Make storing non-trivial data in wxThreadSpecificInfo possible.

[wxWidgets.git] / interface / wx / window.h

diff --git a/interface/wx/window.h b/interface/wx/window.h
index 91981a7537b70c1aa2bb530e19d8be557d5c9747..361f34cd69725738c2a0f4e214f8f80751ad371d 100644 (file)
--- a/interface/wx/window.h
+++ b/interface/wx/window.h
@@ -2,7 +2,6 @@
 // Name:        window.h
 // Purpose:     interface of wxWindow
 // Author:      wxWidgets team
 // Name:        window.h
 // Purpose:     interface of wxWindow
 // Author:      wxWidgets team

-// RCS-ID:      $Id$

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 


@@ -47,11 +46,23 @@ enum wxShowEffect
     wxSHOW_EFFECT_BLEND,
 
     /// Expanding or collapsing effect
     wxSHOW_EFFECT_BLEND,
 
     /// Expanding or collapsing effect

-    wxSHOW_EFFECT_EXPAND
+    wxSHOW_EFFECT_EXPAND,
+
+    wxSHOW_EFFECT_MAX
+};
+
+
+/**
+   flags for SendSizeEvent()
+*/
+enum
+{
+    wxSEND_EVENT_POST = 1

 };
 
 
 
 };
 
 
 

+

 /**
     Struct containing all the visual attributes of a control.
 */
 /**
     Struct containing all the visual attributes of a control.
 */


@@ -337,8 +348,8 @@ public:
 
     /**
         This method may be overridden in the derived classes to return @false to
 
     /**
         This method may be overridden in the derived classes to return @false to

-        indicate that this control doesn't accept input at all (i.e. behaves like
-        e.g. wxStaticText) and so doesn't need focus.
+        indicate that this control doesn't accept input at all (i.e.\ behaves like
+        e.g.\ wxStaticText) and so doesn't need focus.

 
         @see AcceptsFocusFromKeyboard()
     */
 
         @see AcceptsFocusFromKeyboard()
     */


@@ -358,11 +369,33 @@ public:
         container windows.
      */
     virtual bool AcceptsFocusRecursively() const;
         container windows.
      */
     virtual bool AcceptsFocusRecursively() const;

+    
+    /**
+     Can this window itself have focus?
+    */
+    bool IsFocusable() const;
+
+    /**
+       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;
+
+    /**
+       Can this window be assigned focus from keyboard right now?
+    */
+    bool CanAcceptFocusFromKeyboard() const;
+

 
     /**
         Returns @true if the window (or in case of composite controls, its main
         child window) has focus.
 
 
     /**
         Returns @true if the window (or in case of composite controls, its main
         child window) has focus.
 

+        @since 2.9.0
+

         @see FindFocus()
     */
     virtual bool HasFocus() const;
         @see FindFocus()
     */
     virtual bool HasFocus() const;


@@ -511,7 +544,7 @@ public:
     bool IsDescendant(wxWindowBase* win) const;
 
     /**
     bool IsDescendant(wxWindowBase* win) const;
 
     /**

-        Reparents the window, i.e. the window will be removed from its
+        Reparents the window, i.e.\ the window will be removed from its

         current parent window (e.g. a non-standard toolbar in a wxFrame)
         and then re-inserted into another.
 
         current parent window (e.g. a non-standard toolbar in a wxFrame)
         and then re-inserted into another.
 


