frontend

Documentation

Index

• type Calls
• type DialogType
• type Dispatcher
• type Events
• type FileFilter
• type Frontend
• type MessageDialogOptions
• type OpenDialogOptions
• type SaveDialogOptions
• type Screen

Types

type Calls

type Calls interface {
	Callback(string)
}

type DialogType

type DialogType string

const (
	InfoDialog     DialogType = "info"
	WarningDialog  DialogType = "warning"
	ErrorDialog    DialogType = "error"
	QuestionDialog DialogType = "question"
)

type Dispatcher

type Dispatcher interface {
	ProcessMessage(message string, sender Frontend) (string, error)
}

type Events

type Events interface {
	On(eventName string, callback func(...interface{})) func()
	OnMultiple(eventName string, callback func(...interface{}), counter int) func()
	Once(eventName string, callback func(...interface{})) func()
	Emit(eventName string, data ...interface{})
	Off(eventName string)
	OffAll()
	Notify(sender Frontend, name string, data ...interface{})
}

type FileFilter

type FileFilter struct {
	DisplayName string // Filter information EG: "Image Files (*.jpg, *.png)"
	Pattern     string // semicolon separated list of extensions, EG: "*.jpg;*.png"
}

FileFilter defines a filter for dialog boxes

type Frontend

type Frontend interface {
	Run(context.Context) error
	RunMainLoop()
	ExecJS(js string)
	Hide()
	Show()
	Quit()

	// Dialog
	OpenFileDialog(dialogOptions OpenDialogOptions) (string, error)
	OpenMultipleFilesDialog(dialogOptions OpenDialogOptions) ([]string, error)
	OpenDirectoryDialog(dialogOptions OpenDialogOptions) (string, error)
	SaveFileDialog(dialogOptions SaveDialogOptions) (string, error)
	MessageDialog(dialogOptions MessageDialogOptions) (string, error)

	// Window
	WindowSetTitle(title string)
	WindowShow()
	WindowHide()
	WindowCenter()
	WindowToggleMaximise()
	WindowMaximise()
	WindowUnmaximise()
	WindowMinimise()
	WindowUnminimise()
	WindowSetAlwaysOnTop(b bool)
	WindowSetPosition(x int, y int)
	WindowGetPosition() (int, int)
	WindowSetSize(width int, height int)
	WindowGetSize() (int, int)
	WindowSetMinSize(width int, height int)
	WindowSetMaxSize(width int, height int)
	WindowFullscreen()
	WindowUnfullscreen()
	WindowSetBackgroundColour(col *options.RGBA)
	WindowReload()
	WindowReloadApp()
	WindowSetSystemDefaultTheme()
	WindowSetLightTheme()
	WindowSetDarkTheme()
	WindowIsMaximised() bool
	WindowIsMinimised() bool
	WindowIsNormal() bool
	WindowIsFullscreen() bool
	WindowClose()

	//Screen
	ScreenGetAll() ([]Screen, error)

	// Menus
	MenuSetApplicationMenu(menu *menu.Menu)
	MenuUpdateApplicationMenu()

	// Events
	Notify(name string, data ...interface{})

	// Browser
	BrowserOpenURL(url string)
}

type MessageDialogOptions

type MessageDialogOptions struct {
	Type          DialogType
	Title         string
	Message       string
	Buttons       []string
	DefaultButton string
	CancelButton  string
	Icon          []byte
}

MessageDialogOptions contains the options for the Message dialogs, EG Info, Warning, etc runtime methods

type OpenDialogOptions

type OpenDialogOptions struct {
	DefaultDirectory           string
	DefaultFilename            string
	Title                      string
	Filters                    []FileFilter
	ShowHiddenFiles            bool
	CanCreateDirectories       bool
	ResolvesAliases            bool
	TreatPackagesAsDirectories bool
}

OpenDialogOptions contains the options for the OpenDialogOptions runtime method

type SaveDialogOptions

type SaveDialogOptions struct {
	DefaultDirectory           string
	DefaultFilename            string
	Title                      string
	Filters                    []FileFilter
	ShowHiddenFiles            bool
	CanCreateDirectories       bool
	TreatPackagesAsDirectories bool
}

SaveDialogOptions contains the options for the SaveDialog runtime method

type Screen

type Screen struct {
	IsCurrent bool `json:"isCurrent"`
	IsPrimary bool `json:"isPrimary"`
	Width     int  `json:"width"`
	Height    int  `json:"height"`
}