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path: root/lib/lvgl/src/widgets/lv_checkbox.c
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Diffstat (limited to 'lib/lvgl/src/widgets/lv_checkbox.c')
m---------lib/lvgl0
-rw-r--r--lib/lvgl/src/widgets/lv_checkbox.c262
2 files changed, 262 insertions, 0 deletions
diff --git a/lib/lvgl b/lib/lvgl
deleted file mode 160000
-Subproject 0732400e7b564dd0e7dc4a924619d8e19c5b23a
diff --git a/lib/lvgl/src/widgets/lv_checkbox.c b/lib/lvgl/src/widgets/lv_checkbox.c
new file mode 100644
index 00000000..dd3b3d15
--- /dev/null
+++ b/lib/lvgl/src/widgets/lv_checkbox.c
@@ -0,0 +1,262 @@
+/**
+ * @file lv_cb.c
+ *
+ */
+
+/*********************
+ * INCLUDES
+ *********************/
+#include "lv_checkbox.h"
+#if LV_USE_CHECKBOX != 0
+
+#include "../misc/lv_assert.h"
+#include "../misc/lv_txt_ap.h"
+#include "../core/lv_group.h"
+#include "../draw/lv_draw.h"
+
+/*********************
+ * DEFINES
+ *********************/
+#define MY_CLASS &lv_checkbox_class
+
+/**********************
+ * TYPEDEFS
+ **********************/
+
+/**********************
+ * STATIC PROTOTYPES
+ **********************/
+static void lv_checkbox_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj);
+static void lv_checkbox_destructor(const lv_obj_class_t * class_p, lv_obj_t * obj);
+static void lv_checkbox_event(const lv_obj_class_t * class_p, lv_event_t * e);
+static void lv_checkbox_draw(lv_event_t * e);
+
+/**********************
+ * STATIC VARIABLES
+ **********************/
+const lv_obj_class_t lv_checkbox_class = {
+ .constructor_cb = lv_checkbox_constructor,
+ .destructor_cb = lv_checkbox_destructor,
+ .event_cb = lv_checkbox_event,
+ .width_def = LV_SIZE_CONTENT,
+ .height_def = LV_SIZE_CONTENT,
+ .group_def = LV_OBJ_CLASS_GROUP_DEF_TRUE,
+ .instance_size = sizeof(lv_checkbox_t),
+ .base_class = &lv_obj_class
+};
+
+/**********************
+ * MACROS
+ **********************/
+
+/**********************
+ * GLOBAL FUNCTIONS
+ **********************/
+
+lv_obj_t * lv_checkbox_create(lv_obj_t * parent)
+{
+ LV_LOG_INFO("begin");
+ lv_obj_t * obj = lv_obj_class_create_obj(MY_CLASS, parent);
+ lv_obj_class_init_obj(obj);
+ return obj;
+}
+
+/*=====================
+ * Setter functions
+ *====================*/
+
+void lv_checkbox_set_text(lv_obj_t * obj, const char * txt)
+{
+ lv_checkbox_t * cb = (lv_checkbox_t *)obj;
+#if LV_USE_ARABIC_PERSIAN_CHARS
+ size_t len = _lv_txt_ap_calc_bytes_cnt(txt);
+#else
+ size_t len = strlen(txt);
+#endif
+
+ if(!cb->static_txt) cb->txt = lv_mem_realloc(cb->txt, len + 1);
+ else cb->txt = lv_mem_alloc(len + 1);
+#if LV_USE_ARABIC_PERSIAN_CHARS
+ _lv_txt_ap_proc(txt, cb->txt);
+#else
+ strcpy(cb->txt, txt);
+#endif
+
+ cb->static_txt = 0;
+
+ lv_obj_refresh_self_size(obj);
+ lv_obj_invalidate(obj);
+}
+
+void lv_checkbox_set_text_static(lv_obj_t * obj, const char * txt)
+{
+ lv_checkbox_t * cb = (lv_checkbox_t *)obj;
+
+ if(!cb->static_txt) lv_mem_free(cb->txt);
+
