308 lines
10 KiB
C++
308 lines
10 KiB
C++
#include "X11Window.h"
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X11Window::X11Window(int _iwidth, int _iheight) {
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int _twidth, _theight;
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if(g_Config.bFullscreen) {
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if(strlen(g_Config.iFSResolution) > 1) {
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sscanf(g_Config.iFSResolution, "%dx%d", &_twidth, &_theight);
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}
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else { // No full screen reso set, fall back to default {
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_twidth = _iwidth;
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_theight = _iheight;
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}
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} else {// Going Windowed
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if(strlen(g_Config.iWindowedRes) > 1) {
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sscanf(g_Config.iWindowedRes, "%dx%d", &_twidth, &_theight);
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}
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else { // No Window reso set, fall back to default
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_twidth = _iwidth;
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_theight = _iheight;
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}
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}
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SetSize(_twidth, _theight);
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// ---------------------------------------------------------------------------------------
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// Control window size and picture scaling
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// ------------------
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// nBackbufferWidth and nBackbufferHeight = Screen resolution from ini, or 640x480
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// See OpenGL_Update() for documentation of the other variables
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// ------------------
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nBackbufferWidth = _twidth;
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nBackbufferHeight = _theight;
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float FactorW = 640.0f / (float)nBackbufferWidth;
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float FactorH = 480.0f / (float)nBackbufferHeight;
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float Max = (FactorW < FactorH) ? FactorH : FactorW;
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if(g_Config.bStretchToFit) {
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MValueX = 1.0f / FactorW;
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MValueY = 1.0f / FactorH;
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nXoff = 0;
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nYoff = 0;
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} else {
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MValueX = 1.0f / Max;
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MValueY = 1.0f / Max;
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nXoff = (int)((nBackbufferWidth - (640 * MValueX)) / 2);
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nYoff = (int)((nBackbufferHeight - (480 * MValueY)) / 2);
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}
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XVisualInfo *vi;
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Colormap cmap;
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int dpyWidth, dpyHeight;
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int glxMajorVersion, glxMinorVersion;
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int vidModeMajorVersion, vidModeMinorVersion;
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Atom wmDelete;
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// attributes for a single buffered visual in RGBA format with at least
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// 8 bits per color and a 24 bit depth buffer
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int attrListSgl[] = {GLX_RGBA, GLX_RED_SIZE, 8,
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GLX_GREEN_SIZE, 8,
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GLX_BLUE_SIZE, 8,
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GLX_DEPTH_SIZE, 24,
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None};
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// attributes for a double buffered visual in RGBA format with at least
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// 8 bits per color and a 24 bit depth buffer
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int attrListDbl[] = { GLX_RGBA, GLX_DOUBLEBUFFER,
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GLX_RED_SIZE, 8,
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GLX_GREEN_SIZE, 8,
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GLX_BLUE_SIZE, 8,
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GLX_DEPTH_SIZE, 24,
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GLX_SAMPLE_BUFFERS_ARB, g_Config.iMultisampleMode, GLX_SAMPLES_ARB, 1, None };
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dpy = XOpenDisplay(0);
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g_VideoInitialize.pWindowHandle = (HWND)dpy;
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screen = DefaultScreen(dpy);
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fs = g_Config.bFullscreen; //Set to setting in Options
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/* get an appropriate visual */
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vi = glXChooseVisual(dpy, screen, attrListDbl);
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if (vi == NULL) {
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vi = glXChooseVisual(dpy, screen, attrListSgl);
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doubleBuffered = False;
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ERROR_LOG("Only Singlebuffered Visual!\n");
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} else {
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doubleBuffered = True;
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ERROR_LOG("Got Doublebuffered Visual!\n");
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}
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glXQueryVersion(dpy, &glxMajorVersion, &glxMinorVersion);
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ERROR_LOG("glX-Version %d.%d\n", glxMajorVersion, glxMinorVersion);
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/* create a GLX context */
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ctx = glXCreateContext(dpy, vi, 0, GL_TRUE);
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if(!ctx) {
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ERROR_LOG("Couldn't Create GLX context.Quit");
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exit(0); // TODO: Don't bring down entire Emu
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}
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/* create a color map */
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cmap = XCreateColormap(dpy, RootWindow(dpy, vi->screen),
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vi->visual, AllocNone);
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attr.colormap = cmap;
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attr.border_pixel = 0;
