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core: Add MetaCloseDialog

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This is an interface that can be used to implement the "application
is not responding" dialog. One instance is created per window, which
is initially hidden, and can be shown/hidden on demand.

https://bugzilla.gnome.org/show_bug.cgi?id=711619
This commit is contained in:
Carlos Garnacho 2016-07-11 13:07:46 +02:00
parent 24195d8d15
commit b47de58edd
3 changed files with 159 additions and 0 deletions
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3
src/Makefile.am
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@ -222,6 +222,8 @@ libmutter_@LIBMUTTER_API_VERSION@_la_SOURCES = \
core/constraints.c \
core/constraints.h \
core/core.c \
core/meta-close-dialog.c \
meta/meta-close-dialog.h \
core/delete.c \
core/display.c \
core/display-private.h \
@ -435,6 +437,7 @@ libmutterinclude_headers = \
meta/meta-background-actor.h \
meta/meta-background-image.h \
meta/meta-background-group.h \
meta/meta-close-dialog.h \
meta/meta-cursor-tracker.h \
meta/meta-dnd.h \
meta/meta-idle-monitor.h \

103
src/core/meta-close-dialog.c Normal file
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@ -0,0 +1,103 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2016 Red Hat
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Author: Carlos Garnacho <carlosg@gnome.org>
*/
#include "config.h"
#include "window-private.h"
#include "meta/meta-close-dialog.h"
#include "meta/meta-enum-types.h"
enum {
RESPONSE,
N_SIGNALS
};
guint dialog_signals[N_SIGNALS] = { 0 };
G_DEFINE_INTERFACE (MetaCloseDialog, meta_close_dialog, G_TYPE_OBJECT)
static void
meta_close_dialog_default_init (MetaCloseDialogInterface *iface)
{
g_object_interface_install_property (iface,
g_param_spec_object ("window",
"Window",
"Window",
META_TYPE_WINDOW,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
dialog_signals[RESPONSE] =
g_signal_new ("response",
G_TYPE_FROM_INTERFACE (iface),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 1, META_TYPE_CLOSE_DIALOG_RESPONSE);
}
/**
* meta_close_dialog_show:
* @dialog: a #MetaCloseDialog
*
* Shows the close dialog.
**/
void
meta_close_dialog_show (MetaCloseDialog *dialog)
{
MetaCloseDialogInterface *iface;
g_return_if_fail (META_IS_CLOSE_DIALOG (dialog));
iface = META_CLOSE_DIALOG_GET_IFACE (dialog);
iface->show (dialog);
}
/**
* meta_close_dialog_hide:
* @dialog: a #MetaCloseDialog
*
* Hides the close dialog.
**/
void
meta_close_dialog_hide (MetaCloseDialog *dialog)
{
MetaCloseDialogInterface *iface;
g_return_if_fail (META_IS_CLOSE_DIALOG (dialog));
iface = META_CLOSE_DIALOG_GET_IFACE (dialog);
iface->hide (dialog);
}
/**
* meta_close_dialog_response:
* @dialog: a #MetaCloseDialog
* @response: a #MetaCloseDialogResponse
*
* Responds and closes the dialog. To be called by #MetaCloseDialog
* implementations.
**/
void
meta_close_dialog_response (MetaCloseDialog *dialog,
MetaCloseDialogResponse response)
{
g_signal_emit (dialog, dialog_signals[RESPONSE], 0, response);
meta_close_dialog_hide (dialog);
}

53
src/meta/meta-close-dialog.h Normal file
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@ -0,0 +1,53 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2016 Red Hat
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Author: Carlos Garnacho <carlosg@gnome.org>
*/
#ifndef META_CLOSE_DIALOG_H
#define META_CLOSE_DIALOG_H
#include <glib-object.h>
#include <meta/window.h>
#define META_TYPE_CLOSE_DIALOG (meta_close_dialog_get_type ())
G_DECLARE_INTERFACE (MetaCloseDialog, meta_close_dialog,
META, CLOSE_DIALOG, GObject)
typedef enum
{
META_CLOSE_DIALOG_RESPONSE_WAIT,
META_CLOSE_DIALOG_RESPONSE_FORCE_CLOSE,
} MetaCloseDialogResponse;
struct _MetaCloseDialogInterface
{
GTypeInterface parent_iface;
void (* show) (MetaCloseDialog *dialog);
void (* hide) (MetaCloseDialog *dialog);
};
void meta_close_dialog_show (MetaCloseDialog *dialog);
void meta_close_dialog_hide (MetaCloseDialog *dialog);
void meta_close_dialog_response (MetaCloseDialog *dialog,
MetaCloseDialogResponse response);
#endif /* META_CLOSE_DIALOG_H */