tools/src/tools/configtool/common/win32/messagebox.cpp

   1 //####COPYRIGHTBEGIN####
   2 //
   3 // ----------------------------------------------------------------------------
   4 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
   5 //
   6 // This program is part of the eCos host tools.
   7 //
   8 // This program is free software; you can redistribute it and/or modify it
   9 // under the terms of the GNU General Public License as published by the Free
  10 // Software Foundation; either version 2 of the License, or (at your option)
  11 // any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful, but WITHOUT
  14 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  16 // more details.
  17 //
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  19 // this program; if not, write to the Free Software Foundation, Inc.,
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  21 //
  22 // ----------------------------------------------------------------------------
  23 //
  24 //####COPYRIGHTEND####
  25 // MessageBox.cpp : implementation file
  26 //
  27 //
  28 //===========================================================================
  29 //#####DESCRIPTIONBEGIN####
  30 //
  31 // Author(s):   sdf
  32 // Contact(s):  sdf
  33 // Date:                1998/10/06
  34 // Version:             0.01
  35 // Purpose:
  36 // Description: This is the implementation of the messagebox class
  37 // Requires:
  38 // Provides:
  39 // See also:
  40 // Known bugs:
  41 // Usage:
  42 //
  43 //####DESCRIPTIONEND####
  44 //
  45 //===========================================================================
  46
  47 //
  48
  49 #include "stdafx.h"
  50 #include "MessageBox.h"
  51
  52 #ifdef _DEBUG
  53 #define new DEBUG_NEW
  54 #undef THIS_FILE
  55 static char THIS_FILE[] = __FILE__;
  56 #endif
  57
  58 /////////////////////////////////////////////////////////////////////////////
  59 // CMessageBox dialog
  60
  61 // Must be global because InitModalIndirect saves the pointer
  62 CMessageBox::DLGDATA CMessageBox::DlgData = {
  63         {       DS_MODALFRAME | WS_POPUP | WS_VISIBLE | WS_CAPTION | WS_SYSMENU,
  64                 0,                // No controls yet
  65                 0,0,0,0}, // Fix up size and position later
  66                 0,0,0};   // Default menu, class and title
  67
  68 void CMessageBox::Init()
  69 {
  70         m_pFont=CFont::FromHandle(HFONT(GetStockObject(DEFAULT_GUI_FONT)));
  71         m_nFocusButton=-1;
  72         m_nEscapeButton=-1;
  73         m_nJustify=SS_LEFT;
  74         m_nDefaultButton=0;
  75         m_hIcon=NULL;
  76         m_pStaticText=NULL;
  77         m_pStaticIcon=NULL;
  78         m_bTopMost=false;
  79         m_bModeless=false;
  80         m_bDialogCreated=false;
  81         m_pParentNotify=NULL;
  82         m_crText=GetSysColor(COLOR_BTNTEXT);
  83         InitModalIndirect (&DlgData.tmpl,NULL);
  84 }
  85
  86 CMessageBox::CMessageBox()
  87         : CDialog()
  88 {
  89         Init();
  90         m_strCaption=_T("Error");
  91 }
  92
  93 CMessageBox::CMessageBox(const CString &strText,const CString &strCaption/*=_T("Error")*/,UINT Flag/*=MB_OK*/)
  94         : CDialog()
  95 {
  96         Init();
  97
  98         m_strText=strText;
  99         m_strCaption=strCaption;
 100         m_nDefaultButton=((Flag&MB_DEFMASK)>>8);
 101         m_bTopMost=(0!=(Flag&MB_SYSTEMMODAL));
 102         // Use flag to select from amongst standard combinations and
 103         // to select icon.
