X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dd56228c02bcb9fe27df56e3e95c2791f1b68a86..3f39c25469f6d3d1de9c8ee5c5d0275981dbded9:/docs/latex/wx/scrolevt.inc diff --git a/docs/latex/wx/scrolevt.inc b/docs/latex/wx/scrolevt.inc index 90d5758865..509a45cb0b 100644 --- a/docs/latex/wx/scrolevt.inc +++ b/docs/latex/wx/scrolevt.inc @@ -4,14 +4,14 @@ To process a scroll event, use these event handler macros to direct input to member functions that take a wxScrollEvent argument. You can use {\tt EVT\_COMMAND\_SCROLL...} macros with window IDs for when intercepting scroll events from controls, or {\tt EVT\_SCROLL...} macros without window IDs -for intercepting scroll events from the receiving window - except for this, -the macros behave exactly the same +for intercepting scroll events from the receiving window -- except for this, +the macros behave exactly the same. -\twocolwidtha{7cm} +\twocolwidtha{9cm} \begin{twocollist}\itemsep=0pt \twocolitem{{\bf EVT\_SCROLL(func)}}{Process all scroll events.} -\twocolitem{{\bf EVT\_SCROLL\_TOP(func)}}{Process wxEVT\_SCROLL\_TOP scroll-to-top events (minium position).} -\twocolitem{{\bf EVT\_SCROLL\_BOTTOM(func)}}{Process wxEVT\_SCROLL\_TOP scroll-to-bottom events (maximum position).} +\twocolitem{{\bf EVT\_SCROLL\_TOP(func)}}{Process wxEVT\_SCROLL\_TOP scroll-to-top events (minimum position).} +\twocolitem{{\bf EVT\_SCROLL\_BOTTOM(func)}}{Process wxEVT\_SCROLL\_BOTTOM scroll-to-bottom events (maximum position).} \twocolitem{{\bf EVT\_SCROLL\_LINEUP(func)}}{Process wxEVT\_SCROLL\_LINEUP line up events.} \twocolitem{{\bf EVT\_SCROLL\_LINEDOWN(func)}}{Process wxEVT\_SCROLL\_LINEDOWN line down events.} \twocolitem{{\bf EVT\_SCROLL\_PAGEUP(func)}}{Process wxEVT\_SCROLL\_PAGEUP page up events.} @@ -19,10 +19,10 @@ the macros behave exactly the same \twocolitem{{\bf EVT\_SCROLL\_THUMBTRACK(func)}}{Process wxEVT\_SCROLL\_THUMBTRACK thumbtrack events (frequent events sent as the user drags the thumbtrack).} \twocolitem{{\bf EVT\_SCROLL\_THUMBRELEASE(func)}}{Process wxEVT\_SCROLL\_THUMBRELEASE thumb release events.} -\twocolitem{{\bf EVT\_SCROLL\_ENDSCROLL(func)}}{Process wxEVT\_SCROLL\_ENDSCROLL end of scrolling events (MSW only).} +\twocolitem{{\bf EVT\_SCROLL\_CHANGED(func)}}{Process wxEVT\_SCROLL\_CHANGED end of scrolling events (MSW only).} \twocolitem{{\bf EVT\_COMMAND\_SCROLL(id, func)}}{Process all scroll events.} \twocolitem{{\bf EVT\_COMMAND\_SCROLL\_TOP(id, func)}}{Process wxEVT\_SCROLL\_TOP scroll-to-top events (minimum position).} -\twocolitem{{\bf EVT\_COMMAND\_SCROLL\_BOTTOM(id, func)}}{Process wxEVT\_SCROLL\_TOP scroll-to-bottom events (maximum position).} +\twocolitem{{\bf EVT\_COMMAND\_SCROLL\_BOTTOM(id, func)}}{Process wxEVT\_SCROLL\_BOTTOM scroll-to-bottom events (maximum position).} \twocolitem{{\bf EVT\_COMMAND\_SCROLL\_LINEUP(id, func)}}{Process wxEVT\_SCROLL\_LINEUP line up events.} \twocolitem{{\bf EVT\_COMMAND\_SCROLL\_LINEDOWN(id, func)}}{Process wxEVT\_SCROLL\_LINEDOWN line down events.} \twocolitem{{\bf EVT\_COMMAND\_SCROLL\_PAGEUP(id, func)}}{Process wxEVT\_SCROLL\_PAGEUP page up events.} @@ -30,7 +30,23 @@ sent as the user drags the thumbtrack).} \twocolitem{{\bf EVT\_COMMAND\_SCROLL\_THUMBTRACK(id, func)}}{Process wxEVT\_SCROLL\_THUMBTRACK thumbtrack events (frequent events sent as the user drags the thumbtrack).} \twocolitem{{\bf EVT\_COMMAND\_SCROLL\_THUMBRELEASE(func)}}{Process wxEVT\_SCROLL\_THUMBRELEASE thumb release events.} -\twocolitem{{\bf EVT\_COMMAND\_SCROLL\_ENDSCROLL(func)}}{Process wxEVT\_SCROLL\_ENDSCROLL end of scrolling events (MSW only).} +\twocolitem{{\bf EVT\_COMMAND\_SCROLL\_CHANGED(func)}}{Process wxEVT\_SCROLL\_CHANGED end of scrolling events (MSW only).} \end{twocollist}% + +\wxheading{The difference between {\tt EVT\_SCROLL\_THUMBRELEASE} and {\tt EVT\_SCROLL\_CHANGED}} + +The {\tt EVT\_SCROLL\_THUMBRELEASE} event is only emitted when actually dragging +the thumb using the mouse and releasing it (This {\tt EVT\_SCROLL\_THUMBRELEASE} +event is also followed by an {\tt EVT\_SCROLL\_CHANGED} event). + +The {\tt EVT\_SCROLL\_CHANGED} event also occurs when using the keyboard to +change the thumb position, and when clicking next to the thumb (In all these +cases the {\tt EVT\_SCROLL\_THUMBRELEASE} event does not happen). + +In short, the {\tt EVT\_SCROLL\_CHANGED} event is triggered when scrolling/ +moving has finished independently of the way it had started. Please see the +widgets sample ("Slider" page) to see the difference between {\tt +EVT\_SCROLL\_THUMBRELEASE} and {\tt EVT\_SCROLL\_CHANGED} in action. +