543b1c2f78
Fri Mar 12 23:37:15 2004 Soeren Sandmann <sandmann@daimi.au.dk> * gtk/gtkfilechooserdialog.c (file_chooser_widget_default_realized_size_changed): Clamp the new size to the screen. Part of bug 129020.
634 lines
19 KiB
C
634 lines
19 KiB
C
/* GTK - The GIMP Toolkit
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* gtkfilechooserdialog.c: File selector dialog
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* Copyright (C) 2003, Red Hat, Inc.
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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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* Lesser 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 "gtkfilechooserdialog.h"
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#include "gtkfilechooserwidget.h"
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#include "gtkfilechooserutils.h"
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#include "gtkfilechooserembed.h"
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#include "gtkfilesystem.h"
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#include "gtktypebuiltins.h"
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#include <stdarg.h>
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struct _GtkFileChooserDialogPrivate
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{
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GtkWidget *widget;
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char *file_system;
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/* for use with GtkFileChooserEmbed */
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gint default_width;
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gint default_height;
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gboolean resize_horizontally;
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gboolean resize_vertically;
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};
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#define GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE(o) (GTK_FILE_CHOOSER_DIALOG (o)->priv)
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static void gtk_file_chooser_dialog_class_init (GtkFileChooserDialogClass *class);
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static void gtk_file_chooser_dialog_init (GtkFileChooserDialog *dialog);
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static void gtk_file_chooser_dialog_finalize (GObject *object);
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static GObject* gtk_file_chooser_dialog_constructor (GType type,
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guint n_construct_properties,
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GObjectConstructParam *construct_params);
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static void gtk_file_chooser_dialog_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gtk_file_chooser_dialog_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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static void gtk_file_chooser_dialog_style_set (GtkWidget *widget,
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GtkStyle *previous_style);
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static void response_cb (GtkDialog *dialog,
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gint response_id);
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static GObjectClass *parent_class;
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GType
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gtk_file_chooser_dialog_get_type (void)
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{
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static GType file_chooser_dialog_type = 0;
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if (!file_chooser_dialog_type)
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{
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static const GTypeInfo file_chooser_dialog_info =
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{
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sizeof (GtkFileChooserDialogClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gtk_file_chooser_dialog_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GtkFileChooserDialog),
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0, /* n_preallocs */
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(GInstanceInitFunc) gtk_file_chooser_dialog_init,
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};
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static const GInterfaceInfo file_chooser_info =
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{
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(GInterfaceInitFunc) _gtk_file_chooser_delegate_iface_init, /* interface_init */
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NULL, /* interface_finalize */
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NULL /* interface_data */
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};
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file_chooser_dialog_type = g_type_register_static (GTK_TYPE_DIALOG, "GtkFileChooserDialog",
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&file_chooser_dialog_info, 0);
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g_type_add_interface_static (file_chooser_dialog_type,
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GTK_TYPE_FILE_CHOOSER,
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&file_chooser_info);
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}
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return file_chooser_dialog_type;
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}
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static void
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gtk_file_chooser_dialog_class_init (GtkFileChooserDialogClass *class)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (class);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
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parent_class = g_type_class_peek_parent (class);
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gobject_class->constructor = gtk_file_chooser_dialog_constructor;
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gobject_class->set_property = gtk_file_chooser_dialog_set_property;
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gobject_class->get_property = gtk_file_chooser_dialog_get_property;
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gobject_class->finalize = gtk_file_chooser_dialog_finalize;
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widget_class->style_set = gtk_file_chooser_dialog_style_set;
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_gtk_file_chooser_install_properties (gobject_class);
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g_type_class_add_private (class, sizeof (GtkFileChooserDialogPrivate));
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}
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static void
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gtk_file_chooser_dialog_init (GtkFileChooserDialog *dialog)
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{
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GtkFileChooserDialogPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (dialog,
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GTK_TYPE_FILE_CHOOSER_DIALOG,
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GtkFileChooserDialogPrivate);
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dialog->priv = priv;
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dialog->priv->default_width = -1;
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dialog->priv->default_height = -1;
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dialog->priv->resize_horizontally = TRUE;
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dialog->priv->resize_vertically = TRUE;
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gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
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/* We do a signal connection here rather than overriding the method in
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* class_init because GtkDialog::response is a RUN_LAST signal. We want *our*
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* handler to be run *first*, regardless of whether the user installs response
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* handlers of his own.
