mirror of https://github.com/GNOME/gimp.git
287 lines
7.4 KiB
C
287 lines
7.4 KiB
C
/* The GIMP -- an image manipulation program
|
|
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
* Copyright (C) 1998 Andy Thomas (alt@picnic.demon.co.uk)
|
|
*
|
|
* 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 2 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, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <string.h>
|
|
|
|
#include <gtk/gtk.h>
|
|
|
|
#include "libgimpwidgets/gimpwidgets.h"
|
|
|
|
#include "gui-types.h"
|
|
|
|
#include "core/gimp.h"
|
|
#include "core/gimpcontainer.h"
|
|
#include "core/gimpcontext.h"
|
|
#include "core/gimpdatafactory.h"
|
|
#include "core/gimppalette.h"
|
|
|
|
#include "pdb/procedural_db.h"
|
|
|
|
#include "widgets/gimpdatafactoryview.h"
|
|
#include "widgets/gimpitemfactory.h"
|
|
|
|
#include "dialogs-constructors.h"
|
|
#include "palette-select.h"
|
|
|
|
#include "libgimp/gimpintl.h"
|
|
|
|
|
|
#define STD_PALETTE_COLUMNS 6
|
|
#define STD_PALETTE_ROWS 5
|
|
|
|
|
|
/* local function prototypes */
|
|
|
|
static void palette_select_change_callbacks (PaletteSelect *psp,
|
|
gboolean closing);
|
|
static void palette_select_palette_changed (GimpContext *context,
|
|
GimpPalette *palette,
|
|
PaletteSelect *psp);
|
|
static void palette_select_close_callback (GtkWidget *widget,
|
|
PaletteSelect *psp);
|
|
|
|
|
|
/* list of active dialogs */
|
|
static GSList *palette_active_dialogs = NULL;
|
|
|
|
|
|
/* public functions */
|
|
|
|
PaletteSelect *
|
|
palette_select_new (Gimp *gimp,
|
|
GimpContext *context,
|
|
const gchar *title,
|
|
const gchar *initial_palette,
|
|
const gchar *callback_name)
|
|
{
|
|
PaletteSelect *psp;
|
|
GimpPalette *active = NULL;
|
|
|
|
static gboolean first_call = TRUE;
|
|
|
|
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
|
|
g_return_val_if_fail (! context || GIMP_IS_CONTEXT (context), NULL);
|
|
g_return_val_if_fail (title != NULL, NULL);
|
|
|
|
if (gimp->no_data && first_call)
|
|
gimp_data_factory_data_init (gimp->palette_factory, FALSE);
|
|
|
|
first_call = FALSE;
|
|
|
|
if (initial_palette && strlen (initial_palette))
|
|
{
|
|
active = (GimpPalette *)
|
|
gimp_container_get_child_by_name (gimp->palette_factory->container,
|
|
initial_palette);
|
|
}
|
|
else
|
|
{
|
|
active = gimp_context_get_palette (gimp_get_user_context (gimp));
|
|
}
|
|
|
|
if (! active)
|
|
active = gimp_context_get_palette (gimp_get_current_context (gimp));
|
|
|
|
if (! active)
|
|
return NULL;
|
|
|
|
psp = g_new0 (PaletteSelect, 1);
|
|
|
|
/* Add to active palette dialogs list */
|
|
palette_active_dialogs = g_slist_append (palette_active_dialogs, psp);
|
|
|
|
psp->context = gimp_context_new (gimp, title, NULL);
|
|
psp->callback_name = g_strdup (callback_name);
|
|
|
|
if (context)
|
|
{
|
|
gimp_context_define_properties (psp->context,
|
|
GIMP_CONTEXT_PALETTE_MASK,
|
|
FALSE);
|
|
gimp_context_set_parent (psp->context, context);
|
|
}
|
|
|
|
gimp_context_set_palette (psp->context, active);
|
|
|
|
g_signal_connect (G_OBJECT (psp->context), "palette_changed",
|
|
G_CALLBACK (palette_select_palette_changed),
|
|
psp);
|
|
|
|
/* the shell */
|
|
psp->shell = gimp_dialog_new (title, "palette_selection",
|
|
gimp_standard_help_func,
|
|
"dialogs/palette_selection.html",
|
|
GTK_WIN_POS_MOUSE,
|
|
FALSE, TRUE, FALSE,
|
|
|
|
"_delete_event_", palette_select_close_callback,
|
|
psp, NULL, NULL, FALSE, TRUE,
|
|
|
|
NULL);
|
|
