From a20d8950d88bf89b2f9b8b02695fc464b2a13d01 Mon Sep 17 00:00:00 2001
From: Alessandro Iezzi <aiezzi@alessandroiezzi.it>
Date: Mon, 19 May 2025 15:49:37 +0200
Subject: Add the UI resize listener

---
 src/main/engine/ui/ui.h     |  1 +
 src/main/engine/ui/x11/ui.c | 10 ++++++++++
 2 files changed, 11 insertions(+)

(limited to 'src/main/engine')

diff --git a/src/main/engine/ui/ui.h b/src/main/engine/ui/ui.h
index 95604d7..2335a4b 100644
--- a/src/main/engine/ui/ui.h
+++ b/src/main/engine/ui/ui.h
@@ -24,6 +24,7 @@ void ui_init(int w, int h);
 void ui_loop(void);
 void ui_set_title(const char *title);
 void ui_set_expose_listener(void (*expose_event)());
+void ui_set_resize_listener(void (*resize_event)());
 void ui_set_loop_listener(void (*event)());
 void ui_set_mouse_press_listener(void (*event)());
 void ui_set_generic_listener(void (*generic_event)(int type));
diff --git a/src/main/engine/ui/x11/ui.c b/src/main/engine/ui/x11/ui.c
index 412f67d..2d1a046 100644
--- a/src/main/engine/ui/x11/ui.c
+++ b/src/main/engine/ui/x11/ui.c
@@ -33,6 +33,7 @@ static int close_window = 0;
 
 void (*on_loop_event)();
 void (*on_expose_event)();
+void (*on_resize_event)();
 void (*on_mouse_press_event)();
 void (*on_generic_event)(int);
 
@@ -123,6 +124,9 @@ static void
 ui_on_resize(XEvent event)
 {
 	if (event.type != ConfigureNotify) return;
+	if (on_resize_event != NULL) {
+		on_resize_event();
+	}
 	glViewport(0, 0, event.xconfigure.width, event.xconfigure.height);
 }
 
@@ -168,6 +172,12 @@ ui_set_expose_listener(void (*expose_event)())
 	on_expose_event = expose_event;
 }
 
+void
+ui_set_resize_listener(void (*resize_event)())
+{
+	on_resize_event = resize_event;
+}
+
 void
 ui_set_mouse_press_listener(void (*mouse_press_event)())
 {
-- 
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