X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/57c4d796c56bd48ce370240107f3e4c07e142985..271cad4cf73376f27c2071b53e534e7ad51ece82:/include/wx/window.h diff --git a/include/wx/window.h b/include/wx/window.h index 7d11de1b10..662c0e53e0 100644 --- a/include/wx/window.h +++ b/include/wx/window.h @@ -1,8 +1,8 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: window.h +// 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 @@ -12,7 +12,7 @@ #ifndef _WX_WINDOW_H_BASE_ #define _WX_WINDOW_H_BASE_ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "windowbase.h" #endif @@ -30,20 +30,33 @@ #include "wx/region.h" #include "wx/utils.h" -#if wxUSE_VALIDATORS - #include "wx/validate.h" // defines wxDefaultValidator -#endif // wxUSE_VALIDATORS +#include "wx/validate.h" // for wxDefaultValidator (always include it) + +#if wxUSE_PALETTE + #include "wx/palette.h" +#endif // wxUSE_PALETTE #if wxUSE_ACCEL #include "wx/accel.h" #endif // wxUSE_ACCEL +#if wxUSE_ACCESSIBILITY +#include "wx/access.h" +#endif + +// when building wxUniv/Foo we don't want the code for native menu use to be +// compiled in - it should only be used when building real wxFoo +#ifdef __WXUNIVERSAL__ + #define wxUSE_MENUS_NATIVE 0 +#else // __WXMSW__ + #define wxUSE_MENUS_NATIVE wxUSE_MENUS +#endif // __WXUNIVERSAL__/__WXMSW__ + // ---------------------------------------------------------------------------- // forward declarations // ---------------------------------------------------------------------------- class WXDLLEXPORT wxCaret; -class WXDLLEXPORT wxClientData; class WXDLLEXPORT wxControl; class WXDLLEXPORT wxCursor; class WXDLLEXPORT wxDC; @@ -56,42 +69,50 @@ class WXDLLEXPORT wxToolTip; class WXDLLEXPORT wxWindowBase; class WXDLLEXPORT wxWindow; +#if wxUSE_ACCESSIBILITY +class WXDLLEXPORT wxAccessible; +#endif + // ---------------------------------------------------------------------------- -// (pseudo)template list classes +// helper stuff used by wxWindow // ---------------------------------------------------------------------------- -WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode); +// struct containing all the visual attributes of a control +struct WXDLLEXPORT wxVisualAttributes +{ + // the font used for control label/text inside it + wxFont font; -// ---------------------------------------------------------------------------- -// global variables -// ---------------------------------------------------------------------------- + // the foreground colour + wxColour colFg; -WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows; + // the background colour, may be wxNullColour if the controls background + // colour is not solid + wxColour colBg; +}; + +// different window variants, on platforms like eg mac uses different +// rendering sizes +enum wxWindowVariant +{ + wxWINDOW_VARIANT_NORMAL, // Normal size + wxWINDOW_VARIANT_SMALL, // Smaller size (about 25 % smaller than normal) + wxWINDOW_VARIANT_MINI, // Mini size (about 33 % smaller than normal) + wxWINDOW_VARIANT_LARGE, // Large size (about 25 % larger than normal) + wxWINDOW_VARIANT_MAX +}; // ---------------------------------------------------------------------------- -// helper classes used by [SG]etClientObject/Data -// -// TODO move into a separate header? +// (pseudo)template list classes // ---------------------------------------------------------------------------- -class wxClientData -{ -public: - wxClientData() { } - virtual ~wxClientData() { } -}; +WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLEXPORT); -class wxStringClientData : public wxClientData -{ -public: - wxStringClientData() { } - wxStringClientData( const wxString &data ) : m_data(data) { } - void SetData( const wxString &data ) { m_data = data; } - const wxString& GetData() const { return m_data; } +// ---------------------------------------------------------------------------- +// global variables +// ---------------------------------------------------------------------------- -private: - wxString m_data; -}; +WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows; // ---------------------------------------------------------------------------- // wxWindowBase is the base class for all GUI controls/widgets, this is the public @@ -106,56 +127,39 @@ private: class WXDLLEXPORT wxWindowBase : public wxEvtHandler { - DECLARE_ABSTRACT_CLASS(wxWindowBase); - public: // creating the window // ------------------- - // default