The Ring programming language version 1.2 book - Part 42 of 84

Ring Documentation, Release 1.2
win1.setwindowtitle("After Delete - NbrOfItems: " + nbrOfItems +
" CurItemNbr: " + curItemNbr +" CurValue: " + curValue )
}
47.5 Using QTreeView and QFileSystemModel
In this example we will learn how to use the QTreeView widget to represent the File System
Load "guilib.ring"
New qApp {
win1 = New qWidget() {
setwindowtitle("Using QTreeView and QFileSystemModel")
setGeometry(100,100,500,400)
New qtreeview(win1) {
setGeometry(00,00,500,400)
oDir = new QDir()
ofile = new QFileSystemModel()
ofile.setrootpath(oDir.currentpath())
setmodel(ofile)
}
show()
}
exec()
}
The application during the runtime
47.5. Using QTreeView and QFileSystemModel 390

47.6 Using QTreeWidget and QTreeWidgetItem
In this example we will learn about using the QTreeWidget and QTreeWidgetItem classes
Load "guilib.ring"
New qApp {
win1 = new qWidget() {
setwindowtitle("TreeWidget")
setGeometry(100,100,400,400)
layout1 = new qvboxlayout()
tree1 = new qtreewidget(win1) {
setcolumncount(1)
myitem = new qtreewidgetitem()
myitem.settext(0,"The First Step")
addtoplevelitem(myitem)
for x = 1 to 10
myitem2 = new qtreewidgetitem()
myitem2.settext(0,"hello"+x)
myitem.addchild(myitem2)
47.6. Using QTreeWidget and QTreeWidgetItem 391

for y = 1 to 10
myitem3 = new qtreewidgetitem()
myitem3.settext(0,"hello"+x)
myitem2.addchild(myitem3)
next
next
setheaderlabel("Steps Tree")
}
layout1.addwidget(tree1)
setlayout(layout1)
show()
}
exec()
}
47.7 Using QComboBox Class
In this example we will learn about using the QComboBox class
47.7. Using QComboBox Class 392

Load "guilib.ring"
New qApp {
setwindowtitle("Using QComboBox")
setGeometry(100,100,400,400)
New QComboBox(win1) {
alist = ["one","two","three","four","five"]
for x in aList additem(x,0) next
}
show()
}
exec()
}
47.8 Creating Menubar
In this example we will learn about using the QMenuBar class
47.8. Creating Menubar 393

Load "guilib.ring"
MyApp = New qApp {
setwindowtitle("Using QMenubar")
setGeometry(100,100,400,400)
menu1 = new qmenubar(win1) {
sub1 = addmenu("File")
sub2 = addmenu("Edit")
sub3 = addmenu("Help")
sub1 {
oAction = new qAction(win1) {
settext("New")
}
addaction(oAction)
settext("Open")
}
addaction(oAction)
settext("Save")
}
addaction(oAction)
settext("Save As")
}
addaction(oAction)
addseparator()
oAction = new qaction(win1) {
settext("Exit")
setclickevent("myapp.quit()")
}
addaction(oAction)
}
sub2 {
settext("Cut")
}
addaction(oAction)
settext("Copy")
}
addaction(oAction)
settext("Paste")
}
addaction(oAction)
addseparator()
settext("Select All")
}
addaction(oAction)
}
sub3 {

settext("Reference")
}
addaction(oAction)
sub4 = addmenu("Sub Menu")
sub4 {
settext("Website")
}
addaction(oAction)
settext("Forum")
}
addaction(oAction)
settext("Blog")
}
addaction(oAction)
}
addseparator()
settext("About")
}
addaction(oAction)
}
}
show()
}
exec()
}

47.9 Creating Toolbar
In this example we will learn about using the QToolBar class
Load "guilib.ring"
New qApp {
win1 = new qMainWindow() {
setwindowtitle("Using QToolbar")
setGeometry(100,100,600,400)
abtns = [
new qpushbutton(win1) { settext("Add") } ,
new qpushbutton(win1) { settext("Edit") } ,
new qpushbutton(win1) { settext("Find") } ,
new qpushbutton(win1) { settext("Delete") } ,
new qpushbutton(win1) { settext("Exit")
setclickevent("win1.close()") }
]
tool1 = new qtoolbar(win1) {
for x in abtns addwidget(x) addseparator() next
setmovable(true)
47.9. Creating Toolbar 396

setFloatable(true)
}
show()
}
exec()
}
47.10 Creating StatusBar
In this example we will learn about using the QStatusBar class
Load "guilib.ring"
New qApp {
setwindowtitle("Using QStatusbar")
setGeometry(100,100,400,400)
status1 = new qstatusbar(win1) {
showmessage("Ready!",0)
47.10. Creating StatusBar 397

}
setstatusbar(status1)
show()
}
exec()
}
47.11 Using QDockWidget
In this example we will learn about using the QDockWidget class
Load "guilib.ring"
New qApp {
setwindowtitle("QDockWidget")
setGeometry(100,100,400,400)
label1 = new qlabel(win1) {
settext("Hello")
47.11. Using QDockWidget 398

setGeometry(300,300,100,100)
}
label2 = new qlabel(win1) {
settext("How are you ?")
setGeometry(100,100,100,100)
}
dock1 = new qdockwidget(win1,0) {
setwidget(label1)
SetAllowedAreas(1)
}
dock2 = new qdockwidget(win1,0) {
setwidget(label2)
SetAllowedAreas(2)
}
adddockwidget(Qt_LeftDockWidgetArea,dock1,Qt_Horizontal)
adddockwidget(Qt_LeftDockWidgetArea,dock2,Qt_Vertical)
show()
}
exec()
}
47.11. Using QDockWidget 399

The Ring programming language version 1.2 book - Part 42 of 84

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The Ring programming language version 1.2 book - Part 42 of 84