+class WXDLLIMPEXP_FWD_CORE wxButton;
+class WXDLLIMPEXP_FWD_CORE wxBoxSizer;
+class WXDLLIMPEXP_FWD_CORE wxSizerItem;
+class WXDLLIMPEXP_FWD_CORE wxSizer;
+
+#ifndef wxUSE_BORDER_BY_DEFAULT
+ #ifdef __SMARTPHONE__
+ // no borders by default on limited size screen
+ #define wxUSE_BORDER_BY_DEFAULT 0
+ #else
+ #define wxUSE_BORDER_BY_DEFAULT 1
+ #endif
+#endif
+
+// ----------------------------------------------------------------------------
+// wxSizerFlags: flags used for an item in the sizer
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxSizerFlags
+{
+public:
+ // 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& Expand()
+ {
+ m_flags |= wxEXPAND;
+ return *this;
+ }
+
+ // notice that Align() replaces the current alignment flags, use specific
+ // methods below such as Top(), Left() &c if you want to set just the
+ // vertical or horizontal alignment
+ wxSizerFlags& Align(int alignment) // combination of wxAlignment values
+ {
+ m_flags &= ~wxALIGN_MASK;
+ m_flags |= alignment;
+
+ return *this;
+ }
+
+ // some shortcuts for Align()
+ wxSizerFlags& Centre() { return Align(wxALIGN_CENTRE); }
+ wxSizerFlags& Center() { return Centre(); }
+
+ wxSizerFlags& Top()
+ {
+ m_flags &= ~(wxALIGN_BOTTOM | wxALIGN_CENTRE_VERTICAL);
+ return *this;
+ }
+
+ wxSizerFlags& Left()
+ {
+ m_flags &= ~(wxALIGN_RIGHT | wxALIGN_CENTRE_HORIZONTAL);
+ return *this;
+ }
+
+ wxSizerFlags& Right()
+ {
+ m_flags = (m_flags & ~wxALIGN_CENTRE_HORIZONTAL) | wxALIGN_RIGHT;
+ return *this;
+ }
+
+ wxSizerFlags& Bottom()
+ {
+ m_flags = (m_flags & ~wxALIGN_CENTRE_VERTICAL) | wxALIGN_BOTTOM;
+ return *this;
+ }
+
+
+ // 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)
+ {
+ wxCHECK_MSG( !(direction & ~wxALL), *this,
+ wxS("direction must be a combination of wxDirection ")
+ wxS("enum values.") );
+
+ 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 WXDLLIMPEXP_CORE 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;
+};
+
+// ----------------------------------------------------------------------------
+// wxSizerItem
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxSizerItem : public wxObject
+{
+public:
+ // window
+ wxSizerItem( wxWindow *window,
+ int proportion=0,
+ int flag=0,
+ int border=0,
+ wxObject* userData=NULL );
+
+ // window with flags
+ wxSizerItem(wxWindow *window, const wxSizerFlags& flags)
+ {
+ Init(flags);
+
+ DoSetWindow(window);
+ }
+
+ // subsizer
+ wxSizerItem( wxSizer *sizer,
+ int proportion=0,
+ int flag=0,
+ int border=0,
+ wxObject* userData=NULL );
+
+ // sizer with flags
+ wxSizerItem(wxSizer *sizer, const wxSizerFlags& flags)
+ {
+ Init(flags);
+
+ DoSetSizer(sizer);
+ }
+
+ // spacer
+ wxSizerItem( int width,
+ int height,
+ int proportion=0,
+ int flag=0,
+ int border=0,
+ wxObject* userData=NULL);
+
+ // spacer with flags
+ wxSizerItem(int width, int height, const wxSizerFlags& flags)
+ {
+ Init(flags);
+
+ DoSetSpacer(wxSize(width, height));
+ }
+
+ wxSizerItem();
+ virtual ~wxSizerItem();
+
+ virtual void DeleteWindows();
+
+ // Enable deleting the SizerItem without destroying the contained sizer.
