[gtk/matthiasc/for-master] docs: Add GtkEmojiChooser to the gallery

[Matthias Clasen <matthiasc src gnome org>]

commit c3df4fc832bc569ee2bd613df57792c7dc06e519
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Oct 25 23:18:51 2020 -0400

    docs: Add GtkEmojiChooser to the gallery
    
    To make this possible enable the doc shooter
    to take screenshots of popovers.

 docs/reference/gtk/images/emojichooser.png | Bin 0 -> 55610 bytes
 docs/reference/gtk/meson.build             |   1 +
 docs/reference/gtk/visual_index.xml        |   1 +
 docs/tools/shooter.c                       |  17 ++++++++++++++--
 docs/tools/widgets.c                       |  30 ++++++++++++++++++++++++++++-
 docs/tools/widgets.h                       |   1 +
 6 files changed, 47 insertions(+), 3 deletions(-)
---
diff --git a/docs/reference/gtk/images/emojichooser.png b/docs/reference/gtk/images/emojichooser.png
new file mode 100644
index 0000000000..e68b9ce3b4
Binary files /dev/null and b/docs/reference/gtk/images/emojichooser.png differ
diff --git a/docs/reference/gtk/meson.build b/docs/reference/gtk/meson.build
index b00bdb5285..3f7ff975f4 100644
--- a/docs/reference/gtk/meson.build
+++ b/docs/reference/gtk/meson.build
@@ -264,6 +264,7 @@ images = [
   'images/ease-out.png',
   'images/ease.png',
   'images/editable-label.png',
+  'images/emojichooser.png',
   'images/entry.png',
   'images/exampleapp.png',
   'images/expanders.png',
diff --git a/docs/reference/gtk/visual_index.xml b/docs/reference/gtk/visual_index.xml
index 97c3644e52..4164e0ec86 100644
--- a/docs/reference/gtk/visual_index.xml
+++ b/docs/reference/gtk/visual_index.xml
@@ -23,6 +23,7 @@
     <link linkend="GtkVideo"><inlinegraphic fileref="video.png" format="PNG"></inlinegraphic></link>
     <link linkend="GtkMediaControls"><inlinegraphic fileref="media-controls.png" 
format="PNG"></inlinegraphic></link>
     <link linkend="GtkWindowControls"><inlinegraphic fileref="windowcontrols.png" 
format="PNG"></inlinegraphic></link>
+    <link linkend="GtkEmojiChooser"><inlinegraphic fileref="emojichooser.png" 
format="PNG"></inlinegraphic></link>
   </para>
 </section>
 
diff --git a/docs/tools/shooter.c b/docs/tools/shooter.c
index ff81d44e1f..58bccc609b 100644
--- a/docs/tools/shooter.c
+++ b/docs/tools/shooter.c
@@ -112,7 +112,7 @@ snapshot_widget (GtkWidget *widget)
 
   g_main_loop_unref (loop);
   g_object_unref (paintable);
-  gtk_window_destroy (GTK_WINDOW (widget));
+  gtk_window_destroy (GTK_WINDOW (gtk_widget_get_root (widget)));
 
   return surface;
 }
@@ -139,6 +139,7 @@ main (int argc, char **argv)
       char *filename;
       cairo_surface_t *surface;
       GdkPixbuf *pixbuf;
+      GtkWidget *widget;
 
       info = node->data;
 
@@ -151,6 +152,18 @@ main (int argc, char **argv)
                                      NULL);
         }
 
+      if (info->snapshot_popover)
+        {
+          GtkWidget *button = gtk_window_get_child (GTK_WINDOW (info->window));
+
+          gtk_menu_button_popup (GTK_MENU_BUTTON (button));
+          widget = GTK_WIDGET (gtk_menu_button_get_popover (GTK_MENU_BUTTON (button)));
+        }
+      else
+        {
+          widget = info->window;
+        }
+
       if (info->wait > 0)
         {
           gboolean quit = FALSE;
@@ -161,7 +174,7 @@ main (int argc, char **argv)
             g_main_context_iteration (NULL, TRUE);
         }
 
-      surface = snapshot_widget (info->window);
+      surface = snapshot_widget (widget);
 
       pixbuf = gdk_pixbuf_get_from_surface (surface, 0, 0,
                                             cairo_image_surface_get_width (surface),
diff --git a/docs/tools/widgets.c b/docs/tools/widgets.c
index 7583272577..a920ad21ac 100644
--- a/docs/tools/widgets.c
+++ b/docs/tools/widgets.c
@@ -33,6 +33,18 @@ new_widget_info (const char *name,
       gtk_window_set_resizable (GTK_WINDOW (info->window), FALSE);
       info->include_decorations = TRUE;
     }
+  else if (GTK_IS_POPOVER (widget))
+    {
+      GtkWidget *button;
+
+      info->snapshot_popover = TRUE;
+      info->window = gtk_window_new ();
+      gtk_window_set_decorated (GTK_WINDOW (info->window), FALSE);
+      info->include_decorations = TRUE;
+      button = gtk_menu_button_new ();
+      gtk_menu_button_set_popover (GTK_MENU_BUTTON (button), widget);
+      gtk_window_set_child (GTK_WINDOW (info->window), button);
+    }
   else
     {
       info->window = gtk_window_new ();
@@ -54,7 +66,7 @@ new_widget_info (const char *name,
       gtk_widget_set_size_request (info->window, 240, 240);
       break;
     default:
-       break;
+      break;
     }
 
   return info;
@@ -1549,6 +1561,21 @@ create_calendar (void)
   return new_widget_info ("calendar", vbox, MEDIUM);
 }
 
+static WidgetInfo *
+create_emojichooser (void)
+{
+  GtkWidget *widget;
+  WidgetInfo *info;
+
+  widget = gtk_emoji_chooser_new ();
+  g_object_set (widget, "autohide", FALSE, NULL);
+
+  info = new_widget_info ("emojichooser", widget, ASIS);
+  info->wait = 2000;
+
+  return info;
+}
+
 GList *
 get_all_widgets (void)
 {
@@ -1616,6 +1643,7 @@ get_all_widgets (void)
   retval = g_list_prepend (retval, create_drop_down ());
   retval = g_list_prepend (retval, create_window_controls ());
   retval = g_list_prepend (retval, create_calendar ());
+  retval = g_list_prepend (retval, create_emojichooser ());
 
   return retval;
 }
diff --git a/docs/tools/widgets.h b/docs/tools/widgets.h
index 99e0d4a1fa..3ef1d61dce 100644
--- a/docs/tools/widgets.h
+++ b/docs/tools/widgets.h
@@ -18,6 +18,7 @@ typedef struct WidgetInfo
   char *name;
   gboolean no_focus;
   gboolean include_decorations;
+  gboolean snapshot_popover;
   guint wait;
   WidgetSize size;
 } WidgetInfo;