Exemplo n.º 1
0
Arquivo: gtk.go Projeto: jwilkins/pond
func (ui *GTKUI) createWidget(v interface{}) gtk.WidgetLike {
	switch v := v.(type) {
	case VBox:
		vbox := gtk.Box(gtk.GTK_ORIENTATION_VERTICAL, v.spacing)
		for _, child := range v.children {
			widget := ui.newWidget(child)
			if child.PackEnd() {
				vbox.PackEnd(widget, child.Expand(), child.Fill(), child.Padding())
			} else {
				vbox.PackStart(widget, child.Expand(), child.Fill(), child.Padding())
			}
		}
		return vbox
	case HBox:
		hbox := gtk.Box(gtk.GTK_ORIENTATION_HORIZONTAL, v.spacing)
		for _, child := range v.children {
			widget := ui.newWidget(child)
			hbox.PackStart(widget, child.Expand(), child.Fill(), child.Padding())
		}
		return hbox
	case EventBox:
		box := gtk.EventBox()
		if v.child != nil {
			widget := ui.newWidget(v.child)
			box.Add(widget)
		}
		configureWidget(&box.GtkWidget, v.widgetBase)
		if len(v.name) > 0 {
			box.Connect("button-press-event", func(e interface{}) {
				ui.clicked(v.name)
			})
		}
		return box
	case Label:
		label := gtk.Label(v.text)
		if len(v.markup) > 0 {
			label.SetMarkup(v.markup)
		}
		label.SetAlignment(v.xAlign, v.yAlign)
		configureWidget(&label.GtkWidget, v.widgetBase)
		if v.wrap != 0 {
			label.SetSizeRequest(v.wrap, -1)
			label.SetLineWrap(true)
		}
		label.SetSelectable(v.selectable)
		return label
	case Entry:
		entry := gtk.Entry()
		entry.SetText(v.text)
		if v.width > 0 {
			entry.SetWidthChars(v.width)
		}
		if name := v.name; len(name) > 0 {
			ui.entries[name] = entry
			entry.Connect("destroy", func() {
				delete(ui.entries, name)
			})
			entry.Connect("activate", func() {
				ui.clicked(v.name)
			})
			if v.updateOnChange {
				entry.Connect("changed", func() {
					ui.updatedEntry(v.name)
				})
			}
		}
		if v.password {
			entry.SetVisibility(false)
		}
		configureWidget(&entry.GtkWidget, v.widgetBase)
		return entry
	case Button:
		var button *gtk.GtkButton
		if len(v.text) > 0 {
			button = gtk.ButtonWithLabel(v.text)
		} else {
			button = gtk.Button()
			if len(v.markup) > 0 {
				label := gtk.Label("")
				label.SetMarkup(v.markup)
				button.Add(label)
			}
		}
		if v.image != indicatorNone {
			image := gtk.ImageFromPixbuf(v.image.Image())
			button.Add(image)
		}
		button.Clicked(func() {
			ui.clicked(v.name)
		})
		configureWidget(&button.GtkWidget, v.widgetBase)
		return button
	case Spinner:
		spinner := gtk.Spinner()
		spinner.Start()
		return spinner
	case Paned:
		paned := gtk.Paned(gtk.GTK_ORIENTATION_HORIZONTAL)
		left := ui.newWidget(v.left)
		right := ui.newWidget(v.right)
		paned.Add1(left)
		paned.Add2(right)
		return paned
	case Scrolled:
		scrolled := gtk.ScrolledWindow(nil, nil)
		horizonalPolicy := gtk.GtkPolicyType(gtk.GTK_POLICY_NEVER)
		if v.horizontal {
			horizonalPolicy = gtk.GTK_POLICY_AUTOMATIC
		}
		scrolled.SetPolicy(horizonalPolicy, gtk.GTK_POLICY_AUTOMATIC)
		child := ui.newWidget(v.child)
		if v.viewport {
			scrolled.AddWithViewPort(child)
		} else {
			scrolled.Add(child)
		}
		return scrolled
	case TextView:
		view := gtk.TextView()
		view.SetBorderWidth(1)
		view.SetEditable(v.editable)
		if len(v.text) > 0 {
			buffer := gtk.TextBuffer(gtk.TextTagTable())
			buffer.SetText(v.text)
			view.SetBuffer(buffer)
		}
		if v.wrap {
			view.SetWrapMode(gtk.GTK_WRAP_WORD_CHAR)
		}
		if v.updateOnChange && len(v.name) > 0 {
			view.GetBuffer().Connect("changed", func() {
				ui.updated(v.name)
			})
		}
		if v.spellCheck {
			if _, err := gtkspell.New(view, ""); err != nil {
				panic(err)
			}
		}
		if name := v.name; len(name) > 0 {
