Improve handling of ARGB visuals a bit.

doc/config_settings.xml

@@ -675,11 +675,22 @@
     <varlistentry>
         <term>
             <command>
-                <option>own_window_argb</option>
+                <option>own_window_argb_visual</option>
             </command>
         </term>
-        <listitem>Boolean, use ARGB visual? ARGB can be used for real transparency,
+		<listitem>Boolean, use ARGB visual? ARGB can be used for real
-	note that a composite manager is required for real transparency.
+			transparency, note that a composite manager is required for real
+			transparency.  This option will not work as desired (in most cases)
+			in conjunction with 'own_window_type override'.
+        <para /></listitem>
+    </varlistentry>
+    <varlistentry>
+        <term>
+            <command>
+                <option>own_window_argb_value</option>
+            </command>
+        </term>
+		<listitem>When ARGB visuals are enabled, this use this to modify the alpha value used.  Valid range is 0-255, where 0 is 0% opacity, and 255 is 100% opacity.  Note that if own_window_transparent is enabled, this value has no effect.
         <para /></listitem>
     </varlistentry>
     <varlistentry>
@@ -688,8 +699,8 @@
                 <option>own_window_transparent</option>
             </command>
         </term>
-        <listitem>Boolean, set transparency? If argb visual is configured
+		<listitem>Boolean, set transparency? If ARGB visual is enabled, sets
-	true transparency is used, else pseudo transparency is used.
+			background opacity to 0%.
         <para /></listitem>
     </varlistentry>
     <varlistentry>

src/conky.c

@@ -2394,7 +2394,7 @@ void evaluate(const char *text, char *p, int p_max_size)
 	tmp_info = malloc(sizeof(struct information));
 	memcpy(tmp_info, &info, sizeof(struct information));
 	parse_conky_vars(&subroot, text, p, p_max_size, tmp_info);
-	DBGP("evaluated '%s' to '%s'", text, p);
+	DBGP2("evaluated '%s' to '%s'", text, p);
 
 	free_text_objects(&subroot, 1);
 	free(tmp_info);
@@ -2705,7 +2705,7 @@ static inline void set_foreground_color(long c)
 	if (output_methods & TO_X) {
 #ifdef USE_ARGB
 		if (have_argb_visual) {
-			current_color = c | (0xff << 24);
+			current_color = c | (own_window_argb_value << 24);
 		} else {
 #endif /* USE_ARGB */
 			current_color = c;
@@ -3575,7 +3575,7 @@ static void main_loop(void)
 						draw_stuff(); /* redraw everything in our newly sized window */
 						XResizeWindow(display, window.window, window.width,
 								window.height); /* resize window */
-						set_transparent_background(window.window);
+						set_transparent_background(window.window, own_window_argb_value);
 #ifdef HAVE_XDBE
 						/* swap buffers */
 						xdbe_swap_buffers();
@@ -3677,7 +3677,7 @@ static void main_loop(void)
 					case ReparentNotify:
 						/* make background transparent */
 						if (own_window) {
-							set_transparent_background(window.window);
+							set_transparent_background(window.window, own_window_argb_value);
 						}
 						break;
 
@@ -4256,6 +4256,7 @@ static void set_default_configurations(void)
 	sprintf(window.title, PACKAGE_NAME" (%s)", info.uname_s.nodename);
 #ifdef USE_ARGB
 	use_argb_visual = 0;
+	own_window_argb_value = 255;
 #endif
 #endif
 	stippled_borders = 0;
@@ -4392,7 +4393,7 @@ static void X11_create_window(void)
 			XMoveWindow(display, window.window, window.x, window.y);
 		}
 		if (own_window) {
-			set_transparent_background(window.window);
+			set_transparent_background(window.window, own_window_argb_value);
 		}
 #endif
 
@@ -5033,6 +5034,12 @@ char load_config_file(const char *f)
 		CONF("own_window_argb_visual") {
 			use_argb_visual = string_to_bool(value);
 		}
+		CONF("own_window_argb_value") {
+			own_window_argb_value = strtol(value, 0, 0);
+			if (own_window_argb_value > 255 || own_window_argb_value < 0) {
+				CONF_ERR2("own_window_argb_value must be <= 255 and >= 0");
+			}
+		}
 #endif /* USE_ARGB */
 #endif
 		CONF("stippled_borders") {

src/core.c

@@ -1196,9 +1196,9 @@ int extract_variable_text_internal(struct text_object *retval, const char *const
 	s = orig_p = p;
 
 	if (strcmp(p, const_p)) {
-		DBGP("replaced all templates in text: input is\n'%s'\noutput is\n'%s'", const_p, p);
+		DBGP2("replaced all templates in text: input is\n'%s'\noutput is\n'%s'", const_p, p);
 	} else {
-		DBGP("no templates to replace");
+		DBGP2("no templates to replace");
 	}
 
 	memset(retval, 0, sizeof(struct text_object));

src/x11.c

@@ -53,6 +53,7 @@ int use_xdbe;
 
 #ifdef USE_ARGB
 int use_argb_visual;
+int own_window_argb_value;
 int have_argb_visual;
 #endif /* USE_ARGB */
 
@@ -178,9 +179,10 @@ static Window find_desktop_window(Window *p_root, Window *p_desktop)
 
 /* if no argb visual is configured sets background to ParentRelative for the Window and all parents,
    else real transparency is used */
-void set_transparent_background(Window win)
+void set_transparent_background(Window win, int alpha)
 {
 	static int colour_set = -1;
+	(void)alpha; /* disable warnings when unused */
 
 #ifdef USE_ARGB
 	if (have_argb_visual) {
@@ -189,7 +191,7 @@ void set_transparent_background(Window win)
 			XSetWindowBackground(display, win, 0x00);
 		} else if (colour_set != background_colour) {
 			XSetWindowBackground(display, win,
-				background_colour | (0xff << 24));
+				background_colour | (alpha << 24));
 			colour_set = background_colour;
 		}
 	} else {
@@ -235,10 +237,12 @@ static int get_argb_visual(Visual** visual, int *depth) {
 			  visual_list[i].blue_mask  == 0x0000ff)) {
 			*visual = visual_list[i].visual;
 			*depth = visual_list[i].depth;
+			DBGP("Found ARGB Visual");
 			return 1;
 		}
 	}
 	// no argb visual available
+	DBGP("No ARGB Visual found");
 	return 0;
 }
 #endif /* USE_ARGB */

src/x11.h

@@ -80,6 +80,8 @@ extern int use_xft;
 extern int use_argb_visual;
 /* 1 if use_argb_visual=1 and argb visual was found, otherwise 0 */
 extern int have_argb_visual;
+/* range of 0-255 for alpha */
+extern int own_window_argb_value;
 #endif
 
 extern Display *display;
@@ -97,7 +99,7 @@ void init_window(int use_own_window, int width, int height, int set_trans,
 	int back_colour, char **argv, int argc);
 void destroy_window(void);
 void create_gc(void);
-void set_transparent_background(Window win);
+void set_transparent_background(Window win, int alpha);
 void get_x11_desktop_info(Display *display, Atom atom);
 void set_struts(int);