X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f3b8ef890c47d44e045d42137be948f11922dcfd..050e7ed73b61d8503656297fc12799ffd0f5bbfe:/src/generic/wizard.cpp diff --git a/src/generic/wizard.cpp b/src/generic/wizard.cpp index b8952bdbe1..3d1654bef7 100644 --- a/src/generic/wizard.cpp +++ b/src/generic/wizard.cpp @@ -2,7 +2,10 @@ // Name: generic/wizard.cpp // Purpose: generic implementation of wxWizard class // Author: Vadim Zeitlin -// Modified by: +// Modified by: Robert Cavanaugh +// 1) Added capability for wxWizardPage to accept resources +// 2) Added "Help" button handler stub +// 3) Fixed ShowPage() bug on displaying bitmaps // Created: 15.08.99 // RCS-ID: $Id$ // Copyright: (c) 1999 Vadim Zeitlin @@ -28,10 +31,13 @@ #pragma hdrstop #endif +#if wxUSE_WIZARDDLG + #ifndef WX_PRECOMP #include "wx/dynarray.h" #include "wx/intl.h" #include "wx/statbmp.h" + #include "wx/button.h" #endif //WX_PRECOMP #include "wx/statline.h" @@ -45,95 +51,120 @@ WX_DEFINE_ARRAY(wxPanel *, wxArrayPages); // ---------------------------------------------------------------------------- -// wxWizardGeneric - generic implementation of wxWizard +// event tables and such // ---------------------------------------------------------------------------- -class wxWizardGeneric : public wxWizard -{ -public: - // ctor - wxWizardGeneric(wxWindow *parent, - int id, - const wxString& title, - const wxBitmap& bitmap, - const wxPoint& pos, - const wxSize& size); - - // implement base class pure virtuals - virtual void AddPage(wxPanel *page); - virtual void InsertPage(int nPage, wxPanel *page); - virtual bool RunWizard(); - virtual wxPanel *GetCurrentPage() const; - - // implementation only from now on - // ------------------------------- - - // is the wizard running? - bool IsRunning() const { return m_page != -1; } - - // show the given page calling TransferDataFromWindow - if it returns - // FALSE, the old page is not hidden and the function returns FALSE - bool ShowPage(size_t page); - - // get the current page assuming the wizard is running - wxPanel *DoGetCurrentPage() const - { - wxASSERT_MSG( IsRunning(), _T("no current page!") ); +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_HELP) - return m_pages[(size_t)m_page]; - } +BEGIN_EVENT_TABLE(wxWizard, wxDialog) + EVT_BUTTON(wxID_CANCEL, wxWizard::OnCancel) + EVT_BUTTON(wxID_BACKWARD, wxWizard::OnBackOrNext) + EVT_BUTTON(wxID_FORWARD, wxWizard::OnBackOrNext) + EVT_BUTTON(wxID_HELP, wxWizard::OnHelp) +END_EVENT_TABLE() - // place the given page correctly and hide it - void DoAddPage(wxPanel *page); +IMPLEMENT_DYNAMIC_CLASS(wxWizard, wxDialog) +IMPLEMENT_ABSTRACT_CLASS(wxWizardPage, wxPanel) +IMPLEMENT_DYNAMIC_CLASS(wxWizardPageSimple, wxWizardPage) +IMPLEMENT_DYNAMIC_CLASS(wxWizardEvent, wxNotifyEvent) -private: - // event handlers - void OnCancel(wxCommandEvent& event); - void OnBackOrNext(wxCommandEvent& event); +// ============================================================================ +// implementation +// ============================================================================ - // wizard dimensions - int m_x, m_y; // the origin for the pages - int m_width, // the size of the page itself - m_height; // (total width is m_width + m_x) +// ---------------------------------------------------------------------------- +// wxWizardPage +// ---------------------------------------------------------------------------- - // wizard state - int m_page; // the