+///////////////////////////////////////////////////////////////////////////////
+// Name: window.h
+// Purpose: wxWindowBase class - the interface of wxWindow
+// Author: Vadim Zeitlin
+// Modified by:
+// Created: 01/02/97
+// RCS-ID: $Id$
+// Copyright: (c) wxWindows team
+// Licence: wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_WINDOW_H_BASE_
+#define _WX_WINDOW_H_BASE_
+
+#ifdef __GNUG__
+ #pragma interface "windowbase.h"
+#endif
+
+// ----------------------------------------------------------------------------
+// headers which we must include here
+// ----------------------------------------------------------------------------
+
+#include "wx/event.h" // the base class
+
+#include "wx/list.h" // defines wxWindowList
+
+#include "wx/cursor.h" // we have member variables of these classes
+#include "wx/font.h" // so we can't do without them
+#include "wx/colour.h"
+#include "wx/region.h"
+#include "wx/accel.h"
+
+// ----------------------------------------------------------------------------
+// forward declarations
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxCaret;
+class WXDLLEXPORT wxClientData;
+class WXDLLEXPORT wxControl;
+class WXDLLEXPORT wxCursor;
+class WXDLLEXPORT wxDC;
+class WXDLLEXPORT wxDropTarget;
+class WXDLLEXPORT wxItemResource;
+class WXDLLEXPORT wxLayoutConstraints;
+class WXDLLEXPORT wxResourceTable;
+class WXDLLEXPORT wxSizer;
+class WXDLLEXPORT wxToolTip;
+class WXDLLEXPORT wxValidator;
+class WXDLLEXPORT wxWindowBase;
+class WXDLLEXPORT wxWindow;
+
+// ----------------------------------------------------------------------------
+// (pseudo)template list classes
+// ----------------------------------------------------------------------------
+
+WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode);
+
+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
+WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows;
+
+// ----------------------------------------------------------------------------
+// helper classes used by [SG]etClientObject/Data
+//
+// TODO move into a separate header?
+// ----------------------------------------------------------------------------
+
+class wxClientData
+{
+public:
+ wxClientData() { }
+ virtual ~wxClientData() { }
+};
+
+class wxStringClientData : public wxClientData
+{
+public:
+ wxStringClientData() { }
+ wxStringClientData( const wxString &data ) : m_data(data) { }
+ void SetData( const wxString &data ) { m_data = data; }
+ const wxString& GetData() const { return m_data; }
+
+private:
+ wxString m_data;
+};
+
+// ----------------------------------------------------------------------------
+// wxWindowBase is the base class for all GUI controls/widgets, this is the public
+// interface of this class.
+//
+// Event handler: windows have themselves as their event handlers by default,
+// but their event handlers could be set to another object entirely. This
+// separation can reduce the amount of derivation required, and allow
+// alteration of a window's functionality (e.g. by a resource editor that
+// temporarily switches event handlers).
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxWindowBase : public wxEvtHandler
+{
+ DECLARE_ABSTRACT_CLASS(wxWindowBase);
+
+public:
+ // creating the window
+ // -------------------
+
+ // default ctor
+ wxWindowBase() { InitBase(); }
+
+ // pseudo ctor (can't be virtual, called from ctor)
+ bool CreateBase(wxWindowBase *parent,
+ wxWindowID id,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ long style = 0,
+ const wxString& name = wxPanelNameStr);
+
+ virtual ~wxWindowBase();
+
+#if wxUSE_WX_RESOURCES
+ // these functions are implemented in resource.cpp and resourc2.cpp
+ virtual bool LoadFromResource(wxWindow *parent,
+ const wxString& resourceName,
+ const wxResourceTable *table = (const wxResourceTable *) NULL);
+ virtual wxControl *CreateItem(const wxItemResource* childResource,
+ const wxItemResource* parentResource,
+ const wxResourceTable *table = (const wxResourceTable *) NULL);
+#endif // wxUSE_WX_RESOURCES
+
+ // deleting the window
+ // -------------------
+
+ // ask the window to close itself, return TRUE if the event handler
+ // honoured our request
+ bool Close( bool force = FALSE );
+
+ // the following functions delete the C++ objects (the window itself
+ // or its children) as well as the GUI windows and normally should
+ // never be used directly
+
+ // delete window unconditionally (dangerous!), returns TRUE if ok
+ virtual bool Destroy();
+ // delete all children of this window, returns TRUE if ok
+ bool DestroyChildren();
+
+ // is the window being deleted?
