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70 lines
2.9 KiB
C
70 lines
2.9 KiB
C
#include "../lv_examples.h"
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#if LV_USE_BTN && LV_BUILD_EXAMPLES
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/**
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* Create styles from scratch for buttons.
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*/
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void lv_example_get_started_2(void)
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{
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static lv_style_t style_btn;
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static lv_style_t style_btn_red;
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static lv_style_t style_btn_pressed;
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/*Create a simple button style*/
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lv_style_init(&style_btn);
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lv_style_set_radius(&style_btn, 10);
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lv_style_set_bg_opa(&style_btn, LV_OPA_COVER);
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lv_style_set_bg_color(&style_btn, lv_palette_lighten(LV_PALETTE_GREY, 3));
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lv_style_set_bg_grad_color(&style_btn, lv_palette_main(LV_PALETTE_GREY));
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lv_style_set_bg_grad_dir(&style_btn, LV_GRAD_DIR_VER);
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/*Add a border*/
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lv_style_set_border_color(&style_btn, lv_color_white());
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lv_style_set_border_opa(&style_btn, LV_OPA_70);
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lv_style_set_border_width(&style_btn, 2);
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/*Set the text style*/
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lv_style_set_text_color(&style_btn, lv_color_white());
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/*Create a red style. Change only some colors.*/
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lv_style_init(&style_btn_red);
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lv_style_set_bg_color(&style_btn_red, lv_palette_main(LV_PALETTE_RED));
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lv_style_set_bg_grad_color(&style_btn_red, lv_palette_lighten(LV_PALETTE_RED, 2));
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/*Create a style for the pressed state.*/
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lv_style_init(&style_btn_pressed);
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lv_style_set_bg_color(&style_btn_pressed, lv_palette_main(LV_PALETTE_BLUE));
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lv_style_set_bg_grad_color(&style_btn_pressed, lv_palette_darken(LV_PALETTE_RED, 3));
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/*Create a button and use the new styles*/
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lv_obj_t * btn = lv_btn_create(lv_scr_act()); /*Add a button the current screen*/
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/* Remove the styles coming from the theme
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* Note that size and position are also stored as style properties
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* so lv_obj_remove_style_all will remove the set size and position too */
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lv_obj_remove_style_all(btn);
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lv_obj_set_pos(btn, 10, 10); /*Set its position*/
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lv_obj_set_size(btn, 120, 50); /*Set its size*/
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lv_obj_add_style(btn, &style_btn, 0);
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lv_obj_add_style(btn, &style_btn_pressed, LV_STATE_PRESSED);
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lv_obj_t * label = lv_label_create(btn); /*Add a label to the button*/
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lv_label_set_text(label, "Button"); /*Set the labels text*/
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lv_obj_center(label);
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/*Create an other button and use the red style too*/
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lv_obj_t * btn2 = lv_btn_create(lv_scr_act());
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lv_obj_remove_style_all(btn2); /*Remove the styles coming from the theme*/
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lv_obj_set_pos(btn2, 10, 80);
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lv_obj_set_size(btn2, 120, 50); /*Set its size*/
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lv_obj_add_style(btn2, &style_btn, 0);
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lv_obj_add_style(btn2, &style_btn_red, 0);
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lv_obj_add_style(btn2, &style_btn_pressed, LV_STATE_PRESSED);
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lv_obj_set_style_radius(btn2, LV_RADIUS_CIRCLE, 0); /*Add a local style*/
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label = lv_label_create(btn2); /*Add a label to the button*/
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lv_label_set_text(label, "Button 2"); /*Set the labels text*/
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lv_obj_center(label);
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}
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#endif
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