Added Textbox and implemented it on Windows.

1 files changed, 40 insertions, 0 deletions

diff --git a/textbox_windows.go b/textbox_windows.go
new file mode 100644
index 0000000..0a68052
--- /dev/null
+++ b/textbox_windows.go
@@ -0,0 +1,40 @@
+// 23 october 2014
+
+package ui
+
+// #include "winapi_windows.h"
+import "C"
+
+type textbox struct {
+	*controlSingleHWNDWithText
+}
+
+// TODO autohide scrollbars
+func newTextbox() Textbox {
+	hwnd := C.newControl(editclass,
+		// TODO ES_AUTOHSCROLL/ES_AUTOVSCROLL as well?
+		// TODO word wrap
+		C.ES_LEFT | C.ES_MULTILINE | C.ES_NOHIDESEL | C.ES_WANTRETURN | C.WS_HSCROLL | C.WS_VSCROLL,
+		C.WS_EX_CLIENTEDGE)
+	t := &textbox{
+		controlSingleHWNDWithText:		newControlSingleHWNDWithText(hwnd),
+	}
+	t.fpreferredSize = t.xpreferredSize
+	C.controlSetControlFont(t.hwnd)
+	return t
+}
+
+func (t *textbox) Text() string {
+	return t.text()
+}
+
+func (t *textbox) SetText(text string) {
+	t.setText(text)
+}
+
+// just reuse the preferred textfield width
+// TODO allow alternate widths
+// TODO current height probably can be better calculated
+func (t *textbox) xpreferredSize(d *sizing) (width, height int) {
+	return fromdlgunitsX(textfieldWidth, d), fromdlgunitsY(textfieldHeight, d) * 3
+}