diff options
Diffstat (limited to 'src/libs/lvgl/src/lv_widgets/lv_cont.c')
| m--------- | src/libs/lvgl | 0 | ||||
| -rw-r--r-- | src/libs/lvgl/src/lv_widgets/lv_cont.c | 817 |
2 files changed, 0 insertions, 817 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_cont.c b/src/libs/lvgl/src/lv_widgets/lv_cont.c deleted file mode 100644 index 679576a..0000000 --- a/src/libs/lvgl/src/lv_widgets/lv_cont.c +++ /dev/null @@ -1,817 +0,0 @@ -/** - * @file lv_cont.c - * - */ - -/********************* - * INCLUDES - *********************/ - -#include "lv_cont.h" -#if LV_USE_CONT != 0 - -#include <stdbool.h> -#include <stdint.h> -#include <string.h> - -#include "../lv_misc/lv_debug.h" -#include "../lv_draw/lv_draw.h" -#include "../lv_draw/lv_draw_mask.h" -#include "../lv_themes/lv_theme.h" -#include "../lv_misc/lv_area.h" -#include "../lv_misc/lv_color.h" -#include "../lv_misc/lv_math.h" - -/********************* - * DEFINES - *********************/ -#define LV_OBJX_NAME "lv_cont" - -#ifndef LV_LAYOUT_MAX_RECURSION - #define LV_LAYOUT_MAX_RECURSION 10 -#endif - -/********************** - * TYPEDEFS - **********************/ - -/********************** - * STATIC PROTOTYPES - **********************/ -static lv_res_t lv_cont_signal(lv_obj_t * cont, lv_signal_t sign, void * param); -static lv_style_list_t * lv_cont_get_style(lv_obj_t * cont, uint8_t type); -static void lv_cont_refr_layout(lv_obj_t * cont); -static void lv_cont_layout_col(lv_obj_t * cont); -static void lv_cont_layout_row(lv_obj_t * cont); -static void lv_cont_layout_center(lv_obj_t * cont); -static void lv_cont_layout_pretty(lv_obj_t * cont); -static void lv_cont_layout_grid(lv_obj_t * cont); -static void lv_cont_refr_autofit(lv_obj_t * cont); - -/********************** - * STATIC VARIABLES - **********************/ -static lv_design_cb_t ancestor_design; -static lv_signal_cb_t ancestor_signal; - -/********************** - * MACROS - **********************/ - -/********************** - * GLOBAL FUNCTIONS - **********************/ - -/** - * Create a container objects - * @param par pointer to an object, it will be the parent of the new container - * @param copy pointer to a container object, if not NULL then the new object will be copied from it - * @return pointer to the created container - */ -lv_obj_t * lv_cont_create(lv_obj_t * par, const lv_obj_t * copy) -{ - - LV_LOG_TRACE("container create started"); - - /*Create a basic object*/ - lv_obj_t * cont = lv_obj_create(par, copy); - LV_ASSERT_MEM(cont); - if(cont == NULL) return NULL; - - if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_cb(cont); - if(ancestor_design == NULL) ancestor_design = lv_obj_get_design_cb(cont); - - lv_obj_allocate_ext_attr(cont, sizeof(lv_cont_ext_t)); - lv_cont_ext_t * ext = lv_obj_get_ext_attr(cont); - if(ext == NULL) { - lv_obj_del(cont); - return NULL; - } - - LV_ASSERT_MEM(ext); - ext->fit_left = LV_FIT_NONE; - ext->fit_right = LV_FIT_NONE; - ext->fit_top = LV_FIT_NONE; - ext->fit_bottom = LV_FIT_NONE; - ext->layout = LV_LAYOUT_OFF; - - lv_obj_set_signal_cb(cont, lv_cont_signal); - - /*Init the new container*/ - if(copy == NULL) { - /*Set the