如果通过鼠标拖动在客户区上画按钮？,Windows程序设计,编程语言专区,鱼C论坛

拈花小仙 发表于 2014-10-27 15:43:48

如果通过鼠标拖动在客户区上画按钮？

本帖最后由拈花小仙于 2014-10-27 15:44 编辑

#include <Windows.h>
#include <iostream>

HINSTANCE g_hInst = NULL;
HANDLE g_hStdOut = NULL;
int                g_nXPos = 0;
int    g_nYPos = 0;
int                g_nX1Rect = 0;
int                g_nY1Rect = 0;
int    g_nX2Rect = 0;
int    g_nY2Rect = 0;

void PrintLog( LPSTR pszLog )
{
   WriteConsole( g_hStdOut,
            pszLog, strlen(pszLog), NULL, NULL );
}

void OnPaint( HWND hWnd, UINT nMsg,
      WPARAM wParam, LPARAM lParam )
{
   PAINTSTRUCT ps = { 0 };
   HDC hDC = BeginPaint( hWnd, &ps );

   CHAR szText[] = "Hello Mouse";
   TextOut( hDC, g_nXPos, g_nYPos, szText, strlen(szText) );

   Rectangle( hDC, g_nX1Rect, g_nY1Rect,g_nX2Rect, g_nY2Rect );

//CreateWindowEx(0,TEXT("BUTTON"),TEXT("button"),WS_CHILD|WS_VISIBLE,g_nX1Rect,g_nY1Rect,
//g_nX2Rect,g_nY2Rect,hWnd,NULL,g_hInst,NULL); </p><p>//现在能矩形，如何在客户名画按钮呢？

   EndPaint( hWnd, &ps );
}

LRESULT CALLBACK WndProc( HWND hWnd,
                                             UINT nMsg,
                                             WPARAM wParam,
                                             LPARAM lParam )
{
   switch( nMsg )
   {
   case WM_PAINT:
            OnPaint( hWnd, nMsg, wParam, lParam );
            break;
   case WM_LBUTTONDOWN:
            {
                     PrintLog( "WM_LBUTTONDOWN\n" );
                     g_nX1Rect = LOWORD( lParam );
                     g_nY1Rect = HIWORD( lParam );
            }
            break;
   case WM_LBUTTONUP:
            {
                     PrintLog( "WM_LBUTTONUP\n" );
                     g_nX2Rect = LOWORD( lParam );
                     g_nY2Rect = HIWORD( lParam );
                     InvalidateRect( hWnd, NULL, TRUE );
            }
            break;
   case WM_RBUTTONDOWN:
            PrintLog( "WM_RBUTTONDOWN\n" );
            break;
   case WM_RBUTTONUP:
            PrintLog( "WM_RBUTTONUP\n" );
            break;
   case WM_MOUSEMOVE:
            {
                     int nX = LOWORD(lParam);
                     int nY = HIWORD(lParam);
                     POINT ptScreen = { 0 };
                     ptScreen.x = nX;
                     ptScreen.y = nY;
                     ClientToScreen( hWnd, &ptScreen );

                     CHAR szText = { 0 };
                     sprintf( szText,
                           "WM_MOUSEMOVE: X=%d(%d),Y=%d(%d)\n",
                           nX, ptScreen.x, nY, ptScreen.y );
                     PrintLog( szText );
                     if( wParam & MK_CONTROL )
                     {
                           PrintLog( "WM_MOUSEMOVE: MK_CONTROL\n" );
                     }
                     if( wParam & MK_LBUTTON )
                     {
                           PrintLog( "WM_MOUSEMOVE: MK_LBUTTON\n" );
                     }

