aboutsummaryrefslogtreecommitdiffstats
path: root/xcompmgr.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--xcompmgr.c148
1 files changed, 139 insertions, 9 deletions
diff --git a/xcompmgr.c b/xcompmgr.c
index f17c5cb..b56cdcf 100644
--- a/xcompmgr.c
+++ b/xcompmgr.c
@@ -22,6 +22,12 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
+
+/* Modified by Matthew Hawn. I don't know what to say here so follow what it
+ says above. Not that I can really do anything about it
+*/
+
+
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
@@ -74,6 +80,15 @@ Picture blackPicture;
Picture rootTile;
XserverRegion allDamage;
int root_height, root_width;
+
+
+/* find these once and be done with it */
+Atom transPropAtom;
+Atom intAtom;
+
+/* translucency property name */
+#define TRANS_PROP "CM_TRANSLUCENCY"
+
conv *gaussianMap;
#define WINDOW_SOLID 0
@@ -598,6 +613,10 @@ map_win (Display *dpy, Window id, unsigned long sequence)
if (!w)
return;
w->a.map_state = IsViewable;
+
+ /* make sure we know if property was changed */
+ XSelectInput(dpy, id, PropertyChangeMask);
+
w->damaged = 0;
}
@@ -615,6 +634,96 @@ unmap_win (Display *dpy, Window id)
add_damage (dpy, w->extents); /* destroys region */
w->extents = None;
}
+
+ /* don't care about properties anymore */
+ XSelectInput(dpy, id, 0);
+}
+
+
+
+/* Get the translucency prop from window
+ not found: -1
+ otherwise the value
+
+ */
+static int
+get_trans_prop(Display *dpy, win *w)
+{
+ Atom actual;
+ int format;
+ unsigned long n, left;
+
+ char *data;
+ XGetWindowProperty(dpy, w->id, transPropAtom, 0L, 1L, False, intAtom, &actual, &format,
+ &n, &left, (unsigned char **) &data);
+ if (data != None)
+ {
+ int i = (int) *data;
+ XFree( (void *) data);
+ return i;
+ }
+ return -1;
+
+}
+
+/* determine mode for window all in one place.
+ Future might check for menu flag and other cool things
+*/
+
+
+static int
+determine_mode(Display *dpy, win *w)
+{
+ int mode;
+
+ /* if trans prop == -1 fall back on previous tests*/
+
+ int p = get_trans_prop(dpy, w);
+ if ( p != -1 )
+ {
+ if (p > 0)
+ {
+ /* don't really care about the value as long as > 0 */
+ mode = WINDOW_TRANS;
+ }
+ else
+ {
+ mode = WINDOW_SOLID;
+ }
+ }
+
+
+
+ else
+ {
+ XRenderPictFormat *format;
+ if (w->a.class == InputOnly)
+ {
+ format = 0;
+ }
+ else
+ {
+ format = XRenderFindVisualFormat (dpy, w->a.visual);
+ }
+
+
+
+ if (format && format->type == PictTypeDirect && format->direct.alphaMask)
+ {
+ mode = WINDOW_ARGB;
+ }
+ else if (w->a.override_redirect)
+ {
+ /* changed this as a lot of window managers set this for all top
+ level windows */
+ mode = WINDOW_SOLID;
+ }
+ else
+ {
+ mode = WINDOW_SOLID;
+ }
+ }
+ return mode;
}
static void
@@ -669,12 +778,11 @@ add_win (Display *dpy, Window id, Window prev)
new->shadow_height = 0;
new->borderSize = None;
new->extents = None;
- if (format && format->type == PictTypeDirect && format->direct.alphaMask)
- new->mode = WINDOW_ARGB;
- else if (new->a.override_redirect)
- new->mode = WINDOW_TRANS;
- else
- new->mode = WINDOW_SOLID;
+
+
+ /* moved mode setting to one place */
+ new->mode = determine_mode(dpy, new);
+
new->next = *p;
*p = new;
if (new->a.map_state == IsViewable)
@@ -940,6 +1048,11 @@ main (int argc, char **argv)
XSetErrorHandler (error);
scr = DefaultScreen (dpy);
root = RootWindow (dpy, scr);
+
+ /* get atoms */
+ transPropAtom = XInternAtom(dpy, TRANS_PROP, False);
+ intAtom = XInternAtom(dpy, "INTEGER", True);
+
pa.subwindow_mode = IncludeInferiors;
gaussianMap = make_gaussian_map(dpy, SHADOW_RADIUS);
@@ -953,10 +1066,10 @@ main (int argc, char **argv)
c.red = c.green = c.blue = 0;
c.alpha = 0xc0c0;
XRenderFillRectangle (dpy, PictOpSrc, transPicture, &c, 0, 0, 1, 1);
-
+
root_width = DisplayWidth (dpy, scr);
root_height = DisplayHeight (dpy, scr);
-
+
rootPicture = XRenderCreatePicture (dpy, root,
XRenderFindVisualFormat (dpy,
DefaultVisual (dpy, scr)),
@@ -1008,7 +1121,7 @@ main (int argc, char **argv)
#if INTERVAL
int busy_start = 0;
#endif
-/* dump_wins (); */
+ /* dump_wins (); */
do {
XNextEvent (dpy, &ev);
#if INTERVAL
@@ -1089,6 +1202,23 @@ main (int argc, char **argv)
}
}
}
+ /* check if Trans property was changed */
+ if (ev.xproperty.atom == transPropAtom)
+ {
+ /* reset mode and redraw window */
+ win * w = find_win(dpy, ev.xproperty.window);
+ if (w)
+ {
+ w->mode = determine_mode(dpy, w);
+ if (w->extents)
+ {
+ XserverRegion damage;
+ damage = XFixesCreateRegion (dpy, 0, 0);
+ XFixesCopyRegion (dpy, damage, w->extents);
+ add_damage (dpy, damage);
+ }
+ }
+ }
break;
default:
if (ev.type == damage_event + XDamageNotify)