mirror of https://github.com/yshui/picom.git
2852 lines
83 KiB
C
2852 lines
83 KiB
C
// SPDX-License-Identifier: MIT
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// Copyright (c) 2011-2013, Christopher Jeffrey
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// Copyright (c) 2013 Richard Grenville <pyxlcy@gmail.com>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <inttypes.h>
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#include <math.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <xcb/composite.h>
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#include <xcb/damage.h>
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#include <xcb/render.h>
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#include <xcb/xcb.h>
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#include <xcb/xcb_renderutil.h>
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#include "atom.h"
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#include "backend/backend.h"
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#include "c2.h"
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#include "common.h"
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#include "compiler.h"
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#include "config.h"
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#include "list.h"
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#include "log.h"
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#include "picom.h"
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#include "region.h"
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#include "render.h"
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#include "string_utils.h"
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#include "types.h"
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#include "uthash_extra.h"
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#include "utils.h"
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#include "x.h"
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#ifdef CONFIG_DBUS
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#include "dbus.h"
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#endif
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#ifdef CONFIG_OPENGL
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// TODO(yshui) Get rid of this include
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#include "opengl.h"
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#endif
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#include "win.h"
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// TODO(yshui) Make more window states internal
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struct managed_win_internal {
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struct managed_win base;
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};
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#define OPAQUE (0xffffffff)
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static const int WIN_GET_LEADER_MAX_RECURSION = 20;
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static const int ROUNDED_PIXELS = 1;
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static const double ROUNDED_PERCENT = 0.05;
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/**
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* Retrieve the <code>WM_CLASS</code> of a window and update its
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* <code>win</code> structure.
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*/
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static bool win_update_class(session_t *ps, struct managed_win *w);
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static int win_update_role(session_t *ps, struct managed_win *w);
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static void win_update_wintype(session_t *ps, struct managed_win *w);
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static int win_update_name(session_t *ps, struct managed_win *w);
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/**
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* Reread opacity property of a window.
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*/
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static void win_update_opacity_prop(session_t *ps, struct managed_win *w);
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static void win_update_opacity_target(session_t *ps, struct managed_win *w);
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/**
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* Retrieve frame extents from a window.
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*/
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static void
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win_update_frame_extents(session_t *ps, struct managed_win *w, xcb_window_t client);
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static void win_update_prop_shadow_raw(session_t *ps, struct managed_win *w);
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static void win_update_prop_shadow(session_t *ps, struct managed_win *w);
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/**
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* Update leader of a window.
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*/
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static void win_update_leader(session_t *ps, struct managed_win *w);
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/// Generate a "no corners" region function, from a function that returns the
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/// region via a region_t pointer argument. Corners of the window will be removed from
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/// the returned region.
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/// Function signature has to be (win *, region_t *)
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#define gen_without_corners(fun) \
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void fun##_without_corners(const struct managed_win *w, region_t *res) { \
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fun(w, res); \
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win_region_remove_corners(w, res); \
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}
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/// Generate a "return by value" function, from a function that returns the
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/// region via a region_t pointer argument.
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/// Function signature has to be (win *)
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#define gen_by_val(fun) \
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region_t fun##_by_val(const struct managed_win *w) { \
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region_t ret; \
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pixman_region32_init(&ret); \
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fun(w, &ret); \
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return ret; \
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}
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/**
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* Clear leader cache of all windows.
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*/
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static inline void clear_cache_win_leaders(session_t *ps) {
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win_stack_foreach_managed(w, &ps->window_stack) {
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w->cache_leader = XCB_NONE;
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}
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}
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static xcb_window_t win_get_leader_raw(session_t *ps, struct managed_win *w, int recursions);
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/**
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* Get the leader of a window.
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*
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* This function updates w->cache_leader if necessary.
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*/
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static inline xcb_window_t win_get_leader(session_t *ps, struct managed_win *w) {
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return win_get_leader_raw(ps, w, 0);
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}
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/**
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* Whether the real content of the window is visible.
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*
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* A window is not considered "real" visible if it's fading out. Because in that case a
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* cached version of the window is displayed.
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*/
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static inline bool attr_pure win_is_real_visible(const struct managed_win *w) {
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return w->state != WSTATE_UNMAPPED && w->state != WSTATE_DESTROYING &&
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w->state != WSTATE_UNMAPPING;
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}
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/**
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* Update focused state of a window.
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*/
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static void win_update_focused(session_t *ps, struct managed_win *w) {
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if (UNSET != w->focused_force) {
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w->focused = w->focused_force;
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} else {
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w->focused = win_is_focused_raw(ps, w);
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// Use wintype_focus, and treat WM windows and override-redirected
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// windows specially
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if (ps->o.wintype_option[w->window_type].focus ||
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(ps->o.mark_wmwin_focused && w->wmwin) ||
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(ps->o.mark_ovredir_focused && w->base.id == w->client_win && !w->wmwin) ||
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(w->a.map_state == XCB_MAP_STATE_VIEWABLE &&
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c2_match(ps, w, ps->o.focus_blacklist, NULL))) {
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w->focused = true;
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}
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// If window grouping detection is enabled, mark the window active if
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// its group is
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if (ps->o.track_leader && ps->active_leader &&
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win_get_leader(ps, w) == ps->active_leader) {
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w->focused = true;
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}
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}
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}
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/**
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* Run win_on_factor_change() on all windows with the same leader window.
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*
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* @param leader leader window ID
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*/
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static inline void group_on_factor_change(session_t *ps, xcb_window_t leader) {
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if (!leader) {
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return;
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}
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HASH_ITER2(ps->windows, w) {
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assert(!w->destroyed);
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if (!w->managed) {
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continue;
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}
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auto mw = (struct managed_win *)w;
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if (win_get_leader(ps, mw) == leader) {
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win_on_factor_change(ps, mw);
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}
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}
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}
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static inline const char *win_get_name_if_managed(const struct win *w) {
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if (!w->managed) {
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return "(unmanaged)";
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}
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auto mw = (struct managed_win *)w;
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return mw->name;
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}
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/**
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* Return whether a window group is really focused.
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*
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* @param leader leader window ID
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* @return true if the window group is focused, false otherwise
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*/
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static inline bool group_is_focused(session_t *ps, xcb_window_t leader) {
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if (!leader) {
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return false;
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}
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HASH_ITER2(ps->windows, w) {
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assert(!w->destroyed);
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if (!w->managed) {
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continue;
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}
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auto mw = (struct managed_win *)w;
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if (win_get_leader(ps, mw) == leader && win_is_focused_raw(ps, mw)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Get a rectangular region a window occupies, excluding shadow.
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*/
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static void win_get_region_local(const struct managed_win *w, region_t *res) {
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assert(w->widthb >= 0 && w->heightb >= 0);
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pixman_region32_fini(res);
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pixman_region32_init_rect(res, 0, 0, (uint)w->widthb, (uint)w->heightb);
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}
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/**
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* Get a rectangular region a window occupies, excluding frame and shadow.
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*/
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void win_get_region_noframe_local(const struct managed_win *w, region_t *res) {
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const margin_t extents = win_calc_frame_extents(w);
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int x = extents.left;
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int y = extents.top;
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int width = max2(w->widthb - (extents.left + extents.right), 0);
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int height = max2(w->heightb - (extents.top + extents.bottom), 0);
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pixman_region32_fini(res);
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if (width > 0 && height > 0) {
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pixman_region32_init_rect(res, x, y, (uint)width, (uint)height);
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} else {
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pixman_region32_init(res);
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}
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}
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gen_without_corners(win_get_region_noframe_local);
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void win_get_region_frame_local(const struct managed_win *w, region_t *res) {
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const margin_t extents = win_calc_frame_extents(w);
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auto outer_width = w->widthb;
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auto outer_height = w->heightb;
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pixman_region32_fini(res);
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pixman_region32_init_rects(
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res,
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(rect_t[]){
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// top
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{.x1 = 0, .y1 = 0, .x2 = outer_width, .y2 = extents.top},
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// bottom
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{.x1 = 0, .y1 = outer_height - extents.bottom, .x2 = outer_width, .y2 = outer_height},
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// left
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{.x1 = 0, .y1 = 0, .x2 = extents.left, .y2 = outer_height},
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// right
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{.x1 = outer_width - extents.right, .y1 = 0, .x2 = outer_width, .y2 = outer_height},
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},
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4);
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// limit the frame region to inside the window
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region_t reg_win;
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pixman_region32_init_rects(®_win, (rect_t[]){{0, 0, outer_width, outer_height}}, 1);
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pixman_region32_intersect(res, ®_win, res);
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pixman_region32_fini(®_win);
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}
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gen_by_val(win_get_region_frame_local);
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/**
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* Add a window to damaged area.
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*
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* @param ps current session
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* @param w struct _win element representing the window
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*/
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void add_damage_from_win(session_t *ps, const struct managed_win *w) {
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// XXX there was a cached extents region, investigate
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// if that's better
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// TODO(yshui) use the bounding shape when the window is shaped, otherwise the
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// damage would be excessive
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region_t extents;
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pixman_region32_init(&extents);
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win_extents(w, &extents);
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add_damage(ps, &extents);
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pixman_region32_fini(&extents);
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}
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/// Release the images attached to this window
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static inline void win_release_pixmap(backend_t *base, struct managed_win *w) {
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log_debug("Releasing pixmap of window %#010x (%s)", w->base.id, w->name);
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assert(w->win_image);
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if (w->win_image) {
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base->ops->release_image(base, w->win_image);
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w->win_image = NULL;
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// Bypassing win_set_flags, because `w` might have been destroyed
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w->flags |= WIN_FLAGS_PIXMAP_NONE;
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}
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}
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static inline void win_release_shadow(backend_t *base, struct managed_win *w) {
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log_debug("Releasing shadow of window %#010x (%s)", w->base.id, w->name);
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assert(w->shadow_image);
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if (w->shadow_image) {
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base->ops->release_image(base, w->shadow_image);
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w->shadow_image = NULL;
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// Bypassing win_set_flags, because `w` might have been destroyed
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w->flags |= WIN_FLAGS_SHADOW_NONE;
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}
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}
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static inline void win_release_mask(backend_t *base, struct managed_win *w) {
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if (w->mask_image) {
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base->ops->release_image(base, w->mask_image);
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w->mask_image = NULL;
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}
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}
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static inline bool win_bind_pixmap(struct backend_base *b, struct managed_win *w) {
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assert(!w->win_image);
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auto pixmap = x_new_id(b->c);
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auto e = xcb_request_check(
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b->c, xcb_composite_name_window_pixmap_checked(b->c, w->base.id, pixmap));
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if (e) {
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log_error("Failed to get named pixmap for window %#010x(%s)", w->base.id,
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w->name);
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free(e);
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return false;
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}
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log_debug("New named pixmap for %#010x (%s) : %#010x", w->base.id, w->name, pixmap);
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w->win_image =
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b->ops->bind_pixmap(b, pixmap, x_get_visual_info(b->c, w->a.visual), true);
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if (!w->win_image) {
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log_error("Failed to bind pixmap");
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win_set_flags(w, WIN_FLAGS_IMAGE_ERROR);
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return false;
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}
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win_clear_flags(w, WIN_FLAGS_PIXMAP_NONE);
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return true;
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}
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bool win_bind_mask(struct backend_base *b, struct managed_win *w) {
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assert(!w->mask_image);
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auto reg_bound_local = win_get_bounding_shape_global_by_val(w);
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pixman_region32_translate(®_bound_local, -w->g.x, -w->g.y);
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w->mask_image = b->ops->make_mask(
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b, (geometry_t){.width = w->widthb, .height = w->heightb}, ®_bound_local);
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pixman_region32_fini(®_bound_local);
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if (!w->mask_image) {
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return false;
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}
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b->ops->set_image_property(b, IMAGE_PROPERTY_CORNER_RADIUS, w->mask_image,
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(double[]){w->corner_radius});
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return true;
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}
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bool win_bind_shadow(struct backend_base *b, struct managed_win *w, struct color c,
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struct backend_shadow_context *sctx) {
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assert(!w->shadow_image);
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assert(w->shadow);
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if ((w->corner_radius == 0 && w->bounding_shaped == false) ||
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b->ops->shadow_from_mask == NULL) {
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w->shadow_image = b->ops->render_shadow(b, w->widthb, w->heightb, sctx, c);
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} else {
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win_bind_mask(b, w);
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w->shadow_image = b->ops->shadow_from_mask(b, w->mask_image, sctx, c);
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}
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if (!w->shadow_image) {
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log_error("Failed to bind shadow image, shadow will be disabled "
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"for "
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"%#010x (%s)",
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w->base.id, w->name);
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win_set_flags(w, WIN_FLAGS_SHADOW_NONE);
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w->shadow = false;
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return false;
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}
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log_debug("New shadow for %#010x (%s)", w->base.id, w->name);
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win_clear_flags(w, WIN_FLAGS_SHADOW_NONE);
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return true;
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}
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void win_release_images(struct backend_base *backend, struct managed_win *w) {
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// We don't want to decide what we should do if the image we want to
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// release is stale (do we clear the stale flags or not?) But if we are
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// not releasing any images anyway, we don't care about the stale flags.
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if (!win_check_flags_all(w, WIN_FLAGS_PIXMAP_NONE)) {
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assert(!win_check_flags_all(w, WIN_FLAGS_PIXMAP_STALE));
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win_release_pixmap(backend, w);
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}
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if (!win_check_flags_all(w, WIN_FLAGS_SHADOW_NONE)) {
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assert(!win_check_flags_all(w, WIN_FLAGS_SHADOW_STALE));
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win_release_shadow(backend, w);
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}
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win_release_mask(backend, w);
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}
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/// Returns true if the `prop` property is stale, as well as clears the stale
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/// flag.
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static bool win_fetch_and_unset_property_stale(struct managed_win *w, xcb_atom_t prop);
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/// Returns true if any of the properties are stale, as well as clear all the
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/// stale flags.
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static void win_clear_all_properties_stale(struct managed_win *w);
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/// Fetch new window properties from the X server, and run appropriate updates.
