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Code Issues Projects Releases Wiki Activity

Implement View.SetCursor()

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This commit is contained in:
Roi Martin (@nibble_ds) 2014-01-06 18:36:38 +01:00
parent e9c0f38143
commit 82ad9fa4ba
3 changed files with 58 additions and 3 deletions
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45
_demos/demo2.go
View File

@ -40,6 +40,34 @@ func showHideCursor(g *gocui.Gui, v *gocui.View) error {
}
func cursorDown(g *gocui.Gui, v *gocui.View) error {
if v != nil {
v.SetCursor(v.CX, v.CY+1)
}
return nil
}
func cursorUp(g *gocui.Gui, v *gocui.View) error {
if v != nil {
v.SetCursor(v.CX, v.CY-1)
}
return nil
}
func cursorLeft(g *gocui.Gui, v *gocui.View) error {
if v != nil {
v.SetCursor(v.CX-1, v.CY)
}
return nil
}
func cursorRight(g *gocui.Gui, v *gocui.View) error {
if v != nil {
v.SetCursor(v.CX+1, v.CY)
}
return nil
}
func keybindings(g *gocui.Gui) error {
if err := g.SetKeybinding("", gocui.KeyCtrlM, 0, focusMain); err != nil {
return err
@ -50,15 +78,28 @@ func keybindings(g *gocui.Gui) error {
if err := g.SetKeybinding("", gocui.KeyCtrlL, 0, focusCmdLine); err != nil {
return err
}
if err := g.SetKeybinding("", gocui.KeyCtrlC, 0, quit); err != nil {
if err := g.SetKeybinding("", 'c', gocui.ModAlt, showHideCursor); err != nil {
return err
}
if err := g.SetKeybinding("", 'c', gocui.ModAlt, showHideCursor); err != nil {
if err := g.SetKeybinding("", 'j', 0, cursorDown); err != nil {
return err
}
if err := g.SetKeybinding("", 'k', 0, cursorUp); err != nil {
return err
}
if err := g.SetKeybinding("", 'h', 0, cursorLeft); err != nil {
return err
}
if err := g.SetKeybinding("", 'l', 0, cursorRight); err != nil {
return err
}
if err := g.SetKeybinding("main", gocui.KeyCtrlC, 0, quit); err != nil {
return err
}
if err := g.SetKeybinding("main", 'q', 0, quit); err != nil {
return err
}
return nil
}

2
gui.go
View File

@ -348,7 +348,7 @@ func (g *Gui) onKey(ev *termbox.Event) (err error) {
for _, kb := range g.keybindings {
if ev.Ch == kb.Ch && Key(ev.Key) == kb.Key && Modifier(ev.Mod) == kb.Mod &&
(kb.ViewName == "" || (g.CurrentView != nil && kb.ViewName == g.CurrentView.Name)) {
if err := kb.CB(g, nil); err != nil {
if err := kb.CB(g, g.CurrentView); err != nil {
return err
}
}

14
view.go
View File

@ -1,6 +1,7 @@
package gocui
import (
"errors"
"github.com/nsf/termbox-go"
)
@ -26,3 +27,16 @@ func NewView(name string, x0, y0, x1, y1 int) (v *View) {
}
return v
}
func (v *View) SetCursor(x, y int) (err error) {
if x < 0 || v.X0+x+1 >= v.X1 || y < 0 || v.Y0+y+1 >= v.Y1 {
return errors.New("invalid point")
}
v.CX = x
v.CY = y
return nil
}
func (v *View) Write(p []byte) (n int, err error) {
return 0, nil
}