+ bool IsBeingDeleted() const { return m_isBeingDeleted; }
+
+ // window attributes
+ // -----------------
+
+ // the title (or label, see below) of the window: the text which the
+ // window shows
+ virtual void SetTitle( const wxString & WXUNUSED(title) ) { }
+ virtual wxString GetTitle() const { return ""; }
+
+ // label is just the same as the title (but for, e.g., buttons it
+ // makes more sense to speak about labels)
+ virtual void SetLabel(const wxString& label) { SetTitle(label); }
+ virtual wxString GetLabel() const { return GetTitle(); }
+
+ // the window name is used for ressource setting in X, it is not the
+ // same as the window title/label
+ virtual void SetName( const wxString &name ) { m_windowName = name; }
+ virtual wxString GetName() const { return m_windowName; }
+
+ // window id uniquely identifies the window among its siblings unless
+ // it is -1 which means "don't care"
+ void SetId( wxWindowID id ) { m_windowId = id; }
+ wxWindowID GetId() const { return m_windowId; }
+
+ // generate a control id for the controls which were not given one by
+ // user
+ static int NewControlId() { return --ms_lastControlId; }
+ // get the id of the control following the one with the given
+ // (autogenerated) id
+ static int NextControlId(int id) { return id - 1; }
+ // get the id of the control preceding the one with the given
+ // (autogenerated) id
+ static int PrevControlId(int id) { return id + 1; }
+
+ // moving/resizing
+ // ---------------
+
+ // set the window size and/or position
+ void SetSize( int x, int y, int width, int height,
+ int sizeFlags = wxSIZE_AUTO )
+ { DoSetSize(x, y, width, height, sizeFlags); }
+
+ void SetSize( int width, int height )
+ { DoSetSize( -1, -1, width, height, wxSIZE_USE_EXISTING ); }
+
+ void SetSize( const wxSize& size )
+ { SetSize( size.x, size.y); }
+
+ void SetSize(const wxRect& rect, int sizeFlags = wxSIZE_AUTO)
+ { DoSetSize(rect.x, rect.y, rect.width, rect.height, sizeFlags); }
+
+ void Move( int x, int y )
+ { DoSetSize( x, y, -1, -1, wxSIZE_USE_EXISTING ); }
+
+ void Move(const wxPoint& pt)
+ { Move(pt.x, pt.y); }
+
+ // Z-order
+ virtual void Raise() = 0;
+ virtual void Lower() = 0;
+
+ // client size is the size of area available for subwindows
+ void SetClientSize( int width, int height )
+ { DoSetClientSize(width, height); }
+
+ void SetClientSize( const wxSize& size )
+ { DoSetClientSize(size.x, size.y); }
+
+ void SetClientSize(const wxRect& rect)
+ { SetClientSize( rect.width, rect.height ); }
+
+ // get the window position and/or size (pointers may be NULL)
+ void GetPosition( int *x, int *y ) const { DoGetPosition(x, y); }
+ wxPoint GetPosition() const
+ {
+ int w, h;
+ DoGetPosition(&w, &h);
+
+ return wxPoint(w, h);
+ }
+
+ void GetSize( int *w, int *h ) const { DoGetSize(w, h); }
+ wxSize GetSize() const
+ {
+ int w, h;
+ DoGetSize(& w, & h);
+ return wxSize(w, h);
+ }
+
+ wxRect GetRect() const
+ {
+ int x, y, w, h;
+ GetPosition(& x, & y);
+ GetSize(& w, & h);
+
+ return wxRect(x, y, w, h);
+ }
+
+ void GetClientSize( int *w, int *h ) const { DoGetClientSize(w, h); }
+ wxSize GetClientSize() const
+ {
+ int w, h;
+ DoGetClientSize(& w, & h);
+
+ return wxSize(w, h);
+ }
+
+ // centre with respect to the the parent window
+ void Centre( int direction = wxHORIZONTAL );
+ void Center( int direction = wxHORIZONTAL ) { Centre(direction); }
+
+ // set window size to wrap around its children
+ virtual void Fit();
+
+ // set min/max size of the window
+ virtual void SetSizeHints( int minW, int minH,
+ int maxW = -1, int maxH = -1,
+ int incW = -1, int incH = -1 );
