X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0824e369691b4a23a484e1d258b6e4ea021b022a..d3fa4bc22e84e3ca4d88cc1772f2d414140a1017:/interface/wx/window.h diff --git a/interface/wx/window.h b/interface/wx/window.h index 74e220863e..d075e1178c 100644 --- a/interface/wx/window.h +++ b/interface/wx/window.h @@ -53,6 +53,16 @@ enum wxShowEffect }; +/** + flags for SendSizeEvent() +*/ +enum +{ + wxSEND_EVENT_POST = 1 +}; + + + /** Struct containing all the visual attributes of a control. @@ -766,6 +776,70 @@ 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. @@ -952,9 +1026,40 @@ public: */ 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; + + /** + 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; + + /** + 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; + + /** + 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; /** @@ -1008,6 +1113,14 @@ public: */ 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.