X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e90c1d2a19361551eb07778280f22be3e759cf64..13a5a49f36fee7a8afc237b2fe254a6db9663371:/src/generic/progdlgg.cpp diff --git a/src/generic/progdlgg.cpp b/src/generic/progdlgg.cpp index fffb684cc3..b8010a4813 100644 --- a/src/generic/progdlgg.cpp +++ b/src/generic/progdlgg.cpp @@ -6,7 +6,7 @@ // Created: 09.05.1999 // RCS-ID: $Id$ // Copyright: (c) Karsten Ballüder -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,7 +17,7 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "progdlgg.h" #endif @@ -35,7 +35,7 @@ #include "wx/frame.h" #include "wx/button.h" #include "wx/stattext.h" - #include "wx/layout.h" + #include "wx/sizer.h" #include "wx/event.h" #include "wx/gauge.h" #include "wx/intl.h" @@ -46,12 +46,25 @@ #include "wx/generic/progdlgg.h" +// --------------------------------------------------------------------------- +// macros +// --------------------------------------------------------------------------- + +/* Macro for avoiding #ifdefs when value have to be different depending on size of + device we display on + */ + +#if defined(__SMARTPHONE__) + #define wxLARGESMALL(large,small) small +#else + #define wxLARGESMALL(large,small) large +#endif + // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- -#define LAYOUT_X_MARGIN 8 -#define LAYOUT_Y_MARGIN 8 +#define LAYOUT_MARGIN wxLARGESMALL(8,2) // ---------------------------------------------------------------------------- // private functions @@ -64,21 +77,20 @@ static void SetTimeLabel(unsigned long val, wxStaticText *label); // event tables // ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY - BEGIN_EVENT_TABLE(wxProgressDialog, wxDialog) - EVT_BUTTON(wxID_CANCEL, wxProgressDialog::OnCancel) - EVT_CLOSE(wxProgressDialog::OnClose) - END_EVENT_TABLE() +BEGIN_EVENT_TABLE(wxProgressDialog, wxDialog) + EVT_BUTTON(wxID_CANCEL, wxProgressDialog::OnCancel) - IMPLEMENT_CLASS(wxProgressDialog, wxDialog) -#endif + EVT_CLOSE(wxProgressDialog::OnClose) +END_EVENT_TABLE() + +IMPLEMENT_CLASS(wxProgressDialog, wxDialog) // ============================================================================ -// implementation +// wxProgressDialog implementation // ============================================================================ // ---------------------------------------------------------------------------- -// wxProgressDialog +// wxProgressDialog creation // ---------------------------------------------------------------------------- wxProgressDialog::wxProgressDialog(wxString const &title, @@ -86,235 +98,371 @@ wxProgressDialog::wxProgressDialog(wxString const &title, int maximum, wxWindow *parent, int style) - : wxDialog(parent, -1, title) + : wxDialog(parent, wxID_ANY, title), + m_delay(3) { + // 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 + +#if defined(__SMARTPHONE__) + SetLeftMenu(); +#endif + m_state = hasAbortButton ? Continue : Uncancelable; - m_disableParentOnly = (style & wxPD_APP_MODAL) == 0; - m_AutoHide = (style & wxPD_AUTO_HIDE) != 0; - m_parent = parent; m_maximum = maximum; - wxLayoutConstraints *c; +#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::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); + dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); long widthText; -#if defined(__VISAGECPP__) -// have two versions of this in wxWindowDC tp avoid function hiding -// since there are two of these in wxDCBase, and in turn in