Implement tablet pads

This commit is contained in:
Drew DeVault 2017-06-19 14:49:07 -04:00
parent e9609e9adf
commit ecb04afcad
11 changed files with 268 additions and 13 deletions

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@ -20,6 +20,7 @@ add_library(wlr-backend
libinput/pointer.c libinput/pointer.c
libinput/touch.c libinput/touch.c
libinput/tablet_tool.c libinput/tablet_tool.c
libinput/tablet_pad.c
multi/backend.c multi/backend.c
backend.c backend.c

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@ -91,7 +91,10 @@ static void handle_device_added(struct wlr_backend_state *state,
wl_signal_emit(&state->backend->events.input_add, wlr_device); wl_signal_emit(&state->backend->events.input_add, wlr_device);
} }
if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_TABLET_PAD)) { if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_TABLET_PAD)) {
// TODO struct wlr_input_device *wlr_device = allocate_device(state,
device, devices, WLR_INPUT_DEVICE_TABLET_PAD);
wlr_device->tablet_pad = wlr_libinput_tablet_pad_create(device);
wl_signal_emit(&state->backend->events.input_add, wlr_device);
} }
if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_GESTURE)) { if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_GESTURE)) {
// TODO // TODO
@ -169,6 +172,15 @@ void wlr_libinput_event(struct wlr_backend_state *state,
case LIBINPUT_EVENT_TABLET_TOOL_BUTTON: case LIBINPUT_EVENT_TABLET_TOOL_BUTTON:
handle_tablet_tool_button(event, device); handle_tablet_tool_button(event, device);
break; break;
case LIBINPUT_EVENT_TABLET_PAD_BUTTON:
handle_tablet_pad_button(event, device);
break;
case LIBINPUT_EVENT_TABLET_PAD_RING:
handle_tablet_pad_ring(event, device);
break;
case LIBINPUT_EVENT_TABLET_PAD_STRIP:
handle_tablet_pad_strip(event, device);
break;
default: default:
wlr_log(L_DEBUG, "Unknown libinput event %d", event_type); wlr_log(L_DEBUG, "Unknown libinput event %d", event_type);
break; break;

