mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-11-14 21:37:52 -07:00
e6fe5ec42f
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1437 8ced0084-cf51-0410-be5f-012b33b47a6e
2016 lines
55 KiB
C++
2016 lines
55 KiB
C++
// Windows Template Library - WTL version 8.0
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// Copyright (C) Microsoft Corporation. All rights reserved.
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//
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// This file is a part of the Windows Template Library.
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// The use and distribution terms for this software are covered by the
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// Common Public License 1.0 (http://opensource.org/osi3.0/licenses/cpl1.0.php)
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// which can be found in the file CPL.TXT at the root of this distribution.
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// By using this software in any fashion, you are agreeing to be bound by
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// the terms of this license. You must not remove this notice, or
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// any other, from this software.
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#ifndef __ATLSCRL_H__
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#define __ATLSCRL_H__
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#pragma once
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#ifndef __cplusplus
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#error ATL requires C++ compilation (use a .cpp suffix)
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#endif
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#ifndef __ATLAPP_H__
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#error atlscrl.h requires atlapp.h to be included first
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#endif
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#ifndef __ATLWIN_H__
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#error atlscrl.h requires atlwin.h to be included first
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#endif
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#if !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)) && !defined(_WIN32_WCE)
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#include <zmouse.h>
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#endif // !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)) && !defined(_WIN32_WCE)
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#ifndef GET_WHEEL_DELTA_WPARAM
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#define GET_WHEEL_DELTA_WPARAM(wParam) ((short)HIWORD(wParam))
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#endif
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#ifndef WM_MOUSEHWHEEL
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#define WM_MOUSEHWHEEL 0x020E
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// Classes in this file:
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//
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// CScrollImpl<T>
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// CScrollWindowImpl<T, TBase, TWinTraits>
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// CMapScrollImpl<T>
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// CMapScrollWindowImpl<T, TBase, TWinTraits>
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// CFSBWindowT<TBase>
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// CZoomScrollImpl<T>
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// CZoomScrollWindowImpl<T, TBase, TWinTraits>
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// CScrollContainerImpl<T, TBase, TWinTraits>
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// CScrollContainer
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namespace WTL
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{
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///////////////////////////////////////////////////////////////////////////////
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// CScrollImpl - Provides scrolling support to any window
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// Scroll extended styles
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#define SCRL_SCROLLCHILDREN 0x00000001
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#define SCRL_ERASEBACKGROUND 0x00000002
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#define SCRL_NOTHUMBTRACKING 0x00000004
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#if (WINVER >= 0x0500)
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#define SCRL_SMOOTHSCROLL 0x00000008
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#endif // (WINVER >= 0x0500)
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#define SCRL_DISABLENOSCROLLV 0x00000010
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#define SCRL_DISABLENOSCROLLH 0x00000020
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#define SCRL_DISABLENOSCROLL (SCRL_DISABLENOSCROLLV | SCRL_DISABLENOSCROLLH)
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template <class T>
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class CScrollImpl
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{
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public:
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enum { uSCROLL_FLAGS = SW_INVALIDATE };
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POINT m_ptOffset;
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SIZE m_sizeAll;
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SIZE m_sizeLine;
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SIZE m_sizePage;
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SIZE m_sizeClient;
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int m_zDelta; // current wheel value
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int m_nWheelLines; // number of lines to scroll on wheel
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#if !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)) && !defined(_WIN32_WCE)
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// Note that this message must be forwarded from a top level window
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UINT m_uMsgMouseWheel; // MSH_MOUSEWHEEL
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#endif // !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)) && !defined(_WIN32_WCE)
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int m_zHDelta; // current horizontal wheel value
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int m_nHWheelChars; // number of chars to scroll on horizontal wheel
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UINT m_uScrollFlags;
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DWORD m_dwExtendedStyle; // scroll specific extended styles
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// Constructor
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CScrollImpl() : m_zDelta(0), m_nWheelLines(3),
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#if !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)) && !defined(_WIN32_WCE)
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m_uMsgMouseWheel(0U),
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#endif // !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)) && !defined(_WIN32_WCE)
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m_zHDelta(0), m_nHWheelChars(3),
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m_uScrollFlags(0U), m_dwExtendedStyle(0)
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{
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m_ptOffset.x = 0;
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m_ptOffset.y = 0;
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m_sizeAll.cx = 0;
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m_sizeAll.cy = 0;
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m_sizePage.cx = 0;
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m_sizePage.cy = 0;
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m_sizeLine.cx = 0;
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m_sizeLine.cy = 0;
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m_sizeClient.cx = 0;
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m_sizeClient.cy = 0;
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SetScrollExtendedStyle(SCRL_SCROLLCHILDREN | SCRL_ERASEBACKGROUND);
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}
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// Attributes & Operations
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DWORD GetScrollExtendedStyle() const
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{
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return m_dwExtendedStyle;
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}
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DWORD SetScrollExtendedStyle(DWORD dwExtendedStyle, DWORD dwMask = 0)
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{
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DWORD dwPrevStyle = m_dwExtendedStyle;
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if(dwMask == 0)
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m_dwExtendedStyle = dwExtendedStyle;
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else
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m_dwExtendedStyle = (m_dwExtendedStyle & ~dwMask) | (dwExtendedStyle & dwMask);
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// cache scroll flags
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T* pT = static_cast<T*>(this);
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pT; // avoid level 4 warning
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m_uScrollFlags = pT->uSCROLL_FLAGS | (IsScrollingChildren() ? SW_SCROLLCHILDREN : 0) | (IsErasingBackground() ? SW_ERASE : 0);
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#if (WINVER >= 0x0500) && !defined(_WIN32_WCE)
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m_uScrollFlags |= (IsSmoothScroll() ? SW_SMOOTHSCROLL : 0);
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#endif // (WINVER >= 0x0500) && !defined(_WIN32_WCE)
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return dwPrevStyle;
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}
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// offset operations
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void SetScrollOffset(int x, int y, BOOL bRedraw = TRUE)
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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pT->AdjustScrollOffset(x, y);
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int dx = m_ptOffset.x - x;
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int dy = m_ptOffset.y - y;
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m_ptOffset.x = x;
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m_ptOffset.y = y;
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// block: set horizontal scroll bar
