Beispiel #1
0
func buildSwitchButtonDemo(event gwu.Event) gwu.Comp {
	p := gwu.NewPanel()
	p.SetCellPadding(1)

	row := gwu.NewHorizontalPanel()
	row.Add(gwu.NewLabel("Here's an ON/OFF switch which enables/disables the other one:"))
	sw := gwu.NewSwitchButton()
	sw.SetOnOff("ENB", "DISB")
	sw.SetState(true)
	row.Add(sw)
	p.Add(row)

	p.AddVSpace(10)
	row = gwu.NewHorizontalPanel()
	row.Add(gwu.NewLabel("And the other one:"))
	sw2 := gwu.NewSwitchButton()
	sw2.SetEnabled(true)
	sw2.Style().SetWidthPx(100)
	row.Add(sw2)
	sw.AddEHandlerFunc(func(e gwu.Event) {
		sw2.SetEnabled(sw.State())
		e.MarkDirty(sw2)
	}, gwu.ETYPE_CLICK)
	p.Add(row)

	return p
}
Beispiel #2
0
func buildPanelDemo(event gwu.Event) gwu.Comp {
	p := gwu.NewPanel()

	p.Add(gwu.NewLabel("Panel with horizontal layout:"))
	h := gwu.NewHorizontalPanel()
	for i := 1; i <= 5; i++ {
		h.Add(gwu.NewButton("Button " + strconv.Itoa(i)))
	}
	p.Add(h)

	p.AddVSpace(20)
	p.Add(gwu.NewLabel("Panel with vertical layout:"))
	v := gwu.NewVerticalPanel()
	for i := 1; i <= 5; i++ {
		v.Add(gwu.NewButton("Button " + strconv.Itoa(i)))
	}
	p.Add(v)

	p.AddVSpace(20)
	p.Add(gwu.NewLabel("Panel with natural layout:"))
	n := gwu.NewNaturalPanel()
	for i := 1; i <= 20; i++ {
		n.Add(gwu.NewButton("LONG BUTTON " + strconv.Itoa(i)))
	}
	p.Add(n)

	return p
}
Beispiel #3
0
func buildButtonDemo(event gwu.Event) gwu.Comp {
	p := gwu.NewPanel()

	l := gwu.NewLabel("")

	btnp := gwu.NewHorizontalPanel()
	b := gwu.NewButton("Normal Button")
	b.AddEHandlerFunc(func(e gwu.Event) {
		switch e.Type() {
		case gwu.ETYPE_MOUSE_OVER:
			l.SetText("Mouse is over...")
		case gwu.ETYPE_MOUSE_OUT:
			l.SetText("Mouse is out.")
		case gwu.ETYPE_CLICK:
			x, y := e.Mouse()
			l.SetText(fmt.Sprintf("Clicked at x=%d, y=%d", x, y))
		}
		e.MarkDirty(l)
	}, gwu.ETYPE_CLICK, gwu.ETYPE_MOUSE_OVER, gwu.ETYPE_MOUSE_OUT)
	btnp.Add(b)

	b = gwu.NewButton("Disabled Button")
	b.SetEnabled(false)
	btnp.Add(b)

	p.Add(btnp)

	p.Add(l)

	return p
}
Beispiel #4
0
func buildLinkDemo(event gwu.Event) gwu.Comp {
	p := gwu.NewPanel()
	p.SetCellPadding(3)

	p.Add(gwu.NewLink("Visit Gowut Home page", "https://sites.google.com/site/gowebuitoolkit/"))
	p.Add(gwu.NewLink("Visit Gowut Project page", "http://code.google.com/p/gowut/"))

	row := gwu.NewHorizontalPanel()
	row.SetCellPadding(3)
	row.Add(gwu.NewLabel("Discussion forum:"))
	row.Add(gwu.NewLink("https://groups.google.com/d/forum/gowebuitoolkit", "https://groups.google.com/d/forum/gowebuitoolkit"))
	p.Add(row)

	row = gwu.NewHorizontalPanel()
	row.SetCellPadding(3)
	row.Add(gwu.NewLabel("Send e-mail to the Gowut author:"))
	email := "iczaaa" + "@" + "gmail.com"
	row.Add(gwu.NewLink("András Belicza <"+email+">", "mailto:"+email))
	p.Add(row)

	return p
}
Beispiel #5
0
func buildTextBoxDemo(event gwu.Event) gwu.Comp {
	p := gwu.NewPanel()

