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annotate mde/gui/renderer/SimpleRenderer.d @ 147:075705ad664a

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Added a border widget.
author Diggory Hardy <diggory.hardy@gmail.com>
date Wed, 11 Feb 2009 13:02:30 +0000
parents 2ac3e0012788
children 55667d048c31
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1 /* LICENSE BLOCK
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2 Part of mde: a Modular D game-oriented Engine
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3 Copyright © 2007-2008 Diggory Hardy
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4
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5 This program is free software: you can redistribute it and/or modify it under the terms
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6 of the GNU General Public License as published by the Free Software Foundation, either
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7 version 2 of the License, or (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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10 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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11 See the GNU General Public License for more details.
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12
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13 You should have received a copy of the GNU General Public License
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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15
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16 /** A simple renderer. */
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17 module mde.gui.renderer.SimpleRenderer;
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18
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19 import mde.gui.renderer.IRenderer;
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20
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21 import derelict.opengl.gl;
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22 import mde.font.font;
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23
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24 /** Interface for renderers.
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25 *
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26 * Renderers provide unified drawing methods for widget, e.g. to draw a window background, a frame,
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27 * or a button. The renderer will effectively be synonymous with the theme, except that a scripted
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28 * renderer may also be available.
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29 *
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30 * The renderer is intended to be per-GUI. */
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31 class SimpleRenderer : IRenderer
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32 {
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33 this () {
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34 defaultFont = FontStyle.getDefault;
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35 }
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36
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37 alias Border.BTYPE BTYPE;
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38 override Border getBorder (BTYPE type, bool wS, bool hS) {
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39 Border border;
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40 with (border) {
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41 if (type & BTYPE.RESIZE) {
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42 if (wS) capability = RESIZE.X1 | RESIZE.X2;
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43 if (hS) capability |= RESIZE.Y1 | RESIZE.Y2;
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44 }
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45 if (type & BTYPE.LARGE) {
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46 y1 = 12;
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47 y2 = 6;
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48 }
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49 else if (type & BTYPE.SMALL)
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50 y1 = y2 = 4;
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51 x1 = x2 = y2;
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52 }
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53 return border;
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54 }
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55
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56 override wdim layoutSpacing () {
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57 return 5;
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58 }
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61 //FIXME - make these do something
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62 // They should restrict the drawing of floating widgets to the floating area, for instance,
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63 // although this isn't strictly necessary.
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64 override void restrict (wdim x, wdim y, wdim w, wdim h) {}
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65 override void relax () {}
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66
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67 override void drawBorder (Border* border, wdim x, wdim y, wdim w, wdim h) {
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68 glColor3f (0f, 0f, .8f);
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69 glRecti(x, y+h, x+w, y);
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71 if (border.capability != 0) {
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72 glColor3f (0f, 0f, .6f);
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73 glBegin (GL_TRIANGLES);
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74 wdim t = border.x1 + border.y1;
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75 glVertex2i (x, y);
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76 glVertex2i (x+t, y);
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77 glVertex2i (x, y+t);
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78
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79 t = border.x2 + border.y1;
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80 glVertex2i (x+w, y);
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81 glVertex2i (x+w, y+t);
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82 glVertex2i (x+w-t, y);
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83
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84 t = border.x2 + border.y2;
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85 glVertex2i (x+w, y+h);
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86 glVertex2i (x+w-t, y+h);
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87 glVertex2i (x+w, y+h-t);
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88
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89 t = border.x1 + border.y2;
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90 glVertex2i (x, y+h);
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91 glVertex2i (x, y+h-t);
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92 glVertex2i (x+t, y+h);
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93 glEnd ();
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94 }
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95
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96 //glColor3f (0f, 0f, 0f);
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97 //glRecti(x+border.x1, y+h-border.y2, x+w-border.x2, y+border.y1);
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98 }
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99
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100 override void drawSpacers (wdabs x, wdabs y, wdsize w, wdsize h, wdims cols, wdims rows) {
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101 glColor3f (.2f, .2f, .2f);
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102 glBegin (GL_LINES);
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103 wdabs t = x - cast(wdim) 3;
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104 foreach (col; cols) {
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105 glVertex2i (t + col, y);
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106 glVertex2i (t + col, y + h);
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107 }
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108 t = y - cast(wdim) 3;
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109 foreach (row; rows) {
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110 glVertex2i (x, t + row);
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111 glVertex2i (x + w, t + row);
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112 }
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113 glEnd ();
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114 }
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115
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116 override void drawWidgetBack (wdim x, wdim y, wdim w, wdim h) {
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117 debug {
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118 glColor3f (0f, .2f, .2f);
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119 glRecti (x,y+h, x+w,y);
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120 }
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121 }
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123 override void drawBlank (wdim x, wdim y, wdim w, wdim h) {
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124 glColor3f (.4f, .4f, .4f);
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125 glRecti(x, y+h, x+w, y);
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126 }
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127
114
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128 override void drawButton (wdim x, wdim y, wdim w, wdim h, bool pushed) {
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129 if (pushed)
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130 glColor3f (1f, 0f, 1f);
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131 else
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132 glColor3f (.6f, 0f, .6f);
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133 glRecti(x, y+h, x+w, y);
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134 }
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135
114
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136 override wdimPair getToggleSize () {
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137 wdimPair r;
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138 r.x = 16;
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139 r.y = 16;
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140 return r;
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141 }
114
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142 override void drawToggle (wdim x, wdim y, bool state, bool pushed) {
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143 float c = pushed ? .7f : .5f;
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144 if (state)
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145 glColor3f (0f, c, 0f);
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146 else
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147 glColor3f (c, 0f, 0f);
143
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148 glRecti (x,y+16, x+16,y);
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149 }
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150
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151 override wdimPair getSliderSize () {
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152 wdimPair r;
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153 r.x = 20;
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154 r.y = 16;
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155 return r;
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156 }
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157 override void drawSlider (wdim x, wdim y, wdim w, double proportion) {
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158 glColor3f (0f, 0f, .5f);
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159 glRecti (x,y+16, x+cast(wdim) (proportion*w),y);
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160 }
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161
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162 override TextAdapter getAdapter (int col) {
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163 TextAdapter a;
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164 a.font = defaultFont;
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165 a.colour_ = Colour (col);
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166 a.index_ = size_t.max;
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167 return a;
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168 }
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169
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170 protected:
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171 FontStyle defaultFont;
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172 }