X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f03fc89fff2d6e823e7d4d14fbe14822ad6777b1..1f0acb435592470b421b80df854fbbb08cd2853f:/include/wx/window.h diff --git a/include/wx/window.h b/include/wx/window.h index c780a6d5cf..07f1f084bb 100644 --- a/include/wx/window.h +++ b/include/wx/window.h @@ -1,11 +1,11 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: window.h -// Purpose: wxWindowBase class - the interface of wxWindowBase +// Name: wx/window.h +// Purpose: wxWindowBase class - the interface of wxWindow // Author: Vadim Zeitlin -// Modified by: +// Modified by: Ron Lee // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) wxWindows team +// Copyright: (c) Vadim Zeitlin // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// @@ -24,63 +24,135 @@ #include "wx/font.h" // so we can't do without them #include "wx/colour.h" #include "wx/region.h" -#include "wx/accel.h" +#include "wx/utils.h" +#include "wx/intl.h" -// ---------------------------------------------------------------------------- -// forward declarations -// ---------------------------------------------------------------------------- +#include "wx/validate.h" // for wxDefaultValidator (always include it) -class WXDLLEXPORT wxClientData; -class WXDLLEXPORT wxControl; -class WXDLLEXPORT wxCursor; -class WXDLLEXPORT wxDc; -class WXDLLEXPORT wxDropTarget; -class WXDLLEXPORT wxItemResource; -class WXDLLEXPORT wxLayoutConstraints; -class WXDLLEXPORT wxResourceTable; -class WXDLLEXPORT wxSizer; -class WXDLLEXPORT wxToolTip; -class WXDLLEXPORT wxValidator; -class WXDLLEXPORT wxWindowBase; -class WXDLLEXPORT wxWindow; +#if wxUSE_PALETTE + #include "wx/palette.h" +#endif // wxUSE_PALETTE -// ---------------------------------------------------------------------------- -// (pseudo)template list classes -// ---------------------------------------------------------------------------- +#if wxUSE_ACCEL + #include "wx/accel.h" +#endif // wxUSE_ACCEL -WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode); +#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 // ---------------------------------------------------------------------------- -// global variables +// forward declarations // ---------------------------------------------------------------------------- -WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows; +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 classes used by [SG]etClientObject/Data -// -// TODO move into a separate header? +// helper stuff used by wxWindow // ---------------------------------------------------------------------------- -class wxClientData +// struct containing all the visual attributes of a control +struct WXDLLIMPEXP_CORE wxVisualAttributes { -public: - wxClientData() { } - virtual ~wxClientData() { } + // 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; }; -class wxStringClientData : public wxClientData +// different window variants, on platforms like eg mac uses different +// rendering sizes +enum wxWindowVariant { -public: - wxStringClientData() { } - wxStringClientData( const wxString &data ) : m_data(data) { } - void SetData( const wxString &data ) { m_data = data; } - const wxString& GetData() const { return m_data; } + 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 +}; -private: - wxString m_data; +#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. @@ -92,81 +164,92 @@ private: // temporarily switches event handlers). // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxWindowBase : public wxEvtHandler +class WXDLLIMPEXP_CORE wxWindowBase : public wxEvtHandler { - DECLARE_ABSTRACT_CLASS(wxWindowBase); - public: // creating the window // ------------------- - // default ctor - wxWindowBase() { InitBase(); } - - // pseudo ctor (can't be virtual, called from ctor) - bool CreateBase(wxWindowBase *parent, - wxWindowID id, - const wxPoint& pos = wxDefaultPosition, - const wxSize& size = wxDefaultSize, - long style = 0, - const wxString& name = wxPanelNameStr); + // default ctor, initializes everything which can be initialized before + // Create() + wxWindowBase() ; virtual ~wxWindowBase(); -#if wxUSE_WX_RESOURCES - // these functions are implemented in resource.cpp and resourc2.cpp - virtual bool LoadFromResource(wxWindow *parent, - const wxString& resourceName, - const wxResourceTable *table = (const wxResourceTable *) NULL); - virtual wxControl *CreateItem(const wxItemResource* childResource, - const wxItemResource* parentResource, - const wxResourceTable *table = (const wxResourceTable *) NULL); -#endif // wxUSE_WX_RESOURCES - // deleting the window // ------------------- - // ask the window to close itself, return TRUE if the