Mercurial > octave
annotate libgui/src/dialog.h @ 21613:e15d3387fc59
eliminate leak in ListDialog class (bug #47372)
* dialog.h, dialog.cc (ListDialog::model): New data member.
(ListDialog::ListDialog): Initialize class data member instead of
storing pointer in local variable.
(ListDialog::~ListDialog): New function. Delete model.
author | John W. Eaton <jwe@octave.org> |
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date | Tue, 12 Apr 2016 10:10:07 -0400 |
parents | 77f5591878bf |
children | 278fc29b69ca |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 2013-2015 John W. Eaton |
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4 Copyright (C) 2013-2015 Daniel J. Sebald |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 3 of the License, or (at your |
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11 option) any later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 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 Octave; see the file COPYING. If not, see |
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20 <http://www.gnu.org/licenses/>. |
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21 |
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22 */ |
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23 |
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24 #if ! defined (octave_dialog_h) |
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25 #define octave_dialog_h 1 |
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26 |
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27 #include <QMutex> |
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28 #include <QWaitCondition> |
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29 #include <QAbstractButton> |
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30 #include <QList> |
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31 #include <QItemSelectionModel> |
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32 #include <QDialog> |
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33 #include <QMessageBox> |
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34 #include <QLineEdit> |
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Add Qt link uigetfile dialog implementation.
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35 #include <QFileDialog> |
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36 |
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37 // Defined for purposes of sending QList<int> as part of signal. |
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38 typedef QList<int> QIntList; |
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39 |
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40 // Defined for purposes of sending QList<float> as part of signal. |
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41 typedef QList<float> QFloatList; |
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42 |
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43 |
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44 class QUIWidgetCreator : public QObject |
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45 { |
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46 Q_OBJECT |
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47 |
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48 public: |
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49 |
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50 QUIWidgetCreator (void); |
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51 |
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52 ~QUIWidgetCreator (void); |
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53 |
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54 public: |
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55 |
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56 void signal_dialog (const QString& message, const QString& title, |
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57 const QString& icon, const QStringList& button, |
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58 const QString& defbutton, const QStringList& role) |
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59 { |
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60 |
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61 // Use the last button in the list as the reject result, i.e., when no |
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62 // button is pressed such as in the case of the upper right close tab. |
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63 if (! button.isEmpty ()) |
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64 dialog_button = button.last (); |
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65 |
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66 QString xicon = icon; |
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67 if (xicon.isEmpty ()) |
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68 xicon = "none"; |
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69 |
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70 emit create_dialog (message, title, xicon, button, defbutton, role); |
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71 }; |
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72 |
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73 int get_dialog_result (void) { return dialog_result; } |
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74 |
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75 QString get_dialog_button (void) { return dialog_button; } |
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76 |
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77 bool signal_listview (const QStringList& list, const QString& mode, |
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78 int wd, int ht, const QList<int>& initial, |
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79 const QString& name, const QStringList& prompt, |
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80 const QString& ok_string, const QString& cancel_string) |
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81 { |
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82 if (list.isEmpty ()) |
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83 return false; |
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84 |
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85 emit create_listview (list, mode, wd, ht, initial, name, |
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86 prompt, ok_string, cancel_string); |
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87 |
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88 return true; |
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89 }; |
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90 |
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91 const QIntList *get_list_index (void) { return list_index; } |
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92 |
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93 bool signal_inputlayout (const QStringList& prompt, const QString& title, |
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94 const QFloatList& nr, const QFloatList& nc, |
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95 const QStringList& defaults) |
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96 { |
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97 if (prompt.isEmpty ()) |
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98 return false; |
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99 |
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100 emit create_inputlayout (prompt, title, nr, nc, defaults); |
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101 |
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102 return true; |
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103 }; |
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104 |
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105 const QStringList *get_string_list (void) { return string_list; } |
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106 |
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107 bool signal_filedialog (const QStringList& filters, const QString& title, |
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108 const QString& filename, const QString& dirname, |
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109 const QString &multimode) |
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110 { |
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111 emit create_filedialog (filters, title, filename, dirname, multimode); |
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112 return true; |
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113 } |
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114 |
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115 const QString *get_dialog_path (void) { return path_name; } |
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116 |
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117 // GUI objects cannot be accessed in the non-GUI thread. However, |
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118 // signals can be sent to slots across threads with proper |
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119 // synchronization. Hence, the use of QWaitCondition. |
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120 QMutex mutex; |
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121 QWaitCondition waitcondition; |
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122 |
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123 signals: |
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124 |
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125 void create_dialog (const QString&, const QString&, const QString&, |
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126 const QStringList&, const QString&, const QStringList&); |
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127 |
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128 void create_listview (const QStringList&, const QString&, int, int, |
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129 const QIntList&, const QString&, const QStringList&, |
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130 const QString&, const QString&); |
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131 |
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132 void create_inputlayout (const QStringList&, const QString&, |
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133 const QFloatList&, const QFloatList&, |
