/////////////////////////////////////////////////////////////////////////////
-// Name: gbsizer.h
+// Name: wx/gbsizer.h
// Purpose: wxGridBagSizer: A sizer that can lay out items in a grid,
// with items at specified cells, and with the option of row
// and/or column spanning
//
// Author: Robin Dunn
// Created: 03-Nov-2003
-// RCS-ID: $Id$
// Copyright: (c) Robin Dunn
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
class WXDLLIMPEXP_CORE wxGBSpan
{
public:
- wxGBSpan() : m_rowspan(1), m_colspan(1) {}
- wxGBSpan(int rowspan, int colspan) : m_rowspan(rowspan), m_colspan(colspan) {}
+ wxGBSpan() { Init(); }
+ wxGBSpan(int rowspan, int colspan)
+ {
+ // Initialize the members to valid values as not doing it may result in
+ // infinite loop in wxGBSizer code if the user passed 0 for any of
+ // them, see #12934.
+ Init();
+
+ SetRowspan(rowspan);
+ SetColspan(colspan);
+ }
// default copy ctor and assignment operator are okay.
+ // Factor constructor creating an invalid wxGBSpan: this is mostly supposed
+ // to be used as return value for functions returning wxGBSpan in case of
+ // errors.
+ static wxGBSpan Invalid()
+ {
+ return wxGBSpan(NULL);
+ }
+
int GetRowspan() const { return m_rowspan; }
int GetColspan() const { return m_colspan; }
- void SetRowspan(int rowspan) { m_rowspan = rowspan; }
- void SetColspan(int colspan) { m_colspan = colspan; }
+ void SetRowspan(int rowspan)
+ {
+ wxCHECK_RET( rowspan > 0, "Row span should be strictly positive" );
+
+ m_rowspan = rowspan;
+ }
+
+ void SetColspan(int colspan)
+ {
+ wxCHECK_RET( colspan > 0, "Column span should be strictly positive" );
+
+ m_colspan = colspan;
+ }
bool operator==(const wxGBSpan& o) const { return m_rowspan == o.m_rowspan && m_colspan == o.m_colspan; }
bool operator!=(const wxGBSpan& o) const { return !(*this == o); }
private:
+ // This private ctor is used by Invalid() only.
+ wxGBSpan(struct InvalidCtorTag*)
+ {
+ m_rowspan =
+ m_colspan = -1;
+ }
+
+ void Init()
+ {
+ m_rowspan =
+ m_colspan = 1;
+ }
+
int m_rowspan;
int m_colspan;
};
wxGBSizerItem( int width,
int height,
const wxGBPosition& pos,
- const wxGBSpan& span,
- int flag,
- int border,
- wxObject* userData);
+ const wxGBSpan& span=wxDefaultSpan,
+ int flag=0,
+ int border=0,
+ wxObject* userData=NULL);
// window
wxGBSizerItem( wxWindow *window,
const wxGBPosition& pos,
- const wxGBSpan& span,
- int flag,
- int border,
- wxObject* userData );
+ const wxGBSpan& span=wxDefaultSpan,
+ int flag=0,
+ int border=0,
+ wxObject* userData=NULL );
// subsizer
wxGBSizerItem( wxSizer *sizer,
const wxGBPosition& pos,
- const wxGBSpan& span,
- int flag,
- int border,
- wxObject* userData );
+ const wxGBSpan& span=wxDefaultSpan,
+ int flag=0,
+ int border=0,
+ wxObject* userData=NULL );
// default ctor
wxGBSizerItem();
// is successful and after the next Layout the item will be resized.
bool SetSpan( const wxGBSpan& span );
- // Returns true if this item and the other item instersect
+ // Returns true if this item and the other item intersect
bool Intersects(const wxGBSizerItem& other);
// Returns true if the given pos/span would intersect with this item.
private:
DECLARE_DYNAMIC_CLASS(wxGBSizerItem)
- DECLARE_NO_COPY_CLASS(wxGBSizerItem)
+ wxDECLARE_NO_COPY_CLASS(wxGBSizerItem);
};
protected:
wxGBPosition FindEmptyCell();
+ void AdjustForOverflow();
wxSize m_emptyCellSize;
private:
DECLARE_CLASS(wxGridBagSizer)
- DECLARE_NO_COPY_CLASS(wxGridBagSizer)
+ wxDECLARE_NO_COPY_CLASS(wxGridBagSizer);
};
//---------------------------------------------------------------------------