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/// Might set WIN_FLAGS_FACTOR_CHANGED
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static void win_update_properties(session_t *ps, struct managed_win *w) {
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if (win_fetch_and_unset_property_stale(w, ps->atoms->a_NET_WM_WINDOW_TYPE)) {
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win_update_wintype(ps, w);
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}
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if (win_fetch_and_unset_property_stale(w, ps->atoms->a_NET_WM_WINDOW_OPACITY)) {
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win_update_opacity_prop(ps, w);
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// we cannot receive OPACITY change when window has been destroyed
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assert(w->state != WSTATE_DESTROYING);
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win_update_opacity_target(ps, w);
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}
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if (win_fetch_and_unset_property_stale(w, ps->atoms->a_NET_FRAME_EXTENTS)) {
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win_update_frame_extents(ps, w, w->client_win);
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add_damage_from_win(ps, w);
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}
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if (win_fetch_and_unset_property_stale(w, ps->atoms->aWM_NAME) ||
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win_fetch_and_unset_property_stale(w, ps->atoms->a_NET_WM_NAME)) {
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if (win_update_name(ps, w) == 1) {
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win_set_flags(w, WIN_FLAGS_FACTOR_CHANGED);
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}
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}
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if (win_fetch_and_unset_property_stale(w, ps->atoms->aWM_CLASS)) {
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if (win_update_class(ps, w)) {
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win_set_flags(w, WIN_FLAGS_FACTOR_CHANGED);
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}
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}
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if (win_fetch_and_unset_property_stale(w, ps->atoms->aWM_WINDOW_ROLE)) {
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if (win_update_role(ps, w) == 1) {
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win_set_flags(w, WIN_FLAGS_FACTOR_CHANGED);
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}
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}
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if (win_fetch_and_unset_property_stale(w, ps->atoms->a_COMPTON_SHADOW)) {
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win_update_prop_shadow(ps, w);
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}
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if (win_fetch_and_unset_property_stale(w, ps->atoms->aWM_CLIENT_LEADER) ||
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win_fetch_and_unset_property_stale(w, ps->atoms->aWM_TRANSIENT_FOR)) {
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win_update_leader(ps, w);
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}
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win_clear_all_properties_stale(w);
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}
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|
/// Handle non-image flags. This phase might set IMAGES_STALE flags
|
|
void win_process_update_flags(session_t *ps, struct managed_win *w) {
|
|
// Whether the window was visible before we process the mapped flag. i.e.
|
|
// is the window just mapped.
|
|
bool was_visible = win_is_real_visible(w);
|
|
log_trace("Processing flags for window %#010x (%s), was visible: %d", w->base.id,
|
|
w->name, was_visible);
|
|
|
|
if (win_check_flags_all(w, WIN_FLAGS_MAPPED)) {
|
|
map_win_start(ps, w);
|
|
win_clear_flags(w, WIN_FLAGS_MAPPED);
|
|
}
|
|
|
|
if (!win_is_real_visible(w)) {
|
|
// Flags of invisible windows are processed when they are mapped
|
|
return;
|
|
}
|
|
|
|
// Check client first, because later property updates need accurate client
|
|
// window information
|
|
if (win_check_flags_all(w, WIN_FLAGS_CLIENT_STALE)) {
|
|
win_recheck_client(ps, w);
|
|
win_clear_flags(w, WIN_FLAGS_CLIENT_STALE);
|
|
}
|
|
|
|
bool damaged = false;
|
|
if (win_check_flags_any(w, WIN_FLAGS_SIZE_STALE | WIN_FLAGS_POSITION_STALE)) {
|
|
if (was_visible) {
|
|
// Mark the old extents of this window as damaged. The new
|
|
// extents will be marked damaged below, after the window
|
|
// extents are updated.
|
|
//
|
|
// If the window is just mapped, we don't need to mark the
|
|
// old extent as damaged. (It's possible that the window
|
|
// was in fading and is interrupted by being mapped. In
|
|
// that case, the fading window will be added to damage by
|
|
// map_win_start, so we don't need to do it here)
|
|
add_damage_from_win(ps, w);
|
|
}
|
|
|
|
// Update window geometry
|
|
w->g = w->pending_g;
|
|
|
|
if (win_check_flags_all(w, WIN_FLAGS_SIZE_STALE)) {
|
|
win_on_win_size_change(ps, w);
|
|
win_update_bounding_shape(ps, w);
|
|
damaged = true;
|
|
win_clear_flags(w, WIN_FLAGS_SIZE_STALE);
|
|
}
|
|
|
|
if (win_check_flags_all(w, WIN_FLAGS_POSITION_STALE)) {
|
|
damaged = true;
|
|
win_clear_flags(w, WIN_FLAGS_POSITION_STALE);
|
|
}
|
|
|
|
win_update_monitor(ps->randr_nmonitors, ps->randr_monitor_regs, w);
|
|
}
|
|
|
|
if (win_check_flags_all(w, WIN_FLAGS_PROPERTY_STALE)) {
|
|
win_update_properties(ps, w);
|
|
win_clear_flags(w, WIN_FLAGS_PROPERTY_STALE);
|
|
}
|
|
|
|
// Factor change flags could be set by previous stages, so must be handled
|
|
// last
|
|
if (win_check_flags_all(w, WIN_FLAGS_FACTOR_CHANGED)) {
|
|
win_on_factor_change(ps, w);
|
|
win_clear_flags(w, WIN_FLAGS_FACTOR_CHANGED);
|
|
}
|
|
|
|
// Add damage, has to be done last so the window has the latest geometry
|
|
// information.
|
|
if (damaged) {
|
|
add_damage_from_win(ps, w);
|
|
}
|
|
}
|
|
|
|
void win_process_image_flags(session_t *ps, struct managed_win *w) {
|
|
assert(!win_check_flags_all(w, WIN_FLAGS_MAPPED));
|
|
|
|
if (w->state == WSTATE_UNMAPPED || w->state == WSTATE_DESTROYING ||
|
|
w->state == WSTATE_UNMAPPING) {
|
|
// Flags of invisible windows are processed when they are mapped
|
|
return;
|
|
}
|
|
|
|
// Not a loop
|
|
while (win_check_flags_any(w, WIN_FLAGS_IMAGES_STALE) &&
|
|
!win_check_flags_all(w, WIN_FLAGS_IMAGE_ERROR)) {
|
|
// Image needs to be updated, update it.
|
|
if (!ps->backend_data) {
|
|
// We are using legacy backend, nothing to do here.
|
|
break;
|
|
}
|
|
|
|
if (win_check_flags_all(w, WIN_FLAGS_PIXMAP_STALE)) {
|
|
// Check to make sure the window is still mapped,
|
|
// otherwise we won't be able to rebind pixmap after
|
|
// releasing it, yet we might still need the pixmap for
|
|
// rendering.
|
|
assert(w->state != WSTATE_UNMAPPING && w->state != WSTATE_DESTROYING);
|
|
if (!win_check_flags_all(w, WIN_FLAGS_PIXMAP_NONE)) {
|
|
// Must release images first, otherwise breaks
|
|
// NVIDIA driver
|
|
win_release_pixmap(ps->backend_data, w);
|
|
}
|
|
win_bind_pixmap(ps->backend_data, w);
|
|
}
|
|
|
|
if (win_check_flags_all(w, WIN_FLAGS_SHADOW_STALE)) {
|
|
if (!win_check_flags_all(w, WIN_FLAGS_SHADOW_NONE)) {
|
|
win_release_shadow(ps->backend_data, w);
|
|
}
|
|
if (w->shadow) {
|
|
win_bind_shadow(ps->backend_data, w,
|
|
(struct color){.red = ps->o.shadow_red,
|
|
.green = ps->o.shadow_green,
|
|
.blue = ps->o.shadow_blue,
|
|
.alpha = ps->o.shadow_opacity},
|
|
ps->shadow_context);
|
|
}
|
|
}
|
|
|
|
// break here, loop always run only once
|
|
break;
|
|
}
|
|
|
|
// Clear stale image flags
|
|
if (win_check_flags_any(w, WIN_FLAGS_IMAGES_STALE)) {
|
|
win_clear_flags(w, WIN_FLAGS_IMAGES_STALE);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if a window has rounded corners.
|
|
* XXX This is really dumb
|
|
*/
|
|
static bool attr_pure win_has_rounded_corners(const struct managed_win *w) {
|
|
if (!w->bounding_shaped) {
|
|
return false;
|
|
}
|
|
|
|
// Quit if border_size() returns XCB_NONE
|
|
if (!pixman_region32_not_empty((region_t *)&w->bounding_shape)) {
|
|
return false;
|
|
}
|
|
|
|
// Determine the minimum width/height of a rectangle that could mark
|
|
// a window as having rounded corners
|
|
auto minwidth =
|
|
(uint16_t)max2(w->widthb * (1 - ROUNDED_PERCENT), w->widthb - ROUNDED_PIXELS);
|
|
auto minheight =
|
|
(uint16_t)max2(w->heightb * (1 - ROUNDED_PERCENT), w->heightb - ROUNDED_PIXELS);
|
|
|
|
// Get the rectangles in the bounding region
|
|
int nrects = 0;
|
|
const rect_t *rects =
|
|
pixman_region32_rectangles((region_t *)&w->bounding_shape, &nrects);
|
|
|
|
// Look for a rectangle large enough for this window be considered
|
|
// having rounded corners
|
|
for (int i = 0; i < nrects; ++i) {
|
|
if (rects[i].x2 - rects[i].x1 >= minwidth &&
|
|
rects[i].y2 - rects[i].y1 >= minheight) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
int win_update_name(session_t *ps, struct managed_win *w) {
|
|
char **strlst = NULL;
|
|
int nstr = 0;
|
|
|
|
if (!w->client_win) {
|
|
return 0;
|
|
}
|
|
|
|
if (!(wid_get_text_prop(ps, w->client_win, ps->atoms->a_NET_WM_NAME, &strlst, &nstr))) {
|
|
log_debug("(%#010x): _NET_WM_NAME unset, falling back to "
|
|
"WM_NAME.",
|
|
w->client_win);
|
|
|
|
if (!wid_get_text_prop(ps, w->client_win, ps->atoms->aWM_NAME, &strlst, &nstr)) {
|
|
log_debug("Unsetting window name for %#010x", w->client_win);
|
|
free(w->name);
|
|
w->name = NULL;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
int ret = 0;
|
|
if (!w->name || strcmp(w->name, strlst[0]) != 0) {
|
|
ret = 1;
|
|
free(w->name);
|
|
w->name = strdup(strlst[0]);
|
|
}
|
|
|
|
free(strlst);
|
|
|
|
log_debug("(%#010x): client = %#010x, name = \"%s\", "
|
|
"ret = %d",
|
|
w->base.id, w->client_win, w->name, ret);
|
|
return ret;
|
|
}
|
|
|
|
static int win_update_role(session_t *ps, struct managed_win *w) {
|
|
char **strlst = NULL;
|
|
int nstr = 0;
|
|
|
|
if (!wid_get_text_prop(ps, w->client_win, ps->atoms->aWM_WINDOW_ROLE, &strlst, &nstr)) {
|
|
return -1;
|
|
}
|
|
|
|
int ret = 0;
|
|
if (!w->role || strcmp(w->role, strlst[0]) != 0) {
|
|
ret = 1;
|
|
free(w->role);
|
|
w->role = strdup(strlst[0]);
|
|
}
|
|
|
|
free(strlst);
|
|
|
|
log_trace("(%#010x): client = %#010x, role = \"%s\", "
|
|
"ret = %d",
|
|
w->base.id, w->client_win, w->role, ret);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Check if a window is bounding-shaped.
|
|
*/
|
|
static inline bool win_bounding_shaped(const session_t *ps, xcb_window_t wid) {
|
|
if (ps->shape_exists) {
|
|
xcb_shape_query_extents_reply_t *reply;
|
|
Bool bounding_shaped;
|
|
|
|
reply = xcb_shape_query_extents_reply(
|
|
ps->c, xcb_shape_query_extents(ps->c, wid), NULL);
|
|
bounding_shaped = reply && reply->bounding_shaped;
|
|
free(reply);
|
|
|
|
return bounding_shaped;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static wintype_t wid_get_prop_wintype(session_t *ps, xcb_window_t wid) {
|
|
winprop_t prop =
|
|
x_get_prop(ps->c, wid, ps->atoms->a_NET_WM_WINDOW_TYPE, 32L, XCB_ATOM_ATOM, 32);
|
|
|
|
for (unsigned i = 0; i < prop.nitems; ++i) {
|
|
for (wintype_t j = 1; j < NUM_WINTYPES; ++j) {
|
|
if (ps->atoms_wintypes[j] == (xcb_atom_t)prop.p32[i]) {
|
|
free_winprop(&prop);
|
|
return j;
|
|
}
|
|
}
|
|
}
|
|
|
|
free_winprop(&prop);
|
|
|
|
return WINTYPE_UNKNOWN;
|
|
}
|
|
|
|
static bool
|
|
wid_get_opacity_prop(session_t *ps, xcb_window_t wid, opacity_t def, opacity_t *out) {
|
|
bool ret = false;
|
|
*out = def;
|
|
|
|
winprop_t prop = x_get_prop(ps->c, wid, ps->atoms->a_NET_WM_WINDOW_OPACITY, 1L,
|
|
XCB_ATOM_CARDINAL, 32);
|
|
|
|
if (prop.nitems) {
|
|
*out = *prop.c32;
|
|
ret = true;
|
|
}
|
|
|
|
free_winprop(&prop);
|
|
|
|
return ret;
|
|
}
|
|
|
|
// XXX should distinguish between frame has alpha and window body has alpha
|
|
bool win_has_alpha(const struct managed_win *w) {
|
|
return w->pictfmt && w->pictfmt->type == XCB_RENDER_PICT_TYPE_DIRECT &&
|
|
w->pictfmt->direct.alpha_mask;
|
|
}
|
|
|
|
bool win_client_has_alpha(const struct managed_win *w) {
|
|
return w->client_pictfmt && w->client_pictfmt->type == XCB_RENDER_PICT_TYPE_DIRECT &&
|
|
w->client_pictfmt->direct.alpha_mask;
|
|
}
|
|
|
|
winmode_t win_calc_mode(const struct managed_win *w) {
|
|
if (w->opacity < 1.0) {
|
|
return WMODE_TRANS;
|
|
}
|
|
|
|
if (win_has_alpha(w)) {
|
|
if (w->client_win == XCB_NONE) {
|
|
// This is a window not managed by the WM, and it has
|
|
// alpha, so it's transparent. No need to check WM frame.
