PIKApp/app/widgets/pikatoolbox-indicator-area.c

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libpikawidgets/pikawidgets.h"
#include "widgets-types.h"
#include "core/pika.h"
#include "core/pikabrush.h"
#include "core/pikacontext.h"
#include "core/pikagradient.h"
#include "core/pikapattern.h"
#include "pikadnd.h"
#include "pikahelp-ids.h"
#include "pikatoolbox.h"
#include "pikatoolbox-indicator-area.h"
#include "pikaview.h"
#include "pikawidgets-utils.h"
#include "pikawindowstrategy.h"
#include "pika-intl.h"
#define CELL_SIZE 24 /* The size of the previews */
#define GRAD_CELL_WIDTH 52 /* The width of the gradient preview */
#define GRAD_CELL_HEIGHT 12 /* The height of the gradient preview */
#define CELL_SPACING 2 /* How much between brush and pattern cells */
static void
brush_preview_clicked (GtkWidget *widget,
GdkModifierType state,
PikaToolbox *toolbox)
{
PikaContext *context = pika_toolbox_get_context (toolbox);
pika_window_strategy_show_dockable_dialog (PIKA_WINDOW_STRATEGY (pika_get_window_strategy (context->pika)),
context->pika,
pika_dock_get_dialog_factory (PIKA_DOCK (toolbox)),
pika_widget_get_monitor (widget),
"pika-brush-grid|pika-brush-list");
}
static void
brush_preview_drop_brush (GtkWidget *widget,
gint x,
gint y,
PikaViewable *viewable,
gpointer data)
{
PikaContext *context = PIKA_CONTEXT (data);
pika_context_set_brush (context, PIKA_BRUSH (viewable));
}
static void
pattern_preview_clicked (GtkWidget *widget,
GdkModifierType state,
PikaToolbox *toolbox)
{
PikaContext *context = pika_toolbox_get_context (toolbox);
pika_window_strategy_show_dockable_dialog (PIKA_WINDOW_STRATEGY (pika_get_window_strategy (context->pika)),
context->pika,
pika_dock_get_dialog_factory (PIKA_DOCK (toolbox)),
pika_widget_get_monitor (widget),
"pika-pattern-grid|pika-pattern-list");
}
static void
pattern_preview_drop_pattern (GtkWidget *widget,
gint x,
gint y,
PikaViewable *viewable,
gpointer data)
{
PikaContext *context = PIKA_CONTEXT (data);
pika_context_set_pattern (context, PIKA_PATTERN (viewable));
}
static void
gradient_preview_clicked (GtkWidget *widget,
GdkModifierType state,
PikaToolbox *toolbox)
{
PikaContext *context = pika_toolbox_get_context (toolbox);
pika_window_strategy_show_dockable_dialog (PIKA_WINDOW_STRATEGY (pika_get_window_strategy (context->pika)),
context->pika,
pika_dock_get_dialog_factory (PIKA_DOCK (toolbox)),
pika_widget_get_monitor (widget),
"pika-gradient-list|pika-gradient-grid");
}
static void
gradient_preview_drop_gradient (GtkWidget *widget,
gint x,
gint y,
PikaViewable *viewable,
gpointer data)
{
PikaContext *context = PIKA_CONTEXT (data);
pika_context_set_gradient (context, PIKA_GRADIENT (viewable));
}
/* public functions */
GtkWidget *
pika_toolbox_indicator_area_create (PikaToolbox *toolbox)
{
PikaContext *context;
GtkWidget *grid;
GtkWidget *brush_view;
GtkWidget *pattern_view;
GtkWidget *gradient_view;
g_return_val_if_fail (PIKA_IS_TOOLBOX (toolbox), NULL);
context = pika_toolbox_get_context (toolbox);
grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (grid), CELL_SPACING);
gtk_grid_set_column_spacing (GTK_GRID (grid), CELL_SPACING);
pika_help_set_help_data (grid, NULL, PIKA_HELP_TOOLBOX_INDICATOR_AREA);
/* brush view */
brush_view =
pika_view_new_full_by_types (context,
PIKA_TYPE_VIEW, PIKA_TYPE_BRUSH,
CELL_SIZE, CELL_SIZE, 1,
FALSE, TRUE, TRUE);
pika_view_set_viewable (PIKA_VIEW (brush_view),
PIKA_VIEWABLE (pika_context_get_brush (context)));
gtk_grid_attach (GTK_GRID (grid), brush_view, 0, 0, 1, 1);
gtk_widget_show (brush_view);
pika_help_set_help_data (brush_view,
_("The active brush.\n"
"Click to open the Brush Dialog."), NULL);
g_signal_connect_object (context, "brush-changed",
G_CALLBACK (pika_view_set_viewable),
brush_view,
G_CONNECT_SWAPPED);
g_signal_connect (brush_view, "clicked",
G_CALLBACK (brush_preview_clicked),
toolbox);
pika_dnd_viewable_dest_add (brush_view,
PIKA_TYPE_BRUSH,
brush_preview_drop_brush,
context);
/* pattern view */
pattern_view =
pika_view_new_full_by_types (context,
PIKA_TYPE_VIEW, PIKA_TYPE_PATTERN,
CELL_SIZE, CELL_SIZE, 1,
FALSE, TRUE, TRUE);
pika_view_set_viewable (PIKA_VIEW (pattern_view),
PIKA_VIEWABLE (pika_context_get_pattern (context)));
gtk_grid_attach (GTK_GRID (grid), pattern_view, 1, 0, 1, 1);
gtk_widget_show (pattern_view);
pika_help_set_help_data (pattern_view,
_("The active pattern.\n"
"Click to open the Pattern Dialog."), NULL);
g_signal_connect_object (context, "pattern-changed",
G_CALLBACK (pika_view_set_viewable),
pattern_view,
G_CONNECT_SWAPPED);
g_signal_connect (pattern_view, "clicked",
G_CALLBACK (pattern_preview_clicked),
toolbox);
pika_dnd_viewable_dest_add (pattern_view,
PIKA_TYPE_PATTERN,
pattern_preview_drop_pattern,
context);
/* gradient view */
gradient_view =
pika_view_new_full_by_types (context,
PIKA_TYPE_VIEW, PIKA_TYPE_GRADIENT,
GRAD_CELL_WIDTH, GRAD_CELL_HEIGHT, 1,
FALSE, TRUE, TRUE);
pika_view_set_viewable (PIKA_VIEW (gradient_view),
PIKA_VIEWABLE (pika_context_get_gradient (context)));
gtk_grid_attach (GTK_GRID (grid), gradient_view, 0, 1, 2, 1);
gtk_widget_show (gradient_view);
pika_help_set_help_data (gradient_view,
_("The active gradient.\n"
"Click to open the Gradient Dialog."), NULL);
g_signal_connect_object (context, "gradient-changed",
G_CALLBACK (pika_view_set_viewable),
gradient_view,
G_CONNECT_SWAPPED);
g_signal_connect (gradient_view, "clicked",
G_CALLBACK (gradient_preview_clicked),
toolbox);
pika_dnd_viewable_dest_add (gradient_view,
PIKA_TYPE_GRADIENT,
gradient_preview_drop_gradient,
context);
gtk_widget_show (grid);
return grid;
}