X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/66202a7ee6d36fcca5b8d7159eca7ceb743f2f77..1b941f2d3143c1205fc7c5b01bd254781db728b3:/include/wx/window.h diff --git a/include/wx/window.h b/include/wx/window.h index 80925c1468..f641fc3dca 100644 --- a/include/wx/window.h +++ b/include/wx/window.h @@ -5,7 +5,7 @@ // Modified by: Ron Lee // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) wxWindows team +// Copyright: (c) wxWidgets team // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// @@ -73,6 +73,39 @@ 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 // ---------------------------------------------------------------------------- @@ -96,17 +129,6 @@ WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows; // temporarily switches event handlers). // ---------------------------------------------------------------------------- -// different window variants, on platforms like eg mac uses different rendering sizes - -enum wxWindowVariant -{ - wxWINDOW_VARIANT_DEFAULT, // Default size (usually == normal, may be set by a wxSystemOptions entry) - 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 ) -}; - class WXDLLEXPORT wxWindowBase : public wxEvtHandler { public: @@ -150,7 +172,7 @@ public: // window attributes // ----------------- - // NB: in future versions of wxWindows Set/GetTitle() will only work + // NB: in future versions of wxWidgets 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). @@ -172,10 +194,10 @@ public: // 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; } @@ -198,7 +220,7 @@ 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); } @@ -207,7 +229,7 @@ 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); } @@ -276,17 +298,29 @@ 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 @@ -294,10 +328,19 @@ 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 @@ -320,11 +363,32 @@ 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; } @@ -333,6 +397,10 @@ 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 @@ -407,20 +475,20 @@ public: // make the window modal (all other windows unresponsive) virtual void MakeModal(bool modal = true); + + // (primitive) theming support + // --------------------------- + virtual void SetThemeEnabled(bool enableTheme) { m_themeEnabled = enableTheme; } virtual bool GetThemeEnabled() const { return m_themeEnabled; } // 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 + // page is added to a notebook it and its 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 @@ -433,7 +501,9 @@ 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(); } @@ -457,6 +527,17 @@ public: // set this child as temporary default virtual void SetTmpDefaultItem(wxWindow * WXUNUSED(win)) { } + // navigates in the specified direction by sending a wxNavigationKeyEvent + virtual bool Navigate(int flags = wxNavigationKeyEvent::IsForward); + + // 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); } + + // parent/children relations // ------------------------- @@ -474,7 +555,7 @@ 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) @@ -649,25 +730,60 @@ 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; + + virtual bool SetForegroundColour(const wxColour& colour); + void SetOwnForegroundColour(const wxColour& colour) + { + if ( SetForegroundColour(colour) ) + m_inheritFgCol = false; + } + wxColour GetForegroundColour() const; - wxColour GetBackgroundColour() const { return m_backgroundColour; } - wxColour GetForegroundColour() const { return m_foregroundColour; } + // 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; } + + // set/retrieve the font for the window (SetFont() returns true if the + // font really changed) + virtual bool SetFont(const wxFont& font) = 0; + void SetOwnFont(const wxFont& font) + { + if ( SetFont(font) ) + m_inheritFont = false; + } + wxFont GetFont() const; // set/retrieve the cursor for this window (SetCursor() returns true // if the cursor was really changed) virtual bool SetCursor( const wxCursor &cursor ); const wxCursor& GetCursor() const { return m_cursor; } - wxCursor& GetCursor() { return m_cursor; } - - // set/retrieve the font for the window (SetFont() returns true if the - // font really changed) - virtual bool SetFont( const wxFont &font ) = 0; - const wxFont& GetFont() const { return m_font; } - wxFont& GetFont() { return m_font; } #if wxUSE_CARET // associate a caret with the window @@ -740,9 +856,9 @@ public: 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 @@ -809,6 +925,10 @@ 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 @@ -867,17 +987,7 @@ public: 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 @@ -918,6 +1028,10 @@ 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 @@ -935,11 +1049,30 @@ 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 @@ -949,8 +1082,14 @@ 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 @@ -959,7 +1098,7 @@ 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, @@ -980,8 +1119,9 @@ 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; @@ -1029,12 +1169,17 @@ 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; @@ -1043,6 +1188,7 @@ protected: #if wxUSE_ACCESSIBILITY wxAccessible* m_accessible; #endif + // Virtual size (scrolling) wxSize m_virtualSize; @@ -1050,43 +1196,37 @@ protected: 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. If - // there are better default sizes then these can be changed, just as long - // as they are not too small for TLWs. - 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 // --------------------------- @@ -1141,7 +1281,7 @@ protected: #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 to make it relative to the @@ -1154,7 +1294,6 @@ protected: virtual void DoSetWindowVariant( wxWindowVariant variant ) ; private: - // contains the last id generated by NewControlId static int ms_lastControlId; @@ -1273,7 +1412,7 @@ class WXDLLEXPORT wxWindowAccessible: public wxAccessible { public: wxWindowAccessible(wxWindow* win): wxAccessible(win) { if (win) win->SetAccessible(this); } - virtual ~wxWindowAccessible() {}; + virtual ~wxWindowAccessible() {} // Overridables