swaybar: Add support for custom separator symbol

swaybar/main.c

@@ -75,6 +75,7 @@ char *output, *status_command;
 struct registry *registry;
 struct window *window;
 bool dirty = true;
+char *separator_symbol = NULL;
 typedef enum {UNDEF, TEXT, I3BAR} command_protocol;
 command_protocol protocol = UNDEF;
 
@@ -289,7 +290,7 @@ void bar_ipc_init(int outputi, const char *bar_id) {
 	json_object *bar_config = json_tokener_parse(res);
 	json_object *tray_output, *mode, *hidden_state, *position, *_status_command;
 	json_object *font, *bar_height, *workspace_buttons, *strip_workspace_numbers;
-	json_object *binding_mode_indicator, *verbose, *_colors;
+	json_object *binding_mode_indicator, *verbose, *_colors, *sep_symbol;
 	json_object_object_get_ex(bar_config, "tray_output", &tray_output);
 	json_object_object_get_ex(bar_config, "mode", &mode);
 	json_object_object_get_ex(bar_config, "hidden_state", &hidden_state);
@@ -301,6 +302,7 @@ void bar_ipc_init(int outputi, const char *bar_id) {
 	json_object_object_get_ex(bar_config, "strip_workspace_numbers", &strip_workspace_numbers);
 	json_object_object_get_ex(bar_config, "binding_mode_indicator", &binding_mode_indicator);
 	json_object_object_get_ex(bar_config, "verbose", &verbose);
+	json_object_object_get_ex(bar_config, "separator_symbol", &sep_symbol);
 	json_object_object_get_ex(bar_config, "colors", &_colors);
 
 	// TODO: More of these options
@@ -317,6 +319,10 @@ void bar_ipc_init(int outputi, const char *bar_id) {
 		window->font = parse_font(json_object_get_string(font));
 	}
 
+	if (sep_symbol) {
+		separator_symbol = strdup(json_object_get_string(sep_symbol));
+	}
+
 	if (bar_height) {
 		int width, height;
 		get_text_size(window, &width, &height, "Test string for measuring purposes");
@@ -438,7 +444,7 @@ void render_sharp_line(cairo_t *cairo, uint32_t color, double x, double y, doubl
 }
 
 void render_block(struct status_block *block, double *x, bool edge) {
-	int width, height;
+	int width, height, sep_width;
 	get_text_size(window, &width, &height, "%s", block->full_text);
 
 	int textwidth = width;
@@ -462,6 +468,13 @@ void render_block(struct status_block *block, double *x, bool edge) {
 
 	// Add separator
 	if (!edge) {
+		if (separator_symbol) {
+			get_text_size(window, &sep_width, &height, "%s", separator_symbol);
+			if (sep_width > block->separator_block_width) {
+				block->separator_block_width = sep_width + margin * 2;
+			}
+		}
+
 		*x -= block->separator_block_width;
 	} else {
 		*x -= margin;
@@ -535,14 +548,23 @@ void render_block(struct status_block *block, double *x, bool edge) {
 		pos += block->border_right;
 	}
 
+	sway_log(L_DEBUG, "%s", separator_symbol);
+
 	// render separator
-	// TODO: Handle custom separator
 	if (!edge && block->separator) {
 		cairo_set_source_u32(window->cairo, colors.separator);
-		cairo_set_line_width(window->cairo, 1);
-		cairo_move_to(window->cairo, pos + block->separator_block_width/2, margin);
-		cairo_line_to(window->cairo, pos + block->separator_block_width/2, window->height - margin);
-		cairo_stroke(window->cairo);
+		if (separator_symbol) {
+			offset = pos + (block->separator_block_width - sep_width) / 2;
+			cairo_move_to(window->cairo, offset, margin);
+			pango_printf(window, "%s", separator_symbol);
+		} else {
+			cairo_set_line_width(window->cairo, 1);
+			cairo_move_to(window->cairo, pos + block->separator_block_width/2,
+					margin);
+			cairo_line_to(window->cairo, pos + block->separator_block_width/2,
+					window->height - margin);
+			cairo_stroke(window->cairo);
+		}
 	}
 
 }