#include "../../lv_examples.h" #if LV_USE_SLIDER && LV_BUILD_EXAMPLES /** * Show how to style a slider. */ void lv_example_slider_2(void) { /*Create a transition*/ static const lv_style_prop_t props[] = {LV_STYLE_BG_COLOR, 0}; static lv_style_transition_dsc_t transition_dsc; lv_style_transition_dsc_init(&transition_dsc, props, lv_anim_path_linear, 300, 0, NULL); static lv_style_t style_main; static lv_style_t style_indicator; static lv_style_t style_knob; static lv_style_t style_pressed_color; lv_style_init(&style_main); lv_style_set_bg_opa(&style_main, LV_OPA_COVER); lv_style_set_bg_color(&style_main, lv_color_hex3(0xbbb)); lv_style_set_radius(&style_main, LV_RADIUS_CIRCLE); lv_style_set_pad_ver(&style_main, -2); /*Makes the indicator larger*/ lv_style_init(&style_indicator); lv_style_set_bg_opa(&style_indicator, LV_OPA_COVER); lv_style_set_bg_color(&style_indicator, lv_palette_main(LV_PALETTE_CYAN)); lv_style_set_radius(&style_indicator, LV_RADIUS_CIRCLE); lv_style_set_transition(&style_indicator, &transition_dsc); lv_style_init(&style_knob); lv_style_set_bg_opa(&style_knob, LV_OPA_COVER); lv_style_set_bg_color(&style_knob, lv_palette_main(LV_PALETTE_CYAN)); lv_style_set_border_color(&style_knob, lv_palette_darken(LV_PALETTE_CYAN, 3)); lv_style_set_border_width(&style_knob, 2); lv_style_set_radius(&style_knob, LV_RADIUS_CIRCLE); lv_style_set_pad_all(&style_knob, 6); /*Makes the knob larger*/ lv_style_set_transition(&style_knob, &transition_dsc); lv_style_init(&style_pressed_color); lv_style_set_bg_color(&style_pressed_color, lv_palette_darken(LV_PALETTE_CYAN, 2)); /*Create a slider and add the style*/ lv_obj_t * slider = lv_slider_create(lv_scr_act()); lv_obj_remove_style_all(slider); /*Remove the styles coming from the theme*/ lv_obj_add_style(slider, &style_main, LV_PART_MAIN); lv_obj_add_style(slider, &style_indicator, LV_PART_INDICATOR); lv_obj_add_style(slider, &style_pressed_color, LV_PART_INDICATOR | LV_STATE_PRESSED); lv_obj_add_style(slider, &style_knob, LV_PART_KNOB); lv_obj_add_style(slider, &style_pressed_color, LV_PART_KNOB | LV_STATE_PRESSED); lv_obj_center(slider); } #endif