mirror of
https://github.com/bobranten/Ext4Fsd.git
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137 lines
3.1 KiB
C++
137 lines
3.1 KiB
C++
// DiskBox.cpp : implementation file
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//
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#include "stdafx.h"
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#include "DiskBox.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CDiskBox
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CDiskBox::CDiskBox()
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{
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m_nID = IDC_PROPERTY_DEVICE;
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m_nLeft = 10;
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m_nSize = 80;
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}
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CDiskBox::~CDiskBox()
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{
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}
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BEGIN_MESSAGE_MAP(CDiskBox, CButton)
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//{{AFX_MSG_MAP(CDiskBox)
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ON_WM_SETFOCUS()
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ON_CBN_SELCHANGE(IDC_PROPERTY_DEVICE, OnSelectChanged)
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CDiskBox message handlers
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void CDiskBox::OnSelectChanged()
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{
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GetParent()->SendMessage(WM_GROUP_BOX_UPDATED, 'GB', 'DVLU');
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}
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void CDiskBox::PreSubclassWindow()
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{
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//
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// Make sure that this control has the BS_ICON style set.
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// If not, it behaves very strangely:
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// It erases itself if the user TABs to controls in the dialog,
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// unless the user first clicks it. Very strange!!
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//
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ModifyStyle(0, BS_ICON|WS_TABSTOP|WS_GROUP);
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CString strTitle;
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GetWindowText(strTitle);
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int nWidth = AssemblingTitle();
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CRect r;
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GetWindowRect(&r);
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ScreenToClient(r);
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r.OffsetRect(m_nLeft, 0);
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r.bottom = r.top + m_nSize;
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r.right = r.left + m_nSize + nWidth;
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m_ComboBox.Create(WS_CHILD | CBS_DROPDOWN | WS_VSCROLL |
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CBS_NOINTEGRALHEIGHT | CBS_DROPDOWNLIST,
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r, this, m_nID);
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m_ComboBox.SetFont(GetFont(), true);
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m_ComboBox.ShowWindow(SW_SHOW);
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SetListboxHeight(m_ComboBox.m_hWnd);
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}
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void CDiskBox::SetListboxHeight(HWND hWnd)
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{
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RECT rc;
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::SendMessage(hWnd, LB_GETITEMRECT, 0, (LPARAM)&rc);
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::GetClientRect(hWnd, &rc);
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int cyClient= rc.bottom - rc.top;
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::GetWindowRect(hWnd, &rc);
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int cxListbox = rc.right - rc.left;
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int cyListbox = rc.bottom - rc.top;
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if (g_nDisks + g_nCdroms > 8) {
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cyListbox = 18*8;
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} else if (g_nDisks + g_nCdroms > 4) {
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cyListbox = max(80, 18 * (g_nDisks + g_nCdroms));
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} else {
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cyListbox = 80;
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}
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::SetWindowPos(hWnd, NULL, 0, 0,
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cxListbox, cyListbox,
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SWP_NOMOVE|SWP_NOACTIVATE|SWP_NOCOPYBITS|
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SWP_NOOWNERZORDER|SWP_NOZORDER
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);
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}
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int CDiskBox::AssemblingTitle()
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{
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//
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// The group box title needs to be erased, but I need to keep
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// the border away from the check box text. I create a string
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// of spaces (' ') that is the same length as the title was
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// plus the size of the checkbox. plus a little more.
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//
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CString strOldTitle, strNewTitle;
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GetWindowText(strOldTitle);
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CClientDC dc(this);
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CFont* pOldFont = dc.SelectObject(GetFont());
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CSize czText = dc.GetTextExtent(strOldTitle);
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int nRet = czText.cx;
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int nTarget = czText.cx + m_nSize;
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while(czText.cx < nTarget)
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{
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strNewTitle.Insert(0, ' ');
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czText = dc.GetTextExtent(strNewTitle);
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}
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dc.SelectObject(pOldFont);
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SetWindowText(strNewTitle);
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return nRet;
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}
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void CDiskBox::OnSetFocus(CWnd* pOldWnd)
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{
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CButton::OnSetFocus(pOldWnd);
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m_ComboBox.SetFocus();
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}
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