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termbox-util
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Trying to make menu work the way I want.

This commit is contained in:
Brian Buller 2016-02-24 17:17:09 -06:00
parent c3e595e205
commit 3939050cdb
1 changed files with 19 additions and 41 deletions
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60
termbox_menu.go
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@ -1,7 +1,7 @@
package termboxUtil
import (
"strings"
"strconv"
"github.com/nsf/termbox-go"
)
@ -297,6 +297,7 @@ func (i *Menu) Draw() {
optionStartX = i.x + 1
optionStartY = i.y + 1
optionWidth = i.width - 1
optionHeight -= 2
}
// The title
@ -306,7 +307,9 @@ func (i *Menu) Draw() {
if i.bordered {
FillWithChar('-', optionStartX, optionStartY, optionWidth, optionStartY, i.fg, i.bg)
optionStartY++
optionHeight--
}
optionHeight--
}
if len(i.options) > 0 {
@ -316,20 +319,32 @@ func (i *Menu) Draw() {
}
// Print the options
for idx := range i.options {
selIdx := i.GetSelectedIndex()
printOptions := i.options
startOpts := selIdx - (optionHeight / 2)
endOpts := selIdx + (optionHeight / 2)
for startOpts < 0 {
startOpts++
endOpts++
}
printOptions = printOptions[startOpts:]
for idx := range printOptions { //i.options {
if i.GetSelectedIndex()-idx >= optionHeight-1 {
// Skip this one
continue
}
currOpt := &i.options[idx]
currOpt := &printOptions[idx]
//currOpt := &i.options[idx]
outTxt := currOpt.GetText()
outTxt = strconv.Itoa(startOpts) + "/" + strconv.Itoa(selIdx) + "/" + strconv.Itoa(endOpts) + " - " + outTxt
if len(outTxt) >= i.width {
outTxt = outTxt[:i.width]
}
if currOpt.IsDisabled() {
DrawStringAtPoint(outTxt, optionStartX, optionStartY, i.disabledFg, i.disabledBg)
} else if i.GetSelectedOption() == currOpt {
DrawStringAtPoint(AlignText(outTxt, optionWidth, AlignLeft), optionStartX, optionStartY, i.selectedFg, i.selectedBg)
DrawStringAtPoint(outTxt, optionStartX, optionStartY, i.selectedFg, i.selectedBg)
} else {
DrawStringAtPoint(outTxt, optionStartX, optionStartY, i.fg, i.bg)
}
@ -339,43 +354,6 @@ func (i *Menu) Draw() {
}
}
}
i.DrawOptions(optionStartX, optionStartY, optionHeight, optionWidth)
}
// DrawOptions draws the menu options at x, y
func (i *Menu) DrawOptions(x, y, h, w int) {
DrawStringAtPoint(strings.Repeat("-", w), x, y, i.disabledFg, i.disabledBg)
y++
if len(i.options) > 0 {
// If the currently selected option is disabled, move to the next
if i.GetSelectedOption().IsDisabled() {
i.SelectNextOption()
}
// Print the options
for idx := range i.options {
if i.GetSelectedIndex()-idx >= h-1 {
// Skip this one
continue
}
currOpt := &i.options[idx]
outTxt := currOpt.GetText()
if len(outTxt) >= i.width {
outTxt = outTxt[:i.width]
}
if currOpt.IsDisabled() {
DrawStringAtPoint(outTxt, x, y, i.disabledFg, i.disabledBg)
} else if i.GetSelectedOption() == currOpt {
DrawStringAtPoint(AlignText(outTxt, w, AlignLeft), x, y, i.selectedFg, i.selectedBg)
} else {
DrawStringAtPoint(outTxt, x, y, i.fg, i.bg)
}
y++
if y > i.y+h-1 {
break
}
}
}
}
/* MenuOption Struct & methods */