基本上就是标题所说的。我正在尝试制作自己的边框,就像Visual Studio 2015那样。一旦我的边框按照预期工作,我将添加一个子窗口,它将成为我的程序的主窗口,而边框将是父窗口。我在使其正常工作后还将尝试添加外发光。
但我现在遇到的问题是,当我拖动边框以使其变小时,右侧或底部会因我拖动鼠标的速度而变得更薄。
是否有更好的方法来解决这个问题,或者是否有简单的步骤可以采取来修复它?
但我现在遇到的问题是,当我拖动边框以使其变小时,右侧或底部会因我拖动鼠标的速度而变得更薄。
是否有更好的方法来解决这个问题,或者是否有简单的步骤可以采取来修复它?
#include <windows.h>
LPTSTR className_ = TEXT("BorderWindow");
BOOL WINAPI Init(HINSTANCE hInstance, INT cmdShow);
LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam);
INT WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLine, INT nCmdShow) {
MSG msg;
if (!Init(hInstance, nCmdShow)) {
return FALSE;
}
while (GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (INT)msg.wParam;
}
BOOL WINAPI Init(HINSTANCE hInstance, INT cmdShow)
{
WNDCLASSEX wcex{ 0 };
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = 0;
wcex.lpfnWndProc = (WNDPROC)WndProc;
wcex.hInstance = hInstance;
wcex.hIcon = NULL;
wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_HIGHLIGHT + 1);
wcex.lpszClassName = className_;
wcex.hIconSm = NULL;
if (!RegisterClassEx(&wcex)) {
return FALSE;
}
HWND hwnd_ = CreateWindow(className_, className_, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, 200, 500, nullptr, nullptr, hInstance, nullptr);
if (!hwnd_)
return FALSE;
ShowWindow(hwnd_, cmdShow);
UpdateWindow(hwnd_);
return TRUE;
}
void CreateHole(HWND hWnd)
{
HRGN WindowRgn;
HRGN HoleRgn;
//Get the window region:
RECT windowrect;
GetWindowRect(hWnd, &windowrect);
int width = windowrect.right - windowrect.left;
int height = windowrect.bottom - windowrect.top;
WindowRgn = CreateRectRgn(0, 0, width, height);
//Create the hole region:
HoleRgn = CreateRectRgn(2, 2, width - 2, height - 2);
CombineRgn(WindowRgn, WindowRgn, HoleRgn, RGN_DIFF);
SetWindowRgn(hWnd, WindowRgn, TRUE);
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
{
switch (message)
{
case WM_DESTROY:
PostQuitMessage(0);
return 0;
case WM_SIZE:
CreateHole(hwnd);
return 0;
case WM_NCCALCSIZE:
// remove default borders
return 0;
case WM_NCHITTEST:
{
RECT rc;
GetClientRect(hwnd, &rc);
POINT pt = { LOWORD(lparam), HIWORD(lparam) };
ScreenToClient(hwnd, &pt);
if (pt.y > (rc.bottom - 5))
{
if (pt.x > (rc.right - 5))
{
return HTBOTTOMRIGHT;
}
}
return HTBORDER;
}
}
return DefWindowProc(hwnd, message, wparam, lparam);
}
BorderWindow
实现?强烈建议删除任何抽象。 - IInspectable