 104
 105         switch(Flag&MB_TYPEMASK){
 106                 case MB_OK:
 107                         AddButton(_T("OK"),IDOK);
 108                         break;
 109                 case MB_OKCANCEL:
 110                         AddButton(_T("OK"),IDOK);
 111                         AddButton(_T("Cancel"),IDCANCEL);
 112                         break;
 113                 case MB_ABORTRETRYIGNORE:
 114                         AddButton(_T("&Abort"),IDABORT);
 115                         AddButton(_T("&Retry"),IDRETRY);
 116                         AddButton(_T("&Ignore"),IDIGNORE);
 117                         break;
 118                 case MB_YESNOCANCEL:
 119                         AddButton(_T("&Yes"),IDYES);
 120                         AddButton(_T("&No"),IDNO);
 121                         AddButton(_T("Cancel"),IDCANCEL);
 122                         break;
 123                 case MB_YESNO:
 124                         AddButton(_T("&Yes"),IDYES);
 125                         AddButton(_T("&No"),IDNO);
 126                         break;
 127                 case MB_RETRYCANCEL:
 128                         AddButton(_T("&Retry"),IDRETRY);
 129                         AddButton(_T("Cancel"),IDCANCEL);
 130                         break;
 131                 case MB_YESNOALL: //13
 132                         AddButton(_T("&Yes"),IDYES);
 133                         AddButton(_T("&No"),IDNO);
 134                         AddButton(_T("Yes &All"),IDYESALL);
 135                         AddButton(_T("No A&ll"),IDNOALL);
 136                         break;
 137                 case MB_YESNOALLCANCEL: //14
 138                         AddButton(_T("&Yes"),IDYES);
 139                         AddButton(_T("&No"),IDNO);
 140                         AddButton(_T("Yes &All"),IDYESALL);
 141                         AddButton(_T("No A&ll"),IDNOALL);
 142                         AddButton(_T("Cancel"),IDCANCEL);
 143                         break;
 144                 default:
 145                         ASSERT(FALSE);
 146         }
 147
 148         if(Flag&MB_HELP){
 149                 AddButton(_T("&Help"),IDHELP);
 150         }
 151
 152         switch(Flag&MB_ICONMASK){
 153                 case MB_ICONHAND:
 154                         m_hIcon=AfxGetApp()->LoadStandardIcon(IDI_HAND);
 155                         break;
 156                 case MB_ICONQUESTION:
 157                         m_hIcon=AfxGetApp()->LoadStandardIcon(IDI_QUESTION);
 158                         break;
 159                 case MB_ICONEXCLAMATION:
 160                         m_hIcon=AfxGetApp()->LoadStandardIcon(IDI_EXCLAMATION);
 161                         break;
 162                 case MB_ICONASTERISK:
 163                         m_hIcon=AfxGetApp()->LoadStandardIcon(IDI_ASTERISK);
 164                         break;
 165                 case 0:
 166                         break;
 167                 default:
 168                         ASSERT(FALSE);
 169                         break;
 170         }
 171 }
 172
 173 BEGIN_MESSAGE_MAP(CMessageBox, CDialog)
 174         //{{AFX_MSG_MAP(CMessageBox)
 175         ON_WM_FONTCHANGE()
 176         ON_WM_CTLCOLOR()
 177         ON_WM_CLOSE()
 178         //}}AFX_MSG_MAP
 179         ON_CONTROL_RANGE(BN_CLICKED, 1, 0xFFFF, OnButton)
 180 END_MESSAGE_MAP()
 181
 182 /////////////////////////////////////////////////////////////////////////////
 183 // CMessageBox message handlers
 184
 185 BOOL CMessageBox::OnInitDialog()
 186 {
 187         // Create buttons as required
 188         ASSERT(ButtonCount()>0);
 189
 190         SetWindowText(m_strCaption);
 191
 192         if(-1==m_nEscapeButton||IDCANCEL!=m_arBInfo[m_nEscapeButton].m_id){
 193                 // No cancel button
 194                 CMenu *pMenu=GetSystemMenu(FALSE);
 195                 pMenu->RemoveMenu(SC_CLOSE,MF_BYCOMMAND);
 196         }
 197
 198         CDialog::OnInitDialog();
 199         CDC *pDC=GetDC();
 200         CFont *pOldFont=pDC->SelectObject(m_pFont);
 201         TEXTMETRIC tm;
 202         pDC->GetTextMetrics(&tm);
 203
 204         int cxDLU=tm.tmAveCharWidth;
 205         int cyDLU=tm.tmHeight;
 206         int nButtonWidth= (60*cxDLU)/4;         // width of a button
 207         int nButtonHeight=(14*cyDLU)/8;         // height of a button
 208         int cxButtonSep=   (4*cxDLU)/4;         // horizontal button separation
 209         int cxTextButtonSep=(10*cxDLU)/4;       // horizontal separation between text and icon
