X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a3ab1c18017bb08329e73918f9f502ea00cdb447..6f026b5b63fe7ccb025e84509886f74772b9df13:/src/generic/wizard.cpp diff --git a/src/generic/wizard.cpp b/src/generic/wizard.cpp index 385a10d8b8..25d1a669d0 100644 --- a/src/generic/wizard.cpp +++ b/src/generic/wizard.cpp @@ -8,7 +8,6 @@ // 3) Fixed ShowPage() bug on displaying bitmaps // Robert Vazan (sizers) // Created: 15.08.99 -// RCS-ID: $Id$ // Copyright: (c) 1999 Vadim Zeitlin // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// @@ -41,7 +40,9 @@ #include "wx/statline.h" +#include "wx/scrolwin.h" #include "wx/wizard.h" +#include "wx/dcmemory.h" // ---------------------------------------------------------------------------- // wxWizardSizer @@ -79,11 +80,13 @@ private: // event tables and such // ---------------------------------------------------------------------------- -DEFINE_EVENT_TYPE(wxEVT_WIZARD_PAGE_CHANGED) -DEFINE_EVENT_TYPE(wxEVT_WIZARD_PAGE_CHANGING) -DEFINE_EVENT_TYPE(wxEVT_WIZARD_CANCEL) -DEFINE_EVENT_TYPE(wxEVT_WIZARD_FINISHED) -DEFINE_EVENT_TYPE(wxEVT_WIZARD_HELP) +wxDEFINE_EVENT( wxEVT_WIZARD_PAGE_CHANGED, wxWizardEvent ); +wxDEFINE_EVENT( wxEVT_WIZARD_PAGE_CHANGING, wxWizardEvent ); +wxDEFINE_EVENT( wxEVT_WIZARD_BEFORE_PAGE_CHANGED, wxWizardEvent ); +wxDEFINE_EVENT( wxEVT_WIZARD_CANCEL, wxWizardEvent ); +wxDEFINE_EVENT( wxEVT_WIZARD_FINISHED, wxWizardEvent ); +wxDEFINE_EVENT( wxEVT_WIZARD_HELP, wxWizardEvent ); +wxDEFINE_EVENT( wxEVT_WIZARD_PAGE_SHOWN, wxWizardEvent ); BEGIN_EVENT_TABLE(wxWizard, wxDialog) EVT_BUTTON(wxID_CANCEL, wxWizard::OnCancel) @@ -125,31 +128,17 @@ void wxWizardPage::Init() } wxWizardPage::wxWizardPage(wxWizard *parent, - const wxBitmap& bitmap, - const wxChar *resource) + const wxBitmap& bitmap) { - Create(parent, bitmap, resource); + Create(parent, bitmap); } bool wxWizardPage::Create(wxWizard *parent, - const wxBitmap& bitmap, - const wxChar *resource) + const wxBitmap& bitmap) { if ( !wxPanel::Create(parent, wxID_ANY) ) return false; - if ( resource != NULL ) - { -#if wxUSE_WX_RESOURCES -#if 0 - if ( !LoadFromResource(this, resource) ) - { - wxFAIL_MSG(wxT("wxWizardPage LoadFromResource failed!!!!")); - } -#endif -#endif // wxUSE_RESOURCES - } - m_bitmap = bitmap; // initially the page is hidden, it's shown only when it becomes current @@ -226,11 +215,6 @@ wxSize wxWizardSizer::CalcMin() wxSize wxWizardSizer::GetMaxChildSize() { -#if !defined(__WXDEBUG__) - if ( m_childSize.IsFullySpecified() ) - return m_childSize; -#endif - wxSize maxOfMin; for ( wxSizerItemList::compatibility_iterator childNode = m_children.GetFirst(); @@ -242,18 +226,6 @@ wxSize wxWizardSizer::GetMaxChildSize() maxOfMin.IncTo(SiblingSize(child)); } -#ifdef __WXDEBUG__ - if ( m_childSize.IsFullySpecified() && m_childSize != maxOfMin ) - { - wxFAIL_MSG( _T("Size changed in wxWizard::GetPageAreaSizer()") - _T("after RunWizard().\n") - _T("Did you forget to call GetSizer()->Fit(this) ") - _T("for some page?")) ; - - return m_childSize; - } -#endif // __WXDEBUG__ - if ( m_owner->m_started ) { m_childSize = maxOfMin; @@ -298,7 +270,7 @@ wxSize wxWizardSizer::SiblingSize(wxSizerItem *child) void wxWizard::Init() { m_posWizard = wxDefaultPosition; - m_page = (wxWizardPage *)NULL; + m_page = NULL; m_btnPrev = m_btnNext = NULL; m_statbmp = NULL; m_sizerBmpAndPage = NULL; @@ -307,6 +279,9 @@ void wxWizard::Init() m_started = false; m_wasModal = false; m_usingSizer = false; + m_bitmapBackgroundColour = *wxWHITE; + m_bitmapPlacement = 0; + m_bitmapMinimumWidth = 115; } bool wxWizard::Create(wxWindow *parent, @@ -326,13 +301,22 @@ bool wxWizard::Create(wxWindow *parent, return result; } +wxWizard::~wxWizard() +{ + // normally we don't have to delete this sizer