?? colourpopup.cpp
字號:
{
if (m_strDefaultText.GetLength())
row = col = DEFAULT_BOX_VALUE;
else if (m_strCustomText.GetLength())
row = col = CUSTOM_BOX_VALUE;
else
{
row = GetRow(m_nNumColours-1);
col = GetColumn(m_nNumColours-1);
}
}
ChangeSelection(GetIndex(row, col));
}
if (nChar == VK_RIGHT)
{
if (row == DEFAULT_BOX_VALUE)
row = col = 0;
else if (row == CUSTOM_BOX_VALUE)
{
if (m_strDefaultText.GetLength())
row = col = DEFAULT_BOX_VALUE;
else
row = col = 0;
}
else if (col < m_nNumColumns-1)
col++;
else
{
col = 0; row++;
}
if (GetIndex(row,col) == INVALID_COLOUR)
{
if (m_strCustomText.GetLength())
row = col = CUSTOM_BOX_VALUE;
else if (m_strDefaultText.GetLength())
row = col = DEFAULT_BOX_VALUE;
else
row = col = 0;
}
ChangeSelection(GetIndex(row, col));
}
if (nChar == VK_LEFT)
{
if (row == DEFAULT_BOX_VALUE)
{
if (m_strCustomText.GetLength())
row = col = CUSTOM_BOX_VALUE;
else
{
row = GetRow(m_nNumColours-1);
col = GetColumn(m_nNumColours-1);
}
}
else if (row == CUSTOM_BOX_VALUE)
{
row = GetRow(m_nNumColours-1);
col = GetColumn(m_nNumColours-1);
}
else if (col > 0) col--;
else /* col == 0 */
{
if (row > 0) { row--; col = m_nNumColumns-1; }
else
{
if (m_strDefaultText.GetLength())
row = col = DEFAULT_BOX_VALUE;
else if (m_strCustomText.GetLength())
row = col = CUSTOM_BOX_VALUE;
else
{
row = GetRow(m_nNumColours-1);
col = GetColumn(m_nNumColours-1);
}
}
}
ChangeSelection(GetIndex(row, col));
}
if (nChar == VK_ESCAPE)
{
m_crColour = m_crInitialColour;
EndSelection(CPN_SELENDCANCEL);
return;
}
if (nChar == VK_RETURN || nChar == VK_SPACE)
{
EndSelection(CPN_SELENDOK);
return;
}
CWnd::OnKeyDown(nChar, nRepCnt, nFlags);
}
#ifndef _WIN32_WCE
//
// Windows CE does not support these messages
// The Popup creation method is different (see CColourPicker)
//
// auto-deletion
void CColourPopup::OnNcDestroy()
{
CWnd::OnNcDestroy();
delete this;
}
// KillFocus problem fix suggested by Paul Wilkerson.
void CColourPopup::OnActivateApp(BOOL bActive, HTASK hTask)
{
CWnd::OnActivateApp(bActive, hTask);
// If Deactivating App, cancel this selection
if (!bActive)
EndSelection(CPN_SELENDCANCEL);
}
#endif
void CColourPopup::OnPaint()
{
CPaintDC dc(this); // device context for painting
// Draw the Default Area text
if (m_strDefaultText.GetLength())
DrawCell(&dc, DEFAULT_BOX_VALUE);
// Draw colour cells
for (int i = 0; i < m_nNumColours; i++)
DrawCell(&dc, i);
// Draw custom text
if (m_strCustomText.GetLength())
DrawCell(&dc, CUSTOM_BOX_VALUE);
// Draw raised window edge (ex-window style WS_EX_WINDOWEDGE is sposed to do this,
// but for some reason isn't
CRect rect;
GetClientRect(rect);
dc.DrawEdge(rect, EDGE_RAISED, BF_RECT);
}
#ifdef _WIN32_WCE
// CColourPopup::OnLButtonDown
//
// Use this message instead of WM_MOUSEMOVE to start the selection
// Note that the code is the same as the desktop version
// (if it ain't broken, don't fix it)
//
void CColourPopup::OnLButtonDown(UINT nFlags, CPoint point)
{
int nNewSelection = INVALID_COLOUR;
// Translate points to be relative raised window edge
point.x -= m_nMargin;
point.y -= m_nMargin;
// First check we aren't in text box
if (m_strCustomText.GetLength() && m_CustomTextRect.PtInRect(point))
nNewSelection = CUSTOM_BOX_VALUE;
else if (m_strDefaultText.GetLength() && m_DefaultTextRect.PtInRect(point))
nNewSelection = DEFAULT_BOX_VALUE;
else
{
// Take into account text box
if (m_strDefaultText.GetLength())
point.y -= m_DefaultTextRect.Height();
// Get the row and column
nNewSelection = GetIndex(point.y / m_nBoxSize, point.x / m_nBoxSize);
// In range? If not, default and exit
if (nNewSelection < 0 || nNewSelection >= m_nNumColours)
{
CWnd::OnLButtonDown(nFlags, point);
return;
}
}
// OK - we have the row and column of the current selection (may be CUSTOM_BOX_VALUE)
// Has the row/col selection changed? If yes, then redraw old and new cells.
