CTextEditWindow Class Reference

#include <textedit.h>

Inheritance diagram for CTextEditWindow:

Collaboration diagram for CTextEditWindow:

Public Member Functions
	CTextEditWindow ()
HWND	Create (HWND hwndParent)
void	DoFillBack (HWND hwnd, HDC hDC)
void	FixEditPos (LPCWSTR pszOldText)
void	InvalidateEditRect ()
void	UpdateFont ()
BOOL	GetEditRect (LPRECT prc) const
void	ValidateEditRect (LPCRECT prc OPTIONAL)
HFONT	GetFont () const
	MESSAGE_HANDLER (WM_NCCALCSIZE, OnNCCalcSize)
	MESSAGE_HANDLER (WM_NCHITTEST, OnNCHitTest)
	MESSAGE_HANDLER (WM_SETCURSOR, OnSetCursor)
	MESSAGE_HANDLER (WM_MOVE, OnMove)
	MESSAGE_HANDLER (WM_SIZE, OnSize)
	MESSAGE_HANDLER (WM_LBUTTONDOWN, OnLButtonDown)
	MESSAGE_HANDLER (EM_SETSEL, OnSetSel)
	MESSAGE_HANDLER (WM_MOUSEWHEEL, OnMouseWheel)
	MESSAGE_HANDLER (WM_CUT, OnCut)
	MESSAGE_HANDLER (WM_PASTE, OnPaste)
	MESSAGE_HANDLER (WM_CLEAR, OnClear)
LRESULT	OnCreate (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnClose (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnToolsModelToolChanged (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnToolsModelSettingsChanged (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnToolsModelZoomChanged (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnPaletteModelColorChanged (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnMoving (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnSizing (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnChar (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnKeyDown (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnLButtonDown (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	OnNCPaint (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnNCCalcSize (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnNCHitTest (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnSetCursor (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnMove (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnSize (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnSetSel (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnMouseWheel (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnCut (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnPaste (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnClear (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

Protected Member Functions
INT	DoHitTest (RECT &rc, POINT pt)
void	DrawGrip (HDC hDC, RECT &rc)

Protected Attributes
HWND	m_hwndParent
HFONT	m_hFont
HFONT	m_hFontZoomed
RECT	m_rc

Detailed Description

Definition at line 13 of file textedit.h.

Constructor & Destructor Documentation

CTextEditWindow()

CTextEditWindow::CTextEditWindow

(

)

Definition at line 16 of file textedit.cpp.

    : m_hFont(NULL)
    , m_hFontZoomed(NULL)
{
    SetRectEmpty(&m_rc);
}

Member Function Documentation

Create()

HWND CTextEditWindow::Create

(

HWND

hwndParent

)

Definition at line 224 of file textedit.cpp.

{
    m_hwndParent = hwndParent;
 
    const DWORD style = ES_LEFT | ES_MULTILINE | ES_WANTRETURN | ES_AUTOVSCROLL |
                        WS_CHILD | WS_THICKFRAME;
    HWND hwnd = ::CreateWindowEx(0, WC_EDIT, NULL, style, 0, 0, 0, 0,
                                 hwndParent, NULL, g_hinstExe, NULL);
    if (hwnd)
    {
#undef SubclassWindow // Don't use this macro
        SubclassWindow(hwnd);
 
        UpdateFont();
 
        PostMessage(WM_SIZE, 0, 0);
    }
 
    return m_hWnd;
}

Referenced by TextTool::OnButtonDown(), and TextTool::OnButtonUp().

DoFillBack()

void CTextEditWindow::DoFillBack	(	HWND	hwnd,
		HDC	hDC
	)

Definition at line 245 of file textedit.cpp.

{
    if (toolsModel.IsBackgroundTransparent())
        return;
 
    RECT rc;
    SendMessage(EM_GETRECT, 0, (LPARAM)&rc);
    MapWindowPoints(hwnd, (LPPOINT)&rc, 2);
 
    HBRUSH hbr = CreateSolidBrush(paletteModel.GetBgColor());
    FillRect(hDC, &rc, hbr);
    DeleteObject(hbr);
}

DoHitTest()

INT CTextEditWindow::DoHitTest ( RECT &  rc, POINT  pt  )

protected

Definition at line 23 of file textedit.cpp.