|
|
gtk_dialog_set_has_separator (GTK_DIALOG (psp->shell), FALSE);
|
|
gtk_widget_hide (GTK_DIALOG (psp->shell)->action_area);
|
|
|
|
/* The Palette List */
|
|
psp->view =
|
|
gimp_data_factory_view_new (GIMP_VIEW_TYPE_LIST,
|
|
gimp->palette_factory,
|
|
dialogs_edit_palette_func,
|
|
psp->context,
|
|
32,
|
|
5, 3,
|
|
gimp_item_factory_from_path ("<Palettes>"));
|
|
|
|
gtk_container_set_border_width (GTK_CONTAINER (psp->view), 2);
|
|
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (psp->shell)->vbox), psp->view);
|
|
gtk_widget_show (psp->view);
|
|
|
|
gtk_widget_show (psp->shell);
|
|
|
|
return psp;
|
|
}
|
|
|
|
void
|
|
palette_select_free (PaletteSelect *psp)
|
|
{
|
|
g_return_if_fail (psp != NULL);
|
|
|
|
gtk_widget_destroy (psp->shell);
|
|
|
|
/* remove from active list */
|
|
palette_active_dialogs = g_slist_remove (palette_active_dialogs, psp);
|
|
|
|
if (psp->callback_name)
|
|
g_free (psp->callback_name);
|
|
|
|
if (psp->context)
|
|
g_object_unref (G_OBJECT (psp->context));
|
|
|
|
g_free (psp);
|
|
}
|
|
|
|
PaletteSelect *
|
|
palette_select_get_by_callback (const gchar *callback_name)
|
|
{
|
|
GSList *list;
|
|
PaletteSelect *psp;
|
|
|
|
for (list = palette_active_dialogs; list; list = g_slist_next (list))
|
|
{
|
|
psp = (PaletteSelect *) list->data;
|
|
|
|
if (psp->callback_name && ! strcmp (callback_name, psp->callback_name))
|
|
return psp;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
palette_select_dialogs_check (void)
|
|
{
|
|
PaletteSelect *psp;
|
|
GSList *list;
|
|
ProcRecord *proc = NULL;
|
|
|
|
list = palette_active_dialogs;
|
|
|
|
while (list)
|
|
{
|
|
psp = (PaletteSelect *) list->data;
|
|
|
|
list = g_slist_next (list);
|
|
|
|
if (psp->callback_name)
|
|
{
|
|
proc = procedural_db_lookup (psp->context->gimp, psp->callback_name);
|
|
|
|
if (! proc)
|
|
palette_select_close_callback (NULL, psp);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* private functions */
|
|
|
|
static void
|
|
palette_select_change_callbacks (PaletteSelect *psp,
|
|
gboolean closing)
|
|
{
|
|
ProcRecord *proc = NULL;
|
|
GimpPalette *palette;
|
|
Argument *return_vals;
|
|
gint nreturn_vals;
|
|
|
|
static gboolean busy = FALSE;
|
|
|
|
if (! (psp && psp->callback_name) || busy)
|
|
return;
|
|
|
|
busy = TRUE;
|
|
|
|
palette = gimp_context_get_palette (psp->context);
|
|
|
|
/* If its still registered run it */
|
|
proc = procedural_db_lookup (psp->context->gimp, psp->callback_name);
|
|
|
|
if (proc && palette)
|
|
{
|
|
return_vals =
|
|
procedural_db_run_proc (psp->context->gimp,
|
|
psp->callback_name,
|
|
&nreturn_vals,
|
|
GIMP_PDB_STRING, GIMP_OBJECT (palette)->name,
|
|
GIMP_PDB_INT32, palette->n_colors,
|
|
GIMP_PDB_INT32, closing,
|
|
GIMP_PDB_END);
|
|
|
|
if (!return_vals || return_vals[0].value.pdb_int != GIMP_PDB_SUCCESS)
|
|
g_message (_("Unable to run palette callback.\n"
|
|
"The corresponding plug-in may have crashed."));
|
|
|
|
if (return_vals)
|
|
procedural_db_destroy_args (return_vals, nreturn_vals);
|
|
}
|
|
|
|
busy = FALSE;
|
|
}
|
|
|
|
static void
|
|
palette_select_palette_changed (GimpContext *context,
|
|
GimpPalette *palette,
|
|
PaletteSelect *psp)
|
|
{
|
|
if (palette)
|
|
{
|
|
palette_select_change_callbacks (psp, FALSE);
|
|
}
|
|
}
|
|
|
|
static void
|
|
palette_select_close_callback (GtkWidget *widget,
|
|
PaletteSelect *psp)
|
|
{
|
|
palette_select_change_callbacks (psp, TRUE);
|
|
palette_select_free (psp);
|
|
}
|