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tablet-v2 tablet_pad grab implementation

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Implement the basic logic for tablet-v2 tablet_pad's grabs. And plug in
the default grab.
Features like "holding" the focus should be implemented via grabs, like
they are for pointer and keyboard.
This commit is contained in:
Markus Ongyerth 2018-07-19 11:35:00 +02:00
parent 2a58d4467f
commit 454f2a84a8
3 changed files with 196 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

130
types/tablet_v2/wlr_tablet_v2_pad.c
View file

@ -11,6 +11,8 @@
#include <wlr/types/wlr_tablet_v2.h>
#include <wlr/util/log.h>
static struct wlr_tablet_pad_v2_grab_interface default_pad_interface;
struct tablet_pad_auxiliary_user_data {
struct wlr_tablet_pad_client_v2 *pad;
size_t index;
@ -366,6 +368,9 @@ struct wlr_tablet_v2_tablet_pad *wlr_tablet_pad_create(
if (!pad) {
return NULL;
}
pad->default_grab.interface = &default_pad_interface;
pad->default_grab.pad = pad;
pad->grab = &pad->default_grab;
pad->group_count = wl_list_length(&wlr_pad->groups);
pad->groups = calloc(pad->group_count, sizeof(int));
@ -564,3 +569,128 @@ bool wlr_surface_accepts_tablet_v2(struct wlr_tablet_v2_tablet *tablet,
return false;
}
uint32_t wlr_tablet_v2_tablet_pad_notify_enter(
struct wlr_tablet_v2_tablet_pad *pad,
struct wlr_tablet_v2_tablet *tablet,
struct wlr_surface *surface) {
if (pad->grab && pad->grab->interface->enter) {
return pad->grab->interface->enter(pad->grab, tablet, surface);
}
return 0;
}
void wlr_tablet_v2_tablet_pad_notify_button(
struct wlr_tablet_v2_tablet_pad *pad, size_t button,
uint32_t time, enum zwp_tablet_pad_v2_button_state state) {
if (pad->grab && pad->grab->interface->button) {
pad->grab->interface->button(pad->grab, button, time, state);
}
}
void wlr_tablet_v2_tablet_pad_notify_strip(
struct wlr_tablet_v2_tablet_pad *pad,
uint32_t strip, double position, bool finger, uint32_t time) {
if (pad->grab && pad->grab->interface->strip) {
pad->grab->interface->strip(pad->grab, strip, position, finger, time);
}
}
void wlr_tablet_v2_tablet_pad_notify_ring(
struct wlr_tablet_v2_tablet_pad *pad,
uint32_t ring, double position, bool finger, uint32_t time) {
if (pad->grab && pad->grab->interface->ring) {
pad->grab->interface->ring(pad->grab, ring, position, finger, time);
}
}
uint32_t wlr_tablet_v2_tablet_pad_notify_leave(
struct wlr_tablet_v2_tablet_pad *pad, struct wlr_surface *surface) {
if (pad->grab && pad->grab->interface->leave) {
return pad->grab->interface->leave(pad->grab, surface);
}
return 0;
}
uint32_t wlr_tablet_v2_tablet_pad_notify_mode(
struct wlr_tablet_v2_tablet_pad *pad,
size_t group, uint32_t mode, uint32_t time) {
if (pad->grab && pad->grab->interface->mode) {
return pad->grab->interface->mode(pad->grab, group, mode, time);
}
return 0;
}
void wlr_tablet_v2_start_grab(struct wlr_tablet_v2_tablet_pad *pad,
struct wlr_tablet_pad_v2_grab *grab) {
if (grab != &pad->default_grab) {
struct wlr_tablet_pad_v2_grab *prev = pad->grab;
grab->pad = pad;
pad->grab = grab;
if (prev) {
if (prev->interface->cancel) {
prev->interface->cancel(prev);
}
}
}
}
void wlr_tablet_v2_end_grab(struct wlr_tablet_v2_tablet_pad *pad) {
struct wlr_tablet_pad_v2_grab *grab = pad->grab;
if (grab && grab != &pad->default_grab) {
pad->grab = &pad->default_grab;
if (grab->interface->cancel) {
grab->interface->cancel(grab);
}
}
}
static uint32_t default_pad_enter(
struct wlr_tablet_pad_v2_grab *grab,
struct wlr_tablet_v2_tablet *tablet,
struct wlr_surface *surface) {
return wlr_send_tablet_v2_tablet_pad_enter(grab->pad, tablet, surface);
}
static void default_pad_button(struct wlr_tablet_pad_v2_grab *grab,size_t button,
uint32_t time, enum zwp_tablet_pad_v2_button_state state) {
wlr_send_tablet_v2_tablet_pad_button(grab->pad, button, time, state);
}
static void default_pad_strip(struct wlr_tablet_pad_v2_grab *grab,
uint32_t strip, double position, bool finger, uint32_t time) {
wlr_send_tablet_v2_tablet_pad_strip(grab->pad, strip, position, finger, time);
}
static void default_pad_ring(struct wlr_tablet_pad_v2_grab *grab,
uint32_t ring, double position, bool finger, uint32_t time) {
wlr_send_tablet_v2_tablet_pad_ring(grab->pad, ring, position, finger, time);
}
static uint32_t default_pad_leave(struct wlr_tablet_pad_v2_grab *grab,
struct wlr_surface *surface) {
return wlr_send_tablet_v2_tablet_pad_leave(grab->pad, surface);
}
static uint32_t default_pad_mode(struct wlr_tablet_pad_v2_grab *grab,
size_t group, uint32_t mode, uint32_t time) {
return wlr_send_tablet_v2_tablet_pad_mode(grab->pad, group, mode, time);
}
static void default_pad_cancel(struct wlr_tablet_pad_v2_grab *grab) {
// Do nothing, the default cancel can be ignored.
}
static struct wlr_tablet_pad_v2_grab_interface default_pad_interface = {
.enter = default_pad_enter,
.button = default_pad_button,
.strip = default_pad_strip,
.ring = default_pad_ring,
.leave = default_pad_leave,
.mode = default_pad_mode,
.cancel = default_pad_cancel,
};