--- a/pidgin/plugins/crazychat/cc_gtk_gl.c Tue Sep 15 21:40:59 2015 -0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,288 +0,0 @@
-#include <assert.h>
-#include <stdio.h>
-#include <GL/gl.h>
-#include <GL/glu.h>
-#include "cc_gtk_gl.h"
-#include "util.h"
-
-static GdkGLConfig *glconfig = NULL;
-
-/**
- * Resets the OpenGL viewport stuff on widget reconfiguration (resize,
- * reposition)
- * @param widget widget that got reconfigured
- * @param event the configuration event
- * @param data unused
- * @return FALSE to propagate other handlers
- */
-static gboolean configure_event(GtkWidget *widget, GdkEventConfigure *event,
- void *data);
-
-/**
- * Maps the widget to the screen.
- * @param widget widget that got mapped
- * @param event the map event
- * @param data draw info struct
- * @return FALSE to propagate other handlers
- */
-static gboolean map_event(GtkWidget *widget, GdkEventAny *event, void *data);
-
-/**
- * Unmaps the widget from the screen.
- * @param widget widget that got unmapped
- * @param event the configuration event
- * @param data draw info struct
- * @return FALSE to propagate other handlers
- */
-static gboolean unmap_event(GtkWidget *widget, GdkEventAny *event, void *data);
-
-/**
- * Respond to widget visibility change.
- * @param widget widget whose visibility changed
- * @param event the visibility event
- * @param data draw info struct
- * @return FALSE to propagate other handlers
- */
-static gboolean visibility_notify_event(GtkWidget *widget,
- GdkEventVisibility *event, void *data);
-
-/**
- * Add a glib timer to periodically draw the widget.
- * @param widget widget we're drawing
- * @param info draw info struct
- */
-static void widget_draw_timer_add(GtkWidget *widget, struct draw_info *info);
-
-/**
- * Remove glib timer that was drawing this widget.
- * @param widget widget we're drawing
- * @param info draw info struct
- */
-static void widget_draw_timer_remove(GtkWidget *widget, struct draw_info *info);
-
-/**
- * Periodically invalidates gtk gl widget and tells GTK to redraw
- * @param widget widget we're drawing
- */
-static gboolean widget_draw_timer(GtkWidget *widget);
-
-/**
- * Cleanup widget stuff when it's getting destroyed.
- * @param widget widget that got destroyed
- * @param data draw info struct
- */
-static void destroy_event(GtkWidget *widget, struct draw_info *data);
-
-int cc_init_gtk_gl()
-{
- if (glconfig)
- return 0;
-
- /* configure OpenGL */
-
- glconfig = gdk_gl_config_new_by_mode(GDK_GL_MODE_RGB |
- GDK_GL_MODE_DEPTH |
- GDK_GL_MODE_DOUBLE);
-
- if (glconfig == NULL) {
- Debug("*** Cannot find the double-buffered visual.\n");
- Debug("*** Trying single-buffered visual.\n");
-
- /* Try single-buffered visual */
- glconfig = gdk_gl_config_new_by_mode(GDK_GL_MODE_RGB |
- GDK_GL_MODE_DEPTH);
- if (glconfig == NULL) {
- Debug("*** No appropriate OpenGL-capable visual "
- "found.\n");
- return 1;
- }
- }
-
- return 0;
-}
-
-void cc_new_gl_window(gl_init_func init, gl_config_func config,
- gl_draw_func draw, struct draw_info *data,
- struct window_box *ret)
-{
- GtkWidget *window;
- GtkWidget *vbox;
- GtkWidget *drawing_area;
-
- window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_container_set_reallocate_redraws(GTK_CONTAINER(window), TRUE);
-
- vbox = gtk_vbox_new(FALSE, 0);
- gtk_container_add(GTK_CONTAINER(window), vbox);
- gtk_widget_show(vbox);
-
- if (!data) {
- data = (struct draw_info*)malloc(sizeof(*data));
- assert(data);
- memset(data, 0, sizeof(*data));
- data->timeout = TRUE;
- data->delay_ms = DEFAULT_FRAME_DELAY;
- }
- drawing_area = cc_new_gl_area(init, config, draw, data);
- gtk_box_pack_start(GTK_BOX(vbox), drawing_area, TRUE, TRUE, 0);
- gtk_widget_show(drawing_area);
- ret->window = window;
- ret->vbox = vbox;
- ret->draw_area = drawing_area;
-}
-
