+#ifndef _WX_WINDOW_H_BASE_
+#define _WX_WINDOW_H_BASE_
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+ #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/utils.h"
+
+#include "wx/validate.h" // for wxDefaultValidator (always include it)
+
+#if wxUSE_PALETTE
+ #include "wx/palette.h"
+#endif // wxUSE_PALETTE
+
+#if wxUSE_ACCEL
+ #include "wx/accel.h"
+#endif // wxUSE_ACCEL
+
+#if wxUSE_ACCESSIBILITY
+#include "wx/access.h"
+#endif
+
+// when building wxUniv/Foo we don't want the code for native menu use to be
+// compiled in - it should only be used when building real wxFoo
+#ifdef __WXUNIVERSAL__
+ #define wxUSE_MENUS_NATIVE 0
+#else // !__WXUNIVERSAL__
+ #define wxUSE_MENUS_NATIVE wxUSE_MENUS
+#endif // __WXUNIVERSAL__/!__WXUNIVERSAL__
+
+// ----------------------------------------------------------------------------
+// forward declarations
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxCaret;
+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 wxWindowBase;
+class WXDLLEXPORT wxWindow;
+
+#if wxUSE_ACCESSIBILITY
+class WXDLLEXPORT wxAccessible;
+#endif
+
+// ----------------------------------------------------------------------------
+// helper stuff used by wxWindow
+// ----------------------------------------------------------------------------
+
+// struct containing all the visual attributes of a control
+struct WXDLLEXPORT wxVisualAttributes
+{
+ // the font used for control label/text inside it
+ wxFont font;
+
+ // the foreground colour
+ wxColour colFg;
+
+ // the background colour, may be wxNullColour if the controls background
+ // colour is not solid
+ wxColour colBg;
+};
+
+// different window variants, on platforms like eg mac uses different
+// rendering sizes
+enum wxWindowVariant
+{
+ wxWINDOW_VARIANT_NORMAL, // Normal size
+ wxWINDOW_VARIANT_SMALL, // Smaller size (about 25 % smaller than normal)
+ wxWINDOW_VARIANT_MINI, // Mini size (about 33 % smaller than normal)
+ wxWINDOW_VARIANT_LARGE, // Large size (about 25 % larger than normal)
+ wxWINDOW_VARIANT_MAX
+};
+
+#if wxUSE_SYSTEM_OPTIONS
+ #define wxWINDOW_DEFAULT_VARIANT wxT("window-default-variant")
+#endif
+
+// ----------------------------------------------------------------------------
+// (pseudo)template list classes
+// ----------------------------------------------------------------------------
+
+WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLEXPORT);
+
+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
+extern WXDLLEXPORT_DATA(wxWindowList) wxTopLevelWindows;
+
+// ----------------------------------------------------------------------------
+// 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
+{
+public:
+ // creating the window
+ // -------------------
+
+ // default ctor, initializes everything which can be initialized before
+ // Create()
+ wxWindowBase() ;
+
+ // pseudo ctor (can't be virtual, called from ctor)
+ bool CreateBase(wxWindowBase *parent,
+ wxWindowID winid,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ long style = 0,
+ const wxValidator& validator = wxDefaultValidator,
+ const wxString& name = wxPanelNameStr);
+
+ virtual ~wxWindowBase();
+
+ // 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
+ // -----------------
+
+ // NB: in future versions of wxWidgets Set/GetTitle() will only work
+ // with the top level windows (such as dialogs and frames) and
+ // Set/GetLabel() only with the other ones (i.e. all controls).
