+// ----------------------------------------------------------------------------
+// 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/intl.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__
+
+
+// Define this macro if the corresponding operating system handles the state
+// of children windows automatically when the parent is enabled/disabled.
+// Otherwise wx itself must ensure that when the parent is disabled its
+// children are disabled too, and their initial state is restored when the
+// parent is enabled back.
+#if defined(__WXMSW__) || defined(__WXPM__)
+ // must do everything ourselves
+ #undef wxHAS_NATIVE_ENABLED_MANAGEMENT
+#else
+ #define wxHAS_NATIVE_ENABLED_MANAGEMENT
+#endif
+
+// ----------------------------------------------------------------------------
+// forward declarations
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_FWD_CORE wxCaret;
+class WXDLLIMPEXP_FWD_CORE wxControl;
+class WXDLLIMPEXP_FWD_CORE wxCursor;
+class WXDLLIMPEXP_FWD_CORE wxDC;
+class WXDLLIMPEXP_FWD_CORE wxDropTarget;
+class WXDLLIMPEXP_FWD_CORE wxLayoutConstraints;
+class WXDLLIMPEXP_FWD_CORE wxSizer;
+class WXDLLIMPEXP_FWD_CORE wxToolTip;
+class WXDLLIMPEXP_FWD_CORE wxWindowBase;
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxScrollHelper;
+
+#if wxUSE_ACCESSIBILITY
+class WXDLLIMPEXP_FWD_CORE wxAccessible;
+#endif
+
+// ----------------------------------------------------------------------------
+// helper stuff used by wxWindow
+// ----------------------------------------------------------------------------
+
+// struct containing all the visual attributes of a control
+struct WXDLLIMPEXP_CORE 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
+
+// valid values for Show/HideWithEffect()
+enum wxShowEffect
+{
+ wxSHOW_EFFECT_NONE,
+ wxSHOW_EFFECT_ROLL_TO_LEFT,
+ wxSHOW_EFFECT_ROLL_TO_RIGHT,
+ wxSHOW_EFFECT_ROLL_TO_TOP,
+ wxSHOW_EFFECT_ROLL_TO_BOTTOM,
+ wxSHOW_EFFECT_SLIDE_TO_LEFT,
+ wxSHOW_EFFECT_SLIDE_TO_RIGHT,
+ wxSHOW_EFFECT_SLIDE_TO_TOP,
+ wxSHOW_EFFECT_SLIDE_TO_BOTTOM,
+ wxSHOW_EFFECT_BLEND,
+ wxSHOW_EFFECT_EXPAND,
+ wxSHOW_EFFECT_MAX
+};
+
+// flags for SendSizeEvent()
+enum
+{
+ wxSEND_EVENT_POST = 1
+};
+
+// ----------------------------------------------------------------------------
+// (pseudo)template list classes
+// ----------------------------------------------------------------------------
+
+WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLIMPEXP_CORE);
+
+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
+extern WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
+
+// declared here for compatibility only, main declaration is in wx/app.h
+extern WXDLLIMPEXP_DATA_BASE(wxList) wxPendingDelete;
+
+// ----------------------------------------------------------------------------
+// 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 WXDLLIMPEXP_CORE wxWindowBase : public wxEvtHandler
+{
+public:
+ // creating the window
+ // -------------------
+
+ // default ctor, initializes everything which can be initialized before
+ // Create()
+ wxWindowBase() ;
+
+ 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;
+
+ // window attributes
+ // -----------------
+
+ // label is just the same as the title (but for, e.g., buttons it
+ // makes more sense to speak about labels), title access
+ // is available from wxTLW classes only (frames, dialogs)
+ virtual void SetLabel(const wxString& label) = 0;
+ virtual wxString GetLabel() const = 0;
+
+ // 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; }
+
+
+ // get or change the layout direction (LTR or RTL) for this window,
+ // wxLayout_Default is returned if layout direction is not supported
+ virtual wxLayoutDirection GetLayoutDirection() const
+ { return wxLayout_Default; }
+ virtual void SetLayoutDirection(wxLayoutDirection WXUNUSED(dir))
+ { }
+
+ // mirror coordinates for RTL layout if this window uses it and if the
+ // mirroring is not done automatically like Win32
+ virtual wxCoord AdjustForLayoutDirection(wxCoord x,
+ wxCoord width,
+ wxCoord widthTotal) const;
+
+
+ // 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 unique id (or count of them consecutively), returns a
+ // valid id in the auto-id range or wxID_NONE if failed. If using
+ // autoid management, it will mark the id as reserved until it is
+ // used (by assigning it to a wxWindowIDRef) or unreserved.