 210         int cyTextButtonSep=(10*cyDLU)/8;       // vertical separation between text and buttons
 211         int cxBorder=   (7*cxDLU)/4;            // horizontal separation between buttons and border
 212         int cyBorder=   (7*cyDLU)/8;            // vertical separation between buttons and border
 213         int cxIcon=GetSystemMetrics(SM_CXICON); // width of an icon
 214         int cyIcon=GetSystemMetrics(SM_CYICON); // height of an icon
 215         int nTotalButtonWidth=(ButtonCount()*nButtonWidth)+(ButtonCount()-1)*cxButtonSep;
 216         int cxText=max(50,nTotalButtonWidth-(m_hIcon?(cxIcon+cxTextButtonSep):0));
 217         int cyText=0;
 218
 219         // Size the text control according to the maximum line length
 220         LPCTSTR c=m_strText;
 221         while(*c){
 222                 PTCHAR d=_tcsstr(c,_T("\r\n"));
 223                 int nCount;
 224                 if(d){
 225                         *d=_TCHAR('\0');
 226                         nCount=d-c;
 227                 } else {\
 228                         nCount=_tcslen(c);
 229                 }
 230                 cxText=max(cxText,pDC->GetTextExtent(c,nCount).cx);
 231                 cyText+=tm.tmHeight;
 232                 if(d){
 233                         *d=_TCHAR('\r');
 234                         c=d+2;
 235                 } else {
 236                         break;
 237                 }
 238         }
 239
 240         // If vertical extent of text is less than that of the icon, difference between the two
 241         int cyTextExtra= (m_hIcon && cyText<cyIcon)?cyIcon-cyText:0;
 242
 243         pDC->SelectObject(pOldFont);
 244         ReleaseDC(pDC);
 245
 246         // Set dialog box size
 247         {
 248                 int cx=(2*cxBorder)+cxText+cxButtonSep+2*GetSystemMetrics(SM_CXDLGFRAME);
 249                 if(m_hIcon){
 250                         cx+=cxIcon+cxTextButtonSep;
 251                 }
 252                 int cy=(2*cyBorder)+cyText+cyTextExtra+cyTextButtonSep+nButtonHeight+
 253                         GetSystemMetrics(SM_CYCAPTION)+2*GetSystemMetrics(SM_CYDLGFRAME);
 254                 UINT flags=SWP_NOMOVE;
 255                 if(!m_bTopMost){
 256                         flags|=SWP_NOZORDER;
 257                 }
 258                 SetWindowPos(&wndTopMost,0,0,cx,cy,flags);
 259         }
 260
 261         // Create a static control for the icon
 262         if(m_hIcon){
 263                 m_pStaticIcon=new CStatic;
 264                 m_pStaticIcon->Create(NULL,WS_CHILD|WS_VISIBLE|SS_ICON,
 265                         CRect(cxBorder,cyBorder,cxBorder+cxIcon,cyBorder+cyIcon), this);
 266                 m_pStaticIcon->SetIcon(m_hIcon);
 267         }
 268
 269         // Create a static control for the text
 270         {
 271                 int cx=m_hIcon?cxIcon+cxTextButtonSep:0;
 272                 m_pStaticText=new CStatic;
 273                 m_pStaticText->Create(m_strText,WS_CHILD|WS_VISIBLE|m_nJustify|SS_NOPREFIX,
 274                         CRect(cxBorder+cx,cyBorder+cyTextExtra/2,cxBorder+cx+cxText,cyBorder+cyText+cyTextExtra/2), this);
 275                 m_pStaticText->SetFont(m_pFont);
 276         }
 277
 278         // Create the buttons
 279         CRect rcClient;
 280         GetClientRect(rcClient);
 281         CRect rect;
 282         rect.left=(rcClient.Width()-nTotalButtonWidth)/2;
 283         rect.right=rect.left+nButtonWidth;
 284         rect.bottom=rcClient.bottom-cyBorder;
 285         rect.top=rect.bottom-nButtonHeight;
 286
 287         ASSERT(m_nDefaultButton<ButtonCount());
 288
 289         for(unsigned i=0;i<ButtonCount();i++){
 290                 CButton *pWnd=new CButton;
 291                 m_arBInfo[i].m_pWnd=pWnd;
 292                 UINT id=m_arBInfo[i].m_id;
 293                 UINT style=WS_CHILD|WS_VISIBLE|WS_TABSTOP;
 294                 if(!m_arBInfo[i].m_bEnabled){
 295                         style|=WS_DISABLED;
 296                 }
 297                 if(0==i){
 298                         style|=WS_GROUP;
 299                 }
 300                 style|=(m_nDefaultButton==i)?BS_DEFPUSHBUTTON:BS_PUSHBUTTON;
 301
 302                 pWnd->Create(m_arBInfo[i].m_strCaption,style,rect,this,id);
 303                 pWnd->SetFont(m_pFont);
 304                 if(m_nDefaultButton==i){
 305                         pWnd->SetFocus();
 306                 }
 307                 rect.left+=nButtonWidth+cxButtonSep;