+
+ // window state
+ // ------------
+
+ // returns TRUE if window was shown/hidden, FALSE if the nothing was
+ // done (window was already shown/hidden)
+ virtual bool Show( bool show = TRUE );
+ bool Hide() { return Show(FALSE); }
+
+ // returns TRUE if window was enabled/disabled, FALSE if nothing done
+ virtual bool Enable( bool enable = TRUE );
+ bool Disable() { return Enable(FALSE); }
+
+ bool IsShown() const { return m_isShown; }
+ bool IsEnabled() const { return m_isEnabled; }
+
+ // get/set window style (setting style won't update the window and so
+ // is only useful for internal usage)
+ virtual void SetWindowStyleFlag( long style ) { m_windowStyle = style; }
+ virtual long GetWindowStyleFlag() const { return m_windowStyle; }
+
+ // just some (somewhat shorter) synonims
+ void SetWindowStyle( long style ) { SetWindowStyleFlag(style); }
+ long GetWindowStyle() const { return GetWindowStyleFlag(); }
+
+ bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; }
+
+ virtual bool IsRetained() const
+ { return (m_windowStyle & wxRETAINED) != 0; }
+
+ // make the window modal (all other windows unresponsive)
+ virtual void MakeModal(bool modal = TRUE);
+
+ // focus handling
+ // --------------
+
+ // set focus to this window
+ virtual void SetFocus() = 0;
+
+ // return the window which currently has the focus or NULL
+ static wxWindow *FindFocus() /* = 0: implement in derived classes */;
+
+ // can this window have focus?
+ virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); }
+
+ // parent/children relations
+ // -------------------------
+
+ // get the list of children
+ const wxWindowList& GetChildren() const { return m_children; }
+ wxWindowList& GetChildren() { return m_children; }
+
+ // get the parent or the parent of the parent
+ wxWindow *GetParent() const { return m_parent; }
+ inline wxWindow *GetGrandParent() const;
+
+ // is this window a top level one?
+ bool IsTopLevel() const { return m_parent != 0; }
+
+ // it doesn't really change parent, use ReParent() instead
+ void SetParent( wxWindowBase *parent ) { m_parent = (wxWindow *)parent; }
+ // change the real parent of this window, return TRUE if the parent
+ // was changed, FALSE otherwise (error or newParent == oldParent)
+ virtual bool Reparent( wxWindowBase *newParent );
+
+ // find window among the descendants of this one either by id or by
+ // name (return NULL if not found)
+ wxWindow *FindWindow( long id );
+ wxWindow *FindWindow( const wxString& name );
+
+ // implementation mostly
+ virtual void AddChild( wxWindowBase *child );
+ virtual void RemoveChild( wxWindowBase *child );
+
+ // event handler stuff
+ // -------------------
+
+ // get the current event handler
+ wxEvtHandler *GetEventHandler() const { return m_eventHandler; }
+
+ // replace the event handler (allows to completely subclass the
+ // window)
+ void SetEventHandler( wxEvtHandler *handler ) { m_eventHandler = handler; }
+
+ // push/pop event handler: allows to chain a custom event handler to
+ // alreasy existing ones
+ void PushEventHandler( wxEvtHandler *handler );
+ wxEvtHandler *PopEventHandler( bool deleteHandler = FALSE );
+
+ // validators and client data
+ // --------------------------
+
+ // a window may have an associated validator which is used to control
+ // user input
+ virtual void SetValidator( const wxValidator &validator );
+ virtual wxValidator *GetValidator() { return m_windowValidator; }
+
+ // each window may have associated client data: either a pointer to
+ // wxClientData object in which case it is managed by the window (i.e.
