Files
AccompanyCube/BasePanelUnit.cpp
2026-06-13 00:10:11 +08:00

984 lines
27 KiB
C++

//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop
#include "GlobalUnit.h"
#include "BasePanelUnit.h"
#include "PNGButton.hpp"
//---------------------------------------------------------------------------
#pragma package(smart_init)
//---------------------------------------------------------------------------
__fastcall BasePanelUnit::TPanel::TPanel(TComponent* AOwner)
: TShowBarsPanel(AOwner)
{
m_lstStageHeader = NULL;
m_bStageHeaderDraging = false;
m_iPreApartBar = m_iPreDeleteStage =
m_iDragStage = m_iFocusCell = -1;
m_nChordWidth = 40;
m_nChordHeight = 20;
}
//---------------------------------------------------------------------------
__fastcall BasePanelUnit::TPanel::~TPanel()
{
if( m_lstStageHeader ){
m_lstStageHeader->Free();
}
}
//---------------------------------------------------------------------------
void BasePanelUnit::TPanel::InitialVars()
{
TShowBarsPanel::InitialVars( g_lstMelodyBars.size() );
if( m_lstStageHeader && m_lstStageHeader->Count > 0 ){
m_lstStageHeader->Clear();
}
for( int i=0; i<g_lstMelodyStages.size(); i++ ){
MELODYSTAGE* pStage = g_lstMelodyStages[i];
AddStageHeader( i, pStage->iFirstBar, pStage->iVar );
}
}
//---------------------------------------------------------------------------
TImage * BasePanelUnit::TPanel::NewStageHeader( int iVar )
{
TImage * pImg = new TImage(NULL);
TPoint aPoints[3] = { TPoint(0,0), TPoint(0,12), TPoint(12,0) };
pImg->Tag = iVar;
pImg->Width = 12;
pImg->Height = 12;
pImg->Canvas->Brush->Color = clWhite;
TRect rc( 0, 0, 12, 12 );
pImg->Canvas->FillRect(rc);
pImg->Canvas->Brush->Color = g_clrStage[iVar % STAGE_VAR_NUM];
pImg->Canvas->Pen->Color = COLOR_BORDER;
pImg->Canvas->Polygon( aPoints, 2 );
pImg->Picture->Bitmap->Transparent = true;
pImg->Picture->Bitmap->TransparentMode = tmFixed;
pImg->Picture->Bitmap->TransparentColor = clWhite;
pImg->Transparent = true;
pImg->Parent = this;
return pImg;
}
//---------------------------------------------------------------------------
void BasePanelUnit::TPanel::UpdateStageHeader( int iStage )
{
TImage * pImg = (TImage*)(*m_lstStageHeader)[iStage];
TPoint aPoints[3] = { TPoint(0,0), TPoint(0,12), TPoint(12,0) };
pImg->Canvas->Brush->Color = g_clrStage[pImg->Tag % STAGE_VAR_NUM];
pImg->Canvas->Polygon( aPoints, 2 );
}
//---------------------------------------------------------------------------
void BasePanelUnit::TPanel::AddStageHeader( int iStage, int iShowBar, int iVar )
{
int iRow = iShowBar / m_nColumnNum - m_nBeginShowRow;
int iCol = iShowBar % m_nColumnNum;
TImage * pSHImg = NewStageHeader( iVar );
pSHImg->Left = iCol * m_nBarWidth + m_nLeftBound;
pSHImg->Top = iRow * m_nBarHeight + m_nTopBound + 4;
pSHImg->OnMouseDown = StageHeaderMouseDown;
pSHImg->OnMouseUp = StageHeaderMouseUp;
pSHImg->OnMouseMove = StageHeaderMouseMove;
pSHImg->ShowHint = true;
if( iStage>0 ) pSHImg->Cursor = crSizeWE;
m_lstStageHeader->Insert( iStage, pSHImg );
for( int i=iStage; i<m_lstStageHeader->Count; i++ ){
TImage * pImg = (TImage*)(*m_lstStageHeader)[i];
pImg->Hint = GetElementInfo(i, LIST_MELODYSTAGES).c_str();
}
}
//---------------------------------------------------------------------------
