41 static void lv_slider_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj);
43 static void position_knob(lv_obj_t * obj, lv_area_t * knob_area, const int32_t knob_size, const boo…
45 static bool is_slider_horizontal(lv_obj_t * obj);
46 static void drag_start(lv_obj_t * obj);
47 static void update_knob_pos(lv_obj_t * obj, bool check_drag);
130     lv_obj_t * obj = lv_obj_class_create_obj(MY_CLASS, parent);  in lv_slider_create()  local
131     lv_obj_class_init_obj(obj);  in lv_slider_create()
132     return obj;  in lv_slider_create()
135 bool lv_slider_is_dragged(const lv_obj_t * obj)  in lv_slider_is_dragged()  argument
137     LV_ASSERT_OBJ(obj, MY_CLASS);  in lv_slider_is_dragged()
138     lv_slider_t * slider = (lv_slider_t *)obj;  in lv_slider_is_dragged()
143 void lv_slider_set_value(lv_obj_t * obj, int32_t value, lv_anim_enable_t anim)  in lv_slider_set_value()  argument
145     lv_bar_set_value(obj, value, anim);  in lv_slider_set_value()
148 void lv_slider_set_left_value(lv_obj_t * obj, int32_t value, lv_anim_enable_t anim)  in lv_slider_set_left_value()  argument
150     lv_bar_set_start_value(obj, value, anim);  in lv_slider_set_left_value()
153 void lv_slider_set_range(lv_obj_t * obj, int32_t min, int32_t max)  in lv_slider_set_range()  argument
155     lv_bar_set_range(obj, min, max);  in lv_slider_set_range()
158 void lv_slider_set_mode(lv_obj_t * obj, lv_slider_mode_t mode)  in lv_slider_set_mode()  argument
160     lv_bar_set_mode(obj, (lv_bar_mode_t)mode);  in lv_slider_set_mode()
163 void lv_slider_set_orientation(lv_obj_t * obj, lv_slider_orientation_t orientation)  in lv_slider_set_orientation()  argument
165     lv_bar_set_orientation(obj, (lv_bar_orientation_t)orientation);  in lv_slider_set_orientation()
168 int32_t lv_slider_get_value(const lv_obj_t * obj)  in lv_slider_get_value()  argument
170     return lv_bar_get_value(obj);  in lv_slider_get_value()
173 int32_t lv_slider_get_left_value(const lv_obj_t * obj)  in lv_slider_get_left_value()  argument
175     return lv_bar_get_start_value(obj);  in lv_slider_get_left_value()
178 int32_t lv_slider_get_min_value(const lv_obj_t * obj)  in lv_slider_get_min_value()  argument
180     return lv_bar_get_min_value(obj);  in lv_slider_get_min_value()
183 int32_t lv_slider_get_max_value(const lv_obj_t * obj)  in lv_slider_get_max_value()  argument
185     return lv_bar_get_max_value(obj);  in lv_slider_get_max_value()
204 bool lv_slider_is_symmetrical(lv_obj_t * obj)  in lv_slider_is_symmetrical()  argument
206     return lv_bar_is_symmetrical(obj);  in lv_slider_is_symmetrical()
213 static void lv_slider_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj)  in lv_slider_constructor()  argument
216     lv_slider_t * slider = (lv_slider_t *)obj;  in lv_slider_constructor()
223     lv_obj_remove_flag(obj, LV_OBJ_FLAG_SCROLL_CHAIN_HOR);  in lv_slider_constructor()
224     lv_obj_remove_flag(obj, LV_OBJ_FLAG_SCROLLABLE);  in lv_slider_constructor()
225     lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);  in lv_slider_constructor()
226     lv_obj_set_ext_click_area(obj, LV_DPX(8));  in lv_slider_constructor()
240     lv_obj_t * obj = lv_event_get_current_target(e);  in lv_slider_event()  local
241     lv_slider_t * slider = (lv_slider_t *)obj;  in lv_slider_event()
242     lv_slider_mode_t type = lv_slider_get_mode(obj);  in lv_slider_event()
247         int32_t ext_click_area = obj->spec_attr ? obj->spec_attr->ext_click_pad : 0;  in lv_slider_event()
265 …lv_obj_transform_point(obj, &slider->pressed_point, LV_OBJ_POINT_TRANSFORM_FLAG_INVERSE_RECURSIVE);  in lv_slider_event()
268         update_knob_pos(obj, true);  in lv_slider_event()
