gtk2/gdk/gdkapplaunchcontext.c

369 lines
11 KiB
C

/* gdkapplaunchcontext.c - Gtk+ implementation for GAppLaunchContext
Copyright (C) 2007 Red Hat, Inc.
The Gnome Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>.
Author: Alexander Larsson <alexl@redhat.com>
*/
#include "config.h"
#include "gdkapplaunchcontextprivate.h"
#include "gdkscreen.h"
#include "gdkintl.h"
/**
* SECTION:gdkapplaunchcontext
* @Short_description: Startup notification for applications
* @Title: Application launching
*
* GdkAppLaunchContext is an implementation of #GAppLaunchContext that
* handles launching an application in a graphical context. It provides
* startup notification and allows to launch applications on a specific
* screen or workspace.
* <example>
* <title>Launching an application</title>
* |[<!-- language="C" -->
* GdkAppLaunchContext *context;
*
* context = gdk_display_get_app_launch_context (display);
*
* gdk_app_launch_context_set_screen (screen);
* gdk_app_launch_context_set_timestamp (event->time);
*
* if (!g_app_info_launch_default_for_uri ("http://www.gtk.org", context, &error))
* g_warning ("Launching failed: %s\n", error->message);
*
* g_object_unref (context);
* ]|
* </example>
*/
static void gdk_app_launch_context_finalize (GObject *object);
static gchar * gdk_app_launch_context_get_display (GAppLaunchContext *context,
GAppInfo *info,
GList *files);
static gchar * gdk_app_launch_context_get_startup_notify_id (GAppLaunchContext *context,
GAppInfo *info,
GList *files);
static void gdk_app_launch_context_launch_failed (GAppLaunchContext *context,
const gchar *startup_notify_id);
enum
{
PROP_0,
PROP_DISPLAY
};
G_DEFINE_TYPE (GdkAppLaunchContext, gdk_app_launch_context, G_TYPE_APP_LAUNCH_CONTEXT)
static void
gdk_app_launch_context_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GdkAppLaunchContext *context = GDK_APP_LAUNCH_CONTEXT (object);
switch (prop_id)
{
case PROP_DISPLAY:
g_value_set_object (value, context->display);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gdk_app_launch_context_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GdkAppLaunchContext *context = GDK_APP_LAUNCH_CONTEXT (object);
switch (prop_id)
{
case PROP_DISPLAY:
context->display = g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gdk_app_launch_context_class_init (GdkAppLaunchContextClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GAppLaunchContextClass *context_class = G_APP_LAUNCH_CONTEXT_CLASS (klass);
gobject_class->set_property = gdk_app_launch_context_set_property,
gobject_class->get_property = gdk_app_launch_context_get_property;
gobject_class->finalize = gdk_app_launch_context_finalize;
context_class->get_display = gdk_app_launch_context_get_display;
context_class->get_startup_notify_id = gdk_app_launch_context_get_startup_notify_id;
context_class->launch_failed = gdk_app_launch_context_launch_failed;
g_object_class_install_property (gobject_class, PROP_DISPLAY,
g_param_spec_object ("display", P_("Display"), P_("Display"),
GDK_TYPE_DISPLAY,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
}
static void
gdk_app_launch_context_init (GdkAppLaunchContext *context)
{
context->workspace = -1;
}
static void
gdk_app_launch_context_finalize (GObject *object)
{
GdkAppLaunchContext *context = GDK_APP_LAUNCH_CONTEXT (object);
if (context->display)
g_object_unref (context->display);
if (context->screen)
g_object_unref (context->screen);
if (context->icon)
g_object_unref (context->icon);
g_free (context->icon_name);
G_OBJECT_CLASS (gdk_app_launch_context_parent_class)->finalize (object);
}
static gchar *
gdk_app_launch_context_get_display (GAppLaunchContext *context,
GAppInfo *info,
GList *files)
{
GdkAppLaunchContext *ctx = GDK_APP_LAUNCH_CONTEXT (context);
GdkDisplay *display;
if (ctx->screen)
return gdk_screen_make_display_name (ctx->screen);
if (ctx->display)
display = ctx->display;
else
display = gdk_display_get_default ();
return g_strdup (gdk_display_get_name (display));
}
/**
* gdk_app_launch_context_set_display:
* @context: a #GdkAppLaunchContext
* @display: a #GdkDisplay
*
* Sets the display on which applications will be launched when
* using this context. See also gdk_app_launch_context_set_screen().
*
* Since: 2.14
*
* Deprecated: 3.0: Use gdk_display_get_app_launch_context() instead
*/
void
gdk_app_launch_context_set_display (GdkAppLaunchContext *context,
GdkDisplay *display)
{
g_return_if_fail (GDK_IS_APP_LAUNCH_CONTEXT (context));
g_return_if_fail (display == NULL || GDK_IS_DISPLAY (display));
g_warn_if_fail (display == NULL || display == context->display);
}
/**
* gdk_app_launch_context_set_screen:
* @context: a #GdkAppLaunchContext
* @screen: a #GdkScreen
*
* Sets the screen on which applications will be launched when
* using this context. See also gdk_app_launch_context_set_display().