                     g_nXPos = LOWORD(lParam);
                     g_nYPos = HIWORD(lParam);
                     InvalidateRect( hWnd, NULL, TRUE );
            }
            break;
   case WM_LBUTTONDBLCLK:
            PrintLog( "WM_LBUTTONDBLCLK\n" );
            break;
   case WM_RBUTTONDBLCLK:
            PrintLog( "WM_RBUTTONDBLCLK\n" );
            break;
   case WM_MOUSEWHEEL:
            {
                     short nDetla = HIWORD( wParam );
                     int nX = LOWORD( lParam );
                     int nY = HIWORD( lParam );
                     CHAR szText = { 0 };
                     sprintf( szText,
                           "WM_MOUSEWHEEL: Detla=%d, X=%d,Y=%d\n",
                           nDetla, nX, nY );
                     PrintLog( szText );
            }
            break;
   case WM_DESTROY:
            PostQuitMessage( 0 );
            break;
   }
   return DefWindowProc( hWnd, nMsg,
            wParam, lParam );
}

BOOL RegisterWnd( LPSTR pszClassName )
{
   WNDCLASSEX wce = { 0 };
   wce.cbSize                = sizeof( wce );
   wce.cbClsExtra       = 0;
   wce.cbWndExtra = 0;
   wce.hbrBackground = HBRUSH(COLOR_WINDOW);
   wce.hCursor                = NULL;
   wce.hIcon                = NULL;
   wce.hIconSm    = NULL;
   wce.hInstance       = g_hInst;
   wce.lpfnWndProc = WndProc;
   wce.lpszClassName = pszClassName;
   wce.lpszMenuName= NULL;
   wce.style       = CS_HREDRAW|CS_VREDRAW|CS_DBLCLKS;
   ATOM nAtom = RegisterClassEx( &wce );
   if( 0 == nAtom )
   {
            return FALSE;
   }
   return TRUE;
}

HWND CreateWnd( LPSTR pszClassName )
{
   HWND hWnd = CreateWindowEx( 0,
            pszClassName, "MyWnd",
            WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,
            CW_USEDEFAULT, CW_USEDEFAULT,
            CW_USEDEFAULT, NULL, NULL,
            g_hInst, NULL );
   return hWnd;
}

void DisplayWnd( HWND hWnd )
{
   ShowWindow( hWnd, SW_SHOW );
   UpdateWindow( hWnd );
}

void Message( )
{
   MSG msg = { 0 };
   while( GetMessage( &msg, NULL, 0, 0 ) )
   {
            TranslateMessage( &msg );
            DispatchMessage( &msg );
   }
}

void NewConsole( )
{
   AllocConsole( );
   g_hStdOut =
            GetStdHandle( STD_OUTPUT_HANDLE );
}

int APIENTRY WinMain(HINSTANCE hInstance,
                  HINSTANCE hPrevInstance,
                  LPSTR lpCmdLine,
                  int    nCmdShow)
{
   NewConsole( );
      g_hInst = hInstance;
   RegisterWnd( "MyWnd" );
   HWND hWnd = CreateWnd( "MyWnd" );
   DisplayWnd( hWnd );
   Message( );

   return 0;
}

仰望天上的光 发表于 2014-10-27 15:43:49

#include <Windows.h>

#include <iostream>

HINSTANCE g_hInst = NULL;

HANDLE g_hStdOut = NULL;

HWND    g_hBtn = NULL;//按钮句柄

int                g_nXPos = 0;

int    g_nYPos = 0;

int                g_nX1Rect = 0;

int                g_nY1Rect = 0;

int    g_nX2Rect = 0;

int    g_nY2Rect = 0;

void PrintLog( LPSTR pszLog )

{

   WriteConsole( g_hStdOut,

            pszLog, strlen(pszLog), NULL, NULL );

}

void OnPaint( HWND hWnd, UINT nMsg,

      WPARAM wParam, LPARAM lParam )

{

   PAINTSTRUCT ps = { 0 };

   HDC hDC = BeginPaint( hWnd, &ps );

   //CHAR szText[] = "Hello Mouse";

   //TextOut( hDC, g_nXPos, g_nYPos, szText, strlen(szText) );

