X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/91b4c08d6f5ceb50e1fab3d9b6477dd8c0d54a20..4855a4773e9a49c6bb70f1adc3da7109e0b6ccf7:/src/generic/wizard.cpp diff --git a/src/generic/wizard.cpp b/src/generic/wizard.cpp index fdd9dc7a8c..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" @@ -48,9 +54,16 @@ WX_DEFINE_ARRAY(wxPanel *, wxArrayPages); // 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_HELP) + BEGIN_EVENT_TABLE(wxWizard, wxDialog) EVT_BUTTON(wxID_CANCEL, wxWizard::OnCancel) - EVT_BUTTON(-1, wxWizard::OnBackOrNext) + EVT_BUTTON(wxID_BACKWARD, wxWizard::OnBackOrNext) + EVT_BUTTON(wxID_FORWARD, wxWizard::OnBackOrNext) + EVT_BUTTON(wxID_HELP, wxWizard::OnHelp) END_EVENT_TABLE() IMPLEMENT_DYNAMIC_CLASS(wxWizard, wxDialog) @@ -66,11 +79,41 @@ IMPLEMENT_DYNAMIC_CLASS(wxWizardEvent, wxNotifyEvent) // wxWizardPage // ---------------------------------------------------------------------------- -wxWizardPage::wxWizardPage(wxWizard *parent, const wxBitmap& bitmap) - : wxPanel(parent), m_bitmap(bitmap) +void wxWizardPage::Init() +{ + m_bitmap = wxNullBitmap; +} + +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; + + if ( resource != NULL ) + { +#if wxUSE_WX_RESOURCES + if ( !LoadFromResource(this, resource) ) + { + wxFAIL_MSG(wxT("wxWizardPage LoadFromResource failed!!!!")); + } +#endif // wxUSE_RESOURCES + } + + m_bitmap = bitmap; + // initially the page is hidden, it's shown only when it becomes current Hide(); + + return TRUE; } // ---------------------------------------------------------------------------- @@ -90,14 +133,38 @@ wxWizardPage *wxWizardPageSimple::GetNext() const // generic wxWizard implementation // ---------------------------------------------------------------------------- -wxWizard::wxWizard(wxWindow *parent, +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, - const wxSize& size) - : m_bitmap(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 // ------------------------------------ @@ -122,38 +189,41 @@ wxWizard::wxWizard(wxWindow *parent, static const int DEFAULT_PAGE_WIDTH = 270; static const int DEFAULT_PAGE_HEIGHT = 290; - // init members - // ------------ - - m_page = (wxWizardPage *)NULL; - // 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() ) { - m_statbmp = 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 += m_bitmap.GetWidth() + BITMAP_X_MARGIN; - m_x += bitmap.GetWidth() + BITMAP_X_MARGIN; - m_height = bitmap.GetHeight(); + defaultHeight = m_bitmap.GetHeight(); } else { m_statbmp = (wxStaticBitmap *)NULL; - m_height = DEFAULT_PAGE_HEIGHT; + 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; @@ -161,34 +231,50 @@ wxWizard::wxWizard(wxWindow *parent, #if wxUSE_STATLINE (void)new wxStaticLine(this, -1, wxPoint(x, y), wxSize(m_x + m_width - x, 2)); -#endif +#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 ) { CentreOnScreen(); } } +void wxWizard::SetPageSize(const wxSize& size) +{ + // otherwise it will have no effect now as it's too late... + wxASSERT_MSG( !WasCreated(), _T("should be called before RunWizard()!") ); + + m_sizePage = size; +} + bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward) { wxASSERT_MSG( page != m_page, wxT("this is useless") ); @@ -197,18 +283,21 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward) // button or not (initially the label is "Next") bool btnLabelWasNext = TRUE; - // and this tells us whether we already had the default bitmap before - bool bmpWasDefault = TRUE; + // Modified 10-20-2001 Robert Cavanaugh. + // Fixed bug for displaying a new bitmap + // in each *consecutive* page + + // 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 ) { - // ask the current page first - if ( !m_page->TransferDataFromWindow() ) - { - // the