void Picker_HandleDrawItem(HWND hWnd, LPDRAWITEMSTRUCT lpDrawItemStruct)
{
struct PickerInfo *pPickerInfo;
HDC hDC = lpDrawItemStruct->hDC;
RECT rcItem = lpDrawItemStruct->rcItem;
UINT uiFlags = ILD_TRANSPARENT;
HIMAGELIST hImageList;
int nItem = lpDrawItemStruct->itemID;
COLORREF clrTextSave = 0;
COLORREF clrBkSave = 0;
COLORREF clrImage = GetSysColor(COLOR_WINDOW);
static TCHAR szBuff[MAX_PATH];
BOOL bFocus = (GetFocus() == hWnd);
LPCTSTR pszText;
UINT nStateImageMask = 0;
BOOL bSelected = 0;
LV_COLUMN lvc;
LV_ITEM lvi;
RECT rcAllLabels;
RECT rcLabel;
RECT rcIcon;
int offset = 0;
SIZE size;
int i = 0, j = 0;
int nColumn = 0;
int nColumnMax = 0;
int *order;
BOOL bDrawAsChild = 0;
int indent_space = 0;
BOOL bColorChild = FALSE;
BOOL bParentFound = FALSE;
int nParent = 0;
HBITMAP hBackground = GetBackgroundBitmap();
MYBITMAPINFO *pbmDesc = GetBackgroundInfo();
BOOL res = 0;
pPickerInfo = GetPickerInfo(hWnd);
order = (int*)malloc(pPickerInfo->nColumnCount * sizeof(*order));
if (!order)
return;
nColumnMax = Picker_GetNumColumns(hWnd);
if (GetUseOldControl())
{
pPickerInfo->pCallbacks->pfnGetColumnOrder(order);
}
else
{
/* Get the Column Order and save it */
res = ListView_GetColumnOrderArray(hWnd, nColumnMax, order);
/* Disallow moving column 0 */
if (order[0] != 0)
{
for (i = 0; i < nColumnMax; i++)
{
if (order[i] == 0)
{
order[i] = order[0];
order[0] = 0;
}
}
res = ListView_SetColumnOrderArray(hWnd, nColumnMax, order);
}
}
/* Labels are offset by a certain amount */
/* This offset is related to the width of a space character */
GetTextExtentPoint32(hDC, TEXT(" "), 1, &size);
offset = size.cx;
lvi.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_STATE | LVIF_PARAM;
lvi.iItem = nItem;
lvi.iSubItem = order[0];
lvi.pszText = szBuff;
lvi.cchTextMax = sizeof(szBuff) / sizeof(szBuff[0]);
lvi.stateMask = 0xFFFF; /* get all state flags */
res = ListView_GetItem(hWnd, &lvi);
bSelected = ((lvi.state & LVIS_DROPHILITED) || ( (lvi.state & LVIS_SELECTED)
&& ((bFocus) || (GetWindowLong(hWnd, GWL_STYLE) & LVS_SHOWSELALWAYS))));
/* figure out if we indent and draw grayed */
if (pPickerInfo->pCallbacks->pfnFindItemParent)
nParent = pPickerInfo->pCallbacks->pfnFindItemParent(hWnd, lvi.lParam);
else
nParent = -1;
bDrawAsChild = (pPickerInfo->pCallbacks->pfnGetViewMode() == VIEW_GROUPED && (nParent >= 0));
/* only indent if parent is also in this view */
if ((nParent >= 0) && bDrawAsChild)
{
for (i = 0; i < ListView_GetItemCount(hWnd); i++)
{
lvi.mask = LVIF_PARAM;
lvi.iItem = i;
res = ListView_GetItem(hWnd, &lvi);
if (lvi.lParam == nParent)
{
bParentFound = TRUE;
break;
}
}
}
if (pPickerInfo->pCallbacks->pfnGetOffsetChildren && pPickerInfo->pCallbacks->pfnGetOffsetChildren())
{
if (!bParentFound && bDrawAsChild)
{
/*Reset it, as no Parent is there*/
bDrawAsChild = FALSE;
bColorChild = TRUE;
}
else
{
nParent = -1;
bParentFound = FALSE;
}
}
res = ListView_GetItemRect_Modified(hWnd, nItem, &rcAllLabels, LVIR_BOUNDS);
