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authorTulir Asokan <tulir@maunium.net>2018-03-21 00:21:16 +0200
committerTulir Asokan <tulir@maunium.net>2018-03-21 00:21:24 +0200
commit7994c289aae7662fee9b86f9424d230c7b612b3d (patch)
treea9a3e1ae636c44455c08fbe6f89f00756123ef3c /ui
parent3ad2c11865a9b4b4d5128553eb3bbcb0c1969133 (diff)
Refactor some things and format everything
Diffstat (limited to 'ui')
-rw-r--r--ui/ui.go12
-rw-r--r--ui/widget/advanced-inputfield.go275
2 files changed, 162 insertions, 125 deletions
diff --git a/ui/ui.go b/ui/ui.go
index eab7642..131a8c1 100644
--- a/ui/ui.go
+++ b/ui/ui.go
@@ -23,9 +23,9 @@ import (
)
type GomuksUI struct {
- gmx ifc.Gomuks
- app *tview.Application
- views *tview.Pages
+ gmx ifc.Gomuks
+ app *tview.Application
+ views *tview.Pages
mainView *MainView
loginView *tview.Form
@@ -38,9 +38,9 @@ func init() {
func NewGomuksUI(gmx ifc.Gomuks) (ui *GomuksUI) {
ui = &GomuksUI{
- gmx: gmx,
- app: gmx.App(),
- views: tview.NewPages(),
+ gmx: gmx,
+ app: gmx.App(),
+ views: tview.NewPages(),
}
ui.views.SetChangedFunc(ui.Render)
return
diff --git a/ui/widget/advanced-inputfield.go b/ui/widget/advanced-inputfield.go
index fed6444..8115b18 100644
--- a/ui/widget/advanced-inputfield.go
+++ b/ui/widget/advanced-inputfield.go
@@ -322,10 +322,6 @@ func (field *AdvancedInputField) setCursor(screen tcell.Screen) {
y++
rightLimit -= 2
}
- fieldWidth := runewidth.StringWidth(field.text)
- if field.fieldWidth > 0 && fieldWidth > field.fieldWidth-1 {
- fieldWidth = field.fieldWidth - 1
- }
x = x + tview.StringWidth(field.label) + field.cursorOffset - field.viewOffset
if x >= rightLimit {
x = rightLimit - 1
@@ -344,122 +340,163 @@ func SubstringBefore(s string, w int) string {
return runewidth.Truncate(s, w, "")
}
+func (field *AdvancedInputField) TypeRune(ch rune) {
+ leftPart := SubstringBefore(field.text, field.cursorOffset)
+ newText := leftPart + string(ch) + field.text[len(leftPart):]
+ if field.accept != nil {
+ if !field.accept(newText, ch) {
+ return
+ }
+ }
+ field.text = newText
+ field.cursorOffset += runewidth.RuneWidth(ch)
+}
+
+func (field *AdvancedInputField) PasteClipboard() {
+ clip, _ := clipboard.ReadAll("clipboard")
+ leftPart := SubstringBefore(field.text, field.cursorOffset)
+ field.text = leftPart + clip + field.text[len(leftPart):]
+ field.cursorOffset += runewidth.StringWidth(clip)
+}
+
+func (field *AdvancedInputField) MoveCursorLeft(moveWord bool) {
+ before := SubstringBefore(field.text, field.cursorOffset)
+ if moveWord {
+ found := lastWord.FindString(before)
+ field.cursorOffset -= runewidth.StringWidth(found)
+ } else if len(before) > 0 {
+ beforeRunes := []rune(before)
+ char := beforeRunes[len(beforeRunes)-1]
+ field.cursorOffset -= runewidth.RuneWidth(char)
+ }
+}
+
+func (field *AdvancedInputField) MoveCursorRight(moveWord bool) {
+ before := SubstringBefore(field.text, field.cursorOffset)
+ after := field.text[len(before):]
+ if moveWord {
+ found := firstWord.FindString(after)
+ field.cursorOffset += runewidth.StringWidth(found)
+ } else if len(after) > 0 {
+ char := []rune(after)[0]
+ field.cursorOffset += runewidth.RuneWidth(char)
+ }
+}
+
+func (field *AdvancedInputField) RemoveNextCharacter() {
+ if field.cursorOffset >= runewidth.StringWidth(field.text) {
+ return
+ }
+ leftPart := SubstringBefore(field.text, field.cursorOffset)
+ // Take everything after the left part minus the first character.
