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Make tile preview a compositor plugin effect

Browse Source 
https://bugzilla.gnome.org/show_bug.cgi?id=665758
This commit is contained in:
Stefano Facchini 2012-03-24 11:29:39 +01:00 committed by Florian Müllner
parent 0fe5c4f957
commit 21e94ed109
15 changed files with 216 additions and 280 deletions
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2
src/Makefile.am
View File

@ -163,8 +163,6 @@ libmutter_la_SOURCES = \
ui/resizepopup.h \
ui/tabpopup.c \
ui/tabpopup.h \
ui/tile-preview.c \
ui/tile-preview.h \
ui/theme-parser.c \
ui/theme.c \
meta/theme.h \

28
src/compositor/compositor.c
View File

@ -1647,3 +1647,31 @@ meta_compositor_monotonic_time_to_server_time (MetaDisplay *display,
else
return monotonic_time + compositor->server_time_offset;
}
void
meta_compositor_show_tile_preview (MetaCompositor *compositor,
MetaScreen *screen,
MetaWindow *window,
MetaRectangle *tile_rect,
int tile_monitor_number)
{
MetaCompScreen *info = meta_screen_get_compositor_data (screen);
if (!info->plugin_mgr)
return;
meta_plugin_manager_show_tile_preview (info->plugin_mgr,
window, tile_rect, tile_monitor_number);
}
void
meta_compositor_hide_tile_preview (MetaCompositor *compositor,
MetaScreen *screen)
{
MetaCompScreen *info = meta_screen_get_compositor_data (screen);
if (!info->plugin_mgr)
return;
meta_plugin_manager_hide_tile_preview (info->plugin_mgr);
}

41
src/compositor/meta-plugin-manager.c
View File

@ -326,3 +326,44 @@ meta_plugin_manager_confirm_display_change (MetaPluginManager *plugin_mgr)
else
return meta_plugin_complete_display_change (plugin, TRUE);
}
gboolean
meta_plugin_manager_show_tile_preview (MetaPluginManager *plugin_mgr,
MetaWindow *window,
MetaRectangle *tile_rect,
int tile_monitor_number)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
MetaDisplay *display = meta_screen_get_display (plugin_mgr->screen);
if (display->display_opening)
return FALSE;
if (klass->show_tile_preview)
{
klass->show_tile_preview (plugin, window, tile_rect, tile_monitor_number);
return TRUE;
}
return FALSE;
}
gboolean
meta_plugin_manager_hide_tile_preview (MetaPluginManager *plugin_mgr)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
MetaDisplay *display = meta_screen_get_display (plugin_mgr->screen);
if (display->display_opening)
return FALSE;
if (klass->hide_tile_preview)
{
klass->hide_tile_preview (plugin);
return TRUE;
}
return FALSE;
}

5
src/compositor/meta-plugin-manager.h
View File

@ -77,4 +77,9 @@ gboolean _meta_plugin_xevent_filter (MetaPlugin *plugin,
void meta_plugin_manager_confirm_display_change (MetaPluginManager *mgr);
gboolean meta_plugin_manager_show_tile_preview (MetaPluginManager *mgr,
MetaWindow *window,
MetaRectangle *tile_rect,
int tile_monitor_number);
gboolean meta_plugin_manager_hide_tile_preview (MetaPluginManager *mgr);
#endif

