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improve:悬浮窗拦截

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CJKmkp
2026-05-02 15:16:59 +08:00
parent 81b291f2e6
commit f39d0c0f82
1 changed files with 22 additions and 24 deletions
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Ink Canvas/Helpers/FloatingWindowInterceptor.cs
+22 -24
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@@ -822,10 +822,6 @@ namespace Ink_Canvas.Helpers
var foundWindows = new List<(IntPtr hwnd, InterceptRule rule)>();
// Reset per-scan state
foreach (var rule in _interceptRules.Values)
rule.foundHwnd = false;
EnumWindows((hWnd, lParam) =>
{
EnumChildWindows(hWnd, (childHwnd, _) =>
@@ -840,13 +836,11 @@ namespace Ink_Canvas.Helpers
var interceptedCount = 0;
foreach (var (hWnd, rule) in foundWindows)
{
bool shouldAct = !_interceptedWindows.ContainsKey(hWnd) ||
(_interceptedWindows.ContainsKey(hWnd) && IsWindowVisible(hWnd));
if (shouldAct)
{
ApplyIntercept(hWnd, rule);
interceptedCount++;
}
// 已被隐藏且仍不可见：已拦截，无需重复操作
if (_interceptedWindows.ContainsKey(hWnd) && !IsWindowVisible(hWnd))
continue;
ApplyIntercept(hWnd, rule);
interceptedCount++;
}
if (interceptedCount == 0) _consecutiveEmptyScans++;
@@ -865,19 +859,21 @@ namespace Ink_Canvas.Helpers
private void CheckWindow(IntPtr hWnd, List<(IntPtr, InterceptRule)> found)
{
if (!IsWindow(hWnd) || !IsWindowVisible(hWnd)) return;
// 必须是合法窗口句柄，但不要求可见（被我们隐藏的窗口也需要被发现以维持拦截状态）
if (!IsWindow(hWnd)) return;
foreach (var rule in _interceptRules.Values)
{
if (!rule.IsEnabled || rule.foundHwnd) continue;
if (!rule.IsEnabled) continue;
if (MatchesRule(hWnd, rule))
{
rule.outHwnd = hWnd;
rule.foundHwnd = true;
found.Add((hWnd, rule));
break; // 一个窗口只匹配第一条命中的规则
}
}
}
<<<END_W2P:old_string:h4e39a0fd>>>
END_CALL
private bool MatchesRule(IntPtr hWnd, InterceptRule rule)
{
@@ -954,34 +950,36 @@ namespace Ink_Canvas.Helpers
int h = rect.Bottom - rect.Top;
if (w == 0 && h == 0) return false;
// DWM 返回物理像素，GetSystemMetrics 返回逻辑像素，需换算
var hdc = GetDC(IntPtr.Zero);
float scaleX = GetDeviceCaps(hdc, LOGPIXELSX) / 96.0f;
float scaleY = GetDeviceCaps(hdc, LOGPIXELSY) / 96.0f;
ReleaseDC(IntPtr.Zero, hdc);
int screenW = (int)(GetSystemMetrics(SM_CXSCREEN) * scaleX);
int screenH = (int)(GetSystemMetrics(SM_CYSCREEN) * scaleY);
const int tolerance = 2;
switch (rule.SizeMatchType)
{
case SizeMatchType.FullScreen:
if (w != GetSystemMetrics(SM_CXSCREEN) || h != GetSystemMetrics(SM_CYSCREEN))
if (Math.Abs(w - screenW) > tolerance || Math.Abs(h - screenH) > tolerance)
return false;
break;
case SizeMatchType.FullHeight:
if (h != GetSystemMetrics(SM_CYSCREEN)) return false;
if (Math.Abs(h - screenH) > tolerance) return false;
break;
case SizeMatchType.FullWidth:
if (w != GetSystemMetrics(SM_CXSCREEN)) return false;
if (Math.Abs(w - screenW) > tolerance) return false;
break;
case SizeMatchType.Exact:
if (w != rule.WindowWidth || h != rule.WindowHeight) return false;
break;
case SizeMatchType.DPIScale:
{
var hdc = GetDC(IntPtr.Zero);
float scaleX = GetDeviceCaps(hdc, LOGPIXELSX) / 96.0f;
float scaleY = GetDeviceCaps(hdc, LOGPIXELSY) / 96.0f;
ReleaseDC(IntPtr.Zero, hdc);
if (Math.Abs(rule.WindowWidth * scaleX - w) > tolerance ||
Math.Abs(rule.WindowHeight * scaleY - h) > tolerance)
return false;
break;
}
case SizeMatchType.Scale:
{
if (rule.WindowWidth == 0 || rule.WindowHeight == 0) return false;