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annotate libgui/src/dialog.h @ 16579:7f8db1942dc0

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Add Qt link uigetfile dialog implementation. * libgui/src/octave-qt-link.cc, libgui/src/octave-qt-link.h, (octave_qt_link::do_file_dialog): New function. (make_filter_list): New function. * libinterp/interpfcn/octave-link.cc (__octave_link_file_dialog__): New function. * libinterp/interpfcn/octave-link.h: (octave_link::file_dialog): New function. (octave_link::do_file_dialog): New virtual function. * scripts/plot/uigetfile.m: update to call octave_link file dialog if octave link is present. * libgui/src/dialog.cc, libgui/src/dialog.h (class FileDialog): New class. (QUIWidgetCreator::QUIWidgetCreator): added initialization of new var path_name. (QUIWidgetCreator::signal_filedialog): New function. (QUIWidgetCreator::create_filedialog): New function. (QUIWidgetCreator::filedialog_finished): New function. (QUIWidgetCreator::get_dialog_path): New function. * libgui/src/main-window.cc, libgui/src/main-window.h (main_window::connect_uiwidget_links): Added connect for handle_file_dialog. (main_window::handle_create_filedialog): New function.
author John Donoghue <john.donoghue@ieee.org>
date Sun, 28 Apr 2013 09:45:19 -0400
parents e4b94abfeb96
children adc150db1809
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1 /*
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2
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3 Copyright (C) 2013 John W. Eaton
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4 Copyright (C) 2013 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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Daniel J Sebald <daniel.sebald@ieee.org>, John W. Eaton <jwe@octave.org>
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9 under the terms of the GNU General Public License as published by the
7f2395651a1c dialog boxes with Qt widgets
Daniel J Sebald <daniel.sebald@ieee.org>, John W. Eaton <jwe@octave.org>
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10 Free Software Foundation; either version 3 of the License, or (at your
7f2395651a1c dialog boxes with Qt widgets
Daniel J Sebald <daniel.sebald@ieee.org>, John W. Eaton <jwe@octave.org>
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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
7f2395651a1c dialog boxes with Qt widgets
Daniel J Sebald <daniel.sebald@ieee.org>, John W. Eaton <jwe@octave.org>
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
7f2395651a1c dialog boxes with Qt widgets
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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_guifcn_dialog_h)
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25 #define octave_guifcn_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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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 bool multiselect)
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110 {
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111 emit create_filedialog (filters, title, filename, dirname, multiselect);
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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 void wait (void)
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118 {
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119 // Wait while the user is responding to message box.
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120 waitcondition.wait (&mutex);
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121 }
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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,
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137 const QString &title,
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138 const QString &filename,
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139 const QString &dirname,
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140 bool multiselect);
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141 public slots:
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142
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143 void dialog_button_clicked (QAbstractButton *button);
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144
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145 void list_select_finished (const QIntList& selected,
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146 const int button_pressed);
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147
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148 void input_finished (const QStringList& input, const int button_pressed);
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149
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150 void filedialog_finished (const QStringList& files, const QString &path, const int filterindex);
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151
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152 private:
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153
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154 int dialog_result;
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155 QString dialog_button;
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156
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157 // The list could conceivably be big. Not sure how things are
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158 // stored internally, so keep off of the stack.
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159 QStringList *string_list;
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160 QIntList *list_index;
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161
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162 QString * path_name;
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163
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164 // GUI objects cannot be accessed in the non-GUI thread. However,
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165 // signals can be sent to slots across threads with proper
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166 // synchronization. Hence, the use of QWaitCondition.
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167
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168 QMutex mutex;
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169
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170 QWaitCondition waitcondition;
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171 };
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172
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173 extern QUIWidgetCreator uiwidget_creator;
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174
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175
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176 class MessageDialog : public QMessageBox
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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
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182 explicit MessageDialog (const QString& message, const QString& title,
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183 const QString& icon, const QStringList& button,
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184 const QString& defbutton,
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185 const QStringList& role);
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186
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187 private:
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188
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189 void closeEvent (QCloseEvent *)
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190 {
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191 // Reroute the close tab to a button click so there is only a single
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192 // route to waking the wait condition.
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193 emit buttonClicked (0);
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194 }
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195 };
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196
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197
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198 class ListDialog : public QDialog
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199 {
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200 Q_OBJECT
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201
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202 QItemSelectionModel *selector;
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203
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204 public:
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205
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206 explicit ListDialog (const QStringList& list, const QString& mode,
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207 int width, int height, const QList<int>& initial,
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208 const QString& name, const QStringList& prompt,
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209 const QString& ok_string, const QString& cancel_string);
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210
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211 signals:
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212
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213 void finish_selection (const QIntList&, const int);
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214
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215 public slots:
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216
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217 void buttonOk_clicked (void);
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218
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219 void buttonCancel_clicked (void);
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220
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221 void reject (void);
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222 };
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223
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224
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225 class InputDialog : public QDialog
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226 {
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227 Q_OBJECT
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228
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229 QList<QLineEdit *> input_line;
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230
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231 public:
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232
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233 explicit InputDialog (const QStringList& prompt, const QString& title,
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234 const QFloatList& nr, const QFloatList& nc,
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235 const QStringList& defaults);
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236
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237 signals:
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238
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239 void finish_input (const QStringList&, const int);
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240
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241 public slots:
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242
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243 void buttonOk_clicked (void);
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244
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245 void buttonCancel_clicked (void);
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246
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247 void reject (void);
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248 };
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249
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250 class FileDialog : public QFileDialog
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251 {
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252 Q_OBJECT
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253
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254 public:
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255
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256 explicit FileDialog (const QStringList &filters,
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257 const QString& title, const QString& filename,
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258 const QString& dirname, bool multiselect);
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259
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260 signals:
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261
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262 void finish_input (const QStringList&, const QString &, const int);
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263
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264 private slots:
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265 void reject();
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266 void accept();
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267
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268 };
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269
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270 #endif