current page or -1 - wxArrayPages m_pages; // the array with all wizards pages +void wxWizardPage::Init() +{ + m_bitmap = wxNullBitmap; +} - // wizard controls - wxButton *m_btnPrev, // the "" or "Finish" button +wxWizardPage::wxWizardPage(wxWizard *parent, + const wxBitmap& bitmap, + const wxChar *resource) +{ + Create(parent, bitmap, resource); +} + +bool wxWizardPage::Create(wxWizard *parent, + const wxBitmap& bitmap, + const wxChar *resource) +{ + if ( !wxPanel::Create(parent, -1) ) + return FALSE; - DECLARE_EVENT_TABLE() -}; + if ( resource != NULL ) + { +#if wxUSE_WX_RESOURCES + if ( !LoadFromResource(this, resource) ) + { + wxFAIL_MSG(wxT("wxWizardPage LoadFromResource failed!!!!")); + } +#endif // wxUSE_RESOURCES + } -// ---------------------------------------------------------------------------- -// event tables and such -// ---------------------------------------------------------------------------- + m_bitmap = bitmap; -BEGIN_EVENT_TABLE(wxWizardGeneric, wxDialog) - EVT_BUTTON(wxID_CANCEL, wxWizardGeneric::OnCancel) - EVT_BUTTON(-1, wxWizardGeneric::OnBackOrNext) -END_EVENT_TABLE() + // initially the page is hidden, it's shown only when it becomes current + Hide(); + + return TRUE; +} -IMPLEMENT_ABSTRACT_CLASS(wxWizard, wxDialog) -IMPLEMENT_DYNAMIC_CLASS(wxWizardEvent, wxNotifyEvent) +// ---------------------------------------------------------------------------- +// wxWizardPageSimple +// ---------------------------------------------------------------------------- -// ============================================================================ -// implementation -// ============================================================================ +wxWizardPage *wxWizardPageSimple::GetPrev() const +{ + return m_prev; +} +wxWizardPage *wxWizardPageSimple::GetNext() const +{ + return m_next; +} // ---------------------------------------------------------------------------- // generic wxWizard implementation // ---------------------------------------------------------------------------- -wxWizardGeneric::wxWizardGeneric(wxWindow *parent, - int id, - const wxString& title, - const wxBitmap& bitmap, - const wxPoint& pos, - const wxSize& size) +void wxWizard::Init() +{ + m_posWizard = wxDefaultPosition; + m_page = (wxWizardPage *)NULL; + m_btnPrev = m_btnNext = NULL; + m_statbmp = NULL; +} + +bool wxWizard::Create(wxWindow *parent, + int id, + const wxString& title, + const wxBitmap& bitmap, + const wxPoint& pos) { + m_posWizard = pos; + m_bitmap = bitmap ; + + // just create the dialog itself here, the controls will be created in + // DoCreateControls() called later when we know our final size + m_page = (wxWizardPage *)NULL; + m_btnPrev = m_btnNext = NULL; + m_statbmp = NULL; + + return wxDialog::Create(parent, id, title, pos); +} + +void wxWizard::DoCreateControls() +{ + // do nothing if the controls were already created + if ( WasCreated() ) + return; + // constants defining the dialog layout // ------------------------------------ @@ -158,145 +189,228 @@ wxWizardGeneric::wxWizardGeneric(wxWindow *parent, static const int DEFAULT_PAGE_WIDTH = 270; static const int DEFAULT_PAGE_HEIGHT = 290; - // init members - // ------------ - - m_page = -1; - // create controls // --------------- wxSize sizeBtn = wxButton::GetDefaultSize(); - (void)wxDialog::Create(parent, id, title, pos, size); - // the global dialog layout is: a row of buttons at the bottom (aligned to // the