// Created: 09.05.1999
// RCS-ID: $Id$
// Copyright: (c) Karsten Ballüder
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "progdlgg.h"
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+ #pragma implementation "progdlgg.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
+#if wxUSE_PROGRESSDLG
+
#ifndef WX_PRECOMP
-#include "wx/utils.h"
-#include "wx/frame.h"
-#include "wx/button.h"
-#include "wx/stattext.h"
-#include "wx/layout.h"
-#include "wx/event.h"
-#include "wx/gauge.h"
-#include "wx/intl.h"
+ #include "wx/utils.h"
+ #include "wx/frame.h"
+ #include "wx/button.h"
+ #include "wx/stattext.h"
+ #include "wx/layout.h"
+ #include "wx/event.h"
+ #include "wx/gauge.h"
+ #include "wx/intl.h"
+ #include "wx/settings.h"
+ #include "wx/dcclient.h"
+ #include "wx/timer.h"
#endif
-#if wxUSE_PROGRESSDLG
-
#include "wx/generic/progdlgg.h"
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
#define LAYOUT_X_MARGIN 8
#define LAYOUT_Y_MARGIN 8
-// wxTextEntryDialog
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
-#if !USE_SHARED_LIBRARY
- BEGIN_EVENT_TABLE(wxProgressDialog, wxFrame)
- EVT_BUTTON(-1, wxProgressDialog::OnCancel)
- EVT_CLOSE(wxProgressDialog::OnClose)
- END_EVENT_TABLE()
+// update the label to show the given time (in seconds)
+static void SetTimeLabel(unsigned long val, wxStaticText *label);
- IMPLEMENT_CLASS(wxProgressDialog, wxFrame)
-#endif
+// ----------------------------------------------------------------------------
+// event tables
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(wxProgressDialog, wxDialog)
+ EVT_BUTTON(wxID_CANCEL, wxProgressDialog::OnCancel)
+
+ EVT_CLOSE(wxProgressDialog::OnClose)
+END_EVENT_TABLE()
+
+IMPLEMENT_CLASS(wxProgressDialog, wxDialog)
+
+// ============================================================================
+// wxProgressDialog implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxProgressDialog creation
+// ----------------------------------------------------------------------------
wxProgressDialog::wxProgressDialog(wxString const &title,
- wxString const &message,
- int maximum,
- wxWindow *parent,
- int style)
+ wxString const &message,
+ int maximum,
+ wxWindow *parent,
+ int style)
+ : wxDialog(parent, -1, title)
{
- bool hasAbortButton = (style & wxPD_CAN_ABORT) != 0;
- m_state = hasAbortButton ? Continue : Uncancelable;
- m_disableParentOnly = (style & wxPD_APP_MODAL) == 0;
- m_parent = parent;
- m_maximum = maximum;
-
- int height = 70; // FIXME arbitrary numbers
- if ( hasAbortButton )
- height += 35;
- wxFrame::Create(m_parent, -1, title,
- wxPoint(0, 0), wxSize(220, height),
- wxDEFAULT_DIALOG_STYLE | style );
-
- wxLayoutConstraints *c;
-
- m_msg = new wxStaticText(this, -1, message);
- c = new wxLayoutConstraints;
- c->left.SameAs(this, wxLeft, 10);
- c->top.SameAs(this, wxTop, 10);
- c->width.AsIs();
- c->height.AsIs();
- m_msg->SetConstraints(c);
-
- if ( maximum > 0 )
- {
- m_gauge = new wxGauge(this, -1, maximum);
- c = new wxLayoutConstraints;
- c->left.SameAs(this, wxLeft, 2*LAYOUT_X_MARGIN);
- c->top.Below(m_msg, 2*LAYOUT_Y_MARGIN);
- c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
- c->height.AsIs();
- m_gauge->SetConstraints(c);
- m_gauge->SetValue(0);
- }
- else
- m_gauge = (wxGauge *)NULL;
-
- if ( hasAbortButton )
- {
- m_btnAbort = new wxButton(this, -1, _("Cancel"));
- c = new wxLayoutConstraints;
- c->centreX.SameAs(this, wxCentreX);
- if(m_gauge)
- c->top.Below(m_gauge, 2*LAYOUT_Y_MARGIN);
- else
- c->top.Below(m_btnAbort, 2*LAYOUT_Y_MARGIN);
- c->width.AsIs();
- c->height.AsIs();
- m_btnAbort->SetConstraints(c);
- }
- else
- m_btnAbort = (wxButton *)NULL;
-
- SetAutoLayout(TRUE);
- Show(TRUE);
- Centre(wxCENTER_FRAME | wxBOTH);
-
- if(m_disableParentOnly)
- m_parent->Enable(FALSE);
- else
- wxEnableTopLevelWindows(FALSE);
