diff options
| -rw-r--r-- | doc/ScintillaHistory.html | 1 | ||||
| -rw-r--r-- | win32/PlatWin.cxx | 32 | ||||
| -rw-r--r-- | win32/ScintillaWin.cxx | 7 | 
3 files changed, 39 insertions, 1 deletions
| diff --git a/doc/ScintillaHistory.html b/doc/ScintillaHistory.html index 27430ae52..bfe47bebc 100644 --- a/doc/ScintillaHistory.html +++ b/doc/ScintillaHistory.html @@ -383,6 +383,7 @@        </tr><tr>  	<td>Occam's Razor</td>  	<td>Ben Bluemel</td> +	<td>David Wolfendale</td>      </tr>      </table>      <p> diff --git a/win32/PlatWin.cxx b/win32/PlatWin.cxx index 6a2f103ba..0ccc8aa13 100644 --- a/win32/PlatWin.cxx +++ b/win32/PlatWin.cxx @@ -1382,6 +1382,7 @@ class ListBoxX : public ListBox {  	PRectangle rcPreSize;  	Point dragOffset;  	Point location;	// Caret location at which the list is opened +	int wheelDelta; // mouse wheel residue  	HWND GetHWND() const;  	void AppendListItem(const char *startword, const char *numword); @@ -1409,7 +1410,7 @@ public:  	ListBoxX() : lineHeight(10), fontCopy(0), lb(0), unicodeMode(false),  		desiredVisibleRows(5), maxItemCharacters(0), aveCharWidth(8),  		parent(NULL), ctrlID(0), doubleClickAction(NULL), doubleClickActionData(NULL), -		widestItem(NULL), maxCharWidth(1), resizeHit(0) { +		widestItem(NULL), maxCharWidth(1), resizeHit(0), wheelDelta(0) {  	}  	virtual ~ListBoxX() {  		if (fontCopy) { @@ -1986,6 +1987,10 @@ LRESULT PASCAL ListBoxX::ControlWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPA  				}  			}  			return 0; + +		case WM_MBUTTONDOWN: +			// disable the scroll wheel button click action +			return 0;  		}  		WNDPROC prevWndProc = reinterpret_cast<WNDPROC>(GetWindowLongPtr(hWnd, GWLP_USERDATA)); @@ -2097,6 +2102,31 @@ LRESULT ListBoxX::WndProc(HWND hWnd, UINT iMessage, WPARAM wParam, LPARAM lParam  		}  		return ::DefWindowProc(hWnd, iMessage, wParam, lParam); +	case WM_MOUSEWHEEL: +		wheelDelta -= GET_WHEEL_DELTA_WPARAM(wParam); +		if (abs(wheelDelta) >= WHEEL_DELTA) { +			int nRows = GetVisibleRows(); +			int linesToScroll = 1; +			if (nRows > 1) { +				linesToScroll = nRows - 1; +			} +			if (linesToScroll > 3) { +				linesToScroll = 3; +			} +			linesToScroll *= (wheelDelta / WHEEL_DELTA); +			int top = ::SendMessage(lb, LB_GETTOPINDEX, 0, 0) + linesToScroll; +			if (top < 0) { +				top = 0; +			} +			::SendMessage(lb, LB_SETTOPINDEX, top, 0); +			// update wheel delta residue +			if (wheelDelta >= 0) +				wheelDelta = wheelDelta % WHEEL_DELTA; +			else +				wheelDelta = - (-wheelDelta % WHEEL_DELTA); +		} +		break; +  	default:  		return ::DefWindowProc(hWnd, iMessage, wParam, lParam);  	} diff --git a/win32/ScintillaWin.cxx b/win32/ScintillaWin.cxx index 9925a64bb..d1f450479 100644 --- a/win32/ScintillaWin.cxx +++ b/win32/ScintillaWin.cxx @@ -680,6 +680,13 @@ sptr_t ScintillaWin::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam  			break;  		case WM_MOUSEWHEEL: +			// if autocomplete list active then send mousewheel message to it +			if (ac.Active()) { +				HWND hWnd = reinterpret_cast<HWND>(ac.lb->GetID()); +				::SendMessage(hWnd, iMessage, wParam, lParam); +				break; +			} +			  			// Don't handle datazoom.  			// (A good idea for datazoom would be to "fold" or "unfold" details.  			// i.e. if datazoomed out only class structures are visible, when datazooming in the control | 
