
1223 | if(!m_past.isEmpty()) |
---|
1224 | { |
---|
1225 | qreal left = 0.0, top = 0.0; |
---|
1226 | saveLeftAndTop(left, top); |
---|
1227 | |
---|
1228 | m_future.prepend(Position(m_currentPage, left, top)); |
---|
1229 | |
---|
1230 | const Position pos = m_past.takeLast(); |
---|
1231 | jumpToPage(pos.page, false, pos.left, pos.top); |
---|
1232 | |
---|
1233 | emit canJumpChanged(!m_past.isEmpty(), !m_future.isEmpty()); |
---|
1234 | } |
---|
1235 | } |
---|
1236 | |
---|
1237 | bool DocumentView::canJumpForward() const |
---|
1238 | { |
---|
1239 | return !m_future.isEmpty(); |
---|
1240 | } |
---|
1241 | |
---|
1242 | void DocumentView::jumpForward() |
---|
1243 | { |
---|
1244 | if(!m_future.isEmpty()) |
---|
1245 | { |
---|
1246 | qreal left = 0.0, top = 0.0; |
---|
1247 | saveLeftAndTop(left, top); |
---|
1248 | |
---|
1249 | m_past.append(Position(m_currentPage, left, top)); |
---|
1250 | |
---|
1251 | const Position pos = m_future.takeFirst(); |
---|
1252 | jumpToPage(pos.page, false, pos.left, pos.top); |
---|
1253 | |
---|
1254 | emit canJumpChanged(!m_past.isEmpty(), !m_future.isEmpty()); |
---|
1255 | } |
---|
1256 | } |
---|
1257 | |
---|
1258 | void DocumentView::temporaryHighlight(int page, const QRectF& highlight) |
---|
1259 | { |
---|
1260 | if(page >= 1 && page <= m_pages.count() && !highlight.isNull()) |
---|
1261 | { |
---|
1262 | prepareHighlight(page - 1, highlight); |
---|
1263 | |
---|
1264 | QTimer::singleShot(s_settings->documentView().highlightDuration(), this, SLOT(on_temporaryHighlight_timeout())); |
---|
1265 | } |
---|
1266 | } |
---|
1267 | |
---|
1268 | void DocumentView::startSearch(const QString& text, bool matchCase, bool wholeWords) |
---|
1269 | { |
---|
1270 | cancelSearch(); |
---|
1271 | clearResults(); |
---|
1272 | |
---|
1273 | m_searchTask->start(m_pages, text, matchCase, wholeWords, m_currentPage); |
---|
1274 | } |
---|
1275 | |
---|
1276 | void DocumentView::cancelSearch() |
---|
1277 | { |
---|
1278 | m_searchTask->cancel(); |
---|
1279 | m_searchTask->wait(); |
---|
1280 | } |
---|
1281 | |
---|
1282 | void DocumentView::clearResults() |
---|
1283 | { |
---|
1284 | s_searchModel->clearResults(this); |
---|
1285 | |
---|
1286 | m_currentResult = QModelIndex(); |
---|
1287 | |
---|
1288 | m_highlight->setVisible(false); |
---|
1289 | |
---|
1290 | foreach(PageItem* page, m_pageItems) |
---|
1291 | { |
---|
1292 | page->setHighlights(QList< QRectF >()); |
---|
1293 | } |
---|
1294 | |
---|
1295 | foreach(ThumbnailItem* page, m_thumbnailItems) |
---|
1296 | { |
---|
1297 | page->setHighlights(QList< QRectF >()); |
---|
1298 | } |
---|
1299 | |
---|
1300 | if(s_settings->documentView().limitThumbnailsToResults()) |
---|
1301 | { |
---|
1302 | prepareThumbnailsScene(); |
---|
1303 | } |
---|
1304 | } |
---|
1305 | |
---|
1306 | void DocumentView::findPrevious() |
---|
1307 | { |
---|
1308 | checkResult(); |
---|
1309 | |
---|
1310 | m_currentResult = s_searchModel->findResult(this, m_currentResult, m_currentPage, SearchModel::FindPrevious); |
---|
1311 | |
---|
1312 | applyResult(); |
---|
1313 | } |
---|
1314 | |
---|
1315 | void DocumentView::findNext() |
---|
1316 | { |
---|
1317 | checkResult(); |
---|
1318 | |
---|
1319 | m_currentResult = s_searchModel->findResult(this, m_currentResult, m_currentPage, SearchModel::FindNext); |
---|
1320 | |
---|
1321 | applyResult(); |
---|
1322 | } |
---|
1323 | |
---|
1324 | void DocumentView::findResult(const QModelIndex& index) |
---|
1325 | { |
---|
1326 | const int page = pageOfResult(index); |
---|
1327 | const QRectF rect = rectOfResult(index); |
---|
1328 | |
---|
1329 | if(page >= 1 && page <= m_pages.count() && !rect.isEmpty()) |
---|
1330 | { |
---|
1331 | m_currentResult = index; |
---|
1332 | |
---|
1333 | applyResult(); |
---|
1334 | } |
---|
1335 | } |
---|
1336 | |
---|
1337 | void DocumentView::zoomIn() |
---|
1338 | { |
---|
1339 | if(scaleMode() != ScaleFactorMode) |
---|
1340 | { |
---|
1341 | const qreal currentScaleFactor = m_pageItems.at(m_currentPage - 1)->renderParam().scaleFactor(); |
---|
1342 | |
---|
1343 | setScaleFactor(qMin(currentScaleFactor * s_settings->documentView().zoomFactor(), |
---|
1344 | s_settings->documentView().maximumScaleFactor())); |
---|
1345 | |
---|
1346 | setScaleMode(ScaleFactorMode); |
---|
1347 | } |
---|
1348 | else |
---|
1349 | { |
---|
1350 | setScaleFactor(qMin(m_scaleFactor * s_settings->documentView().zoomFactor(), |
---|
1351 | s_settings->documentView().maximumScaleFactor())); |
---|
1352 | } |
---|
1353 | } |
---|
1354 | |
---|
1355 | void DocumentView::zoomOut() |
---|
1356 | { |
---|
1357 | if(scaleMode() != ScaleFactorMode) |
---|
1358 | { |
---|
1359 | const qreal currentScaleFactor = m_pageItems.at(m_currentPage - 1)->renderParam().scaleFactor(); |
---|
1360 | |
---|
1361 | setScaleFactor(qMax(currentScaleFactor / s_settings->documentView().zoomFactor(), |
---|
1362 | s_settings->documentView().minimumScaleFactor())); |
---|
1363 | |
---|
1364 | setScaleMode(ScaleFactorMode); |
---|
1365 | } |
---|
1366 | else |
---|
1367 | { |
---|
1368 | setScaleFactor(qMax(m_scaleFactor / s_settings->documentView().zoomFactor(), |
---|
1369 | s_settings->documentView().minimumScaleFactor())); |
---|
1370 | } |
---|
1371 | } |
---|
1372 | |
---|
1373 | void DocumentView::originalSize() |
---|
1374 | { |
---|
1375 | setScaleFactor(1.0); |
---|
1376 | setScaleMode(ScaleFactorMode); |
---|
1377 | } |
---|
1378 | |
---|
1379 | void DocumentView::rotateLeft() |
---|
1380 | { |
---|
1381 | switch(m_rotation) |
---|
1382 | { |
---|
1383 | default: |
---|
1384 | case RotateBy0: |
---|
1385 | setRotation(RotateBy270); |
---|
1386 | break; |
---|
1387 | case RotateBy90: |
---|
1388 | setRotation(RotateBy0); |
---|
1389 | break; |
---|
1390 | case RotateBy180: |
---|
1391 | setRotation(RotateBy90); |
---|
1392 | break; |
---|
1393 | case RotateBy270: |
---|
1394 | setRotation(RotateBy180); |
---|
1395 | break; |
---|
1396 | } |
---|
1397 | } |
---|
1398 | |
---|
1399 | void DocumentView::rotateRight() |
---|
1400 | { |
---|
1401 | switch(m_rotation) |
---|
1402 | { |
---|
1403 | default: |
---|
1404 | case RotateBy0: |
---|
1405 | setRotation(RotateBy90); |
---|
1406 | break; |
---|
1407 | case RotateBy90: |
---|
1408 | setRotation(RotateBy180); |
---|
1409 | break; |
---|
1410 | case RotateBy180: |
---|
1411 | setRotation(RotateBy270); |
---|
1412 | break; |
---|
1413 | case RotateBy270: |
---|
1414 | setRotation(RotateBy0); |
---|
1415 | break; |
---|
1416 | } |
---|
1417 | } |
---|
1418 | |
---|
1419 | void DocumentView::startPresentation() |
---|
1420 | { |
---|
1421 | const int screen = s_settings->presentationView().screen(); |
---|
1422 | |
---|
1423 | PresentationView* presentationView = new PresentationView(m_pages); |
