// Modified by: Ron Lee
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) wxWindows team
+// Copyright: (c) Vadim Zeitlin
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_WINDOW_H_BASE_
#define _WX_WINDOW_H_BASE_
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma interface "windowbase.h"
-#endif
-
// ----------------------------------------------------------------------------
// headers which we must include here
// ----------------------------------------------------------------------------
#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
+
+// ----------------------------------------------------------------------------
+// helper stuff used by wxWindow
+// ----------------------------------------------------------------------------
+
+// struct containing all the visual attributes of a control
+struct WXDLLIMPEXP_CORE 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
+// valid values for Show/HideWithEffect()
+enum wxShowEffect
+{
+ wxSHOW_EFFECT_NONE,
+ wxSHOW_EFFECT_ROLL_TO_LEFT,
+ wxSHOW_EFFECT_ROLL_TO_RIGHT,
+ wxSHOW_EFFECT_ROLL_TO_TOP,
+ wxSHOW_EFFECT_ROLL_TO_BOTTOM,
+ wxSHOW_EFFECT_SLIDE_TO_LEFT,
+ wxSHOW_EFFECT_SLIDE_TO_RIGHT,
+ wxSHOW_EFFECT_SLIDE_TO_TOP,
+ wxSHOW_EFFECT_SLIDE_TO_BOTTOM,
+ wxSHOW_EFFECT_BLEND,
+ wxSHOW_EFFECT_EXPAND,
+ wxSHOW_EFFECT_MAX
+};
+
+// flags for SendSizeEvent()
+enum
+{
+ wxSEND_EVENT_POST = 1
+};
+
// ----------------------------------------------------------------------------
// (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;
+
+// declared here for compatibility only, main declaration is in wx/app.h
+extern WXDLLIMPEXP_DATA_BASE(wxList) wxPendingDelete;
// ----------------------------------------------------------------------------
// wxWindowBase is the base class for all GUI controls/widgets, this is the public
// 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
+class WXDLLIMPEXP_CORE wxWindowBase : public wxEvtHandler
{
public:
// creating the window
// Create()
wxWindowBase() ;
- // pseudo ctor (can't be virtual, called from ctor)
- bool CreateBase(wxWindowBase *parent,
- wxWindowID winid,
- const wxPoint& pos = wxDefaultPosition,
- const wxSize& size = wxDefaultSize,
- long style = 0,
- const wxValidator& validator = wxDefaultValidator,
- const wxString& name = wxPanelNameStr);
-
virtual ~wxWindowBase();
// deleting the window
bool DestroyChildren();
// is the window being deleted?
- bool IsBeingDeleted() const { return m_isBeingDeleted; }
+ bool IsBeingDeleted() const;
// window attributes
// -----------------
- // NB: in future versions of wxWindows Set/GetTitle() will only work
- // with the top level windows (such as dialogs and frames) and
- // Set/GetLabel() only with the other ones (i.e. all controls).
-
- // the title (or label, see below) of the window: the text which the
- // window shows
- virtual void SetTitle( const wxString& WXUNUSED(title) ) {}
- virtual wxString GetTitle() const { return wxEmptyString; }
-
// label is just the same as the title (but for, e.g., buttons it
- // makes more sense to speak about labels)
- virtual void SetLabel(const wxString& label) { SetTitle(label); }
- virtual wxString GetLabel() const { return GetTitle(); }
+ // makes more sense to speak about labels), title access
+ // is available from wxTLW classes only (frames, dialogs)
+ virtual void SetLabel(const wxString& label) = 0;
+ virtual wxString GetLabel() const = 0;
// the window name is used for ressource setting in X, it is not the
// same as the window title/label
virtual void SetName( const wxString &name ) { m_windowName = name; }
virtual wxString GetName() const { return m_windowName; }
- // sets the window variant, calls internally DoSetVariant if variant has changed
- void SetWindowVariant( wxWindowVariant variant ) ;
- wxWindowVariant GetWindowVariant() const { return m_windowVariant ; }
-
+ // 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
- // 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; }
- // 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
// ---------------
{ 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); }
{ DoSetSize(rect.x, rect.y, rect.width, rect.height, sizeFlags); }
void Move(int x, int y, int flags = wxSIZE_USE_EXISTING)
- { DoSetSize(x, y, -1, -1, flags); }
+ { DoSetSize(x, y, wxDefaultCoord, wxDefaultCoord, flags); }
void Move(const wxPoint& pt, int flags = wxSIZE_USE_EXISTING)
{ Move(pt.x, pt.y, flags); }
+ void SetPosition(const wxPoint& pt) { Move(pt); }
+
// Z-order
virtual void Raise() = 0;
virtual void Lower() = 0;
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")
- wxSize GetBestSize() const { return DoGetBestSize(); }
+ // acceptable size using which it will still look "nice" in
+ // most situations)
+ wxSize GetBestSize() const;
+
void GetBestSize(int *w, int *h) const
{
- wxSize s = DoGetBestSize();
+ wxSize s = GetBestSize();
if ( w )
*w = s.x;
if ( h )
*h = s.y;
}
- // 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( DoGetBestSize() );
- return wxSize( wxMax( s.x, GetMinWidth() ), wxMax( s.y, GetMinHeight() ) );
- }
+ // Determine the best size in the other direction if one of them is
+ // fixed. This is used with windows that can wrap their contents and
+ // returns input-independent best size for the others.
