+++ /dev/null
-#include <stdio.h>
-#include <string.h>
-#include <pthread.h>
-#include <dlfcn.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-
-#define FPTR(f) typeof(f) * p##f
-#define FPTR_LINK(xf, dl, f) { \
- xf.p##f = dlsym(dl, #f); \
- if (xf.p##f == NULL) { \
- fprintf(stderr, "missing symbol: %s\n", #f); \
- goto fail; \
- } \
-}
-
-struct xfuncs {
-FPTR(XCreateBitmapFromData);
-FPTR(XCreatePixmapCursor);
-FPTR(XFreePixmap);
-FPTR(XOpenDisplay);
-FPTR(XDisplayName);
-FPTR(XCloseDisplay);
-FPTR(XCreateSimpleWindow);
-FPTR(XChangeWindowAttributes);
-FPTR(XSelectInput);
-FPTR(XMapWindow);
-FPTR(XNextEvent);
-FPTR(XCheckTypedEvent);
-FPTR(XUnmapWindow);
-FPTR(XGrabKeyboard);
-};
-
-
-static Cursor transparent_cursor(struct xfuncs *xf, Display *display, Window win)
-{
- Cursor cursor;
- Pixmap pix;
- XColor dummy;
- char d = 0;
-
- memset(&dummy, 0, sizeof(dummy));
- pix = xf->pXCreateBitmapFromData(display, win, &d, 1, 1);
- cursor = xf->pXCreatePixmapCursor(display, pix, pix,
- &dummy, &dummy, 0, 0);
- xf->pXFreePixmap(display, pix);
- return cursor;
-}
-
-static void *x11h_handler(void *arg)
-{
- struct xfuncs xf;
- unsigned int display_width, display_height;
- XSetWindowAttributes attributes;
- Window win;
- XEvent report;
- Display *display;
- Visual *visual;
- void *x11lib;
- int screen;
-
- memset(&xf, 0, sizeof(xf));
- x11lib = dlopen("libX11.so.6", RTLD_LAZY);
- if (x11lib == NULL) {
- fprintf(stderr, "libX11.so load failed:\n%s\n", dlerror());
- goto fail;
- }
- FPTR_LINK(xf, x11lib, XCreateBitmapFromData);
- FPTR_LINK(xf, x11lib, XCreatePixmapCursor);
- FPTR_LINK(xf, x11lib, XFreePixmap);
- FPTR_LINK(xf, x11lib, XOpenDisplay);
- FPTR_LINK(xf, x11lib, XDisplayName);
- FPTR_LINK(xf, x11lib, XCloseDisplay);
- FPTR_LINK(xf, x11lib, XCreateSimpleWindow);
- FPTR_LINK(xf, x11lib, XChangeWindowAttributes);
- FPTR_LINK(xf, x11lib, XSelectInput);
- FPTR_LINK(xf, x11lib, XMapWindow);
- FPTR_LINK(xf, x11lib, XNextEvent);
- FPTR_LINK(xf, x11lib, XCheckTypedEvent);
- FPTR_LINK(xf, x11lib, XUnmapWindow);
- FPTR_LINK(xf, x11lib, XGrabKeyboard);
-
- //XInitThreads();
-
- display = xf.pXOpenDisplay(NULL);
- if (display == NULL)
- {
- fprintf(stderr, "cannot connect to X server %s, X handling disabled.\n",
- xf.pXDisplayName(NULL));
- goto fail2;
- }
-
- visual = DefaultVisual(display, 0);
- if (visual->class != TrueColor)
- {
- fprintf(stderr, "cannot handle non true color visual\n");
- xf.pXCloseDisplay(display);
- goto fail2;
- }
-
- printf("x11h: X vendor: %s, rel: %d, display: %s, protocol ver: %d.%d\n", ServerVendor(display),
- VendorRelease(display), DisplayString(display), ProtocolVersion(display),
- ProtocolRevision(display));
-
- screen = DefaultScreen(display);
-
- display_width = DisplayWidth(display, screen);
- display_height = DisplayHeight(display, screen);
- printf("x11h: display is %dx%d\n", display_width, display_height);
-
- win = xf.pXCreateSimpleWindow(display,
- RootWindow(display, screen),
- 0, 0, display_width, display_height, 0,
- BlackPixel(display, screen),
- BlackPixel(display, screen));
-
- attributes.override_redirect = True;
- attributes.cursor = transparent_cursor(&xf, display, win);
- xf.pXChangeWindowAttributes(display, win, CWOverrideRedirect | CWCursor, &attributes);
-
- xf.pXSelectInput(display, win, ExposureMask | FocusChangeMask | KeyPressMask | KeyReleaseMask);
- xf.pXMapWindow(display, win);
- xf.pXGrabKeyboard(display, win, False, GrabModeAsync, GrabModeAsync, CurrentTime);
- // XSetIOErrorHandler
-
- while (1)
- {
- xf.pXNextEvent(display, &report);
- switch (report.type)
- {
- case Expose:
- while (xf.pXCheckTypedEvent(display, Expose, &report))
- ;
- break;
-
- case FocusOut:
- // XFocusChangeEvent
- // printf("focus out\n");
- // xf.pXUnmapWindow(display, win);
- break;
-
- case KeyPress:
- // printf("press %d\n", report.xkey.keycode);
- break;
-
- default:
- break;
- }
- }
-
-fail2:
- dlclose(x11lib);
-fail:
- fprintf(stderr, "x11 handling disabled.\n");
- return NULL;
-}
-
-int x11h_init(void)
-{
- pthread_t tid;
- int ret;
-
- ret = pthread_create(&tid, NULL, x11h_handler, NULL);
- if (ret != 0) {
- fprintf(stderr, "x11h: failed to create thread: %d\n", ret);
- return ret;
- }
- pthread_detach(tid);
-
- return 0;
-}
-
-#if 0
-int main()
-{
- x11h_init();
- sleep(5);
-}
-#endif