Commits
Diff
diff --git a/events/main.go b/events/main.go
index 6cf5010..e2e0b7f 100644
--- a/events/main.go
+++ b/events/main.go
@@ -42 +41,0 @@ type Focus struct {
-// this could take the real document and apply the events calculated to it
@@ -65,2 +63,0 @@ func (m *Monitor) GetEvents(data *EventData) {
-// It does make sense that events would be attached to the state and not the document (the fake document)
-
@@ -77,5 +73,0 @@ func (m *Monitor) CalcEvents(n *element.Node, data *EventData) {
- // events := map[string]Event{}
- // for k, v := range *m.State {
- // event[k] =
- // }
-
package events
import (
"fmt"
adapter "gui/adapters"
"gui/cstyle"
"gui/element"
"sort"
"strconv"
"strings"
"unicode"
"slices"
)
type EventData struct {
Position []int
Click bool
Context bool
Scroll int
Key int
KeyState bool
}
type Monitor struct {
Document *element.Node
State *map[string]element.State
EventList *element.EventList
Adapter *adapter.Adapter
History *map[string]element.EventList
CSS *cstyle.CSS
Focus Focus
}
type Focus struct {
Selected int
LastClickWasFocused bool
Nodes []*element.Node
SoftFocused *element.Node
}
// this could take the real document and apply the events calculated to it
func (m *Monitor) RunEvents(n *element.Node, rd []element.State) bool {
eventRan := false
for _, evt := range *m.History {
if len(evt.List) > 0 {
for _, v := range evt.List {
if len(evt.Event.Target.Properties.EventListeners[v]) > 0 {
for _, handler := range evt.Event.Target.Properties.EventListeners[v] {
handler(evt.Event)
eventRan = true
}
}
}
}
}
return eventRan
}
func (m *Monitor) GetEvents(data *EventData) {
m.Focus.LastClickWasFocused = false
m.CalcEvents(m.Document, data)
}
// It does make sense that events would be attached to the state and not the document (the fake document)
func (m *Monitor) CalcEvents(n *element.Node, data *EventData) {
if data.Click {
m.Focus.SoftFocused = nil
}
// loop through state to build events, then use multithreading to complete
// map
for _, v := range n.Children {
m.CalcEvents(v, data)
}
// events := map[string]Event{}
// for k, v := range *m.State {
// event[k] =
// }
if n.TabIndex > -1 {
if m.Focus.Nodes != nil {
selectedIndex := -1
for i, v := range m.Focus.Nodes {
if v.Properties.Id == n.Properties.Id {
selectedIndex = i
}
}
if selectedIndex == -1 {
if n.TabIndex == 9999999 {
// Add the last digits of the properties.id to make the elements sort in order
numStr := strings.TrimFunc(n.Properties.Id, func(r rune) bool {
return !unicode.IsDigit(r) // Remove non-digit characters
})
prid, _ := strconv.Atoi(numStr)
n.TabIndex += prid
}
m.Focus.Nodes = append([]*element.Node{n}, m.Focus.Nodes...)
