1440 lines
42 KiB
C
1440 lines
42 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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#include "config.h"
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#include <string.h>
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#include <glib/gi18n-lib.h>
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#include <meta/display.h>
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#include "shell-app-private.h"
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#include "shell-enum-types.h"
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#include "shell-global.h"
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#include "shell-util.h"
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#include "shell-app-system-private.h"
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#include "shell-window-tracker-private.h"
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#include "st.h"
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#include "gtkactionmuxer.h"
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#include "org-gtk-application.h"
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#ifdef HAVE_SYSTEMD
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#include <systemd/sd-journal.h>
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#include <errno.h>
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#include <unistd.h>
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#endif
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typedef enum {
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MATCH_NONE,
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MATCH_SUBSTRING, /* Not prefix, substring */
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MATCH_PREFIX, /* Strict prefix */
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} ShellAppSearchMatch;
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/* This is mainly a memory usage optimization - the user is going to
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* be running far fewer of the applications at one time than they have
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* installed. But it also just helps keep the code more logically
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* separated.
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*/
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typedef struct {
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guint refcount;
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/* Signal connection to dirty window sort list on workspace changes */
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guint workspace_switch_id;
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GSList *windows;
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guint interesting_windows;
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/* Whether or not we need to resort the windows; this is done on demand */
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guint window_sort_stale : 1;
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/* See GApplication documentation */
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GDBusMenuModel *remote_menu;
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GtkActionMuxer *muxer;
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char *unique_bus_name;
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GDBusConnection *session;
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/* GDBus Proxy for getting application busy state */
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ShellOrgGtkApplication *application_proxy;
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GCancellable *cancellable;
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} ShellAppRunningState;
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/**
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* SECTION:shell-app
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* @short_description: Object representing an application
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*
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* This object wraps a #GDesktopAppInfo, providing methods and signals
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* primarily useful for running applications.
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*/
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struct _ShellApp
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{
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GObject parent;
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int started_on_workspace;
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ShellAppState state;
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GDesktopAppInfo *info; /* If NULL, this app is backed by one or more
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* MetaWindow. For purposes of app title
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* etc., we use the first window added,
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* because it's most likely to be what we
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* want (e.g. it will be of TYPE_NORMAL from
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* the way shell-window-tracker.c works).
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*/
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ShellAppRunningState *running_state;
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char *window_id_string;
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char *name_collation_key;
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};
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enum {
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PROP_0,
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PROP_STATE,
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PROP_BUSY,
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PROP_ID,
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PROP_DBUS_ID,
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PROP_ACTION_GROUP,
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PROP_MENU
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};
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enum {
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WINDOWS_CHANGED,
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LAST_SIGNAL
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};
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static guint shell_app_signals[LAST_SIGNAL] = { 0 };
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static void create_running_state (ShellApp *app);
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static void unref_running_state (ShellAppRunningState *state);
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G_DEFINE_TYPE (ShellApp, shell_app, G_TYPE_OBJECT)
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static void
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shell_app_get_property (GObject *gobject,
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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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ShellApp *app = SHELL_APP (gobject);
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switch (prop_id)
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{
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case PROP_STATE:
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g_value_set_enum (value, app->state);
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break;
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case PROP_BUSY:
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g_value_set_boolean (value, shell_app_get_busy (app));
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break;
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case PROP_ID:
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g_value_set_string (value, shell_app_get_id (app));
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break;
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case PROP_ACTION_GROUP:
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if (app->running_state)
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g_value_set_object (value, app->running_state->muxer);
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break;
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case PROP_MENU:
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if (app->running_state)
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g_value_set_object (value, app->running_state->remote_menu);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
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break;
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}
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}
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const char *
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shell_app_get_id (ShellApp *app)
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{
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if (app->info)
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return g_app_info_get_id (G_APP_INFO (app->info));
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return app->window_id_string;
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}
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static MetaWindow *
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window_backed_app_get_window (ShellApp *app)
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{
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g_assert (app->info == NULL);
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g_assert (app->running_state);
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g_assert (app->running_state->windows);
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return app->running_state->windows->data;
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}
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static ClutterActor *
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window_backed_app_get_icon (ShellApp *app,
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int size)
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{
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MetaWindow *window;
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ClutterActor *actor;
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gint scale;
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ShellGlobal *global;
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StThemeContext *context;
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global = shell_global_get ();
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context = st_theme_context_get_for_stage (shell_global_get_stage (global));
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g_object_get (context, "scale-factor", &scale, NULL);
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size *= scale;
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/* During a state transition from running to not-running for
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* window-backend apps, it's possible we get a request for the icon.
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* Avoid asserting here and just return an empty image.
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*/
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if (app->running_state == NULL)
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{
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actor = clutter_texture_new ();
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g_object_set (actor, "opacity", 0, "width", (float) size, "height", (float) size, NULL);
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return actor;
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}
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window = window_backed_app_get_window (app);
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actor = st_texture_cache_bind_cairo_surface_property (st_texture_cache_get_default (),
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G_OBJECT (window),
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"icon");
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g_object_set (actor, "width", (float) size, "height", (float) size, NULL);
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return actor;
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}
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/**
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* shell_app_create_icon_texture:
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*
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* Look up the icon for this application, and create a #ClutterTexture
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* for it at the given size.
