X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9726da4fd35db27e7210488ff431cb7a63f2f1ee..f676b38715b824753e5440f133690b04e3faaf58:/src/generic/progdlgg.cpp diff --git a/src/generic/progdlgg.cpp b/src/generic/progdlgg.cpp index 73f15139db..4bdb7c3fea 100644 --- a/src/generic/progdlgg.cpp +++ b/src/generic/progdlgg.cpp @@ -6,143 +6,501 @@ // Created: 09.05.1999 // RCS-ID: $Id$ // Copyright: (c) Karsten Ballüder -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + #ifdef __GNUG__ -#pragma implementation "progdlgg.h" + #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 #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) +{ + // 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__ + MacUpdateImmediately(); +#endif +} + +wxStaticText *wxProgressDialog::CreateLabel(const wxString& text, + wxWindow **lastWindow) { - bool hasAbortButton = (style & wxPD_CAN_ABORT) != 0; - m_state = hasAbortButton ? Continue : Uncancelable; - m_disableParentOnly = (style & wxPD_APP_MODAL) == 0; - m_parent = parent; - - 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 = NULL; - - if ( hasAbortButton ) - { - wxControl *ctrl = 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(ctrl, 2*LAYOUT_Y_MARGIN); - c->width.AsIs(); - c->height.AsIs(); - ctrl->SetConstraints(c); - } - - SetAutoLayout(TRUE); - Show(TRUE); - Centre(wxCENTER_FRAME | wxBOTH); - - if(m_disableParentOnly) - m_parent->Enable(FALSE); - else - wxEnableTopLevelWindows(FALSE); - Enable(TRUE); // enable this window - wxYield(); + 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__) + 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, "can't update non existent dialog" ); + 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__ + MacUpdateImmediately(); +#endif + + return m_state != Canceled; +} + +void wxProgressDialog::Resume() +{ + m_state = Continue; - if( m_gauge ) - m_gauge->SetValue(value); - if( !newmsg.IsNull() ) - m_msg->SetLabel(newmsg); - wxYield(); + // 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 m_state != Canceled; + 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(); +} + +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