1300 lines
38 KiB
C++
1300 lines
38 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/sizer.h
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// Purpose: provide wxSizer class for layout
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// Author: Robert Roebling and Robin Dunn
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// Modified by: Ron Lee, Vadim Zeitlin (wxSizerFlags)
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// Created:
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// RCS-ID: $Id: sizer.h 69970 2011-12-10 04:34:06Z RD $
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// Copyright: (c) Robin Dunn, Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __WXSIZER_H__
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#define __WXSIZER_H__
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#include "wx/defs.h"
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#include "wx/window.h"
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//---------------------------------------------------------------------------
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// classes
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//---------------------------------------------------------------------------
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class WXDLLIMPEXP_FWD_CORE wxButton;
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class WXDLLIMPEXP_FWD_CORE wxBoxSizer;
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class WXDLLIMPEXP_FWD_CORE wxSizerItem;
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class WXDLLIMPEXP_FWD_CORE wxSizer;
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#ifndef wxUSE_BORDER_BY_DEFAULT
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#ifdef __SMARTPHONE__
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// no borders by default on limited size screen
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#define wxUSE_BORDER_BY_DEFAULT 0
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#else
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#define wxUSE_BORDER_BY_DEFAULT 1
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#endif
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#endif
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// ----------------------------------------------------------------------------
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// wxSizerFlags: flags used for an item in the sizer
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxSizerFlags
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{
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public:
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// construct the flags object initialized with the given proportion (0 by
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// default)
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wxSizerFlags(int proportion = 0) : m_proportion(proportion)
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{
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m_flags = 0;
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m_borderInPixels = 0;
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}
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// setters for all sizer flags, they all return the object itself so that
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// calls to them can be chained
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wxSizerFlags& Proportion(int proportion)
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{
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m_proportion = proportion;
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return *this;
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}
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wxSizerFlags& Expand()
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{
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m_flags |= wxEXPAND;
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return *this;
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}
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// notice that Align() replaces the current alignment flags, use specific
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// methods below such as Top(), Left() &c if you want to set just the
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// vertical or horizontal alignment
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wxSizerFlags& Align(int alignment) // combination of wxAlignment values
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{
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m_flags &= ~wxALIGN_MASK;
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m_flags |= alignment;
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return *this;
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}
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// some shortcuts for Align()
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wxSizerFlags& Centre() { return Align(wxALIGN_CENTRE); }
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wxSizerFlags& Center() { return Centre(); }
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wxSizerFlags& Top()
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{
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m_flags &= ~(wxALIGN_BOTTOM | wxALIGN_CENTRE_VERTICAL);
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return *this;
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}
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wxSizerFlags& Left()
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{
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m_flags &= ~(wxALIGN_RIGHT | wxALIGN_CENTRE_HORIZONTAL);
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return *this;
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}
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wxSizerFlags& Right()
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{
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m_flags = (m_flags & ~wxALIGN_CENTRE_HORIZONTAL) | wxALIGN_RIGHT;
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return *this;
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}
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wxSizerFlags& Bottom()
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{
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m_flags = (m_flags & ~wxALIGN_CENTRE_VERTICAL) | wxALIGN_BOTTOM;
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return *this;
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}
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// default border size used by Border() below
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static int GetDefaultBorder()
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{
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#if wxUSE_BORDER_BY_DEFAULT
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#ifdef __WXGTK20__
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// GNOME HIG says to use 6px as the base unit:
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// http://library.gnome.org/devel/hig-book/stable/design-window.html.en
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return 6;
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#else
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// FIXME: default border size shouldn't be hardcoded and at the very
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// least they should depend on the current font size
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return 5;
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#endif
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#else
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return 0;
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#endif
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}
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wxSizerFlags& Border(int direction, int borderInPixels)
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{
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m_flags &= ~wxALL;
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m_flags |= direction;
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m_borderInPixels = borderInPixels;
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return *this;
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}
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wxSizerFlags& Border(int direction = wxALL)
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{
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#if wxUSE_BORDER_BY_DEFAULT
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return Border(direction, GetDefaultBorder());
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#else
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// no borders by default on limited size screen
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wxUnusedVar(direction);
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return *this;
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#endif
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}
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wxSizerFlags& DoubleBorder(int direction = wxALL)
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{
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#if wxUSE_BORDER_BY_DEFAULT
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return Border(direction, 2*GetDefaultBorder());
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#else
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wxUnusedVar(direction);
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return *this;
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#endif
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}
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wxSizerFlags& TripleBorder(int direction = wxALL)
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{
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#if wxUSE_BORDER_BY_DEFAULT
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return Border(direction, 3*GetDefaultBorder());
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#else
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wxUnusedVar(direction);
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return *this;
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#endif
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}
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wxSizerFlags& HorzBorder()
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{
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#if wxUSE_BORDER_BY_DEFAULT
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return Border(wxLEFT | wxRIGHT, GetDefaultBorder());
