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mushview.cpp
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mushview.cpp
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// MUSHview.cpp : implementation of the CMUSHView class
//
// ANSI test in PennMUSH: think [ansi(cR,Nick)][ansi(wB,Gammon)][ansi(u,Underscored)]
#include "stdafx.h"
#include "MUSHclient.h"
#include "doc.h"
#include "MUSHview.h"
#include "mainfrm.h"
#include "childfrm.h"
#include "sendvw.h"
#include "ActivityDoc.h"
#include "genprint.h"
#include "dialogs\TextAttributesDlg.h"
#include "dialogs\GoToLineDlg.h"
#include "dialogs\HighlightPhraseDlg.h"
#include "dialogs\MultiLineTriggerDlg.h"
#include "scripting\errors.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif
#define REDRAW_DEBUG 0
#if REDRAW_DEBUG
#define TYPE_OF_RECT_FILL FillRect
// #define TYPE_OF_RECT_FILL FrameRect
#define TYPE_OF_RGN_FILL FillRgn
// #define TYPE_OF_RGN_FILL FrameRgn
void ShowInvalidatedRect (CMUSHView * pView, RECT & r,
COLORREF colour = RGB (0, 255, 255)) // cyan?
{
CClientDC dc(pView);
CBrush br;
br.CreateSolidBrush (colour);
dc.TYPE_OF_RECT_FILL (&r, &br);
Sleep (500); // pause so we can see it
} // end of ShowInvalidatedRect
void ShowInvalidatedRgn (CMUSHView * pView, CRgn & r)
{
CClientDC dc(pView);
CBrush br;
br.CreateSolidBrush (RGB (0, 255, 255)); // cyan?
dc.TYPE_OF_RGN_FILL (&r, &br);
Sleep (500); // pause so we can see it
} // end of ShowInvalidatedRgn
#endif // REDRAW_DEBUG
#define TTI_NONE 0 // no icon
#define TTI_INFO 1 // information icon
#define TTI_WARNING 2 // warning icon
#define TTI_ERROR 3 // error icon
/*
JMC - "redefinition of macro" warnings fixed
These four are already defined with the same values
in commctrl.h (Platform SDK header)
TTM_SETTITLEA, TTM_SETTITLEW,
TTM_POPUP, TTM_GETTITLE
*/
#ifndef TTM_SETTITLEA
#define TTM_SETTITLEA (WM_USER+32)
#endif
#define TTM_SETTITLE TTM_SETTITLEA
#define TTM_SETWINDOWTHEME CCM_SETWINDOWTHEME
CString strMXP_menu_item [MXP_MENU_COUNT];
#define ACTION_ALIAS 1 // dummy action type for alias menus
// for conversion to Unicode
static WCHAR sUnicodeText [MAX_LINE_WIDTH];
int iAction = 0;
/////////////////////////////////////////////////////////////////////////////
// CMUSHView
IMPLEMENT_DYNCREATE(CMUSHView, CView)
BEGIN_MESSAGE_MAP(CMUSHView, CView)
ON_WM_CONTEXTMENU()
//{{AFX_MSG_MAP(CMUSHView)
ON_COMMAND(ID_TEST_END, OnTestEnd)
ON_COMMAND(ID_TEST_PAGEDOWN, OnTestPagedown)
ON_COMMAND(ID_TEST_PAGEUP, OnTestPageup)
ON_COMMAND(ID_TEST_START, OnTestStart)
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONUP()
ON_WM_MOUSEMOVE()
ON_WM_SETCURSOR()
ON_COMMAND(ID_TEST_LINEDOWN, OnTestLinedown)
ON_COMMAND(ID_TEST_LINEUP, OnTestLineup)
ON_COMMAND(ID_EDIT_COPY, OnEditCopy)
ON_WM_ERASEBKGND()
ON_COMMAND(ID_KEYS_ACTIVATECOMMANDVIEW, OnKeysActivatecommandview)
ON_WM_SIZE()
ON_COMMAND(ID_DISPLAY_FREEZEOUTPUT, OnDisplayFreezeoutput)
ON_UPDATE_COMMAND_UI(ID_DISPLAY_FREEZEOUTPUT, OnUpdateDisplayFreezeoutput)
ON_UPDATE_COMMAND_UI(ID_STATUSLINE_FREEZE, OnUpdateStatuslineFreeze)
ON_COMMAND(ID_WINDOW_MINIMIZE, OnWindowMinimize)
ON_UPDATE_COMMAND_UI(ID_WINDOW_MINIMIZE, OnUpdateWindowMinimize)
ON_WM_CHAR()
ON_WM_SYSCHAR()
ON_COMMAND(ID_DISPLAY_FIND, OnDisplayFind)
ON_COMMAND(ID_DISPLAY_FINDAGAIN, OnDisplayFindagain)
ON_COMMAND(ID_FILE_PRINT_WORLD, OnFilePrintWorld)
ON_WM_VSCROLL()
ON_COMMAND(ID_FILE_SAVESELECTION, OnFileSaveselection)
ON_COMMAND(ID_FIND_AGAIN_BACKWARDS, OnFindAgainBackwards)
ON_UPDATE_COMMAND_UI(ID_FIND_AGAIN_BACKWARDS, OnUpdateFindAgainBackwards)
ON_COMMAND(ID_FIND_AGAIN_FORWARDS, OnFindAgainForwards)
ON_UPDATE_COMMAND_UI(ID_FIND_AGAIN_FORWARDS, OnUpdateFindAgainForwards)
ON_COMMAND(ID_DISPLAY_GOTOURL, OnDisplayGotourl)
ON_UPDATE_COMMAND_UI(ID_DISPLAY_GOTOURL, OnUpdateNeedSelection)
ON_COMMAND(ID_DISPLAY_SENDMAILTO, OnDisplaySendmailto)
ON_COMMAND(ID_EDIT_SELECT_ALL, OnEditSelectAll)
ON_WM_LBUTTONDBLCLK()
ON_COMMAND(ID_DISPLAY_GOTOBOOKMARK, OnDisplayGotobookmark)
ON_COMMAND(ID_DISPLAY_BOOKMARKSELECTION, OnDisplayBookmarkselection)
ON_WM_MOUSEWHEEL()
ON_COMMAND(ID_ALT_UPARROW, OnAltUparrow)
ON_COMMAND(ID_ALT_DOWNARROW, OnAltDownarrow)
ON_COMMAND(ID_DISPLAY_TEXTATTRIBUTES, OnDisplayTextattributes)
ON_COMMAND(ID_EDIT_NOTESWORKAREA, OnEditNotesworkarea)
ON_COMMAND(ID_DISPLAY_RECALLTEXT, OnDisplayRecalltext)
ON_WM_KEYDOWN()
ON_WM_KEYUP()
ON_WM_SYSKEYDOWN()
ON_WM_SYSKEYUP()
ON_COMMAND(ID_DISPLAY_GOTOLINE, OnDisplayGotoline)
ON_COMMAND(ID_GAME_COMMANDHISTORY, OnGameCommandhistory)
ON_COMMAND(ID_FILE_CTRL_N, OnFileCtrlN)
ON_COMMAND(ID_FILE_CTRL_P, OnFileCtrlP)
ON_COMMAND(ID_EDIT_CTRL_Z, OnEditCtrlZ)
ON_COMMAND(ID_EDIT_COPYASHTML, OnEditCopyashtml)
ON_COMMAND(ID_DISPLAY_HIGHLIGHTPHRASE, OnDisplayHighlightphrase)
ON_COMMAND(ID_DISPLAY_MULTILINETRIGGER, OnDisplayMultilinetrigger)
ON_COMMAND(ID_WINDOW_MAXIMIZE, OnWindowMaximize)
ON_COMMAND(ID_WINDOW_RESTORE, OnWindowRestore)
ON_WM_SYSCOMMAND()
ON_WM_RBUTTONUP()
ON_WM_RBUTTONDOWN()
ON_UPDATE_COMMAND_UI(ID_EDIT_COPY, OnUpdateNeedSelectionForCopy)
ON_UPDATE_COMMAND_UI(ID_FILE_SAVESELECTION, OnUpdateNeedSelection)
ON_UPDATE_COMMAND_UI(ID_DISPLAY_SENDMAILTO, OnUpdateNeedSelection)
ON_COMMAND(ID_KEYS_TAB, OnKeysActivatecommandview)
ON_COMMAND(ID_KEYS_ESCAPE, OnKeysActivatecommandview)
ON_UPDATE_COMMAND_UI(ID_DISPLAY_TEXTATTRIBUTES, OnUpdateNeedSelection)
ON_UPDATE_COMMAND_UI(ID_EDIT_COPYASHTML, OnUpdateNeedSelectionForCopy)
ON_WM_RBUTTONDBLCLK()
//}}AFX_MSG_MAP
// macros
ON_COMMAND_EX(ID_MACRO_CTRL_F10, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_CTRL_F11, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_CTRL_F12, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_CTRL_F2, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_CTRL_F3, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_CTRL_F5, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_CTRL_F7, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_CTRL_F8, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_CTRL_F9, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_F10, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_F11, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_F12, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_F2, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_F3, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_F4, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_F5, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_F7, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_F8, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_F9, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_SHIFT_F10, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_SHIFT_F11, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_SHIFT_F12, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_SHIFT_F2, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_SHIFT_F3, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_SHIFT_F4, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_SHIFT_F5, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_SHIFT_F7, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_SHIFT_F8, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_SHIFT_F9, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_A, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_B, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_J, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_K, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_L, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_M, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_N, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_O, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_P, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_Q, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_R, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_S, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_T, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_U, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_X, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_Y, OnMacroCommand)
ON_COMMAND_EX(ID_ALT_Z, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_F1, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_CTRL_F1, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_SHIFT_F1, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_F6, OnMacroCommand)
ON_COMMAND_EX(ID_MACRO_CTRL_F6, OnMacroCommand)
// numeric keypad
ON_COMMAND_EX(ID_KEYPAD_0, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_1, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_2, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_3, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_4, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_5, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_6, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_7, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_8, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_9, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_DASH, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_DOT, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_PLUS, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_SLASH, OnKeypadCommand)
ON_COMMAND_EX(ID_KEYPAD_STAR, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_0, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_1, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_2, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_3, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_4, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_5, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_6, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_7, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_8, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_9, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_DASH, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_DOT, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_PLUS, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_SLASH, OnKeypadCommand)
ON_COMMAND_EX(ID_CTRL_KEYPAD_STAR, OnKeypadCommand)
// Standard printing commands
ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
// MXP pop-up menu
ON_COMMAND_RANGE(MXP_FIRST_MENU,
MXP_FIRST_MENU + MXP_MENU_COUNT - 1,
OnMXPMenu)
// Accelerator commands
ON_COMMAND_RANGE(ACCELERATOR_FIRST_COMMAND,
ACCELERATOR_FIRST_COMMAND + ACCELERATOR_COUNT - 1,
OnAcceleratorCommand)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMUSHView construction/destruction
CMUSHView::CMUSHView()
{
m_selstart_line = 0;
m_selstart_col = 0;
m_selend_line = 0;
m_selend_col = 0;
m_freeze = FALSE;
m_bAtBufferEnd = false;
m_last_line_drawn = 0;
m_last_line = 0;
m_nLastToolTipLine = 0;
m_nLastToolTipColumn = 0;
m_scroll_position = 0;
m_mousedover = false;
m_bottomview = NULL;