if (nNewSelection != m_nCurrentSel)
ChangeSelection(nNewSelection);
CWnd::OnLButtonDown(nFlags, point);
}
#else
void CColourPopup::OnMouseMove(UINT nFlags, CPoint point)
{
int nNewSelection = INVALID_COLOUR;
// Translate points to be relative raised window edge
point.x -= m_nMargin;
point.y -= m_nMargin;
// First check we aren't in text box
if (m_strCustomText.GetLength() && m_CustomTextRect.PtInRect(point))
nNewSelection = CUSTOM_BOX_VALUE;
else if (m_strDefaultText.GetLength() && m_DefaultTextRect.PtInRect(point))
nNewSelection = DEFAULT_BOX_VALUE;
else
{
// Take into account text box
if (m_strDefaultText.GetLength())
point.y -= m_DefaultTextRect.Height();
// Get the row and column
nNewSelection = GetIndex(point.y / m_nBoxSize, point.x / m_nBoxSize);
// In range? If not, default and exit
if (nNewSelection < 0 || nNewSelection >= m_nNumColours)
{
CWnd::OnMouseMove(nFlags, point);
return;
}
}
// OK - we have the row and column of the current selection (may be CUSTOM_BOX_VALUE)
// Has the row/col selection changed? If yes, then redraw old and new cells.
if (nNewSelection != m_nCurrentSel)
ChangeSelection(nNewSelection);
CWnd::OnMouseMove(nFlags, point);
}
#endif
// End selection on LButtonUp
void CColourPopup::OnLButtonUp(UINT nFlags, CPoint point)
{
CWnd::OnLButtonUp(nFlags, point);
DWORD pos = GetMessagePos();
point = CPoint(LOWORD(pos), HIWORD(pos));
if (m_WindowRect.PtInRect(point))
EndSelection(CPN_SELENDOK);
else
EndSelection(CPN_SELENDCANCEL);
}
/////////////////////////////////////////////////////////////////////////////
// CColourPopup implementation
int CColourPopup::GetIndex(int row, int col) const
{
if ((row == CUSTOM_BOX_VALUE || col == CUSTOM_BOX_VALUE) && m_strCustomText.GetLength())
return CUSTOM_BOX_VALUE;
else if ((row == DEFAULT_BOX_VALUE || col == DEFAULT_BOX_VALUE) && m_strDefaultText.GetLength())
return DEFAULT_BOX_VALUE;
else if (row < 0 || col < 0 || row >= m_nNumRows || col >= m_nNumColumns)
return INVALID_COLOUR;
else
{
if (row*m_nNumColumns + col >= m_nNumColours)
return INVALID_COLOUR;
else
return row*m_nNumColumns + col;
}
}
int CColourPopup::GetRow(int nIndex) const
{
if (nIndex == CUSTOM_BOX_VALUE && m_strCustomText.GetLength())
return CUSTOM_BOX_VALUE;
else if (nIndex == DEFAULT_BOX_VALUE && m_strDefaultText.GetLength())
return DEFAULT_BOX_VALUE;
else if (nIndex < 0 || nIndex >= m_nNumColours)
return INVALID_COLOUR;
else
return nIndex / m_nNumColumns;
}
int CColourPopup::GetColumn(int nIndex) const
{
if (nIndex == CUSTOM_BOX_VALUE && m_strCustomText.GetLength())
return CUSTOM_BOX_VALUE;
else if (nIndex == DEFAULT_BOX_VALUE && m_strDefaultText.GetLength())
return DEFAULT_BOX_VALUE;
else if (nIndex < 0 || nIndex >= m_nNumColours)
return INVALID_COLOUR;
else
return nIndex % m_nNumColumns;
}
void CColourPopup::FindCellFromColour(COLORREF crColour)
{
if (crColour == CLR_DEFAULT && m_strDefaultText.GetLength())
{
m_nChosenColourSel = DEFAULT_BOX_VALUE;
return;
}
for (int i = 0; i < m_nNumColours; i++)
{
if (GetColour(i) == crColour)
{
m_nChosenColourSel = i;
return;
}
}
if (m_strCustomText.GetLength())
m_nChosenColourSel = CUSTOM_BOX_VALUE;
else
m_nChosenColourSel = INVALID_COLOUR;
}
// Gets the dimensions of the colour cell given by (row,col)
BOOL CColourPopup::GetCellRect(int nIndex, const LPRECT& rect)
{
if (nIndex == CUSTOM_BOX_VALUE)
{
::SetRect(rect,
m_CustomTextRect.left, m_CustomTextRect.top,
m_CustomTextRect.right, m_CustomTextRect.bottom);
return TRUE;
}
else if (nIndex == DEFAULT_BOX_VALUE)
{
::SetRect(rect,
m_DefaultTextRect.left, m_DefaultTextRect.top,
m_DefaultTextRect.right, m_DefaultTextRect.bottom);
return TRUE;
}
if (nIndex < 0 || nIndex >= m_nNumColours)
return FALSE;
rect->left = GetColumn(nIndex) * m_nBoxSize + m_nMargin;
rect->top = GetRow(nIndex) * m_nBoxSize + m_nMargin;
// Move everything down if we are displaying a default text area
if (m_strDefaultText.GetLength())
rect->top += (m_nMargin + m_DefaultTextRect.Height());
rect->right = rect->left + m_nBoxSize;
rect->bottom = rect->top + m_nBoxSize;
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