GfxPopupMenu.cpp
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上传用户:guangzhiyw
上传日期:2007-01-09
资源大小:495k
文件大小:14k
源码类别:
ICQ/即时通讯
开发平台:
Visual C++
- // GfxPopupMenu.cpp: implementation of the CGfxPopupMenu class.
- //
- //////////////////////////////////////////////////////////////////////
- #include "stdafx.h"
- #include "GfxPopupMenu.h"
- #ifdef _DEBUG
- #undef THIS_FILE
- static char THIS_FILE[]=__FILE__;
- #define new DEBUG_NEW
- #endif
- //////////////////////////////////////////////////////////////////////
- // Construction/Destruction
- //////////////////////////////////////////////////////////////////////
- CGfxPopupMenu::CGfxPopupMenu()
- {
- crMenuText = GetSysColor(COLOR_MENUTEXT);
- crMenuTextSel = GetSysColor(COLOR_HIGHLIGHTTEXT);
- cr3dFace = GetSysColor(COLOR_3DFACE);
- crMenu = GetSysColor(COLOR_MENU);
- crHighlight = GetSysColor(COLOR_HIGHLIGHT);
- cr3dHilight = GetSysColor(COLOR_3DHILIGHT);
- cr3dShadow = GetSysColor(COLOR_3DSHADOW);
- crGrayText = GetSysColor(COLOR_GRAYTEXT);
- m_clrBtnFace = GetSysColor(COLOR_BTNFACE);
- m_clrBtnHilight = GetSysColor(COLOR_BTNHILIGHT);
- m_clrBtnShadow = GetSysColor(COLOR_BTNSHADOW);
- iSpawnItem = 0;
- pSpawnItem = NULL;
- iImageItem = 0;
- pImageItem = NULL;
- szImage = CSize(20,20);
- hMenuFont = NULL;
- NONCLIENTMETRICS ncm;
- memset(&ncm, 0, sizeof(ncm));
- ncm.cbSize = sizeof(ncm);
- ::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, 0, (PVOID) &ncm, 0);
- hGuiFont = ::CreateFontIndirect(&ncm.lfMenuFont);
- hMenuBoldFont = NULL;
- CreateBoldFont();
- }
- CGfxPopupMenu::~CGfxPopupMenu()
- {
- if (iSpawnItem > 0)
- {
- for (int t = 0; t < iSpawnItem; t++)
- if (pSpawnItem[t]) delete pSpawnItem[t];
- GlobalFree((HGLOBAL) pSpawnItem);
- }
- if (iImageItem > 0)
- {
- GlobalFree((HGLOBAL) pImageItem);
- }
- if (hMenuFont) ::DeleteObject((HGDIOBJ)hMenuFont);
- if (hMenuBoldFont) ::DeleteObject((HGDIOBJ)hMenuBoldFont);
- }
- void CGfxPopupMenu::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
- {
- if (lpDrawItemStruct->CtlType == ODT_MENU)
- {
- UINT id = lpDrawItemStruct->itemID;
- UINT state = lpDrawItemStruct->itemState;
- bool bEnab = !(state & ODS_DISABLED);
- bool bSelect = (state & ODS_SELECTED) ? true : false;
- bool bChecked = (state & ODS_CHECKED) ? true : false;
- bool bBold = (state & ODS_DEFAULT) ? true : false;
- SpawnItem * pItem = (SpawnItem *) lpDrawItemStruct->itemData;
- if (pItem)
- {
- CDC * pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
- CFont * pft;
- if (!bBold) pft = CFont::FromHandle((HFONT) hMenuFont ? hMenuFont : hGuiFont);
- else pft = CFont::FromHandle((HFONT) hMenuBoldFont ? hMenuBoldFont : hGuiFont);
- CFont * of = pDC->SelectObject(pft);
- CRect rc(lpDrawItemStruct->rcItem);
