#define wxUSE_MENUS_NATIVE wxUSE_MENUS
#endif // __WXUNIVERSAL__/!__WXUNIVERSAL__
+
+// Define this macro if the corresponding operating system handles the state
+// of children windows automatically when the parent is enabled/disabled.
+// Otherwise wx itself must ensure that when the parent is disabled its
+// children are disabled too, and their initial state is restored when the
+// parent is enabled back.
+#if defined(__WXMSW__) || defined(__WXPM__)
+ // must do everything ourselves
+ #undef wxHAS_NATIVE_ENABLED_MANAGEMENT
+#else
+ #define wxHAS_NATIVE_ENABLED_MANAGEMENT
+#endif
+
// ----------------------------------------------------------------------------
// forward declarations
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxCaret;
-class WXDLLEXPORT wxControl;
-class WXDLLEXPORT wxCursor;
-class WXDLLEXPORT wxDC;
-class WXDLLEXPORT wxDropTarget;
-class WXDLLEXPORT wxItemResource;
-class WXDLLEXPORT wxLayoutConstraints;
-class WXDLLEXPORT wxResourceTable;
-class WXDLLEXPORT wxSizer;
-class WXDLLEXPORT wxToolTip;
-class WXDLLEXPORT wxWindowBase;
-class WXDLLEXPORT wxWindow;
-class WXDLLEXPORT wxScrollHelper;
+class WXDLLIMPEXP_FWD_CORE wxCaret;
+class WXDLLIMPEXP_FWD_CORE wxControl;
+class WXDLLIMPEXP_FWD_CORE wxCursor;
+class WXDLLIMPEXP_FWD_CORE wxDC;
+class WXDLLIMPEXP_FWD_CORE wxDropTarget;
+class WXDLLIMPEXP_FWD_CORE wxLayoutConstraints;
+class WXDLLIMPEXP_FWD_CORE wxSizer;
+class WXDLLIMPEXP_FWD_CORE wxToolTip;
+class WXDLLIMPEXP_FWD_CORE wxWindowBase;
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxScrollHelper;
#if wxUSE_ACCESSIBILITY
-class WXDLLEXPORT wxAccessible;
+class WXDLLIMPEXP_FWD_CORE wxAccessible;
#endif
// ----------------------------------------------------------------------------
#define wxWINDOW_DEFAULT_VARIANT wxT("window-default-variant")
#endif
+// valid values for Show/HideWithEffect()
+enum wxShowEffect
+{
+ wxSHOW_EFFECT_ROLL,
+ wxSHOW_EFFECT_SLIDE,
+ wxSHOW_EFFECT_BLEND,
+ wxSHOW_EFFECT_EXPAND,
+ wxSHOW_EFFECT_MAX
+};
+
// ----------------------------------------------------------------------------
// (pseudo)template list classes
// ----------------------------------------------------------------------------
wxWindowVariant GetWindowVariant() const { return m_windowVariant; }
- // window id uniquely identifies the window among its siblings unless
- // it is wxID_ANY which means "don't care"
- void SetId( wxWindowID winid ) { m_windowId = winid; }
- wxWindowID GetId() const { return m_windowId; }
-
// get or change the layout direction (LTR or RTL) for this window,
// wxLayout_Default is returned if layout direction is not supported
virtual wxLayoutDirection GetLayoutDirection() const
wxCoord width,
wxCoord widthTotal) const;
- // generate a control id for the controls which were not given one by
- // user
- static int NewControlId() { return --ms_lastControlId; }
- // get the id of the control following the one with the given
- // (autogenerated) id
- static int NextControlId(int winid) { return winid - 1; }
- // get the id of the control preceding the one with the given
- // (autogenerated) id
- static int PrevControlId(int winid) { return winid + 1; }
+
+ // window id uniquely identifies the window among its siblings unless
+ // it is wxID_ANY which means "don't care"
+ void SetId( wxWindowID winid ) { m_windowId = winid; }
+ wxWindowID GetId() const { return m_windowId; }
+
+ // returns true if this id value belong to the range reserved for the
+ // auto-generated (by NewControlId()) ids (they're always negative)
+ static bool IsAutoGeneratedId(wxWindowID id);
+
+ // generate a unique id (or count of them consecutively), returns a
+ // valid id in IsAutoGeneratedId() range or wxID_NONE if failed
+ static wxWindowID NewControlId(int count = 1);
+
+ // mark an id previously returned by NewControlId() as being unused any
+ // more so that it can be reused again for another control later
+ static void ReleaseControlId(wxWindowID id);
+
// moving/resizing
// ---------------
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
// wxCENTER_ON_SCREEN flag is given
// 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 )
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, int maxH,
- int incW, int incH );
-
// Methods for setting virtual size hints
// FIXME: What are virtual size hints?