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*
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* Return value: (transfer none): A floating #ClutterActor
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*/
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ClutterActor *
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shell_app_create_icon_texture (ShellApp *app,
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int size)
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{
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GIcon *icon;
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ClutterActor *ret;
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if (app->info == NULL)
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return window_backed_app_get_icon (app, size);
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ret = st_icon_new ();
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st_icon_set_icon_size (ST_ICON (ret), size);
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icon = g_app_info_get_icon (G_APP_INFO (app->info));
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if (icon != NULL)
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{
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st_icon_set_gicon (ST_ICON (ret), icon);
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}
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else
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{
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icon = g_themed_icon_new ("application-x-executable");
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st_icon_set_gicon (ST_ICON (ret), icon);
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g_object_unref (icon);
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}
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return ret;
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}
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const char *
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shell_app_get_name (ShellApp *app)
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{
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if (app->info)
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return g_app_info_get_name (G_APP_INFO (app->info));
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else
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{
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MetaWindow *window = window_backed_app_get_window (app);
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const char *name;
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name = meta_window_get_wm_class (window);
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if (!name)
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name = C_("program", "Unknown");
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return name;
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}
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}
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const char *
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shell_app_get_description (ShellApp *app)
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{
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if (app->info)
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return g_app_info_get_description (G_APP_INFO (app->info));
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else
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return NULL;
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}
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/**
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* shell_app_is_window_backed:
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*
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* A window backed application is one which represents just an open
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* window, i.e. there's no .desktop file assocation, so we don't know
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* how to launch it again.
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*/
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gboolean
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shell_app_is_window_backed (ShellApp *app)
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{
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return app->info == NULL;
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}
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typedef struct {
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MetaWorkspace *workspace;
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GSList **transients;
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} CollectTransientsData;
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static gboolean
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collect_transients_on_workspace (MetaWindow *window,
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gpointer datap)
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{
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CollectTransientsData *data = datap;
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if (data->workspace && meta_window_get_workspace (window) != data->workspace)
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return TRUE;
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*data->transients = g_slist_prepend (*data->transients, window);
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return TRUE;
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}
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/* The basic idea here is that when we're targeting a window,
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* if it has transients we want to pick the most recent one
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* the user interacted with.
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* This function makes raising GEdit with the file chooser
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* open work correctly.
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*/
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static MetaWindow *
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find_most_recent_transient_on_same_workspace (MetaDisplay *display,
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MetaWindow *reference)
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{
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GSList *transients, *transients_sorted, *iter;
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MetaWindow *result;
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CollectTransientsData data;
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transients = NULL;
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data.workspace = meta_window_get_workspace (reference);
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data.transients = &transients;
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meta_window_foreach_transient (reference, collect_transients_on_workspace, &data);
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transients_sorted = meta_display_sort_windows_by_stacking (display, transients);
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/* Reverse this so we're top-to-bottom (yes, we should probably change the order
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* returned from the sort_windows_by_stacking function)
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*/
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transients_sorted = g_slist_reverse (transients_sorted);
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g_slist_free (transients);
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transients = NULL;
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result = NULL;
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for (iter = transients_sorted; iter; iter = iter->next)
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{
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MetaWindow *window = iter->data;
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MetaWindowType wintype = meta_window_get_window_type (window);
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/* Don't want to focus UTILITY types, like the Gimp toolbars */
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if (wintype == META_WINDOW_NORMAL ||
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wintype == META_WINDOW_DIALOG)
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{
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result = window;
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break;
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}
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}
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g_slist_free (transients_sorted);
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return result;
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}
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/**
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* shell_app_activate_window:
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* @app: a #ShellApp
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* @window: (nullable): Window to be focused
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* @timestamp: Event timestamp
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*
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* Bring all windows for the given app to the foreground,
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* but ensure that @window is on top. If @window is %NULL,
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* the window with the most recent user time for the app
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* will be used.
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*
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* This function has no effect if @app is not currently running.
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*/
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void
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shell_app_activate_window (ShellApp *app,
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MetaWindow *window,
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guint32 timestamp)
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{
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GSList *windows;
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if (shell_app_get_state (app) != SHELL_APP_STATE_RUNNING)
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return;
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windows = shell_app_get_windows (app);
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if (window == NULL && windows)
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window = windows->data;
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if (!g_slist_find (windows, window))
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return;
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else
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{
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GSList *windows_reversed, *iter;
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ShellGlobal *global = shell_global_get ();
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MetaScreen *screen = shell_global_get_screen (global);
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MetaDisplay *display = meta_screen_get_display (screen);
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MetaWorkspace *active = meta_screen_get_active_workspace (screen);
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MetaWorkspace *workspace = meta_window_get_workspace (window);
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guint32 last_user_timestamp = meta_display_get_last_user_time (display);
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MetaWindow *most_recent_transient;
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if (meta_display_xserver_time_is_before (display, timestamp, last_user_timestamp))
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{
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meta_window_set_demands_attention (window);
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return;
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}
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/* Now raise all the other windows for the app that are on
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* the same workspace, in reverse order to preserve the stacking.
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*/
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windows_reversed = g_slist_copy (windows);
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windows_reversed = g_slist_reverse (windows_reversed);
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for (iter = windows_reversed; iter; iter = iter->next)
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{
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MetaWindow *other_window = iter->data;
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if (other_window != window && meta_window_get_workspace (other_window) == workspace)
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meta_window_raise (other_window);
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}
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g_slist_free (windows_reversed);
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/* If we have a transient that the user's interacted with more recently than
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* the window, pick that.
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*/
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most_recent_transient = find_most_recent_transient_on_same_workspace (display, window);
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if (most_recent_transient
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&& meta_display_xserver_time_is_before (display,
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meta_window_get_user_time (window),
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meta_window_get_user_time (most_recent_transient)))
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window = most_recent_transient;
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if (active != workspace)
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meta_workspace_activate_with_focus (workspace, window, timestamp);
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else
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meta_window_activate (window, timestamp);
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}
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}
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void
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shell_app_update_window_actions (ShellApp *app, MetaWindow *window)
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{
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const char *object_path;
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object_path = meta_window_get_gtk_window_object_path (window);
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if (object_path != NULL)
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{
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GActionGroup *actions;
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actions = g_object_get_data (G_OBJECT (window), "actions");
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if (actions == NULL)
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{
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actions = G_ACTION_GROUP (g_dbus_action_group_get (app->running_state->session,
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meta_window_get_gtk_unique_bus_name (window),
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object_path));
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g_object_set_data_full (G_OBJECT (window), "actions", actions, g_object_unref);
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}
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g_assert (app->running_state->muxer);
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gtk_action_muxer_insert (app->running_state->muxer, "win", actions);
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g_object_notify (G_OBJECT (app), "action-group");
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}
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}
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/**
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* shell_app_activate:
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* @app: a #ShellApp
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*
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* Like shell_app_activate_full(), but using the default workspace and
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* event timestamp.
