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);
  66    SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
  67
  68    wxLayoutConstraints *c;
  69
  70    m_msg = new wxStaticText(this, -1, message);
  71    c = new wxLayoutConstraints;
  72    c->left.SameAs(this, wxLeft, 10);
  73    c->top.SameAs(this, wxTop, 10);
  74    c->width.AsIs();
  75    c->height.AsIs();
  76    m_msg->SetConstraints(c);
  77
  78    if ( maximum > 0 )
  79    {
  80       m_gauge = new wxGauge(this, -1, maximum,
  81                             wxDefaultPosition, wxDefaultSize,
  82                             wxGA_HORIZONTAL | wxRAISED_BORDER);
  83       c = new wxLayoutConstraints;
  84       c->left.SameAs(this, wxLeft, 2*LAYOUT_X_MARGIN);
  85       c->top.Below(m_msg, 2*LAYOUT_Y_MARGIN);
  86       c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
  87       c->height.AsIs();
  88       m_gauge->SetConstraints(c);
  89       m_gauge->SetValue(0);
  90    }
  91    else
  92       m_gauge = (wxGauge *)NULL;
  93
  94    if ( hasAbortButton )
  95    {
  96       m_btnAbort = new wxButton(this, -1, _("Cancel"));
  97       c = new wxLayoutConstraints;
  98       c->centreX.SameAs(this, wxCentreX);
  99       if(m_gauge)
 100          c->top.Below(m_gauge, 2*LAYOUT_Y_MARGIN);
 101       else
 102          c->top.Below(m_btnAbort, 2*LAYOUT_Y_MARGIN);
 103       c->width.AsIs();
 104       c->height.AsIs();
 105       m_btnAbort->SetConstraints(c);
 106    }
 107    else
 108       m_btnAbort = (wxButton *)NULL;
 109
 110    SetAutoLayout(TRUE);
 111    Layout();
 112
 113    // calc the height of the dialog
 114    Fit();
 115    // and set the width from it
 116    wxSize size = GetClientSize();
 117    SetClientSize(2*size.y, size.y);
 118
 119    Show(TRUE);
 120    Centre(wxCENTER_FRAME | wxBOTH);
 121
 122    if(m_disableParentOnly)
 123       m_parent->Enable(FALSE);
 124    else
 125       wxEnableTopLevelWindows(FALSE);
 126
 127    Enable(TRUE); // enable this window
 128    wxYield();
 129 }
 130
 131
 132 bool
 133 wxProgressDialog::Update(int value, const wxString& newmsg)
 134 {
 135    wxASSERT_MSG( value == -1 || m_gauge, _T("can't update non existent dialog") );
 136    wxASSERT_MSG( value < m_maximum, _T("invalid progress value") );
 137
 138
 139    if( m_gauge )
 140       m_gauge->SetValue(value + 1);
 141
 142    if( !newmsg.IsEmpty() )
 143       m_msg->SetLabel(newmsg);
 144
 145    if ( (value == m_maximum - 1) && !(GetWindowStyleFlag() & wxPD_AUTO_HIDE) )
 146    {
 147        if ( m_btnAbort )
 148        {
 149            // tell the user what he should do...
 150            m_btnAbort->SetLabel(_("Close"));
 151        }
 152
 153        if ( !newmsg )
 154        {
 155            // also provide the finishing message if the application didn't
 156            m_msg->SetLabel(_("Done."));
 157        }
 158
 159        m_state = Finished;
 160
 161        // so that we return TRUE below
 162        m_state = Finished;
 163    }
 164
 165    return m_state != Canceled;
 166 }
 167
 168 void wxProgressDialog::OnClose(wxCloseEvent& event)
 169 {
 170    if ( m_state == Uncancelable )
 171       event.Veto(TRUE);
 172    else
 173       m_state = Canceled;
 174 }
 175
 176
 177 wxProgressDialog::~wxProgressDialog()
 178 {
 179    if ( m_disableParentOnly )
 180       m_parent->Enable(TRUE);
 181    else
 182       wxEnableTopLevelWindows(TRUE);
 183 }
 184
 185 #endif