Added popups

elements/testing/mouse.go

@@ -1,4 +1,4 @@
-package basic
+package testing
 
 import "image"
 import "image/color"
@@ -7,8 +7,9 @@ import "git.tebibyte.media/sashakoshka/tomo/theme"
 import "git.tebibyte.media/sashakoshka/tomo/artist"
 import "git.tebibyte.media/sashakoshka/tomo/elements/core"
 
-// Test is a simple element that can be used as a placeholder.
-type Test struct {
+// Mouse is an element capable of testing mouse input. When the mouse is clicked
+// and dragged on it, it draws a trail.
+type Mouse struct {
 	*core.Core
 	core core.CoreControl
 	drawing      bool
@@ -16,16 +17,16 @@ type Test struct {
 	lastMousePos image.Point
 }
 
-// NewTest creates a new test element.
-func NewTest () (element *Test) {
-	element = &Test { }
+// NewMouse creates a new mouse test element.
+func NewMouse () (element *Mouse) {
+	element = &Mouse { }
 	element.Core, element.core = core.NewCore(element)
 	element.core.SetMinimumSize(32, 32)
 	element.color = artist.NewUniform(color.Black)
 	return
 }
 
-func (element *Test) Handle (event tomo.Event) {
+func (element *Mouse) Handle (event tomo.Event) {
 	switch event.(type) {
 	case tomo.EventResize:
 		resizeEvent := event.(tomo.EventResize)

examples/horizontalLayout/main.go

@@ -2,6 +2,7 @@ package main
 
 import "git.tebibyte.media/sashakoshka/tomo"
 import "git.tebibyte.media/sashakoshka/tomo/elements/basic"
+import "git.tebibyte.media/sashakoshka/tomo/elements/testing"
 import "git.tebibyte.media/sashakoshka/tomo/elements/layouts"
 import _ "git.tebibyte.media/sashakoshka/tomo/backends/x"
 
@@ -16,9 +17,9 @@ func run () {
 	container := basic.NewContainer(layouts.Horizontal { true, true })
 	window.Adopt(container)
 
-	container.Adopt(basic.NewTest(), true)
+	container.Adopt(testing.NewMouse(), true)
 	container.Adopt(basic.NewLabel("<- left\nright ->", false), false)
-	container.Adopt(basic.NewTest(), true)
+	container.Adopt(testing.NewMouse(), true)
 	
 	window.OnClose(tomo.Stop)
 	window.Show()

examples/popups/main.go

@@ -0,0 +1,68 @@
+package main
+
+import "git.tebibyte.media/sashakoshka/tomo"
+import "git.tebibyte.media/sashakoshka/tomo/popups"
+import "git.tebibyte.media/sashakoshka/tomo/elements/basic"
+import "git.tebibyte.media/sashakoshka/tomo/elements/layouts"
+import _ "git.tebibyte.media/sashakoshka/tomo/backends/x"
+
+func main () {
+	tomo.Run(run)
+}
+
+func run () {
+	window, _ := tomo.NewWindow(2, 2)
+	window.SetTitle("Dialog Boxes")
+
+	container := basic.NewContainer(layouts.Vertical { true, true })
+	window.Adopt(container)
+
+	container.Adopt(basic.NewLabel("Try out different dialogs:", false), true)
+
+	infoButton := basic.NewButton("popups.DialogKindInfo")
+	infoButton.OnClick (func () {
+		popups.NewDialog (
+			popups.DialogKindInfo,
+			"Information",
+			"You are wacky")
+	})
+	container.Adopt(infoButton, false)
+	infoButton.Select()
+	
+	questionButton := basic.NewButton("popups.DialogKindQuestion")
+	questionButton.OnClick (func () {
+		popups.NewDialog (
+			popups.DialogKindQuestion,
+			"The Big Question",
+			"Are you real?",
+			popups.Button { "Yes",      func () { } },
+			popups.Button { "No",       func () { } },
+			popups.Button { "Not sure", func () { } })
+	})
+	container.Adopt(questionButton, false)
+	
+	warningButton := basic.NewButton("popups.DialogKindWarning")
+	warningButton.OnClick (func () {
+		popups.NewDialog (
+			popups.DialogKindQuestion,
+			"Warning",
+			"They are fast approaching.")
+	})
+	container.Adopt(warningButton, false)
+	
+	errorButton := basic.NewButton("popups.DialogKindError")
+	errorButton.OnClick (func () {
+		popups.NewDialog (
+			popups.DialogKindQuestion,
+			"Error",
+			"There is nowhere left to go.")
+	})
+	container.Adopt(errorButton, false)
+
+	cancelButton := basic.NewButton("No thank you.")
+	cancelButton.OnClick(tomo.Stop)
+	container.Adopt(cancelButton, false)
+		
+	window.OnClose(tomo.Stop)
+	window.Show()
+}

