Wine >> C/C++

Mouse Event

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參考資訊：
1. win32
2. petzold
3. tutorial
4. examples_win32

WM_MOUSEMOVE

fwKeys = wParam;       // key flags
xPos = LOWORD(lParam); // horizontal position of cursor
yPos = HIWORD(lParam); // vertical position of cursor

main.c

#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <windows.h>

HWND hWin = NULL;
WNDPROC defWndProc = NULL;

LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    char buf[255] = {0};

    switch (uMsg) {
    case WM_MOUSEMOVE:
        sprintf(buf, "%d-%d", LOWORD(lParam), HIWORD(lParam));
        SetWindowText(hWnd, buf);
        return 0;
    case WM_CLOSE:
        DestroyWindow(hWnd);
        return 0;
    case WM_DESTROY:
        PostQuitMessage(0);
        return 0;
    }
    return CallWindowProc(defWndProc, hWnd, uMsg, wParam, lParam);
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    hWin = CreateWindow(WC_DIALOG, "main", 
        WS_OVERLAPPEDWINDOW | WS_VISIBLE, 0, 0, 300, 300, NULL, NULL, NULL, NULL);
    defWndProc = (WNDPROC)SetWindowLongPtr(hWin, GWLP_WNDPROC, (long int)WndProc);

    MSG msg = {0};
    while (GetMessage(&msg, NULL, 0, 0)) {
        DispatchMessage(&msg);
    }
    ExitProcess(0);
    return 0;
}

Line 14~16：將滑鼠座標顯示在視窗標題

編譯、執行

$ winegcc main.c -o main
$ wine ./main.exe

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