Support for custom bg colors for clients.

include/config.h

@@ -112,6 +112,7 @@ struct Config {
 
         /* Color codes are stored here */
         struct config_client {
+                uint32_t background;
                 struct Colortriple focused;
                 struct Colortriple focused_inactive;
                 struct Colortriple unfocused;

src/cfgparse.l

@@ -101,6 +101,7 @@ stack-limit                     { return TOKSTACKLIMIT; }
 cols                            { yylval.number = STACK_LIMIT_COLS; return TOKSTACKLIMIT; }
 rows                            { yylval.number = STACK_LIMIT_ROWS; return TOKSTACKLIMIT; }
 exec                            { BEGIN(BIND_AWS_COND); return TOKEXEC; }
+client.background               { BEGIN(COLOR_COND); yylval.single_color = &config.client.background; return TOKSINGLECOLOR; }
 client.focused                  { BEGIN(COLOR_COND); yylval.color = &config.client.focused; return TOKCOLOR; }
 client.focused_inactive         { BEGIN(COLOR_COND); yylval.color = &config.client.focused_inactive; return TOKCOLOR; }
 client.unfocused                { BEGIN(COLOR_COND); yylval.color = &config.client.unfocused; return TOKCOLOR; }

src/cfgparse.y

@@ -197,6 +197,7 @@ void parse_file(const char *f) {
 %union {
         int number;
         char *string;
+        uint32_t *single_color;
         struct Colortriple *color;
         struct Assignment *assignment;
         struct Binding *binding;
@@ -225,6 +226,7 @@ void parse_file(const char *f) {
 %token TOKSET
 %token TOKIPCSOCKET "ipc_socket"
 %token TOKEXEC "exec"
+%token TOKSINGLECOLOR
 %token TOKCOLOR
 %token TOKARROW "→"
 %token TOKMODE "mode"
@@ -255,6 +257,7 @@ line:
         | assign
         | ipcsocket
         | exec
+        | single_color
         | color
         | terminal
         | font
@@ -577,6 +580,13 @@ font:
         }
         ;
 
+single_color:
+        TOKSINGLECOLOR WHITESPACE colorpixel
+        {
+                uint32_t *dest = $<single_color>1;
+                *dest = $<number>3;
+        }
+        ;
 
 color:
         TOKCOLOR WHITESPACE colorpixel WHITESPACE colorpixel WHITESPACE colorpixel

src/config.c

@@ -371,6 +371,7 @@ void load_configuration(xcb_connection_t *conn, const char *override_configpath,
                 x.text = get_colorpixel(conn, ctext); \
         } while (0)
 
+        config.client.background = get_colorpixel(conn, "#000000");
         INIT_COLOR(config.client.focused, "#4c7899", "#285577", "#ffffff");
         INIT_COLOR(config.client.focused_inactive, "#333333", "#5f676a", "#ffffff");
         INIT_COLOR(config.client.unfocused, "#333333", "#222222", "#888888");

src/handlers.c

@@ -817,8 +817,8 @@ int handle_expose_event(void *data, xcb_connection_t *conn, xcb_expose_event_t *
                                         {client->rect.width-1, 0}};                       /* right upper edge */
                 xcb_poly_line(conn, XCB_COORD_MODE_ORIGIN, client->frame, client->titlegc, 4, points);
 
-                /* Draw a black background */
+                /* Draw the background */
-                xcb_change_gc_single(conn, client->titlegc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
+                xcb_change_gc_single(conn, client->titlegc, XCB_GC_FOREGROUND, config.client.background);
                 if (client->titlebar_position == TITLEBAR_OFF && !client->borderless) {
                         xcb_rectangle_t crect = {1, 0, client->rect.width - (1 + 1), client->rect.height - 1};
                         xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);

src/layout.c

@@ -135,7 +135,7 @@ void decorate_window(xcb_connection_t *conn, Client *client, xcb_drawable_t draw
 
         /* Draw a rectangle in background color around the window */
         if (client->borderless && mode == MODE_DEFAULT)
-                xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
+                xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, config.client.background);
         else xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, color->background);
 
         /* In stacking mode, we only render the rect for this specific decoration */
@@ -151,9 +151,9 @@ void decorate_window(xcb_connection_t *conn, Client *client, xcb_drawable_t draw
                 xcb_rectangle_t rect = {0, 0, client->rect.width, client->rect.height};
                 xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
 
-                /* Draw the inner background to have a black frame around clients (such as mplayer)
+                /* Draw the inner background to a frame around clients (such as mplayer)
                    which cannot be resized exactly in our frames and therefore are centered */
-                xcb_change_gc_single(conn, client->titlegc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
+                xcb_change_gc_single(conn, client->titlegc, XCB_GC_FOREGROUND, config.client.background);
                 if (client->titlebar_position == TITLEBAR_OFF && client->borderless) {
                         xcb_rectangle_t crect = {0, 0, client->rect.width, client->rect.height};
                         xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
@@ -547,7 +547,7 @@ void render_container(xcb_connection_t *conn, Container *container) {
                  * amount of windows */
                 if (container->mode == MODE_STACK) {
                         if (container->stack_limit == STACK_LIMIT_COLS && (current_col % 2) != 0) {
-                                xcb_change_gc_single(conn, stack_win->pixmap.gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
+                                xcb_change_gc_single(conn, stack_win->pixmap.gc, XCB_GC_FOREGROUND, config.client.background);
 
                                 int offset_x = current_col * (stack_win->rect.width / container->stack_limit_value);
                                 int offset_y = current_row * decoration_height;
@@ -556,7 +556,7 @@ void render_container(xcb_connection_t *conn, Container *container) {
                                                         offset_y + decoration_height };
                                 xcb_poly_fill_rectangle(conn, stack_win->pixmap.id, stack_win->pixmap.gc, 1, &rect);
                         } else if (container->stack_limit == STACK_LIMIT_ROWS && (current_row % 2) != 0) {
-                                xcb_change_gc_single(conn, stack_win->pixmap.gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
+                                xcb_change_gc_single(conn, stack_win->pixmap.gc, XCB_GC_FOREGROUND, config.client.background);
 
                                 int offset_x = current_col * wrap;
                                 int offset_y = current_row * decoration_height;