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RDP-Tab unter Windows: mstsc als owned window statt Kindfenster (war hinter DirectComposition unsichtbar); dynamische Auflösung als Standard, Skalieren pro Host wählbar

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
MrBlake
2026-09-25 15:34:24 +02:00
co-authored by Claude Opus 5.5
parent d49e7d3654
commit 8b708c338b
4 changed files with 47 additions and 24 deletions
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src/main/rdp-embed.js
+35 -19
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@@ -8,23 +8,27 @@ let koffi = null;
try { koffi = require('koffi'); } catch { /* ohne koffi nur externe Fenster */ }
// ------------------------------------------------------------------ Windows
// Chromium zeichnet per DirectComposition über alle nativen Kindfenster – ein per SetParent eingehängtes
// mstsc bliebe unsichtbar (schwarz). Stattdessen wird das Sitzungsfenster rahmenlos und als "owned window"
// von MrTerm exakt über den Tab gelegt: Es liegt immer über MrTerm, minimiert sich mit und hat keinen Taskleisten-Eintrag.
function winApi() {
if (winApi.api) return winApi.api;
const u = koffi.load('user32.dll');
const EnumProc = koffi.proto('bool __stdcall MrTermEnumProc(intptr hwnd, intptr lParam)');
const POINT = koffi.struct('MrTermPOINT', { x: 'int', y: 'int' });
winApi.api = {
EnumWindows: u.func('bool __stdcall EnumWindows(MrTermEnumProc *cb, intptr lParam)'),
GetWindowThreadProcessId: u.func('uint32 __stdcall GetWindowThreadProcessId(intptr hwnd, _Out_ uint32 *pid)'),
GetClassNameW: u.func('int __stdcall GetClassNameW(intptr hwnd, void *buf, int max)'),
IsWindowVisible: u.func('bool __stdcall IsWindowVisible(intptr hwnd)'),
IsWindow: u.func('bool __stdcall IsWindow(intptr hwnd)'),
SetParent: u.func('intptr __stdcall SetParent(intptr child, intptr parent)'),
GetWindowLongPtrW: u.func('intptr __stdcall GetWindowLongPtrW(intptr hwnd, int idx)'),
SetWindowLongPtrW: u.func('intptr __stdcall SetWindowLongPtrW(intptr hwnd, int idx, intptr value)'),
SetWindowPos: u.func('bool __stdcall SetWindowPos(intptr hwnd, intptr after, int x, int y, int cx, int cy, uint32 flags)'),
ShowWindow: u.func('bool __stdcall ShowWindow(intptr hwnd, int cmd)'),
SetForegroundWindow: u.func('bool __stdcall SetForegroundWindow(intptr hwnd)'),
SetFocus: u.func('intptr __stdcall SetFocus(intptr hwnd)'),
ClientToScreen: u.func('bool __stdcall ClientToScreen(intptr hwnd, _Inout_ MrTermPOINT *pt)'),
POINT,
};
return winApi.api;
}
@@ -45,13 +49,16 @@ function findWindowsOfPid(pid, cls) {
return out;
}
const GWL_STYLE = -16, GWL_EXSTYLE = -20;
const GWL_STYLE = -16, GWL_EXSTYLE = -20, GWLP_HWNDPARENT = -8;
const WS_CHILD = 0x40000000, WS_POPUP = 0x80000000, WS_CAPTION = 0x00c00000, WS_THICKFRAME = 0x00040000;
const WS_SYSMENU = 0x00080000, WS_MINIMIZEBOX = 0x00020000, WS_MAXIMIZEBOX = 0x00010000, WS_EX_APPWINDOW = 0x00040000;
const WS_SYSMENU = 0x00080000, WS_MINIMIZEBOX = 0x00020000, WS_MAXIMIZEBOX = 0x00010000;
const WS_EX_APPWINDOW = 0x00040000, WS_EX_TOOLWINDOW = 0x00000080;
const FRAME = WS_CAPTION | WS_THICKFRAME | WS_SYSMENU | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
const SWP_NOZORDER = 0x4, SWP_NOACTIVATE = 0x10, SWP_FRAMECHANGED = 0x20, SWP_SHOWWINDOW = 0x40;
const SW_HIDE = 0, SW_SHOWNOACTIVATE = 4, SW_SHOW = 5;
class WinEmbed {
constructor(parentHandle) { this.parent = Number(parentHandle.readBigUInt64LE(0)); this.cls = 'TscShellContainerClass'; }
constructor(parentHandle) { this.parent = Number(parentHandle.readBigUInt64LE(0)); this.cls = 'TscShellContainerClass'; this.visible = true; }
start({ rdpFile }) {
this.proc = spawn('mstsc.exe', rdpFile ? [rdpFile] : [], { stdio: 'ignore' });
@@ -66,12 +73,11 @@ class WinEmbed {