+ void DetachSizer() { m_sizer = NULL; }
+
+ virtual wxSize GetSize() const;
+ virtual wxSize CalcMin();
+ virtual void SetDimension( const wxPoint& pos, const wxSize& size );
+
+ wxSize GetMinSize() const
+ { 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() )
+ m_window->SetMinSize(size);
+ m_minSize = size;
+ }
+ void SetMinSize( int x, int y )
+ { SetMinSize(wxSize(x, y)); }
+ void SetInitSize( int x, int y )
+ { SetMinSize(wxSize(x, y)); }
+
+ // if either of dimensions is zero, ratio is assumed to be 1
+ // to avoid "divide by zero" errors
+ void SetRatio(int width, int height)
+ { m_ratio = (width && height) ? ((float) width / (float) height) : 1; }
+ void SetRatio(const wxSize& size)
+ { SetRatio(size.x, size.y); }
+ void SetRatio(float ratio)
+ { m_ratio = ratio; }
+ float GetRatio() const
+ { return m_ratio; }
+
+ virtual wxRect GetRect() { return m_rect; }
+
+ // set a sizer item id (different from a window id, all sizer items,
+ // including spacers, can have an associated id)
+ void SetId(int id) { m_id = id; }
+ int GetId() const { return m_id; }
+
+ bool IsWindow() const { return m_kind == Item_Window; }
+ bool IsSizer() const { return m_kind == Item_Sizer; }
+ bool IsSpacer() const { return m_kind == Item_Spacer; }
+
+#if WXWIN_COMPATIBILITY_2_6
+ // Deprecated in 2.6, use {G,S}etProportion instead.
+ wxDEPRECATED( void SetOption( int option ) );
+ wxDEPRECATED( int GetOption() const );
+#endif // WXWIN_COMPATIBILITY_2_6
+
+ void SetProportion( int proportion )
+ { m_proportion = proportion; }
+ int GetProportion() const
+ { return m_proportion; }
+ void SetFlag( int flag )
+ { m_flag = flag; }
+ int GetFlag() const
+ { return m_flag; }
+ void SetBorder( int border )
+ { m_border = border; }
+ int GetBorder() const
+ { return m_border; }
+
+ wxWindow *GetWindow() const
+ { return m_kind == Item_Window ? m_window : NULL; }
+ wxSizer *GetSizer() const
+ { return m_kind == Item_Sizer ? m_sizer : NULL; }
+ wxSize GetSpacer() const;
+
+ // This function behaves obviously for the windows and spacers but for the
+ // sizers it returns true if any sizer element is shown and only returns
+ // false if all of them are hidden. Also, it always returns true if
+ // wxRESERVE_SPACE_EVEN_IF_HIDDEN flag was used.
+ bool IsShown() const;
+
+ void Show(bool show);
+
+ void SetUserData(wxObject* userData)
+ { delete m_userData; m_userData = userData; }
+ wxObject* GetUserData() const
+ { return m_userData; }
+ wxPoint GetPosition() const
+ { return m_pos; }
+
+ // Called once the first component of an item has been decided. This is
+ // used in algorithms that depend on knowing the size in one direction
+ // before the min size in the other direction can be known.
+ // Returns true if it made use of the information (and min size was changed).
+ bool InformFirstDirection( int direction, int size, int availableOtherDir=-1 );
+
+ // these functions delete the current contents of the item if it's a sizer
+ // or a spacer but not if it is a window
+ void AssignWindow(wxWindow *window)
+ {
+ Free();
+ DoSetWindow(window);
+ }
+
+ void AssignSizer(wxSizer *sizer)
+ {
+ Free();
+ DoSetSizer(sizer);
+ }
+
+ void AssignSpacer(const wxSize& size)
+ {
+ Free();
+ DoSetSpacer(size);
+ }
+
+ void AssignSpacer(int w, int h) { AssignSpacer(wxSize(w, h)); }
+
+#if WXWIN_COMPATIBILITY_2_8
+ // these functions do not free the old sizer/spacer and so can easily
+ // provoke the memory leaks and so shouldn't be used, use Assign() instead
+ wxDEPRECATED( void SetWindow(wxWindow *window) );
+ wxDEPRECATED( void SetSizer(wxSizer *sizer) );
+ wxDEPRECATED( void SetSpacer(const wxSize& size) );
+ wxDEPRECATED( void SetSpacer(int width, int height) );
+#endif // WXWIN_COMPATIBILITY_2_8
+
+protected:
+ // common part of several ctors
+ void Init() { m_userData = NULL; m_kind = Item_None; }
+
+ // common part of ctors taking wxSizerFlags
+ void Init(const wxSizerFlags& flags);
+
+ // free current contents
+ void Free();
+
+ // common parts of Set/AssignXXX()
+ void DoSetWindow(wxWindow *window);
+ 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
+ {
+ Item_None,
+ Item_Window,
+ Item_Sizer,
+ Item_Spacer,
+ Item_Max
+ } m_kind;
+ union
+ {
+ wxWindow *m_window;
+ wxSizer *m_sizer;
+ wxSizerSpacer *m_spacer;
+ };
+
+ wxPoint m_pos;
+ wxSize m_minSize;
+ int m_proportion;
+ int m_border;
+ int m_flag;
+ int m_id;
+
+ // on screen rectangle of this item (not including borders)
+ wxRect m_rect;
+
+ // Aspect ratio can always be calculated from m_size,
+ // but this would cause precision loss when the window
+ // is shrunk. It is safer to preserve the initial value.
