1052 lines
35 KiB
C++
1052 lines
35 KiB
C++
// --------------------------------------------------------------------------
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// Module Name: SwitchUserDialog.cpp
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//
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// Copyright (c) 2000, Microsoft Corporation
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//
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// Class that implements presentation of the Switch User dialog.
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//
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// History: 2001-01-23 vtan created (form Turn Off Dialog)
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// --------------------------------------------------------------------------
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#include "shellprv.h"
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#include "SwitchUserDialog.h"
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#include <msginaexports.h>
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#include <shlwapi.h>
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#include "ids.h"
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#include "tooltip.h"
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#define DISPLAYMSG(x) ASSERTMSG(false, x)
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EXTERN_C HINSTANCE g_hinst;
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// --------------------------------------------------------------------------
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// CSwitchUserDialog::CSwitchUserDialog
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//
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// Arguments: hInstance = HINSTANCE of hosting process/DLL.
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//
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// Returns: <none>
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//
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// Purpose: Constructor for CSwitchUserDialog. This initializes member
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// variables and loads resources used by the dialog.
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//
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// History: 2001-01-23 vtan created (form Turn Off Dialog)
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// --------------------------------------------------------------------------
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CSwitchUserDialog::CSwitchUserDialog (HINSTANCE hInstance) :
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_hInstance(hInstance),
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_hbmBackground(NULL),
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_hbmFlag(NULL),
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_hbmButtons(NULL),
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_hfntTitle(NULL),
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_hfntButton(NULL),
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_hpltShell(NULL),
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_lButtonHeight(0),
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_uiHoverID(0),
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_uiFocusID(0),
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_fSuccessfulInitialization(false),
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_fDialogEnded(false),
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_pTooltip(NULL)
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{
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bool fUse8BitDepth;
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HDC hdcScreen;
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LOGFONT logFont;
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char szPixelSize[10];
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BITMAP bitmap;
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TBOOL(SetRect(&_rcBackground, 0, 0, 0, 0));
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TBOOL(SetRect(&_rcFlag, 0, 0, 0, 0));
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TBOOL(SetRect(&_rcButtons, 0, 0, 0, 0));
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hdcScreen = GetDC(NULL);
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// 8-bit color?
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fUse8BitDepth = (GetDeviceCaps(hdcScreen, BITSPIXEL) <= 8);
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// Load the bitmaps.
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_hbmBackground = static_cast<HBITMAP>(LoadImage(_hInstance,
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MAKEINTRESOURCE(fUse8BitDepth ? IDB_BACKGROUND_8 : IDB_BACKGROUND_24),
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IMAGE_BITMAP,
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0,
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0,
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LR_CREATEDIBSECTION));
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if ((_hbmBackground != NULL) && (GetObject(_hbmBackground, sizeof(bitmap), &bitmap) >= sizeof(bitmap)))
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{
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TBOOL(SetRect(&_rcBackground, 0, 0, bitmap.bmWidth, bitmap.bmHeight));
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}
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_hbmFlag = static_cast<HBITMAP>(LoadImage(_hInstance,
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MAKEINTRESOURCE(fUse8BitDepth ? IDB_FLAG_8 : IDB_FLAG_24),
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IMAGE_BITMAP,
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0,
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0,
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LR_CREATEDIBSECTION));
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if ((_hbmFlag != NULL) && (GetObject(_hbmFlag, sizeof(bitmap), &bitmap) >= sizeof(bitmap)))
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{
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TBOOL(SetRect(&_rcFlag, 0, 0, bitmap.bmWidth, bitmap.bmHeight));
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}
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_hbmButtons = static_cast<HBITMAP>(LoadImage(_hInstance,
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MAKEINTRESOURCE(IDB_BUTTONS),
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IMAGE_BITMAP,
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0,
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0,
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LR_CREATEDIBSECTION));
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if ((_hbmButtons != NULL) && (GetObject(_hbmButtons, sizeof(bitmap), &bitmap) >= sizeof(bitmap)))
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{
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TBOOL(SetRect(&_rcButtons, 0, 0, bitmap.bmWidth, bitmap.bmHeight));
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_lButtonHeight = bitmap.bmHeight / (BUTTON_GROUP_MAX * BUTTON_STATE_MAX);
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}
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// Create fonts. Load the font name and size from resources.
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ZeroMemory(&logFont, sizeof(logFont));
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if (LoadStringA(_hInstance,
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IDS_SWITCHUSER_TITLE_FACESIZE,
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szPixelSize,
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ARRAYSIZE(szPixelSize)) != 0)
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{
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logFont.lfHeight = -MulDiv(atoi(szPixelSize), GetDeviceCaps(hdcScreen, LOGPIXELSY), 72);
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if (LoadString(_hInstance,
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IDS_SWITCHUSER_TITLE_FACENAME,
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logFont.lfFaceName,
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LF_FACESIZE) != 0)
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{
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logFont.lfWeight = FW_MEDIUM;
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logFont.lfQuality = DEFAULT_QUALITY;
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_hfntTitle = CreateFontIndirect(&logFont);
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}
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}
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ZeroMemory(&logFont, sizeof(logFont));
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if (LoadStringA(_hInstance,
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IDS_SWITCHUSER_BUTTON_FACESIZE,
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szPixelSize,
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ARRAYSIZE(szPixelSize)) != 0)
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{
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logFont.lfHeight = -MulDiv(atoi(szPixelSize), GetDeviceCaps(hdcScreen, LOGPIXELSY), 72);
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if (LoadString(_hInstance,
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IDS_SWITCHUSER_BUTTON_FACENAME,
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logFont.lfFaceName,
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LF_FACESIZE) != 0)
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{
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logFont.lfWeight = FW_BOLD;
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logFont.lfQuality = DEFAULT_QUALITY;
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_hfntButton = CreateFontIndirect(&logFont);
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}
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}
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// Load the shell palette.
