mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-24 16:39:43 +00:00
331 lines
8.1 KiB
C
331 lines
8.1 KiB
C
/* RetroArch - A frontend for libretro.
|
|
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
|
|
* Copyright (C) 2011-2015 - Daniel De Matteis
|
|
*
|
|
* RetroArch 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 Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* RetroArch 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 RetroArch.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "x11_common.h"
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <X11/Xatom.h>
|
|
#include <math.h>
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
#include "../../general.h"
|
|
|
|
static void x11_hide_mouse(Display *dpy, Window win)
|
|
{
|
|
static char bm_no_data[] = {0, 0, 0, 0, 0, 0, 0, 0};
|
|
|
|
Cursor no_ptr;
|
|
Pixmap bm_no;
|
|
XColor black, dummy;
|
|
Colormap colormap = DefaultColormap(dpy, DefaultScreen(dpy));
|
|
if (!XAllocNamedColor(dpy, colormap, "black", &black, &dummy))
|
|
return;
|
|
|
|
bm_no = XCreateBitmapFromData(dpy, win, bm_no_data, 8, 8);
|
|
no_ptr = XCreatePixmapCursor(dpy, bm_no, bm_no, &black, &black, 0, 0);
|
|
|
|
XDefineCursor(dpy, win, no_ptr);
|
|
XFreeCursor(dpy, no_ptr);
|
|
|
|
if (bm_no != None)
|
|
XFreePixmap(dpy, bm_no);
|
|
|
|
XFreeColors(dpy, colormap, &black.pixel, 1, 0);
|
|
}
|
|
|
|
void x11_show_mouse(Display *dpy, Window win, bool state)
|
|
{
|
|
if (state)
|
|
XUndefineCursor(dpy, win);
|
|
else
|
|
x11_hide_mouse(dpy, win);
|
|
}
|
|
|
|
static Atom XA_NET_WM_STATE;
|
|
static Atom XA_NET_WM_STATE_FULLSCREEN;
|
|
static Atom XA_NET_MOVERESIZE_WINDOW;
|
|
|
|
#define XA_INIT(x) XA##x = XInternAtom(dpy, #x, False)
|
|
#define _NET_WM_STATE_ADD 1
|
|
#define MOVERESIZE_GRAVITY_CENTER 5
|
|
#define MOVERESIZE_X_SHIFT 8
|
|
#define MOVERESIZE_Y_SHIFT 9
|
|
|
|
void x11_windowed_fullscreen(Display *dpy, Window win)
|
|
{
|
|
XA_INIT(_NET_WM_STATE);
|
|
XA_INIT(_NET_WM_STATE_FULLSCREEN);
|
|
|
|
XEvent xev = {0};
|
|
|
|
xev.xclient.type = ClientMessage;
|
|
xev.xclient.send_event = True;
|
|
xev.xclient.message_type = XA_NET_WM_STATE;
|
|
xev.xclient.window = win;
|
|
xev.xclient.format = 32;
|
|
xev.xclient.data.l[0] = _NET_WM_STATE_ADD;
|
|
xev.xclient.data.l[1] = XA_NET_WM_STATE_FULLSCREEN;
|
|
|
|
XSendEvent(dpy, DefaultRootWindow(dpy), False,
|
|
SubstructureRedirectMask | SubstructureNotifyMask,
|
|
&xev);
|
|
}
|
|
|
|
/* Try to be nice to tiling WMs if possible. */
|
|
|
|
void x11_move_window(Display *dpy, Window win, int x, int y,
|
|
unsigned width, unsigned height)
|
|
{
|
|
XEvent xev = {0};
|
|
|
|
XA_INIT(_NET_MOVERESIZE_WINDOW);
|
|
|
|
xev.xclient.type = ClientMessage;
|
|
xev.xclient.send_event = True;
|
|
xev.xclient.message_type = XA_NET_MOVERESIZE_WINDOW;
|
|
