66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
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#include "../../lv_examples.h"
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#if LV_USE_BTN && LV_BUILD_EXAMPLES
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/**
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* Style a button from scratch
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*/
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void lv_example_btn_2(void)
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{
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/*Init the style for the default state*/
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static lv_style_t style;
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lv_style_init(&style);
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lv_style_set_radius(&style, 3);
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lv_style_set_bg_opa(&style, LV_OPA_100);
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lv_style_set_bg_color(&style, lv_palette_main(LV_PALETTE_BLUE));
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lv_style_set_bg_grad_color(&style, lv_palette_darken(LV_PALETTE_BLUE, 2));
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lv_style_set_bg_grad_dir(&style, LV_GRAD_DIR_VER);
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lv_style_set_border_opa(&style, LV_OPA_40);
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lv_style_set_border_width(&style, 2);
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lv_style_set_border_color(&style, lv_palette_main(LV_PALETTE_GREY));
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lv_style_set_shadow_width(&style, 8);
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lv_style_set_shadow_color(&style, lv_palette_main(LV_PALETTE_GREY));
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lv_style_set_shadow_ofs_y(&style, 8);
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lv_style_set_outline_opa(&style, LV_OPA_COVER);
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lv_style_set_outline_color(&style, lv_palette_main(LV_PALETTE_BLUE));
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lv_style_set_text_color(&style, lv_color_white());
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lv_style_set_pad_all(&style, 10);
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/*Init the pressed style*/
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static lv_style_t style_pr;
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lv_style_init(&style_pr);
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/*Add a large outline when pressed*/
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lv_style_set_outline_width(&style_pr, 30);
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lv_style_set_outline_opa(&style_pr, LV_OPA_TRANSP);
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lv_style_set_translate_y(&style_pr, 5);
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lv_style_set_shadow_ofs_y(&style_pr, 3);
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lv_style_set_bg_color(&style_pr, lv_palette_darken(LV_PALETTE_BLUE, 2));
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lv_style_set_bg_grad_color(&style_pr, lv_palette_darken(LV_PALETTE_BLUE, 4));
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/*Add a transition to the outline*/
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static lv_style_transition_dsc_t trans;
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static lv_style_prop_t props[] = {LV_STYLE_OUTLINE_WIDTH, LV_STYLE_OUTLINE_OPA, 0};
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lv_style_transition_dsc_init(&trans, props, lv_anim_path_linear, 300, 0, NULL);
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lv_style_set_transition(&style_pr, &trans);
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lv_obj_t * btn1 = lv_btn_create(lv_scr_act());
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lv_obj_remove_style_all(btn1); /*Remove the style coming from the theme*/
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lv_obj_add_style(btn1, &style, 0);
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lv_obj_add_style(btn1, &style_pr, LV_STATE_PRESSED);
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lv_obj_set_size(btn1, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
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lv_obj_center(btn1);
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lv_obj_t * label = lv_label_create(btn1);
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lv_label_set_text(label, "Button");
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lv_obj_center(label);
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}
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#endif
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