wxDC. -// VA cannot resolve this so: dc.GetTextExtent(message, &widthText, NULL, NULL, NULL, NULL); -#else - dc.GetTextExtent(message, &widthText, (long*)NULL); -#endif - 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); + wxBoxSizer *sizer = new wxBoxSizer(wxVERTICAL); - wxSize sizeDlg, sizeLabel = m_msg->GetSize(); - sizeDlg.y = 2*LAYOUT_Y_MARGIN + sizeLabel.y; + m_msg = new wxStaticText(this, wxID_ANY, message); + sizer->Add(m_msg, 0, wxLEFT | wxTOP, 2*LAYOUT_MARGIN); - wxWindow *lastWindow = m_msg; + wxSize sizeDlg, + sizeLabel = m_msg->GetSize(); + sizeDlg.y = 2*LAYOUT_MARGIN + sizeLabel.y; if ( maximum > 0 ) { - m_gauge = new wxGauge(this, -1, maximum, - wxDefaultPosition, wxDefaultSize, - wxGA_HORIZONTAL | wxRAISED_BORDER); - 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); + // note that we can't use wxGA_SMOOTH because it happens to + // cause the dialog to be modal. Have an extra + // style argument to wxProgressDialog, perhaps. + m_gauge = new wxGauge(this, wxID_ANY, m_maximum, + wxDefaultPosition, wxDefaultSize, + wxGA_HORIZONTAL); + + sizer->Add(m_gauge, 0, wxLEFT | wxRIGHT | wxTOP | wxEXPAND, 2*LAYOUT_MARGIN); m_gauge->SetValue(0); - lastWindow = m_gauge; wxSize sizeGauge = m_gauge->GetSize(); - sizeDlg.y += 2*LAYOUT_Y_MARGIN + sizeGauge.y; + sizeDlg.y += 2*LAYOUT_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; + m_display_estimated = m_last_timeupdate = m_break = 0; + m_ctdelay = 0; + + // 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; - int nTimeLabels = 0; if ( style & wxPD_ELAPSED_TIME ) { nTimeLabels++; - m_elapsed = CreateLabel(T("Elapsed time : "), &lastWindow); + label = + m_elapsed = CreateLabel(_("Elapsed time : "), sizer); } if ( style & wxPD_ESTIMATED_TIME ) { nTimeLabels++; - m_estimated = CreateLabel(T("Estimated time : "), &lastWindow); + label = + m_estimated = CreateLabel(_("Estimated time : "), sizer); } if ( style & wxPD_REMAINING_TIME ) { nTimeLabels++; - m_remaining = CreateLabel(T("Remaining time : "), &lastWindow); + label = + m_remaining = CreateLabel(_("Remaining time : "), sizer); } if ( nTimeLabels > 0 ) { // set it to the current time m_timeStart = wxGetCurrentTime(); - - sizeDlg.y += nTimeLabels * (sizeLabel.y + LAYOUT_Y_MARGIN); + sizeDlg.y += nTimeLabels * (label->GetSize().y + LAYOUT_MARGIN); } if ( hasAbortButton ) { - m_btnAbort = new wxButton(this, wxID_CANCEL, _("Cancel")); - c = new wxLayoutConstraints; +#if defined(__SMARTPHONE__) + SetLeftMenu(wxID_CANCEL, _("Cancel")); + } +#else + m_btnAbort = new wxButton(this, wxID_CANCEL); // Windows dialogs usually have buttons in the lower right corner -#ifdef __WXMSW__ - c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN); +#if defined(__WXMSW__) || defined(__WXPM__) + sizer->Add(m_btnAbort, 0, wxALIGN_RIGHT | wxALL, 2*LAYOUT_MARGIN); #else // !MSW - c->centreX.SameAs(this, wxCentreX); + sizer->Add(m_btnAbort, 0, wxALIGN_CENTER_HORIZONTAL | wxBOTTOM | wxTOP, 2*LAYOUT_MARGIN); #endif // MSW/!MSW - c->bottom.SameAs(this, wxBottom, 2*LAYOUT_Y_MARGIN); - - wxSize sizeBtn = wxButton::GetDefaultSize(); - c->width.Absolute(sizeBtn.x); - c->height.Absolute(sizeBtn.y); - - m_btnAbort->SetConstraints(c); - - sizeDlg.y += 2*LAYOUT_Y_MARGIN + sizeBtn.y; + sizeDlg.y += 2*LAYOUT_MARGIN + wxButton::GetDefaultSize().y; } - else + else // no "Cancel" button +#endif // __SMARTPHONE__/!