/////////////////////////////////////////////////////////////////////////////
-// Name: progdlgg.h
+// Name: src/generic/progdlgg.cpp
// Purpose: wxProgressDialog class
-// Author: Karsten Ballüder
+// Author: Karsten Ballueder
// Modified by:
// Created: 09.05.1999
// RCS-ID: $Id$
-// Copyright: (c) Karsten Ballüder
-// Licence: wxWindows license
+// Copyright: (c) Karsten Ballueder
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "progdlgg.h"
-#endif
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
// 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/sizer.h"
+ #include "wx/event.h"
+ #include "wx/gauge.h"
+ #include "wx/intl.h"
+ #include "wx/dcclient.h"
+ #include "wx/timer.h"
+ #include "wx/settings.h"
#endif
-#if wxUSE_PROGRESSDLG
+#include "wx/progdlg.h"
+
+// ---------------------------------------------------------------------------
+// macros
+// ---------------------------------------------------------------------------
+
+/* Macro for avoiding #ifdefs when value have to be different depending on size of
+ device we display on - take it from something like wxDesktopPolicy in the future
+ */
+
+#if defined(__SMARTPHONE__)
+ #define wxLARGESMALL(large,small) small
+#else
+ #define wxLARGESMALL(large,small) large
+#endif
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+#define LAYOUT_MARGIN wxLARGESMALL(8,2)
+
+static const int wxID_SKIP = 32000; // whatever
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+// update the label to show the given time (in seconds)
+static void SetTimeLabel(unsigned long val, wxStaticText *label);
+
+// ----------------------------------------------------------------------------
+// event tables
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(wxProgressDialog, wxDialog)
+ EVT_BUTTON(wxID_CANCEL, wxProgressDialog::OnCancel)
+ EVT_BUTTON(wxID_SKIP, wxProgressDialog::OnSkip)
-#include "wx/generic/progdlgg.h"
+ EVT_CLOSE(wxProgressDialog::OnClose)
+END_EVENT_TABLE()
-#define LAYOUT_X_MARGIN 8
-#define LAYOUT_Y_MARGIN 8
+IMPLEMENT_CLASS(wxProgressDialog, wxDialog)
-// wxTextEntryDialog
+// ============================================================================
+// wxProgressDialog implementation
+// ============================================================================
-#if !USE_SHARED_LIBRARY
- BEGIN_EVENT_TABLE(wxProgressDialog, wxFrame)
- EVT_BUTTON(-1, wxProgressDialog::OnCancel)
- EVT_CLOSE(wxProgressDialog::OnClose)
- END_EVENT_TABLE()
+// ----------------------------------------------------------------------------
+// wxProgressDialog creation
+// ----------------------------------------------------------------------------
- IMPLEMENT_CLASS(wxProgressDialog, wxFrame)
+wxProgressDialog::wxProgressDialog(const wxString& title,
+ const wxString& message,
+ int maximum,
+ wxWindow *parent,
+ int style)
+ : wxDialog(GetParentForModalDialog(parent), wxID_ANY, title),
+ m_skip(false),
+ m_delay(3),
+ m_hasAbortButton(false),
+ m_hasSkipButton(false)
+{
+ // we may disappear at any moment, let the others know about it
+ SetExtraStyle(GetExtraStyle() | wxWS_EX_TRANSIENT);
+ m_windowStyle |= style;
+
+ m_hasAbortButton = (style & wxPD_CAN_ABORT) != 0;
+ m_hasSkipButton = (style & wxPD_CAN_SKIP) != 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 ( !m_hasAbortButton )
+ {
+ EnableCloseButton(false);
+ }
+#endif // wxMSW
+
+#if defined(__SMARTPHONE__)
+ SetLeftMenu();
#endif
-wxProgressDialog::wxProgressDialog(wxString const &title,
- wxString const &message,
- int maximum,
- wxWindow *parent,
- int style)
-{
- 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);
-
- 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();
