/////////////////////////////////////////////////////////////////////////////
-// Name: xh_sizer.cpp
+// Name: src/xrc/xh_sizer.cpp
// Purpose: XRC resource for wxBoxSizer
// Author: Vaclav Slavik
// Created: 2000/03/21
// Copyright: (c) 2000 Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-
-#ifdef __GNUG__
-#pragma implementation "xh_sizer.h"
-#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#if wxUSE_XRC
+
#include "wx/xrc/xh_sizer.h"
-#include "wx/sizer.h"
-#include "wx/log.h"
-#include "wx/statbox.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+ #include "wx/panel.h"
+ #include "wx/statbox.h"
+ #include "wx/sizer.h"
+ #include "wx/frame.h"
+ #include "wx/dialog.h"
+ #include "wx/button.h"
+ #include "wx/scrolwin.h"
+#endif
+
+#include "wx/gbsizer.h"
+#include "wx/wrapsizer.h"
#include "wx/notebook.h"
-#include "wx/panel.h"
#include "wx/tokenzr.h"
-IMPLEMENT_DYNAMIC_CLASS(wxSizerXmlHandler, wxXmlResourceHandler)
-
-bool wxSizerXmlHandler::IsSizerNode(wxXmlNode *node)
-{
- return (IsOfClass(node, wxT("wxBoxSizer"))) ||
- (IsOfClass(node, wxT("wxStaticBoxSizer"))) ||
- (IsOfClass(node, wxT("wxGridSizer"))) ||
- (IsOfClass(node, wxT("wxFlexGridSizer")));
-}
+//-----------------------------------------------------------------------------
+// wxSizerXmlHandler
+//-----------------------------------------------------------------------------
+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);
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);
+ XRC_ADD_STYLE(wxRESERVE_SPACE_EVEN_IF_HIDDEN);
+
+ // this flag doesn't do anything any more but we can just ignore its
+ // occurrences in the old resource files instead of raising a fuss because
+ // of it
+ AddStyle("wxADJUST_MINSIZE", 0);
+
+ // wxWrapSizer-specific flags
+ XRC_ADD_STYLE(wxEXTEND_LAST_ON_EACH_LINE);
+ XRC_ADD_STYLE(wxREMOVE_LEADING_SPACES);
}
-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();
+}
+
+
+wxSizer* wxSizerXmlHandler::DoCreateSizer(const wxString& name)
+{
+ if (name == wxT("wxBoxSizer"))
+ return Handle_wxBoxSizer();
+#if wxUSE_STATBOX
+ else if (name == wxT("wxStaticBoxSizer"))
+ return Handle_wxStaticBoxSizer();
+#endif
+ else if (name == wxT("wxGridSizer"))
{
- wxXmlNode *n = GetParamNode(wxT("object"));
+ if ( !ValidateGridSizerChildren() )
+ return NULL;
+ return Handle_wxGridSizer();
+ }
+ else if (name == wxT("wxFlexGridSizer"))
+ {
+ return Handle_wxFlexGridSizer();
+ }
+ else if (name == wxT("wxGridBagSizer"))
+ {
+ return Handle_wxGridBagSizer();
+ }
+ else if (name == wxT("wxWrapSizer"))
+ {
+ return Handle_wxWrapSizer();
+ }
- if ( !n )
- n = GetParamNode(wxT("object_ref"));
+ ReportError(wxString::Format("unknown sizer class \"%s\"", name));
+ return NULL;
+}
- 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)
+
+bool wxSizerXmlHandler::IsSizerNode(wxXmlNode *node) const
+{
+ return (IsOfClass(node, wxT("wxBoxSizer"))) ||
+ (IsOfClass(node, wxT("wxStaticBoxSizer"))) ||
+ (IsOfClass(node, wxT("wxGridSizer"))) ||
+ (IsOfClass(node, wxT("wxFlexGridSizer"))) ||
+ (IsOfClass(node, wxT("wxGridBagSizer"))) ||
