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annotate libgui/src/octave-dock-widget.cc @ 18180:b3838cedfe04 gui-release

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redesign of dock widgets title bar with configurable colors * octave-dock-widget.cc (constructor): connect settings_changed signal to new slot handle_settings; (handle_settings): common settings for all dock widgets: style sheet, this functions calls notice_settings for individual settings; (make_window,make_widget): change dock-/undock-icon * octave-dock-widget.h: new slot handle_settings * settings-dialog.cc (constructor): check box and color pickers for title bar; (write_changed_settings): store colors to settings file * settings-dialog.h: new color-pickers as class variables * settings-dialog.ui: check box and color pickers for title bar colors
author Torsten <ttl@justmail.de>
date Tue, 31 Dec 2013 13:31:45 +0100
parents 97bde75d4119
children 7952fb0435db
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1 /*
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2
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3 Copyright (C) 2012-2013 Richard Crozier
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4 Copyright (C) 2013 Torsten <ttl@justmail.de>
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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 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #include <QApplication>
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29 #include <QToolBar>
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30 #include <QAction>
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31 #include <QHBoxLayout>
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32 #include <QLabel>
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33 #include <QSettings>
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34
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35 #include "resource-manager.h"
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36 #include "octave-dock-widget.h"
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37
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38
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39 octave_dock_widget::octave_dock_widget (QWidget *p)
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40 : QDockWidget (p)
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41 {
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42
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43 _parent = static_cast<QMainWindow *> (p); // store main window
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44 _floating = false;
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45
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46 connect (this, SIGNAL (visibilityChanged (bool)),
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47 this, SLOT (handle_visibility_changed (bool)));
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48
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49 connect (p, SIGNAL (settings_changed (const QSettings*)),
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50 this, SLOT (handle_settings (const QSettings*)));
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51
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52 #if defined (Q_OS_WIN32)
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53 // windows: add an extra title bar that persists when floating
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54
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55 setFeatures (QDockWidget::DockWidgetMovable); // not floatable or closeable
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56
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57 // the custom (extra) title bar of the widget
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58 _dock_action = new QAction
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59 (QIcon (":/actions/icons/widget-undock.png"), "", this);
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60 _dock_action-> setToolTip (tr ("Undock widget"));
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61 connect (_dock_action, SIGNAL (triggered (bool)),
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62 this, SLOT (change_floating (bool)));
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63 _dock_button = new QToolButton (this);
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64 _dock_button->setDefaultAction (_dock_action);
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65 _dock_button->setFocusPolicy (Qt::NoFocus);
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66 _dock_button->setIconSize (QSize (12,12));
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67
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68 QAction *close_action = new QAction
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69 (QIcon (":/actions/icons/widget-close.png"), "", this );
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70 close_action-> setToolTip (tr ("Hide widget"));
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71 connect (close_action, SIGNAL (triggered (bool)),
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72 this, SLOT (change_visibility (bool)));
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73 _close_button = new QToolButton (this);
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74 _close_button->setDefaultAction (close_action);
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75 _close_button->setFocusPolicy (Qt::NoFocus);
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76 _close_button->setIconSize (QSize (12,12));
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77
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78 QHBoxLayout *h_layout = new QHBoxLayout ();
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79 h_layout->addStretch (100);
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80 h_layout->addWidget (_dock_button);
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81 h_layout->addWidget (_close_button);
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82 h_layout->setSpacing (0);
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83 h_layout->setContentsMargins (5,2,2,2);
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84
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85 _title_widget = new QWidget ();
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86 _title_widget->setLayout (h_layout);
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87 setTitleBarWidget (_title_widget);
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88
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89 #else
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90
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91 // non windows: qt takes control of floating widgets
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92 setFeatures (QDockWidget::DockWidgetMovable |
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93 QDockWidget::DockWidgetClosable |
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94 QDockWidget::DockWidgetFloatable); // floatable and closeable
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95
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96 connect (this, SIGNAL (topLevelChanged (bool)),
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97 this, SLOT (change_floating (bool)));
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98
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99 #endif
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100
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101 // copy & paste handling
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102 connect (p, SIGNAL (copyClipboard_signal ()),
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103 this, SLOT (copyClipboard ()));
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104 connect (p, SIGNAL (pasteClipboard_signal ()),
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105 this, SLOT (pasteClipboard ()));
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106 }
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107
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108 octave_dock_widget::~octave_dock_widget ()
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109 {
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110 // save state of this dock-widget
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111 QString name = objectName ();
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112 QSettings *settings = resource_manager::get_settings ();
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113
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114 settings->beginGroup ("DockWidgets");
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115
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116 #if defined (Q_OS_WIN32)
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117 if (_floating) // widget is floating (windows), save actual floating geometry
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118 settings->setValue (name+"_floating_geometry", geometry ());
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119 else // not floating save docked (normal) geometry