event handler + // ask the window to close itself, return true if the event handler // honoured our request - bool Close( bool force = FALSE ); + 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 + // delete window unconditionally (dangerous!), returns true if ok virtual bool Destroy(); - // delete all children of this window, returns TRUE if ok + // delete all children of this window, returns true if ok bool DestroyChildren(); // is the window being deleted? - bool IsBeingDeleted() const { return m_isBeingDeleted; } + bool IsBeingDeleted() const; // window attributes // ----------------- - // the title (or label, see below) of the window: the text which the - // window shows - virtual void SetTitle( const wxString & WXUNUSED(title) ) { } - virtual wxString GetTitle() const { return ""; } - // label is just the same as the title (but for, e.g., buttons it - // makes more sense to speak about labels) - wxString GetLabel() const { return GetTitle(); } + // 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 -1 which means "don't care" - void SetId( wxWindowID id ) { m_windowId = id; } + // 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; } + // 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 // --------------- @@ -177,7 +260,7 @@ public: { DoSetSize(x, y, width, height, sizeFlags); } void SetSize( int width, int height ) - { DoSetSize( -1, -1, width, height, wxSIZE_USE_EXISTING ); } + { DoSetSize( wxDefaultCoord, wxDefaultCoord, width, height, wxSIZE_USE_EXISTING ); } void SetSize( const wxSize& size ) { SetSize( size.x, size.y); } @@ -185,11 +268,13 @@ public: void SetSize(const wxRect& rect, int sizeFlags = wxSIZE_AUTO) { DoSetSize(rect.x, rect.y, rect.width, rect.height, sizeFlags); } - void Move( int x, int y ) - { DoSetSize( x, y, -1, -1, wxSIZE_USE_EXISTING ); } + void Move(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 Move(const wxPoint& pt) - { Move(pt.x, pt.y); } + void SetPosition(const wxPoint& pt) { Move(pt); } // Z-order virtual void Raise() = 0; @@ -205,16 +290,30 @@ public: void SetClientSize(const wxRect& rect) { SetClientSize( rect.width, rect.height ); } - // get the window position and/or size (pointers may be NULL) + // 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 w, h; - DoGetPosition(&w, &h); + 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(w, h); + 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 { @@ -223,79 +322,400 @@ public: 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); + 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 + wxRect GetScreenRect() const { - int w, h; - DoGetClientSize(& w, & h); + int x, y, w, h; + GetScreenPosition(&x, &y); + GetSize(&w, &h); - return wxSize(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; } - // centre with respect to the the parent window - void Centre( int direction = wxHORIZONTAL ); - void Center( int direction = wxHORIZONTAL ) { Centre(direction); } + 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 min/max size of the window + // 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 = -1, int maxH = -1, - int incW = -1, int incH = -1 ); + 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 + // 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); } + 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(); + } - // returns TRUE if window was enabled/disabled, FALSE if nothing done - virtual bool Enable( bool enable = TRUE ); - bool Disable() { return Enable(FALSE); } + virtual bool HideWithEffect(wxShowEffect WXUNUSED(effect), + unsigned WXUNUSED(timeout) = 0) + { + return Hide(); + } - bool IsShown() const { return m_isShown; } - bool IsEnabled() const { return m_isEnabled; } + // 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) synonims + // 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); - virtual bool IsRetained() const - { return (m_windowStyle & wxRETAINED) != 0; } + // 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); + virtual void MakeModal(bool modal = true); - // focus handling - // -------------- + + // (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() /* = 0: implement in derived classes */; + 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); } - // can this window have focus? - virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); } // parent/children relations // ------------------------- @@ -304,28 +724,51 @@ public: 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? - bool IsTopLevel() const { return m_parent != 0; } + virtual bool IsTopLevel() const; - // it doesn't really change parent, use ReParent() instead + // 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) + // change