From a3027cce6f5f7753147edc49aa4403a013338c3d Mon Sep 17 00:00:00 2001
From: Alessandro Iezzi <aiezzi@alessandroiezzi.it>
Date: Sat, 17 May 2025 01:34:25 +0200
Subject: Add mouse listener

---
 src/main/ui/x11/ui.c | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

(limited to 'src/main/ui/x11/ui.c')

diff --git a/src/main/ui/x11/ui.c b/src/main/ui/x11/ui.c
index 1c04fd4..fc59e4e 100644
--- a/src/main/ui/x11/ui.c
+++ b/src/main/ui/x11/ui.c
@@ -32,6 +32,7 @@ static GLXContext gl_context;
 static int close_window = 0;
 
 void (*on_loop_event)();
+void (*on_mouse_press_event)();
 
 void cleanup(void);
 
@@ -66,7 +67,7 @@ ui_get_attributes(Window root, XVisualInfo *vi)
 	Colormap colormap = XCreateColormap(display, root, vi->visual, AllocNone);
 	XSetWindowAttributes swa;
 	swa.colormap = colormap;
-	swa.event_mask = ExposureMask | KeyPressMask | StructureNotifyMask;
+	swa.event_mask = ExposureMask | KeyPressMask | StructureNotifyMask | ButtonPressMask | ButtonReleaseMask;
 
 	return swa;
 }
@@ -127,12 +128,33 @@ ui_on_keypress(XEvent event)
 	close_window = 1;
 }
 
+static void
+ui_on_mouse_press(XEvent event)
+{
+	if (event.type != ButtonPress) return;
+	if (on_mouse_press_event != NULL) {
+		on_mouse_press_event();
+	}
+}
+
+static void
+ui_on_mouse_release(XEvent event)
+{
+	if (event.type != ButtonRelease) return;
+}
+
 void
 ui_set_loop_listener(void (*loop_event)())
 {
 	on_loop_event = loop_event;
 }
 
+void
+ui_set_mouse_press_listener(void (*mouse_press_event)())
+{
+	on_mouse_press_event = mouse_press_event;
+}
+
 void
 ui_loop(void)
 {
@@ -143,6 +165,8 @@ ui_loop(void)
 			ui_on_expose(event);
 			ui_on_resize(event);
 			ui_on_keypress(event);
+			ui_on_mouse_press(event);
+			ui_on_mouse_release(event);
 		}
 
 		on_loop_event();
-- 
cgit v1.2.3