mirror of https://github.com/GNOME/gimp.git
393 lines
11 KiB
C
393 lines
11 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpdialog.c
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* Copyright (C) 2000 Michael Natterer <mitch@gimp.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <string.h> /* strcmp */
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#include <gtk/gtk.h>
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#include "gimpwidgetstypes.h"
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#include "gimpdialog.h"
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#include "gimphelpui.h"
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typedef void (* GimpDialogCancelCallback) (GtkWidget *widget,
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gpointer data);
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static void gimp_dialog_class_init (GimpDialogClass *klass);
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static void gimp_dialog_init (GimpDialog *dialog);
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static gboolean gimp_dialog_delete_event (GtkWidget *widget,
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GdkEventAny *event);
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static GtkDialogClass *parent_class = NULL;
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GType
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gimp_dialog_get_type (void)
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{
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static GType dialog_type = 0;
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if (! dialog_type)
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{
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static const GTypeInfo dialog_info =
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{
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sizeof (GimpDialogClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gimp_dialog_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpDialog),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_dialog_init,
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};
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dialog_type = g_type_register_static (GTK_TYPE_DIALOG,
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"GimpDialog",
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&dialog_info, 0);
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}
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return dialog_type;
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}
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static void
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gimp_dialog_class_init (GimpDialogClass *klass)
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{
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GtkWidgetClass *widget_class;
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widget_class = GTK_WIDGET_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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widget_class->delete_event = gimp_dialog_delete_event;
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}
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static void
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gimp_dialog_init (GimpDialog *dialog)
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{
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}
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static gboolean
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gimp_dialog_delete_event (GtkWidget *widget,
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GdkEventAny *event)
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{
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GimpDialogCancelCallback cancel_callback;
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GtkWidget *cancel_widget;
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gpointer cancel_data;
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cancel_callback = (GimpDialogCancelCallback)
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g_object_get_data (G_OBJECT (widget), "gimp_dialog_cancel_callback");
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cancel_widget = (GtkWidget *)
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g_object_get_data (G_OBJECT (widget), "gimp_dialog_cancel_widget");
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cancel_data =
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g_object_get_data (G_OBJECT (widget), "gimp_dialog_cancel_data");
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/* the cancel callback has to destroy the dialog */
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if (cancel_callback)
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{
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cancel_callback (cancel_widget, cancel_data);
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}
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return TRUE;
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}
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/**
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* gimp_dialog_new:
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* @title: The dialog's title which will be set with
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* gtk_window_set_title().
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* @wmclass_name: The dialog's @wmclass_name which will be set with
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* gtk_window_set_wmclass(). The @wmclass_class will be
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* automatically set to "Gimp".
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* @help_func: The function which will be called if the user presses "F1".
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* @help_data: The data pointer which will be passed to @help_func.
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* @position: The dialog's initial position which will be set with
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* gtk_window_set_position().
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* @allow_shrink: The dialog's @allow_shrink flag, ...
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* @allow_grow: ... it't @allow_grow flag and ...
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* @auto_shrink: ... it's @auto_shrink flag which will all be set with
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* gtk_window_set_policy().
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* @...: A #NULL terminated @va_list destribing the
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* action_area buttons.
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*
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* This function simply packs the action_area arguments passed in "..."
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* into a @va_list variable and passes everything to gimp_dialog_newv().
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*
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* For a description of the format of the @va_list describing the
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* action_area buttons see gimp_dialog_create_action_areav().
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*
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* Returns: A #GimpDialog.
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**/
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GtkWidget *
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gimp_dialog_new (const gchar *title,
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const gchar *wmclass_name,
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GimpHelpFunc help_func,
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const gchar *help_data,
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GtkWindowPosition position,
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gint allow_shrink,
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gint allow_grow,
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gint auto_shrink,
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/* specify action area buttons as va_list:
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* const gchar *label,
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* GCallback callback,
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* gpointer callback_data,
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* GObject *slot_object,
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* GtkWidget **widget_ptr,
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* gboolean default_action,
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* gboolean connect_delete,
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*/
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...)
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{
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GtkWidget *dialog;
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va_list args;
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va_start (args, auto_shrink);
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dialog = gimp_dialog_newv (title,
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wmclass_name,
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help_func,
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help_data,
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position,
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allow_shrink,
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allow_grow,
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auto_shrink,
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args);
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va_end (args);
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return dialog;
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}
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/**
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* gimp_dialog_newv:
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* @title: The dialog's title which will be set with
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* gtk_window_set_title().
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* @wmclass_name: The dialog's @wmclass_name which will be set with
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* gtk_window_set_wmclass(). The @wmclass_class will be
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* automatically set to "Gimp".
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* @help_func: The function which will be called if the user presses "F1".
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* @help_data: The data pointer which will be passed to @help_func.
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* @position: The dialog's initial position which will be set with
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* gtk_window_set_position().
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* @allow_shrink: The dialog's @allow_shrink flag, ...
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* @allow_grow: ... it't @allow_grow flag and ...
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* @auto_shrink: ... it's @auto_shrink flag which will all be set with
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* gtk_window_set_policy().
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* @args: A @va_list as obtained with va_start() describing the
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* action_area buttons.
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*
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* This function performs all neccessary setps to set up a standard GIMP
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* dialog.
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*
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* The @va_list describing the action_area buttons will be passed to
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* gimp_dialog_create_action_areav().
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*
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* Returns: A #GimpDialog.
