diff options
author | Michael Stahl <mstahl@redhat.com> | 2012-01-28 20:52:45 +0100 |
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committer | Michael Stahl <mstahl@redhat.com> | 2012-01-28 20:52:45 +0100 |
commit | 2e626373db2412ac22e8c5c27a60d11cd29e875b (patch) | |
tree | 9e9f67205cd5b72f1031721273e1534a3a1e5b0f /embedserv/source/embed/tracker.cxx | |
parent | f7ee7bbd5174b084f018c2ec94d8c70c98ee04da (diff) |
replace obsolete "master" branch with README that points at new repoHEADmaster-deletedmaster
Diffstat (limited to 'embedserv/source/embed/tracker.cxx')
-rw-r--r-- | embedserv/source/embed/tracker.cxx | 841 |
1 files changed, 0 insertions, 841 deletions
diff --git a/embedserv/source/embed/tracker.cxx b/embedserv/source/embed/tracker.cxx deleted file mode 100644 index 4d7e7408a..000000000 --- a/embedserv/source/embed/tracker.cxx +++ /dev/null @@ -1,841 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ -#if defined(_MSC_VER) && (_MSC_VER > 1310) -#pragma warning(disable : 4917 4555) -#endif - -#include "stdafx.h" -#include <stddef.h> -#include "syswinwrapper.hxx" - - -HCURSOR _afxCursors[10] = { 0, }; -HBRUSH _afxHalftoneBrush = 0; - - -// the struct below is used to determine the qualities of a particular handle -struct AFX_HANDLEINFO -{ - size_t nOffsetX; // offset within RECT for X coordinate - size_t nOffsetY; // offset within RECT for Y coordinate - int nCenterX; // adjust X by Width()/2 * this number - int nCenterY; // adjust Y by Height()/2 * this number - int nHandleX; // adjust X by handle size * this number - int nHandleY; // adjust Y by handle size * this number - int nInvertX; // handle converts to this when X inverted - int nInvertY; // handle converts to this when Y inverted -}; - -// this array describes all 8 handles (clock-wise) -const AFX_HANDLEINFO _afxHandleInfo[] = -{ - // corner handles (top-left, top-right, bottom-right, bottom-left - { offsetof(RECT, left), offsetof(RECT, top), 0, 0, 0, 0, 1, 3 }, - { offsetof(RECT, right), offsetof(RECT, top), 0, 0, -1, 0, 0, 2 }, - { offsetof(RECT, right), offsetof(RECT, bottom), 0, 0, -1, -1, 3, 1 }, - { offsetof(RECT, left), offsetof(RECT, bottom), 0, 0, 0, -1, 2, 0 }, - - // side handles (top, right, bottom, left) - { offsetof(RECT, left), offsetof(RECT, top), 1, 0, 0, 0, 4, 6 }, - { offsetof(RECT, right), offsetof(RECT, top), 0, 1, -1, 0, 7, 5 }, - { offsetof(RECT, left), offsetof(RECT, bottom), 1, 0, 0, -1, 6, 4 }, - { offsetof(RECT, left), offsetof(RECT, top), 0, 1, 0, 0, 5, 7 } -}; - -// the struct below gives us information on the layout of a RECT struct and -// the relationship between its members -struct AFX_RECTINFO -{ - size_t nOffsetAcross; // offset of opposite point (ie. left->right) - int nSignAcross; // sign relative to that point (ie. add/subtract) -}; - -// this array is indexed by the offset of the RECT member / sizeof(int) -const AFX_RECTINFO _afxRectInfo[] = -{ - { offsetof(RECT, right), +1 }, - { offsetof(RECT, bottom), +1 }, - { offsetof(RECT, left), -1 }, - { offsetof(RECT, top), -1 }, -}; - - -HBRUSH HalftoneBrush() -{ - if (_afxHalftoneBrush == NULL) - { - WORD grayPattern[8]; - for (int i = 0; i < 8; i++) - grayPattern[i] = (WORD)(0x5555 << (i & 1)); - HBITMAP grayBitmap = CreateBitmap(8, 8, 1, 1, &grayPattern); - if (grayBitmap != NULL) - { - _afxHalftoneBrush = CreatePatternBrush(grayBitmap); - DeleteObject(grayBitmap); - } - } - return _afxHalftoneBrush; -} - - - -void DrawDragRect( - HDC hDC,LPRECT lpRect,SIZE size, - LPRECT lpRectLast,SIZE sizeLast, - HBRUSH hBrush = NULL,HBRUSH hBrushLast = NULL) -{ - // first, determine the update region and select it - HRGN rgnNew; - HRGN rgnOutside,rgnInside; - rgnOutside = CreateRectRgnIndirect(lpRect); - RECT rect = *lpRect; - InflateRect(&rect,-size.cx, -size.cy); - IntersectRect(&rect,&rect,lpRect); - rgnInside = CreateRectRgnIndirect(&rect); - rgnNew = CreateRectRgn(0, 0, 0, 0); - CombineRgn(rgnNew,rgnOutside,rgnInside,RGN_XOR); - - HBRUSH hBrushOld = NULL; - if (hBrush == NULL) - hBrush = HalftoneBrush(); - if (hBrushLast == NULL) - hBrushLast = hBrush; - - HRGN rgnLast(NULL); - HRGN rgnUpdate(NULL); - if (lpRectLast != NULL) - { - // find difference between new region and old region - rgnLast = CreateRectRgn(0, 0, 0, 0); - SetRectRgn( - rgnOutside, - lpRectLast->left, - lpRectLast->top, - lpRectLast->right, - lpRectLast->bottom); - rect = *lpRectLast; - InflateRect(&rect,-sizeLast.cx, -sizeLast.cy); - IntersectRect(&rect,&rect, lpRectLast); - SetRectRgn(rgnInside,rect.left,rect.top,rect.right,rect.bottom); - CombineRgn(rgnLast,rgnOutside,rgnInside, RGN_XOR); - -// // only diff them if brushes are the same - if (hBrush == hBrushLast) - { - rgnUpdate = CreateRectRgn(0, 0, 0, 0); - CombineRgn(rgnUpdate,rgnLast,rgnNew, RGN_XOR); - } - } - if (hBrush != hBrushLast && lpRectLast != NULL) - { - // brushes are different -- erase old region first - SelectClipRgn(hDC,rgnLast); - GetClipBox(hDC,&rect); - hBrushOld = (HBRUSH)SelectObject(hDC,(HGDIOBJ)hBrushLast); - PatBlt(hDC,rect.left,rect.top,(rect.right-rect.left),(rect.bottom-rect.top),PATINVERT); - - SelectObject(hDC,(HGDIOBJ)hBrushOld); - hBrushOld = NULL; - } - - // draw into the update/new region - SelectClipRgn(hDC,rgnUpdate); - - GetClipBox(hDC,&rect); - hBrushOld = (HBRUSH) SelectObject(hDC,(HGDIOBJ) hBrush); - PatBlt(hDC,rect.left, rect.top,(rect.right-rect.left),(rect.bottom-rect.top), PATINVERT); - - // cleanup DC - if (hBrushOld != NULL) - SelectObject(hDC,(HGDIOBJ)hBrushOld); - SelectClipRgn(hDC,NULL); -} - - -void winwrap::TransformRect(LPRECT rect,HWND pWnd,HWND pWndClipTo) -{ - POINT pt; - pt.x = rect->left;pt.y = rect->top; - ClientToScreen(pWnd,&pt); - ScreenToClient(pWndClipTo,&pt); - rect->left = pt.x; rect->top = pt.y; - - pt.x = rect->right;pt.y = rect->bottom; - ClientToScreen(pWnd,&pt); - ScreenToClient(pWndClipTo,&pt); - rect->right = pt.x; rect->bottom = pt.y; -} - - -void NormalizeRect(LPRECT rp) -{ - if(rp->left > rp->right) { - UINT tmp = rp->left; - rp->left = rp->right; - rp->right = tmp; - } - - if(rp->top > rp->bottom) { - UINT tmp = rp->top; - rp->top = rp->bottom; - rp->bottom = tmp; - } -} - - -using namespace winwrap; - - -Tracker::Tracker() -{ -} - - -Tracker::Tracker(LPCRECT