+ static wxWindowID NewControlId(int count = 1)
+ {
+ return wxIdManager::ReserveId(count);
+ }
+
+ // If an ID generated from NewControlId is not assigned to a wxWindowIDRef,
+ // it must be unreserved
+ static void UnreserveControlId(wxWindowID id, int count = 1)
+ {
+ wxIdManager::UnreserveId(id, count);
+ }
+
+
+ // 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); }
+
+ void SetPosition(const wxPoint& pt) { Move(pt); }
+
+ // 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 (pointers may be NULL): notice that it is in
+ // client coordinates for child windows and screen coordinates for the
+ // top level ones, use GetScreenPosition() if you need screen
+ // coordinates for all kinds of windows
+ void GetPosition( int *x, int *y ) const { DoGetPosition(x, y); }
+ wxPoint GetPosition() const
+ {
+ int x, y;
+ DoGetPosition(&x, &y);
+
+ return wxPoint(x, y);
+ }
+
+ // get the window position in screen coordinates
+ void GetScreenPosition(int *x, int *y) const { DoGetScreenPosition(x, y); }
+ wxPoint GetScreenPosition() const
+ {
+ int x, y;
+ DoGetScreenPosition(&x, &y);
+
+ return wxPoint(x, y);
+ }
+
+ // get the window size (pointers may be NULL)
+ void GetSize( int *w, int *h ) const { DoGetSize(w, h); }
+ wxSize GetSize() const
+ {
+ int w, h;
+ DoGetSize(& w, & h);
+ return wxSize(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 position and size at once
+ wxRect GetRect() const
+ {
+ int x, y, w, h;
+ GetPosition(&x, &y);
+ GetSize(&w, &h);
+
+ return wxRect(x, y, w, h);
+ }
+
+ wxRect GetScreenRect() const
+ {
+ int x, y, w, h;
+ GetScreenPosition(&x, &y);
+ GetSize(&w, &h);
+
+ return wxRect(x, y, 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());
+ }
+
+ // client<->window size conversion
+ virtual wxSize ClientToWindowSize(const wxSize& size) const;
+ virtual wxSize WindowToClientSize(const wxSize& size) const;
+
+ // 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;
+
+ void GetBestSize(int *w, int *h) const
+ {
+ wxSize s = GetBestSize();
+ if ( w )
+ *w = s.x;
+ if ( h )
+ *h = s.y;
+ }
+
+ void SetScrollHelper( wxScrollHelper *sh ) { m_scrollHelper = sh; }
+ wxScrollHelper *GetScrollHelper() { return m_scrollHelper; }
+
+ // 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; }
+
+
+ // 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.
+ virtual wxSize GetEffectiveMinSize() const;
+ wxDEPRECATED( wxSize GetBestFittingSize() const ); // replaced by GetEffectiveMinSize
+ wxDEPRECATED( wxSize GetAdjustedMinSize() const ); // replaced by GetEffectiveMinSize
+
+ // A 'Smart' SetSize that will fill in default size values with 'best'
+ // size. Sets the minsize to what was passed in.
+ void SetInitialSize(const wxSize& size=wxDefaultSize);
+ wxDEPRECATED( void SetBestFittingSize(const wxSize& size=wxDefaultSize) ); // replaced by SetInitialSize
+
+
+ // 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 dir = wxBOTH) { DoCentre(dir); }
+ void Center(int dir = wxBOTH) { DoCentre(dir); }
+
+ // centre with respect to the parent window
+ void CentreOnParent(int dir = wxBOTH) { DoCentre(dir); }
+ 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();
+
+
+ // SetSizeHints is actually for setting the size hints
+ // for the wxTLW for a Window Manager - hence the name -
+ // and it is therefore overridden in wxTLW to do that.
+ // In wxWindow(Base), it has (unfortunately) been abused
+ // to mean the same as SetMinSize() and SetMaxSize().
+
+ 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); }
+
+
+#if WXWIN_COMPATIBILITY_2_8
+ // these are useless and do nothing since wxWidgets 2.9
+ wxDEPRECATED( virtual void SetVirtualSizeHints( int minW, int minH,
+ int maxW = wxDefaultCoord, int maxH = wxDefaultCoord ) );
+ wxDEPRECATED( void SetVirtualSizeHints( const wxSize& minSize,
+ const wxSize& maxSize=wxDefaultSize) );
+#endif // WXWIN_COMPATIBILITY_2_8
+
+
+ // Call these to override what GetBestSize() returns. This
+ // method is only virtual because it is overridden in wxTLW
+ // as a different API for SetSizeHints().
+ virtual void SetMinSize(const wxSize& minSize);
+ virtual void SetMaxSize(const wxSize& maxSize);
+
+ // Like Set*Size, but for client, not window, size
+ virtual void SetMinClientSize(const wxSize& size)
+ { SetMinSize(ClientToWindowSize(size)); }
+ virtual void SetMaxClientSize(const wxSize& size)
+ { SetMaxSize(ClientToWindowSize(size)); }
+
+ // Override these methods to impose restrictions on min/max size.
+ // The easier way is to call SetMinSize() and SetMaxSize() which
+ // will have the same effect. Doing both is non-sense.
