From c9418688a19ba6a739d7938d1273020152d1416b Mon Sep 17 00:00:00 2001
From: "julian@kiedaisch.net" <julian@kiedaisch.net>
Date: Thu, 30 Apr 2020 16:11:51 +0200
Subject: [PATCH] Turned of artefacts while resizing window

---
 airplayServer.cpp | 47 ++++++++++++++++++++++++++++-------------------
 1 file changed, 28 insertions(+), 19 deletions(-)

diff --git a/airplayServer.cpp b/airplayServer.cpp
index e88297e..4577aa7 100755
--- a/airplayServer.cpp
+++ b/airplayServer.cpp
@@ -72,6 +72,7 @@ struct GTK_STRUCT {
     gulong embed_xid;
     cairo_surface_t *surface = NULL;
     bool is_fullscreen = false;
+    bool is_active = false;
 };
 
 static GTK_STRUCT * GTK_data = NULL;
@@ -117,7 +118,7 @@ std::string find_mac() {
         iface_stream.open("/sys/class/net/wlp2s0/address");
     }
     if (!iface_stream) {
-        printf("No wlp2s0");
+        printf("No wlp2s0 \n");
         return "";
     }
 
@@ -144,31 +145,37 @@ static void gtk_destroy (GtkWidget * widget, gpointer data) {
 }
 
 gboolean draw_callback (GtkWidget *widget, cairo_t *cr, gpointer data) {
-    guint width, height;
-    GdkRGBA color;
-    GtkStyleContext *context;
 
-    context = gtk_widget_get_style_context (widget);
+    if(!GTK_data->is_active) {
 
-    width = gtk_widget_get_allocated_width (widget);
-    height = gtk_widget_get_allocated_height (widget);
+        guint width, height;
+        GdkRGBA color;
+        GtkStyleContext *context;
 
-    gtk_render_background (context, cr, 0, 0, width, height);
+        context = gtk_widget_get_style_context (widget);
 
-    cairo_rectangle (cr, 0, 0, width, height);
+        width = gtk_widget_get_allocated_width (widget);
+        height = gtk_widget_get_allocated_height (widget);
 
-    gtk_style_context_get_color (context,
-                                gtk_style_context_get_state (context),
-                                &color);
-    gdk_cairo_set_source_rgba (cr, &color);
+        gtk_render_background (context, cr, 0, 0, width, height);
 
-    cairo_fill (cr);
+        cairo_rectangle (cr, 0, 0, width, height);
 
-    return FALSE;
+        gtk_style_context_get_color (context,
+                                    gtk_style_context_get_state (context),
+                                    &color);
+        gdk_cairo_set_source_rgba (cr, &color);
+
+        cairo_fill (cr);
+    }
+        return FALSE;
 }
 
 void configure_callback(GtkWindow *window, GdkEvent *event, gpointer data) {
-    gtk_widget_queue_draw(GTK_data->video_window);
+    
+    if(!GTK_data->is_active) {
+        gtk_widget_queue_draw(GTK_data->video_window);
+    }
 }
 
 
@@ -176,8 +183,6 @@ static gboolean click_callback(GtkWindow *window, GdkEventButton *event, gpointe
 
 
     if (event->button == 1 && event->type == GDK_2BUTTON_PRESS) {
-        printf("Double clicked!");
-
         if(GTK_data->is_fullscreen) {
             gtk_window_unfullscreen((GtkWindow*)GTK_data->app_window);
             GTK_data->is_fullscreen = false;
@@ -271,7 +276,8 @@ int main(int argc, char *argv[]) {
     g_signal_connect (G_OBJECT (GTK_data->video_window), "draw",G_CALLBACK (draw_callback), NULL);
     g_signal_connect (G_OBJECT (GTK_data->app_window), "button-press-event" ,G_CALLBACK (click_callback), NULL);
     g_signal_connect (G_OBJECT (GTK_data->app_window), "key_press_event", G_CALLBACK (on_key_press), NULL);
-    g_signal_connect(G_OBJECT(GTK_data->app_window), "configure-event", G_CALLBACK(configure_callback), NULL);
+    g_signal_connect(G_OBJECT(GTK_data->video_window), "configure_event", G_CALLBACK(configure_callback), NULL);
+
 
     GTK_data->video_window_xwindow = gtk_widget_get_window (GTK_data->video_window);
     GTK_data->embed_xid = GDK_WINDOW_XID (GTK_data->video_window_xwindow);
@@ -297,10 +303,13 @@ int main(int argc, char *argv[]) {
 // Server callbacks
 extern "C" void conn_init(void *cls) {
     //video_renderer_update_background(video_renderer, 1);
+    GTK_data->is_active = true;
 }
 
 extern "C" void conn_destroy(void *cls) {
+    GTK_data->is_active = false;
     gtk_widget_queue_draw(GTK_data->video_window);
+
     //int width = gtk_widget_get_allocated_width (GTK_data->video_window);
     //int height = gtk_widget_get_allocated_height (GTK_data->video_window);
     //video_renderer_update_background(video_renderer, -1, width, height);