diff options
Diffstat (limited to 'test.c')
| -rw-r--r-- | test.c | 200 |
1 files changed, 200 insertions, 0 deletions
@@ -0,0 +1,200 @@ +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <locale.h> +#include <langinfo.h> +#include <assert.h> + +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include <X11/keysym.h> + +static Atom atom_wm_protocols; +static Atom atom_wm_delete; +static Atom atom_wm_state; +static Atom atom_wm_fullscreen; +static Display *dpy; +static Window win; +static GC gc; +static XIM im; +static XIC ic; + +static void set_fullscreen() +{ + XEvent e = { 0 }; + e.type = ClientMessage; + e.xclient.window = win; + e.xclient.message_type = atom_wm_state; + e.xclient.format = 32; + e.xclient.data.l[0] = 1; + e.xclient.data.l[1] = atom_wm_fullscreen; + e.xclient.data.l[2] = 0; + + XSendEvent(dpy, DefaultRootWindow(dpy), False, SubstructureNotifyMask, &e); +} + +static int preedit_start_cb(XIC ic, XPointer client_data, XPointer p) +{ + printf("start preedit\n"); + return -1; +} + +static int preedit_stop_cb(XIC ic, XPointer client_data, XPointer p) +{ + printf("stop preedit\n"); + return 0; +} + +static int preedit_draw_cb(XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *s) +{ + printf("draw preedit %d'%s'\n", s->text->length, s->text->string.multi_byte); + return 0; +} + +int main(int argc, char ** argv) +{ + bool quit = false; + setlocale(LC_ALL, ""); + XSetLocaleModifiers("@im=xmim"); + + char *nl = nl_langinfo(CODESET); + printf("codeset %s\n", nl); + + dpy = XOpenDisplay(NULL); + assert(dpy); + int scr = DefaultScreen(dpy); + + atom_wm_protocols = XInternAtom(dpy, "WM_PROTOCOLS", True); + atom_wm_delete = XInternAtom(dpy, "WM_DELETE_WINDOW", True); + atom_wm_state = XInternAtom(dpy, "_NET_WM_STATE", True); + atom_wm_fullscreen = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", True); + + win = XCreateSimpleWindow(dpy, RootWindow(dpy, scr), 0, 0, 400, 400, 0, + WhitePixel(dpy, scr), WhitePixel(dpy, scr)); + + im = XOpenIM(dpy, NULL, NULL, NULL); + assert(im); + + XIMStyles *xim_styles = NULL; + if (XGetIMValues(im, XNQueryInputStyle, &xim_styles, NULL) == 0) { + printf("styles: (%u)\n", xim_styles->count_styles); + for (int i = 0; i < xim_styles->count_styles; i++) { + const XIMStyle style = xim_styles->supported_styles[i]; + printf(" style %lu\n", style); + } + } + + XIMCallback preedit_start = { NULL, (XIMProc) preedit_start_cb }; + XIMCallback preedit_stop = { NULL, (XIMProc) preedit_stop_cb }; + XIMCallback preedit_draw = { NULL, (XIMProc) preedit_draw_cb }; + + XVaNestedList preedit_list = + XVaCreateNestedList(0, + XNPreeditStartCallback, &preedit_start, + XNPreeditDoneCallback, &preedit_stop, + XNPreeditDrawCallback, &preedit_draw, + NULL); + + ic = XCreateIC(im, + XNInputStyle, XIMPreeditCallbacks | XIMStatusNothing, + XNClientWindow, win, XNFocusWindow, win, + XNPreeditAttributes, preedit_list, + NULL); + assert(ic); + + XGCValues gc_values; + gc = XCreateGC(dpy, win, 0, &gc_values); + + unsigned long im_event_mask; + XGetICValues(ic, XNFilterEvents, &im_event_mask, NULL); + printf("im event mask 0x%lx\n", im_event_mask); + + im_event_mask |= KeyPressMask | KeyReleaseMask | ButtonPressMask | FocusChangeMask | ClientMessage; + XSelectInput(dpy, win, im_event_mask); + XSetWMProtocols(dpy, win, &atom_wm_delete, 1); + + set_fullscreen(); + + XMapWindow(dpy, win); + + while (!quit) { + XEvent e; + XNextEvent(dpy, &e); + if (XFilterEvent(&e, None)) { + continue; + } + switch (e.type) { + case KeyPress: { + printf("key press\n"); + KeySym keysym; + Status status; + int buflength; + static int bufsize = 16; + static char *buf; + if (buf == NULL) { + buf = malloc(bufsize + 1); + assert(buf); + } + buflength = Xutf8LookupString(ic, &e.xkey, buf, bufsize, &keysym, &status); + if (status == XBufferOverflow) { + bufsize = buflength; + buf = realloc(buf, bufsize + 1); + assert(buf); + buflength = Xutf8LookupString(ic, &e.xkey, buf, bufsize, &keysym, &status); + } + switch(status) { + case XLookupKeySym: + printf("keysim(0x%lx)\n", keysym); + break; + case XLookupBoth: + printf("keysim(0x%lx)+", keysym); + // Fallthrough + case XLookupChars: + buf[buflength] = '\0'; + printf("string(%d'%s')\n", buflength, buf); + break; + case XLookupNone: + printf("none\n"); + break; + default: + printf("weirdo\n"); + break; + } + } break; + case KeyRelease: + printf("key release\n"); + break; + case ButtonPress: + printf("button press\n"); + break; + case FocusIn: + printf("focus in\n"); + XSetICFocus(ic); + break; + case FocusOut: + printf("focus out\n"); + XUnsetICFocus(ic); + break; + case ClientMessage: + printf("client message\n"); + if (e.xclient.message_type == atom_wm_protocols) { + if (e.xclient.data.l[0] == atom_wm_delete) { + quit = true; + } + } + break; + default: + printf("unknown event\n"); + break; + } + } + + XFreeGC(dpy, gc); + XDestroyIC(ic); + XCloseIM(im); + XDestroyWindow(dpy, win); + XFlush(dpy); + XCloseDisplay(dpy); + + return EXIT_SUCCESS; +} |