+ // it will delete the data when it's destroyed) or an untyped pointer
+ // which won't be deleted by the window
+ virtual void SetClientObject( wxClientData *data )
+ {
+ if ( m_clientObject )
+ delete m_clientObject;
+
+ m_clientObject = data;
+ }
+ virtual wxClientData *GetClientObject() const { return m_clientObject; }
+
+ virtual void SetClientData( void *data ) { m_clientData = data; }
+ virtual void *GetClientData() const { return m_clientData; }
+
+ // dialog oriented functions
+ // -------------------------
+
+ // validate the correctness of input, return TRUE if ok
+ virtual bool Validate();
+
+ // transfer data between internal and GUI representations
+ virtual bool TransferDataToWindow();
+ virtual bool TransferDataFromWindow();
+
+ virtual void InitDialog();
+
+ // accelerators
+ // ------------
+ virtual void SetAcceleratorTable( const wxAcceleratorTable& accel )
+ { m_acceleratorTable = accel; }
+ wxAcceleratorTable *GetAcceleratorTable()
+ { return &m_acceleratorTable; }
+
+ // dialog units translations
+ // -------------------------
+
+ wxPoint ConvertPixelsToDialog( const wxPoint& pt );
+ wxPoint ConvertDialogToPixels( const wxPoint& pt );
+ wxSize ConvertPixelsToDialog( const wxSize& sz )
+ {
+ wxPoint pt(ConvertPixelsToDialog(wxPoint(sz.x, sz.y)));
+
+ return wxSize(pt.x, pt.y);
+ }
+
+ wxSize ConvertDialogToPixels( const wxSize& sz )
+ {
+ wxPoint pt(ConvertDialogToPixels(wxPoint(sz.x, sz.y)));
+
+ return wxSize(pt.x, pt.y);
+ }
+
+ // mouse functions
+ // ---------------
+
+ // move the mouse to the specified position
+ virtual void WarpPointer(int x, int y) = 0;
+
+ // start or end mouse capture
+ virtual void CaptureMouse() = 0;
+ virtual void ReleaseMouse() = 0;
+
+ // painting the window
+ // -------------------
+
+ // mark the specified rectangle (or the whole window) as "dirty" so it
+ // will be repainted
+ virtual void Refresh( bool eraseBackground = TRUE,
+ const wxRect *rect = (const wxRect *) NULL ) = 0;
+ // clear the window entirely
+ virtual void Clear() = 0;
+
+ // adjust DC for drawing on this window
+ virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { }
+
+ // the update region of the window contains the areas which must be
+ // repainted by the program
+ const wxRegion& GetUpdateRegion() const { return m_updateRegion; }
+ wxRegion& GetUpdateRegion() { return m_updateRegion; }
+
+ // these functions verify whether the given point/rectangle belongs to
+ // (or at least intersects with) the update region
+ bool IsExposed( int x, int y ) const;
+ bool IsExposed( int x, int y, int w, int h ) const;
+
+ bool IsExposed( const wxPoint& pt ) const
+ { return IsExposed(pt.x, pt.y); }
+ bool IsExposed( const wxRect& rect ) const
+ { return IsExposed(rect.x, rect.y, rect.width, rect.height); }
+
+ // colours, fonts and cursors
+ // --------------------------
+
+ // set/retrieve the window colours (system defaults are used by
+ // default): Set functions return TRUE if colour was changed
+ virtual bool SetBackgroundColour( const wxColour &colour );
+ virtual bool SetForegroundColour( const wxColour &colour );
+
+ wxColour GetBackgroundColour() const { return m_backgroundColour; }
+ wxColour GetForegroundColour() const { return m_foregroundColour; }
+
+ // set/retrieve the cursor for this window (SetCursor() returns TRUE
+ // if the cursor was really changed)