void BasePanelUnit::TPanel::RemoveStageHeader( int iStage )
{
TImage * pRemoveHeader = (TImage*)(*m_lstStageHeader)[iStage];
m_lstStageHeader->Remove( pRemoveHeader );
for( int i=iStage; i<m_lstStageHeader->Count; i++ ){
TImage * pImg = (TImage*)(*m_lstStageHeader)[i];
pImg->Hint = GetElementInfo(i, LIST_MELODYSTAGES).c_str();
}
}
//---------------------------------------------------------------------------
void __fastcall BasePanelUnit::TPanel::CreateWnd(void)
{
TShowBarsPanel::CreateWnd();
if( !ParentBackground ){
m_lstStageHeader = new TComponentList( true );
}
}
//---------------------------------------------------------------------------
void __fastcall BasePanelUnit::TPanel::SetBarTitle( int iBar, String& strText )
{
MELODYBAR *pMBar = g_lstMelodyBars[iBar];
if( pMBar->iFill!=-1 ){
int nSpaceCount = 6 - strText.Length();
for( int i=0; i<nSpaceCount; i++ )
strText = strText + " ";
strText = strText + g_strFill[pMBar->iFill];
}
}
//---------------------------------------------------------------------------
void __fastcall BasePanelUnit::TPanel::DrawBarOperation( int iBar, int leftDraw, int topDraw )
{
int iStage = -1;
if( m_bStageHeaderDraging ){
iStage = m_iDragStage;
}
else{
iStage = FindStage( iBar );
}
if( iStage>=0 && iStage<m_lstStageHeader->Count ){
TImage * pImg = (TImage*)(*m_lstStageHeader)[iStage];
if( pImg->Left>=leftDraw && pImg->Left<leftDraw+m_nBarWidth &&
pImg->Top >= topDraw && pImg->Top < topDraw+m_nRowGapHeight){
String strText = GetStageName( iStage ).c_str();
Canvas->Brush->Style = bsClear;
Canvas->TextOut( pImg->Left+15, topDraw+4, strText );
}
}
}
//---------------------------------------------------------------------------
void __fastcall BasePanelUnit::TPanel::DrawBarBkgnd( int iBar, int leftDraw, int topDraw )
{
TRect rectBar;
rectBar.left = leftDraw;
rectBar.right = rectBar.left + m_nDataWidth;
rectBar.top = topDraw;
rectBar.bottom = rectBar.top + m_nDataHeight;
int iStage = FindStage( iBar );
if( iStage>=0 ){
MELODYSTAGE* pStage = g_lstMelodyStages[iStage];
if( m_bStageHeaderDraging && m_iDragStage>0 ){
TImage * pImg = (TImage*)(*m_lstStageHeader)[m_iDragStage];
if( iStage<m_iDragStage-1 || iStage>m_iDragStage ){
Canvas->Brush->Color = g_clrStage[pStage->iVar % STAGE_VAR_NUM];
Canvas->FillRect( rectBar );
}
else if( pImg->Left > leftDraw && pImg->Left < leftDraw+m_nBarWidth &&
pImg->Top >= (topDraw-m_nTitleHeight-m_nRowGapHeight) &&
pImg->Top < topDraw ){
rectBar.right = pImg->Left;
MELODYSTAGE* pPreStage = g_lstMelodyStages[m_iDragStage-1];
Canvas->Brush->Color = g_clrStage[pPreStage->iVar % STAGE_VAR_NUM];
Canvas->FillRect( rectBar );
MELODYSTAGE* pDragStage = g_lstMelodyStages[m_iDragStage];
rectBar.left = pImg->Left;
rectBar.right = leftDraw + m_nDataWidth;
Canvas->Brush->Color = g_clrStage[pDragStage->iVar % STAGE_VAR_NUM];
Canvas->FillRect( rectBar );
}
else if( pImg->Left <= leftDraw && pImg->Top<topDraw ||
pImg->Top < (topDraw-m_nTitleHeight-m_nRowGapHeight)){
MELODYSTAGE* pDragStage = g_lstMelodyStages[m_iDragStage];
Canvas->Brush->Color = g_clrStage[pDragStage->iVar % STAGE_VAR_NUM];
Canvas->FillRect( rectBar );
}
else{
MELODYSTAGE* pPreStage = g_lstMelodyStages[m_iDragStage-1];
Canvas->Brush->Color = g_clrStage[pPreStage->iVar % STAGE_VAR_NUM];
