neko/internal/desktop/xevent/xevent.c
2021-01-12 00:09:43 +01:00

76 lines
2.2 KiB
C

#include "xevent.h"
static int XEventError(Display *display, XErrorEvent *event) {
char message[100];
int error;
error = XGetErrorText(display, event->error_code, message, sizeof(message));
if (error) {
goXEventError(event, "Could not get error message.");
} else {
goXEventError(event, message);
}
return 1;
}
void XEventLoop(char *name) {
Display *display = XOpenDisplay(name);
Window root = RootWindow(display, 0);
int xfixes_event_base, xfixes_error_base;
if (!XFixesQueryExtension(display, &xfixes_event_base, &xfixes_error_base)) {
return;
}
Atom XA_CLIPBOARD;
XA_CLIPBOARD = XInternAtom(display, "CLIPBOARD", 0);
XFixesSelectSelectionInput(display, root, XA_CLIPBOARD, XFixesSetSelectionOwnerNotifyMask);
XFixesSelectCursorInput(display, root, XFixesDisplayCursorNotifyMask);
XSelectInput(display, root, SubstructureNotifyMask);
XSync(display, 0);
XSetErrorHandler(XEventError);
while (goXEventActive()) {
XEvent event;
XNextEvent(display, &event);
// XFixesDisplayCursorNotify
if (event.type == xfixes_event_base + 1) {
XFixesCursorNotifyEvent notifyEvent = *((XFixesCursorNotifyEvent *) &event);
if (notifyEvent.subtype == XFixesDisplayCursorNotify) {
goXEventCursorChanged(notifyEvent);
continue;
}
}
// XFixesSelectionNotifyEvent
if (event.type == xfixes_event_base + XFixesSelectionNotify) {
XFixesSelectionNotifyEvent notifyEvent = *((XFixesSelectionNotifyEvent *) &event);
if (notifyEvent.subtype == XFixesSetSelectionOwnerNotify && notifyEvent.selection == XA_CLIPBOARD) {
goXEventClipboardUpdated();
continue;
}
}
// XFixesSelectionNotifyEvent
if (event.type == CreateNotify) {
char *name;
XFetchName(display, event.xcreatewindow.window, &name);
char *role;
XTextProperty text_data;
Atom atom = XInternAtom(display, "WM_WINDOW_ROLE", True);
int status = XGetTextProperty(display, event.xcreatewindow.window, &text_data, atom);
role = (char *)text_data.value;
goXEventWindowCreated(event.xcreatewindow, name, role);
XFree(name);
continue;
}
}
XCloseDisplay(display);
}