ctor - wxWindowBase() { InitBase(); } + // default ctor, initializes everything which can be initialized before + // Create() + wxWindowBase() ; // pseudo ctor (can't be virtual, called from ctor) bool CreateBase(wxWindowBase *parent, - wxWindowID id, + wxWindowID winid, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, -#if wxUSE_VALIDATORS -# if defined(__VISAGECPP__) - const wxValidator* validator = wxDefaultValidator, -# else const wxValidator& validator = wxDefaultValidator, -# endif -#endif // wxUSE_VALIDATORS const wxString& name = wxPanelNameStr); virtual ~wxWindowBase(); -#if wxUSE_WX_RESOURCES - // these functions are implemented in resource.cpp and resourc2.cpp - virtual bool LoadFromResource(wxWindow *parent, - const wxString& resourceName, - const wxResourceTable *table = (const wxResourceTable *) NULL); - virtual wxControl *CreateItem(const wxItemResource* childResource, - const wxItemResource* parentResource, - const wxResourceTable *table = (const wxResourceTable *) NULL); -#endif // wxUSE_WX_RESOURCES - // deleting the window // ------------------- - // ask the window to close itself, return TRUE if the event handler + // 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? @@ -164,10 +168,14 @@ public: // window attributes // ----------------- + // NB: in future versions of wxWindows Set/GetTitle() will only work + // with the top level windows (such as dialogs and frames) and + // Set/GetLabel() only with the other ones (i.e. all controls). + // the title (or label, see below) of the window: the text which the // window shows - virtual void SetTitle( const wxString & WXUNUSED(title) ) { } - virtual wxString GetTitle() const { return ""; } + virtual void SetTitle( const wxString& WXUNUSED(title) ) {} + virtual wxString GetTitle() const { return wxEmptyString; } // label is just the same as the title (but for, e.g., buttons it // makes more sense to speak about labels) @@ -179,9 +187,14 @@ public: virtual void SetName( const wxString &name ) { m_windowName = name; } virtual wxString GetName() const { return m_windowName; } + // sets the window variant, calls internally DoSetVariant if variant has changed + void SetWindowVariant( wxWindowVariant variant ) ; + wxWindowVariant GetWindowVariant() const { return m_windowVariant ; } + + // window id uniquely identifies the window among its siblings unless // it is -1 which means "don't care" - void SetId( wxWindowID id ) { m_windowId = id; } + 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 @@ -189,10 +202,10 @@ public: static int NewControlId() { return --ms_lastControlId; } // get the id of the control following the one with the given // (autogenerated) id - static int NextControlId(int id) { return id - 1; } + 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 id) { return id + 1; } + static int PrevControlId(int winid) { return winid + 1; } // moving/resizing // --------------- @@ -211,11 +224,11 @@ 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, -1, -1, flags); } - void Move(const wxPoint& pt) - { Move(pt.x, pt.y); } + void Move(const wxPoint& pt, int flags = wxSIZE_USE_EXISTING) + { Move(pt.x, pt.y, flags); } // Z-order virtual void Raise() = 0; @@ -241,6 +254,8 @@ public: return wxPoint(w, h); } + void SetPosition( const wxPoint& pt ) { Move( pt ) ; } + void GetSize( int *w, int *h ) const { DoGetSize(w, h); } wxSize GetSize() const { @@ -267,36 +282,125 @@ public: return wxSize(w, h); } - // centre with respect to the the parent window + // get the origin of the client area of the window relative to the + // window top left corner (the client area may be shifted because of + // the borders, scrollbars, other decorations...) + virtual wxPoint GetClientAreaOrigin() const; + + // get the client rectangle in window (i.e. client) coordinates + wxRect GetClientRect() const + { + return wxRect(GetClientAreaOrigin(), GetClientSize()); + } + + // get the size best suited for the window (in fact, minimal + // acceptable size using which it will still look "nice") + wxSize GetBestSize() const { return DoGetBestSize(); } + void GetBestSize(int *w, int *h) const + { + wxSize s = DoGetBestSize(); + if ( w ) + *w = s.x; + if ( h ) + *h = s.y; + } + + // 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( DoGetBestSize() ); + return wxSize( wxMax( s.x, GetMinWidth() ), wxMax( s.y, GetMinHeight() ) ); + } + + // the generic centre function - centers the window on