Canvas->FillRect( rectBar );
}
}
else if( ( m_iPreApartBar<pStage->iFirstBar || iBar<m_iPreApartBar ) &&
( m_iPreDeleteStage<0 || m_iPreDeleteStage!=iStage &&
m_iPreDeleteStage!=iStage+1 )){
Canvas->Brush->Color = g_clrStage[pStage->iVar % STAGE_VAR_NUM];
Canvas->FillRect( rectBar );
}
else{
Canvas->Brush->Color = clWhite;
Canvas->FillRect( rectBar );
}
}
//绘制选中和弦框
if( m_iFocusCell!=-1 && iBar==m_iFocusCell/2 ){
TRect rectFocus;
rectFocus.top = topDraw;
rectFocus.bottom = topDraw + m_nDataHeight;
rectFocus.left = leftDraw;
if( m_iFocusCell%2 > 0 ) rectFocus.left += m_nDataWidth/2;
int nFocusCellWidth = g_iMelodyTimeSignature==0 ? m_nDataWidth/2-1 : m_nDataWidth-1;
rectFocus.right = rectFocus.left + nFocusCellWidth;
DrawFocusedCell( rectFocus );
}
}
//---------------------------------------------------------------------------
void __fastcall BasePanelUnit::TPanel::DrawBarContext( int iBar, int leftDraw, int topDraw )
{
MELODYBAR *pMBar = g_lstMelodyBars[iBar];
if( pMBar->iChords[0]==-1 && pMBar->iChords[1]==-1 ){
return;
}
TRect rectDest;
rectDest.top = topDraw + 4;
rectDest.bottom = rectDest.top + m_nChordHeight;
if( g_iMelodyTimeSignature==0 ){
//绘制第一个和弦
rectDest.left = leftDraw + ( m_nDataWidth/2 - m_nChordWidth ) / 2;
rectDest.right = rectDest.left + m_nChordWidth;
DrawChord( rectDest, pMBar->iChords[0] );
//绘制第二个和弦
if( pMBar->iChords[1]!=-1 ){
rectDest.left = leftDraw + m_nDataWidth/2 + ( m_nDataWidth/2 - m_nChordWidth ) / 2;
rectDest.right = rectDest.left + m_nChordWidth;
DrawChord( rectDest, pMBar->iChords[1] );
}
}
else{
//只绘制一个和弦
rectDest.left = leftDraw + ( m_nDataWidth - m_nChordWidth ) / 2;
rectDest.right = rectDest.left + m_nChordWidth;
DrawChord( rectDest, pMBar->iChords[0] );
}
}
//---------------------------------------------------------------------------
void BasePanelUnit::TPanel::DrawFocusedCell( TRect& rectFocus )
{
TColor clrOld = Canvas->Pen->Color;
Canvas->Pen->Color = g_clrFocus;
Canvas->Rectangle( rectFocus );
//绘制阴影
BYTE rD = 110, gD = 108, bD = 105,
rL = 230, gL = 226, bL = 217;
for( int i=0; i<3; i++ ){
if( i<2 ){
Canvas->Pen->Color = RGB(rL, gL, bL);
Canvas->MoveTo( rectFocus.left+i+1, rectFocus.bottom-i-2 );
Canvas->LineTo( rectFocus.right-i-2, rectFocus.bottom-i-2 );
Canvas->MoveTo( rectFocus.right-i-2, rectFocus.top+i+1 );
Canvas->LineTo( rectFocus.right-i-2, rectFocus.bottom-i-2 );
rL -= 10, gL -= 10, bL -= 10;
}
Canvas->Pen->Color = RGB(rD, gD, bD);
Canvas->MoveTo( rectFocus.left+i+1, rectFocus.top+i+1 );
Canvas->LineTo( rectFocus.right-i-2, rectFocus.top+i+1 );
Canvas->MoveTo( rectFocus.left+i+1, rectFocus.top+i+1 );
Canvas->LineTo( rectFocus.left+i+1, rectFocus.bottom-i-2 );
rD += 30, gD += 30, bD += 30;
}
Canvas->Pen->Color = clrOld;
}
//---------------------------------------------------------------------------
bool BasePanelUnit::TPanel::SetFocusCell( int iBar, bool bSecond )
{
int iFocusCell = -1;
int iOldFocusBar = -1;
if( m_iFocusCell!=-1 ){
iOldFocusBar = m_iFocusCell / 2;
}
if( iBar!=-1 ){
iFocusCell = iBar*2+bSecond;
}
if( m_iFocusCell!=iFocusCell ){
m_iFocusCell = iFocusCell;
if( iOldFocusBar!=-1 && iOldFocusBar!=iBar ){
InvalidateBar( iOldFocusBar, 0, m_nBarWidth );
}
if( iBar!=-1 ){
InvalidateBar( iBar, 0, m_nBarWidth );
}
return true;
