Highlite current window's appicon

This patch highlites appicon of a currently focused window.

Original-patch-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Alexey I. Froloff <raorn@altlinux.org>

src/actions.c

@@ -132,8 +132,10 @@ void wSetFocusTo(WScreen *scr, WWindow *wwin)
 		XSetInputFocus(dpy, scr->no_focus_win, RevertToParent, CurrentTime);
 		if (old_focused)
 			wWindowUnfocus(old_focused);
-		if (oapp)
+		if (oapp) {
 			wAppMenuUnmap(oapp->menu);
+			wApplicationDeactivate(oapp);
+		}
 
 		WMPostNotificationName(WMNChangedFocus, NULL, (void *)True);
 		return;
@@ -194,8 +196,10 @@ void wSetFocusTo(WScreen *scr, WWindow *wwin)
 		wwin->next = NULL;
 		scr->focused_window = wwin;
 
-		if (oapp && oapp != napp)
+		if (oapp && oapp != napp) {
 			wAppMenuUnmap(oapp->menu);
+			wApplicationDeactivate(oapp);
+		}
 	}
 
 	wWindowFocus(wwin, focused);
@@ -207,6 +211,7 @@ void wSetFocusTo(WScreen *scr, WWindow *wwin)
 
 		if (wwin->flags.mapped)
 			wAppMenuMap(napp->menu, wwin);
+		wApplicationActivate(napp);
 	}
 
 	XFlush(dpy);

src/application.c

@@ -434,6 +434,8 @@ void wApplicationDestroy(WApplication * wapp)
 
 	XDeleteContext(dpy, wapp->main_window, wAppWinContext);
 	wAppMenuDestroy(wapp->menu);
+	wApplicationDeactivate(wapp);
+
 	if (wapp->app_icon) {
 		if (wapp->app_icon->docked && !wapp->app_icon->attracted) {
 			wapp->app_icon->running = 0;

src/application.h

@@ -62,5 +62,23 @@ void wApplicationExtractDirPackIcon(WScreen *scr,char *path, char *wm_instance,
                                     char *wm_class);
 
 void wAppBounce(WApplication *);
-#endif
 
+#ifdef NEWAPPICON
+#define wApplicationActivate(wapp) do { \
+		if (wapp->app_icon) { \
+			wIconSetHighlited(wapp->app_icon->icon, True); \
+			wAppIconPaint(wapp->app_icon);\
+		} \
+	} while (0)
+#define wApplicationDeactivate(wapp) do { \
+		if (wapp->app_icon) { \
+			wIconSetHighlited(wapp->app_icon->icon, False); \
+			wAppIconPaint(wapp->app_icon);\
+		} \
+	} while (0)
+#else
+#define wApplicationActivate(wapp) do { } while (0)
+#define wApplicationDeactivate(wapp) do { } while (0)
+#endif /* NEWAPPICON */
+
+#endif

src/icon.c

@@ -279,7 +279,7 @@ static void drawIconTitle(WScreen * scr, Pixmap pixmap, int height)
 		  wPreferences.icon_size - 1, 0, wPreferences.icon_size - 1, height + 1);
 }
 
-static Pixmap makeIcon(WScreen * scr, RImage * icon, int titled, int shadowed, int tileType)
+static Pixmap makeIcon(WScreen *scr, RImage *icon, int titled, int shadowed, int tileType, int highlighted)
 {
 	RImage *tile;
 	Pixmap pixmap;
@@ -322,6 +322,13 @@ static Pixmap makeIcon(WScreen * scr, RImage * icon, int titled, int shadowed, i
 		color.alpha = 150;	/* about 60% */
 		RClearImage(tile, &color);
 	}
+	if (highlighted) {
+		RColor color;
+
+		color.red = color.green = color.blue = 0;
+		color.alpha = 160;
+		RLightImage(tile, &color);
+	}
 
 	if (!RConvertImage(scr->rcontext, tile, &pixmap)) {
 		wwarning(_("error rendering image:%s"), RMessageForError(RErrorCode));
@@ -520,6 +527,18 @@ static void cycleColor(void *data)
 	icon->handlerID = WMAddTimerHandler(COLOR_CYCLE_DELAY, cycleColor, icon);
 }
 
