1 | /* |
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2 | |
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3 | Copyright 2013 Adam Reichold |
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4 | |
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5 | This file is part of qpdfview. |
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6 | |
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7 | qpdfview is free software: you can redistribute it and/or modify |
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8 | it under the terms of the GNU General Public License as published by |
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9 | the Free Software Foundation, either version 2 of the License, or |
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10 | (at your option) any later version. |
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11 | |
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12 | qpdfview is distributed in the hope that it will be useful, |
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13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | GNU General Public License for more details. |
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16 | |
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17 | You should have received a copy of the GNU General Public License |
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18 | along with qpdfview. If not, see <http://www.gnu.org/licenses/>. |
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19 | |
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20 | */ |
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21 | |
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22 | #include "shortcuthandler.h" |
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23 | |
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24 | #include <QApplication> |
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25 | #include <QSettings> |
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26 | |
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27 | #include "documentview.h" |
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28 | |
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29 | namespace |
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30 | { |
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31 | |
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32 | QList< QKeySequence > toShortcuts(const QStringList& stringList) |
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33 | { |
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34 | QList< QKeySequence > shortcuts; |
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35 | |
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36 | foreach(const QString& string, stringList) |
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37 | { |
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38 | QKeySequence shortcut(string.trimmed()); |
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39 | |
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40 | if(!shortcut.isEmpty()) |
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41 | { |
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42 | shortcuts.append(shortcut); |
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43 | } |
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44 | } |
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45 | |
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46 | return shortcuts; |
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47 | } |
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48 | |
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49 | QStringList toStringList(const QList< QKeySequence >& shortcuts, QKeySequence::SequenceFormat format = QKeySequence::PortableText) |
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50 | { |
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51 | QStringList stringList; |
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52 | |
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53 | foreach(const QKeySequence& shortcut, shortcuts) |
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54 | { |
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55 | stringList.append(shortcut.toString(format)); |
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56 | } |
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57 | |
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58 | return stringList; |
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59 | } |
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60 | |
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61 | inline bool matches(const QKeySequence& keySequence, const QList< QKeySequence >& shortcuts) |
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62 | { |
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63 | foreach(const QKeySequence& shortcut, shortcuts) |
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64 | { |
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65 | if(keySequence.matches(shortcut) == QKeySequence::ExactMatch) |
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66 | { |
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67 | return true; |
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68 | } |
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69 | } |
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70 | |
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71 | return false; |
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72 | } |
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73 | |
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74 | } // anonymous |
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75 | |
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76 | namespace qpdfview |
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77 | { |
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78 | |
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79 | ShortcutHandler* ShortcutHandler::s_instance = 0; |
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80 | |
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81 | ShortcutHandler* ShortcutHandler::instance() |
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82 | { |
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83 | if(s_instance == 0) |
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84 | { |
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85 | s_instance = new ShortcutHandler(qApp); |
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86 | } |
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87 | |
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88 | return s_instance; |
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89 | } |
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90 | |
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91 | ShortcutHandler::~ShortcutHandler() |
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92 | { |
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93 | s_instance = 0; |
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94 | } |
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95 | |
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96 | void ShortcutHandler::registerAction(QAction* action) |
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97 | { |
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98 | Q_ASSERT(!action->objectName().isEmpty()); |
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99 | |
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100 | const QList< QKeySequence > defaultShortcuts = action->shortcuts(); |
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101 | const QList< QKeySequence > shortcuts = toShortcuts(m_settings->value(action->objectName(), toStringList(defaultShortcuts)).toStringList()); |
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102 | |
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103 | action->setShortcuts(shortcuts); |
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104 | |
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105 | m_actions.append(action); |
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106 | m_shortcuts.insert(action, shortcuts); |
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107 | m_defaultShortcuts.insert(action, defaultShortcuts); |
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108 | } |
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109 | |
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110 | int ShortcutHandler::columnCount(const QModelIndex& parent) const |
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111 | { |
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112 | Q_UNUSED(parent); |
