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// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
// Use of this source code is governed by the GPL 3.0
package main
import (
"slices"
"github.com/awesome-gocui/gocui"
log "go.wit.com/log"
"go.wit.com/widget"
)
/*
gocui defines the offset like this:
width -> increases to the right
---------------------------------- hieght
| H = 1 | increases
| | |
| W = 1 W = 18 | |
| | v
| H = 5 | downwards
-------------------------------------
*/
// change over to this name
// returns all the widgets under (X,H) that are visible
func findByXY(w int, h int) []*guiWidget {
rootW := me.treeRoot.TK.(*guiWidget)
// this searches the binary tree recursively (function is right below)
return rootW.findByXYreal(w, h)
}
func (r rectType) inRect(w int, h int) bool {
if (r.w0 <= w) && (w <= r.w1) && (r.h0 <= h) && (h <= r.h1) {
return true
}
return false
}
// this checks a widget to see if it is under (W,H), then checks the widget's children
// anything that matches is passed back as an array of widgets
func (tk *guiWidget) findByXYreal(w int, h int) []*guiWidget {
var widgets []*guiWidget
// if !tk.Visible() {
// ignore widgets that are not visible
// } else {
// check the location to see if this is under (W,H)
// if it is, return this widget
// if (tk.gocuiSize.w0 <= w) && (w <= tk.gocuiSize.w1) &&
// (tk.gocuiSize.h0 <= h) && (h <= tk.gocuiSize.h1) {
// if tk.gocuiSize.inRect(w, h) {
// widgets = append(widgets, tk)
// } else {
// if (tk.full.w0 <= w) && (w <= tk.full.w1) &&
// (tk.full.h0 <= h) && (h <= tk.full.h1) {
if tk.full.inRect(w, h) {
widgets = append(widgets, tk)
}
// log.Log(GOCUI, "findByXY() found", widget.WidgetType(), w, h)
// }
// }
// tk.verifyRect()
// search through the children widgets in the binary tree
for _, child := range tk.children {
widgets = append(widgets, child.findByXYreal(w, h)...)
}
return widgets
}
// returns all the windows from the root of the binary tree
func findWindows() []*guiWidget {
rootW := me.treeRoot.TK.(*guiWidget)
return rootW.findWindows()
}
// walk the binary tree looking for WidgetType == Window
func (tk *guiWidget) findWindows() []*guiWidget {
var found []*guiWidget
if tk.WidgetType() == widget.Window {
found = append(found, tk)
}
for _, child := range tk.children {
found = append(found, child.findWindows()...)
}
return found
}
// used by gocui.TabKey to rotate through the windows
func findNextWindow() *guiWidget {
var found bool
if len(me.allwin) == 0 {
return nil
}
for _, tk := range me.allwin {
if tk.window.active {
found = true
continue
}
if found {
return tk
}
}
// at the end, loop to the beginning
return me.allwin[0]
}
// find the window under the mouse and only the window under the mouse
func findWindowUnderMouse() *guiWidget {
w, h := me.baseGui.MousePosition()
if len(me.allwin) != len(findWindows()) {
me.allwin = findWindows()
}
// if the stdout window is on top, check it first
if me.stdout.outputOnTop {
if me.stdout.tk.full.inRect(w, h) {
// log.Info(fmt.Sprintf("findWindowUnderMouse() found %s stdout on top (%dx%d)", me.stdout.tk.cuiName, w, h))
return me.stdout.tk
}
}
// now check if the active window is below the mouse
for _, tk := range me.allwin {
if tk.window.active {
if tk.full.inRect(w, h) {
// log.Info(fmt.Sprintf("findWindowUnderMouse() found %s active window (%dx%d)", tk.cuiName, w, h))
return tk
}
}
}
// well, just find any window then
// sorting by order might work?
slices.SortFunc(me.allwin, func(a, b *guiWidget) int {
return a.window.order - b.window.order
})
for _, win := range me.allwin {
if win.full.inRect(w, h) {
// log.Info(fmt.Sprintf("findWindowUnderMouse() found %s window (%dx%d)", win.cuiName, w, h))
return win
}
}
// okay, no window. maybe the stdout is there?
if me.stdout.tk.full.inRect(w, h) {
// log.Info(fmt.Sprintf("findWindowUnderMouse() found %s stdout (%dx%d)", me.stdout.tk.cuiName, w, h))
return me.stdout.tk
}
// geez. nothing! maybe auto return stdout?
log.Info("findWindowUnderMouse() no window found at", w, h)
return nil
}
func (tk *guiWidget) findParentWindow() *guiWidget {
if tk.WidgetType() == widget.Window {
return tk
}
if tk.parent == nil {
return nil
}
return tk.parent.findParentWindow()
}
func (tk *guiWidget) findWidgetByName(name string) *guiWidget {
if tk.cuiName == name {
return tk
}
for _, child := range tk.children {
found := child.findWidgetByName(name)
if found != nil {
return found
}
}
return nil
}
func (tk *guiWidget) findWidgetByView(v *gocui.View) *guiWidget {
if tk.v == v {
return tk
}
if tk.cuiName == v.Name() {
log.Log(NOW, "findWidget() error. names are mismatched or out of sync", tk.cuiName)
log.Log(NOW, "findWidget() or maybe the view has been deleted")
// return tk
}
for _, child := range tk.children {
found := child.findWidgetByView(v)
if found != nil {
return found
}
}
return nil
}
func (tk *guiWidget) findWidgetById(id int) *guiWidget {
if tk.WidgetId() == id {
return tk
}
for _, child := range tk.children {
found := child.findWidgetById(id)
if found != nil {
return found
}
}
return nil
}
|