- CRect rcImage(rc), rcText(rc);
- rcImage.right = rcImage.left + rc.Height();
- rcImage.bottom = rc.bottom;
- if (pItem->iCmd == -3) // is a separator
- {
- CPen pnDk(PS_SOLID,1,cr3dShadow);
- CPen pnLt(PS_SOLID,1,cr3dHilight);
- CPen * opn = pDC->SelectObject(&pnDk);
- pDC->MoveTo(rc.left + 2, rc.top + 2);
- pDC->LineTo(rc.right - 2, rc.top + 2);
- pDC->SelectObject(&pnLt);
- pDC->MoveTo(rc.left + 2, rc.top + 3);
- pDC->LineTo(rc.right - 2, rc.top + 3);
- pDC->SelectObject(opn);
- }
- else if (pItem->iCmd == -4) // is a title item
- {
- CString cs(pItem->cText), cs1;
- CRect rcBdr(rcText);
- if (bSelect && bEnab)
- {
- rcText.top ++;
- rcText.left += 2;
- }
- pDC->FillSolidRect(rcText, crMenu);
- pDC->DrawText(cs, rcText, DT_VCENTER|DT_CENTER|DT_SINGLELINE);
- if (bSelect && bEnab) pDC->Draw3dRect(rcBdr,cr3dShadow,cr3dHilight);
- }
- else
- {
- rcText.left += rcImage.right + 1;
- int obk = pDC->SetBkMode(TRANSPARENT);
- COLORREF ocr;
- if (bSelect)
- {
- if (pItem->iImageIdx >= 0 || (state & ODS_CHECKED))
- pDC->FillSolidRect(rcText, crHighlight);
- else
- pDC->FillSolidRect(rc, crHighlight);
- ocr = pDC->SetTextColor(crMenuTextSel);
- }
- else
- {
- if (pItem->iImageIdx >= 0 || (state & ODS_CHECKED))
- pDC->FillSolidRect(rcText, crMenu);
- else
- pDC->FillSolidRect(rc/*rcText*/, crMenu);
- ocr = pDC->SetTextColor(crMenuText);
- }
- if (pItem->iImageIdx >= 0)
- {
- int ay = (rcImage.Height() - szImage.cy) / 2;
- int ax = (rcImage.Width() - szImage.cx) / 2;
- if (bSelect && bEnab)
- pDC->Draw3dRect(rcImage,cr3dHilight,cr3dShadow);
- else
- {
- pDC->Draw3dRect(rcImage,crMenu,crMenu);
- }
- if (bEnab)
- {
- ilList.Draw(pDC, pItem->iImageIdx, CPoint(rcImage.left + ax, rcImage.top +ay), ILD_NORMAL);
- }
- else
- {
- HICON hIcon = ilList.ExtractIcon( pItem->iImageIdx );
- pDC->DrawState( CPoint(rcImage.left + ax, rcImage.top + ay ), szImage, (HICON)hIcon, DST_ICON | DSS_DISABLED, (CBrush *)NULL );
- }
- }
- else
- {
- if (bChecked)
- {
- int ay = (rcImage.Height() - szImage.cy) / 2;
- int ax = (rcImage.Width() - szImage.cx) / 2;
- ilOther.Draw(pDC, 0, CPoint(rcImage.left + ax, rcImage.top + ay - 2), ILD_NORMAL);
- }
- }
- CString cs(pItem->cText), cs1;
- CSize sz;
- sz = pDC->GetTextExtent(cs);
- int ay1 = (rcText.Height() - sz.cy) / 2;
- rcText.top += ay1;
- rcText.left += 2;
- rcText.right -= 15;
- int tf = cs.Find('t');
- if (tf >= 0)
- {
- cs1 = cs.Right(cs.GetLength() - tf - 1);
- cs = cs.Left(tf);
- if (!bEnab)
- {
- if (!bSelect)
- {
- CRect rcText1(rcText);
- rcText1.InflateRect(-1,-1);
- pDC->SetTextColor(cr3dHilight);
- pDC->DrawText(cs, rcText1, DT_VCENTER|DT_LEFT);
- pDC->DrawText(cs1, rcText1, DT_VCENTER|DT_RIGHT);
- pDC->SetTextColor(crGrayText);
