src/generic/msgdlgg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msgdlgg.cpp
   3 // Purpose:     wxGenericMessageDialog
   4 // Author:      Julian Smart, Robert Roebling
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart, Markus Holzem, Robert Roebling
   9 // Licence:           wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "msgdlgg.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24   #include "wx/utils.h"
  25   #include "wx/dialog.h"
  26   #include "wx/button.h"
  27   #include "wx/stattext.h"
  28   #include "wx/intl.h"
  29 #endif
  30
  31 #include <stdio.h>
  32 #include <string.h>
  33
  34 #include "wx/generic/msgdlgg.h"
  35
  36 #if wxUSE_STATLINE
  37   #include "wx/statline.h"
  38 #endif
  39
  40 /* Split message, using constraints to position controls */
  41 static wxSize wxSplitMessage2( const wxString &message, wxWindow *parent )
  42 {
  43     int y = 10;
  44     int w = 50;
  45     wxString line( _T("") );
  46     for (uint pos = 0; pos < message.Len(); pos++)
  47     {
  48         if (message[pos] == _T('\n'))
  49         {
  50             if (!line.IsEmpty())
  51             {
  52                 wxStaticText *s1 = new wxStaticText( parent, -1, line, wxPoint(15,y) );
  53                 wxSize size1( s1->GetSize() );
  54                 if (size1.x > w) w = size1.x;
  55                 line = _T("");
  56             }
  57             y += 18;
  58         }
  59         else
  60         {
  61             line += message[pos];
  62         }
  63     }
  64
  65     if (!line.IsEmpty())
  66     {
  67         wxStaticText *s2 = new wxStaticText( parent, -1, line, wxPoint(15,y) );
  68         wxSize size2( s2->GetSize() );
  69         if (size2.x > w) w = size2.x;
  70     }
  71
  72     y += 18;
  73
  74     return wxSize(w+30,y);
  75 }
  76
  77 #if !USE_SHARED_LIBRARY
  78 BEGIN_EVENT_TABLE(wxGenericMessageDialog, wxDialog)
  79         EVT_BUTTON(wxID_YES, wxGenericMessageDialog::OnYes)
  80         EVT_BUTTON(wxID_NO, wxGenericMessageDialog::OnNo)
  81         EVT_BUTTON(wxID_CANCEL, wxGenericMessageDialog::OnCancel)
  82 END_EVENT_TABLE()
  83
  84 IMPLEMENT_CLASS(wxGenericMessageDialog, wxDialog)
  85 #endif
  86
  87 wxGenericMessageDialog::wxGenericMessageDialog( wxWindow *parent, const wxString& message,
  88    const wxString& caption, long style, const wxPoint& pos) :
  89   wxDialog( parent, -1, caption, pos, wxDefaultSize, wxDEFAULT_DIALOG_STYLE )
  90 {
  91     m_dialogStyle = style;
  92
  93     wxBeginBusyCursor();
  94
  95     wxSize message_size( wxSplitMessage2( message, this ) );
  96
  97     wxButton *ok = (wxButton *) NULL;
  98     wxButton *cancel = (wxButton *) NULL;
  99     wxButton *yes = (wxButton *) NULL;
 100     wxButton *no = (wxButton *) NULL;
 101
 102     int y = message_size.y + 30;
 103
 104     if (style & wxYES_NO)
 105     {
 106         yes = new wxButton( this, wxID_YES, _("Yes"), wxPoint(-1,y), wxSize(80,-1) );
 107         m_buttons.Append( yes );
 108         no = new wxButton( this, wxID_NO, _("No"), wxPoint(-1,y), wxSize(80,-1) );
 109         m_buttons.Append( no );
 110     }
 111
 112     if (style & wxOK)
 113     {
 114         ok = new wxButton( this, wxID_OK, _("OK"), wxPoint(-1,y), wxSize(80,-1) );
 115         m_buttons.Append( ok );
 116     }
 117
 118     if (style & wxCANCEL)
 119     {
 120         cancel = new wxButton( this, wxID_CANCEL, _("Cancel"), wxPoint(-1,y), wxSize(80,-1) );
 121         m_buttons.Append( cancel );
 122     }
 123
 124     if (ok)
 125     {
 126         ok->SetDefault();
 127         ok->SetFocus();
 128     }
 129     else if (yes)
 130     {
 131        if(style & wxNO_DEFAULT)
 132        {
 133           no->SetDefault();
 134           no->SetFocus();
 135        }
 136        else
 137        {
 138           yes->SetDefault();
 139           yes->SetFocus();
 140        }
 141     }
 142
 143     int w = m_buttons.GetCount() * 100;
 144     if (message_size.x > w) w = message_size.x;
 145     int space = w / (m_buttons.GetCount()*2);
 146
 147     int n = 0;
 148     wxNode *node = m_buttons.First();
 149     while (node)
 150     {
 151         wxWindow *win = (wxWindow*)node->Data();
 152         int x = (n*2+1)*space - 40 + 15;
 153         win->Move( x, -1 );
 154         node = node->Next();
 155         n++;
 156     }
 157
 158 #if wxUSE_STATLINE
 159     (void) new wxStaticLine( this, -1, wxPoint(0,y-20), wxSize(w+30, 5) );
 160 #endif
 161
 162     SetSize( w+30, y+40 );
 163
 164     Centre( wxBOTH );
 165
 166     wxEndBusyCursor();
 167 }
 168
 169 void wxGenericMessageDialog::OnYes(wxCommandEvent& WXUNUSED(event))
 170 {
 171     EndModal( wxID_YES );
 172 }
 173
 174 void wxGenericMessageDialog::OnNo(wxCommandEvent& WXUNUSED(event))
 175 {
 176     EndModal( wxID_NO );
 177 }
 178
 179 void wxGenericMessageDialog::OnCancel(wxCommandEvent& WXUNUSED(event))
 180 {
 181     /* Allow cancellation via ESC/Close button except if
 182        only YES and NO are specified. */
 183     if ( (m_dialogStyle & wxYES_NO) != wxYES_NO || (m_dialogStyle & wxCANCEL) )
 184     {
 185         EndModal( wxID_CANCEL );
 186     }
 187 }
 188
 189