optimized default GUI font loading

[wxWidgets.git] / src / generic / wizard.cpp

diff --git a/src/generic/wizard.cpp b/src/generic/wizard.cpp
index c3a9ab8cdd5c634948dd971dc67141da32291d1e..eed6e10755973e8622f6eff18a0e8a8ae6a287e6 100644 (file)
--- 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 <zeitlin@dptmaths.ens-cachan.fr>
@@ -54,10 +57,13 @@ WX_DEFINE_ARRAY(wxPanel *, wxArrayPages);
 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)
@@ -73,9 +79,23 @@ IMPLEMENT_DYNAMIC_CLASS(wxWizardEvent, wxNotifyEvent)
 // 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();
 }
@@ -113,6 +133,7 @@ bool wxWizard::Create(wxWindow *parent,
 {
     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;
@@ -204,7 +225,7 @@ void wxWizard::DoCreateControls()
         x -= sizeBtn.x;
         x -= BUTTON_MARGIN ;
 
-        (void*) new wxButton(this, wxID_HELP, _("&Help"), wxPoint(x, y), sizeBtn);
+        (void)new wxButton(this, wxID_HELP, _("&Help"), wxPoint(x, y), sizeBtn);
         x += sizeBtn.x;
         x += BUTTON_MARGIN ;
     }
@@ -246,9 +267,19 @@ 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
-    int bmpWasDefault;
+    // 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 )
     {
         // send the event to the old page
@@ -263,15 +294,15 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
         m_page->Hide();
 
         btnLabelWasNext = m_page->GetNext() != (wxWizardPage *)NULL;
-        bmpWasDefault = !m_page->GetBitmap().Ok();
-    }
-    else // no previous page
+
+        // Get the bitmap of the previous page (if it exists)
+        if(m_page->GetBitmap().Ok())
     {
-        // always set the bitmap
-        bmpWasDefault = -1;
+            PreviousBitmap = m_page->GetBitmap();
+        }
     }
 
-    // set the new one
+    // set the new page
     m_page = page;
 
     // is this the end?
@@ -279,11 +310,10 @@ 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);
 
@@ -292,9 +322,19 @@ 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)
-    int 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 )
@@ -395,6 +435,21 @@ 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
 // ----------------------------------------------------------------------------
@@ -414,10 +469,13 @@ wxWizard *wxWizardBase::Create(wxWindow *parent,
 // 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