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113 | |
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114 | return 2; |
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115 | } |
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116 | |
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117 | int ShortcutHandler::rowCount(const QModelIndex& parent) const |
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118 | { |
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119 | Q_UNUSED(parent); |
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120 | |
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121 | return m_actions.count(); |
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122 | } |
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123 | |
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124 | Qt::ItemFlags ShortcutHandler::flags(const QModelIndex& index) const |
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125 | { |
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126 | switch(index.column()) |
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127 | { |
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128 | case 0: |
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129 | return Qt::ItemIsEnabled; |
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130 | break; |
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131 | case 1: |
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132 | return Qt::ItemIsEnabled | Qt::ItemIsEditable; |
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133 | break; |
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134 | } |
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135 | |
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136 | return Qt::NoItemFlags; |
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137 | } |
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138 | |
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139 | QVariant ShortcutHandler::headerData(int section, Qt::Orientation orientation, int role) const |
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140 | { |
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141 | Q_UNUSED(orientation); |
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142 | |
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143 | if(role == Qt::DisplayRole) |
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144 | { |
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145 | switch(section) |
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146 | { |
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147 | case 0: |
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148 | return tr("Action"); |
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149 | break; |
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150 | case 1: |
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151 | return tr("Key sequence"); |
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152 | break; |
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153 | } |
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154 | } |
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155 | |
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156 | return QVariant(); |
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157 | } |
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158 | |
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159 | QVariant ShortcutHandler::data(const QModelIndex& index, int role) const |
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160 | { |
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161 | if((role == Qt::DisplayRole || role == Qt::EditRole) && index.row() >= 0 && index.row() < m_actions.count()) |
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162 | { |
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163 | QAction* action = m_actions.at(index.row()); |
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164 | |
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165 | switch(index.column()) |
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166 | { |
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167 | case 0: |
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168 | return action->text().remove(QLatin1Char('&')); |
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169 | break; |
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170 | case 1: |
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171 | return toStringList(m_shortcuts.value(action), QKeySequence::NativeText).join(";"); |
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172 | break; |
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173 | } |
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174 | } |
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175 | |
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176 | return QVariant(); |
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177 | } |
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178 | |
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179 | bool ShortcutHandler::setData(const QModelIndex& index, const QVariant& value, int role) |
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180 | { |
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181 | if(role == Qt::EditRole && index.column() == 1 && index.row() >= 0 && index.row() < m_actions.count()) |
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182 | { |
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183 | QList< QKeySequence > shortcuts = toShortcuts(value.toString().split(";", QString::SkipEmptyParts)); |
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184 | |
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185 | if(!shortcuts.isEmpty() || value.toString().isEmpty()) |
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186 | { |
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187 | m_shortcuts.insert(m_actions.at(index.row()), shortcuts); |
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188 | |
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189 | emit dataChanged(index, index); |
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190 | |
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191 | return true; |
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192 | } |
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193 | } |
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194 | |
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195 | return false; |
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196 | } |
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197 | |
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198 | bool ShortcutHandler::matchesSkipBackward(const QKeySequence& keySequence) const |
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199 | { |
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200 | return matches(keySequence, m_skipBackwardAction->shortcuts()); |
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201 | } |
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202 | |
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203 | bool ShortcutHandler::matchesSkipForward(const QKeySequence& keySequence) const |
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204 | { |
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205 | return matches(keySequence, m_skipForwardAction->shortcuts()); |
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206 | } |
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207 | |
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208 | bool ShortcutHandler::matchesMoveUp(const QKeySequence& keySequence) const |
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209 | { |
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210 | return matches(keySequence, m_moveUpAction->shortcuts()); |
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211 | } |
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212 | |
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213 | bool ShortcutHandler::matchesMoveDown(const QKeySequence& keySequence) const |
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214 | { |
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215 | return matches(keySequence, m_moveDownAction->shortcuts()); |
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216 | } |
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217 | |
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218 | bool ShortcutHandler::matchesMoveLeft(const QKeySequence& keySequence) const |
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219 | { |
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220 | return matches(keySequence, m_moveLeftAction->shortcuts()); |
