Add a workaround to NSRunLoop freezing during window resize on macOS

Fixes issue #12
fyne-io · Jul 20, 2018 · a4e4ae2 · a4e4ae2
1 parent 6c00de5
commit a4e4ae2
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diff --git a/desktop/cfuncs.go b/desktop/cfuncs.go
@@ -10,10 +10,22 @@ package desktop
 
 // Gateway callback functions
 
+static Eina_Bool
+_immediate_iterate(void *data EINA_UNUSED)
+{
+	ecore_main_loop_iterate();
+
+	// only tick once
+	return ECORE_CALLBACK_CANCEL;
+}
+
 void onWindowResize_cgo(Ecore_Evas *ee)
 {
 	void onWindowResize(Ecore_Evas*);
 	onWindowResize(ee);
+
+	// On macOS the resize freezes NSRunLoop, so call iterate right away
+	ecore_timer_add(0.001, _immediate_iterate, NULL);
 }
 
 void onWindowMove_cgo(Ecore_Evas *ee)

diff --git a/desktop/window.go b/desktop/window.go
@@ -126,6 +126,9 @@ func onWindowResize(ee *C.Ecore_Evas) {
 	canvas := w.canvas.(*eflCanvas)
 	canvas.size = fyne.NewSize(int(float32(ww)/canvas.Scale()), int(float32(hh)/canvas.Scale()))
 	canvas.resizeContent()
+
+	// part of a NSRunLoop hack for macOS
+	drawDirty()
 }
 
 //export onWindowMove