+ m_state = m_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 = wxGetTopLevelParent(parent);
+
+ wxClientDC dc(this);
+ dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
+ wxCoord widthText = 0;
+ dc.GetTextExtent(message, &widthText, NULL, NULL, NULL, NULL);
+
+ // top-level sizerTop
+ wxSizer * const sizerTop = new wxBoxSizer(wxVERTICAL);
+
+ m_msg = new wxStaticText(this, wxID_ANY, message);
+ sizerTop->Add(m_msg, 0, wxLEFT | wxTOP, 2*LAYOUT_MARGIN);
+
+ wxSize sizeLabel = m_msg->GetSize();
+ if ( maximum > 0 )
+ {
+ int gauge_style = wxGA_HORIZONTAL;
+ if ( style & wxPD_SMOOTH )
+ gauge_style |= wxGA_SMOOTH;
+ m_gauge = new wxGauge
+ (
+ this,
+ wxID_ANY,
+ m_maximum,
+ wxDefaultPosition,
+ // make the progress bar sufficiently long
+ wxSize(wxMin(wxGetClientDisplayRect().width/3, 300), -1),
+ gauge_style
+ );
+
+ sizerTop->Add(m_gauge, 0, wxLEFT | wxRIGHT | wxTOP | wxEXPAND, 2*LAYOUT_MARGIN);
+ m_gauge->SetValue(0);
+ }
+ else
+ {
+ m_gauge = NULL;
+ }
+
+ // create the estimated/remaining/total time zones if requested
+ m_elapsed =
+ m_estimated =
+ m_remaining = NULL;
+ m_display_estimated =
+ m_last_timeupdate =
+ m_break = 0;
+ m_ctdelay = 0;
+
+ // also count how many labels we really have
+ size_t nTimeLabels = 0;
+
+ wxSizer * const sizerLabels = new wxFlexGridSizer(2);
+
+ if ( style & wxPD_ELAPSED_TIME )
+ {
+ nTimeLabels++;
+
+ m_elapsed = CreateLabel(_("Elapsed time:"), sizerLabels);
+ }
+
+ if ( style & wxPD_ESTIMATED_TIME )
+ {
+ nTimeLabels++;
+
+ m_estimated = CreateLabel(_("Estimated time:"), sizerLabels);
+ }
+
+ if ( style & wxPD_REMAINING_TIME )
+ {
+ nTimeLabels++;
+
+ m_remaining = CreateLabel(_("Remaining time:"), sizerLabels);
+ }
+ sizerTop->Add(sizerLabels, 0, wxALIGN_CENTER_HORIZONTAL | wxTOP, LAYOUT_MARGIN);
+
+ if ( nTimeLabels > 0 )
+ {
+ // set it to the current time
+ m_timeStart = wxGetCurrentTime();
+ }
+
+#if defined(__SMARTPHONE__)
+ if ( m_hasSkipButton )
+ SetRightMenu(wxID_SKIP, _("Skip"));
+ if ( m_hasAbortButton )
+ SetLeftMenu(wxID_CANCEL);
+#else
+ m_btnAbort =
+ m_btnSkip = NULL;
+
+ wxBoxSizer *buttonSizer = new wxBoxSizer(wxHORIZONTAL);
+
+ // Windows dialogs usually have buttons in the lower right corner
+ const int sizerFlags =
+#if defined(__WXMSW__) || defined(__WXPM__)
+ wxALIGN_RIGHT | wxALL
+#else // !MSW
+ wxALIGN_CENTER_HORIZONTAL | wxBOTTOM | wxTOP
+#endif // MSW/!MSW
+ ;
+
+ if ( m_hasSkipButton )
+ {
+ m_btnSkip = new wxButton(this, wxID_SKIP, _("&Skip"));
+
+ buttonSizer->Add(m_btnSkip, 0, sizerFlags, LAYOUT_MARGIN);
+ }
+
+ if ( m_hasAbortButton )
+ {
+ m_btnAbort = new wxButton(this, wxID_CANCEL);
+
+ buttonSizer->Add(m_btnAbort, 0, sizerFlags, LAYOUT_MARGIN);
+ }
+
+ sizerTop->Add(buttonSizer, 0, sizerFlags, LAYOUT_MARGIN );
+#endif // __SMARTPHONE__/!__SMARTPHONE__
+
+ SetSizerAndFit(sizerTop);
+
+ Centre(wxCENTER_FRAME | wxBOTH);
+
+ if ( style & wxPD_APP_MODAL )
+ {
+ m_winDisabler = new wxWindowDisabler(this);
+ }
+ else
+ {
+ if ( m_parentTop )
+ m_parentTop->Disable();
+ m_winDisabler = NULL;
+ }
+
+ Show();
+ Enable();
+
+ // 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();
}
+wxStaticText *
+wxProgressDialog::CreateLabel(const wxString& text, wxSizer *sizer)
+{
+ wxStaticText *label = new wxStaticText(this, wxID_ANY, text);
+ wxStaticText *value = new wxStaticText(this, wxID_ANY, _("unknown"));
+
+ // select placement most native or nice on target GUI
+#if defined(__SMARTPHONE__)
+ // value and time to the left in two rows
+ sizer->Add(label, 1, wxALIGN_LEFT);
+ sizer->Add(value, 1, wxALIGN_LEFT);
+#elif defined(__WXMSW__) || defined(__WXPM__) || defined(__WXMAC__) || defined(__WXGTK20__)