the real parent of this window, return true if the parent + // was changed, false otherwise (error or newParent == oldParent) virtual bool Reparent( wxWindowBase *newParent ); - // find window among the descendants of this one either by id or by - // name (return NULL if not found) - wxWindow *FindWindow( long id ); - wxWindow *FindWindow( const wxString& name ); - // implementation mostly virtual void AddChild( wxWindowBase *child ); virtual void RemoveChild( wxWindowBase *child ); + // 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 // ------------------- @@ -334,41 +777,88 @@ public: // replace the event handler (allows to completely subclass the // window) - void SetEventHandler( wxEvtHandler *handler ) { m_eventHandler = handler; } + 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 ); + 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: - // validators and client data - // -------------------------- + // 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 - // each window may have associated client data: either a pointer to - // wxClientData object in which case it is managed by the window (i.e. - // it will delete the data when it's destroyed) or an untyped pointer - // which won't be deleted by the window - virtual void SetClientObject( wxClientData *data ) - { - if ( m_clientObject ) - delete m_clientObject; - - m_clientObject = data; - } - virtual wxClientData *GetClientObject() const { return m_clientObject; } - - virtual void SetClientData( void *data ) { m_clientData = data; } - virtual void *GetClientData() const { return m_clientData; } // dialog oriented functions // ------------------------- - // validate the correctness of input, return TRUE if ok + // validate the correctness of input, return true if ok virtual bool Validate(); // transfer data between internal and GUI representations @@ -377,6 +867,7 @@ public: virtual void InitDialog(); +#if wxUSE_ACCEL // accelerators // ------------ virtual void SetAcceleratorTable( const wxAcceleratorTable& accel ) @@ -384,19 +875,30 @@ public: 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 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 ) + wxSize ConvertDialogToPixels( const wxSize& sz ) const { wxPoint pt(ConvertDialogToPixels(wxPoint(sz.x, sz.y))); @@ -409,60 +911,155 @@ public: // move the mouse to the specified position virtual void WarpPointer(int x, int y) = 0; - // start or end mouse capture - virtual void CaptureMouse() = 0; - virtual void ReleaseMouse() = 0; + // 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, + virtual void Refresh( bool eraseBackground = true, const wxRect *rect = (const wxRect *) NULL ) = 0; - // clear the window entirely - virtual void Clear() = 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 &dc ) { } + 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 - bool IsExposed( int x, int y ) const; - bool IsExposed( int x, int y, int w, int h ) const; + 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 IsExposed(pt.x, pt.y); } + { return DoIsExposed(pt.x, pt.y); } bool IsExposed( const wxRect& rect ) const - { return IsExposed(rect.x, rect.y, rect.width, rect.height); } + { 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): Set functions return TRUE if colour was changed - virtual bool SetBackgroundColour( const wxColour &colour ); - virtual bool SetForegroundColour( const wxColour &colour ); + // 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; } - wxColour GetBackgroundColour() const { return m_backgroundColour; } - wxColour GetForegroundColour() const { return m_foregroundColour; } + // 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 cursor for this window (SetCursor() returns TRUE + // 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; } - wxCursor& GetCursor() { return m_cursor; } - // set/retrieve the font for the window (SetFont() returns TRUE if the - // font really changed) - virtual bool SetFont( const wxFont &font ) = 0; - const wxFont& GetFont() const { return m_font; } - wxFont& GetFont() { return m_font; } +#if wxUSE_CARET + // associate a caret with the window + void SetCaret(wxCaret *caret); + // get the current caret (may be NULL) + wxCaret *GetCaret() const { return m_caret; } +#endif // wxUSE_CARET // get the (average) character size for the current font virtual int GetCharHeight() const = 0; @@ -470,52 +1067,199 @@ public: // 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; + 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) - virtual void ClientToScreen( int *x, int *y ) const = 0; - virtual void ScreenToClient( int *x, int *y ) const = 0; + 