1352 lines
38 KiB
C
1352 lines
38 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-window-tracker-private.h"
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#include "st.h"
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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_MULTIPLE_SUBSTRING, /* Matches multiple criteria with substrings */
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MATCH_PREFIX, /* Strict prefix */
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MATCH_MULTIPLE_PREFIX, /* Matches multiple criteria, at least one 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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/* Last time the user interacted with any of this application's windows */
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guint32 last_user_time;
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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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/* Whether or not we need to resort the windows; this is done on demand */
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gboolean window_sort_stale : 1;
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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 #GMenuTreeEntry, 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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GMenuTreeEntry *entry; /* If NULL, this app is backend by exactly one MetaWindow */
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ShellAppRunningState *running_state;
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char *window_id_string;
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char *casefolded_name;
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char *name_collation_key;
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char *casefolded_description;
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char *casefolded_exec;
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};
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G_DEFINE_TYPE (ShellApp, shell_app, G_TYPE_OBJECT);
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enum {
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PROP_0,
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PROP_STATE
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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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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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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->entry)
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return gmenu_tree_entry_get_desktop_file_id (app->entry);
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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->entry == 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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/**
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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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float size)
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{
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GIcon *icon;
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ClutterActor *ret;
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ret = NULL;
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if (app->entry == NULL)
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{
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MetaWindow *window = window_backed_app_get_window (app);
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return st_texture_cache_bind_pixbuf_property (st_texture_cache_get_default (),
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G_OBJECT (window),
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"icon");
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}
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icon = g_app_info_get_icon (G_APP_INFO (gmenu_tree_entry_get_app_info (app->entry)));
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if (icon != NULL)
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ret = st_texture_cache_load_gicon (st_texture_cache_get_default (), NULL, icon, (int)size);
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if (ret == NULL)
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{
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icon = g_themed_icon_new ("application-x-executable");
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ret = st_texture_cache_load_gicon (st_texture_cache_get_default (), NULL, icon, (int)size);
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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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typedef struct {
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ShellApp *app;
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int size;
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} CreateFadedIconData;
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static CoglHandle
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shell_app_create_faded_icon_cpu (StTextureCache *cache,
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const char *key,
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void *datap,
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GError **error)
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{
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CreateFadedIconData *data = datap;
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ShellApp *app;
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GdkPixbuf *pixbuf;
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int size;
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CoglHandle texture;
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gint width, height, rowstride;
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guint8 n_channels;
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gboolean have_alpha;
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gint fade_start;
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gint fade_range;
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guint i, j;
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guint pixbuf_byte_size;
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guint8 *orig_pixels;
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guint8 *pixels;
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GIcon *icon;
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GtkIconInfo *info;
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app = data->app;
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size = data->size;
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info = NULL;
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icon = g_app_info_get_icon (G_APP_INFO (gmenu_tree_entry_get_app_info (app->entry)));
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if (icon != NULL)
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{
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info = gtk_icon_theme_lookup_by_gicon (gtk_icon_theme_get_default (),
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icon, (int) (size + 0.5),
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GTK_ICON_LOOKUP_FORCE_SIZE);
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}
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if (info == NULL)
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{
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icon = g_themed_icon_new ("application-x-executable");
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info = gtk_icon_theme_lookup_by_gicon (gtk_icon_theme_get_default (),
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icon, (int) (size + 0.5),
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GTK_ICON_LOOKUP_FORCE_SIZE);
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g_object_unref (icon);
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}
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if (info == NULL)
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return COGL_INVALID_HANDLE;
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pixbuf = gtk_icon_info_load_icon (info, NULL);
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gtk_icon_info_free (info);
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if (pixbuf == NULL)
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return COGL_INVALID_HANDLE;
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width = gdk_pixbuf_get_width (pixbuf);
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height = gdk_pixbuf_get_height (pixbuf);
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rowstride = gdk_pixbuf_get_rowstride (pixbuf);
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n_channels = gdk_pixbuf_get_n_channels (pixbuf);
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orig_pixels = gdk_pixbuf_get_pixels (pixbuf);
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have_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
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pixbuf_byte_size = (height - 1) * rowstride +
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+ width * ((n_channels * gdk_pixbuf_get_bits_per_sample (pixbuf) + 7) / 8);
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pixels = g_malloc0 (rowstride * height);
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memcpy (pixels, orig_pixels, pixbuf_byte_size);
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fade_start = width / 2;
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fade_range = width - fade_start;
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for (i = fade_start; i < width; i++)
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{
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for (j = 0; j < height; j++)
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{
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guchar *pixel = &pixels[j * rowstride + i * n_channels];
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float fade = 1.0 - ((float) i - fade_start) / fade_range;
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pixel[0] = 0.5 + pixel[0] * fade;
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pixel[1] = 0.5 + pixel[1] * fade;
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pixel[2] = 0.5 + pixel[2] * fade;
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if (have_alpha)
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pixel[3] = 0.5 + pixel[3] * fade;
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}
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}
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texture = cogl_texture_new_from_data (width,
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height,
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COGL_TEXTURE_NONE,
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have_alpha ? COGL_PIXEL_FORMAT_RGBA_8888 : COGL_PIXEL_FORMAT_RGB_888,
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COGL_PIXEL_FORMAT_ANY,
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rowstride,
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pixels);
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g_free (pixels);
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g_object_unref (pixbuf);
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return texture;
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}
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/**
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* shell_app_get_faded_icon:
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* @app: A #ShellApp
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* @size: Size in pixels
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*
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* Return an actor with a horizontally faded look.
