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use standard errors when defining package level errors and wrap when percolating up

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This commit is contained in:
Jesse Duffield 2019-02-15 20:50:55 +11:00
parent 985c2f8d59
commit 5d41a21e5c
1 changed files with 13 additions and 10 deletions
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23
gui.go
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@ -5,6 +5,9 @@
package gocui package gocui
import ( import (
standardErrors "errors"
"time"
"github.com/go-errors/errors" "github.com/go-errors/errors"
"github.com/jesseduffield/termbox-go" "github.com/jesseduffield/termbox-go"
@ -12,10 +15,10 @@ import (
var ( var (
// ErrQuit is used to decide if the MainLoop finished successfully. // ErrQuit is used to decide if the MainLoop finished successfully.
ErrQuit = errors.New("quit") ErrQuit = standardErrors.New("quit")
// ErrUnknownView allows to assert if a View must be initialized. // ErrUnknownView allows to assert if a View must be initialized.
ErrUnknownView = errors.New("unknown view") ErrUnknownView = standardErrors.New("unknown view")
) )
// OutputMode represents the terminal's output mode (8 or 256 colors). // OutputMode represents the terminal's output mode (8 or 256 colors).
@ -163,7 +166,7 @@ func (g *Gui) SetView(name string, x0, y0, x1, y1 int, overlaps byte) (*View, er
v.SelBgColor, v.SelFgColor = g.SelBgColor, g.SelFgColor v.SelBgColor, v.SelFgColor = g.SelBgColor, g.SelFgColor
v.Overlaps = overlaps v.Overlaps = overlaps
g.views = append(g.views, v) g.views = append(g.views, v)
return v, ErrUnknownView return v, errors.Wrap(ErrUnknownView, 0)
} }
// SetViewOnTop sets the given view on top of the existing ones. // SetViewOnTop sets the given view on top of the existing ones.
@ -175,7 +178,7 @@ func (g *Gui) SetViewOnTop(name string) (*View, error) {
return v, nil return v, nil
} }
} }
return nil, ErrUnknownView return nil, errors.Wrap(ErrUnknownView, 0)
} }
// SetViewOnBottom sets the given view on bottom of the existing ones. // SetViewOnBottom sets the given view on bottom of the existing ones.
@ -187,7 +190,7 @@ func (g *Gui) SetViewOnBottom(name string) (*View, error) {
return v, nil return v, nil
} }
} }
return nil, ErrUnknownView return nil, errors.Wrap(ErrUnknownView, 0)
} }
// Views returns all the views in the GUI. // Views returns all the views in the GUI.
@ -203,7 +206,7 @@ func (g *Gui) View(name string) (*View, error) {
return v, nil return v, nil
} }
} }
return nil, ErrUnknownView return nil, errors.Wrap(ErrUnknownView, 0)
} }
// ViewByPosition returns a pointer to a view matching the given position, or // ViewByPosition returns a pointer to a view matching the given position, or
@ -216,7 +219,7 @@ func (g *Gui) ViewByPosition(x, y int) (*View, error) {
return v, nil return v, nil
} }
} }
return nil, ErrUnknownView return nil, errors.Wrap(ErrUnknownView, 0)
} }
// ViewPosition returns the coordinates of the view with the given name, or // ViewPosition returns the coordinates of the view with the given name, or
@ -227,7 +230,7 @@ func (g *Gui) ViewPosition(name string) (x0, y0, x1, y1 int, err error) {
return v.x0, v.y0, v.x1, v.y1, nil return v.x0, v.y0, v.x1, v.y1, nil
} }
} }
return 0, 0, 0, 0, ErrUnknownView return 0, 0, 0, 0, errors.Wrap(ErrUnknownView, 0)
} }
// DeleteView deletes a view by name. // DeleteView deletes a view by name.
@ -238,7 +241,7 @@ func (g *Gui) DeleteView(name string) error {
return nil return nil
} }
} }
return ErrUnknownView return errors.Wrap(ErrUnknownView, 0)
} }
// SetCurrentView gives the focus to a given view. // SetCurrentView gives the focus to a given view.
@ -249,7 +252,7 @@ func (g *Gui) SetCurrentView(name string) (*View, error) {
return v, nil return v, nil
} }
} }
return nil, ErrUnknownView return nil, errors.Wrap(ErrUnknownView, 0)
} }
// CurrentView returns the currently focused view, or nil if no view // CurrentView returns the currently focused view, or nil if no view