dolphin/Source/Core/UICommon/X11Utils.cpp

279 lines
8.5 KiB
C++

// Copyright 2010 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "UICommon/X11Utils.h"
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <spawn.h>
#include <string>
#include <sys/wait.h>
#include <unistd.h>
#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"
#include "Core/Config/MainSettings.h"
#include "Core/Core.h"
extern char** environ;
namespace X11Utils
{
bool ToggleFullscreen(Display* dpy, Window win)
{
// Init X event structure for _NET_WM_STATE_FULLSCREEN client message
XEvent event;
event.xclient.type = ClientMessage;
event.xclient.message_type = XInternAtom(dpy, "_NET_WM_STATE", False);
event.xclient.window = win;
event.xclient.format = 32;
event.xclient.data.l[0] = _NET_WM_STATE_TOGGLE;
event.xclient.data.l[1] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
// Send the event
if (!XSendEvent(dpy, DefaultRootWindow(dpy), False,
SubstructureRedirectMask | SubstructureNotifyMask, &event))
{
ERROR_LOG(VIDEO, "Failed to switch fullscreen/windowed mode.");
return false;
}
return true;
}
void InhibitScreensaver(Window win, bool suspend)
{
char id[11];
snprintf(id, sizeof(id), "0x%lx", win);
// Call xdg-screensaver
char* argv[4] = {(char*)"xdg-screensaver", (char*)(suspend ? "suspend" : "resume"), id, nullptr};
pid_t pid;
if (!posix_spawnp(&pid, "xdg-screensaver", nullptr, nullptr, argv, environ))
{
int status;
while (waitpid(pid, &status, 0) == -1)
;
INFO_LOG(VIDEO, "Started xdg-screensaver (PID = %d)", (int)pid);
}
}
#if defined(HAVE_XRANDR) && HAVE_XRANDR
XRRConfiguration::XRRConfiguration(Display* _dpy, Window _win)
: dpy(_dpy), win(_win), screenResources(nullptr), outputInfo(nullptr), crtcInfo(nullptr),
fullMode(0), fs_fb_width(0), fs_fb_height(0), fs_fb_width_mm(0), fs_fb_height_mm(0),
bValid(true), bIsFullscreen(false)
{
int XRRMajorVersion, XRRMinorVersion;
if (!XRRQueryVersion(dpy, &XRRMajorVersion, &XRRMinorVersion) ||
(XRRMajorVersion < 1 || (XRRMajorVersion == 1 && XRRMinorVersion < 3)))
{
WARN_LOG(VIDEO, "XRRExtension not supported.");
bValid = false;
return;
}
screenResources = XRRGetScreenResourcesCurrent(dpy, win);
screen = DefaultScreen(dpy);
fb_width = DisplayWidth(dpy, screen);
fb_height = DisplayHeight(dpy, screen);
fb_width_mm = DisplayWidthMM(dpy, screen);
fb_height_mm = DisplayHeightMM(dpy, screen);
INFO_LOG(VIDEO, "XRRExtension-Version %d.%d", XRRMajorVersion, XRRMinorVersion);
Update();
}
XRRConfiguration::~XRRConfiguration()
{
if (bValid && bIsFullscreen)
ToggleDisplayMode(False);
if (screenResources)
XRRFreeScreenResources(screenResources);
if (outputInfo)
XRRFreeOutputInfo(outputInfo);
if (crtcInfo)
XRRFreeCrtcInfo(crtcInfo);
}
void XRRConfiguration::Update()
{
const std::string fullscreen_display_res = Config::Get(Config::MAIN_FULLSCREEN_DISPLAY_RES);
if (fullscreen_display_res == "Auto")
return;
if (!bValid)
return;
if (outputInfo)
{
XRRFreeOutputInfo(outputInfo);
outputInfo = nullptr;
}
if (crtcInfo)
{
XRRFreeCrtcInfo(crtcInfo);
crtcInfo = nullptr;
}
fullMode = 0;
// Get the resolution setings for fullscreen mode
unsigned int fullWidth, fullHeight;
char* output_name = nullptr;
char auxFlag = '\0';
if (fullscreen_display_res.find(':') == std::string::npos)
{
fullWidth = fb_width;
fullHeight = fb_height;
}
else
{
sscanf(fullscreen_display_res.c_str(), "%m[^:]: %ux%u%c", &output_name, &fullWidth, &fullHeight,
&auxFlag);
}
bool want_interlaced = ('i' == auxFlag);
for (int i = 0; i < screenResources->noutput; i++)
{
XRROutputInfo* output_info =
XRRGetOutputInfo(dpy, screenResources, screenResources->outputs[i]);
if (output_info && output_info->crtc && output_info->connection == RR_Connected)
{
XRRCrtcInfo* crtc_info = XRRGetCrtcInfo(dpy, screenResources, output_info->crtc);
if (crtc_info)
{
if (!output_name || !strcmp(output_name, output_info->name))
{
// Use the first output for the default setting.
