diff options
Diffstat (limited to 'matchbox2/comp-mgr/mb-wm-comp-mgr-clutter.c')
| -rw-r--r-- | matchbox2/comp-mgr/mb-wm-comp-mgr-clutter.c | 1610 |
1 files changed, 1610 insertions, 0 deletions
diff --git a/matchbox2/comp-mgr/mb-wm-comp-mgr-clutter.c b/matchbox2/comp-mgr/mb-wm-comp-mgr-clutter.c new file mode 100644 index 0000000..c1aaf8d --- /dev/null +++ b/matchbox2/comp-mgr/mb-wm-comp-mgr-clutter.c @@ -0,0 +1,1610 @@ +/* + * Matchbox Window Manager - A lightweight window manager not for the + * desktop. + * + * Authored By Tomas Frydrych <tf@o-hand.com> + * + * Copyright (c) 2008 OpenedHand Ltd - http://o-hand.com + * + * 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, 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. + * + */ + +#include "mb-wm.h" +#include "mb-wm-client.h" +#include "mb-wm-comp-mgr.h" +#include "mb-wm-comp-mgr-clutter.h" +#include "mb-wm-theme.h" +#include "tidy/tidy-texture-frame.h" + +#include <clutter/clutter.h> +#include <clutter/x11/clutter-x11.h> +#if HAVE_CLUTTER_GLX +#include <clutter/glx/clutter-glx-texture-pixmap.h> +#endif +#include <X11/Xresource.h> +#include <X11/extensions/shape.h> +#include <X11/extensions/Xcomposite.h> + +#include <math.h> + +#define USE_DAMAGE_BOUNDING_BOX 1 + +#define SHADOW_RADIUS 4 +#define SHADOW_OPACITY 0.9 +#define SHADOW_OFFSET_X (-SHADOW_RADIUS) +#define SHADOW_OFFSET_Y (-SHADOW_RADIUS) + +#define MAX_TILE_SZ 16 /* make sure size/2 < MAX_TILE_SZ */ +#define WIDTH (3*MAX_TILE_SZ) +#define HEIGHT (3*MAX_TILE_SZ) + +#define CMGR(x) MB_WM_COMP_MGR_CLUTTER(x) +#define CCLIENT(x) MB_WM_COMP_MGR_CLUTTER_CLIENT(x) + +static unsigned char * +mbwm_cmc_shadow_gaussian_make_tile (); + +static void +mbwm_cmc_add_actor (MBWMCompMgrClutter *, MBWMCompMgrClutterClient *); + +/* + * A helper object to store manager's per-client data + */ +struct _MBWMCompMgrClutterClientPrivate +{ + ClutterActor *actor; /* Overall actor */ + ClutterActor *texture; /* The texture part of our actor */ + Pixmap pixmap; + int pxm_width; + int pxm_height; + int pxm_depth; + unsigned int flags; + Damage damage; + + int freeze_updates; + int needs_update : 1; +}; + +static void mbwm_cmc_client_show_real (MBWMCompMgrClient *client); +static void mbwm_cmc_client_hide_real (MBWMCompMgrClient *client); +static void mbwm_cmc_client_repair_real (MBWMCompMgrClient *client); +static void mbwm_cmc_client_configure_real (MBWMCompMgrClient *client); + +static void +mbwm_cmc_client_class_init (MBWMObjectClass *klass) +{ + MBWMCompMgrClientClass *c_klass = MB_WM_COMP_MGR_CLIENT_CLASS (klass); + + c_klass->show = mbwm_cmc_client_show_real; + c_klass->hide = mbwm_cmc_client_hide_real; + c_klass->repair = mbwm_cmc_client_repair_real; + c_klass->configure = mbwm_cmc_client_configure_real; + +#if MBWM_WANT_DEBUG + klass->klass_name = "MBWMCompMgrClutterClient"; +#endif +} + +static void +mbwm_cmc_client_freeze (MBWMCompMgrClutterClient *client) +{ + client->priv->freeze_updates++; +} + +static void +mbwm_cmc_client_unfreeze (MBWMCompMgrClutterClient * client) +{ + MBWMCompMgrClutterClientPrivate *priv = client->priv; + + priv->freeze_updates--; + + if (priv->freeze_updates < 0) + priv->freeze_updates = 0; + + if (!priv->freeze_updates && priv->needs_update) + mbwm_cmc_client_repair_real (MB_WM_COMP_MGR_CLIENT (client)); +} + + +/* + * Fetch the entire texture for our client + */ +static void +mbwm_cmc_fetch_texture (MBWMCompMgrClient *client) +{ + MBWMCompMgrClutterClient *cclient = CCLIENT(client); + MBWMCompMgrClutterClientPrivate *priv = cclient->priv; + MBWindowManagerClient *wm_client = client->wm_client; + MBWindowManager *wm = client->wm; + MBGeometry geom; + Window xwin; + Window root; + int x, y, w, h, bw, depth; +#ifdef HAVE_XEXT + /* Stuff we need for shaped windows */ + XRectangle *shp_rect; + int shp_order; + int shp_count; + int i; + + /* + * This is square of 32-bit comletely transparent values we use to + * clear bits of the texture from shaped windows; the size is a compromise + * between how much memory we want to allocate and how much tiling we are + * happy with. + * + * Make this power of 2 for efficient operation + */ +#define SHP_CLEAR_SIZE 4 + static int clear_init = 0; + static guint32 clear_data[SHP_CLEAR_SIZE * SHP_CLEAR_SIZE]; + + if (!clear_init) + { + memset (&clear_data, 0, sizeof (clear_data)); + clear_init = 1; + } +#endif + + if (!