[libadwaita/wip/exalm/screenshots-2: 10/21] screenshot: Add a small timeout before taking screenshots




commit 6683d9e035f5884aee49c2e69e11c6b05b58f850
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Dec 20 14:58:38 2021 +0500

    screenshot: Add a small timeout before taking screenshots

 doc/tools/screenshot.c | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)
---
diff --git a/doc/tools/screenshot.c b/doc/tools/screenshot.c
index bfc6bd1d..21386313 100644
--- a/doc/tools/screenshot.c
+++ b/doc/tools/screenshot.c
@@ -31,8 +31,8 @@ screenshot_data_free (ScreenshotData *data)
   g_free (data);
 }
 
-static void
-draw_paintable (ScreenshotData *data)
+static gboolean
+draw_paintable_cb (ScreenshotData *data)
 {
   GtkSnapshot *snapshot;
   GskRenderer *renderer;
@@ -41,10 +41,6 @@ draw_paintable (ScreenshotData *data)
   int x, y, width, height;
   int widget_width, widget_height;
 
-  g_signal_handlers_disconnect_by_func (data->paintable,
-                                        G_CALLBACK (draw_paintable),
-                                        data);
-
   widget_width = gtk_widget_get_allocated_width (data->widget);
   widget_height = gtk_widget_get_allocated_height (data->widget);
 
@@ -90,6 +86,19 @@ draw_paintable (ScreenshotData *data)
   screenshot_data_free (data);
 
   g_main_loop_quit (loop);
+
+  return G_SOURCE_REMOVE;
+}
+
+static void
+draw_paintable (ScreenshotData *data)
+{
+  g_signal_handlers_disconnect_by_func (data->paintable,
+                                        G_CALLBACK (draw_paintable),
+                                        data);
+
+  /* Handle the case where something immediately invalidates allocation. */
+  g_timeout_add (50, G_SOURCE_FUNC (draw_paintable_cb), data);
 }
 
 static GtkCssProvider *


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