+
+ // 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 wxEmptyString; }
+
+ // 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; }
+
+ // sets the window variant, calls internally DoSetVariant if variant has changed
+ void SetWindowVariant( wxWindowVariant variant ) ;
+ wxWindowVariant GetWindowVariant() const { return m_windowVariant ; }
+
+
+ // window id uniquely identifies the window among its siblings unless
+ // it is wxID_ANY which means "don't care"
+ void SetId( wxWindowID winid ) { m_windowId = winid; }
+ 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 winid) { return winid - 1; }
+ // get the id of the control preceding the one with the given
+ // (autogenerated) id
+ static int PrevControlId(int winid) { return winid + 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( wxDefaultCoord, wxDefaultCoord, 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, int flags = wxSIZE_USE_EXISTING)
+ { DoSetSize(x, y, wxDefaultCoord, wxDefaultCoord, flags); }
+
+ void Move(const wxPoint& pt, int flags = wxSIZE_USE_EXISTING)
+ { Move(pt.x, pt.y, flags); }
+
+ // 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 SetPosition( const wxPoint& pt ) { Move( pt ) ; }
+
+ 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);
+ }
+
+ // get the origin of the client area of the window relative to the
+ // window top left corner (the client area may be shifted because of
+ // the borders, scrollbars, other decorations...)
+ virtual wxPoint GetClientAreaOrigin() const;
+
+ // get the client rectangle in window (i.e. client) coordinates
+ wxRect GetClientRect() const
+ {
+ return wxRect(GetClientAreaOrigin(), GetClientSize());
+ }
+
+ // get the size best suited for the window (in fact, minimal
+ // acceptable size using which it will still look "nice" in
+ // most situations)
+ wxSize GetBestSize() const
+ {
+ if (m_bestSizeCache.IsFullySpecified())
+ return m_bestSizeCache;
+ return DoGetBestSize();
+ }
+ void GetBestSize(int *w, int *h) const
+ {
+ wxSize s = GetBestSize();
+ if ( w )
+ *w = s.x;
+ if ( h )
+ *h = s.y;
+ }
+
+ // reset the cached best size value so it will be recalculated the
+ // next time it is needed.
+ void InvalidateBestSize();
+ void CacheBestSize(const wxSize& size) const
+ { wxConstCast(this, wxWindowBase)->m_bestSizeCache = size; }
+
+ // There are times (and windows) where 'Best' size and 'Min' size
+ // are vastly out of sync. This should be remedied somehow, but in
+ // the meantime, this method will return the larger of BestSize
+ // (the window's smallest legible size), and any user specified
+ // MinSize hint.
+ wxSize GetAdjustedBestSize() const
+ {
+ wxSize s( GetBestSize() );
+ return wxSize( wxMax( s.x, GetMinWidth() ), wxMax( s.y, GetMinHeight() ) );
+ }
+
+ // This function will merge the window's best size into the window's
+ // minimum size, giving priority to the min size components, and
+ // returns the results.
+ wxSize GetBestFittingSize() const;
+
+ // A 'Smart' SetSize that will fill in default size values with 'best'
+ // size. Sets the minsize to what was passed in.
+ void SetBestFittingSize(const wxSize& size=wxDefaultSize);
+
+ // the generic centre function - centers the window on parent by`
+ // default or on screen if it doesn't have parent or
+ // wxCENTER_ON_SCREEN flag is given
+ void Centre( int direction = wxBOTH );
+ void Center( int direction = wxBOTH ) { Centre(direction); }
+
+ // centre on screen (only works for top level windows)
+ void CentreOnScreen(int dir = wxBOTH) { Centre(dir | wxCENTER_ON_SCREEN); }
+ void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); }
+
+ // centre with respect to the the parent window
+ void CentreOnParent(int dir = wxBOTH) { Centre(dir | wxCENTER_FRAME); }
+ void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); }
+
+ // set window size to wrap around its children
+ virtual void Fit();
+
+ // set virtual size to satisfy children
+ virtual void FitInside();
+
+ // set min/max size of the window
+ virtual void SetSizeHints( int minW, int minH,
+ int maxW = wxDefaultCoord, int maxH = wxDefaultCoord,
+ int incW = wxDefaultCoord, int incH = wxDefaultCoord )
+ {
+ DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
+ }
+
+ void SetSizeHints( const wxSize& minSize,
+ const wxSize& maxSize=wxDefaultSize,
+ const wxSize& incSize=wxDefaultSize)
+ {
+ DoSetSizeHints(minSize.x, minSize.y,
+ maxSize.x, maxSize.y,
+ incSize.x, incSize.y);
+ }
+
+ virtual void DoSetSizeHints(int minW, int minH,
+ int maxW = wxDefaultCoord, int maxH = wxDefaultCoord,
+ int incW = wxDefaultCoord, int incH = wxDefaultCoord );
+
+ virtual void SetVirtualSizeHints( int minW, int minH,
+ int maxW = wxDefaultCoord, int maxH = wxDefaultCoord );
+ void SetVirtualSizeHints( const wxSize& minSize,
+ const wxSize& maxSize=wxDefaultSize)
+ {
+ SetVirtualSizeHints(minSize.x, minSize.y, maxSize.x, maxSize.y);
+ }
+
+ virtual int GetMinWidth() const { return m_minWidth; }
+ virtual int GetMinHeight() const { return m_minHeight; }
+ int GetMaxWidth() const { return m_maxWidth; }
+ int GetMaxHeight() const { return m_maxHeight; }
+
+ // Override this method to control the values given to Sizers etc.