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#else
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return *this;
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#endif
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}
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wxSizerFlags& DoubleHorzBorder()
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{
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#if wxUSE_BORDER_BY_DEFAULT
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return Border(wxLEFT | wxRIGHT, 2*GetDefaultBorder());
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#else
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return *this;
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#endif
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}
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// setters for the others flags
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wxSizerFlags& Shaped()
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{
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m_flags |= wxSHAPED;
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return *this;
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}
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wxSizerFlags& FixedMinSize()
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{
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m_flags |= wxFIXED_MINSIZE;
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return *this;
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}
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// makes the item ignore window's visibility status
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wxSizerFlags& ReserveSpaceEvenIfHidden()
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{
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m_flags |= wxRESERVE_SPACE_EVEN_IF_HIDDEN;
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return *this;
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}
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// accessors for wxSizer only
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int GetProportion() const { return m_proportion; }
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int GetFlags() const { return m_flags; }
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int GetBorderInPixels() const { return m_borderInPixels; }
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private:
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int m_proportion;
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int m_flags;
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int m_borderInPixels;
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};
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// ----------------------------------------------------------------------------
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// wxSizerSpacer: used by wxSizerItem to represent a spacer
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxSizerSpacer
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{
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public:
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wxSizerSpacer(const wxSize& size) : m_size(size), m_isShown(true) { }
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void SetSize(const wxSize& size) { m_size = size; }
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const wxSize& GetSize() const { return m_size; }
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void Show(bool show) { m_isShown = show; }
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bool IsShown() const { return m_isShown; }
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private:
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// the size, in pixel
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wxSize m_size;
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// is the spacer currently shown?
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bool m_isShown;
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};
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// ----------------------------------------------------------------------------
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// wxSizerItem
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxSizerItem : public wxObject
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{
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public:
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// window
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wxSizerItem( wxWindow *window,
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int proportion=0,
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int flag=0,
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int border=0,
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wxObject* userData=NULL );
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// window with flags
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wxSizerItem(wxWindow *window, const wxSizerFlags& flags)
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{
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Init(flags);
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DoSetWindow(window);
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}
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// subsizer
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wxSizerItem( wxSizer *sizer,
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int proportion=0,
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int flag=0,
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int border=0,
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wxObject* userData=NULL );
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// sizer with flags
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wxSizerItem(wxSizer *sizer, const wxSizerFlags& flags)
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{
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Init(flags);
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DoSetSizer(sizer);
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}
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// spacer
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wxSizerItem( int width,
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int height,
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int proportion=0,
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int flag=0,
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int border=0,
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wxObject* userData=NULL);
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// spacer with flags
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wxSizerItem(int width, int height, const wxSizerFlags& flags)
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{
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Init(flags);
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DoSetSpacer(wxSize(width, height));
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}
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wxSizerItem();
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virtual ~wxSizerItem();
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virtual void DeleteWindows();
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// Enable deleting the SizerItem without destroying the contained sizer.
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void DetachSizer() { m_sizer = NULL; }
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virtual wxSize GetSize() const;
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virtual wxSize CalcMin();
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virtual void SetDimension( const wxPoint& pos, const wxSize& size );
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wxSize GetMinSize() const
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{ return m_minSize; }
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wxSize GetMinSizeWithBorder() const;
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void SetMinSize(const wxSize& size)
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{
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if ( IsWindow() )
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m_window->SetMinSize(size);
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m_minSize = size;
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}
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void SetMinSize( int x, int y )
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{ SetMinSize(wxSize(x, y)); }
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void SetInitSize( int x, int y )
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{ SetMinSize(wxSize(x, y)); }
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// if either of dimensions is zero, ratio is assumed to be 1
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// to avoid "divide by zero" errors
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void SetRatio(int width, int height)
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{ m_ratio = (width && height) ? ((float) width / (float) height) : 1; }
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void SetRatio(const wxSize& size)
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{ SetRatio(size.x, size.y); }
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void SetRatio(float ratio)
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{ m_ratio = ratio; }
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float GetRatio() const
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{ return m_ratio; }
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virtual wxRect GetRect() { return m_rect; }
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// set a sizer item id (different from a window id, all sizer items,
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// including spacers, can have an associated id)
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void SetId(int id) { m_id = id; }
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int GetId() const { return m_id; }
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bool IsWindow() const { return m_kind == Item_Window; }
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bool IsSizer() const { return m_kind == Item_Sizer; }
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bool IsSpacer() const { return m_kind == Item_Spacer; }
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#if WXWIN_COMPATIBILITY_2_6
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// Deprecated in 2.6, use {G,S}etProportion instead.
