X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/98018a4b057dda20023a9276681f3d4ed335a6e1..2f45f5545f8f0c422e7d320f00e2ce068bd671b0:/include/wx/sizer.h diff --git a/include/wx/sizer.h b/include/wx/sizer.h index befba5e7a7..461099389b 100644 --- a/include/wx/sizer.h +++ b/include/wx/sizer.h @@ -20,10 +20,10 @@ // classes //--------------------------------------------------------------------------- -class WXDLLEXPORT wxButton; -class WXDLLEXPORT wxBoxSizer; -class WXDLLEXPORT wxSizerItem; -class WXDLLEXPORT wxSizer; +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__ @@ -38,7 +38,7 @@ class WXDLLEXPORT wxSizer; // wxSizerFlags: flags used for an item in the sizer // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxSizerFlags +class WXDLLIMPEXP_CORE wxSizerFlags { public: // construct the flags object initialized with the given proportion (0 by @@ -73,18 +73,26 @@ public: } // some shortcuts for Align() - wxSizerFlags& Centre() { return Align(wxCENTRE); } + 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 @@ -153,6 +161,28 @@ public: #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; } @@ -169,7 +199,7 @@ private: // wxSizerSpacer: used by wxSizerItem to represent a spacer // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxSizerSpacer +class WXDLLIMPEXP_CORE wxSizerSpacer { public: wxSizerSpacer(const wxSize& size) : m_size(size), m_isShown(true) { } @@ -192,7 +222,7 @@ private: // wxSizerItem // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxSizerItem : public wxObject +class WXDLLIMPEXP_CORE wxSizerItem : public wxObject { public: // window @@ -207,7 +237,7 @@ public: { Init(flags); - SetWindow(window); + DoSetWindow(window); } // subsizer @@ -222,7 +252,7 @@ public: { Init(flags); - SetSizer(sizer); + DoSetSizer(sizer); } // spacer @@ -238,7 +268,7 @@ public: { Init(flags); - SetSpacer(width, height); + DoSetSpacer(wxSize(width, height)); } wxSizerItem(); @@ -281,6 +311,11 @@ public: 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; } @@ -310,10 +345,12 @@ public: { return m_kind == Item_Sizer ? m_sizer : NULL; } wxSize GetSpacer() const; - // this function behaves obviously for the windows and spacers but for the + // 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 + // 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) @@ -323,20 +360,57 @@ public: 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)); } - // these functions do not free old sizer/spacer - void SetWindow(wxWindow *window); - void SetSizer(wxSizer *sizer); - void SetSpacer(const wxSize& size); - void SetSpacer(int width, int height) { SetSpacer(wxSize(width, height)); } +#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; } + 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); // discriminated union: depending on m_kind one of the fields is valid enum @@ -359,6 +433,7 @@ protected: int m_proportion; int m_border; int m_flag; + int m_id; // on screen rectangle of this item (not including borders) wxRect m_rect; @@ -382,7 +457,7 @@ WX_DECLARE_EXPORTED_LIST( wxSizerItem, wxSizerItemList ); // wxSizer //--------------------------------------------------------------------------- -class WXDLLEXPORT wxSizer: public wxObject, public wxClientDataContainer +class WXDLLIMPEXP_CORE wxSizer: public wxObject, public wxClientDataContainer { public: wxSizer() { m_containingWindow = NULL; } @@ -408,6 +483,7 @@ public: 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); wxSizerItem* AddSpacer(int size); @@ -438,6 +514,10 @@ public: wxSizerItem* Insert(size_t index, wxSizer *sizer, const wxSizerFlags& flags); + wxSizerItem* Insert(size_t index, + int width, + int height, + const wxSizerFlags& flags); virtual wxSizerItem* Insert( size_t index, wxSizerItem *item); wxSizerItem* InsertSpacer(size_t