47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
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// +build !windows,!darwin
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// 23 october 2014
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package ui
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import (
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"unsafe"
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)
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// #include "gtk_unix.h"
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import "C"
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type textbox struct {
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*scroller
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textview *C.GtkTextView
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}
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func newTextbox() Textbox {
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widget := C.gtk_text_view_new()
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t := &textbox{
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scroller: newScroller(widget, true, true, false), // natively scrollable, has a border, no overlay
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textview: (*C.GtkTextView)(unsafe.Pointer(widget)),
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}
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return t
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}
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func (t *textbox) Text() string {
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var start, end C.GtkTextIter
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buf := C.gtk_text_view_get_buffer(t.textview)
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C.gtk_text_buffer_get_bounds(buf, &start, &end)
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// include hidden chars even though there can't be one since Textbox is explicitly unformatted just to be safe
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// don't worry about embedded pixbufs or widgets; those aren't allowed either
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ctext := C.gtk_text_buffer_get_text(buf, &start, &end, C.TRUE)
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// not explicitly documented: have to manually free this (thanks ste in irc.gimp.net/#gtk+)
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defer C.g_free(C.gpointer(unsafe.Pointer(ctext)))
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return fromgstr(ctext)
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}
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func (t *textbox) SetText(text string) {
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ctext := togstr(text)
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defer freegstr(ctext)
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buf := C.gtk_text_view_get_buffer(t.textview)
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C.gtk_text_buffer_set_text(buf, ctext, -1) // null-terminated
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}
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