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wxDEPRECATED( void SetOption( int option ) );
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wxDEPRECATED( int GetOption() const );
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#endif // WXWIN_COMPATIBILITY_2_6
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void SetProportion( int proportion )
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{ m_proportion = proportion; }
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int GetProportion() const
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{ return m_proportion; }
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void SetFlag( int flag )
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{ m_flag = flag; }
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int GetFlag() const
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{ return m_flag; }
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void SetBorder( int border )
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{ m_border = border; }
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int GetBorder() const
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{ return m_border; }
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wxWindow *GetWindow() const
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{ return m_kind == Item_Window ? m_window : NULL; }
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wxSizer *GetSizer() const
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{ return m_kind == Item_Sizer ? m_sizer : NULL; }
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wxSize GetSpacer() const;
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// This function behaves obviously for the windows and spacers but for the
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// sizers it returns true if any sizer element is shown and only returns
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// false if all of them are hidden. Also, it always returns true if
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// wxRESERVE_SPACE_EVEN_IF_HIDDEN flag was used.
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bool IsShown() const;
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void Show(bool show);
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void SetUserData(wxObject* userData)
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{ delete m_userData; m_userData = userData; }
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wxObject* GetUserData() const
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{ return m_userData; }
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wxPoint GetPosition() const
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{ return m_pos; }
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// Called once the first component of an item has been decided. This is
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// used in algorithms that depend on knowing the size in one direction
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// before the min size in the other direction can be known.
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// Returns true if it made use of the information (and min size was changed).
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bool InformFirstDirection( int direction, int size, int availableOtherDir=-1 );
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// these functions delete the current contents of the item if it's a sizer
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// or a spacer but not if it is a window
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void AssignWindow(wxWindow *window)
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{
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Free();
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DoSetWindow(window);
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}
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void AssignSizer(wxSizer *sizer)
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{
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Free();
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DoSetSizer(sizer);
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}
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void AssignSpacer(const wxSize& size)
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{
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Free();
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DoSetSpacer(size);
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}
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void AssignSpacer(int w, int h) { AssignSpacer(wxSize(w, h)); }
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#if WXWIN_COMPATIBILITY_2_8
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// these functions do not free the old sizer/spacer and so can easily
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// provoke the memory leaks and so shouldn't be used, use Assign() instead
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wxDEPRECATED( void SetWindow(wxWindow *window) );
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wxDEPRECATED( void SetSizer(wxSizer *sizer) );
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wxDEPRECATED( void SetSpacer(const wxSize& size) );
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wxDEPRECATED( void SetSpacer(int width, int height) );
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#endif // WXWIN_COMPATIBILITY_2_8
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protected:
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// common part of several ctors
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void Init() { m_userData = NULL; m_kind = Item_None; }
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// common part of ctors taking wxSizerFlags
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void Init(const wxSizerFlags& flags);
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// free current contents
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void Free();
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// common parts of Set/AssignXXX()
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void DoSetWindow(wxWindow *window);
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void DoSetSizer(wxSizer *sizer);
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void DoSetSpacer(const wxSize& size);
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// discriminated union: depending on m_kind one of the fields is valid
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enum
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{
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Item_None,
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Item_Window,
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Item_Sizer,
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Item_Spacer,
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Item_Max
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} m_kind;
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union
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{
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wxWindow *m_window;
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wxSizer *m_sizer;
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wxSizerSpacer *m_spacer;
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};
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wxPoint m_pos;
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wxSize m_minSize;
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int m_proportion;
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int m_border;
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int m_flag;
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int m_id;
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// on screen rectangle of this item (not including borders)
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wxRect m_rect;
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// Aspect ratio can always be calculated from m_size,
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// but this would cause precision loss when the window
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// is shrunk. It is safer to preserve the initial value.
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float m_ratio;
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wxObject *m_userData;
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private:
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DECLARE_CLASS(wxSizerItem)
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wxDECLARE_NO_COPY_CLASS(wxSizerItem);
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};
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WX_DECLARE_EXPORTED_LIST( wxSizerItem, wxSizerItemList );
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//---------------------------------------------------------------------------