default styles if it's not screen*/ - if(par != NULL) { - lv_theme_apply(cont, LV_THEME_CONT); - } - - } - /*Copy an existing object*/ - else { - lv_cont_ext_t * copy_ext = lv_obj_get_ext_attr(copy); - ext->fit_left = copy_ext->fit_left; - ext->fit_right = copy_ext->fit_right; - ext->fit_top = copy_ext->fit_top; - ext->fit_bottom = copy_ext->fit_bottom; - ext->layout = copy_ext->layout; - - /*Refresh the style with new signal function*/ - lv_obj_refresh_style(cont, LV_OBJ_PART_ALL, LV_STYLE_PROP_ALL); - } - - LV_LOG_INFO("container created"); - - return cont; -} - -/*===================== - * Setter functions - *====================*/ - -/** - * Set a layout on a container - * @param cont pointer to a container object - * @param layout a layout from 'lv_cont_layout_t' - */ -void lv_cont_set_layout(lv_obj_t * cont, lv_layout_t layout) -{ - LV_ASSERT_OBJ(cont, LV_OBJX_NAME); - - lv_cont_ext_t * ext = lv_obj_get_ext_attr(cont); - if(ext->layout == layout) return; - - ext->layout = layout; - - /*Send a signal to refresh the layout*/ - cont->signal_cb(cont, LV_SIGNAL_CHILD_CHG, NULL); -} - -/** - * Set the fit policy in all 4 directions separately. - * It tell how to change the container's size automatically. - * @param cont pointer to a container object - * @param left left fit policy from `lv_fit_t` - * @param right right fit policy from `lv_fit_t` - * @param top bottom fit policy from `lv_fit_t` - * @param bottom bottom fit policy from `lv_fit_t` - */ -void lv_cont_set_fit4(lv_obj_t * cont, lv_fit_t left, lv_fit_t right, lv_fit_t top, lv_fit_t bottom) -{ - LV_ASSERT_OBJ(cont, LV_OBJX_NAME); - - lv_obj_invalidate(cont); - lv_cont_ext_t * ext = lv_obj_get_ext_attr(cont); - if(ext->fit_left == left && ext->fit_right == right && ext->fit_top == top && ext->fit_bottom == bottom) { - return; - } - - ext->fit_left = left; - ext->fit_right = right; - ext->fit_top = top; - ext->fit_bottom = bottom; - - /*Send a signal to refresh the layout*/ - cont->signal_cb(cont, LV_SIGNAL_CHILD_CHG, NULL); -} - -/*===================== - * Getter functions - *====================*/ - -/** - * Get the layout of a container - * @param cont pointer to container object - * @return the layout from 'lv_cont_layout_t' - */ -lv_layout_t lv_cont_get_layout(const lv_obj_t * cont) -{ - LV_ASSERT_OBJ(cont, LV_OBJX_NAME); - - lv_cont_ext_t * ext = lv_obj_get_ext_attr(cont); - return ext->layout; -} - -/** - * Get left fit mode of a container - * @param cont pointer to a container object - * @return an element of `lv_fit_t` - */ -lv_fit_t lv_cont_get_fit_left(const lv_obj_t * cont) -{ - LV_ASSERT_OBJ(cont, LV_OBJX_NAME); - - lv_cont_ext_t * ext = lv_obj_get_ext_attr(cont); - return ext->fit_left; -} - -/** - * Get right fit mode of a container - * @param cont pointer to a container object - * @return an element of `lv_fit_t` - */ -lv_fit_t lv_cont_get_fit_right(const lv_obj_t * cont) -{ - LV_ASSERT_OBJ(cont, LV_OBJX_NAME); - - lv_cont_ext_t * ext = lv_obj_get_ext_attr(cont); - return ext->fit_right; -} - -/** - * Get top fit mode of a container - * @param cont pointer to a container object - * @return an element of `lv_fit_t` - */ -lv_fit_t lv_cont_get_fit_top(const lv_obj_t * cont) -{ - LV_ASSERT_OBJ(cont, LV_OBJX_NAME); - - lv_cont_ext_t * ext = lv_obj_get_ext_attr(cont); - return ext->fit_top; -} - -/** - * Get bottom fit mode of a container - * @param cont pointer to a container object - * @return an element of `lv_fit_t` - */ -lv_fit_t lv_cont_get_fit_bottom(const lv_obj_t * cont) -{ - LV_ASSERT_OBJ(cont, LV_OBJX_NAME); - - lv_cont_ext_t * ext = lv_obj_get_ext_attr(cont); - return ext->fit_bottom; -} - -/********************** - * STATIC FUNCTIONS - **********************/ - -/** - * Signal function of the container - * @param cont pointer to a container 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_cont_signal(lv_obj_t * cont, lv_signal_t sign, void * param) -{ - if(sign == LV_SIGNAL_GET_STYLE) { - lv_get_style_info_t * info = param; - info->result = lv_cont_get_style(cont, info->part); - if(info->result != NULL) return LV_RES_OK; - else return ancestor_signal(cont, sign, param); - } - - lv_res_t res; - - /* Include the ancient signal function */ - res = ancestor_signal(cont, 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_STYLE_CHG) { /*Recalculate the padding if the style changed*/ - lv_cont_refr_layout(cont); - lv_cont_refr_autofit(cont); - } - else if(sign == LV_SIGNAL_CHILD_CHG) { - lv_cont_refr_layout(cont); - lv_cont_refr_autofit(cont); - } - else if(sign == LV_SIGNAL_COORD_CHG) { - if(lv_obj_get_width(cont) != lv_area_get_width(param) || lv_obj_get_height(cont) != lv_area_get_height(param)) { - lv_cont_refr_layout(cont); - lv_cont_refr_autofit(cont); - } - } - else if(sign == LV_SIGNAL_PARENT_SIZE_CHG) { - /*MAX and EDGE fit needs to be refreshed if the parent's size has changed*/ - lv_cont_refr_autofit(cont); - } - - return res; -} - -static lv_style_list_t * lv_cont_get_style(lv_obj_t * cont, uint8_t type) -{ - lv_style_list_t * style_dsc_p; - switch(type) { - case LV_CONT_PART_MAIN: - style_dsc_p = &cont->style_list; - break; - default: - style_dsc_p = NULL; - } - - return style_dsc_p; -} - -/** - * Refresh the layout of a container - * @param cont pointer to an object which layout should be refreshed - */ -static void lv_cont_refr_layout(lv_obj_t * cont) -{ - if(lv_obj_is_protected(cont, LV_PROTECT_CHILD_CHG)) return; - lv_layout_t type = lv_cont_get_layout(cont); - - /*'cont' has to be at least 1 child*/ - if(lv_obj_get_child(cont, NULL) == NULL) return; - - if(type == LV_LAYOUT_OFF) return; - - if(type == LV_LAYOUT_CENTER) { - lv_cont_layout_center(cont); - } - else if(type == LV_LAYOUT_COLUMN_LEFT || type == LV_LAYOUT_COLUMN_MID || type == LV_LAYOUT_COLUMN_RIGHT) { - lv_cont_layout_col(cont); - } - else if(type == LV_LAYOUT_ROW_TOP || type == LV_LAYOUT_ROW_MID || type == LV_LAYOUT_ROW_BOTTOM) { - lv_cont_layout_row(cont); - } - else if(type == LV_LAYOUT_PRETTY_MID || type == LV_LAYOUT_PRETTY_TOP || type == LV_LAYOUT_PRETTY_BOTTOM) { - lv_cont_layout_pretty(cont); - } - else if(type == LV_LAYOUT_GRID) { - lv_cont_layout_grid(cont); - } -} - -/** - * Handle column type layouts - * @param cont pointer to an object which layout should be handled - */ -static void lv_cont_layout_col(lv_obj_t * cont) -{ - lv_coord_t left = lv_obj_get_style_pad_left(cont, LV_CONT_PART_MAIN); - lv_coord_t right = lv_obj_get_style_pad_right(cont, LV_CONT_PART_MAIN); - lv_coord_t top = lv_obj_get_style_pad_top(cont, LV_CONT_PART_MAIN); - lv_coord_t inner = lv_obj_get_style_pad_inner(cont, LV_CONT_PART_MAIN); - - lv_layout_t type = lv_cont_get_layout(cont); - lv_obj_t * child; - - /*Adjust margin and get the alignment type*/ - lv_align_t align; - lv_coord_t hpad_corr; - - switch(type) { - case LV_LAYOUT_COLUMN_LEFT: - hpad_corr = left; - align = LV_ALIGN_IN_TOP_LEFT; - break; - case LV_LAYOUT_COLUMN_MID: - hpad_corr = 0; - align = LV_ALIGN_IN_TOP_MID; - break; - case LV_LAYOUT_COLUMN_RIGHT: - hpad_corr = -right; - align = LV_ALIGN_IN_TOP_RIGHT; - break; - default: - hpad_corr = 0; - align = LV_ALIGN_IN_TOP_LEFT; - break; - } - - /* Disable child change action because the children will be moved a lot - * an unnecessary child change signals could be sent*/ - lv_obj_add_protect(cont, LV_PROTECT_CHILD_CHG); - /* Align the children */ - lv_coord_t last_cord = top; - _LV_LL_READ_BACK(cont->child_ll, child) { - if(lv_obj_get_hidden(child) != false || lv_obj_is_protected(child, LV_PROTECT_POS) != false) continue; - lv_style_int_t mtop = lv_obj_get_style_margin_top(child, LV_OBJ_PART_MAIN); - lv_style_int_t mbottom = lv_obj_get_style_margin_bottom(child, LV_OBJ_PART_MAIN); - lv_style_int_t mleft = lv_obj_get_style_margin_left(child, LV_OBJ_PART_MAIN); - lv_obj_align(child, cont, align, hpad_corr + mleft, last_cord + mtop); - last_cord += lv_obj_get_height(child) + inner + mtop + mbottom; - } - - lv_obj_clear_protect(cont, LV_PROTECT_CHILD_CHG); -} - -/** - * Handle row type layouts - * @param cont pointer to an object which layout should be handled - */ -static void lv_cont_layout_row(lv_obj_t * cont) -{ - - lv_layout_t type = lv_cont_get_layout(cont); - lv_obj_t * child; - - /*Adjust margin and get the alignment type*/ - lv_align_t align; - lv_coord_t vpad_corr; - lv_bidi_dir_t base_dir = lv_obj_get_base_dir(cont); - switch(type) { - case LV_LAYOUT_ROW_TOP: - vpad_corr = lv_obj_get_style_pad_top(cont, LV_CONT_PART_MAIN); - align = base_dir == LV_BIDI_DIR_RTL ? LV_ALIGN_IN_TOP_RIGHT : LV_ALIGN_IN_TOP_LEFT; - break; - case LV_LAYOUT_ROW_MID: - vpad_corr = 0; - align = base_dir == LV_BIDI_DIR_RTL ? LV_ALIGN_IN_RIGHT_MID : LV_ALIGN_IN_LEFT_MID; - break; - case LV_LAYOUT_ROW_BOTTOM: - vpad_corr = -lv_obj_get_style_pad_bottom(cont, LV_CONT_PART_MAIN); - align = base_dir == LV_BIDI_DIR_RTL ? LV_ALIGN_IN_BOTTOM_RIGHT : LV_ALIGN_IN_BOTTOM_LEFT; - break; - default: - vpad_corr = 0; - align = base_dir == LV_BIDI_DIR_RTL ? LV_ALIGN_IN_TOP_RIGHT : LV_ALIGN_IN_TOP_LEFT; - break; - } - - /* Disable child change action because the children will be moved a lot - * an unnecessary child change signals could be sent*/ - lv_obj_add_protect(cont, LV_PROTECT_CHILD_CHG); - - /* Align the children */ - lv_coord_t last_cord; - if(base_dir == LV_BIDI_DIR_RTL) last_cord = lv_obj_get_style_pad_right(cont, LV_CONT_PART_MAIN); - else last_cord = lv_obj_get_style_pad_left(cont, LV_CONT_PART_MAIN); - - lv_coord_t inner = lv_obj_get_style_pad_inner(cont, LV_CONT_PART_MAIN); - - _LV_LL_READ_BACK(cont->child_ll, child) { - if(lv_obj_get_hidden(child) != false || lv_obj_is_protected(child, LV_PROTECT_POS) != false) continue; - - if(base_dir == LV_BIDI_DIR_RTL) lv_obj_align(child, cont, align, -last_cord, vpad_corr); - else lv_obj_align(child, cont, align, last_cord, vpad_corr); - - last_cord += lv_obj_get_width(child) + inner; - } - - lv_obj_clear_protect(cont, LV_PROTECT_CHILD_CHG); -} - -/** - * Handle the center layout - * @param cont pointer to an object which layout should be handled - */ -static void lv_cont_layout_center(lv_obj_t * cont) -{ - lv_obj_t * child; - uint32_t obj_num = 0; - lv_coord_t h_tot = 0; - - lv_coord_t inner = lv_obj_get_style_pad_inner(cont, LV_CONT_PART_MAIN); - _LV_LL_READ(cont->child_ll, child) { - if(lv_obj_get_hidden(child) != false || lv_obj_is_protected(child, LV_PROTECT_POS) != false) continue; - h_tot += lv_obj_get_height(child) + inner; - obj_num++; - } - - if(obj_num == 0) return; - - h_tot -= inner; - - /* Disable child change action because the children will be moved a lot - * an unnecessary child change signals could be sent*/ - lv_obj_add_protect(cont, LV_PROTECT_CHILD_CHG); - - /* Align the children */ - lv_coord_t last_cord = -(h_tot / 2); - _LV_LL_READ_BACK(cont->child_ll, child) { - if(lv_obj_get_hidden(child) != false || lv_obj_is_protected(child, LV_PROTECT_POS) != false) continue; - - lv_obj_align(child, cont, LV_ALIGN_CENTER, 0, last_cord + lv_obj_get_height(child) / 2); - last_cord += lv_obj_get_height(child) + inner; - } - - lv_obj_clear_protect(cont, LV_PROTECT_CHILD_CHG); -} - -/** - * Handle the pretty layout. Put as many object as possible in row - * then begin a new row - * @param cont pointer to an object which layout should be handled - */ -static void lv_cont_layout_pretty(lv_obj_t * cont) -{ - lv_layout_t type = lv_cont_get_layout(cont); - - lv_obj_t * child_rs; /* Row starter child */ - lv_obj_t * child_rc; /* Row closer child */ - lv_obj_t * child_tmp; /* Temporary child */ - lv_coord_t w_obj = lv_obj_get_width(cont); - lv_coord_t act_y = lv_obj_get_style_pad_top(cont, LV_CONT_PART_MAIN); - /* Disable child change action because the children will be moved a lot - * an unnecessary child change signals could be sent*/ - - child_rs = _lv_ll_get_tail(&cont->child_ll); /*Set the row starter child*/ - if(child_rs == NULL) return; /*Return if no child*/ - - lv_obj_add_protect(cont, LV_PROTECT_CHILD_CHG); - lv_coord_t pleft = lv_obj_get_style_pad_left(cont, LV_CONT_PART_MAIN); - lv_coord_t pright = lv_obj_get_style_pad_right(cont, LV_CONT_PART_MAIN); - lv_coord_t pinner = lv_obj_get_style_pad_inner(cont, LV_CONT_PART_MAIN); - - child_rc = child_rs; /*Initially the row starter and closer is the same*/ - while(child_rs != NULL) { - lv_coord_t h_row = 0; - lv_coord_t w_row = pleft + pright; /*The width is at least the left+right pad*/ - uint32_t obj_num = 0; - - /*Find the row closer object and collect some data*/ - do { - if(lv_obj_get_hidden(child_rc) == false && lv_obj_is_protected(child_rc, LV_PROTECT_POS) == false) { - /*If this object is already not fit then