	p.Add(gwu.NewLabel("Enter your name (max 15 characters):"))
	row := gwu.NewHorizontalPanel()
	tb := gwu.NewTextBox("")
	tb.SetMaxLength(15)
	tb.AddSyncOnETypes(gwu.ETYPE_KEY_UP)
	length := gwu.NewLabel("")
	length.Style().SetFontSize("80%").SetFontStyle(gwu.FONT_STYLE_ITALIC)
	tb.AddEHandlerFunc(func(e gwu.Event) {
		rem := 15 - len(tb.Text())
		length.SetText(fmt.Sprintf("(%d character%s left...)", rem, plural(rem)))
		e.MarkDirty(length)
	}, gwu.ETYPE_CHANGE, gwu.ETYPE_KEY_UP)
	row.Add(tb)
	row.Add(length)
	p.Add(row)

	p.AddVSpace(10)
	p.Add(gwu.NewLabel("Short biography:"))
	bio := gwu.NewTextBox("")
	bio.SetRows(5)
	bio.SetCols(40)
	p.Add(bio)

	p.AddVSpace(10)
	rtb := gwu.NewTextBox("This is just a read-only text box...")
	rtb.SetReadOnly(true)
	p.Add(rtb)

	p.AddVSpace(10)
	dtb := gwu.NewTextBox("...and a disabled one.")
	dtb.SetEnabled(false)
	p.Add(dtb)

	return p
}
Beispiel #6
0
func buildListBoxDemo(event gwu.Event) gwu.Comp {
	p := gwu.NewPanel()

	row := gwu.NewHorizontalPanel()
	l := gwu.NewLabel("Select a background color:")
	row.Add(l)
	lb := gwu.NewListBox([]string{"", "Black", "Red", "Green", "Blue", "White"})
	lb.AddEHandlerFunc(func(e gwu.Event) {
		l.Style().SetBackground(lb.SelectedValue())
		e.MarkDirty(l)
	}, gwu.ETYPE_CHANGE)
	row.Add(lb)
	p.Add(row)

	p.AddVSpace(10)
	p.Add(gwu.NewLabel("Select numbers that add up to 89:"))
	sumLabel := gwu.NewLabel("")
	lb2 := gwu.NewListBox([]string{"1", "2", "4", "8", "16", "32", "64", "128"})
	lb2.SetMulti(true)
	lb2.SetRows(10)
	lb2.AddEHandlerFunc(func(e gwu.Event) {
		sum := 0
		for _, idx := range lb2.SelectedIndices() {
			sum += 1 << uint(idx)
		}
		if sum == 89 {
			sumLabel.SetText("Hooray! You did it!")
		} else {
			sumLabel.SetText(fmt.Sprintf("Now quite there... (sum = %d)", sum))
		}
		e.MarkDirty(sumLabel)
	}, gwu.ETYPE_CHANGE)
	p.Add(lb2)
	p.Add(sumLabel)

	return p
}
Beispiel #7
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func startWebServer() {
	tables := gwu.NewHorizontalPanel()
	tables.SetVAlign(gwu.VA_TOP)
	updateTables(tables)

	win := gwu.NewWindow("scrolls", "ClockworkAgent")
	win.Style().SetFullWidth()
	win.SetHAlign(gwu.HA_CENTER)
	win.Style().SetBackground(`
		url(images/background.jpg) no-repeat center center fixed;
		background-size: cover;
	`)
	win.Add(tables)
	win.AddEHandlerFunc(func(e gwu.Event) {
		updateTables(tables)
	}, gwu.ETYPE_WIN_LOAD)

	server := gwu.NewServer("", "localhost:8080")
	server.AddWin(win)
	wd, err := os.Getwd()
	deny(err)
	server.AddStaticDir("images", wd+"/images")
	server.Start("scrolls")
}
Beispiel #8
0
func buildShowcaseWin(sess gwu.Session) {
	win := gwu.NewWindow("show", "Showcase of Features - Gowut")
	win.Style().SetFullSize()
	win.AddEHandlerFunc(func(e gwu.Event) {
		switch e.Type() {
		case gwu.ETYPE_WIN_LOAD:
			fmt.Println("LOADING window:", e.Src().Id())
		case gwu.ETYPE_WIN_UNLOAD:
			fmt.Println("UNLOADING window:", e.Src().Id())
		}
	}, gwu.ETYPE_WIN_LOAD, gwu.ETYPE_WIN_UNLOAD)

	hiddenPan := gwu.NewNaturalPanel()
	sess.SetAttr("hiddenPan", hiddenPan)

