X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/311a173bcc5a009f0e675cf63d2ea4fefb75e02d..a69aabc360d54a93e355fab72c6513c75aaa7337:/include/wx/window.h diff --git a/include/wx/window.h b/include/wx/window.h index e9f83c941d..00aac00518 100644 --- a/include/wx/window.h +++ b/include/wx/window.h @@ -5,17 +5,13 @@ // Modified by: Ron Lee // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) wxWindows team +// Copyright: (c) Vadim Zeitlin // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifndef _WX_WINDOW_H_BASE_ #define _WX_WINDOW_H_BASE_ -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma interface "windowbase.h" -#endif - // ---------------------------------------------------------------------------- // headers which we must include here // ---------------------------------------------------------------------------- @@ -48,9 +44,9 @@ // compiled in - it should only be used when building real wxFoo #ifdef __WXUNIVERSAL__ #define wxUSE_MENUS_NATIVE 0 -#else // __WXMSW__ +#else // !__WXUNIVERSAL__ #define wxUSE_MENUS_NATIVE wxUSE_MENUS -#endif // __WXUNIVERSAL__/__WXMSW__ +#endif // __WXUNIVERSAL__/!__WXUNIVERSAL__ // ---------------------------------------------------------------------------- // forward declarations @@ -73,6 +69,39 @@ class WXDLLEXPORT wxWindow; class WXDLLEXPORT wxAccessible; #endif +// ---------------------------------------------------------------------------- +// helper stuff used by wxWindow +// ---------------------------------------------------------------------------- + +// struct containing all the visual attributes of a control +struct WXDLLEXPORT wxVisualAttributes +{ + // the font used for control label/text inside it + wxFont font; + + // the foreground colour + wxColour colFg; + + // the background colour, may be wxNullColour if the controls background + // colour is not solid + wxColour colBg; +}; + +// different window variants, on platforms like eg mac uses different +// rendering sizes +enum wxWindowVariant +{ + wxWINDOW_VARIANT_NORMAL, // Normal size + wxWINDOW_VARIANT_SMALL, // Smaller size (about 25 % smaller than normal) + wxWINDOW_VARIANT_MINI, // Mini size (about 33 % smaller than normal) + wxWINDOW_VARIANT_LARGE, // Large size (about 25 % larger than normal) + wxWINDOW_VARIANT_MAX +}; + +#if wxUSE_SYSTEM_OPTIONS + #define wxWINDOW_DEFAULT_VARIANT wxT("window-default-variant") +#endif + // ---------------------------------------------------------------------------- // (pseudo)template list classes // ---------------------------------------------------------------------------- @@ -83,7 +112,8 @@ WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class // global variables // ---------------------------------------------------------------------------- -WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows; +extern WXDLLEXPORT_DATA(wxWindowList) wxTopLevelWindows; +extern WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete; // ---------------------------------------------------------------------------- // wxWindowBase is the base class for all GUI controls/widgets, this is the public @@ -102,8 +132,9 @@ 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, @@ -119,17 +150,17 @@ public: // 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? @@ -138,27 +169,24 @@ 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 wxEmptyString; } - // label is just the same as the title (but for, e.g., buttons it - // makes more sense to speak about labels) - virtual void SetLabel(const wxString& label) { SetTitle(label); } - virtual wxString GetLabel() const { return GetTitle(); } + // makes more sense to speak about labels), title access + // is available from wxTLW classes only (frames, dialogs) + virtual void SetLabel(const wxString& label) = 0; + virtual wxString GetLabel() const = 0; // the window name is used for