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*
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* Return value: (transfer none): A floating #ClutterActor, or %NULL if no icon
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*/
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ClutterActor *
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shell_app_get_faded_icon (ShellApp *app, float size)
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{
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CoglHandle texture;
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ClutterActor *result;
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char *cache_key;
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CreateFadedIconData data;
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/* Don't fade for window backed apps for now...easier to reuse the
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* property tracking bits, and this helps us visually distinguish
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* app-tracked from not.
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*/
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if (!app->entry)
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{
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MetaWindow *window = window_backed_app_get_window (app);
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return st_texture_cache_bind_pixbuf_property (st_texture_cache_get_default (),
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G_OBJECT (window),
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"icon");
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}
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cache_key = g_strdup_printf ("faded-icon:%s,size=%f", shell_app_get_id (app), size);
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data.app = app;
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data.size = (int) (0.5 + size);
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texture = st_texture_cache_load (st_texture_cache_get_default (),
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cache_key,
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ST_TEXTURE_CACHE_POLICY_FOREVER,
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shell_app_create_faded_icon_cpu,
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&data,
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NULL);
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g_free (cache_key);
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if (texture != COGL_INVALID_HANDLE)
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{
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result = clutter_texture_new ();
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clutter_texture_set_cogl_texture (CLUTTER_TEXTURE (result), texture);
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}
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else
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{
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result = clutter_texture_new ();
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g_object_set (result, "opacity", 0, "width", size, "height", size, NULL);
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}
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return result;
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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->entry)
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return g_app_info_get_name (G_APP_INFO (gmenu_tree_entry_get_app_info (app->entry)));
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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 = _("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->entry)
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return g_app_info_get_description (G_APP_INFO (gmenu_tree_entry_get_app_info (app->entry)));
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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->entry == 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: (allow-none): 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 *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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for (iter = windows; 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)
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meta_window_raise (other_window);
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}
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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 (!shell_window_tracker_is_window_interesting (window))
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{
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/* We won't get notify::user-time signals for uninteresting windows,
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* which means that an app's last_user_time won't get updated.
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* Update it here instead.
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*/
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app->running_state->last_user_time = timestamp;
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}
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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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|
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/**
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* shell_app_activate:
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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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*
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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 (ShellApp *app,
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int workspace)
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|
{
|
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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,
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0,
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NULL,
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workspace,
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NULL,
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&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));
|
|
shell_global_notify_error (shell_global_get (),
|
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msg,
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error->message);
|
|
g_free (msg);
|
|
g_clear_error (&error);
|
|
}
|
|
}
|
|
break;
|
|
case SHELL_APP_STATE_STARTING:
|
|
break;
|
|
case SHELL_APP_STATE_RUNNING:
|
|
shell_app_activate_window (app, NULL, shell_global_get_current_time (shell_global_get ()));
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* shell_app_open_new_window:
|
|
* @app: a #ShellApp
|
|
* @workspace: open on this workspace, or -1 for default
|
|
*
|
|
* Request that the application create a new window.
|
|
*/
|
|
void
|
|
shell_app_open_new_window (ShellApp *app,
|
|
int workspace)
|
|
{
|
|
g_return_if_fail (app->entry != NULL);
|
|
|
|
/* Here we just always launch the application again, even if we know
|
|
* it was already running. For most applications this
|
|
* should have the effect of creating a new window, whether that's
|
|
* a second process (in the case of Calculator) or IPC to existing
|
|
* instance (Firefox). There are a few less-sensical cases such
|
|
* as say Pidgin. Ideally, we have the application express to us
|
|
* that it supports an explicit new-window action.