	header := gwu.NewHorizontalPanel()
	header.Style().SetFullWidth().SetBorderBottom2(2, gwu.BRD_STYLE_SOLID, "#777777")
	l := gwu.NewLabel("Gowut - Showcase of Features")
	l.Style().SetFontWeight(gwu.FONT_WEIGHT_BOLD).SetFontSize("120%")
	header.Add(l)
	header.AddHConsumer()
	header.Add(gwu.NewLabel("Theme:"))
	themes := gwu.NewListBox([]string{"default", "debug"})
	themes.AddEHandlerFunc(func(e gwu.Event) {
		win.SetTheme(themes.SelectedValue())
		e.ReloadWin("show")
	}, gwu.ETYPE_CHANGE)
	header.Add(themes)
	header.AddHSpace(10)
	reset := gwu.NewLink("Reset", "#")
	reset.SetTarget("")
	reset.AddEHandlerFunc(func(e gwu.Event) {
		e.RemoveSess()
		e.ReloadWin("show")
	}, gwu.ETYPE_CLICK)
	header.Add(reset)
	setNoWrap(header)
	win.Add(header)

	content := gwu.NewHorizontalPanel()
	content.SetCellPadding(1)
	content.SetVAlign(gwu.VA_TOP)
	content.Style().SetFullSize()

	demoWrapper := gwu.NewPanel()
	demoWrapper.Style().SetPaddingLeftPx(5)
	demoWrapper.AddVSpace(10)
	demoTitle := gwu.NewLabel("")
	demoTitle.Style().SetFontWeight(gwu.FONT_WEIGHT_BOLD).SetFontSize("110%")
	demoWrapper.Add(demoTitle)
	demoWrapper.AddVSpace(10)

	links := gwu.NewPanel()
	links.SetCellPadding(1)
	links.Style().SetPaddingRightPx(5)

	demos := make(map[string]pdemo)
	var selDemo pdemo

	selectDemo := func(d pdemo, e gwu.Event) {
		if selDemo != nil {
			selDemo.link.Style().SetBackground("")
			if e != nil {
				e.MarkDirty(selDemo.link)
			}
			demoWrapper.Remove(selDemo.comp)
		}
		selDemo = d
		d.link.Style().SetBackground("#88ff88")
		demoTitle.SetText(d.link.Text())
		if d.comp == nil {
			d.comp = d.buildFunc(e)
		}
		demoWrapper.Add(d.comp)
		if e != nil {
			e.MarkDirty(d.link, demoWrapper)
		}
	}

	createDemo := func(name string, buildFunc func(gwu.Event) gwu.Comp) pdemo {
		link := gwu.NewLabel(name)
		link.Style().SetFullWidth().SetCursor(gwu.CURSOR_POINTER).SetDisplay(gwu.DISPLAY_BLOCK).SetColor(gwu.CLR_BLUE)
		demo := &demo{link: link, buildFunc: buildFunc}
		link.AddEHandlerFunc(func(e gwu.Event) {
			selectDemo(demo, e)
		}, gwu.ETYPE_CLICK)
		links.Add(link)
		demos[name] = demo
		return demo
	}

	links.Style().SetFullHeight().SetBorderRight2(2, gwu.BRD_STYLE_SOLID, "#777777")
	links.AddVSpace(5)
	homeDemo := createDemo("Home", buildHomeDemo)
	selectDemo(homeDemo, nil)
	links.AddVSpace(5)
	l = gwu.NewLabel("Component Palette")
	l.Style().SetFontWeight(gwu.FONT_WEIGHT_BOLD).SetFontSize("110%")
	links.Add(l)
	links.AddVSpace(5)
	l = gwu.NewLabel("Containers")
	l.Style().SetFontWeight(gwu.FONT_WEIGHT_BOLD)
	links.Add(l)
	createDemo("Expander", buildExpanderDemo)
	createDemo("Link (as Container)", buildLinkContainerDemo)
	createDemo("Panel", buildPanelDemo)
	createDemo("Table", buildTableDemo)
	createDemo("TabPanel", buildTabPanelDemo)
	createDemo("Window", buildWindowDemo)
	links.AddVSpace(5)
	l = gwu.NewLabel("Input components")
	l.Style().SetFontWeight(gwu.FONT_WEIGHT_BOLD).SetDisplay(gwu.DISPLAY_BLOCK)
	links.Add(l)
	createDemo("CheckBox", buildCheckBoxDemo)
	createDemo("ListBox", buildListBoxDemo)
	createDemo("TextBox", buildTextBoxDemo)
	createDemo("PasswBox", buildPasswBoxDemo)
	createDemo("RadioButton", buildRadioButtonDemo)
	createDemo("SwitchButton", buildSwitchButtonDemo)
	links.AddVSpace(5)
	l = gwu.NewLabel("Other components")
	l.Style().SetFontWeight(gwu.FONT_WEIGHT_BOLD)
	links.Add(l)
	createDemo("Button", buildButtonDemo)
	createDemo("Html", buildHtmlDemo)
	createDemo("Image", buildImageDemo)
	createDemo("Label", buildLabelDemo)
	createDemo("Link", buildLinkDemo)
	createDemo("Timer", buildTimerDemo)
	links.AddVConsumer()
	setNoWrap(links)
	content.Add(links)
	content.Add(demoWrapper)
	content.CellFmt(demoWrapper).Style().SetFullWidth()