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// wxSizer
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//---------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxSizer: public wxObject, public wxClientDataContainer
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{
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public:
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wxSizer() { m_containingWindow = NULL; }
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virtual ~wxSizer();
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// methods for adding elements to the sizer: there are Add/Insert/Prepend
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// overloads for each of window/sizer/spacer/wxSizerItem
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wxSizerItem* Add(wxWindow *window,
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int proportion = 0,
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int flag = 0,
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int border = 0,
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wxObject* userData = NULL);
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wxSizerItem* Add(wxSizer *sizer,
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int proportion = 0,
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int flag = 0,
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int border = 0,
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wxObject* userData = NULL);
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wxSizerItem* Add(int width,
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int height,
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int proportion = 0,
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int flag = 0,
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int border = 0,
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wxObject* userData = NULL);
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wxSizerItem* Add( wxWindow *window, const wxSizerFlags& flags);
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wxSizerItem* Add( wxSizer *sizer, const wxSizerFlags& flags);
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wxSizerItem* Add( int width, int height, const wxSizerFlags& flags);
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wxSizerItem* Add( wxSizerItem *item);
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virtual wxSizerItem *AddSpacer(int size);
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wxSizerItem* AddStretchSpacer(int prop = 1);
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wxSizerItem* Insert(size_t index,
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wxWindow *window,
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int proportion = 0,
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int flag = 0,
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int border = 0,
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wxObject* userData = NULL);
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wxSizerItem* Insert(size_t index,
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wxSizer *sizer,
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int proportion = 0,
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int flag = 0,
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int border = 0,
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wxObject* userData = NULL);
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wxSizerItem* Insert(size_t index,
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int width,
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int height,
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int proportion = 0,
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int flag = 0,
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int border = 0,
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wxObject* userData = NULL);
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wxSizerItem* Insert(size_t index,
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wxWindow *window,
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const wxSizerFlags& flags);
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wxSizerItem* Insert(size_t index,
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wxSizer *sizer,
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const wxSizerFlags& flags);
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wxSizerItem* Insert(size_t index,
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int width,
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int height,
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const wxSizerFlags& flags);
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// NB: do _not_ override this function in the derived classes, this one is
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// virtual for compatibility reasons only to allow old code overriding
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// it to continue to work, override DoInsert() instead in the new code
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virtual wxSizerItem* Insert(size_t index, wxSizerItem *item);
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wxSizerItem* InsertSpacer(size_t index, int size);
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wxSizerItem* InsertStretchSpacer(size_t index, int prop = 1);
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wxSizerItem* Prepend(wxWindow *window,
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int proportion = 0,
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int flag = 0,
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int border = 0,
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wxObject* userData = NULL);
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wxSizerItem* Prepend(wxSizer *sizer,
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int proportion = 0,
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int flag = 0,
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int border = 0,
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wxObject* userData = NULL);
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wxSizerItem* Prepend(int width,
|
|
int height,
|
|
int proportion = 0,
|
|
int flag = 0,
|
|
int border = 0,
|
|
wxObject* userData = NULL);
|
|
wxSizerItem* Prepend(wxWindow *window, const wxSizerFlags& flags);
|
|
wxSizerItem* Prepend(wxSizer *sizer, const wxSizerFlags& flags);
|
|
wxSizerItem* Prepend(int width, int height, const wxSizerFlags& flags);
|
|
wxSizerItem* Prepend(wxSizerItem *item);
|
|
|
|
wxSizerItem* PrependSpacer(int size);
|
|
wxSizerItem* PrependStretchSpacer(int prop = 1);
|
|
|
|
// set (or possibly unset if window is NULL) or get the window this sizer
|
|
// is used in
|
|
void SetContainingWindow(wxWindow *window);
|
|
wxWindow *GetContainingWindow() const { return m_containingWindow; }
|
|
|
|
#if WXWIN_COMPATIBILITY_2_6
|
|
// Deprecated in 2.6 since historically it does not delete the window,
|
|
// use Detach instead.
|
|
wxDEPRECATED( virtual bool Remove( wxWindow *window ) );
|
|
#endif // WXWIN_COMPATIBILITY_2_6
|
|
|
|
virtual bool Remove( wxSizer *sizer );
|
|
virtual bool Remove( int index );
|
|
|
|
virtual bool Detach( wxWindow *window );
|
|
virtual bool Detach( wxSizer *sizer );
|
|
virtual bool Detach( int index );
|
|
|
|
virtual bool Replace( wxWindow *oldwin, wxWindow *newwin, bool recursive = false );
|
|
virtual bool Replace( wxSizer *oldsz, wxSizer *newsz, bool recursive = false );
|
|
virtual bool Replace( size_t index, wxSizerItem *newitem );
|
|
|
|
virtual void Clear( bool delete_windows = false );
|
|
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)
|
|
virtual bool InformFirstDirection( int WXUNUSED(direction), int WXUNUSED(size), int WXUNUSED(availableOtherDir) )
|
|
{ return false; }
|
|
|
|
void SetMinSize( int width, int height )
|
|
{ DoSetMinSize( width, height ); }
|
|
void SetMinSize( const wxSize& size )
|
|
{ DoSetMinSize( size.x, size.y ); }
|
|
|
|
// Searches recursively
|
|
bool SetItemMinSize( wxWindow *window, int width, int height )
|
|
{ return DoSetItemMinSize( window, width, height ); }
|
|
bool SetItemMinSize( wxWindow *window, const wxSize& size )
|
|
{ return DoSetItemMinSize( window, size.x, size.y ); }
|
|
|
|
// Searches recursively
|
|
bool SetItemMinSize( wxSizer *sizer, int width, int height )
|
|
{ return DoSetItemMinSize( sizer, width, height ); }
|
|
bool SetItemMinSize( wxSizer *sizer, const wxSize& size )
|
|
{ return DoSetItemMinSize( sizer, size.x, size.y ); }
|
|
|
|
bool SetItemMinSize( size_t index, int width, int height )
|
|
{ return DoSetItemMinSize( index, width, height ); }
|
|
bool SetItemMinSize( size_t index, const wxSize& size )
|
|
{ return DoSetItemMinSize( index, size.x, size.y ); }
|
|
|
|
wxSize GetSize() const
|
|
{ return m_size; }
|
|
wxPoint GetPosition() const
|
|
{ return m_position; }
|
|
|
|
// Calculate the minimal size or return m_minSize if bigger.
