From 19fc9e8bfa4b7a7dc2f7a5f5eccd8fb4e7e58221 Mon Sep 17 00:00:00 2001
From: Seunghun Lee <shiin.lee@samsung.com>
Date: Thu, 21 Apr 2022 14:05:11 +0900
Subject: [PATCH] examples/tinyds: Handle ds_pointer

This adds listeners of ds_pointer and prints logs.

Change-Id: I10372862b9111e2cf01f88753e16a5036ffe8406
---
 src/examples/tinyds.c | 113 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)

diff --git a/src/examples/tinyds.c b/src/examples/tinyds.c
index 77ede91..735fc30 100644
--- a/src/examples/tinyds.c
+++ b/src/examples/tinyds.c
@@ -20,6 +20,7 @@
 #include <libds/input_device.h>
 #include <libds/keyboard.h>
 #include <libds/touch.h>
+#include <libds/pointer.h>
 
 #define TINYDS_UNUSED   __attribute__((unused))
 
@@ -28,6 +29,18 @@
 
 struct tinyds_server;
 
+struct tinyds_pointer
+{
+    struct ds_input_device *dev;
+    struct tinyds_server *server;
+
+    struct wl_listener destroy;
+    struct wl_listener motion;
+    struct wl_listener motion_absolute;
+    struct wl_listener button;
+    struct wl_listener frame;
+};
+
 struct tinyds_keyboard
 {
     struct ds_input_device *dev;
@@ -303,6 +316,103 @@ server_add_touch(struct tinyds_server *server, struct ds_input_device *dev)
 }
 
 static void
+pointer_handle_device_destroy(struct wl_listener *listener, void *data)
+{
+    struct tinyds_pointer *pointer;
+
+    pointer = wl_container_of(listener, pointer, destroy);
+
+    ds_inf("Pointer(%p) destroyed", pointer);
+
+    wl_list_remove(&pointer->destroy.link);
+    wl_list_remove(&pointer->motion.link);
+    wl_list_remove(&pointer->motion_absolute.link);
+    wl_list_remove(&pointer->button.link);
+    wl_list_remove(&pointer->frame.link);
+
+    free(pointer);
+}
+
+static void
+pointer_handle_motion(struct wl_listener *listener, void *data)
+{
+    struct tinyds_pointer *pointer;
+
+    pointer = wl_container_of(listener, pointer, motion);
+
+    ds_inf("Pointer(%p) motion", pointer);
+}
+
+static void
+pointer_handle_motion_absolute(struct wl_listener *listener, void *data)
+{
+    struct tinyds_pointer *pointer;
+    struct ds_event_pointer_motion_absolute *event = data;
+
+    pointer = wl_container_of(listener, pointer, motion_absolute);
+
+    ds_inf("Pointer(%p) motion absolute: (x %f y %f) time(%d)",
+            pointer, event->x, event->y, event->time_msec);
+}
+
+static void
+pointer_handle_button(struct wl_listener *listener, void *data)
+{
+    struct tinyds_pointer *pointer;
+    struct ds_event_pointer_button *event = data;
+
+    pointer = wl_container_of(listener, pointer, button);
+
+    ds_inf("Pointer(%p) button(%d): state(%s) time(%d)",
+            pointer, event->button,
+            (event->state == DS_BUTTON_PRESSED) ? "Pressed" : "Released",
+            event->time_msec);
+}
+
+static void
+pointer_handle_frame(struct wl_listener *listener, void *data)
+{
+    struct tinyds_pointer *pointer;
+
+    pointer = wl_container_of(listener, pointer, motion);
+
+    ds_inf("Pointer(%p) frame", pointer);
+}
+
+static void
+server_add_pointer(struct tinyds_server *server, struct ds_input_device *dev)
+{
+    struct tinyds_pointer *pointer;
+
+    pointer = calloc(1, sizeof *pointer);
+    assert(pointer);
+
+    pointer->dev = dev;
+    pointer->server = server;
+
+    pointer->destroy.notify = pointer_handle_device_destroy;
+    ds_input_device_add_destroy_listener(dev, &pointer->destroy);
+
+    pointer->motion.notify = pointer_handle_motion;
+    ds_pointer_add_motion_listener(ds_input_device_get_pointer(dev),
+            &pointer->motion);
+
+    pointer->motion_absolute.notify = pointer_handle_motion_absolute;
+    ds_pointer_add_motion_absolute_listener(ds_input_device_get_pointer(dev),
+            &pointer->motion_absolute);
+
+    pointer->button.notify = pointer_handle_button;
+    ds_pointer_add_button_listener(ds_input_device_get_pointer(dev),
+            &pointer->button);
+
+    pointer->frame.notify = pointer_handle_frame;
+    ds_pointer_add_frame_listener(ds_input_device_get_pointer(dev),
+            &pointer->frame);
+
+    ds_inf("Pointer(%p) added", pointer);
+}
+
+static void
 server_handle_new_input(struct wl_listener *listener, void *data)
 {
     struct tinyds_server *server;
@@ -319,6 +429,9 @@ server_handle_new_input(struct wl_listener *listener, void *data)
         case DS_INPUT_DEVICE_TOUCH:
             server_add_touch(server, dev);
             break;
+        case DS_INPUT_DEVICE_POINTER:
+            server_add_pointer(server, dev);
+            break;
         default:
             ds_err("Unknown type(%d) of ds_input_device", dev_type);
             break;
-- 
2.7.4