}
- // Call these to override what GetBestSize() returns. This
+ // 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
+ // 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); }
// components of the result respectively
virtual wxSize GetWindowBorderSize() const;
+ // wxSizer and friends use this to give a chance to a component to recalc
+ // its min size once one of the final size components is known. Override
+ // this function when that is useful (such as for wxStaticText which can
+ // stretch over several lines). Parameter availableOtherDir
+ // tells the item how much more space there is available in the opposite
+ // direction (-1 if unknown).
+ virtual bool InformFirstDirection( int WXUNUSED(direction), int WXUNUSED(size), int WXUNUSED(availableOtherDir) )
+ { return false; }
// window state
// ------------
virtual bool Show( bool show = true );
bool Hide() { return Show(false); }
+ // show or hide the window with a special effect, not implemented on
+ // most platforms (where it is the same as Show()/Hide() respectively)
+ //
+ // timeout specifies how long the animation should take, in ms, the
+ // default value of 0 means to use the default (system-dependent) value
+ //
+ // direction is only used with wxSHOW_EFFECT_ROLL and SLIDE values
+ virtual bool ShowWithEffect(wxShowEffect effect,
+ unsigned timeout = 0,
+ wxDirection dir = wxBOTTOM)
+ {
+ wxUnusedVar(effect);
+ wxUnusedVar(timeout);
+ wxUnusedVar(dir);
+
+ return Show();
+ }
+
+ virtual bool HideWithEffect(wxShowEffect effect,
+ unsigned timeout = 0,
+ wxDirection dir = wxBOTTOM)
+ {
+ wxUnusedVar(effect);
+ wxUnusedVar(timeout);
+ wxUnusedVar(dir);
+
+ return Hide();
+ }
+
// returns true if window was enabled/disabled, false if nothing done
virtual bool Enable( bool enable = true );
bool Disable() { return Enable(false); }
virtual bool IsShown() const { return m_isShown; }
- virtual bool IsEnabled() const { return m_isEnabled; }
+ // returns true if the window is really enabled and false otherwise,
+ // whether because it had been explicitly disabled itself or because
+ // its parent is currently disabled -- then this method returns false
+ // whatever is the intrinsic state of this window, use IsThisEnabled(0
+ // to retrieve it. In other words, this relation always holds:
+ //
+ // IsEnabled() == IsThisEnabled() && parent.IsEnabled()
+ //
+ bool IsEnabled() const;
+
+ // returns the internal window state independently of the parent(s)
+ // state, i.e. the state in which the window would be if all its
+ // parents were enabled (use IsEnabled() above to get the effective
+ // window state)
+ bool IsThisEnabled() const { return m_isEnabled; }
// returns true if the window is visible, i.e. IsShown() returns true
// if called on it and all its parents up to the first TLW
virtual void SetExtraStyle(long exStyle) { m_exStyle = exStyle; }
long GetExtraStyle() const { return m_exStyle; }
+ bool HasExtraStyle(int exFlag) const { return (m_exStyle & exFlag) != 0; }
+
// make the window modal (all other windows unresponsive)
virtual void MakeModal(bool modal = true);
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 or one of its children accept focus?
+ //
+ // usually it's the same as AcceptsFocus() but is overridden for
+ // container windows
+ virtual bool AcceptsFocusRecursively() const { return AcceptsFocus(); }
// can this window be given focus by keyboard navigation? if not, the
// only way to give it focus (provided it accepts it at all) is to
// click it
virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); }
- // navigates in the specified direction by sending a wxNavigationKeyEvent
- virtual bool Navigate(int flags = wxNavigationKeyEvent::IsForward);
+
+ // this is mostly a helper for the various functions using it below
+ bool CanBeFocused() const { return IsShown() && IsEnabled(); }
+
+ // can this window itself have focus?
