diff options
Diffstat (limited to 'src/gs-fade.c.orig')
| -rw-r--r-- | src/gs-fade.c.orig | 987 |
1 files changed, 0 insertions, 987 deletions
diff --git a/src/gs-fade.c.orig b/src/gs-fade.c.orig deleted file mode 100644 index 3b46004..0000000 --- a/src/gs-fade.c.orig +++ /dev/null @@ -1,987 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- - * - * Copyright (C) 2004-2009 William Jon McCann <[email protected]> - * Copyright (C) 2009 Red Hat, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * Authors: William Jon McCann <[email protected]> - * - */ - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <time.h> -#include <errno.h> - -#include <string.h> -#include <sys/time.h> -#include <sys/types.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif /* HAVE_UNISTD_H */ - -#include <gdk/gdkx.h> -#include <gtk/gtk.h> - -#include "gs-fade.h" -#include "gs-debug.h" - -#define MATE_DESKTOP_USE_UNSTABLE_API - -#include "libmateui/mate-rr.h" - -/* XFree86 4.x+ Gamma fading */ - - -#ifdef HAVE_XF86VMODE_GAMMA - -#include <X11/extensions/xf86vmode.h> - -#define XF86_MIN_GAMMA 0.1 - -#endif /* HAVE_XF86VMODE_GAMMA */ - -static void gs_fade_class_init (GSFadeClass *klass); -static void gs_fade_init (GSFade *fade); -static void gs_fade_finalize (GObject *object); - -#define GS_FADE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GS_TYPE_FADE, GSFadePrivate)) - -struct GSGammaInfo -{ - int size; - unsigned short *r; - unsigned short *g; - unsigned short *b; -}; - -struct GSFadeScreenPrivate -{ - int fade_type; - int num_ramps; - /* one per crtc in randr mode */ - struct GSGammaInfo *info; - /* one per screen in theory */ - MateRRScreen *rrscreen; -#ifdef HAVE_XF86VMODE_GAMMA - /* one per screen also */ - XF86VidModeGamma vmg; -#endif /* HAVE_XF86VMODE_GAMMA */ - gboolean (*fade_setup) (GSFade *fade, - int screen); - gboolean (*fade_set_alpha_gamma) (GSFade *fade, - int screen, - gdouble alpha); - void (*fade_finish) (GSFade *fade, - int screen); -}; - -struct GSFadePrivate -{ - guint enabled : 1; - guint active : 1; - - guint timeout; - - guint step; - guint num_steps; - guint timer_id; - - gdouble alpha_per_iter; - gdouble current_alpha; - - int num_screens; - - struct GSFadeScreenPrivate *screen_priv; -}; - -enum -{ - FADED, - LAST_SIGNAL -}; - -enum -{ - FADE_TYPE_NONE, - FADE_TYPE_GAMMA_NUMBER, - FADE_TYPE_GAMMA_RAMP, - FADE_TYPE_XRANDR, -}; - -static guint signals [LAST_SIGNAL] = { 0, }; - -G_DEFINE_TYPE (GSFade, gs_fade, G_TYPE_OBJECT) - -static gpointer fade_object = NULL; - -#ifdef HAVE_XF86VMODE_GAMMA - -/* This is needed because the VidMode extension doesn't work - on remote displays -- but if the remote display has the extension - at all, XF86VidModeQueryExtension returns true, and then - XF86VidModeQueryVersion dies with an X error. -*/ - -static gboolean error_handler_hit = FALSE; - -static int -ignore_all_errors_ehandler (Display *dpy, - XErrorEvent *error) -{ - error_handler_hit = TRUE; - - return 0; -} - -static Bool -safe_XF86VidModeQueryVersion (Display *dpy, - int *majP, - int *minP) -{ - Bool result; - XErrorHandler old_handler; - - XSync (dpy, False); - error_handler_hit = FALSE; - old_handler = XSetErrorHandler (ignore_all_errors_ehandler); - - result = XF86VidModeQueryVersion (dpy, majP, minP); - - XSync (dpy, False); - XSetErrorHandler (old_handler); - XSync (dpy, False); - - return (error_handler_hit - ? False - : result); -} - -static gboolean -xf86_whack_gamma (int screen, - struct GSFadeScreenPrivate *screen_priv, - float ratio) -{ - Bool status; - struct GSGammaInfo *gamma_info; - - gamma_info = screen_priv->info; - - if (!gamma_info) - return FALSE; - - if (ratio < 0) - { - ratio = 0; - } - if (ratio > 1) - { - ratio = 1; - } - - if (gamma_info->size == 0) - { - /* we only have a gamma number, not a ramp. */ - - XF86VidModeGamma g2; - - g2.red = screen_priv->vmg.red * ratio; - g2.green = screen_priv->vmg.green * ratio; - g2.blue = screen_priv->vmg.blue * ratio; - - if (g2.red < XF86_MIN_GAMMA) - { - g2.red = XF86_MIN_GAMMA; - } - if (g2.green < XF86_MIN_GAMMA) - { - g2.green = XF86_MIN_GAMMA; - } - if (g2.blue < XF86_MIN_GAMMA) - { - g2.blue = XF86_MIN_GAMMA; - } - - status = XF86VidModeSetGamma (GDK_DISPLAY (), screen, &g2); - } - else - { - -# ifdef HAVE_XF86VMODE_GAMMA_RAMP - unsigned short *r, *g, *b; - int i; - - r = g_new0 (unsigned short, gamma_info->size); - g = g_new0 (unsigned short, gamma_info->size); - b = g_new0 (unsigned short, gamma_info->size); - - for (i = 0; i < gamma_info->size; i++) - { - r[i] = gamma_info->r[i] * ratio; - g[i] = gamma_info->g[i] * ratio; - b[i] = gamma_info->b[i] * ratio; - } - - status = XF86VidModeSetGammaRamp (GDK_DISPLAY (), screen, gamma_info->size, r, g, b); - - g_free (r); - g_free (g); - g_free (b); - -# else /* !HAVE_XF86VMODE_GAMMA_RAMP */ - abort (); -# endif /* !HAVE_XF86VMODE_GAMMA_RAMP */ - } - - gdk_flush (); - - return status; -} - -#endif /* HAVE_XF86VMODE_GAMMA */ - -/* VidModeExtension version 2.0 or better is needed to do gamma. - 2.0 added gamma values; 2.1 added gamma ramps. -*/ -# define XF86_VIDMODE_GAMMA_MIN_MAJOR 2 -# define XF86_VIDMODE_GAMMA_MIN_MINOR 0 -# define XF86_VIDMODE_GAMMA_RAMP_MIN_MAJOR 2 -# define XF86_VIDMODE_GAMMA_RAMP_MIN_MINOR 1 - - -gboolean -gs_fade_get_enabled (GSFade *fade) -{ - g_return_val_if_fail (GS_IS_FADE (fade), FALSE); - - return fade->priv->enabled; -} - -void -gs_fade_set_enabled (GSFade *fade, - gboolean enabled) -{ - g_return_if_fail (GS_IS_FADE (fade)); - - if (fade->priv->enabled != enabled) - { - fade->priv->enabled = enabled; - } -} - -#ifdef HAVE_XF86VMODE_GAMMA -static gboolean -gamma_fade_setup (GSFade *fade, int screen_idx) -{ - gboolean res; - struct GSFadeScreenPrivate *screen_priv; - - screen_priv = &fade->priv->screen_priv[screen_idx]; - - if (screen_priv->info) - return TRUE; - -# ifndef HAVE_XF86VMODE_GAMMA_RAMP - if (FADE_TYPE_GAMMA_RAMP == screen_priv->fade_type) - { - /* server is newer than client! */ - screen_priv->fade_type = FADE_TYPE_GAMMA_NUMBER; - } -# endif - -# ifdef HAVE_XF86VMODE_GAMMA_RAMP - - screen_priv->info = g_new0(struct GSGammaInfo, 1); - screen_priv->num_ramps = 1; - - if (FADE_TYPE_GAMMA_RAMP == screen_priv->fade_type) - { - /* have ramps */ - - res = XF86VidModeGetGammaRampSize (GDK_DISPLAY (), screen_idx, &screen_priv->info->size); - if (!res || screen_priv->info->size <= 0) - { - screen_priv->fade_type = FADE_TYPE_GAMMA_NUMBER; - goto test_number; - } - - screen_priv->info->r = g_new0 (unsigned short, screen_priv->info->size); - screen_priv->info->g = g_new0 (unsigned