gimp/app/gui/font-select.c

265 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 "text/gimpfont.h"
#include "pdb/procedural_db.h"
#include "widgets/gimpcontainertreeview.h"
#include "widgets/gimphelp-ids.h"
#include "menus/menus.h"
#include "dialogs-constructors.h"
#include "font-select.h"
#include "gimp-intl.h"
/* local function prototypes */
static void font_select_change_callbacks (FontSelect *font_select,
gboolean closing);
static void font_select_font_changed (GimpContext *context,
GimpFont *font,
FontSelect *font_select);
static void font_select_response (GtkWidget *widget,
gint response_id,
FontSelect *font_select);
/* list of active dialogs */
static GSList *font_active_dialogs = NULL;
/* public functions */
FontSelect *
font_select_new (Gimp *gimp,
GimpContext *context,
const gchar *title,
const gchar *initial_font,
const gchar *callback_name)
{
FontSelect *font_select;
GimpFont *active = NULL;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (title != NULL, NULL);
if (initial_font && strlen (initial_font))
{
active = (GimpFont *)
gimp_container_get_child_by_name (gimp->fonts, initial_font);
}
if (! active)
active = gimp_context_get_font (context);
if (! active)
return NULL;
font_select = g_new0 (FontSelect, 1);
/* Add to active font dialogs list */
font_active_dialogs = g_slist_append (font_active_dialogs, font_select);
font_select->context = gimp_context_new (gimp, title, NULL);
font_select->callback_name = g_strdup (callback_name);
gimp_context_set_font (font_select->context, active);
g_signal_connect (font_select->context, "font_changed",
G_CALLBACK (font_select_font_changed),
font_select);
/* the shell */
font_select->shell = gimp_dialog_new (title, "font_selection",
NULL, 0,
gimp_standard_help_func,
GIMP_HELP_FONT_DIALOG,
GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
NULL);
g_signal_connect (font_select->shell, "response",
G_CALLBACK (font_select_response),
font_select);
/* The Font List */
font_select->view = gimp_container_tree_view_new (gimp->fonts,
font_select->context,
GIMP_PREVIEW_SIZE_MEDIUM, 1,
FALSE);
gimp_container_box_set_size_request (GIMP_CONTAINER_BOX (font_select->view),
5 * (GIMP_PREVIEW_SIZE_MEDIUM + 2),
5 * (GIMP_PREVIEW_SIZE_MEDIUM + 2));
gtk_container_set_border_width (GTK_CONTAINER (font_select->view), 6);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (font_select->shell)->vbox),
font_select->view);
gtk_widget_show (font_select->view);
gtk_widget_show (font_select->shell);
return font_select;
}
void
font_select_free (FontSelect *font_select)
{
g_return_if_fail (font_select != NULL);
gtk_widget_destroy (font_select->shell);
/* remove from active list */
font_active_dialogs = g_slist_remove (font_active_dialogs, font_select);
if (font_select->callback_name)
g_free (font_select->callback_name);
if (font_select->context)
g_object_unref (font_select->context);
g_free (font_select);
}
FontSelect *
font_select_get_by_callback (const gchar *callback_name)
{
GSList *list;
FontSelect *font_select;
for (list = font_active_dialogs; list; list = g_slist_next (list))
{
font_select = (FontSelect *) list->data;
if (font_select->callback_name && !
strcmp (callback_name, font_select->callback_name))
return font_select;
}
return NULL;
}
void
font_select_dialogs_check (void)
{
FontSelect *font_select;
GSList *list;
list = font_active_dialogs;
while (list)
{
font_select = (FontSelect *) list->data;
list = g_slist_next (list);
if (font_select->callback_name)
{
if (! procedural_db_lookup (font_select->context->gimp,
font_select->callback_name))
font_select_response (NULL, GTK_RESPONSE_CLOSE, font_select);
}
}
}
/* private functions */
static void
font_select_change_callbacks (FontSelect *font_select,
gboolean closing)
{
ProcRecord *proc;
GimpFont *font;
static gboolean busy = FALSE;
if (! (font_select && font_select->callback_name) || busy)
return;
busy = TRUE;
font = gimp_context_get_font (font_select->context);
/* If its still registered run it */
proc = procedural_db_lookup (font_select->context->gimp,
font_select->callback_name);
if (proc && font)
{
Argument *return_vals;
gint nreturn_vals;
return_vals =
procedural_db_run_proc (font_select->context->gimp,
font_select->context,
font_select->callback_name,
&nreturn_vals,
GIMP_PDB_STRING, GIMP_OBJECT (font)->name,
GIMP_PDB_INT32, closing,
GIMP_PDB_END);
if (!return_vals || return_vals[0].value.pdb_int != GIMP_PDB_SUCCESS)
g_message (_("Unable to run font callback. "
"The corresponding plug-in may have crashed."));
if (return_vals)
procedural_db_destroy_args (return_vals, nreturn_vals);
}
busy = FALSE;
}
static void
font_select_font_changed (GimpContext *context,
GimpFont *font,
FontSelect *font_select)
{
if (font)
font_select_change_callbacks (font_select, FALSE);
}
static void
font_select_response (GtkWidget *widget,
gint response_id,
FontSelect *font_select)
{
font_select_change_callbacks (font_select, TRUE);
font_select_free (font_select);
}