---|
1424 | |
---|
1425 | presentationView->setGeometry(QApplication::desktop()->screenGeometry(screen)); |
---|
1426 | |
---|
1427 | presentationView->show(); |
---|
1428 | presentationView->setAttribute(Qt::WA_DeleteOnClose); |
---|
1429 | |
---|
1430 | connect(this, SIGNAL(destroyed()), presentationView, SLOT(close())); |
---|
1431 | connect(this, SIGNAL(documentChanged()), presentationView, SLOT(close())); |
---|
1432 | |
---|
1433 | presentationView->setRotation(rotation()); |
---|
1434 | presentationView->setRenderFlags(renderFlags()); |
---|
1435 | |
---|
1436 | presentationView->jumpToPage(currentPage(), false); |
---|
1437 | |
---|
1438 | if(s_settings->presentationView().synchronize()) |
---|
1439 | { |
---|
1440 | connect(this, SIGNAL(currentPageChanged(int,bool)), presentationView, SLOT(jumpToPage(int,bool))); |
---|
1441 | connect(presentationView, SIGNAL(currentPageChanged(int,bool)), this, SLOT(jumpToPage(int,bool))); |
---|
1442 | } |
---|
1443 | } |
---|
1444 | |
---|
1445 | void DocumentView::on_verticalScrollBar_valueChanged() |
---|
1446 | { |
---|
1447 | if(!m_continuousMode) |
---|
1448 | { |
---|
1449 | return; |
---|
1450 | } |
---|
1451 | |
---|
1452 | int currentPage = -1; |
---|
1453 | const QRectF visibleRect = mapToScene(viewport()->rect()).boundingRect(); |
---|
1454 | |
---|
1455 | for(int index = 0, count = m_pageItems.count(); index < count; ++index) |
---|
1456 | { |
---|
1457 | PageItem* page = m_pageItems.at((m_currentPage - 1 + index) % count); |
---|
1458 | |
---|
1459 | const int pageNumber = page->index() + 1; |
---|
1460 | const QRectF pageRect = page->boundingRect().translated(page->pos()); |
---|
1461 | |
---|
1462 | if(!pageRect.intersects(visibleRect)) |
---|
1463 | { |
---|
1464 | page->cancelRender(); |
---|
1465 | } |
---|
1466 | else if(currentPage == -1 && |
---|
1467 | m_layout->currentPage(pageNumber) == pageNumber && |
---|
1468 | m_layout->isCurrentPage(visibleRect, pageRect)) |
---|
1469 | { |
---|
1470 | currentPage = pageNumber; |
---|
1471 | } |
---|
1472 | } |
---|
1473 | |
---|
1474 | if(currentPage != -1 && m_currentPage != currentPage) |
---|
1475 | { |
---|
1476 | m_currentPage = currentPage; |
---|
1477 | |
---|
1478 | emit currentPageChanged(m_currentPage); |
---|
1479 | |
---|
1480 | if(s_settings->documentView().highlightCurrentThumbnail()) |
---|
1481 | { |
---|
1482 | for(int index = 0; index < m_thumbnailItems.count(); ++index) |
---|
1483 | { |
---|
1484 | m_thumbnailItems.at(index)->setHighlighted(index == m_currentPage - 1); |
---|
1485 | } |
---|
1486 | } |
---|
1487 | } |
---|
1488 | } |
---|
1489 | |
---|
1490 | void DocumentView::on_autoRefresh_timeout() |
---|
1491 | { |
---|
1492 | if(m_fileInfo.exists()) |
---|
1493 | { |
---|
1494 | refresh(); |
---|
1495 | } |
---|
1496 | else |
---|
1497 | { |
---|
1498 | m_wasModified = true; |
---|
1499 | |
---|
1500 | emit documentModified(); |
---|
1501 | } |
---|
1502 | } |
---|
1503 | |
---|
1504 | void DocumentView::on_prefetch_timeout() |
---|
1505 | { |
---|
1506 | const QPair< int, int > prefetchRange = m_layout->prefetchRange(m_currentPage, m_pages.count()); |
---|
1507 | |
---|
1508 | const int maxCost = prefetchRange.second - prefetchRange.first + 1; |
---|
1509 | int cost = 0; |
---|
1510 | |
---|
1511 | for(int index = m_currentPage - 1; index <= prefetchRange.second - 1; ++index) |
---|
1512 | { |
---|
1513 | cost += m_pageItems.at(index)->startRender(true); |
---|
1514 | |
---|
1515 | if(cost >= maxCost) |
---|
1516 | { |
---|
1517 | return; |
---|
1518 | } |
---|
1519 | } |
---|
1520 | |
---|
1521 | for(int index = m_currentPage - 1; index >= prefetchRange.first - 1; --index) |
---|
1522 | { |
---|
1523 | cost += m_pageItems.at(index)->startRender(true); |
---|
1524 | |
---|
1525 | if(cost >= maxCost) |
---|
1526 | { |
---|
1527 | return; |
---|
1528 | } |
---|
1529 | } |
---|
1530 | } |
---|
1531 | |
---|
1532 | void DocumentView::on_temporaryHighlight_timeout() |
---|
1533 | { |
---|
1534 | m_highlight->setVisible(false); |
---|
1535 | } |
---|
1536 | |
---|
1537 | void DocumentView::on_searchTask_progressChanged(int progress) |
---|
1538 | { |
---|
1539 | s_searchModel->updateProgress(this); |
---|
1540 | |
---|
1541 | emit searchProgressChanged(progress); |
---|
1542 | } |
---|
1543 | |
---|
1544 | void DocumentView::on_searchTask_resultsReady(int index, const QList< QRectF >& results) |
---|
1545 | { |
---|
1546 | if(m_searchTask->wasCanceled()) |
---|
1547 | { |
---|
1548 | return; |
---|
1549 | } |
---|
1550 | |
---|
1551 | s_searchModel->insertResults(this, index + 1, results); |
---|
1552 | |
---|
1553 | if(m_highlightAll) |
---|
1554 | { |
---|
1555 | m_pageItems.at(index)->setHighlights(results); |
---|
1556 | m_thumbnailItems.at(index)->setHighlights(results); |
---|
1557 | } |
---|
1558 | |
---|
1559 | if(s_settings->documentView().limitThumbnailsToResults()) |
---|
1560 | { |
---|
1561 | prepareThumbnailsScene(); |
---|
1562 | } |
---|
1563 | |
---|
1564 | if(!results.isEmpty() && !m_currentResult.isValid()) |
---|
1565 | { |
---|
1566 | setFocus(); |
---|
1567 | |
---|
1568 | findNext(); |
---|
1569 | } |
---|
1570 | } |
---|
1571 | |
---|
1572 | void DocumentView::on_pages_cropRectChanged() |
---|
1573 | { |
---|
1574 | qreal left = 0.0, top = 0.0; |
---|
1575 | saveLeftAndTop(left, top); |
---|
1576 | |
---|
1577 | prepareScene(); |
---|
1578 | prepareView(left, top); |
---|
1579 | } |
---|
1580 | |
---|
1581 | void DocumentView::on_thumbnails_cropRectChanged() |
---|
1582 | { |
---|
1583 | prepareThumbnailsScene(); |
---|
1584 | } |
---|
1585 | |
---|
1586 | void DocumentView::on_pages_linkClicked(bool newTab, int page, qreal left, qreal top) |
---|
1587 | { |
---|
1588 | if(newTab) |
---|
1589 | { |
---|
1590 | emit linkClicked(page); |
---|
1591 | } |
---|
1592 | else |
---|
1593 | { |
---|
1594 | jumpToPage(page, true, left, top); |
---|
1595 | } |
---|
1596 | } |
---|
1597 | |
---|
1598 | void DocumentView::on_pages_linkClicked(bool newTab, const QString& fileName, int page) |
---|
1599 | { |
---|
1600 | const QString filePath = QFileInfo(fileName).isAbsolute() ? fileName : m_fileInfo.dir().filePath(fileName); |
---|
1601 | |
---|
1602 | emit linkClicked(newTab, filePath, page); |
---|
1603 | } |
---|
1604 | |
---|
1605 | void DocumentView::on_pages_linkClicked(const QString& url) |
---|
1606 | { |
---|
1607 | if(s_settings->documentView().openUrl()) |
---|
1608 | { |
---|
1609 | QUrl resolvedUrl(url); |
---|
1610 | |
---|
1611 | if(resolvedUrl.isRelative() && QFileInfo(url).isRelative()) |
---|
1612 | { |
---|
1613 | resolvedUrl.setPath(m_fileInfo.dir().filePath(url)); |
---|
1614 | } |
---|
1615 | |
---|
1616 | QDesktopServices::openUrl(resolvedUrl); |
---|
