// Author: Robert Roebling and Robin Dunn
// Modified by: Ron Lee, Vadim Zeitlin (wxSizerFlags)
// Created:
-// RCS-ID: $Id$
// Copyright: (c) Robin Dunn, Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
wxSizerFlags& Border(int direction, int borderInPixels)
{
+ wxCHECK_MSG( !(direction & ~wxALL), *this,
+ wxS("direction must be a combination of wxDirection ")
+ wxS("enum values.") );
+
m_flags &= ~wxALL;
m_flags |= direction;
public:
// window
wxSizerItem( wxWindow *window,
- int proportion,
- int flag,
- int border,
- wxObject* userData );
+ int proportion=0,
+ int flag=0,
+ int border=0,
+ wxObject* userData=NULL );
// window with flags
wxSizerItem(wxWindow *window, const wxSizerFlags& flags)
// subsizer
wxSizerItem( wxSizer *sizer,
- int proportion,
- int flag,
- int border,
- wxObject* userData );
+ int proportion=0,
+ int flag=0,
+ int border=0,
+ wxObject* userData=NULL );
// sizer with flags
wxSizerItem(wxSizer *sizer, const wxSizerFlags& flags)
// spacer
wxSizerItem( int width,
int height,
- int proportion,
- int flag,
- int border,
- wxObject* userData);
+ int proportion=0,
+ int flag=0,
+ int border=0,
+ wxObject* userData=NULL);
// spacer with flags
wxSizerItem(int width, int height, const wxSizerFlags& flags)
{ return m_minSize; }
wxSize GetMinSizeWithBorder() const;
+ wxSize GetMaxSize() const
+ { return IsWindow() ? m_window->GetMaxSize() : wxDefaultSize; }
+ wxSize GetMaxSizeWithBorder() const;
+
void SetMinSize(const wxSize& size)
{
if ( IsWindow() )
void DoSetSizer(wxSizer *sizer);
void DoSetSpacer(const wxSize& size);
+ // Add the border specified for this item to the given size
+ // if it's != wxDefaultSize, just return wxDefaultSize otherwise.
+ wxSize AddBorderToSize(const wxSize& size) const;
+
// discriminated union: depending on m_kind one of the fields is valid
enum
{
wxSizerItem* Add( int width, int height, const wxSizerFlags& flags);
wxSizerItem* Add( wxSizerItem *item);
- wxSizerItem* AddSpacer(int size);
+ virtual wxSizerItem *AddSpacer(int size);
wxSizerItem* AddStretchSpacer(int prop = 1);
wxSizerItem* Insert(size_t index,
int width,
int height,
const wxSizerFlags& flags);
- virtual wxSizerItem* Insert( size_t index, wxSizerItem *item);
+
+ // NB: do _not_ override this function in the derived classes, this one is
+ // virtual for compatibility reasons only to allow old code overriding
+ // it to continue to work, override DoInsert() instead in the new code
+ virtual wxSizerItem* Insert(size_t index, wxSizerItem *item);
wxSizerItem* InsertSpacer(size_t index, int size);
wxSizerItem* InsertStretchSpacer(size_t index, int prop = 1);
virtual void DeleteWindows();
// Inform sizer about the first direction that has been decided (by parent item)
- // Returns true if it made use of the informtion (and recalculated min size)
+ // Returns true if it made use of the information (and recalculated min size)
virtual bool InformFirstDirection( int WXUNUSED(direction), int WXUNUSED(size), int WXUNUSED(availableOtherDir) )
{ return false; }
m_position = pos;
m_size = size;
Layout();
+
+ // This call is required for wxWrapSizer to be able to calculate its
+ // minimal size correctly.
+ InformFirstDirection(wxHORIZONTAL, size.x, size.y);
}
void SetDimension(int x, int y, int width, int height)
{ SetDimension(wxPoint(x, y), wxSize(width, height)); }
void Show(bool show) { ShowItems(show); }
+ // This is the ShowItems() counterpart and returns true if any of the sizer
+ // items are shown.
