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-rw-r--r--trashapplet/src/xstuff.c536
1 files changed, 536 insertions, 0 deletions
diff --git a/trashapplet/src/xstuff.c b/trashapplet/src/xstuff.c
new file mode 100644
index 00000000..0458f182
--- /dev/null
+++ b/trashapplet/src/xstuff.c
@@ -0,0 +1,536 @@
+/*
+ * MATE panel x stuff
+ *
+ * Copyright (C) 2000, 2001 Eazel, Inc.
+ * 2002 Sun Microsystems Inc.
+ *
+ * Authors: George Lebl <[email protected]>
+ * Mark McLoughlin <[email protected]>
+ *
+ * Contains code from the Window Maker window manager
+ *
+ * Copyright (c) 1997-2002 Alfredo K. Kojima
+
+ */
+#include <config.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+
+#include "xstuff.h"
+
+static Atom
+panel_atom_get (const char *atom_name)
+{
+ static GHashTable *atom_hash;
+ Display *xdisplay;
+ Atom retval;
+
+ g_return_val_if_fail (atom_name != NULL, None);
+
+ xdisplay = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
+
+ if (!atom_hash)
+ atom_hash = g_hash_table_new_full (
+ g_str_hash, g_str_equal, g_free, NULL);
+
+ retval = GPOINTER_TO_UINT (g_hash_table_lookup (atom_hash, atom_name));
+ if (!retval) {
+ retval = XInternAtom (xdisplay, atom_name, FALSE);
+
+ if (retval != None)
+ g_hash_table_insert (atom_hash, g_strdup (atom_name),
+ GUINT_TO_POINTER (retval));
+ }
+
+ return retval;
+}
+
+/* Stolen from deskguide */
+static gpointer
+get_typed_property_data (Display *xdisplay,
+ Window xwindow,
+ Atom property,
+ Atom requested_type,
+ gint *size_p,
+ guint expected_format)
+{
+ static const guint prop_buffer_lengh = 1024 * 1024;
+ unsigned char *prop_data = NULL;
+ Atom type_returned = 0;
+ unsigned long nitems_return = 0, bytes_after_return = 0;
+ int format_returned = 0;
+ gpointer data = NULL;
+ gboolean abort = FALSE;
+
+ g_return_val_if_fail (size_p != NULL, NULL);
+ *size_p = 0;
+
+ gdk_error_trap_push ();
+
+ abort = XGetWindowProperty (xdisplay,
+ xwindow,
+ property,
+ 0, prop_buffer_lengh,
+ False,
+ requested_type,
+ &type_returned, &format_returned,
+ &nitems_return,
+ &bytes_after_return,
+ &prop_data) != Success;
+ if (gdk_error_trap_pop () ||
+ type_returned == None)
+ abort++;
+ if (!abort &&
+ requested_type != AnyPropertyType &&
+ requested_type != type_returned)
+ {
+ g_warning ("%s(): Property has wrong type, probably on crack", G_STRFUNC);
+ abort++;
+ }
+ if (!abort && bytes_after_return)
+ {
+ g_warning ("%s(): Eeek, property has more than %u bytes, stored on harddisk?",
+ G_STRFUNC, prop_buffer_lengh);
+ abort++;
+ }
+ if (!abort && expected_format && expected_format != format_returned)
+ {
+ g_warning ("%s(): Expected format (%u) unmatched (%d), programmer was drunk?",
+ G_STRFUNC, expected_format, format_returned);
+ abort++;
+ }
+ if (!abort && prop_data && nitems_return && format_returned)
+ {
+ switch (format_returned)
+ {
+ case 32:
+ *size_p = nitems_return * 4;
+ if (sizeof (gulong) == 8)
+ {
+ guint32 i, *mem = g_malloc0 (*size_p + 1);
+ gulong *prop_longs = (gulong*) prop_data;
+
+ for (i = 0; i < *size_p / 4; i++)
+ mem[i] = prop_longs[i];
+ data = mem;
+ }
+ break;
+ case 16:
+ *size_p = nitems_return * 2;
+ break;
+ case 8:
+ *size_p = nitems_return;
+ break;
+ default:
+ g_warning ("Unknown property data format with %d bits (extraterrestrial?)",
+ format_returned);
+ break;
+ }
