1 files changed, 23 insertions, 2 deletions
diff --git a/sway/commands/titlebar_padding.c b/sway/commands/titlebar_padding.c
index 29ce59ff..affb6b50 100644
--- a/sway/commands/titlebar_padding.c
+++ b/sway/commands/titlebar_padding.c
@@ -2,6 +2,7 @@
 #include "sway/commands.h"
 #include "sway/config.h"
 #include "sway/output.h"
+#include "sway/swaynag.h"
 #include "sway/tree/arrange.h"
 #include "log.h"
 
@@ -27,8 +28,28 @@ struct cmd_results *cmd_titlebar_padding(int argc, char **argv) {
 		}
 	}
 
-	config->titlebar_v_padding = v_value;
-	config->titlebar_h_padding = h_value;
+	/*
+	 titlebar padding depends on corner_radius to
+	 ensure that titlebars are rendered nicely
+	*/
+	if (v_value > (config->corner_radius - config->font_height) / 2) {
+		config->titlebar_v_padding = v_value;
+	} else {
+		config_add_swaynag_warning(
+			"titlebar_v_padding (%d) is too small for the current corner radius (%d)",
+			v_value, config->corner_radius
+		);
+		return cmd_results_new(CMD_FAILURE, NULL);
+	}
+	if (h_value > config->corner_radius) {
+		config->titlebar_h_padding = h_value;
+	} else {
+		config_add_swaynag_warning(
+			"titlebar_h_padding (%d) is too small for the current corner radius (%d)",
+			h_value, config->corner_radius
+		);
+		return cmd_results_new(CMD_FAILURE, NULL);
+	}
 
 	for (int i = 0; i < root->outputs->length; ++i) {
 		struct sway_output *output = root->outputs->items[i];