 308                 rect.right+=nButtonWidth+cxButtonSep;
 309         }
 310
 311         m_nFocusButton=m_nDefaultButton;
 312         m_bDialogCreated=true;
 313         return FALSE;
 314 }
 315
 316 void CMessageBox::OnButton(UINT id)
 317 {
 318         if(-1!=IndexOf(id)){
 319                 if(m_bModeless){
 320                         if(NULL!=m_pParentNotify){
 321                                 m_pParentNotify->PostMessage(m_nParentNotifcationMessage,MAKEWPARAM(id,m_nParentNotifcationwParamHigh),0);
 322                                 DestroyWindow();
 323                         }
 324                 } else {
 325                         EndDialog(id);
 326                 }
 327         }
 328 }
 329
 330 BOOL CMessageBox::PreTranslateMessage(MSG* pMsg)
 331 {
 332         if(pMsg->message==WM_KEYDOWN){
 333                 switch(pMsg->wParam){
 334                         case VK_ESCAPE:
 335                                 if(-1!=m_nEscapeButton){
 336                                         OnButton(m_arBInfo[m_nEscapeButton].m_id);
 337                                 }
 338                                 return TRUE;
 339                         default:
 340                                 break;
 341                 }
 342         }
 343     if( IsDialogMessage( pMsg ) )
 344                 return TRUE;
 345         else
 346         return CDialog::PreTranslateMessage( pMsg );
 347 }
 348
 349 void CMessageBox::AddButton(const CString & strCaption, UINT id, bool bEnabled/*=true*/)
 350 {
 351 #ifdef _DEBUG
 352         ASSERT(-1==IndexOf(id));
 353         for(unsigned int i=0;i<ButtonCount();i++){
 354                 if(0==m_arBInfo[i].m_strCaption.Compare(strCaption)){
 355                         ASSERT(FALSE);
 356                 }
 357         }
 358 #endif
 359         if(bEnabled){
 360                 if(IDCANCEL==id || (IDOK==id && -1==m_nEscapeButton)){
 361                         m_nEscapeButton=ButtonCount();
 362                 }
 363         }
 364         CButtonInfo info(id,bEnabled,strCaption);
 365         m_arBInfo.Add(info);
 366 }
 367
 368 CMessageBox::~CMessageBox()
 369 {
 370         for(unsigned int i=0;i<ButtonCount();i++){
 371                 deleteZ(m_arBInfo[i].m_pWnd);
 372         }
 373         deleteZ(m_pStaticText);
 374         deleteZ(m_pStaticIcon);
 375 }
 376
 377 void CMessageBox::SetDefaultButton(UINT nIndex)
 378 {
 379         ASSERT(nIndex<ButtonCount());
 380         m_nDefaultButton=nIndex;
 381 }
 382
 383 void CMessageBox::OnFontChange()
 384 {
 385         CDialog::OnFontChange();
 386
 387         m_pFont=CFont::FromHandle(HFONT(GetStockObject(DEFAULT_GUI_FONT)));
 388         for(unsigned int i=0;i<ButtonCount();i++){
 389                 Button(i).SetFont(m_pFont);
 390         }
 391         m_pStaticText->SetFont(m_pFont);
 392 }
 393
 394
 395
 396 HBRUSH CMessageBox::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
 397 {
 398         HBRUSH hbr=CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
 399         switch(nCtlColor){
 400                 case CTLCOLOR_STATIC:
 401                         pDC->SetTextColor(m_crText);
 402                         break;
 403                 default:
 404                         break;
 405         }
 406         return hbr;
 407 }
 408
 409
 410 BOOL CMessageBox::Create(CWnd *pWnd,UINT msg,WORD wParamHigh)
 411 {
 412         m_bModeless=true;
 413         if(0!=msg){
 414                 ASSERT(NULL!=pWnd);
 415                 m_pParentNotify=pWnd;
 416                 m_nParentNotifcationMessage=msg;
 417                 m_nParentNotifcationwParamHigh=wParamHigh;
 418         }
 419         return CreateIndirect (&DlgData.tmpl,pWnd);
 420 }
 421
 422 int CMessageBox::IndexOf(UINT id)
 423 {
 424         for(unsigned int i=0;i<ButtonCount();i++){
 425                 if(m_arBInfo[i].m_id==id){
 426                         return (signed)i;
 427                 }
 428         }
 429         return -1;
 430 }
 431
 432 void CMessageBox::PostNcDestroy()
 433 {
 434         if(m_bModeless){
 435                 delete this;
 436         } else {
 437                 CDialog::PostNcDestroy();
 438         }
 439 }
 440
 441 void CMessageBox::OnClose()
 442 {
 443         OnButton(IDCANCEL);
 444 }
 445
 446 void CMessageBox::SetCaption (const CString &strCaption)
 447 {
 448         m_strCaption=strCaption;
 449         if(m_bDialogCreated){
 450                 SetWindowText(strCaption);
 451         }
 452 }