X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b43503410cca7a172652697e4b3dd60e55bd6f79..f6669958924c3c3833e2932b65598b06073d2e65:/include/wx/window.h diff --git a/include/wx/window.h b/include/wx/window.h index c545e576a0..443f0366e7 100644 --- a/include/wx/window.h +++ b/include/wx/window.h @@ -49,26 +49,37 @@ #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 WXDLLEXPORT wxCaret; -class WXDLLEXPORT wxControl; -class WXDLLEXPORT wxCursor; -class WXDLLEXPORT wxDC; -class WXDLLEXPORT wxDropTarget; -class WXDLLEXPORT wxItemResource; -class WXDLLEXPORT wxLayoutConstraints; -class WXDLLEXPORT wxResourceTable; -class WXDLLEXPORT wxSizer; -class WXDLLEXPORT wxToolTip; -class WXDLLEXPORT wxWindowBase; -class WXDLLEXPORT wxWindow; -class WXDLLEXPORT wxScrollHelper; +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 WXDLLEXPORT wxAccessible; +class WXDLLIMPEXP_FWD_CORE wxAccessible; #endif // ---------------------------------------------------------------------------- @@ -76,7 +87,7 @@ class WXDLLEXPORT wxAccessible; // ---------------------------------------------------------------------------- // struct containing all the visual attributes of a control -struct WXDLLEXPORT wxVisualAttributes +struct WXDLLIMPEXP_CORE wxVisualAttributes { // the font used for control label/text inside it wxFont font; @@ -104,18 +115,43 @@ enum wxWindowVariant #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 WXDLLEXPORT); +WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLIMPEXP_CORE); // ---------------------------------------------------------------------------- // global variables // ---------------------------------------------------------------------------- -extern WXDLLEXPORT_DATA(wxWindowList) wxTopLevelWindows; -extern WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete; +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 @@ -128,7 +164,7 @@ extern WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete; // temporarily switches event handlers). // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxWindowBase : public wxEvtHandler +class WXDLLIMPEXP_CORE wxWindowBase : public wxEvtHandler { public: // creating the window @@ -138,15 +174,6 @@ public: // Create() wxWindowBase() ; - // pseudo ctor (can't be virtual, called from ctor) - bool CreateBase(wxWindowBase *parent, - wxWindowID winid, - const wxPoint& pos = wxDefaultPosition, - const wxSize& size = wxDefaultSize, - long style = 0, - const wxValidator& validator = wxDefaultValidator, - const wxString& name = wxPanelNameStr); - virtual ~wxWindowBase(); // deleting the window @@ -166,7 +193,7 @@ public: bool DestroyChildren(); // is the window being deleted? - bool IsBeingDeleted() const { return m_isBeingDeleted; } + bool IsBeingDeleted() const; // window attributes // ----------------- @@ -188,11 +215,6 @@ public: wxWindowVariant GetWindowVariant() const { return m_windowVariant; } - // window id uniquely identifies the window among its siblings unless - // it is wxID_ANY which means "don't care" - void SetId( wxWindowID winid ) { m_windowId = winid; } - wxWindowID GetId() const { return m_windowId; } - // 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 @@ -206,15 +228,28 @@ public: wxCoord width, wxCoord widthTotal) const; - // generate a control id for the controls which were not given one by - // user - static int NewControlId() { return --ms_lastControlId; } - // get the id of the control following the one with the given - // (autogenerated) id - static int NextControlId(int winid) { return winid - 1; } - // get the id of the control preceding the one with the given - // (autogenerated) id - static int PrevControlId(int winid) { return winid + 1; } + + // 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 // --------------- @@ -326,15 +361,15 @@ public: 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 - { - if (m_bestSizeCache.IsFullySpecified()) - return m_bestSizeCache; - return DoGetBestSize(); - } + wxSize GetBestSize() const; + void GetBestSize(int *w, int *h) const { wxSize s = GetBestSize(); @@ -344,6 +379,13 @@ public: *h = s.y; } + // Determine the best size in the other direction if one of