right), the static line above them, the bitmap (if any) on the left // of the upper part of the dialog and the panel in the remaining space m_x = X_MARGIN; m_y = Y_MARGIN; - if ( bitmap.Ok() ) + + int defaultHeight; + if ( m_bitmap.Ok() ) { - (void)new wxStaticBitmap(this, -1, bitmap, wxPoint(m_x, m_y)); + m_statbmp = new wxStaticBitmap(this, -1, m_bitmap, wxPoint(m_x, m_y)); - m_x += bitmap.GetWidth() + BITMAP_X_MARGIN; - m_height = bitmap.GetHeight(); + m_x += m_bitmap.GetWidth() + BITMAP_X_MARGIN; + + defaultHeight = m_bitmap.GetHeight(); } else { - m_height = DEFAULT_PAGE_HEIGHT; + m_statbmp = (wxStaticBitmap *)NULL; + + defaultHeight = DEFAULT_PAGE_HEIGHT; } - m_width = DEFAULT_PAGE_WIDTH; + // use default size if none given and also make sure that the dialog is + // not less than the default size + m_height = m_sizePage.y == -1 ? defaultHeight : m_sizePage.y; + m_width = m_sizePage.x == -1 ? DEFAULT_PAGE_WIDTH : m_sizePage.x; + if ( m_height < defaultHeight ) + m_height = defaultHeight; + if ( m_width < DEFAULT_PAGE_WIDTH ) + m_width = DEFAULT_PAGE_WIDTH; int x = X_MARGIN; int y = m_y + m_height + BITMAP_Y_MARGIN; + +#if wxUSE_STATLINE (void)new wxStaticLine(this, -1, wxPoint(x, y), wxSize(m_x + m_width - x, 2)); +#endif // wxUSE_STATLINE x = m_x + m_width - 3*sizeBtn.x - BUTTON_MARGIN; y += SEPARATOR_LINE_MARGIN; - m_btnPrev = new wxButton(this, -1, _("< &Back"), wxPoint(x, y), sizeBtn); + + if (GetExtraStyle() & wxWIZARD_EX_HELPBUTTON) + { + x -= sizeBtn.x; + x -= BUTTON_MARGIN ; + + (void)new wxButton(this, wxID_HELP, _("&Help"), wxPoint(x, y), sizeBtn); + x += sizeBtn.x; + x += BUTTON_MARGIN ; + } + + m_btnPrev = new wxButton(this, wxID_BACKWARD, _("< &Back"), wxPoint(x, y), sizeBtn); x += sizeBtn.x; - m_btnNext = new wxButton(this, -1, _("&Next >"), wxPoint(x, y), sizeBtn); + m_btnNext = new wxButton(this, wxID_FORWARD, _("&Next >"), wxPoint(x, y), sizeBtn); x += sizeBtn.x + BUTTON_MARGIN; - (void)new wxButton(this, wxID_CANCEL, _("Cancel"), wxPoint(x, y), sizeBtn); + (void)new wxButton(this, wxID_CANCEL, _("&Cancel"), wxPoint(x, y), sizeBtn); // position and size the dialog // ---------------------------- - if ( size == wxDefaultSize ) - { - SetClientSize(m_x + m_width + X_MARGIN, - m_y + m_height + BITMAP_Y_MARGIN + - SEPARATOR_LINE_MARGIN + sizeBtn.y + Y_MARGIN); - } + SetClientSize(m_x + m_width + X_MARGIN, + m_y + m_height + BITMAP_Y_MARGIN + + SEPARATOR_LINE_MARGIN + sizeBtn.y + Y_MARGIN); - if ( pos == wxDefaultPosition ) + if ( m_posWizard == wxDefaultPosition ) { - Centre(); + CentreOnScreen(); } } -bool wxWizardGeneric::ShowPage(size_t page) +void wxWizard::SetPageSize(const wxSize& size) { - wxCHECK_MSG( page < m_pages.GetCount(), FALSE, - _T("invalid wizard page index") ); + // otherwise it will have no effect now as it's too late... + wxASSERT_MSG( !WasCreated(), _T("should be called before RunWizard()!") ); - wxASSERT_MSG( page != (size_t)m_page, _T("this is useless") ); + m_sizePage = size; +} + +bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward) +{ + wxASSERT_MSG( page != m_page, wxT("this is useless") ); + + // 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; - size_t last = m_pages.GetCount() - 1; - bool mustChangeNextBtnLabel = (size_t)m_page == last || page == last; + // Modified 10-20-2001 Robert Cavanaugh. + // Fixed bug for displaying a new bitmap + // in each *consecutive* page - if ( m_page != -1 ) + // flag to indicate if this page