+ cb->txt = (char *)txt;
+ cb->static_txt = 1;
+
+ lv_obj_refresh_self_size(obj);
+ lv_obj_invalidate(obj);
+}
+
+/*=====================
+ * Getter functions
+ *====================*/
+
+const char * lv_checkbox_get_text(const lv_obj_t * obj)
+{
+ lv_checkbox_t * cb = (lv_checkbox_t *)obj;
+ return cb->txt;
+}
+
+/**********************
+ * STATIC FUNCTIONS
+ **********************/
+
+static void lv_checkbox_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj)
+{
+ LV_UNUSED(class_p);
+ LV_TRACE_OBJ_CREATE("begin");
+
+ lv_checkbox_t * cb = (lv_checkbox_t *)obj;
+
+ cb->txt = "Check box";
+ cb->static_txt = 1;
+ lv_obj_add_flag(obj, LV_OBJ_FLAG_CLICKABLE);
+ lv_obj_add_flag(obj, LV_OBJ_FLAG_CHECKABLE);
+ lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
+
+ LV_TRACE_OBJ_CREATE("finished");
+}
+
+static void lv_checkbox_destructor(const lv_obj_class_t * class_p, lv_obj_t * obj)
+{
+ LV_UNUSED(class_p);
+ LV_TRACE_OBJ_CREATE("begin");
+
+ lv_checkbox_t * cb = (lv_checkbox_t *)obj;
+ if(!cb->static_txt) {
+ lv_mem_free(cb->txt);
+ cb->txt = NULL;
+ }
+ LV_TRACE_OBJ_CREATE("finished");
+}
+
+static void lv_checkbox_event(const lv_obj_class_t * class_p, lv_event_t * e)
+{
+ LV_UNUSED(class_p);
+
+ lv_res_t res;
+ /*Call the ancestor's event handler*/
+ res = lv_obj_event_base(MY_CLASS, e);
+ if(res != LV_RES_OK) return;
+
+ lv_event_code_t code = lv_event_get_code(e);
+ lv_obj_t * obj = lv_event_get_target(e);
+
+ if(code == LV_EVENT_GET_SELF_SIZE) {
+ lv_point_t * p = lv_event_get_param(e);
+ lv_checkbox_t * cb = (lv_checkbox_t *)obj;
+
+ const lv_font_t * font = lv_obj_get_style_text_font(obj, LV_PART_MAIN);
+ lv_coord_t font_h = lv_font_get_line_height(font);
+ lv_coord_t line_space = lv_obj_get_style_text_line_space(obj, LV_PART_MAIN);
+ lv_coord_t letter_space = lv_obj_get_style_text_letter_space(obj, LV_PART_MAIN);
+
+ lv_point_t txt_size;
+ lv_txt_get_size(&txt_size, cb->txt, font, letter_space, line_space, LV_COORD_MAX, LV_TEXT_FLAG_NONE);
+
+ lv_coord_t bg_colp = lv_obj_get_style_pad_column(obj, LV_PART_MAIN);
+ lv_coord_t marker_leftp = lv_obj_get_style_pad_left(obj, LV_PART_INDICATOR);
+ lv_coord_t marker_rightp = lv_obj_get_style_pad_right(obj, LV_PART_INDICATOR);
+ lv_coord_t marker_topp = lv_obj_get_style_pad_top(obj, LV_PART_INDICATOR);
+ lv_coord_t marker_bottomp = lv_obj_get_style_pad_bottom(obj, LV_PART_INDICATOR);
+ lv_point_t marker_size;
+ marker_size.x = font_h + marker_leftp + marker_rightp;
+ marker_size.y = font_h + marker_topp + marker_bottomp;
+
+ p->x = marker_size.x + txt_size.x + bg_colp;
+ p->y = LV_MAX(marker_size.y, txt_size.y);
+ }
+ else if(code == LV_EVENT_REFR_EXT_DRAW_SIZE) {
+ lv_coord_t * s = lv_event_get_param(e);
+ lv_coord_t m = lv_obj_calculate_ext_draw_size(obj, LV_PART_INDICATOR);
+ *s = LV_MAX(*s, m);
+ }
+ else if(code == LV_EVENT_DRAW_MAIN) {
+ lv_checkbox_draw(e);
+ }
+}
+
+static void lv_checkbox_draw(lv_event_t * e)
+{
+ lv_obj_t * obj = lv_event_get_target(e);