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{
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SCROLLINFO si = { sizeof(SCROLLINFO) };
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si.fMask = SIF_POS;
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if((m_dwExtendedStyle & SCRL_DISABLENOSCROLLH) != 0)
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si.fMask |= SIF_DISABLENOSCROLL;
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si.nPos = m_ptOffset.x;
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pT->SetScrollInfo(SB_HORZ, &si, bRedraw);
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}
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// block: set vertical scroll bar
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{
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SCROLLINFO si = { sizeof(SCROLLINFO) };
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si.fMask = SIF_POS;
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if((m_dwExtendedStyle & SCRL_DISABLENOSCROLLV) != 0)
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si.fMask |= SIF_DISABLENOSCROLL;
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si.nPos = m_ptOffset.y;
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pT->SetScrollInfo(SB_VERT, &si, bRedraw);
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}
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// Move all children if needed
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if(IsScrollingChildren() && (dx != 0 || dy != 0))
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{
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for(HWND hWndChild = ::GetWindow(pT->m_hWnd, GW_CHILD); hWndChild != NULL; hWndChild = ::GetWindow(hWndChild, GW_HWNDNEXT))
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{
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RECT rect = { 0 };
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::GetWindowRect(hWndChild, &rect);
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::MapWindowPoints(NULL, pT->m_hWnd, (LPPOINT)&rect, 1);
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::SetWindowPos(hWndChild, NULL, rect.left + dx, rect.top + dy, 0, 0, SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);
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}
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}
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if(bRedraw)
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pT->Invalidate();
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}
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void SetScrollOffset(POINT ptOffset, BOOL bRedraw = TRUE)
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{
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SetScrollOffset(ptOffset.x, ptOffset.y, bRedraw);
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}
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void GetScrollOffset(POINT& ptOffset) const
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{
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ptOffset = m_ptOffset;
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}
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// size operations
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void SetScrollSize(int cx, int cy, BOOL bRedraw = TRUE, bool bResetOffset = true)
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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m_sizeAll.cx = cx;
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m_sizeAll.cy = cy;
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int x = 0;
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int y = 0;
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if(!bResetOffset)
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{
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x = m_ptOffset.x;
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y = m_ptOffset.y;
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pT->AdjustScrollOffset(x, y);
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}
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int dx = m_ptOffset.x - x;
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int dy = m_ptOffset.y - y;
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m_ptOffset.x = x;
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m_ptOffset.y = y;
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// block: set horizontal scroll bar
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{
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SCROLLINFO si = { sizeof(SCROLLINFO) };
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si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
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if((m_dwExtendedStyle & SCRL_DISABLENOSCROLLH) != 0)
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si.fMask |= SIF_DISABLENOSCROLL;
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si.nMin = 0;
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si.nMax = m_sizeAll.cx - 1;
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si.nPage = m_sizeClient.cx;
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si.nPos = m_ptOffset.x;
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pT->SetScrollInfo(SB_HORZ, &si, bRedraw);
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}
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// block: set vertical scroll bar
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{
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SCROLLINFO si = { sizeof(SCROLLINFO) };
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si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
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if((m_dwExtendedStyle & SCRL_DISABLENOSCROLLV) != 0)
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si.fMask |= SIF_DISABLENOSCROLL;
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si.nMin = 0;
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si.nMax = m_sizeAll.cy - 1;
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si.nPage = m_sizeClient.cy;
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si.nPos = m_ptOffset.y;
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pT->SetScrollInfo(SB_VERT, &si, bRedraw);
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}
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// Move all children if needed
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if(IsScrollingChildren() && (dx != 0 || dy != 0))
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{
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for(HWND hWndChild = ::GetWindow(pT->m_hWnd, GW_CHILD); hWndChild != NULL; hWndChild = ::GetWindow(hWndChild, GW_HWNDNEXT))
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{
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RECT rect = { 0 };
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::GetWindowRect(hWndChild, &rect);
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::MapWindowPoints(NULL, pT->m_hWnd, (LPPOINT)&rect, 1);
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::SetWindowPos(hWndChild, NULL, rect.left + dx, rect.top + dy, 0, 0, SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);
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}
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}
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SetScrollLine(0, 0);
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SetScrollPage(0, 0);
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if(bRedraw)
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pT->Invalidate();
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}
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void SetScrollSize(SIZE size, BOOL bRedraw = TRUE, bool bResetOffset = true)
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{
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SetScrollSize(size.cx, size.cy, bRedraw, bResetOffset);
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}
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void GetScrollSize(SIZE& sizeWnd) const
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{
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sizeWnd = m_sizeAll;
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}
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// line operations
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void SetScrollLine(int cxLine, int cyLine)
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{
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ATLASSERT(cxLine >= 0 && cyLine >= 0);
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ATLASSERT(m_sizeAll.cx != 0 && m_sizeAll.cy != 0);
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m_sizeLine.cx = T::CalcLineOrPage(cxLine, m_sizeAll.cx, 100);
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m_sizeLine.cy = T::CalcLineOrPage(cyLine, m_sizeAll.cy, 100);
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}
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void SetScrollLine(SIZE sizeLine)
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{
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SetScrollLine(sizeLine.cx, sizeLine.cy);
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}
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void GetScrollLine(SIZE& sizeLine) const
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{
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sizeLine = m_sizeLine;
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}
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// page operations
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void SetScrollPage(int cxPage, int cyPage)
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{
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ATLASSERT(cxPage >= 0 && cyPage >= 0);
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ATLASSERT(m_sizeAll.cx != 0 && m_sizeAll.cy != 0);
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m_sizePage.cx = T::CalcLineOrPage(cxPage, m_sizeAll.cx, 10);
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m_sizePage.cy = T::CalcLineOrPage(cyPage, m_sizeAll.cy, 10);
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}
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void SetScrollPage(SIZE sizePage)
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{
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SetScrollPage(sizePage.cx, sizePage.cy);
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}
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void GetScrollPage(SIZE& sizePage) const
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{
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sizePage = m_sizePage;
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}
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// commands
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void ScrollLineDown()
