X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ba8c70bb2e1d05ef944f4aca1b211567357e7b16..1978421a6d8b81c1f8a961da4b8ddf544fec7b1b:/src/generic/wizard.cpp

diff --git a/src/generic/wizard.cpp b/src/generic/wizard.cpp
index 91a35840b3..6f703687d3 100644
--- a/src/generic/wizard.cpp
+++ b/src/generic/wizard.cpp
@@ -6,6 +6,7 @@
 //              1) Added capability for wxWizardPage to accept resources
 //              2) Added "Help" button handler stub
 //              3) Fixed ShowPage() bug on displaying bitmaps
+//              Robert Vazan (sizers)
 // Created:     15.08.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
@@ -20,7 +21,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "wizardg.h"
 #endif
 
@@ -41,9 +42,33 @@
 #endif //WX_PRECOMP
 
 #include "wx/statline.h"
+#include "wx/sizer.h"
 
 #include "wx/wizard.h"
 
+// ----------------------------------------------------------------------------
+// wxWizardSizer
+// ----------------------------------------------------------------------------
+
+class wxWizardSizer : public wxSizer
+{
+public:
+    wxWizardSizer(wxWizard *owner);
+
+    void RecalcSizes();
+    wxSize CalcMin();
+
+    wxSize GetMaxChildSize();
+    int Border() const;
+    
+private:
+    wxSize SiblingSize(wxSizerItem *child);
+    
+    wxWizard *m_owner;
+    bool m_childSizeValid;
+    wxSize m_childSize;
+};
+
 // ----------------------------------------------------------------------------
 // event tables and such
 // ----------------------------------------------------------------------------
@@ -68,6 +93,14 @@ BEGIN_EVENT_TABLE(wxWizard, wxDialog)
 END_EVENT_TABLE()
 
 IMPLEMENT_DYNAMIC_CLASS(wxWizard, wxDialog)
+
+/*
+	TODO PROPERTIES :
+	wxWizard
+		extstyle
+		title
+*/
+
 IMPLEMENT_ABSTRACT_CLASS(wxWizardPage, wxPanel)
 IMPLEMENT_DYNAMIC_CLASS(wxWizardPageSimple, wxWizardPage)
 IMPLEMENT_DYNAMIC_CLASS(wxWizardEvent, wxNotifyEvent)
@@ -132,185 +165,300 @@ wxWizardPage *wxWizardPageSimple::GetNext() const
 {
     return m_next;
 }
+
 // ----------------------------------------------------------------------------
-// generic wxWizard implementation
+// wxWizardSizer
 // ----------------------------------------------------------------------------
 
-void wxWizard::Init()
+wxWizardSizer::wxWizardSizer(wxWizard *owner)
+    : m_owner(owner)
 {
-    m_posWizard = wxDefaultPosition;
-    m_page = (wxWizardPage *)NULL;
-    m_btnPrev = m_btnNext = NULL;
-    m_statbmp = NULL;
+    m_childSizeValid = false;
 }
 
-bool wxWizard::Create(wxWindow *parent,
-                   int id,
-                   const wxString& title,
-                   const wxBitmap& bitmap,
-                   const wxPoint& pos)
+void wxWizardSizer::RecalcSizes()
 {
-    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);
+    // Effect of this function depends on m_owner->m_page and
+    // it should be called whenever it changes (wxWizard::ShowPage)
+    if ( m_owner->m_page )
+    {
+        m_owner->m_page->SetSize(m_position.x,m_position.y, m_size.x,m_size.y);
+    }
 }
 
-void wxWizard::DoCreateControls()
+wxSize wxWizardSizer::CalcMin()
 {
-    // do nothing if the controls were already created
-    if ( WasCreated() )
-        return;
-
-    // constants defining the dialog layout
-    // ------------------------------------
-
-    // these constants define the position of the upper left corner of the
-    // bitmap or the page in the wizard
-    static const int X_MARGIN = 10;
-    static const int Y_MARGIN = 10;
-
-    // margin between the bitmap and the panel
-    static const int BITMAP_X_MARGIN = 15;
-
-    // margin between the bitmap and the static line
-    static const int BITMAP_Y_MARGIN = 15;
-
-    // margin between the static line and the buttons
-    static const int SEPARATOR_LINE_MARGIN = 15;
-
-    // margin between "Next >" and "Cancel" buttons
-    static const int BUTTON_MARGIN = 10;
+    return m_owner->GetPageSize();
+}
 
-    // margin between Back and Next buttons
-#ifdef __WXMAC__
-    static const int BACKNEXT_MARGIN = 10;
-#else
-    static const int BACKNEXT_MARGIN = 0;
+wxSize wxWizardSizer::GetMaxChildSize()
+{
+#if !defined(__WXDEBUG__)
+    if ( m_childSizeValid )
+        return m_childSize;
 #endif
 