lpSrcRect, UINT nStyle) -{ - Construct(); - CopyRect(&m_rect,lpSrcRect); - m_nStyle = nStyle; -} - -HBRUSH _afxHatchBrush = 0; -HPEN _afxBlackDottedPen = 0; -int _afxHandleSize = 0; - - -void Tracker::Construct() -{ - static BOOL bInitialized = false; - if (!bInitialized) - { - if (_afxHatchBrush == NULL) - { - // create the hatch pattern + bitmap - WORD hatchPattern[8]; - WORD wPattern = 0x1111; - for (int i = 0; i < 4; i++) - { - hatchPattern[i] = wPattern; - hatchPattern[i+4] = wPattern; - wPattern <<= 1; - } - HBITMAP hatchBitmap = CreateBitmap(8, 8, 1, 1,&hatchPattern); - - // create black hatched brush - _afxHatchBrush = CreatePatternBrush(hatchBitmap); - DeleteObject(hatchBitmap); - } - - if (_afxBlackDottedPen == NULL) - { - // create black dotted pen - _afxBlackDottedPen = CreatePen(PS_DOT, 0, RGB(0, 0, 0)); - } - - // get default handle size from Windows profile setting - static const TCHAR szWindows[] = TEXT("windows"); - static const TCHAR szInplaceBorderWidth[] = - TEXT("oleinplaceborderwidth"); - _afxHandleSize = GetProfileInt(szWindows, szInplaceBorderWidth, 4); - bInitialized = TRUE; - - _afxCursors[0] = _afxCursors[2] = LoadCursor(0,IDC_SIZENWSE); - _afxCursors[4] = _afxCursors[6] = LoadCursor(0,IDC_SIZENS); - _afxCursors[1] = _afxCursors[3] = LoadCursor(0,IDC_SIZENESW); - _afxCursors[5] = _afxCursors[7] = LoadCursor(0,IDC_SIZEWE); - _afxCursors[8] = LoadCursor(0,IDC_SIZEALL); - } - - m_nStyle = 0; - m_nHandleSize = _afxHandleSize; - m_sizeMin.cy = m_sizeMin.cx = m_nHandleSize*2; - - SetRectEmpty(&m_rectLast); - m_sizeLast.cx = m_sizeLast.cy = 0; - m_bErase = FALSE; - m_bFinalErase = FALSE; -} - -Tracker::~Tracker() -{ -} - - -int Tracker::HitTest(POINT point) const -{ - TrackerHit hitResult = hitNothing; - - RECT rectTrue; - GetTrueRect(&rectTrue); - NormalizeRect(&rectTrue); - if (PtInRect(&rectTrue,point)) - { - if ((m_nStyle & (resizeInside|resizeOutside)) != 0) - hitResult = (TrackerHit)HitTestHandles(point); - else - hitResult = hitMiddle; - } - return hitResult; -} - - -BOOL Tracker::SetCursor(HWND pWnd, UINT nHitTest) const -{ - // trackers should only be in client area - if (nHitTest != HTCLIENT) - return FALSE; - - // convert cursor position to client co-ordinates - POINT point; - GetCursorPos(&point); - ScreenToClient(pWnd,&point); - - // do hittest and normalize hit - int nHandle = HitTestHandles(point); - if (nHandle < 0) - return FALSE; - - // need to normalize the hittest such that we get proper cursors - nHandle = NormalizeHit(nHandle); - - // handle special case of hitting area between handles - // (logically the same -- handled as a move -- but different cursor) - if (nHandle == hitMiddle && !PtInRect(&m_rect,point)) - { - // only for trackers with hatchedBorder (ie. in-place resizing) - if (m_nStyle & hatchedBorder) - nHandle = (TrackerHit)9; - } - - ::SetCursor(_afxCursors[nHandle]); - return TRUE; -} - - - -BOOL Tracker::Track(HWND hWnd,POINT point,BOOL bAllowInvert, - HWND hWndClipTo) -{ - // perform hit testing on the handles - int nHandle = HitTestHandles(point); - if (nHandle < 0) - { - // didn't hit a