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 #if defined(__VISAGECPP__)
  71 // have two versions of this in wxWindowDC tp avoid function hiding
  72 // since there are two of these in wxDCBase, and in turn in wxDC.
  73 // VA cannot resolve this so:
  74             dc.GetTextExtent(curLine, &width, &height, NULL, NULL, NULL, FALSE);
  75 #else
  76             dc.GetTextExtent(curLine, &width, &height);
  77 #endif
  78             if ( width > widthTextMax )
  79                 widthTextMax = width;
  80             if ( height > heightTextMax )
  81                 heightTextMax = height;
  82
  83             lines->Add(curLine);
  84
  85             if ( !*pc )
  86             {
  87                // the end of string
  88                break;
  89             }
  90
  91             curLine.Empty();
  92         }
  93         else
  94         {
  95             curLine += *pc;
  96         }
  97     }
  98
  99     return wxSize(widthTextMax, heightTextMax);
 100 }
 101
 102 long wxDialogBase::CreateTextMessage(const wxArrayString& lines,
 103                                      const wxPoint& posText,
 104                                      const wxSize& sizeText)
 105 {
 106     wxStaticText *text;
 107     int y = posText.y;
 108     size_t nLineCount = lines.GetCount();
 109     for ( size_t nLine = 0; nLine < nLineCount; nLine++ )
 110     {
 111         text = new wxStaticText(this, -1, lines[nLine],
 112                                 wxPoint(posText.x, y),
 113                                 sizeText);
 114         y += sizeText.GetHeight();
 115     }
 116
 117     return y;
 118 }
 119
 120 wxSize wxDialogBase::GetStandardButtonSize(bool hasCancel)
 121 {
 122     int wButton = 0;
 123     GetTextExtent(_("OK"), &wButton, NULL);
 124
 125     if ( hasCancel )
 126     {
 127         int width;
 128         GetTextExtent(_("Cancel"), &width, NULL);
 129         if ( width > wButton )
 130             wButton = width;
 131     }
 132
 133     if ( wButton < 75 )
 134     {
 135         // the minimal acceptable width
 136         wButton = 75;
 137     }
 138     else
 139     {
 140         // the width of the button is not just the width of the label...
 141         wButton += 2*LAYOUT_X_MARGIN;
 142     }
 143
 144     // a nice looking proportion
 145     int hButton = (wButton * 23) / 75;
 146
 147     return wxSize(wButton, hButton);
 148 }
 149
 150 void wxDialogBase::CreateStandardButtons(long wDialog,
 151                                          long y,
 152                                          long wButton,
 153                                          long hButton,
 154                                          bool hasCancel)
 155 {
 156     // NB: create [Ok] first to get the right tab order
 157     wxButton *ok = (wxButton *) NULL;
 158     wxButton *cancel = (wxButton *) NULL;
 159
 160     long x = wDialog / 2;
 161     if ( hasCancel )
 162         x -= MARGIN_BETWEEN_BUTTONS / 2 + wButton;
 163     else
 164         x -= wButton / 2;
 165
 166     ok = new wxButton( this, wxID_OK, _("OK"),
 167                        wxPoint(x, y),
 168                        wxSize(wButton, hButton) );
 169
 170     if ( hasCancel )
 171     {
 172         x += MARGIN_BETWEEN_BUTTONS + wButton;
 173         cancel = new wxButton( this, wxID_CANCEL, _("Cancel"),
 174                                wxPoint(x, y),
 175                                wxSize(wButton, hButton) );
 176     }
 177
 178     ok->SetDefault();
 179     ok->SetFocus();
 180 }
 181
 182 long wxDialogBase::GetStandardTextHeight()
 183 {
 184     return (3*GetCharHeight()) / 2;
 185 }