+ float m_ratio;
+
+ wxObject *m_userData;
+
+private:
+ DECLARE_CLASS(wxSizerItem)
+ wxDECLARE_NO_COPY_CLASS(wxSizerItem);
+};
+
+WX_DECLARE_EXPORTED_LIST( wxSizerItem, wxSizerItemList );
+
+
+//---------------------------------------------------------------------------
+// wxSizer
+//---------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxSizer: public wxObject, public wxClientDataContainer
+{
+public:
+ wxSizer() { m_containingWindow = NULL; }
+ virtual ~wxSizer();
+
+ // methods for adding elements to the sizer: there are Add/Insert/Prepend
+ // overloads for each of window/sizer/spacer/wxSizerItem
+ wxSizerItem* Add(wxWindow *window,
+ int proportion = 0,
+ int flag = 0,
+ int border = 0,
+ wxObject* userData = NULL);
+ wxSizerItem* Add(wxSizer *sizer,
+ int proportion = 0,
+ int flag = 0,
+ int border = 0,
+ wxObject* userData = NULL);
+ wxSizerItem* Add(int width,
+ int height,
+ int proportion = 0,
+ int flag = 0,
+ int border = 0,
+ wxObject* userData = NULL);
+ wxSizerItem* Add( wxWindow *window, const wxSizerFlags& flags);
+ wxSizerItem* Add( wxSizer *sizer, const wxSizerFlags& flags);
+ wxSizerItem* Add( int width, int height, const wxSizerFlags& flags);
+ wxSizerItem* Add( wxSizerItem *item);
+
+ virtual wxSizerItem *AddSpacer(int size);
+ wxSizerItem* AddStretchSpacer(int prop = 1);
+
+ wxSizerItem* Insert(size_t index,
+ wxWindow *window,
+ int proportion = 0,
+ int flag = 0,
+ int border = 0,
+ wxObject* userData = NULL);
+ wxSizerItem* Insert(size_t index,
+ wxSizer *sizer,
+ int proportion = 0,
+ int flag = 0,
+ int border = 0,
+ wxObject* userData = NULL);
+ wxSizerItem* Insert(size_t index,
+ int width,
+ int height,
+ int proportion = 0,
+ int flag = 0,
+ int border = 0,
+ wxObject* userData = NULL);
+ wxSizerItem* Insert(size_t index,
+ wxWindow *window,
+ const wxSizerFlags& flags);
+ wxSizerItem* Insert(size_t index,
+ wxSizer *sizer,
+ const wxSizerFlags& flags);
+ wxSizerItem* Insert(size_t index,
+ int width,
+ int height,
+ const wxSizerFlags& flags);
+
+ // 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);
+
+ wxSizerItem* Prepend(wxWindow *window,
+ int proportion = 0,
+ int flag = 0,
+ int border = 0,
+ wxObject* userData = NULL);
+ wxSizerItem* Prepend(wxSizer *sizer,
+ int proportion = 0,
+ int flag = 0,
+ int border = 0,
+ wxObject* userData = NULL);
+ 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 information (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); }
+
+ // 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;
+ 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)
+};
projects / wxWidgets.git / blobdiff