m_iPauseStatus = ePauseUninitialised;
}
CMUSHView::~CMUSHView()
{
}
/////////////////////////////////////////////////////////////////////////////
// CMUSHView drawing
// for extracting parts of the style out - see copy in doc.cpp
#if 0
static inline short get_foreground (int style)
{
if (style & CUSTOM)
{
int iColour = (style >> 4) & 0x0FF; // we have up to 256 custom colours
if (iColour >= MAX_CUSTOM)
iColour = 0;
return iColour;
}
else
return (style >> 4) & 0x07;
} // end of get_foreground
static inline short get_background (int style)
{
if (style & CUSTOM)
return 0; // custom colour backgrounds are defined as part of the colour
else
return (style >> 8) & 0x07;
} // end of get_background
#endif
long CMUSHView::calculate_width (const int & line,
const int len,
CMUSHclientDoc* pDoc,
CClientDC & dc)
{
int thiscol = 0;
int cols_to_go = len;
int thislen;
CSize textsize;
long pixel = 0;
POSITION pos;
CLine * pLine = pDoc->m_LineList.GetAt (pDoc->GetLinePosition (line));
if (len <= 0)
return 0;
CStyle * pStyle;
// do each batch of styles separately
for (pos = pLine->styleList.GetHeadPosition(); pos && cols_to_go > 0; )
{
pStyle = pLine->styleList.GetNext (pos);
if (pStyle->iLength <= 0)
continue; // ignore zero-length runs
// don't overshoot requested column
thislen = MIN (cols_to_go, pStyle->iLength);
// select appropriate font
if (pDoc->m_font [pStyle->iFlags & 7])
dc.SelectObject(pDoc->m_font [pStyle->iFlags & 7]);
if (pDoc->m_bUTF_8)
{
int iUnicodeCharacters = MultiByteToWideChar (CP_UTF8, 0, // do not use flag MB_PRECOMPOSED - doesn't work!
&pLine->text [thiscol], thislen, // input
sUnicodeText, MAX_LINE_WIDTH); // output
// now calculate width of Unicode pixels
GetTextExtentPoint32W(
dc.m_hDC, // handle to device context
sUnicodeText, // pointer to text string
iUnicodeCharacters, // number of characters in string
&textsize // pointer to structure for string size
);
}
else
{
// find exact width of this text (Ascii)
textsize = dc.GetTextExtent (
&pLine->text [thiscol],
thislen);
}
thiscol += thislen; // new column
cols_to_go -= thislen; // fewer in next batch
pixel += textsize.cx; // count pixels
} // end of this style
return pixel;
} // end of calculate_width
/*
So that italic text doesn't get chopped off at the RH boundary we will draw each
line twice - once for the background, and then redraw over it transparently for the
text.
*/
void CMUSHView::display_text (CDC* pDC,
const CMUSHclientDoc* pDoc,
const long line,
const CLine * pLine,
const int col,
const int len,
const BOOL selected,
long & pixel,
const bool bBackground)
{
RECT r;
COLORREF colour1,
colour2,
clrBackground;
if (len <= 0)
return;
pDC->SetBkMode (bBackground ? OPAQUE : TRANSPARENT);
int thiscol = col;
int cols_to_go = len;
int thislen;
CSize textsize;
CStyle * pStyle;
int iCol = 0;
POSITION foundpos;
if (!pDoc->FindStyle (pLine, col, iCol, pStyle, foundpos))
return;
// get next style in sequence
pLine->styleList.GetNext (foundpos); // skip one we had
// how much do we do of this style?
thislen = iCol - col;
while (thiscol < (col + len))
{
// don't overshoot
thislen = MIN (cols_to_go, thislen);
if (pDoc->m_font [pStyle->iFlags & 7])
pDC->SelectObject(pDoc->m_font [pStyle->iFlags & 7]);
pDoc->GetStyleRGB (pStyle, colour1, colour2);
if (selected)
{
pDC->SetTextColor (pDoc->TranslateColour (colour2));
clrBackground = colour1;
}
else
{
pDC->SetTextColor (pDoc->TranslateColour (colour1));
clrBackground = colour2;
}
int iUnicodeCharacters = 0;
// unicode conversion from UTF-8
if (pDoc->m_bUTF_8)
{
iUnicodeCharacters = MultiByteToWideChar (CP_UTF8, 0, // do not use flag MB_PRECOMPOSED - doesn't work!
