static gboolean cb_reshape_ext(GtkWidget *widget, GdkEventConfigure *ev, void *_object)
{
/* recuperation du contexte et de la surface de notre widget */
GdkGLContext *context;
GdkGLDrawable *surface;
if (!THIS->init)
return TRUE;
//fprintf(stderr, "cb_reshape_ext: %p\n", THIS);
if (!gtk_widget_is_gl_capable(widget))
{
fprintf(stderr, "not capable!\n");
return TRUE;
}
context = gtk_widget_get_gl_context(widget);
surface = gtk_widget_get_gl_drawable(widget);
/* activation du contexte */
if(gdk_gl_drawable_gl_begin(surface, context))
{
//reshape(ev−>height,ev−>width); // redimensionnement Opengl
GB.Raise(THIS, EVENT_Resize, 0);
gdk_gl_drawable_gl_end(surface); // désactivation du contexte
}
return TRUE;
}
static gboolean cb_draw_ext(GtkWidget *widget, GdkEventExpose *e, void *_object)
{
/* recuperation du contexte et de la surface de notre widget */
GdkGLContext *context;
GdkGLDrawable *surface;
//fprintf(stderr, "cb_draw_ext: %p\n", THIS);
if (!gtk_widget_is_gl_capable(widget))
{
fprintf(stderr, "not capable!\n");
return TRUE;
}
context = gtk_widget_get_gl_context(widget);
surface = gtk_widget_get_gl_drawable(widget);
/* activation du contexte */
if(gdk_gl_drawable_gl_begin(surface, context))
{
//draw(); // dessin Opengl
init_control(THIS);
GB.Raise(THIS, EVENT_Draw, 0);
gdk_gl_drawable_swap_buffers(surface); // permutation tampons
gdk_gl_drawable_gl_end(surface); // désactivation du contexte
}
return TRUE;
}
static gboolean _chisel_native_openglview_configure_event( GtkWidget *widget, GdkEvent *event, gpointer native_data ) {
if ( GTK_WIDGET_REALIZED(widget) ) {
printf( "resize!\n" );
assert( gtk_widget_is_gl_capable( widget ) );
GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable( widget );
GdkGLContext *glcontext = gtk_widget_get_gl_context( widget );
assert( gdk_gl_drawable_gl_begin( gldrawable, glcontext ) );
/*_chisel_native_openglview_reshape_callback( (native_handle)widget );
GtkAllocation allocation;
gtk_widget_get_allocation( GTK_WIDGET(widget), &allocation );*/
glViewport (0, 0,
widget->allocation.width, widget->allocation.height);
gdk_gl_drawable_gl_end( gldrawable );
/*// now invalidate!
Rect rect;
rect.origin.x = 0;//allocation.x;
rect.origin.y = 0;//allocation.y;
rect.size.width = allocation.width;
rect.size.height = allocation.height;
_chisel_native_view_invalidate_rect( (native_handle)widget, rect );*/
}
return TRUE;
}
static gboolean _chisel_native_openglview_expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer native_data ) {
if ( GTK_WIDGET_REALIZED(widget) ) {
assert( gtk_widget_is_gl_capable( widget ) );
GdkGLContext *glcontext = gtk_widget_get_gl_context( widget );
GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable( widget );
assert( gdk_gl_drawable_gl_begin( gldrawable, glcontext ) );
Rect rect;
rect.origin.x = event->area.x;
rect.origin.y = event->area.y;
rect.size.width = event->area.width;
rect.size.height = event->area.height;
printf( "expose!\n" );
//_chisel_native_view_draw_rect_callback( (native_handle)widget, rect );
glViewport (0, 0,
widget->allocation.width, widget->allocation.height);
glClearColor( 0.0f, 0.0f, 1.0f, 1.0f );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
if (gdk_gl_drawable_is_double_buffered (gldrawable))
gdk_gl_drawable_swap_buffers (gldrawable);
else
glFlush ();
gdk_gl_drawable_gl_end( gldrawable );
}
return TRUE;
}
static int lglext_widget_is_gl_capable(lua_State* L)
{
luaL_checktype(L, 1, LUA_TUSERDATA);
Object* obj = lua_touserdata(L, 1);
gboolean res = gtk_widget_is_gl_capable(GTK_WIDGET(obj->pointer));
lua_pushboolean(L, res);
return 1;
}
gboolean glwidget_enable_gl( GtkWidget* widget, GtkWidget* widget2, gpointer data ){
if ( widget2 == 0 && !gtk_widget_is_gl_capable( widget ) ) {
GdkGLConfig* glconfig = ( g_object_get_data( G_OBJECT( widget ), "zbuffer" ) ) ? glconfig_new_with_depth() : glconfig_new();
ASSERT_MESSAGE( glconfig != 0, "failed to create OpenGL config" );
gtk_widget_set_gl_capability( widget, glconfig, g_shared != 0 ? gtk_widget_get_gl_context( g_shared ) : 0, TRUE, GDK_GL_RGBA_TYPE );
gtk_widget_realize( widget );
if ( g_shared == 0 ) {
g_shared = widget;
}
// free glconfig?
}
return FALSE;
}
gboolean GLWidget::onHierarchyChanged(GtkWidget* widget,
GtkWidget* previous_toplevel, GLWidget* self) {
if (previous_toplevel == NULL && !gtk_widget_is_gl_capable(widget)) {
// Create a new GL config structure
GdkGLConfig* glconfig = (self->_zBuffer) ? createGLConfigWithDepth()
: createGLConfig();
ASSERT_MESSAGE(glconfig != NULL, "failed to create OpenGL config");
gtk_widget_set_gl_capability(widget, glconfig,
g_shared != NULL ? gtk_widget_get_gl_context(g_shared) : NULL,
TRUE, GDK_GL_RGBA_TYPE);
gtk_widget_realize(widget);
// Shared not set yet?
if (g_shared == 0) {
g_shared = widget;
}
}
return FALSE;
}