+ virtual wxSize GetMaxSize() const { return wxSize( m_maxWidth, m_maxHeight ); }
+ virtual wxSize GetMinSize() const { return wxSize( m_minWidth, m_minHeight ); }
+
+ void SetMinSize(const wxSize& minSize) { SetSizeHints(minSize); }
+ void SetMaxSize(const wxSize& maxSize) { SetSizeHints(GetMinSize(), maxSize); }
+
+ // Methods for accessing the virtual size of a window. For most
+ // windows this is just the client area of the window, but for
+ // some like scrolled windows it is more or less independent of
+ // the screen window size. You may override the DoXXXVirtual
+ // methods below for classes where that is is the case.
+
+ void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); }
+ void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); }
+
+ wxSize GetVirtualSize() const { return DoGetVirtualSize(); }
+ void GetVirtualSize( int *x, int *y ) const
+ {
+ wxSize s( DoGetVirtualSize() );
+
+ if( x )
+ *x = s.GetWidth();
+ if( y )
+ *y = s.GetHeight();
+ }
+
+ // Override these methods for windows that have a virtual size
+ // independent of their client size. eg. the virtual area of a
+ // wxScrolledWindow.
+
+ virtual void DoSetVirtualSize( int x, int y );
+ virtual wxSize DoGetVirtualSize() const;
+
+ // Return the largest of ClientSize and BestSize (as determined
+ // by a sizer, interior children, or other means)
+
+ virtual wxSize GetBestVirtualSize() const
+ {
+ wxSize client( GetClientSize() );
+ wxSize best( GetBestSize() );
+
+ return wxSize( wxMax( client.x, best.x ), wxMax( client.y, best.y ) );
+ }
+
+ // 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); }
+
+ virtual bool IsShown() const { return m_isShown; }
+ virtual 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 HasFlag(wxRETAINED); }
+
+ // extra style: the less often used style bits which can't be set with
+ // SetWindowStyleFlag()
+ virtual void SetExtraStyle(long exStyle) { m_exStyle = exStyle; }
+ long GetExtraStyle() const { return m_exStyle; }
+
+ // make the window modal (all other windows unresponsive)
+ virtual void MakeModal(bool modal = true);
+
+
+ // (primitive) theming support
+ // ---------------------------
+
+ virtual void SetThemeEnabled(bool enableTheme) { m_themeEnabled = enableTheme; }
+ virtual bool GetThemeEnabled() const { return m_themeEnabled; }
+
+
+ // focus and keyboard handling
+ // ---------------------------
+
+ // set focus to this window
+ virtual void SetFocus() = 0;
+
+ // set focus to this window as the result of a keyboard action
+ virtual void SetFocusFromKbd() { SetFocus(); }
+
+ // return the window which currently has the focus or NULL
+ static wxWindow *FindFocus();
+
+ static wxWindow *DoFindFocus() /* = 0: implement in derived classes */;
+
+ // can this window have focus?
+ virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); }
+
+ // can this window be given focus by keyboard navigation? if not, the
+ // only way to give it focus (provided it accepts it at all) is to
+ // click it
+ virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); }
+
+ // NB: these methods really don't belong here but with the current
+ // class hierarchy there is no other place for them :-(
+
+ // get the default child of this parent, i.e. the one which is
+ // activated by pressing <Enter>
+ virtual wxWindow *GetDefaultItem() const { return NULL; }
+
+ // set this child as default, return the old default
+ virtual wxWindow *SetDefaultItem(wxWindow * WXUNUSED(child))
+ { return NULL; }
+
+ // set this child as temporary default
+ virtual void SetTmpDefaultItem(wxWindow * WXUNUSED(win)) { }
+
+ // navigates in the specified direction by sending a wxNavigationKeyEvent
+ virtual bool Navigate(int flags = wxNavigationKeyEvent::IsForward);
+
+ // move this window just before/after the specified one in tab order
+ // (the other window must be our sibling!)
+ void MoveBeforeInTabOrder(wxWindow *win)
+ { DoMoveInTabOrder(win, MoveBefore); }
+ void MoveAfterInTabOrder(wxWindow *win)
+ { DoMoveInTabOrder(win, MoveAfter); }
+
+
+ // parent/children relations
+ // -------------------------
+
+ // get the list of children
+ const wxWindowList& GetChildren() const { return m_children; }
+ wxWindowList& GetChildren() { return m_children; }
+
+ // needed just for extended runtime
+ const wxWindowList& GetWindowChildren() const { return GetChildren() ; }
+
+ // 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?
+ virtual bool IsTopLevel() const;
+
+ // 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 );
+
+ // implementation mostly
+ virtual void AddChild( wxWindowBase *child );
+ virtual void RemoveChild( wxWindowBase *child );
+
+ // looking for windows
+ // -------------------
+
+ // find window among the descendants of this one either by id or by
+ // name (return NULL if not found)
+ wxWindow *FindWindow(long winid) const;
+ wxWindow *FindWindow(const wxString& name) const;
+
+ // Find a window among any window (all return NULL if not found)
+ static wxWindow *FindWindowById( long winid, const wxWindow *parent = NULL );
+ static wxWindow *FindWindowByName( const wxString& name,
+ const wxWindow *parent = NULL );
+ static wxWindow *FindWindowByLabel( const wxString& label,
+ const wxWindow *parent = NULL );
+
+ // 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 );
+
+ // find the given handler in the event handler chain and remove (but
+ // not delete) it from the event handler chain, return true if it was
+ // found and false otherwise (this also results in an assert failure so
+ // this function should only be called when the handler is supposed to
+ // be there)
+ bool RemoveEventHandler(wxEvtHandler *handler);
+
+ // validators
+ // ----------
+
+#if wxUSE_VALIDATORS
+ // 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; }
+#endif // wxUSE_VALIDATORS
+
+
+ // 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();
+
+#if wxUSE_ACCEL
+ // accelerators
+ // ------------
+ virtual void SetAcceleratorTable( const wxAcceleratorTable& accel )
+ { m_acceleratorTable = accel; }
+ wxAcceleratorTable *GetAcceleratorTable()
+ { return &m_acceleratorTable; }
+
+#endif // wxUSE_ACCEL
+
+#if wxUSE_HOTKEY
+ // hot keys (system wide accelerators)
+ // -----------------------------------
+
+ virtual bool RegisterHotKey(int hotkeyId, int modifiers, int keycode);
+ virtual bool UnregisterHotKey(int hotkeyId);
+#endif // wxUSE_HOTKEY
+
+
+ // 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, these functions maintain the stack of
+ // windows having captured the mouse and after calling ReleaseMouse()
+ // the mouse is not released but returns to the window which had had
+ // captured it previously (if any)
+ void CaptureMouse();
+ void ReleaseMouse();
+
+ // get the window which currently captures the mouse or NULL
+ static wxWindow *GetCapture();
+
+ // does this window have the capture?
