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mirror of https://github.com/br0xen/termbox-util.git synced 2024-11-22 13:33:15 +00:00

Several Changes

Menu is better now
InputModal too.
Added AlertModal, for when you just need to say something.
This commit is contained in:
Brian Buller 2016-01-27 13:42:00 -06:00
parent e173cdcce0
commit 204d7b6f63
3 changed files with 190 additions and 9 deletions

166
termbox_alertmodal.go Normal file
View File

@ -0,0 +1,166 @@
package termboxUtil
import (
"github.com/nsf/termbox-go"
)
// AlertModal is a modal with yes/no (or similar) buttons
type AlertModal struct {
title string
text string
x, y, width, height int
showHelp bool
cursor int
bg, fg termbox.Attribute
isDone bool
accepted bool
value string
isVisible bool
}
// CreateAlertModal Creates a confirmation modal with the specified attributes
func CreateAlertModal(title string, x, y, width, height int, fg, bg termbox.Attribute) *AlertModal {
i := AlertModal{title: title, x: x, y: y, width: width, height: height, fg: fg, bg: bg}
if i.title == "" && i.text == "" {
i.title = "Alert!"
}
i.showHelp = true
return &i
}
// GetTitle returns the current title of the modal
func (i *AlertModal) GetTitle() string { return i.title }
// SetTitle sets the current title of the modal to s
func (i *AlertModal) SetTitle(s string) {
i.title = s
}
// GetText returns the current text of the modal
func (i *AlertModal) GetText() string { return i.text }
// SetText sets the text of the modal to s
func (i *AlertModal) SetText(s string) {
i.text = s
}
// GetX returns the current x coordinate of the modal
func (i *AlertModal) GetX() int { return i.x }
// SetX sets the current x coordinate of the modal to x
func (i *AlertModal) SetX(x int) {
i.x = x
}
// GetY returns the current y coordinate of the modal
func (i *AlertModal) GetY() int { return i.y }
// SetY sets the current y coordinate of the modal to y
func (i *AlertModal) SetY(y int) {
i.y = y
}
// GetWidth returns the current width of the modal
func (i *AlertModal) GetWidth() int { return i.width }
// SetWidth sets the current modal width to width
func (i *AlertModal) SetWidth(width int) {
i.width = width
}
// GetHeight returns the current height of the modal
func (i *AlertModal) GetHeight() int { return i.height }
// SetHeight set the height of the modal to height
func (i *AlertModal) SetHeight(height int) {
i.height = height
}
// HelpIsShown returns true or false if the help is displayed
func (i *AlertModal) HelpIsShown() bool { return i.showHelp }
// ShowHelp sets whether or not to display the help text
func (i *AlertModal) ShowHelp(b bool) {
i.showHelp = b
}
// GetBackground returns the current background color
func (i *AlertModal) GetBackground() termbox.Attribute { return i.bg }
// SetBackground sets the background color to bg
func (i *AlertModal) SetBackground(bg termbox.Attribute) {
i.bg = bg
}
// GetForeground returns the current foreground color
func (i *AlertModal) GetForeground() termbox.Attribute { return i.fg }
// SetForeground sets the current foreground color to fg
func (i *AlertModal) SetForeground(fg termbox.Attribute) {
i.fg = fg
}
// IsDone returns whether the user has answered the modal
func (i *AlertModal) IsDone() bool { return i.isDone }
// SetDone sets whether the modal has completed it's purpose
func (i *AlertModal) SetDone(b bool) {
i.isDone = b
}
// Show sets the visibility flag of the modal to true
func (i *AlertModal) Show() {
i.isVisible = true
}
// Hide sets the visibility flag of the modal to false
func (i *AlertModal) Hide() {
i.isVisible = false
}
// IsAccepted returns whether the user accepted the modal
func (i *AlertModal) IsAccepted() bool { return i.accepted }
// Clear clears all of the non-positional parameters of the modal
func (i *AlertModal) Clear() {
i.title = ""
i.text = ""
i.accepted = false
i.isDone = false
}
// HandleKeyPress handles the termbox event and returns whether it was consumed
func (i *AlertModal) HandleKeyPress(event termbox.Event) bool {
if event.Key == termbox.KeyEnter {
i.isDone = true
return true
}
return false
}
// Draw draws the modal
func (i *AlertModal) Draw() {
// First blank out the area we'll be putting the modal
FillWithChar(' ', i.x, i.y, i.x+i.width, i.y+i.height, i.fg, i.bg)
// Now draw the border
DrawBorder(i.x, i.y, i.x+i.width, i.y+i.height, i.fg, i.bg)
nextY := i.y + 1
// The title
if i.title != "" {
DrawStringAtPoint(i.title, i.x+1, nextY, i.fg, i.bg)
nextY++
FillWithChar('-', i.x+1, nextY, i.x+i.width-1, nextY, i.fg, i.bg)
nextY++
}
if i.text != "" {
DrawStringAtPoint(i.text, i.x+1, nextY, i.fg, i.bg)
nextY++
}
nextY += 2
if i.showHelp {
helpString := "Press Enter to Continue"
helpX := (i.x + i.width) - len(helpString) - 1
DrawStringAtPoint(helpString, helpX, nextY, i.fg, i.bg)
}
}

View File

@ -23,6 +23,7 @@ func CreateInputModal(title string, x, y, width, height int, fg, bg termbox.Attr
i.input = CreateInputField(i.x+1, i.y+3, i.width-2, 2, i.fg, i.bg)
i.showHelp = true
i.input.bordered = true
i.isVisible = true
return &i
}

View File

@ -60,6 +60,7 @@ func (i *Menu) SetOptionsFromStrings(opts []string) {
newOpts = append(newOpts, *CreateOptionFromText(v))
}
i.SetOptions(newOpts)
i.SetSelectedOption(i.GetOptionFromIndex(0))
}
// GetX returns the current x coordinate of the menu
@ -152,6 +153,7 @@ func (i *Menu) SelectPrevOption() {
testOption := i.GetOptionFromIndex(idx)
if testOption != nil && !testOption.IsDisabled() {
i.SetSelectedOption(testOption)
return
}
}
}
@ -164,6 +166,7 @@ func (i *Menu) SelectNextOption() {
testOption := i.GetOptionFromIndex(idx)
if testOption != nil && !testOption.IsDisabled() {
i.SetSelectedOption(testOption)
return
}
}
}
@ -292,23 +295,34 @@ func (i *Menu) Draw() {
}
}
// If the currently selected option is disabled, move to the next
if i.GetSelectedOption().IsDisabled() {
i.SelectNextOption()
}
// Print the options
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 >= optionHeight-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(currOpt.GetText(), optionStartX, optionStartY, i.disabledFg, i.disabledBg)
DrawStringAtPoint(outTxt, optionStartX, optionStartY, i.disabledFg, i.disabledBg)
} else if i.GetSelectedOption() == currOpt {
DrawStringAtPoint(AlignText(currOpt.GetText(), optionWidth, AlignLeft), optionStartX, optionStartY, i.selectedFg, i.selectedBg)
DrawStringAtPoint(AlignText(outTxt, optionWidth, AlignLeft), optionStartX, optionStartY, i.selectedFg, i.selectedBg)
} else {
DrawStringAtPoint(currOpt.GetText(), optionStartX, optionStartY, i.fg, i.bg)
DrawStringAtPoint(outTxt, optionStartX, optionStartY, i.fg, i.bg)
}
optionStartY++
if optionStartY > i.y+optionHeight-1 {
break
}
}
}
}