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/intl.h"
  37     #include "wx/settings.h"
  38     #include "wx/stattext.h"
  39 #endif
  40
  41 // ----------------------------------------------------------------------------
  42 // constants
  43 // ----------------------------------------------------------------------------
  44
  45 const long wxDialogBase::LAYOUT_X_MARGIN = 5;
  46 const long wxDialogBase::LAYOUT_Y_MARGIN = 5;
  47
  48 const long wxDialogBase::MARGIN_BETWEEN_BUTTONS = 3*LAYOUT_X_MARGIN;
  49
  50 // ============================================================================
  51 // implementation
  52 // ============================================================================
  53
  54 // ----------------------------------------------------------------------------
  55 // dialog layout functions
  56 // ----------------------------------------------------------------------------
  57
  58 wxSize wxDialogBase::SplitTextMessage(const wxString& message,
  59                                       wxArrayString *lines)
  60 {
  61     wxClientDC dc(this);
  62     dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
  63
  64     wxString curLine;
  65     long height, width, heightTextMax = 0, widthTextMax = 0;
  66     for ( const wxChar *pc = message; ; pc++ )
  67     {
  68         if ( *pc == _T('\n') || !*pc )
  69         {
  70             dc.GetTextExtent(curLine, &width, &height);
  71             if ( width > widthTextMax )
  72                 widthTextMax = width;
  73             if ( height > heightTextMax )
  74                 heightTextMax = height;
  75
  76             lines->Add(curLine);
  77
  78             if ( !*pc )
  79             {
  80                // the end of string
  81                break;
  82             }
  83
  84             curLine.Empty();
  85         }
  86         else
  87         {
  88             curLine += *pc;
  89         }
  90     }
  91
  92     return wxSize(widthTextMax, heightTextMax);
  93 }
  94
  95 long wxDialogBase::CreateTextMessage(const wxArrayString& lines,
  96                                      const wxPoint& posText,
  97                                      const wxSize& sizeText)
  98 {
  99     wxStaticText *text;
 100     int y = posText.y;
 101     size_t nLineCount = lines.GetCount();
 102     for ( size_t nLine = 0; nLine < nLineCount; nLine++ )
 103     {
 104         text = new wxStaticText(this, -1, lines[nLine],
 105                                 wxPoint(posText.x, y),
 106                                 sizeText);
 107         y += sizeText.GetHeight();
 108     }
 109
 110     return y;
 111 }
 112
 113 wxSize wxDialogBase::GetStandardButtonSize(bool hasCancel)
 114 {
 115     int wButton = 0;
 116     GetTextExtent(_("OK"), &wButton, NULL);
 117
 118     if ( hasCancel )
 119     {
 120         int width;
 121         GetTextExtent(_("Cancel"), &width, NULL);
 122         if ( width > wButton )
 123             wButton = width;
 124     }
 125
 126     if ( wButton < 75 )
 127     {
 128         // the minimal acceptable width
 129         wButton = 75;
 130     }
 131     else
 132     {
 133         // the width of the button is not just the width of the label...
 134         wButton += 2*LAYOUT_X_MARGIN;
 135     }
 136
 137     // a nice looking proportion
 138     int hButton = (wButton * 23) / 75;
 139
 140     return wxSize(wButton, hButton);
 141 }
 142
 143 void wxDialogBase::CreateStandardButtons(long wDialog,
 144                                          long y,
 145                                          long wButton,
 146                                          long hButton,
 147                                          bool hasCancel)
 148 {
 149     // NB: create [Ok] first to get the right tab order
 150     wxButton *ok = (wxButton *) NULL;
 151     wxButton *cancel = (wxButton *) NULL;
 152
 153     long x = wDialog / 2;
 154     if ( hasCancel )
 155         x -= MARGIN_BETWEEN_BUTTONS / 2 + wButton;
 156     else
 157         x -= wButton / 2;
 158
 159     ok = new wxButton( this, wxID_OK, _("OK"),
 160                        wxPoint(x, y),
 161                        wxSize(wButton, hButton) );
 162
 163     if ( hasCancel )
 164     {
 165         x += MARGIN_BETWEEN_BUTTONS + wButton;
 166         cancel = new wxButton( this, wxID_CANCEL, _("Cancel"),
 167                                wxPoint(x, y),
 168                                wxSize(wButton, hButton) );
 169     }
 170
 171     ok->SetDefault();
 172     ok->SetFocus();
 173 }
 174
 175 long wxDialogBase::GetStandardTextHeight()
 176 {
 177     return (3*GetCharHeight()) / 2;
 178 }