1 | /* |
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2 | |
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3 | Copyright 2014 S. Razi Alavizadeh |
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4 | Copyright 2013-2014 Adam Reichold |
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5 | |
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6 | This file is part of qpdfview. |
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7 | |
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8 | qpdfview is free software: you can redistribute it and/or modify |
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9 | it under the terms of the GNU General Public License as published by |
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10 | the Free Software Foundation, either version 2 of the License, or |
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11 | (at your option) any later version. |
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12 | |
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13 | qpdfview is distributed in the hope that it will be useful, |
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14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | GNU General Public License for more details. |
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17 | |
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18 | You should have received a copy of the GNU General Public License |
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19 | along with qpdfview. If not, see <http://www.gnu.org/licenses/>. |
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20 | |
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21 | */ |
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22 | |
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23 | #ifndef DOCUMENTMODEL_H |
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24 | #define DOCUMENTMODEL_H |
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25 | |
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26 | #include <QList> |
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27 | #include <QtPlugin> |
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28 | #include <QRect> |
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29 | #include <QStandardItemModel> |
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30 | #include <QString> |
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31 | #include <QWidget> |
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32 | |
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33 | class QColor; |
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34 | class QImage; |
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35 | class QPrinter; |
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36 | class QSizeF; |
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37 | |
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38 | #include "global.h" |
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39 | |
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40 | namespace qpdfview |
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41 | { |
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42 | |
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43 | namespace Model |
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44 | { |
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45 | struct Link |
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46 | { |
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47 | QPainterPath boundary; |
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48 | |
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49 | int page; |
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50 | qreal left; |
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51 | qreal top; |
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52 | |
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53 | QString urlOrFileName; |
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54 | |
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55 | Link() : boundary(), page(-1), left(qQNaN()), top(qQNaN()), urlOrFileName() {} |
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56 | |
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57 | Link(const QPainterPath& boundary, int page, qreal left = qQNaN(), qreal top = qQNaN()) : boundary(boundary), page(page), left(left), top(top), urlOrFileName() {} |
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58 | Link(const QRectF& boundingRect, int page, qreal left = qQNaN(), qreal top = qQNaN()) : boundary(), page(page), left(left), top(top), urlOrFileName() { boundary.addRect(boundingRect); } |
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59 | |
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60 | Link(const QPainterPath& boundary, const QString& url) : boundary(boundary), page(-1), left(qQNaN()), top(qQNaN()), urlOrFileName(url) {} |
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61 | Link(const QRectF& boundingRect, const QString& url) : boundary(), page(-1), left(qQNaN()), top(qQNaN()), urlOrFileName(url) { boundary.addRect(boundingRect); } |
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62 | |
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63 | Link(const QPainterPath& boundary, const QString& fileName, int page) : boundary(boundary), page(page), left(qQNaN()), top(qQNaN()), urlOrFileName(fileName) {} |
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64 | Link(const QRectF& boundingRect, const QString& fileName, int page) : boundary(), page(page), left(qQNaN()), top(qQNaN()), urlOrFileName(fileName) { boundary.addRect(boundingRect); } |
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65 | |
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66 | }; |
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67 | |
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68 | class Annotation : public QObject |
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69 | { |
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70 | Q_OBJECT |
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71 | |
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72 | public: |
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73 | Annotation() : QObject() {} |
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74 | virtual ~Annotation() {} |
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75 | |
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76 | virtual QRectF boundary() const = 0; |
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77 | virtual QString contents() const = 0; |
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78 | |
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79 | virtual QWidget* createWidget() = 0; |
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80 | |
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81 | signals: |
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82 | void wasModified(); |
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83 | |
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84 | }; |
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85 | |
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86 | class FormField : public QObject |
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87 | { |
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88 | Q_OBJECT |
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89 | |
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90 | public: |
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91 | FormField() : QObject() {} |
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92 | virtual ~FormField() {} |
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93 | |
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94 | virtual QRectF boundary() const = 0; |
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95 | virtual QString name() const = 0; |
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96 | |
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97 | virtual QWidget* createWidget() = 0; |
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98 | |
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99 | signals: |
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100 | void wasModified(); |
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101 | |
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102 | }; |
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103 | |
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104 | class Page |
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105 | { |
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106 | public: |
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107 | virtual ~Page() {} |
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108 | |