95
src/compositor/plugins/default.c
View File

@ -42,6 +42,7 @@
#define SWITCH_TIMEOUT 500
#define ACTOR_DATA_KEY "MCCP-Default-actor-data"
#define SCREEN_TILE_PREVIEW_DATA_KEY "MCCP-Default-screen-tile-preview-data"
#define META_TYPE_DEFAULT_PLUGIN (meta_default_plugin_get_type ())
#define META_DEFAULT_PLUGIN(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_DEFAULT_PLUGIN, MetaDefaultPlugin))
@ -70,6 +71,7 @@ struct _MetaDefaultPluginClass
};
static GQuark actor_data_quark = 0;
static GQuark screen_tile_preview_data_quark = 0;
static void start (MetaPlugin *plugin);
static void minimize (MetaPlugin *plugin,
@ -100,6 +102,12 @@ static void kill_window_effects (MetaPlugin *plugin,
MetaWindowActor *actor);
static void kill_switch_workspace (MetaPlugin *plugin);
static void show_tile_preview (MetaPlugin *plugin,
MetaWindow *window,
MetaRectangle *tile_rect,
int tile_monitor_number);
static void hide_tile_preview (MetaPlugin *plugin);
static void confirm_display_change (MetaPlugin *plugin);
static const MetaPluginInfo * plugin_info (MetaPlugin *plugin);
@ -146,6 +154,15 @@ typedef struct
} EffectCompleteData;
typedef struct _ScreenTilePreview
{
ClutterActor *actor;
GdkRGBA *preview_color;
MetaRectangle tile_rect;
} ScreenTilePreview;
static void
meta_default_plugin_dispose (GObject *object)
{
@ -206,6 +223,8 @@ meta_default_plugin_class_init (MetaDefaultPluginClass *klass)
plugin_class->unmaximize = unmaximize;
plugin_class->destroy = destroy;
plugin_class->switch_workspace = switch_workspace;
plugin_class->show_tile_preview = show_tile_preview;
plugin_class->hide_tile_preview = hide_tile_preview;
plugin_class->plugin_info = plugin_info;
plugin_class->kill_window_effects = kill_window_effects;
plugin_class->kill_switch_workspace = kill_switch_workspace;
@ -785,6 +804,82 @@ destroy (MetaPlugin *plugin, MetaWindowActor *window_actor)
meta_plugin_destroy_completed (plugin, window_actor);
}
/*
* Tile preview private data accessor
*/
static void
free_screen_tile_preview (gpointer data)
{
ScreenTilePreview *preview = data;
if (G_LIKELY (preview != NULL)) {
clutter_actor_destroy (preview->actor);
g_slice_free (ScreenTilePreview, preview);
}
}
static ScreenTilePreview *
get_screen_tile_preview (MetaScreen *screen)
{
ScreenTilePreview *preview = g_object_get_qdata (G_OBJECT (screen), screen_tile_preview_data_quark);
if (G_UNLIKELY (screen_tile_preview_data_quark == 0))
screen_tile_preview_data_quark = g_quark_from_static_string (SCREEN_TILE_PREVIEW_DATA_KEY);
if (G_UNLIKELY (!preview))
{
preview = g_slice_new0 (ScreenTilePreview);
preview->actor = clutter_actor_new ();
clutter_actor_set_background_color (preview->actor, CLUTTER_COLOR_Blue);
clutter_actor_set_opacity (preview->actor, 100);
clutter_actor_add_child (meta_get_window_group_for_screen (screen), preview->actor);
g_object_set_qdata_full (G_OBJECT (screen),
screen_tile_preview_data_quark, preview,
free_screen_tile_preview);
}
return preview;
}
static void
show_tile_preview (MetaPlugin *plugin,
MetaWindow *window,
MetaRectangle *tile_rect,
int tile_monitor_number)
{
MetaScreen *screen = meta_plugin_get_screen (plugin);
ScreenTilePreview *preview = get_screen_tile_preview (screen);
ClutterActor *window_actor;
if (CLUTTER_ACTOR_IS_VISIBLE (preview->actor)
&& preview->tile_rect.x == tile_rect->x
&& preview->tile_rect.y == tile_rect->y
&& preview->tile_rect.width == tile_rect->width
&& preview->tile_rect.height == tile_rect->height)
return; /* nothing to do */
clutter_actor_set_position (preview->actor, tile_rect->x, tile_rect->y);
clutter_actor_set_size (preview->actor, tile_rect->width, tile_rect->height);
clutter_actor_show (preview->actor);
window_actor = CLUTTER_ACTOR (meta_window_get_compositor_private (window));
clutter_actor_lower (preview->actor, window_actor);
preview->tile_rect = *tile_rect;
}
static void
hide_tile_preview (MetaPlugin *plugin)
{
MetaScreen *screen = meta_plugin_get_screen (plugin);
ScreenTilePreview *preview = get_screen_tile_preview (screen);
clutter_actor_hide (preview->actor);
}
static void
kill_switch_workspace (MetaPlugin *plugin)
{