- pDC->DrawText(cs, rcText, DT_VCENTER|DT_LEFT);
- pDC->DrawText(cs1, rcText, DT_VCENTER|DT_RIGHT);
- }
- else
- {
- pDC->SetTextColor(crMenu);
- pDC->DrawText(cs, rcText, DT_VCENTER|DT_LEFT);
- pDC->DrawText(cs1, rcText, DT_VCENTER|DT_RIGHT);
- }
- }
- else
- {
- pDC->DrawText(cs, rcText, DT_VCENTER|DT_LEFT);
- pDC->DrawText(cs1, rcText, DT_VCENTER|DT_RIGHT);
- }
- }
- else
- {
- if (!bEnab)
- {
- if (!bSelect)
- {
- CRect rcText1(rcText);
- rcText1.InflateRect(-1,-1);
- pDC->SetTextColor(cr3dHilight);
- pDC->DrawText(cs, rcText1, DT_VCENTER|DT_LEFT|DT_EXPANDTABS);
- pDC->SetTextColor(crGrayText);
- pDC->DrawText(cs, rcText, DT_VCENTER|DT_LEFT|DT_EXPANDTABS);
- }
- else
- {
- pDC->SetTextColor(crMenu);
- pDC->DrawText(cs, rcText, DT_VCENTER|DT_LEFT|DT_EXPANDTABS);
- }
- }
- else
- pDC->DrawText(cs, rcText, DT_VCENTER|DT_LEFT|DT_EXPANDTABS);
- }
- pDC->SetTextColor(ocr);
- pDC->SetBkMode(obk);
- }
- pDC->SelectObject(of);
- }
- }
- }
- void CGfxPopupMenu::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
- {
- bool res = false;
- if (lpMeasureItemStruct->CtlType == ODT_MENU)
- {
- UINT id = lpMeasureItemStruct->itemID;
- SpawnItem * pItem = (SpawnItem *) lpMeasureItemStruct->itemData;
- if (pItem)
- {
- if (pItem->iCmd == -3) // is a separator
- {
- lpMeasureItemStruct->itemWidth = 10;
- lpMeasureItemStruct->itemHeight = 6;
- }
- else
- {
- CString cs(pItem->cText);
- if (!cs.IsEmpty())
- {
- CClientDC dc(AfxGetMainWnd());
- CFont * pft = CFont::FromHandle(hMenuFont ? hMenuFont : hGuiFont);
- CFont * of = dc.SelectObject(pft);
- CSize osz = dc.GetOutputTabbedTextExtent(cs,0,NULL);
- if (pItem->iCmd == -4)
- {
- CRect rci(0,0,0,0);
- dc.DrawText(cs, rci, DT_CALCRECT|DT_TOP|DT_VCENTER|DT_SINGLELINE);
- lpMeasureItemStruct->itemHeight = rci.Height();
- lpMeasureItemStruct->itemWidth = rci.Width();
- }
- else
- {
- lpMeasureItemStruct->itemHeight = szImage.cy + 5;
- if (osz.cy > (int) lpMeasureItemStruct->itemHeight) lpMeasureItemStruct->itemHeight = (int) osz.cy;
- lpMeasureItemStruct->itemWidth = osz.cx + 2 + 15;
- lpMeasureItemStruct->itemWidth += lpMeasureItemStruct->itemHeight > (UINT) szImage.cx ? (UINT) lpMeasureItemStruct->itemHeight : (UINT) szImage.cx;
- }
- dc.SelectObject(of);
- }
- else
- {
- lpMeasureItemStruct->itemHeight = szImage.cy + 5;
- lpMeasureItemStruct->itemWidth = 100;
- }
- }
- }
- }
- }
- bool CGfxPopupMenu::CreateBoldFont()
- {
- if (hMenuBoldFont)
- ::DeleteObject((HGDIOBJ)hMenuBoldFont);
- LOGFONT lgFont;
- ::GetObject (hMenuFont ? hMenuFont : hGuiFont, sizeof (lgFont), &lgFont);
- lgFont.lfWeight = FW_BOLD;
- hMenuBoldFont = CreateFontIndirect (&lgFont);
- return !!hMenuBoldFont;
- }
- bool CGfxPopupMenu::AddToolBarResource(unsigned int resId)
- {