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// get a connection
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XF86VidModeQueryVersion(dpy, &vidModeMajorVersion, &vidModeMinorVersion);
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if (fs) {
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XF86VidModeModeInfo **modes = NULL;
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int modeNum = 0;
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int bestMode = 0;
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// set best mode to current
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bestMode = 0;
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ERROR_LOG("XF86VidModeExtension-Version %d.%d\n", vidModeMajorVersion, vidModeMinorVersion);
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XF86VidModeGetAllModeLines(dpy, screen, &modeNum, &modes);
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if (modeNum > 0 && modes != NULL) {
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/* save desktop-resolution before switching modes */
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deskMode = *modes[0];
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/* look for mode with requested resolution */
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for (int i = 0; i < modeNum; i++) {
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if ((modes[i]->hdisplay == _twidth) &&
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(modes[i]->vdisplay == _theight)) {
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bestMode = i;
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}
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}
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XF86VidModeSwitchToMode(dpy, screen, modes[bestMode]);
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XF86VidModeSetViewPort(dpy, screen, 0, 0);
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dpyWidth = modes[bestMode]->hdisplay;
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dpyHeight = modes[bestMode]->vdisplay;
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ERROR_LOG("Resolution %dx%d\n", dpyWidth, dpyHeight);
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XFree(modes);
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/* create a fullscreen window */
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attr.override_redirect = True;
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attr.event_mask = ExposureMask | KeyPressMask | ButtonPressMask |
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KeyReleaseMask | ButtonReleaseMask | StructureNotifyMask;
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win = XCreateWindow(dpy, RootWindow(dpy, vi->screen), 0, 0,
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dpyWidth, dpyHeight, 0, vi->depth, InputOutput,
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vi->visual, CWBorderPixel | CWColormap |
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CWEventMask | CWOverrideRedirect, &attr);
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XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0);
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XMapRaised(dpy, win);
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XGrabKeyboard(dpy, win, True, GrabModeAsync,
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GrabModeAsync, CurrentTime);
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XGrabPointer(dpy, win, True, ButtonPressMask,
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GrabModeAsync, GrabModeAsync, win, None, CurrentTime);
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}
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else {
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ERROR_LOG("Failed to start fullscreen. If you received the \n"
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"\"XFree86-VidModeExtension\" extension is missing, add\n"
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"Load \"extmod\"\n"
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"to your X configuration file (under the Module Section)\n");
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fs = 0;
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}
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}
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if (!fs) {
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// create a window in window mode
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attr.event_mask = ExposureMask | KeyPressMask | ButtonPressMask |
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KeyReleaseMask | ButtonReleaseMask |
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StructureNotifyMask | ResizeRedirectMask;
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win = XCreateWindow(dpy, RootWindow(dpy, vi->screen), 0, 0, _twidth,
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_theight, 0, vi->depth, InputOutput, vi->visual,
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CWBorderPixel | CWColormap | CWEventMask, &attr);
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// only set window title and handle wm_delete_events if in windowed mode
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wmDelete = XInternAtom(dpy, "WM_DELETE_WINDOW", True);
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XSetWMProtocols(dpy, win, &wmDelete, 1);
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XSetStandardProperties(dpy, win, "GPU",
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"GPU", None, NULL, 0, NULL);
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XMapRaised(dpy, win);
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}
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}
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X11Window::~X11Window() {
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if (ctx) {
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if (!glXMakeCurrent(dpy, None, NULL)) {
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ERROR_LOG("Could not release drawing context.\n");
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}
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XUnmapWindow(dpy, win);
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glXDestroyContext(dpy, ctx);
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XCloseDisplay(dpy);
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ctx = NULL;
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}
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/* switch back to original desktop resolution if we were in fs */
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if (dpy != NULL) {
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if (fs) {
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XF86VidModeSwitchToMode(dpy, screen, &deskMode);
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XF86VidModeSetViewPort(dpy, screen, 0, 0);
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}
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}
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}
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void X11Window::SwapBuffers() {
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glXSwapBuffers(dpy, win);
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}
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void X11Window::SetWindowText(const char *text) {
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/**
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* Tell X to ask the window manager to set the window title. (X
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* itself doesn't provide window title functionality.)
