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keyboard.go
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keyboard.go
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package mini
import (
"github.com/gdamore/tcell"
"github.com/rivo/tview"
)
type keyboardShortcut struct {
modifier tcell.ModMask
key tcell.Key
}
type keyboardAction func(app *tview.Application, tabbedView *tabbedGroupsView, input *tview.InputField)
type keyboardCommand struct {
shortcuts []keyboardShortcut
help string
action keyboardAction
}
func keyboardCommands() []*keyboardCommand {
return []*keyboardCommand{
{
shortcuts: []keyboardShortcut{
{key: tcell.KeyCtrlC},
{key: tcell.KeyEsc},
},
help: "Quit the app",
action: func(app *tview.Application, tabbedView *tabbedGroupsView, input *tview.InputField) {
app.Stop()
},
},
{
shortcuts: []keyboardShortcut{
{key: tcell.KeyHome},
},
help: "View the beginning of the message list",
action: func(app *tview.Application, tabbedView *tabbedGroupsView, input *tview.InputField) {
tabbedView.GetActiveViewGroup().messages.historyScroll.ScrollToBeginning()
},
},
{
shortcuts: []keyboardShortcut{
{key: tcell.KeyEnd},
},
help: "View the end of the message list",
action: func(app *tview.Application, tabbedView *tabbedGroupsView, input *tview.InputField) {
tabbedView.GetActiveViewGroup().messages.historyScroll.ScrollToEnd()
},
},
{
shortcuts: []keyboardShortcut{
{key: tcell.KeyPgUp},
},
help: "View 10 previous messages in the list",
action: func(app *tview.Application, tabbedView *tabbedGroupsView, input *tview.InputField) {
tabbedView.GetActiveViewGroup().ScrollToOffset(-10)
},
},
{
shortcuts: []keyboardShortcut{
{key: tcell.KeyPgDn},
},
help: "View 10 next messages in the list",
action: func(app *tview.Application, tabbedView *tabbedGroupsView, input *tview.InputField) {
tabbedView.GetActiveViewGroup().ScrollToOffset(+10)
},
},
{
shortcuts: []keyboardShortcut{
{key: tcell.KeyCtrlP},
{
modifier: tcell.ModAlt,
key: tcell.KeyUp,
},
{
modifier: tcell.ModCtrl,
key: tcell.KeyUp,
},
},
help: "Go to the previous group displayed in the sidebar",
action: func(app *tview.Application, tabbedView *tabbedGroupsView, input *tview.InputField) {
tabbedView.PrevGroup()
},
},
{
shortcuts: []keyboardShortcut{
{key: tcell.KeyCtrlN},
{
modifier: tcell.ModAlt,
key: tcell.KeyDown,
},
{
modifier: tcell.ModCtrl,
key: tcell.KeyDown,
},
},
help: "Go to the next group displayed in the sidebar",
action: func(app *tview.Application, tabbedView *tabbedGroupsView, input *tview.InputField) {
tabbedView.NextGroup()
},
},
{
shortcuts: []keyboardShortcut{
{key: tcell.KeyUp},
},
help: "Restore the previous message sent in the input field",
action: func(app *tview.Application, tabbedView *tabbedGroupsView, input *tview.InputField) {
input.SetText(tabbedView.GetActiveViewGroup().inputHistory.Prev())
},
},
{
shortcuts: []keyboardShortcut{
{key: tcell.KeyDown},
},
help: "Restore the next message sent in the input field",
action: func(app *tview.Application, tabbedView *tabbedGroupsView, input *tview.InputField) {
input.SetText(tabbedView.GetActiveViewGroup().inputHistory.Next())
},
},
}
}
func buildKeyboardCommandMap() map[tcell.ModMask]map[tcell.Key]keyboardAction {
mappedCommands := map[tcell.ModMask]map[tcell.Key]keyboardAction{}
for _, command := range keyboardCommands() {
for _, shortcut := range command.shortcuts {
if _, ok := mappedCommands[shortcut.modifier]; !ok {
mappedCommands[shortcut.modifier] = map[tcell.Key]keyboardAction{}
}
mappedCommands[shortcut.modifier][shortcut.key] = command.action
}
}
return mappedCommands
}