+ virtual bool AreAnyItemsShown() const;
+
protected:
wxSize m_size;
wxSize m_minSize;
virtual bool DoSetItemMinSize( wxSizer *sizer, int width, int height );
virtual bool DoSetItemMinSize( size_t index, int width, int height );
+ // insert a new item into m_children at given index and return the item
+ // itself
+ virtual wxSizerItem* DoInsert(size_t index, wxSizerItem *item);
+
private:
DECLARE_CLASS(wxSizer)
};
class WXDLLIMPEXP_CORE wxGridSizer: public wxSizer
{
public:
- wxGridSizer( int rows, int cols, int vgap, int hgap );
- wxGridSizer( int cols, int vgap = 0, int hgap = 0 );
+ // ctors specifying the number of columns only: number of rows will be
+ // deduced automatically depending on the number of sizer elements
+ wxGridSizer( int cols, int vgap, int hgap );
+ wxGridSizer( int cols, const wxSize& gap = wxSize(0, 0) );
- virtual wxSizerItem *Insert(size_t index, wxSizerItem *item);
+ // ctors specifying the number of rows and columns
+ wxGridSizer( int rows, int cols, int vgap, int hgap );
+ wxGridSizer( int rows, int cols, const wxSize& gap );
virtual void RecalcSizes();
virtual wxSize CalcMin();
- void SetCols( int cols ) { m_cols = cols; }
- void SetRows( int rows ) { m_rows = rows; }
+ void SetCols( int cols )
+ {
+ wxASSERT_MSG( cols >= 0, "Number of columns must be non-negative");
+ m_cols = cols;
+ }
+
+ void SetRows( int rows )
+ {
+ wxASSERT_MSG( rows >= 0, "Number of rows must be non-negative");
+ m_rows = rows;
+ }
+
void SetVGap( int gap ) { m_vgap = gap; }
void SetHGap( int gap ) { m_hgap = gap; }
int GetCols() const { return m_cols; }
int GetVGap() const { return m_vgap; }
int GetHGap() const { return m_hgap; }
+ int GetEffectiveColsCount() const { return m_cols ? m_cols : CalcCols(); }
+ int GetEffectiveRowsCount() const { return m_rows ? m_rows : CalcRows(); }
+
// return the number of total items and the number of columns and rows
// (for internal use only)
int CalcRowsCols(int& rows, int& cols) const;
protected:
+ // the number of rows/columns in the sizer, if 0 then it is determined
+ // dynamically depending on the total number of items
int m_rows;
int m_cols;
+
+ // gaps between rows and columns
int m_vgap;
int m_hgap;
+ virtual wxSizerItem *DoInsert(size_t index, wxSizerItem *item);
+
void SetItemBounds( wxSizerItem *item, int x, int y, int w, int h );
+ // returns the number of columns/rows needed for the current total number
+ // of children (and the fixed number of rows/columns)
+ int CalcCols() const
+ {
+ wxCHECK_MSG
+ (
+ m_rows, 0,
+ "Can't calculate number of cols if number of rows is not specified"
+ );
+
+ return int(m_children.GetCount() + m_rows - 1) / m_rows;
+ }
+
+ int CalcRows() const
+ {
+ wxCHECK_MSG
+ (
+ m_cols, 0,
+ "Can't calculate number of cols if number of rows is not specified"
+ );
+
+ return int(m_children.GetCount() + m_cols - 1) / m_cols;
+ }
+
private:
DECLARE_CLASS(wxGridSizer)
};
class WXDLLIMPEXP_CORE wxFlexGridSizer: public wxGridSizer
{
public:
- // ctors/dtor
+ // ctors specifying the number of columns only: number of rows will be
+ // deduced automatically depending on the number of sizer elements
+ wxFlexGridSizer( int cols, int vgap, int hgap );
+ wxFlexGridSizer( int cols, const wxSize& gap = wxSize(0, 0) );
+
+ // ctors specifying the number of rows and columns
wxFlexGridSizer( int rows, int cols, int vgap, int hgap );
- wxFlexGridSizer( int cols, int vgap = 0, int hgap = 0 );
- virtual ~wxFlexGridSizer();
+ wxFlexGridSizer( int rows, int cols, const wxSize& gap );
+ // dtor
+ virtual ~wxFlexGridSizer();
// set the rows/columns which will grow (the others will remain of the
// constant initial size)
m_totalProportion = 0;
wxASSERT_MSG( m_orient == wxHORIZONTAL || m_orient == wxVERTICAL,
- _T("invalid value for wxBoxSizer orientation") );
+ wxT("invalid value for wxBoxSizer orientation") );
}
+ virtual wxSizerItem *AddSpacer(int size);
+
int GetOrientation() const { return m_orient; }
bool IsVertical() const { return m_orient == wxVERTICAL; }
// override to hide/show the static box as well
virtual void ShowItems (bool show);
+ virtual bool AreAnyItemsShown() const;
virtual bool Detach( wxWindow *window );
virtual bool Detach( wxSizer *sizer ) { return wxBoxSizer::Detach(sizer); }
#endif // WXWIN_COMPATIBILITY_2_8
+inline wxSizerItem*
+wxSizer::Insert(size_t index, wxSizerItem *item)
+{
+ return DoInsert(index, item);
+}
+
inline wxSizerItem*
wxSizer::Add( wxSizerItem *item )
projects / wxWidgets.git / blobdiff