From 4f1e557d3d26ee8359750dce8f370d404513a1ca Mon Sep 17 00:00:00 2001
From: will <william.calliari@gmail.com>
Date: Sat, 17 Oct 2020 13:52:53 +0200
Subject: Added basic tap-to-click for touchpad users

---
 Makefile     | 2 +-
 config.def.h | 4 ++++
 dwl.c        | 6 ++++++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index abbbe39..bf0b957 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ CFLAGS += -I. -DWLR_USE_UNSTABLE -std=c99 -Werror=declaration-after-statement
 WAYLAND_PROTOCOLS=$(shell pkg-config --variable=pkgdatadir wayland-protocols)
 WAYLAND_SCANNER=$(shell pkg-config --variable=wayland_scanner wayland-scanner)
 
-PKGS = wlroots wayland-server xcb xkbcommon
+PKGS = wlroots wayland-server xcb xkbcommon libinput
 CFLAGS += $(foreach p,$(PKGS),$(shell pkg-config --cflags $(p)))
 LDLIBS += $(foreach p,$(PKGS),$(shell pkg-config --libs $(p)))
 
diff --git a/config.def.h b/config.def.h
index 53021cf..c1ad7d6 100644
--- a/config.def.h
+++ b/config.def.h
@@ -41,6 +41,10 @@ static const struct xkb_rule_names xkb_rules = {
 	.options = "ctrl:nocaps",
 	*/
 };
+
+/* Trackpad */
+int tap_to_click = 1;
+
 static const int repeat_rate = 25;
 static const int repeat_delay = 600;
 
diff --git a/dwl.c b/dwl.c
index 2257222..2907c5f 100644
--- a/dwl.c
+++ b/dwl.c
@@ -10,6 +10,7 @@
 #include <sys/wait.h>
 #include <time.h>
 #include <unistd.h>
+#include <libinput.h>
 #include <wayland-server-core.h>
 #include <wlr/backend.h>
 #include <wlr/render/wlr_renderer.h>
@@ -38,6 +39,7 @@
 #include <wlr/types/wlr_xdg_decoration_v1.h>
 #include <wlr/types/wlr_xdg_output_v1.h>
 #include <wlr/types/wlr_xdg_shell.h>
+#include <wlr/backend/libinput.h>
 #include <wlr/util/log.h>
 #include <xkbcommon/xkbcommon.h>
 #ifdef XWAYLAND
@@ -970,6 +972,10 @@ createlayersurface(struct wl_listener *listener, void *data)
 void
 createpointer(struct wlr_input_device *device)
 {
+	struct libinput_device *libinput_device =  (struct libinput_device*)
+			wlr_libinput_get_device_handle(device);
+	if (tap_to_click && libinput_device_config_tap_get_finger_count(libinput_device))
+		libinput_device_config_tap_set_enabled(libinput_device, LIBINPUT_CONFIG_TAP_ENABLED);
 	/* We don't do anything special with pointers. All of our pointer handling
 	 * is proxied through wlr_cursor. On another compositor, you might take this
 	 * opportunity to do libinput configuration on the device to set
-- 
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