ppeditbox.cpp

基于ARM平台的控制系统,自己带有MINIGUI,可以直接在VC下运行界面演示程序

#include "GUIpp.h"

#include "ppEditBox.h"
#include "IME_PY.h"

#if _USE_GUI == 1


//////////////////////////////////////////////////////////////////////
//数字和字母对应关系表
char *ppIME_EN_Table[10]={
	" ,.\'\":;?!@#$%&*+-()[]{}",	//0
	" ,.\'\":;?!@#$%&*+-()[]{}",	//1
	"abcABC",						//2
	"defDEF",						//3
	"ghiGHI",						//4
	"jklJKL",						//5
	"mnoMNO",						//6
	"pqrsPQRS",						//7
	"tuvTUV",						//8
	"wxyzWXYZ"						//9
};
//////////////////////////////////////////////////////////////////////

CEditBox::CEditBox() : w_EditBoxTimer(this)
{
	w_nTextLimint = 0;
	w_bShowCursor = 0;
	w_bHaveFocus = 0;
	w_fontType = enFont16Bit;
	w_nIME_Index = IME_ID_digit;
	w_nIME_State = IME_ST_digit;
	w_nStyle = 0;
	w_pCandidateBar = CCandidateBar::Instance();
}

CEditBox::~CEditBox()
{

}

int CEditBox::CreateWindow(
				CWnd * pParentWnd,
				int nX1,
				int nY1,
				int nWidth,
				int nHeight,
				int nTextLimit)
{
	w_nTextLimint = nTextLimit;
	w_bShowCursor = 0;
	w_bHaveFocus = 0;
	w_fontType = enFont16Bit;
	w_nIME_Index = IME_ID_digit;
	w_nIME_State = IME_ST_digit;

	Clear();

	//创建窗体
	int nRet = CWnd::CreateWindow(pParentWnd, nX1,  nY1, nWidth, nHeight);

	w_EditBoxTimer.Start(5, 5);
	
	
	return nRet;
	
}

void CEditBox::OnPaint()
{
	int x;
	int y;
	int nCurrsorPosition;
    	int nTextLenght;

	CRect rc;
	GetWindowRect(&rc);

	rc.w_nY2 = rc.w_nY2 -1;
	rc.w_nX2 = rc.w_nX2 -1;

	// 默认状态
	if(!(w_nStyle))
	{
		//ButtonFrame(rc.x1,rc.y1,rc.x2-rc.x1,rc.y2-rc.y1,1);
		// @ltq001.2005-8-4 修改文本框的外形为方角
		RectFrame(rc.w_nX1, rc.w_nY1, rc.w_nX2-rc.w_nX1, rc.w_nY2-rc.w_nY1);

		
		TextOut((const unsigned char *)(w_strText),
			rc.w_nX1 + 3,
			rc.w_nY1 + (rc.w_nY2-rc.w_nY1-GetLineCNT(w_fontType))/2,
			w_fontType,
			0);
				
		if(w_bShowCursor)
		{
			//draw cursor
			nCurrsorPosition = GetTextWidth((const unsigned char *)(w_strText), w_fontType, w_nCursorIndex);
			DrawVerticalLine(rc.w_nX1 + 3+nCurrsorPosition,rc.w_nY1+3,rc.w_nY2-rc.w_nY1-6,1);
		}
	}
	else if((w_nStyle & EDIT_STYLE_NEG)) // 在反显状态下文本框为无框的,且不会显示光标和图标
	{
		RectangleBlock(rc.w_nX1, rc.w_nY1, rc.w_nX2-rc.w_nX1, rc.w_nY2-rc.w_nY1, 0);
		
