1 files changed, 71 insertions, 0 deletions
diff --git a/src/desktopMain/kotlin/moe.yuuta.desktop/WinApi.kt b/src/desktopMain/kotlin/moe.yuuta.desktop/WinApi.kt
new file mode 100644
index 0000000..9e596f8
--- /dev/null
+++ b/src/desktopMain/kotlin/moe.yuuta.desktop/WinApi.kt
@@ -0,0 +1,71 @@
+package moe.yuuta.desktop
+
+import kotlinx.cinterop.cValue
+import kotlinx.cinterop.convert
+import kotlinx.cinterop.cstr
+import kotlinx.cinterop.memScoped
+import platform.windows.*
+
+object WinApi {
+    fun run(program: String, desktop: String) {
+        memScoped {
+            val startupInfo = cValue<STARTUPINFOA> {
+                lpDesktop = desktop.cstr.ptr
+                dwFlags = STARTF_RUNFULLSCREEN.convert()
+            }
+            val pi = cValue<PROCESS_INFORMATION> {
+            }
+            // TODO: Close these objects?
+            return@memScoped CreateProcessA(program,
+                null,
+                null,
+                null,
+                0,
+                0.convert(),
+                null,
+                null,
+                startupInfo.ptr,
+                pi.ptr)
+        }
+    }
+
+    fun close(desktop: WinDesktop): Boolean {
+        return CloseDesktop(desktop.desktop) == 1
+    }
+
+    fun getThreadDesktop(thread: Int): WinDesktop? {
+        val desk = GetThreadDesktop(thread.convert()) ?: return null
+        return WinDesktop(desk, null)
+    }
+
+    fun getThreadDesktop(): WinDesktop? = getThreadDesktop(getCurrentThreadId())
+
+    fun getCurrentThreadId(): Int = GetCurrentThreadId().convert()
+
+    fun create(lpszDesktop: String,
+               dwDesiredAccess: Int): WinDesktop? {
+        val desk = CreateDesktopA(lpszDesktop,
+            null,
+            null,
+            0.convert(),
+            dwDesiredAccess.convert(),
+            null) ?: return null
+        return WinDesktop(desk, lpszDesktop)
+    }
+
+    fun switch(desktop: WinDesktop): Boolean {
+        return SwitchDesktop(desktop.desktop) == 1
+    }
+
+    fun setThreadDesktop(desktop: WinDesktop): Boolean {
+        return SetThreadDesktop(desktop.desktop) == 1
+    }
+
+    fun open(dwDesiredAccess: Int, desktop: String): WinDesktop? {
+        val desk = OpenDesktopA(desktop,
+            0.convert(),
+            0.convert(),
+            dwDesiredAccess.convert()) ?: return null
+        return WinDesktop(desk, desktop)
+    }
+}
+\ No newline at end of file