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-rw-r--r--examples/pointer.c91
1 files changed, 88 insertions, 3 deletions
diff --git a/examples/pointer.c b/examples/pointer.c
index 9492adab..bae205f5 100644
--- a/examples/pointer.c
+++ b/examples/pointer.c
@@ -45,8 +45,27 @@ struct sample_state {
struct wl_listener cursor_motion_absolute;
struct wl_listener cursor_button;
struct wl_listener cursor_axis;
+
+ struct wl_listener touch_motion;
+ struct wl_listener touch_up;
+ struct wl_listener touch_down;
+ struct wl_listener touch_cancel;
+ list_t *touch_points;
+};
+
+struct touch_point {
+ int32_t slot;
+ double x, y;
};
+static void warp_to_touch(struct sample_state *sample) {
+ wlr_log(L_DEBUG, "TODO: warp to touch");
+ for (size_t i = 0; i < sample->touch_points->length; ++i) {
+ struct touch_point *point = sample->touch_points->items[i];
+ wlr_log(L_DEBUG, "have point x=%f,y=%f", point->x, point->y);
+ }
+}
+
static void handle_output_frame(struct output_state *output, struct timespec *ts) {
struct compositor_state *state = output->compositor;
struct sample_state *sample = state->data;
@@ -149,8 +168,10 @@ static void handle_input_add(struct compositor_state *state, struct
struct sample_state *sample = state->data;
// TODO handle other input devices
- if (device->type == WLR_INPUT_DEVICE_POINTER) {
- struct sample_input_device *s_device = calloc(1, sizeof(struct sample_input_device));
+ if (device->type == WLR_INPUT_DEVICE_POINTER ||
+ device->type == WLR_INPUT_DEVICE_TOUCH) {
+ struct sample_input_device *s_device;
+ s_device = calloc(1, sizeof(struct sample_input_device));
s_device->device = device;
wl_list_insert(&sample->devices, &s_device->link);
@@ -216,10 +237,60 @@ static void handle_cursor_axis(struct wl_listener *listener, void *data) {
sizeof(sample->clear_color));
}
+static void handle_touch_up(struct wl_listener *listener, void *data) {
+ struct sample_state *sample = wl_container_of(listener, sample, touch_up);
+ struct wlr_event_touch_up *event = data;
+ for (size_t i = 0; i < sample->touch_points->length; ++i) {
+ struct touch_point *point = sample->touch_points->items[i];
+ if (point->slot == event->slot) {
+ list_del(sample->touch_points, i);
+ break;
+ }
+ }
+
+ warp_to_touch(sample);
+}
+
+static void handle_touch_down(struct wl_listener *listener, void *data) {
+ struct sample_state *sample = wl_container_of(listener, sample, touch_down);
+ struct wlr_event_touch_down *event = data;
+ struct touch_point *point = calloc(1, sizeof(struct touch_state));
+ point->slot = event->slot;
+ point->x = event->x_mm / event->width_mm;
+ point->y = event->y_mm / event->height_mm;
+ if (list_add(sample->touch_points, point) == -1) {
+ free(point);
+ }
+
+ warp_to_touch(sample);
+}
+
+static void handle_touch_motion(struct wl_listener *listener, void *data) {
+ struct sample_state *sample = wl_container_of(listener, sample, touch_motion);
+ struct wlr_event_touch_motion *event = data;
+ for (size_t i = 0; i < sample->touch_points->length; ++i) {
+ struct touch_point *point = sample->touch_points->items[i];
+ if (point->slot == event->slot) {
+ point->x = event->x_mm / event->width_mm;
+ point->y = event->y_mm / event->height_mm;
+ break;
+ }
+ }
+
+ warp_to_touch(sample);
+}
+
+static void handle_touch_cancel(struct wl_listener *listener, void *data) {
+ //struct sample_state *sample = wl_container_of(listener, sample, touch_cancel);
+ //struct wlr_event_touch_cancel *event = data;
+ wlr_log(L_DEBUG, "TODO: touch cancel");
+}
+
int main(int argc, char *argv[]) {
struct sample_state state = {
.default_color = { 0.25f, 0.25f, 0.25f, 1 },
- .clear_color = { 0.25f, 0.25f, 0.25f, 1 }
+ .clear_color = { 0.25f, 0.25f, 0.25f, 1 },
+ .touch_points = list_create(),
};
state.config = parse_args(argc, argv);
@@ -227,6 +298,7 @@ int main(int argc, char *argv[]) {
wlr_cursor_map_to_region(state.cursor, state.config->cursor.mapped_geo);
wl_list_init(&state.devices);
+ // pointer events
wl_signal_add(&state.cursor->events.motion, &state.cursor_motion);
state.cursor_motion.notify = handle_cursor_motion;
@@ -239,6 +311,19 @@ int main(int argc, char *argv[]) {
wl_signal_add(&state.cursor->events.axis, &state.cursor_axis);
state.cursor_axis.notify = handle_cursor_axis;
+ // touch events
+ wl_signal_add(&state.cursor->events.touch_up, &state.touch_up);
+ state.touch_up.notify = handle_touch_up;
+
+ wl_signal_add(&state.cursor->events.touch_down, &state.touch_down);
+ state.touch_down.notify = handle_touch_down;
+
+ wl_signal_add(&state.cursor->events.touch_motion, &state.touch_motion);
+ state.touch_motion.notify = handle_touch_motion;
+
+ wl_signal_add(&state.cursor->events.touch_cancel, &state.touch_cancel);
+ state.touch_cancel.notify = handle_touch_cancel;
+
struct compositor_state compositor = { 0 };
compositor.data = &state;
compositor.output_add_cb = handle_output_add;