+ bool IsFocusable() const { return AcceptsFocus() && CanBeFocused(); }
+
+ // can this window have focus right now?
+ //
+ // if this method returns true, it means that calling SetFocus() will
+ // put focus either to this window or one of its children, if you need
+ // to know whether this window accepts focus itself, use IsFocusable()
+ bool CanAcceptFocus() const
+ { return AcceptsFocusRecursively() && CanBeFocused(); }
+
+ // can this window be assigned focus from keyboard right now?
+ bool CanAcceptFocusFromKeyboard() const
+ { return AcceptsFocusFromKeyboard() && CanBeFocused(); }
+
+ // call this when the return value of AcceptsFocus() changes
+ virtual void SetCanFocus(bool WXUNUSED(canFocus)) { }
+
+ // navigates inside this window
+ bool NavigateIn(int flags = wxNavigationKeyEvent::IsForward)
+ { return DoNavigateIn(flags); }
+
+ // navigates in the specified direction from this window, this is
+ // equivalent to GetParent()->NavigateIn()
+ bool Navigate(int flags = wxNavigationKeyEvent::IsForward)
+ { return m_parent && ((wxWindowBase *)m_parent)->DoNavigateIn(flags); }
// move this window just before/after the specified one in tab order
// (the other window must be our sibling!)
void MoveBeforeInTabOrder(wxWindow *win)
- { DoMoveInTabOrder(win, MoveBefore); }
+ { DoMoveInTabOrder(win, OrderBefore); }
void MoveAfterInTabOrder(wxWindow *win)
- { DoMoveInTabOrder(win, MoveAfter); }
+ { DoMoveInTabOrder(win, OrderAfter); }
// parent/children relations
// needed just for extended runtime
const wxWindowList& GetWindowChildren() const { return GetChildren() ; }
+ // get the window before/after this one in the parents children list,
+ // returns NULL if this is the first/last window
+ wxWindow *GetPrevSibling() const { return DoGetSibling(OrderBefore); }
+ wxWindow *GetNextSibling() const { return DoGetSibling(OrderAfter); }
+
// get the parent or the parent of the parent
wxWindow *GetParent() const { return m_parent; }
inline wxWindow *GetGrandParent() const;
virtual void AddChild( wxWindowBase *child );
virtual void RemoveChild( wxWindowBase *child );
+ // returns true if the child is in the client area of the window, i.e. is
+ // not scrollbar, toolbar etc.
+ virtual bool IsClientAreaChild(const wxWindow *WXUNUSED(child)) const
+ { return true; }
+
// looking for windows
// -------------------
// be there)
bool RemoveEventHandler(wxEvtHandler *handler);
+ // Process an event by calling GetEventHandler()->ProcessEvent() and
+ // handling any exceptions thrown by event handlers. It's mostly useful
+ // when processing wx events when called from C code (e.g. in GTK+
+ // callback) when the exception wouldn't correctly propagate to
+ // wxEventLoop.
+ bool HandleWindowEvent(wxEvent& event) const;
+
// validators
// ----------
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
// ------------------------
virtual void DoUpdateWindowUI(wxUpdateUIEvent& event) ;
#if wxUSE_MENUS
+ // show popup menu at the given position, generate events for the items
+ // selected in it
bool PopupMenu(wxMenu *menu, const wxPoint& pos = wxDefaultPosition)
{ return DoPopupMenu(menu, pos.x, pos.y); }
bool PopupMenu(wxMenu *menu, int x, int y)
{ return DoPopupMenu(menu, x, y); }
+
+ // simply return the id of the selected item or wxID_NONE without
+ // generating any events
+ int GetPopupMenuSelectionFromUser(wxMenu& menu, const wxPoint& pos)
+ { return DoGetPopupMenuSelectionFromUser(menu, pos.x, pos.y); }
+ int GetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
+ { return DoGetPopupMenuSelectionFromUser(menu, x, y); }
#endif // wxUSE_MENUS
// override this method to return true for controls having multiple pages
bool PageUp() { return ScrollPages(-1); }
bool PageDown() { return ScrollPages(1); }
+ // call this to always show one or both scrollbars, even if the window
+ // is big enough to not require them
+ virtual void AlwaysShowScrollbars(bool WXUNUSED(horz) = true,
+ bool WXUNUSED(vert) = true)
+ {
+ }
+
+ // return true if AlwaysShowScrollbars() had been called before for the
+ // corresponding orientation
+ virtual bool IsScrollbarAlwaysShown(int WXUNUSED(orient)) const
+ {
+ return false;
+ }
+
// context-sensitive help
// ----------------------
void SetAccessible(wxAccessible* accessible) ;
// Returns the accessible object.