1617 | } |
---|
1618 | else |
---|
1619 | { |
---|
1620 | QMessageBox::information(this, tr("Information"), tr("Opening URL is disabled in the settings.")); |
---|
1621 | } |
---|
1622 | } |
---|
1623 | |
---|
1624 | void DocumentView::on_pages_rubberBandFinished() |
---|
1625 | { |
---|
1626 | setRubberBandMode(ModifiersMode); |
---|
1627 | } |
---|
1628 | |
---|
1629 | void DocumentView::on_pages_zoomToSelection(int page, const QRectF& rect) |
---|
1630 | { |
---|
1631 | if(rect.isEmpty()) |
---|
1632 | { |
---|
1633 | return; |
---|
1634 | } |
---|
1635 | |
---|
1636 | const qreal visibleWidth = m_layout->visibleWidth(viewport()->width()); |
---|
1637 | const qreal visibleHeight = m_layout->visibleHeight(viewport()->height()); |
---|
1638 | |
---|
1639 | const QSizeF displayedSize = m_pageItems.at(page - 1)->displayedSize(); |
---|
1640 | |
---|
1641 | setScaleFactor(qMin(qMin(visibleWidth / displayedSize.width() / rect.width(), |
---|
1642 | visibleHeight / displayedSize.height() / rect.height()), |
---|
1643 | Defaults::DocumentView::maximumScaleFactor())); |
---|
1644 | |
---|
1645 | setScaleMode(ScaleFactorMode); |
---|
1646 | |
---|
1647 | jumpToPage(page, false, rect.left(), rect.top()); |
---|
1648 | } |
---|
1649 | |
---|
1650 | void DocumentView::on_pages_wasModified() |
---|
1651 | { |
---|
1652 | m_wasModified = true; |
---|
1653 | |
---|
1654 | emit documentModified(); |
---|
1655 | } |
---|
1656 | |
---|
1657 | void DocumentView::resizeEvent(QResizeEvent* event) |
---|
1658 | { |
---|
1659 | qreal left = 0.0, top = 0.0; |
---|
1660 | saveLeftAndTop(left, top); |
---|
1661 | |
---|
1662 | QGraphicsView::resizeEvent(event); |
---|
1663 | |
---|
1664 | if(m_scaleMode != ScaleFactorMode) |
---|
1665 | { |
---|
1666 | prepareScene(); |
---|
1667 | prepareView(left, top); |
---|
1668 | } |
---|
1669 | } |
---|
1670 | |
---|
1671 | void DocumentView::keyPressEvent(QKeyEvent* event) |
---|
1672 | { |
---|
1673 | foreach(const PageItem* page, m_pageItems) |
---|
1674 | { |
---|
1675 | if(page->showsAnnotationOverlay() || page->showsFormFieldOverlay()) |
---|
1676 | { |
---|
1677 | QGraphicsView::keyPressEvent(event); |
---|
1678 | return; |
---|
1679 | } |
---|
1680 | } |
---|
1681 | |
---|
1682 | const QKeySequence keySequence(event->modifiers() + event->key()); |
---|
1683 | |
---|
1684 | int maskedKey = -1; |
---|
1685 | |
---|
1686 | if(s_shortcutHandler->matchesSkipBackward(keySequence)) |
---|
1687 | { |
---|
1688 | maskedKey = Qt::Key_PageUp; |
---|
1689 | } |
---|
1690 | else if(s_shortcutHandler->matchesSkipForward(keySequence)) |
---|
1691 | { |
---|
1692 | maskedKey = Qt::Key_PageDown; |
---|
1693 | } |
---|
1694 | else if(s_shortcutHandler->matchesMoveUp(keySequence)) |
---|
1695 | { |
---|
1696 | maskedKey = Qt::Key_Up; |
---|
1697 | } |
---|
1698 | else if(s_shortcutHandler->matchesMoveDown(keySequence)) |
---|
1699 | { |
---|
1700 | maskedKey = Qt::Key_Down; |
---|
1701 | } |
---|
1702 | else if(s_shortcutHandler->matchesMoveLeft(keySequence)) |
---|
1703 | { |
---|
1704 | maskedKey = Qt::Key_Left; |
---|
1705 | } |
---|
1706 | else if(s_shortcutHandler->matchesMoveRight(keySequence)) |
---|
1707 | { |
---|
1708 | maskedKey = Qt::Key_Right; |
---|
1709 | } |
---|
1710 | else if(event->key() == Qt::Key_PageUp || event->key() == Qt::Key_PageDown || |
---|
1711 | event->key() == Qt::Key_Up || event->key() == Qt::Key_Down || |
---|
1712 | event->key() == Qt::Key_Left || event->key() == Qt::Key_Right) |
---|
1713 | { |
---|
1714 | event->ignore(); |
---|
1715 | return; |
---|
1716 | } |
---|
1717 | |
---|
1718 | if(maskedKey == -1) |
---|
1719 | { |
---|
1720 | QGraphicsView::keyPressEvent(event); |
---|
1721 | } |
---|
1722 | else |
---|
1723 | { |
---|
1724 | if(!m_continuousMode) |
---|
1725 | { |
---|
1726 | if(maskedKey == Qt::Key_PageUp && verticalScrollBar()->value() == verticalScrollBar()->minimum() && m_currentPage != 1) |
---|
1727 | { |
---|
1728 | previousPage(); |
---|
1729 | |
---|
1730 | verticalScrollBar()->setValue(verticalScrollBar()->maximum()); |
---|
1731 | |
---|
1732 | event->accept(); |
---|
1733 | return; |
---|
1734 | } |
---|
1735 | else if(maskedKey == Qt::Key_PageDown && verticalScrollBar()->value() == verticalScrollBar()->maximum() && m_currentPage != m_layout->currentPage(m_pages.count())) |
---|
1736 | { |
---|
1737 | nextPage(); |
---|
1738 | |
---|
1739 | verticalScrollBar()->setValue(verticalScrollBar()->minimum()); |
---|
1740 | |
---|
1741 | event->accept(); |
---|
1742 | return; |
---|
1743 | } |
---|
1744 | } |
---|
1745 | |
---|
1746 | if((maskedKey == Qt::Key_Up && verticalScrollBar()->minimum() == verticalScrollBar()->maximum()) || |
---|
1747 | (maskedKey == Qt::Key_Left && !horizontalScrollBar()->isVisible())) |
---|
1748 | { |
---|
1749 | previousPage(); |
---|
1750 | |
---|
1751 | event->accept(); |
---|
1752 | return; |
---|
1753 | } |
---|
1754 | else if((maskedKey == Qt::Key_Down && verticalScrollBar()->minimum() == verticalScrollBar()->maximum()) || |
---|
1755 | (maskedKey == Qt::Key_Right && !horizontalScrollBar()->isVisible())) |
---|
1756 | { |
---|
1757 | nextPage(); |
---|
1758 | |
---|
1759 | event->accept(); |
---|
1760 | return; |
---|
1761 | } |
---|
1762 | |
---|
1763 | QKeyEvent keyEvent(event->type(), maskedKey, Qt::NoModifier, event->text(), event->isAutoRepeat(), event->count()); |
---|
1764 | QGraphicsView::keyPressEvent(&keyEvent); |
---|
1765 | } |
---|
1766 | } |
---|
1767 | |
---|
1768 | void DocumentView::mousePressEvent(QMouseEvent* event) |
---|
1769 | { |
---|
1770 | if(event->button() == Qt::XButton1) |
---|
1771 | { |
---|
1772 | event->accept(); |
---|
1773 | |
---|
1774 | jumpBackward(); |
---|
1775 | } |
---|
1776 | else if(event->button() == Qt::XButton2) |
---|
1777 | { |
---|
1778 | event->accept(); |
---|
1779 | |
---|
1780 | jumpForward(); |
---|
1781 | } |
---|
1782 | |
---|
1783 | QGraphicsView::mousePressEvent(event); |
---|
1784 | } |
---|
1785 | |
---|
1786 | void DocumentView::wheelEvent(QWheelEvent* event) |
---|
1787 | { |
---|
1788 | const Qt::KeyboardModifiers zoomModifiers = s_settings->documentView().zoomModifiers(); |
---|
1789 | const Qt::KeyboardModifiers rotateModifiers = s_settings->documentView().rotateModifiers(); |
---|
1790 | const Qt::KeyboardModifiers scrollModifiers = s_settings->documentView().scrollModifiers(); |
---|
1791 | |
---|
1792 | if(event->modifiers() == zoomModifiers || event->buttons() == zoomModifiers) |
---|
1793 | { |
---|
1794 | if(event->delta() > 0) |
---|
1795 | { |
---|
1796 | zoomIn(); |
---|
1797 | } |
---|
1798 | else |
---|
1799 | { |
---|
1800 | zoomOut(); |
---|
1801 | } |
---|
1802 | |
---|
1803 | event->accept(); |
---|
1804 | return; |
---|
1805 | } |
---|
