fixed icon drawing when they have different sizes (patch 554973)

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

diff --git a/src/generic/wizard.cpp b/src/generic/wizard.cpp
index 65360bcda546006ab9e68bbbe81d7b64026c8cc1..1e2e0f9fbf940e20e3a11f34900eb64552569e21 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
 // 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>
 // Created:     15.08.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>


@@ -18,7 +21,7 @@
 // ----------------------------------------------------------------------------
 
 #ifdef __GNUG__
 // ----------------------------------------------------------------------------
 
 #ifdef __GNUG__

-    #pragma implementation ".h"
+    #pragma implementation "wizardg.h"

 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #endif
 
 // For compilers that support precompilation, includes "wx.h".


@@ -28,6 +31,8 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#if wxUSE_WIZARDDLG
+

 #ifndef WX_PRECOMP
     #include "wx/dynarray.h"
     #include "wx/intl.h"
 #ifndef WX_PRECOMP
     #include "wx/dynarray.h"
     #include "wx/intl.h"


@@ -52,10 +57,18 @@ 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_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)
 
 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)
+
+    EVT_WIZARD_PAGE_CHANGED(-1, wxWizard::OnWizEvent)
+    EVT_WIZARD_PAGE_CHANGING(-1, wxWizard::OnWizEvent)
+    EVT_WIZARD_CANCEL(-1, wxWizard::OnWizEvent)
+    EVT_WIZARD_HELP(-1, wxWizard::OnWizEvent)

 END_EVENT_TABLE()
 
 IMPLEMENT_DYNAMIC_CLASS(wxWizard, wxDialog)
 END_EVENT_TABLE()
 
 IMPLEMENT_DYNAMIC_CLASS(wxWizard, wxDialog)


@@ -71,11 +84,41 @@ IMPLEMENT_DYNAMIC_CLASS(wxWizardEvent, wxNotifyEvent)
 // wxWizardPage
 // ----------------------------------------------------------------------------
 
 // 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();
     // initially the page is hidden, it's shown only when it becomes current
     Hide();

+
+    return TRUE;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -95,20 +138,30 @@ wxWizardPage *wxWizardPageSimple::GetNext() const
 // generic wxWizard implementation
 // ----------------------------------------------------------------------------
 
 // 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)
                    int id,
                    const wxString& title,
                    const wxBitmap& bitmap,
                    const wxPoint& pos)

-        : m_posWizard(pos), m_bitmap(bitmap)

 {
 {

+    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;
 
     // 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;
 

-    (void)wxDialog::Create(parent, id, title, pos);
+    return wxDialog::Create(parent, id, title, pos);

 }
 
 void wxWizard::DoCreateControls()
 }
 
 void wxWizard::DoCreateControls()


@@ -187,13 +240,24 @@ void wxWizard::DoCreateControls()
 
     x = m_x + m_width - 3*sizeBtn.x - BUTTON_MARGIN;
     y += SEPARATOR_LINE_MARGIN;
 
     x = m_x + m_width - 3*sizeBtn.x - BUTTON_MARGIN;
     y += SEPARATOR_LINE_MARGIN;

+
+    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, wxID_FORWARD, _("&Next >"), wxPoint(x, y), sizeBtn);
 
     x += sizeBtn.x + BUTTON_MARGIN;
     m_btnPrev = new wxButton(this, wxID_BACKWARD, _("< &Back"), wxPoint(x, y), sizeBtn);
 
     x += sizeBtn.x;
     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
     // ----------------------------
 
     // position and size the dialog
     // ----------------------------


@@ -216,6 +280,32 @@ void wxWizard::SetPageSize(const wxSize& size)
     m_sizePage = size;
 }
 
     m_sizePage = size;
 }
 

+void wxWizard::Fit(const wxWizardPage *page)
+{
+    // otherwise it will have no effect now as it's too late...
+    wxASSERT_MSG( !WasCreated(), _T("should be called before RunWizard()!") );
+
+    wxSize sizeMax;
+    while ( page )
+    {
+        wxSize size = page->GetBestSize();
+
+        if ( size.x > sizeMax.x )
+            sizeMax.x = size.x;
+
+        if ( size.y > sizeMax.y )
+            sizeMax.y = size.y;
+
+        page = page->GetNext();
+    }
+
+    if ( sizeMax.x > m_sizePage.x )
+        m_sizePage.x = sizeMax.x;
+
+    if ( sizeMax.y > m_sizePage.y )
+        m_sizePage.y = sizeMax.y;
+}
+

 bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
 {
     wxASSERT_MSG( page != m_page, wxT("this is useless") );
 bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
 {
     wxASSERT_MSG( page != m_page, wxT("this is useless") );


@@ -224,9 +314,19 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
     // button or not (initially the label is "Next")
     bool btnLabelWasNext = TRUE;
 
     // 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 )
     {
         // send the event to the old page
     if ( m_page )
     {
         // send the event to the old page


@@ -241,10 +341,15 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
         m_page->Hide();
 
         btnLabelWasNext = m_page->GetNext() != (wxWizardPage *)NULL;
         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?
     m_page = page;
 
     // is this the end?


@@ -252,11 +357,10 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
     {
         // terminate successfully
         EndModal(wxID_OK);
     {
         // terminate successfully
         EndModal(wxID_OK);

-

         return TRUE;
     }
 
         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);
 
     wxWizardEvent event(wxEVT_WIZARD_PAGE_CHANGED, GetId(), goingForward);
     (void)m_page->GetEventHandler()->ProcessEvent(event);
 


@@ -265,9 +369,19 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
     m_page->SetSize(m_x, m_y, m_width, m_height);
     m_page->Show();
 
     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 )
     {
         wxBitmap bmp;
         if ( bmpIsDefault )


@@ -368,6 +482,38 @@ void wxWizard::OnBackOrNext(wxCommandEvent& event)
     (void)ShowPage(page, forward);
 }
 
     (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);
+    }
+}
+
+void wxWizard::OnWizEvent(wxWizardEvent& event)
+{
+    // the dialogs have wxWS_EX_BLOCK_EVENTS style on by default but we want to
+    // propagate wxEVT_WIZARD_XXX to the parent (if any), so do it manually
+    if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
+    {
+        // the event will be propagated anyhow
+        return;
+    }
+
+    wxWindow *parent = GetParent();
+
+    if ( !parent || !parent->GetEventHandler()->ProcessEvent(event) )
+    {
+        event.Skip();
+    }
+}
+

 // ----------------------------------------------------------------------------
 // our public interface
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // our public interface
 // ----------------------------------------------------------------------------


@@ -387,9 +533,13 @@ wxWizard *wxWizardBase::Create(wxWindow *parent,
 // wxWizardEvent
 // ----------------------------------------------------------------------------
 
 // wxWizardEvent
 // ----------------------------------------------------------------------------
 

-wxWizardEvent::wxWizardEvent(wxEventType type, int id, bool direction)
+wxWizardEvent::wxWizardEvent(wxEventType type, int id, bool direction, wxWizardPage* page)

              : wxNotifyEvent(type, id)
 {
              : wxNotifyEvent(type, id)
 {

+    // Modified 10-20-2001 Robert Cavanaugh
+    // add the active page to the event data

     m_direction = direction;
     m_direction = direction;

+    m_page = page;

 }
 
 }
 

+#endif // wxUSE_WIZARDDLG