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@ -0,0 +1,95 @@
#include <stdlib.h>
#include <assert.h>
#include <libinput.h>
#include <wlr/session.h>
#include <wlr/types.h>
#include <wlr/common/list.h>
#include "backend/libinput.h"
#include "common/log.h"
#include "types.h"
struct wlr_tablet_pad *wlr_libinput_tablet_pad_create(
struct libinput_device *device) {
assert(device);
return wlr_tablet_pad_create(NULL, NULL);
}
void handle_tablet_pad_button(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_PAD, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a tablet pad event for a device with no tablet pad?");
return;
}
struct libinput_event_tablet_pad *pevent =
libinput_event_get_tablet_pad_event(event);
struct wlr_tablet_pad_button *wlr_event =
calloc(1, sizeof(struct wlr_tablet_pad_button));
wlr_event->time_sec = libinput_event_tablet_pad_get_time(pevent);
wlr_event->time_usec = libinput_event_tablet_pad_get_time_usec(pevent);
wlr_event->button = libinput_event_tablet_pad_get_button_number(pevent);
switch (libinput_event_tablet_pad_get_button_state(pevent)) {
case LIBINPUT_BUTTON_STATE_PRESSED:
wlr_event->state = WLR_BUTTON_PRESSED;
break;
case LIBINPUT_BUTTON_STATE_RELEASED:
wlr_event->state = WLR_BUTTON_RELEASED;
break;
}
wl_signal_emit(&dev->tablet_pad->events.button, wlr_event);
}
void handle_tablet_pad_ring(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_PAD, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a tablet pad event for a device with no tablet pad?");
return;
}
struct libinput_event_tablet_pad *pevent =
libinput_event_get_tablet_pad_event(event);
struct wlr_tablet_pad_ring *wlr_event =
calloc(1, sizeof(struct wlr_tablet_pad_ring));
wlr_event->time_sec = libinput_event_tablet_pad_get_time(pevent);
wlr_event->time_usec = libinput_event_tablet_pad_get_time_usec(pevent);
wlr_event->ring = libinput_event_tablet_pad_get_ring_number(pevent);
wlr_event->position = libinput_event_tablet_pad_get_ring_position(pevent);
switch (libinput_event_tablet_pad_get_ring_source(pevent)) {
case LIBINPUT_TABLET_PAD_RING_SOURCE_UNKNOWN:
wlr_event->source = WLR_TABLET_PAD_RING_SOURCE_UNKNOWN;
break;
case LIBINPUT_TABLET_PAD_RING_SOURCE_FINGER:
wlr_event->source = WLR_TABLET_PAD_RING_SOURCE_FINGER;
break;
}
wl_signal_emit(&dev->tablet_pad->events.ring, wlr_event);
}
void handle_tablet_pad_strip(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_PAD, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a tablet pad event for a device with no tablet pad?");
return;
}
struct libinput_event_tablet_pad *pevent =
libinput_event_get_tablet_pad_event(event);
struct wlr_tablet_pad_strip *wlr_event =
calloc(1, sizeof(struct wlr_tablet_pad_strip));
wlr_event->time_sec = libinput_event_tablet_pad_get_time(pevent);
wlr_event->time_usec = libinput_event_tablet_pad_get_time_usec(pevent);
wlr_event->strip = libinput_event_tablet_pad_get_strip_number(pevent);
wlr_event->position = libinput_event_tablet_pad_get_strip_position(pevent);
switch (libinput_event_tablet_pad_get_strip_source(pevent)) {
case LIBINPUT_TABLET_PAD_STRIP_SOURCE_UNKNOWN:
wlr_event->source = WLR_TABLET_PAD_STRIP_SOURCE_UNKNOWN;
break;
case LIBINPUT_TABLET_PAD_STRIP_SOURCE_FINGER:
wlr_event->source = WLR_TABLET_PAD_STRIP_SOURCE_FINGER;
break;
}
wl_signal_emit(&dev->tablet_pad->events.strip, wlr_event);
}

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@ -211,6 +211,25 @@ static void tablet_tool_add(struct wlr_input_device *device,
wl_list_insert(&state->tablet_tools, &tstate->link); wl_list_insert(&state->tablet_tools, &tstate->link);
} }
static void tablet_pad_button_notify(struct wl_listener *listener, void *data) {
struct wlr_tablet_pad_button *event = data;
struct tablet_pad_state *pstate = wl_container_of(listener, pstate, button);
if (pstate->compositor->pad_button_cb) {
pstate->compositor->pad_button_cb(pstate, event->button, event->state);
}
}
static void tablet_pad_add(struct wlr_input_device *device,
struct compositor_state *state) {
struct tablet_pad_state *pstate = calloc(sizeof(struct tablet_pad_state), 1);
pstate->device = device;
pstate->compositor = state;
wl_list_init(&pstate->button.link);
pstate->button.notify = tablet_pad_button_notify;
wl_signal_add(&device->tablet_pad->events.button, &pstate->button);
wl_list_insert(&state->tablet_pads, &pstate->link);
}
static void input_add_notify(struct wl_listener *listener, void *data) { static void input_add_notify(struct wl_listener *listener, void *data) {
struct wlr_input_device *device = data; struct wlr_input_device *device = data;
struct compositor_state *state = wl_container_of(listener, state, input_add); struct compositor_state *state = wl_container_of(listener, state, input_add);
@ -226,6 +245,10 @@ static void input_add_notify(struct wl_listener *listener, void *data) {
break; break;
case WLR_INPUT_DEVICE_TABLET_TOOL: case WLR_INPUT_DEVICE_TABLET_TOOL:
tablet_tool_add(device, state); tablet_tool_add(device, state);
break;
case WLR_INPUT_DEVICE_TABLET_PAD:
tablet_pad_add(device, state);
break;
default: default:
break; break;
} }
@ -391,6 +414,7 @@ void compositor_init(struct compositor_state *state) {
wl_list_init(&state->pointers); wl_list_init(&state->pointers);
wl_list_init(&state->touch); wl_list_init(&state->touch);
wl_list_init(&state->tablet_tools); wl_list_init(&state->tablet_tools);
wl_list_init(&state->tablet_pads);
wl_list_init(&state->input_add.link); wl_list_init(&state->input_add.link);
state->input_add.notify = input_add_notify; state->input_add.notify = input_add_notify;
wl_list_init(&state->input_remove.link); wl_list_init(&state->input_remove.link);