+ (IsOfClass(node, wxT("wxWrapSizer")));
+}
+
+
+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)
+ {
+ // 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->AssignSizer(sizer);
+ else if (wnd)
+ sitem->AssignWindow(wnd);
+ else
+ ReportError(n, "unexpected item in sizer");
+
+ // finally, set other wxSizerItem attributes
+ SetSizerItemAttributes(sitem);
+
+ AddSizerItem(sitem);
+ return item;
+ }
+ else /*n == NULL*/
+ {
+ ReportError("no window/sizer/spacer within sizeritem object");
+ return NULL;
+ }
+}
+
+
+wxObject* wxSizerXmlHandler::Handle_spacer()
+{
+ if ( !m_parentSizer )
+ {
+ ReportError("spacer only allowed inside a sizer");
+ return NULL;
+ }
+
+ wxSizerItem* sitem = MakeSizerItem();
+ SetSizerItemAttributes(sitem);
+ sitem->AssignSpacer(GetSize());
+ AddSizerItem(sitem);
+ return NULL;
+}
+
+
+wxObject* wxSizerXmlHandler::Handle_sizer()
+{
+ wxXmlNode *parentNode = m_node->GetParent();
+
+ if ( !m_parentSizer &&
+ (!parentNode || parentNode->GetType() != wxXML_ELEMENT_NODE ||
+ !m_parentAsWindow) )
+ {
+ ReportError("sizer must have a window parent");
+ return NULL;
+ }
+
+ // Create the sizer of the appropriate class.
+ wxSizer * const sizer = DoCreateSizer(m_class);
+
+ // creation of sizer failed for some (already reported) reason, so exit:
+ if ( !sizer )
+ return NULL;
+
+ 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"));
+
+ wxObject* parent = m_parent;
+#if wxUSE_STATBOX
+ // wxStaticBoxSizer's child controls should be parented by the box itself,
+ // not its parent.
+ wxStaticBoxSizer* const stsizer = wxDynamicCast(sizer, wxStaticBoxSizer);
+ if ( stsizer )
+ parent = stsizer->GetStaticBox();
+#endif // wxUSE_STATBOX
+
+ CreateChildren(parent, true/*only this handler*/);
+
+ // set growable rows and cols for sizers which support this
+ if ( wxFlexGridSizer *flexsizer = wxDynamicCast(sizer, wxFlexGridSizer) )
+ {
+ SetGrowables(flexsizer, wxT("growablerows"), true);
+ SetGrowables(flexsizer, wxT("growablecols"), false);
+ }
+
+ // 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)
+ {
+ if ( wxDynamicCast(m_parentAsWindow, wxScrolledWindow) != NULL )
{
- m_parentSizer->Add(sizer, GetLong(wxT("option")),
- GetStyle(wxT("flag")), GetDimension(wxT("border")));
- if (!(minsize == wxDefaultSize))
- m_parentSizer->SetItemMinSize(sizer, minsize.x, minsize.y);
+ sizer->FitInside(m_parentAsWindow);
}
- else if (wnd)
+ else
{
- m_parentSizer->Add(wnd, GetLong(wxT("option")),
- GetStyle(wxT("flag")), GetDimension(wxT("border")));
- if (!(minsize == wxDefaultSize))
- m_parentSizer->SetItemMinSize(wnd, minsize.x, minsize.y);
+ sizer->Fit(m_parentAsWindow);
}
- else
- wxLogError(wxT("Error in resource."));
-
- return item;
}
- else /*n == NULL*/
+ m_node = nd;
+
+ if (m_parentAsWindow->IsTopLevel())
{
- wxLogError(wxT("Error in resource: no control/sizer within sizer's <item> tag."));
- return NULL;
+ sizer->SetSizeHints(m_parentAsWindow);
}
}
-
- else if (m_class == wxT("spacer"))
- {
- 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")));
+
+ return sizer;
+}
+
+