@@ -742,6 +775,70 @@ public:
     */
     //@{
 
     */
     //@{
 

+    /**
+        Helper for ensuring EndRepositioningChildren() is called correctly.
+
+        This class wraps the calls to BeginRepositioningChildren() and
+        EndRepositioningChildren() by performing the former in its constructor
+        and the latter in its destructor if, and only if, the first call
+        returned @true. This is the simplest way to call these methods and if
+        this class is created as a local variable, it also ensures that
+        EndRepositioningChildren() is correctly called (or not) on scope exit,
+        so its use instead of calling these methods manually is highly
+        recommended.
+
+        @since 2.9.5
+     */
+    class ChildrenRepositioningGuard
+    {
+    public:
+        /**
+            Constructor calls wxWindow::BeginRepositioningChildren().
+
+            @param win The window to call BeginRepositioningChildren() on. If
+                it is @NULL, nothing is done.
+         */
+        explicit ChildrenRepositioningGuard(wxWindow* win);
+
+        /**
+            Destructor calls wxWindow::EndRepositioningChildren() if necessary.
+
+            EndRepositioningChildren() is called only if a valid window was
+            passed to the constructor and if BeginRepositioningChildren()
+            returned @true.
+         */
+        ~ChildrenRepositioningGuard();
+    };
+
+    /**
+        Prepare for changing positions of multiple child windows.
+
+        This method should be called before changing positions of multiple
+        child windows to reduce flicker and, in MSW case, even avoid display
+        corruption in some cases. It is used internally by wxWidgets and called
+        automatically when the window size changes but it can also be useful to
+        call it from outside of the library if a repositioning involving
+        multiple children is done without changing the window size.
+
+        If this method returns @true, then EndRepositioningChildren() must be
+        called after setting all children positions. Use
+        ChildrenRepositioningGuard class to ensure that this requirement is
+        satisfied.
+
+        @since 2.9.5
+     */
+    bool BeginRepositioningChildren();
+
+    /**
+        Fix child window positions after setting all of them at once.
+
+        This method must be called if and only if the previous call to
+        BeginRepositioningChildren() returned @true.
+
+        @since 2.9.5
+     */
+    void EndRepositioningChildren();
+

     /**
         Sets the cached best size value.
 
     /**
         Sets the cached best size value.
 


@@ -823,10 +920,34 @@ public:
         convenient, DoGetBestClientSize() when writing your own custom window
         class to change the value returned by this public non-virtual method.
 
         convenient, DoGetBestClientSize() when writing your own custom window
         class to change the value returned by this public non-virtual method.
 

+        Notice that the best size respects the minimal and maximal size
+        explicitly set for the window, if any. So even if some window believes
+        that it needs 200 pixels horizontally, calling SetMaxSize() with a
+        width of 100 would ensure that GetBestSize() returns the width of at
+        most 100 pixels.
+

         @see CacheBestSize(), @ref overview_windowsizing
     */
     wxSize GetBestSize() const;
 
         @see CacheBestSize(), @ref overview_windowsizing
     */
     wxSize GetBestSize() const;
 

+    /**
+        Returns the best height needed by this window if it had the given width.
+
+        @see DoGetBestClientHeight()
+
+        @since 2.9.4
+     */
+    int GetBestHeight(int width) const;
+
+    /**
+        Returns the best width needed by this window if it had the given height.
+
+        @see DoGetBestClientWidth()
+
+        @since 2.9.4
+     */
+    int GetBestWidth(int height) const;
+

     /**
         Returns the size of the window 'client area' in pixels.
 
     /**
         Returns the size of the window 'client area' in pixels.
 


@@ -904,9 +1025,40 @@ public:
     */
     virtual wxSize GetMinSize() const;
 
     */
     virtual wxSize GetMinSize() const;
 

+    /**
+        Returns the horizontal component of window minimal size.
+
+        The returned value is wxDefaultCoord if the minimal width was not set.
+
+        @see GetMinSize()
+     */

     int GetMinWidth() const;
     int GetMinWidth() const;

+
+    /**
+        Returns the vertical component of window minimal size.
+
+        The returned value is wxDefaultCoord if the minimal height was not set.
+
+        @see GetMinSize()
+     */

     int GetMinHeight() const;
     int GetMinHeight() const;

+
+    /**
+        Returns the horizontal component of window maximal size.
+
+        The returned value is wxDefaultCoord if the maximal width was not set.
+
+        @see GetMaxSize()
+     */

     int GetMaxWidth() const;
     int GetMaxWidth() const;

