From 68e408d22646c4d2a093029a907341d2943c5866 Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Thu, 13 Apr 2023 17:03:17 +0200
Subject: set cursor position to "text"

---
 config.mk |  2 +-
 swt.c     | 23 +++++++++++++++++++++++
 wayland.h |  6 ++++++
 3 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/config.mk b/config.mk
index f92717c..07f35f0 100644
--- a/config.mk
+++ b/config.mk
@@ -4,5 +4,5 @@ PREFIX = /usr/local
 
 XDG_SHELL_CLIENT_PROTOCOL = /usr/share/wayland-protocols/stable/xdg-shell/xdg-shell.xml
 CFLAGS = -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/sysprof-4 -pthread -DVERSION=\"${VERSION}\"  -D_XOPEN_SOURCE=600
-LIBS = -lfreetype -lwayland-client -lrt -lxkbcommon -lm -lgrapheme
+LIBS = -lfreetype -lwayland-client -lwayland-cursor -lrt -lxkbcommon -lm -lgrapheme
 CC=cc
diff --git a/swt.c b/swt.c
index c05f997..e50fa04 100644
--- a/swt.c
+++ b/swt.c
@@ -267,6 +267,19 @@ void wdrawline(Line line, int x1, int y1, int x2) {
 				win.fontcache->box.height,
 				colors[line[x].bg]
 		);
+
+		if (line[x].mode & ATTR_UNDERLINE) {
+			fprintf(stderr, "DRAWING %c\n", line[x].u);
+			draw_rect(
+					win.canvas,
+					borderpx + x * win.fontcache->box.width,
+					borderpx + (y1 + 1) * win.fontcache->box.height - 1,
+					win.fontcache->box.width - 2,
+					1,
+					colors[line[x].fg]
+			);
+		}
+
 		draw_char(
 				win.canvas,
 				win.fontcache,
@@ -639,6 +652,7 @@ 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)
 {
+	wl_pointer_set_cursor(client.pointer.pointer, serial, client.pointer.surface, client.pointer.image->hotspot_x, client.pointer.image->hotspot_y);
 }
 
 
@@ -651,6 +665,7 @@ pointer_leave(void *data, struct wl_pointer *pointer, uint32_t serial, struct wl
 void
 pointer_motion(void *data, struct wl_pointer *pointer, uint32_t time, wl_fixed_t x, wl_fixed_t y)
 {
+	wl_surface_commit(client.pointer.surface);
 }
 
 
@@ -692,6 +707,14 @@ setup()
 	xdg_toplevel_add_listener(win.surface.toplevel, &toplevel_listener, &win);
 	xdg_toplevel_set_title(win.surface.toplevel, "swt");
 	wl_surface_commit(win.surface.wl);
+
+	client.pointer.theme = wl_cursor_theme_load(0, 24, client.shm);
+	client.pointer.cursor = wl_cursor_theme_get_cursor(client.pointer.theme, "text");
+	client.pointer.image = client.pointer.cursor->images[0];
+	client.pointer.buffer = wl_cursor_image_get_buffer(client.pointer.image);
+	client.pointer.surface = wl_compositor_create_surface(client.compositor);
+	wl_surface_attach(client.pointer.surface, client.pointer.buffer, 0, 0);
+	wl_surface_commit(client.pointer.surface);
 }
 
 
diff --git a/wayland.h b/wayland.h
index 7cbbc90..d5557a9 100644
--- a/wayland.h
+++ b/wayland.h
@@ -4,6 +4,7 @@
 #include <xkbcommon/xkbcommon.h>
 #include <xkbcommon/xkbcommon-keysyms.h>
 #include <wayland-client.h>
+#include <wayland-cursor.h>
 #include "xdg-shell-client-protocol.h"
 
 typedef enum {
@@ -51,6 +52,11 @@ typedef struct {
 	} kb;
 	struct {
 		struct wl_pointer *pointer;
+		struct wl_cursor *cursor;
+		struct wl_cursor_theme *theme;
+		struct wl_buffer *buffer;
+		struct wl_surface *surface;
+		struct wl_cursor_image *image;
 		struct {
 			uint32_t x;
 			uint32_t y;
-- 
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