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1 #include <stdio.h>
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2 #include "ui.h"
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3 #include "goatkit/goatkit.h"
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4 #include "opengl.h"
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5 #include "sanegl.h"
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6 #include "sdr.h"
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7
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8 static goatkit::Screen scr;
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9 static int width, height;
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10
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11 extern unsigned int prog_color, prog_ui;
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12
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13 int ui_init(void)
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14 {
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15 float ypos = 0;
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16 float vsep = 0.1;
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17
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18 goatkit::Label *label = new goatkit::Label;
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19 label->set_position(0.5, ypos += vsep);
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20 label->set_size(0.1, 0.1);
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21 label->set_text("Stereoscopic rendering");
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22 scr.add_widget(label);
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23
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24 /*
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25 goatkit::Button *button = new goatkit::Button;
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26 button->set_position(300, ypos += vsep);
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27 button->set_size(200, 40);
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28 button->set_text("a button!");
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29 button->set_callback(goatkit::EV_CLICK, callback);
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30 scr.add_widget(button);
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31
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32 goatkit::TextBox *text = new goatkit::TextBox;
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33 text->set_position(300, ypos += vsep);
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34 text->set_size(200, 30);
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35 text->set_text("foo");
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36 text->set_callback(goatkit::EV_CHANGE, callback);
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37 scr.add_widget(text);
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38
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39 goatkit::CheckBox *cbox = new goatkit::CheckBox;
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40 cbox->set_position(300, ypos += vsep);
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41 cbox->set_size(200, 20);
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42 cbox->set_text("a checkbox!");
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43 cbox->set_callback(goatkit::EV_CHANGE, callback);
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44 scr.add_widget(cbox);
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45
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46 goatkit::Slider *slider = new goatkit::Slider;
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47 slider->set_position(300, ypos += vsep);
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48 slider->set_size(200, 40);
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49 slider->set_callback(goatkit::EV_CHANGE, callback);
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50 slider->set_continuous_change(false);
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51 slider->set_range(0, 100.0);
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52 scr.add_widget(slider);
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53
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54 goatkit::Slider *intslider = new goatkit::Slider;
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55 intslider->set_position(300, ypos += vsep);
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56 intslider->set_size(200, 40);
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57 intslider->set_callback(goatkit::EV_CHANGE, callback);
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58 intslider->set_continuous_change(false);
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59 intslider->set_range(0, 100.0);
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60 intslider->set_step(10);
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61 scr.add_widget(intslider);
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62 */
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63
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64 scr.show();
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65
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66 // load the theme
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67 //goatkit::add_theme_path("themes/simple");
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68
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69 if(!(goatkit::theme = goatkit::get_theme("istereo"))) {
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70 return -1;
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71 }
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72
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73 return 0;
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74 }
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75
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76 void ui_shutdown(void)
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77 {
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78 }
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79
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80 void ui_reshape(int x, int y)
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81 {
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82 width = x;
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83 height = y;
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84 }
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85
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86 void ui_draw(void)
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87 {
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88 float aspect = (float)width / (float)height;
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89
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90 bind_program(prog_ui);
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91
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92 gl_matrix_mode(GL_PROJECTION);
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93 gl_push_matrix();
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94 gl_load_identity();
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95 gl_scalef(2.0 / aspect, 2.0, 1);
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96 gl_translatef(-1, -1, 0);
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97 gl_matrix_mode(GL_MODELVIEW);
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98 gl_push_matrix();
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99 gl_load_identity();
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100
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101 glDisable(GL_CULL_FACE);
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102 glDisable(GL_DEPTH_TEST);
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103 glEnable(GL_BLEND);
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104 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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105
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106 set_uniform_float4(prog_ui, "ucolor", 0, 0, 0, 0.5);
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107
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108 gl_begin(GL_QUADS);
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109 //gl_color4f(0, 0, 0, 0.5);
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110 gl_vertex3f(0, 0, 0);
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111 gl_vertex3f(0, 1.0, 0);
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112 gl_vertex3f(1.0 * aspect, 1.0, 0);
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113 gl_vertex3f(1.0 * aspect, 0, 0);
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114 gl_end();
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115
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116 scr.draw();
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117
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118 glDisable(GL_BLEND);
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119 glEnable(GL_CULL_FACE);
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120 glEnable(GL_DEPTH_TEST);
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121
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122
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123 gl_matrix_mode(GL_PROJECTION);
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124 gl_pop_matrix();
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125 gl_matrix_mode(GL_MODELVIEW);
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126 gl_pop_matrix();
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127 }
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128
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129 void ui_button(int bn, int press, int x, int y)
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130 {
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131 scr.sysev_mouse_button(bn, press != 0, (float)x / (float)width, (float)y / (float)height);
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132 }
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133
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134 void ui_motion(int x, int y)
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135 {
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136 scr.sysev_mouse_motion((float)x / (float)width, (float)y / (float)height);
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137 }
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