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**/
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GtkWidget *
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gimp_dialog_newv (const gchar *title,
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const gchar *wmclass_name,
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GimpHelpFunc help_func,
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const gchar *help_data,
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GtkWindowPosition position,
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gint allow_shrink,
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gint allow_grow,
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gint auto_shrink,
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va_list args)
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{
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GtkWidget *dialog;
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g_return_val_if_fail (title != NULL, NULL);
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g_return_val_if_fail (wmclass_name != NULL, NULL);
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dialog = g_object_new (GIMP_TYPE_DIALOG, NULL);
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gtk_window_set_title (GTK_WINDOW (dialog), title);
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gtk_window_set_wmclass (GTK_WINDOW (dialog), wmclass_name, "Gimp");
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gtk_window_set_position (GTK_WINDOW (dialog), position);
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gtk_window_set_policy (GTK_WINDOW (dialog),
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allow_shrink, allow_grow, auto_shrink);
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/* prepare the action_area */
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gimp_dialog_create_action_areav (GIMP_DIALOG (dialog), args);
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/* connect the "F1" help key */
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if (help_func)
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gimp_help_connect (dialog, help_func, help_data);
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return dialog;
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}
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/**
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* gimp_dialog_create_action_area:
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* @dialog: The #GimpDialog you want to create the action_area for.
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* @...: A #NULL terminated @va_list destribing the action_area buttons.
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*
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* This function simply packs the action_area arguments passed in "..."
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* into a @va_list variable and passes everything to
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* gimp_dialog_create_action_areav().
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**/
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void
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gimp_dialog_create_action_area (GimpDialog *dialog,
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/* specify action area buttons as va_list:
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* const gchar *label,
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* GCallback callback,
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* gpointer callback_data,
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* GObject *slot_object,
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* GtkWidget **widget_ptr,
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* gboolean default_action,
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* gboolean connect_delete,
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*/
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...)
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{
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va_list args;
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va_start (args, dialog);
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gimp_dialog_create_action_areav (dialog, args);
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va_end (args);
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}
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/**
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* gimp_dialog_create_action_areav:
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* @dialog: The #GimpDialog you want to create the action_area for.
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* @args: A @va_list as obtained with va_start() describing the action_area
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* buttons.
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*
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* Please note that the delete_event will only be connected to the first
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* button with the "connect_delete" boolean set to true. It is possible
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* to just connect the delete_event to a callback without adding a new
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* button with a special label "_delete_event_", connect_delete == true
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* and callback != NULL.
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**/
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void
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gimp_dialog_create_action_areav (GimpDialog *dialog,
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va_list args)
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{
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GtkWidget *button;
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/* action area variables */
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const gchar *label;
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GCallback callback;
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gpointer callback_data;
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GObject *slot_object;
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GtkWidget **widget_ptr;
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gboolean default_action;
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gboolean connect_delete;
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gboolean delete_connected = FALSE;
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g_return_if_fail (GIMP_IS_DIALOG (dialog));
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label = va_arg (args, const gchar *);
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/* the action_area buttons */
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while (label)
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{
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callback = va_arg (args, GCallback);
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callback_data = va_arg (args, gpointer);
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slot_object = va_arg (args, GObject *);
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widget_ptr = va_arg (args, GtkWidget **);
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default_action = va_arg (args, gboolean);
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connect_delete = va_arg (args, gboolean);
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if (slot_object == (GObject *) 1)
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slot_object = G_OBJECT (dialog);
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if (callback_data == NULL)
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callback_data = dialog;
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/*
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* Dont create a button if the label is "_delete_event_" --
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* some dialogs just need to connect to the delete_event from
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* the window...
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*/
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if (connect_delete &&
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callback &&
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! delete_connected &&
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strcmp (label, "_delete_event_") == 0)
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{
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if (widget_ptr)
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*widget_ptr = GTK_WIDGET (dialog);
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g_object_set_data (G_OBJECT (dialog), "gimp_dialog_cancel_callback",
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callback);
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g_object_set_data (G_OBJECT (dialog), "gimp_dialog_cancel_widget",
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slot_object ? slot_object : G_OBJECT (dialog));
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g_object_set_data (G_OBJECT (dialog), "gimp_dialog_cancel_data",
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callback_data);
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delete_connected = TRUE;
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}
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/* otherwise just create the requested button. */
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else
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{
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button = gtk_dialog_add_button (GTK_DIALOG (dialog),
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label, GTK_RESPONSE_NONE);
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if (callback)
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{
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if (slot_object)
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g_signal_connect_swapped (G_OBJECT (button), "clicked",
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G_CALLBACK (callback),
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slot_object);
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else
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g_signal_connect (G_OBJECT (button), "clicked",
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G_CALLBACK (callback),
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callback_data);
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}
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if (widget_ptr)
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*widget_ptr = button;
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if (connect_delete && callback && ! delete_connected)
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{
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g_object_set_data (G_OBJECT (dialog), "gimp_dialog_cancel_callback",
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callback);
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g_object_set_data (G_OBJECT (dialog), "gimp_dialog_cancel_widget",
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slot_object ? slot_object : G_OBJECT (button));
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g_object_set_data (G_OBJECT (dialog), "gimp_dialog_cancel_data",
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callback_data);
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delete_connected = TRUE;
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}
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if (default_action)
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gtk_widget_grab_default (button);
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}
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label = va_arg (args, gchar *);
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}
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}
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