index, int size); @@ -461,6 +541,7 @@ public: 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); @@ -491,6 +572,11 @@ public: 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 ) @@ -521,24 +607,37 @@ public: // Calculate the minimal size or return m_minSize if bigger. wxSize GetMinSize(); - virtual void RecalcSizes() = 0; + // 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 ); - void SetVirtualSizeHints( 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( int x, int y, int width, int height ); 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. @@ -571,8 +670,6 @@ protected: // the window this sizer is used in, can be NULL wxWindow *m_containingWindow; - wxSize GetMaxWindowSize( wxWindow *window ) const; - wxSize GetMinWindowSize( wxWindow *window ); wxSize GetMaxClientSize( wxWindow *window ) const; wxSize GetMinClientSize( wxWindow *window ); wxSize VirtualFitSize( wxWindow *window ); @@ -590,7 +687,7 @@ private: // wxGridSizer //--------------------------------------------------------------------------- -class WXDLLEXPORT wxGridSizer: public wxSizer +class WXDLLIMPEXP_CORE wxGridSizer: public wxSizer { public: wxGridSizer( int rows, int cols, int vgap, int hgap ); @@ -641,7 +738,7 @@ enum wxFlexSizerGrowMode wxFLEX_GROWMODE_ALL }; -class WXDLLEXPORT wxFlexGridSizer: public wxGridSizer +class WXDLLIMPEXP_CORE wxFlexGridSizer: public wxGridSizer { public: // ctors/dtor @@ -680,8 +777,8 @@ public: protected: void AdjustForFlexDirection(); - void AdjustForGrowables(const wxSize& sz, const wxSize& minsz, - int nrows, int ncols); + void AdjustForGrowables(const wxSize& sz); + void FindWidthsAndHeights(int nrows, int ncols); // the heights/widths of all rows/columns wxArrayInt m_rowHeights, @@ -712,41 +809,128 @@ private: // wxBoxSizer //--------------------------------------------------------------------------- -class WXDLLEXPORT wxBoxSizer: public wxSizer +class WXDLLIMPEXP_CORE wxBoxSizer: public wxSizer { public: - wxBoxSizer( int orient ); + wxBoxSizer(int orient) + { + m_orient = orient; + m_totalProportion = 0; - void RecalcSizes(); - wxSize CalcMin(); + wxASSERT_MSG( m_orient == wxHORIZONTAL || m_orient == wxVERTICAL, + _T("invalid value for wxBoxSizer orientation") ); + } + + int GetOrientation() const { return m_orient; } - int GetOrientation() const - { return m_orient; } + bool IsVertical() const { return m_orient == wxVERTICAL; } - void SetOrientation(int orient) - { m_orient = orient; } + 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; - int m_stretchable; - int m_minWidth; - int m_minHeight; - int m_fixedWidth; - int m_fixedHeight; + + // 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) }; +//--------------------------------------------------------------------------- +// wxWrapSizer - A box sizer that can wrap items on several lines when +// widths exceed available width. +//--------------------------------------------------------------------------- + +// Borrow unused flag value +#define wxEXTEND_LAST_ON_EACH_LINE wxFULL_REPAINT_ON_RESIZE + +class WXDLLIMPEXP_CORE wxWrapSizer: public wxBoxSizer +{ +public: + wxWrapSizer( int orient=wxHORIZONTAL, int flags=wxEXTEND_LAST_ON_EACH_LINE ); + virtual ~wxWrapSizer(); + + virtual void RecalcSizes(); + virtual wxSize CalcMin(); + + virtual bool InformFirstDirection( int direction, int size, int availableOtherDir ); + +protected: + int m_prim_size_last; // Size in primary direction last time + int m_n_line; // Number of lines + wxBoxSizer m_rows; // Rows of items + int m_flags; + + void AdjustPropLastItem(wxSizer *psz, wxSizerItem *itemLast); + + DECLARE_DYNAMIC_CLASS(wxWrapSizer) +}; + //--------------------------------------------------------------------------- // wxStaticBoxSizer //--------------------------------------------------------------------------- #if