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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pT->DoScroll(SB_VERT, SB_LINEDOWN, (int&)m_ptOffset.y, m_sizeAll.cy, m_sizePage.cy, m_sizeLine.cy);
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}
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void ScrollLineUp()
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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pT->DoScroll(SB_VERT, SB_LINEUP, (int&)m_ptOffset.y, m_sizeAll.cy, m_sizePage.cy, m_sizeLine.cy);
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}
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void ScrollPageDown()
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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pT->DoScroll(SB_VERT, SB_PAGEDOWN, (int&)m_ptOffset.y, m_sizeAll.cy, m_sizePage.cy, m_sizeLine.cy);
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}
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void ScrollPageUp()
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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pT->DoScroll(SB_VERT, SB_PAGEUP, (int&)m_ptOffset.y, m_sizeAll.cy, m_sizePage.cy, m_sizeLine.cy);
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}
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void ScrollTop()
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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pT->DoScroll(SB_VERT, SB_TOP, (int&)m_ptOffset.y, m_sizeAll.cy, m_sizePage.cy, m_sizeLine.cy);
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}
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void ScrollBottom()
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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pT->DoScroll(SB_VERT, SB_BOTTOM, (int&)m_ptOffset.y, m_sizeAll.cy, m_sizePage.cy, m_sizeLine.cy);
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}
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void ScrollLineRight()
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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pT->DoScroll(SB_HORZ, SB_LINEDOWN, (int&)m_ptOffset.x, m_sizeAll.cx, m_sizePage.cx, m_sizeLine.cx);
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}
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void ScrollLineLeft()
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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pT->DoScroll(SB_HORZ, SB_LINEUP, (int&)m_ptOffset.x, m_sizeAll.cx, m_sizePage.cx, m_sizeLine.cx);
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}
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void ScrollPageRight()
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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pT->DoScroll(SB_HORZ, SB_PAGEDOWN, (int&)m_ptOffset.x, m_sizeAll.cx, m_sizePage.cx, m_sizeLine.cx);
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}
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void ScrollPageLeft()
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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pT->DoScroll(SB_HORZ, SB_PAGEUP, (int&)m_ptOffset.x, m_sizeAll.cx, m_sizePage.cx, m_sizeLine.cx);
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}
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void ScrollAllLeft()
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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pT->DoScroll(SB_HORZ, SB_TOP, (int&)m_ptOffset.x, m_sizeAll.cx, m_sizePage.cx, m_sizeLine.cx);
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}
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void ScrollAllRight()
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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pT->DoScroll(SB_HORZ, SB_BOTTOM, (int&)m_ptOffset.x, m_sizeAll.cx, m_sizePage.cx, m_sizeLine.cx);
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}
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// scroll to make point/view/window visible
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void ScrollToView(POINT pt)
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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RECT rect = { pt.x, pt.y, pt.x, pt.y };
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pT->ScrollToView(rect);
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}
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void ScrollToView(RECT& rect)
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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RECT rcClient = { 0 };
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pT->GetClientRect(&rcClient);
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int x = m_ptOffset.x;
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if(rect.left < m_ptOffset.x)
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x = rect.left;
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else if(rect.right > (m_ptOffset.x + rcClient.right))
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x = rect.right - rcClient.right;
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int y = m_ptOffset.y;
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if(rect.top < m_ptOffset.y)
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y = rect.top;
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else if(rect.bottom > (m_ptOffset.y + rcClient.bottom))
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y = rect.bottom - rcClient.bottom;
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SetScrollOffset(x, y);
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}
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void ScrollToView(HWND hWnd)
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{
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T* pT = static_cast<T*>(this);
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ATLASSERT(::IsWindow(pT->m_hWnd));
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RECT rect = { 0 };
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::GetWindowRect(hWnd, &rect);
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::MapWindowPoints(NULL, pT->m_hWnd, (LPPOINT)&rect, 2);
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ScrollToView(rect);
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}
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BEGIN_MSG_MAP(CScrollImpl)
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MESSAGE_HANDLER(WM_CREATE, OnCreate)
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MESSAGE_HANDLER(WM_VSCROLL, OnVScroll)
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MESSAGE_HANDLER(WM_HSCROLL, OnHScroll)
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MESSAGE_HANDLER(WM_MOUSEWHEEL, OnMouseWheel)
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#if !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)) && !defined(_WIN32_WCE)
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MESSAGE_HANDLER(m_uMsgMouseWheel, OnMouseWheel)
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#endif // !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)) && !defined(_WIN32_WCE)
|
|
MESSAGE_HANDLER(WM_MOUSEHWHEEL, OnMouseHWheel)
|
|
MESSAGE_HANDLER(WM_SETTINGCHANGE, OnSettingChange)
|
|
MESSAGE_HANDLER(WM_SIZE, OnSize)
|
|
MESSAGE_HANDLER(WM_PAINT, OnPaint)
|
|
#ifndef _WIN32_WCE
|
|
MESSAGE_HANDLER(WM_PRINTCLIENT, OnPaint)
|
|
#endif // !_WIN32_WCE
|
|
// standard scroll commands
|
|
ALT_MSG_MAP(1)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_UP, OnScrollUp)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_DOWN, OnScrollDown)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_UP, OnScrollPageUp)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_DOWN, OnScrollPageDown)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_TOP, OnScrollTop)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_BOTTOM, OnScrollBottom)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_LEFT, OnScrollLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_RIGHT, OnScrollRight)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_LEFT, OnScrollPageLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_RIGHT, OnScrollPageRight)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_ALL_LEFT, OnScrollAllLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_ALL_RIGHT, OnScrollAllRight)
|
|
END_MSG_MAP()
|
|
|
|
LRESULT OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
|
|
{
|
|
GetSystemSettings();
|
|
bHandled = FALSE;
|
|
return 1;
|
|
}
|
|
|
|
LRESULT OnVScroll(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
ATLASSERT(::IsWindow(pT->m_hWnd));
|
|
pT->DoScroll(SB_VERT, (int)(short)LOWORD(wParam), (int&)m_ptOffset.y, m_sizeAll.cy, m_sizePage.cy, m_sizeLine.cy);
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnHScroll(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
ATLASSERT(::IsWindow(pT->m_hWnd));
|
|
pT->DoScroll(SB_HORZ, (int)(short)LOWORD(wParam), (int&)m_ptOffset.x, m_sizeAll.cx, m_sizePage.cx, m_sizeLine.cx);
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnMouseWheel(UINT uMsg, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
ATLASSERT(::IsWindow(pT->m_hWnd));
|
|
|
|
#if (_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400) || defined(_WIN32_WCE)
|
|
uMsg;
|
|
int zDelta = (int)GET_WHEEL_DELTA_WPARAM(wParam);
|
|
#else
|
|
int zDelta = (uMsg == WM_MOUSEWHEEL) ? (int)GET_WHEEL_DELTA_WPARAM(wParam) : (int)wParam;
|
|
#endif // !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400) || defined(_WIN32_WCE))
|
|
int nScrollCode = (m_nWheelLines == WHEEL_PAGESCROLL) ? ((zDelta > 0) ? SB_PAGEUP : SB_PAGEDOWN) : ((zDelta > 0) ? SB_LINEUP : SB_LINEDOWN);
|
|
m_zDelta += zDelta; // cumulative
|
|
int zTotal = (m_nWheelLines == WHEEL_PAGESCROLL) ? abs(m_zDelta) : abs(m_zDelta) * m_nWheelLines;
|
|
if(m_sizeAll.cy > m_sizeClient.cy)
|
|
{
|
|
for(int i = 0; i < zTotal; i += WHEEL_DELTA)
|
|
{
|
|
pT->DoScroll(SB_VERT, nScrollCode, (int&)m_ptOffset.y, m_sizeAll.cy, m_sizePage.cy, m_sizeLine.cy);
|
|
pT->UpdateWindow();
|
|
}
|
|
}
|
|
else // can't scroll vertically, scroll horizontally
|
|
{
|
|
for(int i = 0; i < zTotal; i += WHEEL_DELTA)
|
|
{
|
|
pT->DoScroll(SB_HORZ, nScrollCode, (int&)m_ptOffset.x, m_sizeAll.cx, m_sizePage.cx, m_sizeLine.cx);
|
|
pT->UpdateWindow();
|
|
}
|
|
}
|
|
m_zDelta %= WHEEL_DELTA;
|
|
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnMouseHWheel(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
ATLASSERT(::IsWindow(pT->m_hWnd));
|
|
|
|
int zDelta = (int)GET_WHEEL_DELTA_WPARAM(wParam);
|
|
int nScrollCode = (m_nHWheelChars == WHEEL_PAGESCROLL) ? ((zDelta > 0) ? SB_PAGERIGHT : SB_PAGELEFT) : ((zDelta > 0) ? SB_LINERIGHT : SB_LINELEFT);
|
|
m_zHDelta += zDelta; // cumulative
|
|
int zTotal = (m_nHWheelChars == WHEEL_PAGESCROLL) ? abs(m_zHDelta) : abs(m_zHDelta) * m_nHWheelChars;
|
|
if(m_sizeAll.cx > m_sizeClient.cx)
|
|
{
|
|
for(int i = 0; i < zTotal; i += WHEEL_DELTA)
|
|
{
|
|
pT->DoScroll(SB_HORZ, nScrollCode, (int&)m_ptOffset.x, m_sizeAll.cx, m_sizePage.cx, m_sizeLine.cx);
|
|
pT->UpdateWindow();
|
|
}
|
|
}
|
|
m_zHDelta %= WHEEL_DELTA;
|
|
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnSettingChange(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