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134 const QStringList&); |
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135 |
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136 void create_filedialog (const QStringList& filters, const QString& title, |
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137 const QString& filename, const QString& dirname, |
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138 const QString& multimode); |
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139 public slots: |
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140 |
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141 void dialog_button_clicked (QAbstractButton *button); |
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142 |
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143 void list_select_finished (const QIntList& selected, int button_pressed); |
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144 |
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145 void input_finished (const QStringList& input, int button_pressed); |
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146 |
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147 void filedialog_finished (const QStringList& files, const QString& path, |
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148 int filterindex); |
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149 |
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150 private: |
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151 |
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152 int dialog_result; |
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153 QString dialog_button; |
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154 |
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155 // The list could conceivably be big. Not sure how things are |
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156 // stored internally, so keep off of the stack. |
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157 QStringList *string_list; |
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158 QIntList *list_index; |
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159 |
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160 QString *path_name; |
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161 |
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162 }; |
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163 |
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164 extern QUIWidgetCreator uiwidget_creator; |
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165 |
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166 |
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167 class MessageDialog : public QMessageBox |
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168 { |
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169 Q_OBJECT |
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170 |
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171 public: |
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172 |
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173 explicit MessageDialog (const QString& message, const QString& title, |
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174 const QString& icon, const QStringList& button, |
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175 const QString& defbutton, |
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176 const QStringList& role); |
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177 |
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178 private: |
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179 |
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180 void closeEvent (QCloseEvent *) |
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181 { |
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182 // Reroute the close tab to a button click so there is only a single |
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183 // route to waking the wait condition. |
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184 emit buttonClicked (0); |
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185 } |
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186 }; |
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187 |
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188 |
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189 class ListDialog : public QDialog |
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190 { |
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191 Q_OBJECT |
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192 |
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193 QItemSelectionModel *selector; |
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194 |
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195 public: |
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196 |
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197 explicit ListDialog (const QStringList& list, const QString& mode, |
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198 int width, int height, const QList<int>& initial, |
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199 const QString& name, const QStringList& prompt, |
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200 const QString& ok_string, const QString& cancel_string); |
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201 |
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202 ~ListDialog (void); |
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203 |
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204 signals: |
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205 |
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206 void finish_selection (const QIntList&, int); |
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207 |
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208 public slots: |
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209 |
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210 void buttonOk_clicked (void); |
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211 |
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212 void buttonCancel_clicked (void); |
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213 |
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214 void reject (void); |
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215 |
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216 void item_double_clicked (const QModelIndex&); |
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217 |
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218 private: |
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219 |
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220 QAbstractItemModel *model; |
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221 }; |
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222 |
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223 |
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224 class InputDialog : public QDialog |
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225 { |
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226 Q_OBJECT |
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227 |
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228 QList<QLineEdit *> input_line; |
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229 |
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230 public: |
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231 |
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232 explicit InputDialog (const QStringList& prompt, const QString& title, |
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233 const QFloatList& nr, const QFloatList& nc, |
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234 const QStringList& defaults); |
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235 |
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236 signals: |
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237 |
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238 void finish_input (const QStringList&, int); |
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239 |
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240 public slots: |
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241 |
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242 void buttonOk_clicked (void); |
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243 |
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244 void buttonCancel_clicked (void); |
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245 |
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246 void reject (void); |
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247 }; |
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248 |
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249 class FileDialog : public QFileDialog |
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250 { |
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251 Q_OBJECT |
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252 |
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253 public: |
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254 |
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255 explicit FileDialog (const QStringList& filters, |
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256 const QString& title, const QString& filename, |
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257 const QString& dirname, const QString& multimode); |
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258 |
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259 signals: |
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260 |
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261 void finish_input (const QStringList&, const QString&, int); |
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262 |
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263 private slots: |
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264 |
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265 void rejectSelection (void); |
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266 |
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267 void acceptSelection (void); |
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268 }; |
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269 |
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270 #endif |