mirror of
https://github.com/jesseduffield/lazygit.git
synced 2024-12-14 11:23:09 +02:00
127 lines
3.1 KiB
Go
127 lines
3.1 KiB
Go
package gui
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import (
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"os/exec"
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"strings"
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"github.com/jesseduffield/gocui"
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"github.com/jesseduffield/lazygit/pkg/tasks"
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)
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func (gui *Gui) newCmdTask(view *gocui.View, cmd *exec.Cmd, prefix string) error {
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cmdStr := strings.Join(cmd.Args, " ")
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gui.Log.WithField(
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"command",
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cmdStr,
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).Debug("RunCommand")
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_, height := view.Size()
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_, oy := view.Origin()
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manager := gui.getManager(view)
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r, err := cmd.StdoutPipe()
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if err != nil {
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return err
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}
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cmd.Stderr = cmd.Stdout
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if err := cmd.Start(); err != nil {
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return err
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}
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if err := manager.NewTask(manager.NewCmdTask(r, cmd, prefix, height+oy+10, nil), cmdStr); err != nil {
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return err
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}
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return nil
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}
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func (gui *Gui) newStringTask(view *gocui.View, str string) error {
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// using str so that if rendering the exact same thing we don't reset the origin
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return gui.newStringTaskWithKey(view, str, str)
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}
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func (gui *Gui) newStringTaskWithoutScroll(view *gocui.View, str string) error {
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manager := gui.getManager(view)
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f := func(stop chan struct{}) error {
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gui.setViewContent(view, str)
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return nil
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}
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// Using empty key so that on subsequent calls we won't reset the view's origin.
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// Note this means that we will be scrolling back to the top if we're switching from a different key
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if err := manager.NewTask(f, ""); err != nil {
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return err
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}
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return nil
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}
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func (gui *Gui) newStringTaskWithKey(view *gocui.View, str string, key string) error {
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manager := gui.getManager(view)
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f := func(stop chan struct{}) error {
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gui.renderString(view, str)
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return nil
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}
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if err := manager.NewTask(f, key); err != nil {
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return err
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}
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return nil
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}
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func (gui *Gui) getManager(view *gocui.View) *tasks.ViewBufferManager {
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manager, ok := gui.viewBufferManagerMap[view.Name()]
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if !ok {
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manager = tasks.NewViewBufferManager(
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gui.Log,
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view,
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func() {
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// we could clear here, but that actually has the effect of causing a flicker
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// where the view may contain no content momentarily as the gui refreshes.
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// Instead, we're rewinding the write pointer so that we will just start
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// overwriting the existing content from the top down. Once we've reached
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// the end of the content do display, we call view.FlushStaleCells() to
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// clear out the remaining content from the previous render.
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view.Reset()
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},
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func() {
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gui.g.Update(func(*gocui.Gui) error {
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return nil
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})
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},
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func() {
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// Need to check if the content of the view is well past the origin.
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// It would be better to use .ViewLinesHeight here (given it considers
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// wrapping) but when this function is called they haven't been written to yet.
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linesHeight := view.LinesHeight()
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_, height := view.Size()
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_, originY := view.Origin()
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if linesHeight < originY {
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newOriginY := linesHeight - height
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if newOriginY < 0 {
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newOriginY = 0
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}
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err := view.SetOrigin(0, newOriginY)
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if err != nil {
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panic(err)
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}
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}
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view.FlushStaleCells()
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},
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func() {
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_ = view.SetOrigin(0, 0)
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},
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)
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gui.viewBufferManagerMap[view.Name()] = manager
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}
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return manager
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}
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