54 lines
2.7 KiB
Go
54 lines
2.7 KiB
Go
// 7 february 2014
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package ui
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import (
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// ...
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)
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// sentinel (presently nil; may be a private instance if subtle bugs start showing up in user code)
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var dialogWindow *Window
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// MsgBox displays an informational message box to the user with just an OK button.
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// primaryText should be a short string describing the message, and will be displayed with additional emphasis on platforms that support it.
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// Optionally, secondaryText can be used to show additional information.
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// If you pass an empty string for secondaryText, neither additional information nor space for additional information will be shown.
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// On platforms that allow for the message box window to have a title, os.Args[0] is used.
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//
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// The message box is modal to the entire application: the user cannot interact with any other window until this one is dismissed.
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// Whether or not resizing Windows will still be allowed is implementation-defined; if the implementation does allow it, resizes will still work properly.
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// Whether or not the message box stays above all other W+indows in the program is also implementation-defined.
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func MsgBox(primaryText string, secondaryText string) {
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<-dialogWindow.msgBox(primaryText, secondaryText)
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}
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// MsgBox behaves like the package-scope MsgBox function, except the message box is modal to w only.
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// Attempts to interact with w will be blocked, but all other Windows in the application can still be used properly.
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// The message box will also stay above w.
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// Whether w can be resized while the message box is displayed is implementation-defined, but will work properly if allowed.
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// If w has not yet been created, MsgBox() panics.
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// If w has not been shown yet or is currently hidden, what MsgBox does is implementation-defined.
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//
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// On return, done will be a channel that is pulsed when the message box is dismissed.
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func (w *Window) MsgBox(primaryText string, secondaryText string) (done chan struct{}) {
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if !w.created {
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panic("parent window passed to Window.MsgBox() before it was created")
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}
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return w.msgBox(primaryText, secondaryText)
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}
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// MsgBoxError displays a message box to the user with just an OK button and an icon indicating an error.
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// Otherwise, it behaves like MsgBox.
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func MsgBoxError(primaryText string, secondaryText string) {
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<-dialogWindow.msgBoxError(primaryText, secondaryText)
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}
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// MsgBoxError displays a message box to the user with just an OK button and an icon indicating an error.
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// Otherwise, it behaves like Window.MsgBox.
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func (w *Window) MsgBoxError(primaryText string, secondaryText string) (done chan struct{}) {
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if !w.created {
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panic("parent window passed to MsgBoxError() before it was created")
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}
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return w.msgBoxError(primaryText, secondaryText)
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}
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