150 lines
3.9 KiB
Go
150 lines
3.9 KiB
Go
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// 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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)
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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(true, "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 hideDDview() error {
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w, h := me.baseGui.MousePosition()
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log(true, "hide dropdown menu() view msgMouseDown (w,h) =", w, h)
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if (me.ddview == nil) {
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return gocui.ErrUnknownView
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}
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if (me.ddview.tk.v == nil) {
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return gocui.ErrUnknownView
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}
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me.ddview.SetVisible(false)
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return nil
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}
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func showDDview() error {
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w, h := me.baseGui.MousePosition()
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log(true, "show dropdown menu() view msgMouseDown (w,h) =", w, h)
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if (me.ddview == nil) {
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return gocui.ErrUnknownView
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}
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if (me.ddview.tk.v == nil) {
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return gocui.ErrUnknownView
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}
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me.ddview.SetVisible(true)
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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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log(true, "mouseUp() view msgMouseDown (check here for dropdown menu click) (w,h) =", w, h)
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if (me.ddClicked) {
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me.ddClicked = false
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log(true, "mouseUp() ddview is the thing that was clicked", w, h)
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log(true, "mouseUp() find out what the string is here", w, h, me.ddview.tk.gocuiSize.h1)
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var newZone string = ""
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if (me.ddNode != nil) {
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value := h - me.ddview.tk.gocuiSize.h0 - 1
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log(true, "mouseUp() me.ddview.tk.gocuiSize.h1 =", me.ddview.tk.gocuiSize.h1)
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log(true, "mouseUp() me.ddNode.vals =", me.ddNode.vals)
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valsLen := len(me.ddNode.vals)
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log(true, "mouseUp() value =", value, "valsLen =", valsLen)
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log(true, "mouseUp() me.ddNode.vals =", me.ddNode.vals)
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if ((value >= 0) && (value < valsLen)) {
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newZone = me.ddNode.vals[value]
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log(true, "mouseUp() value =", value, "newZone =", newZone)
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}
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}
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hideDDview()
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if (newZone != "") {
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if (me.ddNode != nil) {
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me.ddNode.SetText(newZone)
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me.ddNode.S = newZone
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me.ddNode.doUserEvent()
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}
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}
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return nil
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}
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/*
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// if there is a drop down view active, treat it like a dialog box and close it
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if (hideDDview() == nil) {
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return nil
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}
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*/
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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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test := findUnderMouse()
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msg := fmt.Sprintf("Mouse really down at: %d,%d", mx, my) + "foobar"
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if (test == me.ddview) {
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if (me.ddview.Visible()) {
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log(true, "hide DDview() Mouse really down at:", mx, my)
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hideDDview()
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} else {
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log(true, "show DDview() Mouse really down at:", mx, my)
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showDDview()
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}
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return nil
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}
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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(true, "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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