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*/
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void
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shell_app_activate (ShellApp *app)
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{
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return shell_app_activate_full (app, -1, 0);
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}
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/**
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* shell_app_activate_full:
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* @app: a #ShellApp
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* @workspace: launch on this workspace, or -1 for default. Ignored if
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* activating an existing window
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* @timestamp: Event timestamp
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*
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* Perform an appropriate default action for operating on this application,
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* dependent on its current state. For example, if the application is not
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* currently running, launch it. If it is running, activate the most
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* recently used NORMAL window (or if that window has a transient, the most
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* recently used transient for that window).
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*/
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void
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shell_app_activate_full (ShellApp *app,
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int workspace,
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guint32 timestamp)
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{
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ShellGlobal *global;
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global = shell_global_get ();
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if (timestamp == 0)
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timestamp = shell_global_get_current_time (global);
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switch (app->state)
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{
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case SHELL_APP_STATE_STOPPED:
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{
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GError *error = NULL;
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if (!shell_app_launch (app, timestamp, workspace, &error))
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{
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char *msg;
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msg = g_strdup_printf (_("Failed to launch “%s”"), shell_app_get_name (app));
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shell_global_notify_error (global,
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msg,
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error->message);
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g_free (msg);
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g_clear_error (&error);
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}
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}
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break;
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case SHELL_APP_STATE_STARTING:
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break;
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case SHELL_APP_STATE_RUNNING:
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shell_app_activate_window (app, NULL, timestamp);
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break;
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}
|
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}
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|
|
/**
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|
* shell_app_open_new_window:
|
|
* @app: a #ShellApp
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* @workspace: open on this workspace, or -1 for default
|
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*
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* Request that the application create a new window.
|
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*/
|
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void
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shell_app_open_new_window (ShellApp *app,
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int workspace)
|
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{
|
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g_return_if_fail (app->info != NULL);
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|
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/* Here we just always launch the application again, even if we know
|
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* it was already running. For most applications this
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* should have the effect of creating a new window, whether that's
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* a second process (in the case of Calculator) or IPC to existing
|
|
* instance (Firefox). There are a few less-sensical cases such
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* as say Pidgin. Ideally, we have the application express to us
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* that it supports an explicit new-window action.
|
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*/
|
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shell_app_launch (app, 0, workspace, NULL);
|
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}
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|
|
/**
|
|
* shell_app_can_open_new_window:
|
|
* @app: a #ShellApp
|
|
*
|
|
* Returns %TRUE if the app supports opening a new window through
|
|
* shell_app_open_new_window() (ie, if calling that function will
|
|
* result in actually opening a new window and not something else,
|
|
* like presenting the most recently active one)
|
|
*/
|
|
gboolean
|
|
shell_app_can_open_new_window (ShellApp *app)
|
|
{
|
|
ShellAppRunningState *state;
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|
|
/* Apps that are not running can always open new windows, because
|
|
activating them would open the first one */
|
|
if (!app->running_state)
|
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return TRUE;
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|
|
state = app->running_state;
|
|
|
|
/* If the app has an explicit new-window action, then it can
|
|
|
|
(or it should be able to - we don't actually call the action
|
|
because we need to trigger startup notification, so it still
|
|
depends on what the app decides to do for Activate vs ActivateAction)
|
|
*/
|
|
if (g_action_group_has_action (G_ACTION_GROUP (state->muxer), "app.new-window"))
|
|
return TRUE;
|
|
|
|
/* If the app doesn't have a desktop file, then nothing is possible */
|
|
if (!app->info)
|
|
return FALSE;
|
|
|
|
/* If the app is explicitly telling us, then we know for sure */
|
|
if (g_desktop_app_info_has_key (G_DESKTOP_APP_INFO (app->info),
|
|
"X-GNOME-SingleWindow"))
|
|
return !g_desktop_app_info_get_boolean (G_DESKTOP_APP_INFO (app->info),
|
|
"X-GNOME-SingleWindow");
|
|
|
|
/* If this is a unique GtkApplication, and we don't have a new-window, then
|
|
probably we can't
|
|
|
|
We don't consider non-unique GtkApplications here to handle cases like
|
|
evince, which don't export a new-window action because each window is in
|
|
a different process. In any case, in a non-unique GtkApplication each
|
|
Activate() knows nothing about the other instances, so it will show a
|
|
new window.
|
|
*/
|
|
if (state->remote_menu)
|
|
{
|
|
const char *application_id;
|
|
application_id = meta_window_get_gtk_application_id (state->windows->data);
|
|
if (application_id != NULL)
|
|
return FALSE;
|
|
else
|
|
return TRUE;
|
|
}
|
|
|
|
/* In all other cases, we don't have a reliable source of information
|
|
or a decent heuristic, so we err on the compatibility side and say
|
|
yes.