*
* If both @screen and @display are set, the @screen takes priority.
* If neither @screen or @display are set, the default screen and
* display are used.
*
* Since: 2.14
*/
void
gdk_app_launch_context_set_screen (GdkAppLaunchContext *context,
GdkScreen *screen)
{
g_return_if_fail (GDK_IS_APP_LAUNCH_CONTEXT (context));
g_return_if_fail (screen == NULL || GDK_IS_SCREEN (screen));
g_return_if_fail (screen == NULL || gdk_screen_get_display (screen) == context->display);
if (context->screen)
{
g_object_unref (context->screen);
context->screen = NULL;
}
if (screen)
context->screen = g_object_ref (screen);
}
/**
* gdk_app_launch_context_set_desktop:
* @context: a #GdkAppLaunchContext
* @desktop: the number of a workspace, or -1
*
* Sets the workspace on which applications will be launched when
* using this context when running under a window manager that
* supports multiple workspaces, as described in the
* <ulink url="http://www.freedesktop.org/Standards/wm-spec">Extended
* Window Manager Hints</ulink>.
*
* When the workspace is not specified or @desktop is set to -1,
* it is up to the window manager to pick one, typically it will
* be the current workspace.
*
* Since: 2.14
*/
void
gdk_app_launch_context_set_desktop (GdkAppLaunchContext *context,
gint desktop)
{
g_return_if_fail (GDK_IS_APP_LAUNCH_CONTEXT (context));
context->workspace = desktop;
}
/**
* gdk_app_launch_context_set_timestamp:
* @context: a #GdkAppLaunchContext
* @timestamp: a timestamp
*
* Sets the timestamp of @context. The timestamp should ideally
* be taken from the event that triggered the launch.
*
* Window managers can use this information to avoid moving the
* focus to the newly launched application when the user is busy
* typing in another window. This is also known as 'focus stealing
* prevention'.
*
* Since: 2.14
*/
void
gdk_app_launch_context_set_timestamp (GdkAppLaunchContext *context,
guint32 timestamp)
{
g_return_if_fail (GDK_IS_APP_LAUNCH_CONTEXT (context));
context->timestamp = timestamp;
}
/**
* gdk_app_launch_context_set_icon:
* @context: a #GdkAppLaunchContext
* @icon: (allow-none): a #GIcon, or %NULL
*
* Sets the icon for applications that are launched with this
* context.
*
* Window Managers can use this information when displaying startup
* notification.
*
* See also gdk_app_launch_context_set_icon_name().
*
* Since: 2.14
*/
void
gdk_app_launch_context_set_icon (GdkAppLaunchContext *context,
GIcon *icon)
{
g_return_if_fail (GDK_IS_APP_LAUNCH_CONTEXT (context));
g_return_if_fail (icon == NULL || G_IS_ICON (icon));
if (context->icon)
{
g_object_unref (context->icon);
context->icon = NULL;
}
if (icon)
context->icon = g_object_ref (icon);
}
/**
* gdk_app_launch_context_set_icon_name:
* @context: a #GdkAppLaunchContext
* @icon_name: (allow-none): an icon name, or %NULL
*
* Sets the icon for applications that are launched with this context.
* The @icon_name will be interpreted in the same way as the Icon field
* in desktop files. See also gdk_app_launch_context_set_icon().
*
* If both @icon and @icon_name are set, the @icon_name takes priority.
* If neither @icon or @icon_name is set, the icon is taken from either
* the file that is passed to launched application or from the #GAppInfo
* for the launched application itself.
*
* Since: 2.14
*/
void
gdk_app_launch_context_set_icon_name (GdkAppLaunchContext *context,
const char *icon_name)
{
g_return_if_fail (GDK_IS_APP_LAUNCH_CONTEXT (context));
g_free (context->icon_name);
context->icon_name = g_strdup (icon_name);
}
/**
* gdk_app_launch_context_new:
*
* Creates a new #GdkAppLaunchContext.
*
* Returns: a new #GdkAppLaunchContext
*
* Since: 2.14
*
* Deprecated: 3.0: Use gdk_display_get_app_launch_context() instead
*/
GdkAppLaunchContext *
gdk_app_launch_context_new (void)
{
return gdk_display_get_app_launch_context (gdk_display_get_default ());
}
static char *
gdk_app_launch_context_get_startup_notify_id (GAppLaunchContext *context,
GAppInfo *info,
GList *files)
{
return NULL;
}
static void
gdk_app_launch_context_launch_failed (GAppLaunchContext *context,
const gchar *startup_notify_id)
{
}