	win.Add(content)
	win.CellFmt(content).Style().SetFullSize()

	footer := gwu.NewHorizontalPanel()
	footer.Style().SetFullWidth().SetBorderTop2(2, gwu.BRD_STYLE_SOLID, "#777777")
	footer.Add(hiddenPan)
	footer.AddHConsumer()
	l = gwu.NewLabel("Copyright © 2013 András Belicza. All rights reserved.")
	l.Style().SetFontStyle(gwu.FONT_STYLE_ITALIC).SetFontSize("95%")
	footer.Add(l)
	footer.AddHSpace(10)
	link := gwu.NewLink("Visit Gowut Home page", "https://sites.google.com/site/gowebuitoolkit/")
	link.Style().SetFontStyle(gwu.FONT_STYLE_ITALIC).SetFontSize("95%")
	footer.Add(link)
	setNoWrap(footer)
	win.Add(footer)

	sess.AddWin(win)
}
Beispiel #9
0
func buildTimerDemo(event gwu.Event) gwu.Comp {
	p := gwu.NewPanel()
	p.SetCellPadding(3)

	// Add timers to a panel which is always attached instead of our panel
	// because the user can switch to another component demo causing this panel to be removed
	// and that way timer events would address components that are not part of the window (returning error).
	hiddenPan := event.Session().Attr("hiddenPan").(gwu.Panel)

	p.Add(gwu.NewLabel("A Timer is used to detonate a bomb after 3 seconds."))
	p.AddVSpace(10)
	defText := "You can defuse the bomb with the button below. Tick... Tack..."
	l := gwu.NewLabel(defText)
	p.Add(l)
	t := gwu.NewTimer(3 * time.Second)
	b := gwu.NewButton("Defuse!")
	t.AddEHandlerFunc(func(e gwu.Event) {
		l.SetText("BOOOOM! You were too slow!")
		l.Style().SetColor(gwu.CLR_RED)
		b.SetEnabled(false)
		e.MarkDirty(l, b)
	}, gwu.ETYPE_STATE_CHANGE)
	hiddenPan.Add(t)
	row := gwu.NewHorizontalPanel()
	b.AddEHandlerFunc(func(e gwu.Event) {
		t.SetActive(false)
		l.SetText("Bomb defused! Phew! Good Job!")
		l.Style().SetColor(gwu.CLR_GREEN)
		b.SetEnabled(false)
		e.MarkDirty(t, l, b)
	}, gwu.ETYPE_CLICK)
	row.Add(b)
	b2 := gwu.NewButton("Plant a new Bomb!")
	b2.AddEHandlerFunc(func(e gwu.Event) {
		t.SetActive(true)
		t.Reset()
		l.SetText(defText)
		l.Style().SetColor("")
		b.SetEnabled(true)
		e.MarkDirty(t, l, b)
	}, gwu.ETYPE_CLICK)
	row.Add(b2)
	p.Add(row)

	p.AddVSpace(20)
	p.Add(gwu.NewLabel("A Timer is used to refresh the time below repeatedly in every second for half a minute."))
	tl := gwu.NewLabel("")
	p.Add(tl)
	t2 := gwu.NewTimer(time.Second)
	t2.SetRepeat(true)
	counter := 30
	t2.AddEHandlerFunc(func(e gwu.Event) {
		counter--
		tl.SetText(fmt.Sprintf("%s (%d remaining)", time.Now().Format("2006-01-02 15:04:05"), counter))
		e.MarkDirty(tl)
		if counter <= 0 {
			t2.SetActive(false)
			e.MarkDirty(t2)
		}
	}, gwu.ETYPE_STATE_CHANGE)
	hiddenPan.Add(t2)
	b3 := gwu.NewButton("Restart")
	b3.AddEHandlerFunc(func(e gwu.Event) {
		counter = 30
		t2.SetActive(true)
		e.MarkDirty(t2)
	}, gwu.ETYPE_CLICK)
	p.Add(b3)

