This document contains code for a notepad application user interface created with the Ring programming language. It defines functions for creating the main window, menu bar, toolbars, dock widgets, and text editor. It also includes functions for common editing actions like opening, saving, printing files and performing search/replace.

1. Ring Documentation, Release 1.5.3
} ,
new qpushbutton(win1) {
setbtnimage(self,"image/search.png")
setclickevent("pFind()")
settooltip("Find and Replace")
} ,
new qpushbutton(win1) {
setbtnimage(self,"image/print.png")
setclickevent("pPrint()")
settooltip("Print")
} ,
new qpushbutton(win1) {
setbtnimage(self,"image/debug.png")
setclickevent("pDebug()")
settooltip("Debug (Run then wait!)")
} ,
new qpushbutton(win1) {
setbtnimage(self,"image/run.png")
setclickevent("pRun()")
settooltip("Run the program")
} ,
new qpushbutton(win1) {
setbtnimage(self,"image/close.png")
setclickevent("pQuit()")
settooltip("Quit")
}
]
tool1 = addtoolbar("files") {
for x in aBtns addwidget(x) addseparator() next
}
menu1 = new qmenubar(win1) {
sub1 = addmenu("File")
sub2 = addmenu("Edit")
sub3 = addmenu("View")
sub4 = addmenu("Help")
sub1 {
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+n"))
setbtnimage(self,"image/new.png")
settext("New")
setclickevent("pNew()")
}
addaction(oAction)
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+o"))
setbtnimage(self,"image/open.png")
settext("Open")
setclickevent("pOpen()")
}
addaction(oAction)
addseparator()
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+s"))
setbtnimage(self,"image/save.png")
settext("Save")
setclickevent("pSave()")
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}
addaction(oAction)
addseparator()
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+e"))
setbtnimage(self,"image/saveas.png")
settext("Save As")
setclickevent("pSaveAs()")
}
addaction(oAction)
addseparator()
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+p"))
setbtnimage(self,"image/print.png")
settext("Print to PDF")
setclickevent("pPrint()")
}
addaction(oAction)
addseparator()
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+d"))
setbtnimage(self,"image/debug.png")
settext("Debug (Run then wait!)")
setclickevent("pDebug()")
}
addaction(oAction)
addseparator()
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+r"))
setbtnimage(self,"image/run.png")
settext("Run")
setclickevent("pRun()")
}
addaction(oAction)
addseparator()
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+F5"))
setbtnimage(self,"image/run.png")
settext("Run GUI Application (No Console)")
setclickevent("pRunNoConsole()")
}
addaction(oAction)
addseparator()
oAction = new qaction(win1) {
setShortcut(new QKeySequence("Ctrl+q"))
setbtnimage(self,"image/close.png")
settext("Exit")
setstatustip("Exit")
setclickevent("pQuit()")
}
addaction(oAction)
}
sub2 {
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+x"))
setbtnimage(self,"image/cut.png")
settext("Cut")
setclickevent("pCut()")
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3. Ring Documentation, Release 1.5.3
}
addaction(oAction)
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+c"))
setbtnimage(self,"image/copy.png")
settext("Copy")
setclickevent("pCopy()")
}
addaction(oAction)
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+v"))
setbtnimage(self,"image/paste.png")
settext("Paste")
setclickevent("pPaste()")
}
addaction(oAction)
addseparator()
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+i"))
setbtnimage(self,"image/font.png")
settext("Font")
setclickevent("pFont()")
}
addseparator()
addaction(oAction)
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+t"))
setbtnimage(self,"image/colors.jpg")
settext("Text Color")
setclickevent("pColor()")
}
addaction(oAction)
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+b"))
setbtnimage(self,"image/colors.jpg")
settext("Back Color")
setclickevent("pColor2()")
}
addaction(oAction)
addseparator()
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+g"))
settext("Go to line")
setclickevent("pGoto()")
}
addaction(oAction)