&pLine->text [thiscol], thislen, // input
sUnicodeText, MAX_LINE_WIDTH); // output
// now calculate width of Unicode pixels
GetTextExtentPoint32W(
pDC->m_hDC, // handle to device context
sUnicodeText, // pointer to text string
iUnicodeCharacters, // number of characters in string
&textsize // pointer to structure for string size
);
}
else
{
// find exact width of this text (Ascii)
textsize = pDC->GetTextExtent (
&pLine->text [thiscol],
thislen);
}
SetRect (&r,
pDoc->m_iPixelOffset + pixel,
- pDoc->m_iPixelOffset + line * pDoc->m_FontHeight,
pDoc->m_iPixelOffset + pixel + textsize.cx,
- pDoc->m_iPixelOffset + (line + 1) * pDoc->m_FontHeight);
// allow for scroll position
OffsetRect (&r, -m_scroll_position.x, -m_scroll_position.y);
// allow for text rectangle
OffsetRect (&r, pDoc->m_TextRectangle.left, pDoc->m_TextRectangle.top);
if (bBackground)
{
COLORREF b;
if (pDoc->m_bCustom16isDefaultColour)
b = pDoc->m_customback [15];
else
b = pDoc->m_normalcolour [BLACK];
if (clrBackground != b)
pDC->FillSolidRect (&r, pDoc->TranslateColour (clrBackground));
}
else
{
if (pDoc->m_bUTF_8) // Unicode output
ExtTextOutW( // W = wide
pDC->m_hDC,
r.left,
r.top,
0, // transparent
&r,
sUnicodeText,
iUnicodeCharacters,
NULL);
else // Ascii output
pDC->ExtTextOut (
r.left,
r.top,
0, // transparent
&r,
&pLine->text [thiscol],
thislen,
NULL);
}
thiscol += thislen;
cols_to_go -= thislen; // this many fewer to go
pixel += textsize.cx;
if (!foundpos)
break; // no more styles
pStyle = pLine->styleList.GetNext (foundpos); // and get next one
thislen = pStyle->iLength;
} // end of this group of the same colour
} // end of CMUSHView::display_text
// see: http://www.codeguru.com/Cpp/misc/misc/flickerfreedrawing/article.php/c389
//////////////////////////////////////////////////
// CMemDC - memory DC
//
// Author: Keith Rule
// Email: keithr@europa.com
// Copyright 1996-1997, Keith Rule
//
// You may freely use or modify this code provided this
// Copyright is included in all derived versions.
//
// History - 10/3/97 Fixed scrolling bug.
// Added print support.
//
// This class implements a memory Device Context
class CMyMemDC : public CDC {
private:
CBitmap m_bitmap; // Offscreen bitmap
CBitmap* m_oldBitmap; // bitmap originally found in CMyMemDC
CDC* m_pDC; // Saves CDC passed in constructor
CRect m_rect; // Rectangle of drawing area.
BOOL m_bMemDC; // TRUE if CDC really is a Memory DC.
public:
CMyMemDC(CDC* pDC, RECT rect) : CDC(), m_oldBitmap(NULL), m_pDC(pDC), m_rect (rect)
{
ASSERT(m_pDC != NULL); // If you asserted here, you passed in a NULL CDC.
m_bMemDC = !pDC->IsPrinting();
if (m_bMemDC){
// Create a Memory DC
CreateCompatibleDC(pDC);
m_bitmap.CreateCompatibleBitmap(pDC, m_rect.Width(), m_rect.Height());
m_oldBitmap = SelectObject(&m_bitmap);
SetWindowOrg(m_rect.left, m_rect.top);
} else {
// Make a copy of the relevent parts of the current DC for printing
m_bPrinting = pDC->m_bPrinting;
m_hDC = pDC->m_hDC;
m_hAttribDC = pDC->m_hAttribDC;
}
}
~CMyMemDC()
{
if (m_bMemDC) {
// Copy the offscreen bitmap onto the screen.
m_pDC->BitBlt(m_rect.left, m_rect.top, m_rect.Width(), m_rect.Height(),
this, m_rect.left, m_rect.top, SRCCOPY);
//Swap back the original bitmap.