+ if (!data && *size_p)
+ {
+ guint8 *mem = g_malloc (*size_p + 1);
+
+ memcpy (mem, prop_data, *size_p);
+ mem[*size_p] = 0;
+ data = mem;
+ }
+ }
+
+ if (prop_data)
+ XFree (prop_data);
+
+ return data;
+}
+
+gboolean
+xstuff_is_compliant_wm (void)
+{
+ Display *xdisplay;
+ Window root_window;
+ gpointer data;
+ int size;
+
+ xdisplay = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
+ root_window = GDK_WINDOW_XWINDOW (
+ gdk_get_default_root_window ());
+
+ /* FIXME this is totally broken; should be using
+ * gdk_net_wm_supports() on particular hints when we rely
+ * on those particular hints
+ */
+ data = get_typed_property_data (
+ xdisplay, root_window,
+ panel_atom_get ("_NET_SUPPORTED"),
+ XA_ATOM, &size, 32);
+
+ if (!data)
+ return FALSE;
+
+ /* Actually checks for some of these */
+ g_free (data);
+ return TRUE;
+}
+
+gboolean
+xstuff_net_wm_supports (const char *hint)
+{
+ return gdk_net_wm_supports (gdk_atom_intern (hint, FALSE));
+}
+
+void
+xstuff_set_no_group (GdkWindow *win)
+{
+ XWMHints *old_wmhints;
+ XWMHints wmhints = {0};
+
+ XDeleteProperty (GDK_WINDOW_XDISPLAY (win),
+ GDK_WINDOW_XWINDOW (win),
+ panel_atom_get ("WM_CLIENT_LEADER"));
+
+ old_wmhints = XGetWMHints (GDK_WINDOW_XDISPLAY (win),
+ GDK_WINDOW_XWINDOW (win));
+ /* General paranoia */
+ if (old_wmhints != NULL) {
+ memcpy (&wmhints, old_wmhints, sizeof (XWMHints));
+ XFree (old_wmhints);
+
+ wmhints.flags &= ~WindowGroupHint;
+ wmhints.window_group = 0;
+ } else {
+ /* General paranoia */
+ wmhints.flags = StateHint;
+ wmhints.window_group = 0;
+ wmhints.initial_state = NormalState;
+ }
+
+ XSetWMHints (GDK_WINDOW_XDISPLAY (win),
+ GDK_WINDOW_XWINDOW (win),
+ &wmhints);
+}
+
+/* This is such a broken stupid function. */
+void
+xstuff_set_pos_size (GdkWindow *window, int x, int y, int w, int h)
+{
+ XSizeHints size_hints;
+ int old_x, old_y, old_w, old_h;
+
+ old_x = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (window), "xstuff-cached-x"));
+ old_y = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (window), "xstuff-cached-y"));
+ old_w = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (window), "xstuff-cached-w"));
+ old_h = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (window), "xstuff-cached-h"));
+
+ if (x == old_x && y == old_y && w == old_w && h == old_h)
+ return;
+
+ /* Do not add USPosition / USSize here, fix the damn WM */
+ size_hints.flags = PPosition | PSize | PMaxSize | PMinSize;
+ size_hints.x = 0; /* window managers aren't supposed to and */
+ size_hints.y = 0; /* don't use these fields */
+ size_hints.width = w;
+ size_hints.height = h;
+ size_hints.min_width = w;
+ size_hints.min_height = h;
+ size_hints.max_width = w;
+ size_hints.max_height = h;
+
+ gdk_error_trap_push ();
+
+ XSetWMNormalHints (GDK_WINDOW_XDISPLAY (window),
+ GDK_WINDOW_XWINDOW (window),
+ &size_hints);
+
+ gdk_window_move_resize (window, x, y, w, h);
+
+ gdk_flush ();
+ gdk_error_trap_pop ();
+
+ g_object_set_data (G_OBJECT (window), "xstuff-cached-x", GINT_TO_POINTER (x));
+ g_object_set_data (G_OBJECT (window), "xstuff-cached-y", GINT_TO_POINTER (y));
+ g_object_set_data (G_OBJECT (window), "xstuff-cached-w", GINT_TO_POINTER (w));
+ g_object_set_data (G_OBJECT (window), "xstuff-cached-h", GINT_TO_POINTER (h));
+}
+
+void
+xstuff_set_wmspec_dock_hints (GdkWindow *window,
