mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2024-11-21 22:52:20 +00:00
Made tablet standalone
This commit is contained in:
Timidger
parent
c622a0c7fb
commit
7be5dfecc0
@ -1,4 +1,4 @@
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#define _POSIX_C_SOURCE 199309L
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#define _POSIX_C_SOURCE 200112L
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#define _XOPEN_SOURCE 500
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#include <GLES2/gl2.h>
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#include <math.h>
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@ -15,13 +15,14 @@
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/types/wlr_input_device.h>
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#include <wlr/types/wlr_tablet_pad.h>
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#include <wlr/types/wlr_tablet_tool.h>
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#include <wlr/util/log.h>
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#include <xkbcommon/xkbcommon.h>
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#include "support/shared.h"
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struct sample_state {
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struct wl_display *display;
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struct wlr_renderer *renderer;
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bool proximity, tap, button;
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double distance;
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@ -33,12 +34,55 @@ struct sample_state {
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struct wl_list link;
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float tool_color[4];
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float pad_color[4];
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struct timespec last_frame;
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struct wl_listener new_output;
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struct wl_listener new_input;
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struct wl_list tablet_tools;
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struct wl_list tablet_pads;
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};
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static void handle_output_frame(struct output_state *output, struct timespec *ts) {
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struct compositor_state *state = output->compositor;
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struct sample_state *sample = state->data;
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struct wlr_output *wlr_output = output->output;
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struct tablet_tool_state {
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struct sample_state *sample;
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struct wlr_input_device *device;
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struct wl_listener destroy;
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struct wl_listener axis;
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struct wl_listener proximity;
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struct wl_listener tip;
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struct wl_listener button;
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struct wl_list link;
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void *data;
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};
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struct tablet_pad_state {
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struct sample_state *sample;
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struct wlr_input_device *device;
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struct wl_listener destroy;
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struct wl_listener button;
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struct wl_listener ring;
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struct wl_list link;
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void *data;
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};
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struct sample_output {
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struct sample_state *sample;
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struct wlr_output *output;
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struct wl_listener frame;
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struct wl_listener destroy;
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};
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struct sample_keyboard {
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struct sample_state *sample;
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struct wlr_input_device *device;
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struct wl_listener key;
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struct wl_listener destroy;
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};
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static void output_frame_notify(struct wl_listener *listener, void *data) {
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struct sample_output *sample_output = wl_container_of(listener, sample_output, frame);
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struct sample_state *sample = sample_output->sample;
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struct wlr_output *wlr_output = sample_output->output;
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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int32_t width, height;
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wlr_output_effective_resolution(wlr_output, &width, &height);
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@ -87,11 +131,13 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
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wlr_renderer_end(sample->renderer);
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wlr_output_swap_buffers(wlr_output, NULL, NULL);
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sample->last_frame = now;
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}
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static void handle_tool_axis(struct tablet_tool_state *tstate,
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struct wlr_event_tablet_tool_axis *event) {
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struct sample_state *sample = tstate->compositor->data;
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static void tablet_tool_axis_notify(struct wl_listener *listener, void *data) {
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struct tablet_tool_state *tstate = wl_container_of(listener, tstate, axis);
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struct wlr_event_tablet_tool_axis *event = data;
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struct sample_state *sample = tstate->sample;
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if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X)) {