}
} else {
m.Focus = Focus{}
m.Focus.Selected = -1
m.Focus.Nodes = append(m.Focus.Nodes, n)
}
}
sort.Slice(m.Focus.Nodes, func(i, j int) bool {
return m.Focus.Nodes[i].TabIndex < m.Focus.Nodes[j].TabIndex // Ascending order by TabIndex
})
mHistory := *m.History
eventList := []string{}
evt := mHistory[n.Properties.Id].Event
s := *m.State
self := s[n.Properties.Id]
if evt.Target == nil {
if len(data.Position) < 2 {
data.Position = []int{0, 0}
}
evt = element.Event{
X: data.Position[0],
Y: data.Position[1],
MouseUp: true,
MouseLeave: true,
Target: n,
}
(*m.History)[n.Properties.Id] = element.EventList{
Event: evt,
List: []string{},
}
}
var isMouseOver, isFocused bool
if m.Focus.SoftFocused != nil {
isFocused = m.Focus.SoftFocused.Properties.Id == n.Properties.Id
} else {
isFocused = false
}
insideX := (self.X < float32(data.Position[0]) && self.X+self.Width > float32(data.Position[0]))
insideY := (self.Y < float32(data.Position[1]) && self.Y+self.Height > float32(data.Position[1]))
inside := (insideX && insideY)
arrowScroll := 0
if isFocused {
// This allows for arrow scrolling when off the element and typing
if m.Focus.SoftFocused != nil {
if data.Key == 265 {
// up
arrowScroll += 20
} else if data.Key == 264 {
// Down
arrowScroll -= 20
}
}
// Get the keycode of the pressed key
if data.Key != 0 {
if n.ContentEditable {
// Sync the innertext and value but idk
n.Value = n.InnerText
ProcessKeyEvent(n, int(data.Key))
n.InnerText = n.Value
eventList = append(eventList, "keypress")
}
}
if data.Key == 258 && data.KeyState && !m.Focus.LastClickWasFocused {
// Tab
mfsLen := len(m.Focus.Nodes)
if mfsLen > 0 {
store := m.Focus.Selected
m.Focus.Selected += 1
if m.Focus.Selected >= mfsLen {
m.Focus.Selected = 0
}
if store != m.Focus.Selected {
if store > -1 {
m.Focus.Nodes[store].Blur()
}
m.Focus.Nodes[m.Focus.Selected].Focus()
m.Focus.LastClickWasFocused = true
}
}
}
}
if inside || isFocused {
// Mouse is over element
isMouseOver = true
if !slices.Contains(n.ClassList.Classes, ":hover") {
n.ClassList.Add(":hover")
}
if data.Click && !evt.MouseDown {
evt.MouseDown = true
evt.MouseUp = false
if n.OnMouseDown != nil {
n.OnMouseDown(evt)
}
eventList = append(eventList, "mousedown")
}
if !data.Click && !evt.MouseUp {
evt.MouseUp = true
evt.MouseDown = false
evt.Click = false
if n.OnMouseUp != nil {
n.OnMouseUp(evt)
}
eventList = append(eventList, "mouseup")
}
if data.Click && !evt.Click {
evt.Click = true
if n.TabIndex > -1 {
if m.Focus.Selected > -1 {
if m.Focus.Nodes[m.Focus.Selected].Properties.Id != n.Properties.Id {
m.Focus.Nodes[m.Focus.Selected].Blur()
for i, v := range m.Focus.Nodes {
if v.Properties.Id == n.Properties.Id {
m.Focus.Selected = i
n.Focus()
m.Focus.LastClickWasFocused = true
break
}
}
} else {
m.Focus.LastClickWasFocused = true
}
} else {
selectedIndex := -1
for i, v := range m.Focus.Nodes {
if v.Properties.Id == n.Properties.Id {
selectedIndex = i
}
}
if selectedIndex == -1 {
if n.TabIndex == 9999999 {
// Add the last digits of the properties.id to make the elements sort in order
numStr := strings.TrimFunc(n.Properties.Id, func(r rune) bool {
return !unicode.IsDigit(r) // Remove non-digit characters
})
prid, _ := strconv.Atoi(numStr)
n.TabIndex += prid
}
m.Focus.Nodes = append([]*element.Node{n}, m.Focus.Nodes...)
sort.Slice(m.Focus.Nodes, func(i, j int) bool {
return m.Focus.Nodes[i].TabIndex < m.Focus.Nodes[j].TabIndex // Ascending order by TabIndex
})
for i, v := range m.Focus.Nodes {
if v.Properties.Id == n.Properties.Id {
selectedIndex = i
}
}
}
m.Focus.Selected = selectedIndex
n.Focus()
m.Focus.LastClickWasFocused = true
}
} else if m.Focus.Selected > -1 {
if m.Focus.Nodes[m.Focus.Selected].Properties.Id != n.Properties.Id && !m.Focus.LastClickWasFocused {
m.Focus.Nodes[m.Focus.Selected].Blur()
m.Focus.Selected = -1
}
}
if n.OnClick != nil {
n.OnClick(evt)
}
// Regardless set soft focus to trigger events to the selected element: when non is set default body???
