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4f8ee64b435c472d695c37a609109156440c6c4f
Ext4Fsd/Ext2Mgr/TreeList.cpp
Bo Brantén 7b368ccf09 Ext4Fsd master
2020-01-19 19:08:53 +01:00

357 lines
9.3 KiB
C++
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// TreeList.cpp : implementation file
//
#include "stdafx.h"
#include "resource.h"
#include "TreeList.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CTreeList
CTreeList::CTreeList()
{
m_SelectionRect = CRect(0,0,0,0);
m_SelectionFlag = FALSE;
m_Point = CPoint(0, 0);
m_PrevItem = -1;
m_Rows = 0;
m_Columns = 1;
m_hBitmap = NULL;
m_hMemDC = NULL;
m_hOldBmp = NULL;
m_bFocus = FALSE;
}
CTreeList::~CTreeList()
{
if (m_hBitmap) {
if (m_hMemDC) {
::SelectObject(m_hMemDC, m_hOldBmp);
::DeleteDC(m_hMemDC);
}
::DeleteObject (m_hBitmap);
m_hBitmap = NULL;
}
}
BEGIN_MESSAGE_MAP(CTreeList, CListCtrl)
//{{AFX_MSG_MAP(CTreeList)
ON_WM_LBUTTONDOWN()
ON_WM_RBUTTONDOWN()
ON_NOTIFY_REFLECT(NM_KILLFOCUS, OnKillfocus)
ON_NOTIFY_REFLECT(NM_SETFOCUS, OnSetfocus)
//}}AFX_MSG_MAP
ON_MESSAGE(WM_SETFONT, OnSetFont)
ON_WM_MEASUREITEM_REFLECT()
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CTreeList message handlers
void CTreeList::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
m_Point = point;
m_SelectionFlag = FALSE;
Invalidate();
CListCtrl::OnLButtonDown(nFlags, point);
}
BOOL CTreeList::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Add your specialized code here and/or call the base class
cs.style |= LVS_REPORT | LVS_OWNERDRAWFIXED| WS_BORDER;
return CListCtrl::PreCreateWindow(cs);
}
LRESULT CTreeList::OnSetFont(WPARAM wParam, LPARAM)
{
LRESULT res = Default();
CRect rc;
GetWindowRect( &rc );
WINDOWPOS wp;
wp.hwnd = m_hWnd;
wp.cx = rc.Width();
wp.cy = rc.Height();
wp.flags = SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOZORDER;
SendMessage( WM_WINDOWPOSCHANGED, 0, (LPARAM)&wp );
return res;
}
void CTreeList::MeasureItem( LPMEASUREITEMSTRUCT lpMeasureItemStruct )
{
lpMeasureItemStruct->itemHeight = 16;
}
void CTreeList::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
PULONG pMagic = (PULONG) lpDrawItemStruct->itemData;
TCHAR lpBuffer[256];
LV_ITEM lvi;
LV_COLUMN lvc, lvcprev ;
memset(lpBuffer, 0, 256);
lvi.mask = LVIF_TEXT | LVIF_PARAM ;
lvi.iItem = lpDrawItemStruct->itemID ;
lvi.iSubItem = 0;
lvi.pszText = lpBuffer ;
lvi.cchTextMax = sizeof(lpBuffer);
GetItem(&lvi);
::ZeroMemory(&lvc, sizeof(lvc));
::ZeroMemory(&lvcprev, sizeof(lvcprev));
lvc.mask = LVCF_WIDTH |LVCF_FMT;
lvcprev.mask = LVCF_WIDTH | LVCF_FMT;
CDC* pDC;
pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
int nCol;
CRect rcText = lpDrawItemStruct->rcItem;
CFont Fnt, *pOldFont = NULL;
LOGFONT lf;
int cyPixels = pDC->GetDeviceCaps(LOGPIXELSY);
memset(&lf, 0, sizeof(LOGFONT));
if (pMagic == NULL) {
return;
}
if (*pMagic == EXT2_CDROM_DEVICE_MAGIC || *pMagic == EXT2_DISK_MAGIC) {
if (IsVistaOrAbove()) {
lstrcpy(lf.lfFaceName, "MS Sans Serif"); /*Courier New*/
lf.lfHeight = -MulDiv(8, cyPixels, 72);
lf.lfWeight = TRUE;
} else {
lstrcpy(lf.lfFaceName, "Arial Black"); /*Courier New*/
lf.lfHeight = -MulDiv(8, cyPixels, 72);
lf.lfWeight = TRUE;
}
} else {
lstrcpy(lf.lfFaceName, "MS Sans Serif");
lf.lfHeight = -MulDiv(8, cyPixels, 72);
}
Fnt.CreateFontIndirect(&lf);
pOldFont = (CFont *) pDC->SelectObject(&Fnt);
/* loading bitmap */
if (m_hBitmap == NULL) {
m_hBitmap = (HBITMAP)::LoadImage(GetModuleHandle(NULL),
MAKEINTRESOURCE(IDB_LINE_SEP),
IMAGE_BITMAP, 0, 0, 0);
if (m_hBitmap) {
m_hMemDC = ::CreateCompatibleDC(this->GetDC()->m_hDC);
m_hOldBmp = (HBITMAP)::SelectObject(m_hMemDC, m_hBitmap);
}
}
if (TRUE) {
if (!m_SelectionFlag) {
for (nCol=0; GetColumn(nCol, &lvc); nCol++) {
if (nCol > 0) {
