reactos/base/applications/mspaint/scrollbox.h
Katayama Hirofumi MZ 90c3f89bb2
[MSPAINT] Mouse Wheel support (#4195)
Improve usability by mouse wheel handling. Plain wheel, Ctrl+Wheel, and Shift+Wheel. CORE-17937
2021-12-27 22:20:22 +09:00

31 lines
1.1 KiB
C++

/*
* PROJECT: PAINT for ReactOS
* LICENSE: LGPL
* FILE: base/applications/mspaint/scrollbox.h
* PURPOSE: Functionality surrounding the scroll box window class
* PROGRAMMERS: Benedikt Freisen
*/
#pragma once
class CScrollboxWindow : public CWindowImpl<CScrollboxWindow>
{
public:
DECLARE_WND_CLASS_EX(_T("Scrollbox"), 0, COLOR_APPWORKSPACE)
BEGIN_MSG_MAP(CScrollboxWindow)
MESSAGE_HANDLER(WM_SIZE, OnSize)
MESSAGE_HANDLER(WM_HSCROLL, OnHScroll)
MESSAGE_HANDLER(WM_VSCROLL, OnVScroll)
MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
MESSAGE_HANDLER(WM_MOUSEWHEEL, OnMouseWheel)
END_MSG_MAP()
LRESULT OnSize(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnHScroll(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnVScroll(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnLButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnMouseWheel(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
};
void UpdateScrollbox();