		// 判断为居中显示还是向左对齐
		if(w_nStyle & EDIT_STYLE_ALIGN_MID)
		{
			// 居中对齐
			TextOut((const unsigned char *)(w_strText),
				rc.w_nX1 + ((rc.w_nX2-rc.w_nX1-GetTextWidth((const unsigned char *)(w_strText),
				w_fontType,-1))/2),
				rc.w_nY1 + (rc.w_nY2-rc.w_nY1-GetLineCNT(w_fontType))/2,
				w_fontType,
				1);
		}
		else
		{
			// 左对齐
			TextOut((const unsigned char *)(w_strText),
				rc.w_nX1 + 3,
				rc.w_nY1 + (rc.w_nY2-rc.w_nY1-GetLineCNT(w_fontType))/2,
				w_fontType,
				1);
		}
	}
	else
	{
		// 正显状态下
		if(w_nStyle & EDIT_STYLE_NO_FRAME)
		{
			//  无框
			RectangleBlock(rc.w_nX1, rc.w_nY1, rc.w_nX2-rc.w_nX1, rc.w_nY2-rc.w_nY1, 1);
		}
		else if(w_nStyle & EDIT_STYLE_UNDERLINE) // 添加下滑线支持
		{
			RectangleBlock(rc.w_nX1, rc.w_nY1, rc.w_nX2-rc.w_nX1, rc.w_nY2-rc.w_nY1, 1);
			DrawHorizontalLine(rc.w_nX1, rc.w_nY2, rc.w_nX2-rc.w_nX1, 1);
		}
		else
		{
			//  有框
			//ButtonFrame(rc.x1,rc.y1,rc.x2-rc.x1,rc.y2-rc.y1,1);
			//////////////////////////////////
			// @ltq001.2005-8-4 修改文本框的外形为方角
			RectFrame(rc.w_nX1, rc.w_nY1, rc.w_nX2-rc.w_nX1, rc.w_nY2-rc.w_nY1);
		}
		
		if(w_nStyle & EDIT_STYLE_ALIGN_MID)
		{
			// 居中对齐则不支持光标
			TextOut((const unsigned char *)(w_strText),
				rc.w_nX1 + ((rc.w_nX2-rc.w_nX1-GetTextWidth((const unsigned char *)(w_strText),
				w_fontType,-1))/2),
				rc.w_nY1 + (rc.w_nY2-rc.w_nY1-GetLineCNT(w_fontType))/2,
				w_fontType,
				0);
		}
		else
		{
			// 左对齐
			TextOut((const unsigned char *)(w_strText),
				rc.w_nX1 + 3,
				rc.w_nY1 + (rc.w_nY2-rc.w_nY1-GetLineCNT(w_fontType))/2,
				w_fontType,
				0);
					
			if(w_bShowCursor)
			{
				//draw cursor
				nCurrsorPosition = GetTextWidth((const unsigned char *)(w_strText),
									w_fontType, w_nCursorIndex);
				DrawVerticalLine(rc.w_nX1 + 3+nCurrsorPosition, rc.w_nY1+3, rc.w_nY2-rc.w_nY1-6, 1);
			}
		}
	}
	

	//增加图标表示当前输入方法
	if(w_bHaveFocus)
	{
		x = rc.w_nX2 - 20;
		y = (rc.w_nY1 + rc.w_nY2)/2 - 8;
		switch(w_nIME_Index)
		{
			case IME_ID_digit:
				DrawIcon(ICON16_NU,x,y,0);
				break;
			
			case IME_ID_CH:
				DrawIcon(ICON16_CH,x,y,0);
				break;
			
			case IME_ID_EN:
				DrawIcon(ICON16_EN,x,y,0);
				break;
		}
		
	}
}

void CEditBox::OnTimer(CTimer *pTimer)
{
	if(w_bHaveFocus)
	{
		// 在正显示模式下,且为左对齐的情况下才有光标闪烁
		if( !(w_nStyle & EDIT_STYLE_NEG) &&
			!(w_nStyle & EDIT_STYLE_ALIGN_MID) )
		{	
			w_bShowCursor = !w_bShowCursor;
			SetUIDirty(1);
//			RefreshAll();
		}
		
		//计时英文字母选择状态延续的时间
		if(w_nIME_State == IME_ST_EN_CHOOSE)
		{
			w_nEN_TicksRemained--;
			if(w_nEN_TicksRemained <= 0)
			{
				//超时自动切换
				w_nIME_State = IME_ST_EN_IDLE;
			}
		}
		
		//标点选择态
		if(w_nIME_State == IME_ST_punc_CHOOSE)
		{
			w_nEN_TicksRemained--;
			if(w_nEN_TicksRemained <= 0)
			{
				//超时自动切换
				if(w_nIME_Index == IME_ID_EN)
				{
					w_nIME_State = IME_ST_EN_IDLE;
				}
				else if(w_nIME_Index == IME_ID_CH)
				{
					w_nIME_State = IME_ST_CH_IDLE;
				}
			}
		}
	}