|
|
wxSize GetMinSize();
|
|
|
|
// These virtual functions are used by the layout algorithm: first
|
|
// CalcMin() is called to calculate the minimal size of the sizer and
|
|
// prepare for laying it out and then RecalcSizes() is called to really
|
|
// update all the sizer items
|
|
virtual wxSize CalcMin() = 0;
|
|
virtual void RecalcSizes() = 0;
|
|
|
|
virtual void Layout();
|
|
|
|
wxSize ComputeFittingClientSize(wxWindow *window);
|
|
wxSize ComputeFittingWindowSize(wxWindow *window);
|
|
|
|
wxSize Fit( wxWindow *window );
|
|
void FitInside( wxWindow *window );
|
|
void SetSizeHints( wxWindow *window );
|
|
#if WXWIN_COMPATIBILITY_2_8
|
|
// This only calls FitInside() since 2.9
|
|
wxDEPRECATED( void SetVirtualSizeHints( wxWindow *window ) );
|
|
#endif
|
|
|
|
wxSizerItemList& GetChildren()
|
|
{ return m_children; }
|
|
const wxSizerItemList& GetChildren() const
|
|
{ return m_children; }
|
|
|
|
void SetDimension(const wxPoint& pos, const wxSize& size)
|
|
{
|
|
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)); }
|
|
|
|
size_t GetItemCount() const { return m_children.GetCount(); }
|
|
bool IsEmpty() const { return m_children.IsEmpty(); }
|
|
|
|
wxSizerItem* GetItem( wxWindow *window, bool recursive = false );
|
|
wxSizerItem* GetItem( wxSizer *sizer, bool recursive = false );
|
|
wxSizerItem* GetItem( size_t index );
|
|
wxSizerItem* GetItemById( int id, bool recursive = false );
|
|
|
|
// Manage whether individual scene items are considered
|
|
// in the layout calculations or not.
|
|
bool Show( wxWindow *window, bool show = true, bool recursive = false );
|
|
bool Show( wxSizer *sizer, bool show = true, bool recursive = false );
|
|
bool Show( size_t index, bool show = true );
|
|
|
|
bool Hide( wxSizer *sizer, bool recursive = false )
|
|
{ return Show( sizer, false, recursive ); }
|
|
bool Hide( wxWindow *window, bool recursive = false )
|
|
{ return Show( window, false, recursive ); }
|
|
bool Hide( size_t index )
|
|
{ return Show( index, false ); }
|
|
|
|
bool IsShown( wxWindow *window ) const;
|
|
bool IsShown( wxSizer *sizer ) const;
|
|
bool IsShown( size_t index ) const;
|
|
|
|
// Recursively call wxWindow::Show () on all sizer items.
|
|
virtual void ShowItems (bool show);
|
|
|
|
void Show(bool show) { ShowItems(show); }
|
|
|
|
protected:
|
|
wxSize m_size;
|
|
wxSize m_minSize;
|
|
wxPoint m_position;
|
|
wxSizerItemList m_children;
|
|
|
|
// the window this sizer is used in, can be NULL
|
|
wxWindow *m_containingWindow;
|
|
|
|
wxSize GetMaxClientSize( wxWindow *window ) const;
|
|
wxSize GetMinClientSize( wxWindow *window );
|
|
wxSize VirtualFitSize( wxWindow *window );
|
|
|
|
virtual void DoSetMinSize( int width, int height );
|
|
virtual bool DoSetItemMinSize( wxWindow *window, int width, int height );
|
|
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)
|
|
};
|
|
|
|
//---------------------------------------------------------------------------
|
|
// wxGridSizer
|
|
//---------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_CORE wxGridSizer: public wxSizer
|
|
{
|
|
public:
|
|
// 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) );
|
|
|
|
// 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 )
|
|
{
|
|
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 GetRows() const { return m_rows; }
|
|
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 (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 (m_children.GetCount() + m_cols - 1) / m_cols;
|
|
}
|
|
|
|
private:
|
|
DECLARE_CLASS(wxGridSizer)
|
|
};
|
|
|
|
//---------------------------------------------------------------------------
|
|
// wxFlexGridSizer
|
|
