如果通过鼠标拖动在客户区上画按钮？

拈花小仙 · 发表于 2014-10-27 15:43:48

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[260] = { 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[260] = { 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;
}

复制代码

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[260] = { 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[260] = { 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;
}

复制代码

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

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

提示: 作者被禁止或删除内容自动屏蔽

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

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

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如果通过鼠标拖动在客户区上画按钮？

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