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sample->x = event->x;
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}
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@ -112,21 +158,23 @@ static void handle_tool_axis(struct tablet_tool_state *tstate,
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}
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}
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static void handle_tool_proximity(struct tablet_tool_state *tstate,
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enum wlr_tablet_tool_proximity_state state) {
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struct sample_state *sample = tstate->compositor->data;
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sample->proximity = state == WLR_TABLET_TOOL_PROXIMITY_IN;
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static void tablet_tool_proximity_notify(struct wl_listener *listener, void *data) {
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struct tablet_tool_state *tstate = wl_container_of(listener, tstate, proximity);
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struct wlr_event_tablet_tool_proximity *event = data;
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struct sample_state *sample = tstate->sample;
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sample->proximity = event->state == WLR_TABLET_TOOL_PROXIMITY_IN;
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}
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static void handle_tool_button(struct tablet_tool_state *tstate,
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uint32_t button, enum wlr_button_state state) {
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struct sample_state *sample = tstate->compositor->data;
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if (state == WLR_BUTTON_RELEASED) {
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static void tablet_tool_button_notify(struct wl_listener *listener, void *data) {
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struct tablet_tool_state *tstate = wl_container_of(listener, tstate, button);
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struct wlr_event_tablet_tool_button *event = data;
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struct sample_state *sample = tstate->sample;
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if (event->state == WLR_BUTTON_RELEASED) {
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sample->button = false;
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} else {
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sample->button = true;
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for (size_t i = 0; i < 3; ++i) {
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if (button % 3 == i) {
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if (event->button % 3 == i) {
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sample->tool_color[i] = 0;
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} else {
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sample->tool_color[i] = 1;
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@ -135,15 +183,16 @@ static void handle_tool_button(struct tablet_tool_state *tstate,
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}
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}
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static void handle_pad_button(struct tablet_pad_state *pstate,
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uint32_t button, enum wlr_button_state state) {
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struct sample_state *sample = pstate->compositor->data;
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static void tablet_pad_button_notify(struct wl_listener *listener, void *data) {
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struct tablet_pad_state *pstate = wl_container_of(listener, pstate, button);
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struct wlr_event_tablet_pad_button *event = data;
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struct sample_state *sample = pstate->sample;
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float default_color[4] = { 0.5, 0.5, 0.5, 1.0 };
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if (state == WLR_BUTTON_RELEASED) {
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if (event->state == WLR_BUTTON_RELEASED) {
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memcpy(sample->pad_color, default_color, sizeof(default_color));
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} else {
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for (size_t i = 0; i < 3; ++i) {
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if (button % 3 == i) {
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if (event->button % 3 == i) {
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sample->pad_color[i] = 0;
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} else {
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sample->pad_color[i] = 1;
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@ -152,56 +201,182 @@ static void handle_pad_button(struct tablet_pad_state *pstate,
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}
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}
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static void handle_pad_ring(struct tablet_pad_state *pstate,
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uint32_t ring, double position) {
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struct sample_state *sample = pstate->compositor->data;
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if (position != -1) {
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sample->ring = -(position * (M_PI / 180.0));
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static void tablet_pad_ring_notify(struct wl_listener *listener, void *data) {
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struct tablet_pad_state *pstate = wl_container_of(listener, pstate, ring);
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struct wlr_event_tablet_pad_ring *event = data;
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struct sample_state *sample = pstate->sample;
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if (event->position != -1) {
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sample->ring = -(event->position * (M_PI / 180.0));
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}
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}
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static void handle_input_add(struct compositor_state *cstate,
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struct wlr_input_device *inputdev) {
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struct sample_state *sample = cstate->data;
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if (inputdev->type == WLR_INPUT_DEVICE_TABLET_TOOL) {
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sample->width_mm = inputdev->width_mm == 0 ?
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20 : inputdev->width_mm;
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sample->height_mm = inputdev->height_mm == 0 ?