|
|
*/
|
|
shell_app_launch (app,
|
|
0,
|
|
NULL,
|
|
workspace,
|
|
NULL,
|
|
NULL);
|
|
}
|
|
|
|
/**
|
|
* 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 toplevel, interesting 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);
|
|
}
|
|
|
|
static gboolean
|
|
shell_app_has_visible_windows (ShellApp *app)
|
|
{
|
|
GSList *iter;
|
|
|
|
if (app->running_state == NULL)
|
|
return FALSE;
|
|
|
|
for (iter = app->running_state->windows; iter; iter = iter->next)
|
|
{
|
|
MetaWindow *window = iter->data;
|
|
|
|
if (meta_window_showing_on_its_workspace (window))
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* shell_app_compare:
|
|
* @app:
|
|
* @other: A #ShellApp
|
|
*
|
|
* Compare one #ShellApp instance to another, in the following way:
|
|
* - Running applications sort before not-running applications.
|
|
* - If one of them has visible windows and the other does not, the one
|
|
* with visible windows is first.
|
|
* - Finally, the application which the user interacted with most recently
|
|
* compares earlier.
|
|
*/
|
|
int
|
|
shell_app_compare (ShellApp *app,
|
|
ShellApp *other)
|
|
{
|
|
gboolean vis_app, vis_other;
|
|
|
|
if (app->state != other->state)
|
|
{
|
|
if (app->state == SHELL_APP_STATE_RUNNING)
|
|
return -1;
|
|
return 1;
|
|
}
|
|
|
|
vis_app = shell_app_has_visible_windows (app);
|
|
vis_other = shell_app_has_visible_windows (other);
|
|
|
|
if (vis_app && !vis_other)
|
|
return -1;
|
|
else if (!vis_app && vis_other)
|
|
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 other->running_state->last_user_time - app->running_state->last_user_time;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
ShellApp *
|
|
_shell_app_new_for_window (MetaWindow *window)
|
|
{
|
|
ShellApp *app;
|
|
|
|
app = g_object_new (SHELL_TYPE_APP, NULL);
|
|
|
|
/* For windows, its id is simply its pointer address as a string.
|
|
* There are various other alternatives, but the address is unique
|
|
* and unchanging, which is pretty much the best we can do.
|
|
*/
|
|
app->window_id_string = g_strdup_printf ("window:%p", window);
|
|
|
|
_shell_app_add_window (app, window);
|
|
|
|
return app;
|
|
}
|
|
|
|
ShellApp *
|
|
_shell_app_new (GMenuTreeEntry *info)
|
|
{
|
|
ShellApp *app;
|
|
|
|
app = g_object_new (SHELL_TYPE_APP, NULL);
|
|
app->entry = gmenu_tree_item_ref (info);
|
|
app->name_collation_key = g_utf8_collate_key (shell_app_get_name (app), -1);
|
|
|
|
return app;
|
|
}
|
|
|
|
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;
|
|
|
|
if (app->state == SHELL_APP_STATE_STOPPED && app->running_state)
|
|
{
|
|
unref_running_state (app->running_state);
|
|
app->running_state = NULL;
|
|
}
|
|
|
|
_shell_window_tracker_notify_app_state_changed (shell_window_tracker_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);
|
|
|
|
app->running_state->last_user_time = meta_window_get_user_time (window);
|
|
|
|
/* 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_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);
|
|
}
|
|
|
|
void
|
|
_shell_app_add_window (ShellApp *app,
|
|
MetaWindow *window)
|
|
{
|
|
guint32 user_time;
|
|
|
|
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);
|
|
|
|
user_time = meta_window_get_user_time (window);
|
|
if (user_time > app->running_state->last_user_time)
|
|
app->running_state->last_user_time = user_time;
|
|
|
|
if (app->state != SHELL_APP_STATE_STARTING)
|
|
shell_app_state_transition (app, SHELL_APP_STATE_RUNNING);
|
|
|
|
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_object_unref (window);
|
|
app->running_state->windows = g_slist_remove (app->running_state->windows, window);
|
|
|
|
if (app->running_state->windows == NULL)
|
|
shell_app_state_transition (app, SHELL_APP_STATE_STOPPED);
|
|
|
|
