diff options
Diffstat (limited to 'src/libs/lvgl/src/lv_widgets/lv_list.c')
| m--------- | src/libs/lvgl | 0 | ||||
| -rw-r--r-- | src/libs/lvgl/src/lv_widgets/lv_list.c | 928 |
2 files changed, 0 insertions, 928 deletions
diff --git a/src/libs/lvgl b/src/libs/lvgl new file mode 160000 +Subproject b89c30eafe1397a778ae5d65f108a0ef820de12 diff --git a/src/libs/lvgl/src/lv_widgets/lv_list.c b/src/libs/lvgl/src/lv_widgets/lv_list.c deleted file mode 100644 index a80c454..0000000 --- a/src/libs/lvgl/src/lv_widgets/lv_list.c +++ /dev/null @@ -1,928 +0,0 @@ -/** - * @file lv_list.c - * - */ - -/********************* - * INCLUDES - *********************/ -#include "lv_list.h" -#if LV_USE_LIST != 0 - -#include "../lv_misc/lv_debug.h" -#include "../lv_core/lv_group.h" -#include "../lv_themes/lv_theme.h" -#include "../lv_misc/lv_anim.h" -#include "../lv_misc/lv_math.h" - -/********************* - * DEFINES - *********************/ -#define LV_OBJX_NAME "lv_list" - -#define LV_LIST_LAYOUT_DEF LV_LAYOUT_COLUMN_MID - -#if LV_USE_ANIMATION == 0 - #undef LV_LIST_DEF_ANIM_TIME - #define LV_LIST_DEF_ANIM_TIME 0 -#endif - -/********************** - * TYPEDEFS - **********************/ - -/********************** - * STATIC PROTOTYPES - **********************/ -static lv_res_t lv_list_signal(lv_obj_t * list, lv_signal_t sign, void * param); -static lv_res_t lv_list_btn_signal(lv_obj_t * btn, lv_signal_t sign, void * param); -static lv_style_list_t * lv_list_get_style(lv_obj_t * list, uint8_t part); -static bool lv_list_is_list_btn(lv_obj_t * list_btn); -static bool lv_list_is_list_img(lv_obj_t * list_btn); -static bool lv_list_is_list_label(lv_obj_t * list_btn); - -/********************** - * STATIC VARIABLES - **********************/ -#if LV_USE_IMG - static lv_signal_cb_t img_signal; -#endif -static lv_signal_cb_t label_signal; -static lv_signal_cb_t ancestor_page_signal; -static lv_signal_cb_t ancestor_btn_signal; - -/********************** - * MACROS - **********************/ - -/********************** - * GLOBAL FUNCTIONS - **********************/ - -/** - * Create a list objects - * @param par pointer to an object, it will be the parent of the new list - * @param copy pointer to a list object, if not NULL then the new object will be copied from it - * @return pointer to the created list - */ -lv_obj_t * lv_list_create(lv_obj_t * par, const lv_obj_t * copy) -{ - LV_LOG_TRACE("list create started"); - - /*Create the ancestor basic object*/ - lv_obj_t * list = lv_page_create(par, copy); - LV_ASSERT_MEM(list); - if(list == NULL) return NULL; - - if(ancestor_page_signal == NULL) ancestor_page_signal = lv_obj_get_signal_cb(list); - - lv_list_ext_t * ext = lv_obj_allocate_ext_attr(list, sizeof(lv_list_ext_t)); - LV_ASSERT_MEM(ext); - if(ext == NULL) { - lv_obj_del(list); - return NULL; - } - -#if LV_USE_GROUP - ext->last_sel_btn = NULL; -#endif - ext->act_sel_btn = NULL; - - lv_obj_set_signal_cb(list, lv_list_signal); - - /*Init the new list object*/ - if(copy == NULL) { - lv_page_set_anim_time(list, LV_LIST_DEF_ANIM_TIME); - lv_page_set_scrollable_fit2(list, LV_FIT_PARENT, LV_FIT_TIGHT); - lv_obj_set_size(list, 2 * LV_DPI, 3 * LV_DPI); - lv_page_set_scrl_layout(list, LV_LIST_LAYOUT_DEF); - lv_list_set_scrollbar_mode(list, LV_SCROLLBAR_MODE_DRAG); - - lv_theme_apply(list, LV_THEME_LIST); - - } - else { - lv_obj_t * copy_btn = lv_list_get_next_btn(copy, NULL); - while(copy_btn) { - const void * img_src = NULL; -#if LV_USE_IMG - lv_obj_t * copy_img = lv_list_get_btn_img(copy_btn); - if(copy_img) img_src = lv_img_get_src(copy_img); -#endif - lv_list_add_btn(list, img_src, lv_list_get_btn_text(copy_btn)); - copy_btn = lv_list_get_next_btn(copy, copy_btn); - } - - /*Refresh the style with new signal function*/ - lv_obj_refresh_style(list, LV_OBJ_PART_ALL, LV_STYLE_PROP_ALL); - } - - LV_LOG_INFO("list created"); - - return list; -} - -/** - * Delete all children of the scrl object, without deleting scrl child. - * @param list pointer to an object - */ -void lv_list_clean(lv_obj_t * list) -{ - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - - lv_obj_t * scrl = lv_page_get_scrollable(list); - lv_obj_clean(scrl); -} - -/*====================== - * Add/remove functions - *=====================*/ -/** - * Add a list element to the list - * @param list pointer to list object - * @param img_fn file name of an image before the text (NULL if unused) - * @param txt text of the list element (NULL if unused) - * @return pointer to the new list element which can be customized (a button) - */ -lv_obj_t * lv_list_add_btn(lv_obj_t * list, const void * img_src, const char * txt) -{ - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - - lv_obj_t * last_btn = lv_list_get_prev_btn(list, NULL); - - /*The coordinates may changed due to autofit so revert them at the end*/ - lv_coord_t pos_x_ori = lv_obj_get_x(list); - lv_coord_t pos_y_ori = lv_obj_get_y(list); - - lv_obj_t * scrl = lv_page_get_scrollable(list); - lv_obj_add_protect(scrl, LV_PROTECT_CHILD_CHG); - - /*Create a list element with the image an the text*/ - lv_obj_t * btn; - btn = lv_btn_create(list, NULL); - - lv_obj_add_protect(btn, LV_PROTECT_CHILD_CHG); - - /*Save the original signal function because it will be required in `lv_list_btn_signal`*/ - if(ancestor_btn_signal == NULL) ancestor_btn_signal = lv_obj_get_signal_cb(btn); - - /*Set the default styles*/ - lv_theme_apply(btn, LV_THEME_LIST_BTN); - - lv_page_glue_obj(btn, true); - lv_btn_set_layout(btn, LV_LAYOUT_ROW_MID); - - lv_layout_t list_layout = lv_list_get_layout(list); - bool layout_ver = false; - if(list_layout == LV_LAYOUT_COLUMN_MID || list_layout == LV_LAYOUT_COLUMN_LEFT || - list_layout == LV_LAYOUT_COLUMN_RIGHT) { - layout_ver = true; - } - - if(layout_ver) { - lv_btn_set_fit2(btn, LV_FIT_PARENT, LV_FIT_TIGHT); - } - else { - lv_coord_t w = last_btn ? lv_obj_get_width(last_btn) : (LV_DPI * 3) / 2; - lv_btn_set_fit2(btn, LV_FIT_NONE, LV_FIT_TIGHT); - lv_obj_set_width(btn, w); - } - - lv_obj_add_protect(btn, LV_PROTECT_PRESS_LOST); - lv_obj_set_signal_cb(btn, lv_list_btn_signal); - -#if LV_USE_IMG != 0 - lv_obj_t * img = NULL; - if(img_src) { - img = lv_img_create(btn, NULL); - lv_img_set_src(img, img_src); - lv_obj_set_click(img, false); - if(img_signal == NULL) img_signal = lv_obj_get_signal_cb(img); - } -#endif - if(txt != NULL) { - lv_obj_t * label = lv_label_create(btn, NULL); - lv_label_set_text(label, txt); - lv_obj_set_click(label, false); - lv_label_set_long_mode(label, LV_LABEL_LONG_SROLL_CIRC); - if(lv_obj_get_base_dir(btn) == LV_BIDI_DIR_RTL) { - lv_coord_t pad = lv_obj_get_style_pad_left(btn, LV_BTN_PART_MAIN); - lv_obj_set_width(label, label->coords.x2 - btn->coords.x1 - pad); - } - else { - lv_coord_t pad = lv_obj_get_style_pad_right(btn, LV_BTN_PART_MAIN); - lv_obj_set_width(label, btn->coords.x2 - label->coords.x1 - pad); - } - if(label_signal == NULL) label_signal = lv_obj_get_signal_cb(label); - } - -#if