third-party libs
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Benjamin Palko
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249
third-party/BugTrap-1.3-57bd515/source/AnimProgressBar.cpp
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249
third-party/BugTrap-1.3-57bd515/source/AnimProgressBar.cpp
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/*
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* This is a part of the BugTrap package.
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* Copyright (c) 2005-2009 IntelleSoft.
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* All rights reserved.
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*
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* Description: Animated progress bar control.
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* Author: Maksim Pyatkovskiy.
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*
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* This source code is only intended as a supplement to the
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* BugTrap package reference and related electronic documentation
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* provided with the product. See these sources for detailed
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* information regarding the BugTrap package.
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*/
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#include "StdAfx.h"
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#include "AnimProgressBar.h"
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#include "ThemeXP.h"
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#define USE_MEM_DC
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#define TIMER_ID 101
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#define DEFAULT_TIMEOUT 5
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#define DEFAULT_NUM_CHUNKS 5
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CAnimProgressBar::CAnimProgressBar(void)
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{
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m_bActive = FALSE;
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m_dwTimeout = DEFAULT_TIMEOUT;
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m_dwNumChunks = DEFAULT_NUM_CHUNKS;
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m_dwPosition = 0;
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m_hwnd = NULL;
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m_pfnAnimProgressBarWndProc = NULL;
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}
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/**
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* @param hwnd - progress bar window handle.
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*/
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void CAnimProgressBar::Attach(HWND hwnd)
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{
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_ASSERTE(hwnd != NULL);
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_ASSERTE(m_hwnd == NULL);
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m_hwnd = hwnd;
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SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)this);
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m_pfnAnimProgressBarWndProc = SubclassWindow(hwnd, AnimProgressBarWndProc);
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InvalidateRect(hwnd, NULL, TRUE);
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}
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void CAnimProgressBar::Detach(void)
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{
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if (m_pfnAnimProgressBarWndProc)
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{
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Stop();
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SubclassWindow(m_hwnd, m_pfnAnimProgressBarWndProc);
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SetWindowLongPtr(m_hwnd, GWLP_USERDATA, NULL);
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InvalidateRect(m_hwnd, NULL, TRUE);
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m_pfnAnimProgressBarWndProc = NULL;
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m_hwnd = NULL;
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}
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}
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void CAnimProgressBar::Play()
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{
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if (m_bActive)
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return;
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m_bActive = TRUE;
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SetTimer(m_hwnd, TIMER_ID, m_dwTimeout, NULL);
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}
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void CAnimProgressBar::Stop()
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{
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if (! m_bActive)
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return;
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m_bActive = FALSE;
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KillTimer(m_hwnd, TIMER_ID);
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}
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/**
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* @param dwTimeout - new update timeout.
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*/
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void CAnimProgressBar::SetTimeout(DWORD dwTimeout)
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{
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m_dwTimeout = dwTimeout;
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if (m_bActive)
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SetTimer(m_hwnd, TIMER_ID, dwTimeout, NULL);
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}
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/**
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* @param hdc - drawing context.
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* @param prcPaint - the rectangle where the painting is requested.
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*/
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void CAnimProgressBar::DrawAnimProgressBar(HDC hdc, const RECT* prcPaint) const
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{
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if (prcPaint == NULL)
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{
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RECT rcClient;
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GetClientRect(m_hwnd, &rcClient);
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prcPaint = &rcClient;
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}
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if (IsRectEmpty(prcPaint))
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return;
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#ifdef USE_MEM_DC
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int nClientWidth = prcPaint->right - prcPaint->left;
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int nClientHeight = prcPaint->bottom - prcPaint->top;
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HBITMAP hbmpMem;
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hbmpMem = CreateCompatibleBitmap(hdc, nClientWidth, nClientHeight);
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if (hbmpMem == NULL)
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return;
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HDC hdcMem;
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hdcMem = CreateCompatibleDC(hdc);
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if (hdcMem == NULL)
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{
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DeleteBitmap(hbmpMem);
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return;
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}
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SetViewportOrgEx(hdcMem, -prcPaint->left, -prcPaint->top, NULL);
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HBITMAP hbmpSafe = SelectBitmap(hdcMem, hbmpMem);
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#else
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// CS_PARENTDC sets the clipping rectangle of the child window to that of the parent window
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// so that the child can draw on the parent. Progress bar inherits this style from sub-classed
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// static control. This causes problems with unclipped output.