+wxSizer* wxSizerXmlHandler::Handle_wxBoxSizer()
+{
+ return new wxBoxSizer(GetStyle(wxT("orient"), wxHORIZONTAL));
+}
+
+#if wxUSE_STATBOX
+wxSizer* wxSizerXmlHandler::Handle_wxStaticBoxSizer()
+{
+ return new wxStaticBoxSizer(
+ new wxStaticBox(m_parentAsWindow,
+ GetID(),
+ GetText(wxT("label")),
+ wxDefaultPosition, wxDefaultSize,
+ 0/*style*/,
+ GetName()),
+ GetStyle(wxT("orient"), wxHORIZONTAL));
+}
+#endif // wxUSE_STATBOX
+
+wxSizer* wxSizerXmlHandler::Handle_wxGridSizer()
+{
+ return new wxGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")),
+ GetDimension(wxT("vgap")), GetDimension(wxT("hgap")));
+}
+
+
+wxFlexGridSizer* wxSizerXmlHandler::Handle_wxFlexGridSizer()
+{
+ if ( !ValidateGridSizerChildren() )
return NULL;
- }
-
-
- else {
- wxSizer *sizer = NULL;
-
- wxXmlNode *parentNode = m_node->GetParent();
-
- wxCHECK_MSG(m_parentSizer != NULL ||
- (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));
-
- else if (m_class == wxT("wxStaticBoxSizer"))
- {
- sizer = new wxStaticBoxSizer(
- new wxStaticBox(m_parentAsWindow,
- GetID(),
- GetText(wxT("label")),
- wxDefaultPosition, wxDefaultSize,
- 0/*style*/,
- GetName()),
- 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"))
+ return new wxFlexGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")),
+ GetDimension(wxT("vgap")), GetDimension(wxT("hgap")));
+}
+
+
+wxGridBagSizer* wxSizerXmlHandler::Handle_wxGridBagSizer()
+{
+ if ( !ValidateGridSizerChildren() )
+ return NULL;
+ return new wxGridBagSizer(GetDimension(wxT("vgap")), GetDimension(wxT("hgap")));
+}
+
+wxSizer* wxSizerXmlHandler::Handle_wxWrapSizer()
+{
+ wxWrapSizer *sizer = new wxWrapSizer(GetStyle("orient"), GetStyle("flag"));
+ return sizer;
+}
+
+
+bool wxSizerXmlHandler::ValidateGridSizerChildren()
+{
+ int rows = GetLong("rows");
+ int cols = GetLong("cols");
+
+ if ( rows && cols )
+ {
+ // fixed number of cells, need to verify children count
+ int children = 0;
+ for ( wxXmlNode *n = m_node->GetChildren(); n; n = n->GetNext() )
{
- 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 ( n->GetType() == wxXML_ELEMENT_NODE &&
+ (n->GetName() == "object" || n->GetName() == "object_ref") )
{
- if (!tkn.GetNextToken().ToULong(&l))
- wxLogError(wxT("growablecols must be comma-separated list of column numbers"));
- else
- fsizer->AddGrowableCol(l);
+ children++;
}
}
- wxSize minsize = GetSize(wxT("minsize"));
- if (!(minsize == wxDefaultSize))
- sizer->SetMinSize(minsize);
+ if ( children > rows * cols )
+ {
+ ReportError
+ (
+ wxString::Format
+ (
+ "too many children in grid sizer: %d > %d x %d"
+ " (consider omitting the number of rows or columns)",
+ children,
+ cols,
+ rows
+ )
+ );
+ return false;
+ }
+ }
- 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:
+ return true;
+}
+
+
+void wxSizerXmlHandler::SetGrowables(wxFlexGridSizer* sizer,
+ const wxChar* param,
+ bool rows)
+{
+ int nrows, ncols;
+ sizer->CalcRowsCols(nrows, ncols);
+ const int nslots = rows ? nrows : ncols;
+
+ wxStringTokenizer tkn;
+ tkn.SetString(GetParamValue(param), wxT(","));
+
+ while (tkn.HasMoreTokens())