ressource setting in X, it is not the // same as the window title/label virtual void SetName( const wxString &name ) { m_windowName = name; } virtual wxString GetName() const { return m_windowName; } + // sets the window variant, calls internally DoSetVariant if variant has changed + void SetWindowVariant( wxWindowVariant variant ) ; + wxWindowVariant GetWindowVariant() const { return m_windowVariant ; } + + // window id uniquely identifies the window among its siblings unless - // it is -1 which means "don't care" + // it is wxID_ANY which means "don't care" void SetId( wxWindowID winid ) { m_windowId = winid; } wxWindowID GetId() const { return m_windowId; } @@ -181,7 +209,7 @@ public: { DoSetSize(x, y, width, height, sizeFlags); } void SetSize( int width, int height ) - { DoSetSize( -1, -1, width, height, wxSIZE_USE_EXISTING ); } + { DoSetSize( wxDefaultCoord, wxDefaultCoord, width, height, wxSIZE_USE_EXISTING ); } void SetSize( const wxSize& size ) { SetSize( size.x, size.y); } @@ -190,11 +218,13 @@ public: { DoSetSize(rect.x, rect.y, rect.width, rect.height, sizeFlags); } void Move(int x, int y, int flags = wxSIZE_USE_EXISTING) - { DoSetSize(x, y, -1, -1, flags); } + { DoSetSize(x, y, wxDefaultCoord, wxDefaultCoord, flags); } void Move(const wxPoint& pt, int flags = wxSIZE_USE_EXISTING) { Move(pt.x, pt.y, flags); } + void SetPosition(const wxPoint& pt) { Move(pt); } + // Z-order virtual void Raise() = 0; virtual void Lower() = 0; @@ -209,18 +239,30 @@ public: void SetClientSize(const wxRect& rect) { SetClientSize( rect.width, rect.height ); } - // get the window position and/or size (pointers may be NULL) + // get the window position (pointers may be NULL): notice that it is in + // client coordinates for child windows and screen coordinates for the + // top level ones, use GetScreenPosition() if you need screen + // coordinates for all kinds of windows void GetPosition( int *x, int *y ) const { DoGetPosition(x, y); } wxPoint GetPosition() const { - int w, h; - DoGetPosition(&w, &h); + int x, y; + DoGetPosition(&x, &y); - return wxPoint(w, h); + return wxPoint(x, y); } - void SetPosition( const wxPoint& pt ) { Move( pt ) ; } + // get the window position in screen coordinates + void GetScreenPosition(int *x, int *y) const { DoGetScreenPosition(x, y); } + wxPoint GetScreenPosition() const + { + int x, y; + DoGetScreenPosition(&x, &y); + + return wxPoint(x, y); + } + // get the window size (pointers may be NULL) void GetSize( int *w, int *h ) const { DoGetSize(w, h); } wxSize GetSize() const { @@ -229,22 +271,32 @@ public: return wxSize(w, h); } + void GetClientSize( int *w, int *h ) const { DoGetClientSize(w, h); } + wxSize GetClientSize() const + { + int w, h; + DoGetClientSize(&w, &h); + + return wxSize(w, h); + } + + // get the position and size at once wxRect GetRect() const { int x, y, w, h; - GetPosition(& x, & y); - GetSize(& w, & h); + GetPosition(&x, &y); + GetSize(&w, &h); return wxRect(x, y, w, h); } - void GetClientSize( int *w, int *h ) const { DoGetClientSize(w, h); } - wxSize GetClientSize() const + wxRect GetScreenRect() const { - int w, h; - DoGetClientSize(& w, & h); + int x, y, w, h; + GetScreenPosition(&x, &y); + GetSize(&w, &h); - return wxSize(w, h); + return wxRect(x, y, w, h); } // get the origin of the client area of the window relative to the @@ -259,17 +311,29 @@ public: } // 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(); } + // acceptable size using which it will still look "nice" in + // most situations) + wxSize GetBestSize() const + { + if (m_bestSizeCache.IsFullySpecified()) + return m_bestSizeCache; + return DoGetBestSize(); + } void GetBestSize(int *w, int *h) const { - wxSize s = DoGetBestSize(); + wxSize s = GetBestSize(); if ( w ) *w = s.x; if ( h ) *h = s.y; } + // reset the cached best size value so it will be recalculated