+
+    /**
+        Returns the vertical component of window maximal size.
+
+        The returned value is wxDefaultCoord if the maximal width was not set.
+
+        @see GetMaxSize()
+     */

     int GetMaxHeight() const;
 
     /**
     int GetMaxHeight() const;
 
     /**


@@ -960,6 +1112,14 @@ public:
     */
     virtual wxSize GetBestVirtualSize() const;
 
     */
     virtual wxSize GetBestVirtualSize() const;
 

+    /**
+       Returns the magnification of the backing store of this window, eg 2.0
+       for a window on a retina screen.
+
+       @since 2.9.5
+    */
+    virtual double GetContentScaleFactor() const;
+    

     /**
         Returns the size of the left/right and top/bottom borders of this window in x
         and y components of the result respectively.
     /**
         Returns the size of the left/right and top/bottom borders of this window in x
         and y components of the result respectively.


@@ -1353,7 +1513,7 @@ public:
     virtual wxPoint GetClientAreaOrigin() const;
 
     /**
     virtual wxPoint GetClientAreaOrigin() const;
 
     /**

-       Get the client rectangle in window (i.e. client) coordinates
+       Get the client rectangle in window (i.e.\ client) coordinates

     */
     wxRect GetClientRect() const;
 
     */
     wxRect GetClientRect() const;
 


@@ -1877,6 +2037,18 @@ public:
     */
     void SetOwnBackgroundColour(const wxColour& colour);
 
     */
     void SetOwnBackgroundColour(const wxColour& colour);
 

+    /**
+        Return @true if this window inherits the background colour from its parent.
+
+        @see SetOwnBackgroundColour(), InheritAttributes()
+    */
+    bool InheritsBackgroundColour() const;
+
+    /**
+        Return @true if a background colour has been set for this window.
+    */
+    bool UseBgCol() const;
+

     /**
         Sets the font of the window but prevents it from being inherited by the
         children of this window.
     /**
         Sets the font of the window but prevents it from being inherited by the
         children of this window.


@@ -2304,7 +2476,7 @@ public:
     virtual bool HideWithEffect(wxShowEffect effect,
                                 unsigned int timeout = 0);
     /**
     virtual bool HideWithEffect(wxShowEffect effect,
                                 unsigned int timeout = 0);
     /**

-        Returns @true if the window is enabled, i.e. if it accepts user input,
+        Returns @true if the window is enabled, i.e.\ if it accepts user input,

         @false otherwise.
 
         Notice that this method can return @false even if this window itself hadn't
         @false otherwise.
 
         Notice that this method can return @false even if this window itself hadn't


@@ -2344,7 +2516,7 @@ public:
     virtual bool IsShown() const;
 
     /**
     virtual bool IsShown() const;
 
     /**

-        Returns @true if the window is physically visible on the screen, i.e. it
+        Returns @true if the window is physically visible on the screen, i.e.\ it

         is shown and all its parents up to the toplevel window are shown as well.
 
         @see IsShown()
         is shown and all its parents up to the toplevel window are shown as well.
 
         @see IsShown()


@@ -2666,6 +2838,14 @@ public:
     */
     virtual wxLayoutDirection GetLayoutDirection() const;
 
     */
     virtual wxLayoutDirection GetLayoutDirection() const;
 

+    /**
+       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;
+

     /**
         Returns the window's name.
 
     /**
         Returns the window's name.
 


@@ -2768,6 +2948,8 @@ public:
             @false if the window's close handler should be able to veto the destruction
             of this window, @true if it cannot.
 
             @false if the window's close handler should be able to veto the destruction
             of this window, @true if it cannot.
 

