商业编程-源码-对话框源代码 resizing_dlg_doc.zip

// cdxCSizingDialog.cpp : implementation file // (c)1998 Hans B�hler, codex design // Designed to be used with MS VC++ 5.0 #define OEMRESOURCE #include <windows.h> #include "stdafx.h" #include "cdxCSizingDialog.h" #ifndef OBM_SIZE #define OBM_SIZE 32766 // taken from WinresRc.h // if not used for any reason #endif #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // Some static variables ///////////////////////////////////////////////////////////////////////////// static LPCTSTR pfEntry_Left = _T("Left"), pfEntry_Right = _T("Right"), pfEntry_Top = _T("Top"), pfEntry_Bottom = _T("Bottom"), pfEntry_State = _T("State"), pfEntry_IsDone = _T("(check)"); #define BAD_ID ((UINT)~0) static struct cdxCSizingPropSheet::StandardControls psheetCtrls[] = { { ID_WIZNEXT, cdxCSizingDialog::mdRepos,cdxCSizingDialog::mdRepos }, { ID_WIZFINISH, cdxCSizingDialog::mdRepos,cdxCSizingDialog::mdRepos }, { ID_WIZBACK, cdxCSizingDialog::mdRepos,cdxCSizingDialog::mdRepos }, { IDOK, cdxCSizingDialog::mdRepos,cdxCSizingDialog::mdRepos }, { IDCANCEL, cdxCSizingDialog::mdRepos,cdxCSizingDialog::mdRepos }, { ID_WIZNEXT, cdxCSizingDialog::mdRepos,cdxCSizingDialog::mdRepos }, { ID_APPLY_NOW, cdxCSizingDialog::mdRepos,cdxCSizingDialog::mdRepos }, { IDHELP, cdxCSizingDialog::mdRepos,cdxCSizingDialog::mdRepos }, { AFX_IDC_TAB_CONTROL, cdxCSizingDialog::mdResize,cdxCSizingDialog::mdResize }, { ID_WIZFINISH+1,cdxCSizingDialog::mdResize,cdxCSizingDialog::mdRepos}, /* the bevel line; hope that it will keep this id */ { BAD_ID } }; ///////////////////////////////////////////////////////////////////////////// // cdxCSizingDialog::ControlInfo::Header ///////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////// // Functions for my windowos ///////////////////////////////////////////////////////////////////////////// /* * OnInitDialog() * Gets initial sizes of the window and makes sizing icon */ BOOL cdxCSizingDialog::ControlInfo::Header::OnInitDialog(UINT addSzByPcnt) { ASSERT(IsValid() && (m_iClientWid == -1)); CRect r; WINDOWPLACEMENT wpl; m_pWnd->GetClientRect(&r); m_iClientWid = r.right - r.left; m_iClientHi = r.bottom - r.top; m_pWnd->GetWindowPlacement(&wpl); m_iMinWid = wpl.rcNormalPosition.right - wpl.rcNormalPosition.left; m_iMinHi = wpl.rcNormalPosition.bottom - wpl.rcNormalPosition.top; // set up sizing icon if(m_bSizeIcon) { if(!m_bmSizeIcon.LoadOEMBitmap(OBM_SIZE)) { TRACE0(_T("*** ERROR[cdxCSizingDialog::ControlInfo::Header::OnInitDialog()]: LoadOEMBitmap() failed.\n")); m_bSizeIcon = false; } else { CRect szr(r.Width()-24,r.Height()-24,r.Width(),r.Height()); if(!m_wndSizeIcon.Create(NULL,WS_CHILD|SS_BITMAP,szr,m_pWnd) || !m_wndSizeIcon.ModifyStyleEx(0,WS_EX_TRANSPARENT) ) { TRACE0(_T("*** ERROR[cdxCSizingDialog::ControlInfo::Header::OnInitDialog()]: Can't create static icon control\n")); m_bSizeIcon = false; } else { m_wndSizeIcon.SetBitmap(m_bmSizeIcon); // now the icon has been resized to the real size of the icon if(!m_wndSizeIcon.GetWindowPlacement(&wpl)) { TRACE0(_T("*** ERROR[cdxCSizingDialog::ControlInfo::Header::OnInitDialog()]: Can't get windowplacement for sizeicon.\n")); m_bSizeIcon = false; } else { wpl.flags = 0; wpl.rcNormalPosition.left = r.Width() - (wpl.rcNormalPosition.right - wpl.rcNormalPosition.left); wpl.rcNormalPosition.right = r.Width(); wpl.rcNormalPosition.top = r.Height() - (wpl.rcNormalPosition.bottom - wpl.rcNormalPosition.top); wpl.rcNormalPosition.bottom= r.Height(); if(!m_wndSizeIcon.SetWindowPlacement(&wpl)) { TRACE0(_T("*** ERROR[cdxCSizingDialog::ControlInfo::Header::OnInitDialog()]: Can't set windowplacement for sizeicon.