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_hpltShell = SHCreateShellPalette(hdcScreen);
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TBOOL(ReleaseDC(NULL, hdcScreen));
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// Check for presence of all required resources.
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_fSuccessfulInitialization = ((_hfntTitle != NULL) &&
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(_hfntButton != NULL) &&
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(_hpltShell != NULL) &&
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(_hbmButtons != NULL) &&
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(_hbmFlag != NULL) &&
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(_hbmBackground != NULL));
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}
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// --------------------------------------------------------------------------
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// CSwitchUserDialog::~CSwitchUserDialog
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//
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// Arguments: <none>
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//
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// Returns: <none>
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//
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// Purpose: Destructor for CSwitchUserDialog. Release used resources and
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// unregister the window class.
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//
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// History: 2001-01-23 vtan created (form Turn Off Dialog)
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// --------------------------------------------------------------------------
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CSwitchUserDialog::~CSwitchUserDialog (void)
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{
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ASSERTMSG(_pTooltip == NULL, "_pTooltip not released in CSwitchUserDialog::~CSwitchUserDialog");
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// Release everything we allocated/loaded.
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if (_hpltShell != NULL)
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{
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TBOOL(DeleteObject(_hpltShell));
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_hpltShell = NULL;
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}
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if (_hfntButton != NULL)
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{
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TBOOL(DeleteObject(_hfntButton));
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_hfntButton = NULL;
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}
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if (_hfntTitle != NULL)
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{
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TBOOL(DeleteObject(_hfntTitle));
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_hfntTitle = NULL;
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}
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if (_hbmButtons != NULL)
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{
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TBOOL(DeleteObject(_hbmButtons));
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_hbmButtons = NULL;
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}
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if (_hbmFlag != NULL)
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{
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TBOOL(DeleteObject(_hbmFlag));
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_hbmFlag = NULL;
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}
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if (_hbmBackground != NULL)
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{
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TBOOL(DeleteObject(_hbmBackground));
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_hbmBackground = NULL;
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}
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}
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// --------------------------------------------------------------------------
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// CSwitchUserDialog::Show
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//
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// Arguments: <none>
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//
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// Returns: DWORD
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//
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// Purpose: Presents the "Switch User" dialog to the user and returns the
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// result of the dialog back to the caller.
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//
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// History: 2001-01-23 vtan created (form Turn Off Dialog)
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// --------------------------------------------------------------------------
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DWORD CSwitchUserDialog::Show (HWND hwndParent)
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{
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INT_PTR iResult;
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if (_fSuccessfulInitialization)
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{
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IUnknown *pIUnknown;
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// If no parent was given the create our own dimmed window.
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if (hwndParent == NULL)
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{
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if (FAILED(ShellDimScreen(&pIUnknown, &hwndParent)))
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{
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pIUnknown = NULL;
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hwndParent = NULL;
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}
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}
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else
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{
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pIUnknown = NULL;
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}
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// Show the dialog and get a result.
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iResult = DialogBoxParam(_hInstance,
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MAKEINTRESOURCE(DLG_SWITCHUSER),
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hwndParent,
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CB_DialogProc,
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reinterpret_cast<LPARAM>(this));
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if (pIUnknown != NULL)
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{
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pIUnknown->Release();
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}
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}
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else
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{
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iResult = 0;
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}
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return(static_cast<DWORD>(iResult));
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}
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// --------------------------------------------------------------------------
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// CSwitchUserDialog::PaintBitmap
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//
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// Arguments: hdcDestination = HDC to paint into.
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// prcDestination = RECT in HDC to paint into.
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// hbmSource = HBITMAP to paint.
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// prcSource = RECT from HBITMAP to paint from.
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//
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// Returns: <none>
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//
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// Purpose: Wraps blitting a bitmap.
