add touch events
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ac503a47a7
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ed126b0881
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@ -45,8 +45,27 @@ struct sample_state {
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struct wl_listener cursor_motion_absolute;
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struct wl_listener cursor_button;
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struct wl_listener cursor_axis;
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struct wl_listener touch_motion;
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struct wl_listener touch_up;
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struct wl_listener touch_down;
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struct wl_listener touch_cancel;
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list_t *touch_points;
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};
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struct touch_point {
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int32_t slot;
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double x, y;
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};
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static void warp_to_touch(struct sample_state *sample) {
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wlr_log(L_DEBUG, "TODO: warp to touch");
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for (size_t i = 0; i < sample->touch_points->length; ++i) {
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struct touch_point *point = sample->touch_points->items[i];
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wlr_log(L_DEBUG, "have point x=%f,y=%f", point->x, point->y);
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}
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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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@ -149,8 +168,10 @@ static void handle_input_add(struct compositor_state *state, struct
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struct sample_state *sample = state->data;
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// TODO handle other input devices
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if (device->type == WLR_INPUT_DEVICE_POINTER) {
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struct sample_input_device *s_device = calloc(1, sizeof(struct sample_input_device));
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if (device->type == WLR_INPUT_DEVICE_POINTER ||
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device->type == WLR_INPUT_DEVICE_TOUCH) {
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struct sample_input_device *s_device;
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s_device = calloc(1, sizeof(struct sample_input_device));
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s_device->device = device;
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wl_list_insert(&sample->devices, &s_device->link);
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@ -216,10 +237,60 @@ static void handle_cursor_axis(struct wl_listener *listener, void *data) {
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sizeof(sample->clear_color));
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}
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static void handle_touch_up(struct wl_listener *listener, void *data) {
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struct sample_state *sample = wl_container_of(listener, sample, touch_up);
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struct wlr_event_touch_up *event = data;
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for (size_t i = 0; i < sample->touch_points->length; ++i) {
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struct touch_point *point = sample->touch_points->items[i];
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if (point->slot == event->slot) {
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list_del(sample->touch_points, i);
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break;
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}
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}
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warp_to_touch(sample);
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}
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static void handle_touch_down(struct wl_listener *listener, void *data) {
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struct sample_state *sample = wl_container_of(listener, sample, touch_down);
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struct wlr_event_touch_down *event = data;
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struct touch_point *point = calloc(1, sizeof(struct touch_state));
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point->slot = event->slot;
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point->x = event->x_mm / event->width_mm;
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point->y = event->y_mm / event->height_mm;
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if (list_add(sample->touch_points, point) == -1) {
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free(point);
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}
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warp_to_touch(sample);
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}
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static void handle_touch_motion(struct wl_listener *listener, void *data) {
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struct sample_state *sample = wl_container_of(listener, sample, touch_motion);
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struct wlr_event_touch_motion *event = data;
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for (size_t i = 0; i < sample->touch_points->length; ++i) {
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struct touch_point *point = sample->touch_points->items[i];
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if (point->slot == event->slot) {
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point->x = event->x_mm / event->width_mm;
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point->y = event->y_mm / event->height_mm;
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break;
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}
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}
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warp_to_touch(sample);
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}
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static void handle_touch_cancel(struct wl_listener *listener, void *data) {
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//struct sample_state *sample = wl_container_of(listener, sample, touch_cancel);
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//struct wlr_event_touch_cancel *event = data;
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wlr_log(L_DEBUG, "TODO: touch cancel");
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}
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int main(int argc, char *argv[]) {
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struct sample_state state = {
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.default_color = { 0.25f, 0.25f, 0.25f, 1 },
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.clear_color = { 0.25f, 0.25f, 0.25f, 1 }
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.clear_color = { 0.25f, 0.25f, 0.25f, 1 },
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.touch_points = list_create(),
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};
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state.config = parse_args(argc, argv);
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@ -227,6 +298,7 @@ int main(int argc, char *argv[]) {
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wlr_cursor_map_to_region(state.cursor, state.config->cursor.mapped_geo);
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wl_list_init(&state.devices);
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// pointer events
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wl_signal_add(&state.cursor->events.motion, &state.cursor_motion);
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state.cursor_motion.notify = handle_cursor_motion;
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@ -239,6 +311,19 @@ int main(int argc, char *argv[]) {
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wl_signal_add(&state.cursor->events.axis, &state.cursor_axis);
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state.cursor_axis.notify = handle_cursor_axis;
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// touch events
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wl_signal_add(&state.cursor->events.touch_up, &state.touch_up);
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state.touch_up.notify = handle_touch_up;
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wl_signal_add(&state.cursor->events.touch_down, &state.touch_down);
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state.touch_down.notify = handle_touch_down;
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wl_signal_add(&state.cursor->events.touch_motion, &state.touch_motion);
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state.touch_motion.notify = handle_touch_motion;
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wl_signal_add(&state.cursor->events.touch_cancel, &state.touch_cancel);
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state.touch_cancel.notify = handle_touch_cancel;
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struct compositor_state compositor = { 0 };
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compositor.data = &state;
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compositor.output_add_cb = handle_output_add;
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@ -20,6 +20,11 @@ struct wlr_cursor {
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struct wl_signal motion_absolute;
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struct wl_signal button;
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struct wl_signal axis;
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struct wl_signal touch_up;
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struct wl_signal touch_down;
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struct wl_signal touch_motion;
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struct wl_signal touch_cancel;