|
|
return WMODE_TRANS;
|
|
}
|
|
// The WM window has alpha
|
|
if (win_client_has_alpha(w)) {
|
|
// The client window also has alpha, the entire window is
|
|
// transparent
|
|
return WMODE_TRANS;
|
|
}
|
|
if (win_has_frame(w)) {
|
|
// The client window doesn't have alpha, but we have a WM
|
|
// frame window, which has alpha.
|
|
return WMODE_FRAME_TRANS;
|
|
}
|
|
// Although the WM window has alpha, the frame window has 0 size,
|
|
// so consider the window solid
|
|
}
|
|
|
|
if (w->frame_opacity != 1.0 && win_has_frame(w)) {
|
|
return WMODE_FRAME_TRANS;
|
|
}
|
|
|
|
// log_trace("Window %#010x(%s) is solid", w->client_win, w->name);
|
|
return WMODE_SOLID;
|
|
}
|
|
|
|
/**
|
|
* Calculate and return the opacity target of a window.
|
|
*
|
|
* The priority of opacity settings are:
|
|
*
|
|
* inactive_opacity_override (if set, and unfocused) > _NET_WM_WINDOW_OPACITY (if
|
|
* set) > opacity-rules (if matched) > window type default opacity >
|
|
* active/inactive opacity
|
|
*
|
|
* @param ps current session
|
|
* @param w struct _win object representing the window
|
|
*
|
|
* @return target opacity
|
|
*/
|
|
double win_calc_opacity_target(session_t *ps, const struct managed_win *w) {
|
|
double opacity = 1;
|
|
|
|
if (w->state == WSTATE_UNMAPPED) {
|
|
// be consistent
|
|
return 0;
|
|
}
|
|
if (w->state == WSTATE_UNMAPPING || w->state == WSTATE_DESTROYING) {
|
|
return 0;
|
|
}
|
|
// Try obeying opacity property and window type opacity firstly
|
|
if (w->has_opacity_prop) {
|
|
opacity = ((double)w->opacity_prop) / OPAQUE;
|
|
} else if (w->opacity_is_set) {
|
|
opacity = w->opacity_set;
|
|
} else if (!safe_isnan(ps->o.wintype_option[w->window_type].opacity)) {
|
|
opacity = ps->o.wintype_option[w->window_type].opacity;
|
|
} else {
|
|
// Respect active_opacity only when the window is physically
|
|
// focused
|
|
if (win_is_focused_raw(ps, w))
|
|
opacity = ps->o.active_opacity;
|
|
else if (!w->focused)
|
|
// Respect inactive_opacity in some cases
|
|
opacity = ps->o.inactive_opacity;
|
|
}
|
|
|
|
// respect inactive override
|
|
if (ps->o.inactive_opacity_override && !w->focused) {
|
|
opacity = ps->o.inactive_opacity;
|
|
}
|
|
|
|
return opacity;
|
|
}
|
|
|
|
/**
|
|
* Determine whether a window is to be dimmed.
|
|
*/
|
|
bool win_should_dim(session_t *ps, const struct managed_win *w) {
|
|
// Make sure we do nothing if the window is unmapped / being destroyed
|
|
if (w->state == WSTATE_UNMAPPED) {
|
|
return false;
|
|
}
|
|
|
|
if (ps->o.inactive_dim > 0 && !(w->focused)) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Determine if a window should fade on opacity change.
|
|
*/
|
|
bool win_should_fade(session_t *ps, const struct managed_win *w) {
|
|
// To prevent it from being overwritten by last-paint value if the window
|
|
// is
|
|
if (w->fade_force != UNSET) {
|
|
return w->fade_force;
|
|
}
|
|
if (ps->o.no_fading_openclose && w->in_openclose) {
|
|
return false;
|
|
}
|
|
if (ps->o.no_fading_destroyed_argb && w->state == WSTATE_DESTROYING &&
|
|
win_has_alpha(w) && w->client_win && w->client_win != w->base.id) {
|
|
// deprecated
|
|
return false;
|
|
}
|
|
if (w->fade_excluded) {
|
|
return false;
|
|
}
|
|
return ps->o.wintype_option[w->window_type].fade;
|
|
}
|
|
|
|
/**
|
|
* Reread _COMPTON_SHADOW property from a window.
|
|
*
|
|
* The property must be set on the outermost window, usually the WM frame.
|
|
*/
|
|
void win_update_prop_shadow_raw(session_t *ps, struct managed_win *w) {
|
|
winprop_t prop = x_get_prop(ps->c, w->base.id, ps->atoms->a_COMPTON_SHADOW, 1,
|
|
XCB_ATOM_CARDINAL, 32);
|
|
|
|
if (!prop.nitems) {
|
|
w->prop_shadow = -1;
|
|
} else {
|
|
w->prop_shadow = *prop.c32;
|
|
}
|
|
|
|
free_winprop(&prop);
|
|
}
|
|
|
|
static void win_set_shadow(session_t *ps, struct managed_win *w, bool shadow_new) {
|
|
if (w->shadow == shadow_new) {
|
|
return;
|
|
}
|
|
|
|
log_debug("Updating shadow property of window %#010x (%s) to %d", w->base.id,
|
|
w->name, shadow_new);
|
|
|
|
// We don't handle property updates of non-visible windows until they are
|
|
// mapped.
|
|
assert(w->state != WSTATE_UNMAPPED && w->state != WSTATE_DESTROYING &&
|
|
w->state != WSTATE_UNMAPPING);
|
|
|
|
// Keep a copy of window extent before the shadow change. Will be used for
|
|
// calculation of damaged region
|
|
region_t extents;
|
|
pixman_region32_init(&extents);
|
|
win_extents(w, &extents);
|
|
|
|
// Apply the shadow change
|
|
w->shadow = shadow_new;
|
|
|
|
if (ps->redirected) {
|
|
// Add damage for shadow change
|
|
|
|
// Window extents need update on shadow state change
|
|
// Shadow geometry currently doesn't change on shadow state change
|
|
// calc_shadow_geometry(ps, w);
|
|
|
|
// Note: because the release and creation of the shadow images are
|
|
// delayed. When multiple shadow changes happen in a row, without
|
|
// rendering phase between them, there could be a stale shadow
|
|
// image attached to the window even if w->shadow was previously
|
|
// false. And vice versa. So we check the STALE flag before
|
|
// asserting the existence of the shadow image.
|
|
if (w->shadow) {
|
|
// Mark the new extents as damaged if the shadow is added
|
|
assert(!w->shadow_image ||
|
|
win_check_flags_all(w, WIN_FLAGS_SHADOW_STALE) ||
|
|
ps->o.legacy_backends);
|
|
pixman_region32_clear(&extents);
|
|
win_extents(w, &extents);
|
|
add_damage_from_win(ps, w);
|
|
} else {
|
|
// Mark the old extents as damaged if the shadow is
|
|
// removed
|
|
assert(w->shadow_image ||
|
|
win_check_flags_all(w, WIN_FLAGS_SHADOW_STALE) ||
|
|
ps->o.legacy_backends);
|
|
add_damage(ps, &extents);
|
|
}
|
|
|
|
// Delayed update of shadow image
|
|
// By setting WIN_FLAGS_SHADOW_STALE, we ask win_process_flags to
|
|
// re-create or release the shaodw in based on whether w->shadow
|
|
// is set.
|
|
win_set_flags(w, WIN_FLAGS_SHADOW_STALE);
|
|
|
|
// Only set pending_updates if we are redirected. Otherwise change
|
|
// of a shadow won't have influence on whether we should redirect.
|
|
ps->pending_updates = true;
|
|
}
|
|
|
|
pixman_region32_fini(&extents);
|
|
}
|
|
|
|
/**
|
|
* Determine if a window should have shadow, and update things depending
|
|
* on shadow state.
|
|
*/
|
|
static void win_determine_shadow(session_t *ps, struct managed_win *w) {
|
|
log_debug("Determining shadow of window %#010x (%s)", w->base.id, w->name);
|
|
bool shadow_new = w->shadow;
|
|
|
|
if (w->shadow_force != UNSET) {
|
|
shadow_new = w->shadow_force;
|
|
} else if (w->a.map_state == XCB_MAP_STATE_VIEWABLE) {
|
|
shadow_new = true;
|
|
if (!ps->o.wintype_option[w->window_type].shadow) {
|
|
log_debug("Shadow disabled by wintypes");
|
|
shadow_new = false;
|
|
} else if (c2_match(ps, w, ps->o.shadow_blacklist, NULL)) {
|
|
log_debug("Shadow disabled by shadow-exclude");
|
|
shadow_new = false;
|
|
} else if (ps->o.shadow_ignore_shaped && w->bounding_shaped &&
|
|
!w->rounded_corners) {
|
|
log_debug("Shadow disabled by shadow-ignore-shaped");
|
|
shadow_new = false;
|
|
} else if (w->prop_shadow == 0) {
|
|
log_debug("Shadow disabled by shadow property");
|
|
shadow_new = false;
|
|
}
|
|
}
|
|
|
|
win_set_shadow(ps, w, shadow_new);
|
|
}
|
|
|
|
/**
|
|
* Reread _COMPTON_SHADOW property from a window and update related
|
|
* things.
|
|
*/
|
|
void win_update_prop_shadow(session_t *ps, struct managed_win *w) {
|
|
long long attr_shadow_old = w->prop_shadow;
|
|
|
|
win_update_prop_shadow_raw(ps, w);
|
|
|
|
if (w->prop_shadow != attr_shadow_old) {
|
|
win_determine_shadow(ps, w);
|
|
}
|
|
}
|
|
|
|
static void win_determine_clip_shadow_above(session_t *ps, struct managed_win *w) {
|
|
bool should_crop = (ps->o.wintype_option[w->window_type].clip_shadow_above ||
|
|
c2_match(ps, w, ps->o.shadow_clip_list, NULL));
|
|
w->clip_shadow_above = should_crop;
|
|
}
|
|
|
|
static void win_set_invert_color(session_t *ps, struct managed_win *w, bool invert_color_new) {
|
|
if (w->invert_color == invert_color_new) {
|
|
return;
|
|
}
|
|
|
|
w->invert_color = invert_color_new;
|
|
|
|
add_damage_from_win(ps, w);
|
|
}
|
|
|
|
/**
|
|
* Determine if a window should have color inverted.
|
|
*/
|
|
static void win_determine_invert_color(session_t *ps, struct managed_win *w) {
|
|
bool invert_color_new = w->invert_color;
|
|
|
|
if (UNSET != w->invert_color_force) {
|
|
invert_color_new = w->invert_color_force;
|
|
} else if (w->a.map_state == XCB_MAP_STATE_VIEWABLE) {
|
|
invert_color_new = c2_match(ps, w, ps->o.invert_color_list, NULL);
|
|
}
|
|
|
|
win_set_invert_color(ps, w, invert_color_new);
|
|
}
|
|
|
|
/**
|
|
* Set w->invert_color_force of a window.
|
|
*/
|
|
void win_set_invert_color_force(session_t *ps, struct managed_win *w, switch_t val) {
|
|
if (val != w->invert_color_force) {
|
|
w->invert_color_force = val;
|
|
win_determine_invert_color(ps, w);
|
|
queue_redraw(ps);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set w->fade_force of a window.
|
|
*
|
|
* Doesn't affect fading already in progress
|
|
*/
|
|
void win_set_fade_force(struct managed_win *w, switch_t val) {
|
|
w->fade_force = val;
|
|
}
|
|
|
|
/**
|
|
* Set w->focused_force of a window.
|
|
*/
|
|
void win_set_focused_force(session_t *ps, struct managed_win *w, switch_t val) {
|
|
if (val != w->focused_force) {
|
|
w->focused_force = val;
|
|
win_on_factor_change(ps, w);
|
|
queue_redraw(ps);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set w->shadow_force of a window.
|
|
*/
|
|
void win_set_shadow_force(session_t *ps, struct managed_win *w, switch_t val) {
|
|
if (val != w->shadow_force) {
|
|
w->shadow_force = val;
|
|
win_determine_shadow(ps, w);
|
|
queue_redraw(ps);
|
|
}
|
|
}
|
|
|
|
static void
|
|
win_set_blur_background(session_t *ps, struct managed_win *w, bool blur_background_new) {
|
|
if (w->blur_background == blur_background_new)
|
|
return;
|
|
|
|
w->blur_background = blur_background_new;
|
|
|
|
// This damage might not be absolutely necessary (e.g. when the window is
|
|
// opaque), but blur_background changes should be rare, so this should be
|
|
// fine.
|
|
add_damage_from_win(ps, w);
|
|
}
|
|
|
|
static void
|
|
win_set_fg_shader(session_t *ps, struct managed_win *w, struct shader_info *shader_new) {
|
|
if (w->fg_shader == shader_new) {
|
|
return;
|
|
}
|
|
|
|
w->fg_shader = shader_new;
|
|
|
|
// A different shader might change how the window is drawn, these changes
|
|
// should be rare however, so this should be fine.
|
|
add_damage_from_win(ps, w);
|
|
}
|
|
|
|
/**
|
|
* Determine if a window should have background blurred.