-    // default width and height of the page
-    static const int DEFAULT_PAGE_WIDTH = 270;
-    static const int DEFAULT_PAGE_HEIGHT = 290;
+    wxSize maxOfMin;
+    wxSizerItemList::compatibility_iterator childNode;
 
-    // create controls
-    // ---------------
+    for(childNode = m_children.GetFirst(); childNode;
+        childNode = childNode->GetNext())
+    {
+        wxSizerItem *child = childNode->GetData();
+        maxOfMin.IncTo(child->CalcMin());
+        maxOfMin.IncTo(SiblingSize(child));
+    }
 
-    wxSize sizeBtn = wxButton::GetDefaultSize();
+#ifdef __WXDEBUG__
+    if ( m_childSizeValid && m_childSize != maxOfMin )
+    {
+        wxFAIL_MSG( _T("Size changed in wxWizard::GetPageAreaSizer()")
+                    _T("after RunWizard().\n")
+                    _T("Did you forget to call GetSizer()->Fit(this) ")
+                    _T("for some page?")) ;
 
-    // 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;
+        return m_childSize;
+    }
+#endif // __WXDEBUG__
 
-    int defaultHeight;
-    if ( m_bitmap.Ok() )
+    if ( m_owner->m_started )
     {
-        m_statbmp = new wxStaticBitmap(this, -1, m_bitmap, wxPoint(m_x, m_y));
+        m_childSizeValid = true;
+        m_childSize = maxOfMin;
+    }
+    
+    return maxOfMin;
+}
+
+int wxWizardSizer::Border() const
+{
+    if ( m_owner->m_calledSetBorder )
+        return m_owner->m_border;
 
-        m_x += m_bitmap.GetWidth() + BITMAP_X_MARGIN;
+    return m_children.IsEmpty() ? 5 : 0;
+}
 
-        defaultHeight = m_bitmap.GetHeight();
-    }
-    else
+wxSize wxWizardSizer::SiblingSize(wxSizerItem *child)
+{
+    wxSize maxSibling;
+    
+    if ( child->IsWindow() )
     {
-        m_statbmp = (wxStaticBitmap *)NULL;
-
-        defaultHeight = DEFAULT_PAGE_HEIGHT;
+        wxWizardPage *page = wxDynamicCast(child->GetWindow(), wxWizardPage);
+        if ( page )
+        {
+            for ( wxWizardPage *sibling = page->GetNext();
+                  sibling;
+                  sibling = sibling->GetNext() )
+            {
+                if ( sibling->GetSizer() )
+                {
+                    maxSibling.IncTo(sibling->GetSizer()->CalcMin());
+                }
+            }
+        }
     }
+    
+    return maxSibling;
+}
 
-    // 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;
+// ----------------------------------------------------------------------------
+// generic wxWizard implementation
+// ----------------------------------------------------------------------------
 
-    int x = X_MARGIN;
-    int y = m_y + m_height + BITMAP_Y_MARGIN;
+void wxWizard::Init()
+{
+    m_posWizard = wxDefaultPosition;
+    m_page = (wxWizardPage *)NULL;
+    m_btnPrev = m_btnNext = NULL;
+    m_statbmp = NULL;
+    m_sizerBmpAndPage = NULL;
+    m_sizerPage = NULL;
+    m_calledSetBorder = false;
+    m_border = 0;
+    m_started = false;
+}
 
-#if wxUSE_STATLINE
-    (void)new wxStaticLine(this, -1, wxPoint(x, y),
-                           wxSize(m_x + m_width - x, 2));
-#endif // wxUSE_STATLINE
+bool wxWizard::Create(wxWindow *parent,
+                      int id,
+                      const wxString& title,
+                      const wxBitmap& bitmap,
+                      const wxPoint& pos,
+                      long style)
+{
+    bool result = wxDialog::Create(parent,id,title,pos,wxDefaultSize,style);
+    
+    m_posWizard = pos;
+    m_bitmap = bitmap ;
 
-    x = m_x + m_width - 3*sizeBtn.x - BUTTON_MARGIN - BACKNEXT_MARGIN;
-    y += SEPARATOR_LINE_MARGIN;
+    DoCreateControls();
+    
+    return result;
+}
 