   //Rectangle( hDC, g_nX1Rect, g_nY1Rect,g_nX2Rect, g_nY2Rect );

//CreateWindowEx(0,TEXT("BUTTON"),TEXT("button"),WS_CHILD|WS_VISIBLE,g_nX1Rect,g_nY1Rect,

//g_nX2Rect,g_nY2Rect,hWnd,NULL,g_hInst,NULL); </p><p>//现在能矩形，如何在客户名画按钮呢？
MoveWindow( g_hBtn, g_nX1Rect, g_nY1Rect, g_nX2Rect - g_nX1Rect, g_nY2Rect - g_nY1Rect, TRUE );

   EndPaint( hWnd, &ps );

}

LRESULT CALLBACK WndProc( HWND hWnd,

                                             UINT nMsg,

                                             WPARAM wParam,

                                             LPARAM lParam )

{

   switch( nMsg )

   {
//在这里创建按钮
case WM_CREATE:
g_hBtn = CreateWindowEx(0,TEXT("BUTTON"),TEXT("button"),WS_CHILD|WS_VISIBLE,g_nX1Rect,g_nY1Rect,
g_nX2Rect,g_nY2Rect,hWnd,NULL,g_hInst,NULL);
break;

   case WM_PAINT:

            OnPaint( hWnd, nMsg, wParam, lParam );

            break;

   case WM_LBUTTONDOWN:

            {

                     PrintLog( "WM_LBUTTONDOWN\n" );

                     g_nX1Rect = LOWORD( lParam );

                     g_nY1Rect = HIWORD( lParam );

            }

            break;

   case WM_LBUTTONUP:

            {

                     PrintLog( "WM_LBUTTONUP\n" );

                     g_nX2Rect = LOWORD( lParam );

                     g_nY2Rect = HIWORD( lParam );

                     InvalidateRect( hWnd, NULL, TRUE );

            }

            break;

   case WM_RBUTTONDOWN:

            PrintLog( "WM_RBUTTONDOWN\n" );

            break;

   case WM_RBUTTONUP:

            PrintLog( "WM_RBUTTONUP\n" );

            break;

   case WM_MOUSEMOVE:

            {

                     int nX = LOWORD(lParam);

                     int nY = HIWORD(lParam);

                     POINT ptScreen = { 0 };

                     ptScreen.x = nX;

                     ptScreen.y = nY;

                     ClientToScreen( hWnd, &ptScreen );

                     CHAR szText = { 0 };

                     sprintf( szText,
                           "WM_MOUSEMOVE: X=%d(%d),Y=%d(%d)\n",

                           nX, ptScreen.x, nY, ptScreen.y );

                     PrintLog( szText );

                     if( wParam & MK_CONTROL )

                     {

                           PrintLog( "WM_MOUSEMOVE: MK_CONTROL\n" );

                     }

                     if( wParam & MK_LBUTTON )

                     {

                           PrintLog( "WM_MOUSEMOVE: MK_LBUTTON\n" );

                     }

                     g_nXPos = LOWORD(lParam);

                     g_nYPos = HIWORD(lParam);

                     InvalidateRect( hWnd, NULL, TRUE );

            }

            break;

   case WM_LBUTTONDBLCLK:

            PrintLog( "WM_LBUTTONDBLCLK\n" );

            break;

   case WM_RBUTTONDBLCLK:

            PrintLog( "WM_RBUTTONDBLCLK\n" );

            break;

   case WM_MOUSEWHEEL:

            {

                     short nDetla = HIWORD( wParam );

                     int nX = LOWORD( lParam );

                     int nY = HIWORD( lParam );

                     CHAR szText = { 0 };

                     sprintf( szText,
                           "WM_MOUSEWHEEL: Detla=%d, X=%d,Y=%d\n",

                           nDetla, nX, nY );

                     PrintLog( szText );

            }

            break;

   case WM_DESTROY:

            PostQuitMessage( 0 );

            break;

   }

   return DefWindowProc( hWnd, nMsg,

            wParam, lParam );