parent by` + // default or on screen if it doesn't have parent or + // wxCENTER_ON_SCREEN flag is given void Centre( int direction = wxBOTH ); void Center( int direction = wxBOTH ) { Centre(direction); } - void CentreOnParent( int dir = wxBOTH ) { Centre(dir | wxCENTER_FRAME); } - void CenterOnParent( int dir = wxBOTH ) { Centre(dir | wxCENTER_FRAME); } + + // centre on screen (only works for top level windows) + void CentreOnScreen(int dir = wxBOTH) { Centre(dir | wxCENTER_ON_SCREEN); } + void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); } + + // centre with respect to the the parent window + void CentreOnParent(int dir = wxBOTH) { Centre(dir | wxCENTER_FRAME); } + void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); } // set window size to wrap around its children virtual void Fit(); + // set virtual size to satisfy children + virtual void FitInside(); + // set min/max size of the window virtual void SetSizeHints( int minW, int minH, int maxW = -1, int maxH = -1, int incW = -1, int incH = -1 ); - int GetMinWidth() const { return m_minWidth; } - int GetMinHeight() const { return m_minHeight; } + virtual void SetVirtualSizeHints( int minW, int minH, + int maxW = -1, int maxH = -1 ); + + virtual int GetMinWidth() const { return m_minWidth; } + virtual int GetMinHeight() const { return m_minHeight; } int GetMaxWidth() const { return m_maxWidth; } int GetMaxHeight() const { return m_maxHeight; } + // Override this method to control the values given to Sizers etc. + virtual wxSize GetMaxSize() const { return wxSize( m_maxWidth, m_maxHeight ); } + + // Methods for accessing the virtual size of a window. For most + // windows this is just the client area of the window, but for + // some like scrolled windows it is more or less independent of + // the screen window size. You may override the DoXXXVirtual + // methods below for classes where that is is the case. + + void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); } + void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); } + + wxSize GetVirtualSize() const { return DoGetVirtualSize(); } + void GetVirtualSize( int *x, int *y ) const + { + wxSize s( DoGetVirtualSize() ); + + if( x ) + *x = s.GetWidth(); + if( y ) + *y = s.GetHeight(); + } + + // Override these methods for windows that have a virtual size + // independent of their client size. eg. the virtual area of a + // wxScrolledWindow. Default is to alias VirtualSize to ClientSize. + + virtual void DoSetVirtualSize( int x, int y ); + virtual wxSize DoGetVirtualSize() const; // { return m_virtualSize; } + + // Return the largest of ClientSize and BestSize (as determined + // by a sizer, interior children, or other means) + + virtual wxSize GetBestVirtualSize() const + { + wxSize client( GetClientSize() ); + wxSize best( GetBestSize() ); + + return wxSize( wxMax( client.x, best.x ), wxMax( client.y, best.y ) ); + } + // window state // ------------ - // returns TRUE if window was shown/hidden, FALSE if the nothing was + // 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); } - // returns TRUE if window was enabled/disabled, FALSE if nothing done - virtual bool Enable( bool enable = TRUE ); - bool Disable() { return Enable(FALSE); } + // returns true if window was enabled/disabled, false if nothing done + virtual bool Enable( bool enable = true ); + bool Disable() { return Enable(false); } bool IsShown() const { return m_isShown; } bool IsEnabled() const { return m_isEnabled; } @@ -311,25 +415,66 @@ public: long GetWindowStyle() const { return GetWindowStyleFlag(); } bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; } + virtual bool IsRetained() const { return HasFlag(wxRETAINED); } - 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; } // make the window modal (all other windows unresponsive) - virtual void MakeModal(bool modal = TRUE); + virtual void MakeModal(bool modal = true); - // focus handling - // -------------- + virtual void SetThemeEnabled(bool enableTheme) { m_themeEnabled = enableTheme; } + virtual bool GetThemeEnabled() const { return m_themeEnabled; } + + // Returns true if this class should have the background colour + // changed to match the parent window's theme. For example when a + // page is added to a notebook it and it's children may need to have + // the colours adjusted depending on the current theme settings, but + // not all windows/controls can do this without looking