|
|
*/
|
|
static void win_determine_blur_background(session_t *ps, struct managed_win *w) {
|
|
log_debug("Determining blur-background of window %#010x (%s)", w->base.id, w->name);
|
|
if (w->a.map_state != XCB_MAP_STATE_VIEWABLE) {
|
|
return;
|
|
}
|
|
|
|
bool blur_background_new = ps->o.blur_method != BLUR_METHOD_NONE;
|
|
if (blur_background_new) {
|
|
if (!ps->o.wintype_option[w->window_type].blur_background) {
|
|
log_debug("Blur background disabled by wintypes");
|
|
blur_background_new = false;
|
|
} else if (c2_match(ps, w, ps->o.blur_background_blacklist, NULL)) {
|
|
log_debug("Blur background disabled by "
|
|
"blur-background-exclude");
|
|
blur_background_new = false;
|
|
}
|
|
}
|
|
|
|
win_set_blur_background(ps, w, blur_background_new);
|
|
}
|
|
|
|
/**
|
|
* Determine if a window should have rounded corners.
|
|
*/
|
|
static void win_determine_rounded_corners(session_t *ps, struct managed_win *w) {
|
|
if (ps->o.corner_radius == 0) {
|
|
w->corner_radius = 0;
|
|
return;
|
|
}
|
|
|
|
// Don't round full screen windows & excluded windows
|
|
if ((w && win_is_fullscreen(ps, w)) ||
|
|
c2_match(ps, w, ps->o.rounded_corners_blacklist, NULL)) {
|
|
w->corner_radius = 0;
|
|
log_debug("Not rounding corners for window %#010x", w->base.id);
|
|
} else {
|
|
w->corner_radius = ps->o.corner_radius;
|
|
log_debug("Rounding corners for window %#010x", w->base.id);
|
|
// Initialize the border color to an invalid value
|
|
w->border_col[0] = w->border_col[1] = w->border_col[2] =
|
|
w->border_col[3] = -1.0F;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Determine custom window shader to use for a window.
|
|
*/
|
|
static void win_determine_fg_shader(session_t *ps, struct managed_win *w) {
|
|
if (w->a.map_state != XCB_MAP_STATE_VIEWABLE) {
|
|
return;
|
|
}
|
|
|
|
auto shader_new = ps->o.window_shader_fg;
|
|
void *val = NULL;
|
|
if (c2_match(ps, w, ps->o.window_shader_fg_rules, &val)) {
|
|
shader_new = val;
|
|
}
|
|
|
|
struct shader_info *shader = NULL;
|
|
if (shader_new) {
|
|
HASH_FIND_STR(ps->shaders, shader_new, shader);
|
|
}
|
|
|
|
win_set_fg_shader(ps, w, shader);
|
|
}
|
|
|
|
/**
|
|
* Update window opacity according to opacity rules.
|
|
*/
|
|
void win_update_opacity_rule(session_t *ps, struct managed_win *w) {
|
|
if (w->a.map_state != XCB_MAP_STATE_VIEWABLE) {
|
|
return;
|
|
}
|
|
|
|
double opacity = 1.0;
|
|
bool is_set = false;
|
|
void *val = NULL;
|
|
if (c2_match(ps, w, ps->o.opacity_rules, &val)) {
|
|
opacity = ((double)(long)val) / 100.0;
|
|
is_set = true;
|
|
}
|
|
|
|
w->opacity_set = opacity;
|
|
w->opacity_is_set = is_set;
|
|
}
|
|
|
|
/**
|
|
* Function to be called on window data changes.
|
|
*
|
|
* TODO(yshui) need better name
|
|
*/
|
|
void win_on_factor_change(session_t *ps, struct managed_win *w) {
|
|
log_debug("Window %#010x (%s) factor change", w->base.id, w->name);
|
|
// Focus needs to be updated first, as other rules might depend on the
|
|
// focused state of the window
|
|
win_update_focused(ps, w);
|
|
|
|
win_determine_shadow(ps, w);
|
|
win_determine_clip_shadow_above(ps, w);
|
|
win_determine_invert_color(ps, w);
|
|
win_determine_blur_background(ps, w);
|
|
win_determine_rounded_corners(ps, w);
|
|
win_determine_fg_shader(ps, w);
|
|
w->mode = win_calc_mode(w);
|
|
log_debug("Window mode changed to %d", w->mode);
|
|
win_update_opacity_rule(ps, w);
|
|
if (w->a.map_state == XCB_MAP_STATE_VIEWABLE) {
|
|
w->paint_excluded = c2_match(ps, w, ps->o.paint_blacklist, NULL);
|
|
}
|
|
if (w->a.map_state == XCB_MAP_STATE_VIEWABLE) {
|
|
w->unredir_if_possible_excluded =
|
|
c2_match(ps, w, ps->o.unredir_if_possible_blacklist, NULL);
|
|
}
|
|
|
|
w->fade_excluded = c2_match(ps, w, ps->o.fade_blacklist, NULL);
|
|
|
|
w->transparent_clipping_excluded =
|
|
c2_match(ps, w, ps->o.transparent_clipping_blacklist, NULL);
|
|
|
|
win_update_opacity_target(ps, w);
|
|
|
|
w->reg_ignore_valid = false;
|
|
}
|
|
|
|
/**
|
|
* Update cache data in struct _win that depends on window size.
|
|
*/
|
|
void win_on_win_size_change(session_t *ps, struct managed_win *w) {
|
|
w->widthb = w->g.width + w->g.border_width * 2;
|
|
w->heightb = w->g.height + w->g.border_width * 2;
|
|
w->shadow_dx = ps->o.shadow_offset_x;
|
|
w->shadow_dy = ps->o.shadow_offset_y;
|
|
w->shadow_width = w->widthb + ps->o.shadow_radius * 2;
|
|
w->shadow_height = w->heightb + ps->o.shadow_radius * 2;
|
|
|
|
// We don't handle property updates of non-visible windows until they are
|
|
// mapped.
|
|
assert(w->state != WSTATE_UNMAPPED && w->state != WSTATE_DESTROYING &&
|
|
w->state != WSTATE_UNMAPPING);
|
|
|
|
// Invalidate the shadow we built
|
|
win_set_flags(w, WIN_FLAGS_IMAGES_STALE);
|
|
win_release_mask(ps->backend_data, w);
|
|
ps->pending_updates = true;
|
|
free_paint(ps, &w->shadow_paint);
|
|
}
|
|
|
|
/**
|
|
* Update window type.
|
|
*/
|
|
void win_update_wintype(session_t *ps, struct managed_win *w) {
|
|
const wintype_t wtype_old = w->window_type;
|
|
|
|
// Detect window type here
|
|
w->window_type = wid_get_prop_wintype(ps, w->client_win);
|
|
|
|
// Conform to EWMH standard, if _NET_WM_WINDOW_TYPE is not present, take
|
|
// override-redirect windows or windows without WM_TRANSIENT_FOR as
|
|
// _NET_WM_WINDOW_TYPE_NORMAL, otherwise as _NET_WM_WINDOW_TYPE_DIALOG.
|
|
if (WINTYPE_UNKNOWN == w->window_type) {
|
|
if (w->a.override_redirect ||
|
|
!wid_has_prop(ps, w->client_win, ps->atoms->aWM_TRANSIENT_FOR))
|
|
w->window_type = WINTYPE_NORMAL;
|
|
else
|
|
w->window_type = WINTYPE_DIALOG;
|
|
}
|
|
|
|
if (w->window_type != wtype_old) {
|
|
win_on_factor_change(ps, w);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Mark a window as the client window of another.
|
|
*
|
|
* @param ps current session
|
|
* @param w struct _win of the parent window
|
|
* @param client window ID of the client window
|
|
*/
|
|
void win_mark_client(session_t *ps, struct managed_win *w, xcb_window_t client) {
|
|
w->client_win = client;
|
|
|
|
// If the window isn't mapped yet, stop here, as the function will be
|
|
// called in map_win()
|
|
if (w->a.map_state != XCB_MAP_STATE_VIEWABLE) {
|
|
return;
|
|
}
|
|
|
|
auto e = xcb_request_check(
|
|
ps->c, xcb_change_window_attributes_checked(
|
|
ps->c, client, XCB_CW_EVENT_MASK,
|
|
(const uint32_t[]){determine_evmask(ps, client, WIN_EVMODE_CLIENT)}));
|
|
if (e) {
|
|
log_error("Failed to change event mask of window %#010x", client);
|
|
free(e);
|
|
}
|
|
|
|
win_update_wintype(ps, w);
|
|
|
|
// Get frame widths. The window is in damaged area already.
|
|
win_update_frame_extents(ps, w, client);
|
|
|
|
// Get window group
|
|
if (ps->o.track_leader) {
|
|
win_update_leader(ps, w);
|
|
}
|
|
|
|
// Get window name and class if we are tracking them
|
|
win_update_name(ps, w);
|
|
win_update_class(ps, w);
|
|
win_update_role(ps, w);
|
|
|
|
// Update everything related to conditions
|
|
win_on_factor_change(ps, w);
|
|
|
|
auto r = xcb_get_window_attributes_reply(
|
|
ps->c, xcb_get_window_attributes(ps->c, w->client_win), &e);
|
|
if (!r) {
|
|
log_error_x_error(e, "Failed to get client window attributes");
|
|
return;
|
|
}
|
|
|
|
w->client_pictfmt = x_get_pictform_for_visual(ps->c, r->visual);
|
|
free(r);
|
|
}
|
|
|
|
/**
|
|
* Unmark current client window of a window.
|
|
*
|
|
* @param ps current session
|
|
* @param w struct _win of the parent window
|
|
*/
|
|
void win_unmark_client(session_t *ps, struct managed_win *w) {
|
|
xcb_window_t client = w->client_win;
|
|
log_debug("Detaching client window %#010x from frame %#010x (%s)", client,
|
|
w->base.id, w->name);
|
|
|
|
w->client_win = XCB_NONE;
|
|
|
|
// Recheck event mask
|
|
xcb_change_window_attributes(
|
|
ps->c, client, XCB_CW_EVENT_MASK,
|
|
(const uint32_t[]){determine_evmask(ps, client, WIN_EVMODE_UNKNOWN)});
|
|
}
|
|
|
|
/**
|
|
* Look for the client window of a particular window.
|
|
*/
|
|
static xcb_window_t find_client_win(session_t *ps, xcb_window_t w) {
|
|
if (wid_has_prop(ps, w, ps->atoms->aWM_STATE)) {
|
|
return w;
|
|
}
|
|
|
|
xcb_query_tree_reply_t *reply =
|
|
xcb_query_tree_reply(ps->c, xcb_query_tree(ps->c, w), NULL);
|
|
if (!reply) {
|
|
return 0;
|
|
}
|
|
|
|
xcb_window_t *children = xcb_query_tree_children(reply);
|
|
int nchildren = xcb_query_tree_children_length(reply);
|
|
int i;
|
|
xcb_window_t ret = 0;
|
|
|
|
for (i = 0; i < nchildren; ++i) {
|
|
if ((ret = find_client_win(ps, children[i]))) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
free(reply);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Recheck client window of a window.
|
|
*
|
|
* @param ps current session
|
|
* @param w struct _win of the parent window
|
|
*/
|
|
void win_recheck_client(session_t *ps, struct managed_win *w) {
|
|
assert(ps->server_grabbed);
|
|
// Initialize wmwin to false
|
|
w->wmwin = false;
|
|
|
|
// Look for the client window
|
|
|
|
// Always recursively look for a window with WM_STATE, as Fluxbox
|
|
// sets override-redirect flags on all frame windows.
|
|
xcb_window_t cw = find_client_win(ps, w->base.id);
|
|
if (cw) {
|
|
log_debug("(%#010x): client %#010x", w->base.id, cw);
|
|
}
|
|
// Set a window's client window to itself if we couldn't find a
|
|
// client window
|
|
if (!cw) {
|
|
cw = w->base.id;
|
|
w->wmwin = !w->a.override_redirect;
|
|
log_debug("(%#010x): client self (%s)", w->base.id,
|
|
(w->wmwin ? "wmwin" : "override-redirected"));
|
|
}
|
|
|
|
// Unmark the old one
|
|
if (w->client_win && w->client_win != cw) {
|
|
win_unmark_client(ps, w);
|
|
}
|
|
|
|
// Mark the new one
|
|
win_mark_client(ps, w, cw);
|
|
}
|
|
|
|
/**
|
|
* Free all resources in a <code>struct _win</code>.
|
|
*/
|
|
void free_win_res(session_t *ps, struct managed_win *w) {
|
|
// No need to call backend release_image here because
|
|
// finish_unmap_win should've done that for us.
|
|
// XXX unless we are called by session_destroy
|
|
// assert(w->win_data == NULL);
|
|
free_win_res_glx(ps, w);
|
|
free_paint(ps, &w->paint);
|
|
free_paint(ps, &w->shadow_paint);
|
|
// Above should be done during unmapping
|
|
// Except when we are called by session_destroy
|
|
|
|
pixman_region32_fini(&w->bounding_shape);
|
|
// BadDamage may be thrown if the window is destroyed
|
|
set_ignore_cookie(ps, xcb_damage_destroy(ps->c, w->damage));
|
|
rc_region_unref(&w->reg_ignore);
|
|
free(w->name);
|
|
free(w->class_instance);
|
|
free(w->class_general);
|
|
free(w->role);
|
|
|
|
free(w->stale_props);
|
|
w->stale_props = NULL;
|
|
w->stale_props_capacity = 0;
|
|
}
|
|
|
|
/// Insert a new window after list_node `prev`
|
|
/// New window will be in unmapped state
|
|
static struct win *add_win(session_t *ps, xcb_window_t id, struct list_node *prev) {
|
|
log_debug("Adding window %#010x", id);
|
|
struct win *old_w = NULL;
|
|
HASH_FIND_INT(ps->windows, &id, old_w);
|
|
assert(old_w == NULL);
|
|
|
|
auto new_w = cmalloc(struct win);
|
|
list_insert_after(prev, &new_w->stack_neighbour);
|
|
new_w->id = id;
|
|
new_w->managed = false;
|
|
new_w->is_new = true;
|
|
new_w->destroyed = false;
|
|
|
|
HASH_ADD_INT(ps->windows, id, new_w);
|
|
ps->pending_updates = true;
|
|
return new_w;
|
|
}
|
|
|
|
/// Insert a new win entry at the top of the stack
|
|
struct win *add_win_top(session_t *ps, xcb_window_t id) {
|
|
return add_win(ps, id, &ps->window_stack);
|
|
}
|
|
|
|
/// Insert a new window above window with id `below`, if there is no window, add
|
|
/// to top New window will be in unmapped state
|
|
struct win *add_win_above(session_t *ps, xcb_window_t id, xcb_window_t below) {
|
|
struct win *w = NULL;
|
|
HASH_FIND_INT(ps->windows, &below, w);
|
|
if (!w) {
|
|
if (!list_is_empty(&ps->window_stack)) {
|
|
// `below` window is not found even if the window stack is
|
|
// not empty
|
|
return NULL;
|
|
}
|
|
return add_win_top(ps, id);
|
|
} else {
|
|
// we found something from the hash table, so if the stack is
|
|
// empty, we are in an inconsistent state.
