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-rw-r--r--newctrl/basicctrls.go123
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-// 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)
-}
-
-// 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)
-}