1806 | else if(event->modifiers() == rotateModifiers || event->buttons() == rotateModifiers) |
---|
1807 | { |
---|
1808 | if(event->delta() > 0) |
---|
1809 | { |
---|
1810 | rotateLeft(); |
---|
1811 | } |
---|
1812 | else |
---|
1813 | { |
---|
1814 | rotateRight(); |
---|
1815 | } |
---|
1816 | |
---|
1817 | event->accept(); |
---|
1818 | return; |
---|
1819 | } |
---|
1820 | else if(event->modifiers() == scrollModifiers || event->buttons() == scrollModifiers) |
---|
1821 | { |
---|
1822 | QWheelEvent wheelEvent(event->pos(), event->delta(), event->buttons(), Qt::AltModifier, Qt::Horizontal); |
---|
1823 | QGraphicsView::wheelEvent(&wheelEvent); |
---|
1824 | |
---|
1825 | event->accept(); |
---|
1826 | return; |
---|
1827 | } |
---|
1828 | else if(event->modifiers() == Qt::NoModifier && !m_continuousMode) |
---|
1829 | { |
---|
1830 | if(event->delta() > 0 && verticalScrollBar()->value() == verticalScrollBar()->minimum() && m_currentPage != 1) |
---|
1831 | { |
---|
1832 | previousPage(); |
---|
1833 | |
---|
1834 | verticalScrollBar()->setValue(verticalScrollBar()->maximum()); |
---|
1835 | |
---|
1836 | event->accept(); |
---|
1837 | return; |
---|
1838 | } |
---|
1839 | else if(event->delta() < 0 && verticalScrollBar()->value() == verticalScrollBar()->maximum() && m_currentPage != m_layout->currentPage(m_pages.count())) |
---|
1840 | { |
---|
1841 | nextPage(); |
---|
1842 | |
---|
1843 | verticalScrollBar()->setValue(verticalScrollBar()->minimum()); |
---|
1844 | |
---|
1845 | event->accept(); |
---|
1846 | return; |
---|
1847 | } |
---|
1848 | } |
---|
1849 | |
---|
1850 | QGraphicsView::wheelEvent(event); |
---|
1851 | } |
---|
1852 | |
---|
1853 | void DocumentView::contextMenuEvent(QContextMenuEvent* event) |
---|
1854 | { |
---|
1855 | if(event->reason() == QContextMenuEvent::Mouse && modifiersUseMouseButton(s_settings, Qt::RightButton)) |
---|
1856 | { |
---|
1857 | event->accept(); |
---|
1858 | return; |
---|
1859 | } |
---|
1860 | |
---|
1861 | event->setAccepted(false); |
---|
1862 | |
---|
1863 | QGraphicsView::contextMenuEvent(event); |
---|
1864 | |
---|
1865 | if(!event->isAccepted()) |
---|
1866 | { |
---|
1867 | event->setAccepted(true); |
---|
1868 | |
---|
1869 | emit customContextMenuRequested(event->pos()); |
---|
1870 | } |
---|
1871 | } |
---|
1872 | |
---|
1873 | #ifdef WITH_CUPS |
---|
1874 | |
---|
1875 | bool DocumentView::printUsingCUPS(QPrinter* printer, const PrintOptions& printOptions, int fromPage, int toPage) |
---|
1876 | { |
---|
1877 | int num_dests = 0; |
---|
1878 | cups_dest_t* dests = 0; |
---|
1879 | |
---|
1880 | int num_options = 0; |
---|
1881 | cups_option_t* options = 0; |
---|
1882 | |
---|
1883 | cups_dest_t* dest = 0; |
---|
1884 | int jobId = 0; |
---|
1885 | |
---|
1886 | num_dests = cupsGetDests(&dests); |
---|
1887 | dest = cupsGetDest(printer->printerName().toLocal8Bit(), 0, num_dests, dests); |
---|
1888 | |
---|
1889 | if(dest == 0) |
---|
1890 | { |
---|
1891 | qWarning() << cupsLastErrorString(); |
---|
1892 | |
---|
1893 | cupsFreeDests(num_dests, dests); |
---|
1894 | |
---|
1895 | return false; |
---|
1896 | } |
---|
1897 | |
---|
1898 | for(int index = 0; index < dest->num_options; ++index) |
---|
1899 | { |
---|
1900 | num_options = cupsAddOption(dest->options[index].name, dest->options[index].value, num_options, &options); |
---|
1901 | } |
---|
1902 | |
---|
1903 | const QStringList cupsOptions = printer->printEngine()->property(QPrintEngine::PrintEnginePropertyKey(0xfe00)).toStringList(); |
---|
1904 | |
---|
1905 | for(int index = 0; index < cupsOptions.count() - 1; index += 2) |
---|
1906 | { |
---|
1907 | num_options = cupsAddOption(cupsOptions.at(index).toLocal8Bit(), cupsOptions.at(index + 1).toLocal8Bit(), num_options, &options); |
---|
1908 | } |
---|
1909 | |
---|
1910 | #if QT_VERSION >= QT_VERSION_CHECK(4,7,0) |
---|
1911 | |
---|
1912 | num_options = cupsAddOption("copies", QString::number(printer->copyCount()).toLocal8Bit(), num_options, &options); |
---|
1913 | |
---|
1914 | #endif // QT_VERSION |
---|
1915 | |
---|
1916 | num_options = cupsAddOption("Collate", printer->collateCopies() ? "true" : "false", num_options, &options); |
---|
1917 | |
---|
1918 | switch(printer->pageOrder()) |
---|
1919 | { |
---|
1920 | case QPrinter::FirstPageFirst: |
---|
1921 | num_options = cupsAddOption("outputorder", "normal", num_options, &options); |
---|
1922 | break; |
---|
1923 | case QPrinter::LastPageFirst: |
---|
1924 | num_options = cupsAddOption("outputorder", "reverse", num_options, &options); |
---|
1925 | break; |
---|
1926 | } |
---|
1927 | |
---|
1928 | num_options = cupsAddOption("fit-to-page", printOptions.fitToPage ? "true" : "false", num_options, &options); |
---|
1929 | |
---|
1930 | switch(printer->orientation()) |
---|
1931 | { |
---|
1932 | case QPrinter::Portrait: |
---|
1933 | num_options = cupsAddOption("landscape", "false", num_options, &options); |
---|
1934 | break; |
---|
1935 | case QPrinter::Landscape: |
---|
1936 | num_options = cupsAddOption("landscape", "true", num_options, &options); |
---|
1937 | break; |
---|
1938 | } |
---|
1939 | |
---|
1940 | switch(printer->colorMode()) |
---|
1941 | { |
---|
1942 | case QPrinter::Color: |
---|
1943 | num_options = addCMYKorRGBColorModel(dest, num_options, &options); |
---|
1944 | break; |
---|
1945 | case QPrinter::GrayScale: |
---|
1946 | num_options = cupsAddOption("ColorModel", "Gray", num_options, &options); |
---|
1947 | break; |
---|
1948 | } |
---|
1949 | |
---|
1950 | switch(printer->duplex()) |
---|
1951 | { |
---|
1952 | case QPrinter::DuplexNone: |
---|
1953 | num_options = cupsAddOption("sides", "one-sided", num_options, &options); |
---|
1954 | break; |
---|
1955 | case QPrinter::DuplexAuto: |
---|
1956 | break; |
---|
1957 | case QPrinter::DuplexLongSide: |
---|
1958 | num_options = cupsAddOption("sides", "two-sided-long-edge", num_options, &options); |
---|
1959 | break; |
---|
1960 | case QPrinter::DuplexShortSide: |
---|
1961 | num_options = cupsAddOption("sides", "two-sided-short-edge", num_options, &options); |
---|
1962 | break; |
---|
1963 | } |
---|
1964 | |
---|
1965 | int numberUp = 1; |
---|
1966 | |
---|
1967 | #if QT_VERSION < QT_VERSION_CHECK(5,2,0) |
---|
1968 | |
---|
1969 | switch(printOptions.numberUp) |
---|
1970 | { |
---|
1971 | case PrintOptions::SinglePage: |
---|
1972 | num_options = cupsAddOption("number-up", "1", num_options, &options); |
---|
1973 | numberUp = 1; |
---|
1974 | break; |
---|
1975 | case PrintOptions::TwoPages: |
---|
1976 | num_options = cupsAddOption("number-up", "2", num_options, &options); |
---|
1977 | numberUp = 2; |
---|
1978 | break; |
---|
1979 | case PrintOptions::FourPages: |
---|
1980 | num_options = cupsAddOption("number-up", "4", num_options, &options); |
