Leaked source code of windows server 2003
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/******************************************************************************/
/* T_TEXT.CPP: IMPLEMENTATION OF THE CTextTool CLASS */
/* */
/* */
/******************************************************************************/
/* */
/* Methods in this file */
/* */
/* CText Tool Class Object */
/* CTextTool::CTextTool */
/* CTextTool::~CTextTool */
/* CTextTool::CreateTextEditObject */
/* CTextTool::PlaceTextOnBitmap */
/* CTextTool::OnUpdateColors */
/* CTextTool::OnCancel */
/* CTextTool::OnStartDrag */
/* CTextTool::OnEndDrag */
/* CTextTool::OnDrag */
/* CTextTool::OnClickOptions */
/******************************************************************************/
/* */
/* This is the Text edit tool. It creates a tedit class object when the user */
/* is done dragging the selection for the size desired. */
/* */
/* The Once a text object window exist, it is either cancelled or placed */
/* according to the following rules. */
/* */
/* Cancel Rules */
/* - During a Drag, if the user drags more than MAX_MOVE_DIST_FOR_PLACE */
/* - At the End of a Drag, if the user lets up the mouse more than */
/* MAX_MOVE_DIST_FOR_PLACE pixels from where they did the mosue down */
/* - If the user selects anohter tool (in imgtools, select processing, see */
/* CImgTool::Select()). */
/* */
/* Place Rules */
/* - At the End of a Drag, if the user lets up the mouse less than or equal */
/* to MAX_MOVE_DIST_FOR_PLACE pixels from where they did the mosue down */
/* */
/* Also, during the time the edit control object is visible/exists, the scroll*/
/* bars are disabled. */
/* */
/******************************************************************************/
#include "stdafx.h"
#include "global.h"
#include "pbrush.h"
#include "pbrusdoc.h"
#include "pbrusfrm.h"
#include "pbrusvw.h"
#include "docking.h"
#include "minifwnd.h"
#include "bmobject.h"
#include "imgsuprt.h"
#include "imgwnd.h"
#include "imgbrush.h"
#include "imgwell.h"
#include "pictures.h"
#include "tfont.h"
#include "tedit.h"
#include "t_Text.h"
#ifdef _DEBUG
#undef THIS_FILE
static CHAR BASED_CODE THIS_FILE[] = __FILE__;
#endif
IMPLEMENT_DYNAMIC( CTextTool, CSelectTool )
#include "memtrace.h"
CTextTool NEAR g_TextTool;
/******************************************************************************/
CTextTool::CTextTool()
{
m_nCmdID = IDMX_TEXTTOOL;
m_pCTedit = NULL;
m_bIsUndoable = TRUE;
m_bCanBePrevTool = FALSE;
}
/******************************************************************************/
CTextTool::~CTextTool()
{
}
/******************************************************************************/
/* Creates the CTedit class object with the appropriate attributes and */
/* dissables the scroll bars on the bitmap window */
void CTextTool::CreateTextEditObject( CImgWnd* pImgWnd, MTI* pmti )
{
c_selectRect.SetRect( 0, 0, 0, 0 );
if (pImgWnd == NULL
|| pImgWnd->m_pImg == NULL)
return;
BOOL bBackTransparent;
CRect cRectTextBox;
if (pmti->ptDown.x > pmti->pt.x)
{
cRectTextBox.left = pmti->pt.x;
cRectTextBox.right = pmti->ptDown.x;
}
else
{
cRectTextBox.left = pmti->ptDown.x;
cRectTextBox.right = pmti->pt.x;
}
if (pmti->ptDown.y > pmti->pt.y)
{
cRectTextBox.top = pmti->pt.y;
cRectTextBox.bottom = pmti->ptDown.y;
}
else
{
cRectTextBox.top = pmti->ptDown.y;
cRectTextBox.bottom = pmti->pt.y;
}
if (cRectTextBox.left < 0)
cRectTextBox.left = 0;
if (cRectTextBox.top < 0)
cRectTextBox.top = 0;
if (cRectTextBox.right > pImgWnd->m_pImg->cxWidth - 1)
cRectTextBox.right = pImgWnd->m_pImg->cxWidth - 1;
if (cRectTextBox.bottom > pImgWnd->m_pImg->cyHeight - 1)
cRectTextBox.bottom = pImgWnd->m_pImg->cyHeight - 1;
CRect rectImg;
pImgWnd->GetClientRect( &rectImg );
pImgWnd->ClientToImage( rectImg );
if (cRectTextBox.left < rectImg.left)
cRectTextBox.left = rectImg.left;
if (cRectTextBox.top < rectImg.top )
cRectTextBox.top = rectImg.top;