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109 | virtual QSizeF size() const = 0; |
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110 | |
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111 | virtual QImage render(qreal horizontalResolution = 72.0, qreal verticalResolution = 72.0, Rotation rotation = RotateBy0, const QRect& boundingRect = QRect()) const = 0; |
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112 | |
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113 | virtual QString label() const { return QString(); } |
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114 | |
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115 | virtual QList< Link* > links() const { return QList< Link* >(); } |
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116 | |
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117 | virtual QString text(const QRectF& rect) const { Q_UNUSED(rect); return QString(); } |
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118 | virtual QString cachedText(const QRectF& rect) const { return text(rect); } |
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119 | |
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120 | virtual QList< QRectF > search(const QString& text, bool matchCase, bool wholeWords) const { Q_UNUSED(text); Q_UNUSED(matchCase); Q_UNUSED(wholeWords); return QList< QRectF >(); } |
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121 | |
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122 | virtual QList< Annotation* > annotations() const { return QList< Annotation* >(); } |
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123 | |
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124 | virtual bool canAddAndRemoveAnnotations() const { return false; } |
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125 | virtual Annotation* addTextAnnotation(const QRectF& boundary, const QColor& color) { Q_UNUSED(boundary); Q_UNUSED(color); return 0; } |
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126 | virtual Annotation* addHighlightAnnotation(const QRectF& boundary, const QColor& color) { Q_UNUSED(boundary); Q_UNUSED(color); return 0; } |
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127 | virtual void removeAnnotation(Annotation* annotation) { Q_UNUSED(annotation); } |
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128 | |
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129 | virtual QList< FormField* > formFields() const { return QList< FormField* >(); } |
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130 | |
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131 | }; |
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132 | |
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133 | class Document |
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134 | { |
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135 | public: |
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136 | virtual ~Document() {} |
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137 | |
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138 | virtual int numberOfPages() const = 0; |
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139 | |
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140 | virtual Page* page(int index) const = 0; |
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141 | |
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142 | virtual bool isLocked() const { return false; } |
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143 | virtual bool unlock(const QString& password) { Q_UNUSED(password); return false; } |
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144 | |
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145 | virtual QStringList saveFilter() const { return QStringList(); } |
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146 | |
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147 | virtual bool canSave() const { return false; } |
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148 | virtual bool save(const QString& filePath, bool withChanges) const { Q_UNUSED(filePath); Q_UNUSED(withChanges); return false; } |
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149 | |
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150 | virtual bool canBePrintedUsingCUPS() const { return false; } |
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151 | |
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152 | virtual void setPaperColor(const QColor& paperColor) { Q_UNUSED(paperColor); } |
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153 | |
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154 | enum |
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155 | { |
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156 | PageRole = Qt::UserRole + 1, |
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157 | LeftRole, |
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158 | TopRole, |
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159 | ExpansionRole |
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160 | }; |
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161 | |
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162 | virtual void loadOutline(QStandardItemModel* outlineModel) const { outlineModel->clear(); } |
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163 | virtual void loadProperties(QStandardItemModel* propertiesModel) const { propertiesModel->clear(); propertiesModel->setColumnCount(2); } |
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164 | |
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165 | virtual void loadFonts(QStandardItemModel* fontsModel) const { fontsModel->clear(); } |
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166 | |
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167 | virtual bool wantsContinuousMode() const { return false; } |
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168 | virtual bool wantsSinglePageMode() const { return false; } |
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169 | virtual bool wantsTwoPagesMode() const { return false; } |
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170 | virtual bool wantsTwoPagesWithCoverPageMode() const { return false; } |
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171 | virtual bool wantsRightToLeftMode() const { return false; } |
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172 | |
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173 | }; |
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174 | } |
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175 | |
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176 | class SettingsWidget : public QWidget |
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177 | { |
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178 | Q_OBJECT |
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179 | |
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180 | public: |
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181 | explicit SettingsWidget(QWidget* parent = 0) : QWidget(parent) {} |
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182 | |
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183 | virtual void accept() = 0; |
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184 | virtual void reset() = 0; |
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185 | |
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186 | }; |
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187 | |
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188 | class Plugin |
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189 | { |
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190 | public: |
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191 | virtual ~Plugin() {} |
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192 | |
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193 | virtual Model::Document* loadDocument(const QString& filePath) const = 0; |
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194 | |
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195 | virtual SettingsWidget* createSettingsWidget(QWidget* parent = 0) const { Q_UNUSED(parent); return 0; } |
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196 | |
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197 | }; |
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198 | |
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199 | } // qpdfview |
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200 | |
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201 | Q_DECLARE_INTERFACE(qpdfview::Plugin, "local.qpdfview.Plugin") |
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202 | |
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203 | #endif // DOCUMENTMODEL_H |
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