GetSubItemRect(lpDrawItemStruct->itemID,
nCol,LVIR_BOUNDS, m_SelectionRect);
} else {
GetItemRect(lpDrawItemStruct->itemID,
m_SelectionRect,LVIR_BOUNDS);
m_SelectionRect.right = GetColumnWidth(0);
m_SelectionRect.left = 0;
}
if (m_SelectionRect.PtInRect(m_Point)) {
m_SelectionFlag = TRUE;
break;
} else {
m_SelectionFlag = FALSE;
}
}
}
if ((lpDrawItemStruct->itemState & ODS_SELECTED) && m_SelectionFlag ) {
CRect rc = lpDrawItemStruct->rcItem;
rc.left += 4; rc.right -= 4;
rc.top += 1; rc.bottom -= 0;
if (*pMagic == EXT2_CDROM_DEVICE_MAGIC || *pMagic == EXT2_DISK_MAGIC) {
rc.bottom -= 3; rc.top -= 1;
rc.right = (rc.Width() * 7 / 8) + rc.left;
}
pDC->FillSolidRect(&rc, GetSysColor(m_bFocus ? COLOR_HIGHLIGHT : COLOR_INACTIVEBORDER));
} else {
CRect rc = lpDrawItemStruct->rcItem;
pDC->FillSolidRect(&rc, GetSysColor(COLOR_WINDOW)) ;
pDC->SetTextColor(GetSysColor(COLOR_WINDOWTEXT)) ;
}
}
for (nCol=0; GetColumn(nCol, &lvc); nCol++) {
UINT uFormat = DT_LEFT ;
if (*pMagic == EXT2_CDROM_DEVICE_MAGIC || *pMagic == EXT2_DISK_MAGIC) {
rcText = lpDrawItemStruct->rcItem;
rcText.left += 4;
rcText.bottom += 1;
rcText.top = rcText.bottom - 6 + lf.lfHeight;
::DrawText(lpDrawItemStruct->hDC, lpBuffer, strlen(lpBuffer),
&rcText, DT_LEFT) ;
CRect rect = lpDrawItemStruct->rcItem;
int rc = 0;
BITMAP cs;
rect.top = rcText.bottom - 4;
rc = ::GetObject(m_hBitmap, sizeof(cs), &cs);
if (rc == 0) {
pDC->SelectObject(pOldFont);
return;
}
::StretchBlt(pDC->m_hDC, rect.left + 4, (rect.bottom + rect.top) / 2,
rect.Width() * 7 / 8, cs.bmHeight,
m_hMemDC, 0, 0, cs.bmWidth, cs.bmHeight, SRCCOPY);
} else {
if (nCol > 0) {
GetColumn(nCol, &lvcprev) ;
rcText.left = rcText.right;
rcText.right += lvcprev.cx;
rcText.left += 4;
if (nCol == 3 || nCol == 4) {
uFormat = DT_RIGHT;
rcText.right -= 4;
}
} else {
rcText = lpDrawItemStruct->rcItem;
rcText.top += (16 + lf.lfHeight) / 2;
rcText.right = rcText.left + GetColumnWidth(0);
rcText.left += 20;
}
// Get and draw the text
memset(lpBuffer, 0, 256);
::ZeroMemory(&lvi, sizeof(lvi));
lvi.iItem = lpDrawItemStruct->itemID;
lvi.mask = LVIF_TEXT | LVIF_PARAM;
lvi.iSubItem = nCol;
lvi.pszText = lpBuffer;
lvi.cchTextMax = sizeof(lpBuffer);
GetItem(&lvi);
::DrawText(lpDrawItemStruct->hDC, lpBuffer, strlen(lpBuffer),
&rcText, uFormat) ;
if (nCol == 0) {
rcText.left -= 20;
} else {
rcText.left -= 4;
if (nCol == 3 || nCol == 4) {
rcText.right += 4;
}
}
}
}
pDC->SelectObject(pOldFont);
return;
}
void CTreeList::OnRButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
m_Point = point;
m_SelectionFlag = FALSE;
Invalidate();
CListCtrl::OnRButtonDown(nFlags, point);
}
void CTreeList::OnKillfocus(NMHDR* pNMHDR, LRESULT* pResult)
{
// TODO: Add your control notification handler code here
m_bFocus = FALSE;
Invalidate();
*pResult = 0;
}
void CTreeList::OnSetfocus(NMHDR* pNMHDR, LRESULT* pResult)
{
// TODO: Add your control notification handler code here
m_bFocus = TRUE;
Invalidate();
*pResult = 0;
}
int CTreeList::QuerySubItemText(int item, CHAR *Data, int length)
{
LV_COLUMN lvc;
LV_ITEM lvi;
int ncol;
CRect rect;
::ZeroMemory(&lvc, sizeof(lvc));
lvc.mask = LVCF_WIDTH |LVCF_FMT;
for (ncol=0; GetColumn(ncol, &lvc); ncol++) {
if (ncol > 0) {
GetSubItemRect(item, ncol,LVIR_BOUNDS, rect);
} else {
GetItemRect(item, rect, LVIR_BOUNDS);
rect.right = GetColumnWidth(0);
rect.left = 0;
}
if (rect.PtInRect(m_Point)) {
::ZeroMemory(Data, length);
::ZeroMemory(&lvi, sizeof(lvi));
lvi.iItem = item;
lvi.mask = LVIF_TEXT;
lvi.iSubItem = ncol;
lvi.pszText = Data;
lvi.cchTextMax = length;
return GetItem(&lvi);
break;
}
}
return FALSE;
}
VOID CTreeList::Redraw()
{
m_bFocus = TRUE;
m_SelectionFlag = TRUE;
Invalidate();
}
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