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 (!shell_window_tracker_is_window_interesting (win))
|
|
continue;
|
|
|
|
meta_window_delete (win, shell_global_get_current_time (shell_global_get ()));
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
_gather_pid_callback (GDesktopAppInfo *gapp,
|
|
GPid pid,
|
|
gpointer data)
|
|
{
|
|
ShellApp *app;
|
|
ShellWindowTracker *tracker;
|
|
|
|
g_return_if_fail (data != NULL);
|
|
|
|
app = SHELL_APP (data);
|
|
tracker = shell_window_tracker_get_default ();
|
|
|
|
_shell_window_tracker_add_child_process_app (tracker,
|
|
pid,
|
|
app);
|
|
}
|
|
|
|
/**
|
|
* shell_app_launch:
|
|
* @timestamp: Event timestamp, or 0 for current event timestamp
|
|
* @uris: List of uris to pass to application
|
|
* @workspace: Start on this workspace, or -1 for default
|
|
* @startup_id: (out): Returned startup notification ID, or %NULL if none
|
|
* @error: A #GError
|
|
*/
|
|
gboolean
|
|
shell_app_launch (ShellApp *app,
|
|
guint timestamp,
|
|
GList *uris,
|
|
int workspace,
|
|
char **startup_id,
|
|
GError **error)
|
|
{
|
|
GDesktopAppInfo *gapp;
|
|
GdkAppLaunchContext *context;
|
|
gboolean ret;
|
|
ShellGlobal *global;
|
|
MetaScreen *screen;
|
|
|
|
if (startup_id)
|
|
*startup_id = NULL;
|
|
|
|
if (app->entry == NULL)
|
|
{
|
|
MetaWindow *window = window_backed_app_get_window (app);
|
|
/* We can't pass URIs into a window; shouldn't hit this
|
|
* code path. If we do, fix the caller to disallow it.
|
|
*/
|
|
g_return_val_if_fail (uris == NULL, TRUE);
|
|
|
|
meta_window_activate (window, timestamp);
|
|
return TRUE;
|
|
}
|
|
|
|
global = shell_global_get ();
|
|
screen = shell_global_get_screen (global);
|
|
|
|
if (timestamp == 0)
|
|
timestamp = clutter_get_current_event_time ();
|
|
|
|
if (workspace < 0)
|
|
workspace = meta_screen_get_active_workspace_index (screen);
|
|
|
|
context = gdk_app_launch_context_new ();
|
|
gdk_app_launch_context_set_timestamp (context, timestamp);
|
|
gdk_app_launch_context_set_desktop (context, workspace);
|
|
|
|
gapp = gmenu_tree_entry_get_app_info (app->entry);
|
|
ret = g_desktop_app_info_launch_uris_as_manager (gapp, uris,
|
|
G_APP_LAUNCH_CONTEXT (context),
|
|
G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD,
|
|
NULL, NULL,
|
|
_gather_pid_callback, app,
|
|
error);
|
|
g_object_unref (context);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
if (app->entry)
|
|
return gmenu_tree_entry_get_app_info (app->entry);
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* shell_app_get_tree_entry:
|
|
* @app: a #ShellApp
|
|
*
|
|
* Returns: (transfer none): The #GMenuTreeEntry for this app, or %NULL if backed by a window
|
|
*/
|
|
GMenuTreeEntry *
|
|
shell_app_get_tree_entry (ShellApp *app)
|
|
{
|
|
return app->entry;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static void
|
|
unref_running_state (ShellAppRunningState *state)
|
|
{
|
|
MetaScreen *screen;
|
|
|
|
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_slice_free (ShellAppRunningState, state);
|
|
}
|
|
|
|
static char *
|
|
trim_exec_line (const char *str)
|
|
{
|
|
const char *start, *end, *pos;
|
|
|
|
end = strchr (str, ' ');
|
|
if (end == NULL)
|
|
end = str + strlen (str);
|
|
|
|
start = str;
|
|
while ((pos = strchr (start, '/')) && pos < end)
|
|
start = ++pos;
|
|
|
|
return g_strndup (start, end - start);
|
|
}
|
|
|
|
static void
|
|
shell_app_init_search_data (ShellApp *app)
|
|
{
|
|
const char *name;
|
|
const char *exec;
|
|
const char *comment;
|
|
char *normalized_exec;
|
|
GDesktopAppInfo *appinfo;
|
|
|
|
appinfo = gmenu_tree_entry_get_app_info (app->entry);
|
|
name = g_app_info_get_name (G_APP_INFO (appinfo));
|
|
app->casefolded_name = shell_util_normalize_and_casefold (name);
|
|
|
|