+ int GetBestHeight(int width) const;
+ int GetBestWidth(int height) const;
+
+
+ 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; }
+
+
+ // 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.
+ virtual 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 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); }
+ void Centre(int dir = wxBOTH) { DoCentre(dir); }
+ void Center(int dir = wxBOTH) { DoCentre(dir); }
- // 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); }
-
- // centre with respect to the the parent window
- void CentreOnParent(int dir = wxBOTH) { Centre(dir | wxCENTER_FRAME); }
+ // centre with respect to the parent window
+ 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
- virtual void SetSizeHints( int minW, int minH,
- int maxW = -1, int maxH = -1,
- int incW = -1, int incH = -1 );
- virtual void SetVirtualSizeHints( int minW, int minH,
- int maxW = -1, int maxH = -1 );
+ // 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 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; }
+ 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); }
+
+ 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); }
+
+
+#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
+
+
+ // Call these to override what GetBestSize() returns. This
+ // method is only virtual because it is overridden in wxTLW
+ // as a different API for SetSizeHints().
+ virtual void SetMinSize(const wxSize& minSize);
+ virtual void SetMaxSize(const wxSize& maxSize);
+
+ // 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; }
- // Override this method to control the values given to Sizers etc.
- virtual wxSize GetMaxSize() const { return wxSize( m_maxWidth, m_maxHeight ); }
// Methods for accessing the virtual size of a window. For most
// windows this is just the client area of the window, but for
// some like scrolled windows it is more or less independent of
// the screen window size. You may override the DoXXXVirtual
- // methods below for classes where that is is the case.
+ // methods below for classes where that is the case.
void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); }
void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); }
// 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 ) );
}
+ // returns the magnification of the content of this window
+ // eg 2.0 for a window on a retina screen
+ virtual double GetContentScaleFactor() const
+ { return 1.0; }
+
+ // 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 direction, int size, int availableOtherDir);
+
+ // sends a size event to the window using its current size -- this has an
+ // effect of refreshing the window layout
+ //
+ // by default the event is sent, i.e. processed immediately, but if flags
+ // value includes wxSEND_EVENT_POST then it's posted, i.e. only schedule
+ // for later processing
+ virtual void SendSizeEvent(int flags = 0);
+
+ // this is a safe wrapper for GetParent()->SendSizeEvent(): it checks that
+ // we have a parent window and it's not in process of being deleted
+ //
+ // this is used by controls such as tool/status bars changes to which must
+ // also result in parent re-layout
+ void SendSizeEventToParent(int flags = 0);
+
+ // this is a more readable synonym for SendSizeEvent(wxSEND_EVENT_POST)
+ void PostSizeEvent() { SendSizeEvent(wxSEND_EVENT_POST); }
+
+ // this is the same as SendSizeEventToParent() but using PostSizeEvent()
+ void PostSizeEventToParent() { SendSizeEventToParent(wxSEND_EVENT_POST); }
+
+ // These functions should be used before repositioning the children of
+ // this window to reduce flicker or, in MSW case, even avoid display
+ // corruption in some situations (so they're more than just optimization).
+ //
+ // EndRepositioningChildren() should be called if and only if
+ // BeginRepositioningChildren() returns true. To ensure that this is always
+ // done automatically, use ChildrenRepositioningGuard class below.
