forked from enlightenment/enlightenment
gesture_recognition: Rework to use elput
With this: - Support for gestures in X *and* wayland. Wayland does not require the libinput group hack - Hotplugging support thanks to udev support This requires a new rebuild of efl.
This commit is contained in:
parent
753ffef8d0
commit
d5c653f419
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@ -1,9 +1,9 @@
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#include <e.h>
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#include <e.h>
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#include <Eina.h>
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#include <Eina.h>
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#include <libinput.h>
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#include <grp.h>
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#include <grp.h>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <pwd.h>
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#include <pwd.h>
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#include <Elput.h>
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E_API E_Module_Api e_modapi =
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E_API E_Module_Api e_modapi =
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{
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{
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@ -11,9 +11,8 @@ E_API E_Module_Api e_modapi =
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"Gesture Recognition"
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"Gesture Recognition"
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};
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};
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static struct libinput *gesture_recognition_ctx;
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static Ecore_Fd_Handler *fd_listener;
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static Eina_Hash *active_gestures;
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static Eina_Hash *active_gestures;
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static Elput_Manager *manager;
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typedef struct {
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typedef struct {
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Eina_Vector2 pos;
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Eina_Vector2 pos;
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@ -23,45 +22,8 @@ typedef struct {
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} visuals;
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} visuals;
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} Swipe_Stats;
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} Swipe_Stats;
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static int
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open_restricted(const char *path, int flags, void *user_data EINA_UNUSED)
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{
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int fd = open(path, flags);
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return fd < 0 ? -errno : fd;
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}
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static void
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close_restricted(int fd, void *user_data EINA_UNUSED)
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{
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close(fd);
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}
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static const struct libinput_interface interface = {
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.open_restricted = open_restricted,
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.close_restricted = close_restricted,
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};
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static void
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_find_all_touch_input_devices(const char *path, struct libinput *li)
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{
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Eina_File_Direct_Info *info;
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Eina_Iterator *input_devies = eina_file_direct_ls(path);
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EINA_ITERATOR_FOREACH(input_devies, info)
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{
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struct libinput_device *dev = libinput_path_add_device(li, info->path);
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if (!dev) continue;
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if (!libinput_device_has_capability(dev, LIBINPUT_DEVICE_CAP_GESTURE))
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{
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libinput_path_remove_device(dev);
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}
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}
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}
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static Swipe_Stats*
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static Swipe_Stats*
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_find_swipe_gesture_recognizition(struct libinput_device *dev)
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_find_swipe_gesture_recognizition(Elput_Device *dev)
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{
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{
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Swipe_Stats *stats = eina_hash_find(active_gestures, dev);
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Swipe_Stats *stats = eina_hash_find(active_gestures, dev);
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@ -69,7 +31,7 @@ _find_swipe_gesture_recognizition(struct libinput_device *dev)
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}
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}
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static Swipe_Stats*
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static Swipe_Stats*
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_start_swipe_gesture_recognizition(struct libinput_device *dev)
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_start_swipe_gesture_recognizition(Elput_Device *dev)
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{
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{
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Swipe_Stats *stats = _find_swipe_gesture_recognizition(dev);
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Swipe_Stats *stats = _find_swipe_gesture_recognizition(dev);
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@ -103,7 +65,7 @@ _start_swipe_gesture_recognizition(struct libinput_device *dev)
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}
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}
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static void
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static void
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_end_swipe_gesture_recognizition(struct libinput_device *dev)
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_end_swipe_gesture_recognizition(Elput_Device *dev)
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{
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{
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eina_hash_del_by_key(active_gestures, dev);
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eina_hash_del_by_key(active_gestures, dev);
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}
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}
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@ -118,104 +80,6 @@ _config_angle(Eina_Vector2 pos)
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return res;
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return res;
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}
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}
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static Eina_Bool
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_cb_input_dispatch(void *data, Ecore_Fd_Handler *hdlr EINA_UNUSED)