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+f"))
setbtnimage(self,"image/search.png")
settext("Find and Replace")
setclickevent("pFind()")
}
addaction(oAction)
}
sub3 {
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+p"))
setbtnimage(self,"image/project.png")
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settext("Project Files")
setclickevent("pProject()")
}
addaction(oAction)
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+u"))
setbtnimage(self,"image/source.png")
setclickevent("pSourceCode()")
settext("Source Code")
}
addaction(oAction)
oAction = new qAction(win1) {
setShortcut(new QKeySequence("Ctrl+w"))
setbtnimage(self,"image/richtext.png")
setclickevent("pWebBrowser()")
settext("Web Browser")
}
addaction(oAction)
}
sub4 {
sub5 = addmenu("Development Tools")
sub5 {
oAction = new qAction(win1) {
settext("Programming Language")
setclickevent("pLang()")
}
addaction(oAction)
oAction = new qAction(win1) {
settext("GUI Library")
setclickevent("pGUI()")
}
addaction(oAction)
}
addseparator()
oAction = new qAction(win1) {
settext("About")
setclickevent("pAbout()")
}
addaction(oAction)
}
}
setmenubar(menu1)
status1 = new qstatusbar(win1) {
showmessage("Ready!",0)
}
setstatusbar(status1)
tree1 = new qtreeview(win1) {
setclickedevent("pChangeFile()")
setGeometry(00,00,200,400)
oDir = new QDir()
ofile = new QFileSystemModel() {
setrootpath(oDir.currentpath())
myfiles = new qstringlist()
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myfiles.append("*.ring")
myfiles.append("*.rh")
setnamefilters(myfiles)
setNameFilterDisables(false)
}
setmodel(ofile)
myindex = ofile.index(oDir.currentpath(),0)
for x = 1 to ofile.columncount()
hidecolumn(x)
next
setcurrentindex(myindex)
setexpanded(myindex,true)
header().hide()
}
oDock1 = new qdockwidget(win1,0) {
setGeometry(00,00,200,200)
setwindowtitle("Project Files")
setwidget(tree1)
}
textedit1 = new qtextedit(win1) {
setCursorPositionChangedevent("pCursorPositionChanged()")
setLineWrapMode(QTextEdit_NoWrap)
setAcceptRichText(false)
setTextChangedEvent("lAskToSave = true")
}
oDock2 = new qdockwidget(win1,0) {
setwidget(textedit1)
setwindowtitle("Source Code")
}
oWebBrowser = new qWidget() {
setWindowFlags(Qt_SubWindow)
oWBLabel = new qLabel(win1) {
setText("Website: ")
}
oWBText = new qLineEdit(win1) {
setText(cWebSite)
setReturnPressedEvent("pWebGo()")
}
oWBGo = new qPushButton(win1) {
setText("Go")
setClickEvent("pWebGo()")
}
oWBBack = new qPushButton(win1) {
setText("Back")
setClickEvent("pWebBack()")
}
oWBLayout1 = new qHBoxLayout() {
addWidget(oWBLabel)
addWidget(oWBText)
addWidget(oWBGo)
addWidget(oWBBack)
}
oWebView = new qWebView(win1) {
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6. Ring Documentation, Release 1.5.3
loadpage(new qurl(cWebSite))
}
oWBlayout2 = new qVBoxLayout() {
addLayout(oWBLayout1)
addWidget(oWebView)
}
setLayout(oWBLayout2)
}
oDock3 = new qdockwidget(win1,0) {
setwidget(oWebBrowser)
setwindowtitle("Web Browser")
setFeatures(QDockWidget_DocWidgetClosable)
}
adddockwidget(1,oDock1,1)
adddockwidget(2,oDock2,2)
adddockwidget(2,oDock3,1)
setwinicon(self,"image/notepad.png")
showmaximized()
}
RestoreSettings()
exec()
}
func pWebGo
cWebsite = oWBText.text()
oWebView.LoadPage( new qurl( cWebSite ) )
func pWebBack
oWebView.Back()
func pProject
oDock1.Show()
func pSourceCode
oDock2.Show()
func pWebBrowser
oDock3.Show()
func pChangeFile
myitem = tree1.currentindex()
if ofile.isdir(myitem)
return
ok
cActiveFileName = ofile.filepath(myitem)
textedit1.settext(read(cActiveFileName))
textedit1.setfocus(0)
pCursorPositionChanged()
pSetActiveFileName()
func pSetActiveFileName
oDock2.setWindowTitle("Source Code : " + cActiveFileName)
func pCursorPositionChanged
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status1.showmessage(" Line : "+(textedit1.textcursor().blocknumber()+1)+
" Column : " +(textedit1.textcursor().columnnumber()+1) +
" Total Lines : " + textedit1.document().linecount() ,0)
func pGoto
oInput = New QInputDialog(win1)
{
setwindowtitle("Enter the line number?")