{
    switch (getSizeBoxHitTest(pt, &rc))
    {
        case HIT_NONE:          return HTNOWHERE;
        case HIT_UPPER_LEFT:    return HTTOPLEFT;
        case HIT_UPPER_CENTER:  return HTTOP;
        case HIT_UPPER_RIGHT:   return HTTOPRIGHT;
        case HIT_MIDDLE_LEFT:   return HTLEFT;
        case HIT_MIDDLE_RIGHT:  return HTRIGHT;
        case HIT_LOWER_LEFT:    return HTBOTTOMLEFT;
        case HIT_LOWER_CENTER:  return HTBOTTOM;
        case HIT_LOWER_RIGHT:   return HTBOTTOMRIGHT;
        case HIT_BORDER:        return HTCAPTION; // Enable drag move
        case HIT_INNER:         return HTCLIENT;
    }
    return HTNOWHERE;
}

Referenced by OnNCHitTest().

DrawGrip()

void CTextEditWindow::DrawGrip ( HDC  hDC, RECT &  rc  )

protected

Definition at line 42 of file textedit.cpp.

{
    drawSizeBoxes(hDC, &rc, TRUE, NULL);
}

Referenced by OnNCPaint(), and OnPaint().

FixEditPos()

void CTextEditWindow::FixEditPos

(

LPCWSTR

pszOldText

)

Definition at line 47 of file textedit.cpp.

{
    CStringW szText;
    GetWindowText(szText);
 
    RECT rcParent;
    ::GetWindowRect(m_hwndParent, &rcParent);
 
    CRect rc, rcWnd, rcText;
    GetWindowRect(&rcWnd);
    rcText = rcWnd;
 
    HDC hDC = GetDC();
    if (hDC)
    {
        SelectObject(hDC, m_hFontZoomed);
        TEXTMETRIC tm;
        GetTextMetrics(hDC, &tm);
        szText += L"x"; // This is a trick to enable the g_ptEnd newlines
        const UINT uFormat = DT_LEFT | DT_TOP | DT_EDITCONTROL | DT_NOPREFIX | DT_NOCLIP |
                             DT_EXPANDTABS | DT_WORDBREAK;
        DrawTextW(hDC, szText, -1, &rcText, uFormat | DT_CALCRECT);
        if (tm.tmDescent > 0)
            rcText.bottom += tm.tmDescent;
        ReleaseDC(hDC);
    }
 
    UnionRect(&rc, &rcText, &rcWnd);
    ::MapWindowPoints(NULL, m_hwndParent, (LPPOINT)&rc, 2);
 
    rcWnd = rc;
    ::GetClientRect(m_hwndParent, &rcParent);
    rc.IntersectRect(&rcParent, &rcWnd);
 
    MoveWindow(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, FALSE);
 
    DefWindowProc(WM_HSCROLL, SB_LEFT, 0);
    DefWindowProc(WM_VSCROLL, SB_TOP, 0);
 
    ::InvalidateRect(m_hwndParent, &rc, TRUE);
}

Referenced by OnChar(), OnKeyDown(), OnPaste(), and UpdateFont().

GetEditRect()

BOOL CTextEditWindow::GetEditRect

(

LPRECT

prc

)

const

Definition at line 377 of file textedit.cpp.

{
    *prc = m_rc;
    return TRUE;
}

Referenced by TextTool::draw().

GetFont()

HFONT CTextEditWindow::GetFont ( ) const

inline

Definition at line 25 of file textedit.h.

{ return m_hFont; }

Referenced by TextTool::draw().

InvalidateEditRect()

void CTextEditWindow::InvalidateEditRect

(

)

Definition at line 281 of file textedit.cpp.

{
    RECT rc;
    GetWindowRect(&rc);
    ::MapWindowPoints(NULL, m_hwndParent, (LPPOINT)&rc, 2);
    ::InvalidateRect(m_hwndParent, &rc, TRUE);
 
    GetClientRect(&rc);
    MapWindowPoints(canvasWindow, (LPPOINT)&rc, 2);
    canvasWindow.CanvasToImage(rc);
    m_rc = rc;
}

Referenced by TextTool::draw(), and OnSetSel().

MESSAGE_HANDLER() [1/11]

CTextEditWindow::MESSAGE_HANDLER	(	EM_SETSEL	,
		OnSetSel
	)

MESSAGE_HANDLER() [2/11]

CTextEditWindow::MESSAGE_HANDLER	(	WM_CLEAR	,
		OnClear
	)

MESSAGE_HANDLER() [3/11]

CTextEditWindow::MESSAGE_HANDLER	(	WM_CUT	,
		OnCut
	)

MESSAGE_HANDLER() [4/11]

CTextEditWindow::MESSAGE_HANDLER	(	WM_LBUTTONDOWN	,
		OnLButtonDown
	)

MESSAGE_HANDLER() [5/11]

CTextEditWindow::MESSAGE_HANDLER	(	WM_MOUSEWHEEL	,
		OnMouseWheel
	)

