#define wxUSE_MENUS_NATIVE wxUSE_MENUS
#endif // __WXUNIVERSAL__/!__WXUNIVERSAL__
+
+// Define this macro if the corresponding operating system handles the state
+// of children windows automatically when the parent is enabled/disabled.
+// Otherwise wx itself must ensure that when the parent is disabled its
+// children are disabled too, and their initial state is restored when the
+// parent is enabled back.
+#if defined(__WXMSW__) || defined(__WXPM__)
+ // must do everything ourselves
+ #undef wxHAS_NATIVE_ENABLED_MANAGEMENT
+#else
+ #define wxHAS_NATIVE_ENABLED_MANAGEMENT
+#endif
+
// ----------------------------------------------------------------------------
// forward declarations
// ----------------------------------------------------------------------------
void CacheBestSize(const wxSize& size) const
{ wxConstCast(this, wxWindowBase)->m_bestSizeCache = size; }
- // There are times (and windows) where 'Best' size and 'Min' size
- // are vastly out of sync. This should be remedied somehow, but in
- // the meantime, this method will return the larger of BestSize
- // (the window's smallest legible size), and any user specified
- // MinSize hint.
- wxSize GetAdjustedBestSize() const
- {
- wxSize s( GetBestSize() );
- return wxSize( wxMax( s.x, GetMinWidth() ), wxMax( s.y, GetMinHeight() ) );
- }
// This function will merge the window's best size into the window's
// minimum size, giving priority to the min size components, and
// returns the results.
- wxSize GetBestFittingSize() const;
+ wxSize GetEffectiveMinSize() const;
+ wxDEPRECATED( wxSize GetBestFittingSize() const ); // replaced by GetEffectiveMinSize
+ wxDEPRECATED( wxSize GetAdjustedMinSize() const ); // replaced by GetEffectiveMinSize
// A 'Smart' SetSize that will fill in default size values with 'best'
// size. Sets the minsize to what was passed in.
- void SetBestFittingSize(const wxSize& size=wxDefaultSize);
+ void SetInitialSize(const wxSize& size=wxDefaultSize);
+ wxDEPRECATED( void SetBestFittingSize(const wxSize& size=wxDefaultSize) ); // replaced by SetInitialSize
+
// the generic centre function - centers the window on parent by`
// default or on screen if it doesn't have parent or
// set virtual size to satisfy children
virtual void FitInside();
- // set min/max size of the window
+
+ // SetSizeHints is actually for setting the size hints
+ // for the wxTLW for a Window Manager - hence the name -
+ // and it is therefore overridden in wxTLW to do that.
+ // In wxWindow(Base), it has (unfortunately) been abused
+ // to mean the same as SetMinSize() and SetMaxSize().
+
virtual void SetSizeHints( int minW, int minH,
int maxW = wxDefaultCoord, int maxH = wxDefaultCoord,
int incW = wxDefaultCoord, int incH = wxDefaultCoord )
- {
- DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
- }
+ { 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);
- }
+ { DoSetSizeHints(minSize.x, minSize.y, maxSize.x, maxSize.y, incSize.x, incSize.y); }
+
+ virtual void DoSetSizeHints( int minW, int minH,
+ int maxW, int maxH,
+ int incW, int incH );
- virtual void DoSetSizeHints(int minW, int minH,
- int maxW = wxDefaultCoord, int maxH = wxDefaultCoord,
- int incW = wxDefaultCoord, int incH = wxDefaultCoord );
+ // Methods for setting virtual size hints
+ // FIXME: What are virtual size hints?
virtual void SetVirtualSizeHints( int minW, int minH,
int maxW = wxDefaultCoord, int maxH = wxDefaultCoord );
SetVirtualSizeHints(minSize.x, minSize.y, maxSize.x, maxSize.y);
}
- 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 ); }
- virtual wxSize GetMinSize() const { return wxSize( m_minWidth, m_minHeight ); }
+ // Call these to override what GetBestSize() returns. This
+ // method is only virtual because it is overriden in wxTLW
+ // as a different API for SetSizeHints().
+ virtual void SetMinSize(const wxSize& minSize) { m_minWidth = minSize.x; m_minHeight = minSize.y; }
+ virtual void SetMaxSize(const wxSize& maxSize) { m_maxWidth = maxSize.x; m_maxHeight = maxSize.y; }
+
+ // Override these methods to impose restrictions on min/max size.