uses a new bitmap + bool bmpIsDefault = TRUE; + + // use these labels to determine if we need to change the bitmap + // for this page + wxBitmap PreviousBitmap = wxNullBitmap; + wxBitmap ThisBitmap = wxNullBitmap; + + // check for previous page + if ( m_page ) { - wxPanel *panel = DoGetCurrentPage(); - if ( !panel->TransferDataFromWindow() ) + // send the event to the old page + wxWizardEvent event(wxEVT_WIZARD_PAGE_CHANGING, GetId(), goingForward); + if ( m_page->GetEventHandler()->ProcessEvent(event) && + !event.IsAllowed() ) + { + // vetoed by the page return FALSE; + } + + m_page->Hide(); - panel->Hide(); + btnLabelWasNext = m_page->GetNext() != (wxWizardPage *)NULL; + + // Get the bitmap of the previous page (if it exists) + if(m_page->GetBitmap().Ok()) + { + PreviousBitmap = m_page->GetBitmap(); + } } + // set the new page m_page = page; - DoGetCurrentPage()->Show(); - // update the buttons state - m_btnPrev->Enable(m_page != 0); - if ( mustChangeNextBtnLabel ) + // is this the end? + if ( !m_page ) { - m_btnNext->SetLabel((size_t)m_page == last ? _("&Finish") - : _("&Next >")); + // terminate successfully + EndModal(wxID_OK); + return TRUE; } - return TRUE; -} + // send the change event to the new page now + wxWizardEvent event(wxEVT_WIZARD_PAGE_CHANGED, GetId(), goingForward); + (void)m_page->GetEventHandler()->ProcessEvent(event); -void wxWizardGeneric::DoAddPage(wxPanel *page) -{ - page->Hide(); - page->SetSize(m_x, m_y, m_width, m_height); -} + // position and show the new page + (void)m_page->TransferDataToWindow(); + m_page->SetSize(m_x, m_y, m_width, m_height); + m_page->Show(); -void wxWizardGeneric::AddPage(wxPanel *page) -{ - m_pages.Add(page); + // check if bitmap needs to be updated + // update default flag as well + if(m_page->GetBitmap().Ok()) + { + ThisBitmap = m_page->GetBitmap(); + bmpIsDefault = FALSE; + } - DoAddPage(page); -} + // change the bitmap if: + // 1) a default bitmap was selected in constructor + // 2) this page was constructed with a bitmap + // 3) this bitmap is not the previous bitmap + if( m_statbmp && (ThisBitmap != PreviousBitmap) ) + { + wxBitmap bmp; + if ( bmpIsDefault ) + bmp = m_bitmap; + else + bmp = m_page->GetBitmap(); + m_statbmp->SetBitmap(bmp); + } -void wxWizardGeneric::InsertPage(int nPage, wxPanel *page) -{ - m_pages.Insert(page, nPage); - if ( nPage < m_page ) + // and update the buttons state + m_btnPrev->Enable(m_page->GetPrev() != (wxWizardPage *)NULL); + + bool hasNext = m_page->GetNext() != (wxWizardPage *)NULL; + if ( btnLabelWasNext != hasNext ) { - // the indices of all pages after the inserted one are shifted by 1 - m_page++; + // need to update + if (btnLabelWasNext) + m_btnNext->SetLabel(_("&Finish")); + else + m_btnNext->SetLabel(_("&Next >")); } + // nothing to do: the label was already correct - DoAddPage(page); + return TRUE; } -bool wxWizardGeneric::RunWizard() +bool wxWizard::RunWizard(wxWizardPage *firstPage) { - wxCHECK_MSG( m_pages.GetCount() != 0, FALSE, _T("can't run empty wizard") ); + wxCHECK_MSG( firstPage, FALSE, wxT("can't run empty wizard") ); + + DoCreateControls(); // can't return FALSE here because there is no old page - (void)ShowPage(0u); + (void)ShowPage(firstPage, TRUE /* forward */); return ShowModal() == wxID_OK; } -wxPanel *wxWizardGeneric::GetCurrentPage() const +wxWizardPage *wxWizard::GetCurrentPage() const { - return IsRunning() ? DoGetCurrentPage() : (wxPanel *)NULL; + return