+ virtual bool SetCursor( const wxCursor &cursor );
+ const wxCursor& GetCursor() const { return m_cursor; }
+ wxCursor& GetCursor() { return m_cursor; }
+
+ // set/retrieve the font for the window (SetFont() returns TRUE if the
+ // font really changed)
+ virtual bool SetFont( const wxFont &font ) = 0;
+ const wxFont& GetFont() const { return m_font; }
+ wxFont& GetFont() { return m_font; }
+
+#if wxUSE_CARET
+ // associate a caret with the window
+ void SetCaret(wxCaret *caret);
+ // get the current caret (may be NULL)
+ wxCaret *GetCaret() const { return m_caret; }
+#endif // wxUSE_CARET
+
+ // get the (average) character size for the current font
+ virtual int GetCharHeight() const = 0;
+ virtual int GetCharWidth() const = 0;
+
+ // get the width/height/... of the text using current or specified
+ // font
+ virtual void GetTextExtent(const wxString& string,
+ int *x, int *y,
+ int *descent = (int *) NULL,
+ int *externalLeading = (int *) NULL,
+ const wxFont *theFont = (const wxFont *) NULL)
+ const = 0;
+
+ // translate to/from screen/client coordinates (pointers may be NULL)
+ void ClientToScreen( int *x, int *y ) const
+ { DoClientToScreen(x, y); }
+ void ScreenToClient( int *x, int *y ) const
+ { DoScreenToClient(x, y); }
+ wxPoint ClientToScreen(const wxPoint& pt) const
+ {
+ int x = pt.x, y = pt.y;
+ DoClientToScreen(&x, &y);
+
+ return wxPoint(x, y);
+ }
+
+ wxPoint ScreenToClient(const wxPoint& pt) const
+ {
+ int x = pt.x, y = pt.y;
+ DoScreenToClient(&x, &y);
+
+ return wxPoint(x, y);
+ }
+
+ // misc
+ // ----
+
+ void UpdateWindowUI();
+
+ virtual bool PopupMenu( wxMenu *menu, int x, int y ) = 0;
+
+ // scrollbars
+ // ----------
+
+ // configure the window scrollbars
+ virtual void SetScrollbar( int orient,
+ int pos,
+ int thumbVisible,
+ int range,
+ bool refresh = TRUE ) = 0;
+ virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE ) = 0;
+ virtual int GetScrollPos( int orient ) const = 0;
+ virtual int GetScrollThumb( int orient ) const = 0;
+ virtual int GetScrollRange( int orient ) const = 0;
+
+ // scroll window to the specified position
+ virtual void ScrollWindow( int dx, int dy,
+ const wxRect* rect = (wxRect *) NULL ) = 0;
+
+ // tooltips
+ // --------
+#if wxUSE_TOOLTIPS
+ // the easiest way to set a tooltip for a window is to use this method
+ void SetToolTip( const wxString &tip );
+ // attach a tooltip to the window
+ void SetToolTip( wxToolTip *tip ) { DoSetToolTip(tip); }
+ // get the associated tooltip or NULL if none
+ wxToolTip* GetToolTip() const { return m_tooltip; }
+#endif // wxUSE_TOOLTIPS
+
+ // drag and drop
+ // -------------
+#if wxUSE_DRAG_AND_DROP
+ // set/retrieve the drop target associated with this window (may be
+ // NULL; it's owned by the window and will be deleted by it)
+ virtual void SetDropTarget( wxDropTarget *dropTarget ) = 0;
+ virtual wxDropTarget *GetDropTarget() const { return m_dropTarget; }
+#endif // wxUSE_DRAG_AND_DROP
+
+ // constraints and sizers
+ // ----------------------
+#if wxUSE_CONSTRAINTS
+ // set the constraints for this window or retrieve them (may be NULL)
+ void SetConstraints( wxLayoutConstraints *constraints );
+ wxLayoutConstraints *GetConstraints() const { return m_constraints; }
+
+ // when using constraints, it makes sense to update children positions
+ // automatically whenever the window is resized - this is done if
+ // autoLayout is on
