359 lines
12 KiB
C
359 lines
12 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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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 "libpikawidgets/pikawidgets.h"
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#include "widgets-types.h"
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#include "config/pikaguiconfig.h"
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#include "core/pika.h"
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#include "core/pikacontext.h"
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#include "core/pikadisplay.h"
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#include "pikaaction.h"
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#include "pikacolordialog.h"
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#include "pikadialogfactory.h"
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#include "pikafgbgeditor.h"
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#include "pikahelp-ids.h"
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#include "pikasessioninfo.h"
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#include "pikatoolbox.h"
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#include "pikatoolbox-color-area.h"
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#include "pikauimanager.h"
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#include "pika-intl.h"
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/* local function prototypes */
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static void color_area_foreground_changed (PikaContext *context,
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const PikaRGB *color,
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PikaColorDialog *dialog);
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static void color_area_background_changed (PikaContext *context,
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const PikaRGB *color,
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PikaColorDialog *dialog);
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static void color_area_dialog_update (PikaColorDialog *dialog,
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const PikaRGB *color,
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PikaColorDialogState state,
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PikaContext *context);
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static void color_area_color_clicked (PikaFgBgEditor *editor,
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PikaActiveColor active_color,
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PikaContext *context);
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static void color_area_color_changed (PikaContext *context);
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static void color_area_tooltip (PikaFgBgEditor *editor,
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PikaFgBgTarget target,
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GtkTooltip *tooltip,
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PikaToolbox *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 PikaActiveColor edit_color = PIKA_ACTIVE_COLOR_FOREGROUND;
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static PikaRGB revert_fg;
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static PikaRGB revert_bg;
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/* public functions */
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GtkWidget *
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pika_toolbox_color_area_create (PikaToolbox *toolbox,
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gint width,
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gint height)
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{
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PikaContext *context;
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g_return_val_if_fail (PIKA_IS_TOOLBOX (toolbox), NULL);
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context = pika_toolbox_get_context (toolbox);
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color_area = pika_fg_bg_editor_new (context);
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gtk_widget_set_size_request (color_area, width, height);
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pika_help_set_help_data (color_area, NULL,
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PIKA_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 (PikaContext *context,
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const PikaRGB *color,
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PikaColorDialog *dialog)
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{
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if (edit_color == PIKA_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 PikaColorDialog API */
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pika_color_selection_set_color (PIKA_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 (PikaContext *context,
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const PikaRGB *color,
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PikaColorDialog *dialog)
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{
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if (edit_color == PIKA_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 PikaColorDialog API */
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pika_color_selection_set_color (PIKA_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 (PikaColorDialog *dialog,
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const PikaRGB *color,
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PikaColorDialogState state,
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PikaContext *context)
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{
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switch (state)
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{
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case PIKA_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 PIKA_COLOR_DIALOG_UPDATE:
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if (edit_color == PIKA_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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pika_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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pika_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 PIKA_COLOR_DIALOG_CANCEL:
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gtk_widget_hide (color_dialog);
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color_dialog_active = FALSE;
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pika_context_set_foreground (context, &revert_fg);
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pika_context_set_background (context, &revert_bg);
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break;
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}
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if (pika_context_get_display (context))
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pika_display_grab_focus (pika_context_get_display (context));
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}
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static void
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color_area_color_clicked (PikaFgBgEditor *editor,
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PikaActiveColor active_color,
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PikaContext *context)
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{
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PikaRGB color;
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const gchar *title;
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if (! color_dialog_active)
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{
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pika_context_get_foreground (context, &revert_fg);
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pika_context_get_background (context, &revert_bg);
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}
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if (active_color == PIKA_ACTIVE_COLOR_FOREGROUND)
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{
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pika_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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pika_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 = pika_color_dialog_new (NULL, context, TRUE,
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NULL, NULL, NULL,
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GTK_WIDGET (editor),
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pika_dialog_factory_get_singleton (),
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"pika-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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pika_dialog_factory_position_dialog (pika_dialog_factory_get_singleton (),
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"pika-toolbox-color-dialog",
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color_dialog,
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pika_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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pika_color_dialog_set_color (PIKA_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 (PikaContext *context)
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{
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if (pika_context_get_display (context))
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pika_display_grab_focus (pika_context_get_display (context));
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}
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static void
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color_area_tooltip (PikaFgBgEditor *editor,
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PikaFgBgTarget target,
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GtkTooltip *tooltip,
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PikaToolbox *toolbox)
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{
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PikaUIManager *manager = pika_dock_get_ui_manager (PIKA_DOCK (toolbox));
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PikaAction *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 PIKA_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 PIKA_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 PIKA_FG_BG_TARGET_SWAP:
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action = pika_ui_manager_find_action (manager, "context",
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"context-colors-swap");
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text = pika_action_get_tooltip (action);
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break;
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case PIKA_FG_BG_TARGET_DEFAULT:
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action = pika_ui_manager_find_action (manager, "context",
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"context-colors-default");
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text = pika_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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gchar **accels = pika_action_get_display_accels (action);
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if (accels && accels[0])
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{
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gchar *escaped = g_markup_escape_text (text, -1);
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markup = g_strdup_printf ("%s <b>%s</b>", escaped, accels[0]);
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g_free (escaped);
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}
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g_strfreev (accels);
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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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