+ virtual bool BeginRepositioningChildren() { return false; }
+ virtual void EndRepositioningChildren() { }
+
+ // A simple helper which ensures that EndRepositioningChildren() is called
+ // from its dtor if and only if calling BeginRepositioningChildren() from
+ // the ctor returned true.
+ class ChildrenRepositioningGuard
+ {
+ public:
+ // Notice that window can be NULL here, for convenience. In this case
+ // this class simply doesn't do anything.
+ wxEXPLICIT ChildrenRepositioningGuard(wxWindowBase* win)
+ : m_win(win),
+ m_callEnd(win && win->BeginRepositioningChildren())
+ {
+ }
+
+ ~ChildrenRepositioningGuard()
+ {
+ if ( m_callEnd )
+ m_win->EndRepositioningChildren();
+ }
+
+ private:
+ wxWindowBase* const m_win;
+ const bool m_callEnd;
+
+ wxDECLARE_NO_COPY_CLASS(ChildrenRepositioningGuard);
+ };
+
+
// 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
+ virtual bool ShowWithEffect(wxShowEffect WXUNUSED(effect),
+ unsigned WXUNUSED(timeout) = 0)
+ {
+ return Show();
+ }
+
+ virtual bool HideWithEffect(wxShowEffect WXUNUSED(effect),
+ unsigned WXUNUSED(timeout) = 0)
+ {
+ return Hide();
+ }
+
// returns true if window was enabled/disabled, false if nothing done
virtual bool Enable( bool enable = true );
bool Disable() { return Enable(false); }
- bool IsShown() const { return m_isShown; }
- bool IsEnabled() const { return m_isEnabled; }
+ virtual bool IsShown() const { return m_isShown; }
+ // 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)
virtual void SetWindowStyleFlag( long style ) { m_windowStyle = style; }
virtual long GetWindowStyleFlag() const { return m_windowStyle; }
- // just some (somewhat shorter) synonims
+ // just some (somewhat shorter) synonyms
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; }
+
+#if WXWIN_COMPATIBILITY_2_8
// make the window modal (all other windows unresponsive)
- virtual void MakeModal(bool modal = true);
+ wxDEPRECATED( virtual void MakeModal(bool modal = true) );
+#endif
+
+ // (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
- // 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
// ---------------------------
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(); }
+ // 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(); }
+
+ // 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); }
+
+ // 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);
- // set this child as default, return the old default
- virtual wxWindow *SetDefaultItem(wxWindow * WXUNUSED(child))
- { return NULL; }
+ // move this window just before/after the specified one in tab order
+ // (the other window must be our sibling!)
+ void MoveBeforeInTabOrder(wxWindow *win)
+ { DoMoveInTabOrder(win, OrderBefore); }
+ void MoveAfterInTabOrder(wxWindow *win)
+ { DoMoveInTabOrder(win, OrderAfter); }
- // set this child as temporary default
- virtual void SetTmpDefaultItem(wxWindow * WXUNUSED(win)) { }
// 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;
// is this window a top level one?
virtual bool IsTopLevel() const;
- // it doesn't really change parent, use ReParent() instead
- void SetParent( wxWindowBase *parent ) { m_parent = (wxWindow *)parent; }
+ // is this window a child or grand child of this one (inside the same
+ // TLW)?