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*/
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XStoreName(dpy, win, text);
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}
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bool X11Window::PeekMessages() {
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// TODO: implement
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return false;
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}
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void X11Window::Update() {
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// We just check all of our events here
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XEvent event;
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KeySym key;
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static bool ShiftPressed = false;
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static bool ControlPressed = false;
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static int FKeyPressed = -1;
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int x,y;
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u32 w,h,depth;
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int num_events;
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for (num_events = XPending(dpy);num_events > 0;num_events--) {
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XNextEvent(dpy, &event);
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switch(event.type) {
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case KeyRelease:
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key = XLookupKeysym((XKeyEvent*)&event, 0);
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if(key >= XK_F1 && key <= XK_F9) {
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g_VideoInitialize.pKeyPress(FKeyPressed, ShiftPressed, ControlPressed);
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FKeyPressed = -1;
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} else {
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if(key == XK_Shift_L || key == XK_Shift_R)
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ShiftPressed = false;
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else if(key == XK_Control_L || key == XK_Control_R)
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ControlPressed = false;
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else
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XPutBackEvent(dpy, &event);
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}
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break;
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case KeyPress:
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key = XLookupKeysym((XKeyEvent*)&event, 0);
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if(key >= XK_F1 && key <= XK_F9)
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FKeyPressed = key - 0xff4e;
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else {
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if(key == XK_Shift_L || key == XK_Shift_R)
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ShiftPressed = true;
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else if(key == XK_Control_L || key == XK_Control_R)
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ControlPressed = true;
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else
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XPutBackEvent(dpy, &event);
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}
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break;
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case ButtonPress:
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case ButtonRelease:
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XPutBackEvent(dpy, &event);
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break;
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case ConfigureNotify:
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Window winDummy;
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unsigned int borderDummy;
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XGetGeometry(dpy, win, &winDummy, &x, &y,
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&w, &h, &borderDummy, &depth);
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SetSize(w, h);
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nBackbufferWidth = w;
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nBackbufferHeight = h;
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break;
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case ClientMessage: //TODO: We aren't reading this correctly, It could be anything, highest chance is that it's a close event though
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Video_Shutdown(); // Calling from here since returning false does nothing
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return;
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break;
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default:
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//TODO: Should we put the event back if we don't handle it?
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// I think we handle all the needed ones, the rest shouldn't matter
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// But to be safe, let's but them back anyway
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//XPutBackEvent(dpy, &event);
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break;
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}
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}
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return;
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}
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bool X11Window::MakeCurrent() {
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Window winDummy;
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unsigned int borderDummy;
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int x,y;
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u32 w,h,depth;
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// connect the glx-context to the window
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glXMakeCurrent(dpy, win, ctx);
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XGetGeometry(dpy, win, &winDummy, &x, &y,
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&w, &h, &borderDummy, &depth);
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SetSize(w, h);
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ERROR_LOG("GLWin Depth %d", depth);
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if (glXIsDirect(dpy, ctx))
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ERROR_LOG("you have Direct Rendering!");
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else
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ERROR_LOG("no Direct Rendering possible!");
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// better for pad plugin key input (thc)
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XSelectInput(dpy, win, ExposureMask | KeyPressMask | ButtonPressMask |
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KeyReleaseMask | ButtonReleaseMask | StructureNotifyMask |
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EnterWindowMask | LeaveWindowMask | FocusChangeMask);
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return true;
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}
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