- Enable(TRUE); // enable this window
- wxYield();
+ // we may disappear at any moment, let the others know about it
+ SetExtraStyle(GetExtraStyle() | wxWS_EX_TRANSIENT);
+
+ m_windowStyle |= style;
+
+ bool hasAbortButton = (style & wxPD_CAN_ABORT) != 0;
+
+#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
+ // we have to remove the "Close" button from the title bar then as it is
+ // confusing to have it - it doesn't work anyhow
+ //
+ // FIXME: should probably have a (extended?) window style for this
+ if ( !hasAbortButton )
+ {
+ EnableCloseButton(FALSE);
+ }
+#endif // wxMSW
+
+ m_state = hasAbortButton ? Continue : Uncancelable;
+ m_maximum = maximum;
+
+#if defined(__WXMSW__) || defined(__WXPM__)
+ // we can't have values > 65,536 in the progress control under Windows, so
+ // scale everything down
+ m_factor = m_maximum / 65536 + 1;
+ m_maximum /= m_factor;
+#endif // __WXMSW__
+
+ m_parentTop = parent;
+ while ( m_parentTop && m_parentTop->GetParent() )
+ {
+ m_parentTop = m_parentTop->GetParent();
+ }
+
+ wxLayoutConstraints *c;
+
+ wxClientDC dc(this);
+ dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
+ long widthText;
+ dc.GetTextExtent(message, &widthText, NULL, NULL, NULL, NULL);
+
+ m_msg = new wxStaticText(this, -1, message);
+ c = new wxLayoutConstraints;
+ c->left.SameAs(this, wxLeft, 2*LAYOUT_X_MARGIN);
+ c->top.SameAs(this, wxTop, 2*LAYOUT_Y_MARGIN);
+ c->width.AsIs();
+ c->height.AsIs();
+ m_msg->SetConstraints(c);
+
+ wxSize sizeDlg,
+ sizeLabel = m_msg->GetSize();
+ sizeDlg.y = 2*LAYOUT_Y_MARGIN + sizeLabel.y;
+
+ wxWindow *lastWindow = m_msg;
+
+ if ( maximum > 0 )
+ {
+ // note that we can't use wxGA_SMOOTH because it happens to also mean
+ // wxDIALOG_MODAL and will cause the dialog to be modal. Have an extra
+ // style argument to wxProgressDialog, perhaps.
+ m_gauge = new wxGauge(this, -1, m_maximum,
+ wxDefaultPosition, wxDefaultSize,
+ wxGA_HORIZONTAL);
+
+ c = new wxLayoutConstraints;
+ c->left.SameAs(this, wxLeft, 2*LAYOUT_X_MARGIN);
+ c->top.Below(m_msg, 2*LAYOUT_Y_MARGIN);
+ c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
+ c->height.AsIs();
+ m_gauge->SetConstraints(c);
+ m_gauge->SetValue(0);
+ lastWindow = m_gauge;
+
+ wxSize sizeGauge = m_gauge->GetSize();
+ sizeDlg.y += 2*LAYOUT_Y_MARGIN + sizeGauge.y;
+ }
+ else
+ m_gauge = (wxGauge *)NULL;
+
+ // create the estimated/remaining/total time zones if requested
+ m_elapsed = m_estimated = m_remaining = (wxStaticText*)NULL;
+
+ // if we are going to have at least one label, remmeber it in this var
+ wxStaticText *label = NULL;
+
+ // also count how many labels we really have
+ size_t nTimeLabels = 0;
+
+ if ( style & wxPD_ELAPSED_TIME )
+ {
+ nTimeLabels++;
+
+ label =
+ m_elapsed = CreateLabel(_("Elapsed time : "), &lastWindow);
+ }
+
+ if ( style & wxPD_ESTIMATED_TIME )
+ {
+ nTimeLabels++;
+
+ label =
+ m_estimated = CreateLabel(_("Estimated time : "), &lastWindow);
+ }
+
+ if ( style & wxPD_REMAINING_TIME )
+ {
+ nTimeLabels++;
+
+ label =
+ m_remaining = CreateLabel(_("Remaining time : "), &lastWindow);
+ }
+
+ if ( nTimeLabels > 0 )
+ {
+ // set it to the current time
+ m_timeStart = wxGetCurrentTime();
+ sizeDlg.y += nTimeLabels * (label->GetSize().y + LAYOUT_Y_MARGIN);
+ }
+
+ if ( hasAbortButton )
+ {
+ m_btnAbort = new wxButton(this, wxID_CANCEL, _("Cancel"));
+ c = new wxLayoutConstraints;
+
+ // Windows dialogs usually have buttons in the lower right corner
+#if defined(__WXMSW__) || defined(__WXPM__)
+ c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
+#else // !MSW
+ c->centreX.SameAs(this, wxCentreX);
+#endif // MSW/!MSW
+ c->bottom.SameAs(this, wxBottom, 2*LAYOUT_Y_MARGIN);
+
+ c->width.AsIs();
+ c->height.AsIs();
+
+ m_btnAbort->SetConstraints(c);
+
+ sizeDlg.y += 2*LAYOUT_Y_MARGIN + wxButton::GetDefaultSize().y;
+ }
+ else // no "Cancel" button
