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Feature: Web remote desktop bidirectional text clipboard sync

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Add keyboard-shortcut (Ctrl+C / Ctrl+X / Ctrl+V) text clipboard transfer
between the browser and the remote desktop, reusing the clipboard protocol
that already exists in the native viewer (COMMAND_SCREEN_GET_CLIPBOARD=24,
COMMAND_SCREEN_SET_CLIPBOARD=25, TOKEN_CLIPBOARD_TEXT=118) so the client
needs no change.

Local -> remote: pressing Ctrl+V reads the browser clipboard, pushes it to
the remote clipboard (UTF-8 -> GBK, matching the client's CF_TEXT/ANSI
handling) and then synthesizes a remote Ctrl+V so the pasted text is the
newly delivered one.

Remote -> local: Ctrl+C or Ctrl+X is forwarded to the remote as usual and,
after a short delay, the remote clipboard is pulled back and written to the
browser clipboard for a later local Ctrl+V.

Both the MFC and Go servers get the same three clipboard signaling paths
(clipboard_set, clipboard_get, clipboard_text) so the shared single-page
frontend behaves identically on either backend.

Co-Authored-By: deepseek-v4-pro
This commit is contained in:
yuanyuanxianganddeepseek-v4-pro committed 2026-10-17 19:52:38 +02:00
1 parent e6b4fe3a85
commit 0c04f7516b
10 files changed
+290 -12
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server/go/protocol/commands.go
+12 -9
View File
@@ -103,15 +103,17 @@ func DecodeClientString(data []byte, capability, clientType string) string {
// Command tokens - matching the C++ definitions (common/commands.h).
const (
// Server -> Client commands
CommandActived byte = 0 // COMMAND_ACTIVED
CommandScreenSpy byte = 16 // COMMAND_SCREEN_SPY - start screen capture
CommandScreenControl byte = 20 // COMMAND_SCREEN_CONTROL - mouse/keyboard input (MSG64 batches)
CommandNext byte = 30 // COMMAND_NEXT - "control-side dialog is open, you may stream"
CommandShell byte = 40 // COMMAND_SHELL - ask device to open a shell sub-connection
CommandTerminalRsize byte = 81 // CMD_TERMINAL_RESIZE - [cmd:1][cols:2 LE][rows:2 LE]
CmdRestoreConsole byte = 82 // CMD_RESTORE_CONSOLE - RDP session "归位": switch back to the console session and restart capture
CommandBye byte = 204 // COMMAND_BYE - disconnect
CommandHeartbeat byte = 216 // CMD_HEARTBEAT_ACK
CommandActived byte = 0 // COMMAND_ACTIVED
CommandScreenSpy byte = 16 // COMMAND_SCREEN_SPY - start screen capture
CommandScreenControl byte = 20 // COMMAND_SCREEN_CONTROL - mouse/keyboard input (MSG64 batches)
CommandScreenGetClipboard byte = 24 // COMMAND_SCREEN_GET_CLIPBOARD - request remote clipboard (single byte)
CommandScreenSetClipboard byte = 25 // COMMAND_SCREEN_SET_CLIPBOARD - set remote clipboard [25][GBK text]
CommandNext byte = 30 // COMMAND_NEXT - "control-side dialog is open, you may stream"
CommandShell byte = 40 // COMMAND_SHELL - ask device to open a shell sub-connection
CommandTerminalRsize byte = 81 // CMD_TERMINAL_RESIZE - [cmd:1][cols:2 LE][rows:2 LE]
CmdRestoreConsole byte = 82 // CMD_RESTORE_CONSOLE - RDP session "归位": switch back to the console session and restart capture
CommandBye byte = 204 // COMMAND_BYE - disconnect
CommandHeartbeat byte = 216 // CMD_HEARTBEAT_ACK
// Client -> Server tokens
TokenAuth byte = 100 // TOKEN_AUTH - authorization required
@@ -120,6 +122,7 @@ const (
TokenBitmapInfo byte = 115 // TOKEN_BITMAPINFO - screen sub-connection header
TokenFirstScreen byte = 116 // TOKEN_FIRSTSCREEN - raw BGRA baseline frame (NOT H264)
TokenNextScreen byte = 117 // TOKEN_NEXTSCREEN - non-keyframe H264 (P-frame)
TokenClipboardText byte = 118 // TOKEN_CLIPBOARD_TEXT - remote clipboard text [118][UTF-8][NUL]
TokenShellStart byte = 128 // TOKEN_SHELL_START - legacy cmd-pipe shell sub-conn open
TokenKeyframe byte = 134 // TOKEN_KEYFRAME - H264 IDR (sent on GOP boundary)
TokenTerminalStart byte = 232 // TOKEN_TERMINAL_START - modern PTY shell sub-conn open