|
|
{
|
|
GetSystemSettings();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnSize(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
ATLASSERT(::IsWindow(pT->m_hWnd));
|
|
|
|
m_sizeClient.cx = GET_X_LPARAM(lParam);
|
|
m_sizeClient.cy = GET_Y_LPARAM(lParam);
|
|
|
|
// block: set horizontal scroll bar
|
|
{
|
|
SCROLLINFO si = { sizeof(SCROLLINFO) };
|
|
si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
|
|
si.nMin = 0;
|
|
si.nMax = m_sizeAll.cx - 1;
|
|
if((m_dwExtendedStyle & SCRL_DISABLENOSCROLLH) != 0)
|
|
si.fMask |= SIF_DISABLENOSCROLL;
|
|
si.nPage = m_sizeClient.cx;
|
|
si.nPos = m_ptOffset.x;
|
|
pT->SetScrollInfo(SB_HORZ, &si, TRUE);
|
|
}
|
|
|
|
// block: set vertical scroll bar
|
|
{
|
|
SCROLLINFO si = { sizeof(SCROLLINFO) };
|
|
si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
|
|
si.nMin = 0;
|
|
si.nMax = m_sizeAll.cy - 1;
|
|
if((m_dwExtendedStyle & SCRL_DISABLENOSCROLLV) != 0)
|
|
si.fMask |= SIF_DISABLENOSCROLL;
|
|
si.nPage = m_sizeClient.cy;
|
|
si.nPos = m_ptOffset.y;
|
|
pT->SetScrollInfo(SB_VERT, &si, TRUE);
|
|
}
|
|
|
|
int x = m_ptOffset.x;
|
|
int y = m_ptOffset.y;
|
|
if(pT->AdjustScrollOffset(x, y))
|
|
{
|
|
// Children will be moved in SetScrollOffset, if needed
|
|
pT->ScrollWindowEx(m_ptOffset.x - x, m_ptOffset.y - y, (m_uScrollFlags & ~SCRL_SCROLLCHILDREN));
|
|
SetScrollOffset(x, y, FALSE);
|
|
}
|
|
|
|
bHandled = FALSE;
|
|
return 1;
|
|
}
|
|
|
|
LRESULT OnPaint(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
ATLASSERT(::IsWindow(pT->m_hWnd));
|
|
if(wParam != NULL)
|
|
{
|
|
CDCHandle dc = (HDC)wParam;
|
|
POINT ptViewportOrg = { 0, 0 };
|
|
dc.SetViewportOrg(-m_ptOffset.x, -m_ptOffset.y, &ptViewportOrg);
|
|
pT->DoPaint(dc);
|
|
dc.SetViewportOrg(ptViewportOrg);
|
|
}
|
|
else
|
|
{
|
|
CPaintDC dc(pT->m_hWnd);
|
|
dc.SetViewportOrg(-m_ptOffset.x, -m_ptOffset.y);
|
|
pT->DoPaint(dc.m_hDC);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// scrolling handlers
|
|
LRESULT OnScrollUp(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
|
|
{
|
|
ScrollLineUp();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnScrollDown(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
|
|
{
|
|
ScrollLineDown();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnScrollPageUp(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
|
|
{
|
|
ScrollPageUp();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnScrollPageDown(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
|
|
{
|
|
ScrollPageDown();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnScrollTop(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
|
|
{
|
|
ScrollTop();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnScrollBottom(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
|
|
{
|
|
ScrollBottom();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnScrollLeft(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
|
|
{
|
|
ScrollLineLeft();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnScrollRight(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
|
|
{
|
|
ScrollLineRight();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnScrollPageLeft(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
|
|
{
|
|
ScrollPageLeft();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnScrollPageRight(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
|
|
{
|
|
ScrollPageRight();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnScrollAllLeft(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
|
|
{
|
|
ScrollAllLeft();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnScrollAllRight(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
|
|
{
|
|
ScrollAllRight();
|
|
return 0;
|
|
}
|
|
|
|
// Overrideables
|
|
void DoPaint(CDCHandle /*dc*/)
|
|
{
|
|
// must be implemented in a derived class
|
|
ATLASSERT(FALSE);
|
|
}
|
|
|
|
// Implementation
|
|
void DoScroll(int nType, int nScrollCode, int& cxyOffset, int cxySizeAll, int cxySizePage, int cxySizeLine)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
RECT rect = { 0 };
|
|
pT->GetClientRect(&rect);
|
|
int cxyClient = (nType == SB_VERT) ? rect.bottom : rect.right;
|
|
int cxyMax = cxySizeAll - cxyClient;
|
|
|
|
if(cxyMax < 0) // can't scroll, client area is bigger
|
|
return;
|
|
|
|
bool bUpdate = true;
|
|
int cxyScroll = 0;
|
|
|
|
switch(nScrollCode)
|
|
{
|
|
case SB_TOP: // top or all left
|
|
cxyScroll = cxyOffset;
|
|
cxyOffset = 0;
|
|
break;
|
|
case SB_BOTTOM: // bottom or all right
|
|
cxyScroll = cxyOffset - cxyMax;
|
|
cxyOffset = cxyMax;
|
|
break;
|
|
case SB_LINEUP: // line up or line left
|
|
if(cxyOffset >= cxySizeLine)
|
|
{
|
|
cxyScroll = cxySizeLine;
|
|
cxyOffset -= cxySizeLine;
|
|
}
|
|
else
|
|
{
|
|
cxyScroll = cxyOffset;
|
|
cxyOffset = 0;
|
|
}
|
|
break;
|
|
case SB_LINEDOWN: // line down or line right
|
|
if(cxyOffset < cxyMax - cxySizeLine)
|
|
{
|
|
cxyScroll = -cxySizeLine;
|
|
cxyOffset += cxySizeLine;
|
|
}
|
|
else
|
|
{
|
|
cxyScroll = cxyOffset - cxyMax;
|
|
cxyOffset = cxyMax;
|
|
}
|
|
break;
|
|
case SB_PAGEUP: // page up or page left
|
|
if(cxyOffset >= cxySizePage)
|
|
{
|
|
cxyScroll = cxySizePage;
|
|
cxyOffset -= cxySizePage;
|
|
}
|
|
else
|
|
{
|
|
cxyScroll = cxyOffset;
|
|
cxyOffset = 0;
|
|
}
|
|
break;
|
|
case SB_PAGEDOWN: // page down or page right
|
|
if(cxyOffset < cxyMax - cxySizePage)
|
|
{
|
|
cxyScroll = -cxySizePage;
|
|
cxyOffset += cxySizePage;
|
|
}
|
|
else
|
|
{
|
|
cxyScroll = cxyOffset - cxyMax;
|
|
cxyOffset = cxyMax;
|
|
}
|
|
break;
|
|
case SB_THUMBTRACK:
|
|
if(IsNoThumbTracking())
|
|
break;
|
|
// else fall through
|
|
case SB_THUMBPOSITION:
|
|
{
|
|
SCROLLINFO si = { sizeof(SCROLLINFO), SIF_TRACKPOS };
|
|
if(pT->GetScrollInfo(nType, &si))
|
|
{
|
|
cxyScroll = cxyOffset - si.nTrackPos;
|
|
cxyOffset = si.nTrackPos;
|
|
}
|
|
}
|
|
break;
|
|
case SB_ENDSCROLL:
|
|
default:
|
|
bUpdate = false;
|
|
break;
|
|
}
|
|
|
|
if(bUpdate && cxyScroll != 0)
|
|
{
|
|
pT->SetScrollPos(nType, cxyOffset, TRUE);
|
|
if(nType == SB_VERT)
|
|
pT->ScrollWindowEx(0, cxyScroll, m_uScrollFlags);
|
|
else
|
|
pT->ScrollWindowEx(cxyScroll, 0, m_uScrollFlags);
|
|
}
|
|
}
|
|
|
|
static int CalcLineOrPage(int nVal, int nMax, int nDiv)
|
|
{
|
|
if(nVal == 0)
|
|
{
|
|
nVal = nMax / nDiv;
|
|
if(nVal < 1)
|
|
nVal = 1;
|
|
}
|
|
else if(nVal > nMax)
|
|
{
|
|
nVal = nMax;
|
|
}
|
|
|
|
return nVal;
|
|
}
|
|
|
|
bool AdjustScrollOffset(int& x, int& y)
|
|
{
|
|
int xOld = x;
|
|
int yOld = y;
|
|
|
|
int cxMax = m_sizeAll.cx - m_sizeClient.cx;
|
|
if(x > cxMax)
|
|
x = (cxMax >= 0) ? cxMax : 0;
|
|
else if(x < 0)
|
|
x = 0;
|
|
|
|
int cyMax = m_sizeAll.cy - m_sizeClient.cy;
|
|
if(y > cyMax)
|
|
y = (cyMax >= 0) ? cyMax : 0;
|
|
else if(y < 0)
|
|
y = 0;
|
|
|
|
return (x != xOld || y != yOld);
|
|
}
|
|
|
|
void GetSystemSettings()
|
|
{
|
|
#ifndef _WIN32_WCE
|
|
#ifndef SPI_GETWHEELSCROLLLINES
|
|
const UINT SPI_GETWHEELSCROLLLINES = 104;
|
|
#endif // !SPI_GETWHEELSCROLLLINES
|
|
::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0, &m_nWheelLines, 0);
|
|
|
|
#ifndef SPI_GETWHEELSCROLLCHARS
|
|
const UINT SPI_GETWHEELSCROLLCHARS = 0x006C;
|
|
#endif // !SPI_GETWHEELSCROLLCHARS
|
|
::SystemParametersInfo(SPI_GETWHEELSCROLLCHARS, 0, &m_nHWheelChars, 0);
|
|
|
|
#if !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400))
|
|
if(m_uMsgMouseWheel != 0)
|
|
m_uMsgMouseWheel = ::RegisterWindowMessage(MSH_MOUSEWHEEL);
|
|
|
|
HWND hWndWheel = FindWindow(MSH_WHEELMODULE_CLASS, MSH_WHEELMODULE_TITLE);
|
|
if(::IsWindow(hWndWheel))
|
|
{
|
|
UINT uMsgScrollLines = ::RegisterWindowMessage(MSH_SCROLL_LINES);
|
|
if(uMsgScrollLines != 0)
|
|
m_nWheelLines = (int)::SendMessage(hWndWheel, uMsgScrollLines, 0, 0L);
|
|
}
|
|
#endif // !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400))
|
|
#endif // !_WIN32_WCE
|
|
}
|
|
|
|
bool IsScrollingChildren() const
|
|
{
|
|
return (m_dwExtendedStyle & SCRL_SCROLLCHILDREN) != 0;
|
|
}
|
|
|
|
bool IsErasingBackground() const
|
|
{
|
|
return (m_dwExtendedStyle & SCRL_ERASEBACKGROUND) != 0;
|
|
}
|
|
|
|
bool IsNoThumbTracking() const
|
|
{
|
|
return (m_dwExtendedStyle & SCRL_NOTHUMBTRACKING) != 0;
|
|
}
|
|
|
|
#if (WINVER >= 0x0500)
|
|
bool IsSmoothScroll() const
|
|
{
|
|
return (m_dwExtendedStyle & SCRL_SMOOTHSCROLL) != 0;
|
|
}
|
|
#endif // (WINVER >= 0x0500)
|
|
};
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// CScrollWindowImpl - Implements a scrollable window
|
|
|
|
template <class T, class TBase = ATL::CWindow, class TWinTraits = ATL::CControlWinTraits>
|
|
class ATL_NO_VTABLE CScrollWindowImpl : public ATL::CWindowImpl<T, TBase, TWinTraits>, public CScrollImpl< T >
|
|
{
|
|
public:
|
|
BEGIN_MSG_MAP(CScrollWindowImpl)
|
|
MESSAGE_HANDLER(WM_VSCROLL, CScrollImpl< T >::OnVScroll)
|
|
MESSAGE_HANDLER(WM_HSCROLL, CScrollImpl< T >::OnHScroll)
|
|
MESSAGE_HANDLER(WM_MOUSEWHEEL, CScrollImpl< T >::OnMouseWheel)
|
|
#if !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)) && !defined(_WIN32_WCE)
|
|
MESSAGE_HANDLER(m_uMsgMouseWheel, CScrollImpl< T >::OnMouseWheel)
|
|
#endif // !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)) && !defined(_WIN32_WCE)
|
|
MESSAGE_HANDLER(WM_MOUSEHWHEEL, CScrollImpl< T >::OnMouseHWheel)
|
|
MESSAGE_HANDLER(WM_SETTINGCHANGE, CScrollImpl< T >::OnSettingChange)
|
|
MESSAGE_HANDLER(WM_SIZE, CScrollImpl< T >::OnSize)
|
|
MESSAGE_HANDLER(WM_PAINT, CScrollImpl< T >::OnPaint)
|
|
#ifndef _WIN32_WCE
|
|
MESSAGE_HANDLER(WM_PRINTCLIENT, CScrollImpl< T >::OnPaint)
|
|
#endif // !_WIN32_WCE
|
|
ALT_MSG_MAP(1)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_UP, CScrollImpl< T >::OnScrollUp)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_DOWN, CScrollImpl< T >::OnScrollDown)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_UP, CScrollImpl< T >::OnScrollPageUp)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_DOWN, CScrollImpl< T >::OnScrollPageDown)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_TOP, CScrollImpl< T >::OnScrollTop)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_BOTTOM, CScrollImpl< T >::OnScrollBottom)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_LEFT, CScrollImpl< T >::OnScrollLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_RIGHT, CScrollImpl< T >::OnScrollRight)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_LEFT, CScrollImpl< T >::OnScrollPageLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_RIGHT, CScrollImpl< T >::OnScrollPageRight)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_ALL_LEFT, CScrollImpl< T >::OnScrollAllLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_ALL_RIGHT, CScrollImpl< T >::OnScrollAllRight)
|
|
END_MSG_MAP()
|
|
};
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// CMapScrollImpl - Provides mapping and scrolling support to any window
|
|
|
|
#ifndef _WIN32_WCE
|
|
|
|
template <class T>
|
|
class CMapScrollImpl : public CScrollImpl< T >
|
|
{
|
|
public:
|
|
int m_nMapMode;
|
|
RECT m_rectLogAll;
|
|
SIZE m_sizeLogLine;
|
|
SIZE m_sizeLogPage;
|
|
|
|
// Constructor
|
|
CMapScrollImpl() : m_nMapMode(MM_TEXT)
|
|
{
|
|
::SetRectEmpty(&m_rectLogAll);
