+++ /dev/null
-/*
- * (C) GraÅžvydas "notaz" Ignotas, 2009-2012
- *
- * This work is licensed under the terms of any of these licenses
- * (at your option):
- * - GNU GPL, version 2 or later.
- * - GNU LGPL, version 2.1 or later.
- * See the COPYING file in the top-level directory.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <pthread.h>
-
-#include <dlfcn.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/XKBlib.h>
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <termios.h>
-#include <linux/kd.h>
-
-#include "xenv.h"
-
-#define PFX "xenv: "
-
-#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 xstuff {
- Display *display;
- Window window;
- 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(XWithdrawWindow);
- FPTR(XGrabKeyboard);
- FPTR(XPending);
- FPTR(XLookupKeysym);
- FPTR(XkbSetDetectableAutoRepeat);
- FPTR(XStoreName);
- FPTR(XIconifyWindow);
- FPTR(XMoveResizeWindow);
- FPTR(XInternAtom);
- FPTR(XSetWMHints);
- FPTR(XSync);
-};
-
-static struct xstuff g_xstuff;
-
-static Cursor transparent_cursor(struct xstuff *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 int x11h_init(int *xenv_flags, const char *window_title)
-{
- unsigned int display_width, display_height;
- Display *display;
- XSetWindowAttributes attributes;
- Window win;
- Visual *visual;
- long evt_mask;
- void *x11lib;
- int screen;
-
- memset(&g_xstuff, 0, sizeof(g_xstuff));
- x11lib = dlopen("libX11.so.6", RTLD_LAZY);
- if (x11lib == NULL) {
- fprintf(stderr, "libX11.so load failed:\n%s\n", dlerror());
- goto fail;
- }
- FPTR_LINK(g_xstuff, x11lib, XCreateBitmapFromData);
- FPTR_LINK(g_xstuff, x11lib, XCreatePixmapCursor);
- FPTR_LINK(g_xstuff, x11lib, XFreePixmap);
- FPTR_LINK(g_xstuff, x11lib, XOpenDisplay);
- FPTR_LINK(g_xstuff, x11lib, XDisplayName);
- FPTR_LINK(g_xstuff, x11lib, XCloseDisplay);
- FPTR_LINK(g_xstuff, x11lib, XCreateSimpleWindow);
- FPTR_LINK(g_xstuff, x11lib, XChangeWindowAttributes);
- FPTR_LINK(g_xstuff, x11lib, XSelectInput);
- FPTR_LINK(g_xstuff, x11lib, XMapWindow);
- FPTR_LINK(g_xstuff, x11lib, XNextEvent);
- FPTR_LINK(g_xstuff, x11lib, XCheckTypedEvent);
- FPTR_LINK(g_xstuff, x11lib, XWithdrawWindow);
- FPTR_LINK(g_xstuff, x11lib, XGrabKeyboard);
- FPTR_LINK(g_xstuff, x11lib, XPending);
- FPTR_LINK(g_xstuff, x11lib, XLookupKeysym);
- FPTR_LINK(g_xstuff, x11lib, XkbSetDetectableAutoRepeat);
- FPTR_LINK(g_xstuff, x11lib, XStoreName);
- FPTR_LINK(g_xstuff, x11lib, XIconifyWindow);
- FPTR_LINK(g_xstuff, x11lib, XMoveResizeWindow);
- FPTR_LINK(g_xstuff, x11lib, XInternAtom);
- FPTR_LINK(g_xstuff, x11lib, XSetWMHints);
- FPTR_LINK(g_xstuff, x11lib, XSync);
-
- //XInitThreads();
-
- g_xstuff.display = display = g_xstuff.pXOpenDisplay(NULL);
- if (display == NULL)
- {
- fprintf(stderr, "cannot connect to X server %s, X handling disabled.\n",
- g_xstuff.pXDisplayName(NULL));
- goto fail2;
- }
-
- visual = DefaultVisual(display, 0);
- if (visual->class != TrueColor)
- fprintf(stderr, PFX "warning: non true color visual\n");
-
- printf(PFX "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(PFX "display is %dx%d\n", display_width, display_height);
-
- g_xstuff.window = win = g_xstuff.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(&g_xstuff, display, win);
- g_xstuff.pXChangeWindowAttributes(display, win, CWOverrideRedirect | CWCursor, &attributes);
-
- if (window_title != NULL)
- g_xstuff.pXStoreName(display, win, window_title);
