//------------------------------------------------------------------------
//! Overrides OnEditBegin() to allow special handling when clicking image or checkbox
//!
//! @param owner The list control starting edit
//! @param nRow The index of the row for the cell to edit
//! @param nCol The index of the column for the cell to edit
//! @param pt The position clicked, in client coordinates.
//! @return Pointer to the cell editor to use (NULL if cell edit is not possible)
//------------------------------------------------------------------------
CWnd* CGridColumnTraitImage::OnEditBegin(CGridListCtrlEx& owner, int nRow, int nCol, CPoint pt)
{
// Check if the user used a shortcut key to edit the label
if (pt == CPoint(-1, -1))
return OnEditBegin(owner, nRow, nCol);
// Check if mouse click was inside the label-part of the cell
CRect labelRect;
if (owner.GetCellRect(nRow, nCol, LVIR_LABEL, labelRect) && labelRect.PtInRect(pt))
return OnEditBegin(owner, nRow, nCol);
// Check if mouse click was inside the image-part of the cell
CRect iconRect;
if (owner.GetCellRect(nRow, nCol, LVIR_ICON, iconRect) && iconRect.PtInRect(pt))
return OnEditBeginImage(owner, nRow, nCol);
if (nCol == 0 && m_ToggleSelection && owner.GetExtendedStyle() & LVS_EX_CHECKBOXES)
{
// Check if mouse click was inside the checkbox-part of the label-column
if (!labelRect.PtInRect(pt))
return OnEditBeginCheckbox(owner, nRow, nCol);
}
return NULL; // Editor is never really started
}
//------------------------------------------------------------------------
//! Reacts to clicking on the image, and allows all selected rows to be flipped
//!
//! @param owner The list control starting edit
//! @param nRow The index of the row for the cell to edit
//! @param nCol The index of the column for the cell to edit
//! @return Pointer to the cell editor to use (NULL if cell edit is not possible)
//------------------------------------------------------------------------
CWnd* CGridColumnTraitImage::OnEditBeginImage(CGridListCtrlEx& owner, int nRow, int nCol)
{
if (m_ImageCellText.GetSize() <= 1)
{
// No images to flip between
if (m_IconClickBeginEdit)
return OnEditBegin(owner, nRow, nCol);
else
return NULL;
}
int nOldImageIdx = owner.GetCellImage(nRow, nCol);
int nNewImageIdx = FlipImageIndex(owner, nRow, nCol);
if (nNewImageIdx == -1)
return NULL;
CString strOldImageText, strNewImageText;
for (int i = 0; i < m_ImageCellText.GetSize(); ++i)
{
if (m_ImageCellText.GetKeyAt(i) == nOldImageIdx)
strOldImageText = m_ImageCellText.GetValueAt(i);
if (m_ImageCellText.GetKeyAt(i) == nNewImageIdx)
strNewImageText = m_ImageCellText.GetValueAt(i);
}
// Send Notification to parent of ListView ctrl
LV_DISPINFO dispinfo = { 0 };
dispinfo.item.mask = LVIF_IMAGE;
dispinfo.item.iImage = nNewImageIdx;
if (strNewImageText != strOldImageText)
{
dispinfo.item.mask |= LVIF_TEXT;
dispinfo.item.pszText = strNewImageText.GetBuffer(0);
dispinfo.item.cchTextMax = strNewImageText.GetLength();
}
SendEndLabelEdit(owner, nRow, nCol, dispinfo);
// Toggle all selected rows to the same image index as the one clicked
if (m_ToggleSelection)
{
// The click event for check-boxes doesn't change selection or focus
if (owner.IsRowSelected(nRow))
{
POSITION pos = owner.GetFirstSelectedItemPosition();
while (pos != NULL)
{
int nSelectedRow = owner.GetNextSelectedItem(pos);
if (nSelectedRow == nRow)
continue; // Don't flip the clicked row
int nNextOldImageIdx = owner.GetCellImage(nSelectedRow, nCol);
if (nNextOldImageIdx == nNewImageIdx)
continue; // Already flipped
// Send Notification to parent of ListView ctrl
LV_DISPINFO nextDispinfo = { 0 };
nextDispinfo.item.mask = LVIF_IMAGE;
nextDispinfo.item.iImage = nNewImageIdx;
if (strNewImageText != strOldImageText)
{
nextDispinfo.item.mask |= LVIF_TEXT;
nextDispinfo.item.pszText = strNewImageText.GetBuffer(0);
nextDispinfo.item.cchTextMax = strNewImageText.GetLength();
}
SendEndLabelEdit(owner, nSelectedRow, nCol, nextDispinfo);
}
}
}
return NULL;
}
//------------------------------------------------------------------------
//! Reacts to clicking on the cell image, and switch to the next image index
//!
//! @param owner The list control starting edit
//! @param nRow The index of the row for the cell to edit
//! @param nCol The index of the column for the cell to edit
//! @param pt The position clicked, in client coordinates.