|
|
assert(!list_is_empty(&ps->window_stack));
|
|
return add_win(ps, id, w->stack_neighbour.prev);
|
|
}
|
|
}
|
|
|
|
/// Query the Xorg for information about window `win`
|
|
/// `win` pointer might become invalid after this function returns
|
|
/// Returns the pointer to the window, might be different from `w`
|
|
struct win *fill_win(session_t *ps, struct win *w) {
|
|
static const struct managed_win win_def = {
|
|
// No need to initialize. (or, you can think that
|
|
// they are initialized right here).
|
|
// The following ones are updated during paint or paint preprocess
|
|
.shadow_opacity = 0.0,
|
|
.to_paint = false,
|
|
.frame_opacity = 1.0,
|
|
.dim = false,
|
|
.invert_color = false,
|
|
.blur_background = false,
|
|
.reg_ignore = NULL,
|
|
// The following ones are updated for other reasons
|
|
.pixmap_damaged = false, // updated by damage events
|
|
.state = WSTATE_UNMAPPED, // updated by window state changes
|
|
.in_openclose = true, // set to false after first map is done,
|
|
// true here because window is just created
|
|
.reg_ignore_valid = false, // set to true when damaged
|
|
.flags = WIN_FLAGS_IMAGES_NONE, // updated by
|
|
// property/attributes/etc
|
|
// change
|
|
.stale_props = NULL,
|
|
.stale_props_capacity = 0,
|
|
|
|
// Runtime variables, updated by dbus
|
|
.fade_force = UNSET,
|
|
.shadow_force = UNSET,
|
|
.focused_force = UNSET,
|
|
.invert_color_force = UNSET,
|
|
|
|
// Initialized in this function
|
|
.a = {0},
|
|
.pictfmt = NULL,
|
|
.client_pictfmt = NULL,
|
|
.widthb = 0,
|
|
.heightb = 0,
|
|
.shadow_dx = 0,
|
|
.shadow_dy = 0,
|
|
.shadow_width = 0,
|
|
.shadow_height = 0,
|
|
.damage = XCB_NONE,
|
|
|
|
// Not initialized until mapped, this variables
|
|
// have no meaning or have no use until the window
|
|
// is mapped
|
|
.win_image = NULL,
|
|
.shadow_image = NULL,
|
|
.mask_image = NULL,
|
|
.prev_trans = NULL,
|
|
.shadow = false,
|
|
.clip_shadow_above = false,
|
|
.fg_shader = NULL,
|
|
.randr_monitor = -1,
|
|
.mode = WMODE_TRANS,
|
|
.ever_damaged = false,
|
|
.client_win = XCB_NONE,
|
|
.leader = XCB_NONE,
|
|
.cache_leader = XCB_NONE,
|
|
.window_type = WINTYPE_UNKNOWN,
|
|
.wmwin = false,
|
|
.focused = false,
|
|
.opacity = 0,
|
|
.opacity_target = 0,
|
|
.has_opacity_prop = false,
|
|
.opacity_prop = OPAQUE,
|
|
.opacity_is_set = false,
|
|
.opacity_set = 1,
|
|
.frame_extents = MARGIN_INIT, // in win_mark_client
|
|
.bounding_shaped = false,
|
|
.bounding_shape = {0},
|
|
.rounded_corners = false,
|
|
.paint_excluded = false,
|
|
.fade_excluded = false,
|
|
.transparent_clipping_excluded = false,
|
|
.unredir_if_possible_excluded = false,
|
|
.prop_shadow = -1,
|
|
// following 4 are set in win_mark_client
|
|
.name = NULL,
|
|
.class_instance = NULL,
|
|
.class_general = NULL,
|
|
.role = NULL,
|
|
|
|
// Initialized during paint
|
|
.paint = PAINT_INIT,
|
|
.shadow_paint = PAINT_INIT,
|
|
|
|
.corner_radius = 0,
|
|
};
|
|
|
|
assert(!w->destroyed);
|
|
assert(w->is_new);
|
|
|
|
w->is_new = false;
|
|
|
|
// Reject overlay window and already added windows
|
|
if (w->id == ps->overlay) {
|
|
return w;
|
|
}
|
|
|
|
auto duplicated_win = find_managed_win(ps, w->id);
|
|
if (duplicated_win) {
|
|
log_debug("Window %#010x (recorded name: %s) added multiple "
|
|
"times",
|
|
w->id, duplicated_win->name);
|
|
return &duplicated_win->base;
|
|
}
|
|
|
|
log_debug("Managing window %#010x", w->id);
|
|
xcb_get_window_attributes_cookie_t acookie = xcb_get_window_attributes(ps->c, w->id);
|
|
xcb_get_window_attributes_reply_t *a =
|
|
xcb_get_window_attributes_reply(ps->c, acookie, NULL);
|
|
if (!a || a->map_state == XCB_MAP_STATE_UNVIEWABLE) {
|
|
// Failed to get window attributes or geometry probably means
|
|
// the window is gone already. Unviewable means the window is
|
|
// already reparented elsewhere.
|
|
// BTW, we don't care about Input Only windows, except for
|
|
// stacking proposes, so we need to keep track of them still.
|
|
free(a);
|
|
return w;
|
|
}
|
|
|
|
if (a->_class == XCB_WINDOW_CLASS_INPUT_ONLY) {
|
|
// No need to manage this window, but we still keep it on the
|
|
// window stack
|
|
w->managed = false;
|
|
free(a);
|
|
return w;
|
|
}
|
|
|
|
// Allocate and initialize the new win structure
|
|
auto new_internal = cmalloc(struct managed_win_internal);
|
|
auto new = (struct managed_win *)new_internal;
|
|
|
|
// Fill structure
|
|
// We only need to initialize the part that are not initialized
|
|
// by map_win
|
|
*new = win_def;
|
|
new->base = *w;
|
|
new->base.managed = true;
|
|
new->a = *a;
|
|
pixman_region32_init(&new->bounding_shape);
|
|
|
|
free(a);
|
|
|
|
xcb_generic_error_t *e;
|
|
auto g = xcb_get_geometry_reply(ps->c, xcb_get_geometry(ps->c, w->id), &e);
|
|
if (!g) {
|
|
log_error_x_error(e, "Failed to get geometry of window %#010x", w->id);
|
|
free(e);
|
|
free(new);
|
|
return w;
|
|
}
|
|
new->pending_g = (struct win_geometry){
|
|
.x = g->x,
|
|
.y = g->y,
|
|
.width = g->width,
|
|
.height = g->height,
|
|
.border_width = g->border_width,
|
|
};
|
|
|
|
free(g);
|
|
|
|
// Create Damage for window (if not Input Only)
|
|
new->damage = x_new_id(ps->c);
|
|
e = xcb_request_check(
|
|
ps->c, xcb_damage_create_checked(ps->c, new->damage, w->id,
|
|
XCB_DAMAGE_REPORT_LEVEL_NON_EMPTY));
|
|
if (e) {
|
|
log_error_x_error(e, "Failed to create damage");
|
|
free(e);
|
|
free(new);
|
|
return w;
|
|
}
|
|
|
|
// Set window event mask
|
|
xcb_change_window_attributes(
|
|
ps->c, new->base.id, XCB_CW_EVENT_MASK,
|
|
(const uint32_t[]){determine_evmask(ps, new->base.id, WIN_EVMODE_FRAME)});
|
|
|
|
// Get notification when the shape of a window changes
|
|
if (ps->shape_exists) {
|
|
xcb_shape_select_input(ps->c, new->base.id, 1);
|
|
}
|
|
|
|
new->pictfmt = x_get_pictform_for_visual(ps->c, new->a.visual);
|
|
new->client_pictfmt = NULL;
|
|
|
|
list_replace(&w->stack_neighbour, &new->base.stack_neighbour);
|
|
struct win *replaced = NULL;
|
|
HASH_REPLACE_INT(ps->windows, id, &new->base, replaced);
|
|
assert(replaced == w);
|
|
free(w);
|
|
|
|
// Set all the stale flags on this new window, so it's properties will get
|
|
// updated when it's mapped
|
|
win_set_flags(new, WIN_FLAGS_CLIENT_STALE | WIN_FLAGS_SIZE_STALE |
|
|
WIN_FLAGS_POSITION_STALE | WIN_FLAGS_PROPERTY_STALE |
|
|
WIN_FLAGS_FACTOR_CHANGED);
|
|
xcb_atom_t init_stale_props[] = {
|
|
ps->atoms->a_NET_WM_WINDOW_TYPE, ps->atoms->a_NET_WM_WINDOW_OPACITY,
|
|
ps->atoms->a_NET_FRAME_EXTENTS, ps->atoms->aWM_NAME,
|
|
ps->atoms->a_NET_WM_NAME, ps->atoms->aWM_CLASS,
|
|
ps->atoms->aWM_WINDOW_ROLE, ps->atoms->a_COMPTON_SHADOW,
|
|
ps->atoms->aWM_CLIENT_LEADER, ps->atoms->aWM_TRANSIENT_FOR,
|
|
};
|
|
win_set_properties_stale(new, init_stale_props, ARR_SIZE(init_stale_props));
|
|
|
|
#ifdef CONFIG_DBUS
|
|
// Send D-Bus signal
|
|
if (ps->o.dbus) {
|
|
cdbus_ev_win_added(ps, &new->base);
|
|
}
|
|
#endif
|
|
return &new->base;
|
|
}
|
|
|
|
/**
|
|
* Set leader of a window.
|
|
*/
|
|
static inline void win_set_leader(session_t *ps, struct managed_win *w, xcb_window_t nleader) {
|
|
// If the leader changes
|
|
if (w->leader != nleader) {
|
|
xcb_window_t cache_leader_old = win_get_leader(ps, w);
|
|
|
|
w->leader = nleader;
|
|
|
|
// Forcefully do this to deal with the case when a child window
|
|
// gets mapped before parent, or when the window is a waypoint
|
|
clear_cache_win_leaders(ps);
|
|
|
|
// Update the old and new window group and active_leader if the
|
|
// window could affect their state.
|
|
xcb_window_t cache_leader = win_get_leader(ps, w);
|
|
if (win_is_focused_raw(ps, w) && cache_leader_old != cache_leader) {
|
|
ps->active_leader = cache_leader;
|
|
|
|
group_on_factor_change(ps, cache_leader_old);
|
|
group_on_factor_change(ps, cache_leader);
|
|
}
|
|
|
|
// Update everything related to conditions
|
|
win_on_factor_change(ps, w);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Update leader of a window.
|
|
*/
|
|
void win_update_leader(session_t *ps, struct managed_win *w) {
|
|
xcb_window_t leader = XCB_NONE;
|
|
|
|
// Read the leader properties
|
|
if (ps->o.detect_transient && !leader) {
|
|
leader =
|
|
wid_get_prop_window(ps->c, w->client_win, ps->atoms->aWM_TRANSIENT_FOR);
|
|
}
|
|
|
|
if (ps->o.detect_client_leader && !leader) {
|
|
leader =
|
|
wid_get_prop_window(ps->c, w->client_win, ps->atoms->aWM_CLIENT_LEADER);
|
|
}
|
|
|
|
win_set_leader(ps, w, leader);
|
|
|
|
log_trace("(%#010x): client %#010x, leader %#010x, cache %#010x", w->base.id,
|
|
w->client_win, w->leader, win_get_leader(ps, w));
|
|
}
|
|
|
|
/**
|
|
* Internal function of win_get_leader().
|
|
*/
|
|
static xcb_window_t win_get_leader_raw(session_t *ps, struct managed_win *w, int recursions) {
|
|
// Rebuild the cache if needed
|
|
if (!w->cache_leader && (w->client_win || w->leader)) {
|
|
// Leader defaults to client window
|
|
if (!(w->cache_leader = w->leader))
|
|
w->cache_leader = w->client_win;
|
|
|
|
// If the leader of this window isn't itself, look for its
|
|
// ancestors
|
|
if (w->cache_leader && w->cache_leader != w->client_win) {
|
|
auto wp = find_toplevel(ps, w->cache_leader);
|
|
if (wp) {
|
|
// Dead loop?
|
|
if (recursions > WIN_GET_LEADER_MAX_RECURSION)
|
|
return XCB_NONE;
|
|
|
|
w->cache_leader = win_get_leader_raw(ps, wp, recursions + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
return w->cache_leader;
|
|
}
|
|
|
|
/**
|
|
* Retrieve the <code>WM_CLASS</code> of a window and update its
|
|
* <code>win</code> structure.
|
|
*/
|
|
bool win_update_class(session_t *ps, struct managed_win *w) {
|
|
char **strlst = NULL;
|
|
int nstr = 0;
|
|
|
|
// Can't do anything if there's no client window
|
|
if (!w->client_win)
|
|
return false;
|
|
|
|
// Free and reset old strings
|
|
free(w->class_instance);
|
|
free(w->class_general);
|
|
w->class_instance = NULL;
|
|
w->class_general = NULL;
|
|
|
|
// Retrieve the property string list
|
|
if (!wid_get_text_prop(ps, w->client_win, ps->atoms->aWM_CLASS, &strlst, &nstr)) {
|
|
return false;
|
|
}
|
|
|
|
// Copy the strings if successful
|
|
w->class_instance = strdup(strlst[0]);
|
|
|
|
if (nstr > 1) {
|
|
w->class_general = strdup(strlst[1]);
|
|
}
|
|
|
|
free(strlst);
|
|
|
|
log_trace("(%#010x): client = %#010x, "
|
|
"instance = \"%s\", general = \"%s\"",
|
|
w->base.id, w->client_win, w->class_instance, w->class_general);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Handle window focus change.