- evt_mask = ExposureMask | FocusChangeMask | PropertyChangeMask;
- if (xenv_flags && (*xenv_flags & XENV_CAP_KEYS))
- evt_mask |= KeyPressMask | KeyReleaseMask;
- if (xenv_flags && (*xenv_flags & XENV_CAP_MOUSE))
- evt_mask |= ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
- g_xstuff.pXSelectInput(display, win, evt_mask);
- g_xstuff.pXMapWindow(display, win);
- g_xstuff.pXGrabKeyboard(display, win, False, GrabModeAsync, GrabModeAsync, CurrentTime);
- g_xstuff.pXkbSetDetectableAutoRepeat(display, 1, NULL);
- // XSetIOErrorHandler
-
- // we don't know when event dispatch will be called, so sync now
- g_xstuff.pXSync(display, False);
-
- return 0;
-fail2:
- dlclose(x11lib);
-fail:
- g_xstuff.display = NULL;
- fprintf(stderr, "x11 handling disabled.\n");
- return -1;
-}
-
-static void x11h_update(int (*key_cb)(void *cb_arg, int kc, int is_pressed),
- int (*mouseb_cb)(void *cb_arg, int x, int y, int button, int is_pressed),
- int (*mousem_cb)(void *cb_arg, int x, int y),
- void *cb_arg)
-{
- XEvent evt;
- int keysym;
-
- while (g_xstuff.pXPending(g_xstuff.display))
- {
- g_xstuff.pXNextEvent(g_xstuff.display, &evt);
- switch (evt.type)
- {
- case Expose:
- while (g_xstuff.pXCheckTypedEvent(g_xstuff.display, Expose, &evt))
- ;
- break;
-
- case KeyPress:
- keysym = g_xstuff.pXLookupKeysym(&evt.xkey, 0);
- if (key_cb != NULL)
- key_cb(cb_arg, keysym, 1);
- break;
-
- case KeyRelease:
- keysym = g_xstuff.pXLookupKeysym(&evt.xkey, 0);
- if (key_cb != NULL)
- key_cb(cb_arg, keysym, 0);
- break;
-
- case ButtonPress:
- if (mouseb_cb != NULL)
- mouseb_cb(cb_arg, evt.xbutton.x, evt.xbutton.y,
- evt.xbutton.button, 1);
- break;
-
- case ButtonRelease:
- if (mouseb_cb != NULL)
- mouseb_cb(cb_arg, evt.xbutton.x, evt.xbutton.y,
- evt.xbutton.button, 0);
- break;
-
- case MotionNotify:
- if (mousem_cb != NULL)
- mousem_cb(cb_arg, evt.xmotion.x, evt.xmotion.y);
- break;
- }
- }
-}
-
-static void x11h_wait_vmstate(void)
-{
- Atom wm_state = g_xstuff.pXInternAtom(g_xstuff.display, "WM_STATE", False);
- XEvent evt;
- int i;
-
- usleep(20000);
-
- for (i = 0; i < 20; i++) {
- while (g_xstuff.pXPending(g_xstuff.display)) {
- g_xstuff.pXNextEvent(g_xstuff.display, &evt);
- // printf("w event %d\n", evt.type);
- if (evt.type == PropertyNotify && evt.xproperty.atom == wm_state)
- return;
- }
- usleep(200000);
- }
-
- fprintf(stderr, PFX "timeout waiting for wm_state change\n");
-}
-
-static int x11h_minimize(void)
-{
- XSetWindowAttributes attributes;
- Display *display = g_xstuff.display;
- Window window = g_xstuff.window;
- int screen = DefaultScreen(g_xstuff.display);
- int display_width, display_height;
- XWMHints wm_hints;
- XEvent evt;
-
- g_xstuff.pXWithdrawWindow(display, window, screen);
-
- attributes.override_redirect = False;
- g_xstuff.pXChangeWindowAttributes(display, window,
- CWOverrideRedirect, &attributes);
-
- wm_hints.flags = StateHint;
- wm_hints.initial_state = IconicState;
- g_xstuff.pXSetWMHints(display, window, &wm_hints);
-
- g_xstuff.pXMapWindow(display, window);
-
- while (g_xstuff.pXNextEvent(display, &evt) == 0)
- {
- // printf("m event %d\n", evt.type);
- switch (evt.type)
- {
- case FocusIn:
- goto out;
- default:
- break;
- }
- }
-
-out:
- g_xstuff.pXWithdrawWindow(display, window, screen);
-
- // must wait for some magic vmstate property change before setting override_redirect
- x11h_wait_vmstate();
-
- attributes.override_redirect = True;