+ // value and time centered in one row
+ sizer->Add(label, 1, wxLARGESMALL(wxALIGN_RIGHT,wxALIGN_LEFT) | wxTOP | wxRIGHT, LAYOUT_MARGIN);
+ sizer->Add(value, 1, wxALIGN_LEFT | wxTOP, LAYOUT_MARGIN);
+#else
+ // value and time to the right in one row
+ sizer->Add(label);
+ sizer->Add(value, 0, wxLEFT, LAYOUT_MARGIN);
+#endif
+
+ return value;
+}
+
+// ----------------------------------------------------------------------------
+// wxProgressDialog operations
+// ----------------------------------------------------------------------------
bool
-wxProgressDialog::Update(int value, const wxString& newmsg)
+wxProgressDialog::Update(int value, const wxString& newmsg, bool *skip)
+{
+ 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 )
+ m_gauge->SetValue(value);
+
+ UpdateMessage(newmsg);
+
+ if ( (m_elapsed || m_remaining || m_estimated) && (value != 0) )
+ {
+ unsigned long elapsed = wxGetCurrentTime() - m_timeStart;
+ if ( m_last_timeupdate < elapsed
+ || value == m_maximum
+ )
+ {
+ m_last_timeupdate = elapsed;
+ unsigned long estimated = m_break +
+ (unsigned long)(( (double) (elapsed-m_break) * m_maximum ) / ((double)value)) ;
+ if ( estimated > m_display_estimated
+ && m_ctdelay >= 0
+ )
+ {
+ ++m_ctdelay;
+ }
+ else if ( estimated < m_display_estimated
+ && m_ctdelay <= 0
+ )
+ {
+ --m_ctdelay;
+ }
+ else
+ {
+ m_ctdelay = 0;
+ }
+ if ( m_ctdelay >= m_delay // enough confirmations for a higher value
+ || m_ctdelay <= (m_delay*-1) // enough confirmations for a lower value
+ || value == m_maximum // to stay consistent
+ || elapsed > m_display_estimated // to stay consistent
+ || ( elapsed > 0 && elapsed < 4 ) // additional updates in the beginning
+ )
+ {
+ m_display_estimated = estimated;
+ m_ctdelay = 0;
+ }
+ }
+
+ long display_remaining = m_display_estimated - elapsed;
+ if ( display_remaining < 0 )
+ {
+ display_remaining = 0;
+ }
+
+ SetTimeLabel(elapsed, m_elapsed);
+ SetTimeLabel(m_display_estimated, m_estimated);
+ SetTimeLabel(display_remaining, m_remaining);
+ }
+
+ if ( value == m_maximum )
+ {
+ if ( m_state == Finished )
+ {
+ // ignore multiple calls to Update(m_maximum): it may sometimes be
+ // troublesome to ensure that Update() is not called twice with the
+ // same value (e.g. because of the rounding errors) and if we don't
+ // return now we're going to generate asserts below
+ return true;
+ }
+
+ // so that we return true below and that out [Cancel] handler knew what
+ // to do
+ m_state = Finished;
+ if( !(GetWindowStyle() & wxPD_AUTO_HIDE) )
+ {
+ EnableClose();
+ DisableSkip();
+#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
+ EnableCloseButton();
+#endif // __WXMSW__
+
+ if ( newmsg.empty() )
+ {
+ // also provide the finishing message if the application didn't
+ m_msg->SetLabel(_("Done."));
+ }
+
+ wxYieldIfNeeded() ;
+
+ (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 // not at maximum yet
+ {
+ return DoAfterUpdate(skip);
+ }
+
+ // update the display in case yielding above didn't do it
+ Update();
+
+ return m_state != Canceled;
+}
+
+bool wxProgressDialog::Pulse(const wxString& newmsg, bool *skip)
{
- wxASSERT_MSG( value == -1 || m_gauge, _T("can't update non existent dialog") );
- wxASSERT_MSG( value < m_maximum, _T("invalid progress value") );
+ wxASSERT_MSG( m_gauge, wxT("cannot update non existent dialog") );
- if( m_gauge )
- m_gauge->SetValue(value + 1);
- if( !newmsg.IsEmpty() )
- m_msg->SetLabel(newmsg);
- wxYield();
+ // show a bit of progress
+ m_gauge->Pulse();
- if ( (value == m_maximum - 1) && !(GetWindowStyleFlag() & wxPD_AUTO_HIDE) )
- {
- if ( m_btnAbort )
- {
- // tell the user what he should do...