+ virtual bool HasCapture() const
+ { return (wxWindow *)this == GetCapture(); }
+
+ // 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;
+
+ // a less awkward wrapper for Refresh
+ void RefreshRect(const wxRect& rect, bool eraseBackground = true)
+ {
+ Refresh(eraseBackground, &rect);
+ }
+
+ // repaint all invalid areas of the window immediately
+ virtual void Update() { }
+
+ // clear the window background
+ virtual void ClearBackground();
+
+ // freeze the window: don't redraw it until it is thawed
+ virtual void Freeze() { }
+
+ // thaw the window: redraw it after it had been frozen
+ virtual void Thaw() { }
+
+ // 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; }
+
+ // get the update rectangleregion bounding box in client coords
+ wxRect GetUpdateClientRect() const;
+
+ // 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
+ // --------------------------
+
+ // get the default attributes for the controls of this class: we
+ // provide a virtual function which can be used to query the default
+ // attributes of an existing control and a static function which can
+ // be used even when no existing object of the given class is
+ // available, but which won't return any styles specific to this
+ // particular control, of course (e.g. "Ok" button might have
+ // different -- bold for example -- font)
+ virtual wxVisualAttributes GetDefaultAttributes() const
+ {
+ return GetClassDefaultAttributes(GetWindowVariant());
+ }
+
+ static wxVisualAttributes
+ GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
+
+ // set/retrieve the window colours (system defaults are used by
+ // default): SetXXX() functions return true if colour was changed,
+ // SetDefaultXXX() reset the "m_inheritXXX" flag after setting the
+ // value to prevent it from being inherited by our children
+ virtual bool SetBackgroundColour(const wxColour& colour);
+ void SetOwnBackgroundColour(const wxColour& colour)
+ {
+ if ( SetBackgroundColour(colour) )
+ m_inheritBgCol = false;
+ }
+ wxColour GetBackgroundColour() const;
+ bool InheritsBackgroundColour() const
+ {
+ return m_inheritBgCol;
+ }
+ bool UseBgCol() const
+ {
+ return m_hasBgCol;
+ }
+
+ virtual bool SetForegroundColour(const wxColour& colour);
+ void SetOwnForegroundColour(const wxColour& colour)
+ {
+ if ( SetForegroundColour(colour) )
+ m_inheritFgCol = false;
+ }
+ wxColour GetForegroundColour() const;
+
+ // Set/get the background style.
+ // Pass one of wxBG_STYLE_SYSTEM, wxBG_STYLE_COLOUR, wxBG_STYLE_CUSTOM
+ virtual bool SetBackgroundStyle(wxBackgroundStyle style) { m_backgroundStyle = style; return true; }
+ virtual wxBackgroundStyle GetBackgroundStyle() const { return m_backgroundStyle; }
+
+ // returns true if the control has "transparent" areas such as a
+ // wxStaticText and wxCheckBox and the background should be adapted
+ // from a parent window
+ virtual bool HasTransparentBackground() { return false; }
+
+ // set/retrieve the font for the window (SetFont() returns true if the
+ // font really changed)
+ virtual bool SetFont(const wxFont& font) = 0;
+ void SetOwnFont(const wxFont& font)
+ {
+ if ( SetFont(font) )
+ m_inheritFont = false;
+ }
+ wxFont GetFont() const;
+
+ // 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; }
+
+#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;
+
+ // client <-> screen coords
+ // ------------------------
+
+ // 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 interface to do the same thing
+ 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);
+ }
+
+ // test where the given (in client coords) point lies
+ wxHitTest HitTest(wxCoord x, wxCoord y) const
+ { return DoHitTest(x, y); }
+
+ wxHitTest HitTest(const wxPoint& pt) const
+ { return DoHitTest(pt.x, pt.y); }
+
+ // misc