if (!output_name)
{
output_name = strdup(output_info->name);
Config::SetBaseOrCurrent(
Config::MAIN_FULLSCREEN_DISPLAY_RES,
StringFromFormat("%s: %ux%u", output_info->name, fullWidth, fullHeight));
}
outputInfo = output_info;
crtcInfo = crtc_info;
for (int j = 0; j < output_info->nmode && fullMode == 0; j++)
{
for (int k = 0; k < screenResources->nmode && fullMode == 0; k++)
{
if (output_info->modes[j] == screenResources->modes[k].id)
{
if (fullWidth == screenResources->modes[k].width &&
fullHeight == screenResources->modes[k].height &&
want_interlaced == !!(screenResources->modes[k].modeFlags & RR_Interlace))
{
fullMode = screenResources->modes[k].id;
if (crtcInfo->x + (int)screenResources->modes[k].width > fs_fb_width)
fs_fb_width = crtcInfo->x + screenResources->modes[k].width;
if (crtcInfo->y + (int)screenResources->modes[k].height > fs_fb_height)
fs_fb_height = crtcInfo->y + screenResources->modes[k].height;
}
}
}
}
}
else
{
if (crtc_info->x + (int)crtc_info->width > fs_fb_width)
fs_fb_width = crtc_info->x + crtc_info->width;
if (crtc_info->y + (int)crtc_info->height > fs_fb_height)
fs_fb_height = crtc_info->y + crtc_info->height;
}
}
if (crtc_info && crtcInfo != crtc_info)
XRRFreeCrtcInfo(crtc_info);
}
if (output_info && outputInfo != output_info)
XRRFreeOutputInfo(output_info);
}
fs_fb_width_mm = fs_fb_width * DisplayHeightMM(dpy, screen) / DisplayHeight(dpy, screen);
fs_fb_height_mm = fs_fb_height * DisplayHeightMM(dpy, screen) / DisplayHeight(dpy, screen);
if (output_name)
free(output_name);
if (outputInfo && crtcInfo && fullMode)
{
INFO_LOG(VIDEO, "Fullscreen Resolution %dx%d", fullWidth, fullHeight);
}
else
{
ERROR_LOG(VIDEO, "Failed to obtain fullscreen size.\n"
"Using current desktop resolution for fullscreen.");
}
}
void XRRConfiguration::ToggleDisplayMode(bool bFullscreen)
{
if (!bValid || !screenResources || !outputInfo || !crtcInfo || !fullMode)
return;
if (bFullscreen == bIsFullscreen)
return;
XGrabServer(dpy);
if (bFullscreen)
{
XRRSetCrtcConfig(dpy, screenResources, outputInfo->crtc, CurrentTime, crtcInfo->x, crtcInfo->y,
fullMode, crtcInfo->rotation, crtcInfo->outputs, crtcInfo->noutput);
XRRSetScreenSize(dpy, win, fs_fb_width, fs_fb_height, fs_fb_width_mm, fs_fb_height_mm);
bIsFullscreen = true;
}
else
{
XRRSetCrtcConfig(dpy, screenResources, outputInfo->crtc, CurrentTime, crtcInfo->x, crtcInfo->y,
crtcInfo->mode, crtcInfo->rotation, crtcInfo->outputs, crtcInfo->noutput);
XRRSetScreenSize(dpy, win, fb_width, fb_height, fb_width_mm, fb_height_mm);
bIsFullscreen = false;
}
XUngrabServer(dpy);
XSync(dpy, false);
}
void XRRConfiguration::AddResolutions(std::vector<std::string>& resos)
{
if (!bValid || !screenResources)
return;
// Get all full screen resolutions for the config dialog
for (int i = 0; i < screenResources->noutput; i++)
{
XRROutputInfo* output_info =
XRRGetOutputInfo(dpy, screenResources, screenResources->outputs[i]);
if (output_info && output_info->crtc && output_info->connection == RR_Connected)
{
for (int j = 0; j < output_info->nmode; j++)
{
for (int k = 0; k < screenResources->nmode; k++)
{
if (output_info->modes[j] == screenResources->modes[k].id)
{
bool interlaced = !!(screenResources->modes[k].modeFlags & RR_Interlace);
const std::string strRes = std::string(output_info->name) + ": " +
std::string(screenResources->modes[k].name) +
(interlaced ? "i" : "");
// Only add unique resolutions
if (std::find(resos.begin(), resos.end(), strRes) == resos.end())
{
resos.push_back(strRes);
}
}
}
}
}
if (output_info)
XRRFreeOutputInfo(output_info);
}
}
#endif
}