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120 #endif
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121 settings->setValue (name, saveGeometry ());
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122
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123 settings->setValue (name+"Visible", isVisible ()); // store visibility
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124 settings->setValue (name+"Floating", _floating); // store visibility
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125 settings->setValue (name+"_minimized", isMinimized ()); // store minimized
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126
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127 settings->endGroup ();
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128 settings->sync ();
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129 }
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130
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131 // connect signal visibility changed to related slot (called from main-window)
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132 void
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133 octave_dock_widget::connect_visibility_changed (void)
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134 {
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135 connect (this, SIGNAL (visibilityChanged (bool)),
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136 this, SLOT (handle_visibility (bool)));
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137 emit active_changed (isVisible ()); // emit once for init of window menu
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138 }
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139
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140
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141 // set the title in the dockwidgets title bar
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142 void
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143 octave_dock_widget::set_title (const QString& title)
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144 {
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145 #if defined (Q_OS_WIN32)
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146 QHBoxLayout* h_layout =
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147 static_cast<QHBoxLayout *> (titleBarWidget ()->layout ());
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148 QLabel *label = new QLabel (title);
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149 h_layout->insertWidget (0,label);
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150 #endif
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151 setWindowTitle (title);
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152 }
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153
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154 // make the widget floating
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155 void
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156 octave_dock_widget::make_window ()
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157 {
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158 #if defined (Q_OS_WIN32)
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159
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160 // windows: the widget has to be reparented (parent = 0)
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161
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162 QSettings *settings = resource_manager::get_settings ();
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163
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164 // save the docking area and geometry for later redocking
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165 // FIXME: dockWidgetArea always returns 2
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166 settings->setValue ("DockWidgets/" + objectName () + "_dock_area",
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167 _parent->dockWidgetArea (this));
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168 settings->setValue ("DockWidgets/" + objectName (), saveGeometry ());
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169 settings->sync ();
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170
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171 // remove parent and adjust the (un)dock icon
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172 setParent (0, Qt::Window);
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173 _dock_action->setIcon (QIcon (":/actions/icons/widget-dock.png"));
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174 _dock_action->setToolTip (tr ("Dock widget"));
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175
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176 // restore the last geometry( when floating
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177 setGeometry (settings->value ("DockWidgets/" + objectName ()
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178 + "_floating_geometry",QRect(50,100,480,480)).toRect ());
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179
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180 #else
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181
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182 // non windows: Just set the appripriate window flag
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183 setWindowFlags (Qt::Window);
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184
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185 QString css = styleSheet ();
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186 css.replace ("widget-undock.png","widget-dock.png");
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187 setStyleSheet (css);
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188
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189 #endif
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190
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191 _floating = true;
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192 }
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193
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194 // dock the widget
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195 void
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196 octave_dock_widget::make_widget (bool dock)
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197 {
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198 #if defined (Q_OS_WIN32)
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199
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200 // windows: Since floating widget has no parent, we have to readd it
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201
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202 QSettings *settings = resource_manager::get_settings ();
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203
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204 // save last floating geometry if widget really was floating
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205 if (_floating)
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206 settings->setValue ("DockWidgets/" + objectName () + "_floating_geometry",
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207 geometry ());
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208 settings->sync ();
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209
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210 if (dock)
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211 {
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212 // add widget to last saved docking area (dock=true is default)
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213 int area = settings->value ("DockWidgets/" + objectName () + "_dock_area",
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214 Qt::TopDockWidgetArea).toInt ();
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215 _parent->addDockWidget (static_cast<Qt::DockWidgetArea> (area), this);
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216
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217 // FIXME: restoreGeometry is ignored for docked widgets
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218 // and its child widget
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219 restoreGeometry (settings->value
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220 ("DockWidgets/" + objectName ()).toByteArray ());
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221 }
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222 else // only reparent, no docking
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223 setParent (_parent);
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224
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225 // adjust the (un)dock icon
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226 _dock_action->setIcon (QIcon (":/actions/icons/widget-undock.png"));
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227 _dock_action->setToolTip (tr ("Undock widget"));
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228