them is + // fixed. This is used with windows that can wrap their contents and + // returns input-independent best size for the others. + int GetBestHeight(int width) const; + int GetBestWidth(int height) const; + + void SetScrollHelper( wxScrollHelper *sh ) { m_scrollHelper = sh; } wxScrollHelper *GetScrollHelper() { return m_scrollHelper; } @@ -353,25 +395,19 @@ public: void CacheBestSize(const wxSize& size) const { wxConstCast(this, wxWindowBase)->m_bestSizeCache = size; } - // There are times (and windows) where 'Best' size and 'Min' size - // are vastly out of sync. This should be remedied somehow, but in - // the meantime, this method will return the larger of BestSize - // (the window's smallest legible size), and any user specified - // MinSize hint. - wxSize GetAdjustedBestSize() const - { - wxSize s( GetBestSize() ); - return wxSize( wxMax( s.x, GetMinWidth() ), wxMax( s.y, GetMinHeight() ) ); - } // This function will merge the window's best size into the window's // minimum size, giving priority to the min size components, and // returns the results. - wxSize GetBestFittingSize() const; + 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 SetBestFittingSize(const wxSize& size=wxDefaultSize); + 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 @@ -379,7 +415,7 @@ public: void Centre(int dir = wxBOTH) { DoCentre(dir); } void Center(int dir = wxBOTH) { DoCentre(dir); } - // centre with respect to the the parent window + // centre with respect to the parent window void CentreOnParent(int dir = wxBOTH) { DoCentre(dir); } void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); } @@ -390,9 +426,12 @@ public: virtual void FitInside(); - // Methods for setting size hints. This is only used - // for toplevel windows. - + // 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 ) @@ -403,41 +442,52 @@ public: const wxSize& incSize=wxDefaultSize) { DoSetSizeHints(minSize.x, minSize.y, maxSize.x, maxSize.y, incSize.x, incSize.y); } - virtual void DoSetSizeHints( int WXUNUSED(minW), int WXUNUSED(minH), - int WXUNUSED(maxW), int WXUNUSED(maxH), - int WXUNUSED(incW), int WXUNUSED(incH) ) - { - } - // Methods for setting virtual size hints - // FIXME: What are virtual size hints? +#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 - virtual void SetVirtualSizeHints( int minW, int minH, - int maxW = wxDefaultCoord, int maxH = wxDefaultCoord ); - void SetVirtualSizeHints( const wxSize& minSize, - const wxSize& maxSize=wxDefaultSize) - { - SetVirtualSizeHints(minSize.x, minSize.y, maxSize.x, maxSize.y); - } - int GetMinWidth() const { return GetMinSize().x; } - int GetMinHeight() const { return GetMinSize().y; } - int GetMaxWidth() const { return GetMaxSize().x; } - int GetMaxHeight() const { return GetMaxSize().y; } + // 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); - // Override these methods to impose restrictions on min/max size + // 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); } - void SetMinSize(const wxSize& minSize) { m_minWidth = minSize.x; m_minHeight = minSize.y; } - void SetMaxSize(const wxSize& maxSize) { m_maxWidth = maxSize.x; m_maxHeight = maxSize.y; } + // 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 is the case. + // 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 ); } @@ -471,6 +521,41 @@ public: 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 // ------------ @@ -479,12 +564,43 @@ public: 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; } - virtual bool IsEnabled() const { return m_isEnabled; } + // 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 @@ -495,21 +611,29 @@ public: 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); + // extra style: the less often used style bits which can't be set with // SetWindowStyleFlag() virtual void SetExtraStyle(long exStyle) { m_exStyle = exStyle; } long GetExtraStyle() const { return m_exStyle; } - // make the window modal (all other windows unresponsive) - virtual void MakeModal(bool modal = true); + bool HasExtraStyle(int exFlag) const { return (m_exStyle & exFlag) != 0; } +#if WXWIN_COMPATIBILITY_2_8 + // make the window modal (all other windows