- g_xstuff.pXChangeWindowAttributes(display, window,
- CWOverrideRedirect, &attributes);
-
- // fixup window after resize on override_redirect loss
- display_width = DisplayWidth(display, screen);
- display_height = DisplayHeight(display, screen);
- g_xstuff.pXMoveResizeWindow(display, window, 0, 0, display_width, display_height);
-
- g_xstuff.pXMapWindow(display, window);
- g_xstuff.pXGrabKeyboard(display, window, False, GrabModeAsync, GrabModeAsync, CurrentTime);
- g_xstuff.pXkbSetDetectableAutoRepeat(display, 1, NULL);
-
- // we don't know when event dispatch will be called, so sync now
- g_xstuff.pXSync(display, False);
-
- return 0;
-}
-
-static struct termios g_kbd_termios_saved;
-static int g_kbdfd = -1;
-
-static int tty_init(void)
-{
- struct termios kbd_termios;
- int mode;
-
- g_kbdfd = open("/dev/tty", O_RDWR);
- if (g_kbdfd == -1) {
- perror(PFX "open /dev/tty");
- return -1;
- }
-
- if (ioctl(g_kbdfd, KDGETMODE, &mode) == -1) {
- perror(PFX "(not hiding FB): KDGETMODE");
- goto fail;
- }
-
- if (tcgetattr(g_kbdfd, &kbd_termios) == -1) {
- perror(PFX "tcgetattr");
- goto fail;
- }
-
- g_kbd_termios_saved = kbd_termios;
- kbd_termios.c_lflag &= ~(ICANON | ECHO); // | ISIG);
- kbd_termios.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON);
- kbd_termios.c_cc[VMIN] = 0;
- kbd_termios.c_cc[VTIME] = 0;
-
- if (tcsetattr(g_kbdfd, TCSAFLUSH, &kbd_termios) == -1) {
- perror(PFX "tcsetattr");
- goto fail;
- }
-
- if (ioctl(g_kbdfd, KDSETMODE, KD_GRAPHICS) == -1) {
- perror(PFX "KDSETMODE KD_GRAPHICS");
- tcsetattr(g_kbdfd, TCSAFLUSH, &g_kbd_termios_saved);
- goto fail;
- }
-
- return 0;
-
-fail:
- close(g_kbdfd);
- g_kbdfd = -1;
- return -1;
-}
-
-static void tty_end(void)
-{
- if (g_kbdfd < 0)
- return;
-
- if (ioctl(g_kbdfd, KDSETMODE, KD_TEXT) == -1)
- perror(PFX "KDSETMODE KD_TEXT");
-
- if (tcsetattr(g_kbdfd, TCSAFLUSH, &g_kbd_termios_saved) == -1)
- perror(PFX "tcsetattr");
-
- close(g_kbdfd);
- g_kbdfd = -1;
-}
-
-int xenv_init(int *xenv_flags, const char *window_title)
-{
- int ret;
-
- ret = x11h_init(xenv_flags, window_title);
- if (ret == 0)
- goto out;
-
- if (xenv_flags != NULL)
- *xenv_flags &= ~(XENV_CAP_KEYS | XENV_CAP_MOUSE); /* TODO? */
- ret = tty_init();
- if (ret == 0)
- goto out;
-
- fprintf(stderr, PFX "error: both x11h_init and tty_init failed\n");
- ret = -1;
-out:
- return ret;
-}
-
-int xenv_update(int (*key_cb)(void *cb_arg, int kc, int is_pressed),
- int (*mouseb_cb)(void *cb_arg, int x, int y, int button, int is_pressed),
- int (*mousem_cb)(void *cb_arg, int x, int y),
- void *cb_arg)
-{
- if (g_xstuff.display) {
- x11h_update(key_cb, mouseb_cb, mousem_cb, cb_arg);
- return 0;
- }
-
- // TODO: read tty?
- return -1;
-}
-
-/* blocking minimize until user maximizes again */
-int xenv_minimize(void)
-{
- int ret;
-
- if (g_xstuff.display) {
- xenv_update(NULL, NULL, NULL, NULL);
- ret = x11h_minimize();
- xenv_update(NULL, NULL, NULL, NULL);
- return ret;
- }
-
- return -1;
-}
-
-void xenv_finish(void)
-{
- // TODO: cleanup X?
- tty_end();
-}
-
-#if 0
-int main()
-{
- int i, r, d;
-
- xenv_init("just a test");
-
- for (i = 0; i < 5; i++) {
- while ((r = xenv_update(&d)) > 0)
- printf("%d %x %d\n", d, r, r);
- sleep(1);
-
- if (i == 1)
- xenv_minimize();
- printf("ll %d\n", i);
- }
-
- printf("xenv_finish..\n");
- xenv_finish();
-
- return 0;
-}
-#endif
notaz.gp2x.de / pcsx_rearmed.git / blobdiff