2
src/core/keybindings.c
View File

@ -2209,7 +2209,7 @@ process_mouse_move_resize_grab (MetaDisplay *display,
{
/* Hide the tiling preview if necessary */
if (window->tile_mode != META_TILE_NONE)
meta_screen_tile_preview_hide (screen);
meta_screen_hide_tile_preview (screen);
/* Restore the original tile mode */
window->tile_mode = display->grab_tile_mode;

5
src/core/screen-private.h
View File

@ -67,7 +67,6 @@ struct _MetaScreen
MetaRectangle rect; /* Size of screen; rect.x & rect.y are always 0 */
MetaUI *ui;
MetaTabPopup *tab_popup, *ws_popup;
MetaTilePreview *tile_preview;
guint tile_preview_timeout_id;
@ -169,9 +168,9 @@ void meta_screen_workspace_popup_select (MetaScreen *screen,
MetaWorkspace*meta_screen_workspace_popup_get_selected (MetaScreen *screen);
void meta_screen_workspace_popup_destroy (MetaScreen *screen);
void meta_screen_tile_preview_update (MetaScreen *screen,
void meta_screen_update_tile_preview (MetaScreen *screen,
gboolean delay);
void meta_screen_tile_preview_hide (MetaScreen *screen);
void meta_screen_hide_tile_preview (MetaScreen *screen);
MetaWindow* meta_screen_get_mouse_window (MetaScreen *screen,
MetaWindow *not_this_one);

39
src/core/screen.c
View File

@ -763,7 +763,6 @@ meta_screen_new (MetaDisplay *display,
screen->tab_popup = NULL;
screen->ws_popup = NULL;
screen->tile_preview = NULL;
screen->tile_preview_timeout_id = 0;
@ -869,9 +868,6 @@ meta_screen_free (MetaScreen *screen,
if (screen->tile_preview_timeout_id)
g_source_remove (screen->tile_preview_timeout_id);
if (screen->tile_preview)
meta_tile_preview_free (screen->tile_preview);
g_free (screen->screen_name);
g_object_unref (screen);
@ -1730,7 +1726,7 @@ meta_screen_workspace_popup_destroy (MetaScreen *screen)
}
static gboolean
meta_screen_tile_preview_update_timeout (gpointer data)
meta_screen_update_tile_preview_timeout (gpointer data)
{
MetaScreen *screen = data;
MetaWindow *window = screen->display->grab_window;
@ -1738,19 +1734,6 @@ meta_screen_tile_preview_update_timeout (gpointer data)
screen->tile_preview_timeout_id = 0;
if (!screen->tile_preview)
{
Window xwindow;
gulong create_serial;
screen->tile_preview = meta_tile_preview_new (screen->number);
xwindow = meta_tile_preview_get_xwindow (screen->tile_preview,
&create_serial);
meta_stack_tracker_record_add (screen->stack_tracker,
xwindow,
create_serial);
}
if (window)
{
switch (window->tile_mode)
@ -1775,12 +1758,16 @@ meta_screen_tile_preview_update_timeout (gpointer data)
if (needs_preview)
{
MetaRectangle tile_rect;
int monitor;
monitor = meta_window_get_current_tile_monitor_number (window);
meta_window_get_current_tile_area (window, &tile_rect);
meta_tile_preview_show (screen->tile_preview, &tile_rect);
meta_compositor_show_tile_preview (screen->display->compositor,
screen, window, &tile_rect, monitor);
}
else
meta_tile_preview_hide (screen->tile_preview);
meta_compositor_hide_tile_preview (screen->display->compositor,
screen);
return FALSE;
}
@ -1788,7 +1775,7 @@ meta_screen_tile_preview_update_timeout (gpointer data)
#define TILE_PREVIEW_TIMEOUT_MS 200
void
meta_screen_tile_preview_update (MetaScreen *screen,
meta_screen_update_tile_preview (MetaScreen *screen,
gboolean delay)
{
if (delay)
@ -1798,7 +1785,7 @@ meta_screen_tile_preview_update (MetaScreen *screen,
screen->tile_preview_timeout_id =
g_timeout_add (TILE_PREVIEW_TIMEOUT_MS,
meta_screen_tile_preview_update_timeout,
meta_screen_update_tile_preview_timeout,
screen);
}
else
@ -1806,18 +1793,18 @@ meta_screen_tile_preview_update (MetaScreen *screen,
if (screen->tile_preview_timeout_id > 0)
g_source_remove (screen->tile_preview_timeout_id);
meta_screen_tile_preview_update_timeout ((gpointer)screen);
meta_screen_update_tile_preview_timeout ((gpointer)screen);
}
}
void
meta_screen_tile_preview_hide (MetaScreen *screen)
meta_screen_hide_tile_preview (MetaScreen *screen)
{
if (screen->tile_preview_timeout_id > 0)
g_source_remove (screen->tile_preview_timeout_id);
if (screen->tile_preview)
meta_tile_preview_hide (screen->tile_preview);
meta_compositor_hide_tile_preview (screen->display->compositor,
screen);
}
MetaWindow*

