The Ring programming language version 1.3 book - Part 51 of 88

1. Ring Documentation, Release 1.3
} ,
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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}
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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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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