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package helpers
import (
"time"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/gui/status"
"github.com/jesseduffield/lazygit/pkg/gui/types"
)
type AppStatusHelper struct {
c *HelperCommon
statusMgr func() *status.StatusManager
modeHelper *ModeHelper
}
func NewAppStatusHelper(c *HelperCommon, statusMgr func() *status.StatusManager, modeHelper *ModeHelper) *AppStatusHelper {
return &AppStatusHelper{
c: c,
statusMgr: statusMgr,
modeHelper: modeHelper,
}
}
func (self *AppStatusHelper) Toast(message string, kind types.ToastKind) {
if self.c.RunningIntegrationTest() {
// Don't bother showing toasts in integration tests. You can't check for
// them anyway, and they would only slow down the test unnecessarily by
// two seconds.
return
}
self.statusMgr().AddToastStatus(message, kind)
self.renderAppStatus()
}
// A custom task for WithWaitingStatus calls; it wraps the original one and
// hides the status whenever the task is paused, and shows it again when
// continued.
type appStatusHelperTask struct {
gocui.Task
waitingStatusHandle *status.WaitingStatusHandle
}
// poor man's version of explicitly saying that struct X implements interface Y
var _ gocui.Task = appStatusHelperTask{}
func (self appStatusHelperTask) Pause() {
self.waitingStatusHandle.Hide()
self.Task.Pause()
}
func (self appStatusHelperTask) Continue() {
self.Task.Continue()
self.waitingStatusHandle.Show()
}
// withWaitingStatus wraps a function and shows a waiting status while the function is still executing
func (self *AppStatusHelper) WithWaitingStatus(message string, f func(gocui.Task) error) {
self.c.OnWorker(func(task gocui.Task) error {
return self.statusMgr().WithWaitingStatus(message, self.renderAppStatus, func(waitingStatusHandle *status.WaitingStatusHandle) error {
return f(appStatusHelperTask{task, waitingStatusHandle})
})
})
}
func (self *AppStatusHelper) WithWaitingStatusSync(message string, f func() error) error {
return self.statusMgr().WithWaitingStatus(message, func() {}, func(*status.WaitingStatusHandle) error {
stop := make(chan struct{})
defer func() { close(stop) }()
self.renderAppStatusSync(stop)
return f()
})
}
func (self *AppStatusHelper) HasStatus() bool {
return self.statusMgr().HasStatus()
}
func (self *AppStatusHelper) GetStatusString() string {
appStatus, _ := self.statusMgr().GetStatusString(self.c.UserConfig)
return appStatus
}
func (self *AppStatusHelper) renderAppStatus() {
self.c.OnWorker(func(_ gocui.Task) error {
ticker := time.NewTicker(time.Millisecond * time.Duration(self.c.UserConfig.Gui.Spinner.Rate))
defer ticker.Stop()
for range ticker.C {
appStatus, color := self.statusMgr().GetStatusString(self.c.UserConfig)
self.c.Views().AppStatus.FgColor = color
self.c.OnUIThread(func() error {
self.c.SetViewContent(self.c.Views().AppStatus, appStatus)
return nil
})
if appStatus == "" {
break
}
}
return nil
})
}
func (self *AppStatusHelper) renderAppStatusSync(stop chan struct{}) {
go func() {
ticker := time.NewTicker(time.Millisecond * 50)
defer ticker.Stop()
// Forcing a re-layout and redraw after we added the waiting status;
// this is needed in case the gui.showBottomLine config is set to false,
// to make sure the bottom line appears. It's also useful for redrawing
// once after each of several consecutive keypresses, e.g. pressing
// ctrl-j to move a commit down several steps.
_ = self.c.GocuiGui().ForceLayoutAndRedraw()
self.modeHelper.SetSuppressRebasingMode(true)
defer func() { self.modeHelper.SetSuppressRebasingMode(false) }()
outer:
for {
select {
case <-ticker.C:
appStatus, color := self.statusMgr().GetStatusString(self.c.UserConfig)
self.c.Views().AppStatus.FgColor = color
self.c.SetViewContent(self.c.Views().AppStatus, appStatus)
// Redraw all views of the bottom line:
bottomLineViews := []*gocui.View{
self.c.Views().AppStatus, self.c.Views().Options, self.c.Views().Information,
self.c.Views().StatusSpacer1, self.c.Views().StatusSpacer2,
}
_ = self.c.GocuiGui().ForceRedrawViews(bottomLineViews...)
case <-stop:
break outer
}
}
}()
}
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