128 lines
2.5 KiB
Go
128 lines
2.5 KiB
Go
package ui
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import (
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"strings"
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"time"
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"fyne.io/fyne/v2"
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"fyne.io/fyne/v2/container"
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"fyne.io/fyne/v2/widget"
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"viewsagent/internal/capture"
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"viewsagent/internal/win32"
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)
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// cardTitle 是答案浮窗的标题，win32 靠它找 HWND。
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const cardTitle = "viewsagent-card"
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// floatCard 是贴在选区旁边的置顶小窗，只显示最新答案。
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type floatCard struct {
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win fyne.Window
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body *widget.RichText
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region capture.Region
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visible bool
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}
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func newFloatCard(a fyne.App) *floatCard {
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c := &floatCard{win: a.NewWindow(cardTitle)}
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rt := widget.NewRichText()
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rt.Wrapping = fyne.TextWrapWord
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c.body = rt
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c.win.SetContent(container.NewBorder(
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nil, nil, nil, nil,
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container.NewPadded(rt),
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))
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c.win.Resize(fyne.NewSize(400, 240))
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return c
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}
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// setRegion 记录当前监视区域，用于定位浮窗。
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func (c *floatCard) setRegion(r capture.Region) {
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c.region = r
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}
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// update 刷新浮窗内容。
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func (c *floatCard) update(text string) {
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text = strings.TrimSpace(text)
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if text == "" {
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text = "（空）"
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}
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c.body.ParseMarkdown(text)
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if c.visible {
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c.place()
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}
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}
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// show 显示浮窗。
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func (c *floatCard) show() {
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if c.visible {
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c.place()
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c.win.RequestFocus()
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return
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}
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c.visible = true
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c.win.Show()
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go func() {
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time.Sleep(120 * time.Millisecond)
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fyne.Do(c.place)
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}()
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}
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// hide 隐藏浮窗。
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func (c *floatCard) hide() {
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c.visible = false
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c.win.Hide()
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}
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// toggle 切换显示状态。
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func (c *floatCard) toggle() {
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if c.visible {
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c.hide()
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return
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}
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c.show()
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}
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// visibleNow 返回是否正在显示。
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func (c *floatCard) visibleNow() bool { return c.visible }
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// place 把浮窗贴到选区下方（放不下就贴上方），并置顶。
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func (c *floatCard) place() {
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hwnd, err := win32.FindWindowByTitle(cardTitle)
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if err != nil {
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return
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}
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_ = win32.SetTopMost(hwnd)
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rect, err := win32.WindowRect(hwnd)
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if err != nil || rect.Width() <= 0 || rect.Height() <= 0 {
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return
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}
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if !c.region.Valid() {
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return
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}
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mon, _ := win32.MonitorAt(c.region.X+c.region.W/2, c.region.Y+c.region.H/2)
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work := mon.Work
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if work.Width() <= 0 {
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work = mon.Rect
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}
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gap := int(8 * max(mon.Scale, 1))
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x := c.region.X
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y := c.region.Y + c.region.H + gap
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if y+rect.Height() > work.Bottom {
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y = c.region.Y - rect.Height() - gap
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}
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if y < work.Top {
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y = work.Bottom - rect.Height()
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}
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if x+rect.Width() > work.Right {
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x = work.Right - rect.Width()
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}
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if x < work.Left {
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x = work.Left
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}
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_ = win32.MoveTo(hwnd, win32.Rect{Left: x, Top: y, Right: x + rect.Width(), Bottom: y + rect.Height()})
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}
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