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authorPerberos <[email protected]>2011-11-04 22:37:08 -0300
committerPerberos <[email protected]>2011-11-04 22:37:08 -0300
commit1edf6684b4713b0848f425d474fc1a43b073942d (patch)
treef78832545d22866467af640a5bb0b5f7ea3e08c0 /src/gs-fade.c.orig
parent497dc1c333aeb0c327f073317e3c55491687f4cd (diff)
downloadmate-screensaver-1edf6684b4713b0848f425d474fc1a43b073942d.tar.bz2
mate-screensaver-1edf6684b4713b0848f425d474fc1a43b073942d.tar.xz
quitando archivos generados por astyle
Diffstat (limited to 'src/gs-fade.c.orig')
-rw-r--r--src/gs-fade.c.orig987
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
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--- 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);
-}