+ {
+ unsigned long l;
+ if (!tkn.GetNextToken().ToULong(&l))
{
- m_parentAsWindow->SetAutoLayout(TRUE);
- m_parentAsWindow->SetSizer(sizer);
+ ReportParamError
+ (
+ param,
+ "value must be comma-separated list of row numbers"
+ );
+ break;
+ }
- wxXmlNode *nd = m_node;
- m_node = parentNode;
- if (GetSize() == wxDefaultSize)
- sizer->Fit(m_parentAsWindow);
- m_node = nd;
+ const int n = static_cast<int>(l);
+ if ( n >= nslots )
+ {
+ ReportParamError
+ (
+ param,
+ wxString::Format
+ (
+ "invalid %s index %d: must be less than %d",
+ rows ? "row" : "column",
+ n,
+ nslots
+ )
+ );
- if (m_parentAsWindow->GetWindowStyle() & (wxRESIZE_BOX | wxRESIZE_BORDER))
- sizer->SetSizeHints(m_parentAsWindow);
+ // ignore incorrect value, still try to process the rest
+ continue;
}
-
- return sizer;
+
+ if (rows)
+ sizer->AddGrowableRow(n);
+ else
+ sizer->AddGrowableCol(n);
}
}
+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)
+{
+ 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)
{
- return ((!m_isInside && IsSizerNode(node)) ||
- (m_isInside && IsOfClass(node, wxT("sizeritem"))) ||
- (m_isInside && IsOfClass(node, wxT("spacer"))));
+ 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")));
+ }
+
+ // record the id of the item, if any, for use by XRCSIZERITEM()
+ sitem->SetId(GetID());
}
+
+void wxSizerXmlHandler::AddSizerItem(wxSizerItem* sitem)
+{
+ if (m_isGBS)
+ ((wxGridBagSizer*)m_parentSizer)->Add((wxGBSizerItem*)sitem);
+ else
+ m_parentSizer->Add(sitem);
+}
+
+
+
+//-----------------------------------------------------------------------------
+// wxStdDialogButtonSizerXmlHandler
+//-----------------------------------------------------------------------------
+#if wxUSE_BUTTON
+
+IMPLEMENT_DYNAMIC_CLASS(wxStdDialogButtonSizerXmlHandler, wxXmlResourceHandler)
+
+wxStdDialogButtonSizerXmlHandler::wxStdDialogButtonSizerXmlHandler()
+ : m_isInside(false), m_parentSizer(NULL)
+{
+}
+
+wxObject *wxStdDialogButtonSizerXmlHandler::DoCreateResource()
+{
+ if (m_class == wxT("wxStdDialogButtonSizer"))
+ {
+ wxASSERT( !m_parentSizer );
+
+ wxSizer *s = m_parentSizer = new wxStdDialogButtonSizer;
+ m_isInside = true;
+
+ CreateChildren(m_parent, true/*only this handler*/);
+
+ m_parentSizer->Realize();
+
+ m_isInside = false;
+ m_parentSizer = NULL;
+
+ return s;
+ }
+ else // m_class == "button"
+ {
+ wxASSERT( m_parentSizer );
+
+ // 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)
+ {
+ wxObject *item = CreateResFromNode(n, m_parent, NULL);
+ wxButton *button = wxDynamicCast(item, wxButton);
+
+ if (button)
+ m_parentSizer->AddButton(button);
+ else
+ ReportError(n, "expected wxButton");
+
+ return item;
+ }
+ else /*n == NULL*/
+ {
+ ReportError("no button within wxStdDialogButtonSizer");
+ return NULL;
+ }
+ }
+}
+
+bool wxStdDialogButtonSizerXmlHandler::CanHandle(wxXmlNode *node)
+{
+ return (!m_isInside && IsOfClass(node, wxT("wxStdDialogButtonSizer"))) ||
+ (m_isInside && IsOfClass(node, wxT("button")));
+}
+#endif // wxUSE_BUTTON
+
+#endif // wxUSE_XRC
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