+ rightPart := string([]rune(field.text[len(leftPart):])[1:])
+
+ field.text = leftPart + rightPart
+}
+
+func (field *AdvancedInputField) Clear() {
+ field.text = ""
+ field.cursorOffset = 0
+}
+
+func (field *AdvancedInputField) RemovePreviousWord() {
+ leftPart := SubstringBefore(field.text, field.cursorOffset)
+ rightPart := field.text[len(leftPart):]
+ replacement := lastWord.ReplaceAllString(leftPart, "")
+ field.text = replacement + rightPart
+
+ field.cursorOffset -= runewidth.StringWidth(leftPart) - runewidth.StringWidth(replacement)
+}
+
+func (field *AdvancedInputField) RemovePreviousCharacter() {
+ if field.cursorOffset == 0 {
+ return
+ }
+ leftPart := SubstringBefore(field.text, field.cursorOffset)
+ rightPart := field.text[len(leftPart):]
+
+ // Take everything before the right part minus the last character.
+ leftPartRunes := []rune(leftPart)
+ leftPartRunes = leftPartRunes[0 : len(leftPartRunes)-1]
+ leftPart = string(leftPartRunes)
+
+ // Figure out what character was removed to correctly decrease cursorOffset.
+ removedChar := field.text[len(leftPart) : len(field.text)-len(rightPart)]
+
+ field.text = leftPart + rightPart
+
+ field.cursorOffset -= runewidth.StringWidth(removedChar)
+}
+
+func (field *AdvancedInputField) TriggerTabComplete() bool {
+ if field.tabComplete != nil {
+ oldWidth := runewidth.StringWidth(field.text)
+ field.text = field.tabComplete(field.text, field.cursorOffset)
+ newWidth := runewidth.StringWidth(field.text)
+ if oldWidth != newWidth {
+ field.cursorOffset += newWidth - oldWidth
+ }
+ return true
+ }
+ return false
+}
+
+func (field *AdvancedInputField) handleInputChanges(originalText string) {
+ // Trigger changed events.
+ if field.text != originalText && field.changed != nil {
+ field.changed(field.text)
+ }
+
+ // Make sure cursor offset is valid
+ if field.cursorOffset < 0 {
+ field.cursorOffset = 0
+ }
+ width := runewidth.StringWidth(field.text)
+ if field.cursorOffset > width {
+ field.cursorOffset = width
+ }
+}
+
// InputHandler returns the handler for this primitive.
func (field *AdvancedInputField) InputHandler() func(event *tcell.EventKey, setFocus func(p tview.Primitive)) {
- return field.WrapInputHandler(func(event *tcell.EventKey, setFocus func(p tview.Primitive)) {
- currentText := field.text
- defer func() {
- // Trigger changed events.
- if field.text != currentText && field.changed != nil {
- field.changed(field.text)
- }
- // Make sure cursor offset is valid
- if field.cursorOffset < 0 {
- field.cursorOffset = 0
- }
- width := runewidth.StringWidth(field.text)
- if field.cursorOffset > width {
- field.cursorOffset = width
- }
- }()
-
- // Process key event.
- switch key := event.Key(); key {
- case tcell.KeyRune: // Regular character.
- leftPart := SubstringBefore(field.text, field.cursorOffset)
- newText := leftPart + string(event.Rune()) + field.text[len(leftPart):]
- if field.accept != nil {
- if !field.accept(newText, event.Rune()) {
- break
- }
- }
- field.text = newText
- field.cursorOffset += runewidth.RuneWidth(event.Rune())
- case tcell.KeyCtrlV:
- clip, _ := clipboard.ReadAll("clipboard")
- leftPart := SubstringBefore(field.text, field.cursorOffset)
- field.text = leftPart + clip + field.text[len(leftPart):]
- field.cursorOffset += runewidth.StringWidth(clip)
- case tcell.KeyLeft: // Move cursor left.
- before := SubstringBefore(field.text, field.cursorOffset)
- if event.Modifiers() == tcell.ModCtrl {
- found := lastWord.FindString(before)
- field.cursorOffset -= runewidth.StringWidth(found)
- } else if len(before) > 0 {
- beforeRunes := []rune(before)
- char := beforeRunes[len(beforeRunes)-1]
- field.cursorOffset -= runewidth.RuneWidth(char)
- }
- case tcell.KeyRight: // Move cursor right.