|
|
*/
|
|
static void win_on_focus_change(session_t *ps, struct managed_win *w) {
|
|
// If window grouping detection is enabled
|
|
if (ps->o.track_leader) {
|
|
xcb_window_t leader = win_get_leader(ps, w);
|
|
|
|
// If the window gets focused, replace the old active_leader
|
|
if (win_is_focused_raw(ps, w) && leader != ps->active_leader) {
|
|
xcb_window_t active_leader_old = ps->active_leader;
|
|
|
|
ps->active_leader = leader;
|
|
|
|
group_on_factor_change(ps, active_leader_old);
|
|
group_on_factor_change(ps, leader);
|
|
}
|
|
// If the group get unfocused, remove it from active_leader
|
|
else if (!win_is_focused_raw(ps, w) && leader &&
|
|
leader == ps->active_leader && !group_is_focused(ps, leader)) {
|
|
ps->active_leader = XCB_NONE;
|
|
group_on_factor_change(ps, leader);
|
|
}
|
|
}
|
|
|
|
// Update everything related to conditions
|
|
win_on_factor_change(ps, w);
|
|
|
|
#ifdef CONFIG_DBUS
|
|
// Send D-Bus signal
|
|
if (ps->o.dbus) {
|
|
if (win_is_focused_raw(ps, w)) {
|
|
cdbus_ev_win_focusin(ps, &w->base);
|
|
} else {
|
|
cdbus_ev_win_focusout(ps, &w->base);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* Set real focused state of a window.
|
|
*/
|
|
void win_set_focused(session_t *ps, struct managed_win *w) {
|
|
// Unmapped windows will have their focused state reset on map
|
|
if (w->a.map_state != XCB_MAP_STATE_VIEWABLE) {
|
|
return;
|
|
}
|
|
|
|
if (win_is_focused_raw(ps, w)) {
|
|
return;
|
|
}
|
|
|
|
auto old_active_win = ps->active_win;
|
|
ps->active_win = w;
|
|
assert(win_is_focused_raw(ps, w));
|
|
|
|
if (old_active_win) {
|
|
win_on_focus_change(ps, old_active_win);
|
|
}
|
|
win_on_focus_change(ps, w);
|
|
}
|
|
|
|
/**
|
|
* Get a rectangular region a window (and possibly its shadow) occupies.
|
|
*
|
|
* Note w->shadow and shadow geometry must be correct before calling this
|
|
* function.
|
|
*/
|
|
void win_extents(const struct managed_win *w, region_t *res) {
|
|
pixman_region32_clear(res);
|
|
pixman_region32_union_rect(res, res, w->g.x, w->g.y, (uint)w->widthb, (uint)w->heightb);
|
|
|
|
if (w->shadow) {
|
|
assert(w->shadow_width >= 0 && w->shadow_height >= 0);
|
|
pixman_region32_union_rect(res, res, w->g.x + w->shadow_dx,
|
|
w->g.y + w->shadow_dy, (uint)w->shadow_width,
|
|
(uint)w->shadow_height);
|
|
}
|
|
}
|
|
|
|
gen_by_val(win_extents);
|
|
|
|
/**
|
|
* Update the out-dated bounding shape of a window.
|
|
*
|
|
* Mark the window shape as updated
|
|
*/
|
|
void win_update_bounding_shape(session_t *ps, struct managed_win *w) {
|
|
if (ps->shape_exists) {
|
|
w->bounding_shaped = win_bounding_shaped(ps, w->base.id);
|
|
}
|
|
|
|
// We don't handle property updates of non-visible windows until they are
|
|
// mapped.
|
|
assert(w->state != WSTATE_UNMAPPED && w->state != WSTATE_DESTROYING &&
|
|
w->state != WSTATE_UNMAPPING);
|
|
|
|
pixman_region32_clear(&w->bounding_shape);
|
|
// Start with the window rectangular region
|
|
win_get_region_local(w, &w->bounding_shape);
|
|
|
|
// Only request for a bounding region if the window is shaped
|
|
// (while loop is used to avoid goto, not an actual loop)
|
|
while (w->bounding_shaped) {
|
|
/*
|
|
* if window doesn't exist anymore, this will generate an error
|
|
* as well as not generate a region.
|
|
*/
|
|
|
|
xcb_shape_get_rectangles_reply_t *r = xcb_shape_get_rectangles_reply(
|
|
ps->c,
|
|
xcb_shape_get_rectangles(ps->c, w->base.id, XCB_SHAPE_SK_BOUNDING), NULL);
|
|
|
|
if (!r) {
|
|
break;
|
|
}
|
|
|
|
xcb_rectangle_t *xrects = xcb_shape_get_rectangles_rectangles(r);
|
|
int nrects = xcb_shape_get_rectangles_rectangles_length(r);
|
|
rect_t *rects = from_x_rects(nrects, xrects);
|
|
free(r);
|
|
|
|
region_t br;
|
|
pixman_region32_init_rects(&br, rects, nrects);
|
|
free(rects);
|
|
|
|
// Add border width because we are using a different origin.
|
|
// X thinks the top left of the inner window is the origin
|
|
// (for the bounding shape, althought xcb_get_geometry thinks
|
|
// the outer top left (outer means outside of the window
|
|
// border) is the origin),
|
|
// We think the top left of the border is the origin
|
|
pixman_region32_translate(&br, w->g.border_width, w->g.border_width);
|
|
|
|
// Intersect the bounding region we got with the window rectangle,
|
|
// to make sure the bounding region is not bigger than the window
|
|
// rectangle
|
|
pixman_region32_intersect(&w->bounding_shape, &w->bounding_shape, &br);
|
|
pixman_region32_fini(&br);
|
|
break;
|
|
}
|
|
|
|
if (w->bounding_shaped && ps->o.detect_rounded_corners) {
|
|
w->rounded_corners = win_has_rounded_corners(w);
|
|
}
|
|
|
|
// Window shape changed, we should free old wpaint and shadow pict
|
|
// log_trace("free out dated pict");
|
|
win_set_flags(w, WIN_FLAGS_IMAGES_STALE);
|
|
win_release_mask(ps->backend_data, w);
|
|
ps->pending_updates = true;
|
|
|
|
free_paint(ps, &w->paint);
|
|
free_paint(ps, &w->shadow_paint);
|
|
|
|
win_on_factor_change(ps, w);
|
|
}
|
|
|
|
/**
|
|
* Reread opacity property of a window.
|
|
*/
|
|
void win_update_opacity_prop(session_t *ps, struct managed_win *w) {
|
|
// get frame opacity first
|
|
w->has_opacity_prop = wid_get_opacity_prop(ps, w->base.id, OPAQUE, &w->opacity_prop);
|
|
|
|
if (w->has_opacity_prop) {
|
|
// opacity found
|
|
return;
|
|
}
|
|
|
|
if (ps->o.detect_client_opacity && w->client_win && w->base.id == w->client_win) {
|
|
// checking client opacity not allowed
|
|
return;
|
|
}
|
|
|
|
// get client opacity
|
|
w->has_opacity_prop =
|
|
wid_get_opacity_prop(ps, w->client_win, OPAQUE, &w->opacity_prop);
|
|
}
|
|
|
|
/**
|
|
* Retrieve frame extents from a window.
|
|
*/
|
|
void win_update_frame_extents(session_t *ps, struct managed_win *w, xcb_window_t client) {
|
|
winprop_t prop = x_get_prop(ps->c, client, ps->atoms->a_NET_FRAME_EXTENTS, 4L,
|
|
XCB_ATOM_CARDINAL, 32);
|
|
|
|
if (prop.nitems == 4) {
|
|
int extents[4];
|
|
for (int i = 0; i < 4; i++) {
|
|
if (prop.c32[i] > (uint32_t)INT_MAX) {
|
|
log_warn("Your window manager sets a absurd "
|
|
"_NET_FRAME_EXTENTS value (%u), "
|
|
"ignoring it.",
|
|
prop.c32[i]);
|
|
memset(extents, 0, sizeof(extents));
|
|
break;
|
|
}
|
|
extents[i] = (int)prop.c32[i];
|
|
}
|
|
|
|
const bool changed = w->frame_extents.left != extents[0] ||
|
|
w->frame_extents.right != extents[1] ||
|
|
w->frame_extents.top != extents[2] ||
|
|
w->frame_extents.bottom != extents[3];
|
|
w->frame_extents.left = extents[0];
|
|
w->frame_extents.right = extents[1];
|
|
w->frame_extents.top = extents[2];
|
|
w->frame_extents.bottom = extents[3];
|
|
|
|
// If frame_opacity != 1, then frame of this window
|
|
// is not included in reg_ignore of underneath windows
|
|
if (ps->o.frame_opacity == 1 && changed) {
|
|
w->reg_ignore_valid = false;
|
|
}
|
|
}
|
|
|
|
log_trace("(%#010x): %d, %d, %d, %d", w->base.id, w->frame_extents.left,
|
|
w->frame_extents.right, w->frame_extents.top, w->frame_extents.bottom);
|
|
|
|
free_winprop(&prop);
|
|
}
|
|
|
|
bool win_is_region_ignore_valid(session_t *ps, const struct managed_win *w) {
|
|
win_stack_foreach_managed(i, &ps->window_stack) {
|
|
if (i == w) {
|
|
break;
|
|
}
|
|
if (!i->reg_ignore_valid) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Stop listening for events on a particular window.
|
|
*/
|
|
void win_ev_stop(session_t *ps, const struct win *w) {
|
|
xcb_change_window_attributes(ps->c, w->id, XCB_CW_EVENT_MASK, (const uint32_t[]){0});
|
|
|
|
if (!w->managed) {
|
|
return;
|
|
}
|
|
|
|
auto mw = (struct managed_win *)w;
|
|
if (mw->client_win) {
|
|
xcb_change_window_attributes(ps->c, mw->client_win, XCB_CW_EVENT_MASK,
|
|
(const uint32_t[]){0});
|
|
}
|
|
|
|
if (ps->shape_exists) {
|
|
xcb_shape_select_input(ps->c, w->id, 0);
|
|
}
|
|
}
|
|
|
|
/// Finish the unmapping of a window (e.g. after fading has finished).
|
|
/// Doesn't free `w`
|
|
static void unmap_win_finish(session_t *ps, struct managed_win *w) {
|
|
w->reg_ignore_valid = false;
|
|
w->state = WSTATE_UNMAPPED;
|
|
|
|
// We are in unmap_win, this window definitely was viewable
|
|
if (ps->backend_data) {
|
|
// Only the pixmap needs to be freed and reacquired when mapping.
|
|
// Shadow image can be preserved.
|
|
if (!win_check_flags_all(w, WIN_FLAGS_PIXMAP_NONE)) {
|
|
win_release_pixmap(ps->backend_data, w);
|
|
}
|
|
} else {
|
|
assert(!w->win_image);
|
|
assert(!w->shadow_image);
|
|
}
|
|
|
|
free_paint(ps, &w->paint);
|
|
free_paint(ps, &w->shadow_paint);
|
|
|
|
// Try again at binding images when the window is mapped next time
|
|
win_clear_flags(w, WIN_FLAGS_IMAGE_ERROR);
|
|
}
|
|
|
|
/// Finish the destruction of a window (e.g. after fading has finished).
|
|
/// Frees `w`
|
|
static void destroy_win_finish(session_t *ps, struct win *w) {
|
|
log_trace("Trying to finish destroying (%#010x)", w->id);
|
|
|
|
auto next_w = win_stack_find_next_managed(ps, &w->stack_neighbour);
|
|
list_remove(&w->stack_neighbour);
|
|
|
|
if (w->managed) {
|
|
auto mw = (struct managed_win *)w;
|
|
|
|
if (mw->state != WSTATE_UNMAPPED) {
|
|
// Only UNMAPPED state has window resources freed,
|
|
// otherwise we need to call unmap_win_finish to free
|
|
// them.
|
|
// XXX actually we unmap_win_finish only frees the
|
|
// rendering resources, we still need to call free_win_res.
|
|
// will fix later.
|
|
unmap_win_finish(ps, mw);
|
|
}
|
|
|
|
// Unmapping preserves the shadow image, so free it here
|
|
if (!win_check_flags_all(mw, WIN_FLAGS_SHADOW_NONE)) {
|
|
assert(mw->shadow_image != NULL);
|
|
win_release_shadow(ps->backend_data, mw);
|
|
}
|
|
win_release_mask(ps->backend_data, mw);
|
|
|
|
// Invalidate reg_ignore of windows below this one
|
|
// TODO(yshui) what if next_w is not mapped??
|
|
/* TODO(yshui) seriously figure out how reg_ignore behaves.
|
|
* I think if `w` is unmapped, and destroyed after
|
|
* paint happened at least once, w->reg_ignore_valid would
|
|
* be true, and there is no need to invalid w->next->reg_ignore
|
|
* when w is destroyed. */
|
|
if (next_w) {
|
|
rc_region_unref(&next_w->reg_ignore);
|
|
next_w->reg_ignore_valid = false;
|
|
}
|
|
|
|
if (mw == ps->active_win) {
|
|
// Usually, the window cannot be the focused at
|
|
// destruction. FocusOut should be generated before the
|
|
// window is destroyed. We do this check just to be
|
|
// completely sure we don't have dangling references.