-GtkWidget *cc_new_gl_area(gl_init_func init, gl_config_func config,
- gl_draw_func draw, struct draw_info *data)
-{
- GtkWidget *drawing_area;
-
- assert(data);
-
- drawing_area = gtk_drawing_area_new();
- assert(drawing_area);
-
- assert(gtk_widget_set_gl_capability(drawing_area, glconfig, NULL, FALSE,
- GDK_GL_RGBA_TYPE));
- gtk_widget_add_events (drawing_area, GDK_VISIBILITY_NOTIFY_MASK);
- if (init) {
- g_signal_connect_after(G_OBJECT(drawing_area), "realize",
- G_CALLBACK(init), data->data);
- }
- if (config) {
- g_signal_connect(G_OBJECT(drawing_area), "configure_event",
- G_CALLBACK(config), NULL);
- } else {
- g_signal_connect(G_OBJECT(drawing_area), "configure_event",
- G_CALLBACK(configure_event), NULL);
- }
- if (draw) {
- g_signal_connect(G_OBJECT(drawing_area), "expose_event",
- G_CALLBACK(draw), data->data);
- }
- g_signal_connect(G_OBJECT(drawing_area), "map_event",
- G_CALLBACK(map_event), data);
- g_signal_connect(G_OBJECT(drawing_area), "unmap_event",
- G_CALLBACK(unmap_event), data);
- g_signal_connect(G_OBJECT(drawing_area), "visibility_notify_event",
- G_CALLBACK(visibility_notify_event), data);
- g_signal_connect(G_OBJECT(drawing_area), "destroy",
- G_CALLBACK(destroy_event), data);
-
- return drawing_area;
-}
-
-
-static gboolean configure_event(GtkWidget *widget,
- GdkEventConfigure *event, void *data)
-{
- GdkGLContext *glcontext = gtk_widget_get_gl_context(widget);
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(widget);
-
- GLfloat w = widget->allocation.width;
- GLfloat h = widget->allocation.height;
- GLfloat aspect;
-
-// Debug("configuring\n");
-
- /*** OpenGL BEGIN ***/
- if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext))
- return FALSE;
-
- glViewport(0, 0, w, h);
- glMatrixMode(GL_PROJECTION);
-
- glLoadIdentity();
- if (w > h) {
- aspect = w / h;
- glFrustum(-aspect, aspect, -1.0, 1.0, 2.0, 60.0);
- } else {
- aspect = h / w;
- glFrustum(-1.0, 1.0, -aspect, aspect, 2.0, 60.0);
- }
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
-
- gdk_gl_drawable_gl_end(gldrawable);
- /*** OpenGL END ***/
-
- return FALSE;
-}
-
-static int map_event(GtkWidget *widget, GdkEventAny *event, void *data)
-{
- struct draw_info *info = (struct draw_info*)data;
- Debug("map\n");
-
- if (info->timeout) {
- widget_draw_timer_add(widget, info);
- }
- return FALSE;
-}
-
-static int unmap_event(GtkWidget *widget, GdkEventAny *event, void *data)
-{
- struct draw_info *info = (struct draw_info*)data;
- Debug("unmap\n");
-
- if (info->timeout) {
- widget_draw_timer_remove(widget, info);
- }
- return FALSE;
-}
-
-static int visibility_notify_event(GtkWidget *widget, GdkEventVisibility *event,
- void *data)
-{
- struct draw_info *info = (struct draw_info*)data;
- Debug("visibility\n");
-
- if (event->state == GDK_VISIBILITY_FULLY_OBSCURED) {
- Debug("obscured\n");
- if (info->timeout) {
- widget_draw_timer_remove(widget, info);
- }
- } else {
- Debug("visible\n");
- if (info->timeout) {
- widget_draw_timer_add(widget, info);
- }
- }
- return FALSE;
-}
-
-static void widget_draw_timer_add(GtkWidget *widget, struct draw_info *info)
-{
- if (!info->timer_id) {
- info->timer_id = g_timeout_add(info->delay_ms,
- (GSourceFunc)widget_draw_timer, widget);
- }
-}
-
-static void widget_draw_timer_remove(GtkWidget *widget, struct draw_info *info)
-{
- if (info->timer_id) {
- g_source_remove(info->timer_id);
- info->timer_id = 0;
- }
-}
-
-static gboolean widget_draw_timer(GtkWidget *widget)
-{
- /* invalidate the window */
- gdk_window_invalidate_rect (widget->window, &widget->allocation, FALSE);
-
- /* tell gtk to update it _now_ */
- gdk_window_process_updates (widget->window, FALSE);
-
- return TRUE;
-}
-
-static void destroy_event(GtkWidget *widget, struct draw_info *data)
-{
- Debug("destroying widget\n");
-
- if (data) {
- widget_draw_timer_remove(widget, data);
- free(data);
- }
-}