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461 lines
12 KiB
461 lines
12 KiB
![]()
4 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: A simple app which looks for the HL2 wise installer and ticks the progress bar due
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// to a bug with installing more than 2GB of data using the current ver of the windows installer
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//
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//=============================================================================//
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#include <windows.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <commctrl.h>
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#include <stdlib.h>
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#define FIND_WINDOW_TEXT_PROGRESSDIALOG "vHackWiseProgressDialog092304"
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#define FIND_WINDOW_TEXT_CHANGEDISKDIALOG "vHackWiseProgressDialogChangeCD092304"
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#define FIND_WINDOW_TEXT_CANCELDIALOG "vHackWiseProgressDialogCancel092304"
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static char szAppName[] = "vWiseProgressBarHackWndClass";
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// The full bar is this many ticks (which are about 100 msec apart, so 30 seconds to walk bar
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#define PROGRESS_TICKS 75
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#define PROGRESS_WAIT_TICKS 20
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// After this long, if we didn't find the setup dialog, exit the application
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#define SEARCH_TIMEOUT_SECONDS 60
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#define WISE_PROGRESS_BAR_WINDOW_CLASS "msctls_progress32"
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//-----------------------------------------------------------------------------
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// Purpose: Globals
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//-----------------------------------------------------------------------------
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struct Globals_t
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{
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DWORD m_nLastThink;
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DWORD m_nStartTick;
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bool m_bFoundWindow;
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HWND m_hProgressBar;
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HWND m_hDialog;
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UINT m_nTickCounter;
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};
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static Globals_t g;
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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struct FindParams_t
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{
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HWND wnd;
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char searchtext[ 512 ];
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};
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : hwnd -
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// lParam -
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// Output : BOOL CALLBACK
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//-----------------------------------------------------------------------------
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BOOL CALLBACK EnumChildrenLookingForSpecialControl(HWND hwnd,LPARAM lParam)
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{
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FindParams_t *p = ( FindParams_t *)lParam;
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char buf[ 512 ];
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GetWindowText( hwnd, buf, sizeof( buf ) );
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if ( !stricmp( buf, p->searchtext ) )
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{
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p->wnd = hwnd;
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return FALSE;
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}
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return TRUE;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : hwnd -
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// lParam -
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// Output : BOOL CALLBACK
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//-----------------------------------------------------------------------------
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BOOL CALLBACK EnumChildWindowsProc(HWND hwnd, LPARAM lParam)
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{
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// Now search for the special hidden text control inside a top level window
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FindParams_t *p = ( FindParams_t *)lParam;
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FindParams_t special;
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memset( &special, 0, sizeof( special ) );
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strcpy( special.searchtext, p->searchtext );
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EnumChildWindows( hwnd, EnumChildrenLookingForSpecialControl, (LPARAM)&special );
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if ( special.wnd != NULL )
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{
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p->wnd = hwnd;
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return FALSE;
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}
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return TRUE;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : root -
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// *text -
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// Output : HWND
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//-----------------------------------------------------------------------------
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HWND FindWindowHavingChildWithSpecifiedText( HWND root, char const *text )
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{
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FindParams_t params;
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memset( ¶ms, 0, sizeof( params ) );
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strncpy( params.searchtext, text, sizeof( params.searchtext ) - 1 );
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EnumChildWindows( root, EnumChildWindowsProc, (LPARAM)¶ms );
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return params.wnd;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *text -
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// Output : HWND
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//-----------------------------------------------------------------------------
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HWND FindTopLevelWindowHavingChildWithSpecifiedText( char const *text )
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{
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return FindWindowHavingChildWithSpecifiedText( GetDesktopWindow(), text );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Search for window of class WISE_PROGRESS_BAR_WINDOW_CLASS
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// Input : hwnd -
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// lParam -
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// Output : BOOL CALLBACK
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//-----------------------------------------------------------------------------
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BOOL CALLBACK EnumFindProgressBarInDialog( HWND hwnd,LPARAM lParam )
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{
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char buf[100];
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GetClassName( hwnd, buf, sizeof( buf ) );
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if ( !stricmp( buf, WISE_PROGRESS_BAR_WINDOW_CLASS ) )
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{
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*(HWND*)lParam = hwnd;
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return FALSE;
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}
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return TRUE;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Hides the window
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// Input : visible -
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//-----------------------------------------------------------------------------
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void ShowProgressBar( bool visible )
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{