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{
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struct libinput *li = data;
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struct libinput_event *event;
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if (libinput_dispatch(li) != 0)
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printf("Failed to dispatch libinput events");
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while((event = libinput_get_event(li)))
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{
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E_Bindings_Swipe_Live_Update live_update = e_bindings_swipe_live_update_hook_get();
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enum libinput_event_type type = libinput_event_get_type(event);
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struct libinput_device *dev = libinput_event_get_device(event);
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if (type == LIBINPUT_EVENT_GESTURE_SWIPE_BEGIN)
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{
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struct libinput_event_gesture *gesture = libinput_event_get_gesture_event(event);
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Swipe_Stats *stats = _start_swipe_gesture_recognizition(dev);
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stats->fingers = libinput_event_gesture_get_finger_count(gesture);
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stats->pos.x = stats->pos.y = 0;
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}
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else if (type == LIBINPUT_EVENT_GESTURE_SWIPE_UPDATE)
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{
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struct libinput_event_gesture *gesture = libinput_event_get_gesture_event(event);
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Swipe_Stats *stats = _find_swipe_gesture_recognizition(dev);
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stats->pos.x += libinput_event_gesture_get_dx(gesture);
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stats->pos.y += libinput_event_gesture_get_dy(gesture);
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if (live_update)
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{
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live_update(e_bindings_swipe_live_update_hook_data_get(), EINA_FALSE, _config_angle(stats->pos), eina_vector2_length_get(&stats->pos), 0.8, stats->fingers);
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}
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else if (stats->visuals.win)
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{
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Eina_Inarray *res = e_bindings_swipe_find_candidates(E_BINDING_CONTEXT_NONE, _config_angle (stats->pos), eina_vector2_length_get(&stats->pos), stats->fingers);
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E_Binding_Swipe_Candidate *itr;
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double total = 0.0f;
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unsigned int len = 0;
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EINA_INARRAY_FOREACH(res, itr)
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{
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total += itr->acceptance;
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len ++;
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}
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if (len > 0)
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{
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char text_buffer[1000];
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snprintf(text_buffer, sizeof(text_buffer), "%d gestures possible", len);
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elm_progressbar_value_set(stats->visuals.visuals, total/len);
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elm_object_text_set(stats->visuals.visuals, text_buffer);
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}
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else
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{
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elm_progressbar_value_set(stats->visuals.visuals, 0.0f);
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elm_object_text_set(stats->visuals.visuals, "No gesture found");
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}
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eina_inarray_free(res);
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}
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}
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else if (type == LIBINPUT_EVENT_GESTURE_SWIPE_END)
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{
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Swipe_Stats *stats = _find_swipe_gesture_recognizition(dev);
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if (live_update)
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live_update(e_bindings_swipe_live_update_hook_data_get(), EINA_TRUE, _config_angle(stats->pos), eina_vector2_length_get(&stats->pos), 0.8, stats->fingers);
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else
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e_bindings_swipe_handle(E_BINDING_CONTEXT_NONE, NULL, _config_angle(stats->pos), eina_vector2_length_get(&stats->pos), stats->fingers);
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_end_swipe_gesture_recognizition(dev);
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}
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libinput_event_destroy(event);
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}
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return EINA_TRUE;
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}
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static void
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_setup_libinput(void)
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{
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gesture_recognition_ctx = libinput_path_create_context(&interface, NULL);
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_find_all_touch_input_devices("/dev/input/", gesture_recognition_ctx);
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fd_listener = ecore_main_fd_handler_add(libinput_get_fd(gesture_recognition_ctx), ECORE_FD_READ, _cb_input_dispatch, gesture_recognition_ctx, NULL, NULL);
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}
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static void
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_tear_down_libinput(void)
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{
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ecore_main_fd_handler_del(fd_listener);
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libinput_unref(gesture_recognition_ctx);
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}
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static Eina_Bool
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static Eina_Bool
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_user_part_of_input(void)
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_user_part_of_input(void)
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{
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{
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@ -258,9 +122,86 @@ _stats_free(void *ptr)
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free(stats);
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free(stats);
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}
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}
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static void
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_begin(void *data EINA_UNUSED, Elput_Device *device, Elput_Swipe_Gesture *gesture)
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{
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Swipe_Stats *stats = _start_swipe_gesture_recognizition(device);
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stats->fingers = elput_swipe_finger_count_get(gesture);
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stats->pos.x = stats->pos.y = 0;