MESSAGE_HANDLER() [6/11]

CTextEditWindow::MESSAGE_HANDLER	(	WM_MOVE	,
		OnMove
	)

MESSAGE_HANDLER() [7/11]

CTextEditWindow::MESSAGE_HANDLER	(	WM_NCCALCSIZE	,
		OnNCCalcSize
	)

MESSAGE_HANDLER() [8/11]

CTextEditWindow::MESSAGE_HANDLER	(	WM_NCHITTEST	,
		OnNCHitTest
	)

MESSAGE_HANDLER() [9/11]

CTextEditWindow::MESSAGE_HANDLER	(	WM_PASTE	,
		OnPaste
	)

MESSAGE_HANDLER() [10/11]

CTextEditWindow::MESSAGE_HANDLER	(	WM_SETCURSOR	,
		OnSetCursor
	)

MESSAGE_HANDLER() [11/11]

CTextEditWindow::MESSAGE_HANDLER	(	WM_SIZE	,
		OnSize
	)

OnChar()

LRESULT CTextEditWindow::OnChar	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 89 of file textedit.cpp.

{
    if (wParam == VK_TAB)
        return 0; // FIXME: Tabs
 
    CStringW szText;
    GetWindowText(szText);
 
    LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
    FixEditPos(szText);
 
    return ret;
}

OnClear()

LRESULT CTextEditWindow::OnClear	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 513 of file textedit.cpp.

{
    LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
    Invalidate(TRUE); // Redraw
    return ret;
}

OnClose()

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

Definition at line 265 of file textedit.cpp.

{
    ShowWindow(SW_HIDE);
    if (m_hFont)
    {
        DeleteObject(m_hFont);
        m_hFont = NULL;
    }
    if (m_hFontZoomed)
    {
        DeleteObject(m_hFontZoomed);
        m_hFontZoomed = NULL;
    }
    return 0;
}

OnCreate()

LRESULT CTextEditWindow::OnCreate	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 259 of file textedit.cpp.

{
    UpdateFont();
    return 0;
}

OnCut()

LRESULT CTextEditWindow::OnCut	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 499 of file textedit.cpp.

{
    LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
    Invalidate(TRUE); // Redraw
    return ret;
}

OnEraseBkGnd()

LRESULT CTextEditWindow::OnEraseBkGnd	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 127 of file textedit.cpp.

{
    HDC hDC = (HDC)wParam;
    if (!toolsModel.IsBackgroundTransparent())
    {
        RECT rc;
        GetClientRect(&rc);
        HBRUSH hbr = CreateSolidBrush(paletteModel.GetBgColor());
        FillRect(hDC, &rc, hbr);
        DeleteObject(hbr);
    }
    ::SetTextColor(hDC, paletteModel.GetFgColor());
    return TRUE;
}

OnKeyDown()

LRESULT CTextEditWindow::OnKeyDown	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 103 of file textedit.cpp.

{
    if (wParam == VK_ESCAPE)
    {
        toolsModel.OnEndDraw(TRUE);
        return 0;
    }
 
    CStringW szText;
    GetWindowText(szText);
 
    LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
    FixEditPos(szText);
    return ret;
}

OnLButtonDown()

LRESULT CTextEditWindow::OnLButtonDown	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 119 of file textedit.cpp.

{
    LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
    DefWindowProc(WM_HSCROLL, SB_LEFT, 0);
    DefWindowProc(WM_VSCROLL, SB_TOP, 0);
    return ret;
}

OnMouseWheel()

LRESULT CTextEditWindow::OnMouseWheel	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 494 of file textedit.cpp.

{
    return ::SendMessageW(GetParent(), nMsg, wParam, lParam);
}

OnMove()

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

Definition at line 205 of file textedit.cpp.

{
    LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
    return ret;
}

OnMoving()

LRESULT CTextEditWindow::OnMoving	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 394 of file textedit.cpp.

{
    // Restrict the window position to the image area
    LPRECT prcMoving = (LPRECT)lParam;
    CRect rcMoving = *prcMoving;
 
    CRect rcImage;
    canvasWindow.GetImageRect(rcImage);
    canvasWindow.ImageToCanvas(rcImage);
    canvasWindow.MapWindowPoints(NULL, &rcImage);
 
    CRect rcWnd;
    GetWindowRect(&rcWnd);
    INT cx = rcWnd.Width(), cy = rcWnd.Height();
 
    if (rcMoving.left < rcImage.left)
    {
        rcMoving.left = rcImage.left;
        rcMoving.right = rcImage.left + cx;
    }
    else if (rcMoving.right > rcImage.right)
    {
        rcMoving.right = rcImage.right;
        rcMoving.left = rcImage.right - cx;
    }
 
    if (rcMoving.top < rcImage.top)
    {
        rcMoving.top = rcImage.top;
        rcMoving.bottom = rcImage.top + cy;
    }
    else if (rcMoving.bottom > rcImage.bottom)
    {
        rcMoving.bottom = rcImage.bottom;
        rcMoving.top = rcImage.bottom - cy;
    }
 
    *prcMoving = rcMoving;
    Invalidate(TRUE);
    return TRUE;
}

OnNCCalcSize()

LRESULT CTextEditWindow::OnNCCalcSize	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 175 of file textedit.cpp.