---|
1981 | numberUp = 4; |
---|
1982 | break; |
---|
1983 | case PrintOptions::SixPages: |
---|
1984 | num_options = cupsAddOption("number-up", "6", num_options, &options); |
---|
1985 | numberUp = 6; |
---|
1986 | break; |
---|
1987 | case PrintOptions::NinePages: |
---|
1988 | num_options = cupsAddOption("number-up", "9", num_options, &options); |
---|
1989 | numberUp = 9; |
---|
1990 | break; |
---|
1991 | case PrintOptions::SixteenPages: |
---|
1992 | num_options = cupsAddOption("number-up", "16", num_options, &options); |
---|
1993 | numberUp = 16; |
---|
1994 | break; |
---|
1995 | } |
---|
1996 | |
---|
1997 | switch(printOptions.numberUpLayout) |
---|
1998 | { |
---|
1999 | case PrintOptions::BottomTopLeftRight: |
---|
2000 | num_options = cupsAddOption("number-up-layout", "btlr", num_options, &options); |
---|
2001 | break; |
---|
2002 | case PrintOptions::BottomTopRightLeft: |
---|
2003 | num_options = cupsAddOption("number-up-layout", "btrl", num_options, &options); |
---|
2004 | break; |
---|
2005 | case PrintOptions::LeftRightBottomTop: |
---|
2006 | num_options = cupsAddOption("number-up-layout", "lrbt", num_options, &options); |
---|
2007 | break; |
---|
2008 | case PrintOptions::LeftRightTopBottom: |
---|
2009 | num_options = cupsAddOption("number-up-layout", "lrtb", num_options, &options); |
---|
2010 | break; |
---|
2011 | case PrintOptions::RightLeftBottomTop: |
---|
2012 | num_options = cupsAddOption("number-up-layout", "rlbt", num_options, &options); |
---|
2013 | break; |
---|
2014 | case PrintOptions::RightLeftTopBottom: |
---|
2015 | num_options = cupsAddOption("number-up-layout", "rltb", num_options, &options); |
---|
2016 | break; |
---|
2017 | case PrintOptions::TopBottomLeftRight: |
---|
2018 | num_options = cupsAddOption("number-up-layout", "tblr", num_options, &options); |
---|
2019 | break; |
---|
2020 | case PrintOptions::TopBottomRightLeft: |
---|
2021 | num_options = cupsAddOption("number-up-layout", "tbrl", num_options, &options); |
---|
2022 | break; |
---|
2023 | } |
---|
2024 | |
---|
2025 | switch(printOptions.pageSet) |
---|
2026 | { |
---|
2027 | case PrintOptions::AllPages: |
---|
2028 | break; |
---|
2029 | case PrintOptions::EvenPages: |
---|
2030 | num_options = cupsAddOption("page-set", "even", num_options, &options); |
---|
2031 | break; |
---|
2032 | case PrintOptions::OddPages: |
---|
2033 | num_options = cupsAddOption("page-set", "odd", num_options, &options); |
---|
2034 | break; |
---|
2035 | } |
---|
2036 | |
---|
2037 | #else |
---|
2038 | |
---|
2039 | { |
---|
2040 | bool ok = false; |
---|
2041 | int value = QString::fromLocal8Bit(cupsGetOption("number-up", num_options, options)).toInt(&ok); |
---|
2042 | |
---|
2043 | numberUp = ok ? value : 1; |
---|
2044 | } |
---|
2045 | |
---|
2046 | #endif // QT_VERSION |
---|
2047 | |
---|
2048 | fromPage = (fromPage - 1) / numberUp + 1; |
---|
2049 | toPage = (toPage - 1) / numberUp + 1; |
---|
2050 | |
---|
2051 | if(printOptions.pageRanges.isEmpty()) |
---|
2052 | { |
---|
2053 | num_options = cupsAddOption("page-ranges", QString("%1-%2").arg(fromPage).arg(toPage).toLocal8Bit(), num_options, &options); |
---|
2054 | } |
---|
2055 | else |
---|
2056 | { |
---|
2057 | num_options = cupsAddOption("page-ranges", printOptions.pageRanges.toLocal8Bit(), num_options, &options); |
---|
2058 | } |
---|
2059 | |
---|
2060 | QTemporaryFile temporaryFile; |
---|
2061 | |
---|
2062 | adjustFileTemplateSuffix(temporaryFile, m_fileInfo.suffix()); |
---|
2063 | |
---|
2064 | if(!temporaryFile.open()) |
---|
2065 | { |
---|
2066 | cupsFreeDests(num_dests, dests); |
---|
2067 | cupsFreeOptions(num_options, options); |
---|
2068 | |
---|
2069 | return false; |
---|
2070 | } |
---|
2071 | |
---|
2072 | temporaryFile.close(); |
---|
2073 | |
---|
2074 | if(!m_document->save(temporaryFile.fileName(), true)) |
---|
2075 | { |
---|
2076 | cupsFreeDests(num_dests, dests); |
---|
2077 | cupsFreeOptions(num_options, options); |
---|
2078 | |
---|
2079 | return false; |
---|
2080 | } |
---|
2081 | |
---|
2082 | jobId = cupsPrintFile(dest->name, temporaryFile.fileName().toLocal8Bit(), m_fileInfo.completeBaseName().toLocal8Bit(), num_options, options); |
---|
2083 | |
---|
2084 | if(jobId < 1) |
---|
2085 | { |
---|
2086 | qWarning() << cupsLastErrorString(); |
---|
2087 | } |
---|
2088 | |
---|
2089 | cupsFreeDests(num_dests, dests); |
---|
2090 | cupsFreeOptions(num_options, options); |
---|
2091 | |
---|
2092 | return jobId >= 1; |
---|
2093 | } |
---|
2094 | |
---|
2095 | #endif // WITH_CUPS |
---|
2096 | |
---|
2097 | bool DocumentView::printUsingQt(QPrinter* printer, const PrintOptions& printOptions, int fromPage, int toPage) |
---|
2098 | { |
---|
2099 | QScopedPointer< QProgressDialog > progressDialog(new QProgressDialog(this)); |
---|
2100 | progressDialog->setLabelText(tr("Printing '%1'...").arg(m_fileInfo.completeBaseName())); |
---|
2101 | progressDialog->setRange(fromPage - 1, toPage); |
---|
2102 | |
---|
2103 | QPainter painter; |
---|
2104 | |
---|
2105 | if(!painter.begin(printer)) |
---|
2106 | { |
---|
2107 | return false; |
---|
2108 | } |
---|
2109 | |
---|
2110 | for(int index = fromPage - 1; index <= toPage - 1; ++index) |
---|
2111 | { |
---|
2112 | progressDialog->setValue(index); |
---|
2113 | |
---|
2114 | QApplication::processEvents(); |
---|
2115 | |
---|
2116 | painter.save(); |
---|
2117 | |
---|
2118 | const Model::Page* page = m_pages.at(index); |
---|
2119 | |
---|
2120 | if(printOptions.fitToPage) |
---|
2121 | { |
---|
2122 | const qreal pageWidth = printer->physicalDpiX() / 72.0 * page->size().width(); |
---|
2123 | const qreal pageHeight = printer->physicalDpiY() / 72.0 * page->size().width(); |
---|
2124 | |
---|
2125 | const qreal scaleFactor = qMin(printer->width() / pageWidth, printer->height() / pageHeight); |
---|
2126 | |
---|
2127 | painter.setTransform(QTransform::fromScale(scaleFactor, scaleFactor)); |
---|
2128 | } |
---|
2129 | else |
---|
2130 | { |
---|
2131 | const qreal scaleFactorX = static_cast< qreal >(printer->logicalDpiX()) / static_cast< qreal >(printer->physicalDpiX()); |
---|
2132 | const qreal scaleFactorY = static_cast< qreal >(printer->logicalDpiY()) / static_cast< qreal >(printer->physicalDpiY()); |
---|
2133 | |
---|
2134 | painter.setTransform(QTransform::fromScale(scaleFactorX, scaleFactorY)); |
---|
2135 | } |
---|
2136 | |
---|
2137 | painter.drawImage(QPointF(), page->render(printer->physicalDpiX(), printer->physicalDpiY())); |
---|
2138 | |
---|
2139 | painter.restore(); |
---|
2140 | |
---|
2141 | if(index < toPage - 1) |
---|
2142 | { |
---|
2143 | printer->newPage(); |
---|
2144 | } |
---|
2145 | |
---|
2146 | QApplication::processEvents(); |
---|
2147 | |
---|
2148 | if(progressDialog->wasCanceled()) |