-    if (GetExtraStyle() & wxWIZARD_EX_HELPBUTTON)
-    {
-        x -= sizeBtn.x;
-        x -= BUTTON_MARGIN ;
+void wxWizard::AddBitmapRow(wxBoxSizer *mainColumn)
+{
+    m_sizerBmpAndPage = new wxBoxSizer(wxHORIZONTAL);
+    mainColumn->Add(
+        m_sizerBmpAndPage,
+        1, // Vertically stretchable
+        wxEXPAND // Horizonal stretching, no border
+    );
+    mainColumn->Add(0,5,
+        0, // No vertical stretching
+        wxEXPAND // No border, (mostly useless) horizontal stretching
+    );
 
-        (void)new wxButton(this, wxID_HELP, _("&Help"), wxPoint(x, y), sizeBtn);
-        x += sizeBtn.x;
-        x += BUTTON_MARGIN ;
+    if ( m_bitmap.Ok() )
+    {
+        m_statbmp = new wxStaticBitmap(this, -1, m_bitmap);
+        m_sizerBmpAndPage->Add(
+            m_statbmp,
+            0, // No horizontal stretching
+            wxALL, // Border all around, top alignment
+            5 // Border width
+        );
+        m_sizerBmpAndPage->Add(
+            5,0,
+            0, // No horizontal stretching
+            wxEXPAND // No border, (mostly useless) vertical stretching
+        );
     }
 
-    m_btnPrev = new wxButton(this, wxID_BACKWARD, _("< &Back"), wxPoint(x, y), sizeBtn);
+    // Added to m_sizerBmpAndPage in FinishLayout
+    m_sizerPage = new wxWizardSizer(this);
+}
 
-    x += sizeBtn.x;
-    x += BACKNEXT_MARGIN;
+void wxWizard::AddStaticLine(wxBoxSizer *mainColumn)
+{
+#if wxUSE_STATLINE
+    mainColumn->Add(
+        new wxStaticLine(this, -1),
+        0, // Vertically unstretchable
+        wxEXPAND | wxALL, // Border all around, horizontally stretchable
+        5 // Border width
+    );
+    mainColumn->Add(0,5,
+        0, // No vertical stretching
+        wxEXPAND // No border, (mostly useless) horizontal stretching
+    );
+#else
+    (void)mainColumn;
+#endif // wxUSE_STATLINE
+}
 
-    m_btnNext = new wxButton(this, wxID_FORWARD, _("&Next >"), wxPoint(x, y), sizeBtn);
+void wxWizard::AddBackNextPair(wxBoxSizer *buttonRow)
+{
+    // margin between Back and Next buttons
+#ifdef __WXMAC__
+    static const int BACKNEXT_MARGIN = 10;
+#else
+    static const int BACKNEXT_MARGIN = 0;
+#endif
 
-    x += sizeBtn.x + BUTTON_MARGIN;
-    (void)new wxButton(this, wxID_CANCEL, _("&Cancel"), wxPoint(x, y), sizeBtn);
+    wxBoxSizer *backNextPair = new wxBoxSizer(wxHORIZONTAL);
+    buttonRow->Add(
+        backNextPair,
+        0, // No horizontal stretching
+        wxALL, // Border all around
+        5 // Border width
+    );
+    
+    m_btnPrev = new wxButton(this, wxID_BACKWARD, _("< &Back"));
+    backNextPair->Add(m_btnPrev);
+    backNextPair->Add(BACKNEXT_MARGIN,0,
+        0, // No horizontal stretching
+        wxEXPAND // No border, (mostly useless) vertical stretching
+    );
+    m_btnNext = new wxButton(this, wxID_FORWARD, _("&Next >"));
+    backNextPair->Add(m_btnNext);
+}
 
-    // position and size the dialog
-    // ----------------------------
+void wxWizard::AddButtonRow(wxBoxSizer *mainColumn)
+{
+    wxBoxSizer *buttonRow = new wxBoxSizer(wxHORIZONTAL);
+    mainColumn->Add(
+        buttonRow,
+        0, // Vertically unstretchable
+        wxALIGN_RIGHT // Right aligned, no border
+    );
 
-    SetClientSize(m_x + m_width + X_MARGIN,
-                  m_y + m_height + BITMAP_Y_MARGIN +
-                    SEPARATOR_LINE_MARGIN + sizeBtn.y + Y_MARGIN);
+    if (GetExtraStyle() & wxWIZARD_EX_HELPBUTTON)
+        buttonRow->Add(
+            new wxButton(this, wxID_HELP, _("&Help")),
+            0, // Horizontally unstretchable
+            wxALL, // Border all around, top aligned
+            5 // Border width
+        );
+
+    AddBackNextPair(buttonRow);
+    
+    buttonRow->Add(
+        new wxButton(this, wxID_CANCEL, _("&Cancel")),
+        0, // Horizontally unstretchable
+        wxALL, // Border all around, top aligned
+        5 // Border width
+    );
+}
 