- // David 08/04/98 - start - put CMenuSpawn in DLL
- HINSTANCE hInst = AfxFindResourceHandle (MAKEINTRESOURCE(resId), RT_TOOLBAR);
- if (!hInst)
- return false;
- // David 08/04/98 - end - put CMenuSpawn in DLL
- HRSRC hRsrc = ::FindResource(/*AfxGetResourceHandle()*/hInst, MAKEINTRESOURCE(resId), RT_TOOLBAR);
- if (hRsrc == NULL) return false;
- HGLOBAL hGlb = ::LoadResource(/*AfxGetResourceHandle()*/hInst, hRsrc);
- if (hGlb == NULL) return false;
- ToolBarData* pTBData = (ToolBarData*) ::LockResource(hGlb);
- if (pTBData == NULL) return false;
- ASSERT(pTBData->wVersion == 1);
- CBitmap bmp;
- bmp.LoadBitmap(resId);
- int nBmpItems = ilList.Add(&bmp, RGB(192,192,192));
- bmp.DeleteObject();
- WORD* pItem = (WORD*)(pTBData+1);
- for(int i=0; i<pTBData->wItemCount; i++, pItem++)
- {
- if(*pItem != ID_SEPARATOR)
- AddImageItem(nBmpItems++, (WORD) *pItem);
- }
- // ** it seem that Windows doesn't free these resource (from Heitor Tome)
- ::UnlockResource(hGlb);
- ::FreeResource(hGlb);
- // **
- return true;
- }
- bool CGfxPopupMenu::LoadToolBarResource(unsigned int resId)
- {
- //David 08/04/98 - start - put CMenuSpawn in DLL
- HINSTANCE hInst = AfxFindResourceHandle (MAKEINTRESOURCE(resId), RT_TOOLBAR);
- if (!hInst)
- return false;
- //David 08/04/98 - end - put CMenuSpawn in DLL
- HRSRC hRsrc = ::FindResource(/*AfxGetResourceHandle()*/hInst, MAKEINTRESOURCE(resId), RT_TOOLBAR);
- if (hRsrc == NULL) return false;
- HGLOBAL hGlb = ::LoadResource(/*AfxGetResourceHandle()*/hInst, hRsrc);
- if (hGlb == NULL) return false;
- ToolBarData* pTBData = (ToolBarData*) ::LockResource(hGlb);
- if (pTBData == NULL) return false;
- ASSERT(pTBData->wVersion == 1);
- szImage.cx = (int) pTBData->wWidth;
- szImage.cy = (int) pTBData->wHeight;
- if (ilList.Create(szImage.cx, szImage.cy, ILC_COLOR4|ILC_MASK, pTBData->wItemCount, 0) == false)
- return false;
- ilList.SetBkColor(cr3dFace);
- CBitmap bmp;
- bmp.LoadBitmap(resId);
- ilList.Add(&bmp, RGB(192,192,192));
- bmp.DeleteObject();
- WORD* pItem = (WORD*)(pTBData+1);
- int nBmpItems = 0;
- for(int i=0; i<pTBData->wItemCount; i++, pItem++)
- {
- if(*pItem != ID_SEPARATOR)
- AddImageItem(nBmpItems++, (WORD) *pItem);
- }
- // ** it seem that Windows doesn't free these resource (from Heitor Tome)
- ::UnlockResource(hGlb);
- ::FreeResource(hGlb);
- // **
- return true;
- }
- void CGfxPopupMenu::AddImageItem(const int idx, WORD cmd)
- {
- if (iImageItem == 0)
- pImageItem = (ImageItem *) GlobalAlloc(GPTR, sizeof(ImageItem));
- else
- pImageItem = (ImageItem *) GlobalReAlloc((HGLOBAL) pImageItem, sizeof(ImageItem) * (iImageItem + 1), GMEM_MOVEABLE|GMEM_ZEROINIT);
- ASSERT(pImageItem);
- pImageItem[iImageItem].iCmd = (int) cmd;
- pImageItem[iImageItem].iImageIdx = idx;