+ virtual wxSize GetMinSize() const { return wxSize(m_minWidth, m_minHeight); }
+ virtual wxSize GetMaxSize() const { return wxSize(m_maxWidth, m_maxHeight); }
+
+ // Like Get*Size, but for client, not window, size
+ virtual wxSize GetMinClientSize() const
+ { return WindowToClientSize(GetMinSize()); }
+ virtual wxSize GetMaxClientSize() const
+ { return WindowToClientSize(GetMaxSize()); }
+
+ // Get the min and max values one by one
+ int GetMinWidth() const { return GetMinSize().x; }
+ int GetMinHeight() const { return GetMinSize().y; }
+ int GetMaxWidth() const { return GetMaxSize().x; }
+ int GetMaxHeight() const { return GetMaxSize().y; }
+
+
+ // 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 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 ) );
+ }
+
+ // return the size of the left/right and top/bottom borders in x and y
+ // components of the result respectively
+ virtual wxSize GetWindowBorderSize() const;
+
+ // wxSizer and friends use this to give a chance to a component to recalc
+ // its min size once one of the final size components is known. Override
+ // this function when that is useful (such as for wxStaticText which can
+ // stretch over several lines). Parameter availableOtherDir
+ // tells the item how much more space there is available in the opposite
+ // direction (-1 if unknown).
+ virtual bool
+ InformFirstDirection(int direction, int size, int availableOtherDir);
+
+ // sends a size event to the window using its current size -- this has an
+ // effect of refreshing the window layout
+ //
+ // by default the event is sent, i.e. processed immediately, but if flags
+ // value includes wxSEND_EVENT_POST then it's posted, i.e. only schedule
+ // for later processing
+ virtual void SendSizeEvent(int flags = 0);
+
+ // this is a safe wrapper for GetParent()->SendSizeEvent(): it checks that
+ // we have a parent window and it's not in process of being deleted
+ //
+ // this is used by controls such as tool/status bars changes to which must
+ // also result in parent re-layout
+ void SendSizeEventToParent(int flags = 0);
+
+ // this is a more readable synonym for SendSizeEvent(wxSEND_EVENT_POST)
+ void PostSizeEvent() { SendSizeEvent(wxSEND_EVENT_POST); }
+
+ // this is the same as SendSizeEventToParent() but using PostSizeEvent()
+ void PostSizeEventToParent() { SendSizeEventToParent(wxSEND_EVENT_POST); }
+
+
+ // 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); }
+
+ // show or hide the window with a special effect, not implemented on
+ // most platforms (where it is the same as Show()/Hide() respectively)
+ //
+ // timeout specifies how long the animation should take, in ms, the
+ // default value of 0 means to use the default (system-dependent) value
+ virtual bool ShowWithEffect(wxShowEffect WXUNUSED(effect),
+ unsigned WXUNUSED(timeout) = 0)
+ {
+ return Show();
+ }
+
+ virtual bool HideWithEffect(wxShowEffect WXUNUSED(effect),
+ unsigned WXUNUSED(timeout) = 0)
+ {
+ return Hide();
+ }
+
+ // 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; }
+ // returns true if the window is really enabled and false otherwise,
+ // whether because it had been explicitly disabled itself or because
+ // its parent is currently disabled -- then this method returns false
+ // whatever is the intrinsic state of this window, use IsThisEnabled(0
+ // to retrieve it. In other words, this relation always holds:
+ //
+ // IsEnabled() == IsThisEnabled() && parent.IsEnabled()
+ //
+ bool IsEnabled() const;
+
+ // returns the internal window state independently of the parent(s)
+ // state, i.e. the state in which the window would be if all its
+ // parents were enabled (use IsEnabled() above to get the effective
+ // window state)
+ bool IsThisEnabled() const { return m_isEnabled; }
+
+ // returns true if the window is visible, i.e. IsShown() returns true
+ // if called on it and all its parents up to the first TLW
+ virtual bool IsShownOnScreen() const;
+
+ // 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) synonyms
+ void SetWindowStyle( long style ) { SetWindowStyleFlag(style); }
+ long GetWindowStyle() const { return GetWindowStyleFlag(); }
+
+ // check if the flag is set
+ bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; }
+ virtual bool IsRetained() const { return HasFlag(wxRETAINED); }
+
+ // turn the flag on if it had been turned off before and vice versa,
+ // return true if the flag is currently turned on
+ bool ToggleWindowStyle(int flag);
+
+ // 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; }
+
+ bool HasExtraStyle(int exFlag) const { return (m_exStyle & exFlag) != 0; }
+
+ // 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 */;
+
+ // return true if the window has focus (handles composite windows
+ // correctly - returns true if GetMainWindowOfCompositeControl()
+ // has focus)
+ virtual bool HasFocus() const;
+
+ // can this window have focus in principle?
+ //
+ // the difference between AcceptsFocus[FromKeyboard]() and CanAcceptFocus
+ // [FromKeyboard]() is that the former functions are meant to be
+ // overridden in the derived classes to simply return false if the
+ // control can't have focus, while the latter are meant to be used by
+ // this class clients and take into account the current window state
+ virtual bool AcceptsFocus() const { return true; }
+
+ // can this window or one of its children accept focus?
+ //
+ // usually it's the same as AcceptsFocus() but is overridden for
+ // container windows
+ virtual bool AcceptsFocusRecursively() const { return AcceptsFocus(); }
+
+ // 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(); }
+
+
+ // this is mostly a helper for the various functions using it below
+ bool CanBeFocused() const { return IsShown() && IsEnabled(); }
+
+ // can this window itself have focus?