- wxAccessible* GetAccessible() { return m_accessible; };
+ wxAccessible* GetAccessible() { return m_accessible; }
// Returns the accessible object, creating if necessary.
wxAccessible* GetOrCreateAccessible() ;
// behaviour in the most common case
virtual bool ShouldInheritColours() const { return false; }
+ // returns true if the window can be positioned outside of parent's client
+ // area (normal windows can't, but e.g. menubar or statusbar can):
+ virtual bool CanBeOutsideClientArea() const { return false; }
+
+ // returns true if the platform should explicitly apply a theme border. Currently
+ // used only by Windows
+ virtual bool CanApplyThemeBorder() const { return true; }
+
protected:
// event handling specific to wxWindow
virtual bool TryValidator(wxEvent& event);
virtual bool TryParent(wxEvent& event);
- // common part of MoveBefore/AfterInTabOrder()
- enum MoveKind
+ enum WindowOrder
{
- MoveBefore, // insert before the given window
- MoveAfter // insert after the given window
+ OrderBefore, // insert before the given window
+ OrderAfter // insert after the given window
};
- virtual void DoMoveInTabOrder(wxWindow *win, MoveKind move);
+
+ // common part of GetPrev/NextSibling()
+ wxWindow *DoGetSibling(WindowOrder order) const;
+
+ // common part of MoveBefore/AfterInTabOrder()
+ virtual void DoMoveInTabOrder(wxWindow *win, WindowOrder move);
+
+ // implementation of Navigate() and NavigateIn()
+ virtual bool DoNavigateIn(int flags);
#if wxUSE_CONSTRAINTS
// satisfy the constraints for the windows but don't set the window sizes
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;
// Layout() window automatically when its size changes?
bool m_autoLayout:1;
+ // true if we had automatically allocated the id value for this window
+ // (i.e. wxID_ANY had been passed to the ctor)
+ bool m_freeId:1;
+
// window state
bool m_isShown:1;
bool m_isEnabled:1;
// specified) border for the window class
virtual wxBorder GetDefaultBorder() const;
+ // this allows you to implement standard control borders without
+ // repeating the code in different classes that are not derived from
+ // wxControl
+ virtual wxBorder GetDefaultBorderForControl() const { return wxBORDER_THEME; }
+
// Get the default size for the new window if no explicit size given. TLWs
// have their own default size so this is just for non top-level windows.
static int WidthDefault(int w) { return w == wxDefaultCoord ? 20 : w; }
// same as DoSetSize() for the client size
virtual void DoSetClientSize(int width, int height) = 0;
+ virtual void DoSetSizeHints( int minW, int minH,
+ int maxW, int maxH,
+ int incW, int incH );
+
// 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
static void NotifyCaptureLost();
private:
- // contains the last id generated by NewControlId
- static int ms_lastControlId;
+ // recursively call our own and our children OnEnabled() when the
+ // enabled/disabled status changed because a parent window had been
+ // enabled/disabled
+ void NotifyWindowOnEnableChange(bool enabled);
+
+#if wxUSE_MENUS
+ // temporary event handler used by GetPopupMenuSelectionFromUser()
+ void InternalOnPopupMenu(wxCommandEvent& event);
+
+ // implementation of the public GetPopupMenuSelectionFromUser() method
+ int DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
+#endif // wxUSE_MENUS
// the stack of windows which have captured the mouse
- static struct WXDLLEXPORT wxWindowNext *ms_winCaptureNext;
+ static struct WXDLLIMPEXP_FWD_CORE wxWindowNext *ms_winCaptureNext;
// the window that currently has mouse capture
static wxWindow *ms_winCaptureCurrent;
// indicates if execution is inside CaptureMouse/ReleaseMouse
projects / wxWidgets.git / blobdiff