2 * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #include <gtk/gtkgl.h>
23 #include "aweather-gui.h"
24 #include "plugin-example.h"
29 static void aweather_example_plugin_init(AWeatherPluginInterface *iface);
30 static void aweather_example_expose(AWeatherPlugin *_example);
31 G_DEFINE_TYPE_WITH_CODE(AWeatherExample, aweather_example, G_TYPE_OBJECT,
32 G_IMPLEMENT_INTERFACE(AWEATHER_TYPE_PLUGIN,
33 aweather_example_plugin_init));
34 static void aweather_example_class_init(AWeatherExampleClass *klass)
36 GObjectClass *object_class = (GObjectClass*)klass;
38 static void aweather_example_plugin_init(AWeatherPluginInterface *iface)
40 /* Add methods to the interface */
41 iface->expose = aweather_example_expose;
43 static void aweather_example_init(AWeatherExample *example)
47 example->button = NULL;
48 example->rotation = 30.0;
54 static gboolean rotate(gpointer _example)
56 AWeatherExample *example = _example;
57 if (gtk_toggle_button_get_active(example->button)) {
58 example->rotation += 1.0;
59 aweather_gui_gl_redraw(example->gui);
67 AWeatherExample *aweather_example_new(AWeatherGui *gui)
69 g_debug("AWeatherExample: new");
70 AWeatherExample *example = g_object_new(AWEATHER_TYPE_EXAMPLE, NULL);
73 GtkWidget *drawing = aweather_gui_get_widget(gui, "drawing");
74 GtkWidget *config = aweather_gui_get_widget(gui, "tabs");
76 /* Add configuration tab */
77 GtkWidget *label = gtk_label_new("Example");
78 example->button = GTK_TOGGLE_BUTTON(gtk_toggle_button_new_with_label("Rotate"));
79 gtk_notebook_append_page(GTK_NOTEBOOK(config), GTK_WIDGET(example->button), label);
81 /* Set up OpenGL Stuff */
82 //g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL);
83 g_timeout_add(1000/60, rotate, example);
88 static void aweather_example_expose(AWeatherPlugin *_example)
90 AWeatherExample *example = AWEATHER_EXAMPLE(_example);
91 g_debug("AWeatherExample: expose");
92 glDisable(GL_TEXTURE_2D);
93 glMatrixMode(GL_PROJECTION); glPushMatrix(); glLoadIdentity();
94 glOrtho(-1,1,-1,1,-10,10);
95 glMatrixMode(GL_MODELVIEW ); glPushMatrix(); glLoadIdentity();
97 float light_ambient[] = {0.1f, 0.1f, 0.0f};
98 float light_diffuse[] = {0.9f, 0.9f, 0.9f};
99 float light_position[] = {-30.0f, 50.0f, 40.0f, 1.0f};
100 glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
101 glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
102 glLightfv(GL_LIGHT0, GL_POSITION, light_position);
104 glEnable(GL_LIGHTING);
105 glEnable(GL_COLOR_MATERIAL);
107 glTranslatef(0.5, -0.5, -2);
108 glRotatef(example->rotation, 1, 0, 1);
109 glColor4f(0.9, 0.9, 0.7, 1.0);
110 gdk_gl_draw_teapot(TRUE, 0.25);
111 gdk_gl_draw_cube(TRUE, 0.25);
112 glColor4f(1.0, 1.0, 1.0, 1.0);
114 glDisable(GL_LIGHT0);
115 glDisable(GL_LIGHTING);
116 glDisable(GL_COLOR_MATERIAL);
118 glMatrixMode(GL_PROJECTION); glPopMatrix();
119 glMatrixMode(GL_MODELVIEW ); glPopMatrix();