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annotate libgui/graphics/SliderControl.cc @ 22411:c69805d1fa64

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maint: Style check C++ code in libgui/ * Backend.cc, Backend.h, BaseControl.cc, BaseControl.h, ButtonControl.cc, ButtonControl.h, ButtonGroup.cc, ButtonGroup.h, Canvas.cc, Canvas.h, CheckBoxControl.cc, CheckBoxControl.h, Container.cc, Container.h, ContextMenu.cc, ContextMenu.h, EditControl.cc, EditControl.h, Figure.cc, Figure.h, FigureWindow.cc, FigureWindow.h, GLCanvas.cc, GLCanvas.h, GenericEventNotify.h, KeyMap.cc, KeyMap.h, ListBoxControl.cc, ListBoxControl.h, Logger.cc, Logger.h, Menu.cc, Menu.h, MenuContainer.h, MouseModeActionGroup.cc, MouseModeActionGroup.h, Object.cc, Object.h, ObjectFactory.cc, ObjectFactory.h, ObjectProxy.cc, ObjectProxy.h, Panel.cc, Panel.h, PopupMenuControl.cc, PopupMenuControl.h, PushButtonControl.cc, PushButtonControl.h, PushTool.cc, PushTool.h, QtHandlesUtils.cc, QtHandlesUtils.h, RadioButtonControl.cc, RadioButtonControl.h, SliderControl.cc, SliderControl.h, TextControl.cc, TextControl.h, TextEdit.cc, TextEdit.h, ToggleButtonControl.cc, ToggleButtonControl.h, ToggleTool.cc, ToggleTool.h, ToolBar.cc, ToolBar.h, ToolBarButton.cc, ToolBarButton.h, __init_qt__.cc, __init_qt__.h, annotation-dialog.cc, annotation-dialog.h, gl-select.cc, gl-select.h, color-picker.cc, color-picker.h, dialog.h, documentation-dock-widget.cc, documentation-dock-widget.h, files-dock-widget.cc, files-dock-widget.h, find-files-dialog.h, find-files-model.cc, find-files-model.h, history-dock-widget.cc, history-dock-widget.h, liboctgui-build-info.h, liboctgui-build-info.in.cc, file-editor-interface.h, file-editor-tab.cc, file-editor-tab.h, file-editor.cc, file-editor.h, find-dialog.cc, find-dialog.h, marker.cc, marker.h, octave-qscintilla.cc, octave-qscintilla.h, octave-txt-lexer.cc, octave-txt-lexer.h, main-window.cc, main-window.h, octave-cmd.cc, octave-cmd.h, octave-dock-widget.cc, octave-dock-widget.h, octave-gui.cc, octave-gui.h, octave-interpreter.cc, octave-interpreter.h, octave-qt-link.cc, octave-qt-link.h, parser.cc, parser.h, webinfo.cc, webinfo.h, resource-manager.cc, resource-manager.h, settings-dialog.cc, settings-dialog.h, shortcut-manager.cc, shortcut-manager.h, terminal-dock-widget.h, thread-manager.cc, thread-manager.h, welcome-wizard.cc, welcome-wizard.h, workspace-model.cc, workspace-model.h, workspace-view.cc, workspace-view.h: Style check C++ code in libgui/
author Rik <rik@octave.org>
date Wed, 31 Aug 2016 12:20:46 -0700
parents bac0d6f07a3e
children 8758addcf265
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2
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3 Copyright (C) 2011-2016 Michael Goffioul
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
21724
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23 #if defined (HAVE_CONFIG_H)
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24 # include "config.h"
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25 #endif
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26
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27 #include <QScrollBar>
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28
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29 #include "Container.h"
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30 #include "SliderControl.h"
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31 #include "QtHandlesUtils.h"
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32
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33 #define RANGE_INT_MAX 1000000
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34
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35 namespace QtHandles
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36 {
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37
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38 SliderControl*
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39 SliderControl::create (const graphics_object& go)
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40 {
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41 Object* parent = Object::parentObject (go);
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42
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43 if (parent)
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44 {
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45 Container* container = parent->innerContainer ();
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46
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47 if (container)
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48 return new SliderControl (go, new QScrollBar (container));
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49 }
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50
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51 return 0;
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52 }
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53
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54 SliderControl::SliderControl (const graphics_object& go,
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55 QAbstractSlider* slider)
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56 : BaseControl (go, slider), m_blockUpdates (false)
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57 {
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58 uicontrol::properties& up = properties<uicontrol> ();
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59
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60 slider->setTracking (false);
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61 Matrix bb = up.get_boundingbox ();
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62 slider->setOrientation (bb(2) > bb(3) ? Qt::Horizontal : Qt::Vertical);
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63 Matrix steps = up.get_sliderstep ().matrix_value ();
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64 slider->setMinimum (0);
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65 slider->setMaximum (RANGE_INT_MAX);
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66 slider->setSingleStep (octave::math::round (steps(0) * RANGE_INT_MAX));
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67 slider->setPageStep (octave::math::round (steps(1) * RANGE_INT_MAX));
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68 Matrix value = up.get_value ().matrix_value ();
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69 if (value.numel () > 0)