+ // ----
+
+ // get the window border style from the given flags: this is different from
+ // simply doing flags & wxBORDER_MASK because it uses GetDefaultBorder() to
+ // translate wxBORDER_DEFAULT to something reasonable
+ wxBorder GetBorder(long flags) const;
+
+ // get border for the flags of this window
+ wxBorder GetBorder() const { return GetBorder(GetWindowStyleFlag()); }
+
+ // send wxUpdateUIEvents to this window, and children if recurse is true
+ virtual void UpdateWindowUI(long flags = wxUPDATE_UI_NONE);
+
+ // do the window-specific processing after processing the update event
+ virtual void DoUpdateWindowUI(wxUpdateUIEvent& event) ;
+
+#if wxUSE_MENUS
+ bool PopupMenu(wxMenu *menu, const wxPoint& pos = wxDefaultPosition)
+ { return DoPopupMenu(menu, pos.x, pos.y); }
+ bool PopupMenu(wxMenu *menu, int x, int y)
+ { return DoPopupMenu(menu, x, y); }
+#endif // wxUSE_MENUS
+
+ // scrollbars
+ // ----------
+
+ // does the window have the scrollbar for this orientation?
+ bool HasScrollbar(int orient) const
+ {
+ return (m_windowStyle &
+ (orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0;
+ }
+
+ // 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;
+
+ // scrolls window by line/page: note that not all controls support this
+ //
+ // return true if the position changed, false otherwise
+ virtual bool ScrollLines(int WXUNUSED(lines)) { return false; }
+ virtual bool ScrollPages(int WXUNUSED(pages)) { return false; }
+
+ // convenient wrappers for ScrollLines/Pages
+ bool LineUp() { return ScrollLines(-1); }
+ bool LineDown() { return ScrollLines(1); }
+ bool PageUp() { return ScrollPages(-1); }
+ bool PageDown() { return ScrollPages(1); }
+
+ // context-sensitive help
+ // ----------------------
+
+ // these are the convenience functions wrapping wxHelpProvider methods
+
+#if wxUSE_HELP
+ // associate this help text with this window
+ void SetHelpText(const wxString& text);
+ // associate this help text with all windows with the same id as this
+ // one
+ void SetHelpTextForId(const wxString& text);
+ // get the help string associated with this window (may be empty)
+ wxString GetHelpText() const;
+#endif // wxUSE_HELP
+
+ // 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; }
+ wxString GetToolTipText() const ;
+#else
+ // make it much easier to compile apps in an environment
+ // that doesn't support tooltips, such as PocketPC
+ inline void SetToolTip( const wxString & WXUNUSED(tip) ) {}
+#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; }
+
+ // 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 phase);
+
+ // these methods are virtual but normally won't be overridden
+ 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 ;
+
+#endif // wxUSE_CONSTRAINTS
+
+ // when using constraints or sizers, 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; }
+
+ // lay out the window and its children
+ virtual bool Layout();
+
+ // sizers
+ void SetSizer(wxSizer *sizer, bool deleteOld = true );
+ void SetSizerAndFit( wxSizer *sizer, bool deleteOld = true );
+
+ wxSizer *GetSizer() const { return m_windowSizer; }
+
+ // Track if this window is a member of a sizer
+ void SetContainingSizer(wxSizer* sizer);
+ wxSizer *GetContainingSizer() const { return m_containingSizer; }
+
+ // accessibility
+ // ----------------------
+#if wxUSE_ACCESSIBILITY
+ // Override to create a specific accessible object.
+ virtual wxAccessible* CreateAccessible();
+
+ // Sets the accessible object.
+ void SetAccessible(wxAccessible* accessible) ;
+
+ // Returns the accessible object.
+ wxAccessible* GetAccessible() { return m_accessible; };
+
+ // Returns the accessible object, creating if necessary.
+ wxAccessible* GetOrCreateAccessible() ;
projects / wxWidgets.git / blobdiff