X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a02376c832554a6bc4655241a1bf2020cb5d3838..8b0975a38e83e3a5a3874c4526bc0cee279305be:/src/xrc/xh_sizer.cpp

diff --git a/src/xrc/xh_sizer.cpp b/src/xrc/xh_sizer.cpp
index 278cc09631..806370b3a6 100644
--- a/src/xrc/xh_sizer.cpp
+++ b/src/xrc/xh_sizer.cpp
@@ -7,7 +7,7 @@
 // Copyright:   (c) 2000 Vaclav Slavik
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
- 
+
 #ifdef __GNUG__
 #pragma implementation "xh_sizer.h"
 #endif
@@ -19,25 +19,28 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_XRC
+
 #include "wx/xrc/xh_sizer.h"
 #include "wx/sizer.h"
+#include "wx/gbsizer.h"
 #include "wx/log.h"
 #include "wx/statbox.h"
 #include "wx/notebook.h"
+#include "wx/panel.h"
 #include "wx/tokenzr.h"
 
-bool wxSizerXmlHandler::IsSizerNode(wxXmlNode *node)
-{
-    return (IsOfClass(node, wxT("wxBoxSizer"))) ||
-           (IsOfClass(node, wxT("wxStaticBoxSizer"))) ||
-           (IsOfClass(node, wxT("wxGridSizer"))) ||
-           (IsOfClass(node, wxT("wxFlexGridSizer")));
-}
 
 
+IMPLEMENT_DYNAMIC_CLASS(wxSizerXmlHandler, wxXmlResourceHandler)
 
-wxSizerXmlHandler::wxSizerXmlHandler() 
-: wxXmlResourceHandler(), m_isInside(FALSE), m_parentSizer(NULL)
+
+
+wxSizerXmlHandler::wxSizerXmlHandler()
+    : wxXmlResourceHandler(),
+      m_isInside(false),
+      m_isGBS(false),
+      m_parentSizer(NULL)
 {
     XRC_ADD_STYLE(wxHORIZONTAL);
     XRC_ADD_STYLE(wxVERTICAL);
@@ -68,158 +71,296 @@ wxSizerXmlHandler::wxSizerXmlHandler()
     XRC_ADD_STYLE(wxALIGN_CENTRE_HORIZONTAL);
     XRC_ADD_STYLE(wxALIGN_CENTER_VERTICAL);
     XRC_ADD_STYLE(wxALIGN_CENTRE_VERTICAL);
-    
+
     XRC_ADD_STYLE(wxADJUST_MINSIZE);
+    XRC_ADD_STYLE(wxFIXED_MINSIZE);
 }
 
 
 
