remove invert argument and use colors in terminal instead

terminal_color_windows.go

@@ -0,0 +1,39 @@
+/*
+ *    Copyright (c) 2018 Unrud<unrud@outlook.com>
+ *
+ *    This file is part of Remote-Touchpad.
+ *
+ *    Foobar is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    Remote-Touchpad is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package main
+
+import "syscall"
+
+const (
+	enableProcessedOuput            uint32 = 0x1
+	enableWrapAtEolOutput           uint32 = 0x2
+	enableVirtualTerminalProcessing uint32 = 0x4
+)
+
+var (
+	kernel32DLL        = syscall.NewLazyDLL("kernel32.dll")
+	setConsoleModeProc = kernel32DLL.NewProc("SetConsoleMode")
+)
+
+func terminalSupportsColor(fd uintptr) bool {
+	r, _, _ := setConsoleModeProc.Call(fd, uintptr(enableProcessedOuput|
+		enableWrapAtEolOutput|enableVirtualTerminalProcessing))
+	return r != 0
+}