+ bool IsDescendant(wxWindowBase* win) const;
+
+ // it doesn't really change parent, use Reparent() instead
+ void SetParent( wxWindowBase *parent );
// change the real parent of this window, return true if the parent
// was changed, false otherwise (error or newParent == oldParent)
virtual bool Reparent( wxWindowBase *newParent );
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
// -------------------
// find window among the descendants of this one either by id or by
// name (return NULL if not found)
- wxWindow *FindWindow( long winid );
- wxWindow *FindWindow( const wxString& name );
+ wxWindow *FindWindow(long winid) const;
+ wxWindow *FindWindow(const wxString& name) const;
// Find a window among any window (all return NULL if not found)
static wxWindow *FindWindowById( long winid, const wxWindow *parent = NULL );
// replace the event handler (allows to completely subclass the
// window)
- void SetEventHandler( wxEvtHandler *handler ) { m_eventHandler = handler; }
+ void SetEventHandler( wxEvtHandler *handler );
// push/pop event handler: allows to chain a custom event handler to
// alreasy existing ones
// be there)
bool RemoveEventHandler(wxEvtHandler *handler);
+ // Process an event by calling GetEventHandler()->ProcessEvent(): this
+ // is a straightforward replacement for ProcessEvent() itself which
+ // shouldn't be used directly with windows as it doesn't take into
+ // account any event handlers associated with the window
+ bool ProcessWindowEvent(wxEvent& event)
+ { return GetEventHandler()->ProcessEvent(event); }
+
+ // Call GetEventHandler()->ProcessEventLocally(): this should be used
+ // instead of calling ProcessEventLocally() directly on the window
+ // itself as this wouldn't take any pushed event handlers into account
+ // correctly
+ bool ProcessWindowEventLocally(wxEvent& event)
+ { return GetEventHandler()->ProcessEventLocally(event); }
+
+ // 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;
+
+ // disable wxEvtHandler double-linked list mechanism:
+ virtual void SetNextHandler(wxEvtHandler *handler);
+ virtual void SetPreviousHandler(wxEvtHandler *handler);
+
+
+ // Watcom doesn't allow reducing access with using access declaration, see
+ // #10749
+#ifndef __WATCOMC__
+protected:
+
+ // NOTE: we change the access specifier of the following wxEvtHandler functions
+ // so that the user won't be able to call them directly.
+ // Calling wxWindow::ProcessEvent in fact only works when there are NO
+ // event handlers pushed on the window.
+ // To ensure correct operation, instead of wxWindow::ProcessEvent
+ // you must always call wxWindow::GetEventHandler()->ProcessEvent()
+ // or HandleWindowEvent().
+ // The same holds for all other wxEvtHandler functions.
+
+ using wxEvtHandler::ProcessEvent;
+ using wxEvtHandler::ProcessEventLocally;
+#if wxUSE_THREADS
+ using wxEvtHandler::ProcessThreadEvent;
+#endif
+ using wxEvtHandler::SafelyProcessEvent;
+ using wxEvtHandler::ProcessPendingEvents;
+ using wxEvtHandler::AddPendingEvent;
+ using wxEvtHandler::QueueEvent;
+#endif // __WATCOMC__
+
+public:
+
// validators
// ----------
// dialog units translations
// -------------------------
- wxPoint ConvertPixelsToDialog( const wxPoint& pt );
- wxPoint ConvertDialogToPixels( const wxPoint& pt );
- wxSize ConvertPixelsToDialog( const wxSize& sz )
+ wxPoint ConvertPixelsToDialog( const wxPoint& pt ) const;
+ wxPoint ConvertDialogToPixels( const wxPoint& pt ) const;
+ wxSize ConvertPixelsToDialog( const wxSize& sz ) const
{
wxPoint pt(ConvertPixelsToDialog(wxPoint(sz.x, sz.y)));
return wxSize(pt.x, pt.y);
}
- wxSize ConvertDialogToPixels( const wxSize& sz )
+ wxSize ConvertDialogToPixels( const wxSize& sz ) const
{
wxPoint pt(ConvertDialogToPixels(wxPoint(sz.x, sz.y)));
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
// --------------------------
+ // get the default attributes for the controls of this class: we
+ // provide a virtual function which can be used to query the default
+ // attributes of an existing control and a static function which can
+ // be used even when no existing object of the given class is
+ // available, but which won't return any styles specific to this
+ // particular control, of course (e.g. "Ok" button might have
+ // different -- bold for example -- font)
+ virtual wxVisualAttributes GetDefaultAttributes() const
+ {
+ return GetClassDefaultAttributes(GetWindowVariant());
+ }
+
+ static wxVisualAttributes
+ GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
+
// set/retrieve the window colours (system defaults are used by
- // default): Set functions return true if colour was changed
- virtual bool SetBackgroundColour( const wxColour &colour );
- virtual bool SetForegroundColour( const wxColour &colour );
+ // default): SetXXX() functions return true if colour was changed,
+ // SetDefaultXXX() reset the "m_inheritXXX" flag after setting the
+ // value to prevent it from being inherited by our children
+ virtual bool SetBackgroundColour(const wxColour& colour);
+ void SetOwnBackgroundColour(const wxColour& colour)
+ {
+ if ( SetBackgroundColour(colour) )
+ m_inheritBgCol = false;
+ }
+ wxColour GetBackgroundColour() const;
+ bool InheritsBackgroundColour() const
+ {
+ return m_inheritBgCol;
+ }
+ bool UseBgCol() const
+ {
+ return m_hasBgCol;
+ }
+
+ virtual bool SetForegroundColour(const wxColour& colour);
+ void SetOwnForegroundColour(const wxColour& colour)
+ {
+ if ( SetForegroundColour(colour) )
+ m_inheritFgCol = false;
+ }
+ wxColour GetForegroundColour() const;
+
+ // Set/get the background style.
