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ef6559b38f
Though forward declarations of the implementations are ok, it is cleaner to have proper header files for each variant (default, kwin, quartz right now). Of course these new header files are not installed and must be kept private for build only.
112 lines
3.7 KiB
C
112 lines
3.7 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* gimppickbutton-kwin.c
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* Copyright (C) 2017 Jehan <jehan@gimp.org>
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "gimpwidgetstypes.h"
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#include "gimppickbutton.h"
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#include "gimppickbutton-default.h"
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#include "gimppickbutton-kwin.h"
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#include "libgimp/libgimp-intl.h"
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gboolean
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_gimp_pick_button_kwin_available (void)
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{
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GDBusProxy *proxy = NULL;
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gboolean available = FALSE;
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proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
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G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
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NULL,
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"org.kde.KWin",
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"/ColorPicker",
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"org.kde.kwin.ColorPicker",
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NULL, NULL);
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if (proxy)
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{
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GError *error = NULL;
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g_dbus_proxy_call_sync (proxy, "org.freedesktop.DBus.Peer.Ping",
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NULL,
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G_DBUS_CALL_FLAGS_NONE,
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-1, NULL, &error);
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if (! error)
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available = TRUE;
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g_clear_error (&error);
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g_object_unref (proxy);
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}
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return available;
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}
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/* entry point to this file, called from gimppickbutton.c */
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void
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_gimp_pick_button_kwin_pick (GimpPickButton *button)
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{
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GDBusProxy *proxy = NULL;
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GError *error = NULL;
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GVariant *retval;
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proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
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G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
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NULL,
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"org.kde.KWin",
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"/ColorPicker",
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"org.kde.kwin.ColorPicker",
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NULL, NULL);
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g_return_if_fail (proxy);
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retval = g_dbus_proxy_call_sync (proxy, "pick", NULL,
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G_DBUS_CALL_FLAGS_NONE,
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-1, NULL, &error);
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if (retval)
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{
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GimpRGB rgb;
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guint32 color;
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g_variant_get (retval, "(u)", &color);
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g_variant_unref (retval);
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/* Returned value is ARGB stored in uint32. */
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gimp_rgba_set_uchar (&rgb,
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(color >> 16 ) & 0xff, /* Red */
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(color >> 8) & 0xff, /* Green */
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color & 0xff, /* Blue: least significant byte. */
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(color >> 24) & 0xff); /* Alpha: most significant byte. */
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g_signal_emit_by_name (button, "color-picked", &rgb);
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}
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else
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{
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/* I had failure of KDE's color picking API. So let's just
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* fallback to the default color picking when this happens. This
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* will at least work on X11.
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* See: https://bugs.kde.org/show_bug.cgi?id=387720
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*/
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if (error)
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g_warning ("KWin backend for color picking failed with error: %s",
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error->message);
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_gimp_pick_button_default_pick (GIMP_PICK_BUTTON (button));
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}
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g_clear_error (&error);
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g_object_unref (proxy);
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}
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