wrong. + virtual void ApplyParentThemeBackground(const wxColour& WXUNUSED(bg)) + { /* do nothing */ } + + // returns true if this window should inherit its parent colours on + // creation + virtual bool ShouldInheritColours() const { return false; } + + + // 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 */; // can this window have focus? virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); } + // can this window be given focus by keyboard navigation? if not, the + // only way to give it focus (provided it accepts it at all) is to + // click it + virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); } + + // NB: these methods really don't belong here but with the current + // class hierarchy there is no other place for them :-( + + // get the default child of this parent, i.e. the one which is + // activated by pressing + virtual wxWindow *GetDefaultItem() const { return NULL; } + + // set this child as default, return the old default + virtual wxWindow *SetDefaultItem(wxWindow * WXUNUSED(child)) + { return NULL; } + + // set this child as temporary default + virtual void SetTmpDefaultItem(wxWindow * WXUNUSED(win)) { } + // parent/children relations // ------------------------- @@ -337,6 +482,9 @@ 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 parent or the parent of the parent wxWindow *GetParent() const { return m_parent; } inline wxWindow *GetGrandParent() const; @@ -346,18 +494,28 @@ public: // 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 ); + // implementation mostly + virtual void AddChild( wxWindowBase *child ); + virtual void RemoveChild( wxWindowBase *child ); + + // looking for windows + // ------------------- + // find window among the descendants of this one either by id or by // name (return NULL if not found) - wxWindow *FindWindow( long id ); + wxWindow *FindWindow( long winid ); wxWindow *FindWindow( const wxString& name ); - // implementation mostly - virtual void AddChild( wxWindowBase *child ); - virtual void RemoveChild( wxWindowBase *child ); + // 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 // ------------------- @@ -372,36 +530,30 @@ public: // 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 ); - // validators and client data - // -------------------------- + // find the given handler in the event handler chain and remove (but + // not delete) it from the event handler chain, return true if it was + // found and false otherwise (this also results in an assert failure so + // this function should only be called when the handler is supposed to + // be there) + bool RemoveEventHandler(wxEvtHandler *handler); + + // validators + // ---------- #if wxUSE_VALIDATORS // a window may have an associated validator which is used to control // user input -# if defined(__VISAGECPP__) - virtual void SetValidator( const wxValidator *validator ); -# else virtual void SetValidator( const wxValidator &validator ); -# endif 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 - but not both of them - void SetClientObject( wxClientData *data ) { DoSetClientObject(data); } - wxClientData *GetClientObject() const { return DoGetClientObject(); } - - void SetClientData( void *data ) { DoSetClientData(data); } - void *GetClientData() const { return DoGetClientData(); } // 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 @@ -417,8 +569,18 @@ public: { m_acceleratorTable = accel; } wxAcceleratorTable *GetAcceleratorTable() { return &m_acceleratorTable; } + #endif // wxUSE_ACCEL +#if wxUSE_HOTKEY + // hot keys (system wide accelerators) + // ----------------------------------- + + virtual bool RegisterHotKey(int hotkeyId, int modifiers, int keycode); + virtual bool UnregisterHotKey(int hotkeyId); +#endif // wxUSE_HOTKEY + + // dialog units translations // ------------------------- @@ -444,19 +606,42 @@ 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) { Refresh(true, &rect); } + + // repaint all invalid areas of the window immediately + virtual void Update() { } + + // clear the window background + virtual void ClearBackground(); + + // freeze the window: don't redraw it until it is thawed + virtual void Freeze() { } + + // thaw the window: redraw it after it had been frozen + virtual void Thaw() { } // adjust DC for drawing on this window virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { } @@ -466,6 +651,9 @@ public: 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; @@ -479,25 +667,40 @@ public: // 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 + // default): Set functions return true if colour was changed virtual bool SetBackgroundColour( const wxColour &colour ); virtual bool SetForegroundColour( const wxColour &colour ); - wxColour GetBackgroundColour() const { return m_backgroundColour; } - wxColour GetForegroundColour() const { return m_foregroundColour; } + wxColour GetBackgroundColour() const; + wxColour GetForegroundColour() const; - // set/retrieve the cursor for this window (SetCursor() returns TRUE + // 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 + // 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; } + const wxFont& GetFont() const { return DoGetFont(); } + wxFont& GetFont() { return DoGetFont(); } #if wxUSE_CARET // associate a caret with the window @@ -519,11 +722,16 @@ public: const wxFont *theFont = (const wxFont *) NULL) const = 0; + // client <-> screen coords + // ------------------------ + // translate to/from screen/client coordinates (pointers may be NULL) void ClientToScreen( int *x, int *y ) const { DoClientToScreen(x, y); } void ScreenToClient( int *x, int *y ) const { DoScreenToClient(x, y); } + + // wxPoint interface to do the same thing wxPoint ClientToScreen(const wxPoint& pt) const { int x = pt.x, y = pt.y; @@ -540,26 +748,54 @@ public: 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 bool PopupMenu( wxMenu *menu, const wxPoint& pos ) { return DoPopupMenu(menu, pos.x, pos.y); } bool PopupMenu( wxMenu *menu, int x, int y ) { return DoPopupMenu(menu, x, y); } +#endif // wxUSE_MENUS // scrollbars // ---------- + // does the window have the scrollbar for this orientation? + bool HasScrollbar(int orient) const + { + return (m_windowStyle & + (orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0; + } + // configure the window scrollbars virtual void SetScrollbar( int orient, int pos, - int thumbVisible, + int 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; @@ -568,8 +804,36 @@ public: virtual void ScrollWindow( int dx, int dy, const wxRect* rect = (wxRect *) NULL ) = 0; + // scrolls window by line/page: note that not all controls support this + // + // return true if the position changed, false otherwise + virtual bool ScrollLines(int WXUNUSED(lines)) { return false; } + virtual bool ScrollPages(int WXUNUSED(pages)) { return false; } + + // convenient wrappers for ScrollLines/Pages + bool LineUp() { return ScrollLines(-1); } + bool LineDown() { return ScrollLines(1); } + bool PageUp() { return ScrollPages(-1); } + bool PageDown() { return ScrollPages(1); } + + // context-sensitive help + // ---------------------- + + // these are the convenience functions wrapping wxHelpProvider methods + +#if wxUSE_HELP + // associate this help text with this window + void SetHelpText(const wxString& text); + // associate this help text with all windows with the same id as this + // one + void SetHelpTextForId(const wxString& text); + // get the help string associated with this window (may be empty) + wxString GetHelpText() const; +#endif // wxUSE_HELP + // tooltips // -------- + #if wxUSE_TOOLTIPS // the easiest way to set a tooltip for a window is to use this method void SetToolTip( const wxString &tip ); @@ -577,6 +841,7 @@ public: void SetToolTip( wxToolTip *tip ) { DoSetToolTip(tip); } // get the associated tooltip or NULL if none wxToolTip* GetToolTip() const { return m_tooltip; } + wxString GetToolTipText() const ; #endif // wxUSE_TOOLTIPS // drag and drop @@ -595,15 +860,6 @@ 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 @@ -614,10 +870,10 @@ public: void ResetConstraints(); // these methods may be overriden for special layout algorithms - virtual void SetConstraintSizes(bool recurse = TRUE); + 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 SetSizeConstraint(int x, int y, int w, int h); @@ -626,22 +882,52 @@ public: 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 ); + void SetSizer(wxSizer *sizer, bool deleteOld = true ); + void SetSizerAndFit( wxSizer *sizer, bool deleteOld = true ); + wxSizer *GetSizer() const { return m_windowSizer; } -#endif // wxUSE_CONSTRAINTS - // backward compatibility + // Track if this window is a member of a sizer + void SetContainingSizer(wxSizer* sizer) + { + // adding a window to a sizer twice is going to result in fatal and + // hard to debug problems later because when deleting the second + // associated wxSizerItem