wxUSE_STATBOX -class WXDLLEXPORT wxStaticBox; +class WXDLLIMPEXP_FWD_CORE wxStaticBox; -class WXDLLEXPORT wxStaticBoxSizer: public wxBoxSizer +class WXDLLIMPEXP_CORE wxStaticBoxSizer: public wxBoxSizer { public: wxStaticBoxSizer(wxStaticBox *box, int orient); @@ -778,7 +962,7 @@ private: #if wxUSE_BUTTON -class WXDLLEXPORT wxStdDialogButtonSizer: public wxBoxSizer +class WXDLLIMPEXP_CORE wxStdDialogButtonSizer: public wxBoxSizer { public: // Constructor just creates a new wxBoxSizer, not much else. @@ -812,10 +996,10 @@ public: protected: wxButton *m_buttonAffirmative; // wxID_OK, wxID_YES, wxID_SAVE go here - wxButton *m_buttonApply; + wxButton *m_buttonApply; // wxID_APPLY wxButton *m_buttonNegative; // wxID_NO - wxButton *m_buttonCancel; - wxButton *m_buttonHelp; + wxButton *m_buttonCancel; // wxID_CANCEL, wxID_CLOSE + wxButton *m_buttonHelp; // wxID_HELP, wxID_CONTEXT_HELP private: DECLARE_CLASS(wxStdDialogButtonSizer) @@ -824,74 +1008,35 @@ private: #endif // wxUSE_BUTTON -#if WXWIN_COMPATIBILITY_2_4 -// NB: wxBookCtrlSizer and wxNotebookSizer are deprecated, they -// don't do anything. wxBookCtrlBase::DoGetBestSize does the job now. // ---------------------------------------------------------------------------- -// wxBookCtrlSizer +// inline functions implementation // ---------------------------------------------------------------------------- -#if wxUSE_BOOKCTRL +#if WXWIN_COMPATIBILITY_2_8 -// this sizer works with wxNotebook/wxListbook/... and sizes the control to -// fit its pages -class WXDLLEXPORT wxBookCtrlBase; - -class WXDLLEXPORT wxBookCtrlSizer : public wxSizer +inline void wxSizerItem::SetWindow(wxWindow *window) { -public: -#if WXWIN_COMPATIBILITY_2_6 - wxDEPRECATED( wxBookCtrlSizer(wxBookCtrlBase *bookctrl) ); -#endif // WXWIN_COMPATIBILITY_2_6 - - wxBookCtrlBase *GetControl() const { return m_bookctrl; } - - virtual void RecalcSizes(); - virtual wxSize CalcMin(); - -protected: - // this protected ctor lets us mark the real one above as deprecated - // and still have warning-free build of the library itself: - wxBookCtrlSizer() {} - - wxBookCtrlBase *m_bookctrl; - -private: - DECLARE_CLASS(wxBookCtrlSizer) - DECLARE_NO_COPY_CLASS(wxBookCtrlSizer) -}; - - -#if wxUSE_NOTEBOOK - -// before wxBookCtrlBase we only had wxNotebookSizer, keep it for backwards -// compatibility -class WXDLLEXPORT wxNotebook; + DoSetWindow(window); +} -class WXDLLEXPORT wxNotebookSizer : public wxBookCtrlSizer +inline void wxSizerItem::SetSizer(wxSizer *sizer) { -public: -#if WXWIN_COMPATIBILITY_2_6 - wxDEPRECATED( wxNotebookSizer(wxNotebook *nb) ); -#endif // WXWIN_COMPATIBILITY_2_6 - - wxNotebook *GetNotebook() const { return (wxNotebook *)m_bookctrl; } - -private: - DECLARE_CLASS(wxNotebookSizer) - DECLARE_NO_COPY_CLASS(wxNotebookSizer) -}; + DoSetSizer(sizer); +} -#endif // wxUSE_NOTEBOOK +inline void wxSizerItem::SetSpacer(const wxSize& size) +{ + DoSetSpacer(size); +} -#endif // wxUSE_BOOKCTRL +inline void wxSizerItem::SetSpacer(int width, int height) +{ + DoSetSpacer(wxSize(width, height)); +} -#endif // WXWIN_COMPATIBILITY_2_4 +#endif // WXWIN_COMPATIBILITY_2_8 -// ---------------------------------------------------------------------------- -// inline functions implementation -// ---------------------------------------------------------------------------- inline wxSizerItem* wxSizer::Add( wxSizerItem *item ) @@ -929,6 +1074,12 @@ 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) { @@ -989,6 +1140,12 @@ 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, @@ -1035,6 +1192,12 @@ 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) { @@ -1047,5 +1210,4 @@ wxSizer::InsertStretchSpacer(size_t index, int prop) return Insert(index, 0, 0, prop); } - #endif // __WXSIZER_H__