From 5adf87cddab6a4ee742e85fd18623e79fe315f0d Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Thu, 12 Aug 2021 15:24:32 +1000
Subject: [PATCH] tools: hook up absolute pointer motion in the demo client

Prints the regions and sets the pointer to somewhere around 150/150

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
 tools/ei-demo-client.c | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/tools/ei-demo-client.c b/tools/ei-demo-client.c
index ed821fa..21c5543 100644
--- a/tools/ei-demo-client.c
+++ b/tools/ei-demo-client.c
@@ -131,6 +131,24 @@ handle_keymap(struct ei_event *event)
 	}
 }
 
+static void
+handle_regions(struct ei_device *device)
+{
+	uint32_t idx = 0;
+	struct ei_region *r;
+
+	while ((r = ei_device_get_region (device, idx++))) {
+		int x, y, w, h;
+		x = ei_region_get_x(r);
+		y = ei_region_get_y(r);
+		w = ei_region_get_width(r);
+		h = ei_region_get_height(r);
+
+		colorprint("%s has region %dx%d@%d,%d\n",
+			   ei_device_get_name(device), w, h, x, y);
+	}
+}
+
 static void
 usage(FILE *fp, const char *argv0)
 {
@@ -237,10 +255,12 @@ int main(int argc, char **argv)
 	};
 	_unref_(ei_device) *ptr = NULL;
 	_unref_(ei_device) *kbd = NULL;
+	_unref_(ei_device) *abs = NULL;
 
 	bool stop = false;
 	bool have_ptr = false;
 	bool have_kbd = false;
+	bool have_abs = false;
 	struct ei_seat *default_seat = NULL;
 
 	while (!stop && poll(&fds, 1, 2000) > -1) {
@@ -291,6 +311,11 @@ int main(int argc, char **argv)
 					kbd = device;
 					handle_keymap(e);
 				}
+				if (ei_device_has_capability(device, EI_DEVICE_CAP_POINTER_ABSOLUTE)) {
+					colorprint("New abs pointer device: %s\n", ei_device_get_name(device));
+					abs = device;
+					handle_regions(device);
+				}
 				}
 				break;
 			case EI_EVENT_DEVICE_RESUMED:
@@ -302,6 +327,10 @@ int main(int argc, char **argv)
 					colorprint("Keyboard device was resumed\n");
 					have_kbd = true;
 				}
+				if (ei_event_get_device(e) == abs) {
+					colorprint("Abs pointer device was resumed\n");
+					have_abs = true;
+				}
 				break;
 			case EI_EVENT_DEVICE_SUSPENDED:
 				if (ei_event_get_device(e) == ptr) {
@@ -312,6 +341,10 @@ int main(int argc, char **argv)
 					colorprint("Keyboard device was resumed\n");
 					have_kbd = false;
 				}
+				if (ei_event_get_device(e) == abs) {
+					colorprint("Abs pointer device was resumed\n");
+					have_abs = false;
+				}
 				break;
 			case EI_EVENT_DEVICE_REMOVED:
 				{
@@ -342,6 +375,12 @@ int main(int argc, char **argv)
 			ei_device_keyboard_key(kbd, KEY_Q + key, false); /* KEY_Q */
 			key = (key + 1) % 6;
 		}
+
+		if (have_abs) {
+			static int x, y;
+			colorprint("sending abs event\n");
+			ei_device_pointer_motion_absolute(abs, 150 + ++x, 150 - ++y);
+		}
 	}
 
 	return 0;