-wxObject *wxSizerXmlHandler::DoCreateResource()
-{ 
+bool wxSizerXmlHandler::CanHandle(wxXmlNode *node)
+{
+    return ( (!m_isInside && IsSizerNode(node)) ||
+             (m_isInside && IsOfClass(node, wxT("sizeritem"))) ||
+             (m_isInside && IsOfClass(node, wxT("spacer")))
+        );
+}
+
+
+wxObject* wxSizerXmlHandler::DoCreateResource()
+{
     if (m_class == wxT("sizeritem"))
+        return Handle_sizeritem();
+
+    else if (m_class == wxT("spacer"))
+        return Handle_spacer();
+
+    else
+        return Handle_sizer();
+}
+
+
+
+
+bool wxSizerXmlHandler::IsSizerNode(wxXmlNode *node)
+{
+    return (IsOfClass(node, wxT("wxBoxSizer"))) ||
+           (IsOfClass(node, wxT("wxStaticBoxSizer"))) ||
+           (IsOfClass(node, wxT("wxGridSizer"))) ||
+           (IsOfClass(node, wxT("wxFlexGridSizer"))) ||
+           (IsOfClass(node, wxT("wxGridBagSizer")));
+}
+
+
+wxObject* wxSizerXmlHandler::Handle_sizeritem()
+{
+    // find the item to be managed by this sizeritem
+    wxXmlNode *n = GetParamNode(wxT("object"));
+    if ( !n )
+        n = GetParamNode(wxT("object_ref"));
+
+    // did we find one?
+    if (n)
     {
-        wxXmlNode *n = GetParamNode(wxT("object"));
-
-       if ( !n )
-           n = GetParamNode(wxT("object_ref"));
-
-        if (n)
-        {
-            bool old_ins = m_isInside;
-            wxSizer *old_par = m_parentSizer;
-            m_isInside = FALSE;
-            if (!IsSizerNode(n)) m_parentSizer = NULL;
-            wxObject *item = CreateResFromNode(n, m_parent, NULL);
-            m_isInside = old_ins;
-            m_parentSizer = old_par;
-            wxSizer *sizer = wxDynamicCast(item, wxSizer);
-            wxWindow *wnd = wxDynamicCast(item, wxWindow);
-            wxSize minsize = GetSize(wxT("minsize"));
-
-            if (sizer)
-            {
-                m_parentSizer->Add(sizer, GetLong(wxT("option")), 
-                                   GetStyle(wxT("flag")), GetDimension(wxT("border")));
-                if (!(minsize == wxDefaultSize))
-                    m_parentSizer->SetItemMinSize(sizer, minsize.x, minsize.y);
-            }
-            else if (wnd)
-            {
-                m_parentSizer->Add(wnd, GetLong(wxT("option")), 
-                                   GetStyle(wxT("flag")), GetDimension(wxT("border")));
-                if (!(minsize == wxDefaultSize))
-                    m_parentSizer->SetItemMinSize(wnd, minsize.x, minsize.y);
-            }
-            else 
-                wxLogError(wxT("Error in resource."));
-
-            return item;
-        }
-        else /*n == NULL*/
-        {
-            wxLogError(wxT("Error in resource: no control/sizer within sizer's <item> tag."));
-            return NULL;
-        }
+        // create a sizer item for it
+        wxSizerItem* sitem = MakeSizerItem();
+
+        // now fetch the item to be managed
+        bool old_gbs = m_isGBS;
+        bool old_ins = m_isInside;
+        wxSizer *old_par = m_parentSizer;
+        m_isInside = false;
+        if (!IsSizerNode(n)) m_parentSizer = NULL;
+        wxObject *item = CreateResFromNode(n, m_parent, NULL);
+        m_isInside = old_ins;
+        m_parentSizer = old_par;
+        m_isGBS = old_gbs;
+
+        // and figure out what type it is
+        wxSizer *sizer = wxDynamicCast(item, wxSizer);
+        wxWindow *wnd = wxDynamicCast(item, wxWindow);
+
+        if (sizer)
+            sitem->SetSizer(sizer);
+        else if (wnd)
+            sitem->SetWindow(wnd);
+        else
+            wxLogError(wxT("Error in resource."));
+
+        // finally, set other wxSizerItem attributes
+        SetSizerItemAttributes(sitem);
+
+        AddSizerItem(sitem);
+        return item;
     }
-    
-    else if (m_class == wxT("spacer"))
+    else /*n == NULL*/
     {
-        wxCHECK_MSG(m_parentSizer, NULL, wxT("Incorrect syntax of XRC resource: spacer not within sizer!"));
-        wxSize sz = GetSize();
-        m_parentSizer->Add(sz.x, sz.y,
-            GetLong(wxT("option")), GetStyle(wxT("flag")), GetDimension(wxT("border")));
+        wxLogError(wxT("Error in resource: no window/sizer/spacer within sizeritem object."));
         return NULL;
     }
-    
-
-    else {
-        wxSizer *sizer = NULL;
-        
-        wxXmlNode *parentNode = m_node->GetParent();
-
-        wxCHECK_MSG(m_parentSizer != NULL ||
-                ((IsOfClass(parentNode, wxT("wxPanel")) ||
-                  IsOfClass(parentNode, wxT("wxFrame")) ||
-                  IsOfClass(parentNode, wxT("wxDialog"))) &&
-                 parentNode->GetType() == wxXML_ELEMENT_NODE), NULL,
+}
+
+
+wxObject* wxSizerXmlHandler::Handle_spacer()
+{
+    wxCHECK_MSG(m_parentSizer, NULL, wxT("Incorrect syntax of XRC resource: spacer not within sizer!"));
+
+    wxSizerItem* sitem = MakeSizerItem();
+    SetSizerItemAttributes(sitem);
+    sitem->SetSpacer(GetSize());
+    AddSizerItem(sitem);
+    return NULL;
+}
+
+
+wxObject* wxSizerXmlHandler::Handle_sizer()
+{
+    wxSizer *sizer = NULL;
+
+    wxXmlNode *parentNode = m_node->GetParent();
+
+    wxCHECK_MSG(m_parentSizer != NULL ||
+                (parentNode && parentNode->GetType() == wxXML_ELEMENT_NODE &&
+                 m_parentAsWindow != NULL &&
+                 (m_parentAsWindow->IsKindOf(CLASSINFO(wxPanel)) ||
+                  m_parentAsWindow->IsKindOf(CLASSINFO(wxFrame)) ||
+                  m_parentAsWindow->IsKindOf(CLASSINFO(wxDialog)))
+                    ), NULL,
                 wxT("Incorrect use of sizer: parent is not 'wxDialog', 'wxFrame' or 'wxPanel'."));
 
