mirror of
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synced 2026-08-28 10:15:32 -05:00
77 lines
2.3 KiB
Go
77 lines
2.3 KiB
Go
package controllers
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import (
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"fmt"
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"math"
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"github.com/jesseduffield/lazygit/pkg/gui/types"
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)
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// This controller lets you change the context size for diffs. The 'context' in 'context size' refers to the conventional meaning of the word 'context' in a diff, as opposed to lazygit's own idea of a 'context'.
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type ContextLinesController struct {
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baseController
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c *ControllerCommon
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}
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var _ types.IController = &ContextLinesController{}
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func NewContextLinesController(
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c *ControllerCommon,
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) *ContextLinesController {
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return &ContextLinesController{
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baseController: baseController{},
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c: c,
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}
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}
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func (self *ContextLinesController) GetKeybindings(opts types.KeybindingsOpts) []*types.Binding {
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bindings := []*types.Binding{
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{
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Keys: opts.GetKeys(opts.Config.Universal.IncreaseContextInDiffView),
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Handler: self.Increase,
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Description: self.c.Tr.IncreaseContextInDiffView,
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Tooltip: self.c.Tr.IncreaseContextInDiffViewTooltip,
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},
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{
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Keys: opts.GetKeys(opts.Config.Universal.DecreaseContextInDiffView),
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Handler: self.Decrease,
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Description: self.c.Tr.DecreaseContextInDiffView,
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Tooltip: self.c.Tr.DecreaseContextInDiffViewTooltip,
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},
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}
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return bindings
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}
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func (self *ContextLinesController) Context() types.Context {
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return nil
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}
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func (self *ContextLinesController) Increase() error {
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if self.c.UserConfig().Git.DiffContextSize < math.MaxUint64 {
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self.c.UserConfig().Git.DiffContextSize++
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}
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return self.applyChange()
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}
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func (self *ContextLinesController) Decrease() error {
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if self.c.UserConfig().Git.DiffContextSize > 0 {
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self.c.UserConfig().Git.DiffContextSize--
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}
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return self.applyChange()
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}
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func (self *ContextLinesController) applyChange() error {
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self.c.Toast(fmt.Sprintf(self.c.Tr.DiffContextSizeChanged, self.c.UserConfig().Git.DiffContextSize))
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currentContext := self.c.Context().CurrentSide()
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// The diff is about to be rendered again with more or less context around
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// each change, which reads as the lines you were looking at moving up or down
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// the view; keep them where they are instead.
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self.c.Helpers().DiffLine.PreserveDiffPositionOnRerender(self.c.Contexts().Normal.GetView())
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self.c.Helpers().DiffLine.PreserveDiffPositionOnRerender(self.c.Contexts().NormalSecondary.GetView())
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currentContext.HandleRenderToMain()
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return nil
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}
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