From 1cac8a5e1d6b6971193c78de22ba539911dcf406 Mon Sep 17 00:00:00 2001
From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
Date: Mon, 10 Dec 2012 03:03:12 -0600
Subject: Fix kompmgr shadow support Add kompmgr settings reload method to twin
 DCOP Fix up kompmgr kcontrol module Make default TDM login screen appearance
 more like the rest of the TDE login system

---
 twin/kompmgr/kompmgr.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 52 insertions(+), 2 deletions(-)

(limited to 'twin/kompmgr')

diff --git a/twin/kompmgr/kompmgr.c b/twin/kompmgr/kompmgr.c
index 82166766e..f203c32d0 100644
--- a/twin/kompmgr/kompmgr.c
+++ b/twin/kompmgr/kompmgr.c
@@ -277,6 +277,15 @@ get_opacity_percent(Display *dpy, win *w);
 static XserverRegion
 win_extents (Display *dpy, win *w);
 
+static void
+presum_gaussian (conv *map);
+
+static conv *
+make_gaussian_map (Display *dpy, double r);
+
+Picture
+solid_picture (Display *dpy, Bool argb, double a, double r, double g, double b);
+
 CompMode    compMode = CompSimple;
 
 int	    shadowRadius = 12;
@@ -403,6 +412,27 @@ void delete_pid_file()
 #endif
 }
 
+void clear_shadow_cache()
+{
+    win *w;
+
+    for (w = list; w; w = w->next) {
+        if (w->shadow)
+        {
+            XRenderFreePicture (dpy, w->shadow);
+            w->shadow = None;
+            if (w->opacity != OPAQUE && !w->alphaPict)
+                w->alphaPict = solid_picture (dpy, False,
+                    (double) w->opacity / OPAQUE, shadowColor.red, shadowColor.green, shadowColor.blue);
+            if( w->extents != None ) {
+                XFixesDestroyRegion( dpy, w->extents );
+            }
+            w->extents = win_extents (dpy, w);
+            w->damaged = 1; /* redraw */
+	}
+    }
+}
+
 void handle_siguser (int sig)
 {
     int uidnum;
@@ -456,6 +486,19 @@ void handle_siguser (int sig)
 
         loadConfig(filename); /* reload the configuration file */
 
+        /* set background/shadow picture using the new settings */
+        blackPicture = solid_picture (dpy, True, 1, (double)(shadowColor.red)/0xff, (double)(shadowColor.green)/0xff, (double)(shadowColor.blue)/0xff);
+        if (compMode == CompServerShadows)
+            transBlackPicture = solid_picture (dpy, True, 0.3, 0, 0, 0);
+
+        /* regenerate shadows using the new settings */
+        if (compMode == CompClientShadows)
+        {
+            gaussianMap = make_gaussian_map(dpy, shadowRadius);
+            presum_gaussian (gaussianMap);
+        }
+        clear_shadow_cache();
+
         free(filename);
         filename = NULL;
     }
@@ -1419,7 +1462,6 @@ paint_all (Display *dpy, XserverRegion region)
 		{
 			w->borderClip = XFixesCreateRegion (dpy, 0, 0);
 			XFixesCopyRegion (dpy, w->borderClip, region);
-			XFixesIntersectRegion(dpy, w->borderClip, w->borderClip, w->borderSize);
 		}
 		w->prev_trans = t;
 		t = w;
@@ -2892,6 +2934,8 @@ options[NUMBEROFOPTIONS] = {
 
 void
 setValue(Option option, char *value ){
+	int i;
+
 	switch(option){ /*please keep that upside-down, because this way adding a new option is easier (all in one view)*/
 
 		case FadeDelta:
@@ -2920,7 +2964,7 @@ setValue(Option option, char *value ){
 			break;
 		case ShadowRadius:
 			shadowRadius = atoi(value);
-			break;                    
+			break;
 		case ShadowColor:
 			setShadowColor(value);
 			break;
@@ -2955,12 +2999,18 @@ setValue(Option option, char *value ){
 		case Compmode:
 			if( strcasecmp(value, "CompClientShadows") == 0 ){
 				compMode = CompClientShadows;
+				for (i = 0; i < NUM_WINTYPES; ++i)
+					winTypeShadow[i] = True;
 			}
 			else if( strcasecmp(value, "CompServerShadows") == 0 ){
 				compMode = CompServerShadows;
+				for (i = 0; i < NUM_WINTYPES; ++i)
+					winTypeShadow[i] = True;
 			}
 			else{
 				compMode = CompSimple; /*default*/
+				for (i = 0; i < NUM_WINTYPES; ++i)
+					winTypeShadow[i] = False;
 			}
 			break;
 		case Display_:
-- 
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