1 files changed, 100 insertions, 0 deletions
diff --git a/redo/basicctrls.go b/redo/basicctrls.go
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+++ b/redo/basicctrls.go
@@ -0,0 +1,100 @@
+// 7 july 2014
+
+package ui
+
+// Control represents a control.
+// All Controls have event handlers that take a single argument (the Doer active during the event) and return nothing.
+type Control interface {
+	setParent(p *controlParent)	// controlParent defined per-platform
+	// TODO enable/disable (public)
+	// TODO show/hide (public)
+	containerShow()			// for Windows, where all controls need ot belong to an overlapped window, not to a container control; these respect programmer settings
+	containerHide()
+	controlSizing
+}
+
+// Button is a clickable button that performs some task.
+type Button interface {
+	Control
+
+	// OnClicked sets the event handler for when the Button is clicked.
+	OnClicked(func())
+
+	// Text and SetText get and set the Button's label text.
+	Text() string
+	SetText(text string)
+}
+
+// NewButton creates a new Button with the given label text.
+func NewButton(text string) Button {
+	return newButton(text)
+}
+
+// Checkbox is a clickable box that indicates some Boolean value.
+type Checkbox interface {
+	Control
+
+	// OnClicked sets the event handler for when the Checkbox is clicked (to change its toggle state).
+	// TODO change to OnToggled() or OnChecked()?
+	OnClicked(func())
+
+	// Text and SetText get and set the Checkbox's label text.
+	Text() string
+	SetText(text string)
+
+	// Checked and SetChecked get and set the Checkbox's check state.
+	Checked() bool
+	SetChecked(checked bool)
+}
+
+// NewCheckbox creates a new Checkbox with the given label text.
+// The Checkbox will be initially unchecked.
+func NewCheckbox(text string) Checkbox {
+	return newCheckbox(text)
+}
+
+// TextField is a Control in which the user can enter a single line of text.
+type TextField interface {
+	Control
+
+	// TODO figure out what events are appropriate
+
+	// Text and SetText are Requests that get and set the TextField's text.
+	Text() string
+	SetText(text string)
+}
+
+// NewTextField creates a new TextField.
+func NewTextField() TextField {
+	return newTextField()
+}
+
+// NewPasswordField creates a new TextField for entering passwords; that is, it hides the text being entered.
+func NewPasswordField() TextField {
+	return newPasswordField()
+}
+
+
+// Label is a Control that shows a static line of text.
+// Label shows one line of text; any text that does not fit is truncated.
+// A Label can either have smart vertical alignment relative to the control to its right or just be vertically aligned to the top (standalone).
+type Label interface {
+	Control
+
+	// Text and SetText get and set the Label's text.
+	Text() string
+	SetText(text string)
+}
+
+// NewLabel creates a new Label with the given text.
+// The Label will smartly vertically position itself relative to the control to its immediate right.
+// TODO Grids on GTK+ will not respect this unless SetFilling()
+func NewLabel(text string) Label {
+	return newLabel(text)
+}
+
+// NewStandaloneLabel creates a new Label with the given text.
+// The Label will be vertically positioned at the top of its allocated space.
+func NewStandaloneLabel(text string) Label {
+	return newStandaloneLabel(text)
+}