if (cRectTextBox.right > rectImg.right)
cRectTextBox.right = rectImg.right - 1;
if (cRectTextBox.bottom > rectImg.bottom)
cRectTextBox.bottom = rectImg.bottom -1;
bBackTransparent = ! theImgBrush.m_bOpaque;
pImgWnd->ImageToClient( cRectTextBox );
m_pCTedit = new CTedit;
if (m_pCTedit != NULL
&& m_pCTedit->Create( pImgWnd, crLeft, crRight, cRectTextBox, bBackTransparent ))
{
SetupRubber( pImgWnd->m_pImg );
pImgWnd->EnableScrollBar( SB_BOTH, ESB_DISABLE_BOTH );
}
else
{
TRACE( TEXT("Create Edit Window Failed!\n") );
theApp.SetMemoryEmergency();
}
}
/******************************************************************************/
/* Places the image of the text edit control on the bitmap */
/* Then it deletes the text edit control, and re-enables the scroll bars */
void CTextTool::PlaceTextOnBitmap( CImgWnd* pImgWnd )
{
if (m_pCTedit->IsModified())
{
CRect cRectClient;
CDC* pDC = CDC::FromHandle(pImgWnd->m_pImg->hDC);
m_pCTedit->GetClientRect ( &cRectClient );
m_pCTedit->ClientToScreen( &cRectClient );
pImgWnd->ScreenToClient ( &cRectClient );
pImgWnd->ClientToImage ( cRectClient );
m_pCTedit->GetBitmap( pDC, &cRectClient );
InvalImgRect ( pImgWnd->m_pImg, &cRectClient );
CommitImgRect( pImgWnd->m_pImg, &cRectClient );
pImgWnd->FinishUndo( cRectClient );
DirtyImg( pImgWnd->m_pImg );
}
m_pCTedit->DestroyWindow();
m_pCTedit = NULL;
pImgWnd->EnableScrollBar( SB_BOTH, ESB_ENABLE_BOTH );
}
/******************************************************************************/
/* updates the foreground and background colors */
void CTextTool::OnUpdateColors( CImgWnd* pImgWnd )
{
if (m_pCTedit != NULL)
{
m_pCTedit->SetTextColor( crLeft );
m_pCTedit->SetBackColor( crRight );
}
}
/******************************************************************************/
void CTextTool::OnActivate( BOOL bActivate )
{
if (bActivate)
{
// Disallow activation if Zoomed.
if (CImgWnd::GetCurrent()->GetZoom() > 1 )
{
::MessageBeep( MB_ICONASTERISK );
SelectPrevious();
}
}
else
{
if (CWnd::GetCapture() != CImgWnd::c_pImgWndCur && m_pCTedit != NULL &&
IsWindow(m_pCTedit->m_hWnd) )
{
CAttrEdit* pEdit = m_pCTedit->GetEditWindow();
if (pEdit != NULL && IsWindow(pEdit->m_hWnd) && pEdit->GetWindowTextLength() > 0)
PlaceTextOnBitmap( CImgWnd::c_pImgWndCur );
else
{
m_pCTedit->DestroyWindow();
m_pCTedit = NULL;
InvalImgRect( CImgWnd::c_pImgWndCur->m_pImg, NULL ); // redraw selection
CImgWnd::c_pImgWndCur->EnableScrollBar( SB_BOTH, ESB_ENABLE_BOTH );
}
}
}
CImgTool::OnActivate( bActivate );
}
/******************************************************************************/
/* Deletes the text edit control, and refreshes the bitmap display, while */
/* also re-enabling the scroll bars */
void CTextTool::OnCancel(CImgWnd* pImgWnd)
{
if (m_pCTedit != NULL)
{
m_pCTedit->DestroyWindow();
m_pCTedit = NULL;
}
InvalImgRect( pImgWnd->m_pImg, NULL ); // redraw selection
pImgWnd->EnableScrollBar( SB_BOTH, ESB_ENABLE_BOTH );
CImgTool::OnCancel( pImgWnd );
}
/******************************************************************************/
void CTextTool::OnStartDrag( CImgWnd* pImgWnd, MTI* pmti )
{
CImgTool::OnStartDrag( pImgWnd, pmti );
OnDrag( pImgWnd, pmti );
}
/******************************************************************************/
/* if a text edit object does not exist, it creates one here. If one does */
/* exist, it checks the distance between the point down and point up. If */
/* less than or equal to MAX_MOVE_DIST_FOR_PLACE it places the bitmap, else */
/* it assumes the user wants to abort the prior text editing session, and */
/* destroys the prior text edit control and creates a new one with the newly */
/* created dragged coordinate box (ptdown and ptup). */
void CTextTool::OnEndDrag( CImgWnd* pImgWnd, MTI* pmti )
{
CSize cPtDownUpDistance = pmti->ptDown - pmti->pt;
// if the text box exists on a button up, was the button up close enough
// to the button down to decide to place instead of throw away and
// create a new text edit box.