-        if (m_class == wxT("wxBoxSizer"))
-            sizer = new wxBoxSizer(GetStyle(wxT("orient"), wxHORIZONTAL));
+    if (m_class == wxT("wxBoxSizer"))
+        sizer = Handle_wxBoxSizer();
 
-        else if (m_class == wxT("wxStaticBoxSizer"))
-        {
-            sizer = new wxStaticBoxSizer(
-                         new wxStaticBox(m_parentAsWindow, -1, GetText(wxT("label"))),
-                         GetStyle(wxT("orient"), wxHORIZONTAL));
-        }
-        
-        else if (m_class == wxT("wxGridSizer"))
-            sizer = new wxGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")),
-                                    GetDimension(wxT("vgap")), GetDimension(wxT("hgap")));
-                                    
-        else if (m_class == wxT("wxFlexGridSizer"))
-        {
-            wxFlexGridSizer *fsizer = 
-                  new wxFlexGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")),
-                      GetDimension(wxT("vgap")), GetDimension(wxT("hgap")));
-            sizer = fsizer;
-            wxStringTokenizer tkn;
-            unsigned long l;
-            tkn.SetString(GetParamValue(wxT("growablerows")), wxT(","));
-            while (tkn.HasMoreTokens())
-            {
-                if (!tkn.GetNextToken().ToULong(&l))
-                    wxLogError(wxT("growablerows must be comma-separated list of row numbers"));
-                else
-                    fsizer->AddGrowableRow(l);
-            }
-            tkn.SetString(GetParamValue(wxT("growablecols")), wxT(","));
-            while (tkn.HasMoreTokens())
-            {
-                if (!tkn.GetNextToken().ToULong(&l))
-                    wxLogError(wxT("growablecols must be comma-separated list of column numbers"));
-                else
-                    fsizer->AddGrowableCol(l);
-            }
-        }
+    else if (m_class == wxT("wxStaticBoxSizer"))
+        sizer = Handle_wxStaticBoxSizer();
 
-        wxSize minsize = GetSize(wxT("minsize"));
-        if (!(minsize == wxDefaultSize))
-            sizer->SetMinSize(minsize);
+    else if (m_class == wxT("wxGridSizer"))
+        sizer = Handle_wxGridSizer();
 
-        wxSizer *old_par = m_parentSizer;
-        m_parentSizer = sizer;
-        bool old_ins = m_isInside;
-        m_isInside = TRUE;
-        CreateChildren(m_parent, TRUE/*only this handler*/);
-        m_isInside = old_ins;
-        m_parentSizer = old_par;
-        
-        if (m_parentSizer == NULL) // setup window:
-        {
-            m_parentAsWindow->SetAutoLayout(TRUE);
-            m_parentAsWindow->SetSizer(sizer);
-
-            wxXmlNode *nd = m_node;
-            m_node = parentNode;
-            if (GetSize() == wxDefaultSize)
-                sizer->Fit(m_parentAsWindow);
-            m_node = nd;
-
-            if (m_parentAsWindow->GetWindowStyle() & (wxRESIZE_BOX | wxRESIZE_BORDER))
-                sizer->SetSizeHints(m_parentAsWindow);
+    else if (m_class == wxT("wxFlexGridSizer"))
+        sizer = Handle_wxFlexGridSizer();
+
+    else if (m_class == wxT("wxGridBagSizer"))
+        sizer = Handle_wxGridBagSizer();
+
+
+    wxSize minsize = GetSize(wxT("minsize"));
+    if (!(minsize == wxDefaultSize))
+        sizer->SetMinSize(minsize);
+
+    // save state
+    wxSizer *old_par = m_parentSizer;
+    bool old_ins = m_isInside;
+
+    // set new state
+    m_parentSizer = sizer;
+    m_isInside = true;
+    m_isGBS = (m_class == wxT("wxGridBagSizer"));
+
+    CreateChildren(m_parent, true/*only this handler*/);
+
+    // restore state
+    m_isInside = old_ins;
+    m_parentSizer = old_par;
+
+    if (m_parentSizer == NULL) // setup window:
+    {
+        m_parentAsWindow->SetSizer(sizer);
+
+        wxXmlNode *nd = m_node;
+        m_node = parentNode;
+        if (GetSize() == wxDefaultSize)
+            sizer->Fit(m_parentAsWindow);
+        m_node = nd;
+
+        if (m_parentAsWindow->GetWindowStyle() & (wxRESIZE_BOX | wxRESIZE_BORDER))
+            sizer->SetSizeHints(m_parentAsWindow);
+    }
+
+    return sizer;
+}
+
+
+wxSizer*  wxSizerXmlHandler::Handle_wxBoxSizer()
+{
+    return new wxBoxSizer(GetStyle(wxT("orient"), wxHORIZONTAL));
+}
+
+wxSizer*  wxSizerXmlHandler::Handle_wxStaticBoxSizer()
+{
+    return new wxStaticBoxSizer(
+            new wxStaticBox(m_parentAsWindow,
+                            GetID(),
+                            GetText(wxT("label")),
+                            wxDefaultPosition, wxDefaultSize,
+                            0/*style*/,
+                            GetName()),
+            GetStyle(wxT("orient"), wxHORIZONTAL));
+}
+
+wxSizer*  wxSizerXmlHandler::Handle_wxGridSizer()
+{
+    return new wxGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")),
+                           GetDimension(wxT("vgap")), GetDimension(wxT("hgap")));
+}
+
+
+wxSizer*  wxSizerXmlHandler::Handle_wxFlexGridSizer()
+{
+    wxFlexGridSizer *sizer =
+        new wxFlexGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")),
+                            GetDimension(wxT("vgap")), GetDimension(wxT("hgap")));
+    SetGrowables(sizer, wxT("growablerows"), true);
+    SetGrowables(sizer, wxT("growablecols"), false);
+    return sizer;
+}
+
+
+wxSizer*  wxSizerXmlHandler::Handle_wxGridBagSizer()
+{
+    wxGridBagSizer *sizer =
+        new wxGridBagSizer(GetDimension(wxT("vgap")), GetDimension(wxT("hgap")));
+    SetGrowables(sizer, wxT("growablerows"), true);
+    SetGrowables(sizer, wxT("growablecols"), false);
+    return sizer;
+}
+
+
+
+
+void wxSizerXmlHandler::SetGrowables(wxFlexGridSizer* sizer,
+                                     const wxChar* param,
+                                     bool rows)
+{
+    wxStringTokenizer tkn;
+    unsigned long l;
+    tkn.SetString(GetParamValue(param), wxT(","));
+    while (tkn.HasMoreTokens())
+    {
+        if (!tkn.GetNextToken().ToULong(&l))
+            wxLogError(wxT("growable[rows|cols] must be comma-separated list of row numbers"));
+        else {
+            if (rows)
+                sizer->AddGrowableRow(l);
+            else
+                sizer->AddGrowableCol(l);
         }
-        
-        return sizer;
     }
 }
 