+ // The easier way is to call SetMinSize() and SetMaxSize() which
+ // will have the same effect. Doing both is non-sense.
+ virtual wxSize GetMinSize() const { return wxSize(m_minWidth, m_minHeight); }
+ virtual wxSize GetMaxSize() const { return wxSize(m_maxWidth, m_maxHeight); }
+
+ // Get the min and max values one by one
+ int GetMinWidth() const { return GetMinSize().x; }
+ int GetMinHeight() const { return GetMinSize().y; }
+ int GetMaxWidth() const { return GetMaxSize().x; }
+ int GetMaxHeight() const { return GetMaxSize().y; }
- 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
return wxSize( wxMax( client.x, best.x ), wxMax( client.y, best.y ) );
}
+ // return the size of the left/right and top/bottom borders in x and y
+ // components of the result respectively
+ virtual wxSize GetWindowBorderSize() const;
+
+
// window state
// ------------
bool Disable() { return Enable(false); }
virtual bool IsShown() const { return m_isShown; }
- virtual bool IsEnabled() const { return m_isEnabled; }
+ // returns true if the window is really enabled and false otherwise,
+ // whether because it had been explicitly disabled itself or because
+ // its parent is currently disabled -- then this method returns false
+ // whatever is the intrinsic state of this window, use IsThisEnabled(0
+ // to retrieve it. In other words, this relation always holds:
+ //
+ // IsEnabled() == IsThisEnabled() && parent.IsEnabled()
+ //
+ bool IsEnabled() const;
+
+ // returns the internal window state independently of the parent(s)
+ // state, i.e. the state in which the window would be if all its
+ // parents were enabled (use IsEnabled() above to get the effective
+ // window state)
+ bool IsThisEnabled() const { return m_isEnabled; }
// returns true if the window is visible, i.e. IsShown() returns true
// if called on it and all its parents up to the first TLW
void SetWindowStyle( long style ) { SetWindowStyleFlag(style); }
long GetWindowStyle() const { return GetWindowStyleFlag(); }
+ // check if the flag is set
bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; }
virtual bool IsRetained() const { return HasFlag(wxRETAINED); }
+ // turn the flag on if it had been turned off before and vice versa,
+ // return true if the flag is currently turned on
+ bool ToggleWindowStyle(int flag);
+
// extra style: the less often used style bits which can't be set with
// SetWindowStyleFlag()
virtual void SetExtraStyle(long exStyle) { m_exStyle = exStyle; }
static wxWindow *DoFindFocus() /* = 0: implement in derived classes */;
- // can this window have focus?
- virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); }
+ // can this window have focus in principle?
+ //
+ // the difference between AcceptsFocus[FromKeyboard]() and CanAcceptFocus
+ // [FromKeyboard]() is that the former functions are meant to be
+ // overridden in the derived classes to simply return false if the
+ // control can't have focus, while the latter are meant to be used by
+ // this class clients and take into account the current window state
+ virtual bool AcceptsFocus() const { return true; }
+
+ // can this window have focus right now?
+ bool CanAcceptFocus() const { return AcceptsFocus() && 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(); }
- // navigates in the specified direction by sending a wxNavigationKeyEvent
- virtual bool Navigate(int flags = wxNavigationKeyEvent::IsForward);
+ // can this window be assigned focus from keyboard right now?
+ bool CanAcceptFocusFromKeyboard() const
+ { return AcceptsFocusFromKeyboard() && CanAcceptFocus(); }
+
+ // call this when the return value of AcceptsFocus() changes
+ virtual void SetCanFocus(bool WXUNUSED(canFocus)) { }
+
+ // navigates inside this window
+ bool NavigateIn(int flags = wxNavigationKeyEvent::IsForward)
+ { return DoNavigateIn(flags); }
+
+ // navigates in the specified direction from this window, this is
+ // equivalent to GetParent()->NavigateIn()
+ bool Navigate(int flags = wxNavigationKeyEvent::IsForward)
+ { return m_parent && ((wxWindowBase *)m_parent)->DoNavigateIn(flags); }
// move this window just before/after the specified one in tab order
// (the other window must be our sibling!)