|
|
m_sizeLogPage.cx = 0;
|
|
m_sizeLogPage.cy = 0;
|
|
m_sizeLogLine.cx = 0;
|
|
m_sizeLogLine.cy = 0;
|
|
}
|
|
|
|
// Attributes & Operations
|
|
// mapping mode operations
|
|
void SetScrollMapMode(int nMapMode)
|
|
{
|
|
ATLASSERT(nMapMode >= MM_MIN && nMapMode <= MM_MAX_FIXEDSCALE);
|
|
m_nMapMode = nMapMode;
|
|
}
|
|
|
|
int GetScrollMapMode() const
|
|
{
|
|
ATLASSERT(m_nMapMode >= MM_MIN && m_nMapMode <= MM_MAX_FIXEDSCALE);
|
|
return m_nMapMode;
|
|
}
|
|
|
|
// offset operations
|
|
void SetScrollOffset(int x, int y, BOOL bRedraw = TRUE)
|
|
{
|
|
ATLASSERT(m_nMapMode >= MM_MIN && m_nMapMode <= MM_MAX_FIXEDSCALE);
|
|
POINT ptOff = { x, y };
|
|
// block: convert logical to device units
|
|
{
|
|
CWindowDC dc(NULL);
|
|
dc.SetMapMode(m_nMapMode);
|
|
dc.LPtoDP(&ptOff);
|
|
}
|
|
CScrollImpl< T >::SetScrollOffset(ptOff, bRedraw);
|
|
}
|
|
|
|
void SetScrollOffset(POINT ptOffset, BOOL bRedraw = TRUE)
|
|
{
|
|
SetScrollOffset(ptOffset.x, ptOffset.y, bRedraw);
|
|
}
|
|
|
|
void GetScrollOffset(POINT& ptOffset) const
|
|
{
|
|
ATLASSERT(m_nMapMode >= MM_MIN && m_nMapMode <= MM_MAX_FIXEDSCALE);
|
|
ptOffset = m_ptOffset;
|
|
// block: convert device to logical units
|
|
{
|
|
CWindowDC dc(NULL);
|
|
dc.SetMapMode(m_nMapMode);
|
|
dc.DPtoLP(&ptOffset);
|
|
}
|
|
}
|
|
|
|
// size operations
|
|
void SetScrollSize(int xMin, int yMin, int xMax, int yMax, BOOL bRedraw = TRUE, bool bResetOffset = true)
|
|
{
|
|
ATLASSERT(xMax > xMin && yMax > yMin);
|
|
ATLASSERT(m_nMapMode >= MM_MIN && m_nMapMode <= MM_MAX_FIXEDSCALE);
|
|
|
|
::SetRect(&m_rectLogAll, xMin, yMin, xMax, yMax);
|
|
|
|
SIZE sizeAll = { 0 };
|
|
sizeAll.cx = xMax - xMin + 1;
|
|
sizeAll.cy = yMax - yMin + 1;
|
|
// block: convert logical to device units
|
|
{
|
|
CWindowDC dc(NULL);
|
|
dc.SetMapMode(m_nMapMode);
|
|
dc.LPtoDP(&sizeAll);
|
|
}
|
|
CScrollImpl< T >::SetScrollSize(sizeAll, bRedraw, bResetOffset);
|
|
SetScrollLine(0, 0);
|
|
SetScrollPage(0, 0);
|
|
}
|
|
|
|
void SetScrollSize(RECT& rcScroll, BOOL bRedraw = TRUE, bool bResetOffset = true)
|
|
{
|
|
SetScrollSize(rcScroll.left, rcScroll.top, rcScroll.right, rcScroll.bottom, bRedraw, bResetOffset);
|
|
}
|
|
|
|
void SetScrollSize(int cx, int cy, BOOL bRedraw = TRUE, bool bResetOffset = true)
|
|
{
|
|
SetScrollSize(0, 0, cx, cy, bRedraw, bResetOffset);
|
|
}
|
|
|
|
void SetScrollSize(SIZE size, BOOL bRedraw = TRUE, bool bResetOffset = true)
|
|
{
|
|
SetScrollSize(0, 0, size.cx, size.cy, bRedraw, bResetOffset);
|
|
}
|
|
|
|
void GetScrollSize(RECT& rcScroll) const
|
|
{
|
|
ATLASSERT(m_nMapMode >= MM_MIN && m_nMapMode <= MM_MAX_FIXEDSCALE);
|
|
rcScroll = m_rectLogAll;
|
|
}
|
|
|
|
// line operations
|
|
void SetScrollLine(int cxLine, int cyLine)
|
|
{
|
|
ATLASSERT(cxLine >= 0 && cyLine >= 0);
|
|
ATLASSERT(m_nMapMode >= MM_MIN && m_nMapMode <= MM_MAX_FIXEDSCALE);
|
|
|
|
m_sizeLogLine.cx = cxLine;
|
|
m_sizeLogLine.cy = cyLine;
|
|
SIZE sizeLine = m_sizeLogLine;
|
|
// block: convert logical to device units
|
|
{
|
|
CWindowDC dc(NULL);
|
|
dc.SetMapMode(m_nMapMode);
|
|
dc.LPtoDP(&sizeLine);
|
|
}
|
|
CScrollImpl< T >::SetScrollLine(sizeLine);
|
|
}
|
|
|
|
void SetScrollLine(SIZE sizeLine)
|
|
{
|
|
SetScrollLine(sizeLine.cx, sizeLine.cy);
|
|
}
|
|
|
|
void GetScrollLine(SIZE& sizeLine) const
|
|
{
|
|
ATLASSERT(m_nMapMode >= MM_MIN && m_nMapMode <= MM_MAX_FIXEDSCALE);
|
|
sizeLine = m_sizeLogLine;
|
|
}
|
|
|
|
// page operations
|
|
void SetScrollPage(int cxPage, int cyPage)
|
|
{
|
|
ATLASSERT(cxPage >= 0 && cyPage >= 0);
|
|
ATLASSERT(m_nMapMode >= MM_MIN && m_nMapMode <= MM_MAX_FIXEDSCALE);
|
|
|
|
m_sizeLogPage.cx = cxPage;
|
|
m_sizeLogPage.cy = cyPage;
|
|
SIZE sizePage = m_sizeLogPage;
|
|
// block: convert logical to device units
|
|
{
|
|
CWindowDC dc(NULL);
|
|
dc.SetMapMode(m_nMapMode);
|
|
dc.LPtoDP(&sizePage);
|
|
}
|
|
CScrollImpl< T >::SetScrollPage(sizePage);
|
|
}
|
|
|
|
void SetScrollPage(SIZE sizePage)
|
|
{
|
|
SetScrollPage(sizePage.cx, sizePage.cy);
|
|
}
|
|
|
|
void GetScrollPage(SIZE& sizePage) const
|
|
{
|
|
ATLASSERT(m_nMapMode >= MM_MIN && m_nMapMode <= MM_MAX_FIXEDSCALE);
|
|
sizePage = m_sizeLogPage;
|
|
}
|
|
|
|
BEGIN_MSG_MAP(CMapScrollImpl)
|
|
MESSAGE_HANDLER(WM_VSCROLL, CScrollImpl< T >::OnVScroll)
|
|
MESSAGE_HANDLER(WM_HSCROLL, CScrollImpl< T >::OnHScroll)
|
|
MESSAGE_HANDLER(WM_MOUSEWHEEL, CScrollImpl< T >::OnMouseWheel)
|
|
#if !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400))
|
|
MESSAGE_HANDLER(m_uMsgMouseWheel, CScrollImpl< T >::OnMouseWheel)
|
|
#endif // !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400))
|
|
MESSAGE_HANDLER(WM_MOUSEHWHEEL, CScrollImpl< T >::OnMouseHWheel)
|
|
MESSAGE_HANDLER(WM_SETTINGCHANGE, CScrollImpl< T >::OnSettingChange)
|
|
MESSAGE_HANDLER(WM_SIZE, CScrollImpl< T >::OnSize)
|
|
MESSAGE_HANDLER(WM_PAINT, OnPaint)
|
|
MESSAGE_HANDLER(WM_PRINTCLIENT, OnPaint)
|
|
ALT_MSG_MAP(1)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_UP, CScrollImpl< T >::OnScrollUp)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_DOWN, CScrollImpl< T >::OnScrollDown)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_UP, CScrollImpl< T >::OnScrollPageUp)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_DOWN, CScrollImpl< T >::OnScrollPageDown)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_TOP, CScrollImpl< T >::OnScrollTop)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_BOTTOM, CScrollImpl< T >::OnScrollBottom)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_LEFT, CScrollImpl< T >::OnScrollLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_RIGHT, CScrollImpl< T >::OnScrollRight)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_LEFT, CScrollImpl< T >::OnScrollPageLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_RIGHT, CScrollImpl< T >::OnScrollPageRight)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_ALL_LEFT, CScrollImpl< T >::OnScrollAllLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_ALL_RIGHT, CScrollImpl< T >::OnScrollAllRight)
|
|
END_MSG_MAP()
|
|
|
|
LRESULT OnPaint(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
ATLASSERT(::IsWindow(pT->m_hWnd));
|
|
if(wParam != NULL)
|
|
{
|
|
CDCHandle dc = (HDC)wParam;
|
|
int nMapModeSav = dc.GetMapMode();
|
|
dc.SetMapMode(m_nMapMode);
|
|
POINT ptViewportOrg = { 0, 0 };
|
|
if(m_nMapMode == MM_TEXT)
|
|
dc.SetViewportOrg(-m_ptOffset.x, -m_ptOffset.y, &ptViewportOrg);
|
|
else
|
|
dc.SetViewportOrg(-m_ptOffset.x, -m_ptOffset.y + m_sizeAll.cy, &ptViewportOrg);
|
|
POINT ptWindowOrg = { 0, 0 };
|
|
dc.SetWindowOrg(m_rectLogAll.left, m_rectLogAll.top, &ptWindowOrg);
|
|
|
|
pT->DoPaint(dc);
|
|
|
|
dc.SetMapMode(nMapModeSav);
|
|
dc.SetViewportOrg(ptViewportOrg);
|
|
dc.SetWindowOrg(ptWindowOrg);
|
|
}
|
|
else
|
|
{
|
|
CPaintDC dc(pT->m_hWnd);
|
|
dc.SetMapMode(m_nMapMode);
|
|
if(m_nMapMode == MM_TEXT)
|
|
dc.SetViewportOrg(-m_ptOffset.x, -m_ptOffset.y);
|
|
else
|
|
dc.SetViewportOrg(-m_ptOffset.x, -m_ptOffset.y + m_sizeAll.cy);
|
|
dc.SetWindowOrg(m_rectLogAll.left, m_rectLogAll.top);
|
|
pT->DoPaint(dc.m_hDC);
|
|
}
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
#endif // !_WIN32_WCE
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// CMapScrollWindowImpl - Implements scrolling window with mapping
|
|
|
|
#ifndef _WIN32_WCE
|
|
|
|
template <class T, class TBase = ATL::CWindow, class TWinTraits = ATL::CControlWinTraits>
|
|
class ATL_NO_VTABLE CMapScrollWindowImpl : public ATL::CWindowImpl< T, TBase, TWinTraits >, public CMapScrollImpl< T >
|
|
{
|
|
public:
|
|
BEGIN_MSG_MAP(CMapScrollWindowImpl)
|
|
MESSAGE_HANDLER(WM_VSCROLL, CScrollImpl< T >::OnVScroll)
|
|
MESSAGE_HANDLER(WM_HSCROLL, CScrollImpl< T >::OnHScroll)
|
|
MESSAGE_HANDLER(WM_MOUSEWHEEL, CScrollImpl< T >::OnMouseWheel)
|
|
#if !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400))
|
|
MESSAGE_HANDLER(m_uMsgMouseWheel, CScrollImpl< T >::OnMouseWheel)
|
|
#endif // !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400))
|
|
MESSAGE_HANDLER(WM_MOUSEHWHEEL, CScrollImpl< T >::OnMouseHWheel)
|
|
MESSAGE_HANDLER(WM_SETTINGCHANGE, CScrollImpl< T >::OnSettingChange)
|
|
MESSAGE_HANDLER(WM_SIZE, CScrollImpl< T >::OnSize)
|
|
MESSAGE_HANDLER(WM_PAINT, CMapScrollImpl< T >::OnPaint)
|
|
MESSAGE_HANDLER(WM_PRINTCLIENT, CMapScrollImpl< T >::OnPaint)
|
|
ALT_MSG_MAP(1)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_UP, CScrollImpl< T >::OnScrollUp)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_DOWN, CScrollImpl< T >::OnScrollDown)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_UP, CScrollImpl< T >::OnScrollPageUp)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_DOWN, CScrollImpl< T >::OnScrollPageDown)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_TOP, CScrollImpl< T >::OnScrollTop)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_BOTTOM, CScrollImpl< T >::OnScrollBottom)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_LEFT, CScrollImpl< T >::OnScrollLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_RIGHT, CScrollImpl< T >::OnScrollRight)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_LEFT, CScrollImpl< T >::OnScrollPageLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_RIGHT, CScrollImpl< T >::OnScrollPageRight)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_ALL_LEFT, CScrollImpl< T >::OnScrollAllLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_ALL_RIGHT, CScrollImpl< T >::OnScrollAllRight)
|
|
END_MSG_MAP()
|
|
};
|
|
|
|
#endif // !_WIN32_WCE
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// CFSBWindow - Use as a base instead of CWindow to get flat scroll bar support
|
|
|
|
#if defined(__ATLCTRLS_H__) && (_WIN32_IE >= 0x0400) && !defined(_WIN32_WCE)
|
|
|
|
template <class TBase = ATL::CWindow>
|
|
class CFSBWindowT : public TBase, public CFlatScrollBarImpl<CFSBWindowT< TBase > >
|
|
{
|
|
public:
|
|
// Constructors
|
|
CFSBWindowT(HWND hWnd = NULL) : TBase(hWnd)
|
|
{ }
|
|
|
|
CFSBWindowT< TBase >& operator =(HWND hWnd)
|
|
{
|
|
m_hWnd = hWnd;
|
|
return *this;
|
|
}
|
|
|
|
// CWindow overrides that use flat scroll bar API
|
|
// (only those methods that are used by scroll window classes)
|
|
int SetScrollPos(int nBar, int nPos, BOOL bRedraw = TRUE)
|
|
{
|
|
ATLASSERT(::IsWindow(m_hWnd));
|
|
return FlatSB_SetScrollPos(nBar, nPos, bRedraw);
|
|
}
|
|
|
|
BOOL GetScrollInfo(int nBar, LPSCROLLINFO lpScrollInfo)
|
|
{
|
|
ATLASSERT(::IsWindow(m_hWnd));
|
|
return FlatSB_GetScrollInfo(nBar, lpScrollInfo);
|
|
}
|
|
|
|
BOOL SetScrollInfo(int nBar, LPSCROLLINFO lpScrollInfo, BOOL bRedraw = TRUE)
|
|
{
|
|
ATLASSERT(::IsWindow(m_hWnd));
|
|
return FlatSB_SetScrollInfo(nBar, lpScrollInfo, bRedraw);
|
|
}
|
|
};
|
|
|
|
typedef CFSBWindowT<ATL::CWindow> CFSBWindow;
|
|
|
|
#endif // defined(__ATLCTRLS_H__) && (_WIN32_IE >= 0x0400) && !defined(_WIN32_WCE)
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// CZoomScrollImpl - Provides zooming and scrolling support to any window
|
|
|
|
#ifndef _WIN32_WCE
|
|
|
|
// The zoom modes that can be set with the SetZoomMode method
|
|
enum
|
|
{
|
|
ZOOMMODE_OFF,
|
|
ZOOMMODE_IN, // If left mouse button is clicked or dragged, zoom in on point clicked or rectangle dragged.