+ gboolean autohide)
+{
+ Atom atoms [2] = { None, None };
+
+ if (!autohide)
+ atoms [0] = panel_atom_get ("_NET_WM_WINDOW_TYPE_DOCK");
+ else {
+ atoms [0] = panel_atom_get ("_MATE_WINDOW_TYPE_AUTOHIDE_PANEL");
+ atoms [1] = panel_atom_get ("_NET_WM_WINDOW_TYPE_DOCK");
+ }
+
+ XChangeProperty (GDK_WINDOW_XDISPLAY (window),
+ GDK_WINDOW_XWINDOW (window),
+ panel_atom_get ("_NET_WM_WINDOW_TYPE"),
+ XA_ATOM, 32, PropModeReplace,
+ (unsigned char *) atoms,
+ autohide ? 2 : 1);
+}
+
+void
+xstuff_set_wmspec_strut (GdkWindow *window,
+ int left,
+ int right,
+ int top,
+ int bottom)
+{
+ long vals [4];
+
+ vals [0] = left;
+ vals [1] = right;
+ vals [2] = top;
+ vals [3] = bottom;
+
+ XChangeProperty (GDK_WINDOW_XDISPLAY (window),
+ GDK_WINDOW_XWINDOW (window),
+ panel_atom_get ("_NET_WM_STRUT"),
+ XA_CARDINAL, 32, PropModeReplace,
+ (unsigned char *) vals, 4);
+}
+
+void
+xstuff_delete_property (GdkWindow *window, const char *name)
+{
+ Display *xdisplay = GDK_WINDOW_XDISPLAY (window);
+ Window xwindow = GDK_WINDOW_XWINDOW (window);
+
+ XDeleteProperty (xdisplay, xwindow,
+ panel_atom_get (name));
+}
+
+/* Zoom animation */
+#define MINIATURIZE_ANIMATION_FRAMES_Z 1
+#define MINIATURIZE_ANIMATION_STEPS_Z 6
+/* the delay per draw */
+#define MINIATURIZE_ANIMATION_DELAY_Z 10
+
+static void
+draw_zoom_animation (GdkScreen *gscreen,
+ int x, int y, int w, int h,
+ int fx, int fy, int fw, int fh,
+ int steps)
+{
+#define FRAMES (MINIATURIZE_ANIMATION_FRAMES_Z)
+ float cx[FRAMES], cy[FRAMES], cw[FRAMES], ch[FRAMES];
+ int cxi[FRAMES], cyi[FRAMES], cwi[FRAMES], chi[FRAMES];
+ float xstep, ystep, wstep, hstep;
+ int i, j;
+ GC frame_gc;
+ XGCValues gcv;
+ GdkColor color = { 65535, 65535, 65535 };
+ Display *dpy;
+ Window root_win;
+ int screen;
+ int depth;
+
+ dpy = gdk_x11_display_get_xdisplay (gdk_screen_get_display (gscreen));
+ root_win = gdk_x11_drawable_get_xid (gdk_screen_get_root_window (gscreen));
+ screen = gdk_screen_get_number (gscreen);
+ depth = gdk_drawable_get_depth (gdk_screen_get_root_window (gscreen));
+
+ /* frame GC */
+ gdk_colormap_alloc_color (
+ gdk_screen_get_system_colormap (gscreen), &color, FALSE, TRUE);
+ gcv.function = GXxor;
+ /* this will raise the probability of the XORed color being different
+ * of the original color in PseudoColor when not all color cells are
+ * initialized */
+ if (DefaultVisual(dpy, screen)->class==PseudoColor)
+ gcv.plane_mask = (1<<(depth-1))|1;
+ else
+ gcv.plane_mask = AllPlanes;
+ gcv.foreground = color.pixel;
+ if (gcv.foreground == 0)
+ gcv.foreground = 1;
+ gcv.line_width = 1;
+ gcv.subwindow_mode = IncludeInferiors;
+ gcv.graphics_exposures = False;
+
+ frame_gc = XCreateGC(dpy, root_win, GCForeground|GCGraphicsExposures
+ |GCFunction|GCSubwindowMode|GCLineWidth
+ |GCPlaneMask, &gcv);
+
+ xstep = (float)(fx-x)/steps;
+ ystep = (float)(fy-y)/steps;
+ wstep = (float)(fw-w)/steps;
+ hstep = (float)(fh-h)/steps;
+
+ for (j=0; j<FRAMES; j++) {
+ cx[j] = (float)x;
+ cy[j] = (float)y;
+ cw[j] = (float)w;
+ ch[j] = (float)h;
+ cxi[j] = (int)cx[j];
+ cyi[j] = (int)cy[j];
+ cwi[j] = (int)cw[j];
+ chi[j] = (int)ch[j];
+ }
+ XGrabServer(dpy);
+ for (i=0; i<steps; i++) {
+ for (j=0; j<FRAMES; j++) {
+ XDrawRectangle(dpy, root_win, frame_gc, cxi[j], cyi[j], cwi[j], chi[j]);
+ }
+ XFlush(dpy);
+#if (MINIATURIZE_ANIMATION_DELAY_Z > 0)
