mirror of https://github.com/GNOME/gimp.git
376 lines
12 KiB
C
376 lines
12 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://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 "libgimpwidgets/gimpwidgets.h"
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#include "widgets-types.h"
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#include "config/gimpguiconfig.h"
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#include "core/gimp.h"
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#include "core/gimpcontext.h"
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#include "core/gimpdisplay.h"
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#include "gimpaction.h"
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#include "gimpcolordialog.h"
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#include "gimpdialogfactory.h"
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#include "gimpfgbgeditor.h"
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#include "gimphelp-ids.h"
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#include "gimpsessioninfo.h"
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#include "gimptoolbox.h"
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#include "gimptoolbox-color-area.h"
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#include "gimpuimanager.h"
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#include "gimp-intl.h"
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/* local function prototypes */
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static void color_area_foreground_changed (GimpContext *context,
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const GimpRGB *color,
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GimpColorDialog *dialog);
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static void color_area_background_changed (GimpContext *context,
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const GimpRGB *color,
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GimpColorDialog *dialog);
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static void color_area_dialog_update (GimpColorDialog *dialog,
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const GimpRGB *color,
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GimpColorDialogState state,
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GimpContext *context);
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static void color_area_color_clicked (GimpFgBgEditor *editor,
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GimpActiveColor active_color,
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GimpContext *context);
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static void color_area_color_changed (GimpContext *context);
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static void color_area_tooltip (GimpFgBgEditor *editor,
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GimpFgBgTarget target,
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GtkTooltip *tooltip,
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GimpToolbox *toolbox);
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/* local variables */
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static GtkWidget *color_area = NULL;
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static GtkWidget *color_dialog = NULL;
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static gboolean color_dialog_active = FALSE;
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static GimpActiveColor edit_color = GIMP_ACTIVE_COLOR_FOREGROUND;
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static GimpRGB revert_fg;
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static GimpRGB revert_bg;
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/* public functions */
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GtkWidget *
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gimp_toolbox_color_area_create (GimpToolbox *toolbox,
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gint width,
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gint height)
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{
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GimpContext *context;
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g_return_val_if_fail (GIMP_IS_TOOLBOX (toolbox), NULL);
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context = gimp_toolbox_get_context (toolbox);
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color_area = gimp_fg_bg_editor_new (context);
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gtk_widget_set_size_request (color_area, width, height);
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gimp_help_set_help_data (color_area, NULL,
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GIMP_HELP_TOOLBOX_COLOR_AREA);
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g_object_set (color_area, "has-tooltip", TRUE, NULL);
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g_signal_connect (color_area, "color-clicked",
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G_CALLBACK (color_area_color_clicked),
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context);
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g_signal_connect_swapped (color_area, "colors-swapped",
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G_CALLBACK (color_area_color_changed),
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context);
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g_signal_connect_swapped (color_area, "colors-default",
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G_CALLBACK (color_area_color_changed),
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context);
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g_signal_connect_swapped (color_area, "color-dropped",
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G_CALLBACK (color_area_color_changed),
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context);
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g_signal_connect (color_area, "tooltip",
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G_CALLBACK (color_area_tooltip),
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toolbox);
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return color_area;
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}
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/* private functions */
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static void
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color_area_foreground_changed (GimpContext *context,
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const GimpRGB *color,
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GimpColorDialog *dialog)
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{
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if (edit_color == GIMP_ACTIVE_COLOR_FOREGROUND)
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{
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g_signal_handlers_block_by_func (dialog,
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color_area_dialog_update,
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context);
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/* FIXME this should use GimpColorDialog API */
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gimp_color_selection_set_color (GIMP_COLOR_SELECTION (dialog->selection),
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color);
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g_signal_handlers_unblock_by_func (dialog,
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color_area_dialog_update,
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context);
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}
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}
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static void
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color_area_background_changed (GimpContext *context,
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const GimpRGB *color,
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GimpColorDialog *dialog)
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{
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if (edit_color == GIMP_ACTIVE_COLOR_BACKGROUND)
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{
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g_signal_handlers_block_by_func (dialog,
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color_area_dialog_update,
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context);
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/* FIXME this should use GimpColorDialog API */
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gimp_color_selection_set_color (GIMP_COLOR_SELECTION (dialog->selection),
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color);
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g_signal_handlers_unblock_by_func (dialog,
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color_area_dialog_update,
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context);
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}
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}
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static void
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color_area_dialog_update (GimpColorDialog *dialog,
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const GimpRGB *color,
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GimpColorDialogState state,
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GimpContext *context)
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{
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switch (state)
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{
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case GIMP_COLOR_DIALOG_OK:
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gtk_widget_hide (color_dialog);
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color_dialog_active = FALSE;
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/* Fallthrough */
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case GIMP_COLOR_DIALOG_UPDATE:
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if (edit_color == GIMP_ACTIVE_COLOR_FOREGROUND)
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{
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g_signal_handlers_block_by_func (context,
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color_area_foreground_changed,
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dialog);
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gimp_context_set_foreground (context, color);
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g_signal_handlers_unblock_by_func (context,
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color_area_foreground_changed,
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dialog);
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}
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else
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{
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g_signal_handlers_block_by_func (context,
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color_area_background_changed,
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dialog);
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gimp_context_set_background (context, color);
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g_signal_handlers_unblock_by_func (context,
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color_area_background_changed,