LV_USE_GROUP - /* If this is the first item to be added to the list and the list is - * focused, select it */ - { - lv_group_t * g = lv_obj_get_group(list); - if(lv_list_get_next_btn(list, NULL) == btn && lv_group_get_focused(g) == list) { - lv_list_focus_btn(list, btn); - } - } -#endif - - lv_obj_clear_protect(scrl, LV_PROTECT_CHILD_CHG); - lv_obj_clear_protect(btn, LV_PROTECT_CHILD_CHG); - btn->signal_cb(btn, LV_SIGNAL_CHILD_CHG, NULL); - - lv_obj_set_pos(list, pos_x_ori, pos_y_ori); - - return btn; -} - -/** - * Remove the index of the button in the list - * @param list pointer to a list object - * @param index pointer to a the button's index in the list, index must be 0 <= index < - * lv_list_ext_t.size - * @return true: successfully deleted - */ -bool lv_list_remove(const lv_obj_t * list, uint16_t index) -{ - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - - lv_list_ext_t * ext = lv_obj_get_ext_attr(list); - uint16_t count = 0; - lv_obj_t * e = lv_list_get_next_btn(list, NULL); - while(e != NULL) { - if(count == index) { -#if LV_USE_GROUP - if(e == ext->last_sel_btn) ext->last_sel_btn = NULL; -#endif - if(e == ext->act_sel_btn) ext->act_sel_btn = NULL; - - lv_obj_del(e); - return true; - } - e = lv_list_get_next_btn(list, e); - count++; - } - return false; -} - -/*===================== - * Setter functions - *====================*/ - -/** - * Make a button selected - * @param list pointer to a list object - * @param btn pointer to a button to select - * NULL to not select any buttons - */ -void lv_list_focus_btn(lv_obj_t * list, lv_obj_t * btn) -{ - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - if(btn) { - LV_ASSERT_OBJ(btn, "lv_btn"); - } - - lv_list_ext_t * ext = lv_obj_get_ext_attr(list); - - /*Defocus the current button*/ - if(ext->act_sel_btn) lv_obj_clear_state(ext->act_sel_btn, LV_STATE_FOCUSED); - -#if LV_USE_GROUP - /*Don't forget which button was selected. - * It will be restored when the list is focused again.*/ - if(btn) ext->last_sel_btn = btn; -#endif - - /*Focus the new button*/ - ext->act_sel_btn = btn; - - if(ext->act_sel_btn) { - lv_obj_add_state(ext->act_sel_btn, LV_STATE_FOCUSED); - lv_page_focus(list, ext->act_sel_btn, LV_ANIM_ON); - } -} - -/** - * Set layout of a list - * @param list pointer to a list object - * @param layout which layout should be used - */ -void lv_list_set_layout(lv_obj_t * list, lv_layout_t layout) -{ - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - - /* Update list layout if necessary */ - if(layout == lv_list_get_layout(list)) return; - - /* Get the first button on the list */ - lv_obj_t * btn = lv_list_get_prev_btn(list, NULL); - - /* Visit all buttons on the list and update their layout */ - while(btn != NULL) { - /*If a column layout set the buttons' width to list width*/ - if(layout == LV_LAYOUT_COLUMN_MID || layout == LV_LAYOUT_COLUMN_LEFT || layout == LV_LAYOUT_COLUMN_RIGHT) { - lv_btn_set_fit2(btn, LV_FIT_PARENT, LV_FIT_TIGHT); - } - /*If a row layout set the buttons' width according to the content*/ - else if(layout == LV_LAYOUT_ROW_MID || layout == LV_LAYOUT_ROW_TOP || layout == LV_LAYOUT_ROW_BOTTOM) { - lv_btn_set_fit(btn, LV_FIT_TIGHT); - } - - btn = lv_list_get_prev_btn(list, btn); - } - - if(layout == LV_LAYOUT_COLUMN_MID || layout == LV_LAYOUT_COLUMN_LEFT || layout == LV_LAYOUT_COLUMN_RIGHT) { - lv_page_set_scrollable_fit2(list, LV_FIT_PARENT, LV_FIT_TIGHT); - } - else if(layout == LV_LAYOUT_ROW_MID || layout == LV_LAYOUT_ROW_TOP || layout == LV_LAYOUT_ROW_BOTTOM) { - lv_page_set_scrollable_fit2(list, LV_FIT_TIGHT, LV_FIT_TIGHT); - lv_cont_set_fit2(list, LV_FIT_NONE, LV_FIT_TIGHT); - } - - lv_page_set_scrl_layout(list, layout); -} - -/*===================== - * Getter functions - *====================*/ - -/** - * Get the text of a list element - * @param btn pointer to list element - * @return pointer to the text - */ -const char * lv_list_get_btn_text(const lv_obj_t * btn) -{ - LV_ASSERT_OBJ(btn, "lv_btn"); - - lv_obj_t * label = lv_list_get_btn_label(btn); - if(label == NULL) return ""; - return lv_label_get_text(label); -} - -/** - * Get the label object from a list element - * @param btn pointer to a list element (button) - * @return pointer to the label from the list element or NULL if not found - */ -lv_obj_t * lv_list_get_btn_label(const lv_obj_t * btn) -{ - LV_ASSERT_OBJ(btn, "lv_btn"); - - lv_obj_t * label = lv_obj_get_child_back(btn, NULL); - if(label == NULL) return NULL; - - while(lv_list_is_list_label(label) == false) { - label = lv_obj_get_child_back(btn, label); - if(label == NULL) break; - } - - return label; -} - -/** - * Get the image object from a list element - * @param btn pointer to a list element (button) - * @return pointer to the image from the list element or NULL if not found - */ -lv_obj_t * lv_list_get_btn_img(const lv_obj_t * btn) -{ - LV_ASSERT_OBJ(btn, "lv_btn"); - -#if LV_USE_IMG != 0 - lv_obj_t * img = lv_obj_get_child_back(btn, NULL); - if(img == NULL) return NULL; - - while(lv_list_is_list_img(img) == false) { - img = lv_obj_get_child_back(btn, img); - if(img == NULL) break; - } - - return img; -#else - return NULL; -#endif -} - -/** - * Get the previous button from list. (Starts from the bottom button) - * @param list pointer to a list object - * @param prev_btn pointer to button. Search the previous before it. - * @return pointer to the previous button or NULL when no more buttons - */ -lv_obj_t * lv_list_get_prev_btn(const lv_obj_t * list, lv_obj_t * prev_btn) -{ - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - - /* Not a good practice but user can add/create objects to the lists manually. - * When getting the next button try to be sure that it is at least a button */ - - lv_obj_t * btn; - lv_obj_t * scrl = lv_page_get_scrollable(list); - - btn = lv_obj_get_child(scrl, prev_btn); - if(btn == NULL) return NULL; - - while(lv_list_is_list_btn(btn) == false) { - btn = lv_obj_get_child(scrl, btn); - if(btn == NULL) break; - } - - return btn; -} - -/** - * Get the next button from list. (Starts from the top button) - * @param list pointer to a list object - * @param prev_btn pointer to button. Search the next after it. - * @return pointer to the next button or NULL when no more buttons - */ -lv_obj_t * lv_list_get_next_btn(const lv_obj_t * list, lv_obj_t * prev_btn) -{ - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - - /* Not a good practice but user can add/create objects to the lists manually. - * When getting the next button try to be sure that it is at least a button */ - - lv_obj_t * btn; - lv_obj_t * scrl = lv_page_get_scrollable(list); - - btn = lv_obj_get_child_back(scrl, prev_btn); - if(btn == NULL) return NULL; - - while(lv_list_is_list_btn(btn) == false) { - btn = lv_obj_get_child_back(scrl, btn); - if(btn == NULL) break; - } - - return btn; -} - -/** - * Get the index of the button in the list - * @param list pointer to a list object. If