res = ListView_GetItemRect_Modified(hWnd, nItem, &rcLabel, LVIR_LABEL);
rcAllLabels.left = rcLabel.left;
if (hBackground != NULL)
{
RECT rcClient;
HRGN rgnBitmap;
RECT rcTmpBmp = rcItem;
RECT rcFirstItem;
HPALETTE hPAL;
HDC htempDC;
HBITMAP oldBitmap;
htempDC = CreateCompatibleDC(hDC);
oldBitmap = (HBITMAP)SelectObject(htempDC, hBackground);
GetClientRect(hWnd, &rcClient);
rcTmpBmp.right = rcClient.right;
/* We also need to check whether it is the last item
The update region has to be extended to the bottom if it is */
if (nItem == ListView_GetItemCount(hWnd) - 1)
rcTmpBmp.bottom = rcClient.bottom;
rgnBitmap = CreateRectRgnIndirect(&rcTmpBmp);
SelectClipRgn(hDC, rgnBitmap);
DeleteBitmap(rgnBitmap);
hPAL = GetBackgroundPalette();
if (hPAL == NULL)
hPAL = CreateHalftonePalette(hDC);
if (GetDeviceCaps(htempDC, RASTERCAPS) & RC_PALETTE && hPAL != NULL)
{
SelectPalette(htempDC, hPAL, FALSE);
RealizePalette(htempDC);
}
res = ListView_GetItemRect_Modified(hWnd, 0, &rcFirstItem, LVIR_BOUNDS);
for (i = rcFirstItem.left; i < rcClient.right; i += pbmDesc->bmWidth)
for (j = rcFirstItem.top; j < rcClient.bottom; j += pbmDesc->bmHeight)
BitBlt(hDC, i, j, pbmDesc->bmWidth, pbmDesc->bmHeight, htempDC, 0, 0, SRCCOPY);
SelectObject(htempDC, oldBitmap);
DeleteDC(htempDC);
if (GetBackgroundPalette() == NULL)
{
DeletePalette(hPAL);
hPAL = NULL;
}
}
indent_space = 0;
if (bDrawAsChild)
{
RECT rect;
res = ListView_GetItemRect_Modified(hWnd, nItem, &rect, LVIR_ICON);
/* indent width of icon + the space between the icon and text
* so left of clone icon starts at text of parent
*/
indent_space = rect.right - rect.left + offset;
}
rcAllLabels.left += indent_space;
if (bSelected)
{
HBRUSH hBrush;
HBRUSH hOldBrush;
if (bFocus)
{
clrTextSave = SetTextColor(hDC, GetSysColor(COLOR_HIGHLIGHTTEXT));
clrBkSave = SetBkColor(hDC, GetSysColor(COLOR_HIGHLIGHT));
hBrush = CreateSolidBrush(GetSysColor(COLOR_HIGHLIGHT));
}
else
{
clrTextSave = SetTextColor(hDC, GetSysColor(COLOR_BTNTEXT));
clrBkSave = SetBkColor(hDC, GetSysColor(COLOR_BTNFACE));
hBrush = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
}
hOldBrush = (HBRUSH)SelectObject(hDC, hBrush);
FillRect(hDC, &rcAllLabels, hBrush);
SelectObject(hDC, hOldBrush);
DeleteBrush(hBrush);
}
else
{
if (hBackground == NULL)
{
HBRUSH hBrush;
hBrush = CreateSolidBrush(GetSysColor(COLOR_WINDOW));
FillRect(hDC, &rcAllLabels, hBrush);
DeleteBrush(hBrush);
}
if (pPickerInfo->pCallbacks->pfnGetOffsetChildren && pPickerInfo->pCallbacks->pfnGetOffsetChildren())
{
if (bDrawAsChild || bColorChild)
clrTextSave = SetTextColor(hDC, GetListCloneColor());
else
clrTextSave = SetTextColor(hDC, GetListFontColor());
}
else
{
if (bDrawAsChild)
clrTextSave = SetTextColor(hDC, GetListCloneColor());
else
clrTextSave = SetTextColor(hDC, GetListFontColor());
}
clrBkSave = SetBkColor(hDC, GetSysColor(COLOR_WINDOW));
}
if (lvi.state & LVIS_CUT)
{
clrImage = GetSysColor(COLOR_WINDOW);
uiFlags |= ILD_BLEND50;
}
else if (bSelected)
{
if (bFocus)
clrImage = GetSysColor(COLOR_HIGHLIGHT);