+ void SetAutoLayout( bool autoLayout ) { m_autoLayout = autoLayout; }
+ bool GetAutoLayout() const { return m_autoLayout; }
+
+ // do layout the window and its children
+ virtual bool Layout();
+
+ // implementation only
+ void UnsetConstraints(wxLayoutConstraints *c);
+ wxWindowList *GetConstraintsInvolvedIn() const
+ { return m_constraintsInvolvedIn; }
+ void AddConstraintReference(wxWindowBase *otherWin);
+ void RemoveConstraintReference(wxWindowBase *otherWin);
+ void DeleteRelatedConstraints();
+ void ResetConstraints();
+
+ // these methods may be overriden for special layout algorithms
+ virtual void SetConstraintSizes(bool recurse = TRUE);
+ virtual bool LayoutPhase1(int *noChanges);
+ virtual bool LayoutPhase2(int *noChanges);
+ virtual bool DoPhase(int);
+
+ // these methods are virtual but normally won't be overridden
+ virtual void TransformSizerToActual(int *x, int *y) const ;
+ virtual void SetSizeConstraint(int x, int y, int w, int h);
+ virtual void MoveConstraint(int x, int y);
+ virtual void GetSizeConstraint(int *w, int *h) const ;
+ virtual void GetClientSizeConstraint(int *w, int *h) const ;
+ virtual void GetPositionConstraint(int *x, int *y) const ;
+
+ // sizers
+ // TODO: what are they and how do they work??
+ void SetSizer( wxSizer *sizer );
+ wxSizer *GetSizer() const { return m_windowSizer; }
+
+ void SetSizerParent( wxWindowBase *win ) { m_sizerParent = win; }
+ wxWindowBase *GetSizerParent() const { return m_sizerParent; }
+
+ virtual void SizerSetSize(int x, int y, int w, int h);
+ virtual void SizerMove(int x, int y);
+#endif // wxUSE_CONSTRAINTS
+
+ // backward compatibility
+ // ----------------------
+#if WXWIN_COMPATIBILITY
+ bool Enabled() const { return IsEnabled(); }
+
+ void SetButtonFont(const wxFont& font) { SetFont(font); }
+ void SetLabelFont(const wxFont& font) { SetFont(font); }
+ wxFont& GetLabelFont() { return GetFont(); };
+ wxFont& GetButtonFont() { return GetFont(); };
+#endif // WXWIN_COMPATIBILITY
+
+ // implementation
+ // --------------
+
+ // event handlers
+ void OnSysColourChanged( wxSysColourChangedEvent& event );
+ void OnInitDialog( wxInitDialogEvent &event );
+
+ // get the haqndle of the window for the underlying window system: this
+ // is only used for wxWin itself or for user code which wants to call
+ // platform-specific APIs
+ virtual WXWidget GetHandle() const = 0;
+
+protected:
+ // the window id - a number which uniquely identifies a window among
+ // its siblings unless it is -1
+ wxWindowID m_windowId;
+
+ // the parent window of this window (or NULL) and the list of the children
+ // of this window
+ wxWindow *m_parent;
+ wxWindowList m_children;
+
+ // the minimal allowed size for the window (no minimal size if variable(s)
+ // contain(s) -1)
+ int m_minWidth, m_minHeight, m_maxWidth, m_maxHeight;
+
+ // event handler for this window: usually is just 'this' but may be
+ // changed with SetEventHandler()
+ wxEvtHandler *m_eventHandler;
+
+ // associated validator or NULL if none
+ wxValidator *m_windowValidator;
+
+#if wxUSE_DRAG_AND_DROP
+ wxDropTarget *m_dropTarget;
+#endif // wxUSE_DRAG_AND_DROP
+
+ // visual window attributes
+ wxCursor m_cursor;
+ wxFont m_font;
+ wxColour m_backgroundColour, m_foregroundColour;
+
+#if wxUSE_CARET
+ wxCaret *m_caret;
+#endif // wxUSE_CARET
+
+ // the region which should be repainted in response to paint event