SelectObject(m_oldBitmap);
} else {
// All we need to do is replace the DC with an illegal value,
// this keeps us from accidently deleting the handles associated with
// the CDC that was passed to the constructor.
m_hDC = m_hAttribDC = NULL;
}
}
// Allow usage as a pointer
CMyMemDC* operator->() {return this;}
// Allow usage as a pointer
operator CMyMemDC*() {return this;}
};
/* modes:
0 = stretch to output view size
1 = stretch with aspect ratio
2 = stretch to owner size
3 = stretch with aspect ratio
-- going clockwise here:
-- top
4 = top left
5 = center left-right at top
6 = top right
-- rh side
7 = on right, center top-bottom
8 = on right, at bottom
-- bottom
9 = center left-right at bottom
-- lh side
10 = on left, at bottom
11 = on left, center top-bottom
-- middle
12 = center all
13 = tile
*/
void CMUSHView::Blit_Bitmap (CDC* pDestDC, CDC* pSrcDC,
const long iWidth, const long iHeight,
const short iMode,
CRect & rect,
const bool bUseRect,
const bool bTransparent,
const COLORREF TransparentColour)
{
if (iWidth <= 0 || iHeight <= 0)
return;
CChildFrame * pFrame = m_owner_frame;
RECT r;
if (iMode == 2 || iMode == 3)
pFrame->GetClientRect (&r);
else
GetClientRect (&r);
pDestDC->SetStretchBltMode (HALFTONE); // looks better when squashed
// they know where they want it to go
if (bUseRect)
{
rect.right = iWidth;
rect.bottom = iHeight;
}
else
{
switch (iMode)
{
case 0 : // stretch
case 2 :
rect = CRect (0, 0, r.right, r.bottom);
break;
case 1: // stretch with aspect ratio
case 3:
{
double ratio = ((double) iWidth) / ((double) iHeight);
rect = CRect (0, 0, r.bottom * ratio, r.bottom);
break;
}
case 4: // top left
rect = CRect (0, 0, iWidth, iHeight);
break;
case 5 : // center left-right at top
rect = CRect ((r.right - iWidth) / 2, 0, iWidth, iHeight);
break;
case 6 : // top right
rect = CRect (r.right - iWidth, 0, iWidth, iHeight);
break;
case 7 : // on right, center top-bottom
rect = CRect (r.right - iWidth, (r.bottom - iHeight) / 2, iWidth, iHeight);
break;
case 8 : // on right at bottom
rect = CRect (r.right - iWidth, r.bottom - iHeight, iWidth, iHeight);
break;
case 9 : // center left-right at bottom
rect = CRect ((r.right - iWidth) / 2, r.bottom - iHeight, iWidth, iHeight);
break;
case 10 : // on left, at bottom
rect = CRect (0, r.bottom - iHeight, iWidth, iHeight);
break;
case 11 : // on left, center top-bottom
rect = CRect (0, (r.bottom - iHeight) / 2, iWidth, iHeight);
break;
case 12: // center all
rect = CRect ((r.right - iWidth) / 2, (r.bottom - iHeight) / 2, iWidth, iHeight);
break;
case 13 : // tile
{
rect = r;
int iAcross = (r.right / iWidth) + 1;
int iDown = (r.bottom / iHeight) + 1;
int x, y;
