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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
commit5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch)
treecbffb45144febf451e54061db2b21395faf94bfe /libgimpwidgets/gimppickbutton.c
parentInitial commit. (diff)
downloadgimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz
gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libgimpwidgets/gimppickbutton.c')
-rw-r--r--libgimpwidgets/gimppickbutton.c188
1 files changed, 188 insertions, 0 deletions
diff --git a/libgimpwidgets/gimppickbutton.c b/libgimpwidgets/gimppickbutton.c
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+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
+ *
+ * gimppickbutton.c
+ * Copyright (C) 2002 Michael Natterer <mitch@gimp.org>
+ *
+ * based on gtk+/gtk/gtkcolorsel.c
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+
+#include "libgimpcolor/gimpcolor.h"
+
+#include "gimpwidgetstypes.h"
+
+#include "gimpcairo-utils.h"
+#include "gimphelpui.h"
+#include "gimpicons.h"
+#include "gimppickbutton.h"
+
+#if defined (GDK_WINDOWING_QUARTZ)
+#include "gimppickbutton-quartz.h"
+#elif defined (GDK_WINDOWING_WIN32)
+#include "gimppickbutton-win32.h"
+#else
+#include "gimppickbutton-default.h"
+#include "gimppickbutton-kwin.h"
+#include "gimppickbutton-xdg.h"
+#endif
+
+#include "libgimp/libgimp-intl.h"
+
+/**
+ * SECTION: gimppickbutton
+ * @title: GimpPickButton
+ * @short_description: Widget to pick a color from screen.
+ *
+ * #GimpPickButton is a specialized button. When clicked, it changes
+ * the cursor to a color-picker pipette and allows the user to pick a
+ * color from any point on the screen.
+ **/
+
+
+enum
+{
+ COLOR_PICKED,
+ LAST_SIGNAL
+};
+
+static void gimp_pick_button_dispose (GObject *object);
+
+static void gimp_pick_button_clicked (GtkButton *button);
+
+
+G_DEFINE_TYPE (GimpPickButton, gimp_pick_button, GTK_TYPE_BUTTON)
+
+#define parent_class gimp_pick_button_parent_class
+
+static guint pick_button_signals[LAST_SIGNAL] = { 0 };
+
+
+static void
+gimp_pick_button_class_init (GimpPickButtonClass* klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkButtonClass *button_class = GTK_BUTTON_CLASS (klass);
+
+ /**
+ * GimpPickButton::color-picked:
+ * @gimppickbutton: the object which received the signal.
+ * @arg1: pointer to a #GimpRGB structure that holds the picked color
+ *
+ * This signal is emitted when the user has picked a color.
+ **/
+ pick_button_signals[COLOR_PICKED] =
+ g_signal_new ("color-picked",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GimpPickButtonClass, color_picked),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__POINTER,
+ G_TYPE_NONE, 1,
+ G_TYPE_POINTER);
+
+ object_class->dispose = gimp_pick_button_dispose;
+
+ button_class->clicked = gimp_pick_button_clicked;
+
+ klass->color_picked = NULL;
+}
+
+static void
+gimp_pick_button_init (GimpPickButton *button)
+{
+ GtkWidget *image;
+
+ image = gtk_image_new_from_icon_name (GIMP_ICON_COLOR_PICK_FROM_SCREEN,
+ GTK_ICON_SIZE_BUTTON);
+ gtk_container_add (GTK_CONTAINER (button), image);
+ gtk_widget_show (image);
+
+ gimp_help_set_help_data (GTK_WIDGET (button),
+ _("Click the eyedropper, then click a color "
+ "anywhere on your screen to select that color."),
+ NULL);
+}
+
+static void
+gimp_pick_button_dispose (GObject *object)
+{
+ GimpPickButton *button = GIMP_PICK_BUTTON (object);
+
+ if (button->cursor)
+ {
+ gdk_cursor_unref (button->cursor);
+ button->cursor = NULL;
+ }
+
+ if (button->grab_widget)
+ {
+ gtk_widget_destroy (button->grab_widget);
+ button->grab_widget = NULL;
+ }
+
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_pick_button_clicked (GtkButton *button)
+{
+#if defined (GDK_WINDOWING_QUARTZ)
+ _gimp_pick_button_quartz_pick (GIMP_PICK_BUTTON (button));
+#elif defined (GDK_WINDOWING_WIN32)
+ _gimp_pick_button_win32_pick (GIMP_PICK_BUTTON (button));
+#elif defined (GDK_WINDOWING_X11)
+ /* It's a bit weird as we use the default pick code both in first and
+ * last cases. It's because when running GIMP on X11 in particular,
+ * the portals don't return color space information. So the returned
+ * color is in the display space, not in the current image space and
+ * we have no way to convert the data back (well if running on X11, we
+ * could still get a profile from the display, but if there are
+ * several displays, we can't know for sure where the color was picked
+ * from.).
+ * See: https://github.com/flatpak/xdg-desktop-portal/issues/862
+ */
+ _gimp_pick_button_default_pick (GIMP_PICK_BUTTON (button));
+#else
+ if (_gimp_pick_button_xdg_available ())
+ _gimp_pick_button_xdg_pick (GIMP_PICK_BUTTON (button));
+ else if (_gimp_pick_button_kwin_available ())
+ _gimp_pick_button_kwin_pick (GIMP_PICK_BUTTON (button));
+ else
+ _gimp_pick_button_default_pick (GIMP_PICK_BUTTON (button));
+#endif
+}
+
+
+/* public functions */
+
+/**
+ * gimp_pick_button_new:
+ *
+ * Creates a new #GimpPickButton widget.
+ *
+ * Returns: A new #GimpPickButton widget.
+ **/
+GtkWidget *
+gimp_pick_button_new (void)
+{
+ return g_object_new (GIMP_TYPE_PICK_BUTTON, NULL);
+}