m_page; } -void wxWizardGeneric::OnCancel(wxCommandEvent& WXUNUSED(event)) +wxSize wxWizard::GetPageSize() const { + // make sure that the controls are created because otherwise m_width and + // m_height would be both still -1 + wxConstCast(this, wxWizard)->DoCreateControls(); + + return wxSize(m_width, m_height); +} + +void wxWizard::OnCancel(wxCommandEvent& WXUNUSED(event)) +{ + // this function probably can never be called when we don't have an active + // page, but a small extra check won't hurt + wxWindow *win = m_page ? (wxWindow *)m_page : (wxWindow *)this; + wxWizardEvent event(wxEVT_WIZARD_CANCEL, GetId()); - if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() ) + if ( !win->GetEventHandler()->ProcessEvent(event) || event.IsAllowed() ) { // no objections - close the dialog EndModal(wxID_CANCEL); @@ -304,53 +418,80 @@ void wxWizardGeneric::OnCancel(wxCommandEvent& WXUNUSED(event)) //else: request to Cancel ignored } -void wxWizardGeneric::OnBackOrNext(wxCommandEvent& event) +void wxWizard::OnBackOrNext(wxCommandEvent& event) { wxASSERT_MSG( (event.GetEventObject() == m_btnNext) || (event.GetEventObject() == m_btnPrev), - _T("unknown button") ); + wxT("unknown button") ); - int delta = event.GetEventObject() == m_btnNext ? 1 : -1; - int page = m_page + delta; + // ask the current page first: notice that we do it before calling + // GetNext/Prev() because the data transfered from the controls of the page + // may change the value returned by these methods + if ( m_page && !m_page->TransferDataFromWindow() ) + { + // the page data is incorrect, don't do anything + return; + } - wxASSERT_MSG( page >= 0, _T("'Back' button should have been disabled!") ); + bool forward = event.GetEventObject() == m_btnNext; - if ( (size_t)page == m_pages.GetCount() ) + wxWizardPage *page; + if ( forward ) { - // check that we have valid data in the last page too - if ( m_pages.Last()->TransferDataFromWindow() ) - { - // that's all, folks! - EndModal(wxID_OK); - } + page = m_page->GetNext(); } - else + else // back { - // just pass to the next page (or may be not - but we don't care here) - (void)ShowPage(page); + page = m_page->GetPrev(); + + wxASSERT_MSG( page, wxT("\"GetEventHandler()->ProcessEvent(eventHelp); + } +} + + // ---------------------------------------------------------------------------- // our public interface // ---------------------------------------------------------------------------- -/* static */ wxWizard *wxWizard::Create(wxWindow *parent, - int id, - const wxString& title, - const wxBitmap& bitmap, - const wxPoint& pos, - const wxSize& size) +/* static */ +wxWizard *wxWizardBase::Create(wxWindow *parent, + int id, + const wxString& title, + const wxBitmap& bitmap, + const wxPoint& pos, + const wxSize& WXUNUSED(size)) { - return new wxWizardGeneric(parent, id, title, bitmap, pos, size); + return new wxWizard(parent, id, title, bitmap, pos); } // ---------------------------------------------------------------------------- // wxWizardEvent // ---------------------------------------------------------------------------- -wxWizardEvent::wxWizardEvent(wxEventType type, int id) +wxWizardEvent::wxWizardEvent(wxEventType type, int id, bool direction, wxWizardPage* page) : wxNotifyEvent(type, id) { - m_page = m_pageOld = -1; + // Modified 10-20-2001 Robert Cavanaugh + // add the active page to the event data + m_direction = direction; + m_page = page; } + +#endif // wxUSE_WIZARDDLG