src/common/dlgcmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        common/dlgcmn.cpp
   3 // Purpose:     common (to all ports) wxDialog functions
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     28.06.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if 0
  21 #ifdef __GNUG__
  22     #pragma implementation
  23 #endif
  24 #endif
  25
  26 // For compilers that support precompilation, includes "wx.h".
  27 #include "wx/wxprec.h"
  28
  29 #ifdef __BORLANDC__
  30     #pragma hdrstop
  31 #endif
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/dialog.h"
  35     #include "wx/dcclient.h"
  36     #include "wx/settings.h"
  37 #endif
  38
  39 // ----------------------------------------------------------------------------
  40 // constants
  41 // ----------------------------------------------------------------------------
  42
  43 const long wxDialogBase::LAYOUT_X_MARGIN = 5;
  44 const long wxDialogBase::LAYOUT_Y_MARGIN = 5;
  45
  46 const long wxDialogBase::MARGIN_BETWEEN_BUTTONS = 3*LAYOUT_X_MARGIN;
  47
  48 // ============================================================================
  49 // implementation
  50 // ============================================================================
  51
  52 // ----------------------------------------------------------------------------
  53 // dialog layout functions
  54 // ----------------------------------------------------------------------------
  55
  56 wxSize wxDialogBase::SplitTextMessage(const wxString& message,
  57                                       wxArrayString *lines)
  58 {
  59     wxClientDC dc(this);
  60     dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
  61
  62     wxString curLine;
  63     long height, width, heightTextMax = 0, widthTextMax = 0;
  64     for ( const wxChar *pc = message; ; pc++ )
  65     {
  66         if ( *pc == _T('\n') || !*pc )
  67         {
  68             dc.GetTextExtent(curLine, &width, &height);
  69             if ( width > widthTextMax )
  70                 widthTextMax = width;
  71             if ( height > heightTextMax )
  72                 heightTextMax = height;
  73
  74             lines->Add(curLine);
  75
  76             if ( !*pc )
  77             {
  78                // the end of string
  79                break;
  80             }
  81
  82             curLine.Empty();
  83         }
  84         else
  85         {
  86             curLine += *pc;
  87         }
  88     }
  89
  90     return wxSize(widthTextMax, heightTextMax);
  91 }
  92
  93 long wxDialogBase::CreateTextMessage(const wxArrayString& lines,
  94                                      const wxPoint& posText,
  95                                      const wxSize& sizeText)
  96 {
  97     wxStaticText *text;
  98     int y = posText.y;
  99     size_t nLineCount = lines.GetCount();
 100     for ( size_t nLine = 0; nLine < nLineCount; nLine++ )
 101     {
 102         text = new wxStaticText(this, -1, lines[nLine],
 103                                 wxPoint(posText.x, y),
 104                                 sizeText);
 105         y += sizeText.GetHeight();
 106     }
 107
 108     return y;
 109 }
 110
 111 wxSize wxDialogBase::GetStandardButtonSize(bool hasCancel)
 112 {
 113     int wButton = 0;
 114     GetTextExtent(_("OK"), &wButton, NULL);
 115
 116     if ( hasCancel )
 117     {
 118         int width;
 119         GetTextExtent(_("Cancel"), &width, NULL);
 120         if ( width > wButton )
 121             wButton = width;
 122     }
 123
 124     if ( wButton < 75 )
 125     {
 126         // the minimal acceptable width
 127         wButton = 75;
 128     }
 129     else
 130     {
 131         // the width of the button is not just the width of the label...
 132         wButton += 2*LAYOUT_X_MARGIN;
 133     }
 134
 135     // a nice looking proportion
 136     int hButton = (wButton * 23) / 75;
 137
 138     return wxSize(wButton, hButton);
 139 }
 140
 141 void wxDialogBase::CreateStandardButtons(long wDialog,
 142                                          long y,
 143                                          long wButton,
 144                                          long hButton,
 145                                          bool hasCancel)
 146 {
 147     // NB: create [Ok] first to get the right tab order
 148     wxButton *ok = (wxButton *) NULL;
 149     wxButton *cancel = (wxButton *) NULL;
 150
 151     long x = wDialog / 2;
 152     if ( hasCancel )
 153         x -= MARGIN_BETWEEN_BUTTONS / 2 + wButton;
 154     else
 155         x -= wButton / 2;
 156
 157     ok = new wxButton( this, wxID_OK, _("OK"),
 158                        wxPoint(x, y),
 159                        wxSize(wButton, hButton) );
 160
 161     if ( hasCancel )
 162     {
 163         x += MARGIN_BETWEEN_BUTTONS + wButton;
 164         cancel = new wxButton( this, wxID_CANCEL, _("Cancel"),
 165                                wxPoint(x, y),
 166                                wxSize(wButton, hButton) );
 167     }
 168
 169     ok->SetDefault();
 170     ok->SetFocus();
 171 }
 172
 173 long wxDialogBase::GetStandardTextHeight()
 174 {
 175     return (3*GetCharHeight()) / 2;
 176 }