const [hwnd] = findWindowsOfPid(this.proc.pid, this.cls);
if (hwnd) {
const api = winApi();
let style = Number(api.GetWindowLongPtrW(hwnd, GWL_STYLE)) >>> 0;
style = ((style & ~(WS_POPUP | WS_CAPTION | WS_THICKFRAME | WS_SYSMENU | WS_MINIMIZEBOX | WS_MAXIMIZEBOX)) | WS_CHILD) >>> 0;
const style = (((Number(api.GetWindowLongPtrW(hwnd, GWL_STYLE)) >>> 0) & ~(FRAME | WS_CHILD)) | WS_POPUP) >>> 0;
api.SetWindowLongPtrW(hwnd, GWL_STYLE, style);
const ex = (Number(api.GetWindowLongPtrW(hwnd, GWL_EXSTYLE)) >>> 0) & ~WS_EX_APPWINDOW;
api.SetWindowLongPtrW(hwnd, GWL_EXSTYLE, ex >>> 0);
api.SetParent(hwnd, this.parent);
const ex = ((((Number(api.GetWindowLongPtrW(hwnd, GWL_EXSTYLE)) >>> 0) & ~WS_EX_APPWINDOW) | WS_EX_TOOLWINDOW) >>> 0);
api.SetWindowLongPtrW(hwnd, GWL_EXSTYLE, ex);
api.SetWindowLongPtrW(hwnd, GWLP_HWNDPARENT, this.parent); // Besitzer = MrTerm
this.hwnd = hwnd;
this.setBounds(bounds);
return true;
@@ -81,21 +87,30 @@ class WinEmbed {
return false;
}
// b: physische Pixel relativ zum Client-Bereich von MrTerm -> Bildschirmkoordinaten
setBounds(b) {
if (!this.hwnd) return;
this.bounds = b;
winApi().SetWindowPos(this.hwnd, 0, b.x, b.y, Math.max(50, b.width), Math.max(50, b.height), SWP_NOZORDER | SWP_FRAMECHANGED | SWP_SHOWWINDOW);
if (b) this.bounds = b;
if (!this.hwnd || !this.bounds) return;
const api = winApi();
const pt = { x: this.bounds.x, y: this.bounds.y };
api.ClientToScreen(this.parent, pt);
api.SetWindowPos(this.hwnd, 0, pt.x, pt.y, Math.max(50, this.bounds.width), Math.max(50, this.bounds.height),
SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED | (this.visible ? SWP_SHOWWINDOW : 0));
}
show() { if (this.hwnd) { winApi().ShowWindow(this.hwnd, 5); if (this.bounds) this.setBounds(this.bounds); } }
hide() { if (this.hwnd) winApi().ShowWindow(this.hwnd, 0); }
focus() { if (this.hwnd) { winApi().SetFocus(this.hwnd); } }
reposition() { this.setBounds(); }
show() { this.visible = true; if (this.hwnd) { winApi().ShowWindow(this.hwnd, SW_SHOWNOACTIVATE); this.setBounds(); } }
hide() { this.visible = false; if (this.hwnd) winApi().ShowWindow(this.hwnd, SW_HIDE); }
focus() { if (this.hwnd && this.visible) winApi().SetForegroundWindow(this.hwnd); }
// Aus MrTerm lösen und als normales Fenster weiterlaufen lassen
detach() {
if (!this.hwnd) return;
const api = winApi();
api.SetParent(this.hwnd, 0);
const style = ((Number(api.GetWindowLongPtrW(this.hwnd, GWL_STYLE)) >>> 0) & ~WS_CHILD) | WS_CAPTION | WS_THICKFRAME | WS_SYSMENU | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
api.SetWindowLongPtrW(this.hwnd, GWL_STYLE, style >>> 0);
api.SetWindowLongPtrW(this.hwnd, GWLP_HWNDPARENT, 0);
const style = ((((Number(api.GetWindowLongPtrW(this.hwnd, GWL_STYLE)) >>> 0) & ~WS_POPUP) | FRAME) >>> 0);
api.SetWindowLongPtrW(this.hwnd, GWL_STYLE, style);
const ex = ((((Number(api.GetWindowLongPtrW(this.hwnd, GWL_EXSTYLE)) >>> 0) & ~WS_EX_TOOLWINDOW) | WS_EX_APPWINDOW) >>> 0);
api.SetWindowLongPtrW(this.hwnd, GWL_EXSTYLE, ex);
api.ShowWindow(this.hwnd, SW_SHOW);
api.SetWindowPos(this.hwnd, 0, 80, 80, this.bounds?.width || 1280, this.bounds?.height || 800, SWP_NOZORDER | SWP_FRAMECHANGED | SWP_SHOWWINDOW);
this.hwnd = null;
}
@@ -174,6 +189,7 @@ class LinuxEmbed {
show() { if (!this.xwin) return; const X = x11(); X.XMapWindow(X.display, this.xwin); if (this.bounds) this.setBounds(this.bounds); X.XFlush(X.display); }
hide() { if (!this.xwin) return; const X = x11(); X.XUnmapWindow(X.display, this.xwin); X.XFlush(X.display); }
focus() { if (!this.xwin) return; const X = x11(); X.XSetInputFocus(X.display, this.xwin, 2, 0); X.XFlush(X.display); }
reposition() {}
detach() { /* FreeRDP-Fenster lassen sich nicht sauber herauslösen – Sitzung stattdessen extern neu starten */ }
kill() { try { this.proc?.kill(); } catch {} }
}