xev.xclient.window = win;
|
|
xev.xclient.format = 32;
|
|
xev.xclient.data.l[0] = (1 << MOVERESIZE_X_SHIFT) | (1 << MOVERESIZE_Y_SHIFT);
|
|
xev.xclient.data.l[1] = x;
|
|
xev.xclient.data.l[2] = y;
|
|
|
|
XSendEvent(dpy, DefaultRootWindow(dpy), False,
|
|
SubstructureRedirectMask | SubstructureNotifyMask,
|
|
&xev);
|
|
}
|
|
|
|
static void x11_set_window_class(Display *dpy, Window win)
|
|
{
|
|
XClassHint hint = {0};
|
|
|
|
hint.res_name = (char*)"retroarch"; /* Broken header. */
|
|
hint.res_class = (char*)"retroarch";
|
|
XSetClassHint(dpy, win, &hint);
|
|
}
|
|
|
|
void x11_set_window_attr(Display *dpy, Window win)
|
|
{
|
|
x11_set_window_class(dpy, win);
|
|
}
|
|
|
|
void x11_suspend_screensaver(Window wnd)
|
|
{
|
|
int ret;
|
|
char cmd[64];
|
|
|
|
RARCH_LOG("Suspending screensaver (X11).\n");
|
|
|
|
snprintf(cmd, sizeof(cmd), "xdg-screensaver suspend %d", (int)wnd);
|
|
|
|
ret = system(cmd);
|
|
if (ret == -1)
|
|
RARCH_WARN("Failed to launch xdg-screensaver.\n");
|
|
else if (WEXITSTATUS(ret))
|
|
RARCH_WARN("Could not suspend screen saver.\n");
|
|
}
|
|
|
|
static bool get_video_mode(Display *dpy, unsigned width, unsigned height,
|
|
XF86VidModeModeInfo *mode, XF86VidModeModeInfo *desktop_mode)
|
|
{
|
|
float refresh_mod;
|
|
int i, num_modes = 0;
|
|
bool ret = false;
|
|
float minimum_fps_diff = 0.0f;
|
|
XF86VidModeModeInfo **modes = NULL;
|
|
|
|
XF86VidModeGetAllModeLines(dpy, DefaultScreen(dpy), &num_modes, &modes);
|
|
|
|
if (!num_modes)
|
|
{
|
|
XFree(modes);
|
|
return false;
|
|
}
|
|
|
|
*desktop_mode = *modes[0];
|
|
|
|
/* If we use black frame insertion, we fake a 60 Hz monitor
|
|
* for 120 Hz one, etc, so try to match that. */
|
|
refresh_mod = g_settings.video.black_frame_insertion ? 0.5f : 1.0f;
|
|
|
|
for (i = 0; i < num_modes; i++)
|
|
{
|
|
float refresh, diff;
|
|
const XF86VidModeModeInfo *m = modes[i];
|
|
|
|
if (!m)
|
|
continue;
|
|
|
|
if (m->hdisplay != width)
|
|
continue;
|
|
if (m->vdisplay != height)
|
|
continue;
|
|
|
|
refresh = refresh_mod * m->dotclock * 1000.0f / (m->htotal * m->vtotal);
|
|
diff = fabsf(refresh - g_settings.video.refresh_rate);
|
|
|
|
if (!ret || diff < minimum_fps_diff)
|
|
{
|
|
*mode = *m;
|
|
minimum_fps_diff = diff;
|
|
}
|
|
ret = true;
|
|
}
|
|
|
|
XFree(modes);
|
|
return ret;
|
|
}
|
|
|
|
bool x11_enter_fullscreen(Display *dpy, unsigned width,
|
|
unsigned height, XF86VidModeModeInfo *desktop_mode)
|
|
{
|
|
XF86VidModeModeInfo mode;
|
|
|
|
if (!get_video_mode(dpy, width, height, &mode, desktop_mode))
|
|
return false;
|
|
|
|
if (!XF86VidModeSwitchToMode(dpy, DefaultScreen(dpy), &mode))
|
|
return false;
|
|
|
|
XF86VidModeSetViewPort(dpy, DefaultScreen(dpy), 0, 0);
|
|
return true;
|
|
}
|
|
|
|
void x11_exit_fullscreen(Display *dpy, XF86VidModeModeInfo *desktop_mode)