|
|
log_debug("window %#010x (%s) is destroyed while being "
|
|
"focused",
|
|
w->id, mw->name);
|
|
ps->active_win = NULL;
|
|
}
|
|
|
|
free_win_res(ps, mw);
|
|
|
|
// Drop w from all prev_trans to avoid accessing freed memory in
|
|
// repair_win()
|
|
// TODO(yshui) there can only be one prev_trans pointing to w
|
|
win_stack_foreach_managed(w2, &ps->window_stack) {
|
|
if (mw == w2->prev_trans) {
|
|
w2->prev_trans = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
free(w);
|
|
}
|
|
|
|
static void map_win_finish(struct managed_win *w) {
|
|
w->in_openclose = false;
|
|
w->state = WSTATE_MAPPED;
|
|
}
|
|
|
|
/// Move window `w` so it's before `next` in the list
|
|
static inline void restack_win(session_t *ps, struct win *w, struct list_node *next) {
|
|
struct managed_win *mw = NULL;
|
|
if (w->managed) {
|
|
mw = (struct managed_win *)w;
|
|
}
|
|
|
|
if (mw) {
|
|
// This invalidates all reg_ignore below the new stack position of
|
|
// `w`
|
|
mw->reg_ignore_valid = false;
|
|
rc_region_unref(&mw->reg_ignore);
|
|
|
|
// This invalidates all reg_ignore below the old stack position of
|
|
// `w`
|
|
auto next_w = win_stack_find_next_managed(ps, &w->stack_neighbour);
|
|
if (next_w) {
|
|
next_w->reg_ignore_valid = false;
|
|
rc_region_unref(&next_w->reg_ignore);
|
|
}
|
|
}
|
|
|
|
list_move_before(&w->stack_neighbour, next);
|
|
|
|
// add damage for this window
|
|
if (mw) {
|
|
add_damage_from_win(ps, mw);
|
|
}
|
|
|
|
#ifdef DEBUG_RESTACK
|
|
log_trace("Window stack modified. Current stack:");
|
|
for (auto c = ps->list; c; c = c->next) {
|
|
const char *desc = "";
|
|
if (c->state == WSTATE_DESTROYING) {
|
|
desc = "(D) ";
|
|
}
|
|
log_trace("%#010x \"%s\" %s", c->id, c->name, desc);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/// Move window `w` so it's right above `below`
|
|
void restack_above(session_t *ps, struct win *w, xcb_window_t below) {
|
|
xcb_window_t old_below;
|
|
|
|
if (!list_node_is_last(&ps->window_stack, &w->stack_neighbour)) {
|
|
old_below = list_next_entry(w, stack_neighbour)->id;
|
|
} else {
|
|
old_below = XCB_NONE;
|
|
}
|
|
log_debug("Restack %#010x (%s), old_below: %#010x, new_below: %#010x", w->id,
|
|
win_get_name_if_managed(w), old_below, below);
|
|
|
|
if (old_below != below) {
|
|
struct list_node *new_next;
|
|
if (!below) {
|
|
new_next = &ps->window_stack;
|
|
} else {
|
|
struct win *tmp_w = NULL;
|
|
HASH_FIND_INT(ps->windows, &below, tmp_w);
|
|
|
|
if (!tmp_w) {
|
|
log_error("Failed to found new below window %#010x.", below);
|
|
return;
|
|
}
|
|
|
|
new_next = &tmp_w->stack_neighbour;
|
|
}
|
|
restack_win(ps, w, new_next);
|
|
}
|
|
}
|
|
|
|
void restack_bottom(session_t *ps, struct win *w) {
|
|
restack_above(ps, w, 0);
|
|
}
|
|
|
|
void restack_top(session_t *ps, struct win *w) {
|
|
log_debug("Restack %#010x (%s) to top", w->id, win_get_name_if_managed(w));
|
|
if (&w->stack_neighbour == ps->window_stack.next) {
|
|
// already at top
|
|
return;
|
|
}
|
|
restack_win(ps, w, ps->window_stack.next);
|
|
}
|
|
|
|
/// Start destroying a window. Windows cannot always be destroyed immediately
|
|
/// because of fading and such.
|
|
///
|
|
/// @return whether the window has finished destroying and is freed
|
|
bool destroy_win_start(session_t *ps, struct win *w) {
|
|
auto mw = (struct managed_win *)w;
|
|
assert(w);
|
|
|
|
log_debug("Destroying %#010x \"%s\", managed = %d", w->id,
|
|
(w->managed ? mw->name : NULL), w->managed);
|
|
|
|
// Delete destroyed window from the hash table, even though the window
|
|
// might still be rendered for a while. We need to make sure future window
|
|
// with the same window id won't confuse us. Keep the window in the window
|
|
// stack if it's managed and mapped, since we might still need to render
|
|
// it (e.g. fading out). Window will be removed from the stack when it
|
|
// finishes destroying.
|
|
HASH_DEL(ps->windows, w);
|
|
|
|
if (!w->managed || mw->state == WSTATE_UNMAPPED) {
|
|
// Window is already unmapped, or is an unmanged window, just
|
|
// destroy it
|
|
destroy_win_finish(ps, w);
|
|
return true;
|
|
}
|
|
|
|
if (w->managed) {
|
|
// Clear IMAGES_STALE flags since the window is destroyed: Clear
|
|
// PIXMAP_STALE as there is no pixmap available anymore, so STALE
|
|
// doesn't make sense.
|
|
// XXX Clear SHADOW_STALE as setting/clearing flags on a destroyed
|
|
// window doesn't work leading to an inconsistent state where the
|
|
// shadow is refreshed but the flags are stuck in STALE. Do this
|
|
// before changing the window state to destroying
|
|
win_clear_flags(mw, WIN_FLAGS_IMAGES_STALE);
|
|
|
|
// If size/shape/position information is stale,
|
|
// win_process_update_flags will update them and add the new
|
|
// window extents to damage. Since the window has been destroyed,
|
|
// we cannot get the complete information at this point, so we
|
|
// just add what we currently have to the damage.
|
|
if (win_check_flags_any(mw, WIN_FLAGS_SIZE_STALE | WIN_FLAGS_POSITION_STALE)) {
|
|
add_damage_from_win(ps, mw);
|
|
}
|
|
|
|
// Clear some flags about stale window information. Because now
|
|
// the window is destroyed, we can't update them anyway.
|
|
win_clear_flags(mw, WIN_FLAGS_SIZE_STALE | WIN_FLAGS_POSITION_STALE |
|
|
WIN_FLAGS_PROPERTY_STALE |
|
|
WIN_FLAGS_FACTOR_CHANGED | WIN_FLAGS_CLIENT_STALE);
|
|
|
|
// Update state flags of a managed window
|
|
mw->state = WSTATE_DESTROYING;
|
|
mw->a.map_state = XCB_MAP_STATE_UNMAPPED;
|
|
mw->in_openclose = true;
|
|
}
|
|
|
|
// don't need win_ev_stop because the window is gone anyway
|
|
#ifdef CONFIG_DBUS
|
|
// Send D-Bus signal
|
|
if (ps->o.dbus) {
|
|
cdbus_ev_win_destroyed(ps, w);
|
|
}
|
|
#endif
|
|
|
|
if (!ps->redirected) {
|
|
// Skip transition if we are not rendering
|
|
return win_skip_fading(ps, mw);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void unmap_win_start(session_t *ps, struct managed_win *w) {
|
|
assert(w);
|
|
assert(w->base.managed);
|
|
assert(w->a._class != XCB_WINDOW_CLASS_INPUT_ONLY);
|
|
|
|
log_debug("Unmapping %#010x \"%s\"", w->base.id, w->name);
|
|
|
|
if (unlikely(w->state == WSTATE_DESTROYING)) {
|
|
log_warn("Trying to undestroy a window?");
|
|
assert(false);
|
|
}
|
|
|
|
bool was_damaged = w->ever_damaged;
|
|
w->ever_damaged = false;
|
|
|
|
if (unlikely(w->state == WSTATE_UNMAPPING || w->state == WSTATE_UNMAPPED)) {
|
|
if (win_check_flags_all(w, WIN_FLAGS_MAPPED)) {
|
|
// Clear the pending map as this window is now unmapped
|
|
win_clear_flags(w, WIN_FLAGS_MAPPED);
|
|
} else {
|
|
log_warn("Trying to unmapping an already unmapped window "
|
|
"%#010x "
|
|
"\"%s\"",
|
|
w->base.id, w->name);
|
|
assert(false);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Note we don't update focused window here. This will either be
|
|
// triggered by subsequence Focus{In, Out} event, or by recheck_focus
|
|
|
|
w->a.map_state = XCB_MAP_STATE_UNMAPPED;
|
|
w->state = WSTATE_UNMAPPING;
|
|
w->opacity_target_old = fmax(w->opacity_target, w->opacity_target_old);
|
|
w->opacity_target = win_calc_opacity_target(ps, w);
|
|
|
|
#ifdef CONFIG_DBUS
|
|
// Send D-Bus signal
|
|
if (ps->o.dbus) {
|
|
cdbus_ev_win_unmapped(ps, &w->base);
|
|
}
|
|
#endif
|
|
|
|
if (!ps->redirected || !was_damaged) {
|
|
// If we are not redirected, we skip fading because we aren't
|
|
// rendering anything anyway. If the window wasn't ever damaged,
|
|
// it shouldn't be painted either. But a fading out window is
|
|
// always painted, so we have to skip fading here.
|
|
CHECK(!win_skip_fading(ps, w));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Execute fade callback of a window if fading finished.
|
|
*
|
|
* @return whether the window is destroyed and freed
|
|
*/
|
|
bool win_check_fade_finished(session_t *ps, struct managed_win *w) {
|
|
if (w->state == WSTATE_MAPPED || w->state == WSTATE_UNMAPPED) {
|
|
// No fading in progress
|
|
assert(w->opacity_target == w->opacity);
|
|
return false;
|
|
}
|
|
if (w->opacity == w->opacity_target) {
|
|
switch (w->state) {
|
|
case WSTATE_UNMAPPING: unmap_win_finish(ps, w); return false;
|
|
case WSTATE_DESTROYING: destroy_win_finish(ps, &w->base); return true;
|
|
case WSTATE_MAPPING: map_win_finish(w); return false;
|
|
case WSTATE_FADING: w->state = WSTATE_MAPPED; break;
|
|
default: unreachable;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// Skip the current in progress fading of window,
|
|
/// transition the window straight to its end state
|
|
///
|
|
/// @return whether the window is destroyed and freed
|
|
bool win_skip_fading(session_t *ps, struct managed_win *w) {
|
|
if (w->state == WSTATE_MAPPED || w->state == WSTATE_UNMAPPED) {
|
|
assert(w->opacity_target == w->opacity);
|
|
return false;
|
|
}
|
|
log_debug("Skipping fading process of window %#010x (%s)", w->base.id, w->name);
|
|
w->opacity = w->opacity_target;
|
|
return win_check_fade_finished(ps, w);
|
|
}
|
|
|
|
// TODO(absolutelynothelix): rename to x_update_win_(randr_?)monitor and move to
|
|
// the x.c.
|
|
void win_update_monitor(int nmons, region_t *mons, struct managed_win *mw) {
|
|
mw->randr_monitor = -1;
|
|
for (int i = 0; i < nmons; i++) {
|
|
auto e = pixman_region32_extents(&mons[i]);
|
|
if (e->x1 <= mw->g.x && e->y1 <= mw->g.y &&
|
|
e->x2 >= mw->g.x + mw->widthb && e->y2 >= mw->g.y + mw->heightb) {
|
|
mw->randr_monitor = i;
|
|
log_debug("Window %#010x (%s), %dx%d+%dx%d, is entirely on the "
|
|
"monitor %d (%dx%d+%dx%d)",
|
|
mw->base.id, mw->name, mw->g.x, mw->g.y, mw->widthb,
|
|
mw->heightb, i, e->x1, e->y1, e->x2 - e->x1, e->y2 - e->y1);
|
|
return;
|
|
}
|
|
}
|
|
log_debug("Window %#010x (%s), %dx%d+%dx%d, is not entirely on any monitor",
|
|
mw->base.id, mw->name, mw->g.x, mw->g.y, mw->widthb, mw->heightb);
|
|
}
|
|
|
|
/// Map an already registered window
|
|
void map_win_start(session_t *ps, struct managed_win *w) {
|
|
assert(ps->server_grabbed);
|
|
assert(w);
|
|
|
|
// Don't care about window mapping if it's an InputOnly window
|
|
// Also, try avoiding mapping a window twice
|
|
if (w->a._class == XCB_WINDOW_CLASS_INPUT_ONLY) {
|
|
return;
|
|
}
|
|
|
|
log_debug("Mapping (%#010x \"%s\")", w->base.id, w->name);
|
|
|
|
assert(w->state != WSTATE_DESTROYING);
|
|
if (w->state != WSTATE_UNMAPPED && w->state != WSTATE_UNMAPPING) {
|
|
log_warn("Mapping an already mapped window");
|
|
return;
|
|
}
|
|
|
|
if (w->state == WSTATE_UNMAPPING) {
|
|
CHECK(!win_skip_fading(ps, w));
|
|
// We skipped the unmapping process, the window was rendered, now
|
|
// it is not anymore. So we need to mark the then unmapping window
|
|
// as damaged.
|
|
//
|
|
// Solves problem when, for example, a window is unmapped then
|
|
// mapped in a different location
|
|
add_damage_from_win(ps, w);
|
|
assert(w);
|
|
}
|
|
|
|
assert(w->state == WSTATE_UNMAPPED);
|
|
|
|
// Rant: window size could change after we queried its geometry here and
|
|
// before we get its pixmap. Later, when we get back to the event
|
|
// processing loop, we will get the notification about size change from
|
|
// Xserver and try to refresh the pixmap, while the pixmap is actually
|
|
// already up-to-date (i.e. the notification is stale). There is basically
|
|
// no real way to prevent this, aside from grabbing the server.
|
|
|
|
// XXX Can we assume map_state is always viewable?