+ virtual bool SetBackgroundStyle(wxBackgroundStyle style);
+ wxBackgroundStyle GetBackgroundStyle() const
+ { return m_backgroundStyle; }
- wxColour GetBackgroundColour() const { return m_backgroundColour; }
- wxColour GetForegroundColour() const { return m_foregroundColour; }
+ // returns true if the control has "transparent" areas such as a
+ // wxStaticText and wxCheckBox and the background should be adapted
+ // from a parent window
+ virtual bool HasTransparentBackground() { return false; }
+
+ // Returns true if background transparency is supported for this
+ // window, i.e. if calling SetBackgroundStyle(wxBG_STYLE_TRANSPARENT)
+ // has a chance of succeeding. If reason argument is non-NULL, returns a
+ // user-readable explanation of why it isn't supported if the return
+ // value is false.
+ virtual bool IsTransparentBackgroundSupported(wxString* reason = NULL) const;
+
+ // 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
// get the width/height/... of the text using current or specified
// font
- virtual void GetTextExtent(const wxString& string,
- int *x, int *y,
- int *descent = (int *) NULL,
- int *externalLeading = (int *) NULL,
- const wxFont *theFont = (const wxFont *) NULL)
- const = 0;
+ void GetTextExtent(const wxString& string,
+ int *x, int *y,
+ int *descent = NULL,
+ int *externalLeading = NULL,
+ const wxFont *font = NULL) const
+ {
+ DoGetTextExtent(string, x, y, descent, externalLeading, font);
+ }
+
+ 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
- bool PopupMenu( wxMenu *menu, const wxPoint& pos )
- { return DoPopupMenu(menu, pos.x, pos.y); }
- bool PopupMenu( wxMenu *menu, int x, int y )
- { return DoPopupMenu(menu, x, y); }
+ // show popup menu at the given position, generate events for the items
+ // selected in it
+ bool PopupMenu(wxMenu *menu, const wxPoint& pos = wxDefaultPosition)
+ { 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 = wxDefaultPosition)
+ { 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
// ----------
- // does the window have the scrollbar for this orientation?
- bool HasScrollbar(int orient) const
+ // can the window have the scrollbar in this orientation?
+ bool CanScroll(int orient) const
{
return (m_windowStyle &
(orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0;
}
+ // does the window have the scrollbar in this orientation?
+ bool HasScrollbar(int orient) const;
+
// configure the window scrollbars
virtual void SetScrollbar( int orient,
int pos,
// scroll window to the specified position
virtual void ScrollWindow( int dx, int dy,
- const wxRect* rect = (wxRect *) NULL ) = 0;
+ const wxRect* rect = NULL ) = 0;
// scrolls window by line/page: note that not all controls support this
//
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
#if wxUSE_TOOLTIPS
// the easiest way to set a tooltip for a window is to use this method
void SetToolTip( const wxString &tip );
- // attach a tooltip to the window
+ // attach a tooltip to the window, pointer can be NULL to remove
+ // existing tooltip
void SetToolTip( wxToolTip *tip ) { DoSetToolTip(tip); }
+ // more readable synonym for SetToolTip(NULL)
+ void UnsetToolTip() { SetToolTip(NULL); }
// get the associated tooltip or NULL if none
wxToolTip* GetToolTip() const { return m_tooltip; }
- wxString GetToolTipText() const ;
-#endif // wxUSE_TOOLTIPS
+ wxString GetToolTipText() const;
+
+ // Use the same tool tip as the given one (which can be NULL to indicate
+ // that no tooltip should be used) for this window. This is currently only
+ // used by wxCompositeWindow::DoSetToolTip() implementation and is not part
+ // of the public wx API.
+ //
+ // Returns true if tip was valid and we copied it or false if it was NULL
+ // and we reset our own tooltip too.
