Attachment 14563 Details for Bug 14297 – win32 c code - spin button example

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win32 c code - spin button example

spin.cpp (text/plain), 4.34 KB, created by Felipe Heidrich

on 2004-09-15 17:09:38 EDT

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Filename:

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Creator: Felipe Heidrich

Created: 2004-09-15 17:09:38 EDT

Size: 4.34 KB

patch

obsolete

>
>// Windows Header Files:
>#include <windows.h>
>#include <commctrl.h>
>
>// C RunTime Header Files
>#include <stdlib.h>
>#include <malloc.h>
>#include <memory.h>
>#include <tchar.h>
>
>// Foward declarations of functions included in this code module:
>ATOM				MyRegisterClass(HINSTANCE hInstance);
>BOOL				InitInstance(HINSTANCE, int);
>LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);
>HWND hWnd, hEdit, hUpDown;
>
>int APIENTRY WinMain(HINSTANCE hInstance,
>                     HINSTANCE hPrevInstance,
>                     LPSTR     lpCmdLine,
>                     int       nCmdShow) {
>	MSG msg;
>
>//	InitCommonControls();
>	MyRegisterClass(hInstance);
>	InitInstance (hInstance, nCmdShow);
>
>	
>	// Main message loop:
>	while (GetMessage(&msg, NULL, 0, 0)) {
>		TranslateMessage(&msg);
>		DispatchMessage(&msg);
>	}
>	return msg.wParam;
>}
>
>void showLastError (LPTSTR lpszFunction) {
>	TCHAR szBuf[80]; 
>	LPVOID lpMsgBuf;
>	DWORD dw = GetLastError(); 
>
>	FormatMessage(
>		FORMAT_MESSAGE_ALLOCATE_BUFFER | 
>		FORMAT_MESSAGE_FROM_SYSTEM,
>		NULL,
>		dw,
>		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
>		(LPTSTR) &lpMsgBuf,
>		0, NULL );
>
>	wsprintf(szBuf, "%s failed with error %d %s",lpszFunction , dw, lpMsgBuf);
>	MessageBox(NULL, szBuf, "Error", MB_OK);
>	LocalFree(lpMsgBuf);
>	ExitProcess(dw);
>}
>
>ATOM MyRegisterClass(HINSTANCE hInstance) {
>	WNDCLASS wc;
>	ATOM atom;
>
>	wc.style			= CS_HREDRAW | CS_VREDRAW;
>	wc.lpfnWndProc		= (WNDPROC)WndProc;
>	wc.cbClsExtra		= 0;
>	wc.cbWndExtra		= 0;
>	wc.hInstance		= hInstance;
>	wc.hIcon			= LoadIcon(NULL, IDI_APPLICATION);
>	wc.hCursor			= LoadCursor(NULL, IDC_ARROW);
>	wc.hbrBackground	= (HBRUSH)(COLOR_WINDOW + 1);
>	wc.lpszMenuName		= NULL;
>	wc.lpszClassName	= "Spinner";
>
>	atom = RegisterClass(&wc);
>	if (!atom) showLastError("RegisterClass");
>	return atom;
>}
>
>BOOL InitInstance(HINSTANCE hInstance, int nCmdShow) {	
>	DWORD dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
>	DWORD dwStyle = WS_OVERLAPPEDWINDOW;
>
>	hWnd = CreateWindowEx(	dwExStyle,				// extented style
>							"Spinner",				// class
>							"Spinner",				// title
>							dwStyle,				// style
>							CW_USEDEFAULT, 0,		// x,y
>							CW_USEDEFAULT, 0,		// width, height
>							NULL,					// parent
>							NULL,					// menu
>							hInstance,				// instance
>							NULL);					// nothing to pass to WM_CREATE
>
>	if (!hWnd) showLastError("Init Window");
>
>	dwExStyle = WS_EX_CLIENTEDGE;
>	dwStyle  = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | ES_NUMBER | ES_LEFT ;
>	hEdit = CreateWindowEx(	dwExStyle,				// extented style
>							"EDIT",					// class
>							0,					// title
>							dwStyle,				// style
>							10, 10,					// x,y
>							100, 28,				// width, height
>							hWnd,					// parent
>							NULL,					// menu
>							hInstance,				// instance
>							NULL);					// nothing to pass to WM_CREATE
>
>//	dwExStyle = 0;
>//	dwStyle  = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS;
>//	hUpDown = CreateWindowEx(	dwExStyle,				// extented style
>//							"UPDOWN",				// class
>//							NULL,					// title
>//							dwStyle,				// style
>//							110, 10,				// x,y
>//							20, 28,					// width, height
>//							hWnd,					// parent
>//							NULL,					// menu
>//							hInstance,				// instance
>//							NULL);					// nothing to pass to WM_CREATE
>
>	hUpDown = CreateUpDownControl(WS_CHILD | WS_BORDER | WS_VISIBLE,
>							110, 10, 20, 28,		// x y width height
>							hWnd,					// parent
>							0,						// id
>							hInstance,				// instance
>							hEdit,					// buddy
>							10,						// upper limit
>							0,						// lower limit
>							0);						// pos
>
>
>	SetWindowText (hEdit, "0");
>	ShowWindow(hWnd, nCmdShow);
>	return TRUE;
>}
>
>LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
>
>	switch (message) {
>		case WM_NOTIFY: {
>			LPNMHDR pnmh = (LPNMHDR) lParam;
>			if (pnmh->code == UDN_DELTAPOS) {
>				LPNMUPDOWN lpnmud = (LPNMUPDOWN) lParam;				
>				int value = lpnmud->iPos + lpnmud->iDelta;
>				int pLow, pHigh;
>				SendMessage (hUpDown, UDM_GETRANGE32, (WPARAM) (LPINT) &pLow, (LPARAM) (LPINT) &pHigh);
>				if (pLow<=value&&value<=pHigh) {
>					TCHAR szBuf[80]; 
>					wsprintf(szBuf, "%d", value);
>					SetWindowText (hEdit, szBuf);
>				}				
>			}
>			break;
>		}
>		case WM_DESTROY:
>			PostQuitMessage(0);
>			break;
>		default:
>			return DefWindowProc(hWnd, message, wParam, lParam);
>   }
>   return 0;
>}
>

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Attachments on bug 14297: 14407 | 14561 | 14562 | 14563