// Modified by: Ron Lee
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) wxWidgets 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
// ----------------------------------------------------------------------------
#include "wx/colour.h"
#include "wx/region.h"
#include "wx/utils.h"
+#include "wx/intl.h"
#include "wx/validate.h" // for wxDefaultValidator (always include it)
// 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__
+
+
+// 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 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
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// struct containing all the visual attributes of a control
-struct WXDLLEXPORT wxVisualAttributes
+struct WXDLLIMPEXP_CORE wxVisualAttributes
{
// the font used for control label/text inside it
wxFont font;
#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
// ----------------------------------------------------------------------------
-WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLEXPORT);
+WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLIMPEXP_CORE);
// ----------------------------------------------------------------------------
// global variables
// ----------------------------------------------------------------------------
-WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows;
+extern WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
+extern WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete;
// ----------------------------------------------------------------------------
// wxWindowBase is the base class for all GUI controls/widgets, this is the public
// temporarily switches event handlers).
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxWindowBase : public wxEvtHandler
+class WXDLLIMPEXP_CORE wxWindowBase : public wxEvtHandler
{
public:
// creating the window
// window attributes
// -----------------
- // 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).
-
- // 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 ; }
+ // sets the window variant, calls internally DoSetVariant if variant
+ // has changed
+ void SetWindowVariant(wxWindowVariant variant);
+ wxWindowVariant GetWindowVariant() const { return m_windowVariant; }
+
+
+ // 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
+ { return wxLayout_Default; }
+ virtual void SetLayoutDirection(wxLayoutDirection WXUNUSED(dir))
+ { }
+
+ // mirror coordinates for RTL layout if this window uses it and if the
+ // mirroring is not done automatically like Win32
+ virtual wxCoord AdjustForLayoutDirection(wxCoord x,
+ wxCoord width,
+ wxCoord widthTotal) const;
// window id uniquely identifies the window among its siblings unless
void SetId( wxWindowID winid ) { m_windowId = winid; }
wxWindowID GetId() const { return m_windowId; }
- // generate a control id for the controls which were not given one by
- // 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; }
+ // generate a unique id (or count of them consecutively), returns a
+ // valid id in the auto-id range or wxID_NONE if failed. If using
+ // autoid management, it will mark the id as reserved until it is
+ // used (by assigning it to a wxWindowIDRef) or unreserved.
+ static wxWindowID NewControlId(int count = 1)
+ {
+ return wxIdManager::ReserveId(count);
+ }
+
+ // If an ID generated from NewControlId is not assigned to a wxWindowIDRef,
+ // it must be unreserved
+ static void UnreserveControlId(wxWindowID id, int count = 1)
+ {
+ wxIdManager::UnreserveId(id, count);
+ }
+
// moving/resizing
// ---------------
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;
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
{
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
return wxRect(GetClientAreaOrigin(), GetClientSize());
}
+ // client<->window size conversion
+ virtual wxSize ClientToWindowSize(const wxSize& size) const;
+ virtual wxSize WindowToClientSize(const wxSize& size) const;
+
// get the size best suited for the window (in fact, minimal
// acceptable size using which it will still look "nice" in
// most situations)
*h = s.y;
}
+ void SetScrollHelper( wxScrollHelper *sh ) { m_scrollHelper = sh; }
+ wxScrollHelper *GetScrollHelper() { return m_scrollHelper; }
+
// 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
- // (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
// 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
// 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 = wxDefaultCoord, int maxH = wxDefaultCoord,
- int incW = wxDefaultCoord, int incH = wxDefaultCoord );
- virtual void SetVirtualSizeHints( int minW, int minH,
- int maxW = wxDefaultCoord, int maxH = wxDefaultCoord );
- void SetVirtualSizeHints( const wxSize& minSize,
- const wxSize& maxSize=wxDefaultSize)
- {
- SetVirtualSizeHints(minSize.x, minSize.y, maxSize.x, maxSize.y);
- }
+#if WXWIN_COMPATIBILITY_2_8
+ // these are useless and do nothing since wxWidgets 2.9
+ wxDEPRECATED( virtual void SetVirtualSizeHints( int minW, int minH,
+ int maxW = wxDefaultCoord, int maxH = wxDefaultCoord ) );
+ wxDEPRECATED( void SetVirtualSizeHints( const wxSize& minSize,
+ const wxSize& maxSize=wxDefaultSize) );
+#endif // WXWIN_COMPATIBILITY_2_8
- 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; }
+
+ // Like Set*Size, but for client, not window, size
+ virtual void SetMinClientSize(const wxSize& size)
+ { SetMinSize(ClientToWindowSize(size)); }
+ virtual void SetMaxClientSize(const wxSize& size)
+ { SetMaxSize(ClientToWindowSize(size)); }
+
+ // 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); }
+
+ // Like Get*Size, but for client, not window, size
+ virtual wxSize GetMinClientSize() const
+ { return WindowToClientSize(GetMinSize()); }
+ virtual wxSize GetMaxClientSize() const
+ { return WindowToClientSize(GetMaxSize()); }
+
+ // 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
// 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)
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;
+
+ // 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; }
- 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 bool IsShownOnScreen() const;
// get/set window style (setting style won't update the window and so
// is only useful for internal usage)
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; }
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);
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 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 */ }
-
// focus and keyboard handling
// ---------------------------
static wxWindow *DoFindFocus() /* = 0: implement in derived classes */;
- // can this window have focus?
- virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); }
+ // return true if the window has focus (handles composite windows
+ // correctly - returns true if GetMainWindowOfCompositeControl()
+ // has focus)
+ virtual bool HasFocus() const;
+
+ // 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(); }
- // NB: these methods really don't belong here but with the current
- // class hierarchy there is no other place for them :-(
- // get the default child of this parent, i.e. the one which is
- // activated by pressing <Enter>
- virtual wxWindow *GetDefaultItem() const { return NULL; }
+ // 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(); }
- // set this child as default, return the old default
- virtual wxWindow *SetDefaultItem(wxWindow * WXUNUSED(child))
- { return NULL; }
+ // 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(); }
- // set this child as temporary default
- virtual void SetTmpDefaultItem(wxWindow * WXUNUSED(win)) { }
+ // can this window be assigned focus from keyboard right now?
+ bool CanAcceptFocusFromKeyboard() const
+ { return AcceptsFocusFromKeyboard() && CanBeFocused(); }
- // navigates in the specified direction by sending a wxNavigationKeyEvent
- virtual bool Navigate(int flags = wxNavigationKeyEvent::IsForward);
+ // 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); }
+
+ // this function will generate the appropriate call to Navigate() if the
+ // key event is one normally used for keyboard navigation and return true
+ // in this case
+ bool HandleAsNavigationKey(const wxKeyEvent& event);
// 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 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() { }
virtual void ClearBackground();
// freeze the window: don't redraw it until it is thawed
- virtual void Freeze() { }
+ void Freeze();
// thaw the window: redraw it after it had been frozen
- virtual void Thaw() { }
+ void Thaw();
+
+ // return true if window had been frozen and not unthawed yet
+ bool IsFrozen() const { return m_freezeCount != 0; }
// 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; }
// these functions verify whether the given point/rectangle belongs to
// (or at least intersects with) the update region
- bool IsExposed( int x, int y ) const;
- bool IsExposed( int x, int y, int w, int h ) const;
+ virtual bool DoIsExposed( int x, int y ) const;
+ virtual bool DoIsExposed( int x, int y, int w, int h ) const;
+ bool IsExposed( int x, int y ) const
+ { return DoIsExposed(x, y); }
+ bool IsExposed( int x, int y, int w, int h ) const
+ { return DoIsExposed(x, y, w, h); }
bool IsExposed( const wxPoint& pt ) const
- { return IsExposed(pt.x, pt.y); }
+ { return DoIsExposed(pt.x, pt.y); }
bool IsExposed( const wxRect& rect ) const
- { return IsExposed(rect.x, rect.y, rect.width, rect.height); }
+ { return DoIsExposed(rect.x, rect.y, rect.width, rect.height); }
// colours, fonts and cursors
// --------------------------
m_inheritBgCol = false;
}
wxColour GetBackgroundColour() const;
-
- // if the window shouldn't inherit its colour from the parent, override
- // this function to return true
- //
- // this is currently only used by wxMSW and wxUniv but should be useful for
- // the other ports too
- virtual bool ProvidesBackground() const { return false; }
+ bool InheritsBackgroundColour() const
+ {
+ return m_inheritBgCol;
+ }
+ bool UseBgCol() const
+ {
+ return m_hasBgCol;
+ }
virtual bool SetForegroundColour(const wxColour& colour);
void SetOwnForegroundColour(const wxColour& colour)
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); }
+ { return PopupMenu(menu, pos.x, pos.y); }
+ bool PopupMenu(wxMenu *menu, int x, int 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
+ virtual bool HasMultiplePages() const { return false; }
+
+
// scrollbars
// ----------
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
// ----------------------
#if wxUSE_HELP
// associate this help text with this window
void SetHelpText(const wxString& text);
- // associate this help text with all windows with the same id as this
- // one
- void SetHelpTextForId(const wxString& text);
- // get the help string associated with this window (may be empty)
- wxString GetHelpText() const;
+
+#if WXWIN_COMPATIBILITY_2_8
+ // Associate this help text with all windows with the same id as this one.
