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diff --git a/video/out/x11_common.h b/video/out/x11_common.h
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+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with mpv. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MPLAYER_X11_COMMON_H
+#define MPLAYER_X11_COMMON_H
+
+#include <stdatomic.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+#include "common/common.h"
+
+#include "config.h"
+#if !HAVE_GPL
+#error GPL only
+#endif
+
+struct vo;
+struct mp_log;
+
+#define MAX_DISPLAYS 32 // ought to be enough for everyone
+
+struct xrandr_display {
+ struct mp_rect rc;
+ double fps;
+ char *name;
+ bool overlaps;
+ int atom_id; // offset by location of primary
+ int screen;
+};
+
+struct vo_x11_state {
+ struct mp_log *log;
+ struct input_ctx *input_ctx;
+ struct m_config_cache *opts_cache;
+ struct mp_vo_opts *opts;
+ Display *display;
+ int event_fd;
+ int wakeup_pipe[2];
+ Window window;
+ Window rootwin;
+ Window parent; // embedded in this foreign window
+ int screen;
+ int display_is_local;
+ int ws_width;
+ int ws_height;
+ int dpi_scale;
+ struct mp_rect screenrc;
+ char *window_title;
+
+ struct xrandr_display displays[MAX_DISPLAYS];
+ int num_displays;
+ int current_screen;
+
+ int xrandr_event;
+ bool has_mesa;
+ bool has_nvidia;
+
+ bool screensaver_enabled;
+ bool dpms_touched;
+ double screensaver_time_last;
+
+ struct mp_present *present;
+ bool use_present;
+ int present_code;
+
+ XIM xim;
+ XIC xic;
+ bool no_autorepeat;
+
+ Colormap colormap;
+
+ int wm_type;
+ bool hidden; // _NET_WM_STATE_HIDDEN
+ bool window_hidden; // the window was mapped at least once
+ bool pseudo_mapped; // not necessarily mapped, but known window size
+ int fs; // whether we assume the window is in fullscreen mode
+
+ bool mouse_cursor_visible; // whether we want the cursor to be visible (only
+ // takes effect when the window is focused)
+ bool mouse_cursor_set; // whether the cursor is *currently* *hidden*
+ bool has_focus;
+ long orig_layer;
+
+ // Current actual window position (updated on window move/resize events).
+ struct mp_rect winrc;
+ double current_display_fps;
+
+ int pending_vo_events;
+
+ // last non-fullscreen extends (updated on fullscreen or reinitialization)
+ struct mp_rect nofsrc;
+
+ /* Keep track of original video width/height to determine when to
+ * resize window when reconfiguring. Resize window when video size
+ * changes, but don't force window size changes as long as video size
+ * stays the same (even if that size is different from the current
+ * window size after the user modified the latter). */
+ int old_dw, old_dh;
+ /* Video size changed during fullscreen when we couldn't tell the new
+ * size to the window manager. Must set window size when turning
+ * fullscreen off. */
+ bool size_changed_during_fs;
+ bool pos_changed_during_fs;
+
+ /* One of the autofit/geometry options changed at runtime. */
+ bool geometry_change;
+
+ XComposeStatus compose_status;
+
+ /* XShm stuff */
+ int ShmCompletionEvent;
+ /* Number of outstanding XShmPutImage requests */
+ /* Decremented when ShmCompletionEvent is received */
+ /* Increment it before XShmPutImage */
+ int ShmCompletionWaitCount;
+
+ /* drag and drop */
+ Atom dnd_requested_format;
+ Atom dnd_requested_action;
+ Window dnd_src_window;
+
+ /* dragging the window */
+ bool win_drag_button1_down;
+
+ Atom icc_profile_property;
+};
+
+bool vo_x11_init(struct vo *vo);
+void vo_x11_uninit(struct vo *vo);
+void vo_x11_check_events(struct vo *vo);
+bool vo_x11_screen_is_composited(struct vo *vo);
+bool vo_x11_create_vo_window(struct vo *vo, XVisualInfo *vis,
+ const char *classname);
+void vo_x11_config_vo_window(struct vo *vo);
+bool vo_x11_check_visible(struct vo *vo);
+int vo_x11_control(struct vo *vo, int *events, int request, void *arg);
+void vo_x11_present(struct vo *vo);
+void vo_x11_sync_swap(struct vo *vo);
+void vo_x11_wakeup(struct vo *vo);
+void vo_x11_wait_events(struct vo *vo, int64_t until_time_ns);
+
+void vo_x11_silence_xlib(int dir);
+
+bool vo_x11_is_rgba_visual(XVisualInfo *v);
+
+#endif /* MPLAYER_X11_COMMON_H */