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10 : inputdev->height_mm;
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static void tablet_tool_destroy_notify(struct wl_listener *listener, void *data) {
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struct tablet_tool_state *tstate = wl_container_of(listener, tstate, destroy);
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wl_list_remove(&tstate->link);
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wl_list_remove(&tstate->destroy.link);
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wl_list_remove(&tstate->axis.link);
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wl_list_remove(&tstate->proximity.link);
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wl_list_remove(&tstate->button.link);
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free(tstate);
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}
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static void tablet_pad_destroy_notify(struct wl_listener *listener, void *data) {
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struct tablet_pad_state *pstate = wl_container_of(listener, pstate, destroy);
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wl_list_remove(&pstate->link);
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wl_list_remove(&pstate->destroy.link);
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wl_list_remove(&pstate->ring.link);
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wl_list_remove(&pstate->button.link);
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free(pstate);
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}
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void output_remove_notify(struct wl_listener *listener, void *data) {
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struct sample_output *sample_output = wl_container_of(listener, sample_output, destroy);
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wl_list_remove(&sample_output->frame.link);
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wl_list_remove(&sample_output->destroy.link);
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free(sample_output);
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}
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void new_output_notify(struct wl_listener *listener, void *data) {
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struct wlr_output *output = data;
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struct sample_state *sample = wl_container_of(listener, sample, new_output);
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struct sample_output *sample_output = calloc(1, sizeof(struct sample_output));
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if (wl_list_length(&output->modes) > 0) {
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struct wlr_output_mode *mode = wl_container_of((&output->modes)->prev, mode, link);
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wlr_output_set_mode(output, mode);
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}
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sample_output->output = output;
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sample_output->sample = sample;
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wl_signal_add(&output->events.frame, &sample_output->frame);
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sample_output->frame.notify = output_frame_notify;
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wl_signal_add(&output->events.destroy, &sample_output->destroy);
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sample_output->destroy.notify = output_remove_notify;
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}
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void keyboard_key_notify(struct wl_listener *listener, void *data) {
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struct sample_keyboard *keyboard = wl_container_of(listener, keyboard, key);
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struct sample_state *sample = keyboard->sample;
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struct wlr_event_keyboard_key *event = data;
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uint32_t keycode = event->keycode + 8;
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const xkb_keysym_t *syms;
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int nsyms = xkb_state_key_get_syms(keyboard->device->keyboard->xkb_state,
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keycode, &syms);
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for (int i = 0; i < nsyms; i++) {
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xkb_keysym_t sym = syms[i];
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if (sym == XKB_KEY_Escape) {
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wl_display_terminate(sample->display);
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}
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}
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}
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void keyboard_destroy_notify(struct wl_listener *listener, void *data) {
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struct sample_keyboard *keyboard = wl_container_of(listener, keyboard, destroy);
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wl_list_remove(&keyboard->destroy.link);
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wl_list_remove(&keyboard->key.link);
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free(keyboard);
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}
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void new_input_notify(struct wl_listener *listener, void *data) {
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struct wlr_input_device *device = data;
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struct sample_state *sample = wl_container_of(listener, sample, new_input);
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struct sample_keyboard *keyboard;
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struct xkb_rule_names rules;
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struct xkb_context *context;
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struct tablet_tool_state *tstate;
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struct tablet_pad_state *pstate;
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switch (device->type) {
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case WLR_INPUT_DEVICE_KEYBOARD:
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keyboard = calloc(1, sizeof(struct sample_keyboard));
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keyboard->device = device;
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keyboard->sample = sample;
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wl_signal_add(&device->events.destroy, &keyboard->destroy);
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keyboard->destroy.notify = keyboard_destroy_notify;
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wl_signal_add(&device->keyboard->events.key, &keyboard->key);
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keyboard->key.notify = keyboard_key_notify;
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memset(&rules, 0, sizeof(rules));
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rules.rules = getenv("XKB_DEFAULT_RULES");
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rules.model = getenv("XKB_DEFAULT_MODEL");
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rules.layout = getenv("XKB_DEFAULT_LAYOUT");
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rules.variant = getenv("XKB_DEFAULT_VARIANT");
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rules.options = getenv("XKB_DEFAULT_OPTIONS");
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context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
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if (!context) {
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wlr_log(L_ERROR, "Failed to create XKB context");
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exit(1);
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}
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wlr_keyboard_set_keymap(device->keyboard, xkb_map_new_from_names(context,
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&rules, XKB_KEYMAP_COMPILE_NO_FLAGS));
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xkb_context_unref(context);
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break;
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case WLR_INPUT_DEVICE_TABLET_PAD:
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pstate = calloc(sizeof(struct tablet_pad_state), 1);
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pstate->device = device;
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pstate->sample = sample;
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pstate->destroy.notify = tablet_pad_destroy_notify;
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wl_signal_add(&device->events.destroy, &pstate->destroy);
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pstate->button.notify = tablet_pad_button_notify;
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wl_signal_add(&device->tablet_pad->events.button, &pstate->button);
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pstate->ring.notify = tablet_pad_ring_notify;
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wl_signal_add(&device->tablet_pad->events.ring, &pstate->ring);
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wl_list_insert(&sample->tablet_pads, &pstate->link);
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break;
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case WLR_INPUT_DEVICE_TABLET_TOOL:
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sample->width_mm = device->width_mm == 0 ?
