#include <GL/gl.h>
#include <math.h>
+static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data);
+static gboolean rotate(gpointer user_data);
+
static GtkWidget *rotate_button;
float boxv[][3] = {
static float ang = 30.;
-gboolean expose (GtkWidget *da, GdkEventExpose *event, gpointer user_data)
+static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
{
GdkGLContext *glcontext = gtk_widget_get_gl_context (da);
GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (da);
- // g_print (" :: expose\n");
-
- if (!gdk_gl_drawable_gl_begin (gldrawable, glcontext))
- {
- g_assert_not_reached ();
- }
-
/* draw in here */
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef (ang, 1, 0, 1);
glPopMatrix ();
- if (gdk_gl_drawable_is_double_buffered (gldrawable))
- gdk_gl_drawable_swap_buffers (gldrawable);
-
- else
- glFlush ();
-
- gdk_gl_drawable_gl_end (gldrawable);
-
- return TRUE;
-}
-
-gboolean configure(GtkWidget *da, GdkEventConfigure *event, gpointer user_data)
-{
- GdkGLContext *glcontext = gtk_widget_get_gl_context (da);
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (da);
-
- if (!gdk_gl_drawable_gl_begin (gldrawable, glcontext))
- {
- g_assert_not_reached ();
- }
-
- glLoadIdentity();
- glViewport (0, 0, da->allocation.width, da->allocation.height);
- glOrtho (-10,10,-10,10,-20050,10000);
- glEnable (GL_BLEND);
- glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-
- glScalef (10., 10., 10.);
-
- gdk_gl_drawable_gl_end (gldrawable);
-
- return TRUE;
+ return FALSE;
}
-gboolean rotate (gpointer user_data)
+static gboolean rotate(gpointer user_data)
{
if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(rotate_button)))
return TRUE;
gtk_notebook_append_page(GTK_NOTEBOOK(config), rotate_button, label);
/* Set up OpenGL Stuff */
- g_signal_connect(drawing, "configure-event", G_CALLBACK(configure), NULL);
- g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL);
+ g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL);
g_timeout_add(1000/60, rotate, drawing);
}