handle, so just return FALSE - return FALSE; - } - - // otherwise, call helper function to do the tracking - m_bAllowInvert = bAllowInvert; - SetCursor(hWnd,nHandle); - return TrackHandle(nHandle, hWnd, point, hWndClipTo); -} - - -BOOL Tracker::TrackHandle(int nHandle,HWND hWnd,POINT point,HWND hWndClipTo) -{ - // don't handle if capture already set - if (GetCapture() != NULL) - return FALSE; - - // save original width & height in pixels - int nWidth = m_rect.right - m_rect.left; - int nHeight = m_rect.bottom - m_rect.top; - - // set capture to the window which received this message - SetCapture(hWnd); - UpdateWindow(hWnd); - if (hWndClipTo != NULL) - UpdateWindow(hWndClipTo); - RECT rectSave = m_rect; - - // find out what x/y coords we are supposed to modify - int *px, *py; - int xDiff, yDiff; - GetModifyPointers(nHandle, &px, &py, &xDiff, &yDiff); - xDiff = point.x - xDiff; - yDiff = point.y - yDiff; - - // get DC for drawing - HDC hDrawDC; - if (hWndClipTo != NULL) - { - // clip to arbitrary window by using adjusted Window DC - hDrawDC = GetDCEx(hWndClipTo,NULL, DCX_CACHE); - } - else - { - // otherwise, just use normal DC - hDrawDC = GetDC(hWnd); - } - - RECT rectOld; - BOOL bMoved = FALSE; - - // get messages until capture lost or cancelled/accepted - for (;;) - { - MSG msg; - GetMessage(&msg, NULL, 0, 0); - - if (GetCapture() != hWnd) - break; - - switch (msg.message) - { - // handle movement/accept messages - case WM_LBUTTONUP: - case WM_MOUSEMOVE: - rectOld = m_rect; - // handle resize cases (and part of move) - if (px != NULL) - *px = (int)(short)LOWORD(msg.lParam) - xDiff; - if (py != NULL) - *py = (int)(short)HIWORD(msg.lParam) - yDiff; - - // handle move case - if (nHandle == hitMiddle) - { - m_rect.right = m_rect.left + nWidth; - m_rect.bottom = m_rect.top + nHeight; - } - // allow caller to adjust the rectangle if necessary - AdjustRect(nHandle,&m_rect); - - // only redraw and callback if the rect actually changed! - m_bFinalErase = (msg.message == WM_LBUTTONUP); - if (!EqualRect(&rectOld,&m_rect) || m_bFinalErase) - { - if (bMoved) - { - m_bErase = TRUE; - DrawTrackerRect(&rectOld,hWndClipTo,hDrawDC,hWnd); - } - OnChangedRect(rectOld); - if (msg.message != WM_LBUTTONUP) - bMoved = TRUE; - } - if (m_bFinalErase) - goto ExitLoop; - - if (!EqualRect(&rectOld,&m_rect)) - { - m_bErase = FALSE; - DrawTrackerRect(&m_rect,hWndClipTo,hDrawDC,hWnd); - } - break; - - // handle cancel messages - case WM_KEYDOWN: - if (msg.wParam != VK_ESCAPE) - break; - case WM_RBUTTONDOWN: - if (bMoved) - { - m_bErase = m_bFinalErase = TRUE; - DrawTrackerRect(&m_rect, hWndClipTo, hDrawDC, hWnd); - } - m_rect = rectSave; - goto ExitLoop; - - // just dispatch rest of the messages - default: - DispatchMessage(&msg); - break; - } - } - - ExitLoop: - if (hWndClipTo != NULL) - ReleaseDC(hWndClipTo,hDrawDC); - else - ReleaseDC(hWnd,hDrawDC); - ReleaseCapture(); - - // restore rect in case bMoved is still FALSE - if (!bMoved) - m_rect = rectSave; - m_bFinalErase = FALSE; - m_bErase = FALSE; - - // return TRUE only if rect has changed - return !EqualRect(&rectSave,&m_rect); -} - - -void