271         update_knob_pos(obj, false);  in lv_slider_event()
275         lv_obj_invalidate(obj);  in lv_slider_event()
278         lv_group_t * g   = lv_obj_get_group(obj);  in lv_slider_event()
283                 if(lv_slider_get_mode(obj) == LV_SLIDER_MODE_RANGE) {  in lv_slider_event()
296             if(is_slider_horizontal(obj)) lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_CHAIN_VER);  in lv_slider_event()
297             else  lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_CHAIN_HOR);  in lv_slider_event()
307         if(is_slider_horizontal(obj)) {  in lv_slider_event()
308             lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_CHAIN_VER);  in lv_slider_event()
309             lv_obj_remove_flag(obj, LV_OBJ_FLAG_SCROLL_CHAIN_HOR);  in lv_slider_event()
312             lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_CHAIN_HOR);  in lv_slider_event()
313             lv_obj_remove_flag(obj, LV_OBJ_FLAG_SCROLL_CHAIN_VER);  in lv_slider_event()
315         lv_obj_refresh_ext_draw_size(obj);  in lv_slider_event()
318         int32_t knob_left = lv_obj_get_style_pad_left(obj, LV_PART_KNOB);  in lv_slider_event()
319         int32_t knob_right = lv_obj_get_style_pad_right(obj, LV_PART_KNOB);  in lv_slider_event()
320         int32_t knob_top = lv_obj_get_style_pad_top(obj, LV_PART_KNOB);  in lv_slider_event()
321         int32_t knob_bottom = lv_obj_get_style_pad_bottom(obj, LV_PART_KNOB);  in lv_slider_event()
324         int32_t trans_w = lv_obj_get_style_transform_width(obj, LV_PART_KNOB);  in lv_slider_event()
325         int32_t trans_h = lv_obj_get_style_transform_height(obj, LV_PART_KNOB);  in lv_slider_event()
326 …int32_t knob_size = LV_MIN(lv_obj_get_width(obj) + 2 * trans_w, lv_obj_get_height(obj) + 2 * trans…  in lv_slider_event()
329         knob_size += lv_obj_calculate_ext_draw_size(obj, LV_PART_KNOB);  in lv_slider_event()
340 …   if(!slider->left_knob_focus) lv_slider_set_value(obj, lv_slider_get_value(obj) + 1, LV_ANIM_ON);  in lv_slider_event()
341             else lv_slider_set_left_value(obj, lv_slider_get_left_value(obj) + 1, LV_ANIM_ON);  in lv_slider_event()
344 …   if(!slider->left_knob_focus) lv_slider_set_value(obj, lv_slider_get_value(obj) - 1, LV_ANIM_ON);  in lv_slider_event()
345             else lv_slider_set_left_value(obj, lv_slider_get_left_value(obj) - 1, LV_ANIM_ON);  in lv_slider_event()
351         res = lv_obj_send_event(obj, LV_EVENT_VALUE_CHANGED, NULL);  in lv_slider_event()
357 …   if(!slider->left_knob_focus) lv_slider_set_value(obj, lv_slider_get_value(obj) + r, LV_ANIM_ON);  in lv_slider_event()
358         else lv_slider_set_left_value(obj, lv_slider_get_left_value(obj) + 1, LV_ANIM_ON);  in lv_slider_event()
360         res = lv_obj_send_event(obj, LV_EVENT_VALUE_CHANGED, NULL);  in lv_slider_event()
370     lv_obj_t * obj = lv_event_get_current_target(e);  in draw_knob()  local
371     lv_slider_t * slider = (lv_slider_t *)obj;  in draw_knob()
374     const bool is_rtl = LV_BASE_DIR_RTL == lv_obj_get_style_base_dir(obj, LV_PART_MAIN);  in draw_knob()
375     const bool is_horizontal = is_slider_horizontal(obj);  in draw_knob()
380     bool is_symmetrical = lv_slider_is_symmetrical(obj);  in draw_knob()
383         knob_size = lv_obj_get_height(obj);  in draw_knob()
389         knob_size = lv_obj_get_width(obj);  in draw_knob()
397     lv_obj_init_draw_rect_dsc(obj, LV_PART_KNOB, &knob_rect_dsc);  in draw_knob()
399     position_knob(obj, &knob_area, knob_size, is_horizontal);  in draw_knob()
403     if(lv_slider_get_mode(obj) != LV_SLIDER_MODE_RANGE) {  in draw_knob()
421         position_knob(obj, &knob_area, knob_size, is_horizontal);  in draw_knob()