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@ -61,6 +61,14 @@ struct tablet_tool_state {
void *data; void *data;
}; };
struct tablet_pad_state {
struct compositor_state *compositor;
struct wlr_input_device *device;
struct wl_listener button;
struct wl_list link;
void *data;
};
struct compositor_state { struct compositor_state {
void (*output_add_cb)(struct output_state *s); void (*output_add_cb)(struct output_state *s);
void (*keyboard_add_cb)(struct keyboard_state *s); void (*keyboard_add_cb)(struct keyboard_state *s);
@ -91,6 +99,8 @@ struct compositor_state {
enum wlr_tablet_tool_tip_state state); enum wlr_tablet_tool_tip_state state);
void (*tool_button_cb)(struct tablet_tool_state *s, void (*tool_button_cb)(struct tablet_tool_state *s,
uint32_t button, enum wlr_button_state state); uint32_t button, enum wlr_button_state state);
void (*pad_button_cb)(struct tablet_pad_state *s,
uint32_t button, enum wlr_button_state state);
struct wl_display *display; struct wl_display *display;
struct wl_event_loop *event_loop; struct wl_event_loop *event_loop;
@ -101,6 +111,7 @@ struct compositor_state {
struct wl_list pointers; struct wl_list pointers;
struct wl_list touch; struct wl_list touch;
struct wl_list tablet_tools; struct wl_list tablet_tools;
struct wl_list tablet_pads;
struct wl_listener input_add; struct wl_listener input_add;
struct wl_listener input_remove; struct wl_listener input_remove;