+ bool IsFocusable() const { return AcceptsFocus() && CanBeFocused(); }
+
+ // can this window have focus right now?
+ //
+ // if this method returns true, it means that calling SetFocus() will
+ // put focus either to this window or one of its children, if you need
+ // to know whether this window accepts focus itself, use IsFocusable()
+ bool CanAcceptFocus() const
+ { return AcceptsFocusRecursively() && CanBeFocused(); }
+
+ // can this window be assigned focus from keyboard right now?
+ bool CanAcceptFocusFromKeyboard() const
+ { return AcceptsFocusFromKeyboard() && CanBeFocused(); }
+
+ // call this when the return value of AcceptsFocus() changes
+ virtual void SetCanFocus(bool WXUNUSED(canFocus)) { }
+
+ // navigates inside this window
+ bool NavigateIn(int flags = wxNavigationKeyEvent::IsForward)
+ { return DoNavigateIn(flags); }
+
+ // navigates in the specified direction from this window, this is
+ // equivalent to GetParent()->NavigateIn()
+ bool Navigate(int flags = wxNavigationKeyEvent::IsForward)
+ { return m_parent && ((wxWindowBase *)m_parent)->DoNavigateIn(flags); }
+
+ // this function will generate the appropriate call to Navigate() if the
+ // key event is one normally used for keyboard navigation and return true
+ // in this case
+ bool HandleAsNavigationKey(const wxKeyEvent& event);
+
+ // 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, OrderBefore); }
+ void MoveAfterInTabOrder(wxWindow *win)
+ { DoMoveInTabOrder(win, OrderAfter); }
+
+
+ // 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 window before/after this one in the parents children list,
+ // returns NULL if this is the first/last window
+ wxWindow *GetPrevSibling() const { return DoGetSibling(OrderBefore); }
+ wxWindow *GetNextSibling() const { return DoGetSibling(OrderAfter); }
+
+ // 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 );
+
+ // returns true if the child is in the client area of the window, i.e. is
+ // not scrollbar, toolbar etc.
+ virtual bool IsClientAreaChild(const wxWindow *WXUNUSED(child)) const
+ { return true; }
+
+ // 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 );
+
+ // 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);
+
+ // Process an event by calling GetEventHandler()->ProcessEvent(): this
+ // is a straightforward replacement for ProcessEvent() itself which
+ // shouldn't be used directly with windows as it doesn't take into
+ // account any event handlers associated with the window
+ bool ProcessWindowEvent(wxEvent& event)
+ { return GetEventHandler()->ProcessEvent(event); }
+
+ // Call GetEventHandler()->ProcessEventLocally(): this should be used
+ // instead of calling ProcessEventLocally() directly on the window
+ // itself as this wouldn't take any pushed event handlers into account
+ // correctly
+ bool ProcessWindowEventLocally(wxEvent& event)
+ { return GetEventHandler()->ProcessEventLocally(event); }
+
+ // Process an event by calling GetEventHandler()->ProcessEvent() and
+ // handling any exceptions thrown by event handlers. It's mostly useful
+ // when processing wx events when called from C code (e.g. in GTK+
+ // callback) when the exception wouldn't correctly propagate to
+ // wxEventLoop.
+ bool HandleWindowEvent(wxEvent& event) const;
+
+ // disable wxEvtHandler double-linked list mechanism:
+ virtual void SetNextHandler(wxEvtHandler *handler);
+ virtual void SetPreviousHandler(wxEvtHandler *handler);
+
+
+ // Watcom doesn't allow reducing access with using access declaration, see
+ // #10749
+#ifndef __WATCOMC__
+protected:
+
+ // NOTE: we change the access specifier of the following wxEvtHandler functions
+ // so that the user won't be able to call them directly.
+ // Calling wxWindow::ProcessEvent in fact only works when there are NO
+ // event handlers pushed on the window.
+ // To ensure correct operation, instead of wxWindow::ProcessEvent
+ // you must always call wxWindow::GetEventHandler()->ProcessEvent()
+ // or HandleWindowEvent().
+ // The same holds for all other wxEvtHandler functions.
+
+ using wxEvtHandler::ProcessEvent;
+ using wxEvtHandler::ProcessEventLocally;
+#if wxUSE_THREADS
+ using wxEvtHandler::ProcessThreadEvent;
+#endif
+ using wxEvtHandler::SafelyProcessEvent;
+ using wxEvtHandler::ProcessPendingEvents;
+ using wxEvtHandler::AddPendingEvent;
+ using wxEvtHandler::QueueEvent;
+#endif // __WATCOMC__
+
+public:
+
+ // 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 ) const;
+ wxPoint ConvertDialogToPixels( const wxPoint& pt ) const;
+ wxSize ConvertPixelsToDialog( const wxSize& sz ) const
+ {
+ wxPoint pt(ConvertPixelsToDialog(wxPoint(sz.x, sz.y)));
+
+ return wxSize(pt.x, pt.y);
+ }
+
+ wxSize ConvertDialogToPixels( const wxSize& sz ) const
+ {
+ 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
+ void Freeze();
+
+ // thaw the window: redraw it after it had been frozen
+ void Thaw();
+
+ // return true if window had been frozen and not unthawed yet
+ bool IsFrozen() const { return m_freezeCount != 0; }
+
+ // adjust DC for drawing on this window
+ virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { }
+
+ // return true if the window contents is double buffered by the system
+ virtual bool IsDoubleBuffered() const { return false; }
+
+ // 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
+ virtual bool DoIsExposed( int x, int y ) const;
+ virtual bool DoIsExposed( int x, int y, int w, int h ) const;
+
+ bool IsExposed( int x, int y ) const
+ { return DoIsExposed(x, y); }
+ bool IsExposed( int x, int y, int w, int h ) const
+ { return DoIsExposed(x, y, w, h); }
+ bool IsExposed( const wxPoint& pt ) const
+ { return DoIsExposed(pt.x, pt.y); }
+ bool IsExposed( const wxRect& rect ) const
+ { return DoIsExposed(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.
