85 lines
2.0 KiB
Go
85 lines
2.0 KiB
Go
// Copyright 2014 The gocui Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"errors"
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"fmt"
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"github.com/awesome-gocui/gocui"
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"go.wit.com/log"
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)
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// this function uses the mouse position to highlight & unhighlight things
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// this is run every time the user moves the mouse over the terminal window
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func mouseMove(g *gocui.Gui) {
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mx, my := g.MousePosition()
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for _, view := range g.Views() {
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view.Highlight = false
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}
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if v, err := g.ViewByPosition(mx, my); err == nil {
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v.Highlight = true
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}
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}
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func msgDown(g *gocui.Gui, v *gocui.View) error {
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initialMouseX, initialMouseY = g.MousePosition()
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log.Log(GOCUI, "msgDown() X,Y", initialMouseX, initialMouseY)
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if vx, vy, _, _, err := g.ViewPosition("msg"); err == nil {
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xOffset = initialMouseX - vx
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yOffset = initialMouseY - vy
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msgMouseDown = true
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}
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return nil
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}
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func mouseUp(g *gocui.Gui, v *gocui.View) error {
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w, h := g.MousePosition()
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dropdownUnclicked(w, h)
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if msgMouseDown {
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msgMouseDown = false
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if movingMsg {
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movingMsg = false
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return nil
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} else {
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g.DeleteView("msg")
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}
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} else if globalMouseDown {
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globalMouseDown = false
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g.DeleteView("globalDown")
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}
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return nil
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}
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func mouseDown(g *gocui.Gui, v *gocui.View) error {
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mx, my := g.MousePosition()
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if vx0, vy0, vx1, vy1, err := g.ViewPosition("msg"); err == nil {
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if mx >= vx0 && mx <= vx1 && my >= vy0 && my <= vy1 {
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return msgDown(g, v)
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}
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}
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globalMouseDown = true
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maxX, _ := g.Size()
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findUnderMouse()
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msg := fmt.Sprintf("mouseDown() Mouse really down at: %d,%d", mx, my)
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// dropdownClicked(mx, my)
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x := mx - len(msg)/2
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if x < 0 {
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x = 0
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} else if x+len(msg)+1 > maxX-1 {
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x = maxX - 1 - len(msg) - 1
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}
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log.Log(GOCUI, "mouseDown() about to write out message to 'globalDown' view. msg =", msg)
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if v, err := g.SetView("globalDown", x, my-1, x+len(msg)+1, my+1, 0); err != nil {
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if !errors.Is(err, gocui.ErrUnknownView) {
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return err
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}
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v.WriteString(msg)
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}
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return nil
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}
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