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*/
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g_signal_connect (dialog, "response",
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G_CALLBACK (response_cb), NULL);
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}
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static void
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gtk_file_chooser_dialog_finalize (GObject *object)
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{
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GtkFileChooserDialog *dialog = GTK_FILE_CHOOSER_DIALOG (object);
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g_free (dialog->priv->file_system);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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/* Callback used when the user activates a file in the file chooser widget */
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static void
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file_chooser_widget_file_activated (GtkFileChooser *chooser,
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GtkFileChooserDialog *dialog)
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{
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GList *children, *l;
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if (gtk_window_activate_default (GTK_WINDOW (dialog)))
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return;
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/* There probably isn't a default widget, so make things easier for the
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* programmer by looking for a reasonable button on our own.
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*/
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children = gtk_container_get_children (GTK_CONTAINER (GTK_DIALOG (dialog)->action_area));
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for (l = children; l; l = l->next)
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{
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GtkWidget *widget;
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int response_id;
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widget = GTK_WIDGET (l->data);
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response_id = _gtk_dialog_get_response_for_widget (GTK_DIALOG (dialog), widget);
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if (response_id == GTK_RESPONSE_ACCEPT
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|| response_id == GTK_RESPONSE_OK
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|| response_id == GTK_RESPONSE_YES
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|| response_id == GTK_RESPONSE_APPLY)
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{
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gtk_widget_activate (widget); /* Should we gtk_dialog_response (dialog, response_id) instead? */
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break;
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}
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}
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g_list_free (children);
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}
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static void
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file_chooser_widget_update_hints (GtkFileChooserDialog *dialog)
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{
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GtkFileChooserDialogPrivate *priv;
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GdkGeometry geometry;
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priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (dialog);
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geometry.min_width = -1;
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geometry.min_height = -1;
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geometry.max_width = (priv->resize_horizontally?G_MAXSHORT:-1);
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geometry.max_height = (priv->resize_vertically?G_MAXSHORT:-1);
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gtk_window_set_geometry_hints (GTK_WINDOW (dialog), NULL,
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&geometry,
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GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE);
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}
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static void
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clamp_to_screen (GtkWidget *widget,
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gint *width,
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gint *height)
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{
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GdkScreen *screen;
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int monitor_num;
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GdkRectangle monitor;
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g_return_if_fail (GTK_WIDGET_REALIZED (widget));
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screen = gtk_widget_get_screen (widget);
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monitor_num = gdk_screen_get_monitor_at_window (screen, widget->window);
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gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
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if (width)
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*width = MIN (*width, (monitor.width * 3) / 4);
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if (height)
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*height = MIN (*height, (monitor.height * 3) / 4);
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}
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static void
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file_chooser_widget_default_realized_size_changed (GtkWidget *widget,
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GtkFileChooserDialog *dialog)
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{
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GtkFileChooserDialogPrivate *priv;
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gint width;
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gint height;
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gint default_width, default_height;
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GtkRequisition req;
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gboolean resize_horizontally;
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gboolean resize_vertically;
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gboolean update_hints;
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gint dx = 0, dy = 0;
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gint cur_width, cur_height;
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priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (dialog);
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/* Force a size request of everything before we start. This will make sure
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* that widget->requisition is meaningful. */
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gtk_widget_size_request (GTK_WIDGET (dialog), &req);
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gtk_window_get_size (GTK_WINDOW (dialog), &cur_width, &cur_height);
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width = GTK_WIDGET (dialog)->requisition.width - priv->widget->requisition.width;
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height = GTK_WIDGET (dialog)->requisition.height - priv->widget->requisition.height;
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_gtk_file_chooser_embed_get_default_size (GTK_FILE_CHOOSER_EMBED (priv->widget),