else
clrImage = GetSysColor(COLOR_BTNFACE);
uiFlags |= ILD_BLEND50;
}
nStateImageMask = lvi.state & LVIS_STATEIMAGEMASK;
if (nStateImageMask)
{
int nImage = (nStateImageMask >> 12) - 1;
hImageList = ListView_GetImageList(hWnd, LVSIL_STATE);
if (hImageList)
ImageList_Draw(hImageList, nImage, hDC, rcItem.left, rcItem.top, ILD_TRANSPARENT);
}
res = ListView_GetItemRect_Modified(hWnd, nItem, &rcIcon, LVIR_ICON);
rcIcon.left += indent_space;
res = ListView_GetItemRect_Modified(hWnd, nItem, &rcItem, LVIR_LABEL);
hImageList = ListView_GetImageList(hWnd, LVSIL_SMALL);
if (hImageList)
{
UINT nOvlImageMask = lvi.state & LVIS_OVERLAYMASK;
if (rcIcon.left + 16 + indent_space < rcItem.right)
{
ImageList_DrawEx(hImageList, lvi.iImage, hDC, rcIcon.left, rcIcon.top, 16, 16,
GetSysColor(COLOR_WINDOW), clrImage, uiFlags | nOvlImageMask);
}
}
res = ListView_GetItemRect_Modified(hWnd, nItem, &rcItem, LVIR_LABEL);
pszText = MakeShortString(hDC, szBuff, rcItem.right - rcItem.left, 2*offset + indent_space);
rcLabel = rcItem;
rcLabel.left += offset + indent_space;
rcLabel.right -= offset;
DrawText(hDC, pszText, -1, &rcLabel, DT_LEFT | DT_SINGLELINE | DT_NOPREFIX | DT_VCENTER);
for (nColumn = 1; nColumn < nColumnMax; nColumn++)
{
int nRetLen;
UINT nJustify;
LV_ITEM lvItem;
lvc.mask = LVCF_FMT | LVCF_WIDTH;
res = ListView_GetColumn(hWnd, order[nColumn], &lvc);
lvItem.mask = LVIF_TEXT;
lvItem.iItem = nItem;
lvItem.iSubItem = order[nColumn];
lvItem.pszText = szBuff;
lvItem.cchTextMax = sizeof(szBuff) / sizeof(szBuff[0]);
if (ListView_GetItem(hWnd, &lvItem) == FALSE)
continue;
rcItem.left = rcItem.right;
rcItem.right += lvc.cx;
nRetLen = _tcslen(szBuff);
if (nRetLen == 0)
continue;
pszText = MakeShortString(hDC, szBuff, rcItem.right - rcItem.left, 2 * offset);
nJustify = DT_LEFT;
if (pszText == szBuff)
{
switch (lvc.fmt & LVCFMT_JUSTIFYMASK)
{
case LVCFMT_RIGHT:
nJustify = DT_RIGHT;
break;
case LVCFMT_CENTER:
nJustify = DT_CENTER;
break;
default:
break;
}
}
rcLabel = rcItem;
rcLabel.left += offset;
rcLabel.right -= offset;
DrawText(hDC, pszText, -1, &rcLabel,
nJustify | DT_SINGLELINE | DT_NOPREFIX | DT_VCENTER);
}
if (lvi.state & LVIS_FOCUSED && bFocus)
DrawFocusRect(hDC, &rcAllLabels);
SetTextColor(hDC, clrTextSave);
SetBkColor(hDC, clrBkSave);
free(order);
res++;
}
void CListCtrlEx::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
CRect rcItem(lpDrawItemStruct->rcItem);
UINT uiFlags = ILD_TRANSPARENT;
CImageList* pImageList;
int nItem = lpDrawItemStruct->itemID;
BOOL bFocus = (GetFocus() == this);
COLORREF clrTextSave, clrBkSave;
COLORREF clrImage = m_clrBkgnd;
static _TCHAR szBuff[MAX_PATH];
LPCTSTR pszText;
// get item data
LV_ITEM lvi;
lvi.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_STATE;
lvi.iItem = nItem;
lvi.iSubItem = 0;
lvi.pszText = szBuff;
lvi.cchTextMax = sizeof(szBuff);
lvi.stateMask = 0xFFFF; // get all state flags
GetItem(&lvi);
BOOL bSelected = (bFocus || (GetStyle() & LVS_SHOWSELALWAYS)) && lvi.state & LVIS_SELECTED;