comment = g_app_info_get_description (G_APP_INFO (appinfo));
|
|
app->casefolded_description = shell_util_normalize_and_casefold (comment);
|
|
|
|
exec = g_app_info_get_executable (G_APP_INFO (appinfo));
|
|
normalized_exec = shell_util_normalize_and_casefold (exec);
|
|
app->casefolded_exec = trim_exec_line (normalized_exec);
|
|
g_free (normalized_exec);
|
|
}
|
|
|
|
/**
|
|
* shell_app_compare_by_name:
|
|
* @app:
|
|
* @other:
|
|
*
|
|
* 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 ShellAppSearchMatch
|
|
_shell_app_match_search_terms (ShellApp *app,
|
|
GSList *terms)
|
|
{
|
|
GSList *iter;
|
|
ShellAppSearchMatch match;
|
|
|
|
if (G_UNLIKELY (!app->casefolded_name))
|
|
shell_app_init_search_data (app);
|
|
|
|
match = MATCH_NONE;
|
|
for (iter = terms; iter; iter = iter->next)
|
|
{
|
|
ShellAppSearchMatch current_match;
|
|
const char *term = iter->data;
|
|
const char *p;
|
|
|
|
current_match = MATCH_NONE;
|
|
|
|
p = strstr (app->casefolded_name, term);
|
|
if (p == app->casefolded_name)
|
|
current_match = MATCH_PREFIX;
|
|
else if (p != NULL)
|
|
current_match = MATCH_SUBSTRING;
|
|
|
|
p = strstr (app->casefolded_exec, term);
|
|
if (p != NULL)
|
|
{
|
|
if (p == app->casefolded_exec)
|
|
current_match = (current_match == MATCH_NONE) ? MATCH_PREFIX
|
|
: MATCH_MULTIPLE_PREFIX;
|
|
else if (current_match < MATCH_PREFIX)
|
|
current_match = (current_match == MATCH_NONE) ? MATCH_SUBSTRING
|
|
: MATCH_MULTIPLE_SUBSTRING;
|
|
}
|
|
|
|
if (app->casefolded_description && current_match < MATCH_PREFIX)
|
|
{
|
|
/* Only do substring matches, as prefix matches are not meaningful
|
|
* enough for descriptions
|
|
*/
|
|
p = strstr (app->casefolded_description, term);
|
|
if (p != NULL)
|
|
current_match = (current_match == MATCH_NONE) ? MATCH_SUBSTRING
|
|
: MATCH_MULTIPLE_SUBSTRING;
|
|
}
|
|
|
|
if (current_match == MATCH_NONE)
|
|
return current_match;
|
|
|
|
if (current_match > match)
|
|
match = current_match;
|
|
}
|
|
return match;
|
|
}
|
|
|
|
void
|
|
_shell_app_do_match (ShellApp *app,
|
|
GSList *terms,
|
|
GSList **multiple_prefix_results,
|
|
GSList **prefix_results,
|
|
GSList **multiple_substring_results,
|
|
GSList **substring_results)
|
|
{
|
|
ShellAppSearchMatch match;
|
|
GAppInfo *appinfo;
|
|
|
|
g_assert (app != NULL);
|
|
|
|
/* Skip window-backed apps */
|
|
appinfo = (GAppInfo*)shell_app_get_app_info (app);
|
|
if (appinfo == NULL)
|
|
return;
|
|
/* Skip not-visible apps */
|
|
if (!g_app_info_should_show (appinfo))
|
|
return;
|
|
|
|
match = _shell_app_match_search_terms (app, terms);
|
|
switch (match)
|
|
{
|
|
case MATCH_NONE:
|
|
break;
|
|
case MATCH_MULTIPLE_PREFIX:
|
|
*multiple_prefix_results = g_slist_prepend (*multiple_prefix_results, app);
|
|
break;
|
|
case MATCH_PREFIX:
|
|
*prefix_results = g_slist_prepend (*prefix_results, app);
|
|
break;
|
|
case MATCH_MULTIPLE_SUBSTRING:
|
|
*multiple_substring_results = g_slist_prepend (*multiple_substring_results, app);
|
|
break;
|
|
case MATCH_SUBSTRING:
|
|
*substring_results = g_slist_prepend (*substring_results, app);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
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);
|
|
|
|
if (app->entry)
|
|
{
|
|
gmenu_tree_item_unref (app->entry);
|
|
app->entry = NULL;
|
|
}
|
|
|
|
if (app->running_state)
|
|
{
|
|
while (app->running_state->windows)
|
|
_shell_app_remove_window (app, app->running_state->windows->data);
|
|
}
|
|
|
|
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->casefolded_name);
|
|
g_free (app->name_collation_key);
|
|
g_free (app->casefolded_description);
|
|
|
|
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,
|
|
g_cclosure_marshal_VOID__VOID,
|
|
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));
|
|
}
|