---|
2149 | { |
---|
2150 | printer->abort(); |
---|
2151 | |
---|
2152 | return false; |
---|
2153 | } |
---|
2154 | } |
---|
2155 | |
---|
2156 | return true; |
---|
2157 | } |
---|
2158 | |
---|
2159 | void DocumentView::saveLeftAndTop(qreal& left, qreal& top) const |
---|
2160 | { |
---|
2161 | const PageItem* page = m_pageItems.at(m_currentPage - 1); |
---|
2162 | const QRectF boundingRect = page->uncroppedBoundingRect().translated(page->pos()); |
---|
2163 | |
---|
2164 | const QPointF topLeft = mapToScene(viewport()->rect().topLeft()); |
---|
2165 | |
---|
2166 | left = (topLeft.x() - boundingRect.x()) / boundingRect.width(); |
---|
2167 | top = (topLeft.y() - boundingRect.y()) / boundingRect.height(); |
---|
2168 | } |
---|
2169 | |
---|
2170 | bool DocumentView::checkDocument(const QString& filePath, Model::Document* document, QVector< Model::Page* >& pages) |
---|
2171 | { |
---|
2172 | if(document->isLocked()) |
---|
2173 | { |
---|
2174 | QString password = QInputDialog::getText(this, tr("Unlock %1").arg(QFileInfo(filePath).completeBaseName()), tr("Password:"), QLineEdit::Password); |
---|
2175 | |
---|
2176 | if(document->unlock(password)) |
---|
2177 | { |
---|
2178 | return false; |
---|
2179 | } |
---|
2180 | } |
---|
2181 | |
---|
2182 | const int numberOfPages = document->numberOfPages(); |
---|
2183 | |
---|
2184 | if(numberOfPages == 0) |
---|
2185 | { |
---|
2186 | qWarning() << "No pages were found in document at" << filePath; |
---|
2187 | |
---|
2188 | return false; |
---|
2189 | } |
---|
2190 | |
---|
2191 | pages.reserve(numberOfPages); |
---|
2192 | |
---|
2193 | for(int index = 0; index < numberOfPages; ++index) |
---|
2194 | { |
---|
2195 | Model::Page* page = document->page(index); |
---|
2196 | |
---|
2197 | if(page == 0) |
---|
2198 | { |
---|
2199 | qWarning() << "No page" << index << "was found in document at" << filePath; |
---|
2200 | |
---|
2201 | return false; |
---|
2202 | } |
---|
2203 | |
---|
2204 | pages.append(page); |
---|
2205 | } |
---|
2206 | |
---|
2207 | return true; |
---|
2208 | } |
---|
2209 | |
---|
2210 | void DocumentView::loadFallbackOutline() |
---|
2211 | { |
---|
2212 | m_outlineModel->clear(); |
---|
2213 | |
---|
2214 | for(int page = 1; page <= m_pages.count(); ++page) |
---|
2215 | { |
---|
2216 | QStandardItem* item = new QStandardItem(tr("Page %1").arg(pageLabelFromNumber(page))); |
---|
2217 | item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable); |
---|
2218 | |
---|
2219 | item->setData(page, Model::Document::PageRole); |
---|
2220 | item->setData(qQNaN(), Model::Document::LeftRole); |
---|
2221 | item->setData(qQNaN(), Model::Document::TopRole); |
---|
2222 | |
---|
2223 | QStandardItem* pageItem = item->clone(); |
---|
2224 | pageItem->setText(QString::number(page)); |
---|
2225 | pageItem->setTextAlignment(Qt::AlignRight); |
---|
2226 | |
---|
2227 | m_outlineModel->appendRow(QList< QStandardItem* >() << item << pageItem); |
---|
2228 | } |
---|
2229 | |
---|
2230 | m_outlineModel->invisibleRootItem()->setData(true); // Flags this as a fallback outline. |
---|
2231 | } |
---|
2232 | |
---|
2233 | void DocumentView::loadDocumentDefaults() |
---|
2234 | { |
---|
2235 | if(m_document->wantsContinuousMode()) |
---|
2236 | { |
---|
2237 | m_continuousMode = true; |
---|
2238 | } |
---|
2239 | |
---|
2240 | if(m_document->wantsSinglePageMode()) |
---|
2241 | { |
---|
2242 | m_layout.reset(new SinglePageLayout); |
---|
2243 | } |
---|
2244 | else if(m_document->wantsTwoPagesMode()) |
---|
2245 | { |
---|
2246 | m_layout.reset(new TwoPagesLayout); |
---|
2247 | } |
---|
2248 | else if(m_document->wantsTwoPagesWithCoverPageMode()) |
---|
2249 | { |
---|
2250 | m_layout.reset(new TwoPagesWithCoverPageLayout); |
---|
2251 | } |
---|
2252 | |
---|
2253 | if(m_document->wantsRightToLeftMode()) |
---|
2254 | { |
---|
2255 | m_rightToLeftMode = true; |
---|
2256 | } |
---|
2257 | } |
---|
2258 | |
---|
2259 | void DocumentView::adjustScrollBarPolicy() |
---|
2260 | { |
---|
2261 | switch(m_scaleMode) |
---|
2262 | { |
---|
2263 | default: |
---|
2264 | case ScaleFactorMode: |
---|
2265 | setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded); |
---|
2266 | setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded); |
---|
2267 | break; |
---|
2268 | case FitToPageWidthMode: |
---|
2269 | setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); |
---|
2270 | setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded); |
---|
2271 | break; |
---|
2272 | case FitToPageSizeMode: |
---|
2273 | setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); |
---|
2274 | setVerticalScrollBarPolicy(m_continuousMode ? Qt::ScrollBarAsNeeded : Qt::ScrollBarAlwaysOff); |
---|
2275 | break; |
---|
2276 | } |
---|
2277 | } |
---|
2278 | |
---|
2279 | void DocumentView::disconnectVerticalScrollBar() |
---|
2280 | { |
---|
2281 | disconnect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(on_verticalScrollBar_valueChanged())); |
---|
2282 | } |
---|
2283 | |
---|
2284 | void DocumentView::reconnectVerticalScrollBar() |
---|
2285 | { |
---|
2286 | connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(on_verticalScrollBar_valueChanged())); |
---|
2287 | } |
---|
2288 | |
---|
2289 | void DocumentView::prepareDocument(Model::Document* document, const QVector< Model::Page* >& pages) |
---|
2290 | { |
---|
2291 | m_prefetchTimer->blockSignals(true); |
---|
2292 | m_prefetchTimer->stop(); |
---|
2293 | |
---|
2294 | cancelSearch(); |
---|
2295 | clearResults(); |
---|
2296 | |
---|
2297 | qDeleteAll(m_pageItems); |
---|
2298 | qDeleteAll(m_thumbnailItems); |
---|
2299 | |
---|
2300 | qDeleteAll(m_pages); |
---|
2301 | m_pages = pages; |
---|
2302 | |
---|
2303 | delete m_document; |
---|
2304 | m_document = document; |
---|
2305 | |
---|
2306 | if(!m_autoRefreshWatcher->files().isEmpty()) |
---|
2307 | { |
---|
2308 | m_autoRefreshWatcher->removePaths(m_autoRefreshWatcher->files()); |
---|
2309 | } |
---|
2310 | |
---|
2311 | if(s_settings->documentView().autoRefresh()) |
---|
2312 | { |
---|
2313 | m_autoRefreshWatcher->addPath(m_fileInfo.filePath()); |
---|
2314 | } |
---|
2315 | |
---|
2316 | m_document->setPaperColor(s_settings->pageItem().paperColor()); |
---|
2317 | |
---|
2318 | preparePages(); |
---|
2319 | prepareThumbnails(); |
---|
2320 | prepareBackground(); |
---|
2321 | |
---|
2322 | m_document->loadOutline(m_outlineModel); |
---|
2323 | m_document->loadProperties(m_propertiesModel); |
---|
2324 | |
---|
2325 | if(m_outlineModel->rowCount() == 0) |
---|
2326 | { |
---|
2327 | loadFallbackOutline(); |
---|
2328 | } |
---|
2329 | |
---|
2330 | if(s_settings->documentView().prefetch()) |
---|
2331 | { |
---|
2332 | m_prefetchTimer->blockSignals(false); |
---|
