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69 lines
3.0 KiB
C
69 lines
3.0 KiB
C
#include "../lv_examples.h"
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#if LV_BUILD_EXAMPLES && LV_USE_LIST
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/**
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* Styling the scrollbars
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*/
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void lv_example_scroll_4(void)
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{
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lv_obj_t * obj = lv_obj_create(lv_scr_act());
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lv_obj_set_size(obj, 200, 100);
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lv_obj_center(obj);
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lv_obj_t * label = lv_label_create(obj);
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lv_label_set_text(label,
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"Lorem ipsum dolor sit amet, consectetur adipiscing elit.\n"
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"Etiam dictum, tortor vestibulum lacinia laoreet, mi neque consectetur neque, vel mattis odio dolor egestas ligula. \n"
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"Sed vestibulum sapien nulla, id convallis ex porttitor nec. \n"
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"Duis et massa eu libero accumsan faucibus a in arcu. \n"
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"Ut pulvinar odio lorem, vel tempus turpis condimentum quis. Nam consectetur condimentum sem in auctor. \n"
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"Sed nisl augue, venenatis in blandit et, gravida ac tortor. \n"
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"Etiam dapibus elementum suscipit. \n"
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"Proin mollis sollicitudin convallis. \n"
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"Integer dapibus tempus arcu nec viverra. \n"
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"Donec molestie nulla enim, eu interdum velit placerat quis. \n"
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"Donec id efficitur risus, at molestie turpis. \n"
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"Suspendisse vestibulum consectetur nunc ut commodo. \n"
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"Fusce molestie rhoncus nisi sit amet tincidunt. \n"
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"Suspendisse a nunc ut magna ornare volutpat.");
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/*Remove the style of scrollbar to have clean start*/
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lv_obj_remove_style(obj, NULL, LV_PART_SCROLLBAR | LV_STATE_ANY);
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/*Create a transition the animate the some properties on state change*/
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static const lv_style_prop_t props[] = {LV_STYLE_BG_OPA, LV_STYLE_WIDTH, 0};
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static lv_style_transition_dsc_t trans;
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lv_style_transition_dsc_init(&trans, props, lv_anim_path_linear, 200, 0, NULL);
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/*Create a style for the scrollbars*/
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static lv_style_t style;
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lv_style_init(&style);
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lv_style_set_width(&style, 4); /*Width of the scrollbar*/
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lv_style_set_pad_right(&style, 5); /*Space from the parallel side*/
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lv_style_set_pad_top(&style, 5); /*Space from the perpendicular side*/
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lv_style_set_radius(&style, 2);
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lv_style_set_bg_opa(&style, LV_OPA_70);
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lv_style_set_bg_color(&style, lv_palette_main(LV_PALETTE_BLUE));
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lv_style_set_border_color(&style, lv_palette_darken(LV_PALETTE_BLUE, 3));
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lv_style_set_border_width(&style, 2);
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lv_style_set_shadow_width(&style, 8);
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lv_style_set_shadow_spread(&style, 2);
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lv_style_set_shadow_color(&style, lv_palette_darken(LV_PALETTE_BLUE, 1));
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lv_style_set_transition(&style, &trans);
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/*Make the scrollbars wider and use 100% opacity when scrolled*/
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static lv_style_t style_scrolled;
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lv_style_init(&style_scrolled);
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lv_style_set_width(&style_scrolled, 8);
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lv_style_set_bg_opa(&style_scrolled, LV_OPA_COVER);
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lv_obj_add_style(obj, &style, LV_PART_SCROLLBAR);
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lv_obj_add_style(obj, &style_scrolled, LV_PART_SCROLLBAR | LV_STATE_SCROLLED);
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}
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#endif
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