break*/ - lv_coord_t w = lv_obj_get_width(child_rc); - w += lv_obj_get_style_margin_left(child_rc, LV_OBJ_PART_MAIN); - w += lv_obj_get_style_margin_right(child_rc, LV_OBJ_PART_MAIN); - if(w_row + w > w_obj) { - /*Step back one child because the last already not fit, so the previous is the - * closer*/ - if(child_rc != NULL && obj_num != 0) { - child_rc = _lv_ll_get_next(&cont->child_ll, child_rc); - } - break; - } - w_row += w + pinner; /*Add the object width + inner padding*/ - - lv_coord_t h = lv_obj_get_height(child_rc); - h += lv_obj_get_style_margin_top(child_rc, LV_OBJ_PART_MAIN); - h += lv_obj_get_style_margin_bottom(child_rc, LV_OBJ_PART_MAIN); - h_row = LV_MATH_MAX(h_row, h); /*Search the highest object*/ - obj_num++; - if(lv_obj_is_protected(child_rc, LV_PROTECT_FOLLOW)) - break; /*If can not be followed by an other object then break here*/ - } - child_rc = _lv_ll_get_prev(&cont->child_ll, child_rc); /*Load the next object*/ - if(obj_num == 0) - child_rs = child_rc; /*If the first object was hidden (or too long) then set the - next as first */ - } while(child_rc != NULL); - - /*If the object is too long then align it to the middle*/ - if(obj_num == 0) { - if(child_rc != NULL) { - lv_style_int_t mtop = lv_obj_get_style_margin_top(child_rc, LV_OBJ_PART_MAIN); - - lv_obj_align(child_rc, cont, LV_ALIGN_IN_TOP_MID, 0, act_y + mtop); - h_row = lv_obj_get_height(child_rc); /*Not set previously because of the early break*/ - h_row += mtop; - h_row += lv_obj_get_style_margin_bottom(child_rc, LV_OBJ_PART_MAIN); - } - } - /*If there is only one object in the row then align it to the middle*/ - else if(obj_num == 1) { - lv_obj_align(child_rs, cont, LV_ALIGN_IN_TOP_MID, - 0, - act_y + lv_obj_get_style_margin_top(child_rs, LV_OBJ_PART_MAIN)); - } - /* Align the children (from child_rs to child_rc)*/ - else { - w_row -= pinner * obj_num; - lv_coord_t new_pinner = (w_obj - w_row) / (obj_num - 1); - lv_coord_t act_x = pleft; /*x init*/ - child_tmp = child_rs; - lv_align_t align; - int32_t inv; - if(lv_obj_get_base_dir(cont) == LV_BIDI_DIR_RTL) { - align = LV_ALIGN_IN_TOP_RIGHT; - inv = -1; - } - else { - align = LV_ALIGN_IN_TOP_LEFT; - inv = 1; - } - while(child_tmp != NULL) { - if(lv_obj_get_hidden(child_tmp) == false && lv_obj_is_protected(child_tmp, LV_PROTECT_POS) == false) { - lv_coord_t mleft = lv_obj_get_style_margin_left(child_tmp, LV_OBJ_PART_MAIN); - lv_coord_t mright = lv_obj_get_style_margin_right(child_tmp, LV_OBJ_PART_MAIN); - switch(type) { - case LV_LAYOUT_PRETTY_TOP: - lv_obj_align(child_tmp, cont, align, - inv * (act_x + mleft), - act_y + lv_obj_get_style_margin_top(child_tmp, LV_OBJ_PART_MAIN)); - break; - case LV_LAYOUT_PRETTY_MID: - lv_obj_align(child_tmp, cont, align, - inv * (act_x + mleft), - act_y + (h_row - lv_obj_get_height(child_tmp)) / 2); - - break; - case LV_LAYOUT_PRETTY_BOTTOM: - lv_obj_align(child_tmp, cont, align, - inv * (act_x + mleft), - act_y + h_row - lv_obj_get_height(child_tmp) - lv_obj_get_style_margin_bottom(child_tmp, LV_OBJ_PART_MAIN)); - break; - default: - break; - } - - act_x += lv_obj_get_width(child_tmp) + new_pinner + mleft + mright; - } - if(child_tmp == child_rc) break; - child_tmp = _lv_ll_get_prev(&cont->child_ll, child_tmp); - } - } - - if(child_rc == NULL) break; - act_y += pinner + h_row; /*y increment*/ - child_rs = _lv_ll_get_prev(&cont->child_ll, child_rc); /*Go to the next object*/ - child_rc = child_rs; - } - lv_obj_clear_protect(cont, LV_PROTECT_CHILD_CHG); -} - -/** - * Handle the grid layout. Align same-sized objects in a grid - * @param cont pointer to an object which layout should be handled - */ -static void lv_cont_layout_grid(lv_obj_t * cont) -{ - lv_coord_t w_fit = lv_obj_get_width_fit(cont); - lv_coord_t inner = lv_obj_get_style_pad_inner(cont, LV_CONT_PART_MAIN); - lv_coord_t y_ofs = inner + lv_obj_get_height(lv_obj_get_child(cont, NULL)); - - /* Disable child change action because the children will be moved a lot - * an unnecessary child change signals could be sent*/ - lv_obj_add_protect(cont, LV_PROTECT_CHILD_CHG); - - /* Align the children */ - lv_coord_t left = lv_obj_get_style_pad_left(cont, LV_CONT_PART_MAIN); - lv_coord_t act_x = left; - lv_coord_t act_y = lv_obj_get_style_pad_top(cont, LV_CONT_PART_MAIN); - lv_obj_t * child; - _LV_LL_READ_BACK(cont->child_ll, child) { - if(lv_obj_get_hidden(child) != false || lv_obj_is_protected(child, LV_PROTECT_POS) != false) continue; - lv_coord_t obj_w = lv_obj_get_width(child); - if(act_x + obj_w > w_fit + left) { - act_x = left; - act_y += y_ofs; - } - - lv_obj_set_pos(child, act_x, act_y); - act_x += inner + obj_w; - } - - lv_obj_clear_protect(cont, LV_PROTECT_CHILD_CHG); -} - -/** - * Handle auto fit. Set the size of the object to involve all children. - * @param cont pointer to an object which size will be modified - */ -static void lv_cont_refr_autofit(lv_obj_t * cont) -{ - if(lv_obj_is_protected(cont, LV_PROTECT_CHILD_CHG)) return; - lv_cont_ext_t * ext = lv_obj_get_ext_attr(cont); - - if(ext->fit_left == LV_FIT_NONE && ext->fit_right == LV_FIT_NONE && ext->fit_top == LV_FIT_NONE && - ext->fit_bottom == LV_FIT_NONE) { - return; - } - - static int recursion_level = 0; - recursion_level++; - /*Ensure it won't keep recursing forever*/ - if(recursion_level <= LV_LAYOUT_MAX_RECURSION) { - lv_area_t tight_area; - lv_area_t ori; - lv_obj_t * child_i; - - lv_obj_t * par = lv_obj_get_parent(cont); - lv_area_t parent_area; - lv_area_copy(&parent_area, &par->coords); - parent_area.x1 += lv_obj_get_style_pad_left(par, LV_OBJ_PART_MAIN); - parent_area.x2 -= lv_obj_get_style_pad_right(par, LV_OBJ_PART_MAIN); - parent_area.y1 += lv_obj_get_style_pad_top(par, LV_OBJ_PART_MAIN); - parent_area.y2 -= lv_obj_get_style_pad_bottom(par, LV_OBJ_PART_MAIN); - - /*Search the side coordinates of the children*/ - lv_obj_get_coords(cont, &ori); - lv_obj_get_coords(cont, &tight_area); - - bool has_children = _lv_ll_is_empty(&cont->child_ll) ? false : true; - - if(has_children) { - tight_area.x1 = LV_COORD_MAX; - tight_area.y1 = LV_COORD_MAX; - tight_area.x2 = LV_COORD_MIN; - tight_area.y2 = LV_COORD_MIN; - - _LV_LL_READ(cont->child_ll, child_i) { - if(lv_obj_get_hidden(child_i) != false) continue; - - if(ext->fit_left != LV_FIT_PARENT) { - lv_style_int_t mleft = lv_obj_get_style_margin_left(child_i, LV_OBJ_PART_MAIN); - tight_area.x1 = LV_MATH_MIN(tight_area.x1, child_i->coords.x1 - mleft); - } - - if(ext->fit_right != LV_FIT_PARENT) { - lv_style_int_t mright = lv_obj_get_style_margin_right(child_i, LV_OBJ_PART_MAIN); - tight_area.x2 = LV_MATH_MAX(tight_area.x2, child_i->coords.x2 + mright); - } - - if(ext->fit_top != LV_FIT_PARENT) { - lv_style_int_t mtop = lv_obj_get_style_margin_top(child_i, LV_OBJ_PART_MAIN); - tight_area.y1 = LV_MATH_MIN(tight_area.y1, child_i->coords.y1 - mtop); - } - - if(ext->fit_bottom != LV_FIT_PARENT) { - lv_style_int_t mbottom = lv_obj_get_style_margin_bottom(child_i, LV_OBJ_PART_MAIN); - tight_area.y2 = LV_MATH_MAX(tight_area.y2, child_i->coords.y2 + mbottom); - } - } - - tight_area.x1 -= lv_obj_get_style_pad_left(cont, LV_CONT_PART_MAIN); - tight_area.x2 += lv_obj_get_style_pad_right(cont, LV_CONT_PART_MAIN); - tight_area.y1 -= lv_obj_get_style_pad_top(cont, LV_CONT_PART_MAIN); - tight_area.y2 += lv_obj_get_style_pad_bottom(cont, LV_CONT_PART_MAIN); - } - - lv_area_t new_area; - lv_area_copy(&new_area, &ori); - - switch(ext->fit_left) { - case LV_FIT_TIGHT: - new_area.x1 = tight_area.x1; - break; - case LV_FIT_PARENT: - new_area.x1 = parent_area.x1; - break; - case LV_FIT_MAX: - new_area.x1 = has_children ? LV_MATH_MIN(tight_area.x1, parent_area.x1) : parent_area.x1; - break; - default: - break; - } - - switch(ext->fit_right) { - case LV_FIT_TIGHT: - new_area.x2 = tight_area.x2; - break; - case LV_FIT_PARENT: - new_area.x2 = parent_area.x2; - break; - case LV_FIT_MAX: - new_area.x2 = has_children ? LV_MATH_MAX(tight_area.x2, parent_area.x2) : parent_area.x2; - break; - default: - break; - } - - switch(ext->fit_top) { - case LV_FIT_TIGHT: - new_area.y1 = tight_area.y1; - break; - case LV_FIT_PARENT: - new_area.y1 = parent_area.y1; - break; - case LV_FIT_MAX: - new_area.y1 = has_children ? LV_MATH_MIN(tight_area.y1, parent_area.y1) : parent_area.y1; - break; - default: - break; - } - - switch(ext->fit_bottom) { - case LV_FIT_TIGHT: - new_area.y2 = tight_area.y2; - break; - case LV_FIT_PARENT: - new_area.y2 = parent_area.y2; - break; - case LV_FIT_MAX: - new_area.y2 = has_children ? LV_MATH_MAX(tight_area.y2, parent_area.y2) : parent_area.y2; - break; - default: - break; - } - - /*Do nothing if the coordinates are not changed*/ - if(cont->coords.x1 != new_area.x1 || cont->coords.y1 != new_area.y1 || cont->coords.x2 != new_area.x2 || - cont->coords.y2 != new_area.y2) { - - lv_obj_invalidate(cont); - lv_area_copy(&cont->coords, &new_area); - lv_obj_invalidate(cont); - - /*Notify the object about its new coordinates*/ - cont->signal_cb(cont, LV_SIGNAL_COORD_CHG, &ori); - - /*Inform the parent about the new coordinates*/ - par->signal_cb(par, LV_SIGNAL_CHILD_CHG, cont); - - if(lv_obj_get_auto_realign(cont)) { - lv_obj_realign(cont); - } - - /*Tell the children the parent's size has changed*/ - _LV_LL_READ(cont->child_ll, child_i) { - child_i->signal_cb(child_i, LV_SIGNAL_PARENT_SIZE_CHG, &ori); - } - } - } - else { - LV_LOG_ERROR("LV_LAYOUT_MAX_RECURSION reached! You may have encountered issue #1539."); - } - - recursion_level--; -} - -#endif |