- before := SubstringBefore(field.text, field.cursorOffset)
- after := field.text[len(before):]
- if event.Modifiers() == tcell.ModCtrl {
- found := firstWord.FindString(after)
- field.cursorOffset += runewidth.StringWidth(found)
- } else if len(after) > 0 {
- char := []rune(after)[0]
- field.cursorOffset += runewidth.RuneWidth(char)
- }
- case tcell.KeyDelete: // Delete next character.
- if field.cursorOffset >= runewidth.StringWidth(field.text) {
- break
- }
- leftPart := SubstringBefore(field.text, field.cursorOffset)
- // Take everything after the left part minus the first character.
- rightPart := string([]rune(field.text[len(leftPart):])[1:])
-
- field.text = leftPart + rightPart
- case tcell.KeyCtrlU:
- if !field.vimBindings {
- break
- }
- field.text = ""
- field.cursorOffset = 0
- case tcell.KeyCtrlW:
- if !field.vimBindings {
- break
- }
- fallthrough
- case tcell.KeyBackspace: // Delete last word
- leftPart := SubstringBefore(field.text, field.cursorOffset)
- rightPart := field.text[len(leftPart):]
- replacement := lastWord.ReplaceAllString(leftPart, "")
- field.text = replacement + rightPart
-
- field.cursorOffset -= runewidth.StringWidth(leftPart) - runewidth.StringWidth(replacement)
- case tcell.KeyBackspace2: // Delete last character
- if field.cursorOffset == 0 {
- break
- }
- leftPart := SubstringBefore(field.text, field.cursorOffset)
- rightPart := field.text[len(leftPart):]
-
- // Take everything before the right part minus the last character.
- leftPartRunes := []rune(leftPart)
- leftPartRunes = leftPartRunes[0 : len(leftPartRunes)-1]
- leftPart = string(leftPartRunes)
-
- // Figure out what character was removed to correctly decrease cursorOffset.
- removedChar := field.text[len(leftPart) : len(field.text)-len(rightPart)]
-
- field.text = leftPart + rightPart
-
- field.cursorOffset -= runewidth.StringWidth(removedChar)
- case tcell.KeyTab: // Tab-completion
- if field.tabComplete != nil {
- oldWidth := runewidth.StringWidth(field.text)
- field.text = field.tabComplete(field.text, field.cursorOffset)
- newWidth := runewidth.StringWidth(field.text)
- if oldWidth != newWidth {
- field.cursorOffset += newWidth - oldWidth
- }
- break
- }
- fallthrough
- case tcell.KeyEnter, tcell.KeyEscape, tcell.KeyBacktab: // We're done.
- if field.done != nil {
- field.done(key)
- }
+ return field.WrapInputHandler(field.inputHandler)
+}
+
+func (field *AdvancedInputField) inputHandler(event *tcell.EventKey, setFocus func(p tview.Primitive)) {
+ defer field.handleInputChanges(field.text)
+
+ // Process key event.
+ switch key := event.Key(); key {
+ case tcell.KeyRune:
+ field.TypeRune(event.Rune())
+ case tcell.KeyCtrlV:
+ field.PasteClipboard()
+ case tcell.KeyLeft:
+ field.MoveCursorLeft(event.Modifiers() == tcell.ModCtrl)
+ case tcell.KeyRight:
+ field.MoveCursorRight(event.Modifiers() == tcell.ModCtrl)
+ case tcell.KeyDelete:
+ field.RemoveNextCharacter()
+ case tcell.KeyCtrlU:
+ if field.vimBindings {
+ field.Clear()
+ }
+ case tcell.KeyCtrlW:
+ if field.vimBindings {
+ field.RemovePreviousWord()
+ }
+ case tcell.KeyBackspace:
+ field.RemovePreviousWord()
+ case tcell.KeyBackspace2:
+ field.RemovePreviousCharacter()
+ case tcell.KeyTab:
+ if field.TriggerTabComplete() {
+ break
}
- })
+ fallthrough
+ case tcell.KeyEnter, tcell.KeyEscape, tcell.KeyBacktab:
+ if field.done != nil {
+ field.done(key)
+ }
+ }
}