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@ -21,13 +21,14 @@
struct sample_state { struct sample_state {
struct wlr_renderer *renderer; struct wlr_renderer *renderer;
bool proximity, tap; bool proximity, tap, button;
double distance; double distance;
double pressure; double pressure;
double x_mm, y_mm; double x_mm, y_mm;
double width_mm, height_mm; double width_mm, height_mm;
struct wl_list link; struct wl_list link;
float tool_color[4]; float tool_color[4];
float pad_color[4];
}; };
static void handle_output_frame(struct output_state *output, struct timespec *ts) { static void handle_output_frame(struct output_state *output, struct timespec *ts) {
@ -41,11 +42,10 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
wlr_renderer_begin(sample->renderer, wlr_output); wlr_renderer_begin(sample->renderer, wlr_output);
float matrix[16], view[16]; float matrix[16], view[16];
float pad_color[4] = { 0.75, 0.75, 0.75, 1.0 };
float distance = 0.8f * (1 - sample->distance); float distance = 0.8f * (1 - sample->distance);
float tool_color[4] = { distance, distance, distance, 1 }; float tool_color[4] = { distance, distance, distance, 1 };
for (size_t i = 0; i < 4; ++i) { for (size_t i = 0; sample->button && i < 4; ++i) {
tool_color[i] *= sample->tool_color[i]; tool_color[i] = sample->tool_color[i];
} }
float scale = 4; float scale = 4;
@ -57,7 +57,7 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
wlr_matrix_scale(&view, pad_width, pad_height, 1); wlr_matrix_scale(&view, pad_width, pad_height, 1);
wlr_matrix_mul(&matrix, &view, &view); wlr_matrix_mul(&matrix, &view, &view);
wlr_matrix_mul(&wlr_output->transform_matrix, &view, &matrix); wlr_matrix_mul(&wlr_output->transform_matrix, &view, &matrix);
wlr_render_colored_quad(sample->renderer, &pad_color, &matrix); wlr_render_colored_quad(sample->renderer, &sample->pad_color, &matrix);
if (sample->proximity) { if (sample->proximity) {
wlr_matrix_translate(&matrix, wlr_matrix_translate(&matrix,
@ -110,12 +110,31 @@ static void handle_tool_button(struct tablet_tool_state *tstate,
uint32_t button, enum wlr_button_state state) { uint32_t button, enum wlr_button_state state) {
struct sample_state *sample = tstate->compositor->data; struct sample_state *sample = tstate->compositor->data;
if (state == WLR_BUTTON_RELEASED) { if (state == WLR_BUTTON_RELEASED) {
float default_color[4] = { 1, 1, 1, 1 }; sample->button = false;
memcpy(sample->tool_color, default_color, 4); } else {
sample->button = true;
for (size_t i = 0; i < 3; ++i) {
if (button % 3 == i) {
sample->tool_color[i] = 0;
} else {
sample->tool_color[i] = 1;
}
}
}
}
static void handle_pad_button(struct tablet_pad_state *pstate,
uint32_t button, enum wlr_button_state state) {
struct sample_state *sample = pstate->compositor->data;
float default_color[4] = { 0.75, 0.75, 0.75, 1.0 };
if (state == WLR_BUTTON_RELEASED) {
memcpy(sample->pad_color, default_color, sizeof(default_color));
} else { } else {
for (size_t i = 0; i < 3; ++i) { for (size_t i = 0; i < 3; ++i) {
if (button % 3 != i) { if (button % 3 == i) {
sample->tool_color[button % 3] = 0; sample->pad_color[i] = 0;
} else {
sample->pad_color[i] = 1;
} }
} }
} }
@ -123,7 +142,8 @@ static void handle_tool_button(struct tablet_tool_state *tstate,
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
struct sample_state state = { struct sample_state state = {
.tool_color = { 1, 1, 1, 1 } .tool_color = { 1, 1, 1, 1 },
.pad_color = { 0.75, 0.75, 0.75, 1.0 }
}; };
struct compositor_state compositor; struct compositor_state compositor;
@ -133,6 +153,7 @@ int main(int argc, char *argv[]) {
compositor.tool_axis_cb = handle_tool_axis; compositor.tool_axis_cb = handle_tool_axis;
compositor.tool_proximity_cb = handle_tool_proximity; compositor.tool_proximity_cb = handle_tool_proximity;
compositor.tool_button_cb = handle_tool_button; compositor.tool_button_cb = handle_tool_button;
compositor.pad_button_cb = handle_pad_button;
state.renderer = wlr_gles3_renderer_init(); state.renderer = wlr_gles3_renderer_init();

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@ -68,4 +68,13 @@ void handle_tablet_tool_tip(struct libinput_event *event,
void handle_tablet_tool_button(struct libinput_event *event, void handle_tablet_tool_button(struct libinput_event *event,
struct libinput_device *device); struct libinput_device *device);
struct wlr_tablet_pad *wlr_libinput_tablet_pad_create(
struct libinput_device *device);
void handle_tablet_pad_button(struct libinput_event *event,
struct libinput_device *device);
void handle_tablet_pad_ring(struct libinput_event *event,
struct libinput_device *device);
void handle_tablet_pad_strip(struct libinput_event *event,
struct libinput_device *device);
#endif #endif

