brian/termbox-util
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Making the menu widget better

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This commit is contained in:
Brian Buller 2020-02-06 10:26:52 -06:00
parent c168c0df31
commit f403b69188
1 changed files with 39 additions and 20 deletions
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49
termbox_menu.go
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@ -14,12 +14,15 @@ type Menu struct {
bg, fg termbox.Attribute
selectedBg, selectedFg termbox.Attribute
disabledBg, disabledFg termbox.Attribute
selectedDisabledBg termbox.Attribute
selectedDisabledFg termbox.Attribute
activeFg, activeBg termbox.Attribute
isDone bool
bordered bool
vimMode bool
tabSkip bool
active bool
canSelectDisabled bool
}
// CreateMenu Creates a menu with the specified attributes
@ -189,12 +192,14 @@ func (c *Menu) SelectPrevOption() {
for idx >= 0 {
idx--
testOption := c.GetOptionFromIndex(idx)
if testOption != nil && !testOption.IsDisabled() {
if testOption != nil {
if c.canSelectDisabled || !testOption.IsDisabled() {
c.SetSelectedOption(testOption)
return
}
}
}
}
// SelectNextOption Increments the selected option (if it can)
func (c *Menu) SelectNextOption() {
@ -202,12 +207,14 @@ func (c *Menu) SelectNextOption() {
for idx < len(c.options) {
idx++
testOption := c.GetOptionFromIndex(idx)
if testOption != nil && !testOption.IsDisabled() {
if testOption != nil {
if c.canSelectDisabled || !testOption.IsDisabled() {
c.SetSelectedOption(testOption)
return
}
}
}
}
// SelectPageUpOption Goes up 'menu height' options
func (c *Menu) SelectPageUpOption() {
@ -265,21 +272,25 @@ func (c *Menu) ShowHelp(b bool) {
c.showHelp = b
}
// GetFgColor returns the foreground color
func (c *Menu) GetFgColor() termbox.Attribute { return c.fg }
// SetFgColor sets the foreground color
func (c *Menu) SetFgColor(fg termbox.Attribute) {
c.fg = fg
}
// GetBgColor returns the background color
func (c *Menu) SetFgColor(fg termbox.Attribute) { c.fg = fg }
func (c *Menu) GetBgColor() termbox.Attribute { return c.bg }
func (c *Menu) SetBgColor(bg termbox.Attribute) { c.bg = bg }
// SetBgColor sets the current background color
func (c *Menu) SetBgColor(bg termbox.Attribute) {
c.bg = bg
}
func (c *Menu) GetSelectedFgColor() termbox.Attribute { return c.selectedFg }
func (c *Menu) SetSelectedFgColor(fg termbox.Attribute) { c.selectedFg = fg }
func (c *Menu) GetSelectedBgColor() termbox.Attribute { return c.selectedBg }
func (c *Menu) SetSelectedBgColor(bg termbox.Attribute) { c.selectedBg = bg }
func (c *Menu) GetSelectedDisabledFgColor() termbox.Attribute { return c.selectedDisabledFg }
func (c *Menu) SetSelectedDisabledFgColor(fg termbox.Attribute) { c.selectedDisabledFg = fg }
func (c *Menu) GetSelectedDisabledBgColor() termbox.Attribute { return c.selectedDisabledBg }
func (c *Menu) SetSelectedDisabledBgColor(bg termbox.Attribute) { c.selectedDisabledBg = bg }
func (c *Menu) GetDisabledFgColor() termbox.Attribute { return c.disabledFg }
func (c *Menu) SetDisabledFgColor(fg termbox.Attribute) { c.disabledFg = fg }
func (c *Menu) GetDisabledBgColor() termbox.Attribute { return c.disabledBg }
func (c *Menu) SetDisabledBgColor(bg termbox.Attribute) { c.disabledBg = bg }
// IsDone returns whether the user has answered the modal
func (c *Menu) IsDone() bool { return c.isDone }
@ -307,6 +318,10 @@ func (c *Menu) DisableVimMode() {
c.vimMode = false
}
func (c *Menu) SetCanSelectDisabled(b bool) {
c.canSelectDisabled = b
}
// HandleEvent handles the termbox event and returns whether it was consumed
func (c *Menu) HandleEvent(event termbox.Event) bool {
if event.Key == termbox.KeyEnter || event.Key == termbox.KeySpace {
@ -391,11 +406,15 @@ func (c *Menu) Draw() {
firstDispIdx = c.GetSelectedIndex() - (c.height - 2)
lastDispIdx = c.GetSelectedIndex()
}
for idx := firstDispIdx; idx < lastDispIdx; idx++ {
for idx := firstDispIdx; idx < lastDispIdx+1; idx++ {
currOpt := &c.options[idx]
outTxt := currOpt.GetText()
if currOpt.IsDisabled() {
if c.GetSelectedOption() == currOpt {
DrawStringAtPoint(outTxt, optionStartX, optionStartY, c.selectedDisabledFg, c.selectedDisabledBg)
} else {
DrawStringAtPoint(outTxt, optionStartX, optionStartY, c.disabledFg, c.disabledBg)
}
} else if c.GetSelectedOption() == currOpt {
DrawStringAtPoint(outTxt, optionStartX, optionStartY, c.selectedFg, c.selectedBg)
} else {