+ // Don't use this, do wxHelpProvider::Get()->AddHelp(id, text);
+ wxDEPRECATED( void SetHelpTextForId(const wxString& text) );
+#endif // WXWIN_COMPATIBILITY_2_8
+
+ // 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
void DeleteRelatedConstraints();
void ResetConstraints();
- // these methods may be overriden for special layout algorithms
+ // 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);
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() ;
#endif
+
+ // Set window transparency if the platform supports it
+ virtual bool SetTransparent(wxByte WXUNUSED(alpha)) { return false; }
+ virtual bool CanSetTransparent() { return false; }
+
+
// implementation
// --------------
// 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;
+ wxWindowIDRef m_windowId;
// the parent window of this window (or NULL) and the list of the children
// of this window
// Virtual size (scrolling)
wxSize m_virtualSize;
- int m_minVirtualWidth; // VirtualSizeHints
- int m_minVirtualHeight;
- int m_maxVirtualWidth;
- int m_maxVirtualHeight;
+ wxScrollHelper *m_scrollHelper;
wxWindowVariant m_windowVariant ;
// 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; }
// 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
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 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
// arrange themselves inside the given rectangle
+ //
+ // Important note: the coordinates passed to this method are in parent's
+ // *window* coordinates and not parent's client coordinates (as the values
+ // passed to DoSetSize and returned by DoGetPosition are)!
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
// implements the window variants
virtual void DoSetWindowVariant( wxWindowVariant variant ) ;
+
+ // really freeze/thaw the window (should have port-specific implementation)
+ virtual void DoFreeze() { }
+ virtual void DoThaw() { }
+
+
+ // 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;
+ // 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
+ static bool ms_winCaptureChanging;
+
+
+ // number of Freeze() calls minus the number of Thaw() calls: we're frozen
+ // (i.e. not being updated) if it is positive
+ unsigned int m_freezeCount;
+
DECLARE_ABSTRACT_CLASS(wxWindowBase)
DECLARE_NO_COPY_CLASS(wxWindowBase)
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
// ----------------------------------------------------------------------------
#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
#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
#endif // wxUniv
#include "wx/x11/window.h"
#elif defined(__WXMGL__)
- #ifdef __WXUNIVERSAL__
- #define wxWindowNative wxWindowMGL
- #else // !wxUniv
- #define wxWindowMGL wxWindow
- #endif // wxUniv
+ #define wxWindowNative wxWindowMGL
#include "wx/mgl/window.h"
+#elif defined(__WXDFB__)
+ #define wxWindowNative wxWindowDFB
+ #include "wx/dfb/window.h"
#elif defined(__WXMAC__)
#ifdef __WXUNIVERSAL__
#define wxWindowNative wxWindowMac
// Find the wxWindow at the current mouse position, also returning the mouse
// position.
-WXDLLEXPORT extern wxWindow* wxFindWindowAtPointer(wxPoint& pt);
+extern WXDLLIMPEXP_CORE wxWindow* wxFindWindowAtPointer(wxPoint& pt);
// Get the current mouse position.
-WXDLLEXPORT extern wxPoint wxGetMousePosition();
+extern WXDLLIMPEXP_CORE wxPoint wxGetMousePosition();
// get the currently active window of this application or NULL
-WXDLLEXPORT extern wxWindow *wxGetActiveWindow();
+extern WXDLLIMPEXP_CORE wxWindow *wxGetActiveWindow();
// get the (first) top level parent window
-WXDLLEXPORT wxWindow* wxGetTopLevelParent(wxWindow *win);
+WXDLLIMPEXP_CORE 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( wxWindowID NewControlId() );
+ inline wxWindowID NewControlId() { return wxWindowBase::NewControlId(); }
+#endif // WXWIN_COMPATIBILITY_2_6
#if wxUSE_ACCESSIBILITY
// ----------------------------------------------------------------------------
// accessible object for windows
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxWindowAccessible: public wxAccessible
+class WXDLLIMPEXP_CORE wxWindowAccessible: public wxAccessible
{
public:
wxWindowAccessible(wxWindow* win): wxAccessible(win) { if (win) win->SetAccessible(this); }
// 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
-#endif
- // _WX_WINDOW_H_BASE_
-
+#endif // _WX_WINDOW_H_BASE_
projects / wxWidgets.git / blobdiff