|
|
ZOOMMODE_OUT // If left mouse button clicked, zoom out on point clicked.
|
|
};
|
|
|
|
// Notification to parent that zoom scale changed as a result of user mouse action.
|
|
#define ZSN_ZOOMCHANGED (NM_FIRST - 50)
|
|
|
|
template <class T>
|
|
class CZoomScrollImpl : public CScrollImpl< T >
|
|
{
|
|
public:
|
|
enum { m_cxyMinZoomRect = 12 }; // min rect size to zoom in on rect.
|
|
|
|
// Data members
|
|
SIZE m_sizeLogAll;
|
|
SIZE m_sizeLogLine;
|
|
SIZE m_sizeLogPage;
|
|
float m_fZoomScale;
|
|
float m_fZoomScaleMin;
|
|
float m_fZoomDelta; // Used in ZOOMMODE_IN and ZOOMMODE_OUT on left-button click.
|
|
int m_nZoomMode;
|
|
RECT m_rcTrack;
|
|
bool m_bTracking;
|
|
|
|
// Constructor
|
|
CZoomScrollImpl():
|
|
m_fZoomScale(1.0),
|
|
m_fZoomScaleMin(0.5),
|
|
m_fZoomDelta(0.5),
|
|
m_nZoomMode(ZOOMMODE_OFF),
|
|
m_bTracking(false)
|
|
{
|
|
m_sizeLogAll.cx = 0;
|
|
m_sizeLogAll.cy = 0;
|
|
m_sizeLogPage.cx = 0;
|
|
m_sizeLogPage.cy = 0;
|
|
m_sizeLogLine.cx = 0;
|
|
m_sizeLogLine.cy = 0;
|
|
::SetRectEmpty(&m_rcTrack);
|
|
}
|
|
|
|
// Attributes & Operations
|
|
|
|
// size operations
|
|
void SetScrollSize(int cxLog, int cyLog, BOOL bRedraw = TRUE, bool bResetOffset = true)
|
|
{
|
|
ATLASSERT(cxLog >= 0 && cyLog >= 0);
|
|
|
|
// Set up the defaults
|
|
if (cxLog == 0 && cyLog == 0)
|
|
{
|
|
cxLog = 1;
|
|
cyLog = 1;
|
|
}
|
|
|
|
m_sizeLogAll.cx = cxLog;
|
|
m_sizeLogAll.cy = cyLog;
|
|
SIZE sizeAll = { 0 };
|
|
sizeAll.cx = (int)((float)m_sizeLogAll.cx * m_fZoomScale);
|
|
sizeAll.cy = (int)((float)m_sizeLogAll.cy * m_fZoomScale);
|
|
|
|
CScrollImpl< T >::SetScrollSize(sizeAll, bRedraw, bResetOffset);
|
|
}
|
|
|
|
void SetScrollSize(SIZE sizeLog, BOOL bRedraw = TRUE, bool bResetOffset = true)
|
|
{
|
|
SetScrollSize(sizeLog.cx, sizeLog.cy, bRedraw, bResetOffset);
|
|
}
|
|
|
|
void GetScrollSize(SIZE& sizeLog) const
|
|
{
|
|
sizeLog = m_sizeLogAll;
|
|
}
|
|
|
|
// line operations
|
|
void SetScrollLine(int cxLogLine, int cyLogLine)
|
|
{
|
|
ATLASSERT(cxLogLine >= 0 && cyLogLine >= 0);
|
|
|
|
m_sizeLogLine.cx = cxLogLine;
|
|
m_sizeLogLine.cy = cyLogLine;
|
|
|
|
SIZE sizeLine = { 0 };
|
|
sizeLine.cx = (int)((float)m_sizeLogLine.cx * m_fZoomScale);
|
|
sizeLine.cy = (int)((float)m_sizeLogLine.cy * m_fZoomScale);
|
|
CScrollImpl< T >::SetScrollLine(sizeLine);
|
|
}
|
|
|
|
void SetScrollLine(SIZE sizeLogLine)
|
|
{
|
|
SetScrollLine(sizeLogLine.cx, sizeLogLine.cy);
|
|
}
|
|
|
|
void GetScrollLine(SIZE& sizeLogLine) const
|
|
{
|
|
sizeLogLine = m_sizeLogLine;
|
|
}
|
|
|
|
// page operations
|
|
void SetScrollPage(int cxLogPage, int cyLogPage)
|
|
{
|
|
ATLASSERT(cxLogPage >= 0 && cyLogPage >= 0);
|
|
|
|
m_sizeLogPage.cx = cxLogPage;
|
|
m_sizeLogPage.cy = cyLogPage;
|
|
|
|
SIZE sizePage = { 0 };
|
|
sizePage.cx = (int)((float)m_sizeLogPage.cx * m_fZoomScale);
|
|
sizePage.cy = (int)((float)m_sizeLogPage.cy * m_fZoomScale);
|
|
|
|
CScrollImpl< T >::SetScrollPage(sizePage);
|
|
}
|
|
|
|
void SetScrollPage(SIZE sizeLogPage)
|
|
{
|
|
SetScrollPage(sizeLogPage.cx, sizeLogPage.cy);
|
|
}
|
|
|
|
void GetScrollPage(SIZE& sizeLogPage) const
|
|
{
|
|
sizeLogPage = m_sizeLogPage;
|
|
}
|
|
|
|
void SetZoomScale(float fZoomScale)
|
|
{
|
|
ATLASSERT(fZoomScale > 0);
|
|
|
|
if(fZoomScale > 0 && fZoomScale >= m_fZoomScaleMin)
|
|
m_fZoomScale = fZoomScale;
|
|
}
|
|
|
|
float GetZoomScale() const
|
|
{
|
|
return m_fZoomScale;
|
|
}
|
|
|
|
void SetZoomScaleMin(float fZoomScaleMin)
|
|
{
|
|
m_fZoomScaleMin = fZoomScaleMin;
|
|
}
|
|
|
|
float GetZoomScaleMin() const
|
|
{
|
|
return m_fZoomScaleMin;
|
|
}
|
|
|
|
void SetZoomDelta(float fZoomDelta)
|
|
{
|
|
ATLASSERT(fZoomDelta >= 0);
|
|
|
|
if(fZoomDelta >= 0)
|
|
m_fZoomDelta = fZoomDelta;
|
|
}
|
|
|
|
float GetZoomDelta() const
|
|
{
|
|
return m_fZoomDelta;
|
|
}
|
|
|
|
void SetZoomMode(int nZoomMode)
|
|
{
|
|
m_nZoomMode = nZoomMode;
|
|
}
|
|
|
|
int GetZoomMode() const
|
|
{
|
|
return m_nZoomMode;
|
|
}
|
|
|
|
void Zoom(int x, int y, float fZoomScale)
|
|
{
|
|
if(fZoomScale <= 0)
|
|
return;
|
|
|
|
fZoomScale = max(fZoomScale, m_fZoomScaleMin);
|
|
|
|
T* pT = static_cast<T*>(this);
|
|
POINT pt = { x, y };
|
|
if(!pT->PtInDevRect(pt))
|
|
return;
|
|
|
|
pT->ViewDPtoLP(&pt);
|
|
pT->Zoom(fZoomScale, false);
|
|
pT->CenterOnLogicalPoint(pt);
|
|
}
|
|
|
|
void Zoom(POINT pt, float fZoomScale)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
pT->Zoom(pt.x, pt.y, fZoomScale);
|
|
}
|
|
|
|
void Zoom(RECT& rc)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
RECT rcZoom = rc;
|
|
pT->NormalizeRect(rcZoom);
|
|
SIZE size = { rcZoom.right - rcZoom.left, rcZoom.bottom - rcZoom.top };
|
|
POINT pt = { rcZoom.left + size.cx / 2, rcZoom.top + size.cy / 2 };
|
|
if(size.cx < m_cxyMinZoomRect || size.cy < m_cxyMinZoomRect)
|
|
{
|
|
pT->Zoom(pt, m_fZoomScale + m_fZoomDelta);
|
|
return;
|
|
}
|
|
|
|
ATLASSERT(size.cx > 0 && size.cy > 0);
|
|
|
|
float fScaleH = (float)(m_sizeClient.cx + 1) / (float)size.cx;
|
|
float fScaleV = (float)(m_sizeClient.cy + 1) / (float)size.cy;
|
|
float fZoomScale = min(fScaleH, fScaleV) * m_fZoomScale;
|
|
pT->Zoom(pt, fZoomScale);
|
|
}
|
|
|
|
void Zoom(float fZoomScale, bool bCenter = true)
|
|
{
|
|
if(fZoomScale <= 0)
|
|
return;
|
|
|
|
fZoomScale = max(fZoomScale, m_fZoomScaleMin);
|
|
|
|
|
|
T* pT = static_cast<T*>(this);
|
|
POINT pt = { 0 };
|
|
if(bCenter)
|
|
{
|
|
RECT rc;
|
|
::GetClientRect(pT->m_hWnd, &rc);
|
|
pt.x = rc.right / 2;
|
|
pt.y = rc.bottom / 2;
|
|
pT->ViewDPtoLP(&pt);
|
|
}
|
|
|
|
// Modify the Viewport extent
|
|
m_fZoomScale = fZoomScale;
|
|
SIZE sizeAll = { 0 };
|
|
sizeAll.cx = (int)((float)m_sizeLogAll.cx * fZoomScale);
|
|
sizeAll.cy = (int)((float)m_sizeLogAll.cy * fZoomScale);
|
|
|
|
// Update scroll bars and window
|
|
CScrollImpl< T >::SetScrollSize(sizeAll);
|
|
|
|
if(bCenter)
|
|
pT->CenterOnLogicalPoint(pt);
|
|
}
|
|
|
|
// Helper functions
|
|
void PrepareDC(CDCHandle dc)
|
|
{
|
|
ATLASSERT(m_sizeAll.cx >= 0 && m_sizeAll.cy >= 0);
|
|
dc.SetMapMode(MM_ANISOTROPIC);
|
|
dc.SetWindowExt(m_sizeLogAll);
|
|
dc.SetViewportExt(m_sizeAll);
|
|
dc.SetViewportOrg(-m_ptOffset.x, -m_ptOffset.y);
|
|
}
|
|
|
|
void ViewDPtoLP(LPPOINT lpPoints, int nCount = 1)
|
|
{
|
|
ATLASSERT(lpPoints);
|
|
T* pT = static_cast<T*>(this);
|
|
ATLASSERT(::IsWindow(pT->m_hWnd));
|
|
|
|
CWindowDC dc(pT->m_hWnd);
|
|
pT->PrepareDC(dc.m_hDC);
|
|
dc.DPtoLP(lpPoints, nCount);
|
|
}
|
|
|
|
void ViewLPtoDP(LPPOINT lpPoints, int nCount = 1)
|
|
{
|
|
ATLASSERT(lpPoints);
|
|
T* pT = static_cast<T*>(this);
|
|
ATLASSERT(::IsWindow(pT->m_hWnd));
|
|
|
|
CWindowDC dc(pT->m_hWnd);
|
|
pT->PrepareDC(dc.m_hDC);
|
|
dc.LPtoDP(lpPoints, nCount);
|
|
}
|
|
|
|
void ClientToDevice(POINT &pt)
|
|
{
|
|
pt.x += m_ptOffset.x;
|
|
pt.y += m_ptOffset.y;
|
|
}
|
|
|
|
void DeviceToClient(POINT &pt)
|
|
{
|
|
pt.x -= m_ptOffset.x;
|
|
pt.y -= m_ptOffset.y;
|
|
}
|
|
|
|
void CenterOnPoint(POINT pt)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
RECT rect;
|
|
pT->GetClientRect(&rect);
|
|
|
|
int xOfs = pt.x - (rect.right / 2) + m_ptOffset.x;
|
|
if(xOfs < 0)
|
|
{
|
|
xOfs = 0;
|
|
}
|
|
else
|
|
{
|
|
int xMax = max((int)(m_sizeAll.cx - rect.right), 0);
|
|
if(xOfs > xMax)
|
|
xOfs = xMax;
|
|
}
|
|
|
|
int yOfs = pt.y - (rect.bottom / 2) + m_ptOffset.y;
|
|
if(yOfs < 0)
|
|
{
|
|
yOfs = 0;
|
|
}
|
|
else
|
|
{
|
|
int yMax = max((int)(m_sizeAll.cy - rect.bottom), 0);
|
|
if(yOfs > yMax)
|
|
yOfs = yMax;
|
|
}
|
|
|
|
CScrollImpl< T >::SetScrollOffset(xOfs, yOfs);
|
|
}
|
|
|
|
