move into seperate repo

1 files changed, 149 insertions, 0 deletions

diff --git a/gocui/mouse.go b/gocui/mouse.go
new file mode 100644
index 0000000..50c2834
--- /dev/null
+++ b/gocui/mouse.go
@@ -0,0 +1,149 @@
+// Copyright 2014 The gocui Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"errors"
+	"fmt"
+	"github.com/awesome-gocui/gocui"
+)
+
+// this function uses the mouse position to highlight & unhighlight things
+// this is run every time the user moves the mouse over the terminal window
+func mouseMove(g *gocui.Gui) {
+	mx, my := g.MousePosition()
+	for _, view := range g.Views() {
+		view.Highlight = false
+	}
+	if v, err := g.ViewByPosition(mx, my); err == nil {
+		v.Highlight = true
+	}
+}
+
+func msgDown(g *gocui.Gui, v *gocui.View) error {
+	initialMouseX, initialMouseY = g.MousePosition()
+	log(true, "msgDown() X,Y", initialMouseX, initialMouseY)
+	if vx, vy, _, _, err := g.ViewPosition("msg"); err == nil {
+		xOffset = initialMouseX - vx
+		yOffset = initialMouseY - vy
+		msgMouseDown = true
+	}
+	return nil
+}
+
+func hideDDview() error {
+	w, h := me.baseGui.MousePosition()
+	log(true, "hide dropdown menu() view msgMouseDown (w,h) =", w, h)
+	if (me.ddview == nil) {
+		return gocui.ErrUnknownView
+	}
+	if (me.ddview.tk.v == nil) {
+		return gocui.ErrUnknownView
+	}
+	me.ddview.SetVisible(false)
+	return nil
+}
+
+func showDDview() error {
+	w, h := me.baseGui.MousePosition()
+	log(true, "show dropdown menu() view msgMouseDown (w,h) =", w, h)
+	if (me.ddview == nil) {
+		return gocui.ErrUnknownView
+	}
+	if (me.ddview.tk.v == nil) {
+		return gocui.ErrUnknownView
+	}
+	me.ddview.SetVisible(true)
+	return nil
+}
+
+func mouseUp(g *gocui.Gui, v *gocui.View) error {
+	w, h := g.MousePosition()
+	log(true, "mouseUp() view msgMouseDown (check here for dropdown menu click) (w,h) =", w, h)
+	if (me.ddClicked) {
+		me.ddClicked = false
+		log(true, "mouseUp() ddview is the thing that was clicked", w, h)
+		log(true, "mouseUp() find out what the string is here", w, h, me.ddview.tk.gocuiSize.h1)
+
+		var newZone string = ""
+		if (me.ddNode != nil) {
+			value := h - me.ddview.tk.gocuiSize.h0 - 1
+			log(true, "mouseUp() me.ddview.tk.gocuiSize.h1 =", me.ddview.tk.gocuiSize.h1)
+			log(true, "mouseUp() me.ddNode.vals =", me.ddNode.vals)
+			valsLen := len(me.ddNode.vals)
+			log(true, "mouseUp() value =", value, "valsLen =", valsLen)
+			log(true, "mouseUp() me.ddNode.vals =", me.ddNode.vals)
+			if ((value >= 0) && (value < valsLen)) {
+				newZone = me.ddNode.vals[value]
+				log(true, "mouseUp() value =", value, "newZone =", newZone)
+			}
+		}
+		hideDDview()
+		if (newZone != "") {
+			if (me.ddNode != nil) {
+				me.ddNode.SetText(newZone)
+				me.ddNode.S = newZone
+				me.ddNode.doUserEvent()
+			}
+		}
+		return nil
+	}
+	/*
+	// if there is a drop down view active, treat it like a dialog box and close it
+	if (hideDDview() == nil) {
+		return nil
+	}
+	*/
+	if msgMouseDown {
+		msgMouseDown = false
+		if movingMsg {
+			movingMsg = false
+			return nil
+		} else {
+			g.DeleteView("msg")
+		}
+	} else if globalMouseDown {
+		globalMouseDown = false
+		g.DeleteView("globalDown")
+	}
+	return nil
+}
+
+func mouseDown(g *gocui.Gui, v *gocui.View) error {
+	mx, my := g.MousePosition()
+	if vx0, vy0, vx1, vy1, err := g.ViewPosition("msg"); err == nil {
+		if mx >= vx0 && mx <= vx1 && my >= vy0 && my <= vy1 {
+			return msgDown(g, v)
+		}
+	}
+	globalMouseDown = true
+	maxX, _ := g.Size()
+	test := findUnderMouse()
+	msg := fmt.Sprintf("Mouse really down at: %d,%d", mx, my) + "foobar"
+	if (test == me.ddview) {
+		if (me.ddview.Visible()) {
+			log(true, "hide DDview() Mouse really down at:", mx, my)
+			hideDDview()
+		} else {
+			log(true, "show DDview() Mouse really down at:", mx, my)
+			showDDview()
+		}
+		return nil
+	}
+	x := mx - len(msg)/2
+	if x < 0 {
+		x = 0
+	} else if x+len(msg)+1 > maxX-1 {
+		x = maxX - 1 - len(msg) - 1
+	}
+	log(true, "mouseDown() about to write out message to 'globalDown' view. msg =", msg)
+	if v, err := g.SetView("globalDown", x, my-1, x+len(msg)+1, my+1, 0); err != nil {
+		if !errors.Is(err, gocui.ErrUnknownView) {
+			return err
+		}
+		v.WriteString(msg)
+	}
+	return nil
+}