|
|
*/
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* shell_app_get_state:
|
|
* @app: a #ShellApp
|
|
*
|
|
* Returns: State of the application
|
|
*/
|
|
ShellAppState
|
|
shell_app_get_state (ShellApp *app)
|
|
{
|
|
return app->state;
|
|
}
|
|
|
|
typedef struct {
|
|
ShellApp *app;
|
|
MetaWorkspace *active_workspace;
|
|
} CompareWindowsData;
|
|
|
|
static int
|
|
shell_app_compare_windows (gconstpointer a,
|
|
gconstpointer b,
|
|
gpointer datap)
|
|
{
|
|
MetaWindow *win_a = (gpointer)a;
|
|
MetaWindow *win_b = (gpointer)b;
|
|
CompareWindowsData *data = datap;
|
|
gboolean ws_a, ws_b;
|
|
gboolean vis_a, vis_b;
|
|
|
|
ws_a = meta_window_get_workspace (win_a) == data->active_workspace;
|
|
ws_b = meta_window_get_workspace (win_b) == data->active_workspace;
|
|
|
|
if (ws_a && !ws_b)
|
|
return -1;
|
|
else if (!ws_a && ws_b)
|
|
return 1;
|
|
|
|
vis_a = meta_window_showing_on_its_workspace (win_a);
|
|
vis_b = meta_window_showing_on_its_workspace (win_b);
|
|
|
|
if (vis_a && !vis_b)
|
|
return -1;
|
|
else if (!vis_a && vis_b)
|
|
return 1;
|
|
|
|
return meta_window_get_user_time (win_b) - meta_window_get_user_time (win_a);
|
|
}
|
|
|
|
/**
|
|
* shell_app_get_windows:
|
|
* @app:
|
|
*
|
|
* Get the windows which are associated with this application. The
|
|
* returned list will be sorted first by whether they're on the
|
|
* active workspace, then by whether they're visible, and finally
|
|
* by the time the user last interacted with them.
|
|
*
|
|
* Returns: (transfer none) (element-type MetaWindow): List of windows
|
|
*/
|
|
GSList *
|
|
shell_app_get_windows (ShellApp *app)
|
|
{
|
|
if (app->running_state == NULL)
|
|
return NULL;
|
|
|
|
if (app->running_state->window_sort_stale)
|
|
{
|
|
CompareWindowsData data;
|
|
data.app = app;
|
|
data.active_workspace = meta_screen_get_active_workspace (shell_global_get_screen (shell_global_get ()));
|
|
app->running_state->windows = g_slist_sort_with_data (app->running_state->windows, shell_app_compare_windows, &data);
|
|
app->running_state->window_sort_stale = FALSE;
|
|
}
|
|
|
|
return app->running_state->windows;
|
|
}
|
|
|
|
guint
|
|
shell_app_get_n_windows (ShellApp *app)
|
|
{
|
|
if (app->running_state == NULL)
|
|
return 0;
|
|
return g_slist_length (app->running_state->windows);
|
|
}
|
|
|
|
gboolean
|
|
shell_app_is_on_workspace (ShellApp *app,
|
|
MetaWorkspace *workspace)
|
|
{
|
|
GSList *iter;
|
|
|
|
if (shell_app_get_state (app) == SHELL_APP_STATE_STARTING)
|
|
{
|
|
if (app->started_on_workspace == -1 ||
|
|
meta_workspace_index (workspace) == app->started_on_workspace)
|
|
return TRUE;
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
if (app->running_state == NULL)
|
|
return FALSE;
|
|
|
|
for (iter = app->running_state->windows; iter; iter = iter->next)
|
|
{
|
|
if (meta_window_get_workspace (iter->data) == workspace)
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static int
|
|
shell_app_get_last_user_time (ShellApp *app)
|
|
{
|
|
GSList *iter;
|
|
int last_user_time;
|
|
|
|
last_user_time = 0;
|
|
|
|
if (app->running_state != NULL)
|
|
{
|
|
for (iter = app->running_state->windows; iter; iter = iter->next)
|
|
last_user_time = MAX (last_user_time, meta_window_get_user_time (iter->data));
|
|
}
|
|
|
|
return last_user_time;
|
|
}
|
|
|
|
/**
|
|
* shell_app_compare:
|
|
* @app:
|
|
* @other: A #ShellApp
|
|
*
|
|
* Compare one #ShellApp instance to another, in the following way:
|
|
* - Running applications sort before not-running applications.
|
|
* - The application which the user interacted with most recently
|
|
* compares earlier.
|
|
*/
|
|
int
|
|
shell_app_compare (ShellApp *app,
|
|
ShellApp *other)
|
|
{
|
|
if (app->state != other->state)
|
|
{
|
|
if (app->state == SHELL_APP_STATE_RUNNING)
|
|
return -1;
|
|
return 1;
|
|
}
|
|
|
|
if (app->state == SHELL_APP_STATE_RUNNING)
|
|
{
|
|
if (app->running_state->windows && !other->running_state->windows)
|
|
return -1;
|
|
else if (!app->running_state->windows && other->running_state->windows)
|
|
return 1;
|
|
|
|
return shell_app_get_last_user_time (other) - shell_app_get_last_user_time (app);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
ShellApp *
|
|
_shell_app_new_for_window (MetaWindow *window)
|
|
{
|
|
ShellApp *app;
|
|
|
|
app = g_object_new (SHELL_TYPE_APP, NULL);
|
|
|
|
app->window_id_string = g_strdup_printf ("window:%d", meta_window_get_stable_sequence (window));
|
|
|
|
_shell_app_add_window (app, window);
|
|
|
|
return app;
|
|
}
|
|
|
|
ShellApp *
|
|
_shell_app_new (GDesktopAppInfo *info)
|
|
{
|
|
ShellApp *app;
|
|
|
|
app = g_object_new (SHELL_TYPE_APP, NULL);
|
|
|
|
_shell_app_set_app_info (app, info);
|
|
|
|
return app;
|
|
}
|
|
|
|
void
|
|
_shell_app_set_app_info (ShellApp *app,
|
|
GDesktopAppInfo *info)
|
|
{
|
|
g_clear_object (&app->info);
|
|
app->info = g_object_ref (info);
|
|
|
|
if (app->name_collation_key != NULL)
|
|
g_free (app->name_collation_key);
|
|
app->name_collation_key = g_utf8_collate_key (shell_app_get_name (app), -1);
|
|
}
|
|
|
|
static void
|
|
shell_app_state_transition (ShellApp *app,
|
|
ShellAppState state)
|
|
{
|
|
if (app->state == state)
|
|
return;
|
|
g_return_if_fail (!(app->state == SHELL_APP_STATE_RUNNING &&
|
|
state == SHELL_APP_STATE_STARTING));
|
|
app->state = state;
|
|
|
|
_shell_app_system_notify_app_state_changed (shell_app_system_get_default (), app);
|
|
|
|
g_object_notify (G_OBJECT (app), "state");
|
|
}
|
|
|
|
static void
|
|
shell_app_on_unmanaged (MetaWindow *window,
|
|
ShellApp *app)
|
|
{
|
|
_shell_app_remove_window (app, window);
|
|
}
|
|
|
|
static void
|
|
shell_app_on_user_time_changed (MetaWindow *window,
|
|
GParamSpec *pspec,
|
|
ShellApp *app)
|
|
{
|
|
g_assert (app->running_state != NULL);
|
|
|
|
/* Ideally we don't want to emit windows-changed if the sort order
|
|
* isn't actually changing. This check catches most of those.