(priv->flags & MBWMCompMgrClutterClientMapped)) + return; + + xwin = + wm_client->xwin_frame ? wm_client->xwin_frame : wm_client->window->xwindow; + + if (priv->pixmap) + XFreePixmap (wm->xdpy, priv->pixmap); + + priv->pixmap = XCompositeNameWindowPixmap (wm->xdpy, xwin); + + if (!priv->pixmap) + return; + + XGetGeometry (wm->xdpy, priv->pixmap, &root, + &x, &y, &w, &h, &bw, &depth); + + mb_wm_client_get_coverage (wm_client, &geom); + + priv->pxm_width = w; + priv->pxm_height = h; + priv->pxm_depth = depth; + + clutter_actor_set_position (priv->actor, geom.x, geom.y); + clutter_actor_set_size (priv->texture, geom.width, geom.height); + + clutter_x11_texture_pixmap_set_pixmap ( + CLUTTER_X11_TEXTURE_PIXMAP (priv->texture), + priv->pixmap); + +#ifdef HAVE_XEXT + /* + * If the client is shaped, we have to manually clear any pixels in our + * texture in the non-visible areas. + */ + if (mb_wm_theme_is_client_shaped (wm->theme, wm_client)) + { + shp_rect = XShapeGetRectangles (wm->xdpy, xwin, + ShapeBounding, &shp_count, &shp_order); + + if (shp_rect && shp_count) + { + XserverRegion clear_rgn; + XRectangle rect; + XRectangle *clear_rect; + int clear_count; + XRectangle *r0, r1; + int c; + + rect.x = 0; + rect.y = 0; + rect.width = geom.width; + rect.height = geom.height; + + clear_rgn = XFixesCreateRegion (wm->xdpy, shp_rect, shp_count); + + XFixesInvertRegion (wm->xdpy, clear_rgn, &rect, clear_rgn); + + clear_rect = XFixesFetchRegion (wm->xdpy, clear_rgn, &clear_count); + + for (i = 0; i < clear_count; ++i) + { + int k, l; + + for (k = 0; k < clear_rect[i].width; k += SHP_CLEAR_SIZE) + for (l = 0; l < clear_rect[i].height; l += SHP_CLEAR_SIZE) + { + int w1 = clear_rect[i].width - k; + int h1 = clear_rect[i].height - l; + + if (w1 > SHP_CLEAR_SIZE) + w1 = SHP_CLEAR_SIZE; + + if (h1 > SHP_CLEAR_SIZE) + h1 = SHP_CLEAR_SIZE; + + clutter_texture_set_area_from_rgb_data ( + CLUTTER_TEXTURE (priv->texture), + (const guchar *)&clear_data, + TRUE, + clear_rect[i].x + k, + clear_rect[i].y + l, + w1, h1, + SHP_CLEAR_SIZE * 4, + 4, + CLUTTER_TEXTURE_RGB_FLAG_BGR, + NULL); + } + } + + XFixesDestroyRegion (wm->xdpy, clear_rgn); + + XFree (shp_rect); + + if (clear_rect) + XFree (clear_rect); + } + } + +#endif +} + +static int +mbwm_cmc_client_init (MBWMObject *obj, va_list vap) +{ + MBWMCompMgrClutterClient *cclient = CCLIENT (obj); + + cclient->priv = + mb_wm_util_malloc0 (sizeof (MBWMCompMgrClutterClientPrivate)); + + return 1; +} + +static void +mbwm_cmc_client_destroy (MBWMObject* obj) +{ + MBWMCompMgrClient *c = MB_WM_COMP_MGR_CLIENT (obj); + MBWMCompMgrClutterClient *cclient = CCLIENT (obj); + MBWMCompMgrClutterClientPrivate *priv = cclient->priv; + MBWindowManager *wm = c->wm; + MBWMCompMgrClutter *mgr = CMGR (wm->comp_mgr); + int i; + + if (priv->actor) + clutter_actor_destroy (priv->actor); + + if (priv->pixmap) + XFreePixmap (wm->xdpy, priv->pixmap); + + if (priv->damage) + XDamageDestroy (wm->xdpy, priv->damage); + + free (priv); +} + +int +mb_wm_comp_mgr_clutter_client_class_type () +{ + static int type = 0; + + if (UNLIKELY(type == 0)) + { + static MBWMObjectClassInfo info = { + sizeof (MBWMCompMgrClutterClientClass), + sizeof (MBWMCompMgrClutterClient), + mbwm_cmc_client_init, + mbwm_cmc_client_destroy, + mbwm_cmc_client_class_init + }; + + type = + mb_wm_object_register_class (&info, MB_WM_TYPE_COMP_MGR_CLIENT, 0); + } + + return type; +} + +/* + * This is a private method, hence static (all instances of this class are + * created automatically by the composite manager). + */ +static MBWMCompMgrClient * +mbwm_cmc_client_new (MBWindowManagerClient * client) +{ + MBWMObject *c; + + c = mb_wm_object_new (MB_WM_TYPE_COMP_MGR_CLUTTER_CLIENT, + MBWMObjectPropClient, client, + NULL); + + return MB_WM_COMP_MGR_CLIENT (c); +} + +static void +mbwm_cmc_client_hide_real (MBWMCompMgrClient * client) +{ + MBWMCompMgrClutterClient *cclient = CCLIENT (client); + MBWMCompMgrClutterClientPrivate *priv = cclient->priv; + + /* + * Do not hide the actor if effect is in progress + */ + if (priv->flags & MBWMCompMgrClutterClientEffectRunning) + return; + + clutter_actor_hide (priv->actor); +} + +static void +mbwm_cmc_client_show_real (MBWMCompMgrClient *client) +{ + MBWMCompMgrClutterClient *cclient = CCLIENT (client); + MBWMCompMgrClutterClientPrivate *priv = cclient->priv; + + if (!priv->actor) + { + /* + * This can happen if show() is called on our client before it is + * actually mapped (we only alocate the actor in response to map + * notification. + */ + return; + } + + /* + * Clear the don't update flag, if set + */ + priv->flags &= ~MBWMCompMgrClutterClientDontUpdate; + clutter_actor_show_all (priv->actor); +} + +void +mb_wm_comp_mgr_clutter_client_set_flags (MBWMCompMgrClutterClient *cclient, + MBWMCompMgrClutterClientFlags flags) +{ + MBWMCompMgrClutterClientPrivate *priv = cclient->priv; + + priv->flags |= flags; +} + + +void +mb_wm_comp_mgr_clutter_client_unset_flags (MBWMCompMgrClutterClient *cclient, + MBWMCompMgrClutterClientFlags flags) +{ + MBWMCompMgrClutterClientPrivate *priv = cclient->priv; + + priv->flags &= ~flags; +} + +MBWMCompMgrClutterClientFlags +mb_wm_comp_mgr_clutter_client_get_flags (MBWMCompMgrClutterClient *cclient) +{ + MBWMCompMgrClutterClientPrivate *priv = cclient->priv; + + return (MBWMCompMgrClutterClientFlags) priv->flags; +} + + +ClutterActor * +mb_wm_comp_mgr_clutter_client_get_actor (MBWMCompMgrClutterClient *cclient) +{ + MBWMCompMgrClutterClientPrivate *priv = cclient->priv; + + return g_object_ref(MB_WM_OBJECT (priv->actor)); +} + +/* + * Implementation of MBWMCompMgrClutter + */ +struct _MBWMCompMgrClutterPrivate +{ + ClutterActor * arena; + MBWMList * desktops; + ClutterActor * shadow; + + Window overlay_window; + + int freeze_stack; + + unsigned int restack_pending : 1; +}; + +static void +mbwm_cmc_private_free (MBWMCompMgrClutter *mgr) +{ + MBWMCompMgrClutterPrivate * priv = mgr->priv; + + if (priv->shadow) + clutter_actor_destroy (priv->shadow); + + free (priv); +} + +static void +mbwm_cmc_register_client_real (MBWMCompMgr * mgr, + MBWindowManagerClient * c) +{ + MBWMCompMgrClient *cclient; + MBWMCompMgrClutter *cmgr = CMGR (mgr); + MBWMCompMgrClutterClass *klass + = MB_WM_COMP_MGR_CLUTTER_CLASS (MB_WM_OBJECT_GET_CLASS (mgr)); + + if (c->cm_client) + return; + + cclient = klass->client_new (c); + c->cm_client = cclient; +} + +static void mbwm_cmc_turn_on_real (MBWMCompMgr *mgr); +static void mbwm_cmc_turn_off_real (MBWMCompMgr *mgr); +static void mbwm_cmc_map_notify_real (MBWMCompMgr *mgr, + MBWindowManagerClient *c); +static void mbwm_cmc_client_transition_real (MBWMCompMgr *mgr, + MBWindowManagerClient *c1, + MBWindowManagerClient *c2, + Bool reverse); +static void mbwm_cmc_client_event_real (MBWMCompMgr *mgr, + MBWindowManagerClient *client, + MBWMCompMgrClientEvent event); +static void mbwm_cmc_restack_real (MBWMCompMgr *mgr); +static Bool mb_wm_comp_mgr_is_my_window_real (MBWMCompMgr *mgr, Window xwin); +static void mbwm_cmc_select_desktop (MBWMCompMgr * mgr, + int desktop, int old_desktop); +static Bool mbwm_cmc_handle_damage (XDamageNotifyEvent *de, MBWMCompMgr*mgr); + +static void +mbwm_cmc_class_init (MBWMObjectClass *klass) +{ + MBWMCompMgrClass *cm_klass = MB_WM_COMP_MGR_CLASS (klass); + MBWMCompMgrClutterClass *clutter_klass = + MB_WM_COMP_MGR_CLUTTER_CLASS (klass); + +#if MBWM_WANT_DEBUG + klass->klass_name = "MBWMCompMgrClutter"; +#endif + + /* + * NB -- we do not need render() implementation, since that is taken care of + * automatically by clutter stage. + */ + cm_klass->register_client = mbwm_cmc_register_client_real; + cm_klass->turn_on = mbwm_cmc_turn_on_real; + cm_klass->turn_off = mbwm_cmc_turn_off_real; + cm_klass->map_notify = mbwm_cmc_map_notify_real; + cm_klass->my_window = mb_wm_comp_mgr_is_my_window_real; + cm_klass->client_transition = mbwm_cmc_client_transition_real; + cm_klass->client_event = mbwm_cmc_client_event_real; + cm_klass->restack = mbwm_cmc_restack_real; + cm_klass->select_desktop = mbwm_cmc_select_desktop; + cm_klass->handle_damage = mbwm_cmc_handle_damage; + + clutter_klass->client_new = mbwm_cmc_client_new; +} + +static int +mbwm_cmc_init (MBWMObject *obj, va_list vap) +{ + MBWMCompMgr * mgr = MB_WM_COMP_MGR (obj); + MBWMCompMgrClutter * cmgr = CMGR (obj); + MBWMCompMgrClutterPrivate * priv; + MBWindowManager * wm = mgr->wm; + ClutterActor * desktop, * arena; + + priv = mb_wm_util_malloc0 (sizeof (MBWMCompMgrClutterPrivate)); + cmgr->priv = priv; + + XCompositeRedirectSubwindows (wm->xdpy, wm->root_win->xwindow, + CompositeRedirectManual); + + priv->arena = arena = clutter_group_new (); + clutter_container_add_actor (CLUTTER_CONTAINER (clutter_stage_get_default()), + arena); + clutter_actor_show (arena); + + desktop = clutter_group_new (); + clutter_actor_show (desktop); + clutter_container_add_actor (CLUTTER_CONTAINER (arena), desktop); + priv->desktops = mb_wm_util_list_append (priv->desktops, desktop); + + return 1; +} + +static void +mbwm_cmc_destroy (MBWMObject * obj) +{ + MBWMCompMgr * mgr = MB_WM_COMP_MGR (obj); + MBWMCompMgrClutter * cmgr = CMGR (obj); + + mb_wm_comp_mgr_turn_off (mgr); + mbwm_cmc_private_free (cmgr); +} + +int +mb_wm_comp_mgr_clutter_class_type () +{ + static int type = 0; + + if (UNLIKELY(type == 0)) + { + static MBWMObjectClassInfo info = { + sizeof (MBWMCompMgrClutterClass), + sizeof (MBWMCompMgrClutter), + mbwm_cmc_init, + mbwm_cmc_destroy, + mbwm_cmc_class_init + }; + + type = mb_wm_object_register_class (&info, MB_WM_TYPE_COMP_MGR, 0); + } + + return type; +} + +/* Shuts the compositing down */ +static void +mbwm_cmc_turn_off_real (MBWMCompMgr *mgr) +{ + MBWindowManager * wm = mgr->wm; + MBWMCompMgrClutterPrivate * priv; + + if (!mgr) + return; + + priv = CMGR (mgr)->priv; + + if (mgr->disabled) + return; + + if (!mb_wm_stack_empty (wm)) + { + MBWindowManagerClient * c; + + mb_wm_stack_enumerate (wm, c) + { + mb_wm_comp_mgr_unregister_client (mgr, c); + } + } + + XCompositeReleaseOverlayWindow (wm->xdpy, wm->root_win->xwindow); + priv->overlay_window = None; + + mgr->disabled = True; +} + +static void +mbwm_cmc_turn_on_real (MBWMCompMgr *mgr) +{ + MBWindowManager * wm; + MBWMCompMgrClutterPrivate * priv; + + if (!mgr || !mgr->disabled) + return; + + priv = CMGR (mgr)->priv; + wm = mgr->wm; + + mgr->disabled = False; + + if (priv->overlay_window == None) + { + ClutterActor * stage = clutter_stage_get_default (); + ClutterColor clr = {0, 0, 0, 0xff }; + Window xwin; + XserverRegion region; + + /* + * Fetch the overlay window + */ + xwin = clutter_x11_get_stage_window (CLUTTER_STAGE (stage)); + + priv->overlay_window = + XCompositeGetOverlayWindow (wm->xdpy, wm->root_win->xwindow); + + /* + * Reparent the stage window to the overlay window, this makes it + * magically work :) + */ + XReparentWindow (wm->xdpy, xwin, priv->overlay_window, 0, 0); + + /* + * Use xfixes shape to make events pass through the overlay window + * + * TODO -- this has certain drawbacks, notably when our client is + * tranformed (rotated, scaled, etc), the events will not be landing in + * the right place. The answer to that is event forwarding with + * translation. + */ + region = XFixesCreateRegion (wm->xdpy, NULL, 0); + + XFixesSetWindowShapeRegion (wm->xdpy, priv->overlay_window, + ShapeBounding, 0, 0, 0); + XFixesSetWindowShapeRegion (wm->xdpy, priv->overlay_window, + ShapeInput, 0, 0, region); + + XFixesDestroyRegion (wm->xdpy, region); + + clutter_actor_set_size (stage, wm->xdpy_width, wm->xdpy_height); + clutter_stage_set_color (CLUTTER_STAGE (stage), &clr); + + clutter_actor_show (stage); + } +} + +static void +mbwm_cmc_client_repair_real (MBWMCompMgrClient * client) +{ + MBWindowManagerClient *wm_client = client->wm_client; + MBWMCompMgrClutterClient *cclient = CCLIENT (client); + MBWMCompMgrClutterClientPrivate *priv = cclient->priv; + MBWindowManager *wm = client->wm; + XserverRegion parts; + int i, r_count; + XRectangle *r_damage; + XRectangle r_bounds; + + MBWM_NOTE (COMPOSITOR, "REPAIRING %x", wm_client->window->xwindow); + + if (!priv->actor) + return; + + if (priv->freeze_updates) + { + priv->needs_update = 1; + return; + } + + priv->needs_update = 0; + + if (!priv->pixmap) + { + /* + * First time we have been called since creation/configure, + * fetch the whole texture. + */ + MBWM_NOTE (DAMAGE, "Full screen repair."); + XDamageSubtract (wm->xdpy, priv->damage, None, None); + mbwm_cmc_fetch_texture (client); + return; + } + + /* + * Retrieve the damaged region and break it down into individual + * rectangles so we do not have to update the whole shebang. + */ + parts = XFixesCreateRegion (wm->xdpy, 0, 0); + XDamageSubtract (wm->xdpy, priv->damage, None, parts); + + r_damage = XFixesFetchRegionAndBounds (wm->xdpy, parts, + &r_count, + &r_bounds); + + if (r_damage) + { +#if USE_DAMAGE_BOUNDING_BOX + clutter_x11_texture_pixmap_update_area ( + CLUTTER_X11_TEXTURE_PIXMAP (priv->texture), + r_bounds.x, + r_bounds.y, + r_bounds.width, + r_bounds.height); +#else + for (i = 0; i < r_count; ++i) + { + MBWM_NOTE (DAMAGE, "Repairing %d,%d;%dx%d", + r_damage[i].x, + r_damage[i].y, + r_damage[i].width, + r_damage[i].height); + + clutter_x11_texture_pixmap_update_area ( + CLUTTER_X11_TEXTURE_PIXMAP (priv->texture), + r_damage[i].x, + r_damage[i].y, + r_damage[i].width, + r_damage[i].height); + } +#endif + XFree (r_damage); + } + + XFixesDestroyRegion (wm->xdpy, parts); +} + +static void +mbwm_cmc_client_configure_real (MBWMCompMgrClient * client) +{ + MBWindowManagerClient *wm_client = client->wm_client; + MBWMCompMgrClutterClient *cclient = CCLIENT (client); + MBWMCompMgrClutterClientPrivate *priv = cclient->priv; + + MBWM_NOTE (COMPOSITOR, "CONFIGURE request"); + + /* + * Release the backing pixmap; we will recreate it next time we get damage + * notification for this window. + */ + if (priv->pixmap) + { + XFreePixmap (client->wm->xdpy, priv->pixmap); + priv->pixmap = None; + } +} + +static Bool +mbwm_cmc_handle_damage (XDamageNotifyEvent * de, + MBWMCompMgr * mgr) +{ + MBWMCompMgrClutterPrivate * priv = CMGR (mgr)->priv; + MBWindowManager * wm = mgr->wm; + MBWindowManagerClient * c; + + c = mb_wm_managed_client_from_frame (wm, de->drawable); + + if (c && c->cm_client) + { + MBWMCompMgrClutterClient *cclient = CCLIENT (c->cm_client); + MBWMCompMgrClutterClientPrivate *cpriv = cclient->priv; + + if (!cpriv->actor || + (cpriv->flags & MBWMCompMgrClutterClientDontUpdate)) + return False; + + MBWM_NOTE (COMPOSITOR, + "Reparing window %x, geometry %d,%d;%dx%d; more %d\n", + de->drawable, + de->geometry.x, + de->geometry.y, + de->geometry.width, + de->geometry.height, + de->more); + + mbwm_cmc_client_repair_real (c->cm_client); + } + else + { + MBWM_NOTE (COMPOSITOR, "Failed to find client for window %x\n", + de->drawable); + } + + return False; +} + +static