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Diffstat (limited to 'trunk/src/backend/bacon-resize.c')
| -rw-r--r-- | trunk/src/backend/bacon-resize.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/trunk/src/backend/bacon-resize.c b/trunk/src/backend/bacon-resize.c new file mode 100644 index 000000000..3ddced71c --- /dev/null +++ b/trunk/src/backend/bacon-resize.c @@ -0,0 +1,157 @@ +/* bacon-resize.c + * Copyright (C) 2003-2004, Bastien Nocera <hadess@hadess.net> + * All rights reserved. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Cambridge, MA 02139, USA. + */ + +#include "config.h" +#include "bacon-resize.h" + +#ifdef HAVE_XVIDMODE +#include <glib.h> +#include <gdk/gdkx.h> +#include <gdk/gdk.h> +#include <X11/X.h> +#include <X11/Xlib.h> +#include <X11/Xproto.h> +#include <X11/Xlib.h> + +#include <X11/extensions/xf86vmode.h> +#include <X11/extensions/Xrandr.h> +#include <X11/extensions/Xrender.h> + +/* XVidMode */ +XF86VidModeModeInfo **modelines; +int nr_modeline; + +/* XRandR */ +XRRScreenConfiguration *xr_screen_conf; +XRRScreenSize *xr_sizes; +Rotation xr_current_rotation; +SizeID xr_original_size; +#endif + +gboolean +bacon_resize_init (void) +{ +#ifdef HAVE_XVIDMODE + int event_basep, error_basep, res; + + XLockDisplay (GDK_DISPLAY()); + + res = XF86VidModeQueryExtension (GDK_DISPLAY(), &event_basep, &error_basep) || !XRRQueryExtension (GDK_DISPLAY(), &event_basep, &error_basep); + + if (!res) { + XUnlockDisplay (GDK_DISPLAY()); + return FALSE; + } + + res = XF86VidModeGetAllModeLines (GDK_DISPLAY(), XDefaultScreen (GDK_DISPLAY()), &nr_modeline, &modelines); + + xr_screen_conf = XRRGetScreenInfo (GDK_DISPLAY(), GDK_ROOT_WINDOW()); + + XUnlockDisplay (GDK_DISPLAY()); + + return TRUE; + +#endif /* HAVE_XVIDMODE */ + return FALSE; +} + +void +bacon_resize (void) +{ +#ifdef HAVE_XVIDMODE + int width, height, i, xr_nsize; + XRRScreenSize *xr_sizes; + gboolean found = FALSE; + + XLockDisplay (GDK_DISPLAY()); + + /* Check if there's a viewport */ + width = gdk_screen_width (); + height = gdk_screen_height (); + if (width == modelines[0]->hdisplay + && height == modelines[0]->vdisplay) { + XUnlockDisplay (GDK_DISPLAY()); + return; + } + + gdk_error_trap_push (); + /* Find the xrandr mode that corresponds to the real size */ + xr_sizes = XRRConfigSizes (xr_screen_conf, &xr_nsize); + xr_original_size = XRRConfigCurrentConfiguration + (xr_screen_conf, &xr_current_rotation); + if (gdk_error_trap_pop ()) + g_warning ("XRRConfigSizes or XRRConfigCurrentConfiguration failed"); + + for (i = 0; i < xr_nsize; i++) { + if (modelines[0]->hdisplay == xr_sizes[i].width + && modelines[0]->vdisplay == xr_sizes[i].height) { + found = TRUE; + break; + } + } + + if (!found) { + XUnlockDisplay (GDK_DISPLAY()); + return; + } + gdk_error_trap_push (); + XRRSetScreenConfig (GDK_DISPLAY(), + xr_screen_conf, + GDK_ROOT_WINDOW(), + (SizeID) i, + xr_current_rotation, + CurrentTime); + gdk_flush (); + if (gdk_error_trap_pop ()) + g_warning ("XRRSetScreenConfig failed"); + + XUnlockDisplay (GDK_DISPLAY()); +#endif /* HAVE_XVIDMODE */ +} + +void +bacon_restore (void) +{ +#ifdef HAVE_XVIDMODE + int width, height; + + XLockDisplay (GDK_DISPLAY()); + + /* Check if there's a viewport */ + width = gdk_screen_width (); + height = gdk_screen_height (); + if (width == modelines[0]->hdisplay + && height == modelines[0]->vdisplay) { + XUnlockDisplay (GDK_DISPLAY()); + return; + } + gdk_error_trap_push (); + XRRSetScreenConfig (GDK_DISPLAY(), + xr_screen_conf, + GDK_ROOT_WINDOW(), + xr_original_size, + xr_current_rotation, + CurrentTime); + gdk_flush (); + if (gdk_error_trap_pop ()) + g_warning ("XRRSetScreenConfig failed"); + XUnlockDisplay (GDK_DISPLAY()); +#endif +} + |