|
|
{
|
|
XF86VidModeSwitchToMode(dpy, DefaultScreen(dpy), desktop_mode);
|
|
XF86VidModeSetViewPort(dpy, DefaultScreen(dpy), 0, 0);
|
|
}
|
|
|
|
#ifdef HAVE_XINERAMA
|
|
static XineramaScreenInfo *x11_query_screens(Display *dpy, int *num_screens)
|
|
{
|
|
int major, minor;
|
|
|
|
if (!XineramaQueryExtension(dpy, &major, &minor))
|
|
return NULL;
|
|
|
|
XineramaQueryVersion(dpy, &major, &minor);
|
|
RARCH_LOG("[X11]: Xinerama version: %d.%d.\n", major, minor);
|
|
|
|
if (!XineramaIsActive(dpy))
|
|
return NULL;
|
|
|
|
return XineramaQueryScreens(dpy, num_screens);
|
|
}
|
|
|
|
bool x11_get_xinerama_coord(Display *dpy, int screen,
|
|
int *x, int *y, unsigned *w, unsigned *h)
|
|
{
|
|
int i, num_screens = 0;
|
|
bool ret = false;
|
|
|
|
XineramaScreenInfo *info = x11_query_screens(dpy, &num_screens);
|
|
RARCH_LOG("[X11]: Xinerama screens: %d.\n", num_screens);
|
|
|
|
for (i = 0; i < num_screens; i++)
|
|
{
|
|
if (info[i].screen_number != screen)
|
|
continue;
|
|
|
|
*x = info[i].x_org;
|
|
*y = info[i].y_org;
|
|
*w = info[i].width;
|
|
*h = info[i].height;
|
|
ret = true;
|
|
break;
|
|
}
|
|
|
|
XFree(info);
|
|
return ret;
|
|
}
|
|
|
|
unsigned x11_get_xinerama_monitor(Display *dpy, int x, int y,
|
|
int w, int h)
|
|
{
|
|
int i, num_screens = 0;
|
|
unsigned monitor = 0;
|
|
int largest_area = 0;
|
|
|
|
XineramaScreenInfo *info = x11_query_screens(dpy, &num_screens);
|
|
RARCH_LOG("[X11]: Xinerama screens: %d.\n", num_screens);
|
|
|
|
for (i = 0; i < num_screens; i++)
|
|
{
|
|
int area;
|
|
int max_lx = max(x, info[i].x_org);
|
|
int min_rx = min(x + w, info[i].x_org + info[i].width);
|
|
int max_ty = max(y, info[i].y_org);
|
|
int min_by = min(y + h, info[i].y_org + info[i].height);
|
|
|
|
int len_x = min_rx - max_lx;
|
|
int len_y = min_by - max_ty;
|
|
|
|
/* The whole window is outside the screen. */
|
|
if (len_x < 0 || len_y < 0)
|
|
continue;
|
|
|
|
area = len_x * len_y;
|
|
|
|
if (area > largest_area)
|
|
{
|
|
monitor = i;
|
|
largest_area = area;
|
|
}
|
|
}
|
|
|
|
XFree(info);
|
|
return monitor;
|
|
}
|
|
#endif
|
|
|
|
bool x11_create_input_context(Display *dpy, Window win, XIM *xim, XIC *xic)
|
|
{
|
|
*xim = XOpenIM(dpy, NULL, NULL, NULL);
|
|
|
|
if (!*xim)
|
|
{
|
|
RARCH_ERR("[X11]: Failed to open input method.\n");
|
|
return false;
|
|
}
|
|
|
|
*xic = XCreateIC(*xim, XNInputStyle,
|
|
XIMPreeditNothing | XIMStatusNothing, XNClientWindow, win, NULL);
|
|
|
|
if (!*xic)
|
|
{
|
|
RARCH_ERR("[X11]: Failed to create input context.\n");
|
|
return false;
|
|
}
|
|
|
|
XSetICFocus(*xic);
|
|
return true;
|
|
}
|
|
|
|
void x11_destroy_input_context(XIM *xim, XIC *xic)
|
|
{
|
|
if (*xic)
|
|
{
|
|
XDestroyIC(*xic);
|
|
*xic = NULL;
|
|
}
|
|
|
|
if (*xim)
|
|
{
|
|
XCloseIM(*xim);
|
|
*xim = NULL;
|
|
}
|
|
}
|