}
return false;
}
//---------------------------------------------------------------------------
int BasePanelUnit::TPanel::GetFocusChord( int& iMainKey, int& iAjustKey, int& iChordType )
{
int ret = -1;
if( m_iFocusCell!=-1 ){
int iBar = m_iFocusCell/2;
MELODYBAR *pMBar = g_lstMelodyBars[iBar];
if( m_iFocusCell%2>0 ){
ret = pMBar->iChords[1];
}
else{
ret = pMBar->iChords[0];
}
}
iAjustKey = 0;
if( ret!=-1 ){
int iKey = ret / CHORD_TYPE_NUM;
iChordType = ret % CHORD_TYPE_NUM;
switch( iKey ){
case 0:
case 7:
iMainKey = (iKey+1)/2;
break;
case 1:
case 2:
case 3:
case 4:
iMainKey = (iKey+1) / 2;
iAjustKey = -(iKey % 2);
break;
case 5:
case 6:
iMainKey = (iKey+1)/2;
iAjustKey = 1 - (iKey%2);
break;
case 8:
case 9:
case 10:
case 11:
iMainKey = (iKey+2)/2;
iAjustKey = (iKey%2) - 1;
break;
default:
break;
}
}
else{
iMainKey = -1;
iChordType = 0;
}
return ret;
}
//---------------------------------------------------------------------------
bool BasePanelUnit::TPanel::SetFocusChord( int iMainKey, int iAjustKey, int iChordType )
{
int iKey=-1, iChord;
switch( iMainKey ){
case 0:
iKey = 0;
break;
case 1:
case 2:
iKey = iMainKey * 2;
if( iAjustKey<0 ) iKey += iAjustKey;
break;
case 3:
iKey = 5;
if( iAjustKey>0 ) iKey += iAjustKey;
break;
case 4:
iKey = 7;
break;
case 5:
case 6:
iKey = iMainKey * 2 - 1;
if( iAjustKey<0 ) iKey += iAjustKey;
break;
default:
break;
}
if( iKey==-1 )
iChord = -1;
else{
iChord = iKey * CHORD_TYPE_NUM + iChordType;
}
if( m_iFocusCell!=-1 ){
int iBar = m_iFocusCell/2;
MELODYBAR *pMBar = g_lstMelodyBars[iBar];
bool bChanged = false;
int iMaxPoint = POINTS_PER_BAR;
if( m_iFocusCell%2>0 ){
if( pMBar->iChords[1] != iChord ){
pMBar->iChords[1] = iChord;
bChanged = true;
}
}
else{
if( pMBar->iChords[0] != iChord ){
pMBar->iChords[0] = iChord;
bChanged = true;
}
iMaxPoint = POINTS_PER_BAR / 2;
}
if( bChanged ){
InvalidateBar( iBar, 0, m_nBarWidth );
if( m_bPlaying && ( m_iPlayBar<iBar || m_iPlayBar==iBar
&& m_iPlayPoint<iMaxPoint ) )
Parent->Perform(UM_RELOAD, 0, 0 );
}
return true;
}
else
return false;
}
//---------------------------------------------------------------------------
int BasePanelUnit::TPanel::FindStage( int iBar )
{
if( iBar>=0 ){
int nStageNum = g_lstMelodyStages.size();
for( int i=0; i<nStageNum; i++ ){
MELODYSTAGE* pStage = g_lstMelodyStages[i];
if( pStage->iFirstBar<=iBar && pStage->iLastBar>=iBar ){
return i;
}
}
}
return -1;
}
//---------------------------------------------------------------------------
bool BasePanelUnit::TPanel::SetApartPos( int iBar, int iPoint, bool bPre )
{
bool bSuccess = false;
int iSetStage = FindStage( iBar );
int iOldStage = FindStage( m_iPreApartBar );
if( iSetStage!=iOldStage && iOldStage>=0 ){
m_iPreApartBar = -1;
MELODYSTAGE* pOldStage = g_lstMelodyStages[iOldStage];
for( int i=pOldStage->iFirstBar+1; i<=pOldStage->iLastBar; i++ ){
InvalidateBar( i, 0, m_nBarWidth );
}
}
if( iSetStage>=0 ){
int iSetBar = -1;
MELODYSTAGE* pSetStage = g_lstMelodyStages[iSetStage];
if( iPoint<POINTS_PER_BAR/2 && iBar!=pSetStage->iFirstBar ){
iSetBar = iBar;
}
else if( iPoint>=POINTS_PER_BAR/2 && iBar!=pSetStage->iLastBar ){
iSetBar = iBar + 1;
}
if( bPre && iSetBar!=m_iPreApartBar ){
m_iPreApartBar = iSetBar;
for( int i=pSetStage->iFirstBar+1; i<=pSetStage->iLastBar; i++ ){
