Mercurial > octave

annotate libgui/graphics/SliderControl.cc @ 23449:c763214a8260

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maint: Use convention 'int *x' for naming pointers. * mycell.c, myfeval.c, mypow2.c, myprop.c, myset.c, mystruct.c, 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, 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, color-picker.cc, file-editor-tab.cc, file-editor.cc, file-editor.h, find-dialog.cc, find-dialog.h, octave-qscintilla.cc, main-window.cc, main-window.h, octave-cmd.cc, octave-dock-widget.cc, parser.cc, shortcut-manager.cc, workspace-view.cc, __ichol__.cc, __ilu__.cc, __magick_read__.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, cellfun.cc, data.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, ls-hdf5.cc, ls-hdf5.h, ls-mat5.cc, mex.h, oct-map.cc, oct-map.h, oct-stream.cc, octave-link.cc, profiler.cc, profiler.h, psi.cc, qz.cc, sighandlers.cc, symtab.h, txt-eng.h, zfstream.cc, zfstream.h, __init_fltk__.cc, audiodevinfo.cc, gzip.cc, ov-class.cc, ov-classdef.cc, ov-classdef.h, ov-dld-fcn.h, ov-fcn-inline.cc, ov-java.cc, ov-java.h, ov.cc, pt-arg-list.cc, pt-array-list.cc, pt-bp.cc, pt-check.cc, pt-classdef.h, pt-decl.cc, pt-eval.cc, pt-idx.cc, pt-idx.h, pt-jit.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, Array.cc, Array.h, CMatrix.cc, MSparse.cc, Sparse.h, dMatrix.cc, dim-vector.h, fCMatrix.cc, fMatrix.cc, CollocWt.cc, bsxfun-defs.cc, eigs-base.cc, gsvd.cc, gsvd.h, lo-lapack-proto.h, oct-norm.cc, randmtzig.cc, svd.cc, svd.h, mx-inlines.cc, oct-binmap.h, oct-sort.cc, oct-sort.h, oct-string.cc, oct-string.h, sparse-sort.cc, sparse-sort.h: Use convention 'int *x' for naming pointers.
author Rik <rik@octave.org>
date Thu, 27 Apr 2017 15:18:20 -0700
parents 7b95435e96a4
children 980f39c3ab90
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) 2011-2017 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
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9 the Free Software Foundation; either version 3 of the License, or
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10 (at your 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
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License 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
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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 bool vertical_slider = ( bb(2) < bb(3) );
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63 slider->setOrientation (vertical_slider ? Qt::Vertical : Qt::Horizontal);
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64 if (vertical_slider)
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65 slider->setInvertedAppearance (true); // Matlab compatibility
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66 Matrix steps = up.get_sliderstep ().matrix_value ();
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67 slider->setMinimum (0);
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68 slider->setMaximum (RANGE_INT_MAX);
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69 slider->setSingleStep (octave::math::round (steps(0) * RANGE_INT_MAX));
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70 slider->setPageStep (octave::math::round (steps(1) * RANGE_INT_MAX));
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71 Matrix value = up.get_value ().matrix_value ();
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72 if (value.numel () > 0)
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73 {
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74 double dmin = up.get_min (), dmax = up.get_max ();
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75
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76 slider->setValue (octave::math::round (((value(0) - dmin) / (dmax - dmin))
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77 * RANGE_INT_MAX));
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78 }
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79
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80 connect (slider, SIGNAL (valueChanged (int)), SLOT (valueChanged (int)));
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81 }
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82
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83 SliderControl::~SliderControl (void)
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84 { }
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85
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86 void
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87 SliderControl::update (int pId)
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88 {
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89 uicontrol::properties& up = properties<uicontrol> ();
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90 QScrollBar *slider = qWidget<QScrollBar> ();
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91
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92 switch (pId)
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93 {
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94 case uicontrol::properties::ID_SLIDERSTEP:
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95 {
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96 Matrix steps = up.get_sliderstep ().matrix_value ();
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97
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98 slider->setSingleStep (octave::math::round (steps(0) * RANGE_INT_MAX));
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99 slider->setPageStep (octave::math::round (steps(1) * RANGE_INT_MAX));
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100 }
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101 break;
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102
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103 case uicontrol::properties::ID_VALUE:
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104 {
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105 Matrix value = up.get_value ().matrix_value ();
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106 double dmax = up.get_max (), dmin = up.get_min ();
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107
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108 if (value.numel () > 0)
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109 {
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110 int ival = octave::math::round (((value(0) - dmin) / (dmax - dmin))
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111 * RANGE_INT_MAX);
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112
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113 m_blockUpdates = true;
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114 slider->setValue (ival);
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115 m_blockUpdates = false;
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116 }
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117 }
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118 break;
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119
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120 default:
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121 BaseControl::update (pId);
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122 break;
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123 }
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124 }
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125
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126 void
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127 SliderControl::valueChanged (int ival)
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128 {
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129 if (! m_blockUpdates)
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130 {
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131 gh_manager::auto_lock lock;
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132 graphics_object go = object ();
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133
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134 if (go.valid_object ())
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135 {
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136 uicontrol::properties& up = Utils::properties<uicontrol> (go);
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137
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138 Matrix value = up.get_value ().matrix_value ();
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139 double dmin = up.get_min (), dmax = up.get_max ();
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140
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141 int ival_tmp = (value.numel () > 0 ?
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142 octave::math::round (((value(0) - dmin) / (dmax - dmin))
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143 * RANGE_INT_MAX) :
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144 0);
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145
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146 if (ival != ival_tmp || value.numel () > 0)
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147 {
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148 double dval = dmin + (ival * (dmax - dmin) / RANGE_INT_MAX);
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149
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150 gh_manager::post_set (m_handle, "value", octave_value (dval));
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151 gh_manager::post_callback (m_handle, "callback");
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152 }
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153 }
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154 }
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155 }
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156
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157 }