|
|
*/
|
|
if (window != app->running_state->windows->data)
|
|
{
|
|
app->running_state->window_sort_stale = TRUE;
|
|
g_signal_emit (app, shell_app_signals[WINDOWS_CHANGED], 0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
shell_app_sync_running_state (ShellApp *app)
|
|
{
|
|
g_return_if_fail (app->running_state != NULL);
|
|
|
|
if (app->running_state->interesting_windows == 0)
|
|
shell_app_state_transition (app, SHELL_APP_STATE_STOPPED);
|
|
else if (app->state != SHELL_APP_STATE_STARTING)
|
|
shell_app_state_transition (app, SHELL_APP_STATE_RUNNING);
|
|
}
|
|
|
|
|
|
static void
|
|
shell_app_on_skip_taskbar_changed (MetaWindow *window,
|
|
GParamSpec *pspec,
|
|
ShellApp *app)
|
|
{
|
|
g_assert (app->running_state != NULL);
|
|
|
|
/* we rely on MetaWindow:skip-taskbar only being notified
|
|
* when it actually changes; when that assumption breaks,
|
|
* we'll have to track the "interesting" windows themselves
|
|
*/
|
|
if (meta_window_is_skip_taskbar (window))
|
|
app->running_state->interesting_windows--;
|
|
else
|
|
app->running_state->interesting_windows++;
|
|
|
|
shell_app_sync_running_state (app);
|
|
}
|
|
|
|
static void
|
|
shell_app_on_ws_switch (MetaScreen *screen,
|
|
int from,
|
|
int to,
|
|
MetaMotionDirection direction,
|
|
gpointer data)
|
|
{
|
|
ShellApp *app = SHELL_APP (data);
|
|
|
|
g_assert (app->running_state != NULL);
|
|
|
|
app->running_state->window_sort_stale = TRUE;
|
|
|
|
g_signal_emit (app, shell_app_signals[WINDOWS_CHANGED], 0);
|
|
}
|
|
|
|
gboolean
|
|
shell_app_get_busy (ShellApp *app)
|
|
{
|
|
if (app->running_state != NULL &&
|
|
app->running_state->application_proxy != NULL &&
|
|
shell_org_gtk_application_get_busy (app->running_state->application_proxy))
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
busy_changed_cb (GObject *object,
|
|
GParamSpec *pspec,
|
|
gpointer user_data)
|
|
{
|
|
ShellApp *app = user_data;
|
|
|
|
g_assert (SHELL_IS_APP (app));
|
|
|
|
g_object_notify (G_OBJECT (app), "busy");
|
|
}
|
|
|
|
static void
|
|
get_application_proxy (GObject *source,
|
|
GAsyncResult *result,
|
|
gpointer user_data)
|
|
{
|
|
ShellApp *app = user_data;
|
|
ShellOrgGtkApplication *proxy;
|
|
|
|
g_assert (SHELL_IS_APP (app));
|
|
|
|
proxy = shell_org_gtk_application_proxy_new_finish (result, NULL);
|
|
if (proxy != NULL)
|
|
{
|
|
app->running_state->application_proxy = proxy;
|
|
g_signal_connect (proxy,
|
|
"notify::busy",
|
|
G_CALLBACK (busy_changed_cb),
|
|
app);
|
|
if (shell_org_gtk_application_get_busy (proxy))
|
|
g_object_notify (G_OBJECT (app), "busy");
|
|
}
|
|
|
|
if (app->running_state != NULL)
|
|
g_clear_object (&app->running_state->cancellable);
|
|
|
|
g_object_unref (app);
|
|
}
|
|
|
|
static void
|
|
shell_app_ensure_busy_watch (ShellApp *app)
|
|
{
|
|
ShellAppRunningState *running_state = app->running_state;
|
|
MetaWindow *window;
|
|
const gchar *object_path;
|
|
|
|
if (running_state->application_proxy != NULL ||
|
|
running_state->cancellable != NULL)
|
|
return;
|
|
|
|
if (running_state->unique_bus_name == NULL)
|
|
return;
|
|
|
|
window = g_slist_nth_data (running_state->windows, 0);
|
|
object_path = meta_window_get_gtk_application_object_path (window);
|
|
|
|
if (object_path == NULL)
|
|
return;
|
|
|
|
running_state->cancellable = g_cancellable_new();
|
|
/* Take a reference to app to make sure it isn't finalized before
|
|
get_application_proxy runs */
|
|
shell_org_gtk_application_proxy_new (running_state->session,
|
|
G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
|
|
running_state->unique_bus_name,
|
|
object_path,
|
|
running_state->cancellable,
|
|
get_application_proxy,
|
|
g_object_ref (app));
|
|
}
|
|
|
|
void
|
|
_shell_app_add_window (ShellApp *app,
|
|
MetaWindow *window)
|
|
{
|
|
if (app->running_state && g_slist_find (app->running_state->windows, window))
|
|
return;
|
|
|
|
g_object_freeze_notify (G_OBJECT (app));
|
|
|
|
if (!app->running_state)
|
|
create_running_state (app);
|
|
|
|
app->running_state->window_sort_stale = TRUE;
|
|
app->running_state->windows = g_slist_prepend (app->running_state->windows, g_object_ref (window));
|
|
g_signal_connect (window, "unmanaged", G_CALLBACK(shell_app_on_unmanaged), app);
|
|
g_signal_connect (window, "notify::user-time", G_CALLBACK(shell_app_on_user_time_changed), app);
|
|
g_signal_connect (window, "notify::skip-taskbar", G_CALLBACK(shell_app_on_skip_taskbar_changed), app);
|
|
|
|
shell_app_update_app_menu (app, window);