|
|
w->a.map_state = XCB_MAP_STATE_VIEWABLE;
|
|
|
|
// Update window mode here to check for ARGB windows
|
|
w->mode = win_calc_mode(w);
|
|
|
|
log_debug("Window (%#010x) has type %s", w->base.id, WINTYPES[w->window_type]);
|
|
|
|
// XXX We need to make sure that win_data is available
|
|
// iff `state` is MAPPED
|
|
w->state = WSTATE_MAPPING;
|
|
w->opacity_target_old = 0;
|
|
w->opacity_target = win_calc_opacity_target(ps, w);
|
|
|
|
log_debug("Window %#010x has opacity %f, opacity target is %f", w->base.id,
|
|
w->opacity, w->opacity_target);
|
|
|
|
// Cannot set w->ever_damaged = false here, since window mapping could be
|
|
// delayed, so a damage event might have already arrived before this
|
|
// function is called. But this should be unnecessary in the first place,
|
|
// since ever_damaged is set to false in unmap_win_finish anyway.
|
|
|
|
// Sets the WIN_FLAGS_IMAGES_STALE flag so later in the critical section
|
|
// the window's image will be bound
|
|
|
|
win_set_flags(w, WIN_FLAGS_PIXMAP_STALE);
|
|
|
|
#ifdef CONFIG_DBUS
|
|
// Send D-Bus signal
|
|
if (ps->o.dbus) {
|
|
cdbus_ev_win_mapped(ps, &w->base);
|
|
}
|
|
#endif
|
|
|
|
if (!ps->redirected) {
|
|
CHECK(!win_skip_fading(ps, w));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Update target window opacity depending on the current state.
|
|
*/
|
|
void win_update_opacity_target(session_t *ps, struct managed_win *w) {
|
|
auto opacity_target_old = w->opacity_target;
|
|
w->opacity_target = win_calc_opacity_target(ps, w);
|
|
|
|
if (opacity_target_old == w->opacity_target) {
|
|
return;
|
|
}
|
|
|
|
if (w->state == WSTATE_MAPPED) {
|
|
// Opacity target changed while MAPPED. Transition to FADING.
|
|
assert(w->opacity == opacity_target_old);
|
|
w->opacity_target_old = opacity_target_old;
|
|
w->state = WSTATE_FADING;
|
|
log_debug("Window %#010x (%s) opacity %f, opacity target %f, set "
|
|
"old target %f",
|
|
w->base.id, w->name, w->opacity, w->opacity_target,
|
|
w->opacity_target_old);
|
|
} else if (w->state == WSTATE_MAPPING) {
|
|
// Opacity target changed while fading in.
|
|
if (w->opacity >= w->opacity_target) {
|
|
// Already reached new target opacity. Transition to
|
|
// FADING.
|
|
map_win_finish(w);
|
|
w->opacity_target_old = fmax(opacity_target_old, w->opacity);
|
|
w->state = WSTATE_FADING;
|
|
log_debug("Window %#010x (%s) opacity %f already reached "
|
|
"new opacity target %f while mapping, set old "
|
|
"target %f",
|
|
w->base.id, w->name, w->opacity, w->opacity_target,
|
|
w->opacity_target_old);
|
|
}
|
|
} else if (w->state == WSTATE_FADING) {
|
|
// Opacity target changed while FADING.
|
|
if ((w->opacity < opacity_target_old && w->opacity > w->opacity_target) ||
|
|
(w->opacity > opacity_target_old && w->opacity < w->opacity_target)) {
|
|
// Changed while fading in and will fade out or while
|
|
// fading out and will fade in.
|
|
w->opacity_target_old = opacity_target_old;
|
|
log_debug("Window %#010x (%s) opacity %f already reached "
|
|
"new opacity target %f while fading, set "
|
|
"old target %f",
|
|
w->base.id, w->name, w->opacity, w->opacity_target,
|
|
w->opacity_target_old);
|
|
}
|
|
}
|
|
|
|
if (!ps->redirected) {
|
|
CHECK(!win_skip_fading(ps, w));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Find a managed window from window id in window linked list of the session.
|
|
*/
|
|
struct win *find_win(session_t *ps, xcb_window_t id) {
|
|
if (!id) {
|
|
return NULL;
|
|
}
|
|
|
|
struct win *w = NULL;
|
|
HASH_FIND_INT(ps->windows, &id, w);
|
|
assert(w == NULL || !w->destroyed);
|
|
return w;
|
|
}
|
|
|
|
/**
|
|
* Find a managed window from window id in window linked list of the session.
|
|
*/
|
|
struct managed_win *find_managed_win(session_t *ps, xcb_window_t id) {
|
|
struct win *w = find_win(ps, id);
|
|
if (!w || !w->managed) {
|
|
return NULL;
|
|
}
|
|
|
|
auto mw = (struct managed_win *)w;
|
|
assert(mw->state != WSTATE_DESTROYING);
|
|
return mw;
|
|
}
|
|
|
|
/**
|
|
* Find out the WM frame of a client window using existing data.
|
|
*
|
|
* @param id window ID
|
|
* @return struct win object of the found window, NULL if not found
|
|
*/
|
|
struct managed_win *find_toplevel(session_t *ps, xcb_window_t id) {
|
|
if (!id) {
|
|
return NULL;
|
|
}
|
|
|
|
HASH_ITER2(ps->windows, w) {
|
|
assert(!w->destroyed);
|
|
if (!w->managed) {
|
|
continue;
|
|
}
|
|
|
|
auto mw = (struct managed_win *)w;
|
|
if (mw->client_win == id) {
|
|
return mw;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Find a managed window that is, or is a parent of `wid`.
|
|
*
|
|
* @param ps current session
|
|
* @param wid window ID
|
|
* @return struct _win object of the found window, NULL if not found
|
|
*/
|
|
struct managed_win *find_managed_window_or_parent(session_t *ps, xcb_window_t wid) {
|
|
// TODO(yshui) this should probably be an "update tree", then
|
|
// find_toplevel. current approach is a bit more "racy", as the server
|
|
// state might be ahead of our state
|
|
struct win *w = NULL;
|
|
|
|
// We traverse through its ancestors to find out the frame
|
|
// Using find_win here because if we found a unmanaged window we know
|
|
// about, we can stop early.
|
|
while (wid && wid != ps->root && !(w = find_win(ps, wid))) {
|
|
// xcb_query_tree probably fails if you run picom when X is
|
|
// somehow initializing (like add it in .xinitrc). In this case
|
|
// just leave it alone.
|
|
auto reply = xcb_query_tree_reply(ps->c, xcb_query_tree(ps->c, wid), NULL);
|
|
if (reply == NULL) {
|
|
break;
|
|
}
|
|
|
|
wid = reply->parent;
|
|
free(reply);
|
|
}
|
|
|
|
if (w == NULL || !w->managed) {
|
|
return NULL;
|
|
}
|
|
|
|
return (struct managed_win *)w;
|
|
}
|
|
|
|
/**
|
|
* Check if a rectangle includes the whole screen.
|
|
*/
|
|
static inline bool rect_is_fullscreen(const session_t *ps, int x, int y, int wid, int hei) {
|
|
return (x <= 0 && y <= 0 && (x + wid) >= ps->root_width && (y + hei) >= ps->root_height);
|
|
}
|
|
|
|
/**
|
|
* Check if a window is fulscreen using EWMH
|
|
*
|
|
* TODO(yshui) cache this property
|
|
*/
|
|
static inline bool
|
|
win_is_fullscreen_xcb(xcb_connection_t *c, const struct atom *a, const xcb_window_t w) {
|
|
xcb_get_property_cookie_t prop =
|
|
xcb_get_property(c, 0, w, a->a_NET_WM_STATE, XCB_ATOM_ATOM, 0, 12);
|
|
xcb_get_property_reply_t *reply = xcb_get_property_reply(c, prop, NULL);
|
|
if (!reply) {
|
|
return false;
|
|
}
|
|
|
|
if (reply->length) {
|
|
xcb_atom_t *val = xcb_get_property_value(reply);
|
|
for (uint32_t i = 0; i < reply->length; i++) {
|
|
if (val[i] != a->a_NET_WM_STATE_FULLSCREEN) {
|
|
continue;
|
|
}
|
|
free(reply);
|
|
return true;
|
|
}
|
|
}
|
|
free(reply);
|
|
return false;
|
|
}
|
|
|
|
/// Set flags on a window. Some sanity checks are performed
|
|
void win_set_flags(struct managed_win *w, uint64_t flags) {
|
|
log_debug("Set flags %" PRIu64 " to window %#010x (%s)", flags, w->base.id, w->name);
|
|
if (unlikely(w->state == WSTATE_DESTROYING)) {
|
|
log_error("Flags set on a destroyed window %#010x (%s)", w->base.id, w->name);
|
|
return;
|
|
}
|
|
|
|
w->flags |= flags;
|
|
}
|
|
|
|
/// Clear flags on a window. Some sanity checks are performed
|
|
void win_clear_flags(struct managed_win *w, uint64_t flags) {
|
|
log_debug("Clear flags %" PRIu64 " from window %#010x (%s)", flags, w->base.id,
|
|
w->name);
|
|
if (unlikely(w->state == WSTATE_DESTROYING)) {
|
|
log_warn("Flags cleared on a destroyed window %#010x (%s)", w->base.id,
|
|
w->name);
|
|
return;
|
|
}
|
|
|
|
w->flags = w->flags & (~flags);
|
|
}
|
|
|
|
void win_set_properties_stale(struct managed_win *w, const xcb_atom_t *props, int nprops) {
|
|
const auto bits_per_element = sizeof(*w->stale_props) * 8;
|
|
size_t new_capacity = w->stale_props_capacity;
|
|
|
|
// Calculate the new capacity of the properties array
|
|
for (int i = 0; i < nprops; i++) {
|
|
if (props[i] >= new_capacity * bits_per_element) {
|
|
new_capacity = props[i] / bits_per_element + 1;
|
|
}
|
|
}
|
|
|
|
// Reallocate if necessary
|
|
if (new_capacity > w->stale_props_capacity) {
|
|
w->stale_props =
|
|
realloc(w->stale_props, new_capacity * sizeof(*w->stale_props));
|
|
|
|
// Clear the content of the newly allocated bytes
|
|
memset(w->stale_props + w->stale_props_capacity, 0,
|
|
(new_capacity - w->stale_props_capacity) * sizeof(*w->stale_props));
|
|
w->stale_props_capacity = new_capacity;
|
|
}
|
|
|
|
// Set the property bits
|
|
for (int i = 0; i < nprops; i++) {
|
|
w->stale_props[props[i] / bits_per_element] |=
|
|
1UL << (props[i] % bits_per_element);
|
|
}
|
|
win_set_flags(w, WIN_FLAGS_PROPERTY_STALE);
|
|
}
|
|
|
|
static void win_clear_all_properties_stale(struct managed_win *w) {
|
|
memset(w->stale_props, 0, w->stale_props_capacity * sizeof(*w->stale_props));
|
|
win_clear_flags(w, WIN_FLAGS_PROPERTY_STALE);
|
|
}
|
|
|
|
static bool win_fetch_and_unset_property_stale(struct managed_win *w, xcb_atom_t prop) {
|
|
const auto bits_per_element = sizeof(*w->stale_props) * 8;
|
|
if (prop >= w->stale_props_capacity * bits_per_element) {
|
|
return false;
|
|
}
|
|
|
|
const auto mask = 1UL << (prop % bits_per_element);
|
|
bool ret = w->stale_props[prop / bits_per_element] & mask;
|
|
w->stale_props[prop / bits_per_element] &= ~mask;
|
|
return ret;
|
|
}
|
|
|
|
bool win_check_flags_any(struct managed_win *w, uint64_t flags) {
|
|
return (w->flags & flags) != 0;
|
|
}
|
|
|
|
bool win_check_flags_all(struct managed_win *w, uint64_t flags) {
|
|
return (w->flags & flags) == flags;
|
|
}
|
|
|
|
/**
|
|
* Check if a window is a fullscreen window.
|
|
*
|
|
* It's not using w->border_size for performance measures.
|
|
*/
|
|
bool win_is_fullscreen(const session_t *ps, const struct managed_win *w) {
|
|
if (!ps->o.no_ewmh_fullscreen &&
|
|
win_is_fullscreen_xcb(ps->c, ps->atoms, w->client_win)) {
|
|
return true;
|
|
}
|
|
return rect_is_fullscreen(ps, w->g.x, w->g.y, w->widthb, w->heightb) &&
|
|
(!w->bounding_shaped || w->rounded_corners);
|
|
}
|
|
|
|
/**
|
|
* Check if a window has BYPASS_COMPOSITOR property set
|
|
*
|
|
* TODO(yshui) cache this property
|
|
*/
|
|
bool win_is_bypassing_compositor(const session_t *ps, const struct managed_win *w) {
|
|
bool ret = false;
|
|
|
|
auto prop = x_get_prop(ps->c, w->client_win, ps->atoms->a_NET_WM_BYPASS_COMPOSITOR,
|
|
1L, XCB_ATOM_CARDINAL, 32);
|
|
|
|
if (prop.nitems && *prop.c32 == 1) {
|
|
ret = true;
|
|
}
|
|
|
|
free_winprop(&prop);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Check if a window is focused, without using any focus rules or forced focus
|
|
* settings
|
|
*/
|
|
bool win_is_focused_raw(const session_t *ps, const struct managed_win *w) {
|
|
return w->a.map_state == XCB_MAP_STATE_VIEWABLE && ps->active_win == w;
|
|
}
|
|
|
|
// Find the managed window immediately below `i` in the window stack
|
|
struct managed_win *
|
|
win_stack_find_next_managed(const session_t *ps, const struct list_node *i) {
|
|
while (!list_node_is_last(&ps->window_stack, i)) {
|
|
auto next = list_entry(i->next, struct win, stack_neighbour);
|
|
if (next->managed) {
|
|
return (struct managed_win *)next;
|
|
}
|
|
i = &next->stack_neighbour;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/// Return whether this window is mapped on the X server side
|
|
bool win_is_mapped_in_x(const struct managed_win *w) {
|
|
return w->state == WSTATE_MAPPING || w->state == WSTATE_FADING ||
|
|
w->state == WSTATE_MAPPED || (w->flags & WIN_FLAGS_MAPPED);
|
|
}
|