{
    return 0; // No frame.
}

OnNCHitTest()

LRESULT CTextEditWindow::OnNCHitTest	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 180 of file textedit.cpp.

{
    POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
    RECT rc;
    GetWindowRect(&rc);
    return DoHitTest(rc, pt);
}

OnNCPaint()

LRESULT CTextEditWindow::OnNCPaint	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 159 of file textedit.cpp.

{
    CRect rc;
    GetWindowRect(&rc);
 
    HDC hDC = GetDCEx(NULL, DCX_WINDOW | DCX_PARENTCLIP);
    if (hDC)
    {
        rc.OffsetRect(-rc.left, -rc.top);
        DrawGrip(hDC, rc);
        ReleaseDC(hDC);
    }
 
    return 0;
}

OnPaint()

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

Definition at line 142 of file textedit.cpp.

{
    RECT rc;
    GetClientRect(&rc);
 
    DefWindowProc(nMsg, wParam, lParam);
 
    HDC hDC = GetDC();
    if (hDC)
    {
        DrawGrip(hDC, rc);
        ReleaseDC(hDC);
    }
 
    return 0;
}

OnPaletteModelColorChanged()

LRESULT CTextEditWindow::OnPaletteModelColorChanged	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 294 of file textedit.cpp.

{
    UpdateFont();
    return 0;
}

OnPaste()

LRESULT CTextEditWindow::OnPaste	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 506 of file textedit.cpp.

{
    LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
    FixEditPos(NULL);
    return ret;
}

OnSetCursor()

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

Definition at line 188 of file textedit.cpp.

{
    if (CWaitCursor::IsWaiting())
    {
        bHandled = FALSE;
        return 0;
    }
 
    UINT nHitTest = LOWORD(lParam);
    if (nHitTest == HTCAPTION)
    {
        ::SetCursor(::LoadCursorW(NULL, (LPCWSTR)IDC_SIZEALL)); // Enable drag move
        return FALSE;
    }
    return DefWindowProc(nMsg, wParam, lParam);
}

OnSetSel()

LRESULT CTextEditWindow::OnSetSel	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 368 of file textedit.cpp.

{
    LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
    DefWindowProc(WM_HSCROLL, SB_LEFT, 0);
    DefWindowProc(WM_VSCROLL, SB_TOP, 0);
    InvalidateEditRect();
    return ret;
}

OnSize()

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

Definition at line 211 of file textedit.cpp.

{
    LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
 
    RECT rc;
    GetClientRect(&rc);
    SendMessage(EM_SETRECTNP, 0, (LPARAM)&rc);
    SendMessage(EM_SETMARGINS, EC_LEFTMARGIN | EC_RIGHTMARGIN, MAKELONG(0, 0));
 
    return ret;
}

OnSizing()

LRESULT CTextEditWindow::OnSizing	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 436 of file textedit.cpp.

{
    // Restrict the window size to the image area
    LPRECT prcSizing = (LPRECT)lParam;
    CRect rcSizing = *prcSizing;
 
    CRect rcImage;
    canvasWindow.GetImageRect(rcImage);
    canvasWindow.ImageToCanvas(rcImage);
    canvasWindow.MapWindowPoints(NULL, &rcImage);
 
    // Horizontally
    switch (wParam)
    {
        case WMSZ_BOTTOMLEFT:
        case WMSZ_LEFT:
        case WMSZ_TOPLEFT:
            if (rcSizing.left < rcImage.left)
                rcSizing.left = rcImage.left;
            break;
        case WMSZ_BOTTOMRIGHT:
        case WMSZ_RIGHT:
        case WMSZ_TOPRIGHT:
            if (rcSizing.right > rcImage.right)
                rcSizing.right = rcImage.right;
            break;
        case WMSZ_TOP:
        case WMSZ_BOTTOM:
        default:
            break;
    }
 