the + // next time it is needed. + void InvalidateBestSize(); + void CacheBestSize(const wxSize& size) const + { wxConstCast(this, wxWindowBase)->m_bestSizeCache = size; } + // There are times (and windows) where 'Best' size and 'Min' size // are vastly out of sync. This should be remedied somehow, but in // the meantime, this method will return the larger of BestSize @@ -277,22 +341,27 @@ public: // MinSize hint. wxSize GetAdjustedBestSize() const { - wxSize s( DoGetBestSize() ); + wxSize s( GetBestSize() ); return wxSize( wxMax( s.x, GetMinWidth() ), wxMax( s.y, GetMinHeight() ) ); } + // This function will merge the window's best size into the window's + // minimum size, giving priority to the min size components, and + // returns the results. + wxSize GetBestFittingSize() const; + + // A 'Smart' SetSize that will fill in default size values with 'best' + // size. Sets the minsize to what was passed in. + void SetBestFittingSize(const wxSize& size=wxDefaultSize); + // the generic centre function - centers the window on parent by` // default or on screen if it doesn't have parent or // wxCENTER_ON_SCREEN flag is given - void Centre( int direction = wxBOTH ); - void Center( int direction = wxBOTH ) { Centre(direction); } - - // centre on screen (only works for top level windows) - void CentreOnScreen(int dir = wxBOTH) { Centre(dir | wxCENTER_ON_SCREEN); } - void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); } + void Centre(int dir = wxBOTH) { DoCentre(dir); } + void Center(int dir = wxBOTH) { DoCentre(dir); } // centre with respect to the the parent window - void CentreOnParent(int dir = wxBOTH) { Centre(dir | wxCENTER_FRAME); } + void CentreOnParent(int dir = wxBOTH) { DoCentre(dir); } void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); } // set window size to wrap around its children @@ -303,11 +372,32 @@ public: // 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 maxW = wxDefaultCoord, int maxH = wxDefaultCoord, + int incW = wxDefaultCoord, int incH = wxDefaultCoord ) + { + DoSetSizeHints(minW, minH, maxW, maxH, incW, incH); + } + + void SetSizeHints( const wxSize& minSize, + const wxSize& maxSize=wxDefaultSize, + const wxSize& incSize=wxDefaultSize) + { + DoSetSizeHints(minSize.x, minSize.y, + maxSize.x, maxSize.y, + incSize.x, incSize.y); + } + + virtual void DoSetSizeHints(int minW, int minH, + int maxW = wxDefaultCoord, int maxH = wxDefaultCoord, + int incW = wxDefaultCoord, int incH = wxDefaultCoord ); virtual void SetVirtualSizeHints( int minW, int minH, - int maxW = -1, int maxH = -1 ); + int maxW = wxDefaultCoord, int maxH = wxDefaultCoord ); + void SetVirtualSizeHints( const wxSize& minSize, + const wxSize& maxSize=wxDefaultSize) + { + SetVirtualSizeHints(minSize.x, minSize.y, maxSize.x, maxSize.y); + } virtual int GetMinWidth() const { return m_minWidth; } virtual int GetMinHeight() const { return m_minHeight; } @@ -316,6 +406,10 @@ public: // Override this method to control the values given to Sizers etc. virtual wxSize GetMaxSize() const { return wxSize( m_maxWidth, m_maxHeight ); } + virtual wxSize GetMinSize() const { return wxSize( m_minWidth, m_minHeight ); } + + void SetMinSize(const wxSize& minSize) { SetSizeHints(minSize); } + void SetMaxSize(const wxSize& maxSize) { SetSizeHints(GetMinSize(), maxSize); } // Methods for accessing the virtual size of a window. For most // windows this is just the client area of the window, but for @@ -339,10 +433,10 @@ public: // 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. + // wxScrolledWindow. virtual void DoSetVirtualSize( int x, int y ); - virtual wxSize DoGetVirtualSize() const; // { return m_virtualSize; } + virtual wxSize DoGetVirtualSize() const; // Return the largest of ClientSize and BestSize (as determined // by a sizer, interior children, or other means) @@ -358,17 +452,17 @@ public: // 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; } + virtual bool IsShown() const { return m_isShown; } + virtual bool IsEnabled() const { return m_isEnabled; } // get/set window style (setting style won't update the window and so // is only useful for internal usage) @@ -388,11 +482,16 @@ public: 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); + + + // (primitive) theming support + // --------------------------- virtual void SetThemeEnabled(bool enableTheme) { m_themeEnabled = enableTheme; } virtual bool GetThemeEnabled() const { return m_themeEnabled; } + // focus and keyboard handling // --------------------------- @@ -403,7 +502,9 @@ public: virtual void SetFocusFromKbd() { SetFocus(); } // return the window which currently has the focus or NULL - static wxWindow *FindFocus() /* = 0: implement in derived classes */; + static wxWindow *FindFocus(); + + static wxWindow *DoFindFocus() /* = 0: implement in derived classes */; // can this window have focus? virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); } @@ -413,19 +514,16 @@ public: // 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 :-( + // navigates in the specified direction by sending a wxNavigationKeyEvent + virtual bool Navigate(int flags = wxNavigationKeyEvent::IsForward); - // get the default child of this parent, i.e. the one which is - // activated by pressing - virtual wxWindow *GetDefaultItem() const { return NULL; } + // move this window just before/after the specified one in tab order + // (the other window must be our sibling!) + void MoveBeforeInTabOrder(wxWindow *win) + { DoMoveInTabOrder(win, MoveBefore); } + void MoveAfterInTabOrder(wxWindow *win) + { DoMoveInTabOrder(win, MoveAfter); } - // 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 // ------------------------- @@ -444,10 +542,10 @@ public: // is this window a top level one? virtual bool IsTopLevel() const; - // it doesn't really change parent, use ReParent() instead + // it doesn't really change parent, use Reparent() instead void SetParent( wxWindowBase *parent ) { m_parent = (wxWindow *)parent; } - // change the real parent of this window, return TRUE if the parent - // was changed, FALSE otherwise (error or newParent == oldParent) + // change the real parent of this window, return true if the parent + // was changed, false otherwise (error or newParent == oldParent) virtual bool Reparent( wxWindowBase *newParent ); // implementation mostly @@ -459,8 +557,8 @@ public: // find window among the descendants of this one either by id or by // name (return NULL if not found) - wxWindow *FindWindow( long winid ); - wxWindow *FindWindow( const wxString& name ); + wxWindow *FindWindow(long winid) const; + wxWindow *FindWindow(const wxString& name) const; // Find a window among any window (all return NULL if not found) static wxWindow *FindWindowById( long winid, const wxWindow *parent = NULL ); @@ -482,11 +580,11 @@ 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 ); // 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 + // 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); @@ -505,7 +603,7 @@ public: // 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 @@ -577,11 +675,14 @@ public: // 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; // a less awkward wrapper for Refresh - void RefreshRect(const wxRect& rect) { Refresh(TRUE, &rect); } + void RefreshRect(const wxRect& rect, bool eraseBackground = true) + { + Refresh(eraseBackground, &rect); + } // repaint all invalid areas of the window immediately virtual void Update() { } @@ -619,25 +720,73 @@ 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 - virtual bool SetBackgroundColour( const wxColour &colour ); - virtual bool SetForegroundColour( const wxColour &colour ); + // default): SetXXX() functions return true if colour