1 files changed, 0 insertions, 196 deletions
diff --git a/prev/basicctrls.go b/prev/basicctrls.go
deleted file mode 100644
index 8232cc3..0000000
--- a/prev/basicctrls.go
+++ /dev/null
@@ -1,196 +0,0 @@
-// 7 july 2014
-
-package ui
-
-// 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
-
-	// OnToggled sets the event handler for when the Checkbox is toggled.
-	OnToggled(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
-
-	// Text and SetText are Requests that get and set the TextField's text.
-	Text() string
-	SetText(text string)
-
-	// OnChanged is triggered when the text in a TextField is changed somehow.
-	// Do not bother trying to figure out how the text was changed; instead, perform your validation and use Invalid to inform the user that the entered text is invalid instead.
-	OnChanged(func())
-
-	// Invalid throws a non-modal alert (whose nature is system-defined) on or near the TextField that alerts the user that input is invalid.
-	// The string passed to Invalid will be displayed to the user to inform them of what specifically is wrong with the input.
-	// Pass an empty string to remove the warning.
-	Invalid(reason string)
-
-	// ReadOnly and SetReadOnly get and set whether the TextField is read-only.
-	// A read-only TextField cannot be changed by the user, but its text can still be manipulated in other ways (selecting, copying, etc.).
-	ReadOnly() bool
-	SetReadOnly(readonly bool)
-}
-
-// 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()
-}
-
-// Tab is a Control that contains multiple pages of tabs, each containing a single Control.
-// You can add and remove tabs from the Tab at any time.
-// The appearance of a Tab with no tabs is implementation-defined.
-type Tab interface {
-	Control
-
-	// Append adds a new tab to Tab.
-	// The tab is added to the end of the current list of tabs.
-	Append(name string, control Control)
-}
-
-// NewTab creates a new Tab with no tabs.
-func NewTab() Tab {
-	return newTab()
-}
-
-// 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.
-// Labels are left-aligned. [FUTURE PLANS: For platform-specific horizontal alignment rules, use a Form.]
-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.
-func NewLabel(text string) Label {
-	return newLabel(text)
-}
-
-// Group is a Control that holds a single Control; if that Control also contains other Controls, then the Controls will appear visually grouped together.
-// The appearance of a Group varies from system to system; for the most part a Group consists of a thin frame.
-// All Groups have a text label indicating what the Group is for.
-type Group interface {
-	Control
-
-	// Text and SetText get and set the Group's label text.
-	Text() string
-	SetText(text string)
-
-	// Margined and SetMargined get and set whether the contents of the Group have a margin around them.
-	// The size of the margin is platform-dependent.
-	Margined() bool
-	SetMargined(margined bool)
-}
-
-// NewGroup creates a new Group with the given text label and child Control.
-func NewGroup(text string, control Control) Group {
-	return newGroup(text, control)
-}
-
-// Textbox represents a multi-line text entry box.
-// Text in a Textbox is unformatted, and scrollbars are applied automatically.
-// TODO rename to TextBox? merge with TextField (but cannot use Invalid())? enable/disable line wrapping?
-// TODO events
-// TODO Tab key - insert horizontal tab or tab stop?
-// TODO ReadOnly
-// TODO line endings
-type Textbox interface {
-	Control
-
-	// Text and SetText get and set the Textbox's text.
-	Text() string
-	SetText(text string)
-}
-
-// NewTextbox creates a new Textbox.
-func NewTextbox() Textbox {
-	return newTextbox()
-}
-
-// Spinbox is a Control that provides a text entry field that accepts integers and up and down buttons to increment and decrement those values.
-// This control is in its preliminary state.
-// TODO everything:
-// - TODO set increment? (work on windows)
-// - TODO set page step?
-// - TODO wrapping
-// - TODO negative values
-type Spinbox interface {
-	Control
-
-	// Value and SetValue get and set the current value of the Spinbox, respectively.
-	// For SetValue, if the new value is outside the current range of the Spinbox, it is set to the nearest extremity.
-	Value() int
-	SetValue(value int)
-
-	// OnChanged sets the event handler for when the Spinbox's value is changed.
-	// Under what conditions this event is raised when the user types into the Spinbox's edit field is platform-defined.
-	OnChanged(func())
-}
-
-// NewSpinbox creates a new Spinbox with the given minimum and maximum.
-// The initial value will be the minimum value.
-// NewSpinbox() panics if min > max.
-func NewSpinbox(min int, max int) Spinbox {
-	if min > max {
-		panic("min > max in NewSpinbox()")
-	}
-	return newSpinbox(min, max)
-}
-
-// ProgressBar is a Control that displays a horizontal bar which shows the level of completion of an operation.
-// TODO indetermiante
-type ProgressBar interface {
-	Control
-
-	// Percent and SetPrecent get and set the current percentage indicated by the ProgressBar, respectively.
-	// This value must be between 0 and 100; all other values cause SetPercent to panic.
-	// TODO rename to Progress/SetProgress?
-	Percent() int
-	SetPercent(percent int)
-}
-
-// NewProgressBar creates a new ProgressBar.
-// It will initially show a progress of 0%.
-func NewProgressBar() ProgressBar {
-	return newProgressBar()
-}