[Código-GUI] Posicionar Cursor - JaAViEr

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[Código-GUI] Posicionar Cursor - JaAViEr

  • en: Julio 17, 2011, 05:40:06 am
Sigo con esto del entorno gráfico en C/C++ :P
Nos pide Coordenadas X e Y, luego nos posiciona el cursor en ellas:
Código: (cpp) [Seleccionar]
#include <windows.h>

/*  Declare Windows procedure  */
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);

/*  Make the class name into a global variable  */
char szClassName[ ] = "CodeBlocksWindowsApp";
HINSTANCE programa;
int WINAPI WinMain (HINSTANCE hThisInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR lpszArgument,
                     int nCmdShow)
{
    HWND hwnd;               /* This is the handle for our window */
    MSG messages;            /* Here messages to the application are saved */
    WNDCLASSEX wincl;        /* Data structure for the windowclass */
programa=hThisInstance;
    /* The Window structure */
    wincl.hInstance = hThisInstance;
    wincl.lpszClassName = szClassName;
    wincl.lpfnWndProc = WindowProcedure;      /* This function is called by windows */
    wincl.style = CS_DBLCLKS;                 /* Catch double-clicks */
    wincl.cbSize = sizeof (WNDCLASSEX);

    /* Use default icon and mouse-pointer */
    wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
    wincl.lpszMenuName = NULL;                 /* No menu */
    wincl.cbClsExtra = 0;                      /* No extra bytes after the window class */
    wincl.cbWndExtra = 0;                      /* structure or the window instance */
    /* Use Windows's default colour as the background of the window */
    wincl.hbrBackground = (HBRUSH) COLOR_BACKGROUND;

    /* Register the window class, and if it fails quit the program */
    if (!RegisterClassEx (&wincl))
        return 0;

    /* The class is registered, let's create the program*/
    hwnd = CreateWindowEx (
           0,                   /* Extended possibilites for variation */
           szClassName,         /* Classname */
           "CursorPos::Javier",       /* Title Text */
           WS_OVERLAPPED, /* default window */
           CW_USEDEFAULT,       /* Windows decides the position */
           CW_USEDEFAULT,       /* where the window ends up on the screen */
           300,                 /* The programs width */
           110,                 /* and height in pixels */
           HWND_DESKTOP,        /* The window is a child-window to desktop */
           NULL,                /* No menu */
           hThisInstance,       /* Program Instance handler */
           NULL                 /* No Window Creation data */
           );

    /* Make the window visible on the screen */
    ShowWindow (hwnd, nCmdShow);

    /* Run the message loop. It will run until GetMessage() returns 0 */
    while (GetMessage (&messages, NULL, 0, 0))
    {
        /* Translate virtual-key messages into character messages */
        TranslateMessage(&messages);
        /* Send message to WindowProcedure */
        DispatchMessage(&messages);
    }

    /* The program return-value is 0 - The value that PostQuitMessage() gave */
    return messages.wParam;
}


/*  This function is called by the Windows function DispatchMessage()  */

LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)                  /* handle the messages */
    {
        char x[5],y[50];
        case WM_CREATE:
        static HWND xpos = CreateWindowEx(WS_ACTIVECAPTION,"Edit", NULL, WS_CHILD|WS_VISIBLE|WS_TABSTOP, 31, 0, 190, 23, hwnd, 0, programa, NULL);
        static HWND xpostext = CreateWindowEx(WS_ACTIVECAPTION,"Static", "X:", WS_CHILD|WS_VISIBLE|WS_TABSTOP, 0, 0, 30, 23, hwnd, 0, programa, NULL);
        static HWND ypostext = CreateWindowEx(WS_ACTIVECAPTION,"Static", "Y:", WS_CHILD|WS_VISIBLE|WS_TABSTOP, 0, 26,30, 23, hwnd, 0, programa, NULL);
        static HWND ypos = CreateWindowEx(WS_ACTIVECAPTION,"Edit", NULL, WS_CHILD|WS_VISIBLE|WS_TABSTOP, 31, 25,190, 24,hwnd, 0, programa, NULL);
        static HWND button = CreateWindowEx(WS_ACTIVECAPTION,"BUTTON", "LISTO!", WS_CHILD|WS_VISIBLE|WS_TABSTOP, 0, 50, 190, 23, hwnd, 0, programa, NULL);
        break;
        case WM_COMMAND:
        if((HWND)lParam==button){
        GetWindowText(xpos,x,300);
        GetWindowText(ypos,y,300);
        if(atof(x)==NULL || atof(y)==NULL){
        MessageBox(hwnd, "Debes especificar Posiciones", "ERROR", MB_OK);
        break;
        }
        SetCursorPos(atof(x),atof(y));
        }
        break;
        case WM_DESTROY:
            PostQuitMessage (0);       /* send a WM_QUIT to the message queue */
            break;
        default:                      /* for messages that we don't deal with */
            return DefWindowProc (hwnd, message, wParam, lParam);
    }

    return 0;
}


Saludos.
« Última modificación: Febrero 08, 2014, 05:46:24 pm por Expermicid »