unresponsive) + wxDEPRECATED( virtual void MakeModal(bool modal = true) ); +#endif // (primitive) theming support // --------------------------- @@ -532,23 +656,73 @@ public: static wxWindow *DoFindFocus() /* = 0: implement in derived classes */; - // can this window have focus? - virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); } + // 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(); } - // navigates in the specified direction by sending a wxNavigationKeyEvent - virtual bool Navigate(int flags = wxNavigationKeyEvent::IsForward); + + // 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, MoveBefore); } + { DoMoveInTabOrder(win, OrderBefore); } void MoveAfterInTabOrder(wxWindow *win) - { DoMoveInTabOrder(win, MoveAfter); } + { DoMoveInTabOrder(win, OrderAfter); } // parent/children relations @@ -561,6 +735,11 @@ public: // 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; @@ -568,8 +747,12 @@ public: // is this window a top level one? virtual bool IsTopLevel() const; + // is this window a child or grand child of this one (inside the same + // TLW)? + bool IsDescendant(wxWindowBase* win) const; + // it doesn't really change parent, use Reparent() instead - void SetParent( wxWindowBase *parent ) { m_parent = (wxWindow *)parent; } + void SetParent( wxWindowBase *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 ); @@ -578,6 +761,11 @@ public: 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 // ------------------- @@ -601,7 +789,7 @@ 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 @@ -615,6 +803,59 @@ public: // 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 // ---------- @@ -660,16 +901,16 @@ public: // 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))); @@ -717,13 +958,13 @@ public: virtual void ClearBackground(); // freeze the window: don't redraw it until it is thawed - virtual void Freeze() { } + void Freeze(); // thaw the window: redraw it after it had been frozen - virtual void Thaw() { } + void Thaw(); // return true if window had been frozen and not unthawed yet - virtual bool IsFrozen() const { return false; } + bool IsFrozen() const { return m_freezeCount != 0; } // adjust DC for drawing on this window virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { } @@ -800,15 +1041,22 @@ public: wxColour GetForegroundColour() const; // Set/get the background style. - // Pass one of wxBG_STYLE_SYSTEM, wxBG_STYLE_COLOUR, wxBG_STYLE_CUSTOM - virtual bool SetBackgroundStyle(wxBackgroundStyle style) { m_backgroundStyle = style; return true; } - virtual wxBackgroundStyle GetBackgroundStyle() const { return m_backgroundStyle; } + virtual bool SetBackgroundStyle(wxBackgroundStyle style); + 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; } + // Returns true if background transparency is supported for this + // window, i.e. if calling SetBackgroundStyle(wxBG_STYLE_TRANSPARENT) + // has a chance of succeeding. If reason argument is non-NULL, returns a + // user-readable explanation of why it isn't supported if the return + // value is false. + virtual bool IsTransparentBackgroundSupported(wxString* reason = NULL) const; + // set/retrieve the font for the window (SetFont() returns true if the // font really changed) virtual bool SetFont(const wxFont& font) = 0; @@ -837,12 +1085,21 @@ 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 // ------------------------ @@ -895,10 +1152,19 @@ public: 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 DoPopupMenu(menu, pos.x, pos.y); } - bool PopupMenu(wxMenu *menu, int x, int y) - { return DoPopupMenu(menu, x, y); } + { 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 @@ -908,13 +1174,16 @@ public: // scrollbars // ---------- - // does the window have the scrollbar for this orientation? - bool HasScrollbar(int orient) const + // 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, @@ -928,7 +1197,7 @@ public: // 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 // @@ -942,6 +1211,20 @@ public: 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 // ---------------------- @@ -950,9 +1233,13 @@ public: #if wxUSE_HELP // associate this help text with this window void SetHelpText(const wxString& text); - // associate