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&default_width, &default_height);
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/* Ideal target size modulo any resizing */
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width = default_width + width;
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height = default_height + height;
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/* Now, we test for resizability */
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update_hints = FALSE;
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_gtk_file_chooser_embed_get_resizable_hints (GTK_FILE_CHOOSER_EMBED (priv->widget),
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&resize_horizontally,
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&resize_vertically);
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resize_vertically = (!! resize_vertically); /* normalize */
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resize_horizontally = (!! resize_horizontally);
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if (resize_horizontally && priv->resize_horizontally)
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{
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dx = default_width - priv->default_width;
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priv->default_width = default_width;
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}
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else if (resize_horizontally && ! priv->resize_horizontally)
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{
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/* We restore to the ideal size + any change in default_size (which is not
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* expected). It would be nicer to store the older size to restore to in
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* the future. */
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dx = default_width - priv->default_width;
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dx += width - cur_width;
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priv->default_width = default_width;
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update_hints = TRUE;
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}
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else
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{
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update_hints = TRUE;
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}
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if (resize_vertically && priv->resize_vertically)
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{
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dy = default_height - priv->default_height;
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priv->default_height = default_height;
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}
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else if (resize_vertically && ! priv->resize_vertically)
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{
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dy = default_height - priv->default_height;
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dy += height - cur_height;
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priv->default_height = default_height;
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update_hints = TRUE;
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}
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else
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{
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update_hints = TRUE;
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}
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priv->resize_horizontally = resize_horizontally;
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priv->resize_vertically = resize_vertically;
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if (dx != 0 || dy != 0)
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{
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gint new_width = cur_width + dx;
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gint new_height = cur_height + dy;
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clamp_to_screen (GTK_WIDGET (dialog), &new_width, &new_height);
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gtk_window_resize (GTK_WINDOW (dialog), new_width, new_height);
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}
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/* Only store the size if we can resize in that direction. */
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if (update_hints)
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file_chooser_widget_update_hints (dialog);
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}
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static void
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file_chooser_widget_default_unrealized_size_changed (GtkWidget *widget,
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GtkFileChooserDialog *dialog)
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{
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GtkFileChooserDialogPrivate *priv;
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GtkRequisition req;
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gint width, height;
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priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (dialog);
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gtk_widget_size_request (GTK_WIDGET (dialog), &req);
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_gtk_file_chooser_embed_get_resizable_hints (GTK_FILE_CHOOSER_EMBED (priv->widget),
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&(priv->resize_horizontally),
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&(priv->resize_vertically));
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_gtk_file_chooser_embed_get_default_size (GTK_FILE_CHOOSER_EMBED (priv->widget),
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&(priv->default_width), &(priv->default_height));
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/* Determine how much space the rest of the dialog uses compared to priv->widget */
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width = priv->default_width + GTK_WIDGET (dialog)->requisition.width - priv->widget->requisition.width;
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height = priv->default_height + GTK_WIDGET (dialog)->requisition.height - priv->widget->requisition.height;
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gtk_window_set_default_size (GTK_WINDOW (dialog), width, height);
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file_chooser_widget_update_hints (dialog);
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}
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static void
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file_chooser_widget_default_size_changed (GtkWidget *widget,
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GtkFileChooserDialog *dialog)
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{
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if (GTK_WIDGET_REALIZED (dialog))
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file_chooser_widget_default_realized_size_changed (widget, dialog);
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else
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file_chooser_widget_default_unrealized_size_changed (widget, dialog);
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}
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static GObject*
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gtk_file_chooser_dialog_constructor (GType type,
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guint n_construct_properties,
