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annotate libgui/src/color-picker.cc @ 31646:c6d54dd31a7e stable

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maint: Use macros to begin/end C++ namespaces. * 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, Object.cc, Object.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, Table.cc, Table.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, annotation-dialog.cc, annotation-dialog.h, gl-select.cc, gl-select.h, qopengl-functions.h, qt-graphics-toolkit.cc, qt-graphics-toolkit.h, QTerminal.h, color-picker.cc, color-picker.h, command-widget.cc, command-widget.h, community-news.cc, community-news.h, dialog.cc, dialog.h, documentation-bookmarks.cc, documentation-bookmarks.h, documentation-dock-widget.cc, documentation-dock-widget.h, documentation.cc, documentation.h, dw-main-window.cc, dw-main-window.h, external-editor-interface.cc, external-editor-interface.h, files-dock-widget.cc, files-dock-widget.h, find-files-dialog.cc, find-files-dialog.h, find-files-model.cc, find-files-model.h, graphics-init.cc, graphics-init.h, gui-settings.cc, gui-settings.h, gui-utils.cc, gui-utils.h, history-dock-widget.cc, history-dock-widget.h, interpreter-qobject.cc, interpreter-qobject.h, led-indicator.cc, led-indicator.h, 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, news-reader.cc, news-reader.h, octave-dock-widget.cc, octave-dock-widget.h, octave-qobject.cc, octave-qobject.h, qt-application.cc, qt-application.h, qt-interpreter-events.cc, qt-interpreter-events.h, qt-utils.h, release-notes.cc, release-notes.h, resource-manager.cc, resource-manager.h, set-path-dialog.cc, set-path-dialog.h, set-path-model.cc, set-path-model.h, settings-dialog.cc, settings-dialog.h, shortcut-manager.cc, shortcut-manager.h, tab-bar.cc, tab-bar.h, terminal-dock-widget.cc, terminal-dock-widget.h, variable-editor-model.cc, variable-editor-model.h, variable-editor.cc, variable-editor.h, welcome-wizard.cc, welcome-wizard.h, workspace-model.cc, workspace-model.h, workspace-view.cc, workspace-view.h: Use new macros to begin/end C++ namespaces.
author John W. Eaton <jwe@octave.org>
date Tue, 06 Dec 2022 14:37:51 -0500
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children 29d734430e5f
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // This class provides a simple color picker based on tQColorButton
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4 // by Harald Jedele, 23.03.01, GPL version 2 or any later version.
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5 //
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6 // Copyright (C) 2013-2022 The Octave Project Developers
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7 //
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8 // See the file COPYRIGHT.md in the top-level directory of this
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9 // distribution or <https://octave.org/copyright/>.
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10 //
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11 // This file is part of Octave.
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12 //
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13 // Octave is free software: you can redistribute it and/or modify it
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14 // under the terms of the GNU General Public License as published by
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15 // the Free Software Foundation, either version 3 of the License, or
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16 // (at your option) any later version.
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17 //
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18 // Octave is distributed in the hope that it will be useful, but
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19 // WITHOUT ANY WARRANTY; without even the implied warranty of
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20 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 // GNU General Public License for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with Octave; see the file COPYING. If not, see
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25 // <https://www.gnu.org/licenses/>.
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26 //
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27 ////////////////////////////////////////////////////////////////////////
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28
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29 #if defined (HAVE_CONFIG_H)
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30 # include "config.h"
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31 #endif
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32
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33 #include "color-picker.h"
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34
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35 OCTAVE_BEGIN_NAMESPACE(octave)
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36
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37 // Constructor with initial color as parameter
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38 color_picker::color_picker (QColor old_color, QWidget *p)
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39 : QPushButton (p)
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40 {
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41 m_color = old_color;
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42 setFlat (true);
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43 setFocusPolicy (Qt::NoFocus); // no focus, would change the color
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44 update_button ();
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45 connect (this, &color_picker::clicked, this, &color_picker::select_color);
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46 }
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47
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48 // Slot for button clicked: select a new color using QColorDialog
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49 void color_picker::select_color (void)
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50 {
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51 QColor new_color = QColorDialog::getColor (m_color);
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52
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53 if (new_color.isValid () && new_color != m_color)
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54 {
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55 m_color = new_color;
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56 update_button ();
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57 }
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58 }
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59
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60 // Set the color of the button
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61 void color_picker::set_color (QColor new_color)
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62 {
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63 m_color = new_color;
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64 update_button ();
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65 }
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66
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67 // Draw the button with the actual color (using a stylesheet)
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68 void color_picker::update_button (void)
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69 {
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70 // Is this the right place to look for a "foreground" color that would
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71 // provide a reasonable border for the color swatches?
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72 QWidget *p = parentWidget ();
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73
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74 QString bordercolor
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75 = (p ? p->palette ().text ().color ().name () : QString ("#000000"));
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76
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77 setStyleSheet (QString ("background-color: %1; border: 1px solid %2;")
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78 .arg (m_color.name ())
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79 .arg (bordercolor));
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80
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81 repaint ();
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82 }
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83
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84 OCTAVE_END_NAMESPACE(octave)