this help text with all windows with the same id as this - // one - void SetHelpTextForId(const wxString& text); + +#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 @@ -977,16 +1264,29 @@ public: #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; } - wxString GetToolTipText() const ; -#else + wxString GetToolTipText() const; + + // Use the same tool tip as the given one (which can be NULL to indicate + // that no tooltip should be used) for this window. This is currently only + // used by wxCompositeWindow::DoSetToolTip() implementation and is not part + // of the public wx API. + // + // Returns true if tip was valid and we copied it or false if it was NULL + // and we reset our own tooltip too. + bool CopyToolTip(wxToolTip *tip); +#else // !wxUSE_TOOLTIPS // make it much easier to compile apps in an environment // that doesn't support tooltips, such as PocketPC - inline void SetToolTip( const wxString & WXUNUSED(tip) ) {} -#endif // wxUSE_TOOLTIPS + void SetToolTip(const wxString & WXUNUSED(tip)) { } + void UnsetToolTip() { } +#endif // wxUSE_TOOLTIPS/!wxUSE_TOOLTIPS // drag and drop // ------------- @@ -995,6 +1295,16 @@ 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 @@ -1057,7 +1367,7 @@ public: void SetAccessible(wxAccessible* accessible) ; // Returns the accessible object. - wxAccessible* GetAccessible() { return m_accessible; }; + wxAccessible* GetAccessible() { return m_accessible; } // Returns the accessible object, creating if necessary. wxAccessible* GetOrCreateAccessible() ; @@ -1082,10 +1392,11 @@ public: // virtual function for implementing internal idle // behaviour - virtual void OnInternalIdle() {} + virtual void OnInternalIdle(); - // call internal idle recursively -// void ProcessInternalIdle() ; + // 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 @@ -1124,36 +1435,91 @@ public: // 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; } + + // If this function returns true, keyboard navigation events shouldn't + // escape from it. A typical example of such "navigation domain" is a top + // level window because pressing TAB in one of them must not transfer focus + // to a different top level window. But it's not limited to them, e.g. MDI + // children frames are not top level windows (and their IsTopLevel() + // returns false) but still are self-contained navigation domains as well. + virtual bool IsTopNavigationDomain() const { return false; } + + 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 TryValidator(wxEvent& event); - virtual bool TryParent(wxEvent& event); + virtual bool TryBefore(wxEvent& event); + virtual bool TryAfter(wxEvent& event); - // common part of MoveBefore/AfterInTabOrder() - enum MoveKind + enum WindowOrder { - MoveBefore, // insert before the given window - MoveAfter // insert after the given window + OrderBefore, // insert before the given window + OrderAfter // insert after the given window }; - virtual void DoMoveInTabOrder(wxWindow *win, MoveKind move); + + // 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 + // Send the wxWindowDestroyEvent if not done yet and sets m_isBeingDeleted + // to true void SendDestroyEvent(); - // 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; } + // 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 - wxWindowID m_windowId; + wxWindowIDRef m_windowId; // the parent window of this window (or NULL) and the list of the children // of this window @@ -1257,17 +1623,17 @@ protected: wxScrollHelper *m_scrollHelper; - int m_minVirtualWidth; // VirtualSizeHints - int m_minVirtualHeight; - int m_maxVirtualWidth; - int m_maxVirtualHeight; - 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; } @@ -1278,18 +1644,8 @@ protected: // recalculated each time the value is needed. wxSize m_bestSizeCache; - // keep the old name for compatibility, at least until all the internal - // usages of it are changed to SetBestFittingSize - void SetBestSize(const wxSize& size) { SetBestFittingSize(size); } - - // set the initial window size if none is given (i.e. at least one of the - // components of the size passed to ctor/Create() is wxDefaultCoord) - // - // normally just