    // Vertically
    switch (wParam)
    {
        case WMSZ_BOTTOM:
        case WMSZ_BOTTOMLEFT:
        case WMSZ_BOTTOMRIGHT:
            if (rcSizing.bottom > rcImage.bottom)
                rcSizing.bottom = rcImage.bottom;
            break;
        case WMSZ_TOP:
        case WMSZ_TOPLEFT:
        case WMSZ_TOPRIGHT:
            if (rcSizing.top < rcImage.top)
                rcSizing.top = rcImage.top;
            break;
        case WMSZ_LEFT:
        case WMSZ_RIGHT:
        default:
            break;
    }
 
    *prcSizing = rcSizing;
    Invalidate(TRUE);
    return TRUE;
}

OnToolsModelSettingsChanged()

LRESULT CTextEditWindow::OnToolsModelSettingsChanged	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 300 of file textedit.cpp.

{
    UpdateFont();
    return 0;
}

OnToolsModelToolChanged()

LRESULT CTextEditWindow::OnToolsModelToolChanged	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 313 of file textedit.cpp.

{
    if (wParam == TOOL_TEXT)
    {
        UpdateFont();
    }
    else
    {
        ShowWindow(SW_HIDE);
    }
    return 0;
}

OnToolsModelZoomChanged()

LRESULT CTextEditWindow::OnToolsModelZoomChanged	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 306 of file textedit.cpp.

{
    UpdateFont();
    ValidateEditRect(NULL);
    return 0;
}

UpdateFont()

void CTextEditWindow::UpdateFont

(

)

Definition at line 326 of file textedit.cpp.

{
    if (m_hFont)
    {
        DeleteObject(m_hFont);
        m_hFont = NULL;
    }
    if (m_hFontZoomed)
    {
        DeleteObject(m_hFontZoomed);
        m_hFontZoomed = NULL;
    }
 
    LOGFONTW lf;
    ZeroMemory(&lf, sizeof(lf));
    lf.lfCharSet = DEFAULT_CHARSET; // registrySettings.CharSet; // Ignore
    lf.lfWeight = (registrySettings.Bold ? FW_BOLD : FW_NORMAL);
    lf.lfItalic = (BYTE)registrySettings.Italic;
    lf.lfUnderline = (BYTE)registrySettings.Underline;
    StringCchCopyW(lf.lfFaceName, _countof(lf.lfFaceName), registrySettings.strFontName);
 
    HDC hdc = GetDC();
    if (hdc)
    {
        INT nFontSize = registrySettings.PointSize;
        lf.lfHeight = -MulDiv(nFontSize, GetDeviceCaps(hdc, LOGPIXELSY), 72);
        ReleaseDC(hdc);
    }
 
    m_hFont = ::CreateFontIndirect(&lf);
 
    lf.lfHeight = Zoomed(lf.lfHeight);
    m_hFontZoomed = ::CreateFontIndirect(&lf);
 
    SetWindowFont(m_hWnd, m_hFontZoomed, TRUE);
    DefWindowProc(EM_SETMARGINS, EC_LEFTMARGIN | EC_RIGHTMARGIN, MAKELONG(0, 0));
 
    FixEditPos(NULL);
 
    Invalidate();
}

Referenced by Create(), OnCreate(), OnPaletteModelColorChanged(), OnToolsModelSettingsChanged(), OnToolsModelToolChanged(), and OnToolsModelZoomChanged().

ValidateEditRect()

void CTextEditWindow::ValidateEditRect

(

LPCRECT prc

OPTIONAL

)

Definition at line 383 of file textedit.cpp.

{
    if (prc)
        m_rc = *prc;
 
    CRect rc = m_rc;
    canvasWindow.ImageToCanvas(rc);
 
    MoveWindow(rc.left, rc.top, rc.Width(), rc.Height(), TRUE);
}

Referenced by TextTool::OnButtonUp(), and OnToolsModelZoomChanged().

Member Data Documentation

m_hFont

HFONT CTextEditWindow::m_hFont

protected

Definition at line 81 of file textedit.h.

Referenced by GetFont(), OnClose(), and UpdateFont().

m_hFontZoomed

HFONT CTextEditWindow::m_hFontZoomed

protected

Definition at line 82 of file textedit.h.

Referenced by FixEditPos(), OnClose(), and UpdateFont().

m_hwndParent

HWND CTextEditWindow::m_hwndParent

protected

Definition at line 80 of file textedit.h.

Referenced by Create(), FixEditPos(), and InvalidateEditRect().

m_rc

RECT CTextEditWindow::m_rc

protected

Definition at line 83 of file textedit.h.

Referenced by CTextEditWindow(), GetEditRect(), InvalidateEditRect(), and ValidateEditRect().

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

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