			ui.textViews[name] = view
			view.Connect("destroy", func() {
				delete(ui.textViews, name)
			})
		}
		configureWidget(&view.GtkWidget, v.widgetBase)
		return view
	case Combo:
		combo := gtk.ComboBoxText()
		selectedIndex := -1
		for i, l := range v.labels {
			combo.AppendText(l)
			if len(v.preSelected) > 0 && l == v.preSelected {
				selectedIndex = i
			}
		}
		if selectedIndex >= 0 {
			combo.SetActive(selectedIndex)
		}
		if name := v.name; len(name) > 0 {
			ui.combos[name] = combo
			combo.Connect("destroy", func() {
				delete(ui.combos, name)
			})
			combo.Connect("changed", func() {
				ui.clicked(v.name)
			})
		}
		configureWidget(&combo.GtkWidget, v.widgetBase)
		return combo
	case Image:
		image := gtk.ImageFromPixbuf(v.image.Image())
		image.SetAlignment(v.xAlign, v.yAlign)
		configureWidget(&image.GtkWidget, v.widgetBase)
		return image
	case Frame:
		frame := gtk.Frame("")
		configureWidget(&frame.GtkWidget, v.widgetBase)
		if v.child != nil {
			widget := ui.newWidget(v.child)
			frame.Add(widget)
		}
		return frame
	case Progress:
		pro := gtk.ProgressBar()
		configureWidget(&pro.GtkWidget, v.widgetBase)
		return pro
	case Grid:
		grid := gtk.Grid()
		configureWidget(&grid.GtkWidget, v.widgetBase)
		for y, row := range v.rows {
			x := 0
			for _, elem := range row {
				if elem.widget != nil {
					grid.Attach(ui.newWidget(elem.widget), x, y, elem.width, elem.height)
				}
				x += elem.width
			}
		}
		if v.rowSpacing > 0 {
			grid.SetRowSpacing(v.rowSpacing)
		}
		if v.colSpacing > 0 {
			grid.SetColSpacing(v.colSpacing)
		}
		if v.rowHomogeneous {
			grid.SetRowHomogeneous(true)
		}
		if v.colHomogeneous {
			grid.SetColumnHomogeneous(true)
		}
		return grid
	case RadioGroup:
		hbox := gtk.Box(gtk.GTK_ORIENTATION_HORIZONTAL, 2)
		var last *gtk.GtkRadioButton
		for i, labelText := range v.labels {
			last = gtk.RadioButtonWithLabelFromWidget(last, labelText)
			i := i
			last.Connect("toggled", func() {
				ui.radioGroups[v.name] = i
				ui.clicked(v.name)
			})
			last.Connect("destroy", func() {
				delete(ui.radioGroups, v.name)
			})
			hbox.PackStart(last, false, true, 2)
		}
		return hbox
	case Calendar:
		cal := gtk.Calendar()
		configureWidget(&cal.GtkWidget, v.widgetBase)
		if len(v.name) > 0 {
			ui.calendars[v.name] = cal
			cal.Connect("destroy", func() {
				delete(ui.calendars, v.name)
			})
		}
		return cal
	case SpinButton:
		spin := gtk.SpinButtonWithRange(v.min, v.max, v.step)
		configureWidget(&spin.GtkWidget, v.widgetBase)
		if len(v.name) > 0 {
			ui.spinButtons[v.name] = spin
			spin.Connect("destroy", func() {
				delete(ui.spinButtons, v.name)
			})
		}
		return spin
	case CheckButton:
		check := gtk.CheckButtonWithLabel(v.text)
		configureWidget(&check.GtkWidget, v.widgetBase)
		check.SetActive(v.checked)
		if len(v.name) > 0 {
			check.Connect("toggled", func() {
				ui.clicked(v.name)
			})
			check.Connect("destroy", func() {
				delete(ui.checks, v.name)
			})
			ui.checks[v.name] = check
		}

		return check

	default:
		panic("unknown widget: " + fmt.Sprintf("%#v", v))
	}

	panic("forgot to return")
}
Exemplo n.º 2
0
func (ui *GTKUI) createWidget(v interface{}) gtk.WidgetLike {
	switch v := v.(type) {
	case VBox:
		vbox := gtk.VBox(v.homogeneous, v.spacing)
		for _, child := range v.children {
			widget := ui.newWidget(child)
			if child.PackEnd() {
				vbox.PackEnd(widget, child.Expand(), child.Fill(), child.Padding())
			} else {
				vbox.PackStart(widget, child.Expand(), child.Fill(), child.Padding())
			}
		}