	event.MarkDirty(hiddenPan)

	return p
}
Beispiel #10
0
func main() {
	// Create and build a window
	win := gwu.NewWindow("main", "Test GUI Window")
	win.Style().SetFullWidth()
	win.SetHAlign(gwu.HA_CENTER)
	win.SetCellPadding(2)

	// Button which changes window content
	win.Add(gwu.NewLabel("I'm a label! Try clicking on the button=>"))
	btn := gwu.NewButton("Click me")
	btn.AddEHandler(&MyButtonHandler{text: ":-)"}, gwu.ETYPE_CLICK)
	win.Add(btn)
	btnsPanel := gwu.NewNaturalPanel()
	btn.AddEHandlerFunc(func(e gwu.Event) {
		// Create and add a new button...
		newbtn := gwu.NewButton("Extra #" + strconv.Itoa(btnsPanel.CompsCount()))
		newbtn.AddEHandlerFunc(func(e gwu.Event) {
			btnsPanel.Remove(newbtn) // ...which removes itself when clicked
			e.MarkDirty(btnsPanel)
		}, gwu.ETYPE_CLICK)
		btnsPanel.Insert(newbtn, 0)
		e.MarkDirty(btnsPanel)
	}, gwu.ETYPE_CLICK)
	win.Add(btnsPanel)

	// ListBox examples
	p := gwu.NewHorizontalPanel()
	p.Style().SetBorder2(1, gwu.BRD_STYLE_SOLID, gwu.CLR_BLACK)
	p.SetCellPadding(2)
	p.Add(gwu.NewLabel("A drop-down list being"))
	widelb := gwu.NewListBox([]string{"50", "100", "150", "200", "250"})
	widelb.Style().SetWidth("50")
	widelb.AddEHandlerFunc(func(e gwu.Event) {
		widelb.Style().SetWidth(widelb.SelectedValue() + "px")
		e.MarkDirty(widelb)
	}, gwu.ETYPE_CHANGE)
	p.Add(widelb)
	p.Add(gwu.NewLabel("pixel wide. And a multi-select list:"))
	listBox := gwu.NewListBox([]string{"First", "Second", "Third", "Forth", "Fifth", "Sixth"})
	listBox.SetMulti(true)
	listBox.SetRows(4)
	p.Add(listBox)
	countLabel := gwu.NewLabel("Selected count: 0")
	listBox.AddEHandlerFunc(func(e gwu.Event) {
		countLabel.SetText("Selected count: " + strconv.Itoa(len(listBox.SelectedIndices())))
		e.MarkDirty(countLabel)
	}, gwu.ETYPE_CHANGE)
	p.Add(countLabel)
	win.Add(p)

	// Self-color changer check box
	greencb := gwu.NewCheckBox("I'm a check box. When checked, I'm green!")
	greencb.AddEHandlerFunc(func(e gwu.Event) {
		if greencb.State() {
			greencb.Style().SetBackground(gwu.CLR_GREEN)
		} else {
			greencb.Style().SetBackground("")
		}
		e.MarkDirty(greencb)
	}, gwu.ETYPE_CLICK)
	win.Add(greencb)

	// TextBox with echo
	p = gwu.NewHorizontalPanel()
	p.Add(gwu.NewLabel("Enter your name:"))
	tb := gwu.NewTextBox("")
	tb.AddSyncOnETypes(gwu.ETYPE_KEY_UP)
	p.Add(tb)
	p.Add(gwu.NewLabel("You entered:"))
	nameLabel := gwu.NewLabel("")
	nameLabel.Style().SetColor(gwu.CLR_RED)
	tb.AddEHandlerFunc(func(e gwu.Event) {
		nameLabel.SetText(tb.Text())
		e.MarkDirty(nameLabel)
	}, gwu.ETYPE_CHANGE, gwu.ETYPE_KEY_UP)
	p.Add(nameLabel)
	win.Add(p)

	// Create and start a GUI server (omitting error check)
	server := gwu.NewServer("guitest", "localhost:8081")
	server.SetText("Test GUI App")
	server.AddWin(win)
	server.Start("") // Also opens windows list in browser
}