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@ -53,6 +53,14 @@ struct wlr_tablet_tool *wlr_tablet_tool_create(struct wlr_tablet_tool_impl *impl
struct wlr_tablet_tool_state *state); struct wlr_tablet_tool_state *state);
void wlr_tablet_tool_destroy(struct wlr_tablet_tool *tool); void wlr_tablet_tool_destroy(struct wlr_tablet_tool *tool);
struct wlr_tablet_pad_impl {
void (*destroy)(struct wlr_tablet_pad_state *pad);
};
struct wlr_tablet_pad *wlr_tablet_pad_create(struct wlr_tablet_pad_impl *impl,
struct wlr_tablet_pad_state *state);
void wlr_tablet_pad_destroy(struct wlr_tablet_pad *pad);
struct wlr_input_device_impl { struct wlr_input_device_impl {
void (*destroy)(struct wlr_input_device_state *state); void (*destroy)(struct wlr_input_device_state *state);
}; };

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@ -254,8 +254,55 @@ struct wlr_tablet_tool_button {
enum wlr_button_state state; enum wlr_button_state state;
}; };
// TODO: tablet pad // NOTE: the wlr tablet pad implementation does not currently support tablets
// TODO: switch // with more than one mode. I don't own any such hardware so I cannot test it
// and it is too complicated to make a meaningful implementation of blindly.
struct wlr_tablet_pad_impl;
struct wlr_tablet_pad_state;
struct wlr_tablet_pad {
struct wlr_tablet_pad_impl *impl;
struct wlr_tablet_pad_state *state;
struct {
struct wl_signal button;
struct wl_signal ring;
struct wl_signal strip;
} events;
};
struct wlr_tablet_pad_button {
uint32_t time_sec;
uint64_t time_usec;
uint32_t button;
enum wlr_button_state state;
};
enum wlr_tablet_pad_ring_source {
WLR_TABLET_PAD_RING_SOURCE_UNKNOWN,
WLR_TABLET_PAD_RING_SOURCE_FINGER,
};
struct wlr_tablet_pad_ring {
uint32_t time_sec;
uint64_t time_usec;
enum wlr_tablet_pad_ring_source source;
uint32_t ring;
double position;
};
enum wlr_tablet_pad_strip_source {
WLR_TABLET_PAD_STRIP_SOURCE_UNKNOWN,
WLR_TABLET_PAD_STRIP_SOURCE_FINGER,
};
struct wlr_tablet_pad_strip {
uint32_t time_sec;
uint64_t time_usec;
enum wlr_tablet_pad_strip_source source;
uint32_t strip;
double position;
};
enum wlr_input_device_type { enum wlr_input_device_type {
WLR_INPUT_DEVICE_KEYBOARD, WLR_INPUT_DEVICE_KEYBOARD,
@ -284,6 +331,7 @@ struct wlr_input_device {
struct wlr_pointer *pointer; struct wlr_pointer *pointer;
struct wlr_touch *touch; struct wlr_touch *touch;
struct wlr_tablet_tool *tablet_tool; struct wlr_tablet_tool *tablet_tool;
struct wlr_tablet_pad *tablet_pad;
}; };
}; };

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@ -10,6 +10,7 @@ add_library(wlr-types
wlr_pointer.c wlr_pointer.c
wlr_touch.c wlr_touch.c
wlr_tablet_tool.c wlr_tablet_tool.c
wlr_tablet_pad.c
) )
target_link_libraries(wlr-types target_link_libraries(wlr-types

25
types/wlr_tablet_pad.c Normal file
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@ -0,0 +1,25 @@
#include <stdlib.h>
#include <string.h>
#include <wayland-server.h>
#include <wlr/types.h>
#include <wlr/common/list.h>
#include "types.h"
struct wlr_tablet_pad *wlr_tablet_pad_create(struct wlr_tablet_pad_impl *impl,
struct wlr_tablet_pad_state *state) {
struct wlr_tablet_pad *pad = calloc(1, sizeof(struct wlr_tablet_pad));
pad->impl = impl;
pad->state = state;
wl_signal_init(&pad->events.button);
wl_signal_init(&pad->events.ring);
wl_signal_init(&pad->events.strip);
return pad;
}
void wlr_tablet_pad_destroy(struct wlr_tablet_pad *pad) {
if (!pad) return;
if (pad->impl) {
pad->impl->destroy(pad->state);
}
free(pad);
}