mirror of https://github.com/jroimartin/gocui.git
Simplify demo2. Add Gui.CurrentView(). Fix keybindings
This commit is contained in:
Roi Martin (@nibble_ds)
parent
7cc82f809e
commit
46b1452e71
148
_demos/demo2.go
148
_demos/demo2.go
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@ -12,24 +12,12 @@ import (
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"github.com/jroimartin/gocui"
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)
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func focusMain(g *gocui.Gui, v *gocui.View) error {
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func nextView(g *gocui.Gui, v *gocui.View) error {
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currentView := g.CurrentView()
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if currentView == nil || currentView.Name() == "side" {
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return g.SetCurrentView("main")
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}
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func focusSide(g *gocui.Gui, v *gocui.View) error {
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return g.SetCurrentView("side")
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}
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func focusCmdLine(g *gocui.Gui, v *gocui.View) error {
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return g.SetCurrentView("cmdline")
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}
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func showHideCursor(g *gocui.Gui, v *gocui.View) error {
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g.ShowCursor = !g.ShowCursor
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return nil
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}
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func cursorDown(g *gocui.Gui, v *gocui.View) error {
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@ -84,49 +72,6 @@ func cursorRight(g *gocui.Gui, v *gocui.View) error {
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return nil
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}
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func clear(g *gocui.Gui, v *gocui.View) error {
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if v != nil {
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v.Clear()
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}
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return nil
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}
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func writeTest(g *gocui.Gui, v *gocui.View) error {
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if v != nil {
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fmt.Fprintln(v, "This is a test")
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}
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return nil
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}
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func showMsg(g *gocui.Gui, v *gocui.View) error {
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maxX, maxY := g.Size()
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if v, err := g.SetView("msg", maxX/2-10, maxY/2-10, maxX/2+10, maxY/2+10); err != nil {
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if err != gocui.ErrorUnkView {
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return err
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}
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fmt.Fprintln(v, "This is a message")
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}
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if err := g.SetCurrentView("msg"); 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 delMsg(g *gocui.Gui, v *gocui.View) error {
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g.DeleteView("msg")
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return nil
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}
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func setLayout1(g *gocui.Gui, v *gocui.View) error {
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g.SetLayout(layout)
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return nil
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}
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func setLayout2(g *gocui.Gui, v *gocui.View) error {
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g.SetLayout(layout2)
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return nil
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}
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func getLine(g *gocui.Gui, v *gocui.View) error {
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var l string
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var err error
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@ -142,40 +87,32 @@ func getLine(g *gocui.Gui, v *gocui.View) error {
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return err
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}
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fmt.Fprintln(v, l)
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if err := g.SetCurrentView("msg"); err != nil {
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return err
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}
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}
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return nil
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}
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func getWord(g *gocui.Gui, v *gocui.View) error {
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var w string
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var err error
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cx, cy := v.Cursor()
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if w, err = v.Word(cx, cy); err != nil {
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func delMsg(g *gocui.Gui, v *gocui.View) error {
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if err := g.DeleteView("msg"); err != nil {
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return err
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}
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maxX, maxY := g.Size()
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if v, err := g.SetView("msg", maxX/2-30, maxY/2, maxX/2+30, maxY/2+2); err != nil {
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if err != gocui.ErrorUnkView {
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if err := g.SetCurrentView("side"); err != nil {
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return err
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}
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fmt.Fprintf(v, "\"%s\"", w)
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}
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return nil
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}
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func quit(g *gocui.Gui, v *gocui.View) error {
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return gocui.ErrorQuit
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}
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func keybindings(g *gocui.Gui) error {
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if err := g.SetKeybinding("", gocui.KeyCtrlSpace, 0, focusMain); err != nil {
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if err := g.SetKeybinding("side", gocui.KeyCtrlSpace, 0, nextView); err != nil {
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return err
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}
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if err := g.SetKeybinding("", gocui.KeyCtrlS, 0, focusSide); err != nil {
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return err
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}
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if err := g.SetKeybinding("", gocui.KeyCtrlL, 0, focusCmdLine); err != nil {
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return err
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}
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if err := g.SetKeybinding("", 'c', gocui.ModAlt, showHideCursor); err != nil {
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if err := g.SetKeybinding("main", gocui.KeyCtrlSpace, 0, nextView); err != nil {
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return err