}

void CEditBox::Clear()
{
	int i;
	for(i = 0; i < EDIT_MAX_TEXT_LEN; i++)
	{
		w_strText[i] = 0;		
	}
	w_nCursorIndex = 0;
	w_nTextCounter = 0;
}

void CEditBox::CursorMove(int nStep)
{
	if(w_nCursorIndex + nStep <0)
	{
		w_nCursorIndex = 0;
	}
	else if(w_nCursorIndex + nStep > w_nTextCounter)
	{
		w_nCursorIndex = w_nTextCounter;
	}
	else
	{
		w_nCursorIndex += nStep;
	}
	
	w_bShowCursor = 1;
	SetUIDirty(1);
}

void CEditBox::SetCurChar(char c)
{
	int nCurOffset = GetWordIndex(w_strText, w_nCursorIndex);
	if(w_nCursorIndex<= w_nTextCounter)
	{
		w_strText[nCurOffset-1] = c;
		SetUIDirty(1);
	}
	return;
}

void CEditBox::Insert(char * strChar)
{
	int nOffset;
	int nInsertLen;
	int i;
	int nStrLen;
	int nInsertWords;
	
	nStrLen=strlen(w_strText);
	nOffset = GetWordIndex(w_strText, w_nCursorIndex);
	nInsertWords=GetWordLen(strChar);
	
	if(w_nTextCounter + nInsertWords < w_nTextLimint)
	{
		nInsertLen = strlen(strChar);
		for(i = nStrLen; i >= nOffset; i--)//@ltq001.2005-8-3修正bug
		{
			w_strText[i+nInsertLen] = w_strText[i];
		}
		strncpy(w_strText + nOffset, strChar, nInsertLen);
		w_nTextCounter += nInsertWords;
		w_nCursorIndex += nInsertWords;
	}

	SetUIDirty(1);
}

void CEditBox::Delete()
{
	int nCurOffset;
	int nNextOffset;
	int nTotalLenght;
	int i;
	char *p;
	
	if( w_nCursorIndex >= w_nTextCounter)
	{
		return;
	}
	
	nCurOffset = GetWordIndex(w_strText, w_nCursorIndex);
	nNextOffset = GetWordIndex(w_strText, w_nCursorIndex+1);
	nTotalLenght = strlen(w_strText);
	p = w_strText + nCurOffset;
	
	for(i = nNextOffset; i <= nTotalLenght; i++)
	{
		*p++ = w_strText[i];
	}
	
	w_nTextCounter -- ;
	SetUIDirty(1);
}

void CEditBox::Backspace()
{
	int nCurOffset;
	int nNextOffset;
	int nTotalLenght;
	int i;
	char *p;
	
	if( w_nCursorIndex == 0)
	{
		return;
	}
	
	nCurOffset = GetWordIndex(w_strText, w_nCursorIndex-1);
	nNextOffset = GetWordIndex(w_strText, w_nCursorIndex);
	nTotalLenght = strlen(w_strText);
	p = w_strText+nCurOffset;
	
	for(i = nNextOffset; i <= nTotalLenght; i++)
	{
		*p++ = w_strText[i];
	}
	
	w_nTextCounter-- ;
	w_nCursorIndex--;
	SetUIDirty(1);
}


int CEditBox::GetTextCounter()
{
	return 	w_nTextCounter;
}


void CEditBox::SetFont(enum enFontType font)
{
	w_fontType = font;
}

void CEditBox::SetStyle(int nStyle)
{
	w_nStyle = nStyle;	
}

////////////////////////////////////////////////////////////
//
//
void CEditBox::SetIME(int nIME_Index)
{
	switch(nIME_Index)
	{
		case IME_ID_digit:
			w_nIME_Index = nIME_Index;
			w_nIME_State = IME_ST_digit;
		break;
		case IME_ID_EN:
			w_nIME_Index = nIME_Index;
			w_nIME_State = IME_ST_EN_IDLE;
		break;
		case IME_ID_CH:
			w_nIME_Index = nIME_Index;
			w_nIME_State = IME_ST_CH_IDLE;
		break;
	}
}
void CEditBox::SetFocus(int bHaveFocus)
{
	if(w_bHaveFocus && !bHaveFocus)
	{
		//失去焦点时，输入法的内部状态需要复原
		switch(w_nIME_State)
		{
			case IME_ST_digit:
			case IME_ST_EN_IDLE:
			case IME_ST_CH_IDLE:
			case IME_ST_EN_CHOOSE:
			case IME_ST_punc_CHOOSE:
			break;
			
