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https://github.com/hyprwm/wlroots-hyprland.git
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Add axis events to pointer example
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parent
8f284ec0b2
commit
7dfc2c28f1
3 changed files with 37 additions and 2 deletions
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@ -23,6 +23,7 @@ struct sample_state {
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struct wlr_renderer *renderer;
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struct wlr_surface *cat_texture;
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int cur_x, cur_y;
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float default_color[4];
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float clear_color[4];
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};
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@ -64,8 +65,7 @@ static void handle_pointer_button(struct pointer_state *pstate,
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struct sample_state *sample = pstate->compositor->data;
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float (*color)[4];
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if (state == WLR_BUTTON_RELEASED) {
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float _default[4] = { 0.25f, 0.25f, 0.25f, 1 };
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color = &_default;
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color = &sample->default_color;
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} else {
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float red[4] = { 0.25f, 0.25f, 0.25f, 1 };
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red[button % 3] = 1;
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@ -74,8 +74,27 @@ static void handle_pointer_button(struct pointer_state *pstate,
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memcpy(&sample->clear_color, color, sizeof(*color));
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}
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static void handle_pointer_axis(struct pointer_state *pstate,
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enum wlr_axis_source source,
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enum wlr_axis_orientation orientation,
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double delta) {
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struct sample_state *sample = pstate->compositor->data;
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for (size_t i = 0; i < 3; ++i) {
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sample->default_color[i] += delta > 0 ? -0.05f : 0.05f;
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if (sample->default_color[i] > 1.0f) {
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sample->default_color[i] = 1.0f;
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}
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if (sample->default_color[i] < 0.0f) {
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sample->default_color[i] = 0.0f;
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}
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}
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memcpy(&sample->clear_color, &sample->default_color,
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sizeof(sample->clear_color));
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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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};
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struct compositor_state compositor;
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@ -85,6 +104,7 @@ int main(int argc, char *argv[]) {
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compositor.keyboard_key_cb = handle_keyboard_key;
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compositor.pointer_motion_cb = handle_pointer_motion;
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compositor.pointer_button_cb = handle_pointer_button;
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compositor.pointer_axis_cb = handle_pointer_axis;
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state.renderer = wlr_gles3_renderer_init();
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state.cat_texture = wlr_render_surface_init(state.renderer);
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@ -88,6 +88,15 @@ static void pointer_button_notify(struct wl_listener *listener, void *data) {
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}
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}
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static void pointer_axis_notify(struct wl_listener *listener, void *data) {
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struct wlr_pointer_axis *event = data;
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struct pointer_state *pstate = wl_container_of(listener, pstate, axis);
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if (pstate->compositor->pointer_axis_cb) {
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pstate->compositor->pointer_axis_cb(pstate,
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event->source, event->orientation, event->delta);
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}
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}
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static void pointer_add(struct wlr_input_device *device, struct compositor_state *state) {
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struct pointer_state *pstate = calloc(sizeof(struct pointer_state), 1);
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pstate->device = device;
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@ -98,8 +107,10 @@ static void pointer_add(struct wlr_input_device *device, struct compositor_state
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wl_list_init(&pstate->axis.link);
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pstate->motion.notify = pointer_motion_notify;
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pstate->button.notify = pointer_button_notify;
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pstate->axis.notify = pointer_axis_notify;
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wl_signal_add(&device->pointer->events.motion, &pstate->motion);
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wl_signal_add(&device->pointer->events.button, &pstate->button);
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wl_signal_add(&device->pointer->events.axis, &pstate->axis);
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wl_list_insert(&state->pointers, &pstate->link);
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}
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@ -51,6 +51,10 @@ struct compositor_state {
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double d_x, double d_y);
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void (*pointer_button_cb)(struct pointer_state *s,
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uint32_t button, enum wlr_button_state state);
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void (*pointer_axis_cb)(struct pointer_state *s,
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enum wlr_axis_source source,
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enum wlr_axis_orientation orientation,
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double delta);
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struct wl_display *display;
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struct wl_event_loop *event_loop;
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