		return vbox
	case HBox:
		hbox := gtk.HBox(v.homogeneous, v.spacing)
		for _, child := range v.children {
			widget := ui.newWidget(child)
			hbox.PackStart(widget, child.Expand(), child.Fill(), child.Padding())
		}
		return hbox
	case EventBox:
		box := gtk.EventBox()
		if v.child != nil {
			widget := ui.newWidget(v.child)
			box.Add(widget)
		}
		configureWidget(&box.GtkWidget, v.widgetBase)
		if len(v.name) > 0 {
			box.Connect("button-press-event", func(e interface{}) {
				ui.clicked(v.name)
			})
		}
		return box
	case Label:
		label := gtk.Label(v.text)
		label.SetAlignment(v.xAlign, v.yAlign)
		configureWidget(&label.GtkWidget, v.widgetBase)
		if v.wrap != 0 {
			label.SetSizeRequest(v.wrap, -1)
			label.SetLineWrap(true)
		}
		label.SetSelectable(v.selectable)
		return label
	case Entry:
		entry := gtk.Entry()
		entry.SetText(v.text)
		if v.width > 0 {
			entry.SetWidthChars(v.width)
		}
		if name := v.name; len(name) > 0 {
			ui.entries[name] = entry
			entry.Connect("destroy", func() {
				delete(ui.entries, name)
			})
			entry.Connect("activate", func() {
				ui.clicked(v.name)
			})
		}
		if v.password {
			entry.SetVisibility(false)
		}
		configureWidget(&entry.GtkWidget, v.widgetBase)
		return entry
	case Button:
		button := gtk.ButtonWithLabel(v.text)
		button.Clicked(func() {
			ui.clicked(v.name)
		})
		configureWidget(&button.GtkWidget, v.widgetBase)
		return button
	case Spinner:
		spinner := gtk.Spinner()
		spinner.Start()
		return spinner
	case Paned:
		paned := gtk.HPaned()
		left := ui.newWidget(v.left)
		right := ui.newWidget(v.right)
		paned.Add1(left)
		paned.Add2(right)
		return paned
	case Scrolled:
		scrolled := gtk.ScrolledWindow(nil, nil)
		horizonalPolicy := gtk.GtkPolicyType(gtk.GTK_POLICY_NEVER)
		if v.horizontal {
			horizonalPolicy = gtk.GTK_POLICY_AUTOMATIC
		}
		scrolled.SetPolicy(horizonalPolicy, gtk.GTK_POLICY_AUTOMATIC)
		child := ui.newWidget(v.child)
		if v.viewport {
			scrolled.AddWithViewPort(child)
		} else {
			scrolled.Add(child)
		}
		return scrolled
	case TextView:
		view := gtk.TextView()
		view.SetBorderWidth(1)
		view.SetEditable(v.editable)
		if len(v.text) > 0 {
			buffer := gtk.TextBuffer(gtk.TextTagTable())
			buffer.SetText(v.text)
			view.SetBuffer(buffer)
		}
		if v.wrap {
			view.SetWrapMode(gtk.GTK_WRAP_WORD_CHAR)
		}
		if v.updateOnChange && len(v.name) > 0 {
			view.GetBuffer().Connect("changed", func() {
				ui.updated(v.name)
			})
		}
		if v.spellCheck {
			if _, err := gtkspell.New(view, ""); err != nil {
				panic(err)
			}
		}
		if name := v.name; len(name) > 0 {
			ui.textViews[name] = view
			view.Connect("destroy", func() {
				delete(ui.textViews, name)
			})
		}
		configureWidget(&view.GtkWidget, v.widgetBase)
		return view
	case Combo:
		combo := gtk.ComboBoxNewText()
		selectedIndex := -1
		for i, l := range v.labels {
			combo.AppendText(l)
			if len(v.preSelected) > 0 && l == v.preSelected {
				selectedIndex = i
			}
		}
		if selectedIndex >= 0 {
			combo.SetActive(selectedIndex)
		}
		if name := v.name; len(name) > 0 {
			ui.combos[name] = combo
			combo.Connect("destroy", func() {
				delete(ui.combos, name)
			})
			combo.Connect("changed", func() {
				ui.clicked(v.name)
			})
		}
		configureWidget(&combo.GtkWidget, v.widgetBase)
		return combo
	case Image:
		image := gtk.ImageFromPixbuf(v.image.Image())
		image.SetAlignment(v.xAlign, v.yAlign)
		configureWidget(&image.GtkWidget, v.widgetBase)
		return image
	default:
		panic("unknown widget: " + fmt.Sprintf("%#v", v))
	}

	panic("forgot to return")
}