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GObjectConstructParam *construct_params)
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{
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GtkFileChooserDialogPrivate *priv;
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GObject *object;
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object = parent_class->constructor (type,
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n_construct_properties,
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construct_params);
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priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (object);
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gtk_widget_push_composite_child ();
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if (priv->file_system)
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priv->widget = g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET,
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"file-system-backend", priv->file_system,
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NULL);
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else
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priv->widget = g_object_new (GTK_TYPE_FILE_CHOOSER_WIDGET, NULL);
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g_signal_connect (priv->widget, "file-activated",
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G_CALLBACK (file_chooser_widget_file_activated), object);
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g_signal_connect (priv->widget, "default-size-changed",
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G_CALLBACK (file_chooser_widget_default_size_changed), object);
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gtk_box_pack_start (GTK_BOX (GTK_DIALOG (object)->vbox), priv->widget, TRUE, TRUE, 0);
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gtk_widget_show (priv->widget);
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_gtk_file_chooser_set_delegate (GTK_FILE_CHOOSER (object),
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GTK_FILE_CHOOSER (priv->widget));
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_gtk_file_chooser_embed_initial_focus (GTK_FILE_CHOOSER_EMBED (priv->widget));
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gtk_widget_pop_composite_child ();
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return object;
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}
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static void
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gtk_file_chooser_dialog_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkFileChooserDialogPrivate *priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (object);
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switch (prop_id)
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{
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case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM_BACKEND:
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g_free (priv->file_system);
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priv->file_system = g_value_dup_string (value);
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break;
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default:
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g_object_set_property (G_OBJECT (priv->widget), pspec->name, value);
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break;
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}
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}
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static void
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gtk_file_chooser_dialog_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkFileChooserDialogPrivate *priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (object);
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g_object_get_property (G_OBJECT (priv->widget), pspec->name, value);
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}
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#if 0
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static void
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set_default_size (GtkFileChooserDialog *dialog)
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{
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GtkWidget *widget;
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GtkWindow *window;
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int default_width, default_height;
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int width, height;
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int font_size;
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GdkScreen *screen;
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int monitor_num;
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GtkRequisition req;
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GdkRectangle monitor;
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widget = GTK_WIDGET (dialog);
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window = GTK_WINDOW (dialog);
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/* Size based on characters */
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font_size = pango_font_description_get_size (widget->style->font_desc);
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font_size = PANGO_PIXELS (font_size);
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width = font_size * NUM_CHARS;
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height = font_size * NUM_LINES;
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/* Use at least the requisition size... */
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gtk_widget_size_request (widget, &req);
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width = MAX (width, req.width);
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height = MAX (height, req.height);
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/* ... but no larger than the monitor */
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screen = gtk_widget_get_screen (widget);
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monitor_num = gdk_screen_get_monitor_at_window (screen, widget->window);
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gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
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width = MIN (width, monitor.width * 3 / 4);
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height = MIN (height, monitor.height * 3 / 4);
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/* Set size */
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gtk_window_get_default_size (window, &default_width, &default_height);
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gtk_window_set_default_size (window,
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(default_width == -1) ? width : default_width,
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(default_height == -1) ? height : default_height);
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}
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#endif
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static void
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gtk_file_chooser_dialog_style_set (GtkWidget *widget,
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GtkStyle *previous_style)
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{
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GtkDialog *dialog;
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|
|
if (GTK_WIDGET_CLASS (parent_class)->style_set)
|
|
GTK_WIDGET_CLASS (parent_class)->style_set (widget, previous_style);
|
|
|
|
dialog = GTK_DIALOG (widget);
|
|
|
|
/* Override the style properties with HIG-compliant spacings. Ugh.