			case IME_ST_punc:
			case IME_ST_CH_CHOOSE:
				//销毁候选窗口
				w_pCandidateBar->CloseWindow();
			break;

			default:
				break;
		}
		
		//恢复到空闲状态
		switch(w_nIME_Index)
		{
			case IME_ID_digit:
				w_nIME_State = IME_ST_digit;
			break;
			
			case IME_ID_EN:
				w_nIME_State = IME_ST_EN_IDLE;
			break;
			
			case IME_ID_CH:
				w_nIME_State = IME_ST_CH_IDLE;
			break;

			default:
				break;
		}
	}

	w_bHaveFocus = bHaveFocus;
	w_bShowCursor = w_bHaveFocus;

	SetUIDirty(1);
//	RefreshAll();
}

int CEditBox::HaveFocus()
{
	return w_bHaveFocus ;
}

void CEditBox::OnKey(int nKeyCode, int bKeyDown)
{
	
}
////////////////////////////////////////////////////////////////////////////
//
//本函数为一个代理函数，由上层应用程序调用，用来接管处理
//用户按键，本函数返回>0的值代表输入的键值被接受并处理
//
int CEditBox::HandleKey(int nKeyCode, int flag)
{
	const IME_PY_DCODE * pIME_py_dcode;
	char strTextTemp[10];
	
	//在所有处理之前，首先根据本输入框的enbale状态决定是否接受按键输入
	if (!(w_bHaveFocus))
	{
		return 0;
	}
	
	//
	// 输入IDLE状态的共同按键响应:上下键移动光标，删除键删除光标前一个字符
	//
	switch(w_nIME_State)
	{
		case IME_ST_digit:
		case IME_ST_EN_IDLE:
		case IME_ST_CH_IDLE:
		{
			if(nKeyCode == IME_KEY_ESC)
			{
				if(w_strText[0] == 0)
				{
					SetFocus(0);
				}
				else
				{
					Backspace();
					//RefreshAll();
				}
				return 1;
			}
			else if(nKeyCode == IME_KEY_SELUP)
			{
				CursorMove(-1);
//				RefreshAll();
				return 1;
			}
			else if(nKeyCode == IME_KEY_SELDOWN)
			{
				CursorMove(1);
//				RefreshAll();
				return 1;
			}
			break;
		}
	}
	
	//
	// 标点输入相关：按下number 1输入标点但是并不改变输入法
	//
	switch(w_nIME_State)
	{
		case IME_ST_EN_IDLE:
		case IME_ST_CH_IDLE:
		{
			if(nKeyCode == IME_KEY_NUM1)
			{
				//显示全部候选标点，转入标点输入状态
				CRect rc;
				GetWindowRect(&rc);
				w_pCandidateBar->CreateWindow(GetParentWnd(),//候选窗显示在和EditBox同级别的窗体中
					0,
					0,						//候选窗的位置坐标在后面的代码中调整
					200,						//宽度
					GetLineCNT(w_fontType)+8,	//高度
					w_fontType);				//候选窗使用和editbox一样的字体

				//显示全部候选标点
				w_pCandidateBar->SetCandidate("标点", ppIME_EN_Table[0]);
				
				//弹出候选窗到editbox周围
				w_pCandidateBar->Pop(&rc);
				
				w_nIME_State = IME_ST_punc;
				
				return 1;
			}
			else if(nKeyCode == IME_KEY_NUM0 )
			{
				//简便标点输入
				w_nEN_KeyNumber = IME_KEY_NUM0;
				w_nEN_CurCandidate = 0;
				
				strTextTemp[0] = ppIME_EN_Table[0][w_nEN_CurCandidate];
				strTextTemp[1] =0 ;
				Insert(strTextTemp);
				//RefreshAll();
				w_nIME_State = IME_ST_punc_CHOOSE;
				w_nEN_TicksRemained = 3;
				return 1;
			}
			break;
		}
		
		case IME_ST_punc_CHOOSE:
		{
			if(w_nEN_KeyNumber == nKeyCode)
			{
				//1 second内重复按0键,更改当前输入标点为下一个候选
				w_nEN_CurCandidate++;
				if(ppIME_EN_Table[0][w_nEN_CurCandidate] == 0)
				{
					w_nEN_CurCandidate = 0;
				}
				
				SetCurChar(ppIME_EN_Table[0][w_nEN_CurCandidate]);
				//RefreshAll();