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Add basic touch screen support

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This commit is contained in:
Unprex 2022-10-15 19:25:30 +02:00
parent 4eabf6f7eb
commit 2f8ecff14a
2 changed files with 66 additions and 0 deletions
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5
config.def.h
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@ -86,6 +86,11 @@ LIBINPUT_CONFIG_ACCEL_PROFILE_ADAPTIVE
static const enum libinput_config_accel_profile accel_profile = LIBINPUT_CONFIG_ACCEL_PROFILE_ADAPTIVE;
static const double accel_speed = 0.0;
/* Touch screen */
static const bool touch_enabled = true;
static const int32_t touch_finger = 0; /* multi-touch finger id */
static const uint32_t touch_button = BTN_LEFT;
/* If you want to use the windows key change this to WLR_MODIFIER_LOGO */
#define MODKEY WLR_MODIFIER_ALT
#define TAGKEYS(KEY,SKEY,TAG) \

61
dwl.c
View File

@ -39,6 +39,7 @@
#include <wlr/types/wlr_screencopy_v1.h>
#include <wlr/types/wlr_seat.h>
#include <wlr/types/wlr_server_decoration.h>
#include <wlr/types/wlr_touch.h>
#include <wlr/types/wlr_viewporter.h>
#include <wlr/types/wlr_virtual_keyboard_v1.h>
#include <wlr/types/wlr_xcursor_manager.h>
@ -284,6 +285,9 @@ static void togglefloating(const Arg *arg);
static void togglefullscreen(const Arg *arg);
static void toggletag(const Arg *arg);
static void toggleview(const Arg *arg);
static void touchdown(struct wl_listener *listener, void *data);
static void touchmotion(struct wl_listener *listener, void *data);
static void touchup(struct wl_listener *listener, void *data);
static void unmaplayersurfacenotify(struct wl_listener *listener, void *data);
static void unmapnotify(struct wl_listener *listener, void *data);
static void updatemons(struct wl_listener *listener, void *data);
@ -340,6 +344,9 @@ static struct wl_listener cursor_button = {.notify = buttonpress};
static struct wl_listener cursor_frame = {.notify = cursorframe};
static struct wl_listener cursor_motion = {.notify = motionrelative};
static struct wl_listener cursor_motion_absolute = {.notify = motionabsolute};
static struct wl_listener cursor_touch_down = {.notify = touchdown};
static struct wl_listener cursor_touch_motion = {.notify = touchmotion};
static struct wl_listener cursor_touch_up = {.notify = touchup};
static struct wl_listener drag_icon_destroy = {.notify = destroydragicon};
static struct wl_listener idle_inhibitor_create = {.notify = createidleinhibitor};
static struct wl_listener idle_inhibitor_destroy = {.notify = destroyidleinhibitor};
@ -1310,6 +1317,9 @@ inputdevice(struct wl_listener *listener, void *data)
case WLR_INPUT_DEVICE_POINTER:
createpointer(device);
break;
case WLR_INPUT_DEVICE_TOUCH:
createpointer(device);
break;
default:
/* TODO handle other input device types */
break;
@ -2188,6 +2198,13 @@ setup(void)
wl_signal_add(&cursor->events.axis, &cursor_axis);
wl_signal_add(&cursor->events.frame, &cursor_frame);
if (touch_enabled) {
wl_signal_add(&cursor->events.touch_down, &cursor_touch_down);
wl_signal_add(&cursor->events.touch_frame, &cursor_frame);
wl_signal_add(&cursor->events.touch_motion, &cursor_touch_motion);
wl_signal_add(&cursor->events.touch_up, &cursor_touch_up);
}
/*
* Configures a seat, which is a single "seat" at which a user sits and
* operates the computer. This conceptually includes up to one keyboard,
@ -2368,6 +2385,50 @@ toggleview(const Arg *arg)
printstatus();
}
void
touchdown(struct wl_listener *listener, void *data)
{
struct wlr_event_touch_down *event = data;
struct wlr_event_pointer_motion_absolute m = {
event->device, event->time_msec, event->x, event->y
};
struct wlr_event_pointer_button b = {
event->device, event->time_msec, touch_button, WLR_BUTTON_PRESSED
};
if (event->touch_id == touch_finger) {
motionabsolute(listener, &m);
buttonpress(listener, &b);
}
}
void
touchmotion(struct wl_listener *listener, void *data)
{
struct wlr_event_touch_down *event = data;
struct wlr_event_pointer_motion_absolute m = {
event->device, event->time_msec, event->x, event->y
};
if (event->touch_id == touch_finger)
motionabsolute(listener, &m);
}
void
touchup(struct wl_listener *listener, void *data)
{
struct wlr_event_touch_up *event = data;
struct wlr_event_pointer_button b = {
event->device, event->time_msec, touch_button, WLR_BUTTON_RELEASED
};
if (event->touch_id == touch_finger)
buttonpress(listener, &b);
}
void
unmaplayersurfacenotify(struct wl_listener *listener, void *data)
{