// 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 <zeitlin@dptmaths.ens-cachan.fr>
#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"
// 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)
// wxWizardPage
// ----------------------------------------------------------------------------
-wxWizardPage::wxWizardPage(wxWizard *parent, const wxBitmap& bitmap)
- : wxPanel(parent), m_bitmap(bitmap)
+wxWizardPage::wxWizardPage(wxWizard *parent,
+ const wxBitmap& bitmap,
+ const wxChar *resource)
+ : wxPanel(parent)
{
+ if ( resource != NULL )
+ {
+#if wxUSE_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();
}
// 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
// ------------------------------------
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 += bitmap.GetWidth() + BITMAP_X_MARGIN;
- m_height = bitmap.GetHeight();
+ m_x += m_bitmap.GetWidth() + BITMAP_X_MARGIN;
+
+ 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;
#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 )
{
- Centre();
+ 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") );
// 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) &&
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?
{
// 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);
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 )
{
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 */);
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);
}
(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;
(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
// ----------------------------------------------------------------------------
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
projects / wxWidgets.git / blobdiff