pos.c

本程序在S3C44B0 uClinux的嵌入式GUI

#include "pos.h"

#define MAX_LINES_IN_ONE_SCREEN	5

#define STR_PINYIN	"拼音:"
static void show_pinyin_and_result(char *py_str)
{
	UInt16 *pResult;
	
	LCD_DisplayOneLine(30,50,py_str,1,1);	// Display the input string
	pResult = get_data_offset(py_str);	// get the CJK string
	if (pResult)
	{
		LCD_DisplayOneLine(60,50,pResult,1,0);
	}
}

static void cjk_ime(void)
{
	unsigned char num_str[16];
	int goods_id;
	unsigned int c;
	int current_pos;
	
	current_pos = 0;
	memset(num_str,0,sizeof(num_str));
	
	LCD_DisplayOneLine(2,50,STR_PINYIN,1,1);
	while (1)
	{
		if (KB_GetStatus())
		{
			c = KB_GetValue();
			printf("ASCII code:%x\n",c);
			
			// convert scan code to ascii code
			//c = get_ascii_code_from_scan_code(kc);
			//printf("Key:%x,ascii:%c\n---------------\n",kc,c);
			switch (c)
			{
				// enter key is pressed......
				case ' ':
					if (current_pos > 0)
					{
						current_pos --;
						num_str[current_pos] = 0;
						show_pinyin_and_result(num_str);
					}
				break;
				case 'a':case 'b':case 'c':case 'd':case 'e':case 'f':case 'g':
				case 'h':case 'i':case 'j':case 'k':case 'l':case 'm':case 'n':
				case 'o':case 'p':case 'q':case 'r':case 's':case 't':case 'u':
				case 'v':case 'w':case 'x':case 'y':case 'z':
					if (current_pos >= sizeof(num_str)) break;
					num_str[current_pos++] = c;
					show_pinyin_and_result(num_str);
				break;
				case '0':case '1':case '2':case '3':case '4':case '5':case '6':
				case '7':case '8':case '9':
				break;
				case 0x8000029://KEY_CTRL_SPACE:
					return;
				break;				
			}
		}
	}
}


// loop here until user press key 'enter'
static int wait_type_in_number(void)	
{
	unsigned char num_str[16];
	int goods_id;
	unsigned int c;
	int current_pos;
	
	current_pos = 0;
	memset(num_str,0,sizeof(num_str));
	
	num_str[0] = 0x02;	//medium caret
	current_pos ++;
	LCD_DisplayOneLine(70,50,num_str,1,0);
	
	while (1)
	{
		if (KB_GetStatus())
		{
			c = KB_GetValue();
			printf("ASCII code:%x\n",c);
			
			//c = get_ascii_code_from_scan_code(kc);
			//printf("Key:%x,ascii:%c\n---------------\n",kc,c);
			switch (c)
			{
				// enter key is pressed......
				case 0x0a://KEY_ENTER:
					// clear the input id
					LCD_DisplayOneLine(70,50,"",1,1);
					goods_id = atoi(num_str);
					return goods_id;
				break;
				case 0x10://KEY_BACKSPACE:
					if (current_pos > 1)
					{
						current_pos --;
						num_str[current_pos] = 0;num_str[current_pos-1] = 0x02;
						LCD_DisplayOneLine(70,50,num_str,1,1);
					}
				break;
				case '0':case '1':case '2':case '3':case '4':case '5':case '6':
				case '7':case '8':case '9':
					if (current_pos >= sizeof(num_str)) break;
					num_str[current_pos-1] = c;num_str[current_pos++] = 0x02;
					LCD_DisplayOneLine(70,50,num_str,1,0);
				break;
				case 0x8000029://KEY_CTRL_SPACE:
					cjk_ime();
					LCD_DisplayOneLine(2,50,STR_GOODS_ID,1,1);
				break;				
			}
		}
	}
}


//static UInt8 flag_category=0;

static int l_delay(int t)
{
	while (t--);
}

//========================================================

int  main(int argc,char * argv[])
{ int cnt = 0,kc;
    LCD_Init();	// Init LCD device
    LCD44780_Init();// Init LCD44780 device
    LCD44780_Display( "Hello.PET Mr.Cai" );
    InitPrinter(); //初始化热敏打印机
    if( InitFileHandle() )
        TC_PressAnyKey();
    //ImeInit();	// Initialize Chinese/Japanese/Korean input method

    LCD6963_ClearScreen();   //清屏幕
    ShowBitmap("/mnt/nand_disk1/sample.bmp",10,10);	// Display a BITMAP in screen
    TC_PressAnyKey();
    //wait_type_in_number();

    do{
	  Main_Menu();
    }while(1);

    StopApplication();	

    return 0;
}