2333 | m_prefetchTimer->start(); |
---|
2334 | } |
---|
2335 | } |
---|
2336 | |
---|
2337 | void DocumentView::preparePages() |
---|
2338 | { |
---|
2339 | m_pageItems.clear(); |
---|
2340 | m_pageItems.reserve(m_pages.count()); |
---|
2341 | |
---|
2342 | for(int index = 0; index < m_pages.count(); ++index) |
---|
2343 | { |
---|
2344 | PageItem* page = new PageItem(m_pages.at(index), index); |
---|
2345 | |
---|
2346 | page->setRubberBandMode(m_rubberBandMode); |
---|
2347 | |
---|
2348 | scene()->addItem(page); |
---|
2349 | m_pageItems.append(page); |
---|
2350 | |
---|
2351 | connect(page, SIGNAL(cropRectChanged()), SLOT(on_pages_cropRectChanged())); |
---|
2352 | |
---|
2353 | connect(page, SIGNAL(linkClicked(bool,int,qreal,qreal)), SLOT(on_pages_linkClicked(bool,int,qreal,qreal))); |
---|
2354 | connect(page, SIGNAL(linkClicked(bool,QString,int)), SLOT(on_pages_linkClicked(bool,QString,int))); |
---|
2355 | connect(page, SIGNAL(linkClicked(QString)), SLOT(on_pages_linkClicked(QString))); |
---|
2356 | |
---|
2357 | connect(page, SIGNAL(rubberBandFinished()), SLOT(on_pages_rubberBandFinished())); |
---|
2358 | |
---|
2359 | connect(page, SIGNAL(zoomToSelection(int,QRectF)), SLOT(on_pages_zoomToSelection(int,QRectF))); |
---|
2360 | |
---|
2361 | connect(page, SIGNAL(wasModified()), SLOT(on_pages_wasModified())); |
---|
2362 | } |
---|
2363 | } |
---|
2364 | |
---|
2365 | void DocumentView::prepareThumbnails() |
---|
2366 | { |
---|
2367 | m_thumbnailItems.clear(); |
---|
2368 | m_thumbnailItems.reserve(m_pages.count()); |
---|
2369 | |
---|
2370 | for(int index = 0; index < m_pages.count(); ++index) |
---|
2371 | { |
---|
2372 | ThumbnailItem* page = new ThumbnailItem(m_pages.at(index), pageLabelFromNumber(index + 1), index); |
---|
2373 | |
---|
2374 | m_thumbnailsScene->addItem(page); |
---|
2375 | m_thumbnailItems.append(page); |
---|
2376 | |
---|
2377 | connect(page, SIGNAL(cropRectChanged()), SLOT(on_thumbnails_cropRectChanged())); |
---|
2378 | |
---|
2379 | connect(page, SIGNAL(linkClicked(bool,int,qreal,qreal)), SLOT(on_pages_linkClicked(bool,int,qreal,qreal))); |
---|
2380 | } |
---|
2381 | } |
---|
2382 | |
---|
2383 | void DocumentView::prepareBackground() |
---|
2384 | { |
---|
2385 | QColor backgroundColor; |
---|
2386 | |
---|
2387 | if(s_settings->pageItem().decoratePages()) |
---|
2388 | { |
---|
2389 | backgroundColor = s_settings->pageItem().backgroundColor(); |
---|
2390 | } |
---|
2391 | else |
---|
2392 | { |
---|
2393 | backgroundColor = s_settings->pageItem().paperColor(); |
---|
2394 | |
---|
2395 | if(invertColors()) |
---|
2396 | { |
---|
2397 | backgroundColor.setRgb(~backgroundColor.rgb()); |
---|
2398 | } |
---|
2399 | } |
---|
2400 | |
---|
2401 | scene()->setBackgroundBrush(QBrush(backgroundColor)); |
---|
2402 | m_thumbnailsScene->setBackgroundBrush(QBrush(backgroundColor)); |
---|
2403 | } |
---|
2404 | |
---|
2405 | void DocumentView::prepareScene() |
---|
2406 | { |
---|
2407 | // prepare render parameters and adjust scale factor |
---|
2408 | |
---|
2409 | RenderParam renderParam(logicalDpiX(), logicalDpiY(), 1.0, |
---|
2410 | scaleFactor(), rotation(), renderFlags()); |
---|
2411 | |
---|
2412 | #if QT_VERSION >= QT_VERSION_CHECK(5,1,0) |
---|
2413 | |
---|
2414 | if(s_settings->pageItem().useDevicePixelRatio()) |
---|
2415 | { |
---|
2416 | renderParam.setDevicePixelRatio(devicePixelRatio()); |
---|
2417 | } |
---|
2418 | |
---|
2419 | #endif // QT_VERSION |
---|
2420 | |
---|
2421 | const qreal visibleWidth = m_layout->visibleWidth(viewport()->width()); |
---|
2422 | const qreal visibleHeight = m_layout->visibleHeight(viewport()->height()); |
---|
2423 | |
---|
2424 | foreach(PageItem* page, m_pageItems) |
---|
2425 | { |
---|
2426 | const QSizeF displayedSize = page->displayedSize(renderParam); |
---|
2427 | |
---|
2428 | if(m_scaleMode == FitToPageWidthMode) |
---|
2429 | { |
---|
2430 | adjustScaleFactor(renderParam, visibleWidth / displayedSize.width()); |
---|
2431 | } |
---|
2432 | else if(m_scaleMode == FitToPageSizeMode) |
---|
2433 | { |
---|
2434 | adjustScaleFactor(renderParam, qMin(visibleWidth / displayedSize.width(), visibleHeight / displayedSize.height())); |
---|
2435 | } |
---|
2436 | |
---|
2437 | page->setRenderParam(renderParam); |
---|
2438 | } |
---|
2439 | |
---|
2440 | // prepare layout |
---|
2441 | |
---|
2442 | qreal left = 0.0; |
---|
2443 | qreal right = 0.0; |
---|
2444 | qreal height = s_settings->documentView().pageSpacing(); |
---|
2445 | |
---|
2446 | m_layout->prepareLayout(m_pageItems, m_rightToLeftMode, |
---|
2447 | left, right, height); |
---|
2448 | |
---|
2449 | scene()->setSceneRect(left, 0.0, right - left, height); |
---|
2450 | } |
---|
2451 | |
---|
2452 | void DocumentView::prepareView(qreal newLeft, qreal newTop, bool forceScroll, int scrollToPage) |
---|
2453 | { |
---|
2454 | const QRectF sceneRect = scene()->sceneRect(); |
---|
2455 | |
---|
2456 | qreal top = sceneRect.top(); |
---|
2457 | qreal height = sceneRect.height(); |
---|
2458 | |
---|
2459 | int horizontalValue = 0; |
---|
2460 | int verticalValue = 0; |
---|
2461 | |
---|
2462 | scrollToPage = scrollToPage != 0 ? scrollToPage : m_currentPage; |
---|
2463 | |
---|
2464 | const int highlightIsOnPage = m_currentResult.isValid() ? pageOfResult(m_currentResult) : 0; |
---|
2465 | const bool highlightCurrentThumbnail = s_settings->documentView().highlightCurrentThumbnail(); |
---|
2466 | |
---|
2467 | for(int index = 0; index < m_pageItems.count(); ++index) |
---|
2468 | { |
---|
2469 | PageItem* page = m_pageItems.at(index); |
---|
2470 | |
---|
2471 | if(m_continuousMode) |
---|
2472 | { |
---|
2473 | page->setVisible(true); |
---|
2474 | } |
---|
2475 | else |
---|
2476 | { |
---|
2477 | if(m_layout->leftIndex(index) == m_currentPage - 1) |
---|
2478 | { |
---|
2479 | page->setVisible(true); |
---|
2480 | |
---|
2481 | const QRectF boundingRect = page->boundingRect().translated(page->pos()); |
---|
2482 | |
---|
2483 | top = boundingRect.top() - s_settings->documentView().pageSpacing(); |
---|
2484 | height = boundingRect.height() + 2.0 * s_settings->documentView().pageSpacing(); |
---|
2485 | } |
---|
2486 | else |
---|
2487 | { |
---|
2488 | page->setVisible(false); |
---|
2489 | |
---|
2490 | page->cancelRender(); |
---|
2491 | } |
---|
2492 | } |
---|
2493 | |
---|
2494 | if(index == scrollToPage - 1) |
---|
2495 | { |
---|
2496 | const QRectF boundingRect = page->uncroppedBoundingRect().translated(page->pos()); |
---|
2497 | |
---|
2498 | horizontalValue = qFloor(boundingRect.left() + newLeft * boundingRect.width()); |
---|
2499 | verticalValue = qFloor(boundingRect.top() + newTop * boundingRect.height()); |
---|
2500 | } |
---|
2501 | |
---|
2502 | if(index == highlightIsOnPage - 1) |