examples/test/main.go

@@ -1,7 +1,7 @@
 package main
 
 import "git.tebibyte.media/sashakoshka/tomo"
-import "git.tebibyte.media/sashakoshka/tomo/elements/basic"
+import "git.tebibyte.media/sashakoshka/tomo/elements/testing"
 import _ "git.tebibyte.media/sashakoshka/tomo/backends/x"
 
 func main () {
@@ -11,7 +11,7 @@ func main () {
 func run () {
 	window, _ := tomo.NewWindow(128, 128)
 	window.SetTitle("hellorld!")
-	window.Adopt(basic.NewTest())
+	window.Adopt(testing.NewMouse())
 	window.OnClose(tomo.Stop)
 	window.Show()
 }

examples/verticalLayout/main.go

@@ -2,6 +2,7 @@ package main
 
 import "git.tebibyte.media/sashakoshka/tomo"
 import "git.tebibyte.media/sashakoshka/tomo/elements/basic"
+import "git.tebibyte.media/sashakoshka/tomo/elements/testing"
 import "git.tebibyte.media/sashakoshka/tomo/elements/layouts"
 import _ "git.tebibyte.media/sashakoshka/tomo/backends/x"
 
@@ -22,7 +23,7 @@ func run () {
 	button.OnClick (func () {
 		container.DisownAll()
 		container.Adopt(basic.NewLabel("Draw here:", false), false)
-		container.Adopt(basic.NewTest(), true)
+		container.Adopt(testing.NewMouse(), true)
 		container.Adopt(okButton, false)
 		okButton.Select()
 	})

popups/dialog.go

@@ -0,0 +1,49 @@
+package popups
+
+import "git.tebibyte.media/sashakoshka/tomo"
+import "git.tebibyte.media/sashakoshka/tomo/elements/basic"
+import "git.tebibyte.media/sashakoshka/tomo/elements/layouts"
+
+type DialogKind int
+
+const (
+	DialogKindInfo DialogKind = iota
+	DialogKindQuestion
+	DialogKindWarning
+	DialogKindError
+)
+
+type Button struct {
+	Name string
+	OnPress func ()
+}
+
+func NewDialog (kind DialogKind, title, message string, buttons ...Button) {
+	window, _ := tomo.NewWindow(2, 2)
+	window.SetTitle(title)
+	
+	container := basic.NewContainer(layouts.Dialog { true, true })
+	window.Adopt(container)
+
+	container.Adopt(basic.NewLabel(message, false), true)
+	if len(buttons) == 0 {
+		button := basic.NewButton("OK")
+		button.OnClick(window.Close)
+		container.Adopt(button, false)
+		button.Select()
+	} else {
+		var button *basic.Button
+		for _, buttonDescriptor := range buttons {
+			button = basic.NewButton(buttonDescriptor.Name)
+			button.SetEnabled(buttonDescriptor.OnPress != nil)
+			button.OnClick (func () {
+				buttonDescriptor.OnPress()
+				window.Close()
+			})
+			container.Adopt(button, false)
+		}
+		button.Select()
+	}
+	
+	window.Show()
+}