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annotate libgui/src/color-picker.cc @ 20654:b65888ec820e draft default tip gccjit

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dmalcom gcc jit import
author Stefan Mahr <dac922@gmx.de>
date Fri, 27 Feb 2015 16:59:36 +0100
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1 //
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2 // This class provides a simple color picker based on tQColorButton
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3 // by Harald Jedele, 23.03.01, GPL version 2 or any later version.
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4 //
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5 // Copyright (C) FZI Forschungszentrum Informatik Karlsruhe
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6 // Copyright (C) 2013-2015 Torsten
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software; you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by the
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12 // Free Software Foundation; either version 3 of the License, or (at your
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13 // option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but WITHOUT
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16 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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18 // for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <http://www.gnu.org/licenses/>.
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23 //
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24
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25 // Author: Torsten <ttl@justmail.de>
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26
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27 #ifdef HAVE_CONFIG_H
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28 #include <config.h>
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29 #endif
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30
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31 #include "color-picker.h"
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32
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33 // constuctor with initial color as parameter
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34 color_picker::color_picker (QColor old_color, QWidget* p) : QPushButton (p)
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35 {
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36 _color = old_color;
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37 setFlat (true);
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38 setFocusPolicy (Qt::NoFocus); // no focus, would changes the color
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39 update_button ();
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40 connect (this, SIGNAL (clicked ()), SLOT (select_color ()));
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41 }
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42
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43 // slot for bitton clicked: selct a new color using QColorDialog
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44 void
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45 color_picker::select_color ()
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46 {
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47 QColor new_color = QColorDialog::getColor (_color);
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48 if (new_color.isValid () && new_color != _color)
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49 {
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50 _color = new_color;
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51 update_button ();
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52 }
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53 }
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54
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55 // draw the button with the actual color (using a stylesheet)
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56 void color_picker::update_button ()
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57 {
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58 // Is this the right place to look for a "foreground" color that would
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59 // provide a reasonable border for the color swatches?
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60 QWidget *p = parentWidget ();
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61
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62 QString bordercolor
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63 = p ? p->palette ().text ().color ().name () : QString ("#000000");
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64
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65 QString css = QString ("background-color: %1; border: 1px solid %2;")
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66 .arg (_color.name ())
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67 .arg (bordercolor);
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68
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69 setStyleSheet (css);
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70 repaint ();
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71 }