[gtk/gtk-3-24: 3/13] emojichooser: Allow inserting multiple Emoji

[Matthias Clasen <matthiasc src gnome org>]

commit bfad7693bfeb483929047fcd32a4837fc7ffbeb5
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Oct 1 23:35:06 2020 -0400

    emojichooser: Allow inserting multiple Emoji
    
    Don't close the Emoji chooser when the Control
    key is held while clicking. So you can insert
    multiple Emoji without having to reopen the
    chooser every time.
    
    Fixes: #1002

 gtk/gtkemojichooser.c | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkemojichooser.c b/gtk/gtkemojichooser.c
index 1aa7c445df..e3538b10ca 100644
--- a/gtk/gtkemojichooser.c
+++ b/gtk/gtkemojichooser.c
@@ -220,6 +220,23 @@ add_recent_item (GtkEmojiChooser *chooser,
   g_variant_unref (item);
 }
 
+static gboolean
+should_close (GtkEmojiChooser *chooser)
+{
+  GdkDisplay *display;
+  GdkSeat *seat;
+  GdkDevice *device;
+  GdkModifierType state;
+
+  display = gtk_widget_get_display (GTK_WIDGET (chooser));
+  seat = gdk_display_get_default_seat (display);
+  device = gdk_seat_get_pointer (seat);
+  gdk_device_get_state (device, gtk_widget_get_window (GTK_WIDGET (chooser)),
+                        NULL, &state);
+
+  return (state & GDK_CONTROL_MASK) == 0;
+}
+
 static void
 emoji_activated (GtkFlowBox      *box,
                  GtkFlowBoxChild *child,
@@ -232,7 +249,16 @@ emoji_activated (GtkFlowBox      *box,
   GVariant *item;
   gunichar modifier;
 
-  gtk_popover_popdown (GTK_POPOVER (chooser));
+  if (should_close (chooser))
+    gtk_popover_popdown (GTK_POPOVER (chooser));
+  else
+    {
+      GtkWidget *popover;
+
+      popover = gtk_widget_get_ancestor (GTK_WIDGET (box), GTK_TYPE_POPOVER);
+      if (popover != GTK_WIDGET (chooser))
+        gtk_popover_popdown (GTK_POPOVER (popover));
+    }
 
   ebox = gtk_bin_get_child (GTK_BIN (child));
   label = gtk_bin_get_child (GTK_BIN (ebox));