Migrated window.go, box.go, button.go, and checkbox.go back.

1 files changed, 122 insertions, 0 deletions

diff --git a/window.go b/window.go
new file mode 100644
index 0000000..d597323
--- /dev/null
+++ b/window.go
@@ -0,0 +1,122 @@
+// 12 december 2015
+
+package ui
+
+import (
+	"unsafe"
+)
+
+// #include "pkgui.h"
+import "C"
+
+// Window is a Control that represents a top-level window.
+// A Window contains one child Control that occupies the
+// entirety of the window. Though a Window is a Control,
+// a Window cannot be the child of another Control.
+type Window struct {
+	ControlBase
+	w	*C.uiWindow
+	child		Control
+	onClosing		func(w *Window) bool
+}
+
+// NewWindow creates a new Window.
+func NewWindow(title string, width int, height int, hasMenubar bool) *Window {
+	w := new(Window)
+
+	ctitle := C.CString(title)
+	w.w = C.uiNewWindow(ctitle, C.int(width), C.int(height), frombool(hasMenubar))
+	freestr(ctitle)
+
+	C.pkguiWindowOnClosing(w.w)
+
+	w.ControlBase = NewControlBase(w, uintptr(unsafe.Pointer(w.w)))
+	return w
+}
+
+// Destroy destroys the Window. If the Window has a child,
+// Destroy calls Destroy on that as well.
+func (w *Window) Destroy() {
+	w.Hide()		// first hide the window, in case anything in the below if statement forces an immediate redraw
+	if w.child != nil {
+		c := w.child
+		w.SetChild(nil)
+		c.Destroy()
+	}
+	w.ControlBase.Destroy()
+}
+
+// Title returns the Window's title.
+func (w *Window) Title() string {
+	ctitle := C.uiWindowTitle(w.w)
+	title := C.GoString(ctitle)
+	C.uiFreeText(ctitle)
+	return title
+}
+
+// SetTitle sets the Window's title to title.
+func (w *Window) SetTitle(title string) {
+	ctitle := C.CString(title)
+	C.uiWindowSetTitle(w.w, ctitle)
+	freestr(ctitle)
+}
+
+// TODO ContentSize
+// TODO SetContentSize
+// TODO Fullscreen
+// TODO SetFullscreen
+// TODO OnContentSizeChanged
+
+// OnClosing registers f to be run when the user clicks the Window's
+// close button. Only one function can be registered at a time.
+// If f returns true, the window is destroyed with the Destroy method.
+// If f returns false, or if OnClosing is never called, the window is not
+// destroyed and is kept visible.
+func (w *Window) OnClosing(f func(*Window) bool) {
+	w.onClosing = f
+}
+
+//export pkguiDoWindowOnClosing
+func pkguiDoWindowOnClosing(ww *C.uiWindow, data unsafe.Pointer) C.int {
+	w := ControlFromLibui(uintptr(unsafe.Pointer(ww))).(*Window)
+	if w.onClosing == nil {
+		return 0
+	}
+	if w.onClosing(w) {
+		w.Destroy()
+	}
+	return 0
+}
+
+// Borderless returns whether the Window is borderless.
+func (w *Window) Borderless() bool {
+	return tobool(C.uiWindowBorderless(w.w))
+}
+
+// SetBorderless sets the Window to be borderless or not.
+func (w *Window) SetBorderless(borderless bool) {
+	C.uiWindowSetBorderless(w.w, frombool(borderless))
+}
+
+// SetChild sets the Window's child to child. If child is nil, the Window
+// will not have a child.
+func (w *Window) SetChild(child Control) {
+	w.child = child
+	c := (*C.uiControl)(nil)
+	if w.child != nil {
+		c = touiControl(w.child.LibuiControl())
+	}
+	C.uiWindowSetChild(w.w, c)
+}
+
+// Margined returns whether the Window has margins around its child.
+func (w *Window) Margined() bool {
+	return tobool(C.uiWindowMargined(w.w))
+}
+
+// SetMargined controls whether the Window has margins around its
+// child. The size of the margins are determined by the OS and its
+// best practices.
+func (w *Window) SetMargined(margined bool) {
+	C.uiWindowSetMargined(w.w, frombool(margined))
+}