From 5c1676dfe6d2f3c837a5e074117b45613fd29a72 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:30:19 +0200 Subject: Adding upstream version 2.10.34. Signed-off-by: Daniel Baumann --- app/display/gimpdisplay-handlers.c | 128 +++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 app/display/gimpdisplay-handlers.c (limited to 'app/display/gimpdisplay-handlers.c') diff --git a/app/display/gimpdisplay-handlers.c b/app/display/gimpdisplay-handlers.c new file mode 100644 index 0000000..94cb863 --- /dev/null +++ b/app/display/gimpdisplay-handlers.c @@ -0,0 +1,128 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "config.h" + +#include +#include + +#include "display-types.h" + +#include "core/gimpimage.h" + +#include "gimpdisplay.h" +#include "gimpdisplay-handlers.h" + + +/* local function prototypes */ + +static void gimp_display_update_handler (GimpProjection *projection, + gboolean now, + gint x, + gint y, + gint w, + gint h, + GimpDisplay *display); + +static void gimp_display_bounds_changed_handler (GimpImage *image, + gint old_x, + gint old_y, + GimpDisplay *display); +static void gimp_display_flush_handler (GimpImage *image, + gboolean invalidate_preview, + GimpDisplay *display); + + +/* public functions */ + +void +gimp_display_connect (GimpDisplay *display) +{ + GimpImage *image; + + g_return_if_fail (GIMP_IS_DISPLAY (display)); + + image = gimp_display_get_image (display); + + g_return_if_fail (GIMP_IS_IMAGE (image)); + + g_signal_connect (gimp_image_get_projection (image), "update", + G_CALLBACK (gimp_display_update_handler), + display); + + g_signal_connect (image, "bounds-changed", + G_CALLBACK (gimp_display_bounds_changed_handler), + display); + g_signal_connect (image, "flush", + G_CALLBACK (gimp_display_flush_handler), + display); +} + +void +gimp_display_disconnect (GimpDisplay *display) +{ + GimpImage *image; + + g_return_if_fail (GIMP_IS_DISPLAY (display)); + + image = gimp_display_get_image (display); + + g_return_if_fail (GIMP_IS_IMAGE (image)); + + g_signal_handlers_disconnect_by_func (image, + gimp_display_flush_handler, + display); + g_signal_handlers_disconnect_by_func (image, + gimp_display_bounds_changed_handler, + display); + + g_signal_handlers_disconnect_by_func (gimp_image_get_projection (image), + gimp_display_update_handler, + display); +} + + +/* private functions */ + +static void +gimp_display_update_handler (GimpProjection *projection, + gboolean now, + gint x, + gint y, + gint w, + gint h, + GimpDisplay *display) +{ + gimp_display_update_area (display, now, x, y, w, h); +} + +static void +gimp_display_bounds_changed_handler (GimpImage *image, + gint old_x, + gint old_y, + GimpDisplay *display) +{ + gimp_display_update_bounding_box (display); +} + +static void +gimp_display_flush_handler (GimpImage *image, + gboolean invalidate_preview, + GimpDisplay *display) +{ + gimp_display_flush (display); +} -- cgit v1.2.3