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