+#ifdef NEWAPPICON
+void wIconSetHighlited(WIcon *icon, Bool flag)
+{
+	if (icon->highlighted == flag)
+		return;
+
+	icon->highlighted = flag;
+	icon->force_paint = True;
+	wIconPaint(icon);
+}
+#endif
+
 void wIconSelect(WIcon * icon)
 {
 	WScreen *scr = icon->core->screen_ptr;
@@ -669,7 +688,7 @@ void wIconUpdate(WIcon * icon)
 
 		if (icon->image) {
 			icon->pixmap = makeIcon(scr, icon->image, icon->show_title,
-						icon->shadowed, icon->tile_type);
+						icon->shadowed, icon->tile_type, icon->highlighted);
 		} else {
 			/* make default icons */
 
@@ -696,8 +715,8 @@ void wIconUpdate(WIcon * icon)
  make_icons:
 
 				image = wIconValidateIconSize(scr, image);
-				scr->def_icon_pixmap = makeIcon(scr, image, False, False, icon->tile_type);
-				scr->def_ticon_pixmap = makeIcon(scr, image, True, False, icon->tile_type);
+				scr->def_icon_pixmap = makeIcon(scr, image, False, False, icon->tile_type, icon->highlighted);
+				scr->def_ticon_pixmap = makeIcon(scr, image, True, False, icon->tile_type, icon->highlighted);
 				if (image)
 					RReleaseImage(image);
 			}

wrlib/libwraster.map

@@ -50,6 +50,7 @@ LIBWRASTER3
     RGetSubImage;
     RGetXImage;
     RHSVtoRGB;
+    RLightImage;
     RLoadImage;
     RMakeCenteredImage;
     RMakeTiledImage;

wrlib/misc.c

@@ -140,7 +140,7 @@ void RClearImage(RImage * image, RColor * color)
 		}
 	} else {
 		int bytes = image->width * image->height;
-		int alpha, nalpha, r, g, b;
+		int alpha, nalpha, r, g, b, s;
 
 		alpha = color->alpha;
 		r = color->red * alpha;
@@ -148,18 +148,51 @@ void RClearImage(RImage * image, RColor * color)
 		b = color->blue * alpha;
 		nalpha = 255 - alpha;
 
-		for (i = 0; i < bytes; i++) {
-			*d = (((int)*d * nalpha) + r) / 256;
-			d++;
-			*d = (((int)*d * nalpha) + g) / 256;
-			d++;
-			*d = (((int)*d * nalpha) + b) / 256;
-			d++;
-			if (image->format == RRGBAFormat) {
-				d++;
+		s = (image->format == RRGBAFormat) ? 4 : 3;
+
+		for (i = 0; i < bytes; i++, d += s) {
+			d[0] = (((int)d[0] * nalpha) + r)/256;
+			d[1] = (((int)d[1] * nalpha) + g)/256;
+			d[2] = (((int)d[2] * nalpha) + b)/256;
 		}
 	}
 }
+
+static __inline__ unsigned char clip(int c)
+{
+	if (c > 255)
+		c = 255;
+	return (unsigned char)c;
+}
+
+void RLightImage(RImage *image, RColor *color)
+{
+	unsigned char *d = image->data;
+	unsigned char *dd;
+	int alpha, r, g, b, s;
+
+	s = (image->format == RRGBAFormat) ? 4 : 3;
+	dd = d + s*image->width*image->height;
+
+	r = color->red;
+	g = color->green;
+	b = color->blue;
+
+	alpha = color->alpha;
+
+	if (r == 0 && g == 0 && b == 0) {
+		for (; d < dd; d += s) {
+			d[0] = clip(((int)d[0] * alpha)/128);
+			d[1] = clip(((int)d[1] * alpha)/128);
+			d[2] = clip(((int)d[2] * alpha)/128);
+		}
+	} else {
+		for (; d < dd; d += s) {
+			d[0] = clip((((int)d[0] * alpha) + r)/128);
+			d[1] = clip((((int)d[1] * alpha) + g)/128);
+			d[2] = clip((((int)d[2] * alpha) + b)/128);
+		}
+	}
 }
 
 const char *RMessageForError(int errorCode)

wrlib/wraster.h

@@ -411,6 +411,8 @@ void RHSVtoRGB(RHSVColor *hsv, RColor *rgb);
  */
 void RClearImage(RImage *image, RColor *color);
 
+void RLightImage(RImage *image, RColor *color);
+
 void RFillImage(RImage *image, RColor *color);
 
 void RBevelImage(RImage *image, int bevel_type);