was changed, + // SetDefaultXXX() reset the "m_inheritXXX" flag after setting the + // value to prevent it from being inherited by our children + virtual bool SetBackgroundColour(const wxColour& colour); + void SetOwnBackgroundColour(const wxColour& colour) + { + if ( SetBackgroundColour(colour) ) + m_inheritBgCol = false; + } + wxColour GetBackgroundColour() const; + bool InheritsBackgroundColour() const + { + return m_inheritBgCol; + } + bool UseBgCol() const + { + return m_hasBgCol; + } + + virtual bool SetForegroundColour(const wxColour& colour); + void SetOwnForegroundColour(const wxColour& colour) + { + if ( SetForegroundColour(colour) ) + m_inheritFgCol = false; + } + wxColour GetForegroundColour() const; + + // Set/get the background style. + // 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; } - wxColour GetBackgroundColour() const { return m_backgroundColour; } - wxColour GetForegroundColour() const { return m_foregroundColour; } + // returns true if the control has "transparent" areas such as a + // wxStaticText and wxCheckBox and the background should be adapted + // from a parent window + virtual bool HasTransparentBackground() { return false; } + + // set/retrieve the font for the window (SetFont() returns true if the + // font really changed) + virtual bool SetFont(const wxFont& font) = 0; + void SetOwnFont(const wxFont& font) + { + if ( SetFont(font) ) + m_inheritFont = false; + } + wxFont GetFont() const; - // set/retrieve the cursor for this window (SetCursor() returns TRUE + // set/retrieve the cursor for this window (SetCursor() returns true // if the cursor was really changed) virtual bool SetCursor( const wxCursor &cursor ); const wxCursor& GetCursor() const { return m_cursor; } - wxCursor& GetCursor() { return m_cursor; } - - // set/retrieve the font for the window (SetFont() returns TRUE if the - // font really changed) - virtual bool SetFont( const wxFont &font ) = 0; - const wxFont& GetFont() const { return m_font; } - wxFont& GetFont() { return m_font; } #if wxUSE_CARET // associate a caret with the window @@ -703,19 +852,23 @@ public: // 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 + // 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 ) + bool PopupMenu(wxMenu *menu, const wxPoint& pos = wxDefaultPosition) { return DoPopupMenu(menu, pos.x, pos.y); } - bool PopupMenu( wxMenu *menu, int x, int y ) + bool PopupMenu(wxMenu *menu, int x, int y) { return DoPopupMenu(menu, x, y); } #endif // wxUSE_MENUS + // override this method to return true for controls having multiple pages + virtual bool HasMultiplePages() const { return false; } + + // scrollbars // ---------- @@ -731,8 +884,8 @@ public: int pos, 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; @@ -743,9 +896,9 @@ public: // 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; } + // 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); } @@ -764,8 +917,22 @@ public: // 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; + // get the help string associated with the given position in this window + // + // notice that pt may be invalid if event origin is keyboard or unknown + // and this method should return the global window help text then + virtual wxString GetHelpTextAtPoint(const wxPoint& pt, + wxHelpEvent::Origin origin) const; + // returns the position-independent help text + wxString GetHelpText() const + { + return GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Unknown); + } + +#else // !wxUSE_HELP + // silently ignore SetHelpText() calls + void SetHelpText(const wxString& WXUNUSED(text)) { } + void SetHelpTextForId(const wxString& WXUNUSED(text)) { } #endif // wxUSE_HELP // tooltips @@ -779,6 +946,10 @@ public: // get the associated tooltip or NULL if none wxToolTip* GetToolTip() const { return m_tooltip; } wxString GetToolTipText() const ; +#else + // make it much easier to compile apps in an environment + // that doesn't support tooltips, such as PocketPC + inline void SetToolTip( const wxString & WXUNUSED(tip) ) {} #endif // wxUSE_TOOLTIPS // drag and drop @@ -806,8 +977,8 @@ public: void DeleteRelatedConstraints(); void ResetConstraints(); - // these methods may be overriden for special layout algorithms - virtual void SetConstraintSizes(bool recurse = TRUE); + // these methods may be overridden for special layout algorithms + virtual void SetConstraintSizes(bool recurse = true); virtual bool LayoutPhase1(int *noChanges); virtual bool LayoutPhase2(int *noChanges); virtual bool DoPhase(int phase); @@ -831,23 +1002,13 @@ public: virtual bool Layout(); // sizers - void SetSizer(wxSizer *sizer, bool deleteOld = TRUE ); - void SetSizerAndFit( wxSizer *sizer, bool deleteOld = TRUE ); + void SetSizer(wxSizer *sizer, bool deleteOld = true ); + void SetSizerAndFit( wxSizer *sizer, bool deleteOld = true ); wxSizer *GetSizer() const { return m_windowSizer; } // Track if this window is a member of a sizer - void SetContainingSizer(wxSizer* sizer) - { - // 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; - } + void SetContainingSizer(wxSizer* sizer); wxSizer *GetContainingSizer() const { return m_containingSizer; } // accessibility @@ -866,6 +1027,12 @@ public: wxAccessible* GetOrCreateAccessible() ; #endif + + // Set window transparency if the platform supports it + virtual bool SetTransparent(wxByte WXUNUSED(alpha)) { return false; } + virtual bool CanSetTransparent() { return false; } + + // implementation // -------------- @@ -888,6 +1055,10 @@ public: // is only used for wxWin itself or for user code which wants to call // platform-specific APIs virtual WXWidget GetHandle() const = 0; + // associate the window with a new native handle + virtual void AssociateHandle(WXWidget WXUNUSED(handle)) { } + // dissociate the current native handle from the window + virtual void DissociateHandle() { } #if wxUSE_PALETTE // Store the palette used by DCs in wxWindow so that the dcs can share @@ -905,11 +1076,30 @@ public: wxWindow *GetAncestorWithCustomPalette() const; #endif // wxUSE_PALETTE + // inherit the parents visual attributes if they had been explicitly set + // by the user (i.e. we don't inherit default attributes) and if we don't + // have our own explicitly set + virtual void InheritAttributes(); + + // returns false from here if this window doesn't want to inherit the + // parents colours even if InheritAttributes() would normally do it + // + // this just provides a simple way to customize InheritAttributes() + // behaviour in the most common case + virtual bool ShouldInheritColours() const { return false; } + protected: // event handling specific to wxWindow virtual bool TryValidator(wxEvent& event); virtual bool TryParent(wxEvent& event); + // common part of MoveBefore/AfterInTabOrder() + enum MoveKind + { + MoveBefore, // insert before the given window + MoveAfter // insert after the given window + }; + virtual void DoMoveInTabOrder(wxWindow *win, MoveKind move); #if wxUSE_CONSTRAINTS // satisfy the constraints for the windows but don't set the window sizes @@ -919,8 +1109,14 @@ protected: // Send the wxWindowDestroyEvent 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; } + // the window id - a number which uniquely identifies a window among - // its siblings unless it is -1 + // its siblings unless it is wxID_ANY wxWindowID m_windowId; // the parent window of this window (or NULL) and the list of the children @@ -929,7 +1125,7 @@ protected: wxWindowList m_children; // the minimal allowed size for the window (no minimal size if variable(s) - // contain(s) -1) + // contain(s) wxDefaultCoord) int m_minWidth, m_minHeight, m_maxWidth, @@ -950,8 +1146,9 @@ 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; @@ -999,12 +1196,17 @@ protected: bool m_hasFgCol:1; bool m_hasFont:1; + // and should it be inherited by children? + bool m_inheritBgCol:1; + bool m_inheritFgCol:1; + bool m_inheritFont:1; + // window attributes long m_windowStyle, m_exStyle; wxString m_windowName; bool m_themeEnabled; - + wxBackgroundStyle m_backgroundStyle; #if wxUSE_PALETTE wxPalette m_palette; bool m_hasCustomPalette; @@ -1013,6 +1215,7 @@ protected: #if wxUSE_ACCESSIBILITY wxAccessible* m_accessible; #endif + // Virtual size (scrolling) wxSize m_virtualSize; @@ -1021,43 +1224,36 @@ protected: int m_maxVirtualWidth; int m_maxVirtualHeight; - // common part of all ctors: it is not virtual because it is called from - // ctor - void InitBase(); + 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 - // FIXME why 20 and not 30, 10 or ...? - static int WidthDefault(int w) { return w == -1 ? 20 : w; } - static int HeightDefault(int h) { return h == -1 ? 20 : h; } + // Get the default size for the new window if no explicit size given. TLWs + // have their own default size so this is just for non top-level windows. + static int WidthDefault(int w) { return w == wxDefaultCoord ? 20 : w; } + static int HeightDefault(int h) { return h == wxDefaultCoord ? 20 : h; } + + + // Used to save the results of DoGetBestSize so it doesn't need to be + // recalculated each time the value is needed. + wxSize m_bestSizeCache; - // 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 + // 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) // - // 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); - } - } + // 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)) {} + + // more pure virtual functions // --------------------------- @@ -1082,15 +1278,24 @@ protected: 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; + virtual void DoGetPosition(int *x, int *y) const = 0; + virtual void DoGetScreenPosition(int *x, int *y) const; + virtual void DoGetSize(int *width, int *height) const = 0; + virtual void DoGetClientSize(int *width, int *height) const = 0; // get the size which best suits the window: for a control, it would be // the minimal size which doesn't truncate the control, for a panel - the // same size as it would have after a call to Fit() virtual wxSize DoGetBestSize() const; + // 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 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 @@ -1107,26 +1312,42 @@ protected: // arrange themselves inside the given rectangle virtual void DoMoveWindow(int x, int y, int width, int height) = 0; + // centre the window in the specified direction on parent, note that + // wxCENTRE_ON_SCREEN shouldn't be specified here, it only makes sense for + // TLWs + virtual void DoCentre(int dir); + #if wxUSE_TOOLTIPS virtual void DoSetToolTip( wxToolTip *tip ); #endif // wxUSE_TOOLTIPS #if wxUSE_MENUS - virtual bool DoPopupMenu( wxMenu *menu, int x, int y ) = 0; + virtual bool DoPopupMenu(wxMenu *menu, int x, int y) = 0; #endif // wxUSE_MENUS - // Makes an adjustment to the window position (for example, a frame that has - // a toolbar that it manages itself). - virtual void AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) 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; + // implements the window variants + virtual void DoSetWindowVariant( wxWindowVariant variant ) ; -private: + // 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; // the stack of windows which have captured the mouse static struct WXDLLEXPORT 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; DECLARE_ABSTRACT_CLASS(wxWindowBase) DECLARE_NO_COPY_CLASS(wxWindowBase) @@ -1138,33 +1359,41 @@ private: // ---------------------------------------------------------------------------- // include the declaration of the platform-specific class -#if defined(__WXMSW__) +#if