Simplify HelpModal
This commit is contained in:
Tulir Asokan
parent
2e5eeb22ed
commit
153aa34f2b
2
go.mod
2
go.mod
@ -24,6 +24,6 @@ require (
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gopkg.in/vansante/go-ffprobe.v2 v2.0.2
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gopkg.in/yaml.v2 v2.3.0
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maunium.net/go/mautrix v0.7.6
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maunium.net/go/mauview v0.1.1
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maunium.net/go/mauview v0.1.2
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maunium.net/go/tcell v0.2.0
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)
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2
go.sum
2
go.sum
@ -121,5 +121,7 @@ maunium.net/go/mautrix v0.7.6 h1:jB9oCimPq0mVyolwQBC/9N1fu21AU+Ryq837cLf4gOo=
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maunium.net/go/mautrix v0.7.6/go.mod h1:Va/74MijqaS0DQ3aUqxmFO54/PMfr1LVsCOcGRHbYmo=
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maunium.net/go/mauview v0.1.1 h1:wfTXyPx3LGAGpTskh+UbBv/QItUWnEpaneHmywoYnfY=
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maunium.net/go/mauview v0.1.1/go.mod h1:3QBUiuLct9moP1LgDhCGIg0Ovxn38Bd2sGndnUOuj4o=
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maunium.net/go/mauview v0.1.2 h1:6Y3GpyckIlzCNkry6k025YhWg8oh5XJFj3RAMf4VwWo=
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maunium.net/go/mauview v0.1.2/go.mod h1:3QBUiuLct9moP1LgDhCGIg0Ovxn38Bd2sGndnUOuj4o=
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maunium.net/go/tcell v0.2.0 h1:1Q0kN3wCOGAIGu1r3QHADsjSUOPDylKREvCv3EzJpVg=
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maunium.net/go/tcell v0.2.0/go.mod h1:9Apcb3lNNS6C6lCqKT9UFp7BTRzHXfWE+/tgufsAMho=
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145
ui/help-modal.go
145
ui/help-modal.go
@ -1,68 +1,23 @@
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package ui
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import (
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"strings"
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"maunium.net/go/mauview"
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"maunium.net/go/tcell"
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"maunium.net/go/gomuks/debug"
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"maunium.net/go/mauview"
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)
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type HelpModal struct {
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mauview.Component
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container *mauview.Box
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text *mauview.TextView
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scrollX int
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scrollY int
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maxScrollX int
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maxScrollY int
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textWidth int
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textHeight int
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parent *MainView
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}
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// There are only math.Min/math.Max for float64
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func Max(a int, b int) int {
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if a > b {
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return a
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}
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return b
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}
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func Min(a int, b int) int {
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if a < b {
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return a
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}
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return b
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}
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func NewHelpModal(parent *MainView) *HelpModal {
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hm := &HelpModal{
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parent: parent,
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scrollX: 0,
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scrollY: 0,
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maxScrollX: 0,
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maxScrollY: 0,
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}
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helpText := `# General
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/help - Show this "temporary" help message.
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const helpText = `# General
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/help - Show this help dialog.
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/quit - Quit gomuks.
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/clearcache - Clear cache and quit gomuks.
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/logout - Log out of Matrix.
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/toggle <thing> - Temporary command to toggle various UI features.
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Things: rooms, users, baremessages, images, typingnotif, unverified
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# Sending special messages
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/me <message> - Send an emote message.
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/notice <message> - Send a notice (generally used for bot messages).
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/rainbow <message> - Send rainbow text (markdown not supported).
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/rainbow <message> - Send rainbow text.
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/rainbowme <message> - Send rainbow text in an emote.
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/reply [text] - Reply to the selected message.
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/react <reaction> - React to the selected message.
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@ -105,101 +60,47 @@ Things: rooms, users, baremessages, images, typingnotif, unverified
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/ban <user id> [reason] - Ban a user.
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/unban <user id> - Unban a user.`
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split := strings.Split(helpText, "\n")
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hm.textHeight = len(split)
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hm.textWidth = 0
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for _, line := range split {
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hm.textWidth = Max(hm.textWidth, len(line))
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type HelpModal struct {
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mauview.FocusableComponent
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parent *MainView
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}
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hm.text = mauview.NewTextView().
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func NewHelpModal(parent *MainView) *HelpModal {
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hm := &HelpModal{parent: parent}
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text := mauview.NewTextView().
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SetText(helpText).
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SetScrollable(true).
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SetWrap(false)
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flex := mauview.NewFlex().
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SetDirection(mauview.FlexRow).
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AddProportionalComponent(hm.text, 1)
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hm.container = mauview.NewBox(flex).
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box := mauview.NewBox(text).
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SetBorder(true).
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SetTitle("Help").
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SetBlurCaptureFunc(func() bool {
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hm.parent.HideModal()
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return true
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})
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box.Focus()
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hm.Component = mauview.Center(hm.container, 0, 0).
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SetAlwaysFocusChild(true)
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hm.FocusableComponent = mauview.FractionalCenter(box, 42, 10, 0.5, 0.5)
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return hm
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}
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func (hm *HelpModal) Focus() {
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hm.container.Focus()
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debug.Print("focus")
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hm.FocusableComponent.Focus()
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}
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func (hm *HelpModal) Blur() {
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hm.container.Blur()
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}
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func (hm *HelpModal) Draw(screen mauview.Screen) {
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width, height := screen.Size()
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width /= 2
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if width < 42 {
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width = 42
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}
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if height > 40 {
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height -= 20
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} else if height > 30 {
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height -= 10
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} else if height > 20 {
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height -= 5
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}
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oldMaxScrollY := hm.maxScrollY
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hm.maxScrollY = hm.textHeight - height + 2
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hm.maxScrollX = hm.textWidth - width + 2
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if hm.maxScrollY != oldMaxScrollY {
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// Reset the scroll
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// NOTE: Workarounds a problem where we can no longer scroll
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// due to hm.scrollY being too big.
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hm.scrollY = 0
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hm.scrollX = 0
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hm.text.ScrollTo(hm.scrollY, hm.scrollX)
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}
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hm.Component = mauview.Center(hm.container, width, height).
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SetAlwaysFocusChild(true)
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hm.Component.Draw(screen)
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debug.Print("blur")
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hm.FocusableComponent.Blur()
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}
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func (hm *HelpModal) OnKeyEvent(event mauview.KeyEvent) bool {
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switch event.Key() {
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case tcell.KeyUp:
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hm.scrollY = Max(0, hm.scrollY-1)
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hm.text.ScrollTo(hm.scrollY, hm.scrollX)
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return true
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case tcell.KeyDown:
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hm.scrollY = Min(hm.maxScrollY, hm.scrollY+1)
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hm.text.ScrollTo(hm.scrollY, hm.scrollX)
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return true
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case tcell.KeyLeft:
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hm.scrollX = Max(0, hm.scrollX-1)
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hm.text.ScrollTo(hm.scrollY, hm.scrollX)
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return true
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case tcell.KeyRight:
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hm.scrollX = Min(hm.maxScrollX, hm.scrollX+1)
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hm.text.ScrollTo(hm.scrollY, hm.scrollX)
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return true
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}
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if event.Key() == tcell.KeyEscape || event.Rune() == 'q' {
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hm.parent.HideModal()
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return true
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}
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return hm.FocusableComponent.OnKeyEvent(event)
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}
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