From 44295ab0441588160b3fe28b48edf4ea0bd5d33c Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Mon, 6 Mar 2023 16:08:26 +1000
Subject: [PATCH] tools: add touch support to the ei-demo-client

---
 tools/ei-demo-client.c | 58 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/tools/ei-demo-client.c b/tools/ei-demo-client.c
index dcbd416..383f979 100644
--- a/tools/ei-demo-client.c
+++ b/tools/ei-demo-client.c
@@ -279,11 +279,13 @@ int main(int argc, char **argv)
 	_unref_(ei_device) *ptr = NULL;
 	_unref_(ei_device) *kbd = NULL;
 	_unref_(ei_device) *abs = NULL;
+	_unref_(ei_device) *touch = NULL;
 
 	bool stop = false;
 	bool have_ptr = false;
 	bool have_kbd = false;
 	bool have_abs = false;
+	bool have_touch = false;
 	struct ei_seat *default_seat = NULL;
 
 	uint32_t sequence = 0;
@@ -344,6 +346,11 @@ int main(int argc, char **argv)
 					abs = ei_device_ref(device);
 					handle_regions(device);
 				}
+				if (ei_device_has_capability(device, EI_DEVICE_CAP_TOUCH)) {
+					colorprint("New touch device: %s\n", ei_device_get_name(device));
+					touch = ei_device_ref(device);
+					handle_regions(device);
+				}
 				}
 				break;
 			case EI_EVENT_DEVICE_RESUMED:
@@ -365,6 +372,12 @@ int main(int argc, char **argv)
 					colorprint("Abs pointer device was resumed\n");
 					have_abs = true;
 				}
+				if (ei_event_get_device(e) == touch) {
+					if (!receiver)
+						ei_device_start_emulating(touch, ++sequence);
+					colorprint("Touch device was resumed\n");
+					have_touch = true;
+				}
 				break;
 			case EI_EVENT_DEVICE_PAUSED:
 				if (ei_event_get_device(e) == ptr) {
@@ -379,6 +392,10 @@ int main(int argc, char **argv)
 					colorprint("Abs pointer device was paused\n");
 					have_abs = false;
 				}
+				if (ei_event_get_device(e) == touch) {
+					colorprint("Touch device was paused\n");
+					have_touch = false;
+				}
 				break;
 			case EI_EVENT_DEVICE_REMOVED:
 				{
@@ -441,6 +458,21 @@ int main(int argc, char **argv)
 					   ei_event_keyboard_get_key_is_press(e) ? "press" : "release");
 				}
 				break;
+			case EI_EVENT_TOUCH_DOWN:
+			case EI_EVENT_TOUCH_MOTION:
+				{
+				colorprint("touch %s %u %.2f/%.2f\n",
+					   ei_event_get_type(e) == EI_EVENT_TOUCH_DOWN ? "down" : "motion",
+					   ei_event_touch_get_id(e),
+					   ei_event_touch_get_x(e),
+					   ei_event_touch_get_y(e));
+				}
+				break;
+			case EI_EVENT_TOUCH_UP:
+				{
+				colorprint("touch up %u\n", ei_event_touch_get_id(e));
+				}
+				break;
 			default:
 				abort();
 			}
@@ -492,6 +524,32 @@ int main(int argc, char **argv)
 				ei_device_frame(abs, now);
 				now += interval;
 			}
+
+			if (have_touch) {
+				static int x, y;
+				static int counter = 0;
+				static struct ei_touch *t;
+
+				switch (counter++ % 5) {
+					case 0:
+						colorprint("sending touch down event\n");
+						t = ei_device_touch_new(touch);
+						ei_touch_down(t, 100 + ++x, 200 - ++y);
+						ei_device_frame(touch, now);
+						break;
+					case 4:
+						colorprint("sending touch down event\n");
+						ei_touch_up(t);
+						ei_device_frame(touch, now);
+						t = ei_touch_unref(t);
+						break;
+					default:
+						ei_touch_motion(t, 100 + ++x, 200 - ++y);
+						ei_device_frame(touch, now);
+						break;
+				}
+
+			}
 		}
 	}