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//
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// History: 2001-01-23 vtan created (form Turn Off Dialog)
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// 2001-03-17 vtan added source RECT for strip blitting
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// --------------------------------------------------------------------------
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void CSwitchUserDialog::PaintBitmap (HDC hdcDestination, const RECT *prcDestination, HBITMAP hbmSource, const RECT *prcSource)
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{
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HDC hdcBitmap;
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hdcBitmap = CreateCompatibleDC(NULL);
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if (hdcBitmap != NULL)
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{
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bool fEqualWidthAndHeight;
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int iWidthSource, iHeightSource, iWidthDestination, iHeightDestination;
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int iStretchBltMode;
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DWORD dwLayout;
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HBITMAP hbmSelected;
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RECT rcSource;
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BITMAP bitmap;
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if (prcSource == NULL)
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{
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if (GetObject(hbmSource, sizeof(bitmap), &bitmap) == 0)
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{
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bitmap.bmWidth = prcDestination->right - prcDestination->left;
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bitmap.bmHeight = prcDestination->bottom - prcDestination->top;
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}
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TBOOL(SetRect(&rcSource, 0, 0, bitmap.bmWidth, bitmap.bmHeight));
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prcSource = &rcSource;
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}
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hbmSelected = static_cast<HBITMAP>(SelectObject(hdcBitmap, hbmSource));
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iWidthSource = prcSource->right - prcSource->left;
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iHeightSource = prcSource->bottom - prcSource->top;
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iWidthDestination = prcDestination->right - prcDestination->left;
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iHeightDestination = prcDestination->bottom - prcDestination->top;
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fEqualWidthAndHeight = (iWidthSource == iWidthDestination) && (iHeightSource == iHeightDestination);
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if (!fEqualWidthAndHeight)
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{
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iStretchBltMode = SetStretchBltMode(hdcDestination, HALFTONE);
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}
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else
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{
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iStretchBltMode = 0;
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}
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dwLayout = SetLayout(hdcDestination, LAYOUT_BITMAPORIENTATIONPRESERVED);
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TBOOL(TransparentBlt(hdcDestination,
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prcDestination->left,
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prcDestination->top,
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iWidthDestination,
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iHeightDestination,
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hdcBitmap,
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prcSource->left,
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prcSource->top,
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iWidthSource,
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iHeightSource,
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RGB(255, 0, 255)));
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(DWORD)SetLayout(hdcDestination, dwLayout);
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if (!fEqualWidthAndHeight)
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{
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(int)SetStretchBltMode(hdcDestination, iStretchBltMode);
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}
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(HGDIOBJ)SelectObject(hdcBitmap, hbmSelected);
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TBOOL(DeleteDC(hdcBitmap));
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}
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}
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// --------------------------------------------------------------------------
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// CSwitchUserDialog::RemoveTooltip
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//
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// Arguments: <none>
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//
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// Returns: <none>
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//
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// Purpose: Removes the tooltip if present. This can be accessed from two
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// different threads so make sure that it's serialized.
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//
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// History: 2001-01-23 vtan created (form Turn Off Dialog)
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// --------------------------------------------------------------------------
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void CSwitchUserDialog::RemoveTooltip (void)
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{
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CTooltip *pTooltip;
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pTooltip = static_cast<CTooltip*>(InterlockedExchangePointer(reinterpret_cast<void**>(&_pTooltip), NULL));
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if (pTooltip != NULL)
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{
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delete pTooltip;
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}
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}
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// --------------------------------------------------------------------------
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// CSwitchUserDialog::FilterMetaCharacters
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//
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// Arguments: pszText = String to filter.
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//
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// Returns: <none>
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//
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// Purpose: Filters meta-characters from the given string.
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//
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// History: 2001-01-23 vtan created (form Turn Off Dialog)
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// --------------------------------------------------------------------------
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void CSwitchUserDialog::FilterMetaCharacters (TCHAR *pszText)
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{
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TCHAR *pTC;
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pTC = pszText;
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while (*pTC != TEXT('\0'))
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{
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if (*pTC == TEXT('&'))
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{
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(TCHAR*)lstrcpy(pTC, pTC + 1);
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}
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else
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{
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++pTC;
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}
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}
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}
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// --------------------------------------------------------------------------
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// CSwitchUserDialog::EndDialog
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//
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// Arguments: hwnd = HWND of dialog.
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// iResult = Result to end dialog with.
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//
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// Returns: <none>
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//
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// Purpose: Removes the tool tip if present. Ends the dialog.
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//
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// History: 2001-01-23 vtan created (form Turn Off Dialog)
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// --------------------------------------------------------------------------
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void CSwitchUserDialog::EndDialog (HWND hwnd, INT_PTR iResult)
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{
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RemoveTooltip();
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// Set the dialog end member variable here. This will cause the WM_ACTIVATE
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// handler to ignore the deactivation associated with ending the dialog. If
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// it doesn't ignore it then it thinks the dialog is being deactivated
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// because another dialog is activating and ends the dialog with SHTDN_NONE.
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_fDialogEnded = true;
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TBOOL(::EndDialog(hwnd, iResult));
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}
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// --------------------------------------------------------------------------
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// CSwitchUserDialog::Handle_BN_CLICKED
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//
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// Arguments: hwnd = HWND of dialog.
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// wID = ID of control.
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//
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// Returns: <none>
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//
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// Purpose: Handles clicks in the bitmap buttons and sets the return
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// result according to the button pressed.
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//
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// History: 2001-01-23 vtan created (form Turn Off Dialog)
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// --------------------------------------------------------------------------
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void CSwitchUserDialog::Handle_BN_CLICKED (HWND hwnd, WORD wID)
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{
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switch (wID)
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{
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case IDCANCEL:
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EndDialog(hwnd, SHTDN_NONE);
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break;
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case IDC_BUTTON_SWITCHUSER:
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EndDialog(hwnd, SHTDN_DISCONNECT);
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break;
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case IDC_BUTTON_LOGOFF:
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EndDialog(hwnd, SHTDN_LOGOFF);
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break;
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default:
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break;
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}
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}
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// --------------------------------------------------------------------------
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// CSwitchUserDialog::Handle_WM_INITDIALOG
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//
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// Arguments: hwnd = HWND of this window.
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//
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// Returns: <none>
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//
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// Purpose: Handles WM_INITDIALOG message. Centre the dialog on the main
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// monitor. Subclass the buttons so that we can get hover state
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// correctly implemented.
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//
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// History: 2001-01-23 vtan created (form Turn Off Dialog)
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// --------------------------------------------------------------------------
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void CSwitchUserDialog::Handle_WM_INITDIALOG (HWND hwnd)
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{
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RECT rc;
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// Center the dialog on the main monitor.
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TBOOL(GetClientRect(hwnd, &rc));
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TBOOL(SetWindowPos(hwnd,
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HWND_TOP,
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(GetSystemMetrics(SM_CXSCREEN) - (rc.right - rc.left)) / 2,
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(GetSystemMetrics(SM_CYSCREEN) - (rc.bottom - rc.top)) / 3,
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0,
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0,
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SWP_NOSIZE));
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// Subclass buttons for tooltips and cursor control.
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TBOOL(SetWindowSubclass(GetDlgItem(hwnd, IDC_BUTTON_SWITCHUSER), ButtonSubClassProc, IDC_BUTTON_SWITCHUSER, reinterpret_cast<DWORD_PTR>(this)));
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TBOOL(SetWindowSubclass(GetDlgItem(hwnd, IDC_BUTTON_LOGOFF), ButtonSubClassProc, IDC_BUTTON_LOGOFF, reinterpret_cast<DWORD_PTR>(this)));
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// Set the focus to the "Switch User" button.
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(HWND)SetFocus(GetDlgItem(hwnd, IDC_BUTTON_SWITCHUSER));
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_uiFocusID = IDC_BUTTON_SWITCHUSER;
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(LRESULT)SendMessage(hwnd, DM_SETDEFID, _uiFocusID, 0);
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}
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// --------------------------------------------------------------------------
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// CSwitchUserDialog::Handle_WM_DESTROY
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//
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// Arguments: hwnd = HWND of the dialog.
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//
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// Returns: <none>
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//
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// Purpose: Removes the subclassing of the button windows and can do any
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// other clean up required in WM_DESTROY.
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//
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// History: 2001-01-23 vtan created (form Turn Off Dialog)
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// --------------------------------------------------------------------------
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void CSwitchUserDialog::Handle_WM_DESTROY (HWND hwnd)
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{
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TBOOL(RemoveWindowSubclass(GetDlgItem(hwnd, IDC_BUTTON_LOGOFF), ButtonSubClassProc, IDC_BUTTON_LOGOFF));
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TBOOL(RemoveWindowSubclass(GetDlgItem(hwnd, IDC_BUTTON_SWITCHUSER), ButtonSubClassProc, IDC_BUTTON_SWITCHUSER));
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}
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// --------------------------------------------------------------------------
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// CSwitchUserDialog::Handle_WM_ERASEBKGND
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//
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// Arguments: hwnd = HWND to erase.
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// hdcErase = HDC to paint.
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//
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// Returns: <none>
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//
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// Purpose: Erases the background.
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//
|
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// History: 2001-01-23 vtan created (form Turn Off Dialog)
|
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// --------------------------------------------------------------------------
|
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void CSwitchUserDialog::Handle_WM_ERASEBKGND (HWND hwnd, HDC hdcErase)
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{
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RECT rc;
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TBOOL(GetClientRect(hwnd, &rc));
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PaintBitmap(hdcErase, &rc, _hbmBackground, &_rcBackground);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CSwitchUserDialog::Handle_WM_PRINTCLIENT
|
|
//
|
|
// Arguments: hwnd = HWND to erase.
|
|
// hdcErase = HDC to paint.
|
|
// dwOptions = Options for drawing.
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Handles painting the client area for WM_PRINTCLIENT.
|
|
//
|
|
// History: 2001-01-23 vtan created (form Turn Off Dialog)
|
|
// --------------------------------------------------------------------------
|
|
|
|
void CSwitchUserDialog::Handle_WM_PRINTCLIENT (HWND hwnd, HDC hdcPrint, DWORD dwOptions)
|
|
|
|
{
|
|
if ((dwOptions & (PRF_ERASEBKGND | PRF_CLIENT)) != 0)
|
|
{
|
|
Handle_WM_ERASEBKGND(hwnd, hdcPrint);
|
|
}
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CSwitchUserDialog::Handle_WM_ACTIVATE
|
|
//
|
|
// Arguments: hwnd = HWND to erase.
|
|
// dwState = Activate state.
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Detects if this window is becoming inactive. In this case
|
|
// end the dialog.
|
|
//
|
|
// History: 2001-01-23 vtan created (form Turn Off Dialog)
|
|
// --------------------------------------------------------------------------
|
|
|
|
void CSwitchUserDialog::Handle_WM_ACTIVATE (HWND hwnd, DWORD dwState)
|
|
|
|
{
|
|
if ((WA_INACTIVE == dwState) && !_fDialogEnded)
|
|
{
|
|
EndDialog(hwnd, SHTDN_NONE);
|
|
}
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CSwitchUserDialog::Handle_WM_DRAWITEM
|
|
//
|
|
// Arguments: hwnd = HWND of the parent window.
|
|
// pDIS = DRAWITEMSTRUCT defining what to draw.
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Draws several aspects of the turn off dialog. It handles the
|
|
// title text, the owner draw bitmap buttons, the text for the
|
|
// bitmap buttons and the separator line.
|
|
//
|
|
// History: 2001-01-23 vtan created (form Turn Off Dialog)
|
|
// --------------------------------------------------------------------------
|
|
|
|
void CSwitchUserDialog::Handle_WM_DRAWITEM (HWND hwnd, const DRAWITEMSTRUCT *pDIS)
|
|
|
|
{
|
|
HPALETTE hPaletteOld;
|
|
HFONT hfntSelected;
|
|
int iBkMode;
|
|
COLORREF colorText;
|
|
RECT rc;
|
|
SIZE size;
|
|
TCHAR szText[256];
|
|
|
|
hPaletteOld = SelectPalette(pDIS->hDC, _hpltShell, FALSE);
|
|
(UINT)RealizePalette(pDIS->hDC);
|
|
switch (pDIS->CtlID)
|
|
{
|
|
case IDC_BUTTON_SWITCHUSER:
|
|
case IDC_BUTTON_LOGOFF:
|
|
{
|
|
int iState, iGroup;
|
|
|
|
// Select the correct state index to use. Check for ODS_SELECTED first.
|
|
// Then check for hover or ODS_FOCUS. Otherwise use the rest state.
|
|
|
|
if ((pDIS->itemState & ODS_SELECTED) != 0)
|
|
{
|
|
iState = BUTTON_STATE_DOWN;
|
|
}
|
|
else if ((_uiHoverID == pDIS->CtlID) || ((pDIS->itemState & ODS_FOCUS) != 0))
|
|
{
|
|
iState = BUTTON_STATE_HOVER;
|
|
}
|
|
else
|
|
{
|
|
iState = BUTTON_STATE_REST;
|
|
}
|
|
|
|
// Now select the correct bitmap based on the state index.
|
|
|
|
switch (pDIS->CtlID)
|
|
{
|
|
case IDC_BUTTON_SWITCHUSER:
|
|
iGroup = BUTTON_GROUP_SWITCHUSER;
|
|
break;
|
|
case IDC_BUTTON_LOGOFF:
|
|
iGroup = BUTTON_GROUP_LOGOFF;
|
|
break;
|
|
default:
|
|
iGroup = -1;
|
|
DISPLAYMSG("This should never be executed");
|
|
break;
|
|
}
|
|
if (iGroup >= 0)
|
|
{
|
|
RECT rc;
|
|
|
|
// Calculate which part of the background to blit into the DC.
|
|
// Only blit the amount that's necessary to avoid excessive
|
|
// blitting. Once blitted then blit the button BMP. The blit
|
|
// uses msimg32!TransparentBlt with the magical magenta color.
|
|
|
|
TBOOL(CopyRect(&rc, &_rcBackground));
|
|
(int)MapWindowPoints(pDIS->hwndItem, hwnd, reinterpret_cast<POINT*>(&rc), sizeof(RECT) / sizeof(POINT));
|
|
rc.right = rc.left + (_rcButtons.right - _rcButtons.left);
|
|
rc.bottom = rc.top + _lButtonHeight;
|
|
PaintBitmap(pDIS->hDC, &pDIS->rcItem, _hbmBackground, &rc);
|
|
TBOOL(CopyRect(&rc, &_rcButtons));
|
|
rc.top = ((iGroup * BUTTON_STATE_MAX) + iState) * _lButtonHeight;
|
|
rc.bottom = rc.top + _lButtonHeight;
|
|
PaintBitmap(pDIS->hDC, &pDIS->rcItem, _hbmButtons, &rc);
|
|
}
|
|
break;
|
|
}
|
|
case IDC_TITLE_FLAG:
|
|
{
|
|
BITMAP bitmap;
|
|
|
|
TBOOL(GetClientRect(pDIS->hwndItem, &rc));
|
|
if (GetObject(_hbmFlag, sizeof(bitmap), &bitmap) != 0)
|
|
{
|
|
rc.left += ((rc.right - rc.left) - bitmap.bmWidth) / 2;
|
|
rc.right = rc.left + bitmap.bmWidth;
|
|
rc.top += ((rc.bottom - rc.top) - bitmap.bmHeight) / 2;
|
|
rc.bottom = rc.top + bitmap.bmHeight;
|
|
}
|
|
PaintBitmap(pDIS->hDC, &rc, _hbmFlag, &_rcFlag);
|
|
break;
|
|
}
|
|
case IDC_TITLE_SWITCHUSER:
|
|
{
|
|
|
|
// Draw the title of the dialog "Log Off Windows".
|
|
|
|
hfntSelected = static_cast<HFONT>(SelectObject(pDIS->hDC, _hfntTitle));
|
|
colorText = SetTextColor(pDIS->hDC, 0x00FFFFFF);
|
|
iBkMode = SetBkMode(pDIS->hDC, TRANSPARENT);
|
|
(int)GetWindowText(GetDlgItem(hwnd, pDIS->CtlID), szText, ARRAYSIZE(szText));
|
|
TBOOL(GetTextExtentPoint(pDIS->hDC, szText, lstrlen(szText), &size));
|
|
TBOOL(CopyRect(&rc, &pDIS->rcItem));
|
|
TBOOL(InflateRect(&rc, 0, -((rc.bottom - rc.top - size.cy) / 2)));
|
|
(int)DrawText(pDIS->hDC, szText, -1, &rc, 0);
|
|
(int)SetBkMode(pDIS->hDC, iBkMode);
|
|
(COLORREF)SetTextColor(pDIS->hDC, colorText);
|
|
(HGDIOBJ)SelectObject(pDIS->hDC, hfntSelected);
|
|
break;
|
|
}
|
|
case IDC_TEXT_SWITCHUSER:
|
|
case IDC_TEXT_LOGOFF:
|
|
{
|
|
int iPixelHeight, iButtonID;
|
|
RECT rcText;
|
|
|
|
// The text to display is based on the button title. Map the static
|
|
// text ID to a "parent" button ID. Special case IDC_TEXT_STANDBY.
|
|
|
|
switch (pDIS->CtlID)
|
|
{
|
|
case IDC_TEXT_SWITCHUSER:
|
|
iButtonID = IDC_BUTTON_SWITCHUSER;
|
|
break;
|
|
case IDC_TEXT_LOGOFF:
|
|
iButtonID = IDC_BUTTON_LOGOFF;
|
|
break;
|
|
default:
|
|
iButtonID = 0;
|
|
DISPLAYMSG("This should never be executed");
|
|
break;
|
|
}
|
|
hfntSelected = static_cast<HFONT>(SelectObject(pDIS->hDC, _hfntButton));
|
|
colorText = SetTextColor(pDIS->hDC, RGB(255, 255, 255));
|
|
iBkMode = SetBkMode(pDIS->hDC, TRANSPARENT);
|
|
(int)GetWindowText(GetDlgItem(hwnd, iButtonID), szText, ARRAYSIZE(szText));
|
|
TBOOL(CopyRect(&rcText, &pDIS->rcItem));
|
|
iPixelHeight = DrawText(pDIS->hDC, szText, -1, &rcText, DT_CALCRECT);
|
|
TBOOL(CopyRect(&rc, &pDIS->rcItem));
|
|
TBOOL(InflateRect(&rc, -((rc.right - rc.left - (rcText.right - rcText.left)) / 2), -((rc.bottom - rc.top - iPixelHeight) / 2)));
|
|
(int)DrawText(pDIS->hDC, szText, -1, &rc, ((pDIS->itemState & ODS_NOACCEL ) != 0) ? DT_HIDEPREFIX : 0);
|
|
(int)SetBkMode(pDIS->hDC, iBkMode);
|
|
(COLORREF)SetTextColor(pDIS->hDC, colorText);
|
|
(HGDIOBJ)SelectObject(pDIS->hDC, hfntSelected);
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
DISPLAYMSG("Unknown control ID passed to CSwitchUserDialog::Handle_WM_DRAWITEM");
|
|
break;
|
|
}
|
|
}
|
|
(HGDIOBJ)SelectPalette(pDIS->hDC, hPaletteOld, FALSE);
|
|
(UINT)RealizePalette(pDIS->hDC);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CSwitchUserDialog::Handle_WM_COMMAND
|
|
//
|
|
// Arguments: hwnd = HWND of dialog.
|
|
// wParam = WPARAM (see platform SDK under WM_COMMAND).
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Handles clicks in the bitmap buttons and sets the return
|
|
// result according to the button pressed.
|
|
//
|
|
// History: 2001-01-23 vtan created (form Turn Off Dialog)
|
|
// --------------------------------------------------------------------------
|
|
|
|
void CSwitchUserDialog::Handle_WM_COMMAND (HWND hwnd, WPARAM wParam)
|
|
|
|
{
|
|
switch (HIWORD(wParam))
|
|
{
|
|
case BN_CLICKED:
|
|
Handle_BN_CLICKED(hwnd, LOWORD(wParam));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CSwitchUserDialog::Handle_WM_MOUSEMOVE
|
|
//
|
|
// Arguments: hwnd = HWND of the control.
|
|
// uiID = ID of the control.
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Sets the cursor to a hand and tracks mouse movement in the
|
|
// control. Refresh the control to show the hover state.
|
|
//
|
|
// History: 2001-01-23 vtan created (form Turn Off Dialog)
|
|
// --------------------------------------------------------------------------
|
|
|
|
void CSwitchUserDialog::Handle_WM_MOUSEMOVE (HWND hwnd, UINT uiID)
|
|
|
|
{
|
|
(HCURSOR)SetCursor(LoadCursor(NULL, IDC_HAND));
|
|
if (uiID != _uiHoverID)
|
|
{
|
|
TRACKMOUSEEVENT tme;
|
|
|
|
_uiHoverID = uiID;
|
|
tme.cbSize = sizeof(tme);
|
|
tme.dwFlags = TME_HOVER | TME_LEAVE;
|
|
tme.hwndTrack = hwnd;
|
|
tme.dwHoverTime = HOVER_DEFAULT;
|
|
TBOOL(TrackMouseEvent(&tme));
|
|
TBOOL(InvalidateRect(hwnd, NULL, FALSE));
|
|
}
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CSwitchUserDialog::Handle_WM_MOUSEHOVER
|
|
//
|
|
// Arguments: hwnd = HWND of the control.
|
|
// uiID = ID of the control.
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Handles hovering over the control. Determine which tooltip to
|
|
// bring up and show it.
|
|
//
|
|
// History: 2001-01-23 vtan created (form Turn Off Dialog)
|
|
// --------------------------------------------------------------------------
|
|
|
|
void CSwitchUserDialog::Handle_WM_MOUSEHOVER (HWND hwnd, UINT uiID)
|
|
|
|
{
|
|
int iTextID;
|
|
|
|
switch (uiID)
|
|
{
|
|
case IDC_BUTTON_SWITCHUSER:
|
|
iTextID = IDS_SWITCHUSER_TOOLTIP_TEXT_SWITCHUSER;
|
|
break;
|
|
case IDC_BUTTON_LOGOFF:
|
|
iTextID = IDS_SWITCHUSER_TOOLTIP_TEXT_LOGOFF;
|
|
break;
|
|
default:
|
|
iTextID = 0;
|
|
break;
|
|
}
|
|
|
|
// Construct the tooltip and show it.
|
|
|
|
if (iTextID != 0)
|
|
{
|
|
int iCaptionLength;
|
|
TCHAR *pszCaption;
|
|
|
|
iCaptionLength = GetWindowTextLength(hwnd) + sizeof('\0');
|
|
pszCaption = static_cast<TCHAR*>(LocalAlloc(LMEM_FIXED, iCaptionLength * sizeof(TCHAR)));
|
|
if (pszCaption != NULL)
|
|
{
|
|
if (GetWindowText(hwnd, pszCaption, iCaptionLength) != 0)
|
|
{
|
|
_pTooltip = new CTooltip(_hInstance, hwnd);
|
|
if (_pTooltip != NULL)
|
|
{
|
|
TCHAR szText[256];
|
|
|
|
if (LoadString(_hInstance, iTextID, szText + sizeof('\r') + sizeof('\n'), ARRAYSIZE(szText) - sizeof('\r') - sizeof('\n')) != 0)
|
|
{
|
|
FilterMetaCharacters(pszCaption);
|
|
szText[0] = TEXT('\r');
|
|
szText[1] = TEXT('\n');
|
|
_pTooltip->SetPosition();
|
|
_pTooltip->SetCaption(0, pszCaption);
|
|
_pTooltip->SetText(szText);
|
|
_pTooltip->Show();
|
|
}
|
|
}
|
|
}
|
|
(HLOCAL)LocalFree(pszCaption);
|
|
}
|
|
}
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CSwitchUserDialog::Handle_WM_MOUSELEAVE
|
|
//
|
|
// Arguments: hwnd = HWND of the control.
|
|
//
|
|
// Returns: <none>
|
|
//
|
|
// Purpose: Removes the tooltip and clears the hover ID.
|
|
//
|
|
// History: 2001-01-23 vtan created (form Turn Off Dialog)
|
|
// --------------------------------------------------------------------------
|
|
|
|
void CSwitchUserDialog::Handle_WM_MOUSELEAVE (HWND hwnd)
|
|
|
|
{
|
|
RemoveTooltip();
|
|
_uiHoverID = 0;
|
|
TBOOL(InvalidateRect(hwnd, NULL, FALSE));
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CSwitchUserDialog::CB_DialogProc
|
|
//
|
|
// Arguments: See the platform SDK under DialogProc.
|
|
//
|
|
// Returns: See the platform SDK under DialogProc.
|
|
//
|
|
// Purpose: Main DialogProc dispatch entry point for the turn off dialog.
|
|
// To keep this simple it calls member functions.
|
|
//
|
|
// History: 2001-01-23 vtan created (form Turn Off Dialog)
|
|
// --------------------------------------------------------------------------
|
|
|
|
INT_PTR CALLBACK CSwitchUserDialog::CB_DialogProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
|
|
{
|
|
INT_PTR iResult;
|
|
CSwitchUserDialog *pThis;
|
|
|
|
pThis = reinterpret_cast<CSwitchUserDialog*>(GetWindowLongPtr(hwnd, GWLP_USERDATA));
|
|
switch (uMsg)
|
|
{
|
|
case WM_INITDIALOG:
|
|
pThis = reinterpret_cast<CSwitchUserDialog*>(lParam);
|
|
(LONG_PTR)SetWindowLongPtr(hwnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(pThis));
|
|
pThis->Handle_WM_INITDIALOG(hwnd);
|
|
iResult = FALSE;
|
|
break;
|
|
case WM_DESTROY:
|
|
pThis->Handle_WM_DESTROY(hwnd);
|
|
iResult = 0;
|
|
break;
|
|
case WM_ERASEBKGND:
|
|
pThis->Handle_WM_ERASEBKGND(hwnd, reinterpret_cast<HDC>(wParam));
|
|
iResult = 1;
|
|
break;
|
|
case WM_PRINTCLIENT:
|
|
pThis->Handle_WM_PRINTCLIENT(hwnd, reinterpret_cast<HDC>(wParam), static_cast<DWORD>(lParam));
|
|
iResult = 1; // This tells the button that it was handled.
|
|
break;
|
|
case WM_ACTIVATE:
|
|
pThis->Handle_WM_ACTIVATE(hwnd, static_cast<DWORD>(wParam));
|
|
iResult = 1;
|
|
break;
|
|
case WM_DRAWITEM:
|
|
pThis->Handle_WM_DRAWITEM(hwnd, reinterpret_cast<DRAWITEMSTRUCT*>(lParam));
|
|
iResult = TRUE;
|
|
break;
|
|
case WM_COMMAND:
|
|
pThis->Handle_WM_COMMAND(hwnd, wParam);
|
|
iResult = 0;
|
|
break;
|
|
default:
|
|
iResult = 0;
|
|
break;
|
|
}
|
|
return(iResult);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CSwitchUserDialog::ButtonSubClassProc
|
|
//
|
|
// Arguments: hwnd = See the platform SDK under WindowProc.
|
|
// uMsg = See the platform SDK under WindowProc.
|
|
// wParam = See the platform SDK under WindowProc.
|
|
// lParam = See the platform SDK under WindowProc.
|
|
// uiID = ID assigned at subclass time.
|
|
// dwRefData = reference data assigned at subclass time.
|
|
//
|
|
// Returns: LRESULT
|
|
//
|
|
// Purpose: comctl32 subclass callback function. This allows the bitmap
|
|
// buttons to hover and track accordingly. This also allows our
|
|
// BS_OWNERDRAW buttons to be pushed when the keyboard is used.
|
|
//
|
|
// History: 2001-01-23 vtan created (form Turn Off Dialog)
|
|
// --------------------------------------------------------------------------
|
|
|
|
LRESULT CALLBACK CSwitchUserDialog::ButtonSubClassProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR uiID, DWORD_PTR dwRefData)
|
|
|
|
{
|
|
LRESULT lResult;
|
|
CSwitchUserDialog *pThis;
|
|
|
|
pThis = reinterpret_cast<CSwitchUserDialog*>(dwRefData);
|
|
switch (uMsg)
|
|
{
|
|
|
|
// Do NOT allow BM_SETSTYLE to go thru to the default handler. This is
|
|
// because DLGC_UNDEFPUSHBUTTON is returned for WM_GETDLGCODE. When the
|
|
// dialog manager sees this it tries to set the focus style on the button.
|
|
// Even though it's owner drawn the button window proc still draws the
|
|
// focus state (because we returned DLGC_UNDEFPUSHBUTTON). Therefore to
|
|
// ensure the bitmap isn't over-painted by the button window proc blow off
|
|
// the BM_SETSTYLE and don't let it get to the button window proc.
|
|
|
|
case BM_SETSTYLE:
|
|
if (wParam == BS_DEFPUSHBUTTON)
|
|
{
|
|
pThis->_uiFocusID = static_cast<UINT>(uiID);
|
|
}
|
|
if (uiID != IDCANCEL)
|
|
{
|
|
lResult = 0;
|
|
break;
|
|
}
|
|
// Fall thru
|
|
default:
|
|
|
|
// Otherwise in the default case let the default handler at the message
|
|
// first. This implements tail-patching.
|
|
|
|
lResult = DefSubclassProc(hwnd, uMsg, wParam, lParam);
|
|
switch (uMsg)
|
|
{
|
|
case DM_GETDEFID:
|
|
lResult = (DC_HASDEFID << 16) | static_cast<WORD>(pThis->_uiFocusID);
|
|
break;
|
|
case WM_GETDLGCODE:
|
|
if (uiID == pThis->_uiFocusID)
|
|
{
|
|
lResult |= DLGC_DEFPUSHBUTTON;
|
|
}
|
|
else
|
|
{
|
|
lResult |= DLGC_UNDEFPUSHBUTTON;
|
|
}
|
|
break;
|
|
case WM_MOUSEMOVE:
|
|
pThis->Handle_WM_MOUSEMOVE(hwnd, static_cast<UINT>(uiID));
|
|
break;
|
|
case WM_MOUSEHOVER:
|
|
pThis->Handle_WM_MOUSEHOVER(hwnd, static_cast<UINT>(uiID));
|
|
break;
|
|
case WM_MOUSELEAVE:
|
|
pThis->Handle_WM_MOUSELEAVE(hwnd);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return(lResult);
|
|
}
|
|
|
|
EXTERN_C DWORD SwitchUserDialog_Show (HWND hwndParent)
|
|
|
|
{
|
|
CSwitchUserDialog switchUserDialog(g_hinst);
|
|
|
|
return(switchUserDialog.Show(hwndParent));
|
|
}
|
|
|