//---------------------------------------------------------------------------
|
|
|
|
// values which define the behaviour for resizing wxFlexGridSizer cells in the
|
|
// "non-flexible" direction
|
|
enum wxFlexSizerGrowMode
|
|
{
|
|
// don't resize the cells in non-flexible direction at all
|
|
wxFLEX_GROWMODE_NONE,
|
|
|
|
// uniformly resize only the specified ones (default)
|
|
wxFLEX_GROWMODE_SPECIFIED,
|
|
|
|
// uniformly resize all cells
|
|
wxFLEX_GROWMODE_ALL
|
|
};
|
|
|
|
class WXDLLIMPEXP_CORE wxFlexGridSizer: public wxGridSizer
|
|
{
|
|
public:
|
|
// 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 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)
|
|
void AddGrowableRow( size_t idx, int proportion = 0 );
|
|
void RemoveGrowableRow( size_t idx );
|
|
void AddGrowableCol( size_t idx, int proportion = 0 );
|
|
void RemoveGrowableCol( size_t idx );
|
|
|
|
bool IsRowGrowable( size_t idx );
|
|
bool IsColGrowable( size_t idx );
|
|
|
|
// the sizer cells may grow in both directions, not grow at all or only
|
|
// grow in one direction but not the other
|
|
|
|
// the direction may be wxVERTICAL, wxHORIZONTAL or wxBOTH (default)
|
|
void SetFlexibleDirection(int direction) { m_flexDirection = direction; }
|
|
int GetFlexibleDirection() const { return m_flexDirection; }
|
|
|
|
// note that the grow mode only applies to the direction which is not
|
|
// flexible
|
|
void SetNonFlexibleGrowMode(wxFlexSizerGrowMode mode) { m_growMode = mode; }
|
|
wxFlexSizerGrowMode GetNonFlexibleGrowMode() const { return m_growMode; }
|
|
|
|
// Read-only access to the row heights and col widths arrays
|
|
const wxArrayInt& GetRowHeights() const { return m_rowHeights; }
|
|
const wxArrayInt& GetColWidths() const { return m_colWidths; }
|
|
|
|
// implementation
|
|
virtual void RecalcSizes();
|
|
virtual wxSize CalcMin();
|
|
|
|
protected:
|
|
void AdjustForFlexDirection();
|
|
void AdjustForGrowables(const wxSize& sz);
|
|
void FindWidthsAndHeights(int nrows, int ncols);
|
|
|
|
// the heights/widths of all rows/columns
|
|
wxArrayInt m_rowHeights,
|
|
m_colWidths;
|
|
|
|
// indices of the growable columns and rows
|
|
wxArrayInt m_growableRows,
|
|
m_growableCols;
|
|
|
|
// proportion values of the corresponding growable rows and columns
|
|
wxArrayInt m_growableRowsProportions,
|
|
m_growableColsProportions;
|
|
|
|
// parameters describing whether the growable cells should be resized in
|
|
// both directions or only one
|
|
int m_flexDirection;
|
|
wxFlexSizerGrowMode m_growMode;
|
|
|
|
// saves CalcMin result to optimize RecalcSizes
|
|
wxSize m_calculatedMinSize;
|
|
|
|
private:
|
|
DECLARE_CLASS(wxFlexGridSizer)
|
|
wxDECLARE_NO_COPY_CLASS(wxFlexGridSizer);
|
|
};
|
|
|
|
//---------------------------------------------------------------------------
|
|
// wxBoxSizer
|
|
//---------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_CORE wxBoxSizer: public wxSizer
|
|
{
|
|
public:
|
|
wxBoxSizer(int orient)
|
|
{
|
|
m_orient = orient;
|
|
m_totalProportion = 0;
|
|
|
|
wxASSERT_MSG( m_orient == wxHORIZONTAL || m_orient == wxVERTICAL,
|
|
wxT("invalid value for wxBoxSizer orientation") );
|
|
}
|
|
|
|
virtual wxSizerItem *AddSpacer(int size);
|
|
|
|
int GetOrientation() const { return m_orient; }
|
|
|
|
bool IsVertical() const { return m_orient == wxVERTICAL; }
|
|
|
|
void SetOrientation(int orient) { m_orient = orient; }
|
|
|
|
// implementation of our resizing logic
|
|
virtual wxSize CalcMin();
|
|
virtual void RecalcSizes();
|
|
|
|
protected:
|
|
// helpers for our code: this returns the component of the given wxSize in
|
|
// the direction of the sizer and in the other direction, respectively
|
|
int GetSizeInMajorDir(const wxSize& sz) const