as it's deleted by the + // associated window but if we never used it or didn't set it as the window + // sizer yet, do delete it manually + if ( !m_usingSizer || !m_started ) + delete m_sizerPage; +} + void wxWizard::AddBitmapRow(wxBoxSizer *mainColumn) { m_sizerBmpAndPage = new wxBoxSizer(wxHORIZONTAL); mainColumn->Add( m_sizerBmpAndPage, 1, // Vertically stretchable - wxEXPAND // Horizonal stretching, no border + wxEXPAND // Horizontal stretching, no border ); mainColumn->Add(0,5, 0, // No vertical stretching @@ -340,9 +324,13 @@ void wxWizard::AddBitmapRow(wxBoxSizer *mainColumn) ); #if wxUSE_STATBMP - if ( m_bitmap.Ok() ) + if ( m_bitmap.IsOk() ) { - m_statbmp = new wxStaticBitmap(this, wxID_ANY, m_bitmap); + wxSize bitmapSize(wxDefaultSize); + if (GetBitmapPlacement()) + bitmapSize.x = GetMinimumBitmapWidth(); + + m_statbmp = new wxStaticBitmap(this, wxID_ANY, m_bitmap, wxDefaultPosition, bitmapSize); m_sizerBmpAndPage->Add( m_statbmp, 0, // No horizontal stretching @@ -382,15 +370,8 @@ void wxWizard::AddStaticLine(wxBoxSizer *mainColumn) void wxWizard::AddBackNextPair(wxBoxSizer *buttonRow) { wxASSERT_MSG( m_btnNext && m_btnPrev, - _T("You must create the buttons before calling ") - _T("wxWizard::AddBackNextPair") ); - - // margin between Back and Next buttons -#ifdef __WXMAC__ - static const int BACKNEXT_MARGIN = 10; -#else - static const int BACKNEXT_MARGIN = 0; -#endif + wxT("You must create the buttons before calling ") + wxT("wxWizard::AddBackNextPair") ); wxBoxSizer *backNextPair = new wxBoxSizer(wxHORIZONTAL); buttonRow->Add( @@ -401,7 +382,7 @@ void wxWizard::AddBackNextPair(wxBoxSizer *buttonRow) ); backNextPair->Add(m_btnPrev); - backNextPair->Add(BACKNEXT_MARGIN,0, + backNextPair->Add(10, 0, 0, // No horizontal stretching wxEXPAND // No border, (mostly useless) vertical stretching ); @@ -415,7 +396,7 @@ void wxWizard::AddButtonRow(wxBoxSizer *mainColumn) // to activate the 'next' button first (create the next button before the back button). // The reason is: The user will repeatedly enter information in the wizard pages and then wants to // press 'next'. If a user uses mostly the keyboard, he would have to skip the 'back' button - // everytime. This is annoying. There is a second reason: RETURN acts as TAB. If the 'next' + // every time. This is annoying. There is a second reason: RETURN acts as TAB. If the 'next' // button comes first in the TAB order, the user can enter information very fast using the RETURN // key to TAB to the next entry field and page. This would not be possible, if the 'back' button // was created before the 'next' button. @@ -444,7 +425,7 @@ void wxWizard::AddButtonRow(wxBoxSizer *mainColumn) wxButton *btnHelp=0; #ifdef __WXMAC__ if (GetExtraStyle() & wxWIZARD_EX_HELPBUTTON) - btnHelp=new wxButton(this, wxID_HELP, _("&Help"), wxDefaultPosition, wxDefaultSize, buttonStyle); + btnHelp=new wxButton(this, wxID_HELP, wxEmptyString, wxDefaultPosition, wxDefaultSize, buttonStyle); #endif m_btnNext = new wxButton(this, wxID_FORWARD, _("&Next >")); @@ -551,10 +532,6 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward) } - // we'll use this to decide whether we have to change the label of this - // button or not (initially the label is "Next") - bool btnLabelWasNext = true; - // remember the old bitmap (if any) to compare with the new one later wxBitmap bmpPrev; @@ -573,19 +550,14 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward) m_page->Hide(); - btnLabelWasNext = HasNextPage(m_page); - bmpPrev = m_page->GetBitmap(); if ( !m_usingSizer ) m_sizerBmpAndPage->Detach(m_page); } - // set the new page - m_page = page; - // is this the end? - if ( !m_page ) + if ( !page ) { // terminate successfully if ( IsModal() ) @@ -600,12 +572,18 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward) // and notify the user code (this is especially useful for modeless // wizards) - wxWizardEvent event(wxEVT_WIZARD_FINISHED, GetId(), false, 0); + wxWizardEvent event(wxEVT_WIZARD_FINISHED, GetId(), false, m_page); (void)GetEventHandler()->ProcessEvent(event); + m_page = NULL; + return true; } + // notice that we change m_page only here so that wxEVT_WIZARD_FINISHED + // event above could still use the correct (i.e. old) value of m_page + m_page = page; + // position and show the new page (void)m_page->TransferDataToWindow(); @@ -622,17 +600,21 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward) #if wxUSE_STATBMP // update the bitmap if:it changed + wxBitmap bmp; if ( m_statbmp ) { - wxBitmap bmp = m_page->GetBitmap(); - if ( !bmp.Ok() ) + bmp = m_page->GetBitmap(); + if ( !bmp.IsOk() ) bmp = m_bitmap; - if ( !bmpPrev.Ok() ) + if ( !bmpPrev.IsOk() ) bmpPrev = m_bitmap; - if ( !bmp.IsSameAs(bmpPrev) ) - m_statbmp->SetBitmap(bmp); + if (!GetBitmapPlacement()) + { + if ( !bmp.IsSameAs(bmpPrev) ) + m_statbmp->SetBitmap(bmp); + } } #endif // wxUSE_STATBMP @@ -640,12 +622,10 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward) // and update the buttons state m_btnPrev->Enable(HasPrevPage(m_page)); - bool hasNext = HasNextPage(m_page); - if ( btnLabelWasNext != hasNext ) - { - m_btnNext->SetLabel(hasNext ? _("&Next >") : _("&Finish")); - } - // nothing to do: the label was already correct + const bool hasNext = HasNextPage(m_page); + const wxString label = hasNext ? _("&Next >") : _("&Finish"); + if ( label != m_btnNext->GetLabel() ) + m_btnNext->SetLabel(label); m_btnNext->SetDefault(); @@ -665,17 +645,44 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward) { m_started = true; - if ( wxSystemSettings::GetScreenType() > wxSYS_SCREEN_PDA ) - { - GetSizer()->SetSizeHints(this); - if ( m_posWizard == wxDefaultPosition ) - CentreOnScreen(); - } + DoWizardLayout(); + } + + if (GetBitmapPlacement() && m_statbmp) + { + ResizeBitmap(bmp); + + if ( !bmp.IsSameAs(bmpPrev) ) + m_statbmp->SetBitmap(bmp); + + if (m_usingSizer) + m_sizerPage->RecalcSizes(); } + wxWizardEvent pageShownEvent(wxEVT_WIZARD_PAGE_SHOWN, GetId(), + goingForward, m_page); + m_page->GetEventHandler()->ProcessEvent(pageShownEvent); + return true; } +/// Do fit, and adjust to screen size if necessary +void wxWizard::DoWizardLayout() +{ + if ( wxSystemSettings::GetScreenType() > wxSYS_SCREEN_PDA ) + { + if (CanDoLayoutAdaptation()) + DoLayoutAdaptation(); + else + GetSizer()->SetSizeHints(this); + + if ( m_posWizard == wxDefaultPosition ) + CentreOnScreen(); + } + + SetLayoutAdaptationDone(true); +} + bool wxWizard::RunWizard(wxWizardPage *firstPage) { wxCHECK_MSG( firstPage, false, wxT("can't run empty wizard") ); @@ -772,10 +779,10 @@ void wxWizard::OnBackOrNext(wxCommandEvent& event) (event.GetEventObject() == m_btnPrev), wxT("unknown button") ); - wxCHECK_RET( m_page, _T("should have a valid current page") ); + wxCHECK_RET( m_page, wxT("should have a valid current page") ); // ask the current page first: notice that we do it before calling - // GetNext/Prev() because the data transfered from the controls of the page + // GetNext/Prev() because the data transferred from the controls of the page // may change the value returned by these methods if ( !m_page->Validate() || !m_page->TransferDataFromWindow() ) { @@ -785,6 +792,13 @@ void wxWizard::OnBackOrNext(wxCommandEvent& event) bool forward = event.GetEventObject() == m_btnNext; + // Give the application a chance to set state which may influence GetNext()/GetPrev() + wxWizardEvent eventPreChanged(wxEVT_WIZARD_BEFORE_PAGE_CHANGED, GetId(), forward, m_page); + (void)m_page->GetEventHandler()->ProcessEvent(eventPreChanged); + + if (!eventPreChanged.IsAllowed()) + return; + wxWizardPage *page; if ( forward ) { @@ -845,6 +859,13 @@ void wxWizard::OnWizEvent(wxWizardEvent& event) } } +void wxWizard::SetBitmap(const wxBitmap& bitmap) +{ + m_bitmap = bitmap; + if (m_statbmp) + m_statbmp->SetBitmap(m_bitmap); +} + // ---------------------------------------------------------------------------- // wxWizardEvent // ---------------------------------------------------------------------------- @@ -858,4 +879,131 @@ wxWizardEvent::wxWizardEvent(wxEventType type, int id, bool direction, wxWizardP m_page = page; } +/// Do the adaptation +bool wxWizard::DoLayoutAdaptation() +{ + wxWindowList windows; + wxWindowList pages; + + // Make all the pages (that use sizers) scrollable + for ( wxSizerItemList::compatibility_iterator node = m_sizerPage->GetChildren().GetFirst(); node; node = node->GetNext() ) + { + wxSizerItem * const item = node->GetData(); + if ( item->IsWindow() ) + { + wxWizardPage* page = wxDynamicCast(item->GetWindow(), wxWizardPage); + if (page) + { + while (page) + { + if (!pages.Find(page) && page->GetSizer()) + { + // Create a scrolled window and reparent + wxScrolledWindow* scrolledWindow = new wxScrolledWindow(page, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL|wxVSCROLL|wxHSCROLL|wxBORDER_NONE); + wxSizer* oldSizer = page->GetSizer(); + + wxSizer* newSizer = new wxBoxSizer(wxVERTICAL); + newSizer->Add(scrolledWindow,1, wxEXPAND, 0); + + page->SetSizer(newSizer, false /* don't delete the old sizer */); + + scrolledWindow->SetSizer(oldSizer); + + wxStandardDialogLayoutAdapter::DoReparentControls(page, scrolledWindow); + + pages.Append(page); + windows.Append(scrolledWindow); + } + page = page->GetNext(); + } + } + } + } + + wxStandardDialogLayoutAdapter::DoFitWithScrolling(this, windows); + + // Size event doesn't get sent soon enough on wxGTK + DoLayout(); + + SetLayoutAdaptationDone(true); + + return true; +} + +bool wxWizard::ResizeBitmap(wxBitmap& bmp) +{ + if (!GetBitmapPlacement()) + return false; + + if (bmp.IsOk()) + { + wxSize pageSize = m_sizerPage->GetSize(); + if (pageSize == wxSize(0,0)) + pageSize = GetPageSize(); + int bitmapWidth = wxMax(bmp.GetWidth(), GetMinimumBitmapWidth()); + int bitmapHeight = pageSize.y; + + if (!m_statbmp->GetBitmap().IsOk() || m_statbmp->GetBitmap().GetHeight() != bitmapHeight) + { + wxBitmap bitmap(bitmapWidth, bitmapHeight); + { + wxMemoryDC dc; + dc.SelectObject(bitmap); + dc.SetBackground(wxBrush(m_bitmapBackgroundColour)); + dc.Clear(); + + if (GetBitmapPlacement() & wxWIZARD_TILE) + { + TileBitmap(wxRect(0, 0, bitmapWidth, bitmapHeight), dc, bmp); + } + else + { + int x, y; + + if (GetBitmapPlacement() & wxWIZARD_HALIGN_LEFT) + x = 0; + else if (GetBitmapPlacement() & wxWIZARD_HALIGN_RIGHT) + x = bitmapWidth - bmp.GetWidth(); + else + x = (bitmapWidth - bmp.GetWidth())/2; + + if (GetBitmapPlacement() & wxWIZARD_VALIGN_TOP) + y = 0; + else if (GetBitmapPlacement() & wxWIZARD_VALIGN_BOTTOM) + y = bitmapHeight - bmp.GetHeight(); + else + y = (bitmapHeight - bmp.GetHeight())/2; + + dc.DrawBitmap(bmp, x, y, true); + dc.SelectObject(wxNullBitmap); + } + } + + bmp = bitmap; + } + } + + return true; +} + +bool wxWizard::TileBitmap(const wxRect& rect, wxDC& dc, const wxBitmap& bitmap) +{ + int w = bitmap.GetWidth(); + int h = bitmap.GetHeight(); + + wxMemoryDC dcMem; + + dcMem.SelectObjectAsSource(bitmap); + + int i, j; + for (i = rect.x; i < rect.x + rect.width; i += w) + { + for (j = rect.y; j < rect.y + rect.height; j+= h) + dc.Blit(i, j, bitmap.GetWidth(), bitmap.GetHeight(), & dcMem, 0, 0); + } + dcMem.SelectObject(wxNullBitmap); + + return true; +} + #endif // wxUSE_WIZARDDLG