+ virtual bool SetBackgroundStyle(wxBackgroundStyle style)
+ { m_backgroundStyle = style; return true; }
+ 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
+ void GetTextExtent(const wxString& string,
+ int *x, int *y,
+ int *descent = NULL,
+ int *externalLeading = NULL,
+ const wxFont *font = NULL) const
+ {
+ DoGetTextExtent(string, x, y, descent, externalLeading, font);
+ }
+
+ wxSize GetTextExtent(const wxString& string) const
+ {
+ wxCoord w, h;
+ GetTextExtent(string, &w, &h);
+ return wxSize(w, h);
+ }
+
+ // 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
+ // show popup menu at the given position, generate events for the items
+ // selected in it
+ bool PopupMenu(wxMenu *menu, const wxPoint& pos = wxDefaultPosition)
+ { return PopupMenu(menu, pos.x, pos.y); }
+ bool PopupMenu(wxMenu *menu, int x, int y);
+
+ // simply return the id of the selected item or wxID_NONE without
+ // generating any events
+ int GetPopupMenuSelectionFromUser(wxMenu& menu,
+ const wxPoint& pos = wxDefaultPosition)
+ { return DoGetPopupMenuSelectionFromUser(menu, pos.x, pos.y); }
+ int GetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
+ { return DoGetPopupMenuSelectionFromUser(menu, x, y); }
+#endif // wxUSE_MENUS
+
+ // override this method to return true for controls having multiple pages
+ virtual bool HasMultiplePages() const { return false; }
+
+
+ // scrollbars
+ // ----------
+
+ // can the window have the scrollbar in this orientation?
+ bool CanScroll(int orient) const
+ {
+ return (m_windowStyle &
+ (orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0;
+ }
+
+ // does the window have the scrollbar in this orientation?
+ bool HasScrollbar(int orient) const;
+
+ // 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 = 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); }
+
+ // call this to always show one or both scrollbars, even if the window
+ // is big enough to not require them
+ virtual void AlwaysShowScrollbars(bool WXUNUSED(horz) = true,
+ bool WXUNUSED(vert) = true)
+ {
+ }
+
+ // return true if AlwaysShowScrollbars() had been called before for the
+ // corresponding orientation
+ virtual bool IsScrollbarAlwaysShown(int WXUNUSED(orient)) const
+ {
+ return false;
+ }
+
+ // 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);
+
+#if WXWIN_COMPATIBILITY_2_8
+ // Associate this help text with all windows with the same id as this one.
+ // Don't use this, do wxHelpProvider::Get()->AddHelp(id, text);
+ wxDEPRECATED( void SetHelpTextForId(const wxString& text) );
+#endif // WXWIN_COMPATIBILITY_2_8
+
+ // get the help string associated with the given position in this window
+ //
+ // notice that pt may be invalid if event origin is keyboard or unknown
+ // and this method should return the global window help text then
+ virtual wxString GetHelpTextAtPoint(const wxPoint& pt,
+ wxHelpEvent::Origin origin) const;
+ // returns the position-independent help text
+ wxString GetHelpText() const
+ {
+ return GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Unknown);
+ }
+
+#else // !wxUSE_HELP
+ // silently ignore SetHelpText() calls
+ void SetHelpText(const wxString& WXUNUSED(text)) { }
+ void SetHelpTextForId(const wxString& WXUNUSED(text)) { }
+#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, pointer can be NULL to remove
+ // existing tooltip
+ void SetToolTip( wxToolTip *tip ) { DoSetToolTip(tip); }
+ // more readable synonym for SetToolTip(NULL)
+ void UnsetToolTip() { SetToolTip(NULL); }
+ // get the associated tooltip or NULL if none
+ wxToolTip* GetToolTip() const { return m_tooltip; }
+ wxString GetToolTipText() const;
+#else // !wxUSE_TOOLTIPS
+ // make it much easier to compile apps in an environment
+ // that doesn't support tooltips, such as PocketPC
+ void SetToolTip(const wxString & WXUNUSED(tip)) { }
+ void UnsetToolTip() { }
+#endif // wxUSE_TOOLTIPS/!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; }
+
+ // Accept files for dragging
+ virtual void DragAcceptFiles(bool accept)
+#ifdef __WXMSW__
+ // it does have common implementation but not for MSW which has its own
+ // native version of it
+ = 0
+#endif // __WXMSW__
+ ;
+
+#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 overridden 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() ;
+#endif
+
+
+ // Set window transparency if the platform supports it
+ virtual bool SetTransparent(wxByte WXUNUSED(alpha)) { return false; }
+ virtual bool CanSetTransparent() { return false; }
+
+
+ // implementation
+ // --------------
+
+ // event handlers
+ void OnSysColourChanged( wxSysColourChangedEvent& event );
+ void OnInitDialog( wxInitDialogEvent &event );
+ void OnMiddleClick( wxMouseEvent& event );
+#if wxUSE_HELP
+ void OnHelp(wxHelpEvent& event);
+#endif // wxUSE_HELP
+
+ // virtual function for implementing internal idle
+ // behaviour
+ virtual void OnInternalIdle();
+
+ // Send idle event to window and all subwindows
+ // Returns true if more idle time is requested.