+ {
+ m_btnAbort = (wxButton *)NULL;
+ }
+
+ SetAutoLayout(TRUE);
+ Layout();
+
+ sizeDlg.y += 2*LAYOUT_Y_MARGIN;
+
+ // try to make the dialog not square but rectangular of reasonabel width
+ sizeDlg.x = (wxCoord)wxMax(widthText, 4*sizeDlg.y/3);
+ sizeDlg.x *= 3;
+ sizeDlg.x /= 2;
+ SetClientSize(sizeDlg);
+
+ Centre(wxCENTER_FRAME | wxBOTH);
+
+ if ( style & wxPD_APP_MODAL )
+ {
+ m_winDisabler = new wxWindowDisabler(this);
+ }
+ else
+ {
+ if ( m_parentTop )
+ m_parentTop->Enable(FALSE);
+ m_winDisabler = NULL;
+ }
+
+ Show(TRUE);
+ Enable(TRUE); // enable this window
+
+ // this one can be initialized even if the others are unknown for now
+ //
+ // NB: do it after calling Layout() to keep the labels correctly aligned
+ if ( m_elapsed )
+ {
+ SetTimeLabel(0, m_elapsed);
+ }
+
+ // Update the display (especially on X, GTK)
+ wxYield();
+
+#ifdef __WXMAC__
+ Update();
+#endif
+}
+
+wxStaticText *wxProgressDialog::CreateLabel(const wxString& text,
+ wxWindow **lastWindow)
+{
+ wxLayoutConstraints *c;
+
+ wxStaticText *label = new wxStaticText(this, -1, _("unknown"));
+ c = new wxLayoutConstraints;
+
+ // VZ: I like the labels be centered - if the others don't mind, you may
+ // remove "#ifdef __WXMSW__" and use it for all ports
+#if defined(__WXMSW__) || defined(__WXPM__) || defined(__WXMAC__)
+ c->left.SameAs(this, wxCentreX, LAYOUT_X_MARGIN);
+#else // !MSW
+ c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
+#endif // MSW/!MSW
+ c->top.Below(*lastWindow, LAYOUT_Y_MARGIN);
+ c->width.AsIs();
+ c->height.AsIs();
+ label->SetConstraints(c);
+
+ wxStaticText *dummy = new wxStaticText(this, -1, text);
+ c = new wxLayoutConstraints;
+ c->right.LeftOf(label);
+ c->top.SameAs(label, wxTop, 0);
+ c->width.AsIs();
+ c->height.AsIs();
+ dummy->SetConstraints(c);
+
+ *lastWindow = label;
+
+ return label;
}
+// ----------------------------------------------------------------------------
+// wxProgressDialog operations
+// ----------------------------------------------------------------------------
bool
wxProgressDialog::Update(int value, const wxString& newmsg)
{
- wxASSERT_MSG( value == -1 || m_gauge, _T("can't update non existent dialog") );
- wxASSERT_MSG( value < m_maximum, _T("invalid progress value") );
-
-
- if( m_gauge )
- m_gauge->SetValue(value + 1);
-
- if( !newmsg.IsEmpty() )
- m_msg->SetLabel(newmsg);
-
- if ( (value == m_maximum - 1) && !(GetWindowStyleFlag() & wxPD_AUTO_HIDE) )
- {
- if ( m_btnAbort )
- {
- // tell the user what he should do...
- m_btnAbort->SetLabel(_("Close"));
- }
-
- if ( !newmsg )
- {
- // also provide the finishing message if the application didn't
- m_msg->SetLabel(_("Done."));
- }
-
- m_state = Finished;
-
- // so that we return TRUE below
- m_state = Finished;
- }
-
- return m_state != Canceled;
+ wxASSERT_MSG( value == -1 || m_gauge, wxT("cannot update non existent dialog") );
+
+#ifdef __WXMSW__
+ value /= m_factor;
+#endif // __WXMSW__
+
+ wxASSERT_MSG( value <= m_maximum, wxT("invalid progress value") );
+
+ if ( m_gauge && value < m_maximum )
+ {
+ m_gauge->SetValue(value + 1);
+ }
+
+ if ( !newmsg.IsEmpty() )
+ {
+ m_msg->SetLabel(newmsg);
+
+ wxYield();
+ }
+
+ if ( (m_elapsed || m_remaining || m_estimated) && (value != 0) )
+ {
+ unsigned long elapsed = wxGetCurrentTime() - m_timeStart;
+ unsigned long estimated = (unsigned long)(( (double) elapsed * m_maximum ) / ((double)value)) ;
+ unsigned long remaining = estimated - elapsed;
+
+ SetTimeLabel(elapsed, m_elapsed);
+ SetTimeLabel(estimated, m_estimated);
+ SetTimeLabel(remaining, m_remaining);
+ }
+
+ if ( value == m_maximum )
+ {
+ // so that we return TRUE below and that out [Cancel] handler knew what
+ // to do
+ m_state = Finished;
+ if( !(GetWindowStyle() & wxPD_AUTO_HIDE) )
+ {
+ if ( m_btnAbort )
+ {
+ // tell the user what he should do...
