The Ring programming language version 1.5.3 book - Part 73 of 184
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This document contains examples of using various Qt GUI classes like QWebView, QCheckBox, QRadioButton, QButtonGroup, QLabel, QVideoWidget, QMediaPlayer, QFrame, and QMenuBar. Each section explains how to use a different class and includes sample code to demonstrate its functionality. The examples show how to load web pages, handle checkbox clicks, group radio buttons, add hyperlinks, play multiple videos simultaneously, add frames, display images, and create menus.
The Ring programming language version 1.5.3 book - Part 73 of 184
- 1. Ring Documentation, Release 1.5.3 56.20 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 56.20. Using QWebView 595
- 2. Ring Documentation, Release 1.5.3 56.21 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 56.21. Using QCheckBox 596
- 3. Ring Documentation, Release 1.5.3 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 56.22 Using QRadioButton and QButtonGroup In this example we will learn about using the QRadioButton and QButtonGroup classes Load "guilib.ring" 56.22. Using QRadioButton and QButtonGroup 597
- 4. Ring Documentation, Release 1.5.3 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 56.22. Using QRadioButton and QButtonGroup 598
- 5. Ring Documentation, Release 1.5.3 56.23 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 56.23. Adding Hyperlink to QLabel 599
- 6. Ring Documentation, Release 1.5.3 56.24 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) { 56.24. QVideoWidget and QMediaPlayer 600
- 7. Ring Documentation, Release 1.5.3 setGeometry(700,370,600,300) setstylesheet("background-color: black") } player = new qmediaplayer() { setmedia(new qurl("1.mp4")) setvideooutput(videowidget) setposition(35*60*1000) } player2 = new qmediaplayer() { setmedia(new qurl("2.mp4")) setvideooutput(videowidget2) setposition(23*60*1000) } player3 = new qmediaplayer() { setmedia(new qurl("3.mp4")) setvideooutput(videowidget3) setposition(14.22*60*1000) } player4 = new qmediaplayer() { setmedia(new qurl("4.avi")) setvideooutput(videowidget4) setposition(8*60*1000) } showfullscreen() } exec() } The application during the runtime 56.24. QVideoWidget and QMediaPlayer 601
- 8. Ring Documentation, Release 1.5.3 56.25 Using QFrame In this example we will learn about using the QFrame class Load "guilib.ring" New qApp { win1 = new qMainWindow() { setwindowtitle("Using QFrame") for x = 0 to 10 frame1 = new qframe(win1,0) { setGeometry(100,20+50*x,400,30) setframestyle(QFrame_Raised | QFrame_WinPanel) } next showMaximized() } exec() } The application during the runtime 56.25. Using QFrame 602
- 9. Ring Documentation, Release 1.5.3 56.26 Display Image using QLabel In this example we will learn about displaying an image using the QLabel widget Load "guilib.ring" New qApp { win1 = new qMainWindow() { setwindowtitle("QLabel - Display image") new qlabel(win1) { image = new qpixmap("b:/mahmoud/photo/advice.jpg") setpixmap(image) setGeometry(0,0,image.width(),image.height()) } 56.26. Display Image using QLabel 603
- 10. Ring Documentation, Release 1.5.3 showMaximized() } exec() } The application during the runtime 56.27 Menubar and StyleSheet Example In this example we will learn about creating menubar and setting the window stylesheet Load "guilib.ring" New qApp { 56.27. Menubar and StyleSheet Example 604