Initial revision

1 files changed, 114 insertions, 0 deletions

diff --git a/lpevent.c b/lpevent.c
new file mode 100644
index 0000000..334fe98
--- /dev/null
+++ b/lpevent.c
@@ -0,0 +1,114 @@
+/*
+ * $Id$
+ *
+ * Copyright © 2004 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "lpint.h"
+
+static void
+process_destroy_notify (XDestroyWindowEvent *event)
+{
+    remove_window (event->display, event->window);
+}
+
+static void
+process_configure_notify (XConfigureEvent *event)
+{
+    light_pipe_window	*lpw = find_window (event->display, event->window);
+
+    if (!lpw)
+	return;
+    if (event->width != lpw->public.geometry.width ||
+	event->height != lpw->public.geometry.height)
+    {
+	lpw->public.geometry.width = event->width;
+	lpw->public.geometry.height = event->height;
+	destroy_window_image (lpw);
+	create_window_image (lpw);
+	damage_window (lpw, 0, 0, event->width, event->height);
+    }
+    lpw->public.geometry.x = event->x;
+    lpw->public.geometry.y = event->y;
+    lpw->public.border_width = event->border_width;
+}
+
+static void
+process_damage_notify (XDamageNotifyEvent *event)
+{
+    light_pipe_window	*lpw = find_window (event->display, event->drawable);
+
+    if (!lpw)
+	return;
+    damage_window (lpw, 
+		   event->area.x,
+		   event->area.y,
+		   event->area.width,
+		   event->area.height);
+}
+
+static void
+process_event (XEvent *event)
+{
+    Display		*display = event->xany.display;
+    light_pipe_display	*lpd = find_display (display);
+
+    if (!lpd)
+	return;
+    switch (event->type) {
+    case DestroyNotify:
+	process_destroy_notify ((XDestroyWindowEvent *) event);
+	return;
+    case ConfigureNotify:
+	process_configure_notify ((XConfigureEvent *) event);
+	return;
+    default:
+	break;
+    }
+    switch (event->type - lpd->damage.event_base) {
+    case XDamageNotify:
+	process_damage_notify ((XDamageNotifyEvent *) event);
+	return;
+    default:
+	break;
+    }
+}
+
+Bool
+await_event (Display *display)
+{
+    XEvent  event;
+
+    XPeekEvent (display, &event);
+    return True;
+}
+
+void
+process_events (Display *display)
+{
+    while (XPending (display))
+    {
+	XEvent	event;
+
+	XNextEvent (display, &event);
+	process_event (&event);
+    }
+}