CMiniatureWindow Class Reference

#include <miniature.h>

Inheritance diagram for CMiniatureWindow:

Collaboration diagram for CMiniatureWindow:

Public Member Functions
	DECLARE_WND_CLASS_EX (L"MiniatureWindow", CS_DBLCLKS|CS_HREDRAW|CS_VREDRAW, COLOR_BTNFACE) CMiniatureWindow()
virtual	~CMiniatureWindow ()
HWND	DoCreate (HWND hwndParent)

Protected Member Functions
LRESULT	OnMove (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnSize (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnClose (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnEraseBkgnd (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnPaint (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnSetCursor (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnGetMinMaxInfo (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

Protected Attributes
HBITMAP	m_hbmCached

Detailed Description

Definition at line 11 of file miniature.h.

Constructor & Destructor Documentation

~CMiniatureWindow()

CMiniatureWindow::~CMiniatureWindow ( )

virtual

Definition at line 21 of file miniature.cpp.

{
    if (m_hbmCached)
        ::DeleteObject(m_hbmCached);
}

Member Function Documentation

DECLARE_WND_CLASS_EX()

CMiniatureWindow::DECLARE_WND_CLASS_EX	(	L"MiniatureWindow"	,
		CS_DBLCLKS|CS_HREDRAW|	CS_VREDRAW,
		COLOR_BTNFACE
	)

DoCreate()

HWND CMiniatureWindow::DoCreate

(

HWND

hwndParent

)

Definition at line 27 of file miniature.cpp.

{
    if (m_hWnd)
        return m_hWnd;
 
    RECT rc =
    {
        (LONG)registrySettings.ThumbXPos, (LONG)registrySettings.ThumbYPos,
        (LONG)(registrySettings.ThumbXPos + registrySettings.ThumbWidth),
        (LONG)(registrySettings.ThumbYPos + registrySettings.ThumbHeight)
    };
 
    WCHAR strTitle[100];
    ::LoadStringW(g_hinstExe, IDS_MINIATURETITLE, strTitle, _countof(strTitle));
 
    DWORD style = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME;
    return Create(hwndParent, rc, strTitle, style, WS_EX_PALETTEWINDOW);
}

Referenced by CMainWindow::OnCommand(), and CMainWindow::OnCreate().

OnClose()

LRESULT CMiniatureWindow::OnClose ( UINT  nMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

Definition at line 70 of file miniature.cpp.

{
    ShowWindow(SW_HIDE);
    registrySettings.ShowThumbnail = FALSE;
    return 0;
}

OnEraseBkgnd()

LRESULT CMiniatureWindow::OnEraseBkgnd ( UINT  nMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

Definition at line 77 of file miniature.cpp.

{
    return TRUE; /* Avoid flickering */
}

OnGetMinMaxInfo()

LRESULT CMiniatureWindow::OnGetMinMaxInfo ( UINT  nMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

Definition at line 121 of file miniature.cpp.

{
    // Avoid too small
    LPMINMAXINFO pInfo = (LPMINMAXINFO)lParam;
    pInfo->ptMinTrackSize = { 100, 75 };
    return 0;
}

OnMove()

LRESULT CMiniatureWindow::OnMove ( UINT  nMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

Definition at line 46 of file miniature.cpp.

{
    if (IsWindowVisible() && !IsIconic() && !IsZoomed())
    {
        CRect rc;
        GetWindowRect(&rc);
        registrySettings.ThumbXPos = rc.left;
        registrySettings.ThumbYPos = rc.top;
    }
    return 0;
}

OnPaint()

LRESULT CMiniatureWindow::OnPaint ( UINT  nMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

Definition at line 82 of file miniature.cpp.

{
    RECT rc;
    GetClientRect(&rc);
 
    // Start painting
    PAINTSTRUCT ps;
    HDC hDC = BeginPaint(&ps);
    if (!hDC)
        return 0;
 
    // Use a memory bitmap to reduce flickering
    HDC hdcMem = ::CreateCompatibleDC(hDC);
    m_hbmCached = CachedBufferDIB(m_hbmCached, rc.right, rc.bottom);
    HGDIOBJ hbmOld = ::SelectObject(hdcMem, m_hbmCached);
 
    // FIXME: Consider aspect ratio
 
    // Fill the background
    ::FillRect(hdcMem, &rc, (HBRUSH)(COLOR_BTNFACE + 1));
 
    // Draw the image (hdcMem <-- imageModel)
    int cxImage = imageModel.GetWidth();
    int cyImage = imageModel.GetHeight();
    ::StretchBlt(hdcMem, 0, 0, rc.right, rc.bottom,
                 imageModel.GetDC(), 0, 0, cxImage, cyImage,
                 SRCCOPY);
 
    // Move the image (hDC <-- hdcMem)
    ::BitBlt(hDC, 0, 0, rc.right, rc.bottom, hdcMem, 0, 0, SRCCOPY);
 
    // Clean up
    ::SelectObject(hdcMem, hbmOld);
    ::DeleteDC(hdcMem);
 
    EndPaint(&ps);
    return 0;
}

OnSetCursor()

LRESULT CMiniatureWindow::OnSetCursor ( UINT  nMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

OnSize()

LRESULT CMiniatureWindow::OnSize ( UINT  nMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

Definition at line 58 of file miniature.cpp.

{
    if (IsWindowVisible() && !IsIconic() && !IsZoomed())
    {
        CRect rc;
        GetWindowRect(&rc);
        registrySettings.ThumbWidth = rc.Width();
        registrySettings.ThumbHeight = rc.Height();
    }
    return 0;
}

Member Data Documentation

m_hbmCached

HBITMAP CMiniatureWindow::m_hbmCached

protected

Definition at line 32 of file miniature.h.

Referenced by OnPaint(), and ~CMiniatureWindow().

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The documentation for this class was generated from the following files:

• base/applications/mspaint/miniature.h
• base/applications/mspaint/miniature.cpp