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https://github.com/taigrr/wtf
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f0771cd013
* Some assignments simplified by using assignment operators * Rewrite switch statement with only one case as if. * Rewrite if-else chain as a switch statement. * go fmt `modules/todoist/project.go` file.
122 lines
2.9 KiB
Go
122 lines
2.9 KiB
Go
package wtf
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import (
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"fmt"
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"github.com/gdamore/tcell"
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"github.com/rivo/tview"
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"github.com/wtfutil/wtf/cfg"
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)
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type helpItem struct {
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Key string
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Text string
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}
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// KeyboardWidget manages keyboard control for a widget
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type KeyboardWidget struct {
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app *tview.Application
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pages *tview.Pages
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view *tview.TextView
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settings *cfg.Common
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charMap map[string]func()
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keyMap map[tcell.Key]func()
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charHelp []helpItem
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keyHelp []helpItem
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maxKey int
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}
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// NewKeyboardWidget creates and returns a new instance of KeyboardWidget
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func NewKeyboardWidget(app *tview.Application, pages *tview.Pages, settings *cfg.Common) KeyboardWidget {
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return KeyboardWidget{
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app: app,
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pages: pages,
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settings: settings,
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charMap: make(map[string]func()),
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keyMap: make(map[tcell.Key]func()),
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charHelp: []helpItem{},
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keyHelp: []helpItem{},
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}
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}
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// SetKeyboardChar sets a character/function combination that responds to key presses
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// Example:
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//
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// widget.SetKeyboardChar("d", widget.deleteSelectedItem)
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//
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func (widget *KeyboardWidget) SetKeyboardChar(char string, fn func(), helpText string) {
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widget.charMap[char] = fn
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widget.charHelp = append(widget.charHelp, helpItem{char, helpText})
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}
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// SetKeyboardKey sets a tcell.Key/function combination that responds to key presses
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// Example:
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//
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// widget.SetKeyboardKey(tcell.KeyCtrlD, widget.deleteSelectedItem)
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//
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func (widget *KeyboardWidget) SetKeyboardKey(key tcell.Key, fn func(), helpText string) {
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widget.keyMap[key] = fn
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widget.keyHelp = append(widget.keyHelp, helpItem{tcell.KeyNames[key], helpText})
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if len(tcell.KeyNames[key]) > widget.maxKey {
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widget.maxKey = len(tcell.KeyNames[key])
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}
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}
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// InputCapture is the function passed to tview's SetInputCapture() function
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// This is done during the main widget's creation process using the following code:
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//
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// widget.View.SetInputCapture(widget.InputCapture)
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//
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func (widget *KeyboardWidget) InputCapture(event *tcell.EventKey) *tcell.EventKey {
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fn := widget.charMap[string(event.Rune())]
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if fn != nil {
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fn()
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return nil
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}
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fn = widget.keyMap[event.Key()]
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if fn != nil {
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fn()
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return nil
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}
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return event
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}
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func (widget *KeyboardWidget) HelpText() string {
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str := "Keyboard commands for " + widget.settings.Module.Type + "\n\n"
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for _, item := range widget.charHelp {
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str += fmt.Sprintf(" [%s]: %s\n", item.Key, item.Text)
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}
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str += "\n\n"
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for _, item := range widget.keyHelp {
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str += fmt.Sprintf(" [%-*s]: %s\n", widget.maxKey, item.Key, item.Text)
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}
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return str
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}
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func (widget *KeyboardWidget) SetView(view *tview.TextView) {
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widget.view = view
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}
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func (widget *KeyboardWidget) ShowHelp() {
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closeFunc := func() {
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widget.pages.RemovePage("help")
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widget.app.SetFocus(widget.view)
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}
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modal := NewBillboardModal(widget.HelpText(), closeFunc)
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widget.pages.AddPage("help", modal, false, true)
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widget.app.SetFocus(modal)
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widget.app.QueueUpdate(func() {
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widget.app.Draw()
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})
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}
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