bSelected = bSelected || (lvi.state & LVIS_DROPHILITED);
// set colors if item is selected
CRect rcAllLabels;
GetItemRect(nItem, rcAllLabels, LVIR_BOUNDS);
CRect rcLabel;
GetItemRect(nItem, rcLabel, LVIR_LABEL);
rcAllLabels.left = rcLabel.left;
if (m_bClientWidthSel && rcAllLabels.right<m_cxClient)
rcAllLabels.right = m_cxClient;
// @@
clrTextSave = pDC->SetTextColor(colTextColor[0]);
if (bSelected)
{
//@@
//clrTextSave = pDC->SetTextColor(::GetSysColor(COLOR_HIGHLIGHTTEXT));
clrBkSave = pDC->SetBkColor(::GetSysColor(COLOR_HIGHLIGHT));
pDC->FillRect(rcAllLabels, &CBrush(::GetSysColor(COLOR_HIGHLIGHT)));
}
else
pDC->FillRect(rcAllLabels, &CBrush(m_clrTextBk));
// set color and mask for the icon
if (lvi.state & LVIS_CUT)
{
clrImage = m_clrBkgnd;
uiFlags |= ILD_BLEND50;
}
else if (bSelected)
{
clrImage = ::GetSysColor(COLOR_HIGHLIGHT);
uiFlags |= ILD_BLEND50;
}
// draw state icon
UINT nStateImageMask = lvi.state & LVIS_STATEIMAGEMASK;
if (nStateImageMask)
{
int nImage = (nStateImageMask>>12) - 1;
pImageList = GetImageList(LVSIL_STATE);
if (pImageList)
{
pImageList->Draw(pDC, nImage,
CPoint(rcItem.left, rcItem.top), ILD_TRANSPARENT);
}
}
// draw normal and overlay icon
CRect rcIcon;
GetItemRect(nItem, rcIcon, LVIR_ICON);
pImageList = GetImageList(LVSIL_SMALL);
if (pImageList)
{
UINT nOvlImageMask=lvi.state & LVIS_OVERLAYMASK;
if (rcItem.left<rcItem.right-1)
{
ImageList_DrawEx(pImageList->m_hImageList, lvi.iImage,
pDC->m_hDC,rcIcon.left,rcIcon.top, 16, 16,
m_clrBkgnd, clrImage, uiFlags | nOvlImageMask);
}
}
// draw item label
GetItemRect(nItem, rcItem, LVIR_LABEL);
rcItem.right -= m_cxStateImageOffset;
pszText = MakeShortString(pDC, szBuff,
rcItem.right-rcItem.left, 2*OFFSET_FIRST);
rcLabel = rcItem;
rcLabel.left += OFFSET_FIRST;
rcLabel.right -= OFFSET_FIRST;
pDC->DrawText(pszText,-1,rcLabel,DT_LEFT | DT_SINGLELINE | DT_NOPREFIX | DT_NOCLIP | DT_VCENTER);
// draw labels for extra columns
LV_COLUMN lvc;
lvc.mask = LVCF_FMT | LVCF_WIDTH;
for(int nColumn = 1; GetColumn(nColumn, &lvc); nColumn++)
{
rcItem.left = rcItem.right;
rcItem.right += lvc.cx;
int nRetLen = GetItemText(nItem, nColumn,
szBuff, sizeof(szBuff));
if (nRetLen == 0)
continue;
pszText = MakeShortString(pDC, szBuff,
rcItem.right - rcItem.left, 2*OFFSET_OTHER);
UINT nJustify = DT_LEFT;
if(pszText == szBuff)
{
switch(lvc.fmt & LVCFMT_JUSTIFYMASK)
{
case LVCFMT_RIGHT:
nJustify = DT_RIGHT;
break;
case LVCFMT_CENTER:
nJustify = DT_CENTER;
break;
default:
break;
}
}
rcLabel = rcItem;
rcLabel.left += OFFSET_OTHER;
rcLabel.right -= OFFSET_OTHER;
if (nColumn < NR_COL_COLORS)
pDC->SetTextColor(colTextColor[nColumn]);
pDC->DrawText(pszText, -1, rcLabel,
nJustify | DT_SINGLELINE | DT_NOPREFIX | DT_NOCLIP | DT_VCENTER);
}
// draw focus rectangle if item has focus
if (lvi.state & LVIS_FOCUSED && bFocus)
pDC->DrawFocusRect(rcAllLabels);
// set original colors if item was selected
if (bSelected)
{
pDC->SetTextColor(clrTextSave);
pDC->SetBkColor(clrBkSave);
}
}