+ usleep(MINIATURIZE_ANIMATION_DELAY_Z);
+#else
+ usleep(10);
+#endif
+ for (j=0; j<FRAMES; j++) {
+ XDrawRectangle(dpy, root_win, frame_gc,
+ cxi[j], cyi[j], cwi[j], chi[j]);
+ if (j<FRAMES-1) {
+ cx[j]=cx[j+1];
+ cy[j]=cy[j+1];
+ cw[j]=cw[j+1];
+ ch[j]=ch[j+1];
+
+ cxi[j]=cxi[j+1];
+ cyi[j]=cyi[j+1];
+ cwi[j]=cwi[j+1];
+ chi[j]=chi[j+1];
+
+ } else {
+ cx[j]+=xstep;
+ cy[j]+=ystep;
+ cw[j]+=wstep;
+ ch[j]+=hstep;
+
+ cxi[j] = (int)cx[j];
+ cyi[j] = (int)cy[j];
+ cwi[j] = (int)cw[j];
+ chi[j] = (int)ch[j];
+ }
+ }
+ }
+
+ for (j=0; j<FRAMES; j++) {
+ XDrawRectangle(dpy, root_win, frame_gc,
+ cxi[j], cyi[j], cwi[j], chi[j]);
+ }
+ XFlush(dpy);
+#if (MINIATURIZE_ANIMATION_DELAY_Z > 0)
+ usleep(MINIATURIZE_ANIMATION_DELAY_Z);
+#else
+ usleep(10);
+#endif
+ for (j=0; j<FRAMES; j++) {
+ XDrawRectangle(dpy, root_win, frame_gc,
+ cxi[j], cyi[j], cwi[j], chi[j]);
+ }
+
+ XUngrabServer(dpy);
+ XFreeGC (dpy, frame_gc);
+ gdk_colormap_free_colors (gdk_screen_get_system_colormap (gscreen),
+ &color, 1);
+}
+#undef FRAMES
+
+void
+xstuff_zoom_animate (GtkWidget *widget, GdkRectangle *opt_rect)
+{
+ GdkScreen *gscreen;
+ GdkRectangle rect, dest;
+ GtkAllocation allocation;
+ int monitor;
+
+ if (opt_rect)
+ rect = *opt_rect;
+ else {
+ gdk_window_get_origin (gtk_widget_get_window (widget), &rect.x, &rect.y);
+ gtk_widget_get_allocation (widget, &allocation);
+ if (!gtk_widget_get_has_window (widget)) {
+ rect.x += allocation.x;
+ rect.y += allocation.y;
+ }
+ rect.height = allocation.height;
+ rect.width = allocation.width;
+ }
+
+ gscreen = gtk_widget_get_screen (widget);
+ monitor = gdk_screen_get_monitor_at_window (gscreen, gtk_widget_get_window (widget));
+ gdk_screen_get_monitor_geometry (gscreen, monitor, &dest);
+
+ draw_zoom_animation (gscreen,
+ rect.x, rect.y, rect.width, rect.height,
+ dest.x, dest.y, dest.width, dest.height,
+ MINIATURIZE_ANIMATION_STEPS_Z);
+}
+
+int
+xstuff_get_current_workspace (GdkScreen *screen)
+{
+ Window root_window;
+ Atom type = None;
+ gulong nitems;
+ gulong bytes_after;
+ gulong *num;
+ int format;
+ int result;
+ int retval;
+
+ root_window = gdk_x11_drawable_get_xid (
+ gdk_screen_get_root_window (screen));
+
+ gdk_error_trap_push ();
+ result = XGetWindowProperty (gdk_display,
+ root_window,
+ panel_atom_get ("_NET_CURRENT_DESKTOP"),
+ 0, G_MAXLONG,
+ False, XA_CARDINAL, &type, &format, &nitems,
+ &bytes_after, (gpointer) &num);
+ if (gdk_error_trap_pop () || result != Success)
+ return -1;
+
+ if (type != XA_CARDINAL) {
+ XFree (num);
+ return -1;
+ }
+
+ retval = *num;
+
+ XFree (num);
+
+ return retval;
+}
+
+void
+xstuff_grab_key_on_all_screens (int keycode,
+ guint modifiers,
+ gboolean grab)
+{
+ GdkDisplay *display;
+ int n_screens;
+ int i;
+
+ display = gdk_display_get_default ();
+ n_screens = gdk_display_get_n_screens (display);
+
+ for (i = 0; i < n_screens; i++) {
+ GdkWindow *root;
+
+ root = gdk_screen_get_root_window (
+ gdk_display_get_screen (display, i));
+
+ if (grab)
+ XGrabKey (gdk_x11_display_get_xdisplay (display),
+ keycode, modifiers,
+ gdk_x11_drawable_get_xid (root),
+ True, GrabModeAsync, GrabModeAsync);
+ else
+ XUngrabKey (gdk_x11_display_get_xdisplay (display),
+ keycode, modifiers,
+ gdk_x11_drawable_get_xid (root));
+ }
+}
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