|
|
shell_app_ensure_busy_watch (app);
|
|
|
|
if (!meta_window_is_skip_taskbar (window))
|
|
app->running_state->interesting_windows++;
|
|
shell_app_sync_running_state (app);
|
|
|
|
g_object_thaw_notify (G_OBJECT (app));
|
|
|
|
g_signal_emit (app, shell_app_signals[WINDOWS_CHANGED], 0);
|
|
}
|
|
|
|
void
|
|
_shell_app_remove_window (ShellApp *app,
|
|
MetaWindow *window)
|
|
{
|
|
g_assert (app->running_state != NULL);
|
|
|
|
if (!g_slist_find (app->running_state->windows, window))
|
|
return;
|
|
|
|
g_signal_handlers_disconnect_by_func (window, G_CALLBACK(shell_app_on_unmanaged), app);
|
|
g_signal_handlers_disconnect_by_func (window, G_CALLBACK(shell_app_on_user_time_changed), app);
|
|
g_signal_handlers_disconnect_by_func (window, G_CALLBACK(shell_app_on_skip_taskbar_changed), app);
|
|
g_object_unref (window);
|
|
app->running_state->windows = g_slist_remove (app->running_state->windows, window);
|
|
|
|
if (!meta_window_is_skip_taskbar (window))
|
|
app->running_state->interesting_windows--;
|
|
shell_app_sync_running_state (app);
|
|
|
|
if (app->running_state && app->running_state->windows == NULL)
|
|
g_clear_pointer (&app->running_state, unref_running_state);
|
|
|
|
g_signal_emit (app, shell_app_signals[WINDOWS_CHANGED], 0);
|
|
}
|
|
|
|
/**
|
|
* shell_app_get_pids:
|
|
* @app: a #ShellApp
|
|
*
|
|
* Returns: (transfer container) (element-type int): An unordered list of process identifers associated with this application.
|
|
*/
|
|
GSList *
|
|
shell_app_get_pids (ShellApp *app)
|
|
{
|
|
GSList *result;
|
|
GSList *iter;
|
|
|
|
result = NULL;
|
|
for (iter = shell_app_get_windows (app); iter; iter = iter->next)
|
|
{
|
|
MetaWindow *window = iter->data;
|
|
int pid = meta_window_get_pid (window);
|
|
/* Note in the (by far) common case, app will only have one pid, so
|
|
* we'll hit the first element, so don't worry about O(N^2) here.
|
|
*/
|
|
if (!g_slist_find (result, GINT_TO_POINTER (pid)))
|
|
result = g_slist_prepend (result, GINT_TO_POINTER (pid));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void
|
|
_shell_app_handle_startup_sequence (ShellApp *app,
|
|
SnStartupSequence *sequence)
|
|
{
|
|
gboolean starting = !sn_startup_sequence_get_completed (sequence);
|
|
|
|
/* The Shell design calls for on application launch, the app title
|
|
* appears at top, and no X window is focused. So when we get
|
|
* a startup-notification for this app, transition it to STARTING
|
|
* if it's currently stopped, set it as our application focus,
|
|
* but focus the no_focus window.
|
|
*/
|
|
if (starting && shell_app_get_state (app) == SHELL_APP_STATE_STOPPED)
|
|
{
|
|
MetaScreen *screen = shell_global_get_screen (shell_global_get ());
|
|
MetaDisplay *display = meta_screen_get_display (screen);
|
|
|
|
shell_app_state_transition (app, SHELL_APP_STATE_STARTING);
|
|
meta_display_focus_the_no_focus_window (display, screen,
|
|
sn_startup_sequence_get_timestamp (sequence));
|
|
app->started_on_workspace = sn_startup_sequence_get_workspace (sequence);
|
|
}
|
|
|
|
if (!starting)
|
|
{
|
|
if (app->running_state && app->running_state->windows)
|
|
shell_app_state_transition (app, SHELL_APP_STATE_RUNNING);
|
|
else /* application have > 1 .desktop file */
|
|
shell_app_state_transition (app, SHELL_APP_STATE_STOPPED);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* shell_app_request_quit:
|
|
* @app: A #ShellApp
|
|
*
|
|
* Initiate an asynchronous request to quit this application.
|
|
* The application may interact with the user, and the user
|
|
* might cancel the quit request from the application UI.
|
|
*
|
|
* This operation may not be supported for all applications.
|
|
*
|
|
* Returns: %TRUE if a quit request is supported for this application
|
|
*/
|
|
gboolean
|
|
shell_app_request_quit (ShellApp *app)
|
|
{
|
|
GSList *iter;
|
|
|
|
if (shell_app_get_state (app) != SHELL_APP_STATE_RUNNING)
|
|
return FALSE;
|
|
|
|
/* TODO - check for an XSMP connection; we could probably use that */
|
|
|
|
for (iter = app->running_state->windows; iter; iter = iter->next)
|
|
{
|
|
MetaWindow *win = iter->data;
|
|
|
|
if (meta_window_is_skip_taskbar (win))
|
|
continue;
|
|
|
|
meta_window_delete (win, shell_global_get_current_time (shell_global_get ()));
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
#ifdef HAVE_SYSTEMD
|
|
/* This sets up the launched application to log to the journal
|
|
* using its own identifier, instead of just "gnome-session".