we're going to dereference a dangling + // pointer; so try to detect this as early as possible + wxASSERT_MSG( !sizer || m_containingSizer != sizer, + _T("Adding a window to the same sizer twice?") ); + + m_containingSizer = sizer; + } + wxSizer *GetContainingSizer() const { return m_containingSizer; } + + // accessibility // ---------------------- -#if WXWIN_COMPATIBILITY - bool Enabled() const { return IsEnabled(); } +#if wxUSE_ACCESSIBILITY + // Override to create a specific accessible object. + virtual wxAccessible* CreateAccessible(); - 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 + // 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 // implementation // -------------- @@ -649,13 +935,53 @@ public: // event handlers void OnSysColourChanged( wxSysColourChangedEvent& event ); void OnInitDialog( wxInitDialogEvent &event ); + void OnMiddleClick( wxMouseEvent& event ); +#if wxUSE_HELP + void OnHelp(wxHelpEvent& event); +#endif // wxUSE_HELP - // get the haqndle of the window for the underlying window system: this + // virtual function for implementing internal idle + // behaviour + virtual void OnInternalIdle() {} + + // call internal idle recursively +// void ProcessInternalIdle() ; + + // 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; +#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 + protected: + // event handling specific to wxWindow + virtual bool TryValidator(wxEvent& event); + virtual bool TryParent(wxEvent& event); + + +#if wxUSE_CONSTRAINTS + // satisfy the constraints for the windows but don't set the window sizes + void SatisfyConstraints(); +#endif // wxUSE_CONSTRAINTS + + // Send the wxWindowDestroyEvent + void SendDestroyEvent(); + // the window id - a number which uniquely identifies a window among // its siblings unless it is -1 wxWindowID m_windowId; @@ -667,7 +993,10 @@ protected: // 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; + int m_minWidth, + m_minHeight, + m_maxWidth, + m_maxHeight; // event handler for this window: usually is just 'this' but may be // changed with SetEventHandler() @@ -684,8 +1013,9 @@ 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; @@ -700,17 +1030,6 @@ protected: wxAcceleratorTable m_acceleratorTable; #endif // wxUSE_ACCEL - // 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 - only one type of data can be used with the given window - // (i.e. you cannot set the void data and then associate the window with - // wxClientData or vice versa) - union - { - wxClientData *m_clientObject; - void *m_clientData; - }; - // the tooltip for this window (may be NULL) #if wxUSE_TOOLTIPS wxToolTip *m_tooltip; @@ -723,35 +1042,85 @@ 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; + // window attributes - long m_windowStyle; + long m_windowStyle, + m_exStyle; wxString m_windowName; + bool m_themeEnabled; -protected: - // common part of all ctors: it is not virtual because it is called from - // ctor - void InitBase(); +#if wxUSE_PALETTE + wxPalette m_palette; + bool m_hasCustomPalette; +#endif // wxUSE_PALETTE - // get the default size for the new window if no explicit size given - // FIXME why 20 and not 30, 10 or ...? +#if wxUSE_ACCESSIBILITY + wxAccessible* m_accessible; +#endif + // Virtual size (scrolling) + wxSize m_virtualSize; + + 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; + + // 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 == -1 ? 20 : w; } static int HeightDefault(int h) { return h == -1 ? 20 : h; } + // set the best size for the control if the default size was given: + // replaces the fields of size == -1 with the best values for them and + // calls SetSize() if needed + // + // This function is rather unfortunately named.. it's really just a + // smarter SetSize / convenience function for expanding wxDefaultSize. + // Note that it does not influence the value returned by GetBestSize + // at all. + void SetBestSize(const wxSize& size) + { + // the size only needs to be changed if the current size is incomplete, + // i.e. one of the components was specified as default -- so if both + // were given, simply don't do anything + if ( size.x == -1 || size.y == -1 ) + { + wxSize sizeBest = DoGetBestSize(); + if ( size.x != -1 ) + sizeBest.x = size.x; + if ( size.y != -1 ) + sizeBest.y = size.y; + + SetSize(sizeBest); + } + } + // more pure virtual functions // --------------------------- @@ -768,11 +1137,22 @@ protected: virtual void