page data is incorrect - return FALSE; - } - // send the event to the old page wxWizardEvent event(wxEVT_WIZARD_PAGE_CHANGING, GetId(), goingForward); if ( m_page->GetEventHandler()->ProcessEvent(event) && @@ -221,10 +310,15 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward) m_page->Hide(); btnLabelWasNext = m_page->GetNext() != (wxWizardPage *)NULL; - bmpWasDefault = !m_page->GetBitmap().Ok(); + + // Get the bitmap of the previous page (if it exists) + if(m_page->GetBitmap().Ok()) + { + PreviousBitmap = m_page->GetBitmap(); + } } - // set the new one + // set the new page m_page = page; // is this the end? @@ -232,11 +326,10 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward) { // terminate successfully EndModal(wxID_OK); - return TRUE; } - // send the event to the new page now + // send the change event to the new page now wxWizardEvent event(wxEVT_WIZARD_PAGE_CHANGED, GetId(), goingForward); (void)m_page->GetEventHandler()->ProcessEvent(event); @@ -245,9 +338,19 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward) m_page->SetSize(m_x, m_y, m_width, m_height); m_page->Show(); - // change the bitmap if necessary (and if we have it at all) - bool bmpIsDefault = !m_page->GetBitmap().Ok(); - if ( m_statbmp && (bmpIsDefault != bmpWasDefault) ) + // check if bitmap needs to be updated + // update default flag as well + if(m_page->GetBitmap().Ok()) + { + ThisBitmap = m_page->GetBitmap(); + bmpIsDefault = FALSE; + } + + // 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 ) @@ -278,6 +381,8 @@ bool wxWizard::RunWizard(wxWizardPage *firstPage) { wxCHECK_MSG( firstPage, FALSE, wxT("can't run empty wizard") ); + DoCreateControls(); + // can't return FALSE here because there is no old page (void)ShowPage(firstPage, TRUE /* forward */); @@ -291,6 +396,10 @@ wxWizardPage *wxWizard::GetCurrentPage() const 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); } @@ -315,6 +424,15 @@ void wxWizard::OnBackOrNext(wxCommandEvent& event) (event.GetEventObject() == m_btnPrev), wxT("unknown button") ); + // 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; + } + bool forward = event.GetEventObject() == m_btnNext; wxWizardPage *page; @@ -333,6 +451,21 @@ void wxWizard::OnBackOrNext(wxCommandEvent& event) (void)ShowPage(page, forward); } +void wxWizard::OnHelp(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 + if(m_page != NULL) + { + // Create and send the help event to the specific page handler + // event data contains the active page so that context-sensitive + // help is possible + wxWizardEvent eventHelp(wxEVT_WIZARD_HELP, GetId(), TRUE, m_page); + (void)m_page->GetEventHandler()->ProcessEvent(eventHelp); + } +} + + // ---------------------------------------------------------------------------- // our public interface // ---------------------------------------------------------------------------- @@ -343,18 +476,22 @@ wxWizard *wxWizardBase::Create(wxWindow *parent, const wxString& title, const wxBitmap& bitmap, const wxPoint& pos, - const wxSize& size) + const wxSize& WXUNUSED(size)) { - return new wxWizard(parent, id, title, bitmap, pos, size); + return new wxWizard(parent, id, title, bitmap, pos); } // ---------------------------------------------------------------------------- // wxWizardEvent // ---------------------------------------------------------------------------- -wxWizardEvent::wxWizardEvent(wxEventType type, int id, bool direction) +wxWizardEvent::wxWizardEvent(wxEventType type, int id, bool direction, wxWizardPage* page) : wxNotifyEvent(type, id) { + // Modified 10-20-2001 Robert Cavanaugh + // add the active page to the event data m_direction = direction; + m_page = page; } +#endif // wxUSE_WIZARDDLG