From fe84e69990a9f156a818eb1547384812bc9db41c Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Fri, 7 Apr 2023 23:05:42 +0200
Subject: add pointer support

---
 swt.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 60 insertions(+), 3 deletions(-)

(limited to 'swt.c')

diff --git a/swt.c b/swt.c
index dbd06b8..befcfd1 100644
--- a/swt.c
+++ b/swt.c
@@ -51,6 +51,11 @@ static void keyboard_key(void *data, struct wl_keyboard *keyboard, uint32_t seri
 static void keyboard_modifiers(void *data, struct wl_keyboard *keyboard, uint32_t serial, uint32_t depressed, uint32_t latched, uint32_t locked, uint32_t group);
 static void keyboard_repeat_info(void *data, struct wl_keyboard *keyboard, int32_t rate, int32_t delay);
 static void handle_keyboard_event();
+static void pointer_enter(void *data, struct wl_pointer *pointer, uint32_t serial, struct wl_surface *surface, wl_fixed_t x, wl_fixed_t y);
+static void pointer_leave(void *data, struct wl_pointer *pointer, uint32_t serial, struct wl_surface *surface);
+static void pointer_motion(void *data, struct wl_pointer *pointer, uint32_t time, wl_fixed_t x, wl_fixed_t y);
+static void pointer_button(void *data, struct wl_pointer *pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t state);
+static void pointer_axis(void *data, struct wl_pointer *pointer, uint32_t time, uint32_t axis, wl_fixed_t value);
 static void dummy() {}
 
 
@@ -79,6 +84,11 @@ static const struct xdg_wm_base_listener wm_base_listener = {
 	.ping = wm_base_ping,
 };
 
+static const struct wl_seat_listener seat_listener = {
+	.capabilities = seat_capabilities,
+	.name = dummy
+};
+
 static const struct wl_keyboard_listener keyboard_listener = {
 	.keymap = keyboard_keymap,
 	.key = keyboard_key,
@@ -88,11 +98,20 @@ static const struct wl_keyboard_listener keyboard_listener = {
 	.leave = dummy,
 };
 
-static const struct wl_seat_listener seat_listener = {
-	.capabilities = seat_capabilities,
-	.name = dummy
+const struct wl_pointer_listener pointer_listener = {
+	.enter = pointer_enter,
+	.leave = pointer_leave,
+	.motion = pointer_motion,
+	.button = pointer_button,
+	.axis = pointer_axis,
+	.axis_discrete = dummy,
+	.axis_source = dummy,
+	.axis_stop = dummy,
+	.axis_value120 = dummy,
+	.frame = dummy,
 };
 
+
 Client client = { 0 };
 Window win = { 0 };
 int running = 1;
@@ -295,6 +314,41 @@ handle_keyboard_event()
 }
 
 
+void
+pointer_enter(void *data, struct wl_pointer *pointer, uint32_t serial, struct wl_surface *surface, wl_fixed_t x, wl_fixed_t y)
+{
+	fprintf(stderr, "pointer enter: (%i, %i)\n", x, y);
+}
+
+
+void
+pointer_leave(void *data, struct wl_pointer *pointer, uint32_t serial, struct wl_surface *surface)
+{
+	fprintf(stderr, "pointer leave\n");
+}
+
+
+void
+pointer_motion(void *data, struct wl_pointer *pointer, uint32_t time, wl_fixed_t x, wl_fixed_t y)
+{
+	fprintf(stderr, "pointer motion: (%i, %i)\n", x, y);
+}
+
+
+void
+pointer_button(void *data, struct wl_pointer *pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t state)
+{
+	fprintf(stderr, "pointer button: (b: %i, s: %i)\n", button, state);
+}
+
+
+void
+pointer_axis(void *data, struct wl_pointer *pointer, uint32_t time, uint32_t axis, wl_fixed_t value)
+{
+	fprintf(stderr, "pointer axis: (a: %i, v: %i)\n", axis, value);
+}
+
+
 void
 setup()
 {
@@ -308,6 +362,9 @@ setup()
 	xdg_wm_base_add_listener(client.wm_base, &wm_base_listener, &client);
 	wl_display_roundtrip(client.display);
 
+	client.pointer.pointer = wl_seat_get_pointer(client.seat);
+	wl_pointer_add_listener(client.pointer.pointer, &pointer_listener, &client);
+
 	win.surface.wl = wl_compositor_create_surface(client.compositor);
 	win.surface.xdg = xdg_wm_base_get_xdg_surface(client.wm_base, win.surface.wl);
 	xdg_surface_add_listener(win.surface.xdg, &surface_listener, &win);
-- 
cgit v1.2.3-70-g09d2