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221 | } |
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222 | |
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223 | bool ShortcutHandler::matchesMoveRight(const QKeySequence& keySequence) const |
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224 | { |
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225 | return matches(keySequence, m_moveRightAction->shortcuts()); |
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226 | } |
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227 | |
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228 | bool ShortcutHandler::submit() |
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229 | { |
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230 | for(QHash< QAction*, QList< QKeySequence > >::iterator iterator = m_shortcuts.begin(); iterator != m_shortcuts.end(); ++iterator) |
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231 | { |
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232 | iterator.key()->setShortcuts(iterator.value()); |
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233 | } |
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234 | |
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235 | foreach(const QAction* action, m_actions) |
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236 | { |
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237 | m_settings->setValue(action->objectName(), toStringList(action->shortcuts())); |
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238 | } |
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239 | |
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240 | return true; |
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241 | } |
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242 | |
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243 | void ShortcutHandler::revert() |
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244 | { |
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245 | for(QHash< QAction*, QList< QKeySequence > >::iterator iterator = m_shortcuts.begin(); iterator != m_shortcuts.end(); ++iterator) |
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246 | { |
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247 | iterator.value() = iterator.key()->shortcuts(); |
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248 | } |
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249 | } |
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250 | |
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251 | void ShortcutHandler::reset() |
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252 | { |
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253 | for(QHash< QAction*, QList< QKeySequence > >::iterator iterator = m_defaultShortcuts.begin(); iterator != m_defaultShortcuts.end(); ++iterator) |
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254 | { |
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255 | m_shortcuts.insert(iterator.key(), iterator.value()); |
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256 | } |
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257 | |
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258 | emit dataChanged(createIndex(0, 1), createIndex(m_actions.count(), 1)); |
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259 | } |
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260 | |
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261 | ShortcutHandler::ShortcutHandler(QObject* parent) : QAbstractTableModel(parent), |
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262 | // m_settings(new QSettings("qpdfview", "shortcuts", this)), |
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263 | m_settings(new QSettings("terepaima", "shortcuts", this)), |
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264 | m_actions(), |
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265 | m_shortcuts(), |
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266 | m_defaultShortcuts() |
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267 | { |
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268 | // skip backward shortcut |
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269 | |
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270 | m_skipBackwardAction = new QAction(tr("Skip backward"), this); |
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271 | m_skipBackwardAction->setObjectName(QLatin1String("skipBackward")); |
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272 | m_skipBackwardAction->setShortcuts(QList< QKeySequence >() << QKeySequence(Qt::Key_PageUp) << QKeySequence(Qt::KeypadModifier + Qt::Key_PageUp)); |
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273 | registerAction(m_skipBackwardAction); |
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274 | |
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275 | // skip forward shortcut |
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276 | |
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277 | m_skipForwardAction = new QAction(tr("Skip forward"), this); |
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278 | m_skipForwardAction->setObjectName(QLatin1String("skipForward")); |
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279 | m_skipForwardAction->setShortcuts(QList< QKeySequence >() << QKeySequence(Qt::Key_PageDown) << QKeySequence(Qt::KeypadModifier + Qt::Key_PageDown)); |
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280 | registerAction(m_skipForwardAction); |
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281 | |
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282 | // move up shortcut |
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283 | |
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284 | m_moveUpAction = new QAction(tr("Move up"), this); |
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285 | m_moveUpAction->setObjectName(QLatin1String("moveUp")); |
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286 | m_moveUpAction->setShortcuts(QList< QKeySequence >() << QKeySequence(Qt::Key_Up) << QKeySequence(Qt::KeypadModifier + Qt::Key_Up)); |
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287 | registerAction(m_moveUpAction); |
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288 | |
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289 | // move down shortcut |
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290 | |
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291 | m_moveDownAction = new QAction(tr("Move down"), this); |
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292 | m_moveDownAction->setObjectName(QLatin1String("moveDown")); |
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293 | m_moveDownAction->setShortcuts(QList< QKeySequence >() << QKeySequence(Qt::Key_Down) << QKeySequence(Qt::KeypadModifier + Qt::Key_Down)); |
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294 | registerAction(m_moveDownAction); |
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295 | |
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296 | // move left shortcut |
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297 | |
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298 | m_moveLeftAction = new QAction(tr("Move left"), this); |
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299 | m_moveLeftAction->setObjectName(QLatin1String("moveLeft")); |
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300 | m_moveLeftAction->setShortcuts(QList< QKeySequence >() << QKeySequence(Qt::Key_Left) << QKeySequence(Qt::KeypadModifier + Qt::Key_Left)); |
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301 | registerAction(m_moveLeftAction); |
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302 | |
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303 | // move right shortcut |
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304 | |
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305 | m_moveRightAction = new QAction(tr("Move right"), this); |
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306 | m_moveRightAction->setObjectName(QLatin1String("moveRight")); |
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307 | m_moveRightAction->setShortcuts(QList< QKeySequence >() << QKeySequence(Qt::Key_Right) << QKeySequence(Qt::KeypadModifier + Qt::Key_Right)); |
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308 | registerAction(m_moveRightAction); |
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309 | } |
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310 | |
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311 | } // qpdfview |
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