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     #include "wx/dcclient.h"
  34 #endif
  35
  36 #if wxUSE_PROGRESSDLG
  37
  38 #include "wx/generic/progdlgg.h"
  39
  40 #define LAYOUT_X_MARGIN 8
  41 #define LAYOUT_Y_MARGIN 8
  42
  43 // wxTextEntryDialog
  44
  45 #if !USE_SHARED_LIBRARY
  46     BEGIN_EVENT_TABLE(wxProgressDialog, wxFrame)
  47        EVT_BUTTON(-1, wxProgressDialog::OnCancel)
  48        EVT_CLOSE(wxProgressDialog::OnClose)
  49     END_EVENT_TABLE()
  50
  51     IMPLEMENT_CLASS(wxProgressDialog, wxFrame)
  52 #endif
  53
  54 wxProgressDialog::wxProgressDialog(wxString const &title,
  55                                  wxString const &message,
  56                                  int maximum,
  57                                  wxWindow *parent,
  58                                  int style)
  59 {
  60    wxWindow *lastWindow = NULL;
  61    bool hasAbortButton = (style & wxPD_CAN_ABORT) != 0;
  62    m_state = hasAbortButton ? Continue : Uncancelable;
  63    m_disableParentOnly = (style & wxPD_APP_MODAL) == 0;
  64    m_parent = parent;
  65    m_maximum = maximum;
  66
  67    m_elapsed = m_estimated = m_remaining = NULL;
  68    if ((style & (wxPD_ELAPSED_TIME | wxPD_ESTIMATED_TIME |
  69                  wxPD_REMAINING_TIME)) != 0)
  70       m_time = new wxTime;
  71    else
  72       m_time = NULL;
  73
  74    wxFrame::Create(m_parent, -1, title, wxDefaultPosition,
  75                    wxDefaultSize, wxDEFAULT_DIALOG_STYLE);
  76    SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
  77
  78    wxLayoutConstraints *c;
  79
  80    wxClientDC dc(this);
  81    dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
  82    long widthText;
  83    dc.GetTextExtent(message, &widthText, NULL);
  84
  85    m_msg = new wxStaticText(this, -1, message);
  86    c = new wxLayoutConstraints;
  87    c->left.SameAs(this, wxLeft, 2*LAYOUT_X_MARGIN);
  88    c->top.SameAs(this, wxTop, 2*LAYOUT_Y_MARGIN);
  89    c->width.AsIs();
  90    c->height.AsIs();
  91    m_msg->SetConstraints(c);
  92    lastWindow = m_msg;
  93
  94    if ( maximum > 0 )
  95    {
  96       m_gauge = new wxGauge(this, -1, maximum,
  97                             wxDefaultPosition, wxDefaultSize,
  98                             wxGA_HORIZONTAL | wxRAISED_BORDER);
  99       c = new wxLayoutConstraints;
 100       c->left.SameAs(this, wxLeft, 2*LAYOUT_X_MARGIN);
 101       c->top.Below(m_msg, 2*LAYOUT_Y_MARGIN);
 102       c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
 103       c->height.AsIs();
 104       m_gauge->SetConstraints(c);
 105       m_gauge->SetValue(0);
 106       lastWindow = m_gauge;
 107    }
 108    else
 109       m_gauge = (wxGauge *)NULL;
 110
 111
 112    if ( style & wxPD_ELAPSED_TIME )
 113    {
 114       m_elapsed = new wxStaticText(this, -1, "");
 115       c = new wxLayoutConstraints;
 116       c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
 117       c->top.Below(lastWindow, LAYOUT_Y_MARGIN);
 118       c->width.Absolute(60);
 119       c->height.AsIs();
 120       m_elapsed->SetConstraints(c);
 121
 122       wxStaticText *dummy = new wxStaticText(this, -1, _T("Elapsed time : "));
 123       c = new wxLayoutConstraints;
 124       c->right.LeftOf(m_elapsed);
 125       c->top.SameAs(m_elapsed, wxTop, 0);
 126       c->width.AsIs();
 127       c->height.AsIs();
 128       dummy->SetConstraints(c);
 129
 130       lastWindow = m_elapsed;
 131    }
 132
 133    if ( style & wxPD_ESTIMATED_TIME )
 134    {
 135       m_estimated = new wxStaticText(this, -1, "");
 136       c = new wxLayoutConstraints;
 137       c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
 138       c->top.Below(lastWindow, 0);
 139       c->width.Absolute(60);
 140       c->height.AsIs();
 141       m_estimated->SetConstraints(c);
 142
 143       wxStaticText *dummy = new wxStaticText(this, -1, _T("Estimated time : "));
 144       c = new wxLayoutConstraints;
 145       c->right.LeftOf(m_estimated);
 146       c->top.SameAs(m_estimated, wxTop, 0);
 147       c->width.AsIs();
 148       c->height.AsIs();
 149       dummy->SetConstraints(c);
 150
 151       lastWindow = m_estimated;
 152    }
 153
 154    if ( style & wxPD_REMAINING_TIME )
 155    {
 156       m_remaining = new wxStaticText(this, -1, "");
 157       c = new wxLayoutConstraints;
 158       c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
 159       c->top.Below(lastWindow, 0);
 160       c->width.Absolute(60);
 161       c->height.AsIs();
 162       m_remaining->SetConstraints(c);
 163
 164       wxStaticText *dummy = new wxStaticText(this, -1, _T("Remaining time : "));
 165       c = new wxLayoutConstraints;
 166       c->right.LeftOf(m_remaining);
 167       c->top.SameAs(m_remaining, wxTop, 0);
 168       c->width.AsIs();
 169       c->height.AsIs();
 170       dummy->SetConstraints(c);
 171
 172       lastWindow = m_remaining;
 173    }
 174
 175    if ( hasAbortButton )
 176    {
 177       m_btnAbort = new wxButton(this, -1, _("Cancel"));
 178       c = new wxLayoutConstraints;
 179       c->centreX.SameAs(this, wxCentreX);
 180       c->top.Below(lastWindow, 2*LAYOUT_Y_MARGIN);
 181       c->width.AsIs();
 182       c->height.AsIs();
 183       m_btnAbort->SetConstraints(c);
 184    }
 185    else
 186       m_btnAbort = (wxButton *)NULL;
 187
 188    SetAutoLayout(TRUE);
 189    Layout();
 190
 191    // calc the height of the dialog
 192    Fit();
 193    // and set the width from it - unfortunately, Fit() makes the dialog way too
 194    // wide under Windows, so try to find a reasonable value for the width, not
 195    // too big and not too small
 196    wxSize size = GetClientSize();
 197    size.x = wxMax(3*widthText/2, 2*size.y);
 198    SetClientSize(size);
 199
 200    Show(TRUE);
 201    Centre(wxCENTER_FRAME | wxBOTH);
 202
 203    if(m_disableParentOnly)
 204    {
 205       if(m_parent)  m_parent->Enable(FALSE);
 206    }
 207    else
 208       wxEnableTopLevelWindows(FALSE);
 209
 210    Enable(TRUE); // enable this window
 211    wxYield();
 212 }
 213
 214
 215 bool
 216 wxProgressDialog::Update(int value, const wxString& newmsg)
 217 {
 218    wxASSERT_MSG( value == -1 || m_gauge, _T("cannot update non existent dialog") );
 219    wxASSERT_MSG( value <= m_maximum, _T("invalid progress value") );
 220
 221
 222    if( m_gauge )
 223       m_gauge->SetValue(value + 1);
 224
 225    if( !newmsg.IsEmpty() )
 226       m_msg->SetLabel(newmsg);
 227
 228    if ( (m_elapsed || m_remaining || m_estimated) && (value != 0) )
 229    {
 230       wxTime timenow;
 231       wxTime diff = timenow -  *m_time;
 232       unsigned long secs = diff.GetSecond() + 60 * diff.GetMinute() + 60 * 60 * diff.GetHour();
 233       unsigned long estim = secs * m_maximum / value;
 234       unsigned long remai = estim - secs;
 235       wxString s;
 236
 237       if (m_elapsed)
 238       {
 239          s.Printf(_T("%i:%02i:%02i"), diff.GetHour(), diff.GetMinute(), diff.GetSecond());
 240          if (s != m_elapsed->GetLabel()) m_elapsed->SetLabel(s);
 241       }
 242       if (m_estimated)
 243       {
 244          s.Printf(_T("%i:%02i:%02i"), estim / (60 * 60), (estim / 60) % 60, estim % 60);
 245          if (s != m_estimated->GetLabel()) m_estimated->SetLabel(s);
 246       }
 247       if (m_remaining)
 248       {
 249          s.Printf(_T("%i:%02i:%02i"), remai / (60 * 60), (remai / 60) % 60, remai % 60);
 250          if (s != m_remaining->GetLabel()) m_remaining->SetLabel(s);
 251       }
 252    }
 253
 254    if ( (value == m_maximum - 1) && !(GetWindowStyleFlag() & wxPD_AUTO_HIDE) )
 255    {
 256        if ( m_btnAbort )
 257        {
 258            // tell the user what he should do...
 259            m_btnAbort->SetLabel(_("Close"));
 260        }
 261
 262 /*I think the default should be the other way round. If the
 263   application wants to set a "Done." message at the end, it should
 264   supply it. Any serious objections to this change? Makes the
 265   application programmers' work a little easier.
 266   if ( !newmsg )
 267        {
 268            // also provide the finishing message if the application didn't
 269            m_msg->SetLabel(_("Done."));
 270        }
 271 */
 272        m_state = Finished;
 273
 274        // so that we return TRUE below
 275        m_state = Finished;
 276    }
 277    wxYield();
 278    return m_state != Canceled;
 279 }
 280
 281 void wxProgressDialog::OnClose(wxCloseEvent& event)
 282 {
 283    if ( m_state == Uncancelable )
 284       event.Veto(TRUE);
 285    else
 286       m_state = Canceled;
 287 }
 288
 289
 290 wxProgressDialog::~wxProgressDialog()
 291 {
 292    if ( m_disableParentOnly )
 293    {
 294       if(m_parent) m_parent->Enable(TRUE);
 295    }
 296    else
 297       wxEnableTopLevelWindows(TRUE);
 298    if (m_time) delete m_time;
 299 }
 300
 301 #endif