NULL, assumes btn is part of a list. - * @param btn pointer to a list element (button) - * @return the index of the button in the list, or -1 of the button not in this list - */ -int32_t lv_list_get_btn_index(const lv_obj_t * list, const lv_obj_t * btn) -{ - LV_ASSERT_OBJ(btn, "lv_btn"); - - int index = 0; - if(list == NULL) { - /* no list provided, assuming btn is part of a list */ - list = lv_obj_get_parent(lv_obj_get_parent(btn)); - } - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - - lv_obj_t * e = lv_list_get_next_btn(list, NULL); - while(e != NULL) { - if(e == btn) { - return index; - } - index++; - e = lv_list_get_next_btn(list, e); - } - return -1; -} - -/** - * Get the number of buttons in the list - * @param list pointer to a list object - * @return the number of buttons in the list - */ -uint16_t lv_list_get_size(const lv_obj_t * list) -{ - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - - uint16_t size = 0; - lv_obj_t * btn = lv_list_get_next_btn(list, NULL); - while(btn) { - size++; - btn = lv_list_get_next_btn(list, btn); - } - return size; -} - -#if LV_USE_GROUP -/** - * Get the currently selected button - * @param list pointer to a list object - * @return pointer to the selected button - */ -lv_obj_t * lv_list_get_btn_selected(const lv_obj_t * list) -{ - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - - lv_list_ext_t * ext = lv_obj_get_ext_attr(list); - return ext->act_sel_btn; -} -#endif - -/** - * Get layout of a list - * @param list pointer to a list object - * @return layout of the list object - */ -lv_layout_t lv_list_get_layout(lv_obj_t * list) -{ - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - - return lv_page_get_scrl_layout(list); -} - -/*===================== - * Other functions - *====================*/ - -/** - * Move the list elements up by one - * @param list pointer a to list object - */ -void lv_list_up(const lv_obj_t * list) -{ - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - - /*Search the first list element which 'y' coordinate is below the parent - * and position the list to show this element on the bottom*/ - lv_obj_t * scrl = lv_page_get_scrollable(list); - lv_obj_t * e; - lv_obj_t * e_prev = NULL; - - e = lv_list_get_prev_btn(list, NULL); - while(e != NULL) { - if(e->coords.y2 <= list->coords.y2) { - if(e_prev != NULL) { - lv_coord_t new_y = lv_obj_get_height(list) - (lv_obj_get_y(e_prev) + lv_obj_get_height(e_prev)); - if(lv_list_get_anim_time(list) == 0) { - lv_obj_set_y(scrl, new_y); - } - else { -#if LV_USE_ANIMATION - lv_anim_t a; - lv_anim_init(&a); - lv_anim_set_var(&a, scrl); - lv_anim_set_exec_cb(&a, (lv_anim_exec_xcb_t)lv_obj_set_y); - lv_anim_set_values(&a, lv_obj_get_y(scrl), new_y); - lv_anim_set_time(&a, LV_LIST_DEF_ANIM_TIME); - lv_anim_start(&a); -#endif - } - } - break; - } - e_prev = e; - e = lv_list_get_prev_btn(list, e); - } -} - -/** - * Move the list elements down by one - * @param list pointer to a list object - */ -void lv_list_down(const lv_obj_t * list) -{ - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - - /*Search the first list element which 'y' coordinate is above the parent - * and position the list to show this element on the top*/ - lv_obj_t * scrl = lv_page_get_scrollable(list); - lv_obj_t * e; - e = lv_list_get_prev_btn(list, NULL); - while(e != NULL) { - if(e->coords.y1 < list->coords.y1) { - lv_coord_t new_y = -lv_obj_get_y(e); - if(lv_list_get_anim_time(list) == 0) { - lv_obj_set_y(scrl, new_y); - } - else { -#if LV_USE_ANIMATION - lv_anim_t a; - lv_anim_init(&a); - lv_anim_set_var(&a, scrl); - lv_anim_set_exec_cb(&a, (lv_anim_exec_xcb_t)lv_obj_set_y); - lv_anim_set_values(&a, lv_obj_get_y(scrl), new_y); - lv_anim_set_time(&a, LV_LIST_DEF_ANIM_TIME); - lv_anim_start(&a); -#endif - } - break; - } - e = lv_list_get_prev_btn(list, e); - } -} - -/** - * Focus on a list button. It ensures that the button will be visible on the list. - * @param btn pointer to a list button to focus - * @param anim_en LV_ANIM_ON: scroll with animation, LV_ANOM_OFF: without animation - */ -void lv_list_focus(const lv_obj_t * btn, lv_anim_enable_t anim) -{ - LV_ASSERT_OBJ(btn, ""); - -#if LV_USE_ANIMATION == 0 - anim = false; -#endif - - lv_obj_t * list = lv_obj_get_parent(lv_obj_get_parent(btn)); - - lv_page_focus(list, btn, anim == LV_ANIM_OFF ? 0 : lv_list_get_anim_time(list)); -} - -/********************** - * STATIC FUNCTIONS - **********************/ - -/** - * Signal function of the list - * @param list pointer to a list object - * @param sign a signal type from lv_signal_t enum - * @param param pointer to a signal specific variable - * @return LV_RES_OK: the object is not deleted in the function; LV_RES_INV: the object is deleted - */ -static lv_res_t lv_list_signal(lv_obj_t * list, lv_signal_t sign, void * param) -{ - lv_res_t res; - if(sign == LV_SIGNAL_GET_STYLE) { - lv_get_style_info_t * info = param; - info->result = lv_list_get_style(list, info->part); - if(info->result != NULL) return LV_RES_OK; - else return ancestor_page_signal(list, sign, param); - } - - /* Include the ancient signal function */ - res = ancestor_page_signal(list, sign, param); - if(res != LV_RES_OK) return res; - if(sign == LV_SIGNAL_GET_TYPE) return lv_obj_handle_get_type_signal(param, LV_OBJX_NAME); - - if(sign == LV_SIGNAL_RELEASED || sign == LV_SIGNAL_PRESSED || sign == LV_SIGNAL_PRESSING || - sign == LV_SIGNAL_LONG_PRESS || sign == LV_SIGNAL_LONG_PRESS_REP) { -#if LV_USE_GROUP - /*If pressed/released etc by a KEYPAD or ENCODER delegate signal and events to the button*/ - lv_indev_t * indev = lv_indev_get_act(); - lv_indev_type_t indev_type = lv_indev_get_type(indev); - if(indev_type == LV_INDEV_TYPE_KEYPAD || - (indev_type == LV_INDEV_TYPE_ENCODER && lv_group_get_editing(lv_obj_get_group(list)))) { - lv_list_ext_t * ext = lv_obj_get_ext_attr(list); - - /*The page receives the key presses so the events should be propagated to the selected - * button*/ - if(ext->act_sel_btn) { - res = lv_signal_send(ext->act_sel_btn, sign, param); - if(res != LV_RES_OK) return res; - if(sign == LV_SIGNAL_PRESSED) { - res = lv_event_send(ext->act_sel_btn, LV_EVENT_PRESSED, NULL); - if(res != LV_RES_OK) return res; - } - else if(sign == LV_SIGNAL_PRESSING) { - res = lv_event_send(ext->act_sel_btn, LV_EVENT_PRESSING, NULL); - if(res != LV_RES_OK) return res; - } - else if(sign == LV_SIGNAL_LONG_PRESS) { - res = lv_event_send(ext->act_sel_btn, LV_EVENT_LONG_PRESSED, NULL); - if(res != LV_RES_OK) return res; - } - else if(sign == LV_SIGNAL_LONG_PRESS_REP) { - res = lv_event_send(ext->act_sel_btn, LV_EVENT_LONG_PRESSED_REPEAT, NULL); - if(res != LV_RES_OK) return res; - } - else if(sign == LV_SIGNAL_RELEASED) { - if(indev->proc.long_pr_sent == 0) { - res = lv_event_send(ext->act_sel_btn, LV_EVENT_SHORT_CLICKED, NULL); - if(res != LV_RES_OK) return res; - } - if(lv_indev_is_dragging(indev) == false) { - res = lv_event_send(ext->act_sel_btn, LV_EVENT_CLICKED, NULL); - if(res != LV_RES_OK) return res; - } - - res = lv_event_send(ext->act_sel_btn, LV_EVENT_RELEASED, NULL); - if(res != LV_RES_OK) return res; - } - } - } -#endif - } - else if(sign == LV_SIGNAL_FOCUS) { - -#if LV_USE_GROUP - lv_indev_type_t indev_type = lv_indev_get_type(lv_indev_get_act()); - /*With ENCODER focus the button only in edit mode*/ - lv_group_t * g = lv_obj_get_group(list); - if((indev_type == LV_INDEV_TYPE_KEYPAD) || - (indev_type == LV_INDEV_TYPE_ENCODER && lv_group_get_editing(g))) { - lv_list_ext_t * ext = lv_obj_get_ext_attr(list); - /* Select the last used button, or use the first no last button */ - if(ext->last_sel_btn) lv_list_focus_btn(list, ext->last_sel_btn); - else lv_list_focus_btn(list, lv_list_get_next_btn(list, NULL)); - } - if(indev_type == LV_INDEV_TYPE_ENCODER && lv_group_get_editing(g) == false) { - lv_list_ext_t * ext = lv_obj_get_ext_attr(list); - if(ext->act_sel_btn) lv_obj_clear_state(ext->act_sel_btn, LV_STATE_PRESSED); - if(ext->last_sel_btn) lv_obj_clear_state(ext->last_sel_btn, LV_STATE_PRESSED); - } -#endif - } - else if(sign == LV_SIGNAL_DEFOCUS) { - -#if LV_USE_GROUP - /*De-select the selected btn*/ - lv_list_focus_btn(list, NULL); - lv_list_ext_t * ext = lv_obj_get_ext_attr(list); - ext->act_sel_btn = NULL; -#endif - } - else if(sign == LV_SIGNAL_GET_EDITABLE) { -#if LV_USE_GROUP - bool * editable = (bool *)param; - *editable = true; -#endif - } - else if(sign == LV_SIGNAL_CONTROL) { - -#if LV_USE_GROUP - char c = *((char *)param); - if(c == LV_KEY_RIGHT || c == LV_KEY_DOWN) { - lv_list_ext_t * ext = lv_obj_get_ext_attr(list); - /*If there is a valid selected button the make the previous selected*/ - if(ext->act_sel_btn) { - lv_obj_t * btn_prev = lv_list_get_next_btn(list, ext->act_sel_btn); - if(btn_prev) lv_list_focus_btn(list, btn_prev); - } - /*If there is no selected button the make the first selected*/ - else { - lv_obj_t * btn = lv_list_get_next_btn(list, NULL); - if(btn) - lv_list_focus_btn(list, - btn); /*If there are no buttons on the list then there is no first button*/ - } - } - else if(c == LV_KEY_LEFT || c == LV_KEY_UP) { - lv_list_ext_t * ext = lv_obj_get_ext_attr(list); - /*If there is a valid selected button the make the next selected*/ - if(ext->act_sel_btn != NULL) { - lv_obj_t * btn_next = lv_list_get_prev_btn(list, ext->act_sel_btn); - if(btn_next) lv_list_focus_btn(list, btn_next); - } - /*If there is no selected button the make the first selected*/ - else { - lv_obj_t * btn = lv_list_get_next_btn(list, NULL); - if(btn) lv_list_focus_btn(list, btn); - } - } - else if(c == LV_KEY_ESC) { - lv_list_ext_t * ext = lv_obj_get_ext_attr(list); - /* Handle ESC/Cancel event */ - res = lv_event_send(ext->act_sel_btn, LV_EVENT_CANCEL, NULL); - } -#endif - } - return res; -} - -/** - * Signal function of the list buttons - * @param btn pointer to a button on the list - * @param sign a signal type from lv_signal_t enum - * @param param pointer to a signal specific variable - * @return LV_RES_OK: the object is not deleted in the function; LV_RES_INV: the object is deleted - */ -static lv_res_t lv_list_btn_signal(lv_obj_t * btn, lv_signal_t sign, void * param) -{ - lv_res_t res; - - /* Include the ancient signal function */ - res = ancestor_btn_signal(btn, sign, param); - if(res != LV_RES_OK) return res; - if(sign == LV_SIGNAL_GET_TYPE) return lv_obj_handle_get_type_signal(param, ""); - - if((sign == LV_SIGNAL_COORD_CHG && (lv_obj_get_width(btn) != lv_area_get_width(param) || - lv_obj_get_height(btn) != lv_area_get_height(param))) || - sign == LV_SIGNAL_STYLE_CHG) { - lv_obj_t * label = lv_list_get_btn_label(btn); - if(label) { - const lv_font_t * font = lv_obj_get_style_text_font(label, LV_LABEL_PART_MAIN); - lv_coord_t font_h = lv_font_get_line_height(font); - if(lv_obj_get_base_dir(btn) == LV_BIDI_DIR_RTL) { - lv_coord_t pad = lv_obj_get_style_pad_left(btn, LV_BTN_PART_MAIN); - lv_obj_set_size(label, label->coords.x2 - btn->coords.x1 - pad, font_h); - } - else { - lv_coord_t pad = lv_obj_get_style_pad_right(btn, LV_BTN_PART_MAIN); - lv_obj_set_size(label, btn->coords.x2 - label->coords.x1 - pad + 1, font_h); - } - } - } - else if(sign == LV_SIGNAL_RELEASED) { - if(lv_indev_is_dragging(lv_indev_get_act()) == false) { - lv_obj_t * list = lv_obj_get_parent(lv_obj_get_parent(btn)); - lv_list_focus_btn(list, btn); -#if LV_USE_GROUP - if(lv_obj_get_group(list)) { - lv_group_focus_obj(list); - } -#endif - } - } - else if(sign == LV_SIGNAL_CLEANUP) { -#if LV_USE_GROUP - lv_obj_t * list = lv_obj_get_parent(lv_obj_get_parent(btn)); - lv_list_ext_t * ext = lv_obj_get_ext_attr(list); - lv_obj_t * sel = lv_list_get_btn_selected(list); - if(sel == btn) lv_list_focus_btn(list, lv_list_get_next_btn(list, btn)); - if(ext->last_sel_btn == btn) ext->last_sel_btn = NULL; -#endif - } - - return res; -} - -/** - * Get the style descriptor of a part of the object - * @param list pointer the object - * @param part the part from `lv_page_list_t`. (LV_LIST_PART_...) - * @return pointer to the style descriptor of the specified part - */ -static lv_style_list_t * lv_list_get_style(lv_obj_t * list, uint8_t part) -{ - LV_ASSERT_OBJ(list, LV_OBJX_NAME); - - lv_list_ext_t * ext = lv_obj_get_ext_attr(list); - lv_style_list_t * style_dsc_p; - - switch(part) { - case LV_LIST_PART_BG: - style_dsc_p = &list->style_list; - break; - case LV_LIST_PART_SCROLLABLE: - style_dsc_p = &ext->page.scrl->style_list; - break; - case LV_LIST_PART_SCROLLBAR: - style_dsc_p = &ext->page.scrlbar.style; - break; -#if LV_USE_ANIMATION - case LV_LIST_PART_EDGE_FLASH: - style_dsc_p = &ext->page.edge_flash.style; - break; -#endif - default: - style_dsc_p = NULL; - } - - return style_dsc_p; -} - -/** - * Check if this is really a list button or another object. - * @param list_btn List button - */ -static bool lv_list_is_list_btn(lv_obj_t * list_btn) -{ - lv_obj_type_t type; - - lv_obj_get_type(list_btn, &type); - uint8_t cnt; - for(cnt = 0; cnt < LV_MAX_ANCESTOR_NUM; cnt++) { - if(type.type[cnt] == NULL) break; - if(!strcmp(type.type[cnt], "lv_btn")) return true; - } - return false; -} - -/** - * Check if this is really a list label or another object. - * @param list_label List label - */ -static bool lv_list_is_list_label(lv_obj_t * list_label) -{ - lv_obj_type_t type; - - lv_obj_get_type(list_label, &type); - uint8_t cnt; - for(cnt = 0; cnt < LV_MAX_ANCESTOR_NUM; cnt++) { - if(type.type[cnt] == NULL) break; - if(!strcmp(type.type[cnt], "lv_label")) return true; - } - return false; -} - -/** - * Check if this is really a list image or another object. - * @param list_image List image - */ -static bool lv_list_is_list_img(lv_obj_t * list_img) -{ - lv_obj_type_t type; - - lv_obj_get_type(list_img, &type); - uint8_t cnt; - for(cnt = 0; cnt < LV_MAX_ANCESTOR_NUM; cnt++) { - if(type.type[cnt] == NULL) break; - if(!strcmp(type.type[cnt], "lv_img")) return true; - } - return false; -} - -#endif |