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Add basic XIM support for key events.

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This commit is contained in:
Roz K
2022-12-23 13:28:29 +01:00
parent 61cfdbccf3
commit abd5989de8
4 changed files with 81 additions and 24 deletions
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57
cpp/events/events_x11.cpp
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@ -16,9 +16,11 @@
#include "../events.hpp"
#include <X11/Xlib.h>
unsigned rk_events_mask = KeyPressMask | KeyReleaseMask;
extern Display * rk_display;
extern Window rk_window;
extern XIC rk_input_context;
unsigned rk_events_mask = KeyPressMask | KeyReleaseMask;
rk_uint rk_consume_events(
rk_event * events,
@ -28,21 +30,44 @@ rk_uint rk_consume_events(
}
XEvent x11_event;
unsigned nevents = 0;
for ( ; nevents < max_events ; ++nevents) {
if (XCheckWindowEvent(rk_display, rk_window, rk_events_mask, &x11_event)) {
rk_event & event = events[nevents];
switch (x11_event.type) {
case KeyPress:
event.type = RK_EVENT_KEY_PRESS;
event.key.keycode = x11_event.xkey.keycode;
break;
case KeyRelease:
event.type = RK_EVENT_KEY_RELEASE;
event.key.keycode = x11_event.xkey.keycode;
break;
}
} else {
break;
wchar_t string[256];
KeySym keysym;
Status status;
while (nevents < max_events && XCheckWindowEvent(rk_display, rk_window, rk_events_mask, &x11_event)) {
if (XFilterEvent(&x11_event, 0)) {
continue;
}
rk_event & event = events[nevents++];
switch (x11_event.type) {
case KeyPress:
event.type = RK_EVENT_KEY_PRESS;
event.key.code = x11_event.xkey.keycode;
XwcLookupString(rk_input_context, &x11_event.xkey, string, 256, &keysym, &status);
switch (status) {
case XLookupChars:
event.key.symbol = XLookupKeysym(&x11_event.xkey, 0);
event.key.character = string[0];
break;
case XLookupKeySym:
event.key.symbol = keysym;
event.key.character = 0;
break;
case XLookupBoth:
event.key.symbol = keysym;
event.key.character = string[0];
break;
default:
event.key.symbol = 0;
event.key.character = 0;
break;
}
break;
case KeyRelease:
event.type = RK_EVENT_KEY_RELEASE;
event.key.code = x11_event.xkey.keycode;
event.key.symbol = XLookupKeysym(&x11_event.xkey, 0);
event.key.character = 0;
break;
}
}
return nevents;