src/generic/progdlgg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        progdlgg.h
   3 // Purpose:     wxProgressDialog class
   4 // Author:      Karsten Ballüder
   5 // Modified by:
   6 // Created:     09.05.1999
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Karsten Ballüder
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "progdlgg.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/frame.h"
  26     #include "wx/button.h"
  27     #include "wx/stattext.h"
  28     #include "wx/layout.h"
  29     #include "wx/event.h"
  30     #include "wx/gauge.h"
  31     #include "wx/intl.h"
  32     #include "wx/settings.h"
  33 #endif
  34
  35 #if wxUSE_PROGRESSDLG
  36
  37 #include "wx/generic/progdlgg.h"
  38
  39 #define LAYOUT_X_MARGIN 8
  40 #define LAYOUT_Y_MARGIN 8
  41
  42 // wxTextEntryDialog
  43
  44 #if !USE_SHARED_LIBRARY
  45     BEGIN_EVENT_TABLE(wxProgressDialog, wxFrame)
  46        EVT_BUTTON(-1, wxProgressDialog::OnCancel)
  47        EVT_CLOSE(wxProgressDialog::OnClose)
  48     END_EVENT_TABLE()
  49
  50     IMPLEMENT_CLASS(wxProgressDialog, wxFrame)
  51 #endif
  52
  53 wxProgressDialog::wxProgressDialog(wxString const &title,
  54                                  wxString const &message,
  55                                  int maximum,
  56                                  wxWindow *parent,
  57                                  int style)
  58 {
  59    bool hasAbortButton = (style & wxPD_CAN_ABORT) != 0;
  60    m_state = hasAbortButton ? Continue : Uncancelable;
  61    m_disableParentOnly = (style & wxPD_APP_MODAL) == 0;
  62    m_parent = parent;
  63    m_maximum = maximum;
  64
  65    wxFrame::Create(m_parent, -1, title, wxDefaultPosition,
  66                    wxDefaultSize, wxDEFAULT_DIALOG_STYLE);
  67    SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
  68
  69    wxLayoutConstraints *c;
  70
  71    m_msg = new wxStaticText(this, -1, message);
  72    c = new wxLayoutConstraints;
  73    c->left.SameAs(this, wxLeft, 10);
  74    c->top.SameAs(this, wxTop, 10);
  75    c->width.AsIs();
  76    c->height.AsIs();
  77    m_msg->SetConstraints(c);
  78
  79    if ( maximum > 0 )
  80    {
  81       m_gauge = new wxGauge(this, -1, maximum,
  82                             wxDefaultPosition, wxDefaultSize,
  83                             wxGA_HORIZONTAL | wxRAISED_BORDER);
  84       c = new wxLayoutConstraints;
  85       c->left.SameAs(this, wxLeft, 2*LAYOUT_X_MARGIN);
  86       c->top.Below(m_msg, 2*LAYOUT_Y_MARGIN);
  87       c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
  88       c->height.AsIs();
  89       m_gauge->SetConstraints(c);
  90       m_gauge->SetValue(0);
  91    }
  92    else
  93       m_gauge = (wxGauge *)NULL;
  94
  95    if ( hasAbortButton )
  96    {
  97       m_btnAbort = new wxButton(this, -1, _("Cancel"));
  98       c = new wxLayoutConstraints;
  99       c->centreX.SameAs(this, wxCentreX);
 100       if(m_gauge)
 101          c->top.Below(m_gauge, 2*LAYOUT_Y_MARGIN);
 102       else
 103          c->top.Below(m_btnAbort, 2*LAYOUT_Y_MARGIN);
 104       c->width.AsIs();
 105       c->height.AsIs();
 106       m_btnAbort->SetConstraints(c);
 107    }
 108    else
 109       m_btnAbort = (wxButton *)NULL;
 110
 111    SetAutoLayout(TRUE);
 112    Layout();
 113
 114    // calc the height of the dialog
 115    Fit();
 116    // and set the width from it
 117    wxSize size = GetClientSize();
 118    if(size.x < 2*size.y)
 119       SetClientSize(2*size.y, size.y);
 120
 121    Show(TRUE);
 122    Centre(wxCENTER_FRAME | wxBOTH);
 123
 124    if(m_disableParentOnly)
 125       m_parent->Enable(FALSE);
 126    else
 127       wxEnableTopLevelWindows(FALSE);
 128
 129    Enable(TRUE); // enable this window
 130    wxYield();
 131 }
 132
 133
 134 bool
 135 wxProgressDialog::Update(int value, const wxString& newmsg)
 136 {
 137    wxASSERT_MSG( value == -1 || m_gauge, _T("can't update non existent dialog") );
 138    wxASSERT_MSG( value < m_maximum, _T("invalid progress value") );
 139
 140
 141    if( m_gauge )
 142       m_gauge->SetValue(value + 1);
 143
 144    if( !newmsg.IsEmpty() )
 145       m_msg->SetLabel(newmsg);
 146
 147    if ( (value == m_maximum - 1) && !(GetWindowStyleFlag() & wxPD_AUTO_HIDE) )
 148    {
 149        if ( m_btnAbort )
 150        {
 151            // tell the user what he should do...
 152            m_btnAbort->SetLabel(_("Close"));
 153        }
 154
 155        if ( !newmsg )
 156        {
 157            // also provide the finishing message if the application didn't
 158            m_msg->SetLabel(_("Done."));
 159        }
 160
 161        m_state = Finished;
 162
 163        // so that we return TRUE below
 164        m_state = Finished;
 165    }
 166
 167    return m_state != Canceled;
 168 }
 169
 170 void wxProgressDialog::OnClose(wxCloseEvent& event)
 171 {
 172    if ( m_state == Uncancelable )
 173       event.Veto(TRUE);
 174    else
 175       m_state = Canceled;
 176 }
 177
 178
 179 wxProgressDialog::~wxProgressDialog()
 180 {
 181    if ( m_disableParentOnly )
 182       m_parent->Enable(TRUE);
 183    else
 184       wxEnableTopLevelWindows(TRUE);
 185 }
 186
 187 #endif