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package moe.yuuta.desktop
import kotlinx.cinterop.*
import libui.ktx.MsgBoxError
import libui.ktx.appWindow
import libui.ktx.hbox
import libui.ktx.tableview
import platform.windows.*
const val FLAG = DESKTOP_READOBJECTS or
DESKTOP_CREATEWINDOW or
DESKTOP_CREATEMENU or
DESKTOP_HOOKCONTROL or
DESKTOP_JOURNALRECORD or
DESKTOP_JOURNALPLAYBACK or
DESKTOP_ENUMERATE or
DESKTOP_WRITEOBJECTS or
DESKTOP_SWITCHDESKTOP
private val mDesktops = mutableListOf<String>()
@Suppress("unused")
fun main(args: Array<String>?) {
try {
appMain()
} catch (e: Throwable) {
MessageBoxA(null,
"App crashed unexpectedly.\n" +
"Exception: $e\n" +
"System error code: ${GetLastError()}",
"Secure Desktop",
(MB_OK or MB_ICONERROR).convert())
}
}
fun appMain() = appWindow(
title = "Desktops",
width = 320,
height = 100
) {
refresh()
if (!mDesktops.contains("CustomDesktop")) {
WinApi.create("CustomDesktop", FLAG)
mDesktops.add("CustomDesktop")
}
hbox {
tableview(mDesktops) {
column("Name") {
label {
data[it]
}
}
column("Action") {
button("Switch to") {
val desk = WinApi.open(FLAG, data[it])
if (desk == null) {
MsgBoxError("Cannot open the desktop",
"The system returns an empty desktop.\n" +
"Error: ${GetLastError()}")
return@button
}
// TODO: Run an instance in a desktop only
val pathBuffer = nativeHeap.allocArray<CHARVar>(MAX_PATH)
GetModuleFileNameA(null, pathBuffer, MAX_PATH)
val path = pathBuffer.toKString()
nativeHeap.free(pathBuffer)
WinApi.run(path, data[it])
if (!WinApi.switch(desk)) {
MsgBoxError("Cannot switch to the desktop",
"The system reports this operation fails.\n" +
"Error: ${GetLastError()}")
return@button
}
}
}
}
// TODO: Support creating new desktops
}
}
private fun refresh() {
mDesktops.clear()
if (EnumDesktopsA(GetProcessWindowStation(),
staticCFunction { lpszDesktop, _ ->
if (lpszDesktop == null) return@staticCFunction 1
mDesktops.add(lpszDesktop.toKString())
return@staticCFunction 1
},
0) == 0) {
MsgBoxError("Cannot obtain the desktop list",
"Error code: ${GetLastError()}")
}
}
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