|
|
*/
|
|
static void
|
|
app_child_setup (gpointer user_data)
|
|
{
|
|
const char *appid = user_data;
|
|
int res;
|
|
int journalfd = sd_journal_stream_fd (appid, LOG_INFO, FALSE);
|
|
if (journalfd >= 0)
|
|
{
|
|
do
|
|
res = dup2 (journalfd, 1);
|
|
while (G_UNLIKELY (res == -1 && errno == EINTR));
|
|
do
|
|
res = dup2 (journalfd, 2);
|
|
while (G_UNLIKELY (res == -1 && errno == EINTR));
|
|
(void) close (journalfd);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* shell_app_launch:
|
|
* @timestamp: Event timestamp, or 0 for current event timestamp
|
|
* @workspace: Start on this workspace, or -1 for default
|
|
* @error: A #GError
|
|
*/
|
|
gboolean
|
|
shell_app_launch (ShellApp *app,
|
|
guint timestamp,
|
|
int workspace,
|
|
GError **error)
|
|
{
|
|
ShellGlobal *global;
|
|
GAppLaunchContext *context;
|
|
gboolean ret;
|
|
|
|
if (app->info == NULL)
|
|
{
|
|
MetaWindow *window = window_backed_app_get_window (app);
|
|
meta_window_activate (window, timestamp);
|
|
return TRUE;
|
|
}
|
|
|
|
global = shell_global_get ();
|
|
context = shell_global_create_app_launch_context (global, timestamp, workspace);
|
|
|
|
ret = g_desktop_app_info_launch_uris_as_manager (app->info, NULL,
|
|
context,
|
|
G_SPAWN_SEARCH_PATH,
|
|
#ifdef HAVE_SYSTEMD
|
|
app_child_setup, (gpointer)shell_app_get_id (app),
|
|
#else
|
|
NULL, NULL,
|
|
#endif
|
|
NULL, NULL,
|
|
error);
|
|
g_object_unref (context);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* shell_app_launch_action:
|
|
* @app: the #ShellApp
|
|
* @action_name: the name of the action to launch (as obtained by
|
|
* g_desktop_app_info_list_actions())
|
|
* @timestamp: Event timestamp, or 0 for current event timestamp
|
|
* @workspace: Start on this workspace, or -1 for default
|
|
*/
|
|
void
|
|
shell_app_launch_action (ShellApp *app,
|
|
const char *action_name,
|
|
guint timestamp,
|
|
int workspace)
|
|
{
|
|
ShellGlobal *global;
|
|
GAppLaunchContext *context;
|
|
|
|
global = shell_global_get ();
|
|
context = shell_global_create_app_launch_context (global, timestamp, workspace);
|
|
|
|
g_desktop_app_info_launch_action (G_DESKTOP_APP_INFO (app->info),
|
|
action_name, context);
|
|
|
|
g_object_unref (context);
|
|
}
|
|
|
|
/**
|
|
* shell_app_get_app_info:
|
|
* @app: a #ShellApp
|
|
*
|
|
* Returns: (transfer none): The #GDesktopAppInfo for this app, or %NULL if backed by a window
|
|
*/
|
|
GDesktopAppInfo *
|
|
shell_app_get_app_info (ShellApp *app)
|
|
{
|
|
return app->info;
|
|
}
|
|
|
|
static void
|
|
create_running_state (ShellApp *app)
|
|
{
|
|
MetaScreen *screen;
|
|
|
|
g_assert (app->running_state == NULL);
|
|
|
|
screen = shell_global_get_screen (shell_global_get ());
|
|
app->running_state = g_slice_new0 (ShellAppRunningState);
|
|
app->running_state->refcount = 1;
|
|
app->running_state->workspace_switch_id =
|
|
g_signal_connect (screen, "workspace-switched", G_CALLBACK(shell_app_on_ws_switch), app);
|
|
|
|
app->running_state->session = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
|
|
g_assert (app->running_state->session != NULL);
|
|
app->running_state->muxer = gtk_action_muxer_new ();
|
|
}
|
|
|
|
void
|
|
shell_app_update_app_menu (ShellApp *app,
|
|
MetaWindow *window)
|
|
{
|
|
const gchar *unique_bus_name;
|
|
|
|
/* We assume that 'gtk-application-object-path' and
|
|
* 'gtk-app-menu-object-path' are the same for all windows which
|
|
* have it set.
|
|
*
|
|
* It could be possible, however, that the first window we see
|
|
* belonging to the app didn't have them set. For this reason, we
|
|
* take the values from the first window that has them set and ignore
|
|
* all the rest (until the app is stopped and restarted).
