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fix(win): stop console-window flash on launch (spawn daemon with CREATE_NO_WINDOW)

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The embedded daemon was launched with CREATE_NEW_CONSOLE + SW_HIDE. CREATE_NEW_CONSOLE
allocates a console window that flashes on screen before SW_HIDE hides it — visible as a
console-window flash every time the wallet starts dragonxd (i.e. on launch). Switch to
CREATE_NO_WINDOW (the console child gets no window at all, matching the xmrig launcher);
dragonxd logs to debug.log, not a console, so nothing is lost.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
DanS
2026-08-30 23:43:12 -05:00
parent 7e8b99a82b
commit a2f84be2d4
1 changed files with 6 additions and 3 deletions
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7
src/daemon/embedded_daemon.cpp
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@@ -689,7 +689,10 @@ bool EmbeddedDaemon::startProcess(const std::string& binary_path, const std::vec
debug_log_path_.c_str(), debug_log_offset_); debug_log_path_.c_str(), debug_log_offset_);
} }
// Launch daemon with CREATE_NEW_CONSOLE (hidden via SW_HIDE). // Launch daemon windowless. Use CREATE_NO_WINDOW (NOT CREATE_NEW_CONSOLE): CREATE_NEW_CONSOLE
// allocates a console window that briefly flashes on screen before SW_HIDE can hide it, which is
// visible as a console-window flash on wallet launch. CREATE_NO_WINDOW gives the console child no
// window at all (same approach as the xmrig launcher). The daemon logs to debug.log, not a console.
// The daemon binary must NOT be in the data directory (%APPDATA%\Hush\DRAGONX) // The daemon binary must NOT be in the data directory (%APPDATA%\Hush\DRAGONX)
// — it must be in <exe_dir>/dragonx/ to avoid conflicts with lock files and data. // — it must be in <exe_dir>/dragonx/ to avoid conflicts with lock files and data.
STARTUPINFOA si; STARTUPINFOA si;
@@ -707,7 +710,7 @@ bool EmbeddedDaemon::startProcess(const std::string& binary_path, const std::vec
NULL, NULL,
NULL, NULL,
FALSE, FALSE,
CREATE_NEW_CONSOLE, CREATE_NO_WINDOW,
NULL, NULL,
work_dir.c_str(), work_dir.c_str(),
&si, &si,