Tracker::OnChangedRect(const RECT& /*rectOld*/) -{ -} - - -void Tracker::AdjustRect(int nHandle, LPRECT) -{ - if(nHandle == hitMiddle) - return; - - // convert the handle into locations within m_rect - int *px, *py; - GetModifyPointers(nHandle, &px, &py, NULL, NULL); - - // enforce minimum width - int nNewWidth = m_rect.right - m_rect.left; - int nAbsWidth = m_bAllowInvert ? abs(nNewWidth) : nNewWidth; - if (px != NULL && nAbsWidth < m_sizeMin.cx) - { - nNewWidth = nAbsWidth != 0 ? nNewWidth / nAbsWidth : 1; - const AFX_RECTINFO* pRectInfo = - &_afxRectInfo[(int*)px - (int*)&m_rect]; - *px = *(int*)((BYTE*)&m_rect + pRectInfo->nOffsetAcross) + - nNewWidth * m_sizeMin.cx * -pRectInfo->nSignAcross; - } - - // enforce minimum height - int nNewHeight = m_rect.bottom - m_rect.top; - int nAbsHeight = m_bAllowInvert ? abs(nNewHeight) : nNewHeight; - if (py != NULL && nAbsHeight < m_sizeMin.cy) - { - nNewHeight = nAbsHeight != 0 ? nNewHeight / nAbsHeight : 1; - const AFX_RECTINFO* pRectInfo = - &_afxRectInfo[(int*)py - (int*)&m_rect]; - *py = *(int*)((BYTE*)&m_rect + pRectInfo->nOffsetAcross) + - nNewHeight * m_sizeMin.cy * -pRectInfo->nSignAcross; - } -} - - -void Tracker::DrawTrackerRect( - LPRECT lpRect,HWND pWndClipTo,HDC pDC,HWND pWnd) -{ - // first, normalize the rectangle for drawing - RECT rect = *lpRect; - NormalizeRect(&rect); - - // convert to client coordinates - if (pWndClipTo != NULL) - TransformRect(&rect,pWnd,pWndClipTo); - - SIZE size; - size.cx = 0; size.cy = 0; - if (!m_bFinalErase) - { - // otherwise, size depends on the style - if (m_nStyle & hatchedBorder) - { - size.cx = size.cy = max(1,GetHandleSize(&rect)-1); - InflateRect(&rect,size.cx,size.cy); - } - else - { - size.cx = 1; // CX_BORDER; - size.cy = 1; // CY_BORDER; - } - } - - // and draw it - if (m_bFinalErase || !m_bErase) - DrawDragRect(pDC,&rect,size,&m_rectLast,m_sizeLast); - - // remember last rectangles - m_rectLast = rect; - m_sizeLast = size; -} - - -void Tracker::Draw(HDC hDC) const -{ - // set initial DC state - SetMapMode(hDC,MM_TEXT); - SetViewportOrgEx(hDC,0, 0,NULL); - SetWindowOrgEx(hDC,0, 0,NULL); - - // get normalized rectangle - RECT rect = m_rect; - NormalizeRect(&rect); - - HPEN pOldPen = NULL; - HBRUSH pOldBrush = NULL; - HGDIOBJ pTemp; - int nOldROP; - - // draw lines - if ((m_nStyle & (dottedLine|solidLine)) != 0) - { - if (m_nStyle & dottedLine) - pOldPen = (HPEN)SelectObject(hDC,_afxBlackDottedPen); - else - pOldPen = (HPEN)SelectObject(hDC,(HGDIOBJ)BLACK_PEN); - pOldBrush = (HBRUSH)SelectObject(hDC,(HGDIOBJ)NULL_BRUSH); - nOldROP = SetROP2(hDC,R2_COPYPEN); - InflateRect(&rect,+1, +1); // borders are one pixel outside - Rectangle(hDC,rect.left, rect.top, rect.right, rect.bottom); - SetROP2(hDC,nOldROP); - } - - // if hatchBrush is going to be used, need to unrealize it - if ((m_nStyle & (hatchInside|hatchedBorder)) != 0) - UnrealizeObject((HGDIOBJ)_afxHatchBrush); - - // hatch inside - if ((m_nStyle & hatchInside) != 0) - { - pTemp = SelectObject(hDC,(HGDIOBJ)NULL_PEN); - if (pOldPen == NULL) - pOldPen = (HPEN)pTemp; - pTemp = SelectObject(hDC,(HGDIOBJ)_afxHatchBrush); - if (pOldBrush == NULL) - pOldBrush = (HBRUSH)pTemp; - SetBkMode(hDC,TRANSPARENT); - nOldROP = SetROP2(hDC,R2_MASKNOTPEN); - Rectangle(hDC,rect.left+1, rect.top+1, rect.right, rect.bottom); - SetROP2(hDC,nOldROP); - } - - // draw hatched border - if ((m_nStyle & hatchedBorder) != 0) - { - pTemp = SelectObject(hDC,(HGDIOBJ)_afxHatchBrush); - if (pOldBrush == NULL) - pOldBrush = (HBRUSH)pTemp; - SetBkMode(hDC,OPAQUE); - RECT rectTrue; - GetTrueRect(&rectTrue); - PatBlt(hDC,rectTrue.left, rectTrue.top, rectTrue.right-rectTrue.left, - rect.top-rectTrue.top, 0x000F0001 /* Pn */); - PatBlt(hDC,rectTrue.left, rect.bottom, - rectTrue.right-rectTrue.left, - rectTrue.bottom-rect.bottom, 0x000F0001 /* Pn */); - PatBlt(hDC,rectTrue.left, rect.top, rect.left-rectTrue.left, - rect.bottom-rect.top, 0x000F0001 /* Pn */); - PatBlt(hDC,rect.right, rect.top, rectTrue.right-rect.right, - rect.bottom-rect.top, 0x000F0001 /* Pn */); - } - - // draw resize handles - if ((m_nStyle & (resizeInside|resizeOutside)) != 0) - { - UINT mask = GetHandleMask(); - HBRUSH hbrush = CreateSolidBrush(RGB(0,0,0)); - for (int i = 0; i < 8; ++i) - { - if (mask & (1<<i)) - { - GetHandleRect((TrackerHit)i, &rect); - // FillSolidRect(hDC,rect, RGB(0, 0, 0)); - FillRect(hDC,&rect,hbrush); - } - } - DeleteObject(hbrush); - } - - // cleanup pDC state - if (pOldPen != NULL) - SelectObject(hDC,pOldPen); - if (pOldBrush != NULL) - SelectObject(hDC,pOldBrush); - RestoreDC(hDC,-1); -} - - -void Tracker::GetHandleRect(int nHandle,RECT* pHandleRect) const -{ - // get normalized rectangle of the tracker - RECT rectT = m_rect; - NormalizeRect(&rectT); - if ((m_nStyle & (solidLine|dottedLine)) != 0) - InflateRect(&rectT,+1, +1); - - // since the rectangle itself was normalized, we also have to invert the - // resize handles. - nHandle = NormalizeHit(nHandle); - - // handle case of resize handles outside the tracker - int size = GetHandleSize(); - if (m_nStyle & resizeOutside) - InflateRect(&rectT,size-1, size-1); - - // calculate position of the resize handle - int nWidth = rectT.right - rectT.left; - int nHeight = rectT.bottom - rectT.top; - RECT rect; - const AFX_HANDLEINFO* pHandleInfo = &_afxHandleInfo[nHandle]; - rect.left = *(int*)((BYTE*)&rectT + pHandleInfo->nOffsetX); - rect.top = *(int*)((BYTE*)&rectT + pHandleInfo->nOffsetY); - rect.left += size * pHandleInfo->nHandleX; - rect.top += size * pHandleInfo->nHandleY; - rect.left += pHandleInfo->nCenterX * (nWidth - size) / 2; - rect.top += pHandleInfo->nCenterY * (nHeight - size) / 2; - rect.right = rect.left + size; - rect.bottom = rect.top + size; - - *pHandleRect = rect; -} - - -int Tracker::GetHandleSize(LPRECT lpRect) const -{ - if (lpRect == NULL) - lpRect = (LPRECT)&m_rect; - - int size = m_nHandleSize; - if (!