|
|
*/
|
|
|
|
unique_bus_name = meta_window_get_gtk_unique_bus_name (window);
|
|
|
|
if (app->running_state->remote_menu == NULL ||
|
|
g_strcmp0 (app->running_state->unique_bus_name, unique_bus_name) != 0)
|
|
{
|
|
const gchar *application_object_path;
|
|
const gchar *app_menu_object_path;
|
|
GDBusActionGroup *actions;
|
|
|
|
application_object_path = meta_window_get_gtk_application_object_path (window);
|
|
app_menu_object_path = meta_window_get_gtk_app_menu_object_path (window);
|
|
|
|
if (application_object_path == NULL || app_menu_object_path == NULL || unique_bus_name == NULL)
|
|
return;
|
|
|
|
g_clear_pointer (&app->running_state->unique_bus_name, g_free);
|
|
app->running_state->unique_bus_name = g_strdup (unique_bus_name);
|
|
g_clear_object (&app->running_state->remote_menu);
|
|
app->running_state->remote_menu = g_dbus_menu_model_get (app->running_state->session, unique_bus_name, app_menu_object_path);
|
|
actions = g_dbus_action_group_get (app->running_state->session, unique_bus_name, application_object_path);
|
|
gtk_action_muxer_insert (app->running_state->muxer, "app", G_ACTION_GROUP (actions));
|
|
g_object_unref (actions);
|
|
}
|
|
}
|
|
|
|
static void
|
|
unref_running_state (ShellAppRunningState *state)
|
|
{
|
|
MetaScreen *screen;
|
|
|
|
g_assert (state->refcount > 0);
|
|
|
|
state->refcount--;
|
|
if (state->refcount > 0)
|
|
return;
|
|
|
|
screen = shell_global_get_screen (shell_global_get ());
|
|
g_signal_handler_disconnect (screen, state->workspace_switch_id);
|
|
|
|
g_clear_object (&state->application_proxy);
|
|
|
|
if (state->cancellable != NULL)
|
|
{
|
|
g_cancellable_cancel (state->cancellable);
|
|
g_clear_object (&state->cancellable);
|
|
}
|
|
|
|
g_clear_object (&state->remote_menu);
|
|
g_clear_object (&state->muxer);
|
|
g_clear_object (&state->session);
|
|
g_clear_pointer (&state->unique_bus_name, g_free);
|
|
g_clear_pointer (&state->remote_menu, g_free);
|
|
|
|
g_slice_free (ShellAppRunningState, state);
|
|
}
|
|
|
|
/**
|
|
* shell_app_compare_by_name:
|
|
* @app: One app
|
|
* @other: The other app
|
|
*
|
|
* Order two applications by name.
|
|
*
|
|
* Returns: -1, 0, or 1; suitable for use as a comparison function
|
|
* for e.g. g_slist_sort()
|
|
*/
|
|
int
|
|
shell_app_compare_by_name (ShellApp *app, ShellApp *other)
|
|
{
|
|
return strcmp (app->name_collation_key, other->name_collation_key);
|
|
}
|
|
|
|
static void
|
|
shell_app_init (ShellApp *self)
|
|
{
|
|
self->state = SHELL_APP_STATE_STOPPED;
|
|
}
|
|
|
|
static void
|
|
shell_app_dispose (GObject *object)
|
|
{
|
|
ShellApp *app = SHELL_APP (object);
|
|
|
|
g_clear_object (&app->info);
|
|
|
|
while (app->running_state)
|
|
_shell_app_remove_window (app, app->running_state->windows->data);
|
|
|
|
/* We should have been transitioned when we removed all of our windows */
|
|
g_assert (app->state == SHELL_APP_STATE_STOPPED);
|
|
g_assert (app->running_state == NULL);
|
|
|
|
G_OBJECT_CLASS(shell_app_parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
shell_app_finalize (GObject *object)
|
|
{
|
|
ShellApp *app = SHELL_APP (object);
|
|
|
|
g_free (app->window_id_string);
|
|
|
|
g_free (app->name_collation_key);
|
|
|
|
G_OBJECT_CLASS(shell_app_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
shell_app_class_init(ShellAppClass *klass)
|
|
{
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
|
|
|
gobject_class->get_property = shell_app_get_property;
|
|
gobject_class->dispose = shell_app_dispose;
|
|
gobject_class->finalize = shell_app_finalize;
|
|
|
|
shell_app_signals[WINDOWS_CHANGED] = g_signal_new ("windows-changed",
|
|
SHELL_TYPE_APP,
|
|
G_SIGNAL_RUN_LAST,
|
|
0,
|
|
NULL, NULL, NULL,
|
|
G_TYPE_NONE, 0);
|
|
|
|
/**
|
|
* ShellApp:state:
|
|
*
|
|
* The high-level state of the application, effectively whether it's
|
|
* running or not, or transitioning between those states.
|
|
*/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_STATE,
|
|
g_param_spec_enum ("state",
|
|
"State",
|
|
"Application state",
|
|
SHELL_TYPE_APP_STATE,
|
|
SHELL_APP_STATE_STOPPED,
|
|
G_PARAM_READABLE));
|
|
|
|
/**
|
|
* ShellApp:busy:
|
|
*
|
|
* Whether the application has marked itself as busy.
|
|
*/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_BUSY,
|
|
g_param_spec_boolean ("busy",
|
|
"Busy",
|
|
"Busy state",
|
|
FALSE,
|
|
G_PARAM_READABLE));
|
|
|
|
/**
|
|
* ShellApp:id:
|
|
*
|
|
* The id of this application (a desktop filename, or a special string
|
|
* like window:0xabcd1234)
|
|
*/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_ID,
|
|
g_param_spec_string ("id",
|
|
"Application id",
|
|
"The desktop file id of this ShellApp",
|
|
NULL,
|
|
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* ShellApp:action-group:
|
|
*
|
|
* The #GDBusActionGroup associated with this ShellApp, if any. See the
|
|
* documentation of #GApplication and #GActionGroup for details.
|
|
*/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_ACTION_GROUP,
|
|
g_param_spec_object ("action-group",
|
|
"Application Action Group",
|
|
"The action group exported by the remote application",
|
|
G_TYPE_ACTION_GROUP,
|
|
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
/**
|
|
* ShellApp:menu:
|
|
*
|
|
* The #GMenuProxy associated with this ShellApp, if any. See the
|
|
* documentation of #GMenuModel for details.
|
|
*/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_MENU,
|
|
g_param_spec_object ("menu",
|
|
"Application Menu",
|
|
"The primary menu exported by the remote application",
|
|
G_TYPE_MENU_MODEL,
|
|
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
}
|