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.
165 lines
4.1 KiB
C
165 lines
4.1 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.c
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* Copyright (C) 2002 Michael Natterer <mitch@gimp.org>
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*
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* based on gtk+/gtk/gtkcolorsel.c
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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 <gdk/gdkkeysyms.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "gimpwidgetstypes.h"
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#include "gimpcairo-utils.h"
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#include "gimphelpui.h"
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#include "gimpicons.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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#ifdef GDK_WINDOWING_QUARTZ
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#include "gimppickbutton-quartz.h"
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#endif
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#include "libgimp/libgimp-intl.h"
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/**
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* SECTION: gimppickbutton
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* @title: GimpPickButton
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* @short_description: Widget to pick a color from screen.
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*
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* #GimpPickButton is a specialized button. When clicked, it changes
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* the cursor to a color-picker pipette and allows the user to pick a
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* color from any point on the screen.
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**/
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enum
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{
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COLOR_PICKED,
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LAST_SIGNAL
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};
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static void gimp_pick_button_dispose (GObject *object);
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static void gimp_pick_button_clicked (GtkButton *button);
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G_DEFINE_TYPE (GimpPickButton, gimp_pick_button, GTK_TYPE_BUTTON)
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#define parent_class gimp_pick_button_parent_class
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static guint pick_button_signals[LAST_SIGNAL] = { 0 };
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static void
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gimp_pick_button_class_init (GimpPickButtonClass* klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkButtonClass *button_class = GTK_BUTTON_CLASS (klass);
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/**
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* GimpPickButton::color-picked:
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* @gimppickbutton: the object which received the signal.
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* @arg1: pointer to a #GimpRGB structure that holds the picked color
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*
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* This signal is emitted when the user has picked a color.
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**/
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pick_button_signals[COLOR_PICKED] =
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g_signal_new ("color-picked",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GimpPickButtonClass, color_picked),
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NULL, NULL,
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g_cclosure_marshal_VOID__POINTER,
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G_TYPE_NONE, 1,
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G_TYPE_POINTER);
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object_class->dispose = gimp_pick_button_dispose;
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button_class->clicked = gimp_pick_button_clicked;
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klass->color_picked = NULL;
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}
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static void
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gimp_pick_button_init (GimpPickButton *button)
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{
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GtkWidget *image;
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image = gtk_image_new_from_icon_name (GIMP_ICON_COLOR_PICK_FROM_SCREEN,
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GTK_ICON_SIZE_BUTTON);
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gtk_container_add (GTK_CONTAINER (button), image);
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gtk_widget_show (image);
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gimp_help_set_help_data (GTK_WIDGET (button),
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_("Click the eyedropper, then click a color "
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"anywhere on your screen to select that color."),
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NULL);
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}
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static void
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gimp_pick_button_dispose (GObject *object)
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{
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GimpPickButton *button = GIMP_PICK_BUTTON (object);
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if (button->cursor)
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{
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gdk_cursor_unref (button->cursor);
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button->cursor = NULL;
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}
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if (button->grab_widget)
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{
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gtk_widget_destroy (button->grab_widget);
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button->grab_widget = NULL;
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}
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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gimp_pick_button_clicked (GtkButton *button)
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{
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#ifdef GDK_WINDOWING_QUARTZ
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_gimp_pick_button_quartz_pick (GIMP_PICK_BUTTON (button));
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#else
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if (_gimp_pick_button_kwin_available ())
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_gimp_pick_button_kwin_pick (GIMP_PICK_BUTTON (button));
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else
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_gimp_pick_button_default_pick (GIMP_PICK_BUTTON (button));
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#endif
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}
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/* public functions */
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/**
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* gimp_pick_button_new:
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*
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* Creates a new #GimpPickButton widget.
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*
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* Returns: A new #GimpPickButton widget.
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**/
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GtkWidget *
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gimp_pick_button_new (void)
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{
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return g_object_new (GIMP_TYPE_PICK_BUTTON, NULL);
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}
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