The Ring programming language version 1.8 book - Part 69 of 202

1. Ring Documentation, Release 1.8
exec()
}
The application during the runtime
60.15 Using QProgressBar
In this example we will learn about using the QProgressBar class
Load "guilib.ring"
New qApp {
win1 = new qMainWindow() {
setGeometry(100,100,600,150)
setwindowtitle("Using QProgressBar")
for x = 10 to 100 step 10
new qprogressbar(win1) {
setGeometry(100,x,350,30)
setvalue(x)
}
next
show()
}
exec()
}
The application during the runtime
60.15. Using QProgressBar 651

2. Ring Documentation, Release 1.8
60.16 Using QSpinBox
In this example we will learn about using the QSpinBox class
Load "guilib.ring"
New qApp {
win1 = new qMainWindow() {
setGeometry(100,100,450,260)
setwindowtitle("Using QSpinBox")
new qspinbox(win1) {
setGeometry(50,100,350,30)
setvalue(50)
}
show()
}
exec()
}
The application during the runtime
60.16. Using QSpinBox 652

3. Ring Documentation, Release 1.8
60.17 Using QSlider
In this example we will learn about using the QSlider class
Load "guilib.ring"
New qApp {
win1 = new qMainWindow() {
setGeometry(100,100,500,400)
setwindowtitle("Using QSlider")
new qslider(win1) {
setGeometry(100,100,50,130)
settickinterval(50)
}
new qslider(win1) {
setGeometry(100,250,250,30)
settickinterval(50)
setorientation(Qt_Horizontal)
}
show()
}
exec()
}
The application during the runtime
60.17. Using QSlider 653

4. Ring Documentation, Release 1.8
60.18 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
60.18. Using QDateEdit 654

5. Ring Documentation, Release 1.8
60.19 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
60.19. Using QDial 655

6. Ring Documentation, Release 1.8
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) {
60.19. Using QDial 656

7. Ring Documentation, Release 1.8
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())
60.19. Using QDial 657

8. Ring Documentation, Release 1.8
60.20 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
60.20. Using QWebView 658

9. Ring Documentation, Release 1.8
60.21 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
60.21. Using QCheckBox 659

10. Ring Documentation, Release 1.8
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
60.22 Using QRadioButton and QButtonGroup
In this example we will learn about using the QRadioButton and QButtonGroup classes
Load "guilib.ring"
60.22. Using QRadioButton and QButtonGroup 660