C++ (Cpp) lcd_lib_clear_string_centerP示例

示例#1

文件： UltiLCD2_hi_lib.cpp 项目： DiamondMind3DPrinters/DMv2-Marlin

void lcd_scroll_menu(const char* menuNameP, int8_t entryCount, entryNameCallback_t entryNameCallback, entryDetailsCallback_t entryDetailsCallback)
{
    if (lcd_lib_button_pressed)
		return;//Selection possibly changed the menu, so do not update it this cycle.

    if (lcd_lib_encoder_pos == ENCODER_NO_SELECTION)
        lcd_lib_encoder_pos = 0;

	static int16_t viewPos = 0;
	if (lcd_lib_encoder_pos < 0) lcd_lib_encoder_pos += entryCount * ENCODER_TICKS_PER_SCROLL_MENU_ITEM;
	if (lcd_lib_encoder_pos >= entryCount * ENCODER_TICKS_PER_SCROLL_MENU_ITEM) lcd_lib_encoder_pos -= entryCount * ENCODER_TICKS_PER_SCROLL_MENU_ITEM;

    uint8_t selIndex = uint16_t(lcd_lib_encoder_pos/ENCODER_TICKS_PER_SCROLL_MENU_ITEM);

    lcd_lib_clear();

    int16_t targetViewPos = selIndex * 8 - 15;

    int16_t viewDiff = targetViewPos - viewPos;
    viewPos += viewDiff / 4;
    if (viewDiff > 0) { viewPos ++; led_glow = led_glow_dir = 0; }
    if (viewDiff < 0) { viewPos --; led_glow = led_glow_dir = 0; }

    uint8_t drawOffset = 10 - (uint16_t(viewPos) % 8);
    uint8_t itemOffset = uint16_t(viewPos) / 8;
    for(uint8_t n=0; n<6; n++)
    {
        uint8_t itemIdx = n + itemOffset;
        if (itemIdx >= entryCount)
            continue;

        char* ptr = entryNameCallback(itemIdx);
		//ptr[10] = '\0';
		ptr[20] = '\0';
        if (itemIdx == selIndex)
        {
            //lcd_lib_set(3, drawOffset+8*n-1, 62, drawOffset+8*n+7);
            lcd_lib_set(3, drawOffset+8*n-1, 124, drawOffset+8*n+7);
            lcd_lib_clear_string(4, drawOffset+8*n, ptr);
        }else{
            lcd_lib_draw_string(4, drawOffset+8*n, ptr);
        }
    }
    lcd_lib_set(3, 0, 124, 8);
    lcd_lib_clear(3, 47, 124, 63);
    lcd_lib_clear(3, 9, 124, 9);

    lcd_lib_draw_hline(3, 124, 48);

    lcd_lib_clear_string_centerP(1, menuNameP);
    
	entryDetailsCallback(selIndex);
	
    lcd_lib_update_screen();
}

示例#2

文件： UltiLCD2_hi_lib.cpp 项目： Ultimaker/Ultimaker2Marlin

void lcd_tripple_menu(const char* left, const char* right, const char* bottom)
{
    if (lcd_lib_encoder_pos != ENCODER_NO_SELECTION)
    {
        if (lcd_lib_encoder_pos < 0)
            lcd_lib_encoder_pos += 3*ENCODER_TICKS_PER_MAIN_MENU_ITEM;
        if (lcd_lib_encoder_pos >= 3*ENCODER_TICKS_PER_MAIN_MENU_ITEM)
            lcd_lib_encoder_pos -= 3*ENCODER_TICKS_PER_MAIN_MENU_ITEM;
    }

    lcd_lib_clear();
    lcd_lib_draw_vline(64, 5, 45);
    lcd_lib_draw_hline(3, 124, 48);

    if (IS_SELECTED_MAIN(0))
    {
        lcd_lib_draw_box(3+2, 5+2, 64-3-2, 45-2);
        lcd_lib_set(3+3, 5+3, 64-3-3, 45-3);
        lcd_lib_clear_string_center_atP(33, 22, left);
    }else{
        lcd_lib_draw_string_center_atP(33, 22, left);
    }

    if (IS_SELECTED_MAIN(1))
    {
        lcd_lib_draw_box(64+3+2, 5+2, 125-2, 45-2);
        lcd_lib_set(64+3+3, 5+3, 125-3, 45-3);
        lcd_lib_clear_string_center_atP(64 + 33, 22, right);
    }else{
        lcd_lib_draw_string_center_atP(64 + 33, 22, right);
    }

    if (bottom != NULL)
    {
        if (IS_SELECTED_MAIN(2))
        {
            lcd_lib_draw_box(3+2, 49+2, 125-2, 63-2);
            lcd_lib_set(3+3, 49+3, 125-3, 63-3);
            lcd_lib_clear_string_centerP(53, bottom);
        }else{
            lcd_lib_draw_string_centerP(53, bottom);
        }
    }
}