\n")); m_bSizeIcon = false; } else { AddSzControl(m_wndSizeIcon,mdRepos,mdRepos); m_wndSizeIcon.ShowWindow(SW_SHOW); // finally - show it } } } } } if(addSzByPcnt) StretchWindow(addSzByPcnt); return TRUE; } ///////////////////////////////////////////////////////////////////////////// /* * OnSize() handler * Call before base classes' handler */ void cdxCSizingDialog::ControlInfo::Header::OnSize(UINT nType, int cx, int cy) { if((nType != SIZE_MINIMIZED) && (m_iClientWid != -1)) { ASSERT((m_pWnd != NULL) && ::IsWindow(m_pWnd->m_hWnd)); ChangeSize(cx,cy); } } /* * tell system what minimum size we have * call past original function */ void cdxCSizingDialog::ControlInfo::Header::OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI) { ASSERT(m_pWnd != NULL); if(::IsWindow(m_pWnd->m_hWnd) && (m_iClientWid != -1)) { lpMMI->ptMinTrackSize.x = m_iMinWid; lpMMI->ptMinTrackSize.y = m_iMinHi; if(!(m_Freedom & fdVert)) lpMMI->ptMaxTrackSize.y = m_iMinHi; if(!(m_Freedom & fdHoriz)) lpMMI->ptMaxTrackSize.x = m_iMinWid; } } ///////////////////////////////////////////////////////////////////////////// /* * this _really_ sizes/positions the controls * call RedrawWindow() afterwards ! */ bool cdxCSizingDialog::ControlInfo::Header::ChangeSize(int newWid, int newHi) { if(!IsValid() || (m_iClientWid == -1)) return false; register int deltaX = newWid - m_iClientWid, deltaY = newHi - m_iClientHi; bool ok = true; if(deltaX < 0) { ok = false; deltaX = 0; } if(deltaY < 0) { deltaY = 0; ok = false; } for(register ControlInfo *ci = m_pFirst; ci; ci = ci->GetNext()) ci->AdaptControlSize(deltaX,deltaY); m_pWnd->RedrawWindow(); return ok; } /* * force recalculation */ bool cdxCSizingDialog::ControlInfo::Header::ReorganizeControls(void) { ASSERT(IsValid()); CRect r; m_pWnd->GetClientRect(&r); return ChangeSize(r.Width(), r.Height()); } /* * resize dialog in all available directions */ void cdxCSizingDialog::ControlInfo::Header::StretchWindow(UINT addSzByPcnt) { ASSERT(IsValid()); register int delta; WINDOWPLACEMENT wpl; if(!m_pWnd->GetWindowPlacement(&wpl)) { #ifdef _DEBUG CString s;m_pWnd->GetWindowText(s); if(s.IsEmpty()) s.Format(_T("<Address_0x%lx"),(UINT)this); TRACE1(_T("*** ERROR[cdxCSizingDialog::ControlInfo::Header::StretchWindow()]: GetWindowPlacement() failed for dialog with caption \"%s\" !\n"),(LPCSTR)s); #endif return; } if(addSzByPcnt && (m_Freedom & fdHoriz)) { delta = ((wpl.rcNormalPosition.right - wpl.rcNormalPosition.left) * addSzByPcnt) / (100/2); if((wpl.rcNormalPosition.left -= delta) < 0) wpl.rcNormalPosition.left = 0; wpl.rcNormalPosition.right += delta; } if(addSzByPcnt && (m_Freedom & fdVert)) { delta = ((wpl.rcNormalPosition.bottom - wpl.rcNormalPosition.top) * addSzByPcnt) / (100/2); if((wpl.rcNormalPosition.top -= delta) < 0) wpl.rcNormalPosition.top = 0; wpl.rcNormalPosition.bottom += delta; } wpl.flags = 0; m_pWnd->SetWindowPos(&wndBottom, wpl.rcNormalPosition.left, wpl.rcNormalPosition.top, wpl.rcNormalPosition.right - wpl.rcNormalPosition.left, wpl.rcNormalPosition.bottom - wpl.rcNormalPosition.top, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOREDRAW|SWP_NOZORDER); } ///////////////////////////////////////////////////////////////////////////// // cdxCSizingDialog::ControlInfo::Header utility functions: Sizing ///////////////////////////////////////////////////////////////////////////// /* * add a control that might be resized or repositioned * (simple) */ cdxCSizingDialog::ControlInfo *cdxCSizingDialog::ControlInfo: