diff options
Diffstat (limited to 'src/gs-window-x11.c')
| -rw-r--r-- | src/gs-window-x11.c | 2647 |
1 files changed, 2647 insertions, 0 deletions
diff --git a/src/gs-window-x11.c b/src/gs-window-x11.c new file mode 100644 index 0000000..2e6f0f7 --- /dev/null +++ b/src/gs-window-x11.c @@ -0,0 +1,2647 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2004-2008 William Jon McCann <[email protected]> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Authors: William Jon McCann <[email protected]> + * + */ + +#include "config.h" + +#include <sys/types.h> +#include <errno.h> +#include <sys/wait.h> +#include <string.h> + +#include <gdk/gdkx.h> +#include <gdk/gdkkeysyms.h> +#include <gtk/gtk.h> + +#include "gs-window.h" +#include "gs-marshal.h" +#include "subprocs.h" +#include "gs-debug.h" + +#ifdef HAVE_SHAPE_EXT +#include <X11/extensions/shape.h> +#endif + +static void gs_window_class_init (GSWindowClass *klass); +static void gs_window_init (GSWindow *window); +static void gs_window_finalize (GObject *object); + +static gboolean popup_dialog_idle (GSWindow *window); +static void gs_window_dialog_finish (GSWindow *window); +static void remove_command_watches (GSWindow *window); + +enum +{ + DIALOG_RESPONSE_CANCEL, + DIALOG_RESPONSE_OK +}; + +#define MAX_QUEUED_EVENTS 16 +#define INFO_BAR_SECONDS 30 + +#define GS_WINDOW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GS_TYPE_WINDOW, GSWindowPrivate)) + +struct GSWindowPrivate +{ + int monitor; + + GdkRectangle geometry; + guint obscured : 1; + guint dialog_up : 1; + + guint lock_enabled : 1; + guint user_switch_enabled : 1; + guint logout_enabled : 1; + guint keyboard_enabled : 1; + + guint64 logout_timeout; + char *logout_command; + char *keyboard_command; + char *status_message; + + GtkWidget *vbox; + GtkWidget *drawing_area; + GtkWidget *lock_box; + GtkWidget *lock_socket; + GtkWidget *keyboard_socket; + GtkWidget *info_bar; + GtkWidget *info_content; + + GdkPixmap *background_pixmap; + + guint popup_dialog_idle_id; + + guint dialog_map_signal_id; + guint dialog_unmap_signal_id; + guint dialog_response_signal_id; + + guint watchdog_timer_id; + guint info_bar_timer_id; + + gint lock_pid; + gint lock_watch_id; + gint dialog_response; + gboolean dialog_quit_requested; + gboolean dialog_shake_in_progress; + + gint keyboard_pid; + gint keyboard_watch_id; + + GList *key_events; + + gdouble last_x; + gdouble last_y; + + GTimer *timer; + +#ifdef HAVE_SHAPE_EXT + int shape_event_base; +#endif +}; + +enum +{ + ACTIVITY, + DEACTIVATED, + LAST_SIGNAL +}; + +enum +{ + PROP_0, + PROP_OBSCURED, + PROP_DIALOG_UP, + PROP_LOCK_ENABLED, + PROP_LOGOUT_ENABLED, + PROP_KEYBOARD_ENABLED, + PROP_KEYBOARD_COMMAND, + PROP_LOGOUT_COMMAND, + PROP_LOGOUT_TIMEOUT, + PROP_MONITOR, + PROP_STATUS_MESSAGE +}; + +static guint signals [LAST_SIGNAL] = { 0, }; + +G_DEFINE_TYPE (GSWindow, gs_window, GTK_TYPE_WINDOW) + +static void +set_invisible_cursor (GdkWindow *window, + gboolean invisible) +{ + GdkBitmap *empty_bitmap; + GdkCursor *cursor = NULL; + GdkColor useless; + char invisible_cursor_bits [] = { 0x0 }; + + if (invisible) + { + useless.red = useless.green = useless.blue = 0; + useless.pixel = 0; + + empty_bitmap = gdk_bitmap_create_from_data (window, + invisible_cursor_bits, + 1, 1); + + cursor = gdk_cursor_new_from_pixmap (empty_bitmap, + empty_bitmap, + &useless, + &useless, 0, 0); + + g_object_unref (empty_bitmap); + } + + gdk_window_set_cursor (window, cursor); + + if (cursor) + { + gdk_cursor_unref (cursor); + } +} + +/* derived from tomboy */ +static void +gs_window_override_user_time (GSWindow *window) +{ + guint32 ev_time = gtk_get_current_event_time (); + + if (ev_time == 0) + { + gint ev_mask = gtk_widget_get_events (GTK_WIDGET (window)); + if (!(ev_mask & GDK_PROPERTY_CHANGE_MASK)) + { + gtk_widget_add_events (GTK_WIDGET (window), + GDK_PROPERTY_CHANGE_MASK); + } + + /* + * NOTE: Last resort for D-BUS or other non-interactive + * openings. Causes roundtrip to server. Lame. + */ + ev_time = gdk_x11_get_server_time (GTK_WIDGET (window)->window); + } + + gdk_x11_window_set_user_time (GTK_WIDGET (window)->window, ev_time); +} + +static void +force_no_pixmap_background (GtkWidget *widget) +{ + static gboolean first_time = TRUE; + + if (first_time) + { + gtk_rc_parse_string ("\n" + " style \"gs-theme-engine-style\"\n" + " {\n" + " bg_pixmap[NORMAL] = \"<none>\"\n" + " bg_pixmap[INSENSITIVE] = \"<none>\"\n" + " bg_pixmap[ACTIVE] = \"<none>\"\n" + " bg_pixmap[PRELIGHT] = \"<none>\"\n" + " bg[NORMAL] = { 0.0, 0.0, 0.0 }\n" + " bg[INSENSITIVE] = { 0.0, 0.0, 0.0 }\n" + " bg[ACTIVE] = { 0.0, 0.0, 0.0 }\n" + " bg[PRELIGHT] = { 0.0, 0.0, 0.0 }\n" + " }\n" + " widget \"gs-window-drawing-area*\" style : highest \"gs-theme-engine-style\"\n" + "\n"); + first_time = FALSE; + } + + gtk_widget_set_name (widget, "gs-window-drawing-area"); +} + +static void +clear_children (Window window) +{ + Window root; + Window parent; + Window *children; + unsigned int n_children; + int status; + + children = NULL; + status = XQueryTree (GDK_DISPLAY (), window, &root, &parent, &children, &n_children); + + if (status == 0) + { + if (children) + { + XFree (children); + } + return; + } + + if (children) + { + while (n_children) + { + Window child; + + child = children [--n_children]; + + XClearWindow (GDK_DISPLAY (), child); + clear_children (child); + } + + XFree (children); + } +} + +static void +widget_clear_all_children (GtkWidget *widget) +{ + GdkWindow *w; + + gs_debug ("Clearing all child windows"); + + gdk_error_trap_push (); + + w = widget->window; + + clear_children (GDK_WINDOW_XID (w)); + + gdk_display_sync (gtk_widget_get_display (widget)); + gdk_error_trap_pop (); +} + +void +gs_window_set_background_pixmap (GSWindow *window, + GdkPixmap *pixmap) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + if (window->priv->background_pixmap != NULL) + { + g_object_unref (window->priv->background_pixmap); + } + + if (pixmap != NULL) + { + window->priv->background_pixmap = g_object_ref (pixmap); + gdk_window_set_back_pixmap (GTK_WIDGET (window)->window, + pixmap, + FALSE); + } +} + +static void +gs_window_clear_to_background_pixmap (GSWindow *window) +{ + GtkStateType state; + GtkStyle *style; + + g_return_if_fail (GS_IS_WINDOW (window)); + + if (! GTK_WIDGET_VISIBLE (GTK_WIDGET (window))) + { + return; + } + + if (window->priv->background_pixmap == NULL) + { + /* don't allow null pixmaps */ + return; + } + + gs_debug ("Clearing window to background pixmap"); + + style = gtk_style_copy (GTK_WIDGET (window)->style); + + state = (GtkStateType) 0; + while (state < (GtkStateType) G_N_ELEMENTS (GTK_WIDGET (window)->style->bg_pixmap)) + { + + if (style->bg_pixmap[state] != NULL) + { + g_object_unref (style->bg_pixmap[state]); + } + + style->bg_pixmap[state] = g_object_ref (window->priv->background_pixmap); + state++; + } + + gtk_widget_set_style (GTK_WIDGET (window), style); + g_object_unref (style); + + if (window->priv->background_pixmap != NULL) + { + gdk_window_set_back_pixmap (GTK_WIDGET (window)->window, + window->priv->background_pixmap, + FALSE); + } + + gdk_window_clear (GTK_WIDGET (window)->window); + + gdk_flush (); +} + +static void +clear_widget (GtkWidget *widget) +{ + GdkColor color = { 0, 0x0000, 0x0000, 0x0000 }; + GdkColormap *colormap; + GtkStateType state; + GtkStyle *style; + + if (! GTK_WIDGET_VISIBLE (widget)) + { + return; + } + + gs_debug ("Clearing widget"); + + state = (GtkStateType) 0; + while (state < (GtkStateType) G_N_ELEMENTS (widget->style->bg)) + { + gtk_widget_modify_bg (widget, state, &color); + state++; + } + + style = gtk_style_copy (widget->style); + + state = (GtkStateType) 0; + while (state < (GtkStateType) G_N_ELEMENTS (widget->style->bg_pixmap)) + { + + if (style->bg_pixmap[state] != NULL) + { + g_object_unref (style->bg_pixmap[state]); + } + + style->bg_pixmap[state] = NULL; + state++; + } + + colormap = gdk_drawable_get_colormap (widget->window); + gdk_colormap_alloc_color (colormap, &color, FALSE, TRUE); + gdk_window_set_background (widget->window, &color); + + gtk_widget_set_style (widget, style); + g_object_unref (style); + + gdk_window_clear (widget->window); + + /* If a screensaver theme adds child windows we need to clear them too */ + widget_clear_all_children (widget); + + gdk_flush (); +} + +void +gs_window_clear (GSWindow *window) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + clear_widget (GTK_WIDGET (window)); + clear_widget (window->priv->drawing_area); +} + +static GdkRegion * +get_outside_region (GSWindow *window) +{ + int i; + GdkRegion *region; + + region = gdk_region_new (); + for (i = 0; i < window->priv->monitor; i++) + { + GdkRectangle geometry; + + gdk_screen_get_monitor_geometry (GTK_WINDOW (window)->screen, + i, &geometry); + gdk_region_union_with_rect (region, &geometry); + } + + return region; +} + +static void +update_geometry (GSWindow *window) +{ + GdkRectangle geometry; + GdkRegion *outside_region; + GdkRegion *monitor_region; + + outside_region = get_outside_region (window); + + gdk_screen_get_monitor_geometry (GTK_WINDOW (window)->screen, + window->priv->monitor, + &geometry); + gs_debug ("got geometry for monitor %d: x=%d y=%d w=%d h=%d", + window->priv->monitor, + geometry.x, + geometry.y, + geometry.width, + geometry.height); + monitor_region = gdk_region_rectangle (&geometry); + gdk_region_subtract (monitor_region, outside_region); + gdk_region_destroy (outside_region); + + gdk_region_get_clipbox (monitor_region, &geometry); + gdk_region_destroy (monitor_region); + + gs_debug ("using geometry for monitor %d: x=%d y=%d w=%d h=%d", + window->priv->monitor, + geometry.x, + geometry.y, + geometry.width, + geometry.height); + + window->priv->geometry.x = geometry.x; + window->priv->geometry.y = geometry.y; + window->priv->geometry.width = geometry.width; + window->priv->geometry.height = geometry.height; +} + +static void +screen_size_changed (GdkScreen *screen, + GSWindow *window) +{ + gs_debug ("Got screen size changed signal"); + gtk_widget_queue_resize (GTK_WIDGET (window)); +} + +/* copied from panel-toplevel.c */ +static void +gs_window_move_resize_window (GSWindow *window, + gboolean move, + gboolean resize) +{ + GtkWidget *widget; + + widget = GTK_WIDGET (window); + + g_assert (GTK_WIDGET_REALIZED (widget)); + + gs_debug ("Move and/or resize window on monitor %d: x=%d y=%d w=%d h=%d", + window->priv->monitor, + window->priv->geometry.x, + window->priv->geometry.y, + window->priv->geometry.width, + window->priv->geometry.height); + + if (move && resize) + { + gdk_window_move_resize (widget->window, + window->priv->geometry.x, + window->priv->geometry.y, + window->priv->geometry.width, + window->priv->geometry.height); + } + else if (move) + { + gdk_window_move (widget->window, + window->priv->geometry.x, + window->priv->geometry.y); + } + else if (resize) + { + gdk_window_resize (widget->window, + window->priv->geometry.width, + window->priv->geometry.height); + } +} + +static void +gs_window_real_unrealize (GtkWidget *widget) +{ + g_signal_handlers_disconnect_by_func (gtk_window_get_screen (GTK_WINDOW (widget)), + screen_size_changed, + widget); + + if (GTK_WIDGET_CLASS (gs_window_parent_class)->unrealize) + { + GTK_WIDGET_CLASS (gs_window_parent_class)->unrealize (widget); + } +} + +/* copied from gdk */ +extern char **environ; + +static gchar ** +spawn_make_environment_for_screen (GdkScreen *screen, + gchar **envp) +{ + gchar **retval = NULL; + gchar *display_name; + gint display_index = -1; + gint i, env_len; + + g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL); + + if (envp == NULL) + envp = environ; + + for (env_len = 0; envp[env_len]; env_len++) + if (strncmp (envp[env_len], "DISPLAY", strlen ("DISPLAY")) == 0) + display_index = env_len; + + retval = g_new (char *, env_len + 1); + retval[env_len] = NULL; + + display_name = gdk_screen_make_display_name (screen); + + for (i = 0; i < env_len; i++) + if (i == display_index) + retval[i] = g_strconcat ("DISPLAY=", display_name, NULL); + else + retval[i] = g_strdup (envp[i]); + + g_assert (i == env_len); + + g_free (display_name); + + return retval; +} + +static gboolean +spawn_command_line_on_screen_sync (GdkScreen *screen, + const gchar *command_line, + char **standard_output, + char **standard_error, + int *exit_status, + GError **error) +{ + char **argv = NULL; + char **envp = NULL; + gboolean retval; + + g_return_val_if_fail (command_line != NULL, FALSE); + + if (! g_shell_parse_argv (command_line, NULL, &argv, error)) + { + return FALSE; + } + + envp = spawn_make_environment_for_screen (screen, NULL); + + retval = g_spawn_sync (NULL, + argv, + envp, + G_SPAWN_SEARCH_PATH, + NULL, + NULL, + standard_output, + standard_error, + exit_status, + error); + + g_strfreev (argv); + g_strfreev (envp); + + return retval; +} + +static GdkVisual * +get_best_visual_for_screen (GdkScreen *screen) +{ + char *command; + char *std_output; + int exit_status; + GError *error; + unsigned long v; + char c; + GdkVisual *visual; + gboolean res; + + visual = NULL; + + command = g_build_filename (LIBEXECDIR, "mate-screensaver-gl-helper", NULL); + + error = NULL; + std_output = NULL; + res = spawn_command_line_on_screen_sync (screen, + command, + &std_output, + NULL, + &exit_status, + &error); + if (! res) + { + gs_debug ("Could not run command '%s': %s", command, error->message); + g_error_free (error); + goto out; + } + + if (1 == sscanf (std_output, "0x%lx %c", &v, &c)) + { + if (v != 0) + { + VisualID visual_id; + + visual_id = (VisualID) v; + visual = gdkx_visual_get (visual_id); + + gs_debug ("Found best GL visual for screen %d: 0x%x", + gdk_screen_get_number (screen), + (unsigned int) visual_id); + } + } +out: + g_free (std_output); + g_free (command); + + return visual; +} + +static GdkColormap * +get_best_colormap_for_screen (GdkScreen *screen) +{ + GdkColormap *colormap; + GdkVisual *visual; + + g_return_val_if_fail (screen != NULL, NULL); + + visual = get_best_visual_for_screen (screen); + + colormap = NULL; + if (visual != NULL) + { + colormap = gdk_colormap_new (visual, FALSE); + } + + return colormap; +} + +static void +widget_set_best_colormap (GtkWidget *widget) +{ + GdkColormap *colormap; + + g_return_if_fail (widget != NULL); + + colormap = get_best_colormap_for_screen (gtk_widget_get_screen (widget)); + if (colormap != NULL) + { + gtk_widget_set_colormap (widget, colormap); + g_object_unref (colormap); + } +} + +static void +gs_window_real_realize (GtkWidget *widget) +{ + widget_set_best_colormap (widget); + + if (GTK_WIDGET_CLASS (gs_window_parent_class)->realize) + { + GTK_WIDGET_CLASS (gs_window_parent_class)->realize (widget); + } + + gs_window_override_user_time (GS_WINDOW (widget)); + + gs_window_move_resize_window (GS_WINDOW (widget), TRUE, TRUE); + + g_signal_connect (gtk_window_get_screen (GTK_WINDOW (widget)), + "size_changed", + G_CALLBACK (screen_size_changed), + widget); +} + +/* every so often we should raise the window in case + another window has somehow gotten on top */ +static gboolean +watchdog_timer (GSWindow *window) +{ + GtkWidget *widget = GTK_WIDGET (window); + + gdk_window_focus (widget->window, GDK_CURRENT_TIME); + + return TRUE; +} + +static void +remove_watchdog_timer (GSWindow *window) +{ + if (window->priv->watchdog_timer_id != 0) + { + g_source_remove (window->priv->watchdog_timer_id); + window->priv->watchdog_timer_id = 0; + } +} + +static void +add_watchdog_timer (GSWindow *window, + glong timeout) +{ + window->priv->watchdog_timer_id = g_timeout_add (timeout, + (GSourceFunc)watchdog_timer, + window); +} + +static void +remove_popup_dialog_idle (GSWindow *window) +{ + if (window->priv->popup_dialog_idle_id != 0) + { + g_source_remove (window->priv->popup_dialog_idle_id); + window->priv->popup_dialog_idle_id = 0; + } +} + +static void +add_popup_dialog_idle (GSWindow *window) +{ + window->priv->popup_dialog_idle_id = g_idle_add ((GSourceFunc)popup_dialog_idle, window); +} + +static gboolean +emit_deactivated_idle (GSWindow *window) +{ + g_signal_emit (window, signals [DEACTIVATED], 0); + + return FALSE; +} + +static void +add_emit_deactivated_idle (GSWindow *window) +{ + g_idle_add ((GSourceFunc)emit_deactivated_idle, window); +} + +static void +gs_window_raise (GSWindow *window) +{ + GdkWindow *win; + + g_return_if_fail (GS_IS_WINDOW (window)); + + gs_debug ("Raising screensaver window"); + + win = GTK_WIDGET (window)->window; + + gdk_window_raise (win); +} + +static gboolean +x11_window_is_ours (Window window) +{ + GdkWindow *gwindow; + gboolean ret; + + ret = FALSE; + + gwindow = gdk_window_lookup (window); + if (gwindow && (window != GDK_ROOT_WINDOW ())) + { + ret = TRUE; + } + + return ret; +} + +#ifdef HAVE_SHAPE_EXT +static void +unshape_window (GSWindow *window) +{ + gdk_window_shape_combine_region (GTK_WIDGET (window)->window, + NULL, + 0, + 0); +} +#endif + +static void +gs_window_xevent (GSWindow *window, + GdkXEvent *xevent) +{ + XEvent *ev; + + ev = xevent; + + /* MapNotify is used to tell us when new windows are mapped. + ConfigureNofify is used to tell us when windows are raised. */ + switch (ev->xany.type) + { + case MapNotify: + { + XMapEvent *xme = &ev->xmap; + + if (! x11_window_is_ours (xme->window)) + { + gs_window_raise (window); + } + else + { + gs_debug ("not raising our windows"); + } + + break; + } + case ConfigureNotify: + { + XConfigureEvent *xce = &ev->xconfigure; + + if (! x11_window_is_ours (xce->window)) + { + gs_window_raise (window); + } + else + { + gs_debug ("not raising our windows"); + } + + break; + } + default: + /* extension events */ +#ifdef HAVE_SHAPE_EXT + if (ev->xany.type == (window->priv->shape_event_base + ShapeNotify)) + { + /*XShapeEvent *xse = (XShapeEvent *) ev;*/ + unshape_window (window); + gs_debug ("Window was reshaped!"); + } +#endif + + break; + } + +} + +static GdkFilterReturn +xevent_filter (GdkXEvent *xevent, + GdkEvent *event, + GSWindow *window) +{ + gs_window_xevent (window, xevent); + + return GDK_FILTER_CONTINUE; +} + +static void +select_popup_events (void) +{ + XWindowAttributes attr; + unsigned long events; + + gdk_error_trap_push (); + + memset (&attr, 0, sizeof (attr)); + XGetWindowAttributes (GDK_DISPLAY (), GDK_ROOT_WINDOW (), &attr); + + events = SubstructureNotifyMask | attr.your_event_mask; + XSelectInput (GDK_DISPLAY (), GDK_ROOT_WINDOW (), events); + + gdk_display_sync (gdk_display_get_default ()); + gdk_error_trap_pop (); +} + +static void +window_select_shape_events (GSWindow *window) +{ +#ifdef HAVE_SHAPE_EXT + unsigned long events; + int shape_error_base; + + gdk_error_trap_push (); + + if (XShapeQueryExtension (GDK_DISPLAY (), &window->priv->shape_event_base, &shape_error_base)) + { + events = ShapeNotifyMask; + XShapeSelectInput (GDK_DISPLAY (), GDK_WINDOW_XID (GTK_WIDGET (window)->window), events); + } + + gdk_display_sync (gdk_display_get_default ()); + gdk_error_trap_pop (); +#endif +} + +static void +gs_window_real_show (GtkWidget *widget) +{ + GSWindow *window; + + if (GTK_WIDGET_CLASS (gs_window_parent_class)->show) + { + GTK_WIDGET_CLASS (gs_window_parent_class)->show (widget); + } + + gs_window_clear (GS_WINDOW (widget)); + + set_invisible_cursor (widget->window, TRUE); + + window = GS_WINDOW (widget); + if (window->priv->timer) + { + g_timer_destroy (window->priv->timer); + } + window->priv->timer = g_timer_new (); + + remove_watchdog_timer (window); + add_watchdog_timer (window, 30000); + + select_popup_events (); + window_select_shape_events (window); + gdk_window_add_filter (NULL, (GdkFilterFunc)xevent_filter, window); +} + +static void +set_info_text_and_icon (GSWindow *window, + const char *icon_stock_id, + const char *primary_text, + const char *secondary_text) +{ + GtkWidget *content_area; + GtkWidget *hbox_content; + GtkWidget *image; + GtkWidget *vbox; + gchar *primary_markup; + gchar *secondary_markup; + GtkWidget *primary_label; + GtkWidget *secondary_label; + + hbox_content = gtk_hbox_new (FALSE, 8); + gtk_widget_show (hbox_content); + + image = gtk_image_new_from_stock (icon_stock_id, GTK_ICON_SIZE_DIALOG); + gtk_widget_show (image); + gtk_box_pack_start (GTK_BOX (hbox_content), image, FALSE, FALSE, 0); + gtk_misc_set_alignment (GTK_MISC (image), 0.5, 0); + + vbox = gtk_vbox_new (FALSE, 6); + gtk_widget_show (vbox); + gtk_box_pack_start (GTK_BOX (hbox_content), vbox, FALSE, FALSE, 0); + + primary_markup = g_strdup_printf ("<b>%s</b>", primary_text); + primary_label = gtk_label_new (primary_markup); + g_free (primary_markup); + gtk_widget_show (primary_label); + gtk_box_pack_start (GTK_BOX (vbox), primary_label, TRUE, TRUE, 0); + gtk_label_set_use_markup (GTK_LABEL (primary_label), TRUE); + gtk_label_set_line_wrap (GTK_LABEL (primary_label), TRUE); + gtk_misc_set_alignment (GTK_MISC (primary_label), 0, 0.5); + + if (secondary_text != NULL) + { + secondary_markup = g_strdup_printf ("<small>%s</small>", + secondary_text); + secondary_label = gtk_label_new (secondary_markup); + g_free (secondary_markup); + gtk_widget_show (secondary_label); + gtk_box_pack_start (GTK_BOX (vbox), secondary_label, TRUE, TRUE, 0); + gtk_label_set_use_markup (GTK_LABEL (secondary_label), TRUE); + gtk_label_set_line_wrap (GTK_LABEL (secondary_label), TRUE); + gtk_misc_set_alignment (GTK_MISC (secondary_label), 0, 0.5); + } + + /* remove old content */ + content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (window->priv->info_bar)); + if (window->priv->info_content != NULL) + { + gtk_container_remove (GTK_CONTAINER (content_area), window->priv->info_content); + } + gtk_box_pack_start (GTK_BOX (content_area), + hbox_content, + TRUE, FALSE, 0); + window->priv->info_content = hbox_content; +} + +static gboolean +info_bar_timeout (GSWindow *window) +{ + window->priv->info_bar_timer_id = 0; + gtk_widget_hide (window->priv->info_bar); + return FALSE; +} + +void +gs_window_show_message (GSWindow *window, + const char *summary, + const char *body, + const char *icon) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + set_info_text_and_icon (window, + icon, + summary, + body); + gtk_widget_show (window->priv->info_bar); + + if (window->priv->info_bar_timer_id > 0) + { + g_source_remove (window->priv->info_bar_timer_id); + } + + window->priv->info_bar_timer_id = g_timeout_add_seconds (INFO_BAR_SECONDS, + (GSourceFunc)info_bar_timeout, + window); +} + +void +gs_window_show (GSWindow *window) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + gtk_widget_show (GTK_WIDGET (window)); +} + +static void +gs_window_real_hide (GtkWidget *widget) +{ + GSWindow *window; + + window = GS_WINDOW (widget); + + gdk_window_remove_filter (NULL, (GdkFilterFunc)xevent_filter, window); + + remove_watchdog_timer (window); + + if (GTK_WIDGET_CLASS (gs_window_parent_class)->hide) + { + GTK_WIDGET_CLASS (gs_window_parent_class)->hide (widget); + } +} + +void +gs_window_destroy (GSWindow *window) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + gs_window_cancel_unlock_request (window); + + gtk_widget_destroy (GTK_WIDGET (window)); +} + +GdkWindow * +gs_window_get_gdk_window (GSWindow *window) +{ + g_return_val_if_fail (GS_IS_WINDOW (window), NULL); + + return GTK_WIDGET (window)->window; +} + +GtkWidget * +gs_window_get_drawing_area (GSWindow *window) +{ + g_return_val_if_fail (GS_IS_WINDOW (window), NULL); + + return window->priv->drawing_area; +} + +/* just for debugging */ +static gboolean +error_watch (GIOChannel *source, + GIOCondition condition, + gpointer data) +{ + gboolean finished = FALSE; + + if (condition & G_IO_IN) + { + GIOStatus status; + GError *error = NULL; + char *line; + + line = NULL; + status = g_io_channel_read_line (source, &line, NULL, NULL, &error); + + switch (status) + { + case G_IO_STATUS_NORMAL: + gs_debug ("command error output: %s", line); + break; + case G_IO_STATUS_EOF: + finished = TRUE; + break; + case G_IO_STATUS_ERROR: + finished = TRUE; + gs_debug ("Error reading from child: %s\n", error->message); + g_error_free (error); + return FALSE; + case G_IO_STATUS_AGAIN: + default: + break; + } + g_free (line); + } + else if (condition & G_IO_HUP) + { + finished = TRUE; + } + + if (finished) + { + return FALSE; + } + + return TRUE; +} + +static gboolean +spawn_on_window (GSWindow *window, + char *command, + int *pid, + GIOFunc watch_func, + gpointer user_data, + gint *watch_id) +{ + int argc; + char **argv; + GError *error; + gboolean result; + GIOChannel *channel; + int standard_output; + int standard_error; + int child_pid; + int id; + + error = NULL; + if (! g_shell_parse_argv (command, &argc, &argv, &error)) + { + gs_debug ("Could not parse command: %s", error->message); + g_error_free (error); + return FALSE; + } + + error = NULL; + result = gdk_spawn_on_screen_with_pipes (GTK_WINDOW (window)->screen, + NULL, + argv, + NULL, + G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH, + NULL, + NULL, + &child_pid, + NULL, + &standard_output, + &standard_error, + &error); + + if (! result) + { + gs_debug ("Could not start command '%s': %s", command, error->message); + g_error_free (error); + g_strfreev (argv); + return FALSE; + } + + if (pid != NULL) + { + *pid = child_pid; + } + else + { + g_spawn_close_pid (child_pid); + } + + /* output channel */ + channel = g_io_channel_unix_new (standard_output); + g_io_channel_set_close_on_unref (channel, TRUE); + g_io_channel_set_flags (channel, + g_io_channel_get_flags (channel) | G_IO_FLAG_NONBLOCK, + NULL); + id = g_io_add_watch (channel, + G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL, + watch_func, + user_data); + if (watch_id != NULL) + { + *watch_id = id; + } + g_io_channel_unref (channel); + + /* error channel */ + channel = g_io_channel_unix_new (standard_error); + g_io_channel_set_close_on_unref (channel, TRUE); + g_io_channel_set_flags (channel, + g_io_channel_get_flags (channel) | G_IO_FLAG_NONBLOCK, + NULL); + id = g_io_add_watch (channel, + G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL, + error_watch, + NULL); + g_io_channel_unref (channel); + + g_strfreev (argv); + + return result; +} + +static void +lock_plug_added (GtkWidget *widget, + GSWindow *window) +{ + gtk_widget_show (widget); +} + +static gboolean +lock_plug_removed (GtkWidget *widget, + GSWindow *window) +{ + gtk_widget_hide (widget); + gtk_container_remove (GTK_CONTAINER (window->priv->vbox), GTK_WIDGET (window->priv->lock_box)); + window->priv->lock_box = NULL; + + return TRUE; +} + +static void +keyboard_plug_added (GtkWidget *widget, + GSWindow *window) +{ + gtk_widget_show (widget); +} + +static gboolean +keyboard_plug_removed (GtkWidget *widget, + GSWindow *window) +{ + gtk_widget_hide (widget); + gtk_container_remove (GTK_CONTAINER (window->priv->vbox), GTK_WIDGET (window->priv->keyboard_socket)); + + return TRUE; +} + +static void +keyboard_socket_destroyed (GtkWidget *widget, + GSWindow *window) +{ + g_signal_handlers_disconnect_by_func (widget, keyboard_socket_destroyed, window); + g_signal_handlers_disconnect_by_func (widget, keyboard_plug_added, window); + g_signal_handlers_disconnect_by_func (widget, keyboard_plug_removed, window); + + window->priv->keyboard_socket = NULL; +} + +static void +forward_key_events (GSWindow *window) +{ + window->priv->key_events = g_list_reverse (window->priv->key_events); + + while (window->priv->key_events != NULL) + { + GdkEventKey *event = window->priv->key_events->data; + + gtk_window_propagate_key_event (GTK_WINDOW (window), event); + + gdk_event_free ((GdkEvent *)event); + window->priv->key_events = g_list_delete_link (window->priv->key_events, + window->priv->key_events); + } +} + +static void +remove_key_events (GSWindow *window) +{ + window->priv->key_events = g_list_reverse (window->priv->key_events); + + while (window->priv->key_events) + { + GdkEventKey *event = window->priv->key_events->data; + + gdk_event_free ((GdkEvent *)event); + window->priv->key_events = g_list_delete_link (window->priv->key_events, + window->priv->key_events); + } +} + +static void +lock_socket_show (GtkWidget *widget, + GSWindow *window) +{ + gtk_widget_child_focus (window->priv->lock_socket, GTK_DIR_TAB_FORWARD); + + /* send queued events to the dialog */ + forward_key_events (window); +} + +static void +lock_socket_destroyed (GtkWidget *widget, + GSWindow *window) +{ + g_signal_handlers_disconnect_by_func (widget, lock_socket_show, window); + g_signal_handlers_disconnect_by_func (widget, lock_socket_destroyed, window); + g_signal_handlers_disconnect_by_func (widget, lock_plug_added, window); + g_signal_handlers_disconnect_by_func (widget, lock_plug_removed, window); + + window->priv->lock_socket = NULL; +} + +static void +create_keyboard_socket (GSWindow *window, + guint32 id) +{ + int height; + + height = (gdk_screen_get_height (gtk_widget_get_screen (GTK_WIDGET (window)))) / 4; + + window->priv->keyboard_socket = gtk_socket_new (); + gtk_widget_set_size_request (window->priv->keyboard_socket, -1, height); + + g_signal_connect (window->priv->keyboard_socket, "destroy", + G_CALLBACK (keyboard_socket_destroyed), window); + g_signal_connect (window->priv->keyboard_socket, "plug_added", + G_CALLBACK (keyboard_plug_added), window); + g_signal_connect (window->priv->keyboard_socket, "plug_removed", + G_CALLBACK (keyboard_plug_removed), window); + gtk_box_pack_start (GTK_BOX (window->priv->vbox), window->priv->keyboard_socket, FALSE, FALSE, 0); + gtk_socket_add_id (GTK_SOCKET (window->priv->keyboard_socket), id); +} + +/* adapted from gspawn.c */ +static int +wait_on_child (int pid) +{ + int status; + +wait_again: + if (waitpid (pid, &status, 0) < 0) + { + if (errno == EINTR) + { + goto wait_again; + } + else if (errno == ECHILD) + { + ; /* do nothing, child already reaped */ + } + else + { + gs_debug ("waitpid () should not fail in 'GSWindow'"); + } + } + + return status; +} + +static void +kill_keyboard_command (GSWindow *window) +{ + if (window->priv->keyboard_pid > 0) + { + signal_pid (window->priv->keyboard_pid, SIGTERM); + } +} + +static void +kill_dialog_command (GSWindow *window) +{ + /* If a dialog is up we need to signal it + and wait on it */ + if (window->priv->lock_pid > 0) + { + signal_pid (window->priv->lock_pid, SIGTERM); + } +} + +static void +keyboard_command_finish (GSWindow *window) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + /* send a signal just in case */ + kill_keyboard_command (window); + + gs_debug ("Keyboard finished"); + + if (window->priv->keyboard_pid > 0) + { + int exit_status; + + exit_status = wait_on_child (window->priv->keyboard_pid); + + g_spawn_close_pid (window->priv->keyboard_pid); + window->priv->keyboard_pid = 0; + } +} + +static gboolean +keyboard_command_watch (GIOChannel *source, + GIOCondition condition, + GSWindow *window) +{ + gboolean finished = FALSE; + + g_return_val_if_fail (GS_IS_WINDOW (window), FALSE); + + if (condition & G_IO_IN) + { + GIOStatus status; + GError *error = NULL; + char *line; + + line = NULL; + status = g_io_channel_read_line (source, &line, NULL, NULL, &error); + + switch (status) + { + case G_IO_STATUS_NORMAL: + { + guint32 id; + char c; + gs_debug ("keyboard command output: %s", line); + if (1 == sscanf (line, " %" G_GUINT32_FORMAT " %c", &id, &c)) + { + create_keyboard_socket (window, id); + } + } + break; + case G_IO_STATUS_EOF: + finished = TRUE; + break; + case G_IO_STATUS_ERROR: + finished = TRUE; + gs_debug ("Error reading from child: %s\n", error->message); + g_error_free (error); + return FALSE; + case G_IO_STATUS_AGAIN: + default: + break; + } + + g_free (line); + } + else if (condition & G_IO_HUP) + { + finished = TRUE; + } + + if (finished) + { + window->priv->keyboard_watch_id = 0; + keyboard_command_finish (window); + return FALSE; + } + + return TRUE; +} + +static void +embed_keyboard (GSWindow *window) +{ + gboolean res; + + if (! window->priv->keyboard_enabled + || window->priv->keyboard_command == NULL) + return; + + gs_debug ("Adding embedded keyboard widget"); + + /* FIXME: verify command is safe */ + + gs_debug ("Running command: %s", window->priv->keyboard_command); + + res = spawn_on_window (window, + window->priv->keyboard_command, + &window->priv->keyboard_pid, + (GIOFunc)keyboard_command_watch, + window, + &window->priv->keyboard_watch_id); + if (! res) + { + gs_debug ("Could not start command: %s", window->priv->keyboard_command); + } +} + +static void +create_lock_socket (GSWindow *window, + guint32 id) +{ + window->priv->lock_socket = gtk_socket_new (); + window->priv->lock_box = gtk_alignment_new (0.5, 0.5, 0, 0); + gtk_widget_show (window->priv->lock_box); + gtk_box_pack_start (GTK_BOX (window->priv->vbox), window->priv->lock_box, TRUE, TRUE, 0); + + gtk_container_add (GTK_CONTAINER (window->priv->lock_box), window->priv->lock_socket); + + g_signal_connect (window->priv->lock_socket, "show", + G_CALLBACK (lock_socket_show), window); + g_signal_connect (window->priv->lock_socket, "destroy", + G_CALLBACK (lock_socket_destroyed), window); + g_signal_connect (window->priv->lock_socket, "plug_added", + G_CALLBACK (lock_plug_added), window); + g_signal_connect (window->priv->lock_socket, "plug_removed", + G_CALLBACK (lock_plug_removed), window); + + gtk_socket_add_id (GTK_SOCKET (window->priv->lock_socket), id); + + if (window->priv->keyboard_enabled) + { + embed_keyboard (window); + } +} + +static void +gs_window_dialog_finish (GSWindow *window) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + gs_debug ("Dialog finished"); + + /* make sure we finish the keyboard thing too */ + keyboard_command_finish (window); + + /* send a signal just in case */ + kill_dialog_command (window); + + if (window->priv->lock_pid > 0) + { + int exit_status; + + exit_status = wait_on_child (window->priv->lock_pid); + + g_spawn_close_pid (window->priv->lock_pid); + window->priv->lock_pid = 0; + } + + /* remove events for the case were we failed to show socket */ + remove_key_events (window); +} + +static void +maybe_kill_dialog (GSWindow *window) +{ + if (!window->priv->dialog_shake_in_progress + && window->priv->dialog_quit_requested + && window->priv->lock_pid > 0) + { + kill (window->priv->lock_pid, SIGTERM); + } +} + +/* very rudimentary animation for indicating an auth failure */ +static void +shake_dialog (GSWindow *window) +{ + int i; + guint left; + guint right; + + window->priv->dialog_shake_in_progress = TRUE; + + for (i = 0; i < 9; i++) + { + if (i % 2 == 0) + { + left = 30; + right = 0; + } + else + { + left = 0; + right = 30; + } + + if (! window->priv->lock_box) + { + break; + } + + gtk_alignment_set_padding (GTK_ALIGNMENT (window->priv->lock_box), + 0, 0, + left, + right); + + while (gtk_events_pending ()) + { + gtk_main_iteration (); + } + + g_usleep (10000); + } + + window->priv->dialog_shake_in_progress = FALSE; + maybe_kill_dialog (window); +} + +static void +window_set_dialog_up (GSWindow *window, + gboolean dialog_up) +{ + if (window->priv->dialog_up == dialog_up) + { + return; + } + + window->priv->dialog_up = dialog_up; + g_object_notify (G_OBJECT (window), "dialog-up"); +} + +static void +popdown_dialog (GSWindow *window) +{ + gs_window_dialog_finish (window); + + gtk_widget_show (window->priv->drawing_area); + + gs_window_clear (window); + set_invisible_cursor (GTK_WIDGET (window)->window, TRUE); + + window_set_dialog_up (window, FALSE); + + /* reset the pointer positions */ + window->priv->last_x = -1; + window->priv->last_y = -1; + + if (window->priv->lock_box != NULL) + { + gtk_container_remove (GTK_CONTAINER (window->priv->vbox), GTK_WIDGET (window->priv->lock_box)); + window->priv->lock_box = NULL; + } + + remove_popup_dialog_idle (window); + remove_command_watches (window); +} + +static gboolean +lock_command_watch (GIOChannel *source, + GIOCondition condition, + GSWindow *window) +{ + gboolean finished = FALSE; + + g_return_val_if_fail (GS_IS_WINDOW (window), FALSE); + + if (condition & G_IO_IN) + { + GIOStatus status; + GError *error = NULL; + char *line; + + line = NULL; + status = g_io_channel_read_line (source, &line, NULL, NULL, &error); + + switch (status) + { + case G_IO_STATUS_NORMAL: + gs_debug ("command output: %s", line); + + if (strstr (line, "WINDOW ID=") != NULL) + { + guint32 id; + char c; + if (1 == sscanf (line, " WINDOW ID= %" G_GUINT32_FORMAT " %c", &id, &c)) + { + create_lock_socket (window, id); + } + } + else if (strstr (line, "NOTICE=") != NULL) + { + if (strstr (line, "NOTICE=AUTH FAILED") != NULL) + { + shake_dialog (window); + } + } + else if (strstr (line, "RESPONSE=") != NULL) + { + if (strstr (line, "RESPONSE=OK") != NULL) + { + gs_debug ("Got OK response"); + window->priv->dialog_response = DIALOG_RESPONSE_OK; + } + else + { + gs_debug ("Got CANCEL response"); + window->priv->dialog_response = DIALOG_RESPONSE_CANCEL; + } + finished = TRUE; + } + else if (strstr (line, "REQUEST QUIT") != NULL) + { + gs_debug ("Got request for quit"); + window->priv->dialog_quit_requested = TRUE; + maybe_kill_dialog (window); + } + break; + case G_IO_STATUS_EOF: + finished = TRUE; + break; + case G_IO_STATUS_ERROR: + finished = TRUE; + gs_debug ("Error reading from child: %s\n", error->message); + g_error_free (error); + return FALSE; + case G_IO_STATUS_AGAIN: + default: + break; + } + + g_free (line); + } + else if (condition & G_IO_HUP) + { + finished = TRUE; + } + + if (finished) + { + popdown_dialog (window); + + if (window->priv->dialog_response == DIALOG_RESPONSE_OK) + { + add_emit_deactivated_idle (window); + } + + window->priv->lock_watch_id = 0; + + return FALSE; + } + + return TRUE; +} + +static gboolean +is_logout_enabled (GSWindow *window) +{ + double elapsed; + + if (! window->priv->logout_enabled) + { + return FALSE; + } + + if (! window->priv->logout_command) + { + return FALSE; + } + + elapsed = g_timer_elapsed (window->priv->timer, NULL); + + if (window->priv->logout_timeout < (elapsed * 1000)) + { + return TRUE; + } + + return FALSE; +} + +static gboolean +is_user_switch_enabled (GSWindow *window) +{ + return window->priv->user_switch_enabled; +} + +static void +popup_dialog (GSWindow *window) +{ + gboolean result; + char *tmp; + GString *command; + + gs_debug ("Popping up dialog"); + + tmp = g_build_filename (LIBEXECDIR, "mate-screensaver-dialog", NULL); + command = g_string_new (tmp); + g_free (tmp); + + if (is_logout_enabled (window)) + { + command = g_string_append (command, " --enable-logout"); + g_string_append_printf (command, " --logout-command='%s'", window->priv->logout_command); + } + + if (window->priv->status_message) + { + char *quoted; + + quoted = g_shell_quote (window->priv->status_message); + g_string_append_printf (command, " --status-message=%s", quoted); + g_free (quoted); + } + + if (is_user_switch_enabled (window)) + { + command = g_string_append (command, " --enable-switch"); + } + + if (gs_debug_enabled ()) + { + command = g_string_append (command, " --verbose"); + } + + gtk_widget_hide (window->priv->drawing_area); + + gs_window_clear_to_background_pixmap (window); + + set_invisible_cursor (GTK_WIDGET (window)->window, FALSE); + + window->priv->dialog_quit_requested = FALSE; + window->priv->dialog_shake_in_progress = FALSE; + + result = spawn_on_window (window, + command->str, + &window->priv->lock_pid, + (GIOFunc)lock_command_watch, + window, + &window->priv->lock_watch_id); + if (! result) + { + gs_debug ("Could not start command: %s", command->str); + } + + g_string_free (command, TRUE); +} + +static gboolean +popup_dialog_idle (GSWindow *window) +{ + popup_dialog (window); + + window->priv->popup_dialog_idle_id = 0; + + return FALSE; +} + +void +gs_window_request_unlock (GSWindow *window) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + gs_debug ("Requesting unlock"); + + if (! GTK_WIDGET_VISIBLE (GTK_WIDGET (window))) + { + gs_debug ("Request unlock but window is not visible!"); + return; + } + + if (window->priv->lock_watch_id > 0) + { + return; + } + + if (! window->priv->lock_enabled) + { + add_emit_deactivated_idle (window); + + return; + } + + if (window->priv->popup_dialog_idle_id == 0) + { + add_popup_dialog_idle (window); + } + + window_set_dialog_up (window, TRUE); +} + +void +gs_window_cancel_unlock_request (GSWindow *window) +{ + /* FIXME: This is a bit of a hammer approach... + * Maybe we should send a delete-event to + * the plug? + */ + g_return_if_fail (GS_IS_WINDOW (window)); + + popdown_dialog (window); +} + +void +gs_window_set_lock_enabled (GSWindow *window, + gboolean lock_enabled) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + if (window->priv->lock_enabled == lock_enabled) + { + return; + } + + window->priv->lock_enabled = lock_enabled; + g_object_notify (G_OBJECT (window), "lock-enabled"); +} + +void +gs_window_set_screen (GSWindow *window, + GdkScreen *screen) +{ + + g_return_if_fail (GS_IS_WINDOW (window)); + g_return_if_fail (GDK_IS_SCREEN (screen)); + + gtk_window_set_screen (GTK_WINDOW (window), screen); +} + +GdkScreen * +gs_window_get_screen (GSWindow *window) +{ + g_return_val_if_fail (GS_IS_WINDOW (window), NULL); + + return GTK_WINDOW (window)->screen; +} + +void +gs_window_set_keyboard_enabled (GSWindow *window, + gboolean enabled) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + window->priv->keyboard_enabled = enabled; +} + +void +gs_window_set_keyboard_command (GSWindow *window, + const char *command) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + g_free (window->priv->keyboard_command); + + if (command != NULL) + { + window->priv->keyboard_command = g_strdup (command); + } + else + { + window->priv->keyboard_command = NULL; + } +} + +void +gs_window_set_logout_enabled (GSWindow *window, + gboolean logout_enabled) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + window->priv->logout_enabled = logout_enabled; +} + +void +gs_window_set_user_switch_enabled (GSWindow *window, + gboolean user_switch_enabled) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + window->priv->user_switch_enabled = user_switch_enabled; +} + +void +gs_window_set_logout_timeout (GSWindow *window, + glong logout_timeout) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + if (logout_timeout < 0) + { + window->priv->logout_timeout = 0; + } + else + { + window->priv->logout_timeout = logout_timeout; + } +} + +void +gs_window_set_logout_command (GSWindow *window, + const char *command) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + g_free (window->priv->logout_command); + + if (command) + { + window->priv->logout_command = g_strdup (command); + } + else + { + window->priv->logout_command = NULL; + } +} + +void +gs_window_set_status_message (GSWindow *window, + const char *status_message) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + g_free (window->priv->status_message); + window->priv->status_message = g_strdup (status_message); +} + +void +gs_window_set_monitor (GSWindow *window, + int monitor) +{ + g_return_if_fail (GS_IS_WINDOW (window)); + + if (window->priv->monitor == monitor) + { + return; + } + + window->priv->monitor = monitor; + + gtk_widget_queue_resize (GTK_WIDGET (window)); + + g_object_notify (G_OBJECT (window), "monitor"); +} + +int +gs_window_get_monitor (GSWindow *window) +{ + g_return_val_if_fail (GS_IS_WINDOW (window), -1); + + return window->priv->monitor; +} + +static void +gs_window_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + GSWindow *self; + + self = GS_WINDOW (object); + + switch (prop_id) + { + case PROP_LOCK_ENABLED: + gs_window_set_lock_enabled (self, g_value_get_boolean (value)); + break; + case PROP_KEYBOARD_ENABLED: + gs_window_set_keyboard_enabled (self, g_value_get_boolean (value)); + break; + case PROP_KEYBOARD_COMMAND: + gs_window_set_keyboard_command (self, g_value_get_string (value)); + break; + case PROP_LOGOUT_ENABLED: + gs_window_set_logout_enabled (self, g_value_get_boolean (value)); + break; + case PROP_LOGOUT_COMMAND: + gs_window_set_logout_command (self, g_value_get_string (value)); + break; + case PROP_STATUS_MESSAGE: + gs_window_set_status_message (self, g_value_get_string (value)); + break; + case PROP_LOGOUT_TIMEOUT: + gs_window_set_logout_timeout (self, g_value_get_long (value)); + break; + case PROP_MONITOR: + gs_window_set_monitor (self, g_value_get_int (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gs_window_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + GSWindow *self; + + self = GS_WINDOW (object); + + switch (prop_id) + { + case PROP_LOCK_ENABLED: + g_value_set_boolean (value, self->priv->lock_enabled); + break; + case PROP_KEYBOARD_ENABLED: + g_value_set_boolean (value, self->priv->keyboard_enabled); + break; + case PROP_KEYBOARD_COMMAND: + g_value_set_string (value, self->priv->keyboard_command); + break; + case PROP_LOGOUT_ENABLED: + g_value_set_boolean (value, self->priv->logout_enabled); + break; + case PROP_LOGOUT_COMMAND: + g_value_set_string (value, self->priv->logout_command); + break; + case PROP_STATUS_MESSAGE: + g_value_set_string (value, self->priv->status_message); + break; + case PROP_LOGOUT_TIMEOUT: + g_value_set_long (value, self->priv->logout_timeout); + break; + case PROP_MONITOR: + g_value_set_int (value, self->priv->monitor); + break; + case PROP_OBSCURED: + g_value_set_boolean (value, self->priv->obscured); + break; + case PROP_DIALOG_UP: + g_value_set_boolean (value, self->priv->dialog_up); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +queue_key_event (GSWindow *window, + GdkEventKey *event) +{ + /* Eat the first return, enter, escape, or space */ + if (window->priv->key_events == NULL + && (event->keyval == GDK_Return + || event->keyval == GDK_KP_Enter + || event->keyval == GDK_Escape + || event->keyval == GDK_space)) + { + return; + } + + /* Only cache MAX_QUEUED_EVENTS key events. If there are any more than this then + something is wrong */ + /* Don't queue keys that may cause focus navigation in the dialog */ + if (g_list_length (window->priv->key_events) < MAX_QUEUED_EVENTS + && event->keyval != GDK_Tab + && event->keyval != GDK_Up + && event->keyval != GDK_Down) + { + window->priv->key_events = g_list_prepend (window->priv->key_events, + gdk_event_copy ((GdkEvent *)event)); + } +} + +static gboolean +maybe_handle_activity (GSWindow *window) +{ + gboolean handled; + + handled = FALSE; + + /* if we already have a socket then don't bother */ + if (! window->priv->lock_socket + && GTK_WIDGET_IS_SENSITIVE (GTK_WIDGET (window))) + { + g_signal_emit (window, signals [ACTIVITY], 0, &handled); + } + + return handled; +} + +static gboolean +gs_window_real_key_press_event (GtkWidget *widget, + GdkEventKey *event) +{ + /*g_message ("KEY PRESS state: %u keyval %u", event->state, event->keyval);*/ + + /* Ignore brightness keys */ + if (event->hardware_keycode == 101 || event->hardware_keycode == 212) + { + gs_debug ("Ignoring brightness keys"); + return TRUE; + } + + maybe_handle_activity (GS_WINDOW (widget)); + + queue_key_event (GS_WINDOW (widget), event); + + if (GTK_WIDGET_CLASS (gs_window_parent_class)->key_press_event) + { + GTK_WIDGET_CLASS (gs_window_parent_class)->key_press_event (widget, event); + } + + return TRUE; +} + +static gboolean +gs_window_real_motion_notify_event (GtkWidget *widget, + GdkEventMotion *event) +{ + GSWindow *window; + gdouble distance; + gdouble min_distance; + gdouble min_percentage = 0.1; + GdkScreen *screen; + + window = GS_WINDOW (widget); + + screen = gs_window_get_screen (window); + min_distance = gdk_screen_get_width (screen) * min_percentage; + + /* if the last position was not set then don't detect motion */ + if (window->priv->last_x < 0 || window->priv->last_y < 0) + { + window->priv->last_x = event->x; + window->priv->last_y = event->y; + + return FALSE; + } + + /* just an approximate distance */ + distance = MAX (ABS (window->priv->last_x - event->x), + ABS (window->priv->last_y - event->y)); + + if (distance > min_distance) + { + maybe_handle_activity (window); + + window->priv->last_x = -1; + window->priv->last_y = -1; + } + + return FALSE; +} + +static gboolean +gs_window_real_button_press_event (GtkWidget *widget, + GdkEventButton *event) +{ + GSWindow *window; + + window = GS_WINDOW (widget); + maybe_handle_activity (window); + + return FALSE; +} + +static gboolean +gs_window_real_scroll_event (GtkWidget *widget, + GdkEventScroll *event) +{ + GSWindow *window; + + window = GS_WINDOW (widget); + maybe_handle_activity (window); + + return FALSE; +} + +static void +gs_window_real_size_request (GtkWidget *widget, + GtkRequisition *requisition) +{ + GSWindow *window; + GtkBin *bin; + GdkRectangle old_geometry; + int position_changed = FALSE; + int size_changed = FALSE; + + window = GS_WINDOW (widget); + bin = GTK_BIN (widget); + + if (bin->child && GTK_WIDGET_VISIBLE (bin->child)) + { + gtk_widget_size_request (bin->child, requisition); + } + + old_geometry = window->priv->geometry; + + update_geometry (window); + + requisition->width = window->priv->geometry.width; + requisition->height = window->priv->geometry.height; + + if (! GTK_WIDGET_REALIZED (widget)) + { + return; + } + + if (old_geometry.width != window->priv->geometry.width || + old_geometry.height != window->priv->geometry.height) + { + size_changed = TRUE; + } + + if (old_geometry.x != window->priv->geometry.x || + old_geometry.y != window->priv->geometry.y) + { + position_changed = TRUE; + } + + gs_window_move_resize_window (window, position_changed, size_changed); +} + +static gboolean +gs_window_real_grab_broken (GtkWidget *widget, + GdkEventGrabBroken *event) +{ + if (event->grab_window != NULL) + { + gs_debug ("Grab broken on window %X %s, new grab on window %X", + (guint32) GDK_WINDOW_XID (event->window), + event->keyboard ? "keyboard" : "pointer", + (guint32) GDK_WINDOW_XID (event->grab_window)); + } + else + { + gs_debug ("Grab broken on window %X %s, new grab is outside application", + (guint32) GDK_WINDOW_XID (event->window), + event->keyboard ? "keyboard" : "pointer"); + } + + return FALSE; +} + +gboolean +gs_window_is_obscured (GSWindow *window) +{ + g_return_val_if_fail (GS_IS_WINDOW (window), FALSE); + + return window->priv->obscured; +} + +gboolean +gs_window_is_dialog_up (GSWindow *window) +{ + g_return_val_if_fail (GS_IS_WINDOW (window), FALSE); + + return window->priv->dialog_up; +} + +static void +window_set_obscured (GSWindow *window, + gboolean obscured) +{ + if (window->priv->obscured == obscured) + { + return; + } + + window->priv->obscured = obscured; + g_object_notify (G_OBJECT (window), "obscured"); +} + +static gboolean +gs_window_real_visibility_notify_event (GtkWidget *widget, + GdkEventVisibility *event) +{ + switch (event->state) + { + case GDK_VISIBILITY_FULLY_OBSCURED: + window_set_obscured (GS_WINDOW (widget), TRUE); + break; + case GDK_VISIBILITY_PARTIAL: + break; + case GDK_VISIBILITY_UNOBSCURED: + window_set_obscured (GS_WINDOW (widget), FALSE); + break; + default: + break; + } + + return FALSE; +} + +static void +gs_window_class_init (GSWindowClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + + object_class->finalize = gs_window_finalize; + object_class->get_property = gs_window_get_property; + object_class->set_property = gs_window_set_property; + + widget_class->show = gs_window_real_show; + widget_class->hide = gs_window_real_hide; + widget_class->realize = gs_window_real_realize; + widget_class->unrealize = gs_window_real_unrealize; + widget_class->key_press_event = gs_window_real_key_press_event; + widget_class->motion_notify_event = gs_window_real_motion_notify_event; + widget_class->button_press_event = gs_window_real_button_press_event; + widget_class->scroll_event = gs_window_real_scroll_event; + widget_class->size_request = gs_window_real_size_request; + widget_class->grab_broken_event = gs_window_real_grab_broken; + widget_class->visibility_notify_event = gs_window_real_visibility_notify_event; + + g_type_class_add_private (klass, sizeof (GSWindowPrivate)); + + signals [ACTIVITY] = + g_signal_new ("activity", + G_TYPE_FROM_CLASS (object_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (GSWindowClass, activity), + NULL, + NULL, + gs_marshal_BOOLEAN__VOID, + G_TYPE_BOOLEAN, + 0); + signals [DEACTIVATED] = + g_signal_new ("deactivated", + G_TYPE_FROM_CLASS (object_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (GSWindowClass, deactivated), + NULL, + NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, + 0); + + g_object_class_install_property (object_class, + PROP_OBSCURED, + g_param_spec_boolean ("obscured", + NULL, + NULL, + FALSE, + G_PARAM_READABLE)); + g_object_class_install_property (object_class, + PROP_DIALOG_UP, + g_param_spec_boolean ("dialog-up", + NULL, + NULL, + FALSE, + G_PARAM_READABLE)); + g_object_class_install_property (object_class, + PROP_LOCK_ENABLED, + g_param_spec_boolean ("lock-enabled", + NULL, + NULL, + FALSE, + G_PARAM_READWRITE)); + g_object_class_install_property (object_class, + PROP_LOGOUT_ENABLED, + g_param_spec_boolean ("logout-enabled", + NULL, + NULL, + FALSE, + G_PARAM_READWRITE)); + g_object_class_install_property (object_class, + PROP_LOGOUT_TIMEOUT, + g_param_spec_long ("logout-timeout", + NULL, + NULL, + -1, + G_MAXLONG, + 0, + G_PARAM_READWRITE)); + g_object_class_install_property (object_class, + PROP_LOGOUT_COMMAND, + g_param_spec_string ("logout-command", + NULL, + NULL, + NULL, + G_PARAM_READWRITE)); + g_object_class_install_property (object_class, + PROP_STATUS_MESSAGE, + g_param_spec_string ("status-message", + NULL, + NULL, + NULL, + G_PARAM_READWRITE)); + g_object_class_install_property (object_class, + PROP_KEYBOARD_ENABLED, + g_param_spec_boolean ("keyboard-enabled", + NULL, + NULL, + FALSE, + G_PARAM_READWRITE)); + g_object_class_install_property (object_class, + PROP_KEYBOARD_COMMAND, + g_param_spec_string ("keyboard-command", + NULL, + NULL, + NULL, + G_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_MONITOR, + g_param_spec_int ("monitor", + "Xinerama monitor", + "The monitor (in terms of Xinerama) which the window is on", + 0, + G_MAXINT, + 0, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); + +} + +static void +create_info_bar (GSWindow *window) +{ + window->priv->info_bar = gtk_info_bar_new (); + gtk_widget_set_no_show_all (window->priv->info_bar, TRUE); + gtk_box_pack_end (GTK_BOX (window->priv->vbox), window->priv->info_bar, FALSE, FALSE, 0); +} + +static void +gs_window_init (GSWindow *window) +{ + window->priv = GS_WINDOW_GET_PRIVATE (window); + + window->priv->geometry.x = -1; + window->priv->geometry.y = -1; + window->priv->geometry.width = -1; + window->priv->geometry.height = -1; + + window->priv->last_x = -1; + window->priv->last_y = -1; + + gtk_window_set_decorated (GTK_WINDOW (window), FALSE); + + gtk_window_set_skip_taskbar_hint (GTK_WINDOW (window), TRUE); + gtk_window_set_skip_pager_hint (GTK_WINDOW (window), TRUE); + + gtk_window_set_keep_above (GTK_WINDOW (window), TRUE); + + gtk_window_fullscreen (GTK_WINDOW (window)); + + gtk_widget_set_events (GTK_WIDGET (window), + gtk_widget_get_events (GTK_WIDGET (window)) + | GDK_POINTER_MOTION_MASK + | GDK_BUTTON_PRESS_MASK + | GDK_BUTTON_RELEASE_MASK + | GDK_KEY_PRESS_MASK + | GDK_KEY_RELEASE_MASK + | GDK_EXPOSURE_MASK + | GDK_VISIBILITY_NOTIFY_MASK + | GDK_ENTER_NOTIFY_MASK + | GDK_LEAVE_NOTIFY_MASK); + + window->priv->vbox = gtk_vbox_new (FALSE, 12); + gtk_widget_show (window->priv->vbox); + gtk_container_add (GTK_CONTAINER (window), window->priv->vbox); + + window->priv->drawing_area = gtk_drawing_area_new (); + gtk_widget_show (window->priv->drawing_area); + gtk_box_pack_start (GTK_BOX (window->priv->vbox), window->priv->drawing_area, TRUE, TRUE, 0); + create_info_bar (window); + + force_no_pixmap_background (window->priv->drawing_area); +} + +static void +remove_command_watches (GSWindow *window) +{ + if (window->priv->lock_watch_id != 0) + { + g_source_remove (window->priv->lock_watch_id); + window->priv->lock_watch_id = 0; + } + if (window->priv->keyboard_watch_id != 0) + { + g_source_remove (window->priv->keyboard_watch_id); + window->priv->keyboard_watch_id = 0; + } +} + +static void +gs_window_finalize (GObject *object) +{ + GSWindow *window; + + g_return_if_fail (object != NULL); + g_return_if_fail (GS_IS_WINDOW (object)); + + window = GS_WINDOW (object); + + g_return_if_fail (window->priv != NULL); + + g_free (window->priv->logout_command); + g_free (window->priv->keyboard_command); + + if (window->priv->info_bar_timer_id > 0) + { + g_source_remove (window->priv->info_bar_timer_id); + } + + remove_watchdog_timer (window); + remove_popup_dialog_idle (window); + + if (window->priv->timer) + { + g_timer_destroy (window->priv->timer); + } + + remove_key_events (window); + + remove_command_watches (window); + + gs_window_dialog_finish (window); + + if (window->priv->background_pixmap) + { + g_object_unref (window->priv->background_pixmap); + } + + G_OBJECT_CLASS (gs_window_parent_class)->finalize (object); +} + +GSWindow * +gs_window_new (GdkScreen *screen, + int monitor, + gboolean lock_enabled) +{ + GObject *result; + + result = g_object_new (GS_TYPE_WINDOW, + "type", GTK_WINDOW_POPUP, + "screen", screen, + "monitor", monitor, + "lock-enabled", lock_enabled, + NULL); + + return GS_WINDOW (result); +} |