InvalidateBar( i, 0, m_nBarWidth );
}
bSuccess = true;
}
else if( !bPre && iSetBar!=-1 ){
m_iPreApartBar = -1;
MELODYSTAGE* pNewStage = new MELODYSTAGE;
pNewStage->iFirstBar = iSetBar;
pNewStage->iLastBar = pSetStage->iLastBar;
pNewStage->iVar = (pSetStage->iVar + 1) % STAGE_VAR_NUM;
if( iSetStage<g_lstMelodyStages.size()-1 &&
g_lstMelodyStages[iSetStage+1]->iVar==pNewStage->iVar ){
pNewStage->iVar = ( pNewStage->iVar + 1) % STAGE_VAR_NUM;
}
pSetStage->iLastBar = iSetBar-1;
if( iSetStage<g_lstMelodyStages.size() ){
MELODYSTAGELIST::iterator iMS = g_lstMelodyStages.begin()+iSetStage+1;
g_lstMelodyStages.insert( iMS, pNewStage );
}
else{
g_lstMelodyStages.push_back( pNewStage );
}
for( int i=pNewStage->iFirstBar; i<=pNewStage->iLastBar; i++ ){
InvalidateBar( i, 0, m_nBarWidth );
}
AddStageHeader( iSetStage+1, pNewStage->iFirstBar, pNewStage->iVar );
for( int i=iSetStage+1; i<g_lstMelodyStages.size(); i++ ){
MELODYSTAGE * pUpdateStage = g_lstMelodyStages[i];
InvalidateBar( pUpdateStage->iFirstBar, 0, m_nBarWidth, BAR_HEADER );
}
//BOOL bModified = m_bkMelody.CheckModified( CHECK_STAGE | CHECK_POS );
// if( m_bPlaying )
// Parent->Perform(UM_RELOAD, 0, 0 );
bSuccess = true;
}
}
return bSuccess;
}
//---------------------------------------------------------------------------
bool BasePanelUnit::TPanel::SetCombinePos( int iBar, int iPoint, bool bPre )
{
bool bSuccess = false;
int iDeleteStage = -1;
int iOldStage = m_iPreDeleteStage;
int iHitStage = FindStage( iBar );
if( iHitStage>=0 ){
MELODYSTAGE* pHitStage = g_lstMelodyStages[iHitStage];
if( iPoint<POINTS_PER_BAR/2 && iBar==pHitStage->iFirstBar && iHitStage>0 ){
iDeleteStage = iHitStage;
}
else if( iPoint>=POINTS_PER_BAR/2 && iBar==pHitStage->iLastBar &&
iHitStage<g_lstMelodyStages.size()-1 ){
iDeleteStage = iHitStage + 1;
}
}
if( iDeleteStage!=iOldStage && iOldStage>0 ){
m_iPreDeleteStage = -1;
if( iDeleteStage<0 || iOldStage<iDeleteStage ){
MELODYSTAGE* pOldStage = g_lstMelodyStages[iOldStage-1];
for( int i=pOldStage->iFirstBar; i<=pOldStage->iLastBar; i++ ){
InvalidateBar( i, 0, m_nBarWidth );
}
}
if( iDeleteStage<0 || iOldStage<iDeleteStage-1 ){
MELODYSTAGE* pOldStage = g_lstMelodyStages[iOldStage];
for( int i=pOldStage->iFirstBar; i<=pOldStage->iLastBar; i++ ){
InvalidateBar( i, 0, m_nBarWidth );
}
}
if( iDeleteStage<0 || iOldStage>iDeleteStage ){
MELODYSTAGE* pOldStage = g_lstMelodyStages[iOldStage];
for( int i=pOldStage->iFirstBar; i<=pOldStage->iLastBar; i++ ){
InvalidateBar( i, 0, m_nBarWidth );
}
}
if( iDeleteStage<0 || iOldStage>iDeleteStage+1 ){
MELODYSTAGE* pOldStage = g_lstMelodyStages[iOldStage-1];
for( int i=pOldStage->iFirstBar; i<=pOldStage->iLastBar; i++ ){
InvalidateBar( i, 0, m_nBarWidth );
}
}
}
if( bPre ){
m_iPreDeleteStage = iDeleteStage;
if( iDeleteStage>0 ){
MELODYSTAGE* pNewStage = g_lstMelodyStages[iDeleteStage-1];
for( int i=pNewStage->iFirstBar; i<=pNewStage->iLastBar; i++ ){
InvalidateBar( i, 0, m_nBarWidth );
}
pNewStage = g_lstMelodyStages[iDeleteStage];
for( int i=pNewStage->iFirstBar; i<=pNewStage->iLastBar; i++ ){
InvalidateBar( i, 0, m_nBarWidth );
}
}
bSuccess = true;
}
else if( iDeleteStage>0 ){
m_iPreDeleteStage = -1;
MELODYSTAGE* pPreStage = g_lstMelodyStages[iDeleteStage-1];