short, screen_priv->info->size); - screen_priv->info->b = g_new0 (unsigned short, screen_priv->info->size); - - if (! (screen_priv->info->r && screen_priv->info->g && screen_priv->info->b)) - { - screen_priv->fade_type = FADE_TYPE_GAMMA_NUMBER; - goto test_number; - } - - res = XF86VidModeGetGammaRamp (GDK_DISPLAY (), - screen_idx, - screen_priv->info->size, - screen_priv->info->r, - screen_priv->info->g, - screen_priv->info->b); - if (! res) - { - screen_priv->fade_type = FADE_TYPE_GAMMA_NUMBER; - goto test_number; - } - gs_debug ("Initialized gamma ramp fade"); - } -# endif /* HAVE_XF86VMODE_GAMMA_RAMP */ - -test_number: - if (FADE_TYPE_GAMMA_NUMBER == screen_priv->fade_type) - { - /* only have gamma parameter, not ramps. */ - - res = XF86VidModeGetGamma (GDK_DISPLAY (), screen_idx, &screen_priv->vmg); - if (! res) - { - screen_priv->fade_type = FADE_TYPE_NONE; - goto test_none; - } - gs_debug ("Initialized gamma fade for screen %d: %f %f %f", - screen_idx, - screen_priv->vmg.red, - screen_priv->vmg.green, - screen_priv->vmg.blue); - } - -test_none: - if (FADE_TYPE_NONE == screen_priv->fade_type) - { - goto FAIL; - } - - return TRUE; -FAIL: - - return FALSE; -} -#endif /* HAVE_XF86VMODE_GAMMA */ - -static void -screen_fade_finish (GSFade *fade, int screen_idx) -{ - struct GSFadeScreenPrivate *screen_priv; - int i; - screen_priv = &fade->priv->screen_priv[screen_idx]; - - if (!screen_priv->info) - return; - - for (i = 0; i < screen_priv->num_ramps; i++) - { - if (screen_priv->info[i].r) - g_free (screen_priv->info[i].r); - if (screen_priv->info[i].g) - g_free (screen_priv->info[i].g); - if (screen_priv->info[i].b) - g_free (screen_priv->info[i].b); - } - - g_free (screen_priv->info); - screen_priv->info = NULL; - screen_priv->num_ramps = 0; -} - -#ifdef HAVE_XF86VMODE_GAMMA -static gboolean -gamma_fade_set_alpha_gamma (GSFade *fade, - int screen_idx, - gdouble alpha) -{ - struct GSFadeScreenPrivate *screen_priv; - gboolean res; - - screen_priv = &fade->priv->screen_priv[screen_idx]; - res = xf86_whack_gamma (screen_idx, screen_priv, alpha); - - return TRUE; -} -#endif /* HAVE_XF86VMODE_GAMMA */ - -static void -check_gamma_extension (GSFade *fade, int screen_idx) -{ - struct GSFadeScreenPrivate *screen_priv; -#ifdef HAVE_XF86VMODE_GAMMA - int event; - int error; - int major; - int minor; - gboolean res; -#endif /* HAVE_XF86VMODE_GAMMA */ - - screen_priv = &fade->priv->screen_priv[screen_idx]; - -#ifdef HAVE_XF86VMODE_GAMMA - res = XF86VidModeQueryExtension (GDK_DISPLAY (), &event, &error); - if (! res) - goto fade_none; - - res = safe_XF86VidModeQueryVersion (GDK_DISPLAY (), &major, &minor); - if (! res) - goto fade_none; - - if (major < XF86_VIDMODE_GAMMA_MIN_MAJOR || - (major == XF86_VIDMODE_GAMMA_MIN_MAJOR && - minor < XF86_VIDMODE_GAMMA_MIN_MINOR)) - goto fade_none; - - screen_priv->fade_setup = gamma_fade_setup; - screen_priv->fade_finish = screen_fade_finish; - screen_priv->fade_set_alpha_gamma = gamma_fade_set_alpha_gamma; - - if (major < XF86_VIDMODE_GAMMA_RAMP_MIN_MAJOR || - (major == XF86_VIDMODE_GAMMA_RAMP_MIN_MAJOR && - minor < XF86_VIDMODE_GAMMA_RAMP_MIN_MINOR)) - { - screen_priv->fade_type = FADE_TYPE_GAMMA_NUMBER; - return; - } - - /* Copacetic */ - screen_priv->fade_type = FADE_TYPE_GAMMA_RAMP; - return; -fade_none: -#endif - screen_priv->fade_type = FADE_TYPE_NONE; -} - -/* Xrandr support */ - -static gboolean xrandr_fade_setup (GSFade *fade, int screen_idx) -{ - struct GSFadeScreenPrivate *screen_priv; - MateRRCrtc *crtc; - MateRRCrtc **crtcs; - int crtc_count = 0; - struct GSGammaInfo *info; - gboolean res; - - screen_priv = &fade->priv->screen_priv[screen_idx]; - - if (screen_priv->info) - return TRUE; - - /* refresh the screen info */ - mate_rr_screen_refresh (screen_priv->rrscreen, NULL); - - crtcs = mate_rr_screen_list_crtcs (screen_priv->rrscreen); - while (*crtcs) - { - crtc_count++; - crtcs++; - }; - - screen_priv->info = g_new0 (struct GSGammaInfo, crtc_count); - screen_priv->num_ramps = crtc_count; - - crtc_count = 0; - crtcs = mate_rr_screen_list_crtcs (screen_priv->rrscreen); - while (*crtcs) - { - crtc = *crtcs; - - info = &screen_priv->info[crtc_count]; - - /* if no mode ignore crtc */ - if (!mate_rr_crtc_get_current_mode (crtc)) - { - info->size = 0; - info->r = NULL; - info->g = NULL; - info->b = NULL; - } - else - { - res = mate_rr_crtc_get_gamma (crtc, &info->size, - &info->r, &info->g, - &info->b); - if (res == FALSE) - goto fail; - } - - crtcs++; - crtc_count++; - } - return TRUE; -fail: - return FALSE; -} - -static void xrandr_crtc_whack_gamma (MateRRCrtc *crtc, - struct GSGammaInfo *gamma_info, - float ratio) -{ - unsigned short *r, *g, *b; - int i; - - if (gamma_info->size == 0) - return; - - if (ratio < 0) - { - ratio = 0; - } - if (ratio > 1) - { - ratio = 1; - } - - r = g_new0 (unsigned short, gamma_info->size); - g = g_new0 (unsigned short, gamma_info->size); - b = g_new0 (unsigned short, gamma_info->size); - - for (i = 0; i < gamma_info->size; i++) - { - r[i] = gamma_info->r[i] * ratio; - g[i] = gamma_info->g[i] * ratio; - b[i] = gamma_info->b[i] * ratio; - } - - mate_rr_crtc_set_gamma (crtc, gamma_info->size, - r, g, b); - g_free (r); - g_free (g); - g_free (b); -} - -static gboolean xrandr_fade_set_alpha_gamma (GSFade *fade, - int screen_idx, - gdouble alpha) -{ - struct GSFadeScreenPrivate *screen_priv; - struct GSGammaInfo *info; - MateRRCrtc **crtcs; - int i; - - screen_priv = &fade->priv->screen_priv[screen_idx]; - - if (!screen_priv->info) - return FALSE; - - crtcs = mate_rr_screen_list_crtcs (screen_priv->rrscreen); - i = 0; - - while (*crtcs) - { - info = &screen_priv->info[i]; - xrandr_crtc_whack_gamma (*crtcs, info, alpha); - i++; - crtcs++; - } - return TRUE; -} - -static void -check_randr_extension (GSFade *fade, int screen_idx) -{ - GdkDisplay *display = gdk_display_get_default (); - GdkScreen *screen = gdk_display_get_screen (display, screen_idx); - struct GSFadeScreenPrivate *screen_priv; - - screen_priv = &fade->priv->screen_priv[screen_idx]; - - screen_priv->rrscreen = mate_rr_screen_new (screen, - NULL, - NULL, - NULL); - if (!screen_priv->rrscreen) - { - screen_priv->fade_type = FADE_TYPE_NONE; - return; - } - - screen_priv->fade_type = FADE_TYPE_XRANDR; - screen_priv->fade_setup = xrandr_fade_setup; - screen_priv->fade_finish = screen_fade_finish; - screen_priv->fade_set_alpha_gamma = xrandr_fade_set_alpha_gamma; -} - -static gboolean -gs_fade_set_alpha (GSFade *fade, - gdouble alpha) -{ - gboolean ret = FALSE; - int i; - - for (i = 0; i < fade->priv->num_screens; i++) - { - switch (fade->priv->screen_priv[i].fade_type) - { - case FADE_TYPE_GAMMA_RAMP: - case FADE_TYPE_GAMMA_NUMBER: - case FADE_TYPE_XRANDR: - ret = fade->priv->screen_priv[i].fade_set_alpha_gamma (fade, i, alpha); - break; - case FADE_TYPE_NONE: - ret = FALSE; - break; - default: - g_warning ("Unknown fade type"); - ret = FALSE; - break; - } - } - return ret; -} - -static gboolean -gs_fade_out_iter (GSFade *fade) -{ - gboolean ret; - - if (fade->priv->current_alpha < 0.01) - { - return FALSE; - } - - fade->priv->current_alpha -= fade->priv->alpha_per_iter; - - ret = gs_fade_set_alpha (fade, fade->priv->current_alpha); - - return ret; -} - -static gboolean -gs_fade_stop (GSFade *fade) -{ - if (fade->priv->timer_id > 0) - { - g_source_remove (fade->priv->timer_id); - fade->priv->timer_id = 0; - } - - fade->priv->step = 0; - fade->priv->active = FALSE; - - return TRUE; -} - -void -gs_fade_finish (GSFade *fade) -{ - g_return_if_fail (GS_IS_FADE (fade)); - - if (! fade->priv->active) - { - return; - } - - gs_fade_stop (fade); - - g_signal_emit (fade, signals [FADED], 0); - - fade->priv->active = FALSE; -} - -static gboolean -fade_out_timer (GSFade *fade) -{ - gboolean res; - - res = gs_fade_out_iter (fade); - - /* if failed then fade is complete */ - if (! res) - { - gs_fade_finish (fade); - return FALSE; - } - - return TRUE; -} - -gboolean -gs_fade_get_active (GSFade *fade) -{ - g_return_val_if_fail (GS_IS_FADE (fade), FALSE); - - return fade->priv->active; -} - -static void -gs_fade_set_timeout (GSFade *fade, - guint timeout) -{ - g_return_if_fail (GS_IS_FADE (fade)); - - fade->priv->timeout = timeout; -} - -static void -gs_fade_start (GSFade *fade, - guint timeout) -{ - guint steps_per_sec = 30; - guint msecs_per_step; - struct GSFadeScreenPrivate *screen_priv; - gboolean active_fade, res; - int i; - - g_return_if_fail (GS_IS_FADE (fade)); - - for (i = 0; i < fade->priv->num_screens; i++) - { - screen_priv = &fade->priv->screen_priv[i]; - if (screen_priv->fade_type != FADE_TYPE_NONE) - { - res = screen_priv->fade_setup (fade, i); - if (res == FALSE) - return; - } - } - - if (fade->priv->timer_id > 0) - { - gs_fade_stop (fade); - } - - fade->priv->active = TRUE; - - gs_fade_set_timeout (fade, timeout); - - active_fade = FALSE; - for (i = 0; i < fade->priv->num_screens; i++) - { - screen_priv = &fade->priv->screen_priv[i]; - if (screen_priv->fade_type != FADE_TYPE_NONE) - active_fade = TRUE; - } - if (active_fade) - { - guint num_steps; - - num_steps = (fade->priv->timeout / 1000) * steps_per_sec; - msecs_per_step = 1000 / steps_per_sec; - fade->priv->alpha_per_iter = 1.0 / (gdouble)num_steps; - - fade->priv->timer_id = g_timeout_add (msecs_per_step, (GSourceFunc)fade_out_timer, fade); - } - else - { - gs_fade_finish (fade); - } -} - -typedef struct -{ - GSFadeDoneFunc done_cb; - gpointer data; -} FadedCallbackData; - -static void -gs_fade_async_callback (GSFade *fade, - FadedCallbackData *cdata) -{ - g_signal_handlers_disconnect_by_func (fade, - gs_fade_async_callback, - cdata); - - if (cdata->done_cb) - { - cdata->done_cb (fade, cdata->data); - } - - g_free (cdata); -} - -void -gs_fade_async (GSFade *fade, - guint timeout, - GSFadeDoneFunc func, - gpointer data) -{ - g_return_if_fail (GS_IS_FADE (fade)); - - /* if fade is active then pause