430 static void position_knob(lv_obj_t * obj, lv_area_t * knob_area, const int32_t knob_size, const boo…  in position_knob()  argument
435         knob_area->y1 = obj->coords.y1;  in position_knob()
436         knob_area->y2 = obj->coords.y2;  in position_knob()
441         knob_area->x1 = obj->coords.x1;  in position_knob()
442         knob_area->x2 = obj->coords.x2;  in position_knob()
445     int32_t knob_left = lv_obj_get_style_pad_left(obj, LV_PART_KNOB);  in position_knob()
446     int32_t knob_right = lv_obj_get_style_pad_right(obj, LV_PART_KNOB);  in position_knob()
447     int32_t knob_top = lv_obj_get_style_pad_top(obj, LV_PART_KNOB);  in position_knob()
448     int32_t knob_bottom = lv_obj_get_style_pad_bottom(obj, LV_PART_KNOB);  in position_knob()
450     int32_t transf_w = lv_obj_get_style_transform_width(obj, LV_PART_KNOB);  in position_knob()
451     int32_t transf_h = lv_obj_get_style_transform_height(obj, LV_PART_KNOB);  in position_knob()
460 static bool is_slider_horizontal(lv_obj_t * obj)  in is_slider_horizontal()  argument
462     lv_slider_t * slider = (lv_slider_t *)obj;  in is_slider_horizontal()
463 …bar.orientation == LV_BAR_ORIENTATION_AUTO) return lv_obj_get_width(obj) >= lv_obj_get_height(obj);  in is_slider_horizontal()
468 static void drag_start(lv_obj_t * obj)  in drag_start()  argument
470     lv_slider_t * slider = (lv_slider_t *)obj;  in drag_start()
471     lv_slider_mode_t mode = lv_slider_get_mode(obj);  in drag_start()
479         lv_obj_transform_point(obj, &p, LV_OBJ_POINT_TRANSFORM_FLAG_INVERSE_RECURSIVE);  in drag_start()
480         const bool is_rtl = LV_BASE_DIR_RTL == lv_obj_get_style_base_dir(obj, LV_PART_MAIN);  in drag_start()
481         const bool is_horizontal = is_slider_horizontal(obj);  in drag_start()
532 static void update_knob_pos(lv_obj_t * obj, bool check_drag)  in update_knob_pos()  argument
534     lv_slider_t * slider = (lv_slider_t *)obj;  in update_knob_pos()
543     lv_obj_transform_point(obj, &p, LV_OBJ_POINT_TRANSFORM_FLAG_INVERSE_RECURSIVE);  in update_knob_pos()
545     bool is_hor = is_slider_horizontal(obj);  in update_knob_pos()
558         drag_start(obj);  in update_knob_pos()
563     const bool is_rtl = LV_BASE_DIR_RTL == lv_obj_get_style_base_dir(obj, LV_PART_MAIN);  in update_knob_pos()
564     const bool is_horizontal = is_slider_horizontal(obj);  in update_knob_pos()
568         const int32_t bg_left = lv_obj_get_style_pad_left(obj, LV_PART_MAIN);  in update_knob_pos()
569         const int32_t bg_right = lv_obj_get_style_pad_right(obj, LV_PART_MAIN);  in update_knob_pos()
570         const int32_t w = lv_obj_get_width(obj);  in update_knob_pos()
575             new_value = (obj->coords.x2 - bg_right) - p.x;  in update_knob_pos()
579             new_value = p.x - (obj->coords.x1 + bg_left);  in update_knob_pos()
587         const int32_t bg_top = lv_obj_get_style_pad_top(obj, LV_PART_MAIN);  in update_knob_pos()
588         const int32_t bg_bottom = lv_obj_get_style_pad_bottom(obj, LV_PART_MAIN);  in update_knob_pos()
589         const int32_t h = lv_obj_get_height(obj);  in update_knob_pos()
594             new_value = p.y - (obj->coords.y1 + bg_top);  in update_knob_pos()
598             new_value = p.y - (obj->coords.y2 + bg_bottom);  in update_knob_pos()
619             lv_obj_remove_flag(obj, LV_OBJ_FLAG_SCROLL_CHAIN_VER);  in update_knob_pos()
621             lv_obj_remove_flag(obj, LV_OBJ_FLAG_SCROLL_CHAIN_HOR);  in update_knob_pos()
623         lv_obj_invalidate(obj);  in update_knob_pos()
624         lv_result_t res = lv_obj_send_event(obj, LV_EVENT_VALUE_CHANGED, NULL);  in update_knob_pos()