1
src/core/window-private.h
View File

@ -629,6 +629,7 @@ void meta_window_handle_mouse_grab_op_event (MetaWindow *window,
GList* meta_window_get_workspaces (MetaWindow *window);
int meta_window_get_current_tile_monitor_number (MetaWindow *window);
void meta_window_get_current_tile_area (MetaWindow *window,
MetaRectangle *tile_area);

28
src/core/window.c
View File

@ -1404,9 +1404,6 @@ meta_window_new_with_attrs (MetaDisplay *display,
if (!window->override_redirect)
meta_stack_add (window->screen->stack,
window);
else if (window->screen->tile_preview != NULL &&
meta_tile_preview_get_xwindow (window->screen->tile_preview, NULL) == xwindow)
window->layer = META_LAYER_NORMAL;
else
window->layer = META_LAYER_OVERRIDE_REDIRECT; /* otherwise set by MetaStack */
@ -3784,7 +3781,7 @@ meta_window_tile (MetaWindow *window)
directions = META_MAXIMIZE_VERTICAL;
meta_window_maximize_internal (window, directions, NULL);
meta_screen_tile_preview_update (window->screen, FALSE);
meta_screen_update_tile_preview (window->screen, FALSE);
if (window->display->compositor)
{
@ -9352,7 +9349,7 @@ update_move (MetaWindow *window,
* trigger it unwittingly, e.g. when shaking loose the window or moving
* it to another monitor.
*/
meta_screen_tile_preview_update (window->screen,
meta_screen_update_tile_preview (window->screen,
window->tile_mode != META_TILE_NONE);
meta_window_get_client_root_coords (window, &old);
@ -10108,6 +10105,20 @@ meta_window_get_work_area_all_monitors (MetaWindow *window,
window->desc, area->x, area->y, area->width, area->height);
}
int
meta_window_get_current_tile_monitor_number (MetaWindow *window)
{
int tile_monitor_number = window->tile_monitor_number;
if (tile_monitor_number < 0)
{
meta_warning ("%s called with an invalid monitor number; using 0 instead\n", G_STRFUNC);
tile_monitor_number = 0;
}
return tile_monitor_number;
}
void
meta_window_get_current_tile_area (MetaWindow *window,
MetaRectangle *tile_area)
@ -10116,12 +10127,7 @@ meta_window_get_current_tile_area (MetaWindow *window,
g_return_if_fail (window->tile_mode != META_TILE_NONE);
tile_monitor_number = window->tile_monitor_number;
if (tile_monitor_number < 0)
{
meta_warning ("%s called with an invalid monitor number; using 0 instead\n", G_STRFUNC);
tile_monitor_number = 0;
}
tile_monitor_number = meta_window_get_current_tile_monitor_number (window);
meta_window_get_work_area_for_monitor (window, tile_monitor_number, tile_area);