-    if ( m_posWizard == wxDefaultPosition )
-    {
-        CentreOnScreen();
-    }
+void wxWizard::DoCreateControls()
+{
+    // do nothing if the controls were already created
+    if ( WasCreated() )
+        return;
+    
+    // wxWindow::SetSizer will be called at end
+    wxBoxSizer *windowSizer = new wxBoxSizer(wxVERTICAL);
+    
+    wxBoxSizer *mainColumn = new wxBoxSizer(wxVERTICAL);
+    windowSizer->Add(
+        mainColumn,
+        1, // Vertical stretching
+        wxALL | wxEXPAND, // Border all around, horizontal stretching
+        5 // Border width
+    );
+    
+    AddBitmapRow(mainColumn);
+    AddStaticLine(mainColumn);
+    AddButtonRow(mainColumn);
+    
+    // wxWindow::SetSizer should be followed by wxWindow::Fit, but
+    // this is done in FinishLayout anyway so why duplicate it
+    SetSizer(windowSizer);
 }
 
 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()!") );
-
+    wxCHECK_RET(!m_started,wxT("wxWizard::SetPageSize after RunWizard"));
     m_sizePage = size;
 }
 
-void wxWizard::FitToPage(const wxWizardPage *page)
+void wxWizard::FinishLayout()
 {
-    // otherwise it will have no effect now as it's too late...
-    wxASSERT_MSG( !WasCreated(), _T("should be called before RunWizard()!") );
+    m_sizerBmpAndPage->Add(
+        m_sizerPage,
+        1, // Horizontal stretching
+        wxEXPAND | wxALL, // Vertically stretchable
+        m_sizerPage->Border()
+    );
+    
+    GetSizer()->SetSizeHints(this);
+    if ( m_posWizard == wxDefaultPosition )
+        CentreOnScreen();
+}
 
-    wxSize sizeMax;
+void wxWizard::FitToPage(const wxWizardPage *page)
+{
+    wxCHECK_RET(!m_started,wxT("wxWizard::FitToPage after RunWizard"));
+    
     while ( page )
     {
         wxSize size = page->GetBestSize();
 
-        if ( size.x > sizeMax.x )
-            sizeMax.x = size.x;
-
-        if ( size.y > sizeMax.y )
-            sizeMax.y = size.y;
+        m_sizePage.IncTo(size);
 
         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)
@@ -373,7 +521,9 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
 
     // position and show the new page
     (void)m_page->TransferDataToWindow();
-    m_page->SetSize(m_x, m_y, m_width, m_height);
+    
+    // wxWizardSizer::RecalcSizes wants to be called when m_page changes
+    m_sizerPage->RecalcSizes();
 
     // check if bitmap needs to be updated
     // update default flag as well
@@ -425,9 +575,14 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
 bool wxWizard::RunWizard(wxWizardPage *firstPage)
 {
     wxCHECK_MSG( firstPage, FALSE, wxT("can't run empty wizard") );
-
-    DoCreateControls();
-
+    
+    // Set before FinishLayout to enable wxWizardSizer::GetMaxChildSize
+    m_started = true;
+    
+    // This cannot be done sooner, because user can change layout options
+    // up to this moment
+    FinishLayout();
+    
     // can't return FALSE here because there is no old page
     (void)ShowPage(firstPage, TRUE /* forward */);
 
@@ -441,11 +596,40 @@ 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();
+    wxSize pageSize(GetManualPageSize());
+    pageSize.IncTo(m_sizerPage->GetMaxChildSize());
+    return pageSize;
+}
 
-    return wxSize(m_width, m_height);
+wxSizer *wxWizard::GetPageAreaSizer() const
+{
+    return m_sizerPage;
+}
+
+void wxWizard::SetBorder(int border)
+{
+    wxCHECK_RET(!m_started,wxT("wxWizard::SetBorder after RunWizard"));
+
+    m_calledSetBorder = true;
+    m_border = border;
+}
+
+wxSize wxWizard::GetManualPageSize() const
+{
+    // default width and height of the page
+    static const int DEFAULT_PAGE_WIDTH = 270;
+    static const int DEFAULT_PAGE_HEIGHT = 290;
+
+    wxSize totalPageSize(DEFAULT_PAGE_WIDTH,DEFAULT_PAGE_HEIGHT);
+    
+    totalPageSize.IncTo(m_sizePage);
+    
+    if ( m_statbmp )
+    {
+        totalPageSize.IncTo(wxSize(0, m_bitmap.GetHeight()));
+    }
+    
+    return totalPageSize;
 }
 
 void wxWizard::OnCancel(wxCommandEvent& WXUNUSED(eventUnused))