if (m_pCTedit != NULL)
{
PlaceTextOnBitmap( pImgWnd );
int iDist = max( (abs( cPtDownUpDistance.cx )),
(abs( cPtDownUpDistance.cy )) );
if (iDist <= MAX_MOVE_DIST_FOR_PLACE)
{
ClearStatusBarSize();
CImgTool::OnEndDrag( pImgWnd, pmti );
}
else
CreateTextEditObject( pImgWnd, pmti );
}
else // m_pCTedit == NULL either 1st time or destroyed, since on drag moved more than MAX_MOVE_DIS_FOR_PLACE
{
CreateTextEditObject( pImgWnd, pmti );
}
}
/******************************************************************************/
void CTextTool::OnDrag( CImgWnd* pImgWnd, MTI* pmti )
{
CPoint ptNew( pmti->pt.x, pmti->pt.y );
CRect rectImg;
pImgWnd->GetClientRect( &rectImg );
pImgWnd->ClientToImage( rectImg );
if (! rectImg.PtInRect( ptNew ))
{
if (ptNew.x < rectImg.left)
ptNew.x = rectImg.left;
if (ptNew.x > rectImg.right)
ptNew.x = rectImg.right;
if (ptNew.y < rectImg.top)
ptNew.y = rectImg.top;
if (ptNew.y > rectImg.bottom)
ptNew.y = rectImg.bottom;
pmti->pt = ptNew;
}
CSelectTool::OnDrag( pImgWnd, pmti );
}
/******************************************************************************/
/* Set the text edit tool window's options for transparent or opaque */
void CTextTool::OnClickOptions( CImgToolWnd* pWnd, const CRect& optionsRect,
const CPoint& clickPoint )
{
CSelectTool::OnClickOptions( pWnd, optionsRect, clickPoint );
if (m_pCTedit != NULL)
m_pCTedit->SetTransparentMode( ! theImgBrush.m_bOpaque );
}
/******************************************************************************/
/* report to the rest of the program if the font palette is showin */
BOOL CTextTool::FontPaletteVisible()
{
return (m_pCTedit? m_pCTedit->IsFontPaletteVisible(): FALSE);
}
/******************************************************************************/
/* toggle the visable state of the Font Palette */
void CTextTool::ToggleFontPalette()
{
if (m_pCTedit)
m_pCTedit->ShowFontPalette( m_pCTedit->IsFontPaletteVisible()? SW_HIDE: SW_SHOW );
}
/******************************************************************************/
void CTextTool::OnShowControlBars(BOOL bShow)
{
if (m_pCTedit == NULL)
{
return;
}
if (bShow)
{
if (!theApp.m_bShowTextToolbar)
{
return;
}
m_pCTedit->ShowFontToolbar();
}
else
{
m_pCTedit->HideFontToolbar();
}
}
/******************************************************************************/
void CTextTool::CloseTextTool( CImgWnd* pImgWnd )
{
if (! m_pCTedit)
return;
if ( IsWindow(pImgWnd->m_hWnd) )
{
if (! m_pCTedit->IsModified())
{
OnCancel( pImgWnd );
return;
}
if (pRubberImg != pImgWnd->m_pImg)
SetupRubber( pImgWnd->m_pImg );
// SetUndo( pImgWnd->m_pImg );
PlaceTextOnBitmap( pImgWnd );
pImgWnd->UpdateWindow();
}
}
/******************************************************************************/