__SMARTPHONE__ + { m_btnAbort = (wxButton *)NULL; + } - SetAutoLayout(TRUE); - Layout(); + SetSizerAndFit(sizer); - sizeDlg.y += 2*LAYOUT_Y_MARGIN; + sizeDlg.y += 2*LAYOUT_MARGIN; // try to make the dialog not square but rectangular of reasonabel width - sizeDlg.x = wxMax(widthText, 4*sizeDlg.y/3); + sizeDlg.x = (wxCoord)wxMax(widthText, 4*sizeDlg.y/3); sizeDlg.x *= 3; sizeDlg.x /= 2; SetClientSize(sizeDlg); Centre(wxCENTER_FRAME | wxBOTH); - if (m_disableParentOnly ) + if ( style & wxPD_APP_MODAL ) { - if ( m_parent ) - m_parent->Enable(FALSE); + m_winDisabler = new wxWindowDisabler(this); } else { - wxEnableTopLevelWindows(FALSE); + if ( m_parentTop ) + m_parentTop->Disable(); + m_winDisabler = NULL; } - Show(TRUE); - Enable(TRUE); // enable this window + 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 the display (especially on X, GTK) - wxYield(); + Update(); } wxStaticText *wxProgressDialog::CreateLabel(const wxString& text, - wxWindow **lastWindow) + wxSizer *sizer) { - wxLayoutConstraints *c; + wxBoxSizer *locsizer = new wxBoxSizer(wxLARGESMALL(wxHORIZONTAL,wxVERTICAL)); + + wxStaticText *dummy = new wxStaticText(this, wxID_ANY, text); + wxStaticText *label = new wxStaticText(this, wxID_ANY, _("unknown")); + + // select placement most native or nice on target GUI +#if defined(__SMARTPHONE__) + // label and time to the left in two rows + locsizer->Add(dummy, 1, wxALIGN_LEFT); + locsizer->Add(label, 1, wxALIGN_LEFT); + sizer->Add(locsizer, 0, wxALIGN_LEFT | wxTOP | wxLEFT, LAYOUT_MARGIN); +#elif defined(__WXMSW__) || defined(__WXPM__) || defined(__WXMAC__) + // label and time centered in one row + locsizer->Add(dummy, 1, wxLARGESMALL(wxALIGN_RIGHT,wxALIGN_LEFT)); + locsizer->Add(label, 1, wxALIGN_LEFT | wxLEFT, LAYOUT_MARGIN); + sizer->Add(locsizer, 0, wxALIGN_CENTER_HORIZONTAL | wxTOP, LAYOUT_MARGIN); +#else + // label and time to the right in one row + sizer->Add(locsizer, 0, wxALIGN_RIGHT | wxRIGHT | wxTOP, LAYOUT_MARGIN); + locsizer->Add(dummy); + locsizer->Add(label, 0, wxLEFT, LAYOUT_MARGIN); +#endif + + return label; +} - wxStaticText *label = new wxStaticText(this, -1, T("unknown")); - c = new wxLayoutConstraints; +// ---------------------------------------------------------------------------- +// wxProgressDialog operations +// ---------------------------------------------------------------------------- + +bool +wxProgressDialog::Update(int value, const wxString& newmsg) +{ + wxASSERT_MSG( value == -1 || m_gauge, wxT("cannot update non existent dialog") ); - // VZ: I like the labels be centered - if the others don't mind, you may - // remove "#ifdef __WXMSW__" and use it for all ports #ifdef __WXMSW__ - 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); + value /= m_factor; +#endif // __WXMSW__ - 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); + wxASSERT_MSG( value <= m_maximum, wxT("invalid progress value") ); - *lastWindow = label; + // fill up the gauge if value == maximum because this means that the dialog + // is going to close and the gauge shouldn't be partly empty in this case + if ( m_gauge && value <= m_maximum ) + { + m_gauge->SetValue(value == m_maximum ? value : value + 1); + } - return label; + if ( !newmsg.IsEmpty() ) + { + m_msg->SetLabel(newmsg); + + wxYieldIfNeeded() ; + } + + 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) ) + { +#if defined(__SMARTPHONE__) + SetLeftMenu(wxID_CANCEL, _("Close")); +#endif + 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(); + } +#endif // __WXMSW__ + + if ( !newmsg ) + { + // 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 + { + // we have to yield because not only we want to update the display but + // also to process the clicks on the cancel button + wxYieldIfNeeded() ; + } + + // update the display in case yielding above didn't do it + Update(); + + return m_state != Canceled; } -bool -wxProgressDialog::Update(int value, const wxString& newmsg) +void wxProgressDialog::Resume() +{ + m_state = Continue; + m_ctdelay = m_delay; // force an update of the elapsed/estimated/remaining time + m_break += wxGetCurrentTime()-m_timeStop; + + // it may have been disabled by OnCancel(), so enable it back to let the + // user interrupt us again if needed + if(m_btnAbort) + m_btnAbort->Enable(); +#if defined(__SMARTPHONE__) + SetLeftMenu(wxID_CANCEL, _("Cancel")); +#endif +} + +bool wxProgressDialog::Show( bool show ) { - wxASSERT_MSG( value == -1 || m_gauge, T("cannot 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 ( (m_elapsed || m_remaining || m_estimated) && (value != 0) ) - { - unsigned long elapsed = wxGetCurrentTime() - m_timeStart; - unsigned long estimated = elapsed * m_maximum / value; - unsigned long remaining = estimated - elapsed; - - SetTimeLabel(elapsed, m_elapsed); - SetTimeLabel(estimated, m_estimated); - SetTimeLabel(remaining, m_remaining); - } - - if ( (value == m_maximum ) && !m_AutoHide ) - { - 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.")); - } - - // so that we return TRUE below and that out [Cancel] handler knew what - // to do - m_state = Finished; - - wxYield(); - - (void)ShowModal(); - } - else - { - // update the display - wxYield(); - } - - return m_state != Canceled; + // 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); } // ---------------------------------------------------------------------------- @@ -334,15 +482,44 @@ void wxProgressDialog::OnCancel(wxCommandEvent& event) // 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 + if(m_btnAbort) + m_btnAbort->Disable(); + +#if defined(__SMARTPHONE__) + SetLeftMenu(); +#endif + + // save the time when the dialog was stopped + m_timeStop = wxGetCurrentTime(); } } void wxProgressDialog::OnClose(wxCloseEvent& event) { if ( m_state == Uncancelable ) - event.Veto(TRUE); + { + // 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; + if(m_btnAbort) + m_btnAbort->Disable(); +#if defined(__SMARTPHONE__) + SetLeftMenu(); +#endif + m_timeStop = wxGetCurrentTime(); + } } // ---------------------------------------------------------------------------- @@ -351,14 +528,21 @@ void wxProgressDialog::OnClose(wxCloseEvent& event) wxProgressDialog::~wxProgressDialog() { - if ( m_disableParentOnly ) + // normally this should have been already done, but just in case + ReenableOtherWindows(); +} + +void wxProgressDialog::ReenableOtherWindows() +{ + if ( GetWindowStyle() & wxPD_APP_MODAL ) { - if ( m_parent ) - m_parent->Enable(TRUE); + delete m_winDisabler; + m_winDisabler = (wxWindowDisabler *)NULL; } else { - wxEnableTopLevelWindows(TRUE); + if ( m_parentTop ) + m_parentTop->Enable(); } } @@ -374,7 +558,7 @@ static void SetTimeLabel(unsigned long val, wxStaticText *label) unsigned long hours = val / 3600; unsigned long minutes = (val % 3600) / 60; unsigned long seconds = val % 60; - s.Printf(T("%lu:%02lu:%02lu"), hours, minutes, seconds); + s.Printf(wxT("%lu:%02lu:%02lu"), hours, minutes, seconds); if ( s != label->GetLabel() ) label->SetLabel(s);