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 // ---- - void UpdateWindowUI(); + // 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; } - virtual bool PopupMenu( wxMenu *menu, int x, int y ) = 0; // 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 thumbvisible, int range, - bool refresh = TRUE ) = 0; - virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE ) = 0; + 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; + 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 + // 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; } -#endif // wxUSE_TOOLTIPS + 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 // ------------- @@ -524,6 +1268,16 @@ public: // 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 @@ -533,15 +1287,6 @@ public: void SetConstraints( wxLayoutConstraints *constraints ); wxLayoutConstraints *GetConstraints() const { return m_constraints; } - // when using constraints, it makes sense to update children positions - // automatically whenever the window is resized - this is done if - // autoLayout is on - void SetAutoLayout( bool autoLayout ) { m_autoLayout = autoLayout; } - bool GetAutoLayout() const { return m_autoLayout; } - - // do layout the window and its children - virtual bool Layout(); - // implementation only void UnsetConstraints(wxLayoutConstraints *c); wxWindowList *GetConstraintsInvolvedIn() const @@ -551,42 +1296,61 @@ public: void DeleteRelatedConstraints(); void ResetConstraints(); - // these methods may be overriden for special layout algorithms - virtual void SetConstraintSizes(bool recurse = TRUE); + // 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); + virtual bool DoPhase(int phase); // these methods are virtual but normally won't be overridden - virtual void TransformSizerToActual(int *x, int *y) const ; virtual void SetSizeConstraint(int x, int y, int w, int h); virtual void MoveConstraint(int x, int y); virtual void GetSizeConstraint(int *w, int *h) const ; virtual void GetClientSizeConstraint(int *w, int *h) const ; virtual void GetPositionConstraint(int *x, int *y) const ; +#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 - // TODO: what are they and how do they work?? - void SetSizer( wxSizer *sizer ); - wxSizer *GetSizer() const { return m_windowSizer; } + void SetSizer(wxSizer *sizer, bool deleteOld = true ); + void SetSizerAndFit( wxSizer *sizer, bool deleteOld = true ); - void SetSizerParent( wxWindowBase *win ) { m_sizerParent = win; } - wxWindowBase *GetSizerParent() const { return m_sizerParent; } + wxSizer *GetSizer() const { return m_windowSizer; } - virtual void SizerSetSize(int x, int y, int w, int h); - virtual void SizerMove(int x, int y); -#endif // wxUSE_CONSTRAINTS + // Track if this window is a member of a sizer + void SetContainingSizer(wxSizer* sizer); + wxSizer *GetContainingSizer() const { return m_containingSizer; } - // backward compatibility + // accessibility // ---------------------- -#if WXWIN_COMPATIBILITY - bool Enabled() const { return IsEnabled(); } +#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; } - void SetButtonFont(const wxFont& font) { SetFont(font); } - void SetLabelFont(const wxFont& font) { SetFont(font); } - wxFont& GetLabelFont() { return GetFont(); }; - wxFont& GetButtonFont() { return GetFont(); }; -#endif // WXWIN_COMPATIBILITY // implementation // -------------- @@ -594,16 +1358,132 @@ public: // event handlers void OnSysColourChanged( wxSysColourChangedEvent& event ); void OnInitDialog( wxInitDialogEvent &event ); - - // accessors - WXWidget GetHandle() const { return m_widget; } + 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: - // the window handle (for the underlying windowing system) and the window - // id - a number which uniquely identifies a window among its siblings - // unless it is -1 - WXWidget m_widget; - wxWindowID m_windowId; + // 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 @@ -611,15 +1491,20 @@ protected: wxWindowList m_children; // the minimal allowed size for the window (no minimal size if variable(s) - // contain(s) -1) - int m_minWidth, m_minHeight, m_maxWidth, m_maxHeight; + // 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; @@ -627,21 +1512,22 @@ protected: // visual window attributes wxCursor m_cursor; - wxFont m_font; - wxColour m_backgroundColour, m_foregroundColour; + 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; - - // user data associated with the window: either an object which will be - // deleted by the window when it's deleted or some raw pointer which we do - // nothing with - wxClientData *m_clientObject; - void *m_clientData; +#endif // wxUSE_ACCEL // the tooltip for this window (may be NULL) #if wxUSE_TOOLTIPS @@ -655,34 +1541,77 @@ protected: // constraints this window is involved in wxWindowList *m_constraintsInvolvedIn; +#endif // wxUSE_CONSTRAINTS - // top level and the parent sizers - // TODO what's this and how does it work?) + // this window's sizer wxSizer *m_windowSizer; - wxWindowBase *m_sizerParent; + + // The sizer this window is a member of, if any + wxSizer *m_containingSizer; // Layout() window automatically when its size changes? bool m_autoLayout:1; -#endif // wxUSE_CONSTRAINTS // window state bool m_isShown:1; bool m_isEnabled:1; bool m_isBeingDeleted:1; + // 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; + 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 -protected: - // common part of all ctors: it is not virtual because it is called from - // ctor - void InitBase(); - // get the default size for the new window if no explicit size given - // FIXME why 20 and not 30, 10 or ...? - static int WidthDefault(int w) { return w == -1 ? 20 : w; } - static int HeightDefault(int h) { return h == -1 ? 20 : h; } // more pure virtual functions // --------------------------- @@ -696,12 +1625,40 @@ protected: // overloaded Something()s in terms of DoSomething() which will be the // only one to be virtual. - // retrieve the position/size of the window - virtual void DoGetPosition( int *x, int *y ) const = 0; - virtual void DoGetSize( int *width, int *height ) const = 0; - virtual void DoGetClientSize( int *width, int *height ) const = 0; + // 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; - // this is the virtual function to be overriden in any derived class which + // 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, @@ -711,48 +1668,337 @@ protected: // 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: - // contains the last id generated by NewControlId - static int ms_lastControlId; + // 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 // ---------------------------------------------------------------------------- -#if defined(__WXMSW__) +// 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" #elif defined(__WXMOTIF__) #include "wx/motif/window.h" -#elif defined(__WXGTK__) +#elif defined(__WXGTK20__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowGTK + #else // !wxUniv + #define wxWindowGTK wxWindow + #endif // wxUniv #include "wx/gtk/window.h" -#elif defined(__WXQT__) - #include "wx/qt/window.h" +#elif defined(__WXGTK__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowGTK + #else // !wxUniv + #define wxWindowGTK wxWindow + #endif // wxUniv + #include "wx/gtk1/window.h" +#elif defined(__WXX11__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowX11 + #else // !wxUniv + #define wxWindowX11 wxWindow + #endif // wxUniv + #include "wx/x11/window.h" +#elif defined(__WXMGL__) + #define wxWindowNative wxWindowMGL + #include "wx/mgl/window.h" +#elif defined(__WXDFB__) + #define wxWindowNative wxWindowDFB + #include "wx/dfb/window.h" #elif defined(__WXMAC__) - #include "wx/mac/window.h" + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowMac + #else // !wxUniv + #define wxWindowMac wxWindow + #endif // wxUniv + #include "wx/osx/window.h" +#elif defined(__WXCOCOA__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowCocoa + #else // !wxUniv + #define wxWindowCocoa wxWindow + #endif // wxUniv + #include "wx/cocoa/window.h" +#elif defined(__WXPM__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowOS2 + #else // !wxUniv + #define wxWindowOS2 wxWindow + #endif // wxUniv/!wxUniv + #include "wx/os2/window.h" #endif +// for wxUniversal, we now derive the real wxWindow from wxWindow, +// for the native ports we already have defined it above +#if defined(__WXUNIVERSAL__) + #ifndef wxWindowNative + #error "wxWindowNative must be defined above!" + #endif + + #include "wx/univ/window.h" +#endif // wxUniv + // ---------------------------------------------------------------------------- // inline functions which couldn't be declared in the class body because of // forward dependencies // ---------------------------------------------------------------------------- -wxWindow *wxWindowBase::GetGrandParent() const +inline wxWindow *wxWindowBase::GetGrandParent() const { - return m_parent ? m_parent->GetParent() : (wxWindow *)NULL; + return m_parent ? m_parent->GetParent() : NULL; } // ---------------------------------------------------------------------------- -// global function +// global functions // ---------------------------------------------------------------------------- -extern wxWindow* WXDLLEXPORT wxGetActiveWindow(); +// Find the wxWindow at the current mouse position, also returning the