62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
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// +build !windows,!darwin
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// 25 july 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 tab struct {
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*controlSingleWidget
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container *C.GtkContainer
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notebook *C.GtkNotebook
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tabs []*container
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children []Control
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}
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func newTab() Tab {
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widget := C.gtk_notebook_new()
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t := &tab{
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controlSingleWidget: newControlSingleWidget(widget),
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container: (*C.GtkContainer)(unsafe.Pointer(widget)),
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notebook: (*C.GtkNotebook)(unsafe.Pointer(widget)),
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}
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t.fresize = t.resize
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// there are no scrolling arrows by default; add them in case there are too many tabs
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C.gtk_notebook_set_scrollable(t.notebook, C.TRUE)
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return t
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}
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func (t *tab) Append(name string, control Control) {
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c := newContainer(control)
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t.tabs = append(t.tabs, c)
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// this calls gtk_container_add(), which, according to gregier in irc.gimp.net/#gtk+, acts just like gtk_notebook_append_page()
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c.setParent(&controlParent{t.container})
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control.setParent(c.parent())
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t.children = append(t.children, control)
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cname := togstr(name)
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defer freegstr(cname)
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C.gtk_notebook_set_tab_label_text(t.notebook,
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// unfortunately there does not seem to be a gtk_notebook_set_nth_tab_label_text()
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C.gtk_notebook_get_nth_page(t.notebook, C.gint(len(t.tabs)-1)),
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cname)
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}
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func (t *tab) resize(x int, y int, width int, height int, d *sizing) {
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// first, chain up to change the GtkFrame and its child container
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// TODO use a variable for this
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t.containerSingleWidget.resize(x, y, width, height, d)
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// now that the containers have the correct size, we can resize the children
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for i, _ := range t.tabs {
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a := g.tabs[i].allocation(g.margined)
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g.children[i].resize(int(a.x), int(a.y), int(a.width), int(a.height), d)
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}
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}
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