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if ( !g.m_hProgressBar )
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return;
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DWORD style = GetWindowLong( g.m_hProgressBar, GWL_STYLE );
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if ( visible )
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{
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style |= WS_VISIBLE;
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}
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else
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{
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style &= ~WS_VISIBLE;
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}
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SetWindowLong( g.m_hProgressBar, GWL_STYLE, style );
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InvalidateRect( g.m_hDialog, NULL, TRUE );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Search for the progress dialog
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//-----------------------------------------------------------------------------
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void SearchForWindow()
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{
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HWND hProgressDialog = FindTopLevelWindowHavingChildWithSpecifiedText( FIND_WINDOW_TEXT_PROGRESSDIALOG );
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if ( !hProgressDialog )
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{
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return;
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}
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HWND hWndChild = NULL;
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EnumChildWindows( hProgressDialog, EnumFindProgressBarInDialog, (LPARAM)&hWndChild );
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if ( !hWndChild )
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return;
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g.m_bFoundWindow = true;
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g.m_hProgressBar = hWndChild;
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g.m_hDialog = hProgressDialog;
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// Hide the progress bar on the dialog since we'll be drawing our own
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ShowProgressBar( false );
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}
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void DrawProgressBar( HDC dc, bool showTicks, float frac )
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{
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// Get progress bar rectangle
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RECT rc;
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GetClientRect( g.m_hProgressBar, &rc );
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//InflateRect( &rc, 2, 2 );
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int w = rc.right - rc.left;
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int h = rc.bottom - rc.top;
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HDC dcMemory = CreateCompatibleDC( dc );
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HBITMAP bmMemory = CreateCompatibleBitmap( dc, w, h );
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HBITMAP bmOld = (HBITMAP)SelectObject( dcMemory, bmMemory );
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{
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HBRUSH clearColor = CreateSolidBrush( GetSysColor( COLOR_BTNFACE ) );
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FillRect( dcMemory, &rc, clearColor );
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// Create blue tick brush
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HBRUSH br = CreateSolidBrush( RGB( 2, 62, 134 ) );
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// Create background brush of same color as dialog background
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HBRUSH bg = CreateSolidBrush( RGB( 153, 175, 199) );
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// Create a black / shadow colored pen to frame the progress bar
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HPEN blackpen;
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blackpen = CreatePen( PS_SOLID, 1, GetSysColor( COLOR_BTNSHADOW ) );
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// Select items into dcMemory
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HPEN oldPen = (HPEN)SelectObject( dcMemory, blackpen );
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HBRUSH oldBrush = (HBRUSH)SelectObject( dcMemory, bg );
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rc.bottom = rc.top + 15;
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RoundRect( dcMemory, rc.left, rc.top, rc.right, rc.bottom, 5, 5 );
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// Inset by one unit
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InflateRect( &rc, -1, -1 );
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if ( showTicks )
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{
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HRGN clipRegion = (HRGN)CreateRectRgn( rc.left+1, rc.top, rc.right-1, rc.bottom );;
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SelectClipRgn( dcMemory, clipRegion );
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int numblocks = 8;
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int blockwidth = 6;
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int blockgap = 2;
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int size = numblocks * ( blockwidth + blockgap );
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// Determine width of progress bar work area
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int width = rc.right - rc.left + 2 * size;
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// Compute right edge of progress bar
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RECT rcProgress = rc;
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rcProgress.right = rcProgress.left - size + ( int )( frac * width + 0.5f );
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rcProgress.left = rcProgress.right - size;
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for ( int block = 0; block < numblocks; ++block )
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{
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RECT rcBlock;
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rcBlock.left = rcProgress.left + block * ( blockwidth + blockgap );
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rcBlock.right = rcBlock.left + blockwidth;
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rcBlock.top = rcProgress.top + 1;
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rcBlock.bottom = rcProgress.bottom - 1;
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// Fill in progress bar
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FillRect( dcMemory, &rcBlock, br );
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}
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SelectClipRgn( dcMemory, NULL );
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DeleteObject( clipRegion );
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}
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// Restore GDI states
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SelectObject( dcMemory, oldBrush );
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SelectObject( dcMemory, oldPen );
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DeleteObject( blackpen );
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DeleteObject( bg );
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DeleteObject( br );
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DeleteObject( clearColor );
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}
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POINT pt;
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pt.x = pt.y = 0;
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// Convert top left of progress bar to screen space
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ClientToScreen( g.m_hProgressBar, &pt );
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// and then back to dialog relative space
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ScreenToClient( g.m_hDialog, &pt );
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// Offset the progress bar rect to the right position in the dialog
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OffsetRect( &rc, pt.x, pt.y );
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BitBlt( dc, rc.left, rc.top, w, h, dcMemory, 0, 0, SRCCOPY );
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SelectObject( dcMemory, bmOld );
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DeleteObject( bmMemory );
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DeleteObject( dcMemory );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void UpdateProgress()
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{
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// If the "Insert next CD" or "Exit Setup" dialogs are showing, stop advancing the progress bar
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HWND hSwapDiskDialog = FindWindowHavingChildWithSpecifiedText( GetDesktopWindow(), FIND_WINDOW_TEXT_CHANGEDISKDIALOG );
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HWND hCancelDialog = FindWindowHavingChildWithSpecifiedText( GetDesktopWindow(), FIND_WINDOW_TEXT_CANCELDIALOG );
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if ( !hSwapDiskDialog && !hCancelDialog )
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{
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g.m_nTickCounter++;
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}
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if ( !g.m_hProgressBar || !g.m_hDialog )
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return;
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int remainder = ( g.m_nTickCounter % PROGRESS_TICKS );
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bool showTicks = ( remainder <= PROGRESS_WAIT_TICKS ) ? false : true;
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int currentTick = max( 0, remainder - PROGRESS_WAIT_TICKS );
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int totalTicks = PROGRESS_TICKS - PROGRESS_WAIT_TICKS;
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float frac = ( float )( currentTick % totalTicks ) / ( float )( totalTicks - 1 );
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HDC dc = GetDC( g.m_hDialog );
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{
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// Draw the progress bar
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DrawProgressBar( dc, showTicks, frac );
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}
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ReleaseDC( g.m_hDialog, dc );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Either searches for window or updates progress
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// The app will quit if the dialog is found and then goes away
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// The app wil also quit if the dialog was not found after waiting 60 seconds
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//-----------------------------------------------------------------------------
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void Think()
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{
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// Only think once every 100 msec
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DWORD curTick = GetTickCount();
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if ( curTick - g.m_nLastThink < 50 )
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{
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return;
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}
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g.m_nLastThink = curTick;
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// Haven't found window yet, keep searching
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if ( !g.m_bFoundWindow )
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{
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SearchForWindow();
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// Wise never got going..., abort this app...
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if ( ( curTick - g.m_nStartTick ) > ( SEARCH_TIMEOUT_SECONDS * 1000 ) )
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{
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PostQuitMessage( 0 );
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}
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}
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else
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{
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// Only redraw progress once every 100 msec
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UpdateProgress();
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// If the progress dialog does away, exit this app immediately
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if ( !IsWindow( g.m_hDialog ) )
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{
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PostQuitMessage( 0 );
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Main entry point
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// Input : hInstance -
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// hPrevInstance -
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// nCmdShow -
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// Output : int APIENTRY
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//-----------------------------------------------------------------------------
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int APIENTRY WinMain(HINSTANCE hInstance,
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HINSTANCE hPrevInstance,
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LPSTR lpCmdLine,
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int nCmdShow)
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{
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HWND hwnd ;
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WNDCLASS wndclass ;
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wndclass.style = CS_HREDRAW | CS_VREDRAW ;
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wndclass.lpfnWndProc = DefWindowProc;
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wndclass.cbClsExtra = 0 ;
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wndclass.cbWndExtra = 0 ;
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wndclass.hInstance = hInstance ;
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wndclass.hIcon = NULL;
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wndclass.hCursor = NULL;
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wndclass.hbrBackground = NULL;
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wndclass.lpszMenuName = NULL ;
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wndclass.lpszClassName = szAppName ;
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if ( !RegisterClass (&wndclass) )
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{
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return 0 ;
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}
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hwnd = CreateWindow
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(
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szAppName,
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TEXT (""),
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WS_OVERLAPPEDWINDOW,
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CW_USEDEFAULT, CW_USEDEFAULT,
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CW_USEDEFAULT, CW_USEDEFAULT,
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NULL, NULL, hInstance, NULL
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);
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if (!hwnd)
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return 0 ;
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ShowWindow( hwnd, SW_HIDE ) ;
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// Remember when we started
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g.m_nStartTick = GetTickCount();
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bool done = false;
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while ( 1 )
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{
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MSG msg;
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while ( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) )
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{
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if ( msg.message == WM_QUIT )
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{
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done = true;
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break;
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}
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TranslateMessage (&msg) ;
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DispatchMessage (&msg) ;
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}
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if ( done )
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break;
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Think();
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Sleep( 20 );
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}
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// Restore progress bar as needed
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ShowProgressBar( true );
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return 0;
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}
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