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mpv/video/out/x11_common.h
wm4 a35a5bb5f3 x11: pseudo HiDPI scaling
Scale the window by the assumed DPI scaling factor, using 96 DPI as
base. For example, a screen that reports 192 DPI is assumed to have a
DPI scale factor 2. The window will then be created with twice the size.

For robustness reasons, we accept only integer DPI scales between 1 and
9. We also error out if the X and Y scales are very different, as this
most likely indicates a multiscreen system with botched size reporting.

I'm not sure if reading the X server's DPI is such a good idea - maybe
the Xrdb "Xft.dpi" value should be used instead. The current method
follows what xdpyinfo does.

This can be disabled with --hidpi-window-scale=no.
2017-01-19 16:31:54 +01:00

146 lines
4.1 KiB
C

/*
* 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 <stdint.h>
#include <stdbool.h>
#include <pthread.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include "osdep/atomic.h"
#include "osdep/semaphore.h"
#include "common/common.h"
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;
};
struct vo_x11_state {
struct mp_log *log;
struct input_ctx *input_ctx;
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_icc_screen;
int xrandr_event;
bool screensaver_enabled;
bool dpms_touched;
double screensaver_time_last;
pthread_t screensaver_thread;
bool screensaver_thread_running;
sem_t screensaver_sem;
atomic_bool screensaver_terminate;
XIM xim;
XIC xic;
bool no_autorepeat;
Colormap colormap;
int wm_type;
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_hidden;
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;
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;
};
int 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);
int vo_x11_control(struct vo *vo, int *events, int request, void *arg);
void vo_x11_wakeup(struct vo *vo);
void vo_x11_wait_events(struct vo *vo, int64_t until_time_us);
void vo_x11_silence_xlib(int dir);
bool vo_x11_is_rgba_visual(XVisualInfo *v);
#endif /* MPLAYER_X11_COMMON_H */