MELODYSTAGELIST::iterator iMS = g_lstMelodyStages.begin()+iDeleteStage;
pPreStage->iLastBar = (*iMS)->iLastBar;
int iInvalBar = (*iMS)->iFirstBar;
delete (*iMS);
g_lstMelodyStages.erase( iMS );
RemoveStageHeader( iDeleteStage );
InvalidateBar( iInvalBar, 0, m_nBarWidth, BAR_HEADER );
for( int i=pPreStage->iFirstBar; i<=pPreStage->iLastBar; i++ ){
InvalidateBar( i, 0, m_nBarWidth );
}
for( int i=iDeleteStage; i<g_lstMelodyStages.size(); i++ ){
MELODYSTAGE * pUpdateStage = g_lstMelodyStages[i];
InvalidateBar( pUpdateStage->iFirstBar, 0, m_nBarWidth, BAR_HEADER );
}
//BOOL bModified = m_bkMelody.CheckModified( CHECK_STAGE | CHECK_POS );
// if( m_bPlaying )
// Parent->Perform(UM_RELOAD, 0, 0 );
bSuccess = true;
}
return bSuccess;
}
//---------------------------------------------------------------------------
void __fastcall BasePanelUnit::TPanel::StageHeaderMouseDown(TObject *Sender, TMouseButton Button, TShiftState Shift, int X, int Y)
{
TPoint newPoint(X,Y);
newPoint = ((TPNGButton*)Sender)->ClientToScreen( newPoint );
newPoint = ScreenToClient( newPoint );
BasePanelUnit::TPanel::OnMouseDown( Sender, Button, Shift, newPoint.x, newPoint.y );
if( Button==mbLeft ){
TImage* pHeader = (TImage*)Sender;
int iDragStage = m_lstStageHeader->IndexOf(pHeader);
if( iDragStage>0 ){
m_bStageHeaderDraging = true;
m_iDragStage = iDragStage;
m_xDragStart = X;
pHeader->ShowHint = false;
}
}
}
//---------------------------------------------------------------------------
void __fastcall BasePanelUnit::TPanel::StageHeaderMouseMove(TObject *Sender, TShiftState Shift, int X, int Y)
{
if( m_bStageHeaderDraging ){
TImage* pHeader = (TImage*)Sender;
int nInvalidWidth = pHeader->Width + 10; //刷新段号
TPoint newPoint(X, Y);
if( Y < 1 ){
newPoint.y = 1;
}
else if( Y >= pHeader->Height-5 ){
newPoint.y = pHeader->Height-5;
}
MELODYSTAGE * pDragStage = g_lstMelodyStages[m_iDragStage];
int iHitType = -1;
DWORD dwHit = HitTest( pHeader->Left, pHeader->Top, iHitType, false );
int iOldBar = LOWORD(dwHit),
iOldPoint = HIWORD(dwHit);
int iOldStage = FindStage( iOldBar );
int xPos = X - m_xDragStart;
dwHit = HitTest( pHeader->Left+xPos, pHeader->Top, iHitType, false );
int iNewBar, iNewPoint, iNewStage;
if( iHitType>=0 ){
iNewBar = LOWORD(dwHit);
iNewPoint = HIWORD(dwHit);
iNewStage = FindStage( iNewBar );
if( xPos>0 ){ //向右拖动
if( iNewBar<pDragStage->iLastBar ){
pHeader->Left += xPos;
if( iNewBar!=iOldBar ){
InvalidateBar( iOldBar, iOldPoint, m_nBarWidth, BAR_HEADER|BAR_DATA );
InvalidateBar( iNewBar, 0, nInvalidWidth+xPos, BAR_HEADER|BAR_DATA );
}
else{
InvalidateBar( iOldBar, iOldPoint, iNewPoint+nInvalidWidth, BAR_HEADER|BAR_DATA );
if( iOldPoint+nInvalidWidth+xPos>m_nBarWidth ){
InvalidateBar( iOldBar+1, 0, nInvalidWidth+xPos, BAR_HEADER );
}
}
}
else if( iOldBar!=iNewBar ){
pHeader->Left += m_nBarWidth - iOldPoint;
newPoint.x = m_xDragStart + m_nBarWidth - iOldPoint;
InvalidateBar( iOldBar, iOldPoint, m_nBarWidth, BAR_HEADER|BAR_DATA );
InvalidateBar( iNewBar, 0, nInvalidWidth, BAR_HEADER|BAR_DATA );
}
else{
newPoint.x = m_xDragStart;
}
}
else{ //向左拖动
if( iNewStage!=m_iDragStage ){
MELODYSTAGE * pPreStage = g_lstMelodyStages[iNewStage];
if( iNewBar > pPreStage->iFirstBar ){
pHeader->Left += xPos;