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} events;
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};
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@ -18,6 +18,11 @@ struct wlr_cursor_device {
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struct wl_listener motion_absolute;
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struct wl_listener button;
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struct wl_listener axis;
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struct wl_listener touch_down;
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struct wl_listener touch_up;
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struct wl_listener touch_motion;
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struct wl_listener touch_cancel;
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};
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struct wlr_cursor_state {
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@ -45,11 +50,18 @@ struct wlr_cursor *wlr_cursor_init() {
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wl_list_init(&cur->state->devices);
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// pointer signals
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wl_signal_init(&cur->events.motion);
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wl_signal_init(&cur->events.motion_absolute);
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wl_signal_init(&cur->events.button);
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wl_signal_init(&cur->events.axis);
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// touch signals
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wl_signal_init(&cur->events.touch_up);
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wl_signal_init(&cur->events.touch_down);
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wl_signal_init(&cur->events.touch_motion);
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wl_signal_init(&cur->events.touch_cancel);
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cur->x = 100;
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cur->y = 100;
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@ -218,19 +230,48 @@ static void handle_pointer_axis(struct wl_listener *listener, void *data) {
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wl_signal_emit(&device->cursor->events.axis, event);
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}
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static void handle_touch_up(struct wl_listener *listener, void *data) {
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struct wlr_event_touch_up *event = data;
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struct wlr_cursor_device *device;
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device = wl_container_of(listener, device, touch_up);
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wl_signal_emit(&device->cursor->events.touch_up, event);
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}
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static void handle_touch_down(struct wl_listener *listener, void *data) {
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struct wlr_event_touch_down *event = data;
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struct wlr_cursor_device *device;
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device = wl_container_of(listener, device, touch_down);
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wl_signal_emit(&device->cursor->events.touch_down, event);
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}
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static void handle_touch_motion(struct wl_listener *listener, void *data) {
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struct wlr_event_touch_motion *event = data;
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struct wlr_cursor_device *device;
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device = wl_container_of(listener, device, touch_motion);
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wl_signal_emit(&device->cursor->events.touch_motion, event);
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}
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static void handle_touch_cancel(struct wl_listener *listener, void *data) {
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struct wlr_event_touch_cancel *event = data;
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struct wlr_cursor_device *device;
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device = wl_container_of(listener, device, touch_cancel);
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wl_signal_emit(&device->cursor->events.touch_cancel, event);
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}
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void wlr_cursor_attach_input_device(struct wlr_cursor *cur,
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struct wlr_input_device *dev) {
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if (dev->type != WLR_INPUT_DEVICE_POINTER &&
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dev->type != WLR_INPUT_DEVICE_TOUCH &&
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dev->type != WLR_INPUT_DEVICE_TABLET_TOOL) {
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wlr_log(L_ERROR, "only device types of pointer, touch or tablet tool are"
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"supported");
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wlr_log(L_ERROR, "only device types of pointer, touch or tablet tool"
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"are supported");
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return;
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}
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// TODO support other device types
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if (dev->type != WLR_INPUT_DEVICE_POINTER) {
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wlr_log(L_ERROR, "TODO: support touch and tablet tool devices");
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if (dev->type != WLR_INPUT_DEVICE_POINTER &&
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dev->type != WLR_INPUT_DEVICE_TOUCH) {
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wlr_log(L_ERROR, "TODO: support tablet tool devices");
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return;
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}
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@ -242,7 +283,8 @@ void wlr_cursor_attach_input_device(struct wlr_cursor *cur,
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}
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}
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struct wlr_cursor_device *device = calloc(1, sizeof(struct wlr_cursor_device));
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struct wlr_cursor_device *device;
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device = calloc(1, sizeof(struct wlr_cursor_device));
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if (!device) {
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wlr_log(L_ERROR, "Failed to allocate wlr_cursor_device");
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return;
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@ -252,17 +294,32 @@ void wlr_cursor_attach_input_device(struct wlr_cursor *cur,
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device->device = dev;
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// listen to events
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wl_signal_add(&dev->pointer->events.motion, &device->motion);
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device->motion.notify = handle_pointer_motion;
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wl_signal_add(&dev->pointer->events.motion_absolute, &device->motion_absolute);
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device->motion_absolute.notify = handle_pointer_motion_absolute;
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if (dev->type == WLR_INPUT_DEVICE_POINTER) {
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wl_signal_add(&dev->pointer->events.motion, &device->motion);
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device->motion.notify = handle_pointer_motion;
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wl_signal_add(&dev->pointer->events.button, &device->button);
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device->button.notify = handle_pointer_button;
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wl_signal_add(&dev->pointer->events.motion_absolute, &device->motion_absolute);
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device->motion_absolute.notify = handle_pointer_motion_absolute;
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wl_signal_add(&dev->pointer->events.axis, &device->axis);
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device->axis.notify = handle_pointer_axis;
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wl_signal_add(&dev->pointer->events.button, &device->button);
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device->button.notify = handle_pointer_button;
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wl_signal_add(&dev->pointer->events.axis, &device->axis);
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device->axis.notify = handle_pointer_axis;
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} else if (dev->type == WLR_INPUT_DEVICE_TOUCH) {
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wl_signal_add(&dev->touch->events.motion, &device->touch_motion);
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device->touch_motion.notify = handle_touch_motion;
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wl_signal_add(&dev->touch->events.down, &device->touch_down);
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device->touch_down.notify = handle_touch_down;
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wl_signal_add(&dev->touch->events.up, &device->touch_up);
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device->touch_up.notify = handle_touch_up;
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wl_signal_add(&dev->touch->events.cancel, &device->touch_cancel);
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device->touch_cancel.notify = handle_touch_cancel;
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}
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wl_list_insert(&cur->state->devices, &device->link);
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}
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