dolphin/Source/Core/DolphinWX/Src/X11Utils.cpp

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// Copyright (C) 2003 Dolphin Project.
// This program 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, version 2.0.
// This program 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "X11Utils.h"
#if defined(HAVE_XDG_SCREENSAVER) && HAVE_XDG_SCREENSAVER
#include <unistd.h>
#include <spawn.h>
#include <sys/wait.h>
extern char **environ;
#endif
namespace X11Utils
{
void SendClientEvent(Display *dpy, const char *message,
int data1, int data2, int data3, int data4)
{
XEvent event;
Window win = (Window)Core::GetWindowHandle();
// Init X event structure for client message
event.xclient.type = ClientMessage;
event.xclient.format = 32;
event.xclient.data.l[0] = XInternAtom(dpy, message, False);
event.xclient.data.l[1] = data1;
event.xclient.data.l[2] = data2;
event.xclient.data.l[3] = data3;
event.xclient.data.l[4] = data4;
// Send the event
if (!XSendEvent(dpy, win, False, False, &event))
ERROR_LOG(VIDEO, "Failed to send message %s to the emulator window.", message);
}
void SendKeyEvent(Display *dpy, int key)
{
XEvent event;
Window win = (Window)Core::GetWindowHandle();
// Init X event structure for key press event
event.xkey.type = KeyPress;
// WARNING: This works for ASCII keys. If in the future other keys are needed
// convert with InputCommon::wxCharCodeWXToX from X11InputBase.cpp.
event.xkey.keycode = XKeysymToKeycode(dpy, key);
// Send the event
if (!XSendEvent(dpy, win, False, False, &event))
ERROR_LOG(VIDEO, "Failed to send key press event to the emulator window.");
}
void EWMH_Fullscreen(Display *dpy, int action)
{
_assert_(action == _NET_WM_STATE_REMOVE || action == _NET_WM_STATE_ADD
|| action == _NET_WM_STATE_TOGGLE);
Window win = (Window)Core::GetWindowHandle();
// 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] = action;
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.");
}
#if defined(HAVE_WX) && HAVE_WX
Window XWindowFromHandle(void *Handle)
{
return GDK_WINDOW_XID(GTK_WIDGET(Handle)->window);
}
Display *XDisplayFromHandle(void *Handle)
{
return GDK_WINDOW_XDISPLAY(GTK_WIDGET(Handle)->window);
}
#endif
#if defined(HAVE_XDG_SCREENSAVER) && HAVE_XDG_SCREENSAVER
void InhibitScreensaver(Display *dpy, 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,
NULL};
pid_t pid;
if (!posix_spawnp(&pid, "xdg-screensaver", NULL, NULL, argv, environ))
{
int status;
while (waitpid (pid, &status, 0) == -1);
DEBUG_LOG(VIDEO, "Started xdg-screensaver (PID = %d)", (int)pid);
}
}
#endif
#if defined(HAVE_XRANDR) && HAVE_XRANDR
XRRConfiguration::XRRConfiguration(Display *_dpy, Window _win)
: dpy(_dpy)
, win(_win)
, deskSize(-1), fullSize(-1)
, bValid(true)
{
XRRScreenSize *sizes;
int numSizes;
// XRRSizes is safe to call even if the RANDR extension is not present and numSizes
// will be 0 in that case (according to the documentation)
sizes = XRRSizes(dpy, DefaultScreen(dpy), &numSizes);
if (!numSizes)
{
NOTICE_LOG(VIDEO, "XRRExtension not supported.");
bValid = false;
return;
}
int vidModeMajorVersion, vidModeMinorVersion;
XRRQueryVersion(dpy, &vidModeMajorVersion, &vidModeMinorVersion);
NOTICE_LOG(VIDEO, "XRRExtension-Version %d.%d", vidModeMajorVersion, vidModeMinorVersion);
Update();
}
XRRConfiguration::~XRRConfiguration()
{
if (bValid)
{
ToggleDisplayMode(False);
XRRFreeScreenConfigInfo(screenConfig);
}
}
void XRRConfiguration::Update()
{
if (!bValid)
return;
// Get the resolution setings for fullscreen mode
int fullWidth, fullHeight;
sscanf(SConfig::GetInstance().m_LocalCoreStartupParameter.strFullscreenResolution.c_str(),
"%dx%d", &fullWidth, &fullHeight);
XRRScreenSize *sizes;
int numSizes;
screenConfig = XRRGetScreenInfo(dpy, win);
/* save desktop resolution */
deskSize = XRRConfigCurrentConfiguration(screenConfig, &screenRotation);
/* Set the desktop resolution as the default */
fullSize = deskSize;
/* Find the index of the fullscreen resolution from config */
sizes = XRRConfigSizes(screenConfig, &numSizes);
if (numSizes > 0 && sizes != NULL) {
for (int i = 0; i < numSizes; i++) {
if ((sizes[i].width == fullWidth) && (sizes[i].height == fullHeight)) {
fullSize = i;
}
}
NOTICE_LOG(VIDEO, "Fullscreen Resolution %dx%d",
sizes[fullSize].width, sizes[fullSize].height);
}
else {
ERROR_LOG(VIDEO, "Failed to obtain fullscreen size.\n"
"Using current desktop resolution for fullscreen.");
}
}
void XRRConfiguration::ToggleDisplayMode(bool bFullscreen)
{
if (!bValid)
return;
if (bFullscreen)
XRRSetScreenConfig(dpy, screenConfig, win,
fullSize, screenRotation, CurrentTime);
else
XRRSetScreenConfig(dpy, screenConfig, win,
deskSize, screenRotation, CurrentTime);
}
#if defined(HAVE_WX) && HAVE_WX
void XRRConfiguration::AddResolutions(wxArrayString& arrayStringFor_FullscreenResolution)
{
if (!bValid)
return;
int screen;
screen = DefaultScreen(dpy);
//Get all full screen resos for the config dialog
XRRScreenSize *sizes = NULL;
int modeNum = 0;
sizes = XRRSizes(dpy, screen, &modeNum);
if (modeNum > 0 && sizes != NULL)
{
for (int i = 0; i < modeNum; i++)
arrayStringFor_FullscreenResolution.Add(wxString::Format(wxT("%dx%d"),
sizes[i].width, sizes[i].height));
}
}
#endif
#endif
}