// adjust DC for drawing on this window
virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { }
+ // return true if the window contents is double buffered by the system
+ virtual bool IsDoubleBuffered() const { return false; }
+
// the update region of the window contains the areas which must be
// repainted by the program
const wxRegion& GetUpdateRegion() const { return m_updateRegion; }
const wxFont *theFont = (const wxFont *) NULL)
const = 0;
+ wxSize GetTextExtent(const wxString& string) const
+ {
+ wxCoord w, h;
+ GetTextExtent(string, &w, &h);
+ return wxSize(w, h);
+ }
+
// client <-> screen coords
// ------------------------
// behaviour in the most common case
virtual bool ShouldInheritColours() const { return false; }
+ // returns true if the window can be positioned outside of parent's client
+ // area (normal windows can't, but e.g. menubar or statusbar can):
+ virtual bool CanBeOutsideClientArea() const { return false; }
+
protected:
// event handling specific to wxWindow
virtual bool TryValidator(wxEvent& event);
};
virtual void DoMoveInTabOrder(wxWindow *win, MoveKind move);
+ // implementation of Navigate() and NavigateIn()
+ virtual bool DoNavigateIn(int flags);
+
+
#if wxUSE_CONSTRAINTS
// satisfy the constraints for the windows but don't set the window sizes
void SatisfyConstraints();
virtual wxWindow *GetMainWindowOfCompositeControl()
{ return (wxWindow*)this; }
+ // this method should be implemented to use operating system specific code
+ // to really enable/disable the widget, it will only be called when we
+ // really need to enable/disable window and so no additional checks on the
+ // widgets state are necessary
+ virtual void DoEnable(bool WXUNUSED(enable)) { }
+
+ // called when the on-screen widget state changes and provides an
+ // an opportunity for the widget to update its visual state (colours,
+ // fonts, anything else) as necessary
+ virtual void OnEnabled(bool WXUNUSED(enabled)) { }
+
+
// the window id - a number which uniquely identifies a window among
// its siblings unless it is wxID_ANY
wxWindowID m_windowId;
// recalculated each time the value is needed.
wxSize m_bestSizeCache;
- // keep the old name for compatibility, at least until all the internal
- // usages of it are changed to SetBestFittingSize
- void SetBestSize(const wxSize& size) { SetBestFittingSize(size); }
-
- // set the initial window size if none is given (i.e. at least one of the
- // components of the size passed to ctor/Create() is wxDefaultCoord)
- //
- // normally just calls SetBestSize() for controls, but can be overridden
- // not to do it for the controls which have to do some additional
- // initialization (e.g. add strings to list box) before their best size
- // can be accurately calculated
- virtual void SetInitialBestSize(const wxSize& WXUNUSED(size)) {}
+ wxDEPRECATED( void SetBestSize(const wxSize& size) ); // use SetInitialSize
+ wxDEPRECATED( virtual void SetInitialBestSize(const wxSize& size) ); // use SetInitialSize
static void NotifyCaptureLost();
private:
+ // recursively call our own and our children OnEnabled() when the
+ // enabled/disabled status changed because a parent window had been
+ // enabled/disabled
+ void NotifyWindowOnEnableChange(bool enabled);
+
+
// contains the last id generated by NewControlId
static int ms_lastControlId;
DECLARE_EVENT_TABLE()
};
+
+
+// Inlines for some deprecated methods
+inline wxSize wxWindowBase::GetBestFittingSize() const
+{
+ return GetEffectiveMinSize();
+}
+
+inline void wxWindowBase::SetBestFittingSize(const wxSize& size)
+{
+ SetInitialSize(size);
+}
+
+inline void wxWindowBase::SetBestSize(const wxSize& size)
+{
+ SetInitialSize(size);
+}
+
+inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
+{
+ SetInitialSize(size);
+}
+
+
// ----------------------------------------------------------------------------
// now include the declaration of wxWindow class
// ----------------------------------------------------------------------------
// If this object has the focus, child should be 'this'.
virtual wxAccStatus GetFocus(int* childId, wxAccessible** child);
+#if wxUSE_VARIANT
// Gets a variant representing the selected children
// of this object.
// Acceptable values:
// or 0 if this object is selected (GetType() == wxT("long")
// - a "void*" pointer to a wxAccessible child object
virtual wxAccStatus GetSelections(wxVariant* selections);
+#endif // wxUSE_VARIANT
};
#endif // wxUSE_ACCESSIBILITY
projects / wxWidgets.git / blobdiff