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// Copyright 2010 The Walk Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build windows
package walk
import (
"runtime"
"sync"
"time"
"github.com/lxn/win"
)
type Settings interface {
Get(key string) (string, bool)
Timestamp(key string) (time.Time, bool)
Put(key, value string) error
PutExpiring(key, value string) error
Remove(key string) error
ExpireDuration() time.Duration
SetExpireDuration(expireDuration time.Duration)
Load() error
Save() error
}
type Persistable interface {
Persistent() bool
SetPersistent(value bool)
SaveState() error
RestoreState() error
}
type Application struct {
mutex sync.RWMutex
organizationName string
productName string
settings Settings
exiting bool
exitCode int
panickingPublisher ErrorEventPublisher
}
var appSingleton *Application = new(Application)
func App() *Application {
return appSingleton
}
func (app *Application) OrganizationName() string {
app.mutex.RLock()
defer app.mutex.RUnlock()
return app.organizationName
}
func (app *Application) SetOrganizationName(value string) {
app.mutex.Lock()
defer app.mutex.Unlock()
app.organizationName = value
}
func (app *Application) ProductName() string {
app.mutex.RLock()
defer app.mutex.RUnlock()
return app.productName
}
func (app *Application) SetProductName(value string) {
app.mutex.Lock()
defer app.mutex.Unlock()
app.productName = value
}
func (app *Application) Settings() Settings {
app.mutex.RLock()
defer app.mutex.RUnlock()
return app.settings
}
func (app *Application) SetSettings(value Settings) {
app.mutex.Lock()
defer app.mutex.Unlock()
app.settings = value
}
func (app *Application) Exit(exitCode int) {
app.mutex.Lock()
defer app.mutex.Unlock()
app.exiting = true
app.exitCode = exitCode
win.PostQuitMessage(int32(exitCode))
}
func (app *Application) ExitCode() int {
app.mutex.RLock()
defer app.mutex.RUnlock()
return app.exitCode
}
func (app *Application) Panicking() *ErrorEvent {
app.mutex.RLock()
defer app.mutex.RUnlock()
return app.panickingPublisher.Event()
}
// ActiveForm returns the currently active form for the caller's thread.
// It returns nil if no form is active or the caller's thread does not
// have any windows associated with it. It should be called from within
// synchronized functions.
func (app *Application) ActiveForm() Form {
runtime.LockOSThread()
defer runtime.UnlockOSThread()
tid := win.GetCurrentThreadId()
group := wgm.Group(tid)
if group == nil {
return nil
}
return group.ActiveForm()
}
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