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70 {
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71 double dmin = up.get_min (), dmax = up.get_max ();
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72
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73 slider->setValue (octave::math::round (((value(0) - dmin) / (dmax - dmin))
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74 * RANGE_INT_MAX));
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75 }
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76
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77 connect (slider, SIGNAL (valueChanged (int)), SLOT (valueChanged (int)));
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78 }
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79
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80 SliderControl::~SliderControl (void)
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81 {
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82 }
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83
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84 void
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85 SliderControl::update (int pId)
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86 {
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87 uicontrol::properties& up = properties<uicontrol> ();
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88 QScrollBar* slider = qWidget<QScrollBar> ();
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89
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90 switch (pId)
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91 {
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92 case uicontrol::properties::ID_SLIDERSTEP:
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93 {
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94 Matrix steps = up.get_sliderstep ().matrix_value ();
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95
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96 slider->setSingleStep (octave::math::round (steps(0) * RANGE_INT_MAX));
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97 slider->setPageStep (octave::math::round (steps(1) * RANGE_INT_MAX));
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98 }
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99 break;
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100
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101 case uicontrol::properties::ID_VALUE:
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102 {
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103 Matrix value = up.get_value ().matrix_value ();
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104 double dmax = up.get_max (), dmin = up.get_min ();
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105
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106 if (value.numel () > 0)
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107 {
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108 int ival = octave::math::round (((value(0) - dmin) / (dmax - dmin))
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109 * RANGE_INT_MAX);
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110
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111 m_blockUpdates = true;
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112 slider->setValue (ival);
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113 m_blockUpdates = false;
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114 }
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115 }
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116 break;
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117
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118 default:
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119 BaseControl::update (pId);
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120 break;
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121 }
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122 }
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123
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124 void
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125 SliderControl::valueChanged (int ival)
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126 {
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127 if (! m_blockUpdates)
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128 {
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129 gh_manager::auto_lock lock;
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130 graphics_object go = object ();
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131
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132 if (go.valid_object ())
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133 {
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134 uicontrol::properties& up = Utils::properties<uicontrol> (go);
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135
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136 Matrix value = up.get_value ().matrix_value ();
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137 double dmin = up.get_min (), dmax = up.get_max ();
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138
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139 int ival_tmp = (value.numel () > 0 ?
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140 octave::math::round (((value(0) - dmin) / (dmax - dmin))
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141 * RANGE_INT_MAX) :
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142 0);
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143
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144 if (ival != ival_tmp || value.numel () > 0)
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145 {
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146 double dval = dmin + (ival * (dmax - dmin) / RANGE_INT_MAX);
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147
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148 gh_manager::post_set (m_handle, "value", octave_value (dval));
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149 gh_manager::post_callback (m_handle, "callback");
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150 }
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151 }
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152 }
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153 }
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155 }; // namespace QtHandles
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156