+ bool CopyToolTip(wxToolTip *tip);
+#else // !wxUSE_TOOLTIPS
+ // make it much easier to compile apps in an environment
+ // that doesn't support tooltips, such as PocketPC
+ void SetToolTip(const wxString & WXUNUSED(tip)) { }
+ void UnsetToolTip() { }
+#endif // wxUSE_TOOLTIPS/!wxUSE_TOOLTIPS
// drag and drop
// -------------
// NULL; it's owned by the window and will be deleted by it)
virtual void SetDropTarget( wxDropTarget *dropTarget ) = 0;
virtual wxDropTarget *GetDropTarget() const { return m_dropTarget; }
+
+ // Accept files for dragging
+ virtual void DragAcceptFiles(bool accept)
+#ifdef __WXMSW__
+ // it does have common implementation but not for MSW which has its own
+ // native version of it
+ = 0
+#endif // __WXMSW__
+ ;
+
#endif // wxUSE_DRAG_AND_DROP
// constraints and sizers
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);
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
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
// --------------
// virtual function for implementing internal idle
// behaviour
- virtual void OnInternalIdle() {}
+ virtual void OnInternalIdle();
- // call internal idle recursively
-// void ProcessInternalIdle() ;
+ // Send idle event to window and all subwindows
+ // Returns true if more idle time is requested.
+ virtual bool SendIdleEvents(wxIdleEvent& event);
// get the handle of the window for the underlying window system: this
// 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
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; }
+
+ // 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; }
+
+ // 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; }
+
+ // If this function returns true, keyboard navigation events shouldn't
+ // escape from it. A typical example of such "navigation domain" is a top
+ // level window because pressing TAB in one of them must not transfer focus
+ // to a different top level window. But it's not limited to them, e.g. MDI
+ // children frames are not top level windows (and their IsTopLevel()
+ // returns false) but still are self-contained navigation domains as well.
+ virtual bool IsTopNavigationDomain() const { return false; }
+
+
protected:
+ // helper for the derived class Create() methods: the first overload, with
+ // validator parameter, should be used for child windows while the second
+ // one is used for top level ones
+ bool CreateBase(wxWindowBase *parent,
+ wxWindowID winid,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ long style = 0,
+ const wxValidator& validator = wxDefaultValidator,
+ const wxString& name = wxPanelNameStr);
+
+ bool CreateBase(wxWindowBase *parent,
+ wxWindowID winid,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxString& name);
+
// event handling specific to wxWindow
- virtual bool TryValidator(wxEvent& event);
- virtual bool TryParent(wxEvent& event);
+ virtual bool TryBefore(wxEvent& event);
+ virtual bool TryAfter(wxEvent& event);
+
+ enum WindowOrder
+ {
+ OrderBefore, // insert before the given window
+ OrderAfter // insert after the given window
+ };
+
+ // 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
void SatisfyConstraints();
#endif // wxUSE_CONSTRAINTS
- // Send the wxWindowDestroyEvent
+ // Send the wxWindowDestroyEvent if not done yet and sets m_isBeingDeleted
+ // to true
void SendDestroyEvent();
+ // 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)) { }
+
+
// the window id - a number which uniquely identifies a window among
- // its siblings unless it is -1
- wxWindowID m_windowId;
+ // its siblings unless it is wxID_ANY
+ wxWindowIDRef m_windowId;
// the parent window of this window (or NULL) and the list of the children
// of this window
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,
// 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;
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;
#if wxUSE_ACCESSIBILITY
wxAccessible* m_accessible;
#endif
+
// 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 ;
// 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 ? 400 : w; }
- static int HeightDefault(int h) { return h == -1 ? 250 : h; }
+ // 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; }
+ 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;
+
+ wxDEPRECATED( void SetBestSize(const wxSize& size) ); // use SetInitialSize
+ wxDEPRECATED( virtual void SetInitialBestSize(const wxSize& size) ); // use SetInitialSize
- // 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
- //
- // 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);
- }
- }
// more pure virtual functions
// ---------------------------
// overloaded Something()s in terms of DoSomething() which will be the
// only one to be virtual.