if( iNewBar!=iOldBar ){
InvalidateBar( iOldBar, 0, iOldPoint+nInvalidWidth, BAR_HEADER|BAR_DATA );
InvalidateBar( iNewBar, iNewPoint, m_nBarWidth, BAR_HEADER|BAR_DATA );
}
else{
InvalidateBar( iOldBar, iNewPoint, iOldPoint+nInvalidWidth, BAR_HEADER|BAR_DATA );
}
}
else if( iOldBar!=iNewBar ){
pHeader->Left -= iOldPoint;
newPoint.x = m_xDragStart - iOldPoint;
InvalidateBar( iOldBar, 0, iOldPoint+nInvalidWidth, BAR_HEADER|BAR_DATA );
}
}
else{
pHeader->Left += xPos;
if( iNewBar!=iOldBar ){
InvalidateBar( iOldBar, 0, iOldPoint+nInvalidWidth, BAR_HEADER|BAR_DATA );
InvalidateBar( iNewBar, iNewPoint, m_nBarWidth, BAR_HEADER|BAR_DATA );
}
else{
InvalidateBar( iOldBar, iNewPoint, iOldPoint+nInvalidWidth, BAR_HEADER|BAR_DATA );
}
}
}
}
else{
newPoint.x = m_xDragStart;
newPoint.y = pHeader->Height/2;
if( xPos>0 ){ //越过了右边界
pHeader->Left = m_nLeftBound+1;
if( pHeader->Top+m_nBarHeight > m_nTopBound + m_nRowShow * m_nBarHeight ){ //超出底端
ScrollView( m_nBeginShowRow + 1 );
}
else{
pHeader->Top += m_nBarHeight;
}
InvalidateBar( iOldBar, iOldPoint, m_nBarWidth, BAR_DATA );
InvalidateBar( iOldBar, iOldPoint, iOldPoint+nInvalidWidth, BAR_HEADER );
InvalidateBar( iOldBar+1, 0, nInvalidWidth+1, BAR_HEADER|BAR_DATA );
}
else{ //越过了左边界
pHeader->Left = m_nLeftBound+m_nColumnNum*m_nBarWidth-1;
if( pHeader->Top-m_nBarHeight < m_nTopBound ){ //超出顶端
ScrollView( m_nBeginShowRow - 1 );
}
else{
pHeader->Top -= m_nBarHeight;
}
InvalidateBar( iOldBar, 0, iOldPoint+nInvalidWidth, BAR_HEADER|BAR_DATA );
InvalidateBar( iOldBar-1, m_nBarWidth-1, m_nBarWidth+nInvalidWidth-1, BAR_HEADER|BAR_DATA );
}
}
if( newPoint.x!=X || newPoint.y!=Y ){
newPoint = pHeader->ClientToScreen( newPoint );
SetCursorPos( newPoint.x, newPoint.y );
}
}
}
//---------------------------------------------------------------------------
void __fastcall BasePanelUnit::TPanel::StageHeaderMouseUp(TObject *Sender, TMouseButton Button, TShiftState Shift, int X, int Y)
{
if( Button==mbLeft && m_bStageHeaderDraging ){
m_bStageHeaderDraging = false;
TImage* pHeader = (TImage*)Sender;
int nInvalidWidth = pHeader->Width + 10; //刷新段号
int iHitType = -1;
DWORD dwHit = HitTest( pHeader->Left, pHeader->Top, iHitType, false );
int iDestBar = LOWORD(dwHit),
iDestPoint = HIWORD(dwHit);
int iFirstBar = iDestBar;
if( iDestPoint>=m_nBarWidth/2 ){
iFirstBar++;
pHeader->Left += m_nBarWidth-iDestPoint;
if( pHeader->Left>=m_nLeftBound+m_nColumnNum*m_nBarWidth ){
pHeader->Left = m_nLeftBound;
pHeader->Top += m_nBarHeight;
}
InvalidateBar( iDestBar+1, 0, nInvalidWidth, BAR_HEADER|BAR_DATA );
InvalidateBar( iDestBar, iDestPoint, m_nBarWidth, BAR_HEADER|BAR_DATA );
}
else{
pHeader->Left -= iDestPoint;
InvalidateBar( iDestBar, 0, iDestPoint+nInvalidWidth, BAR_HEADER|BAR_DATA );
}
MELODYSTAGE * pDragStage = g_lstMelodyStages[m_iDragStage];
int iOldFirstBar = pDragStage->iFirstBar;
if( iFirstBar!=pDragStage->iFirstBar ){
pDragStage->iFirstBar = iFirstBar;
MELODYSTAGE * pPreStage = g_lstMelodyStages[m_iDragStage-1];
pPreStage->iLastBar = iFirstBar-1;
}
//BOOL bModified = m_bkMelody.CheckModified( CHECK_POS );
if( m_bPlaying )
Parent->Perform(UM_RELOAD, 0, 0 );
m_iDragStage = -1;
pHeader->ShowHint = true;
}
}
//---------------------------------------------------------------------------