|
|
* http://developer.gnome.org/projects/gup/hig/1.0/layout.html#layout-dialogs
|
|
* http://developer.gnome.org/projects/gup/hig/1.0/windows.html#alert-spacing
|
|
*/
|
|
|
|
gtk_container_set_border_width (GTK_CONTAINER (dialog->vbox), 12);
|
|
gtk_box_set_spacing (GTK_BOX (dialog->vbox), 24);
|
|
|
|
gtk_container_set_border_width (GTK_CONTAINER (dialog->action_area), 0);
|
|
gtk_box_set_spacing (GTK_BOX (dialog->action_area), 6);
|
|
}
|
|
|
|
/* GtkDialog::response handler */
|
|
static void
|
|
response_cb (GtkDialog *dialog,
|
|
gint response_id)
|
|
{
|
|
GtkFileChooserDialogPrivate *priv;
|
|
|
|
priv = GTK_FILE_CHOOSER_DIALOG_GET_PRIVATE (dialog);
|
|
|
|
/* Act only on response IDs we recognize */
|
|
if (!(response_id == GTK_RESPONSE_ACCEPT
|
|
|| response_id == GTK_RESPONSE_OK
|
|
|| response_id == GTK_RESPONSE_YES
|
|
|| response_id == GTK_RESPONSE_APPLY))
|
|
return;
|
|
|
|
if (!_gtk_file_chooser_embed_should_respond (GTK_FILE_CHOOSER_EMBED (priv->widget)))
|
|
g_signal_stop_emission_by_name (dialog, "response");
|
|
}
|
|
|
|
static GtkWidget *
|
|
gtk_file_chooser_dialog_new_valist (const gchar *title,
|
|
GtkWindow *parent,
|
|
GtkFileChooserAction action,
|
|
const gchar *backend,
|
|
const gchar *first_button_text,
|
|
va_list varargs)
|
|
{
|
|
GtkWidget *result;
|
|
const char *button_text = first_button_text;
|
|
gint response_id;
|
|
|
|
result = g_object_new (GTK_TYPE_FILE_CHOOSER_DIALOG,
|
|
"title", title,
|
|
"action", action,
|
|
"file-system-backend", backend,
|
|
NULL);
|
|
|
|
if (parent)
|
|
gtk_window_set_transient_for (GTK_WINDOW (result), parent);
|
|
|
|
while (button_text)
|
|
{
|
|
response_id = va_arg (varargs, gint);
|
|
gtk_dialog_add_button (GTK_DIALOG (result), button_text, response_id);
|
|
button_text = va_arg (varargs, const gchar *);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* gtk_file_chooser_dialog_new:
|
|
* @title: Title of the dialog, or %NULL
|
|
* @parent: Transient parent of the dialog, or %NULL
|
|
* @action: Open or save mode for the dialog
|
|
* @first_button_text: stock ID or text to go in the first button, or %NULL
|
|
* @Varargs: response ID for the first button, then additional (button, id) pairs, ending with %NULL
|
|
*
|
|
* Creates a new #GtkFileChooserDialog. This function is analogous to
|
|
* gtk_dialog_new_with_buttons().
|
|
*
|
|
* Return value: a new #GtkFileChooserDialog
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
GtkWidget *
|
|
gtk_file_chooser_dialog_new (const gchar *title,
|
|
GtkWindow *parent,
|
|
GtkFileChooserAction action,
|
|
const gchar *first_button_text,
|
|
...)
|
|
{
|
|
GtkWidget *result;
|
|
va_list varargs;
|
|
|
|
va_start (varargs, first_button_text);
|
|
result = gtk_file_chooser_dialog_new_valist (title, parent, action,
|
|
NULL, first_button_text,
|
|
varargs);
|
|
va_end (varargs);
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* gtk_file_chooser_dialog_new_with_backend:
|
|
* @title: Title of the dialog, or %NULL
|
|
* @parent: Transient parent of the dialog, or %NULL
|
|
* @backend: The name of the specific filesystem backend to use.
|
|
* @action: Open or save mode for the dialog
|
|
* @first_button_text: stock ID or text to go in the first button, or %NULL
|
|
* @Varargs: response ID for the first button, then additional (button, id) pairs, ending with %NULL
|
|
*
|
|
* Creates a new #GtkFileChooserDialog with a specified backend. This is
|
|
* especially useful if you use gtk_file_chooser_set_local_only() to allow
|
|
* non-local files and you use a more expressive vfs, such as gnome-vfs,
|
|
* to load files.
|
|
*
|
|
* Return value: a new #GtkFileChooserDialog
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
GtkWidget *
|
|
gtk_file_chooser_dialog_new_with_backend (const gchar *title,
|
|
GtkWindow *parent,
|
|
GtkFileChooserAction action,
|
|
const gchar *backend,
|
|
const gchar *first_button_text,
|
|
...)
|
|
{
|
|
GtkWidget *result;
|
|
va_list varargs;
|
|
|
|
va_start (varargs, first_button_text);
|
|
result = gtk_file_chooser_dialog_new_valist (title, parent, action,
|
|
backend, first_button_text,
|
|
varargs);
|
|
va_end (varargs);
|
|
|
|
return result;
|
|
}
|