Upload files to ''

makefile

@@ -0,0 +1,2 @@
+mtxev: test.c
+	cc -o test test.c -lxcb -lxcb-xinput

test.c

@@ -0,0 +1,166 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <xcb/xcb.h>
+#include <xcb/xinput.h>
+
+/************************************************************************************************************/
+/* _ ********************************************************************************************************/
+/************************************************************************************************************/
+
+static void _loop  (void);
+static void _init  (void);
+static void _reset (void);
+static void _event (xcb_ge_generic_event_t *x_ev);
+
+/************************************************************************************************************/
+/************************************************************************************************************/
+/************************************************************************************************************/
+
+static xcb_connection_t *_x_con = NULL;
+static xcb_screen_t     *_x_scr = NULL;
+static xcb_window_t      _x_win = 0;
+
+/************************************************************************************************************/
+/************************************************************************************************************/
+/************************************************************************************************************/
+
+int
+main(int argc, char **argv)
+{
+	_init();
+	_loop();
+	_reset();
+}
+
+/************************************************************************************************************/
+/* _ ********************************************************************************************************/
+/************************************************************************************************************/
+
+static void
+_event(xcb_ge_generic_event_t *x_ev)
+{
+	xcb_input_touch_begin_event_t     *x_ev_b = (xcb_input_touch_begin_event_t*)x_ev;
+	xcb_input_touch_ownership_event_t *x_ev_o = (xcb_input_touch_ownership_event_t*)x_ev;
+
+	switch (x_ev->event_type) {
+		
+		case XCB_INPUT_TOUCH_BEGIN:
+			if (x_ev_b->event == _x_win) {
+				printf("begin - %lu\n", x_ev_b->detail);
+			}
+			break;
+
+		case XCB_INPUT_TOUCH_END:
+			if (x_ev_b->event == _x_win) {
+				printf("end - %lu\n", x_ev_b->detail);
+			}
+			break;
+
+		case XCB_INPUT_TOUCH_UPDATE:
+			printf("update - %lu\n", x_ev_b->detail);
+			break;
+
+		case XCB_INPUT_TOUCH_OWNERSHIP:
+			if (x_ev_b->event == _x_win) {
+				printf("ownership - %lu\n", x_ev_o->touchid);
+			}
+			break;
+	}
+}
+
+/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
+
+static void
+_init(void)
+{
+	/* xcb session */
+
+	_x_con = xcb_connect(NULL, NULL);
+	_x_scr =  xcb_setup_roots_iterator(xcb_get_setup(_x_con)).data;
+
+	/* xcb window */
+
+	uint32_t mask_vals[2]; 
+
+	mask_vals[0] = _x_scr->white_pixel;
+	mask_vals[1] = XCB_EVENT_MASK_EXPOSURE;
+
+	_x_win = xcb_generate_id(_x_con);	                       
+	xcb_create_window(
+		_x_con,
+		XCB_COPY_FROM_PARENT,
+		_x_win,
+		_x_scr->root,
+		0, 0,
+		400, 400,
+		0,
+		XCB_WINDOW_CLASS_INPUT_OUTPUT,
+		_x_scr->root_visual,
+		XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK,
+		mask_vals);
+
+	xcb_map_window(_x_con, _x_win);
+
+	/* xinput extension */
+
+	/* https://lwn.net/Articles/475886/ */
+	/* https://github.com/freedesktop/xcb-proto/blob/master/src/xinput.xml */
+
+	/* thanks you random citizens */
+
+	/* https://searchcode.com/file/635605507/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp/ */
+	/* https://stackoverflow.com/questions/39641675/how-to-register-events-using-libxcb-xinput */
+
+	struct {
+    	xcb_input_event_mask_t head;
+    	xcb_input_xi_event_mask_t mask;
+	} mask;
+
+	mask.head.deviceid = XCB_INPUT_DEVICE_ALL;
+	mask.head.mask_len = 1;
+	
+	mask.mask = 
+		XCB_INPUT_XI_EVENT_MASK_TOUCH_BEGIN  |
+		XCB_INPUT_XI_EVENT_MASK_TOUCH_END    |
+		XCB_INPUT_XI_EVENT_MASK_TOUCH_UPDATE |
+		XCB_INPUT_XI_EVENT_MASK_TOUCH_OWNERSHIP;
+
+	xcb_input_xi_select_events(_x_con, _x_win, 1, (xcb_input_event_mask_t*)(&mask));
+
+	/* end */
+
+	xcb_flush(_x_con);
+}
+
+/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
+
+static void
+_loop(void)
+{
+	xcb_generic_event_t *x_ev;
+	while ((x_ev = xcb_wait_for_event(_x_con))) {	
+		switch (x_ev->response_type & ~0x80) {
+			
+			case XCB_EXPOSE:
+				break;
+
+			case XCB_GE_GENERIC:
+				_event((xcb_ge_generic_event_t*)x_ev);
+				break;
+		}
+		free(x_ev);
+		xcb_flush(_x_con);
+	}
+}
+
+/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
+
+static void
+_reset(void)
+{
+	xcb_unmap_window(_x_con, _x_win);
+	xcb_destroy_window(_x_con, _x_win);
+	xcb_disconnect(_x_con);
+}