for (x = 0; x < iAcross; x++)
{
for (y = 0; y < iDown; y++)
{
pDestDC->BitBlt (x * iWidth, y * iHeight,
iWidth, iHeight, pSrcDC, 0, 0, SRCCOPY);
} // each y
} // each x
} // tile
return; // don't blit again
} // end switch
} // end of not absolute position
if (iMode <= 3 && !bUseRect) // stretch (not for absolute rectangles)
pDestDC->StretchBlt(rect.left, rect.top, rect.right, rect.bottom, pSrcDC, 0, 0, iWidth, iHeight, SRCCOPY);
else
{ // normal
if (bTransparent)
{
COLORREF crOldBack = pDestDC->SetBkColor (RGB (255, 255, 255)); // white
COLORREF crOldText = pDestDC->SetTextColor (RGB (0, 0, 0)); // black
CDC dcTrans; // transparency mask
// Create a memory dc for the mask
dcTrans.CreateCompatibleDC(pDestDC);
// Create the mask bitmap for the subset of the main image
CBitmap bitmapTrans;
bitmapTrans.CreateBitmap(iWidth, iHeight, 1, 1, NULL);
// Select the mask bitmap into the appropriate dc
CBitmap* pOldBitmapTrans = dcTrans.SelectObject(&bitmapTrans);
// Set transparency colour
COLORREF crOldBackground = pSrcDC->SetBkColor (TransparentColour);
// Build mask based on transparent colour at location 0, 0
dcTrans.BitBlt (0, 0, iWidth, iHeight, pSrcDC, 0, 0, SRCCOPY);
// Do the work
pDestDC->BitBlt (rect.left, rect.top, iWidth, iHeight, pSrcDC, 0, 0, SRCINVERT);
pDestDC->BitBlt (rect.left, rect.top, iWidth, iHeight, &dcTrans, 0, 0, SRCAND);
pDestDC->BitBlt (rect.left, rect.top, iWidth, iHeight, pSrcDC, 0, 0, SRCINVERT);
// Restore settings
dcTrans.SelectObject(pOldBitmapTrans);
pDestDC->SetBkColor(crOldBack);
pDestDC->SetTextColor(crOldText);
pSrcDC->SetBkColor(crOldBackground);
}
else // not transparent
pDestDC->BitBlt (rect.left, rect.top, rect.right, rect.bottom, pSrcDC, 0, 0, SRCCOPY);
}
// make into rectangle, not position and width/height
rect.right += rect.left;
rect.bottom += rect.top;
} // end of CMUSHView::Blit_Bitmap
void CMUSHView::DrawImage (CDC* pDC, CBitmap & bitmap, const short iMode)
{
if ((HBITMAP) bitmap == NULL)
return;
CClientDC dc(this);
CDC bmDC;
bmDC.CreateCompatibleDC(&dc);
CBitmap *pOldbmp = bmDC.SelectObject(&bitmap);
BITMAP bi;
bitmap.GetBitmap(&bi);
CRect r;
Blit_Bitmap (pDC, &bmDC, bi.bmWidth, bi.bmHeight, iMode, r);
bmDC.SelectObject(pOldbmp);
} // end of CMUSHView::DrawImage
void CMUSHView::OnDraw(CDC* dc)
{
// this stuff stops the flicker when redawing stuff that is almost identical to last time
CRect rcBounds;
GetClientRect(&rcBounds);
CMyMemDC pDC(dc, rcBounds);
int startline,
endline,
line,
lastline,
startcol,
endcol;
long pixel;
CMUSHclientDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
if (!pDoc->m_FontHeight)
return;
// sigh. How many times did we do this?