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20 : device->width_mm;
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sample->height_mm = device->height_mm == 0 ?
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10 : device->height_mm;
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tstate = calloc(sizeof(struct tablet_tool_state), 1);
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tstate->device = device;
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tstate->sample = sample;
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tstate->destroy.notify = tablet_tool_destroy_notify;
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wl_signal_add(&device->events.destroy, &tstate->destroy);
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tstate->axis.notify = tablet_tool_axis_notify;
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wl_signal_add(&device->tablet_tool->events.axis, &tstate->axis);
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tstate->proximity.notify = tablet_tool_proximity_notify;
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wl_signal_add(&device->tablet_tool->events.proximity, &tstate->proximity);
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tstate->button.notify = tablet_tool_button_notify;
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wl_signal_add(&device->tablet_tool->events.button, &tstate->button);
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wl_list_insert(&sample->tablet_tools, &tstate->link);
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break;
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default:
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break;
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}
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}
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int main(int argc, char *argv[]) {
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wlr_log_init(L_DEBUG, NULL);
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struct wl_display *display = wl_display_create();
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struct sample_state state = {
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.display = display,
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.tool_color = { 1, 1, 1, 1 },
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.pad_color = { 0.5, 0.5, 0.5, 1.0 }
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};
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struct compositor_state compositor = {
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.data = &state,
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.output_frame_cb = handle_output_frame,
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.tool_axis_cb = handle_tool_axis,
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.tool_proximity_cb = handle_tool_proximity,
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.tool_button_cb = handle_tool_button,
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.pad_button_cb = handle_pad_button,
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.pad_ring_cb = handle_pad_ring,
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.input_add_cb = handle_input_add,
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0
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};
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compositor_init(&compositor);
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wl_list_init(&state.tablet_pads);
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wl_list_init(&state.tablet_tools);
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struct wlr_backend *wlr = wlr_backend_autocreate(display);
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if (!wlr) {
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exit(1);
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}
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state.renderer = wlr_backend_get_renderer(compositor.backend);
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wl_signal_add(&wlr->events.new_output, &state.new_output);
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state.new_output.notify = new_output_notify;
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wl_signal_add(&wlr->events.new_input, &state.new_input);
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state.new_input.notify = new_input_notify;
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clock_gettime(CLOCK_MONOTONIC, &state.last_frame);
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state.renderer = wlr_backend_get_renderer(wlr);
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if (!state.renderer) {
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wlr_log(L_ERROR, "Could not start compositor, OOM");
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exit(EXIT_FAILURE);
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}
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if (!wlr_backend_start(compositor.backend)) {
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if (!wlr_backend_start(wlr)) {
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wlr_log(L_ERROR, "Failed to start backend");
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wlr_backend_destroy(compositor.backend);
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wlr_backend_destroy(wlr);
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exit(1);
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}
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wl_display_run(compositor.display);
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wl_display_run(display);
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wlr_renderer_destroy(state.renderer);
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compositor_fini(&compositor);
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wl_display_destroy(display);
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}
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