}

BOOL RegisterWnd( LPSTR pszClassName )

{

   WNDCLASSEX wce = { 0 };

   wce.cbSize                = sizeof( wce );

   wce.cbClsExtra       = 0;

   wce.cbWndExtra = 0;

   wce.hbrBackground = HBRUSH(COLOR_WINDOW);

   wce.hCursor                = NULL;

   wce.hIcon                = NULL;

   wce.hIconSm    = NULL;

   wce.hInstance       = g_hInst;

   wce.lpfnWndProc = WndProc;

   wce.lpszClassName = pszClassName;

   wce.lpszMenuName= NULL;

   wce.style       = CS_HREDRAW|CS_VREDRAW|CS_DBLCLKS;

   ATOM nAtom = RegisterClassEx( &wce );

   if( 0 == nAtom )

   {

            return FALSE;

   }

   return TRUE;

}

HWND CreateWnd( LPSTR pszClassName )

{

   HWND hWnd = CreateWindowEx( 0,

            pszClassName, "MyWnd",
            WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,

            CW_USEDEFAULT, CW_USEDEFAULT,
            CW_USEDEFAULT, NULL, NULL,
            g_hInst, NULL );

   return hWnd;

}

void DisplayWnd( HWND hWnd )

{

   ShowWindow( hWnd, SW_SHOW );

   UpdateWindow( hWnd );

}

void Message( )

{

   MSG msg = { 0 };

   while( GetMessage( &msg, NULL, 0, 0 ) )

   {

            TranslateMessage( &msg );

            DispatchMessage( &msg );

   }

}

void NewConsole( )

{

   AllocConsole( );

   g_hStdOut =
            GetStdHandle( STD_OUTPUT_HANDLE );

}

int APIENTRY WinMain(HINSTANCE hInstance,

                  HINSTANCE hPrevInstance,

                  LPSTR lpCmdLine,

                  int    nCmdShow)

{

   NewConsole( );

      g_hInst = hInstance;

   RegisterWnd( "MyWnd" );

   HWND hWnd = CreateWnd( "MyWnd" );

   DisplayWnd( hWnd );

   Message( );

   return 0;

}

流行语 发表于 2014-10-27 17:49:48

这是我从书上抄的例子，不知道对你有没有帮助

拈花小仙 发表于 2014-10-27 19:37:12

流行语发表于 2014-10-27 17:49
这是我从书上抄的例子，不知道对你有没有帮助

{:7_139:}语语这个解决我另外一个问题哈，不过我想画的是按钮，BUTTON，就像那些集成的IDE一样，可以靠拖动画出按钮来。帮帮我吧~

仰望天上的光 发表于 2014-10-27 19:41:20

就是在WM_CREATE中创建按钮,在原来画矩形的地方移动按钮

流行语 发表于 2014-10-28 08:02:53

我现在还没有思路啊，让我想想！

大个的糖果 发表于 2014-10-30 15:45:46

流行语 发表于 2014-10-30 21:20:03

拈花小仙发表于 2014-10-27 19:37
语语这个解决我另外一个问题哈，不过我想画的是按钮，BUTTON，就像那些集成的IDE一样，可以靠拖 ...

我没有做出来啊:cry

拈花小仙 发表于 2014-10-30 21:26:44

流行语发表于 2014-10-30 21:20
我没有做出来啊

{:7_136:}语语~

流行语 发表于 2014-10-30 21:28:06

拈花小仙发表于 2014-10-30 21:26
语语~

不好意思啊！

拈花小仙 发表于 2014-10-30 21:33:54

流行语发表于 2014-10-30 21:28
不好意思啊！

我才不好意思呢，你帮我这么多，可是画的不是画钮，要不早采纳啦

lyjztz 发表于 2014-11-27 11:26:14

学习学习

智商是硬伤 发表于 2015-9-2 09:25:44

{:7_146:}

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如果通过鼠标拖动在客户区上画按钮？