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HRGN hrgn = CreateRectRgnIndirect(prcPaint);
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SelectClipRgn(hdc, hrgn);
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DeleteRgn(hrgn);
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HDC hdcMem = hdc;
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#endif
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CThemeXP themeXP;
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BOOL bAppThemed = themeXP.IsAppThemed();
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if (bAppThemed)
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{
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if (! themeXP.OpenTheme(m_hwnd, L"PROGRESS"))
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bAppThemed = FALSE;
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}
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RECT rcClient;
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GetClientRect(m_hwnd, &rcClient);
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RECT rcClip;
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GetClipBox(hdc, &rcClip);
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if (bAppThemed)
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{
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themeXP.DrawThemeBackground(hdcMem, PP_BAR, 0, &rcClient, &rcClip);
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RECT rcContent;
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themeXP.GetThemeBackgroundContentRect(hdcMem, PP_BAR, 0, &rcClient, &rcContent);
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SIZE szChunk;
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themeXP.GetThemePartSize(hdcMem, PP_CHUNK, 0, &rcContent, TS_TRUE, &szChunk);
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if (szChunk.cx <= 1)
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szChunk.cx = szChunk.cy * 3 / 4;
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DWORD dwChunksWidth = m_dwNumChunks * szChunk.cx;
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DWORD dwPosition = m_dwPosition % (rcContent.right - rcContent.left + dwChunksWidth);
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int nPosition = (int)dwPosition - (int)dwChunksWidth;
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RECT rcChunk;
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rcChunk.left = rcContent.left + nPosition;
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rcChunk.top = rcContent.top;
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rcChunk.bottom = rcContent.bottom;
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for (DWORD dwChunkNum = 0; dwChunkNum < m_dwNumChunks; ++dwChunkNum)
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{
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rcChunk.right = rcChunk.left + szChunk.cx;
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if (rcClip.left <= rcChunk.right && rcChunk.left < rcClip.right)
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themeXP.DrawThemeBackground(hdcMem, PP_CHUNK, 0, &rcChunk, &rcClip);
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rcChunk.left = rcChunk.right;
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}
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}
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else
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{
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HBRUSH brushBtnFace = GetSysColorBrush(COLOR_BTNFACE);
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FillRect(hdcMem, &rcClip, brushBtnFace);
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HBRUSH brushHighlight = GetSysColorBrush(COLOR_HIGHLIGHT);
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int nCXEdge = GetSystemMetrics(SM_CXEDGE);
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int nCYEdge = GetSystemMetrics(SM_CYEDGE);
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SIZE szChunk;
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szChunk.cy = rcClient.bottom - rcClient.top;
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szChunk.cx = szChunk.cy * 3 / 4;
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DWORD dwChunksWidth = m_dwNumChunks * szChunk.cx;
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DWORD dwPosition = m_dwPosition % (rcClient.right - rcClient.left + dwChunksWidth);
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int nPosition = (int)dwPosition - (int)dwChunksWidth;
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RECT rcChunk;
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rcChunk.left = rcClient.left + nPosition + nCXEdge;
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rcChunk.top = rcClient.top + nCYEdge;
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rcChunk.bottom = rcClient.bottom - nCYEdge;
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szChunk.cx -= 2 * nCXEdge;
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for (DWORD dwChunkNum = 0; dwChunkNum < m_dwNumChunks; ++dwChunkNum)
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{
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rcChunk.right = rcChunk.left + szChunk.cx;
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if (rcClip.left <= rcChunk.right && rcChunk.left < rcClip.right)
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FillRect(hdcMem, &rcChunk, brushHighlight);
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rcChunk.left = rcChunk.right + nCXEdge;
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}
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}
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#ifdef USE_MEM_DC
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BitBlt(hdc, prcPaint->left, prcPaint->top, nClientWidth, nClientHeight, hdcMem, prcPaint->left, prcPaint->top, SRCCOPY);
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SelectBitmap(hdcMem, hbmpSafe);
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DeleteDC(hdcMem);
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DeleteBitmap(hbmpMem);
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#endif
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}
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/**
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* @param hwnd - window handle.
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* @param uMsg - message identifier.
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* @param wParam - first message parameter.
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* @param lParam - second message parameter.
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*/
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LRESULT CALLBACK CAnimProgressBar::AnimProgressBarWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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PAINTSTRUCT ps;
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HDC hdc;
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CAnimProgressBar* _this = (CAnimProgressBar*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
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_ASSERTE(_this != NULL);
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switch(uMsg)
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{
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case WM_ERASEBKGND:
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return TRUE;
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case WM_PAINT:
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hdc = (HDC)wParam;
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if (! hdc)
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{
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hdc = BeginPaint(hwnd, &ps);
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if (hdc)
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{
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_this->DrawAnimProgressBar(hdc, &ps.rcPaint);
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EndPaint(hwnd, &ps);
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}
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}
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else
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_this->DrawAnimProgressBar(hdc, NULL);
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return 0;
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case WM_PRINTCLIENT:
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hdc = (HDC)wParam;
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_this->DrawAnimProgressBar(hdc, NULL);
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return 0;
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case WM_TIMER:
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if (! _this->m_bActive)
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return 0;
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++_this->m_dwPosition;
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RedrawWindow(_this->m_hwnd, NULL, NULL, RDW_INVALIDATE);
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return 0;
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case WM_DESTROY:
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_this->Stop();
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return 0;
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case WM_NCHITTEST:
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return HTTRANSPARENT;
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default:
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return DefWindowProc(hwnd, uMsg, wParam, lParam);
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}
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}
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