void CenterOnLogicalPoint(POINT ptLog)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
pT->ViewLPtoDP(&ptLog);
|
|
pT->DeviceToClient(ptLog);
|
|
pT->CenterOnPoint(ptLog);
|
|
}
|
|
|
|
BOOL PtInDevRect(POINT pt)
|
|
{
|
|
RECT rc = { 0, 0, m_sizeAll.cx, m_sizeAll.cy };
|
|
::OffsetRect(&rc, -m_ptOffset.x, -m_ptOffset.y);
|
|
return ::PtInRect(&rc, pt);
|
|
}
|
|
|
|
void NormalizeRect(RECT& rc)
|
|
{
|
|
if(rc.left > rc.right)
|
|
{
|
|
int r = rc.right;
|
|
rc.right = rc.left;
|
|
rc.left = r;
|
|
}
|
|
if(rc.top > rc.bottom)
|
|
{
|
|
int b = rc.bottom;
|
|
rc.bottom = rc.top;
|
|
rc.top = b;
|
|
}
|
|
}
|
|
|
|
void DrawTrackRect()
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
const SIZE sizeLines = { 2, 2 };
|
|
RECT rc = m_rcTrack;
|
|
pT->NormalizeRect(rc);
|
|
if(!::IsRectEmpty(&rc))
|
|
{
|
|
::MapWindowPoints(pT->m_hWnd, NULL, (LPPOINT)&rc, 2);
|
|
CWindowDC dc(NULL);
|
|
dc.DrawDragRect(&rc, sizeLines, NULL, sizeLines);
|
|
}
|
|
}
|
|
|
|
void NotifyParentZoomChanged()
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
int nId = pT->GetDlgCtrlID();
|
|
NMHDR nmhdr = { pT->m_hWnd, nId, ZSN_ZOOMCHANGED };
|
|
::SendMessage(pT->GetParent(), WM_NOTIFY, (WPARAM)nId, (LPARAM)&nmhdr);
|
|
}
|
|
|
|
BEGIN_MSG_MAP(CZoomScrollImpl)
|
|
MESSAGE_HANDLER(WM_SETCURSOR, OnSetCursor)
|
|
MESSAGE_HANDLER(WM_VSCROLL, CScrollImpl< T >::OnVScroll)
|
|
MESSAGE_HANDLER(WM_HSCROLL, CScrollImpl< T >::OnHScroll)
|
|
MESSAGE_HANDLER(WM_MOUSEWHEEL, CScrollImpl< T >::OnMouseWheel)
|
|
#if !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400))
|
|
MESSAGE_HANDLER(m_uMsgMouseWheel, CScrollImpl< T >::OnMouseWheel)
|
|
#endif // !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400))
|
|
MESSAGE_HANDLER(WM_MOUSEHWHEEL, CScrollImpl< T >::OnMouseHWheel)
|
|
MESSAGE_HANDLER(WM_SETTINGCHANGE, CScrollImpl< T >::OnSettingChange)
|
|
MESSAGE_HANDLER(WM_SIZE, CScrollImpl< T >::OnSize)
|
|
MESSAGE_HANDLER(WM_PAINT, OnPaint)
|
|
MESSAGE_HANDLER(WM_PRINTCLIENT, OnPaint)
|
|
MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
|
|
MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove)
|
|
MESSAGE_HANDLER(WM_LBUTTONUP, OnLButtonUp)
|
|
MESSAGE_HANDLER(WM_CAPTURECHANGED, OnCaptureChanged)
|
|
ALT_MSG_MAP(1)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_UP, CScrollImpl< T >::OnScrollUp)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_DOWN, CScrollImpl< T >::OnScrollDown)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_UP, CScrollImpl< T >::OnScrollPageUp)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_DOWN, CScrollImpl< T >::OnScrollPageDown)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_TOP, CScrollImpl< T >::OnScrollTop)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_BOTTOM, CScrollImpl< T >::OnScrollBottom)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_LEFT, CScrollImpl< T >::OnScrollLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_RIGHT, CScrollImpl< T >::OnScrollRight)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_LEFT, CScrollImpl< T >::OnScrollPageLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_RIGHT, CScrollImpl< T >::OnScrollPageRight)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_ALL_LEFT, CScrollImpl< T >::OnScrollAllLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_ALL_RIGHT, CScrollImpl< T >::OnScrollAllRight)
|
|
END_MSG_MAP()
|
|
|
|
LRESULT OnPaint(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
ATLASSERT(::IsWindow(pT->m_hWnd));
|
|
ATLASSERT(m_sizeLogAll.cx >= 0 && m_sizeLogAll.cy >= 0);
|
|
ATLASSERT(m_sizeAll.cx >= 0 && m_sizeAll.cy >= 0);
|
|
|
|
if(wParam != NULL)
|
|
{
|
|
CDCHandle dc = (HDC)wParam;
|
|
int nMapModeSav = dc.GetMapMode();
|
|
dc.SetMapMode(MM_ANISOTROPIC);
|
|
SIZE szWindowExt = { 0, 0 };
|
|
dc.SetWindowExt(m_sizeLogAll, &szWindowExt);
|
|
SIZE szViewportExt = { 0, 0 };
|
|
dc.SetViewportExt(m_sizeAll, &szViewportExt);
|
|
POINT ptViewportOrg = { 0, 0 };
|
|
dc.SetViewportOrg(-m_ptOffset.x, -m_ptOffset.y, &ptViewportOrg);
|
|
|
|
pT->DoPaint(dc);
|
|
|
|
dc.SetMapMode(nMapModeSav);
|
|
dc.SetWindowExt(szWindowExt);
|
|
dc.SetViewportExt(szViewportExt);
|
|
dc.SetViewportOrg(ptViewportOrg);
|
|
}
|
|
else
|
|
{
|
|
CPaintDC dc(pT->m_hWnd);
|
|
pT->PrepareDC(dc.m_hDC);
|
|
pT->DoPaint(dc.m_hDC);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnLButtonDown(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
if(m_nZoomMode == ZOOMMODE_IN && !m_bTracking)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
|
|
if(pT->PtInDevRect(pt))
|
|
{
|
|
pT->SetCapture();
|
|
m_bTracking = true;
|
|
::SetRect(&m_rcTrack, pt.x, pt.y, pt.x, pt.y);
|
|
}
|
|
}
|
|
bHandled = FALSE;
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnMouseMove(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
if(m_bTracking)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
|
|
if(pT->PtInDevRect(pt))
|
|
{
|
|
pT->DrawTrackRect();
|
|
m_rcTrack.right = pt.x;
|
|
m_rcTrack.bottom = pt.y;
|
|
pT->DrawTrackRect();
|
|
}
|
|
}
|
|
bHandled = FALSE;
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnLButtonUp(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
::ReleaseCapture();
|
|
if(m_nZoomMode == ZOOMMODE_OUT)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
pT->Zoom(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), m_fZoomScale - m_fZoomDelta);
|
|
pT->NotifyParentZoomChanged();
|
|
}
|
|
bHandled = FALSE;
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnCaptureChanged(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
|
|
{
|
|
if(m_bTracking)
|
|
{
|
|
m_bTracking = false;
|
|
T* pT = static_cast<T*>(this);
|
|
pT->DrawTrackRect();
|
|
pT->Zoom(m_rcTrack);
|
|
pT->NotifyParentZoomChanged();
|
|
::SetRectEmpty(&m_rcTrack);
|
|
}
|
|
bHandled = FALSE;
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnSetCursor(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
if(LOWORD(lParam) == HTCLIENT && m_nZoomMode != ZOOMMODE_OFF)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
if((HWND)wParam == pT->m_hWnd)
|
|
{
|
|
DWORD dwPos = ::GetMessagePos();
|
|
POINT pt = { GET_X_LPARAM(dwPos), GET_Y_LPARAM(dwPos) };
|
|
pT->ScreenToClient(&pt);
|
|
if(pT->PtInDevRect(pt))
|
|
{
|
|
::SetCursor(::LoadCursor(NULL, IDC_CROSS));
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
bHandled = FALSE;
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// CZoomScrollWindowImpl - Implements scrolling window with zooming
|
|
|
|
template <class T, class TBase = ATL::CWindow, class TWinTraits = ATL::CControlWinTraits>
|
|
class ATL_NO_VTABLE CZoomScrollWindowImpl : public ATL::CWindowImpl< T, TBase, TWinTraits >, public CZoomScrollImpl< T >
|
|
{
|
|
public:
|
|
BEGIN_MSG_MAP(CZoomScrollWindowImpl)
|
|
MESSAGE_HANDLER(WM_SETCURSOR, CZoomScrollImpl< T >::OnSetCursor)
|
|
MESSAGE_HANDLER(WM_VSCROLL, CScrollImpl< T >::OnVScroll)
|
|
MESSAGE_HANDLER(WM_HSCROLL, CScrollImpl< T >::OnHScroll)
|
|
MESSAGE_HANDLER(WM_MOUSEWHEEL, CScrollImpl< T >::OnMouseWheel)
|
|
#if !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400))
|
|
MESSAGE_HANDLER(m_uMsgMouseWheel, CScrollImpl< T >::OnMouseWheel)
|
|
#endif // !((_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400))
|
|
MESSAGE_HANDLER(WM_MOUSEHWHEEL, CScrollImpl< T >::OnMouseHWheel)
|
|
MESSAGE_HANDLER(WM_SETTINGCHANGE, CScrollImpl< T >::OnSettingChange)
|
|
MESSAGE_HANDLER(WM_SIZE, CScrollImpl< T >::OnSize)
|
|
MESSAGE_HANDLER(WM_PAINT, CZoomScrollImpl< T >::OnPaint)
|
|
MESSAGE_HANDLER(WM_PRINTCLIENT, CZoomScrollImpl< T >::OnPaint)
|
|
MESSAGE_HANDLER(WM_LBUTTONDOWN, CZoomScrollImpl< T >::OnLButtonDown)