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229 #else
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230
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231 // non windows: just say we are a docked widget again
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232 setWindowFlags (Qt::Widget);
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233
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234 QString css = styleSheet ();
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235 css.replace ("widget-dock.png","widget-undock.png");
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236 setStyleSheet (css);
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237
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238 #endif
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239
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240 _floating = false;
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241 }
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242
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243 // slot for (un)dock action
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244 void
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245 octave_dock_widget::change_floating (bool)
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246 {
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247 if (_floating)
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248 make_widget ();
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249 else
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250 {
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251 make_window ();
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252 focus ();
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253 }
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254 }
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255
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256 // slot for hiding the widget
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257 void
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258 octave_dock_widget::change_visibility (bool)
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259 {
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260 setVisible (false);
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261 emit active_changed (false);
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262 }
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263
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264 // get focus widget
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265 QWidget *
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266 octave_dock_widget::focusWidget ()
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267 {
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268 QWidget * w = QApplication::focusWidget ();
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269 if (w && w->focusProxy ()) w = w->focusProxy ();
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270 return w;
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271 }
18180
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272
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273 void
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274 octave_dock_widget::handle_settings (const QSettings *settings)
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275 {
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276 QString css;
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277 QString css_button;
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278 QString dock_icon;
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279 if (_floating)
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280 dock_icon = "widget-dock.png";
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281 else
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282 dock_icon = "widget-undock.png";
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283
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284 if (settings->value ("DockWidgets/widget_title_custom_style",false).toBool ())
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285 {
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286
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287 QColor default_var = QColor (0,0,0);
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288 QColor fg_color = settings->value ("Dockwidgets/title_fg_color",
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289 default_var).value<QColor> ();
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290
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291 default_var = QColor (255,255,255);
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292 QColor bg_color = settings->value ("Dockwidgets/title_bg_color",
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293 default_var).value<QColor> ();
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294
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295 QString bg_icon = QString ("transparent");
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296 if (bg_color.lightness () < 128)
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297 bg_icon = fg_color.name ();
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298
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299 #if defined (Q_OS_WIN32)
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300 css = QString ("background: %1; color: %2 ;").
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301 arg (bg_color.name ()).
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302 arg (fg_color.name ());
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303 css_button = QString ("background: %3; border: 0px;").arg (bg_icon);
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304 #else
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305 css = QString ("QDockWidget::title { background: %1;"
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306 " text-align: center left;"
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307 " padding: 0px 0px 0px 4px;}\n"
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308 "QDockWidget { color: %2 ; "
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309 " titlebar-close-icon: url(:/actions/icons/widget-close.png);"
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310 " titlebar-normal-icon: url(:/actions/icons/"+dock_icon+"); }"
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311 "QDockWidget::close-button,"
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312 "QDockWidget::float-button { background: %3; border: 0px;}"
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313 ).
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314 arg (bg_color.name ()).
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315 arg (fg_color.name ()).
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316 arg (bg_icon);
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317 #endif
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318 }
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319 else
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320 {
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321 #if defined (Q_OS_WIN32)
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322 css = QString ("");
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323 css_button = QString ("background: transparent; border: 0px;");
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324 #else
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325 css = QString ("QDockWidget::title { text-align: center left;"
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326 " padding: 0px 0px 0px 4px;}"
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327 "QDockWidget {"
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328 " titlebar-close-icon: url(:/actions/icons/widget-close.png);"
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329 " titlebar-normal-icon: url(:/actions/icons/"+dock_icon+"); }"
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330 "QDockWidget::close-button,"
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331 "QDockWidget::float-button { border: 0px; }"
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332 );
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333 #endif
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334 }
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335
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336 #if defined (Q_OS_WIN32)
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337 _title_widget->setStyleSheet (css);
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338 _dock_button->setStyleSheet (css_button);
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339 _close_button->setStyleSheet (css_button);
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340 #else
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341 setStyleSheet (css);
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342 #endif
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343
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344 notice_settings (settings); // call individual handler
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345 }