setgeometry(100,100,400,50)
setlabeltext("Line")
settextvalue("1")
exec()
nLine = 0 + oInput.textvalue()
oBlock = textedit1.document().findBlockByLineNumber(nLine-1)
oCursor = textedit1.textcursor()
oCursor.setposition(oBlock.position(),0)
textedit1.settextcursor(oCursor)
}
func pFind
if isobject(oSearch)
oSearch.activatewindow()
return
ok
oSearch = new qWidget()
{
new qLabel(oSearch)
{
setText("Find What : ")
setgeometry(10,10,50,30)
}
oSearchValue = new qlineedit(oSearch)
{
setgeometry(80,10,460,30)
setReturnPressedEvent("pFindValue()")
}
new qLabel(oSearch)
{
setText("Replace with ")
setgeometry(10,45,80,30)
}
oReplaceValue = new qlineedit(oSearch)
{
setgeometry(80,45,460,30)
}
oSearchCase = new qCheckbox(oSearch)
{
setText("Case Sensitive")
setgeometry(80,85,100,30)
}
new qPushButton(oSearch)
{
setText("Find/Find Next")
setgeometry(80,120,100,30)
setclickevent("pFindValue()")
}
new qPushButton(oSearch)
{
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setText("Replace")
setgeometry(200,120,100,30)
setclickevent("pReplace()")
}
new qPushButton(oSearch)
{
setText("Replace All")
setgeometry(320,120,100,30)
setclickevent("pReplaceAll()")
}
new qPushButton(oSearch)
{
setText("Close")
setgeometry(440,120,100,30)
setclickevent("pSearchClose()")
}
setwinicon(oSearch,"image/notepad.png")
setWindowTitle("Find/Replace")
setStyleSheet("background-color:white;")
setFixedsize(550,160)
setwindowflags( Qt_CustomizeWindowHint |
Qt_WindowTitleHint | Qt_WindowStaysOnTopHint)
oSearchFilter = new qallevents(oSearch)
oSearchFilter.setKeyPressEvent("pSearchKeyPress()")
installeventfilter(oSearchFilter)
show()
}
Func pReplace
oCursor = textedit1.textCursor()
if oCursor.HasSelection() = false
new qMessagebox(oSearch)
{
SetWindowTitle("Replace")
SetText("No Selection")
show()
}
return false
ok
cValue = oSearchValue.text()
cSelected = oCursor.SelectedText()
if oSearchCase.checkState() = Qt_Unchecked
cValue = lower(cValue)
cSelected = lower(cSelected)
ok
if cSelected != cValue
new qMessagebox(oSearch)
{
SetWindowTitle("Replace")
SetText("No Match")
show()
}
return false
ok
cValue = oReplaceValue.text()
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nStart = oCursor.SelectionStart()
nEnd = oCursor.SelectionEnd()
cStr = textedit1.toPlainText()
cStr = left(cStr,nStart)+cValue+substr(cStr,nEnd+1)
textedit1.setText(cStr)
return pFindValue()
Func pReplaceAll
cStr = textedit1.toPlainText()
cOldValue = oSearchValue.text()
cNewValue = oReplaceValue.text()
if oSearchCase.checkState() = Qt_Unchecked
# Not Case Sensitive
cStr = SubStr(cStr,cOldValue,cNewValue,true)
else
# Case Sensitive
cStr = SubStr(cStr,cOldValue,cNewValue)
ok
textedit1.setText(cStr)
new qMessagebox(oSearch)
{
SetWindowTitle("Replace All")
SetText("Operation Done")
show()
}
Func pSearchClose
oSearch.close()
oSearch = NULL
func pSearchKeyPress
if oSearchFilter.getKeyCode() = Qt_Key_Escape
pSearchClose()
ok
func pFindValue
oCursor = textedit1.textcursor()
nPosStart = oCursor.Position() + 1
cValue = oSearchValue.text()
cStr = textedit1.toplaintext()
cStr = substr(cStr,nPosStart)
if oSearchCase.checkState() = Qt_Unchecked
cStr = lower(cStr) cValue = lower(cValue)
ok
nPos = substr(cStr,cValue)
if nPos > 0
nPos += nPosStart - 2
oCursor = textedit1.textcursor()
oCursor.setposition(nPos,0)
textedit1.settextcursor(oCursor)
oCursor = textedit1.textcursor()
oCursor.setposition(nPos+len(cValue),1)
textedit1.settextcursor(oCursor)
return true
else
new qMessagebox(oSearch)
{
SetWindowTitle("Search")
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SetText("Cannot find :" + cValue)
show()
}
return false
ok
func pNofileopened
New qMessageBox(win1) {
setWindowTitle("Sorry")
setText("Save the file first!")
show()
}
func pDebug
if cActiveFileName = Null return pNofileopened() ok
cCode = "start run " + cActiveFileName + nl
system(cCode)
func pRun
if cActiveFileName = Null return pNofileopened() ok
cCode = "start ring " + cActiveFileName + nl
system(cCode)
func pRunNoConsole
if cActiveFileName = Null return pNofileopened() ok
cCode = "start /b ring " + cActiveFileName + nl
system(cCode)
func pSave
if cActiveFileName = NULL return pSaveAs() ok
writefile(cActiveFileName,textedit1.toplaintext())
status1.showmessage("File : " + cActiveFileName + " saved!",0)
lAskToSave = false
func pSaveAs
new qfiledialog(win1) {
cName = getsavefilename(win1,"Save As","","source files(*.ring)")
if cName != NULL
cActiveFileName = cName
writefile(cActiveFileName,textedit1.toplaintext())
status1.showmessage("File : " + cActiveFileName + " saved!",0)
pSetActiveFileName()
lAskToSave = false
ok
}
func pPrint
status1.showmessage("Printing to File : RingDoc.pdf",0)
printer1 = new qPrinter(0) {
setoutputformat(1) # 1 = pdf
setoutputfilename("RingDoc.pdf")
textedit1.print(printer1)
}
status1.showmessage("Done!",0)
system("RingDoc.pdf")
func pCut
textedit1.cut()
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