calls SetBestSize() for controls, but can be overridden - // not to do it for the controls which have to do some additional - // initialization (e.g. add strings to list box) before their best size - // can be accurately calculated - virtual void SetInitialBestSize(const wxSize& WXUNUSED(size)) {} + wxDEPRECATED( void SetBestSize(const wxSize& size) ); // use SetInitialSize + wxDEPRECATED( virtual void SetInitialBestSize(const wxSize& size) ); // use SetInitialSize @@ -1305,6 +1661,13 @@ protected: // 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; @@ -1326,15 +1689,20 @@ protected: // same size as it would have after a call to Fit() virtual wxSize DoGetBestSize() const; - // called from DoGetBestSize() to convert best virtual size (returned by - // the window sizer) to the best size for the window itself; this is - // overridden at wxScrolledWindow level to clump down virtual size to real - virtual wxSize GetWindowSizeForVirtualSize(const wxSize& size) const - { - return size; - } + // 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; } + + // These two methods can be overridden to implement intelligent + // width-for-height and/or height-for-width best size determination for the + // window. By default the fixed best size is used. + virtual int DoGetBestClientHeight(int WXUNUSED(width)) const + { return wxDefaultCoord; } + virtual int DoGetBestClientWidth(int WXUNUSED(height)) const + { return wxDefaultCoord; } - // this is the virtual function to be overriden in any derived class which + // 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, @@ -1344,6 +1712,19 @@ 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 @@ -1376,39 +1757,88 @@ protected: // 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 WXDLLEXPORT wxWindowNext *ms_winCaptureNext; + 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) - DECLARE_NO_COPY_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__) +#if defined(__WXMSW__) #ifdef __WXUNIVERSAL__ #define wxWindowNative wxWindowMSW #else // !wxUniv @@ -1438,9 +1868,6 @@ private: #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" @@ -1450,7 +1877,7 @@ private: #else // !wxUniv #define wxWindowMac wxWindow #endif // wxUniv - #include "wx/mac/window.h" + #include "wx/osx/window.h" #elif defined(__WXCOCOA__) #ifdef __WXUNIVERSAL__ #define wxWindowNative wxWindowCocoa @@ -1484,7 +1911,7 @@ private: inline wxWindow *wxWindowBase::GetGrandParent() const { - return m_parent ? m_parent->GetParent() : (wxWindow *)NULL; + return m_parent ? m_parent->GetParent() : NULL; } // ---------------------------------------------------------------------------- @@ -1493,21 +1920,21 @@ inline wxWindow *wxWindowBase::GetGrandParent() const // Find the wxWindow at the current mouse position, also returning the mouse // position. -extern WXDLLEXPORT wxWindow* wxFindWindowAtPointer(wxPoint& pt); +extern WXDLLIMPEXP_CORE wxWindow* wxFindWindowAtPointer(wxPoint& pt); // Get the current mouse position. -extern WXDLLEXPORT wxPoint wxGetMousePosition(); +extern WXDLLIMPEXP_CORE wxPoint wxGetMousePosition(); // get the currently active window of this application or NULL -extern WXDLLEXPORT wxWindow *wxGetActiveWindow(); +extern WXDLLIMPEXP_CORE wxWindow *wxGetActiveWindow(); // get the (first) top level parent window -WXDLLEXPORT wxWindow* wxGetTopLevelParent(wxWindow *win); +WXDLLIMPEXP_CORE wxWindow* wxGetTopLevelParent(wxWindow *win); #if WXWIN_COMPATIBILITY_2_6 // deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId() - wxDEPRECATED( int NewControlId() ); - inline int NewControlId() { return wxWindowBase::NewControlId(); } + wxDEPRECATED( wxWindowID NewControlId() ); + inline wxWindowID NewControlId() { return wxWindowBase::NewControlId(); } #endif // WXWIN_COMPATIBILITY_2_6 #if wxUSE_ACCESSIBILITY @@ -1515,7 +1942,7 @@ WXDLLEXPORT wxWindow* wxGetTopLevelParent(wxWindow *win); // accessible object for windows // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxWindowAccessible: public wxAccessible +class WXDLLIMPEXP_CORE wxWindowAccessible: public wxAccessible { public: wxWindowAccessible(wxWindow* win): wxAccessible(win) { if (win) win->SetAccessible(this); }