(m_nStyle & resizeOutside)) - { - // make sure size is small enough for the size of the rect - int sizeMax = min(abs(lpRect->right - lpRect->left), - abs(lpRect->bottom - lpRect->top)); - if (size * 2 > sizeMax) - size = sizeMax / 2; - } - return size; -} - - -UINT Tracker::GetHandleMask() const -{ - UINT mask = 0x0F; // always have 4 corner handles - int size = m_nHandleSize*3; - if (abs(m_rect.right - m_rect.left) - size > 4) - mask |= 0x50; - if (abs(m_rect.bottom - m_rect.top) - size > 4) - mask |= 0xA0; - return mask; -} - - -void Tracker::GetTrueRect(LPRECT lpTrueRect) const -{ - RECT rect = m_rect; - NormalizeRect(&rect); - int nInflateBy = 0; - if ((m_nStyle & (resizeOutside|hatchedBorder)) != 0) - nInflateBy += GetHandleSize() - 1; - if ((m_nStyle & (solidLine|dottedLine)) != 0) - ++nInflateBy; - InflateRect(&rect,nInflateBy, nInflateBy); - *lpTrueRect = rect; -} - - -int Tracker::NormalizeHit(int nHandle) const -{ - if (nHandle == hitMiddle || nHandle == hitNothing) - return nHandle; - const AFX_HANDLEINFO* pHandleInfo = &_afxHandleInfo[nHandle]; - if (m_rect.right - m_rect.left < 0) - { - nHandle = (TrackerHit)pHandleInfo->nInvertX; - pHandleInfo = &_afxHandleInfo[nHandle]; - } - if (m_rect.bottom - m_rect.top < 0) - nHandle = (TrackerHit)pHandleInfo->nInvertY; - return nHandle; -} - - -int Tracker::HitTestHandles(POINT point) const -{ - RECT rect; - UINT mask = GetHandleMask(); - - // see if hit anywhere inside the tracker - GetTrueRect(&rect); - if (!PtInRect(&rect,point)) - return hitNothing; // totally missed - - // see if we hit a handle - for (int i = 0; i < 8; ++i) - { - if (mask & (1<<i)) - { - GetHandleRect((TrackerHit)i, &rect); - if (PtInRect(&rect,point)) - return (TrackerHit)i; - } - } - - // last of all, check for non-hit outside of object, between resize handles - if ((m_nStyle & hatchedBorder) == 0) - { - RECT rect = m_rect; - NormalizeRect(&rect); - if ((m_nStyle & dottedLine|solidLine) != 0) - InflateRect(&rect,+1, +1); - if (!PtInRect(&rect,point)) - return hitNothing; // must have been between resize handles - } - return hitMiddle; // no handle hit, but hit object (or object border) -} - - - -void Tracker::GetModifyPointers( - int nHandle, int** ppx, int** ppy, int* px, int* py) -{ - if (nHandle == hitMiddle) - nHandle = hitTopLeft; // same as hitting top-left - - *ppx = NULL; - *ppy = NULL; - - // fill in the part of the rect that this handle modifies - // (Note: handles that map to themselves along a given axis when that - // axis is inverted don't modify the value on that axis) - - const AFX_HANDLEINFO* pHandleInfo = &_afxHandleInfo[nHandle]; - if (pHandleInfo->nInvertX != nHandle) - { - *ppx = (int*)((BYTE*)&m_rect + pHandleInfo->nOffsetX); - if (px != NULL) - *px = **ppx; - } - else - { - // middle handle on X axis - if (px != NULL) - *px = m_rect.left + (m_rect.left-m_rect.right) / 2; - } - if (pHandleInfo->nInvertY != nHandle) - { - *ppy = (int*)((BYTE*)&m_rect + pHandleInfo->nOffsetY); - if (py != NULL) - *py = **ppy; - } - else - { - // middle handle on Y axis - if (py != NULL) - *py = m_rect.top + (m_rect.top-m_rect.bottom) / 2; - } -} - -// Fix strange warnings about some -// ATL::CAxHostWindow::QueryInterface|AddRef|Releae functions. -// warning C4505: 'xxx' : unreferenced local function has been removed -#if defined(_MSC_VER) -#pragma warning(disable: 4505) -#endif - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |