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https://github.com/brl/mutter.git
synced 2024-11-23 08:30:42 -05:00
ec59af290c
While this is totally fine (None is 0L and, in the pointer context, will be converted in the right internal NULL representation, which could be a value with some bits to 1), I believe it's clearer to use NULL instead of None when we talk about pointers.
331 lines
9.1 KiB
C
331 lines
9.1 KiB
C
#include <config.h>
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#include <stdlib.h>
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#include <string.h>
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#include <gmodule.h>
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#if HAVE_CLUTTER_GLX
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#include <clutter/clutter.h>
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#include <clutter/x11/clutter-x11.h>
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#include <clutter/x11/clutter-x11-texture-pixmap.h>
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#include <clutter/glx/clutter-glx.h>
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#include <clutter/glx/clutter-glx-texture-pixmap.h>
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#include <X11/Xlib.h>
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#include <X11/extensions/Xcomposite.h>
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#define IMAGE TESTS_DATADIR G_DIR_SEPARATOR_S "redhand.png"
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# ifdef USE_GDKPIXBUF
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# include <gdk-pixbuf/gdk-pixbuf.h>
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static gboolean disable_x11 = FALSE;
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static gboolean disable_glx = FALSE;
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static GOptionEntry g_options[] =
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{
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{ "disable-x11",
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0, 0,
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G_OPTION_ARG_NONE,
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&disable_x11,
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"Disable redirection through X11 pixmap",
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NULL },
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{ "disable-glx",
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0, 0,
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G_OPTION_ARG_NONE,
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&disable_glx,
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"Disable redirection through GLX pixmap",
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NULL },
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{ NULL }
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};
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static gboolean
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stage_key_release_cb (ClutterActor *actor,
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ClutterEvent *event,
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gpointer data)
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{
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switch (clutter_event_get_key_symbol (event))
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{
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case CLUTTER_q:
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case CLUTTER_Q:
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clutter_main_quit ();
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break;
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}
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return FALSE;
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}
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static gboolean
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stage_button_press_cb (ClutterActor *actor,
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ClutterEvent *event,
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gpointer data)
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{
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Pixmap pxm = (Pixmap)data;
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Display *dpy = clutter_x11_get_default_display ();
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GC gc;
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XGCValues gc_values = {0};
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gc = XCreateGC (dpy,
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pxm,
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0,
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&gc_values);
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XDrawLine (dpy, pxm, gc, 0, 0, 100, 100);
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return FALSE;
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}
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Pixmap
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create_pixmap (guint *width, guint *height, guint *depth)
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{
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Display *dpy = clutter_x11_get_default_display ();
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Pixmap pixmap;
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GdkPixbuf *pixbuf;
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GError *error = NULL;
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XImage *image;
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char *data, *d;
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guchar *p, *line, *endofline, *end;
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guint w, h, rowstride;
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GC gc;
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XGCValues gc_values = {0};
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pixbuf = gdk_pixbuf_new_from_file (IMAGE, &error);
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if (error)
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g_error ("%s", error->message);
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/* We assume that the image had an alpha channel */
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g_assert (gdk_pixbuf_get_has_alpha (pixbuf));
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w = gdk_pixbuf_get_width (pixbuf);
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h = gdk_pixbuf_get_height (pixbuf);
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rowstride = gdk_pixbuf_get_rowstride (pixbuf);
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data = g_malloc (w * h * 4);
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image = XCreateImage (dpy,
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NULL,
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32,
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ZPixmap,
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0,
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data,
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w, h,
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8,
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w * 4);
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p = gdk_pixbuf_get_pixels (pixbuf);
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d = data;
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end = p + rowstride*h;
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/* Convert from RGBA as contained in the pixmap to ARGB as used in X */
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for (line = p; line < end ; line += rowstride)
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{
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p = line;
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endofline = p + 4 * w;
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for (p = line; p < endofline; p += 4, d+=4)
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{
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# define r ((guint32)(*(p)))
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# define g ((guint32)(*(p+1)))
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# define b ((guint32)(*(p+2)))
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# define a ((guint32)(*(p+3)))
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guint32 pixel =
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((a << 24) & 0xFF000000 ) |
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((r << 16) & 0x00FF0000 ) |
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((g << 8) & 0x0000FF00) |
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((b) & 0x000000FF );
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*((guint32 *)d) = pixel;
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}
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# undef r
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# undef g
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# undef b
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# undef a
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}
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g_object_unref (pixbuf);
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pixmap = XCreatePixmap (dpy,
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DefaultRootWindow (dpy),
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w, h,
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32);
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gc = XCreateGC (dpy,
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pixmap,
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0,
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&gc_values);
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XPutImage (dpy,
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pixmap,
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gc,
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image,
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0, 0,
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0, 0,
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w, h);
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XFreeGC (dpy, gc);
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XDestroyImage (image);
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if (width) *width = w;
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if (height) *height = h;
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if (depth) *depth = 32;
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return pixmap;
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}
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# endif /* USE_GDKPIXBUF */
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/* each time the timeline animating the label completes, swap the direction */