|
|
MESSAGE_HANDLER(WM_MOUSEMOVE, CZoomScrollImpl< T >::OnMouseMove)
|
|
MESSAGE_HANDLER(WM_LBUTTONUP, CZoomScrollImpl< T >::OnLButtonUp)
|
|
MESSAGE_HANDLER(WM_CAPTURECHANGED, CZoomScrollImpl< T >::OnCaptureChanged)
|
|
ALT_MSG_MAP(1)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_UP, CScrollImpl< T >::OnScrollUp)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_DOWN, CScrollImpl< T >::OnScrollDown)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_UP, CScrollImpl< T >::OnScrollPageUp)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_PAGE_DOWN, CScrollImpl< T >::OnScrollPageDown)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_TOP, CScrollImpl< T >::OnScrollTop)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_BOTTOM, CScrollImpl< T >::OnScrollBottom)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_LEFT, CScrollImpl< T >::OnScrollLeft)
|
|
COMMAND_ID_HANDLER(ID_SCROLL_RIGHT, CScrollImpl< T >::OnScrollRight)
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COMMAND_ID_HANDLER(ID_SCROLL_PAGE_LEFT, CScrollImpl< T >::OnScrollPageLeft)
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COMMAND_ID_HANDLER(ID_SCROLL_PAGE_RIGHT, CScrollImpl< T >::OnScrollPageRight)
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COMMAND_ID_HANDLER(ID_SCROLL_ALL_LEFT, CScrollImpl< T >::OnScrollAllLeft)
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COMMAND_ID_HANDLER(ID_SCROLL_ALL_RIGHT, CScrollImpl< T >::OnScrollAllRight)
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END_MSG_MAP()
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};
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#endif // !_WIN32_WCE
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///////////////////////////////////////////////////////////////////////////////
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// CScrollContainer
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template <class T, class TBase = ATL::CWindow, class TWinTraits = ATL::CControlWinTraits>
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class ATL_NO_VTABLE CScrollContainerImpl : public CScrollWindowImpl< T, TBase, TWinTraits >
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|
{
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public:
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DECLARE_WND_CLASS_EX(NULL, 0, -1)
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|
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typedef CScrollWindowImpl< T, TBase, TWinTraits > _baseClass;
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|
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|
// Data members
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|
ATL::CWindow m_wndClient;
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bool m_bAutoSizeClient;
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bool m_bDrawEdgeIfEmpty;
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|
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|
// Constructor
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|
CScrollContainerImpl() : m_bAutoSizeClient(true), m_bDrawEdgeIfEmpty(false)
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|
{
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// Set CScrollWindowImpl extended style
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|
SetScrollExtendedStyle(SCRL_SCROLLCHILDREN);
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|
}
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|
|
|
// Attributes
|
|
HWND GetClient() const
|
|
{
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|
return m_wndClient;
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|
}
|
|
|
|
HWND SetClient(HWND hWndClient, bool bClientSizeAsMin = true)
|
|
{
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|
ATLASSERT(::IsWindow(m_hWnd));
|
|
|
|
HWND hWndOldClient = m_wndClient;
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|
m_wndClient = hWndClient;
|
|
|
|
SetRedraw(FALSE);
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|
SetScrollSize(1, 1, FALSE);
|
|
|
|
if(m_wndClient.m_hWnd != NULL)
|
|
{
|
|
m_wndClient.SetWindowPos(NULL, 0, 0, 0, 0, SWP_NOZORDER | SWP_NOSIZE);
|
|
|
|
if(bClientSizeAsMin)
|
|
{
|
|
RECT rect = { 0 };
|
|
m_wndClient.GetWindowRect(&rect);
|
|
if((rect.right - rect.left) > 0 && (rect.bottom - rect.top) > 0)
|
|
SetScrollSize(rect.right - rect.left, rect.bottom - rect.top, FALSE);
|
|
}
|
|
|
|
T* pT = static_cast<T*>(this);
|
|
pT->UpdateLayout();
|
|
}
|
|
|
|
SetRedraw(TRUE);
|
|
RedrawWindow(NULL, NULL, RDW_INVALIDATE | RDW_FRAME | RDW_UPDATENOW | RDW_ALLCHILDREN);
|
|
|
|
return hWndOldClient;
|
|
}
|
|
|
|
// Message map and handlers
|
|
BEGIN_MSG_MAP(CScrollContainerImpl)
|
|
MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus)
|
|
MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
|
|
MESSAGE_HANDLER(WM_SIZE, OnSize)
|
|
CHAIN_MSG_MAP(_baseClass)
|
|
FORWARD_NOTIFICATIONS()
|
|
ALT_MSG_MAP(1)
|
|
CHAIN_MSG_MAP_ALT(_baseClass, 1)
|
|
END_MSG_MAP()
|
|
|
|
LRESULT OnSetFocus(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
|
|
{
|
|
if(m_wndClient.m_hWnd != NULL)
|
|
m_wndClient.SetFocus();
|
|
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnEraseBackground(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
|
|
{
|
|
return 1; // no background needed
|
|
}
|
|
|
|
LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
|
|
{
|
|
BOOL bTmp = TRUE;
|
|
LRESULT lRet = _baseClass::OnSize(uMsg, wParam, lParam, bTmp);
|
|
|
|
T* pT = static_cast<T*>(this);
|
|
pT->UpdateLayout();
|
|
|
|
return lRet;
|
|
}
|
|
|
|
// Overrides for CScrollWindowImpl
|
|
void DoPaint(CDCHandle dc)
|
|
{
|
|
if(!m_bAutoSizeClient || m_wndClient.m_hWnd == NULL)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
RECT rect = { 0 };
|
|
pT->GetContainerRect(rect);
|
|
|
|
if(m_bDrawEdgeIfEmpty && m_wndClient.m_hWnd == NULL)
|
|
dc.DrawEdge(&rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
|
|
|
|
dc.FillRect(&rect, COLOR_APPWORKSPACE);
|
|
}
|
|
}
|
|
|
|
void ScrollToView(POINT pt)
|
|
{
|
|
CScrollWindowImpl< T, TBase, TWinTraits >::ScrollToView(pt);
|
|
}
|
|
|
|
void ScrollToView(RECT& rect)
|
|
{
|
|
CScrollWindowImpl< T, TBase, TWinTraits >::ScrollToView(rect);
|
|
}
|
|
|
|
void ScrollToView(HWND hWnd) // client window coordinates
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
pT; // avoid level 4 warning
|
|
ATLASSERT(::IsWindow(pT->m_hWnd));
|
|
ATLASSERT(m_wndClient.IsWindow());
|
|
|
|
RECT rect = { 0 };
|
|
::GetWindowRect(hWnd, &rect);
|
|
::MapWindowPoints(NULL, m_wndClient.m_hWnd, (LPPOINT)&rect, 2);
|
|
ScrollToView(rect);
|
|
}
|
|
|
|
// Implementation - overrideable methods
|
|
void UpdateLayout()
|
|
{
|
|
ATLASSERT(::IsWindow(m_hWnd));
|
|
|
|
if(m_bAutoSizeClient && m_wndClient.m_hWnd != NULL)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
RECT rect = { 0 };
|
|
pT->GetContainerRect(rect);
|
|
|
|
m_wndClient.SetWindowPos(NULL, &rect, SWP_NOZORDER | SWP_NOMOVE);
|
|
}
|
|
else
|
|
{
|
|
Invalidate();
|
|
}
|
|
}
|
|
|
|
void GetContainerRect(RECT& rect)
|
|
{
|
|
GetClientRect(&rect);
|
|
|
|
if(rect.right < m_sizeAll.cx)
|
|
rect.right = m_sizeAll.cx;
|
|
|
|
if(rect.bottom < m_sizeAll.cy)
|
|
rect.bottom = m_sizeAll.cy;
|
|
}
|
|
};
|
|
|
|
class CScrollContainer : public CScrollContainerImpl<CScrollContainer>
|
|
{
|
|
public:
|
|
DECLARE_WND_CLASS_EX(_T("WTL_ScrollContainer"), 0, -1)
|
|
};
|
|
|
|
}; // namespace WTL
|
|
|
|
#endif // __ATLSCRL_H__
|