static void
gimp_pick_button_clicked (GtkButton *gtk_button)
{
GimpPickButton *button = GIMP_PICK_BUTTON (gtk_button);
GtkWidget *widget;
guint32 timestamp;
if (! button->cursor)
button->cursor = make_cursor (gtk_widget_get_display (GTK_WIDGET (gtk_button)));
if (! button->grab_widget)
{
button->grab_widget = gtk_invisible_new ();
gtk_widget_add_events (button->grab_widget,
GDK_BUTTON_RELEASE_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_POINTER_MOTION_MASK);
gtk_widget_show (button->grab_widget);
}
widget = button->grab_widget;
timestamp = gtk_get_current_event_time ();
if (gdk_keyboard_grab (gtk_widget_get_window (widget), FALSE,
timestamp) != GDK_GRAB_SUCCESS)
{
g_warning ("Failed to grab keyboard to do eyedropper");
return;
}
if (gdk_pointer_grab (gtk_widget_get_window (widget), FALSE,
GDK_BUTTON_RELEASE_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_POINTER_MOTION_MASK,
NULL,
button->cursor,
timestamp) != GDK_GRAB_SUCCESS)
{
gdk_display_keyboard_ungrab (gtk_widget_get_display (widget), timestamp);
g_warning ("Failed to grab pointer to do eyedropper");
return;
}
gtk_grab_add (widget);
g_signal_connect (widget, "button-press-event",
G_CALLBACK (gimp_pick_button_mouse_press),
button);
g_signal_connect (widget, "key-press-event",
G_CALLBACK (gimp_pick_button_key_press),
button);
}
/* entry point to this file, called from gimppickbutton.c */
void
_gimp_pick_button_default_pick (GimpPickButton *button)
{
GdkDisplay *display;
GtkWidget *widget;
if (! button->priv->cursor)
button->priv->cursor =
make_cursor (gtk_widget_get_display (GTK_WIDGET (button)));
if (! button->priv->grab_widget)
{
button->priv->grab_widget = gtk_invisible_new ();
gtk_widget_add_events (button->priv->grab_widget,
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_BUTTON1_MOTION_MASK);
gtk_widget_show (button->priv->grab_widget);
}
widget = button->priv->grab_widget;
display = gtk_widget_get_display (widget);
if (gdk_seat_grab (gdk_display_get_default_seat (display),
gtk_widget_get_window (widget),
GDK_SEAT_CAPABILITY_ALL,
FALSE,
button->priv->cursor,
NULL,
NULL, NULL) != GDK_GRAB_SUCCESS)
{
g_warning ("Failed to grab seat to do eyedropper");
return;
}
gtk_grab_add (widget);
g_signal_connect (widget, "button-press-event",
G_CALLBACK (gimp_pick_button_mouse_press),
button);
g_signal_connect (widget, "key-press-event",
G_CALLBACK (gimp_pick_button_key_press),
button);
}