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static void
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timeline_completed (ClutterTimeline *timeline,
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gpointer user_data)
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{
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clutter_timeline_set_direction (timeline,
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!clutter_timeline_get_direction (timeline));
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clutter_timeline_start (timeline);
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}
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G_MODULE_EXPORT int
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test_pixmap_main (int argc, char **argv)
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{
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#ifdef USE_GDKPIXBUF
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GOptionContext *context;
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Display *xdpy;
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int screen;
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Window rootwin;
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ClutterActor *group, *label, *stage, *tex;
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Pixmap pixmap;
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const ClutterColor gry = { 0x99, 0x99, 0x99, 0xFF };
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Window win_remote;
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guint w, h, d;
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GC gc;
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ClutterTimeline *timeline;
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ClutterAlpha *alpha;
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ClutterBehaviour *depth_behavior;
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int i;
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int row_height;
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clutter_init (&argc, &argv);
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xdpy = clutter_x11_get_default_display ();
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XSynchronize (xdpy, True);
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context = g_option_context_new (" - test-pixmap options");
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g_option_context_add_main_entries (context, g_options, NULL);
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g_option_context_parse (context, &argc, &argv, NULL);
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pixmap = create_pixmap (&w, &h, &d);
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screen = DefaultScreen(xdpy);
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rootwin = RootWindow(xdpy, screen);
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win_remote = XCreateSimpleWindow (xdpy, DefaultRootWindow(xdpy),
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0, 0, 200, 200,
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0,
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WhitePixel(xdpy, screen),
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WhitePixel(xdpy, screen));
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XMapWindow (xdpy, win_remote);
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stage = clutter_stage_get_default ();
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clutter_actor_set_position (stage, 0, 150);
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clutter_stage_set_color (CLUTTER_STAGE (stage), &gry);
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timeline = clutter_timeline_new (5000);
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g_signal_connect (timeline,
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"completed", G_CALLBACK (timeline_completed),
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NULL);
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alpha = clutter_alpha_new_full (timeline, CLUTTER_LINEAR);
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depth_behavior = clutter_behaviour_depth_new (alpha, -2500, 400);
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group = clutter_group_new ();
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), group);
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label = clutter_text_new_with_text ("fixed", "ClutterX11Texture (Window)");
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clutter_container_add_actor (CLUTTER_CONTAINER (group), label);
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tex = clutter_x11_texture_pixmap_new_with_window (win_remote);
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clutter_container_add_actor (CLUTTER_CONTAINER (group), tex);
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clutter_actor_set_position (tex, 0, 20);
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clutter_x11_texture_pixmap_set_automatic (CLUTTER_X11_TEXTURE_PIXMAP (tex),
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TRUE);
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clutter_texture_set_filter_quality (CLUTTER_TEXTURE (tex),
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CLUTTER_TEXTURE_QUALITY_HIGH);
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clutter_actor_set_position (group, 0, 0);
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clutter_behaviour_apply (depth_behavior, group);
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#ifdef HAVE_CLUTTER_GLX
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/* a window with glx */
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if (!disable_glx)
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{
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group = clutter_group_new ();
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), group);
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label = clutter_text_new_with_text ("fixed",
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"ClutterGLXTexture (Window)");
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clutter_container_add_actor (CLUTTER_CONTAINER (group), label);
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tex = clutter_glx_texture_pixmap_new_with_window (win_remote);
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clutter_container_add_actor (CLUTTER_CONTAINER (group), tex);
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clutter_actor_set_position (tex, 0, 20);
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clutter_x11_texture_pixmap_set_automatic (CLUTTER_X11_TEXTURE_PIXMAP (tex),
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TRUE);
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clutter_texture_set_filter_quality (CLUTTER_TEXTURE (tex),
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CLUTTER_TEXTURE_QUALITY_HIGH);
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clutter_actor_set_position (group,
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clutter_actor_get_width (stage)
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- clutter_actor_get_width (tex),
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0);
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clutter_behaviour_apply (depth_behavior, group);
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if (!clutter_glx_texture_pixmap_using_extension (
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CLUTTER_GLX_TEXTURE_PIXMAP (tex)))
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g_print ("NOTE: Using fallback path, not GLX TFP!\n");
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}
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#endif /* HAVE_CLUTTER_GLX */
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row_height = clutter_actor_get_height (group);
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/* NB: We only draw on the window after being redirected, so we dont
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* have to worry about handling expose events... */
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gc = XCreateGC (xdpy, win_remote, 0, NULL);
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XSetForeground (xdpy, gc, BlackPixel (xdpy, screen));
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XSetLineAttributes(xdpy, gc, 5, LineSolid, CapButt, JoinMiter);
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for (i = 0; i < 10; i++)
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XDrawLine (xdpy, win_remote, gc, 0+i*20, 0, 10+i*20+i, 200);
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group = clutter_group_new ();
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), group);
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label = clutter_text_new_with_text ("fixed", "ClutterX11Texture (Pixmap)");
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clutter_container_add_actor (CLUTTER_CONTAINER (group), label);
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tex = clutter_x11_texture_pixmap_new_with_pixmap (pixmap);
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clutter_container_add_actor (CLUTTER_CONTAINER (group), tex);
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clutter_actor_set_position (tex, 0, 20);
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clutter_texture_set_filter_quality (CLUTTER_TEXTURE (tex),
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CLUTTER_TEXTURE_QUALITY_HIGH);
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/* oddly, the actor's size is 0 until it is realized, even though
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pixmap-height is set */
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clutter_actor_set_position (group, 0, row_height);
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clutter_behaviour_apply (depth_behavior, group);
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g_signal_connect (stage, "key-release-event",
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G_CALLBACK (stage_key_release_cb), (gpointer)pixmap);
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g_signal_connect (stage, "button-press-event",
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G_CALLBACK (stage_button_press_cb), (gpointer)pixmap);
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clutter_actor_show (stage);
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clutter_timeline_start (timeline);
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clutter_main ();
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# endif /* USE_GDKPIXBUF */
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return EXIT_SUCCESS;
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}
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#else /* HAVE_CLUTTER_GLX */
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int test_pixmap_main (int argc, char **argv) { return EXIT_SUCCESS; };
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#endif /* HAVE_CLUTTER_GLX */
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