graph(小熊) ,我上次的那个问题还没有全面解决哦。
sr388 2002-01-31 12:45:00 上次问题的50分,我已经给你了,在这个帖子中:http://www.csdn.net/expert/topic/502/502216.shtm
我现在还有两个问题,
一:按钮上的文字怎么显示不出来?
二:TAB键顺序为什么不正确?
源程序我又把它帖出来了,希望你帮忙帮到底,我把我所有的分都给你了,100分哦。
源程序如下:
#include <windows.h>
#define ID_BTN_COPY 0
#define ID_BTN_CUT 1
#define ID_BTN_PASTE 2
#define ID_EDIT 3
//---------------------------------------------------------------创建并初始化按键信息结构
struct {
TCHAR *szLabel ;
int iId ;
WNDPROC OldBtnProc ;
HWND Btnhwnd ;
} BtnInfo[3] ;
//----------------------------------------------------------------------------------------
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK BtnProc (HWND, UINT, WPARAM, LPARAM);
TCHAR szAppName[] = TEXT ("PopPad1") ;
//----------------------------------------------------------------------------------------
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
lstrcpy(BtnInfo[0].szLabel, TEXT("复制")) ;
lstrcpy(BtnInfo[1].szLabel, TEXT("剪切")) ;
lstrcpy(BtnInfo[2].szLabel, TEXT("粘贴")) ;
BtnInfo[0].iId = ID_BTN_COPY;
BtnInfo[1].iId = ID_BTN_CUT;
BtnInfo[2].iId = ID_BTN_PASTE;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, TEXT("Popedit"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static HWND hwndEdit ;
static int cxChar, cyChar, i ;
switch (message)
{
case WM_CREATE :
MessageBox(hwnd, BtnInfo[0].szLabel, TEXT("Waring!"), MB_ICONERROR) ;
cxChar = LOWORD (GetDialogBaseUnits()) ;
cyChar = HIWORD (GetDialogBaseUnits()) ;
hwndEdit = CreateWindow (TEXT ("edit"), NULL,
WS_CHILD | WS_VISIBLE | WS_VSCROLL |
WS_BORDER | ES_LEFT | ES_MULTILINE |
ES_AUTOVSCROLL,
0, 0, 0, 0, hwnd, (HMENU) ID_EDIT,
((LPCREATESTRUCT) lParam) -> hInstance, NULL) ;
for (i = 0; i < 3; i++)
{
BtnInfo[i].Btnhwnd = CreateWindow (TEXT("button"), BtnInfo[i].szLabel,
WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, 0,0,0,0,
hwnd, (HMENU)BtnInfo[i].iId,
((LPCREATESTRUCT) lParam) -> hInstance, NULL ) ;
BtnInfo[i].OldBtnProc = (WNDPROC) SetWindowLong(BtnInfo[i].Btnhwnd, GWL_WNDPROC,
(long) BtnProc) ;
}
return 0 ;
case WM_SETFOCUS :
SetFocus (hwndEdit) ;
return 0 ;
case WM_SIZE :
MoveWindow (hwndEdit, 0, 0, LOWORD (lParam), (HIWORD (lParam) - (7 * cyChar/4)), TRUE) ;
MoveWindow (BtnInfo[0].Btnhwnd, 0, (HIWORD (lParam) - (7 * cyChar/4)), 8 * cxChar, 7 * cyChar/4, TRUE) ;
MoveWindow (BtnInfo[1].Btnhwnd, LOWORD(lParam)/2 - 4 * cxChar, (HIWORD (lParam) - (7 * cyChar/4)), 8 * cxChar, 7 * cyChar/4, TRUE) ;
MoveWindow (BtnInfo[2].Btnhwnd, LOWORD(lParam) - 8 * cxChar, (HIWORD (lParam) - (7 * cyChar/4)), 8 * cxChar, 7 * cyChar/4, TRUE) ;
return 0 ;
case WM_COMMAND :
if (LOWORD (wParam) == ID_EDIT)
if (HIWORD (wParam) == EN_ERRSPACE ||
HIWORD (wParam) == EN_MAXTEXT)
MessageBox (hwnd, TEXT ("Edit control out of space."),
szAppName, MB_OK | MB_ICONSTOP) ;
return 0 ;
case WM_DESTROY :
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
LRESULT CALLBACK BtnProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
//获取发送消息的按钮控制ID
int id = GetWindowLong (hwnd, GWL_ID) ;
switch(message)
{
case WM_KEYDOWN :
if (wParam == VK_TAB)
id = GetKeyState(VK_SHIFT) < 0 ? max((id = id -1), 0 ) : min((id = id + 1), 2) ;
SetFocus(GetDlgItem( GetParent(hwnd), id)) ;
break ;
}
return CallWindowProc (BtnInfo[id].OldBtnProc, hwnd, message, wParam, lParam) ;
}