if m.Focus.SoftFocused == nil {
m.Focus.SoftFocused = n
}
eventList = append(eventList, "click")
}
if data.Context {
evt.ContextMenu = true
if n.OnContextMenu != nil {
n.OnContextMenu(evt)
}
eventList = append(eventList, "contextmenu")
}
// el.ScrollY = 0
if (data.Scroll != 0 && (inside)) || arrowScroll != 0 {
// !TODO: for now just emit a event, will have to add el.scrollX
data.Scroll += arrowScroll
styledEl, _ := m.CSS.GetStyles(n)
// !TODO: Add scrolling for dragging over the scroll bar
// + the dragging part will be hard as events has no context of the scrollbars
if hasAutoOrScroll(styledEl) {
n.ScrollTop = int(n.ScrollTop + (-data.Scroll))
if n.ScrollTop > n.ScrollHeight {
n.ScrollTop = n.ScrollHeight
}
if n.ScrollTop <= 0 {
n.ScrollTop = 0
}
if n.OnScroll != nil {
n.OnScroll(evt)
}
data.Scroll = 0
eventList = append(eventList, "scroll")
}
}
if !evt.MouseEnter {
evt.MouseEnter = true
evt.MouseOver = true
evt.MouseLeave = false
if n.OnMouseEnter != nil {
n.OnMouseEnter(evt)
}
if n.OnMouseOver != nil {
n.OnMouseEnter(evt)
}
eventList = append(eventList, "mouseenter")
eventList = append(eventList, "mouseover")
// Let the adapter know the cursor has changed
m.Adapter.DispatchEvent(element.Event{
Name: "cursor",
Data: self.Cursor,
})
}
if evt.X != int(data.Position[0]) && evt.Y != int(data.Position[1]) {
evt.X = int(data.Position[0])
evt.Y = int(data.Position[1])
if n.OnMouseMove != nil {
n.OnMouseMove(evt)
}
eventList = append(eventList, "mousemove")
}
} else {
isMouseOver = false
if slices.Contains(n.ClassList.Classes, ":hover") {
n.ClassList.Remove(":hover")
}
}
// fmt.Println(isMouseOver)
if !isMouseOver && !evt.MouseLeave {
evt.MouseEnter = false
evt.MouseOver = false
evt.MouseLeave = true
n.Properties.Hover = false
if n.OnMouseLeave != nil {
n.OnMouseLeave(evt)
}
eventList = append(eventList, "mouseleave")
}
if len(n.Properties.Events) > 0 {
eventList = append(eventList, n.Properties.Events...)
}
(*m.History)[n.Properties.Id] = element.EventList{
Event: evt,
List: eventList,
}
}
// ProcessKeyEvent processes key events for text entry.
func ProcessKeyEvent(n *element.Node, key int) {
// Handle key events for text entry
fmt.Println(key)
switch key {
case 8:
// Backspace: remove the last character
if len(n.Value) > 0 {
n.Value = n.Value[:len(n.Value)-1]
n.InnerText = n.InnerText[:len(n.InnerText)-1]
}
case 65:
// Select All: set the entire text as selected
if key == 17 || key == 345 {
n.Properties.Selected = []float32{0, float32(len(n.Value))}
} else {
// Otherwise, append 'A' to the text
n.Value += "A"
}
case 67:
// Copy: copy the selected text (in this case, print it)
if key == 17 || key == 345 {
fmt.Println("Copy:", n.Value)
} else {
// Otherwise, append 'C' to the text
n.Value += "C"
}
case 86:
// Paste: paste the copied text (in this case, set it to "Pasted")
if key == 17 || key == 345 {
n.Value = "Pasted"
} else {
// Otherwise, append 'V' to the text
n.Value += "V"
}
default:
// Record other key presses
n.Value += string(rune(key))
}
}
func hasAutoOrScroll(styledEl map[string]string) bool {
overflowKeys := []string{"overflow", "overflow-x", "overflow-y"}
for _, key := range overflowKeys {
if value, exists := styledEl[key]; exists {
values := strings.Fields(value) // Splits the value by spaces
for _, v := range values {
if v == "auto" || v == "scroll" {
return true
}
}
}
}
return false
}