- m_btnAbort->SetLabel(_("Close"));
- }
+ UpdateMessage(newmsg);
- if ( !newmsg )
- {
- // also provide the finishing message if the application didn't
- m_msg->SetLabel(_("Done."));
- }
+ if (m_elapsed || m_remaining || m_estimated)
+ {
+ unsigned long elapsed = wxGetCurrentTime() - m_timeStart;
- m_state = Finished;
- while ( m_state != Canceled ) // set from OnClose()
- wxYield();
+ SetTimeLabel(elapsed, m_elapsed);
+ SetTimeLabel((unsigned long)-1, m_estimated);
+ SetTimeLabel((unsigned long)-1, m_remaining);
+ }
- // so that we return TRUE below
- m_state = Finished;
- }
+ return DoAfterUpdate(skip);
+}
- return m_state != Canceled;
+bool wxProgressDialog::DoAfterUpdate(bool *skip)
+{
+ // we have to yield because not only we want to update the display but
+ // also to process the clicks on the cancel and skip buttons
+ wxYieldIfNeeded();
+
+ Update();
+
+ if ( m_skip && skip && !*skip )
+ {
+ *skip = true;
+ m_skip = false;
+ EnableSkip();
+ }
+
+ return m_state != Canceled;
+}
+
+void wxProgressDialog::Resume()
+{
+ m_state = Continue;
+ m_ctdelay = m_delay; // force an update of the elapsed/estimated/remaining time
+ m_break += wxGetCurrentTime()-m_timeStop;
+
+ EnableAbort();
+ EnableSkip();
+ m_skip = false;
+}
+
+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 buttons state immediately so that the user knows that the
+ // request has been noticed
+ DisableAbort();
+ DisableSkip();
+
+ // save the time when the dialog was stopped
+ m_timeStop = wxGetCurrentTime();
+ }
+}
+
+void wxProgressDialog::OnSkip(wxCommandEvent& WXUNUSED(event))
+{
+ DisableSkip();
+ m_skip = true;
}
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();
+ }
+ 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;
+ DisableAbort();
+ DisableSkip();
+
+ m_timeStop = wxGetCurrentTime();
+ }
}
+// ----------------------------------------------------------------------------
+// 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();
+}
+
+void wxProgressDialog::ReenableOtherWindows()
+{
+ if ( GetWindowStyle() & wxPD_APP_MODAL )
+ {
+ delete m_winDisabler;
+ m_winDisabler = (wxWindowDisabler *)NULL;
+ }
+ else
+ {
+ if ( m_parentTop )
+ m_parentTop->Enable();
+ }
+}
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+static void SetTimeLabel(unsigned long val, wxStaticText *label)
+{
+ if ( label )
+ {
+ wxString s;
+
+ if (val != (unsigned long)-1)
+ {
+ 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);
+ }
+ else
+ {
+ s = _("Unknown");
+ }
+
+ if ( s != label->GetLabel() )
+ label->SetLabel(s);
+ }
+}
+
+void wxProgressDialog::EnableSkip(bool enable)
+{
+ if(m_hasSkipButton)
+ {
+#ifdef __SMARTPHONE__
+ if(enable)
+ SetRightMenu(wxID_SKIP, _("Skip"));
+ else
+ SetRightMenu();
+#else
+ if(m_btnSkip)
+ m_btnSkip->Enable(enable);
+#endif
+ }
}
+void wxProgressDialog::EnableAbort(bool enable)
+{
+ if(m_hasAbortButton)
+ {
+#ifdef __SMARTPHONE__
+ if(enable)
+ SetLeftMenu(wxID_CANCEL); // stock buttons makes Cancel label
+ else
+ SetLeftMenu();
+#else
+ if(m_btnAbort)
+ m_btnAbort->Enable(enable);
#endif
+ }
+}
+
+void wxProgressDialog::EnableClose()
+{
+ if(m_hasAbortButton)
+ {
+#ifdef __SMARTPHONE__
+ SetLeftMenu(wxID_CANCEL, _("Close"));
+#else
+ if(m_btnAbort)
+ {
+ m_btnAbort->Enable();
+ m_btnAbort->SetLabel(_("Close"));
+ }
+#endif
+ }
+}
+
+void wxProgressDialog::UpdateMessage(const wxString &newmsg)
+{
+ if ( !newmsg.empty() && newmsg != m_msg->GetLabel() )
+ {
+ m_msg->SetLabel(newmsg);
+
+ wxYieldIfNeeded() ;
+ }
+}
+
+#endif // wxUSE_PROGRESSDLG
projects / wxWidgets.git / blobdiff