+ // text extent
+ virtual void DoGetTextExtent(const wxString& string,
+ int *x, int *y,
+ int *descent = NULL,
+ int *externalLeading = NULL,
+ const wxFont *font = NULL) const = 0;
+
// coordinates translation
virtual void DoClientToScreen( int *x, int *y ) const = 0;
virtual void DoScreenToClient( int *x, int *y ) const = 0;
virtual void DoReleaseMouse() = 0;
// retrieve the position/size of the window
- virtual void DoGetPosition( int *x, int *y ) const = 0;
- virtual void DoGetSize( int *width, int *height ) const = 0;
- virtual void DoGetClientSize( int *width, int *height ) const = 0;
+ virtual void DoGetPosition(int *x, int *y) const = 0;
+ virtual void DoGetScreenPosition(int *x, int *y) const;
+ virtual void DoGetSize(int *width, int *height) const = 0;
+ virtual void DoGetClientSize(int *width, int *height) const = 0;
// get the size which best suits the window: for a control, it would be
// the minimal size which doesn't truncate the control, for a panel - the
// same size as it would have after a call to Fit()
virtual wxSize DoGetBestSize() const;
- // this is the virtual function to be overriden in any derived class which
+ // this method can be overridden instead of DoGetBestSize() if it computes
+ // the best size of the client area of the window only, excluding borders
+ // (GetBorderSize() will be used to add them)
+ virtual wxSize DoGetBestClientSize() const { return wxDefaultSize; }
+
+ // These two methods can be overridden to implement intelligent
+ // width-for-height and/or height-for-width best size determination for the
+ // window. By default the fixed best size is used.
+ virtual int DoGetBestClientHeight(int WXUNUSED(width)) const
+ { return wxDefaultCoord; }
+ virtual int DoGetBestClientWidth(int WXUNUSED(height)) const
+ { return wxDefaultCoord; }
+
+ // this is the virtual function to be overridden in any derived class which
// wants to change how SetSize() or Move() works - it is called by all
// versions of these functions in the base class
virtual void DoSetSize(int x, int y,
// 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 );
+
+ // return the total size of the window borders, i.e. the sum of the widths
+ // of the left and the right border in the x component of the returned size
+ // and the sum of the heights of the top and bottom borders in the y one
+ //
+ // NB: this is currently only implemented properly for wxMSW, wxGTK and
+ // wxUniv and doesn't behave correctly in the presence of scrollbars in
+ // the other ports
+ virtual wxSize DoGetBorderSize() const;
+
// 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
#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
// 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:
+ // recursively call our own and our children DoEnable() 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;
+#if wxUSE_MENUS
+ // temporary event handlers used by GetPopupMenuSelectionFromUser()
+ void InternalOnPopupMenu(wxCommandEvent& event);
+ void InternalOnPopupMenuUpdate(wxUpdateUIEvent& event);
+
+ // implementation of the public GetPopupMenuSelectionFromUser() method
+ int DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
+#endif // wxUSE_MENUS
+
+ // layout the window children when its size changes unless this was
+ // explicitly disabled with SetAutoLayout(false)
+ void InternalOnSize(wxSizeEvent& event);
+
+ // base for dialog unit conversion, i.e. average character size
+ wxSize GetDlgUnitBase() const;
// 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)
+ wxDECLARE_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
#define wxWindowX11 wxWindow
#endif // wxUniv
#include "wx/x11/window.h"
-#elif defined(__WXMGL__)
- #ifdef __WXUNIVERSAL__
- #define wxWindowNative wxWindowMGL
- #else // !wxUniv
- #define wxWindowMGL wxWindow
- #endif // wxUniv
- #include "wx/mgl/window.h"
+#elif defined(__WXDFB__)
+ #define wxWindowNative wxWindowDFB
+ #include "wx/dfb/window.h"
#elif defined(__WXMAC__)
#ifdef __WXUNIVERSAL__
#define wxWindowNative wxWindowMac
#else // !wxUniv
#define wxWindowMac wxWindow
#endif // wxUniv
- #include "wx/mac/window.h"
+ #include "wx/osx/window.h"
#elif defined(__WXCOCOA__)
#ifdef __WXUNIVERSAL__
#define wxWindowNative wxWindowCocoa
inline wxWindow *wxWindowBase::GetGrandParent() const
{
- return m_parent ? m_parent->GetParent() : (wxWindow *)NULL;
+ return m_parent ? m_parent->GetParent() : NULL;
}
// ----------------------------------------------------------------------------
// 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); }
- virtual ~wxWindowAccessible() {};
+ virtual ~wxWindowAccessible() {}
// Overridables
// 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