+ // construct the flags object initialized with the given proportion (0 by
+ // default)
+ wxSizerFlags(int proportion = 0) : m_proportion(proportion)
+ {
+ m_flags = 0;
+ m_borderInPixels = 0;
+ }
+
+ // setters for all sizer flags, they all return the object itself so that
+ // calls to them can be chained
+
+ wxSizerFlags& Proportion(int proportion)
+ {
+ m_proportion = proportion;
+ return *this;
+ }
+
+ wxSizerFlags& Align(int alignment) // combination of wxAlignment values
+ {
+ m_flags &= ~wxALIGN_MASK;
+ m_flags |= alignment;
+
+ return *this;
+ }
+
+ wxSizerFlags& Expand()
+ {
+ m_flags |= wxEXPAND;
+ return *this;
+ }
+
+ // some shortcuts for Align()
+ wxSizerFlags& Centre() { return Align(wxALIGN_CENTRE); }
+ wxSizerFlags& Center() { return Centre(); }
+ wxSizerFlags& Top() { return Align(wxALIGN_TOP); }
+ wxSizerFlags& Left() { return Align(wxALIGN_LEFT); }
+ wxSizerFlags& Right() { return Align(wxALIGN_RIGHT); }
+ wxSizerFlags& Bottom() { return Align(wxALIGN_BOTTOM); }
+
+ // default border size used by Border() below
+ static int GetDefaultBorder()
+ {
+#if wxUSE_BORDER_BY_DEFAULT
+ #ifdef __WXGTK20__
+ // GNOME HIG says to use 6px as the base unit:
+ // http://library.gnome.org/devel/hig-book/stable/design-window.html.en
+ return 6;
+ #else
+ // FIXME: default border size shouldn't be hardcoded and at the very
+ // least they should depend on the current font size
+ return 5;
+ #endif
+#else
+ return 0;
+#endif
+ }
+
+
+ wxSizerFlags& Border(int direction, int borderInPixels)
+ {
+ m_flags &= ~wxALL;
+ m_flags |= direction;
+
+ m_borderInPixels = borderInPixels;
+
+ return *this;
+ }
+
+ wxSizerFlags& Border(int direction = wxALL)
+ {
+#if wxUSE_BORDER_BY_DEFAULT
+ return Border(direction, GetDefaultBorder());
+#else
+ // no borders by default on limited size screen
+ wxUnusedVar(direction);
+
+ return *this;
+#endif
+ }
+
+ wxSizerFlags& DoubleBorder(int direction = wxALL)
+ {
+#if wxUSE_BORDER_BY_DEFAULT
+ return Border(direction, 2*GetDefaultBorder());
+#else
+ wxUnusedVar(direction);
+
+ return *this;
+#endif
+ }
+
+ wxSizerFlags& TripleBorder(int direction = wxALL)
+ {
+#if wxUSE_BORDER_BY_DEFAULT
+ return Border(direction, 3*GetDefaultBorder());
+#else
+ wxUnusedVar(direction);
+
+ return *this;
+#endif
+ }
+
+ wxSizerFlags& HorzBorder()
+ {
+#if wxUSE_BORDER_BY_DEFAULT
+ return Border(wxLEFT | wxRIGHT, GetDefaultBorder());
+#else
+ return *this;
+#endif
+ }
+
+ wxSizerFlags& DoubleHorzBorder()
+ {
+#if wxUSE_BORDER_BY_DEFAULT
+ return Border(wxLEFT | wxRIGHT, 2*GetDefaultBorder());
+#else
+ return *this;
+#endif
+ }
+
+ // setters for the others flags
+ wxSizerFlags& Shaped()
+ {
+ m_flags |= wxSHAPED;
+
+ return *this;
+ }
+
+ wxSizerFlags& FixedMinSize()
+ {
+ m_flags |= wxFIXED_MINSIZE;
+
+ return *this;
+ }
+
+ // makes the item ignore window's visibility status
+ wxSizerFlags& ReserveSpaceEvenIfHidden()
+ {
+ m_flags |= wxRESERVE_SPACE_EVEN_IF_HIDDEN;
+ return *this;
+ }
+
+ // accessors for wxSizer only
+ int GetProportion() const { return m_proportion; }
+ int GetFlags() const { return m_flags; }
+ int GetBorderInPixels() const { return m_borderInPixels; }
+
+private:
+ int m_proportion;
+ int m_flags;
+ int m_borderInPixels;
+};
+
+
+// ----------------------------------------------------------------------------
+// wxSizerSpacer: used by wxSizerItem to represent a spacer
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxSizerSpacer
+{
+public:
+ wxSizerSpacer(const wxSize& size) : m_size(size), m_isShown(true) { }
+
+ void SetSize(const wxSize& size) { m_size = size; }
+ const wxSize& GetSize() const { return m_size; }
+
+ void Show(bool show) { m_isShown = show; }
+ bool IsShown() const { return m_isShown; }
+
+private:
+ // the size, in pixel
+ wxSize m_size;
+
+ // is the spacer currently shown?
+ bool m_isShown;
+};