pDoc->m_iOutputWindowRedrawCount++;
pDC->SelectClipRgn (NULL);
CBrush backbr;
CRect rect;
// background colour
if (pDoc->m_iBackgroundColour != NO_COLOUR)
backbr.CreateSolidBrush (pDoc->m_iBackgroundColour);
else if (pDoc->m_bCustom16isDefaultColour)
backbr.CreateSolidBrush (pDoc->TranslateColour (pDoc->m_customback [15]));
else
backbr.CreateSolidBrush (pDoc->TranslateColour (pDoc->m_normalcolour [BLACK]));
RECT r;
GetClientRect (&r);
pDC->SetBkMode (OPAQUE);
CRect TextRectangle = GetTextRectangle ();
// do external fill
if (HaveTextRectangle () && pDoc->m_TextRectangleOutsideFillStyle != BS_NULL)
{
CBrush br;
ValidateBrushStyle (pDoc->m_TextRectangleOutsideFillStyle,
pDoc->m_TextRectangleBorderColour,
pDoc->m_TextRectangleOutsideFillColour,
br);
CPen pen;
pen.CreatePen(PS_NULL, (int) 1, pDoc->m_TextRectangleBorderColour);
CPen* oldPen = pDC->SelectObject(&pen);
CBrush* oldBrush = pDC->SelectObject(&br);
if (pDoc->m_TextRectangleOutsideFillStyle > 1 && pDoc->m_TextRectangleOutsideFillStyle <= 7)
pDC->SetBkColor (pDoc->m_TextRectangleOutsideFillColour); // for hatched brushes this is the background colour
else
if (pDoc->m_TextRectangleOutsideFillStyle > 7) // pattern brushes
{
pDC->SetTextColor (pDoc->m_TextRectangleOutsideFillColour); // for hatched brushes and patterned brushes
pDC->SetBkColor (pDoc->m_TextRectangleBorderColour); // for patterned brushes
}
pDC->Rectangle (&r);
pDC->SelectObject (oldPen);
pDC->SelectObject (oldBrush);
CRect fillrect (GetTextRectangle ());
fillrect.InflateRect (pDoc->m_TextRectangleBorderOffset, pDoc->m_TextRectangleBorderOffset);
fillrect.InflateRect (pDoc->m_TextRectangleBorderWidth, pDoc->m_TextRectangleBorderWidth);
pDC->FillRect (&fillrect, &backbr);
}
else
pDC->FillRect (&r, &backbr);
// background image
if ((HBITMAP) pDoc->m_BackgroundBitmap)
DrawImage (pDC, pDoc->m_BackgroundBitmap, pDoc->m_iBackgroundMode);
if (HaveTextRectangle ())
{
if (pDoc->m_TextRectangleBorderWidth > 0)
{
// create pen
CPen pen;
pen.CreatePen (PS_SOLID, pDoc->m_TextRectangleBorderWidth, pDoc->m_TextRectangleBorderColour);
CBrush br;
LOGBRUSH lb;
lb.lbStyle = BS_NULL;
br.CreateBrushIndirect (&lb);
// select into DC
CPen* oldPen = pDC->SelectObject(&pen);
CBrush* oldBrush = pDC->SelectObject(&br);
CRect r (TextRectangle);
r.InflateRect (pDoc->m_TextRectangleBorderWidth, pDoc->m_TextRectangleBorderWidth);
r.InflateRect (pDoc->m_TextRectangleBorderOffset, pDoc->m_TextRectangleBorderOffset);
pDC->Rectangle (r);
pDC->SelectObject (oldPen);
pDC->SelectObject (oldBrush);
}
} // end of text rectangle
Calculate_MiniWindow_Rectangles (pDoc, true);
MiniWindowVectorIterator mwit;
// mini windows - on bottom
for (mwit = pDoc->m_MiniWindowsOrder.begin ();
mwit != pDoc->m_MiniWindowsOrder.end ();
mwit++)
{
CMiniWindow * mw = mwit->second;
// not if not to be shown
if (!mw->GetShow () || mw->m_bTemporarilyHide)
continue;
long iFlags = mw->GetFlags ();
// not if wrong time
if (!(iFlags & MINIWINDOW_DRAW_UNDERNEATH))
continue;
// blit onto screen
Blit_Bitmap (pDC, mw->GetDC (),
mw->GetWidth (), mw->GetHeight (),
mw->GetPosition (),
mw->m_rect,
mw->GetPosition () != 13, // absolute? - we precalculated so yes (except tile)