it */ - if (fade->priv->active) - { - gs_fade_stop (fade); - } - - if (func) - { - FadedCallbackData *cb_data; - - cb_data = g_new0 (FadedCallbackData, 1); - cb_data->done_cb = func; - cb_data->data = data; - - g_signal_connect (fade, "faded", - G_CALLBACK (gs_fade_async_callback), - cb_data); - } - - gs_fade_start (fade, timeout); -} - -static void -gs_fade_sync_callback (GSFade *fade, - int *flag) -{ - *flag = TRUE; - g_signal_handlers_disconnect_by_func (fade, - gs_fade_sync_callback, - flag); -} - -void -gs_fade_sync (GSFade *fade, - guint timeout) -{ - int flag = FALSE; - - g_return_if_fail (GS_IS_FADE (fade)); - - /* if fade is active then pause it */ - if (fade->priv->active) - { - gs_fade_stop (fade); - } - - g_signal_connect (fade, "faded", - G_CALLBACK (gs_fade_sync_callback), - &flag); - - gs_fade_start (fade, timeout); - - while (! flag) - { - gtk_main_iteration (); - } -} - -void -gs_fade_reset (GSFade *fade) -{ - int i; - g_return_if_fail (GS_IS_FADE (fade)); - - gs_debug ("Resetting fade"); - - if (fade->priv->active) - { - gs_fade_stop (fade); - } - - fade->priv->current_alpha = 1.0; - - gs_fade_set_alpha (fade, fade->priv->current_alpha); - - for (i = 0; i < fade->priv->num_screens; i++) - fade->priv->screen_priv[i].fade_finish (fade, i); -} - -static void -gs_fade_class_init (GSFadeClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - - object_class->finalize = gs_fade_finalize; - - signals [FADED] = - g_signal_new ("faded", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GSFadeClass, faded), - NULL, - NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, - 0, G_TYPE_NONE); - - g_type_class_add_private (klass, sizeof (GSFadePrivate)); -} - -static void -gs_fade_init (GSFade *fade) -{ - GdkDisplay *display; - int i; - - fade->priv = GS_FADE_GET_PRIVATE (fade); - - fade->priv->timeout = 1000; - fade->priv->current_alpha = 1.0; - - display = gdk_display_get_default (); - fade->priv->num_screens = gdk_display_get_n_screens (display); - - fade->priv->screen_priv = g_new0 (struct GSFadeScreenPrivate, fade->priv->num_screens); - - for (i = 0; i < fade->priv->num_screens; i++) - { - check_randr_extension (fade, i); - if (!fade->priv->screen_priv[i].fade_type) - check_gamma_extension (fade, i); - gs_debug ("Fade type: %d", fade->priv->screen_priv[i].fade_type); - } -} - -static void -gs_fade_finalize (GObject *object) -{ - GSFade *fade; - int i; - - g_return_if_fail (object != NULL); - g_return_if_fail (GS_IS_FADE (object)); - - fade = GS_FADE (object); - - g_return_if_fail (fade->priv != NULL); - - for (i = 0; i < fade->priv->num_screens; i++) - fade->priv->screen_priv[i].fade_finish(fade, i); - - if (fade->priv->screen_priv) - { - for (i = 0; i < fade->priv->num_screens; i++) - { - if (!fade->priv->screen_priv[i].rrscreen) - continue; - mate_rr_screen_destroy (fade->priv->screen_priv[i].rrscreen); - } - - g_free (fade->priv->screen_priv); - fade->priv->screen_priv = NULL; - } - - G_OBJECT_CLASS (gs_fade_parent_class)->finalize (object); -} - -GSFade * -gs_fade_new (void) -{ - if (fade_object) - { - g_object_ref (fade_object); - } - else - { - fade_object = g_object_new (GS_TYPE_FADE, NULL); - g_object_add_weak_pointer (fade_object, - (gpointer *) &fade_object); - } - - return GS_FADE (fade_object); -} |