|
|
{
|
|
return m_orient == wxHORIZONTAL ? sz.x : sz.y;
|
|
}
|
|
|
|
int& SizeInMajorDir(wxSize& sz)
|
|
{
|
|
return m_orient == wxHORIZONTAL ? sz.x : sz.y;
|
|
}
|
|
|
|
int& PosInMajorDir(wxPoint& pt)
|
|
{
|
|
return m_orient == wxHORIZONTAL ? pt.x : pt.y;
|
|
}
|
|
|
|
int GetSizeInMinorDir(const wxSize& sz) const
|
|
{
|
|
return m_orient == wxHORIZONTAL ? sz.y : sz.x;
|
|
}
|
|
|
|
int& SizeInMinorDir(wxSize& sz)
|
|
{
|
|
return m_orient == wxHORIZONTAL ? sz.y : sz.x;
|
|
}
|
|
|
|
int& PosInMinorDir(wxPoint& pt)
|
|
{
|
|
return m_orient == wxHORIZONTAL ? pt.y : pt.x;
|
|
}
|
|
|
|
// another helper: creates wxSize from major and minor components
|
|
wxSize SizeFromMajorMinor(int major, int minor) const
|
|
{
|
|
if ( m_orient == wxHORIZONTAL )
|
|
{
|
|
return wxSize(major, minor);
|
|
}
|
|
else // wxVERTICAL
|
|
{
|
|
return wxSize(minor, major);
|
|
}
|
|
}
|
|
|
|
|
|
// either wxHORIZONTAL or wxVERTICAL
|
|
int m_orient;
|
|
|
|
// the sum of proportion of all of our elements
|
|
int m_totalProportion;
|
|
|
|
// the minimal size needed for this sizer as calculated by the last call to
|
|
// our CalcMin()
|
|
wxSize m_minSize;
|
|
|
|
private:
|
|
DECLARE_CLASS(wxBoxSizer)
|
|
};
|
|
|
|
//---------------------------------------------------------------------------
|
|
// wxStaticBoxSizer
|
|
//---------------------------------------------------------------------------
|
|
|
|
#if wxUSE_STATBOX
|
|
|
|
class WXDLLIMPEXP_FWD_CORE wxStaticBox;
|
|
|
|
class WXDLLIMPEXP_CORE wxStaticBoxSizer: public wxBoxSizer
|
|
{
|
|
public:
|
|
wxStaticBoxSizer(wxStaticBox *box, int orient);
|
|
wxStaticBoxSizer(int orient, wxWindow *win, const wxString& label = wxEmptyString);
|
|
virtual ~wxStaticBoxSizer();
|
|
|
|
void RecalcSizes();
|
|
wxSize CalcMin();
|
|
|
|
wxStaticBox *GetStaticBox() const
|
|
{ return m_staticBox; }
|
|
|
|
// override to hide/show the static box as well
|
|
virtual void ShowItems (bool show);
|
|
|
|
virtual bool Detach( wxWindow *window );
|
|
virtual bool Detach( wxSizer *sizer ) { return wxBoxSizer::Detach(sizer); }
|
|
virtual bool Detach( int index ) { return wxBoxSizer::Detach(index); }
|
|
|
|
protected:
|
|
wxStaticBox *m_staticBox;
|
|
|
|
private:
|
|
DECLARE_CLASS(wxStaticBoxSizer)
|
|
wxDECLARE_NO_COPY_CLASS(wxStaticBoxSizer);
|
|
};
|
|
|
|
#endif // wxUSE_STATBOX
|
|
|
|
//---------------------------------------------------------------------------
|
|
// wxStdDialogButtonSizer
|
|
//---------------------------------------------------------------------------
|
|
|
|
#if wxUSE_BUTTON
|
|
|
|
class WXDLLIMPEXP_CORE wxStdDialogButtonSizer: public wxBoxSizer
|
|
{
|
|
public:
|
|
// Constructor just creates a new wxBoxSizer, not much else.
|
|
// Box sizer orientation is automatically determined here:
|
|
// vertical for PDAs, horizontal for everything else?
|
|
wxStdDialogButtonSizer();
|
|
|
|
// Checks button ID against system IDs and sets one of the pointers below
|
|
// to this button. Does not do any sizer-related things here.
|
|
void AddButton(wxButton *button);
|
|
|
|
// Use these if no standard ID can/should be used
|
|
void SetAffirmativeButton( wxButton *button );
|
|
void SetNegativeButton( wxButton *button );
|
|
void SetCancelButton( wxButton *button );
|
|
|
|
// All platform-specific code here, checks which buttons exist and add
|
|
// them to the sizer accordingly.
|
|
// Note - one potential hack on Mac we could use here,
|
|
// if m_buttonAffirmative is wxID_SAVE then ensure wxID_SAVE
|
|
// is set to _("Save") and m_buttonNegative is set to _("Don't Save")
|
|
// I wouldn't add any other hacks like that into here,
|
|
// but this one I can see being useful.