+        @return @true if the event was handled and not vetoed, @false otherwise.
+

         @remarks Close calls the close handler for the window, providing an
                  opportunity for the window to choose whether to destroy
                  the window. Usually it is only used with the top level
         @remarks Close calls the close handler for the window, providing an
                  opportunity for the window to choose whether to destroy
                  the window. Usually it is only used with the top level


@@ -3153,7 +3335,7 @@ public:
     virtual void InitDialog();
 
     /**
     virtual void InitDialog();
 
     /**

-        Returns @true if the window contents is double-buffered by the system, i.e. if
+        Returns @true if the window contents is double-buffered by the system, i.e.\ if

         any drawing done on the window is really done on a temporary backing surface
         and transferred to the screen all at once later.
 
         any drawing done on the window is really done on a temporary backing surface
         and transferred to the screen all at once later.
 


@@ -3175,7 +3357,7 @@ public:
 
     /**
         Returns @true if this window is intrinsically enabled, @false otherwise,
 
     /**
         Returns @true if this window is intrinsically enabled, @false otherwise,

-        i.e. if @ref Enable() Enable(@false) had been called. This method is
+        i.e.\ if @ref Enable() Enable(@false) had been called. This method is

         mostly used for wxWidgets itself, user code should normally use
         IsEnabled() instead.
     */
         mostly used for wxWidgets itself, user code should normally use
         IsEnabled() instead.
     */


@@ -3201,6 +3383,12 @@ public:
     */
     virtual void OnInternalIdle();
 
     */
     virtual void OnInternalIdle();
 

+    /**
+       Send idle event to window and all subwindows. Returns true if more idle
+       time is requested.
+    */
+    virtual bool SendIdleEvents(wxIdleEvent& event);
+

     /**
         Registers a system wide hotkey. Every time the user presses the hotkey
         registered here, this window will receive a hotkey event.
     /**
         Registers a system wide hotkey. Every time the user presses the hotkey
         registered here, this window will receive a hotkey event.


@@ -3473,15 +3661,57 @@ protected:
         GetBestSize() returns an arbitrary hardcoded size for the window, so
         you must override it when implementing a custom window class.
 
         GetBestSize() returns an arbitrary hardcoded size for the window, so
         you must override it when implementing a custom window class.
 

+        Notice that the best size returned by this function is cached
+        internally, so if anything that results in the best size changing (e.g.
+        change to the control contents) happens, you need to call
+        InvalidateBestSize() to notify wxWidgets about it.
+

         @see @ref overview_windowsizing
 
         @since 2.9.0
      */
     virtual wxSize DoGetBestClientSize() const;
 
         @see @ref overview_windowsizing
 
         @since 2.9.0
      */
     virtual wxSize DoGetBestClientSize() const;
 

+    /**
+        Override this method to implement height-for-width best size
+        calculation.
+
+        Return the height needed to fully display the control contents if its
+        width is fixed to the given value. Custom classes implementing
+        wrapping should override this method and return the height
+        corresponding to the number of lines needed to lay out the control
+        contents at this width.
+
+        Currently this method is not used by wxWidgets yet, however it is
+        planned that it will be used by the new sizer classes implementing
+        height-for-width layout strategy in the future.
+
+        Notice that implementing this method or even implementing both it and
+        DoGetBestClientWidth() doesn't replace overriding DoGetBestClientSize(),
+        i.e. you still need to implement the latter as well in order to provide
+        the best size when neither width nor height are constrained.
+
+        By default returns ::wxDefaultCoord meaning that the vertical component
+        of DoGetBestClientSize() return value should be used.
+
+        @since 2.9.4
+     */
+    virtual int DoGetBestClientHeight(int width) const;
+
+    /**
+        Override this method to implement width-for-height best size
+        calculation.
+
+        This method is exactly the same as DoGetBestClientHeight() except that
+        it determines the width assuming the height is fixed instead of vice
+        versa.
+
+        @since 2.9.4
+     */
+    virtual int DoGetBestClientWidth(int height) const;

 
     /**
 
     /**

-        Sets the initial window size if none is given (i.e. at least one of the
+        Sets 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).
         @deprecated Use SetInitialSize() instead.
     */
         components of the size passed to ctor/Create() is wxDefaultCoord).
         @deprecated Use SetInitialSize() instead.
     */