174 lines
3.6 KiB
C
174 lines
3.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <3ds.h>
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#include "lvgl.h"
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#include "lv_ctr_disp.h"
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#include "lv_ctr_indev.h"
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static lv_obj_t * cursor;
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static lv_obj_t * label;
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static lv_obj_t * label2;
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static lv_obj_t * fps_label;
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long unsigned int sys_tick(void)
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{
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long unsigned int tick = (long unsigned int)osGetTime();
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return tick;
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}
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void sys_init(void)
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{
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gfxInitDefault();
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consoleInit(GFX_TOP, NULL);
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}
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void sys_free(void)
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{
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gfxExit();
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}
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static void cursor_timer_cb(lv_timer_t * t)
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{
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LV_UNUSED(t);
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lv_indev_t * indev = lv_indev_get_next(NULL);
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if (!indev)
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return;
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lv_point_t p;
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lv_indev_get_point(indev, &p);
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if (lv_indev_get_state(indev) == LV_INDEV_STATE_PRESSED) {
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lv_obj_set_pos(cursor, p.x - 5, p.y - 5);
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lv_obj_clear_flag(cursor, LV_OBJ_FLAG_HIDDEN);
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lv_label_set_text_fmt(label2,
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"x: %d\ny: %d",
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p.x,
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p.y);
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}
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else {
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lv_obj_add_flag(cursor, LV_OBJ_FLAG_HIDDEN);
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}
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}
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static void switch_event_cb(lv_event_t * e)
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{
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lv_obj_t * sw = lv_event_get_target(e);
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if (lv_obj_has_state(sw, LV_STATE_CHECKED))
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lv_label_set_text_fmt(label, "ON");
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else
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lv_label_set_text_fmt(label, "OFF");
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}
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static void fps_tick(void)
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{
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static u32 frames = 0;
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static u64 last = 0;
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u64 now = osGetTime();
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frames++;
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if (now - last >= 1000) {
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lv_label_set_text_fmt(fps_label,
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"FPS: %lu",
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frames);
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frames = 0;
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last = now;
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}
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}
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static void ui_prepare(void)
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{
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/* Container START */
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lv_obj_t * cont = lv_obj_create(lv_screen_active());
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/* Container layout */
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lv_obj_set_size(cont, 220, 120);
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lv_obj_center(cont);
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lv_obj_set_layout(cont, LV_LAYOUT_FLEX);
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lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_COLUMN);
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lv_obj_set_flex_align(cont,
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LV_FLEX_ALIGN_CENTER,
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LV_FLEX_ALIGN_CENTER,
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LV_FLEX_ALIGN_CENTER);
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/* Optional cleaner look */
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lv_obj_set_style_pad_all(cont, 16, 0);
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lv_obj_set_style_pad_row(cont, 12, 0);
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/* Label */
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label = lv_label_create(cont);
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lv_label_set_text(label, "Hello world");
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/* Switch */
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lv_obj_t * sw = lv_switch_create(cont);
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lv_obj_center(sw);
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lv_obj_add_event_cb(sw,
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switch_event_cb,
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LV_EVENT_VALUE_CHANGED,
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NULL);
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/* Container END */
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/* Cursor */
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cursor = lv_obj_create(lv_screen_active());
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lv_obj_set_size(cursor, 10, 10);
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lv_obj_set_style_radius(cursor, LV_RADIUS_CIRCLE, 0);
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lv_obj_set_style_bg_color(cursor, lv_palette_main(LV_PALETTE_RED), 0);
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lv_obj_set_style_border_width(cursor, 0, 0);
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/* Coord label */
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label2 = lv_label_create(lv_screen_active());
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lv_obj_align(label2, LV_ALIGN_TOP_LEFT, 4, 4);
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/* FPS label */
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fps_label = lv_label_create(lv_screen_active());
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lv_obj_align(fps_label,
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LV_ALIGN_BOTTOM_LEFT,
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4,
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-4);
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/* Main loop UI update timer */
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lv_timer_create(cursor_timer_cb, 16, NULL);
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lv_obj_invalidate(lv_screen_active());
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}
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int main(int argc, char* argv[])
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{
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sys_init();
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lv_init();
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lv_ctr_disp_init();
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lv_ctr_indev_init();
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lv_tick_set_cb(sys_tick);
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ui_prepare();
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// Main loop
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while (aptMainLoop())
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{
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u64 start = osGetTime();
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lv_timer_handler();
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u64 end = osGetTime();
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lv_label_set_text_fmt(fps_label, "render: %llums", end - start);
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hidScanInput();
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u32 kDown = hidKeysDown();
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if (kDown & KEY_START)
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break; // break in order to return to hbmenu
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}
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sys_free();
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return 0;
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}
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