8
src/meta/compositor.h
View File

@ -128,4 +128,12 @@ void meta_compositor_sync_screen_size (MetaCompositor *compositor,
void meta_compositor_flash_screen (MetaCompositor *compositor,
MetaScreen *screen);
void meta_compositor_show_tile_preview (MetaCompositor *compositor,
MetaScreen *screen,
MetaWindow *window,
MetaRectangle *tile_rect,
int tile_monitor_number);
void meta_compositor_hide_tile_preview (MetaCompositor *compositor,
MetaScreen *screen);
#endif /* META_COMPOSITOR_H */

5
src/meta/meta-plugin.h
View File

@ -160,6 +160,11 @@ struct _MetaPluginClass
gint to,
MetaMotionDirection direction);
void (*show_tile_preview) (MetaPlugin *plugin,
MetaWindow *window,
MetaRectangle *tile_rect,
int tile_monitor_number);
void (*hide_tile_preview) (MetaPlugin *plugin);
/**
* MetaPluginClass::kill_window_effects:

198
src/ui/tile-preview.c
View File

@ -1,198 +0,0 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* Mutter tile-preview marks the area a window will *ehm* snap to */
/*
* Copyright (C) 2010 Florian Müllner
*
* 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.
*/
#include <config.h>
#include <gtk/gtk.h>
#include <cairo.h>
#include "tile-preview.h"
#include "core.h"
#define OUTLINE_WIDTH 5 /* frame width in non-composite case */
struct _MetaTilePreview {
GtkWidget *preview_window;
gulong create_serial;
GdkRGBA *preview_color;
MetaRectangle tile_rect;
};
static gboolean
meta_tile_preview_draw (GtkWidget *widget,
cairo_t *cr,
gpointer user_data)
{
MetaTilePreview *preview = user_data;
cairo_set_line_width (cr, 1.0);
/* Fill the preview area with a transparent color */
gdk_cairo_set_source_rgba (cr, preview->preview_color);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_paint (cr);
/* Use the opaque color for the border */
cairo_set_source_rgb (cr,
preview->preview_color->red,
preview->preview_color->green,
preview->preview_color->blue);
cairo_rectangle (cr,
0.5, 0.5,
preview->tile_rect.width - 1,
preview->tile_rect.height - 1);
cairo_stroke (cr);
return FALSE;
}
MetaTilePreview *
meta_tile_preview_new (int screen_number)
{
MetaTilePreview *preview;
GdkScreen *screen;
GtkStyleContext *context;
GtkWidgetPath *path;
guchar selection_alpha = 0xFF;
screen = gdk_display_get_screen (gdk_display_get_default (), screen_number);
preview = g_new (MetaTilePreview, 1);
preview->preview_window = gtk_window_new (GTK_WINDOW_POPUP);
gtk_window_set_screen (GTK_WINDOW (preview->preview_window), screen);
gtk_widget_set_app_paintable (preview->preview_window, TRUE);
preview->preview_color = NULL;
preview->tile_rect.x = preview->tile_rect.y = 0;
preview->tile_rect.width = preview->tile_rect.height = 0;
gtk_widget_set_visual (preview->preview_window,
gdk_screen_get_rgba_visual (screen));
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_ICON_VIEW);
context = gtk_style_context_new ();
gtk_style_context_set_path (context, path);
gtk_style_context_add_class (context,
GTK_STYLE_CLASS_RUBBERBAND);
gtk_widget_path_free (path);
gtk_style_context_get (context, GTK_STATE_FLAG_SELECTED,
"background-color", &preview->preview_color,
NULL);
/* The background-color for the .rubberband class should probably
* contain the correct alpha value - unfortunately, at least for now