+ wxRegion m_updateRegion;
+
+ // the accelerator table for the window which translates key strokes into
+ // command events
+ wxAcceleratorTable m_acceleratorTable;
+
+ // user data associated with the window: either an object which will be
+ // deleted by the window when it's deleted or some raw pointer which we do
+ // nothing with
+ wxClientData *m_clientObject;
+ void *m_clientData;
+
+ // the tooltip for this window (may be NULL)
+#if wxUSE_TOOLTIPS
+ wxToolTip *m_tooltip;
+#endif // wxUSE_TOOLTIPS
+
+ // constraints and sizers
+#if wxUSE_CONSTRAINTS
+ // the constraints for this window or NULL
+ wxLayoutConstraints *m_constraints;
+
+ // constraints this window is involved in
+ wxWindowList *m_constraintsInvolvedIn;
+
+ // top level and the parent sizers
+ // TODO what's this and how does it work?)
+ wxSizer *m_windowSizer;
+ wxWindowBase *m_sizerParent;
+
+ // Layout() window automatically when its size changes?
+ bool m_autoLayout:1;
+#endif // wxUSE_CONSTRAINTS
+
+ // window state
+ bool m_isShown:1;
+ bool m_isEnabled:1;
+ bool m_isBeingDeleted:1;
+
+ // window attributes
+ long m_windowStyle;
+ wxString m_windowName;
+
+protected:
+ // common part of all ctors: it is not virtual because it is called from
+ // ctor
+ void InitBase();
+
+ // get the default size for the new window if no explicit size given
+ // FIXME why 20 and not 30, 10 or ...?
+ static int WidthDefault(int w) { return w == -1 ? 20 : w; }
+ static int HeightDefault(int h) { return h == -1 ? 20 : h; }
+
+ // more pure virtual functions
+ // ---------------------------
+
+ // NB: we must have DoSomething() function when Something() is an overloaded
+ // method: indeed, we can't just have "virtual Something()" in case when
+ // the function is overloaded because then we'd have to make virtual all
+ // the variants (otherwise only the virtual function may be called on a
+ // pointer to derived class according to C++ rules) which is, in
+ // general, absolutely not needed. So instead we implement all
+ // overloaded Something()s in terms of DoSomething() which will be the
+ // only one to be virtual.
+
+ // coordinates translation
+ virtual void DoClientToScreen( int *x, int *y ) const = 0;
+ virtual void DoScreenToClient( int *x, int *y ) const = 0;
+
+ // retrieve the position/size of the window
+ virtual void DoGetPosition( int *x, int *y ) const = 0;
+ virtual void DoGetSize( int *width, int *height ) const = 0;
+ virtual void DoGetClientSize( int *width, int *height ) const = 0;
+
+ // this is the virtual function to be overriden in any derived class which
+ // wants to change how SetSize() or Move() works - it is called by all
+ // versions of these functions in the base class
+ virtual void DoSetSize(int x, int y,
+ int width, int height,
+ int sizeFlags = wxSIZE_AUTO) = 0;
+
+ // same as DoSetSize() for the client size
+ virtual void DoSetClientSize(int width, int height) = 0;
+
+#if wxUSE_TOOLTIPS
+ virtual void DoSetToolTip( wxToolTip *tip );
+#endif // wxUSE_TOOLTIPS
+
+private:
+ // contains the last id generated by NewControlId
+ static int ms_lastControlId;
+
+ DECLARE_NO_COPY_CLASS(wxWindowBase);
+ DECLARE_EVENT_TABLE()
+};
+
+// ----------------------------------------------------------------------------
+// now include the declaration of wxWindow class
+// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff