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[Emerge-svn] SF.net SVN: emerge: [1831] trunk/Source/emergeCore/Desktop.cpp
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From: <ir0...@us...> - 2008-06-25 17:15:12
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Revision: 1831
http://emerge.svn.sourceforge.net/emerge/?rev=1831&view=rev
Author: ir0nh34d
Date: 2008-06-25 10:15:03 -0700 (Wed, 25 Jun 2008)
Log Message:
-----------
Don't display an error message if there is no wallpaper to load
Modified Paths:
--------------
trunk/Source/emergeCore/Desktop.cpp
Modified: trunk/Source/emergeCore/Desktop.cpp
===================================================================
--- trunk/Source/emergeCore/Desktop.cpp 2008-06-22 02:50:07 UTC (rev 1830)
+++ trunk/Source/emergeCore/Desktop.cpp 2008-06-25 17:15:03 UTC (rev 1831)
@@ -27,76 +27,76 @@
Desktop::Desktop(HINSTANCE hInstance)
{
- mainInst = hInstance;
+ mainInst = hInstance;
}
bool Desktop::Initialize()
{
- registered = false;
- WNDCLASSEX wincl;
- ZeroMemory(&wincl, sizeof(WNDCLASSEX));
+ registered = false;
+ WNDCLASSEX wincl;
+ ZeroMemory(&wincl, sizeof(WNDCLASSEX));
- // Register the window class
- wincl.hInstance = mainInst;
- wincl.lpszClassName = desktopClass;
- wincl.lpfnWndProc = DesktopProcedure;
- wincl.cbSize = sizeof (WNDCLASSEX);
- wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
- wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
- wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
+ // Register the window class
+ wincl.hInstance = mainInst;
+ wincl.lpszClassName = desktopClass;
+ wincl.lpfnWndProc = DesktopProcedure;
+ wincl.cbSize = sizeof (WNDCLASSEX);
+ wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
+ wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
+ wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
- // Register the window class, and if it fails quit the program
- if (!RegisterClassEx (&wincl))
- return false;
+ // Register the window class, and if it fails quit the program
+ if (!RegisterClassEx (&wincl))
+ return false;
- // The class is registered, let's create the window
- mainWnd = CreateWindowEx(WS_EX_TOOLWINDOW, desktopClass, NULL, WS_POPUP,
- 0, 0, 0, 0, NULL, NULL, mainInst, NULL);
+ // The class is registered, let's create the window
+ mainWnd = CreateWindowEx(WS_EX_TOOLWINDOW, desktopClass, NULL, WS_POPUP,
+ 0, 0, 0, 0, NULL, NULL, mainInst, NULL);
- // If the window failed to get created, unregister the class and quit the program
- if (!mainWnd)
+ // If the window failed to get created, unregister the class and quit the program
+ if (!mainWnd)
{
- MessageBox(GetDesktopWindow(),
- TEXT("Failed to create desktop window"),
- TEXT("emergeDesktop"),
- MB_OK | MB_TOPMOST | MB_ICONERROR);
- return false;
+ MessageBox(GetDesktopWindow(),
+ TEXT("Failed to create desktop window"),
+ TEXT("emergeDesktop"),
+ MB_OK | MB_TOPMOST | MB_ICONERROR);
+ return false;
}
- SetWindowPos(mainWnd, HWND_BOTTOM, GetSystemMetrics(SM_XVIRTUALSCREEN), GetSystemMetrics(SM_YVIRTUALSCREEN),
- GetSystemMetrics(SM_CXVIRTUALSCREEN), GetSystemMetrics(SM_CYVIRTUALSCREEN),
- SWP_NOACTIVATE|SWP_NOSENDCHANGING|SWP_SHOWWINDOW);
+ SetWindowPos(mainWnd, HWND_BOTTOM, GetSystemMetrics(SM_XVIRTUALSCREEN), GetSystemMetrics(SM_YVIRTUALSCREEN),
+ GetSystemMetrics(SM_CXVIRTUALSCREEN), GetSystemMetrics(SM_CYVIRTUALSCREEN),
+ SWP_NOACTIVATE|SWP_NOSENDCHANGING|SWP_SHOWWINDOW);
- SetBackgroundImage();
+ SetBackgroundImage();
- if (ELRegisterShellHook(mainWnd, RSH_TASKMGR))
- ShellMessage = RegisterWindowMessage(TEXT("SHELLHOOK"));
+ if (ELRegisterShellHook(mainWnd, RSH_TASKMGR))
+ ShellMessage = RegisterWindowMessage(TEXT("SHELLHOOK"));
- SetTimer(mainWnd, DESKTOP_TIMER, DESKTOP_POLL_INTERVAL, DesktopTimerProc);
+ SetTimer(mainWnd, DESKTOP_TIMER, DESKTOP_POLL_INTERVAL, DesktopTimerProc);
- return true;
+ return true;
}
Desktop::~Desktop()
{
- if (registered)
+ if (registered)
{
- KillTimer(mainWnd, DESKTOP_TIMER);
+ KillTimer(mainWnd, DESKTOP_TIMER);
- // Unregister the window class
- UnregisterClass(desktopClass, mainInst);
+ // Unregister the window class
+ UnregisterClass(desktopClass, mainInst);
}
}
VOID CALLBACK Desktop::DesktopTimerProc(HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
{
- UNREFERENCED_PARAMETER(uMsg);
- UNREFERENCED_PARAMETER(idEvent);
- UNREFERENCED_PARAMETER(dwTime);
+ UNREFERENCED_PARAMETER(uMsg);
+ UNREFERENCED_PARAMETER(idEvent);
+ UNREFERENCED_PARAMETER(dwTime);
- HWND bottomWnd = GetWindow(hwnd, GW_HWNDLAST);
- if (IsWindowVisible(bottomWnd) && (bottomWnd != hwnd))
- SetWindowPos(hwnd, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE|SWP_NOSENDCHANGING|SWP_NOACTIVATE);
+ HWND bottomWnd = GetWindow(hwnd, GW_HWNDLAST);
+ if (IsWindowVisible(bottomWnd) && (bottomWnd != hwnd))
+ SetWindowPos(hwnd, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE|SWP_NOSENDCHANGING|SWP_NOACTIVATE);
}
//-----
@@ -110,106 +110,99 @@
//-----
LRESULT CALLBACK Desktop::DesktopProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
- switch (message)
+ switch (message)
{
- case WM_SYSCOMMAND:
- break;
+ case WM_SYSCOMMAND:
+ break;
- case WM_PAINT:
- {
- PAINTSTRUCT ps;
- HDC hdc = BeginPaint(hwnd, &ps);
- PaintDesktop(hdc);
- EndPaint(hwnd, &ps);
- }
- break;
+ case WM_PAINT:
+ {
+ PAINTSTRUCT ps;
+ HDC hdc = BeginPaint(hwnd, &ps);
+ PaintDesktop(hdc);
+ EndPaint(hwnd, &ps);
+ }
+ break;
- case WM_RBUTTONDOWN:
- pMessageControl->DispatchMessage(EMERGE_CORE, CORE_RIGHTMENU);
- break;
+ case WM_RBUTTONDOWN:
+ pMessageControl->DispatchMessage(EMERGE_CORE, CORE_RIGHTMENU);
+ break;
- case WM_MBUTTONDOWN:
- pMessageControl->DispatchMessage(EMERGE_CORE, CORE_MIDMENU);
- break;
+ case WM_MBUTTONDOWN:
+ pMessageControl->DispatchMessage(EMERGE_CORE, CORE_MIDMENU);
+ break;
- case WM_DISPLAYCHANGE:
- {
- SetWindowPos(hwnd, HWND_BOTTOM,
- GetSystemMetrics(SM_XVIRTUALSCREEN), GetSystemMetrics(SM_YVIRTUALSCREEN),
- GetSystemMetrics(SM_CXVIRTUALSCREEN), GetSystemMetrics(SM_CYVIRTUALSCREEN),
- SWP_NOACTIVATE|SWP_NOSENDCHANGING);
- }
- break;
+ case WM_DISPLAYCHANGE:
+ {
+ SetWindowPos(hwnd, HWND_BOTTOM,
+ GetSystemMetrics(SM_XVIRTUALSCREEN), GetSystemMetrics(SM_YVIRTUALSCREEN),
+ GetSystemMetrics(SM_CXVIRTUALSCREEN), GetSystemMetrics(SM_CYVIRTUALSCREEN),
+ SWP_NOACTIVATE|SWP_NOSENDCHANGING);
+ }
+ break;
- case WM_DESTROY:
- case WM_NCDESTROY:
- PostQuitMessage(0);
- break;
+ case WM_DESTROY:
+ case WM_NCDESTROY:
+ PostQuitMessage(0);
+ break;
- case WM_WINDOWPOSCHANGING:
- ((WINDOWPOS*)lParam)->flags |= SWP_NOZORDER|SWP_NOACTIVATE;
- break;
+ case WM_WINDOWPOSCHANGING:
+ ((WINDOWPOS*)lParam)->flags |= SWP_NOZORDER|SWP_NOACTIVATE;
+ break;
- // If not handled just forward the message on
- default:
- if (!pDesktop->DoDefault(message, (UINT)wParam, (HWND)lParam))
- return DefWindowProc(hwnd, message, wParam, lParam);
+ // If not handled just forward the message on
+ default:
+ if (!pDesktop->DoDefault(message, (UINT)wParam, (HWND)lParam))
+ return DefWindowProc(hwnd, message, wParam, lParam);
}
- return 0;
+ return 0;
}
LRESULT Desktop::DoDefault(UINT message, UINT shellMessage, HWND task)
{
- WCHAR taskClass[MAX_LINE_LENGTH];
- WINDOWINFO wndInfo;
- wndInfo.cbSize = sizeof(WINDOWINFO);
+ WCHAR taskClass[MAX_LINE_LENGTH];
+ WINDOWINFO wndInfo;
+ wndInfo.cbSize = sizeof(WINDOWINFO);
- if (message == ShellMessage)
+ if (message == ShellMessage)
{
- switch (shellMessage)
+ switch (shellMessage)
{
- //A new "task" was created
- case HSHELL_WINDOWCREATED:
- RealGetWindowClass(task, taskClass, MAX_LINE_LENGTH);
- if (_wcsicmp(taskClass, TEXT("$$$Secure UAP Dummy Window Class For Interim Dialog")) == 0)
- ELSwitchToThisWindow(task);
- return 1;
+ //A new "task" was created
+ case HSHELL_WINDOWCREATED:
+ RealGetWindowClass(task, taskClass, MAX_LINE_LENGTH);
+ if (_wcsicmp(taskClass, TEXT("$$$Secure UAP Dummy Window Class For Interim Dialog")) == 0)
+ ELSwitchToThisWindow(task);
+ return 1;
}
}
- return 0;
+ return 0;
}
bool Desktop::SetBackgroundImage()
{
- HKEY key;
- WCHAR bgImage[MAX_PATH];
- DWORD type, bgImageSize = MAX_PATH;
+ HKEY key;
+ WCHAR bgImage[MAX_PATH];
+ DWORD type, bgImageSize = MAX_PATH;
+ bool ret = false;
- if (RegOpenKeyEx(HKEY_CURRENT_USER, TEXT("Control Panel\\Desktop\\"), 0, KEY_ALL_ACCESS,
- &key) != ERROR_SUCCESS)
+ if (RegOpenKeyEx(HKEY_CURRENT_USER, TEXT("Control Panel\\Desktop\\"), 0, KEY_ALL_ACCESS,
+ &key) == ERROR_SUCCESS)
{
- MessageBox(GetDesktopWindow(), TEXT("Could not open wallpaper registry key."),
- TEXT("emergeDesktop"), MB_OK | MB_ICONERROR | MB_TOPMOST);
- return false;
- }
+ if (RegQueryValueEx(key, TEXT("Wallpaper"), NULL, &type, (BYTE*)bgImage, &bgImageSize) ==
+ ERROR_SUCCESS)
+ {
+ SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, (void*)bgImage,
+ SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE);
+ ret = true;
+ }
- if (RegQueryValueEx(key, TEXT("Wallpaper"), NULL, &type, (BYTE*)bgImage, &bgImageSize) !=
- ERROR_SUCCESS)
- {
- MessageBox(GetDesktopWindow(), TEXT("Could not determine wallpaper filename."),
- TEXT("emergeDesktop"), MB_OK | MB_ICONERROR | MB_TOPMOST);
- RegCloseKey(key);
- return false;
+ RegCloseKey(key);
}
- SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, (void*)bgImage,
- SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE);
-
- RegCloseKey(key);
-
- return true;
+ return ret;
}
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