void __fastcall BasePanelUnit::TPanel::BarPosChanged()
{
if( m_lstStageHeader && m_lstStageHeader->Count > 0 ){
for( int i=0; i<m_lstStageHeader->Count; i++ ){
if( m_bStageHeaderDraging && m_iDragStage==i )
continue;
TImage * pImg = (TImage*)(*m_lstStageHeader)[i];
MELODYSTAGE * pStage = g_lstMelodyStages[i];
int iRow = pStage->iFirstBar / m_nColumnNum - m_nBeginShowRow;
int iCol = pStage->iFirstBar % m_nColumnNum;
pImg->Left = iCol * m_nBarWidth + m_nLeftBound;
pImg->Top = iRow * m_nBarHeight + m_nTopBound + 4;
}
}
}
//---------------------------------------------------------------------------
void BasePanelUnit::TPanel::SetBarFill( int iBar, int iFill )
{
MELODYBAR *pMBar = g_lstMelodyBars[iBar];
pMBar->iFill = iFill;
InvalidateBar( iBar, 0, m_nBarWidth, BAR_TITLE );
// BOOL bModified = m_bkMelody.CheckModified( CHECK_FILL );
if( m_bPlaying && m_iPlayBar<=iBar )
Parent->Perform(UM_RELOAD, 0, 0 );
}
//---------------------------------------------------------------------------
void BasePanelUnit::TPanel::SetStageVar( int iStage, int iVar )
{
MELODYSTAGE * pSetStage = g_lstMelodyStages[iStage];
pSetStage->iVar = iVar;
for( int i=pSetStage->iFirstBar; i<=pSetStage->iLastBar; i++ ){
InvalidateBar( i, 0, m_nBarWidth, BAR_DATA );
}
TImage * pImg = (TImage*)(*m_lstStageHeader)[iStage];
pImg->Tag = iVar;
pImg->Hint = L"旋律" + String(GetStageName( iStage ).c_str()) +
L"段 " + String(g_strStageVar[pImg->Tag]);
UpdateStageHeader( iStage );
// BOOL bModified = m_bkMelody.CheckModified( CHECK_VAR );
if( m_bPlaying && m_iPlayBar<=pSetStage->iLastBar )
Parent->Perform(UM_RELOAD, 0, 0 );
}
//---------------------------------------------------------------------------
void BasePanelUnit::TPanel::DeleteAllChord()
{
for( int i=0; i<g_lstMelodyBars.size(); i++ ){
MELODYBAR *pMBar = g_lstMelodyBars[i];
pMBar->iChords[0] = -1;
pMBar->iChords[1] = -1;
//InvalidateBar( i, 0, m_nBarWidth, BAR_DATA );
}
Parent->Perform(UM_RELOAD, true, 0 );
Invalidate();
/*
BOOL bModified = m_bkMelody.CheckModified( CHECK_CHORD );
Parent->Perform(UM_ENABLERELOAD, bModified, 0 );
*/
}
//---------------------------------------------------------------------------
bool BasePanelUnit::TPanel::HasChordSet()
{
for( int i=0; i<g_lstMelodyBars.size(); i++ ){
MELODYBAR *pMBar = g_lstMelodyBars[i];
if( pMBar->iChords[0]!=-1 || pMBar->iChords[1]!=-1 )
return true;
}
return false;
}
//---------------------------------------------------------------------------
/*
void BasePanelUnit::TPanel::SetMelodyKey( int iKey )
{
// g_iMelodyKey = iKey;
// BOOL bModified = m_bkMelody.CheckModified( CHECK_KEY );
// Parent->Perform(UM_RELOAD, m_iFocusCell>=0, 0 );
}
//---------------------------------------------------------------------------
BOOL BasePanelUnit::TPanel::CheckModify( int iCheckType )
{
return g_bkMelody.CheckModified( iCheckType );
}
//---------------------------------------------------------------------------
void BasePanelUnit::TPanel::BackupModify()
{
g_bkMelody.Backup();
}
//---------------------------------------------------------------------------
void __fastcall BasePanelUnit::TPanel::KeyDown(System::Word &Key, System::Classes::TShiftState Shift)
{
}
//---------------------------------------------------------------------------
*/