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dialog);
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}
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break;
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case GIMP_COLOR_DIALOG_CANCEL:
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gtk_widget_hide (color_dialog);
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color_dialog_active = FALSE;
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gimp_context_set_foreground (context, &revert_fg);
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gimp_context_set_background (context, &revert_bg);
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break;
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}
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if (gimp_context_get_display (context))
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gimp_display_grab_focus (gimp_context_get_display (context));
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}
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static void
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color_area_color_clicked (GimpFgBgEditor *editor,
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GimpActiveColor active_color,
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GimpContext *context)
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{
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GimpRGB color;
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const gchar *title;
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if (! color_dialog_active)
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{
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gimp_context_get_foreground (context, &revert_fg);
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gimp_context_get_background (context, &revert_bg);
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}
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if (active_color == GIMP_ACTIVE_COLOR_FOREGROUND)
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{
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gimp_context_get_foreground (context, &color);
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title = _("Change Foreground Color");
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}
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else
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{
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gimp_context_get_background (context, &color);
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title = _("Change Background Color");
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}
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edit_color = active_color;
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if (! color_dialog)
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{
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color_dialog = gimp_color_dialog_new (NULL, context, TRUE,
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NULL, NULL, NULL,
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GTK_WIDGET (editor),
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gimp_dialog_factory_get_singleton (),
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"gimp-toolbox-color-dialog",
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&color,
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TRUE, FALSE);
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g_signal_connect_object (color_dialog, "update",
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G_CALLBACK (color_area_dialog_update),
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G_OBJECT (context), 0);
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g_signal_connect_object (context, "foreground-changed",
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G_CALLBACK (color_area_foreground_changed),
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G_OBJECT (color_dialog), 0);
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g_signal_connect_object (context, "background-changed",
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G_CALLBACK (color_area_background_changed),
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G_OBJECT (color_dialog), 0);
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}
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else if (! gtk_widget_get_visible (color_dialog))
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{
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gimp_dialog_factory_position_dialog (gimp_dialog_factory_get_singleton (),
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"gimp-toolbox-color-dialog",
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color_dialog,
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gimp_widget_get_monitor (GTK_WIDGET (editor)));
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}
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gtk_window_set_title (GTK_WINDOW (color_dialog), title);
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gimp_color_dialog_set_color (GIMP_COLOR_DIALOG (color_dialog), &color);
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gtk_window_present (GTK_WINDOW (color_dialog));
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color_dialog_active = TRUE;
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}
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static void
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color_area_color_changed (GimpContext *context)
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{
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if (gimp_context_get_display (context))
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gimp_display_grab_focus (gimp_context_get_display (context));
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}
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static gboolean
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accel_find_func (GtkAccelKey *key,
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GClosure *closure,
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gpointer data)
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{
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return (GClosure *) data == closure;
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}
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static void
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color_area_tooltip (GimpFgBgEditor *editor,
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GimpFgBgTarget target,
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GtkTooltip *tooltip,
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GimpToolbox *toolbox)
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{
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GimpUIManager *manager = gimp_dock_get_ui_manager (GIMP_DOCK (toolbox));
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GimpAction *action = NULL;
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const gchar *text = NULL;
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switch (target)
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{
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case GIMP_FG_BG_TARGET_FOREGROUND:
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text = _("The active foreground color.\n"
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"Click to open the color selection dialog.");
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break;
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case GIMP_FG_BG_TARGET_BACKGROUND:
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text = _("The active background color.\n"
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"Click to open the color selection dialog.");
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break;
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case GIMP_FG_BG_TARGET_SWAP:
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action = gimp_ui_manager_find_action (manager, "context",
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"context-colors-swap");
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text = gimp_action_get_tooltip (action);
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break;
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case GIMP_FG_BG_TARGET_DEFAULT:
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action = gimp_ui_manager_find_action (manager, "context",
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"context-colors-default");
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text = gimp_action_get_tooltip (action);
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break;
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default:
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break;
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}
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if (text)
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{
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gchar *markup = NULL;
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if (action)
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{
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GtkAccelGroup *accel_group;
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GClosure *accel_closure;
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GtkAccelKey *accel_key;
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accel_closure = gimp_action_get_accel_closure (action);
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accel_group = gtk_accel_group_from_accel_closure (accel_closure);
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accel_key = gtk_accel_group_find (accel_group,
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accel_find_func,
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accel_closure);
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if (accel_key &&
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accel_key->accel_key &&
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(accel_key->accel_flags & GTK_ACCEL_VISIBLE))
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{
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gchar *escaped = g_markup_escape_text (text, -1);
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gchar *accel = gtk_accelerator_get_label (accel_key->accel_key,
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accel_key->accel_mods);
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markup = g_strdup_printf ("%s <b>%s</b>", escaped, accel);
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g_free (accel);
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g_free (escaped);
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}
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}
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if (markup)
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{
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gtk_tooltip_set_markup (tooltip, markup);
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g_free (markup);
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}
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else
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{
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gtk_tooltip_set_text (tooltip, text);
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}
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}
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}
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