|
|
void Realize();
|
|
|
|
wxButton *GetAffirmativeButton() const { return m_buttonAffirmative; }
|
|
wxButton *GetApplyButton() const { return m_buttonApply; }
|
|
wxButton *GetNegativeButton() const { return m_buttonNegative; }
|
|
wxButton *GetCancelButton() const { return m_buttonCancel; }
|
|
wxButton *GetHelpButton() const { return m_buttonHelp; }
|
|
|
|
protected:
|
|
wxButton *m_buttonAffirmative; // wxID_OK, wxID_YES, wxID_SAVE go here
|
|
wxButton *m_buttonApply; // wxID_APPLY
|
|
wxButton *m_buttonNegative; // wxID_NO
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|
wxButton *m_buttonCancel; // wxID_CANCEL, wxID_CLOSE
|
|
wxButton *m_buttonHelp; // wxID_HELP, wxID_CONTEXT_HELP
|
|
|
|
private:
|
|
DECLARE_CLASS(wxStdDialogButtonSizer)
|
|
wxDECLARE_NO_COPY_CLASS(wxStdDialogButtonSizer);
|
|
};
|
|
|
|
#endif // wxUSE_BUTTON
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// inline functions implementation
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#if WXWIN_COMPATIBILITY_2_8
|
|
|
|
inline void wxSizerItem::SetWindow(wxWindow *window)
|
|
{
|
|
DoSetWindow(window);
|
|
}
|
|
|
|
inline void wxSizerItem::SetSizer(wxSizer *sizer)
|
|
{
|
|
DoSetSizer(sizer);
|
|
}
|
|
|
|
inline void wxSizerItem::SetSpacer(const wxSize& size)
|
|
{
|
|
DoSetSpacer(size);
|
|
}
|
|
|
|
inline void wxSizerItem::SetSpacer(int width, int height)
|
|
{
|
|
DoSetSpacer(wxSize(width, height));
|
|
}
|
|
|
|
#endif // WXWIN_COMPATIBILITY_2_8
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Insert(size_t index, wxSizerItem *item)
|
|
{
|
|
return DoInsert(index, item);
|
|
}
|
|
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Add( wxSizerItem *item )
|
|
{
|
|
return Insert( m_children.GetCount(), item );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Add( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
|
|
{
|
|
return Add( new wxSizerItem( window, proportion, flag, border, userData ) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Add( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
|
|
{
|
|
return Add( new wxSizerItem( sizer, proportion, flag, border, userData ) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Add( int width, int height, int proportion, int flag, int border, wxObject* userData )
|
|
{
|
|
return Add( new wxSizerItem( width, height, proportion, flag, border, userData ) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Add( wxWindow *window, const wxSizerFlags& flags )
|
|
{
|
|
return Add( new wxSizerItem(window, flags) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Add( wxSizer *sizer, const wxSizerFlags& flags )
|
|
{
|
|
return Add( new wxSizerItem(sizer, flags) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Add( int width, int height, const wxSizerFlags& flags )
|
|
{
|
|
return Add( new wxSizerItem(width, height, flags) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::AddSpacer(int size)
|
|
{
|
|
return Add(size, size);
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::AddStretchSpacer(int prop)
|
|
{
|
|
return Add(0, 0, prop);
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Prepend( wxSizerItem *item )
|
|
{
|
|
return Insert( 0, item );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Prepend( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
|
|
{
|
|
return Prepend( new wxSizerItem( window, proportion, flag, border, userData ) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Prepend( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
|
|
{
|
|
return Prepend( new wxSizerItem( sizer, proportion, flag, border, userData ) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Prepend( int width, int height, int proportion, int flag, int border, wxObject* userData )
|
|
{
|
|
return Prepend( new wxSizerItem( width, height, proportion, flag, border, userData ) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::PrependSpacer(int size)
|
|
{
|
|
return Prepend(size, size);
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::PrependStretchSpacer(int prop)
|
|
{
|
|
return Prepend(0, 0, prop);
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Prepend( wxWindow *window, const wxSizerFlags& flags )
|
|
{
|
|
return Prepend( new wxSizerItem(window, flags) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Prepend( wxSizer *sizer, const wxSizerFlags& flags )
|
|
{
|
|
return Prepend( new wxSizerItem(sizer, flags) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Prepend( int width, int height, const wxSizerFlags& flags )
|
|
{
|
|
return Prepend( new wxSizerItem(width, height, flags) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Insert( size_t index,
|
|
wxWindow *window,
|
|
int proportion,
|
|
int flag,
|
|
int border,
|
|
wxObject* userData )
|
|
{
|
|
return Insert( index, new wxSizerItem( window, proportion, flag, border, userData ) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Insert( size_t index,
|
|
wxSizer *sizer,
|
|
int proportion,
|
|
int flag,
|
|
int border,
|
|
wxObject* userData )
|
|
{
|
|
return Insert( index, new wxSizerItem( sizer, proportion, flag, border, userData ) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Insert( size_t index,
|
|
int width,
|
|
int height,
|
|
int proportion,
|
|
int flag,
|
|
int border,
|
|
wxObject* userData )
|
|
{
|
|
return Insert( index, new wxSizerItem( width, height, proportion, flag, border, userData ) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Insert( size_t index, wxWindow *window, const wxSizerFlags& flags )
|
|
{
|
|
return Insert( index, new wxSizerItem(window, flags) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Insert( size_t index, wxSizer *sizer, const wxSizerFlags& flags )
|
|
{
|
|
return Insert( index, new wxSizerItem(sizer, flags) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::Insert( size_t index, int width, int height, const wxSizerFlags& flags )
|
|
{
|
|
return Insert( index, new wxSizerItem(width, height, flags) );
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::InsertSpacer(size_t index, int size)
|
|
{
|
|
return Insert(index, size, size);
|
|
}
|
|
|
|
inline wxSizerItem*
|
|
wxSizer::InsertStretchSpacer(size_t index, int prop)
|
|
{
|
|
return Insert(index, 0, 0, prop);
|
|
}
|
|
|
|
#endif // __WXSIZER_H__
|