- iImageItem ++;
- }
- void CGfxPopupMenu::RemapMenu(CMenu * pMenu)
- {
- static int iRecurse = 0;
- iRecurse ++;
- ASSERT(pMenu);
- int nItem = pMenu->GetMenuItemCount();
- while ((--nItem)>=0)
- {
- UINT itemId = pMenu->GetMenuItemID(nItem);
- if (itemId == (UINT) -1)
- {
- CMenu *pops = pMenu->GetSubMenu(nItem);
- if (pops) RemapMenu(pops);
- if (iRecurse > 0)
- {
- CString cs;
- pMenu->GetMenuString(nItem, cs, MF_BYPOSITION);
- if (cs != "")
- {
- SpawnItem * sp = AddSpawnItem(cs, (iRecurse == 1) ? -4 : -2);
- pMenu->ModifyMenu(nItem,MF_BYPOSITION|MF_OWNERDRAW, (UINT) -1, (LPCTSTR)sp);
- }
- }
- }
- else
- {
- if (itemId != 0)
- {
- UINT oldState = pMenu->GetMenuState(nItem,MF_BYPOSITION);
- if (!(oldState&MF_OWNERDRAW) && !(oldState&MF_BITMAP))
- {
- ASSERT(oldState != (UINT)-1);
- CString cs;
- pMenu->GetMenuString(nItem, cs, MF_BYPOSITION);
- SpawnItem * sp = AddSpawnItem(cs, itemId);
- pMenu->ModifyMenu(nItem,MF_BYPOSITION|MF_OWNERDRAW|oldState, (LPARAM)itemId, (LPCTSTR)sp);
- }
- }
- else
- {
- UINT oldState = pMenu->GetMenuState(nItem,MF_BYPOSITION);
- if (!(oldState&MF_OWNERDRAW) && !(oldState&MF_BITMAP))
- {
- ASSERT(oldState != (UINT)-1);
- SpawnItem * sp = AddSpawnItem("--", -3);
- pMenu->ModifyMenu(nItem,MF_BYPOSITION|MF_OWNERDRAW|oldState, (LPARAM)itemId, (LPCTSTR)sp);
- }
- }
- }
- }
- iRecurse --;
- }
- CGfxPopupMenu::SpawnItem * CGfxPopupMenu::AddSpawnItem(const char * txt, const int cmd)
- {
- if (iSpawnItem == 0)
- pSpawnItem = (SpawnItem **) GlobalAlloc(GPTR, sizeof(SpawnItem));
- else
- pSpawnItem = (SpawnItem **) GlobalReAlloc((HGLOBAL) pSpawnItem, sizeof(SpawnItem) * (iSpawnItem + 1), GMEM_MOVEABLE|GMEM_ZEROINIT);
- ASSERT(pSpawnItem);
- SpawnItem * p = new SpawnItem;
- ASSERT(p);
- pSpawnItem[iSpawnItem] = p;
- lstrcpy(p->cText, txt);
- p->iCmd = cmd;
- if (cmd >= 0) p->iImageIdx = FindImageItem(cmd);
- else p->iImageIdx = cmd;
- iSpawnItem ++;
- return p;
- }
- int CGfxPopupMenu::FindImageItem(const int cmd)
- {
- for (int t = 0; t < iImageItem; t++)
- if (pImageItem[t].iCmd == cmd) return pImageItem[t].iImageIdx;
- return -1;
- }
- void CGfxPopupMenu::EnableMenuItems(CMenu * pMenu, CWnd * pParent)
- {
- ASSERT(pMenu);
- ASSERT(pParent);
- int nItem = pMenu->GetMenuItemCount();
- CCmdUI state;
- state.m_pMenu = pMenu;
- state.m_nIndex = nItem-1;
- state.m_nIndexMax = nItem;
- while ((--nItem)>=0)
- {
- UINT itemId = pMenu->GetMenuItemID(nItem);
- if (itemId == (UINT) -1)
- {
- CMenu *pops = pMenu->GetSubMenu(nItem);
- if (pops) EnableMenuItems(pops, pParent);
- }
- else
- {
- if (itemId != 0)
- {
- state.m_nID = itemId;
- pParent->OnCmdMsg(itemId, CN_UPDATE_COMMAND_UI, &state, NULL);
- state.DoUpdate(pParent, true);
- }
- }
- state.m_nIndex = nItem-1;
- }
- }