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annotate examples/dynamic/main.c @ 201:31933f9ee70e

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Chkec in demo for dynamic rectangle creation and button.
author wycc@wycc-desktop
date Sun, 07 Dec 2008 18:00:06 +0800
parents
children 8d9d717c9300
rev   line source
201
31933f9ee70e Chkec in demo for dynamic rectangle creation and button.
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1 /*! \file
31933f9ee70e Chkec in demo for dynamic rectangle creation and button.
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2 *
31933f9ee70e Chkec in demo for dynamic rectangle creation and button.
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3 * svg2code_ex is an example that show programmers how to create a
31933f9ee70e Chkec in demo for dynamic rectangle creation and button.
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4 * menu with MadButterfly.
31933f9ee70e Chkec in demo for dynamic rectangle creation and button.
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5 *
31933f9ee70e Chkec in demo for dynamic rectangle creation and button.
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6 */
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7 #include <stdio.h>
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8 #include <mb.h>
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9 #include "menu.h"
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10 #include "button.h"
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11
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12
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13 typedef struct _engine engine_t;
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14 struct _engine {
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15 X_MB_runtime_t *rt;
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16 redraw_man_t *rdman;
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17 menu_t *menu;
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18 button_t *button;
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19 int state;
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20 co_aix orx,ory;
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21 int start_x,start_y;
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22 observer_t *obs1,*obs2;
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23 shape_t *rect;
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24 co_aix rx,ry;
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25 };
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26 engine_t *engine_init()
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27 {
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28
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29 X_MB_runtime_t *rt;
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30 rt = X_MB_new(":0.0", 800, 600);
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31 engine_t *en = (engine_t *) malloc(sizeof(engine_t));
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32
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33 en->rt = rt;
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34 en->rdman = X_MB_rdman(rt);
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35 return en;
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36 }
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37
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38 void engine_close(engine_t *en)
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39 {
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40 /*
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41 * Start handle connections, includes one to X server.
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42 * User start to interact with the application.
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43 */
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44 X_MB_handle_connection(en->rt);
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45
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46 /*
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47 * Clean
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48 */
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49 menu_free(en->menu);
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50 X_MB_free(en->rt);
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51 free(en);
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52 }
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53 #define COORD_SHOW(group) coord_show(group);rdman_coord_changed(en->rdman, group)
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54 #define COORD_HIDE(group) coord_hide(group);rdman_coord_changed(en->rdman, group)
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55
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56 #define CMOUSE(e) (coord_get_mouse_event(e))
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57
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58
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59
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60 static void button_move(event_t *evt, void *arg)
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61 {
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62 engine_t *en = (engine_t *) arg;
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63
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64
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65 printf("Mouse move\n");
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66 COORD_SHOW(en->button->active);
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67 rdman_coord_changed(en->rdman,en->button->root_coord);
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68 rdman_redraw_changed(en->rdman);
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69 }
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70 static void button_out(event_t *evt, void *arg)
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71 {
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72 engine_t *en = (engine_t *) arg;
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73
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74 printf("mouse out\n");
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75 COORD_HIDE(en->button->active);
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76 rdman_coord_changed(en->rdman,en->button->root_coord);
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77 rdman_redraw_changed(en->rdman);
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78 }
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79
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80 void button_pressed(event_t *evt, void *arg)
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81 {
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82 printf("Pressed\n");
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83 }
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84
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85 void engine_add_button(engine_t *en, coord_t *normal, coord_t *active, void (*func)())
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86 {
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87 active->matrix[2] = 200;
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88 active->matrix[5] = 200;
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89 normal->matrix[2] = 200;
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90 normal->matrix[5] = 200;
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91 COORD_HIDE(en->button->active);
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92 rdman_coord_changed(en->rdman,en->button->root_coord);
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93 rdman_redraw_changed(en->rdman);
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94 subject_add_event_observer(CMOUSE(normal), EVT_MOUSE_MOVE, button_move,en);
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95 subject_add_event_observer(CMOUSE(active), EVT_MOUSE_OUT, button_out,en);
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96 subject_add_event_observer(CMOUSE(active), EVT_MOUSE_BUT_RELEASE, button_pressed,en);
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97 }
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98
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99
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100 void coord_move(coord_t *c, co_aix x, co_aix y)
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101 {
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102 c->matrix[2] = x;
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103 c->matrix[5] = y;
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104 }
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105
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106
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107
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108 static void add_rect_move(event_t *evt, void *arg)
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109 {
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110 engine_t *en = (engine_t *) arg;
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111 mouse_event_t *mev = (mouse_event_t *) evt;
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112
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113 printf("resize rectangle\n");
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114 sh_rect_set(en->rect, en->start_x, en->start_y, mev->x - en->start_x, mev->y-en->start_y,en->rx,en->ry);
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115 rdman_shape_changed(en->rdman,en->rect);
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116 rdman_redraw_changed(en->rdman);
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117 }
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118
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119 static void add_rect_release(event_t *evt, void *arg)
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120 {
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121 engine_t *en = (engine_t *) arg;
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122 mouse_event_t *mev = (mouse_event_t *) evt;
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123
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124 printf("rectangle done\n");
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125 subject_remove_observer(CMOUSE(en->rdman->root_coord), en->obs1);
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126 subject_remove_observer(CMOUSE(en->rdman->root_coord), en->obs2);
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127 }
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128
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129 static void add_rect_2(event_t *evt, void *arg)
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130 {
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131 engine_t *en = (engine_t *) arg;
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132 mouse_event_t *mev = (mouse_event_t *) evt;
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133 paint_t *color;
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134
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135 printf("select first point\n");
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136 // Add an rect path
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137
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138 en->start_x = mev->x;
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139 en->start_y = mev->y;
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140 subject_remove_observer(CMOUSE(en->rdman->root_coord), en->obs1);
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141 subject_remove_observer(CMOUSE(en->rdman->root_coord), en->obs2);
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142 en->obs1 = subject_add_event_observer(CMOUSE(en->rdman->root_coord), EVT_MOUSE_MOVE, add_rect_move, en);
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143 en->obs2 = subject_add_event_observer(CMOUSE(en->rdman->root_coord), EVT_MOUSE_BUT_RELEASE, add_rect_release, en);
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144 }
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145
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146 static void add_rect_2_move(event_t *evt, void *arg)
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147 {
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148 engine_t *en = (engine_t *) arg;
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149 mouse_event_t *mev = (mouse_event_t *) evt;
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150
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151 sh_rect_set(en->rect, mev->x, mev->y, 50,50,en->rx,en->ry);
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152 rdman_shape_changed(en->rdman,en->rect);
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153 rdman_redraw_changed(en->rdman);
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154 }
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155
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156 static void add_rect(event_t *evt, void *arg)
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157 {
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158 engine_t *en = (engine_t *) arg;
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159 mouse_event_t *mev = (mouse_event_t *) evt;
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160 paint_t *color;
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161
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162 printf("menut selected\n");
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163 en->obs1 = subject_add_event_observer(CMOUSE(en->rdman->root_coord), EVT_MOUSE_BUT_PRESS, add_rect_2, en);
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164 en->obs2 = subject_add_event_observer(CMOUSE(en->rdman->root_coord), EVT_MOUSE_MOVE, add_rect_2_move, en);
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165 en->rect = rdman_shape_rect_new(en->rdman, mev->x, mev->y, 50 , 50, en->rx, en->ry);
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166 // Paint it with color
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167 color = rdman_paint_color_new(en->rdman, 0.800000, 0.800000, 0.400000, 1.000000);
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168 rdman_paint_fill(en->rdman, color, en->rect);
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169 // Add to the stage
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170 rdman_add_shape(en->rdman, en->rect, en->menu->root_coord);
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171 }
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172
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173
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174
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175
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176
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177 int main(int argc, char * const argv[]) {
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178 subject_t *subject;
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179 engine_t *en;
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180
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181 en = engine_init();
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182 en->menu = menu_new(en->rdman, en->rdman->root_coord);
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183 en->button = button_new(en->rdman, en->rdman->root_coord);
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184 engine_add_button(en, en->button->normal, en->button->active, button_pressed);
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185
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186 en->rx = 0;
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187 en->ry = 0;
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188
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189 /*
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190 * Register observers to subjects of events for objects.
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191 */
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192 subject = coord_get_mouse_event(en->menu->rect);
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193 subject_add_event_observer(subject, EVT_MOUSE_BUT_RELEASE, add_rect, en);
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194
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195
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196 engine_close(en);
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197
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198 return 0;
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199 }
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200
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201 /* vim: set ts=4 */