defined(__WXPALMOS__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowPalm + #else // !wxUniv + #define wxWindowPalm wxWindow + #endif // wxUniv/!wxUniv + #include "wx/palmos/window.h" +#elif defined(__WXMSW__) #ifdef __WXUNIVERSAL__ #define wxWindowNative wxWindowMSW #else // !wxUniv #define wxWindowMSW wxWindow - #define sm_classwxWindowMSW sm_classwxWindow - #define sm_constructorPropertiesCountwxWindowMSW sm_constructorPropertiesCountwxWindow - #define sm_constructorPropertieswxWindowMSW sm_constructorPropertieswxWindow - #define sm_constructorwxWindowMSW sm_constructorwxWindow #endif // wxUniv/!wxUniv #include "wx/msw/window.h" #elif defined(__WXMOTIF__) #include "wx/motif/window.h" -#elif defined(__WXGTK__) +#elif defined(__WXGTK20__) #ifdef __WXUNIVERSAL__ #define wxWindowNative wxWindowGTK #else // !wxUniv #define wxWindowGTK wxWindow - #define sm_classwxWindowGTK sm_classwxWindow #endif // wxUniv #include "wx/gtk/window.h" +#elif defined(__WXGTK__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowGTK + #else // !wxUniv + #define wxWindowGTK wxWindow + #endif // wxUniv + #include "wx/gtk1/window.h" #elif defined(__WXX11__) #ifdef __WXUNIVERSAL__ #define wxWindowNative wxWindowX11 #else // !wxUniv #define wxWindowX11 wxWindow - #define sm_classwxWindowX11 sm_classwxWindow #endif // wxUniv #include "wx/x11/window.h" #elif defined(__WXMGL__) @@ -1172,7 +1401,6 @@ private: #define wxWindowNative wxWindowMGL #else // !wxUniv #define wxWindowMGL wxWindow - #define sm_classwxWindowMGL sm_classwxWindow #endif // wxUniv #include "wx/mgl/window.h" #elif defined(__WXMAC__) @@ -1180,7 +1408,6 @@ private: #define wxWindowNative wxWindowMac #else // !wxUniv #define wxWindowMac wxWindow - #define sm_classwxWindowMac sm_classwxWindow #endif // wxUniv #include "wx/mac/window.h" #elif defined(__WXCOCOA__) @@ -1188,7 +1415,6 @@ private: #define wxWindowNative wxWindowCocoa #else // !wxUniv #define wxWindowCocoa wxWindow - #define sm_classwxWindowCocoa sm_classwxWindow #endif // wxUniv #include "wx/cocoa/window.h" #elif defined(__WXPM__) @@ -1196,7 +1422,6 @@ private: #define wxWindowNative wxWindowOS2 #else // !wxUniv #define wxWindowOS2 wxWindow - #define sm_classwxWindowOS2 sm_classwxWindow #endif // wxUniv/!wxUniv #include "wx/os2/window.h" #endif @@ -1227,19 +1452,22 @@ inline wxWindow *wxWindowBase::GetGrandParent() const // Find the wxWindow at the current mouse position, also returning the mouse // position. -WXDLLEXPORT extern wxWindow* wxFindWindowAtPointer(wxPoint& pt); +extern WXDLLEXPORT wxWindow* wxFindWindowAtPointer(wxPoint& pt); // Get the current mouse position. -WXDLLEXPORT extern wxPoint wxGetMousePosition(); +extern WXDLLEXPORT wxPoint wxGetMousePosition(); // get the currently active window of this application or NULL -WXDLLEXPORT extern wxWindow *wxGetActiveWindow(); +extern WXDLLEXPORT 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 WXWIN_COMPATIBILITY_2_6 + // deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId() + wxDEPRECATED( int NewControlId() ); + inline int NewControlId() { return wxWindowBase::NewControlId(); } +#endif // WXWIN_COMPATIBILITY_2_6 #if wxUSE_ACCESSIBILITY // ---------------------------------------------------------------------------- @@ -1250,7 +1478,7 @@ class WXDLLEXPORT wxWindowAccessible: public wxAccessible { public: wxWindowAccessible(wxWindow* win): wxAccessible(win) { if (win) win->SetAccessible(this); } - virtual ~wxWindowAccessible() {}; + virtual ~wxWindowAccessible() {} // Overridables @@ -1326,7 +1554,7 @@ public: // Gets a variant representing the selected children // of this object. // Acceptable values: - // - a null variant (IsNull() returns TRUE) + // - 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") @@ -1337,6 +1565,4 @@ public: #endif // wxUSE_ACCESSIBILITY -#endif - // _WX_WINDOW_H_BASE_ - +#endif // _WX_WINDOW_H_BASE_