 
+wxGBPosition wxSizerXmlHandler::GetGBPos(const wxString& param)
+{
+    wxSize sz = GetSize(param);
+    if (sz.x < 0) sz.x = 0;
+    if (sz.y < 0) sz.y = 0;
+    return wxGBPosition(sz.x, sz.y);
+}
 
-bool wxSizerXmlHandler::CanHandle(wxXmlNode *node)
+wxGBSpan wxSizerXmlHandler::GetGBSpan(const wxString& param)
 {
-    return ((!m_isInside && IsSizerNode(node)) ||
-            (m_isInside && IsOfClass(node, wxT("sizeritem"))) ||
-            (m_isInside && IsOfClass(node, wxT("spacer"))));
+    wxSize sz = GetSize(param);
+    if (sz.x < 1) sz.x = 1;
+    if (sz.y < 1) sz.y = 1;
+    return wxGBSpan(sz.x, sz.y);
 }
+
+
+
+wxSizerItem* wxSizerXmlHandler::MakeSizerItem()
+{
+    if (m_isGBS)
+        return new wxGBSizerItem();
+    else
+        return new wxSizerItem();
+}
+
+void wxSizerXmlHandler::SetSizerItemAttributes(wxSizerItem* sitem)
+{
+    sitem->SetProportion(GetLong(wxT("option")));  // Should this check for "proportion" too?
+    sitem->SetFlag(GetStyle(wxT("flag")));
+    sitem->SetBorder(GetDimension(wxT("border")));
+    wxSize sz = GetSize(wxT("minsize"));
+    if (!(sz == wxDefaultSize))
+        sitem->SetMinSize(sz);
+    sz = GetSize(wxT("ratio"));
+    if (!(sz == wxDefaultSize))
+        sitem->SetRatio(sz);
+
+    if (m_isGBS)
+    {
+        wxGBSizerItem* gbsitem = (wxGBSizerItem*)sitem;
+        gbsitem->SetPos(GetGBPos(wxT("cellpos")));
+        gbsitem->SetSpan(GetGBSpan(wxT("cellspan")));
+    }
+}
+
+void wxSizerXmlHandler::AddSizerItem(wxSizerItem* sitem)
+{
+    if (m_isGBS)
+        ((wxGridBagSizer*)m_parentSizer)->Add((wxGBSizerItem*)sitem);
+    else
+        m_parentSizer->Add(sitem);
+}
+
+#endif // wxUSE_XRC