From cb679636f77fe2a03e8dab3a511e28e1ab898316 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sat, 6 Nov 2021 15:55:42 +0100
Subject: Fix exit being called when closing window, respond to wm ping, add
 is_open function to window

---
 src/window/window.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

(limited to 'src/window')

diff --git a/src/window/window.c b/src/window/window.c
index 30abebb..b7f9fd8 100644
--- a/src/window/window.c
+++ b/src/window/window.c
@@ -5,6 +5,8 @@
 #include <errno.h>
 #include <stdio.h>
 
+/* TODO: Use gl OML present for other platforms than nvidia? nvidia doesn't support present yet */
+
 /* TODO: check for glx swap control extension string (GLX_EXT_swap_control, etc) */
 static void set_vertical_sync_enabled(Window window, int enabled) {
     int result = 0;
@@ -95,6 +97,12 @@ static int mgl_window_init(mgl_window *self, const char *title, int width, int h
         XMapWindow(context->connection, self->window);
     }
 
+    /* TODO: Call XGetWMProtocols and add wm_delete_window_atom on top, to not overwrite existing wm protocol atoms */
+    Atom wm_protocol_atoms[2] = {
+        context->wm_delete_window_atom,
+        context->net_wm_ping_atom
+    };
+    XSetWMProtocols(context->connection, self->window, wm_protocol_atoms, 2);
     XFlush(context->connection);
 
     /* TODO: Check for failure? */
@@ -118,6 +126,7 @@ static int mgl_window_init(mgl_window *self, const char *title, int width, int h
     XQueryPointer(context->connection, self->window, &dummy_w, &dummy_w, &dummy_i, &dummy_i, &self->cursor_position.x, &self->cursor_position.y, &dummy_u);
 
     mgl_window_on_resize(self, gwa.width, gwa.height);
+    self->open = true;
     return 0;
 }
 
@@ -246,7 +255,7 @@ static bool mgl_window_on_receive_event(mgl_window *self, XEvent *xev, mgl_event
                 event->size.height = self->size.y;
                 return true;
             }
-            return false;
+            break;
         }
         case MotionNotify: {
             while(XCheckTypedWindowEvent(mgl_get_context()->connection, self->window, MotionNotify, xev)) {}
@@ -258,6 +267,18 @@ static bool mgl_window_on_receive_event(mgl_window *self, XEvent *xev, mgl_event
             event->mouse_move.y = self->cursor_position.y;
             return true;
         }
+        case ClientMessage: {
+            mgl_context *context = mgl_get_context();
+            if(xev->xclient.format == 32 && (unsigned long)xev->xclient.data.l[0] == context->wm_delete_window_atom) {
+                event->type = MGL_EVENT_CLOSED;
+                self->open = false;
+                return true;
+            } else if(xev->xclient.format == 32 && (unsigned long)xev->xclient.data.l[0] == context->net_wm_ping_atom) {
+                xev->xclient.window = DefaultRootWindow(context->connection);
+                XSendEvent(context->connection, DefaultRootWindow(context->connection), False, SubstructureNotifyMask | SubstructureRedirectMask, xev);
+            }
+            break;
+        }
     }
     /*fprintf(stderr, "unhandled event type: %d\n", xev->type);*/
     event->type = MGL_EVENT_UNKNOWN;
@@ -300,3 +321,7 @@ void mgl_window_set_view(mgl_window *self, mgl_view *new_view) {
 void mgl_window_get_view(mgl_window *self, mgl_view *view) {
     *view = self->view;
 }
+
+bool mgl_window_is_open(const mgl_window *self) {
+    return self->open;
+}
-- 
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