+ virtual bool SendIdleEvents(wxIdleEvent& event);
+
+ // get the handle 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;
+ // associate the window with a new native handle
+ virtual void AssociateHandle(WXWidget WXUNUSED(handle)) { }
+ // dissociate the current native handle from the window
+ virtual void DissociateHandle() { }
+
+#if wxUSE_PALETTE
+ // Store the palette used by DCs in wxWindow so that the dcs can share
+ // a palette. And we can respond to palette messages.
+ wxPalette GetPalette() const { return m_palette; }
+
+ // When palette is changed tell the DC to set the system palette to the
+ // new one.
+ void SetPalette(const wxPalette& pal);
+
+ // return true if we have a specific palette
+ bool HasCustomPalette() const { return m_hasCustomPalette; }
+
+ // return the first parent window with a custom palette or NULL
+ wxWindow *GetAncestorWithCustomPalette() const;
+#endif // wxUSE_PALETTE
+
+ // inherit the parents visual attributes if they had been explicitly set
+ // by the user (i.e. we don't inherit default attributes) and if we don't
+ // have our own explicitly set
+ virtual void InheritAttributes();
+
+ // returns false from here if this window doesn't want to inherit the
+ // parents colours even if InheritAttributes() would normally do it
+ //
+ // this just provides a simple way to customize InheritAttributes()
+ // behaviour in the most common case
+ virtual bool ShouldInheritColours() const { return false; }
+
+ // returns true if the window can be positioned outside of parent's client
+ // area (normal windows can't, but e.g. menubar or statusbar can):
+ virtual bool CanBeOutsideClientArea() const { return false; }
+
+ // returns true if the platform should explicitly apply a theme border. Currently
+ // used only by Windows
+ virtual bool CanApplyThemeBorder() const { return true; }
+
+ // returns the main window of composite control; this is the window
+ // that FindFocus returns if the focus is in one of composite control's
+ // windows
+ virtual wxWindow *GetMainWindowOfCompositeControl()
+ { return (wxWindow*)this; }
+
+protected:
+ // helper for the derived class Create() methods: the first overload, with
+ // validator parameter, should be used for child windows while the second
+ // one is used for top level ones
+ 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);
+
+ bool CreateBase(wxWindowBase *parent,
+ wxWindowID winid,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxString& name);
+
+ // event handling specific to wxWindow
+ virtual bool TryBefore(wxEvent& event);
+ virtual bool TryAfter(wxEvent& event);
+
+ enum WindowOrder
+ {
+ OrderBefore, // insert before the given window
+ OrderAfter // insert after the given window
+ };
+
+ // common part of GetPrev/NextSibling()
+ wxWindow *DoGetSibling(WindowOrder order) const;
+
+ // common part of MoveBefore/AfterInTabOrder()
+ virtual void DoMoveInTabOrder(wxWindow *win, WindowOrder move);
+
+ // implementation of Navigate() and NavigateIn()
+ virtual bool DoNavigateIn(int flags);
+
+#if wxUSE_CONSTRAINTS
+ // satisfy the constraints for the windows but don't set the window sizes
+ void SatisfyConstraints();
+#endif // wxUSE_CONSTRAINTS
+
+ // Send the wxWindowDestroyEvent if not done yet and sets m_isBeingDeleted
+ // to true
+ void SendDestroyEvent();
+
+ // this method should be implemented to use operating system specific code
+ // to really enable/disable the widget, it will only be called when we
+ // really need to enable/disable window and so no additional checks on the
+ // widgets state are necessary
+ virtual void DoEnable(bool WXUNUSED(enable)) { }
+
+ // called when the on-screen widget state changes and provides an
+ // an opportunity for the widget to update its visual state (colours,
+ // fonts, anything else) as necessary
+ virtual void OnEnabled(bool WXUNUSED(enabled)) { }
+
+
+ // the window id - a number which uniquely identifies a window among
+ // its siblings unless it is wxID_ANY
+ wxWindowIDRef 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) wxDefaultCoord)
+ 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;
+
+#if wxUSE_VALIDATORS
+ // associated validator or NULL if none
+ wxValidator *m_windowValidator;
+#endif // wxUSE_VALIDATORS
+
+#if wxUSE_DRAG_AND_DROP
+ wxDropTarget *m_dropTarget;
+#endif // wxUSE_DRAG_AND_DROP
+
+ // visual window attributes
+ wxCursor m_cursor;
+ wxFont m_font; // see m_hasFont
+ wxColour m_backgroundColour, // m_hasBgCol
+ m_foregroundColour; // m_hasFgCol
+
+#if wxUSE_CARET
+ wxCaret *m_caret;
+#endif // wxUSE_CARET
+
+ // the region which should be repainted in response to paint event
+ wxRegion m_updateRegion;
+
+#if wxUSE_ACCEL
+ // the accelerator table for the window which translates key strokes into
+ // command events
+ wxAcceleratorTable m_acceleratorTable;
+#endif // wxUSE_ACCEL
+
+ // 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;
+#endif // wxUSE_CONSTRAINTS
+
+ // this window's sizer
+ wxSizer *m_windowSizer;
+
+ // The sizer this window is a member of, if any
+ wxSizer *m_containingSizer;
+
+ // Layout() window automatically when its size changes?