+ m_btnAbort->SetLabel(_("Close"));
+ }
+#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
+ else // enable the button to give the user a way to close the dlg
+ {
+ EnableCloseButton(TRUE);
+ }
+#endif // __WXMSW__
+
+ if ( !newmsg )
+ {
+ // also provide the finishing message if the application didn't
+ m_msg->SetLabel(_("Done."));
+ }
+
+ wxYield();
+
+ (void)ShowModal();
+ }
+ else // auto hide
+ {
+ // reenable other windows before hiding this one because otherwise
+ // Windows wouldn't give the focus back to the window which had
+ // been previously focused because it would still be disabled
+ ReenableOtherWindows();
+
+ Hide();
+ }
+ }
+ else
+ {
+ // update the display
+ wxYield();
+ }
+
+#ifdef __WXMAC__
+ Update();
+#endif
+
+ return m_state != Canceled;
+}
+
+void wxProgressDialog::Resume()
+{
+ m_state = Continue;
+
+ // it may have been disabled by OnCancel(), so enable it back to let the
+ // user interrupt us again if needed
+ m_btnAbort->Enable();
+}
+
+bool wxProgressDialog::Show( bool show )
+{
+ // reenable other windows before hiding this one because otherwise
+ // Windows wouldn't give the focus back to the window which had
+ // been previously focused because it would still be disabled
+ if(!show)
+ ReenableOtherWindows();
+
+ return wxDialog::Show(show);
+}
+
+// ----------------------------------------------------------------------------
+// event handlers
+// ----------------------------------------------------------------------------
+
+void wxProgressDialog::OnCancel(wxCommandEvent& event)
+{
+ if ( m_state == Finished )
+ {
+ // this means that the count down is already finished and we're being
+ // shown as a modal dialog - so just let the default handler do the job
+ event.Skip();
+ }
+ else
+ {
+ // request to cancel was received, the next time Update() is called we
+ // will handle it
+ m_state = Canceled;
+
+ // update the button state immediately so that the user knows that the
+ // request has been noticed
+ m_btnAbort->Disable();
+ }
}
void wxProgressDialog::OnClose(wxCloseEvent& event)
{
- if ( m_state == Uncancelable )
- event.Veto(TRUE);
- else
- m_state = Canceled;
+ if ( m_state == Uncancelable )
+ {
+ // can't close this dialog
+ event.Veto(TRUE);
+ }
+ else if ( m_state == Finished )
+ {
+ // let the default handler close the window as we already terminated
+ event.Skip();
+ }
+ else
+ {
+ // next Update() will notice it
+ m_state = Canceled;
+ }
}
+// ----------------------------------------------------------------------------
+// destruction
+// ----------------------------------------------------------------------------
wxProgressDialog::~wxProgressDialog()
{
- if ( m_disableParentOnly )
- m_parent->Enable(TRUE);
- else
- wxEnableTopLevelWindows(TRUE);
+ // normally this should have been already done, but just in case
+ ReenableOtherWindows();
}
-#endif
+void wxProgressDialog::ReenableOtherWindows()
+{
+ if ( GetWindowStyle() & wxPD_APP_MODAL )
+ {
+ delete m_winDisabler;
+ m_winDisabler = (wxWindowDisabler *)NULL;
+ }
+ else
+ {
+ if ( m_parentTop )
+ m_parentTop->Enable(TRUE);
+ }
+}
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+static void SetTimeLabel(unsigned long val, wxStaticText *label)
+{
+ if ( label )
+ {
+ wxString s;
+ unsigned long hours = val / 3600;
+ unsigned long minutes = (val % 3600) / 60;
+ unsigned long seconds = val % 60;
+ s.Printf(wxT("%lu:%02lu:%02lu"), hours, minutes, seconds);
+
+ if ( s != label->GetLabel() )
+ label->SetLabel(s);
+ }
+}
+
+#endif // wxUSE_PROGRESSDLG
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