//! @return Pointer to the cell editor to use (NULL if cell edit is not possible)
//------------------------------------------------------------------------
CWnd* CGridColumnTraitImage::OnEditBegin(CGridListCtrlEx& owner, int nRow, int nCol, CPoint pt)
{
// Check if the user used a shortcut key to edit the label
if (pt==CPoint(-1,-1))
return OnEditBegin(owner, nRow, nCol);
// Check if mouse click was inside the label-part of the cell
CRect labelRect;
if (owner.GetCellRect(nRow, nCol, LVIR_LABEL, labelRect) && labelRect.PtInRect(pt))
return OnEditBegin(owner, nRow, nCol);
CRect iconRect;
if (owner.GetCellRect(nRow, nCol, LVIR_ICON, iconRect) && iconRect.PtInRect(pt))
{
int nOldImageIdx = owner.GetCellImage(nRow, nCol);
int nNewImageIdx = FlipImageIndex(owner, nRow, nCol);
if (nNewImageIdx == -1)
return NULL;
CString strOldImageText, strNewImageText;
for(int i=0; i < m_ImageIndexes.GetSize(); ++i)
{
if (m_ImageIndexes.GetKeyAt(i)==nOldImageIdx)
strOldImageText = m_ImageIndexes.GetValueAt(i).m_CellText;
if (m_ImageIndexes.GetKeyAt(i)==nNewImageIdx)
strNewImageText = m_ImageIndexes.GetValueAt(i).m_CellText;
}
// Send Notification to parent of ListView ctrl
LV_DISPINFO dispinfo = {0};
dispinfo.hdr.hwndFrom = owner.m_hWnd;
dispinfo.hdr.idFrom = (UINT_PTR)owner.GetDlgCtrlID();
dispinfo.hdr.code = LVN_ENDLABELEDIT;
dispinfo.item.iItem = nRow;
dispinfo.item.iSubItem = nCol;
dispinfo.item.mask = LVIF_IMAGE;
dispinfo.item.iImage = nNewImageIdx;
if (strNewImageText!=strOldImageText)
{
dispinfo.item.mask |= LVIF_TEXT;
dispinfo.item.pszText = strNewImageText.GetBuffer(0);
dispinfo.item.cchTextMax = strNewImageText.GetLength();
}
owner.GetParent()->SendMessage( WM_NOTIFY, (WPARAM)owner.GetDlgCtrlID(), (LPARAM)&dispinfo );
// Toggle all selected rows to the same image index as the one clicked
if (m_ToggleSelection)
{
// The click event for check-boxes doesn't change selection or focus
if (owner.IsRowSelected(nRow))
{
POSITION pos = owner.GetFirstSelectedItemPosition();
while(pos!=NULL)
{
int nSelectedRow = owner.GetNextSelectedItem(pos);
if (nSelectedRow==nRow)
continue; // Don't flip the clicked row
int nNextOldImageIdx = owner.GetCellImage(nSelectedRow, nCol);
if (nNextOldImageIdx==nNewImageIdx)
continue; // Already flipped
// Send Notification to parent of ListView ctrl
LV_DISPINFO nextDispinfo = {0};
nextDispinfo.hdr.hwndFrom = owner.m_hWnd;
nextDispinfo.hdr.idFrom = (UINT_PTR)owner.GetDlgCtrlID();
nextDispinfo.hdr.code = LVN_ENDLABELEDIT;
nextDispinfo.item.iItem = nSelectedRow;
nextDispinfo.item.iSubItem = nCol;
nextDispinfo.item.mask = LVIF_IMAGE;
nextDispinfo.item.iImage = nNewImageIdx;
if (strNewImageText!=strOldImageText)
{
nextDispinfo.item.mask |= LVIF_TEXT;
nextDispinfo.item.pszText = strNewImageText.GetBuffer(0);
nextDispinfo.item.cchTextMax = strNewImageText.GetLength();
}
owner.GetParent()->SendMessage( WM_NOTIFY, (WPARAM)owner.GetDlgCtrlID(), (LPARAM)&nextDispinfo );
}
}
}
}
else if (nCol==0 && m_ToggleSelection && owner.GetExtendedStyle() & LVS_EX_CHECKBOXES)
{
// Check if we should toggle the label-column checkboxes for all the selected rows
if (!labelRect.PtInRect(pt))
{
// The click event for check-boxes doesn't change selection or focus
if (owner.IsRowSelected(nRow))
{
BOOL bChecked = FALSE;
if (owner.GetStyle() & LVS_OWNERDATA)
bChecked = owner.OnOwnerDataDisplayCheckbox(nRow) ? TRUE : FALSE;
else
bChecked = owner.GetCheck(nRow); // The clicked row have already been changed by the click-event. We flip the other rows
POSITION pos = owner.GetFirstSelectedItemPosition();
while(pos!=NULL)
{
int nSelectedRow = owner.GetNextSelectedItem(pos);
if (nSelectedRow==nRow)
continue; // Don't flip the clicked row
if (owner.GetStyle() & LVS_OWNERDATA)
{
BOOL bSelChecked = owner.OnOwnerDataDisplayCheckbox(nSelectedRow) ? TRUE : FALSE;
if (bChecked==bSelChecked)
continue; // Already flipped
}
else
{
if (owner.GetCheck(nSelectedRow)==bChecked)
continue; // Already flipped
}
if (owner.GetStyle() & LVS_OWNERDATA)
owner.OnOwnerDataToggleCheckBox(nSelectedRow, bChecked ? true : false);
else
owner.SetCheck(nSelectedRow, bChecked);
}
}
}
}
return NULL; // Editor is never really started
}