mouse +// position. +extern WXDLLIMPEXP_CORE wxWindow* wxFindWindowAtPointer(wxPoint& pt); -#endif - // _WX_WINDOW_H_BASE_ +// Get the current mouse position. +extern WXDLLIMPEXP_CORE wxPoint wxGetMousePosition(); + +// get the currently active window of this application or NULL +extern WXDLLIMPEXP_CORE wxWindow *wxGetActiveWindow(); + +// get the (first) top level parent window +WXDLLIMPEXP_CORE wxWindow* wxGetTopLevelParent(wxWindow *win); + +#if WXWIN_COMPATIBILITY_2_6 + // deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId() + wxDEPRECATED( wxWindowID NewControlId() ); + inline wxWindowID NewControlId() { return wxWindowBase::NewControlId(); } +#endif // WXWIN_COMPATIBILITY_2_6 + +#if wxUSE_ACCESSIBILITY +// ---------------------------------------------------------------------------- +// accessible object for windows +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_CORE wxWindowAccessible: public wxAccessible +{ +public: + wxWindowAccessible(wxWindow* win): wxAccessible(win) { if (win) win->SetAccessible(this); } + virtual ~wxWindowAccessible() {} + +// Overridables + + // Can return either a child object, or an integer + // representing the child element, starting from 1. + virtual wxAccStatus HitTest(const wxPoint& pt, int* childId, wxAccessible** childObject); + + // Returns the rectangle for this object (id = 0) or a child element (id > 0). + virtual wxAccStatus GetLocation(wxRect& rect, int elementId); + + // Navigates from fromId to toId/toObject. + virtual wxAccStatus Navigate(wxNavDir navDir, int fromId, + int* toId, wxAccessible** toObject); + + // Gets the name of the specified object. + virtual wxAccStatus GetName(int childId, wxString* name); + + // Gets the number of children. + virtual wxAccStatus GetChildCount(int* childCount); + + // Gets the specified child (starting from 1). + // If *child is NULL and return value is wxACC_OK, + // this means that the child is a simple element and + // not an accessible object. + virtual wxAccStatus GetChild(int childId, wxAccessible** child); + + // Gets the parent, or NULL. + virtual wxAccStatus GetParent(wxAccessible** parent); + + // Performs the default action. childId is 0 (the action for this object) + // or > 0 (the action for a child). + // Return wxACC_NOT_SUPPORTED if there is no default action for this + // window (e.g. an edit control). + virtual wxAccStatus DoDefaultAction(int childId); + + // Gets the default action for this object (0) or > 0 (the action for a child). + // Return wxACC_OK even if there is no action. actionName is the action, or the empty + // string if there is no action. + // The retrieved string describes the action that is performed on an object, + // not what the object does as a result. For example, a toolbar button that prints + // a document has a default action of "Press" rather than "Prints the current document." + virtual wxAccStatus GetDefaultAction(int childId, wxString* actionName); + + // Returns the description for this object or a child. + virtual wxAccStatus GetDescription(int childId, wxString* description); + + // Returns help text for this object or a child, similar to tooltip text. + virtual wxAccStatus GetHelpText(int childId, wxString* helpText); + + // Returns the keyboard shortcut for this object or child. + // Return e.g. ALT+K + virtual wxAccStatus GetKeyboardShortcut(int childId, wxString* shortcut); + + // Returns a role constant. + virtual wxAccStatus GetRole(int childId, wxAccRole* role); + + // Returns a state constant. + virtual wxAccStatus GetState(int childId, long* state); + + // Returns a localized string representing the value for the object + // or child. + virtual wxAccStatus GetValue(int childId, wxString* strValue); + + // Selects the object or child. + virtual wxAccStatus Select(int childId, wxAccSelectionFlags selectFlags); + + // Gets the window with the keyboard focus. + // If childId is 0 and child is NULL, no object in + // this subhierarchy has the focus. + // If this object has the focus, child should be 'this'. + virtual wxAccStatus GetFocus(int* childId, wxAccessible** child); + +#if wxUSE_VARIANT + // Gets a variant representing the selected children + // of this object. + // Acceptable values: + // - a null variant (IsNull() returns true) + // - a list variant (GetType() == wxT("list") + // - an integer representing the selected child element, + // or 0 if this object is selected (GetType() == wxT("long") + // - a "void*" pointer to a wxAccessible child object + virtual wxAccStatus GetSelections(wxVariant* selections); +#endif // wxUSE_VARIANT +}; + +#endif // wxUSE_ACCESSIBILITY + + +#endif // _WX_WINDOW_H_BASE_