* it doesn't. Hopefully the following workaround can be removed
* when GtkIconView gets ported to GtkStyleContext.
*/
gtk_style_context_get_style (context,
"selection-box-alpha", &selection_alpha,
NULL);
preview->preview_color->alpha = (double)selection_alpha / 0xFF;
g_object_unref (context);
/* We make an assumption that XCreateWindow will be the first operation
* when calling gtk_widget_realize() (via gdk_window_new()), or that it
* is at least "close enough".
*/
preview->create_serial = XNextRequest (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()));
gtk_widget_realize (preview->preview_window);
g_signal_connect (preview->preview_window, "draw",
G_CALLBACK (meta_tile_preview_draw), preview);
return preview;
}
void
meta_tile_preview_free (MetaTilePreview *preview)
{
gtk_widget_destroy (preview->preview_window);
if (preview->preview_color)
gdk_rgba_free (preview->preview_color);
g_free (preview);
}
void
meta_tile_preview_show (MetaTilePreview *preview,
MetaRectangle *tile_rect)
{
GdkWindow *window;
GdkRectangle old_rect;
if (gtk_widget_get_visible (preview->preview_window)
&& preview->tile_rect.x == tile_rect->x
&& preview->tile_rect.y == tile_rect->y
&& preview->tile_rect.width == tile_rect->width
&& preview->tile_rect.height == tile_rect->height)
return; /* nothing to do */
gtk_widget_show (preview->preview_window);
window = gtk_widget_get_window (preview->preview_window);
meta_core_lower_beneath_grab_window (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
GDK_WINDOW_XID (window),
gtk_get_current_event_time ());
old_rect.x = old_rect.y = 0;
old_rect.width = preview->tile_rect.width;
old_rect.height = preview->tile_rect.height;
gdk_window_invalidate_rect (window, &old_rect, FALSE);
preview->tile_rect = *tile_rect;
gdk_window_move_resize (window,
preview->tile_rect.x, preview->tile_rect.y,
preview->tile_rect.width, preview->tile_rect.height);
}
void
meta_tile_preview_hide (MetaTilePreview *preview)
{
gtk_widget_hide (preview->preview_window);
}
Window
meta_tile_preview_get_xwindow (MetaTilePreview *preview,
gulong *create_serial)
{
GdkWindow *window = gtk_widget_get_window (preview->preview_window);
if (create_serial)
*create_serial = preview->create_serial;
return GDK_WINDOW_XID (window);
}

38
src/ui/tile-preview.h
View File

@ -1,38 +0,0 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* Meta tile preview */
/*
* Copyright (C) 2010 Florian Müllner
*
* 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.
*/
#ifndef META_TILE_PREVIEW_H
#define META_TILE_PREVIEW_H
#include <meta/boxes.h>
typedef struct _MetaTilePreview MetaTilePreview;
MetaTilePreview *meta_tile_preview_new (int screen_number);
void meta_tile_preview_free (MetaTilePreview *preview);
void meta_tile_preview_show (MetaTilePreview *preview,
MetaRectangle *rect);
void meta_tile_preview_hide (MetaTilePreview *preview);
Window meta_tile_preview_get_xwindow (MetaTilePreview *preview,
gulong *create_serial);
#endif /* META_TILE_PREVIEW_H */

1
src/ui/ui.h
View File

@ -181,6 +181,5 @@ int meta_ui_get_drag_threshold (MetaUI *ui);
MetaUIDirection meta_ui_get_direction (void);
#include "tabpopup.h"
#include "tile-preview.h"
#endif