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1 // Written in the D programming language
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2 // www.digitalmars.com/d/
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3
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4 /*
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5 * The contents of this file are subject to the Mozilla Public License Version
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6 * 1.1 (the "License"); you may not use this file except in compliance with
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7 * the License. You may obtain a copy of the License at
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8 * http://www.mozilla.org/MPL/
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9 *
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10 * Software distributed under the License is distributed on an "AS IS" basis,
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11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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12 * for the specific language governing rights and limitations under the
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13 * License.
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14 *
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15 * The Original Code is the Dynamin library.
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16 *
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17 * The Initial Developer of the Original Code is Jordan Miner.
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18 * Portions created by the Initial Developer are Copyright (C) 2007-2009
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19 * the Initial Developer. All Rights Reserved.
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20 *
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21 * Contributor(s):
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22 * Jordan Miner <jminer7@gmail.com>
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23 *
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24 */
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25
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26 module dynamin.gui.theme;
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27
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28 import dynamin.core.string;
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29 import dynamin.all_painting;
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30 import dynamin.all_gui;
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31 import dynamin.c.cairo;
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32 import tango.stdc.stdlib;
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33
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34 /**
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35 * Draws a rectangle with 1 pixel wide lines inside the specified bounds. The
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36 * left and top are drawn with the first color, and the right and
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37 * bottom are drawn with the second color.
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38 */
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39 void draw3dRectangle(Graphics g, real x, real y, real width, real height,
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40 Color c1, Color c2) {
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41 g.lineWidth = 1;
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42
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43 g.source = c1;
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44 g.moveTo(x+0.5, y+height-1);
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45 g.lineTo(x+0.5, y+0.5);
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46 g.lineTo(x+width-1, y+0.5);
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47 g.stroke();
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48
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49 g.source = c2;
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50 g.moveTo(x+width-0.5, y);
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51 g.lineTo(x+width-0.5, y+height-0.5);
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52 g.lineTo(x, y+height-0.5);
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53 g.stroke();
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54 }
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55
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56 void drawCheckerboard(Graphics g, real x, real y, real width, real height,
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57 Color c1, Color c2, int squareSize = 1) {
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58 drawCheckerboard(g, Rect(x, y, width, height), c1, c2, squareSize);
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59 }
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60 void drawCheckerboard(Graphics g, Rect rect,
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61 Color c1, Color c2, int squareSize = 1) {
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62 int width = cast(int)rect.width;
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63 int height = cast(int)rect.height;
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64 auto format = c1.A == 255 && c2.A == 255 ?
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65 CAIRO_FORMAT_RGB24 : CAIRO_FORMAT_ARGB32;
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66 int* data = cast(int*)malloc(width*height*4);
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67 scope(exit) free(data);
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68 c1.R = c1.R*c1.A/255;
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69 c1.G = c1.G*c1.A/255;
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70 c1.B = c1.B*c1.A/255;
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71 c2.R = c2.R*c2.A/255;
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72 c2.G = c2.G*c2.A/255;
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73 c2.B = c2.B*c2.A/255;
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74 int pixel1 = *cast(int*)&c1;
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75 int pixel2 = *cast(int*)&c2;
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76
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77 bool oddRow;
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78 int squareSize2 = squareSize * 2;
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79 for(int i = 0; i < height; ++i) {
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80 oddRow = i % squareSize2 < squareSize;
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81 for(int j = 0; j < width; ++j) {
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82 if(oddRow ^ j % squareSize2 < squareSize)
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83 data[j+i*width] = pixel1;
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84 else
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85 data[j+i*width] = pixel2;
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86 }
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87 }
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88
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89 auto surface = cairo_image_surface_create_for_data(cast(char*)data, format, width, height, width*4);
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90 g.save();
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91 cairo_set_source_surface(g.handle, surface, rect.x, rect.y);
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92 g.rectangle(rect);
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93 g.fill();
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94 g.restore();
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95 cairo_surface_destroy(surface);
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96 }
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97
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98 abstract class Theme {
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99 static {
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100 int _curIndex = 0;
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101 Theme[] _themes;
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102 Theme[] getAll() { return _themes.dup; }
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103 void add(Theme theme) { // TODO: rename to register()?
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104 _themes.length = _themes.length+1;
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105 _themes[$-1] = theme;
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106 }
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107 Theme current() { return _themes[_curIndex]; }
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108 void current(Theme theme) {
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109 foreach(i, t; _themes) {
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110 if(t is theme) {
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111 _curIndex = i;
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112 // TODO: relayout all windows
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113 }
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114 }
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115 }
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116 //Theme system() { return ; }
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117 }
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118 string name();
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119
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120 //all theme methods follow
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121
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122 // TODO: need to have bestSize, BorderSize, foreColor, backColor,
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123 // Font, and Paint for all controls
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124 // TODO: have default imps for foreColor, backColor, and Font:
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125 // { return Control_ForeColor; }
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126 // { return Control_Font; }
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127 void Window_paint(Window c, Graphics g);
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128 Size Button_bestSize(Button c);
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129 void Button_paint(Button c, Graphics g);
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130 void CheckBox_paint(CheckBox c, Graphics g);
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131 void RadioButton_paint(CheckBox c, Graphics g);
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132 void ScrollBarTrack_paint(ScrollBarTrack c, Graphics g);
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133 void ScrollBarThumb_paint(ScrollBarThumb c, Graphics g);
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134 real ScrollBar_size();
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135 void ArrowButton_paint(ArrowButton c, Graphics g);
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136 BorderSize Scrollable_borderSize(Scrollable c);
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137 void Scrollable_paint(Scrollable c, Graphics g);
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138 BorderSize Notebook_borderSize(Notebook c);
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139 void Tab_paint(TabPage page, Notebook c, Graphics g);
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140 void Notebook_paint(Notebook c, Graphics g);
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141 }
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142
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143
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