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}
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if err := g.SetKeybinding("", gocui.KeyArrowDown, 0, cursorDown); err != nil {
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@ -193,44 +130,19 @@ func keybindings(g *gocui.Gui) error {
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if err := g.SetKeybinding("", gocui.KeyCtrlC, 0, quit); err != nil {
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return err
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}
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if err := g.SetKeybinding("main", 'q', 0, quit); err != nil {
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if err := g.SetKeybinding("side", gocui.KeyEnter, 0, getLine); err != nil {
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return err
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}
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if err := g.SetKeybinding("", 'c', 0, clear); err != nil {
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return err
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}
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if err := g.SetKeybinding("", 't', 0, writeTest); err != nil {
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return err
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}
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if err := g.SetKeybinding("", '1', 0, setLayout1); err != nil {
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return err
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}
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if err := g.SetKeybinding("", '2', 0, setLayout2); err != nil {
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return err
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}
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if err := g.SetKeybinding("", '3', 0, showMsg); err != nil {
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return err
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}
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if err := g.SetKeybinding("", '4', 0, delMsg); err != nil {
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return err
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}
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if err := g.SetKeybinding("", '9', 0, getWord); err != nil {
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return err
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}
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if err := g.SetKeybinding("", '0', 0, getLine); err != nil {
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if err := g.SetKeybinding("msg", gocui.KeyEnter, 0, delMsg); 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 quit(g *gocui.Gui, v *gocui.View) error {
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return gocui.ErrorQuit
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}
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func layout(g *gocui.Gui) error {
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maxX, maxY := g.Size()
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if v, err := g.SetView("side", -1, -1, 30, maxY-5); err != nil {
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if v, err := g.SetView("side", -1, -1, 30, maxY); err != nil {
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if err != gocui.ErrorUnkView {
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return err
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}
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@ -240,7 +152,7 @@ func layout(g *gocui.Gui) error {
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fmt.Fprintln(v, "Item 3")
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fmt.Fprintln(v, "Item 4")
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}
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if v, err := g.SetView("main", 30, -1, maxX, maxY-5); err != nil {
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if v, err := g.SetView("main", 30, -1, maxX, maxY); err != nil {
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if err != gocui.ErrorUnkView {
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return err
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}
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@ -249,28 +161,8 @@ func layout(g *gocui.Gui) error {
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panic(err)
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}
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fmt.Fprintf(v, "%s", b)
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if err := g.SetCurrentView("main"); err != nil {
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return err
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}
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}
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if v, err := g.SetView("cmdline", -1, maxY-5, maxX, maxY); err != nil {
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if err != gocui.ErrorUnkView {
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return err
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}
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v.Editable = true
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fmt.Fprintln(v, "Command line test")
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}
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return nil
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}
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func layout2(g *gocui.Gui) error {
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maxX, maxY := g.Size()
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if v, err := g.SetView("center", maxX/2-10, maxY/2-10, maxX/2+10, maxY/2+10); err != nil {
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if err != gocui.ErrorUnkView {
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return err
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}
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fmt.Fprintln(v, "Center view test")
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if err := g.SetCurrentView("center"); err != nil {
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if err := g.SetCurrentView("main"); err != nil {
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return err
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}
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}
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10
gui.go
10
gui.go
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@ -151,6 +151,12 @@ func (g *Gui) SetCurrentView(name string) error {
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return ErrorUnkView
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}
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// Current View returns the currently focused view, or nil if no view
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// owns the focus.
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func (g *Gui) CurrentView() *View {
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return g.currentView
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}
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// SetKeybinding creates a new keybinding. If viewname equals to ""
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// (empty string) then the keybinding will apply to all views. key must
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// be a rune or a Key.
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@ -423,9 +429,7 @@ func (g *Gui) onKey(ev *termbox.Event) error {
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for _, kb := range g.keybindings {
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if kb.h != nil && ev.Ch == kb.ch && Key(ev.Key) == kb.key && Modifier(ev.Mod) == kb.mod &&
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(kb.viewName == "" || (g.currentView != nil && kb.viewName == g.currentView.name)) {
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if err := kb.h(g, g.currentView); err != nil {
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return err
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}
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return kb.h(g, g.currentView)
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}
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}
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return nil
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