Add option to disable persistence

dulcepan.cfg

@@ -33,6 +33,9 @@ animation-duration = 0
 # or when a whole output is selected with a mouse button.
 quick-select = false
 
+# If true, dulcepan will remember selection between runs
+persistence = true
+
 # PNG (zlib) compression level, 0-9
 png-compression = 6
 

src/config.c

@@ -98,6 +98,7 @@ void dp_config_load(struct dp_state *state, const char *user_path) {
 		.animation_duration = 0,
 		.png_compression = 6,
 		.quick_select = false,
+		.persistence = true,
 	};
 	bytes_to_color((uint8_t[]){0xff, 0xff, 0xff, 0x40}, config->unselected_color);
 	bytes_to_color((uint8_t[]){0x00, 0x00, 0x00, 0x00}, config->selected_color);
@@ -211,6 +212,8 @@ void dp_config_load(struct dp_state *state, const char *user_path) {
 			load_int(value, line_idx, 0, 9, &config->png_compression);
 		} else if (strcmp(key, "quick-select") == 0) {
 			load_bool(value, line_idx, &config->quick_select);
+		} else if (strcmp(key, "persistence") == 0) {
+			load_bool(value, line_idx, &config->persistence);
 		} else if (strcmp(key, "quit-key") == 0) {
 			load_key(value, line_idx, &config->quit_key);
 		} else if (strcmp(key, "save-key") == 0) {

src/dulcepan.h

@@ -156,6 +156,7 @@ struct dp_config {
 
 	int png_compression;
 	bool quick_select;
+	bool persistence;
 };
 
 struct dp_state {

src/main.c

@@ -108,7 +108,9 @@ static void run(struct dp_state *state) {
 		}
 	}
 
-	dp_persistent_load(state);
+	if (state->config.persistence) {
+		dp_persistent_load(state);
+	}
 
 	wl_list_for_each (output, &state->outputs, link) {
 		dp_output_redraw(output);
@@ -128,7 +130,9 @@ static void run(struct dp_state *state) {
 		dp_save(state);
 	}
 
-	dp_persistent_save(state);
+	if (state->config.persistence) {
+		dp_persistent_save(state);
+	}
 
 	struct dp_seat *seat, *seat_tmp;
 	wl_list_for_each_safe (seat, seat_tmp, &state->seats, link) {