void +mbwm_cmc_freeze_stack (MBWMCompMgr *mgr) +{ + CMGR (mgr)->priv->freeze_stack++; +} + +static void +mbwm_cmc_unfreeze_stack (MBWMCompMgr *mgr) +{ + MBWMCompMgrClutterPrivate *priv = CMGR (mgr)->priv; + + priv->freeze_stack--; + + if (priv->freeze_stack < 0) + priv->freeze_stack = 0; + + if (!priv->freeze_stack && priv->restack_pending) + mbwm_cmc_restack_real ((MBWMCompMgr *)mgr); +} + +static void +mbwm_cmc_restack_real (MBWMCompMgr *mgr) +{ + MBWindowManager *wm = mgr->wm; + MBWMCompMgrClutter *cmgr = CMGR (mgr); + MBWMCompMgrClutterPrivate *priv = cmgr->priv; + MBWMList *l; + int i = 0; + + if (priv->freeze_stack) + { + priv->restack_pending = 1; + return; + } + + priv->restack_pending = 0; + + l = priv->desktops; + + if (!mb_wm_stack_empty (wm)) + { + MBWindowManagerClient * c; + + while (l) + { + ClutterActor *desktop = l->data; + ClutterActor * prev = NULL; + + mb_wm_stack_enumerate (wm, c) + { + MBWMCompMgrClutterClient * cc; + ClutterActor * a; + + if (mb_wm_client_get_desktop (c) != i) + continue; + + cc = CCLIENT (c->cm_client); + + a = cc->priv->actor; + + if (!a || clutter_actor_get_parent (a) != desktop) + continue; + + clutter_actor_raise (a, prev); + + prev = a; + } + + l = l->next; + ++i; + } + } +} + +MBWMList * +mb_wm_comp_mgr_clutter_get_desktops (MBWMCompMgrClutter *cmgr) +{ + return cmgr->priv->desktops; +} + +/* + * Gets the n-th desktop from our desktop list; if we do not have that many + * desktops, just append new ones. + */ +ClutterActor * +mb_wm_comp_mgr_clutter_get_nth_desktop (MBWMCompMgrClutter * cmgr, int desktop) +{ + MBWMCompMgrClutterPrivate * priv = cmgr->priv; + MBWMList * l = priv->desktops; + int i = 0; + + while (l && i != desktop) + { + ++i; + + if (l->next) + l = l->next; + else + { + /* End of the line -- append new desktop */ + ClutterActor * d = clutter_group_new (); + priv->desktops = mb_wm_util_list_append (priv->desktops, d); + clutter_container_add_actor (CLUTTER_CONTAINER (priv->arena), d); + + l = l->next; + } + } + + return CLUTTER_ACTOR (l->data); +} + +/* + * Returns the arena; this is an intermediate group which contains all the + * other actors the CM uses. The caller of this function holds a reference + * to the returned ClutterActor and must release it once no longer needed. + */ +ClutterActor * +mb_wm_comp_mgr_clutter_get_arena (MBWMCompMgrClutter *cmgr) +{ + MBWMCompMgrClutterPrivate * priv = cmgr->priv; + + return g_object_ref (priv->arena); +} + + +static void +mbwm_cmc_select_desktop (MBWMCompMgr * mgr, + int desktop, + int old_desktop) +{ + MBWMCompMgrClutter * cmgr = CMGR (mgr); + ClutterActor * d; + MBWMList * l; + + d = mb_wm_comp_mgr_clutter_get_nth_desktop (cmgr, desktop); + + l = cmgr->priv->desktops; + + while (l) + { + ClutterActor * a = l->data; + + if (a == d) + clutter_actor_show (a); + else + clutter_actor_hide (a); + + l = l->next; + } +} + +static void +mbwm_cmc_map_notify_real (MBWMCompMgr *mgr, + MBWindowManagerClient *c) +{ + MBWMCompMgrClutter *cmgr = CMGR (mgr); + MBWMCompMgrClient *client = c->cm_client; + MBWMCompMgrClutterClient *cclient = CCLIENT(client); + MBWMCompMgrClutterClientPrivate *priv = cclient->priv; + MBWindowManager *wm = client->wm; + ClutterActor *actor; + ClutterActor *texture; + ClutterActor *rect; + MBGeometry geom; + const MBWMList *l; + unsigned int shadow_clr[4]; + ClutterColor shadow_cclr; + MBWMCompMgrShadowType shadow_type; + MBWMClientType ctype = MB_WM_CLIENT_CLIENT_TYPE (c); + + if (mb_wm_client_is_hiding_from_desktop (c)) + { + /* + * We already have the resources, except we have to get a new + * backing pixmap + */ + Window xwin = c->xwin_frame ? c->xwin_frame : c->window->xwindow; + + /* + * FIXME -- Must rebind the pixmap to the texture -- this is not ideal + * since our texture already contains the correct data, but without + * this it will not update. Perhaps we some extension to the clutter + * API is needed here. + */ + mbwm_cmc_fetch_texture (client); + + clutter_actor_show (priv->actor); + return; + } + + /* + * We get called for windows as well as their children, so once we are + * mapped do nothing. + */ + if (priv->flags & MBWMCompMgrClutterClientMapped) + return; + + priv->flags |= MBWMCompMgrClutterClientMapped; + + priv->damage = XDamageCreate (wm->xdpy, + c->xwin_frame ? + c->xwin_frame : + c->window->xwindow, +#ifdef USE_DAMAGE_BOUNDING_BOX + XDamageReportBoundingBox +#else + XDamageReportNonEmpty +#endif + ); + + mb_wm_client_get_coverage (c, &geom); + + actor = g_object_ref (clutter_group_new ()); +#if HAVE_CLUTTER_GLX + texture = clutter_glx_texture_pixmap_new (); +#else + texture = clutter_x11_texture_pixmap_new (); +#endif + clutter_actor_show (texture); + + if (ctype == MBWMClientTypeDialog || + ctype == MBWMClientTypeMenu || + ctype == MBWMClientTypeNote || + ctype == MBWMClientTypeOverride) + { + shadow_type = mb_wm_theme_get_shadow_type (wm->theme); + + if (shadow_type == MBWM_COMP_MGR_SHADOW_NONE) + { + clutter_container_add (CLUTTER_CONTAINER (actor), texture, NULL); + } + else + { + if (shadow_type == MBWM_COMP_MGR_SHADOW_SIMPLE) + { + mb_wm_theme_get_shadow_color (wm->theme, + &shadow_clr[0], + &shadow_clr[1], + &shadow_clr[2], + &shadow_clr[3]); + + shadow_cclr.red = 0xff * shadow_clr[0] / 0xffff; + shadow_cclr.green = 0xff * shadow_clr[1] / 0xffff; + shadow_cclr.blue = 0xff * shadow_clr[2] / 0xffff; + shadow_cclr.alpha = 0xff * shadow_clr[3] / 0xffff; + + rect = clutter_rectangle_new_with_color (&shadow_cclr); + clutter_actor_set_position (rect, 4, 4); + } + else + { + ClutterActor * txt = cmgr->priv->shadow; + if (!txt) + { + unsigned char * data; + + data = mbwm_cmc_shadow_gaussian_make_tile (); + + txt = clutter_texture_new (); + + clutter_texture_set_from_rgb_data (CLUTTER_TEXTURE (txt), + data, + TRUE, + WIDTH, + HEIGHT, + WIDTH*4, + 4, + 0, + NULL); + free (data); + + cmgr->priv->shadow = txt; + } + + rect = tidy_texture_frame_new (CLUTTER_TEXTURE (txt), + MAX_TILE_SZ, + MAX_TILE_SZ, + MAX_TILE_SZ, + MAX_TILE_SZ); + clutter_actor_set_position (rect, + 2*SHADOW_RADIUS, 2*SHADOW_RADIUS); + } + + clutter_actor_set_size (rect, geom.width, geom.height); + clutter_actor_show (rect); + + clutter_container_add (CLUTTER_CONTAINER (actor), + rect, texture, NULL); + } + } + else + { + clutter_container_add (CLUTTER_CONTAINER (actor), texture, NULL); + } + + + priv->actor = actor; + priv->texture = texture; + + g_object_set_data (G_OBJECT (actor), "MBWMCompMgrClutterClient", cclient); + + clutter_actor_set_position (actor, geom.x, geom.y); + clutter_actor_set_size (texture, geom.width, geom.height); + + mbwm_cmc_add_actor (cmgr, cclient); +} + +static void +mbwm_cmc_transtion_fade_out_cb (ClutterAnimation *anim, + MBWMCompMgrClutterClient *client) +{ + client->priv->flags &= ~MBWMCompMgrClutterClientEffectRunning; + +#if 0 + /* FIXME -- see if we need this */ + mb_wm_object_unref (MB_WM_OBJECT (client)); +#endif +} + +static void +_fade_apply_behaviour_to_client (MBWindowManagerClient *wc, + unsigned long duration) +{ + MBWMList *l; + ClutterActor *a = CCLIENT (wc->cm_client)->priv->actor; + ClutterAnimation *anim; + + clutter_actor_set_opacity (a, 0); + + anim = clutter_actor_animate (a, + CLUTTER_EASE_IN_SINE, + duration, + "opacity", 0xff, + wc->cm_client); + + g_signal_connect_after (anim, "completed", + G_CALLBACK (mbwm_cmc_transtion_fade_out_cb), + NULL); + + l = mb_wm_client_get_transients (wc); + while (l) + { + MBWindowManagerClient * c = l->data; + + _fade_apply_behaviour_to_client (c, duration); + l = l->next; + } +} + +static void +mbwm_cmc_client_transition_fade (MBWMCompMgrClutterClient *cclient1, + MBWMCompMgrClutterClient *cclient2, + unsigned long duration) +{ + /* + * Fade is simple -- we only need to animate the second actor and its + * children, as the stacking order automatically takes care of the + * actor appearing to fade out from the first one + */ + cclient2->priv->flags |= MBWMCompMgrClutterClientEffectRunning; + + _fade_apply_behaviour_to_client (MB_WM_COMP_MGR_CLIENT (cclient2)->wm_client, + duration); +} + +static void +mbwm_cmc_client_transition_real (MBWMCompMgr *mgr, + MBWindowManagerClient *c1, + MBWindowManagerClient *c2, + Bool reverse) +{ + MBWMCompMgrClutterClient * cclient1 = CCLIENT (c1->cm_client); + MBWMCompMgrClutterClient * cclient2 = CCLIENT (c2->cm_client); + + mbwm_cmc_client_transition_fade (cclient1, cclient2, 100); +} + +static void +mbwm_cmc_client_event_completed_hide_cb (ClutterAnimation *anim, + MBWMCompMgrClutterClient *client) +{ + MBWMCompMgrClient *c = MB_WM_COMP_MGR_CLIENT (client); + + client->priv->flags &= ~MBWMCompMgrClutterClientEffectRunning; + clutter_actor_hide (client->priv->actor); + clutter_actor_set_scale (client->priv->actor, 1.0, 1.0); + mbwm_cmc_unfreeze_stack (c->wm->comp_mgr); + mbwm_cmc_client_unfreeze (client); + + /* + * Release the extra reference on the CM client that was added for the sake + * of the effect + */ + mb_wm_object_unref (MB_WM_OBJECT (client)); +} + +static void +mbwm_cmc_client_event_completed_cb (ClutterAnimation *anim, + MBWMCompMgrClutterClient *client) +{ + client->priv->flags &= ~MBWMCompMgrClutterClientEffectRunning; + + /* + * Release the extra reference on the CM client that was added for the sake + * of the effect + */ + mb_wm_object_unref (MB_WM_OBJECT (client)); +} + +static void +mbwm_cmc_client_event_real (MBWMCompMgr *mgr, + MBWindowManagerClient *client, + MBWMCompMgrClientEvent event) +{ + MBWMCompMgrClutterClient *cclient = CCLIENT (client->cm_client); + MBWMCompMgrClutterClientPrivate *priv = cclient->priv; + ClutterAnimation *anim = NULL; + + if (MB_WM_CLIENT_CLIENT_TYPE (client) != MBWMClientTypeApp) + return; + + /* FIXME -- this is where the animation is applied */ + switch (event) + { + case MBWMCompMgrClientEventMinimize: + mbwm_cmc_freeze_stack (mgr); + mbwm_cmc_client_freeze (cclient); + + mb_wm_object_ref (MB_WM_OBJECT (cclient)); + priv->flags |= MBWMCompMgrClutterClientEffectRunning; + + anim = clutter_actor_animate (priv->actor, + CLUTTER_EASE_IN_SINE, + 200, + "scale-x", 0.0, + "scale-y", 0.0, + NULL); + g_signal_connect_after (anim, "completed", + G_CALLBACK (mbwm_cmc_client_event_completed_hide_cb), + cclient); + break; + case MBWMCompMgrClientEventUnmap: + mbwm_cmc_freeze_stack (mgr); + mbwm_cmc_client_freeze (cclient); + + mb_wm_object_ref (MB_WM_OBJECT (cclient)); + priv->flags |= MBWMCompMgrClutterClientEffectRunning; + + anim = clutter_actor_animate (priv->actor, + CLUTTER_EASE_IN_SINE, + 200, + "scale-x", 0.0, + "scale-y", 0.0, + NULL); + g_signal_connect_after (anim, "completed", + G_CALLBACK (mbwm_cmc_client_event_completed_hide_cb), + cclient); + break; + case MBWMCompMgrClientEventMap: + mb_wm_object_ref (MB_WM_OBJECT (cclient)); + priv->flags |= MBWMCompMgrClutterClientEffectRunning; + + clutter_actor_set_scale_full (priv->actor, 0.0, 0.0, + clutter_actor_get_width (priv->actor)/ 2, + clutter_actor_get_height (priv->actor) / 2); + clutter_actor_show (priv->actor); + + anim = clutter_actor_animate (priv->actor, + CLUTTER_EASE_IN_SINE, + 200, + "scale-x", 1.0, + "scale-y", 1.0, + NULL); + g_signal_connect_after (anim, "completed", + G_CALLBACK (mbwm_cmc_client_event_completed_cb), + cclient); + break; + default:; + } +} + +/* + * Our windows which we need the WM to ingore are the overlay and the stage + * window. + */ +static Bool +mb_wm_comp_mgr_is_my_window_real (MBWMCompMgr * mgr, Window xwin) +{ + MBWMCompMgrClutterPrivate * priv = CMGR (mgr)->priv; + ClutterActor * stage; + + if (priv->overlay_window == xwin) + return True; + + stage = clutter_stage_get_default (); + + if (xwin == clutter_x11_get_stage_window (CLUTTER_STAGE (stage))) + return True; + + return False; +} + +static void +mbwm_cmc_add_actor (MBWMCompMgrClutter *cmgr, + MBWMCompMgrClutterClient *cclient) +{ + MBWindowManagerClient * c = MB_WM_COMP_MGR_CLIENT (cclient)->wm_client; + MBWMCompMgrClutterClientPrivate *priv = cclient->priv; + ClutterActor * d; + int desktop = mb_wm_client_get_desktop (c); + + /* + * Sanity check; if the desktop is unset, add to desktop 0. + */ + if (desktop < 0) + desktop = 0; + + d = mb_wm_comp_mgr_clutter_get_nth_desktop (cmgr, desktop); + + clutter_container_add_actor (CLUTTER_CONTAINER (d), priv->actor); +} + +MBWMCompMgr * +mb_wm_comp_mgr_clutter_new (MBWindowManager *wm) +{ + MBWMObject *mgr; + + mgr = mb_wm_object_new (MB_WM_TYPE_COMP_MGR_CLUTTER, + MBWMObjectPropWm, wm, + NULL); + + return MB_WM_COMP_MGR (mgr); +} + +/* ------------------------------- */ +/* Shadow Generation */ + +typedef struct MBGaussianMap +{ + int size; + double * data; +} MBGaussianMap; + +static double +gaussian (double r, double x, double y) +{ + return ((1 / (sqrt (2 * M_PI * r))) * + exp ((- (x * x + y * y)) / (2 * r * r))); +} + + +static MBGaussianMap * +mbwm_cmc_make_gaussian_map (double r) +{ + MBGaussianMap *c; + int size = ((int) ceil ((r * 3)) + 1) & ~1; + int center = size / 2; + int x, y; + double t = 0.0; + double g; + + c = malloc (sizeof (MBGaussianMap) + size * size * sizeof (double)); + c->size = size; + + c->data = (double *) (c + 1); + + for (y = 0; y < size; y++) + for (x = 0; x < size; x++) + { + g = gaussian (r, (double) (x - center), (double) (y - center)); + t += g; + c->data[y * size + x] = g; + } + + for (y = 0; y < size; y++) + for (x = 0; x < size; x++) + c->data[y*size + x] /= t; + + return c; +} + +static unsigned char +mbwm_cmc_sum_gaussian (MBGaussianMap * map, double opacity, + int x, int y, int width, int height) +{ + int fx, fy; + double * g_data; + double * g_line = map->data; + int g_size = map->size; + int center = g_size / 2; + int fx_start, fx_end; + int fy_start, fy_end; + double v; + unsigned int r; + + /* + * Compute set of filter values which are "in range", + * that's the set with: + * 0 <= x + (fx-center) && x + (fx-center) < width && + * 0 <= y + (fy-center) && y + (fy-center) < height + * + * 0 <= x + (fx - center) x + fx - center < width + * center - x <= fx fx < width + center - x + */ + + fx_start = center - x; + if (fx_start < 0) + fx_start = 0; + fx_end = width + center - x; + if (fx_end > g_size) + fx_end = g_size; + + fy_start = center - y; + if (fy_start < 0) + fy_start = 0; + fy_end = height + center - y; + if (fy_end > g_size) + fy_end = g_size; + + g_line = g_line + fy_start * g_size + fx_start; + + v = 0; + for (fy = fy_start; fy < fy_end; fy++) + { + g_data = g_line; + g_line += g_size; + + for (fx = fx_start; fx < fx_end; fx++) + v += *g_data++; + } + if (v > 1) + v = 1; + + v *= (opacity * 255.0); + + r = (unsigned int) v; + + return (unsigned char) r; +} + +static unsigned char * +mbwm_cmc_shadow_gaussian_make_tile () +{ + unsigned char * data; + int size; + int center; + int x, y; + unsigned char d; + int pwidth, pheight; + double opacity = SHADOW_OPACITY; + static MBGaussianMap * gaussian_map = NULL; + + struct _mypixel + { + unsigned char r; + unsigned char g; + unsigned char b; + unsigned char a; + } * _d; + + + if (!gaussian_map) + gaussian_map = + mbwm_cmc_make_gaussian_map (SHADOW_RADIUS); + + size = gaussian_map->size; + center = size / 2; + + /* Top & bottom */ + + pwidth = MAX_TILE_SZ; + pheight = MAX_TILE_SZ; + + data = mb_wm_util_malloc0 (4 * WIDTH * HEIGHT); + + _d = (struct _mypixel*) data; + + /* N */ + for (y = 0; y < pheight; y++) + { + d = mbwm_cmc_sum_gaussian (gaussian_map, opacity, + center, y - center, + WIDTH, HEIGHT); + for (x = 0; x < pwidth; x++) + { + _d[y*3*pwidth + x + pwidth].r = 0; + _d[y*3*pwidth + x + pwidth].g = 0; + _d[y*3*pwidth + x + pwidth].b = 0; + _d[y*3*pwidth + x + pwidth].a = d; + } + + } + + /* S */ + pwidth = MAX_TILE_SZ; + pheight = MAX_TILE_SZ; + + for (y = 0; y < pheight; y++) + { + d = mbwm_cmc_sum_gaussian (gaussian_map, opacity, + center, y - center, + WIDTH, HEIGHT); + for (x = 0; x < pwidth; x++) + { + _d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x + pwidth].r = 0; + _d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x + pwidth].g = 0; + _d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x + pwidth].b = 0; + _d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x + pwidth].a = d; + } + + } + + + /* w */ + pwidth = MAX_TILE_SZ; + pheight = MAX_TILE_SZ; + + for (x = 0; x < pwidth; x++) + { + d = mbwm_cmc_sum_gaussian (gaussian_map, opacity, + x - center, center, + WIDTH, HEIGHT); + for (y = 0; y < pheight; y++) + { + _d[y*3*pwidth + 3*pwidth*pheight + x].r = 0; + _d[y*3*pwidth + 3*pwidth*pheight + x].g = 0; + _d[y*3*pwidth + 3*pwidth*pheight + x].b = 0; + _d[y*3*pwidth + 3*pwidth*pheight + x].a = d; + } + + } + + /* E */ + for (x = 0; x < pwidth; x++) + { + d = mbwm_cmc_sum_gaussian (gaussian_map, opacity, + x - center, center, + WIDTH, HEIGHT); + for (y = 0; y < pheight; y++) + { + _d[y*3*pwidth + 3*pwidth*pheight + (pwidth-x-1) + 2*pwidth].r = 0; + _d[y*3*pwidth + 3*pwidth*pheight + (pwidth-x-1) + 2*pwidth].g = 0; + _d[y*3*pwidth + 3*pwidth*pheight + (pwidth-x-1) + 2*pwidth].b = 0; + _d[y*3*pwidth + 3*pwidth*pheight + (pwidth-x-1) + 2*pwidth].a = d; + } + + } + + /* NW */ + pwidth = MAX_TILE_SZ; + pheight = MAX_TILE_SZ; + + for (x = 0; x < pwidth; x++) + for (y = 0; y < pheight; y++) + { + d = mbwm_cmc_sum_gaussian (gaussian_map, opacity, + x-center, y-center, + WIDTH, HEIGHT); + + _d[y*3*pwidth + x].r = 0; + _d[y*3*pwidth + x].g = 0; + _d[y*3*pwidth + x].b = 0; + _d[y*3*pwidth + x].a = d; + } + + /* SW */ + for (x = 0; x < pwidth; x++) + for (y = 0; y < pheight; y++) + { + d = mbwm_cmc_sum_gaussian (gaussian_map, opacity, + x-center, y-center, + WIDTH, HEIGHT); + + _d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x].r = 0; + _d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x].g = 0; + _d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x].b = 0; + _d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x].a = d; + } + + /* SE */ + for (x = 0; x < pwidth; x++) + for (y = 0; y < pheight; y++) + { + d = mbwm_cmc_sum_gaussian (gaussian_map, opacity, + x-center, y-center, + WIDTH, HEIGHT); + + _d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + (pwidth-x-1) + + 2*pwidth].r = 0; + _d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + (pwidth-x-1) + + 2*pwidth].g = 0; + _d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + (pwidth-x-1) + + 2*pwidth].b = 0; + _d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + (pwidth-x-1) + + 2*pwidth].a = d; + } + + /* NE */ + for (x = 0; x < pwidth; x++) + for (y = 0; y < pheight; y++) + { + d = mbwm_cmc_sum_gaussian (gaussian_map, opacity, + x-center, y-center, WIDTH, HEIGHT); + + _d[y*3*pwidth + (pwidth - x - 1) + 2*pwidth].r = 0; + _d[y*3*pwidth + (pwidth - x - 1) + 2*pwidth].g = 0; + _d[y*3*pwidth + (pwidth - x - 1) + 2*pwidth].b = 0; + _d[y*3*pwidth + (pwidth - x - 1) + 2*pwidth].a = d; + } + + /* center */ + pwidth = MAX_TILE_SZ; + pheight = MAX_TILE_SZ; + + d = mbwm_cmc_sum_gaussian (gaussian_map, opacity, + center, center, WIDTH, HEIGHT); + + for (x = 0; x < pwidth; x++) + for (y = 0; y < pheight; y++) + { + _d[y*3*pwidth + 3*pwidth*pheight + x + pwidth].r = 0; + _d[y*3*pwidth + 3*pwidth*pheight + x + pwidth].g = 0; + _d[y*3*pwidth + 3*pwidth*pheight + x + pwidth].b = 0; + _d[y*3*pwidth + 3*pwidth*pheight + x + pwidth].a = d; + } + + return data; +} + |