---|
2503 | { |
---|
2504 | m_highlight->setPos(page->pos()); |
---|
2505 | m_highlight->setTransform(page->transform()); |
---|
2506 | |
---|
2507 | page->stackBefore(m_highlight); |
---|
2508 | } |
---|
2509 | |
---|
2510 | m_thumbnailItems.at(index)->setHighlighted(highlightCurrentThumbnail && (index == m_currentPage - 1)); |
---|
2511 | } |
---|
2512 | |
---|
2513 | setSceneRect(sceneRect.left(), top, sceneRect.width(), height); |
---|
2514 | |
---|
2515 | if(!forceScroll && s_settings->documentView().minimalScrolling()) |
---|
2516 | { |
---|
2517 | setValueIfNotVisible(horizontalScrollBar(), horizontalValue); |
---|
2518 | setValueIfNotVisible(verticalScrollBar(), verticalValue); |
---|
2519 | } |
---|
2520 | else |
---|
2521 | { |
---|
2522 | horizontalScrollBar()->setValue(horizontalValue); |
---|
2523 | verticalScrollBar()->setValue(verticalValue); |
---|
2524 | } |
---|
2525 | |
---|
2526 | viewport()->update(); |
---|
2527 | } |
---|
2528 | |
---|
2529 | void DocumentView::prepareThumbnailsScene() |
---|
2530 | { |
---|
2531 | // prepare render parameters and adjust scale factor |
---|
2532 | |
---|
2533 | RenderParam renderParam(logicalDpiX(), logicalDpiY(), 1.0, |
---|
2534 | scaleFactor(), rotation(), renderFlags()); |
---|
2535 | |
---|
2536 | #if QT_VERSION >= QT_VERSION_CHECK(5,1,0) |
---|
2537 | |
---|
2538 | if(s_settings->pageItem().useDevicePixelRatio()) |
---|
2539 | { |
---|
2540 | renderParam.setDevicePixelRatio(devicePixelRatio()); |
---|
2541 | } |
---|
2542 | |
---|
2543 | #endif // QT_VERSION |
---|
2544 | |
---|
2545 | const qreal thumbnailSize = s_settings->documentView().thumbnailSize(); |
---|
2546 | const qreal thumbnailSpacing = s_settings->documentView().thumbnailSpacing(); |
---|
2547 | |
---|
2548 | qreal visibleWidth = Defaults::DocumentView::thumbnailSize(); |
---|
2549 | qreal visibleHeight = Defaults::DocumentView::thumbnailSize(); |
---|
2550 | |
---|
2551 | if(!m_thumbnailsViewportSize.isNull()) |
---|
2552 | { |
---|
2553 | visibleWidth = m_thumbnailsViewportSize.width() - 3.0 * thumbnailSpacing; |
---|
2554 | visibleHeight = m_thumbnailsViewportSize.height() - 3.0 * thumbnailSpacing; |
---|
2555 | } |
---|
2556 | |
---|
2557 | foreach(ThumbnailItem* page, m_thumbnailItems) |
---|
2558 | { |
---|
2559 | const QSizeF displayedSize = page->displayedSize(renderParam); |
---|
2560 | |
---|
2561 | if(thumbnailSize != 0.0) |
---|
2562 | { |
---|
2563 | adjustScaleFactor(renderParam, qMin(thumbnailSize / displayedSize.width(), thumbnailSize / displayedSize.height())); |
---|
2564 | } |
---|
2565 | else |
---|
2566 | { |
---|
2567 | if(m_thumbnailsOrientation == Qt::Vertical) |
---|
2568 | { |
---|
2569 | adjustScaleFactor(renderParam, visibleWidth / displayedSize.width()); |
---|
2570 | } |
---|
2571 | else |
---|
2572 | { |
---|
2573 | adjustScaleFactor(renderParam, (visibleHeight - page->textHeight()) / displayedSize.height()); |
---|
2574 | } |
---|
2575 | } |
---|
2576 | |
---|
2577 | page->setRenderParam(renderParam); |
---|
2578 | } |
---|
2579 | |
---|
2580 | // prepare layout |
---|
2581 | |
---|
2582 | qreal left = 0.0; |
---|
2583 | qreal right = m_thumbnailsOrientation == Qt::Vertical ? 0.0 : thumbnailSpacing; |
---|
2584 | qreal top = 0.0; |
---|
2585 | qreal bottom = m_thumbnailsOrientation == Qt::Vertical ? thumbnailSpacing : 0.0; |
---|
2586 | |
---|
2587 | const bool limitThumbnailsToResults = s_settings->documentView().limitThumbnailsToResults(); |
---|
2588 | |
---|
2589 | for(int index = 0; index < m_thumbnailItems.count(); ++index) |
---|
2590 | { |
---|
2591 | ThumbnailItem* page = m_thumbnailItems.at(index); |
---|
2592 | |
---|
2593 | // prepare visibility |
---|
2594 | |
---|
2595 | if(limitThumbnailsToResults && s_searchModel->hasResults(this) && !s_searchModel->hasResultsOnPage(this, index + 1)) |
---|
2596 | { |
---|
2597 | page->setVisible(false); |
---|
2598 | |
---|
2599 | page->cancelRender(); |
---|
2600 | |
---|
2601 | continue; |
---|
2602 | } |
---|
2603 | |
---|
2604 | page->setVisible(true); |
---|
2605 | |
---|
2606 | // prepare position |
---|
2607 | |
---|
2608 | const QRectF boundingRect = page->boundingRect(); |
---|
2609 | |
---|
2610 | if(m_thumbnailsOrientation == Qt::Vertical) |
---|
2611 | { |
---|
2612 | page->setPos(-boundingRect.left() - 0.5 * boundingRect.width(), bottom - boundingRect.top()); |
---|
2613 | |
---|
2614 | left = qMin(left, -0.5f * boundingRect.width() - thumbnailSpacing); |
---|
2615 | right = qMax(right, 0.5f * boundingRect.width() + thumbnailSpacing); |
---|
2616 | bottom += boundingRect.height() + thumbnailSpacing; |
---|
2617 | } |
---|
2618 | else |
---|
2619 | { |
---|
2620 | page->setPos(right - boundingRect.left(), -boundingRect.top() - 0.5 * boundingRect.height()); |
---|
2621 | |
---|
2622 | top = qMin(top, -0.5f * boundingRect.height() - thumbnailSpacing); |
---|
2623 | bottom = qMax(bottom, 0.5f * boundingRect.height() + thumbnailSpacing); |
---|
2624 | right += boundingRect.width() + thumbnailSpacing; |
---|
2625 | } |
---|
2626 | } |
---|
2627 | |
---|
2628 | m_thumbnailsScene->setSceneRect(left, top, right - left, bottom - top); |
---|
2629 | } |
---|
2630 | |
---|
2631 | void DocumentView::prepareHighlight(int index, const QRectF& rect) |
---|
2632 | { |
---|
2633 | PageItem* page = m_pageItems.at(index); |
---|
2634 | |
---|
2635 | m_highlight->setPos(page->pos()); |
---|
2636 | m_highlight->setTransform(page->transform()); |
---|
2637 | |
---|
2638 | m_highlight->setRect(rect.normalized()); |
---|
2639 | m_highlight->setBrush(QBrush(s_settings->pageItem().highlightColor())); |
---|
2640 | |
---|
2641 | page->stackBefore(m_highlight); |
---|
2642 | |
---|
2643 | m_highlight->setVisible(true); |
---|
2644 | |
---|
2645 | disconnectVerticalScrollBar(); |
---|
2646 | centerOn(m_highlight); |
---|
2647 | reconnectVerticalScrollBar(); |
---|
2648 | |
---|
2649 | viewport()->update(); |
---|
2650 | } |
---|
2651 | |
---|
2652 | void DocumentView::checkResult() |
---|
2653 | { |
---|
2654 | if(m_currentResult.isValid() && m_layout->currentPage(pageOfResult(m_currentResult)) != m_currentPage) |
---|
2655 | { |
---|
2656 | m_currentResult = QModelIndex(); |
---|
2657 | } |
---|
2658 | } |
---|
2659 | |
---|
2660 | void DocumentView::applyResult() |
---|
2661 | { |
---|
2662 | if(m_currentResult.isValid()) |
---|
2663 | { |
---|
2664 | const int page = pageOfResult(m_currentResult); |
---|
2665 | const QRectF rect = rectOfResult(m_currentResult); |
---|
2666 | |
---|
2667 | jumpToPage(page); |
---|
2668 | |
---|
2669 | prepareHighlight(page - 1, rect); |
---|
2670 | } |
---|
2671 | else |
---|
2672 | { |
---|
2673 | m_highlight->setVisible(false); |
---|
2674 | } |
---|
2675 | } |
---|
2676 | |
---|
2677 | } // qpdfview |
---|