+ bool m_autoLayout:1;
+
+ // window state
+ bool m_isShown:1;
+ bool m_isEnabled:1;
+ bool m_isBeingDeleted:1;
+
+ // was the window colours/font explicitly changed by user?
+ bool m_hasBgCol:1;
+ bool m_hasFgCol:1;
+ bool m_hasFont:1;
+
+ // and should it be inherited by children?
+ bool m_inheritBgCol:1;
+ bool m_inheritFgCol:1;
+ bool m_inheritFont:1;
+
+ // window attributes
+ long m_windowStyle,
+ m_exStyle;
+ wxString m_windowName;
+ bool m_themeEnabled;
+ wxBackgroundStyle m_backgroundStyle;
+#if wxUSE_PALETTE
+ wxPalette m_palette;
+ bool m_hasCustomPalette;
+#endif // wxUSE_PALETTE
+
+#if wxUSE_ACCESSIBILITY
+ wxAccessible* m_accessible;
+#endif
+
+ // Virtual size (scrolling)
+ wxSize m_virtualSize;
+
+ wxScrollHelper *m_scrollHelper;
+
+ wxWindowVariant m_windowVariant ;
+
+ // override this to change the default (i.e. used when no style is
+ // specified) border for the window class
+ virtual wxBorder GetDefaultBorder() const;
+
+ // this allows you to implement standard control borders without
+ // repeating the code in different classes that are not derived from
+ // wxControl
+ virtual wxBorder GetDefaultBorderForControl() const { return wxBORDER_THEME; }
+
+ // Get the default size for the new window if no explicit size given. TLWs
+ // have their own default size so this is just for non top-level windows.
+ static int WidthDefault(int w) { return w == wxDefaultCoord ? 20 : w; }
+ static int HeightDefault(int h) { return h == wxDefaultCoord ? 20 : h; }
+
+
+ // Used to save the results of DoGetBestSize so it doesn't need to be
+ // recalculated each time the value is needed.
+ wxSize m_bestSizeCache;
+
+ wxDEPRECATED( void SetBestSize(const wxSize& size) ); // use SetInitialSize
+ wxDEPRECATED( virtual void SetInitialBestSize(const wxSize& size) ); // use SetInitialSize
+
+
+
+ // 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.
+
+ // text extent
+ virtual void DoGetTextExtent(const wxString& string,
+ int *x, int *y,
+ int *descent = NULL,
+ int *externalLeading = NULL,
+ const wxFont *font = NULL) const = 0;
+
+ // coordinates translation
+ virtual void DoClientToScreen( int *x, int *y ) const = 0;
+ virtual void DoScreenToClient( int *x, int *y ) const = 0;
+
+ virtual wxHitTest DoHitTest(wxCoord x, wxCoord y) const;
+
+ // capture/release the mouse, used by Capture/ReleaseMouse()
+ virtual void DoCaptureMouse() = 0;
+ virtual void DoReleaseMouse() = 0;
+
+ // retrieve the position/size of the window
+ virtual void DoGetPosition(int *x, int *y) const = 0;
+ virtual void DoGetScreenPosition(int *x, int *y) const;
+ virtual void DoGetSize(int *width, int *height) const = 0;
+ virtual void DoGetClientSize(int *width, int *height) const = 0;
+
+ // get the size which best suits the window: for a control, it would be
+ // the minimal size which doesn't truncate the control, for a panel - the
+ // same size as it would have after a call to Fit()
+ virtual wxSize DoGetBestSize() const;
+
+ // this method can be overridden instead of DoGetBestSize() if it computes
+ // the best size of the client area of the window only, excluding borders
+ // (GetBorderSize() will be used to add them)
+ virtual wxSize DoGetBestClientSize() const { return wxDefaultSize; }
+
+ // this is the virtual function to be overridden 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;
+
+ virtual void DoSetSizeHints( int minW, int minH,
+ int maxW, int maxH,
+ int incW, int incH );
+
+ // return the total size of the window borders, i.e. the sum of the widths
+ // of the left and the right border in the x component of the returned size
+ // and the sum of the heights of the top and bottom borders in the y one
+ //
+ // NB: this is currently only implemented properly for wxMSW, wxGTK and
+ // wxUniv and doesn't behave correctly in the presence of scrollbars in
+ // the other ports
+ virtual wxSize DoGetBorderSize() const;
+
+ // move the window to the specified location and resize it: this is called
+ // from both DoSetSize() and DoSetClientSize() and would usually just
+ // reposition this window except for composite controls which will want to
+ // arrange themselves inside the given rectangle
+ //
+ // Important note: the coordinates passed to this method are in parent's
+ // *window* coordinates and not parent's client coordinates (as the values
+ // passed to DoSetSize and returned by DoGetPosition are)!
+ virtual void DoMoveWindow(int x, int y, int width, int height) = 0;
+
+ // centre the window in the specified direction on parent, note that
+ // wxCENTRE_ON_SCREEN shouldn't be specified here, it only makes sense for
+ // TLWs
+ virtual void DoCentre(int dir);
+
+#if wxUSE_TOOLTIPS
+ virtual void DoSetToolTip( wxToolTip *tip );
+#endif // wxUSE_TOOLTIPS
+
+#if wxUSE_MENUS
+ virtual bool DoPopupMenu(wxMenu *menu, int x, int y) = 0;
+#endif // wxUSE_MENUS
+
+ // Makes an adjustment to the window position to make it relative to the
+ // parents client area, e.g. if the parent is a frame with a toolbar, its
+ // (0, 0) is just below the toolbar
+ virtual void AdjustForParentClientOrigin(int& x, int& y,
+ int sizeFlags = 0) const;
+
+ // implements the window variants
+ virtual void DoSetWindowVariant( wxWindowVariant variant ) ;
+
+
+ // really freeze/thaw the window (should have port-specific implementation)
+ virtual void DoFreeze() { }
+ virtual void DoThaw() { }
+
+
+ // Must be called when mouse capture is lost to send
+ // wxMouseCaptureLostEvent to windows on capture stack.
+ static void NotifyCaptureLost();
+
+private:
+ // recursively call our own and our children OnEnabled() when the
+ // enabled/disabled status changed because a parent window had been
+ // enabled/disabled
+ void NotifyWindowOnEnableChange(bool enabled);
+
+#if wxUSE_MENUS
+ // temporary event handlers used by GetPopupMenuSelectionFromUser()
+ void InternalOnPopupMenu(wxCommandEvent& event);
+ void InternalOnPopupMenuUpdate(wxUpdateUIEvent& event);
+
+ // implementation of the public GetPopupMenuSelectionFromUser() method
+ int DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
+#endif // wxUSE_MENUS
+
+ // layout the window children when its size changes unless this was
+ // explicitly disabled with SetAutoLayout(false)
+ void InternalOnSize(wxSizeEvent& event);
+
+ // base for dialog unit conversion, i.e. average character size
+ wxSize GetDlgUnitBase() const;
+
+ // the stack of windows which have captured the mouse
+ static struct WXDLLIMPEXP_FWD_CORE wxWindowNext *ms_winCaptureNext;
+
+ // the window that currently has mouse capture
+ static wxWindow *ms_winCaptureCurrent;
+
+ // indicates if execution is inside CaptureMouse/ReleaseMouse
+ static bool ms_winCaptureChanging;
+
+
+ // number of Freeze() calls minus the number of Thaw() calls: we're frozen
+ // (i.e. not being updated) if it is positive
+ unsigned int m_freezeCount;
+
+
+ DECLARE_ABSTRACT_CLASS(wxWindowBase)
+ wxDECLARE_NO_COPY_CLASS(wxWindowBase);
+ DECLARE_EVENT_TABLE()
+};
+
+
+
+// Inlines for some deprecated methods
+inline wxSize wxWindowBase::GetBestFittingSize() const
+{
+ return GetEffectiveMinSize();
+}
+
+inline void wxWindowBase::SetBestFittingSize(const wxSize& size)
+{
+ SetInitialSize(size);
+}
+
+inline void wxWindowBase::SetBestSize(const wxSize& size)
+{
+ SetInitialSize(size);
+}
+
+inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
+{
+ SetInitialSize(size);
+}
+
+
+// ----------------------------------------------------------------------------
+// now include the declaration of wxWindow class
+// ----------------------------------------------------------------------------
+
+// include the declaration of the platform-specific class
+#if defined(__WXPALMOS__)
+ #ifdef __WXUNIVERSAL__
+ #define wxWindowNative wxWindowPalm
+ #else // !wxUniv
+ #define wxWindowPalm wxWindow
+ #endif // wxUniv/!wxUniv
+ #include "wx/palmos/window.h"
+#elif defined(__WXMSW__)
+ #ifdef __WXUNIVERSAL__
+ #define wxWindowNative wxWindowMSW
+ #else // !wxUniv
+ #define wxWindowMSW wxWindow
+ #endif // wxUniv/!wxUniv
+ #include "wx/msw/window.h"
projects / wxWidgets.git / blobdiff