The Ring programming language version 1.6 book - Part 65 of 189

1. Ring Documentation, Release 1.6
57.18 Using QDateEdit
In this example we will learn about using the QDateEdit class
Load "guilib.ring"
New qApp {
win1 = new qMainWindow() {
setwindowtitle("Using QDateEdit")
setGeometry(100,100,250,100)
new qdateedit(win1) {
setGeometry(20,40,220,30)
}
show()
}
exec()
}
The application during the runtime
57.18. Using QDateEdit 613

2. Ring Documentation, Release 1.6
57.19 Using QDial
In this example we will learn about using the QDial class
Load "guilib.ring"
New qApp {
win1 = new qMainWindow() {
setGeometry(100,100,450,500)
setwindowtitle("Using QDial")
new qdial(win1) {
setGeometry(100,100,250,300)
}
show()
}
exec()
}
The application during the runtime
57.19. Using QDial 614

3. Ring Documentation, Release 1.6
Another Example
Load "guilib.ring"
New qApp {
win1 = new qMainWindow()
{
setGeometry(100,100,450,500)
setwindowtitle("Using QDial")
button1 = new QPushButton(win1){
setGeometry(100,350,100,30)
settext("Increment")
setClickEvent("pIncrement()")
}
button2 = new QPushButton(win1){
setGeometry(250,350,100,30)
settext("Decrement")
setClickEvent("pDecrement()")
}
pdial = new qdial(win1) {
57.19. Using QDial 615

4. Ring Documentation, Release 1.6
setGeometry(100,50,250,300)
setNotchesVisible(true)
setValue(50)
SetValueChangedEvent("pDialMove()")
}
lineedit1 = new qlineedit(win1) {
setGeometry(200,400,50,30)
setalignment(Qt_AlignHCenter)
settext(string(pdial.value()))
setreturnPressedEvent("pPress()")
}
show()
}
exec()
}
func pIncrement
pdial{val=value()}
pdial.setvalue(val+1)
lineedit1{settext(string(val+1))}
func pDecrement
pdial{val=value()}
pdial.setvalue(val-1)
lineedit1{settext(string(val-1))}
func pPress
lineedit1{val=text()}
pdial.setvalue(number(val))
func pDialMove
lineedit1.settext(""+pdial.value())
57.19. Using QDial 616

5. Ring Documentation, Release 1.6
57.20 Using QWebView
In this example we will learn about using the QWebView class
Load "guilib.ring"
New qApp {
win1 = new qMainWindow() {
setwindowtitle("QWebView")
myweb = new qwebview(win1) {
setGeometry(10,10,600,600)
loadpage(new qurl("http://google.com"))
}
setcentralwidget(myweb)
showMaximized()
}
exec()
}
The application during the runtime
57.20. Using QWebView 617

6. Ring Documentation, Release 1.6
57.21 Using QCheckBox
In this example we will learn about using the QCheckBox class
Load "guilib.ring"
New qApp {
win1 = new qMainWindow() {
setwindowtitle("Using QCheckBox")
new qcheckbox(win1) {
setGeometry(100,100,100,30)
settext("New Customer!")
}
showMaximized()
}
exec()
}
The application during the runtime
57.21. Using QCheckBox 618

7. Ring Documentation, Release 1.6
Another Example:
Load "guilib.ring"
New qApp {
win1 = new qMainWindow() {
setGeometry(100,100,400,300)
setwindowtitle("Using QCheckBox")
### 0-Unchecked 1-Checked
CheckBox = new qcheckbox(win1) {
setGeometry(100,100,160,30)
settext("New Customer!")
setclickedEvent("HandleClickEvent()")
}
show()
}
exec()
}
Func HandleClickEvent
if CheckBox.isChecked() = 1
CheckBox.settext("New Customer. Check 1-ON")
else
CheckBox.settext("New Customer. Check 0-OFF")
ok
57.22 Using QRadioButton and QButtonGroup
In this example we will learn about using the QRadioButton and QButtonGroup classes
Load "guilib.ring"
57.22. Using QRadioButton and QButtonGroup 619

8. Ring Documentation, Release 1.6
New qApp {
win1 = new qMainWindow() {
setwindowtitle("Using QRadioButton")
new qradiobutton(win1) {
setGeometry(100,100,100,30)
settext("One")
}
new qradiobutton(win1) {
setGeometry(100,150,100,30)
settext("Two")
}
new qradiobutton(win1) {
setGeometry(100,200,100,30)
settext("Three")
}
group2 = new qbuttongroup(win1) {
btn4 = new qradiobutton(win1) {
setGeometry(200,150,100,30)
settext("Four")
}
btn5 = new qradiobutton(win1) {
setGeometry(200,200,100,30)
settext("Five")
}
addbutton(btn4,0)
addbutton(btn5,0)
}
showMaximized()
}
exec()
}
The application during the runtime
57.22. Using QRadioButton and QButtonGroup 620

9. Ring Documentation, Release 1.6
57.23 Adding Hyperlink to QLabel
In this example we will learn about creating Hyperlink using the QLabel class
Load "guilib.ring"
New qApp {
win1 = new qMainWindow() {
setwindowtitle("QLabel - Hyperlink")
new qlabel(win1) {
setGeometry(100,100,100,30)
setopenexternallinks(true)
settext('<a href="http://google.com">Google</a>')
}
showMaximized()
}
exec()
}
The application during the runtime
57.23. Adding Hyperlink to QLabel 621

10. Ring Documentation, Release 1.6
57.24 QVideoWidget and QMediaPlayer
In this example we will learn about using the QVideoWidget and QMediaPlayer classes to play a group of movies
from different positions at the same time
Load "guilib.ring"
New qApp {
win1 = new qMainWindow() {
setwindowtitle("QVideoWidget")
btn1 = new qpushbutton(win1) {
setGeometry(0,0,100,30)
settext("play")
setclickevent("player.play() player2.play()
player3.play() player4.play()")
}
videowidget = new qvideowidget(win1) {
setGeometry(50,50,600,300)
setstylesheet("background-color: black")
}
videowidget2 = new qvideowidget(win1) {
setGeometry(700,50,600,300)
setstylesheet("background-color: black")
}
videowidget3 = new qvideowidget(win1) {
setGeometry(50,370,600,300)
setstylesheet("background-color: black")
}
videowidget4 = new qvideowidget(win1) {
57.24. QVideoWidget and QMediaPlayer 622