+ lv_checkbox_t * cb = (lv_checkbox_t *)obj;
+
+ lv_draw_ctx_t * draw_ctx = lv_event_get_draw_ctx(e);
+ const lv_font_t * font = lv_obj_get_style_text_font(obj, LV_PART_MAIN);
+ lv_coord_t font_h = lv_font_get_line_height(font);
+
+ lv_coord_t bg_border = lv_obj_get_style_border_width(obj, LV_PART_MAIN);
+ lv_coord_t bg_topp = lv_obj_get_style_pad_top(obj, LV_PART_MAIN) + bg_border;
+ lv_coord_t bg_leftp = lv_obj_get_style_pad_left(obj, LV_PART_MAIN) + bg_border;
+ lv_coord_t bg_colp = lv_obj_get_style_pad_column(obj, LV_PART_MAIN);
+
+ lv_coord_t marker_leftp = lv_obj_get_style_pad_left(obj, LV_PART_INDICATOR);
+ lv_coord_t marker_rightp = lv_obj_get_style_pad_right(obj, LV_PART_INDICATOR);
+ lv_coord_t marker_topp = lv_obj_get_style_pad_top(obj, LV_PART_INDICATOR);
+ lv_coord_t marker_bottomp = lv_obj_get_style_pad_bottom(obj, LV_PART_INDICATOR);
+
+ lv_coord_t transf_w = lv_obj_get_style_transform_width(obj, LV_PART_INDICATOR);
+ lv_coord_t transf_h = lv_obj_get_style_transform_height(obj, LV_PART_INDICATOR);
+
+ lv_draw_rect_dsc_t indic_dsc;
+ lv_draw_rect_dsc_init(&indic_dsc);
+ lv_obj_init_draw_rect_dsc(obj, LV_PART_INDICATOR, &indic_dsc);
+ lv_area_t marker_area;
+ marker_area.x1 = obj->coords.x1 + bg_leftp;
+ marker_area.x2 = marker_area.x1 + font_h + marker_leftp + marker_rightp - 1;
+ marker_area.y1 = obj->coords.y1 + bg_topp;
+ marker_area.y2 = marker_area.y1 + font_h + marker_topp + marker_bottomp - 1;
+
+ lv_area_t marker_area_transf;
+ lv_area_copy(&marker_area_transf, &marker_area);
+ marker_area_transf.x1 -= transf_w;
+ marker_area_transf.x2 += transf_w;
+ marker_area_transf.y1 -= transf_h;
+ marker_area_transf.y2 += transf_h;
+
+ lv_obj_draw_part_dsc_t part_draw_dsc;
+ lv_obj_draw_dsc_init(&part_draw_dsc, draw_ctx);
+ part_draw_dsc.rect_dsc = &indic_dsc;
+ part_draw_dsc.class_p = MY_CLASS;
+ part_draw_dsc.type = LV_CHECKBOX_DRAW_PART_BOX;
+ part_draw_dsc.draw_area = &marker_area_transf;
+ part_draw_dsc.part = LV_PART_INDICATOR;
+
+ lv_event_send(obj, LV_EVENT_DRAW_PART_BEGIN, &part_draw_dsc);
+ lv_draw_rect(draw_ctx, &indic_dsc, &marker_area_transf);
+ lv_event_send(obj, LV_EVENT_DRAW_PART_END, &part_draw_dsc);
+
+ lv_coord_t line_space = lv_obj_get_style_text_line_space(obj, LV_PART_MAIN);
+ lv_coord_t letter_space = lv_obj_get_style_text_letter_space(obj, LV_PART_MAIN);
+
+ lv_point_t txt_size;
+ lv_txt_get_size(&txt_size, cb->txt, font, letter_space, line_space, LV_COORD_MAX, LV_TEXT_FLAG_NONE);
+
+ lv_draw_label_dsc_t txt_dsc;
+ lv_draw_label_dsc_init(&txt_dsc);
+ lv_obj_init_draw_label_dsc(obj, LV_PART_MAIN, &txt_dsc);
+
+ lv_coord_t y_ofs = (lv_area_get_height(&marker_area) - font_h) / 2;
+ lv_area_t txt_area;
+ txt_area.x1 = marker_area.x2 + bg_colp;
+ txt_area.x2 = txt_area.x1 + txt_size.x;
+ txt_area.y1 = obj->coords.y1 + bg_topp + y_ofs;
+ txt_area.y2 = txt_area.y1 + txt_size.y;
+
+ lv_draw_label(draw_ctx, &txt_dsc, &txt_area, cb->txt, NULL);
+}
+#endif
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