DoClientToScreen( int *x, int *y ) const = 0; virtual void DoScreenToClient( int *x, int *y ) const = 0; + virtual wxHitTest DoHitTest(wxCoord x, wxCoord y) const; + + // capture/release the mouse, used by Capture/ReleaseMouse() + virtual void DoCaptureMouse() = 0; + virtual void DoReleaseMouse() = 0; + // retrieve the position/size of the window virtual void DoGetPosition( int *x, int *y ) const = 0; virtual void 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 is the virtual function to be overriden in any derived class which // wants to change how SetSize() or Move() works - it is called by all // versions of these functions in the base class @@ -783,32 +1163,42 @@ protected: // same as DoSetSize() for the client size virtual void DoSetClientSize(int width, int height) = 0; + // 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 + virtual void DoMoveWindow(int x, int y, int width, int height) = 0; + #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 - // client data accessors - virtual void DoSetClientObject( wxClientData *data ); - virtual wxClientData *DoGetClientObject() const; + // 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; - virtual void DoSetClientData( void *data ); - virtual void *DoGetClientData() const; - - // what kind of data do we have? - enum wxClientDataType - { - ClientData_None, // we don't know yet because we don't have it at all - ClientData_Object, // our client data is typed and we own it - ClientData_Void // client data is untyped and we don't own it - } m_clientDataType; + // implements the window variants + virtual void DoSetWindowVariant( wxWindowVariant variant ) ; private: // contains the last id generated by NewControlId static int ms_lastControlId; - DECLARE_NO_COPY_CLASS(wxWindowBase); + // the stack of windows which have captured the mouse + static struct WXDLLEXPORT wxWindowNext *ms_winCaptureNext; + + // implementation of both const and non-const versions of GetFont() + wxFont& DoGetFont() const; + + + DECLARE_ABSTRACT_CLASS(wxWindowBase) + DECLARE_NO_COPY_CLASS(wxWindowBase) DECLARE_EVENT_TABLE() }; @@ -816,20 +1206,70 @@ private: // now include the declaration of wxWindow class // ---------------------------------------------------------------------------- +// include the declaration of the platform-specific class #if 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__) + #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(__WXX11__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowX11 + #else // !wxUniv + #define wxWindowX11 wxWindow + #endif // wxUniv + #include "wx/x11/window.h" +#elif defined(__WXMGL__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowMGL + #else // !wxUniv + #define wxWindowMGL wxWindow + #endif // wxUniv + #include "wx/mgl/window.h" #elif defined(__WXMAC__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowMac + #else // !wxUniv + #define wxWindowMac wxWindow + #endif // wxUniv #include "wx/mac/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 @@ -841,11 +1281,121 @@ inline wxWindow *wxWindowBase::GetGrandParent() const } // ---------------------------------------------------------------------------- -// global function +// global functions +// ---------------------------------------------------------------------------- + +// Find the wxWindow at the current mouse position, also returning the mouse +// position. +WXDLLEXPORT extern wxWindow* wxFindWindowAtPointer(wxPoint& pt); + +// Get the current mouse position. +WXDLLEXPORT extern wxPoint wxGetMousePosition(); + +// get the currently active window of this application or NULL +WXDLLEXPORT extern wxWindow *wxGetActiveWindow(); + +// get the (first) top level parent window +WXDLLEXPORT wxWindow* wxGetTopLevelParent(wxWindow *win); + +// deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId() +inline int NewControlId() { return wxWindowBase::NewControlId(); } + +#if wxUSE_ACCESSIBILITY +// ---------------------------------------------------------------------------- +// accessible object for windows // ---------------------------------------------------------------------------- -WXDLLEXPORT extern wxWindow* wxGetActiveWindow(); -inline WXDLLEXPORT int NewControlId() { return wxWindowBase::NewControlId(); } +class WXDLLEXPORT 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); + + // 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_ACCESSIBILITY + #endif // _WX_WINDOW_H_BASE_ +