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}
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static void
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_update(void *data EINA_UNUSED, Elput_Device *device, Elput_Swipe_Gesture *gesture)
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{
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E_Bindings_Swipe_Live_Update live_update = e_bindings_swipe_live_update_hook_get();
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Swipe_Stats *stats = _find_swipe_gesture_recognizition(device);
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stats->pos.x += elput_swipe_dx_get(gesture);
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stats->pos.y += elput_swipe_dy_get(gesture);
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if (live_update)
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{
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live_update(e_bindings_swipe_live_update_hook_data_get(), EINA_FALSE, _config_angle(stats->pos), eina_vector2_length_get(&stats->pos), 0.8, stats->fingers);
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}
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else if (stats->visuals.win)
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{
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Eina_Inarray *res = e_bindings_swipe_find_candidates(E_BINDING_CONTEXT_NONE, _config_angle (stats->pos), eina_vector2_length_get(&stats->pos), stats->fingers);
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E_Binding_Swipe_Candidate *itr;
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double total = 0.0f;
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unsigned int len = 0;
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EINA_INARRAY_FOREACH(res, itr)
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{
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total += itr->acceptance;
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len ++;
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}
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if (len > 0)
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{
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char text_buffer[1000];
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snprintf(text_buffer, sizeof(text_buffer), "%d gestures possible", len);
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elm_progressbar_value_set(stats->visuals.visuals, total/len);
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elm_object_text_set(stats->visuals.visuals, text_buffer);
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}
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else
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{
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elm_progressbar_value_set(stats->visuals.visuals, 0.0f);
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elm_object_text_set(stats->visuals.visuals, "No gesture found");
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}
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eina_inarray_free(res);
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}
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}
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static void
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_end(void *data EINA_UNUSED, Elput_Device *device, Elput_Swipe_Gesture *gesture EINA_UNUSED)
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{
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E_Bindings_Swipe_Live_Update live_update = e_bindings_swipe_live_update_hook_get();
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Swipe_Stats *stats = _find_swipe_gesture_recognizition(device);
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if (live_update)
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live_update(e_bindings_swipe_live_update_hook_data_get(), EINA_TRUE, _config_angle(stats->pos), eina_vector2_length_get(&stats->pos), 0.8, stats->fingers);
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else
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e_bindings_swipe_handle(E_BINDING_CONTEXT_NONE, NULL, _config_angle(stats->pos), eina_vector2_length_get(&stats->pos), stats->fingers);
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_end_swipe_gesture_recognizition(device);
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}
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E_API int
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E_API int
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e_modapi_init(E_Module *m EINA_UNUSED)
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e_modapi_init(E_Module *m EINA_UNUSED)
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{
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{
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const char *device = NULL;
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elput_init();
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device = getenv("XDG_SEAT");
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if (!device) device = "seat0";
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manager = elput_manager_connect_gestures(device, 0);
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elput_input_init(manager);
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elput_manager_swipe_gesture_listen(manager, _begin, NULL, _update, NULL, _end, NULL);
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if (!_user_part_of_input())
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if (!_user_part_of_input())
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{
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{
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e_module_dialog_show(m, "Gesture Recognition", "Your user is not part of the input group, libinput cannot be used.");
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e_module_dialog_show(m, "Gesture Recognition", "Your user is not part of the input group, libinput cannot be used.");
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return 0;
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return 0;
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}
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}
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active_gestures = eina_hash_pointer_new(_stats_free);
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active_gestures = eina_hash_pointer_new(_stats_free);
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_setup_libinput();
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return 1;
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return 1;
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}
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}
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E_API int
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E_API int
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e_modapi_shutdown(E_Module *m EINA_UNUSED)
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e_modapi_shutdown(E_Module *m EINA_UNUSED)
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{
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{
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_tear_down_libinput();
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elput_shutdown();
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return 1;
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return 1;
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}
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}
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src = files(
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src = files(
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'e_mod_main.c',
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'e_mod_main.c',
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)
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)
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deps += [dependency('libinput')]
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deps += [dependency('elput'), dependency('libinput')]
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