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Diffstat (limited to 'examples3/mdi.py')
| -rwxr-xr-x | examples3/mdi.py | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/examples3/mdi.py b/examples3/mdi.py new file mode 100755 index 0000000..2c1d121 --- /dev/null +++ b/examples3/mdi.py @@ -0,0 +1,360 @@ +#!/usr/bin/env python + +# A simple application. + + +import sys, string +from qt import * + + +fileopen = [ + '16 13 5 1', + '. c #040404', + '# c #808304', + 'a c None', + 'b c #f3f704', + 'c c #f3f7f3', + 'aaaaaaaaa...aaaa', + 'aaaaaaaa.aaa.a.a', + 'aaaaaaaaaaaaa..a', + 'a...aaaaaaaa...a', + '.bcb.......aaaaa', + '.cbcbcbcbc.aaaaa', + '.bcbcbcbcb.aaaaa', + '.cbcb...........', + '.bcb.#########.a', + '.cb.#########.aa', + '.b.#########.aaa', + '..#########.aaaa', + '...........aaaaa' +] + +filesave = [ + '14 14 4 1', + '. c #040404', + '# c #808304', + 'a c #bfc2bf', + 'b c None', + '..............', + '.#.aaaaaaaa.a.', + '.#.aaaaaaaa...', + '.#.aaaaaaaa.#.', + '.#.aaaaaaaa.#.', + '.#.aaaaaaaa.#.', + '.#.aaaaaaaa.#.', + '.##........##.', + '.############.', + '.##.........#.', + '.##......aa.#.', + '.##......aa.#.', + '.##......aa.#.', + 'b.............' +] + +fileprint = [ + '16 14 6 1', + '. c #000000', + '# c #848284', + 'a c #c6c3c6', + 'b c #ffff00', + 'c c #ffffff', + 'd c None', + 'ddddd.........dd', + 'dddd.cccccccc.dd', + 'dddd.c.....c.ddd', + 'ddd.cccccccc.ddd', + 'ddd.c.....c....d', + 'dd.cccccccc.a.a.', + 'd..........a.a..', + '.aaaaaaaaaa.a.a.', + '.............aa.', + '.aaaaaa###aa.a.d', + '.aaaaaabbbaa...d', + '.............a.d', + 'd.aaaaaaaaa.a.dd', + 'dd...........ddd' +] + +document = [ +"12 16 6 1", +" c #040404", +". c None", +"X c white", +"o c #808304", +"O c black", +"+ c #f3f7f3", +" .....", +" XXXXX ....", +" XXXXX X ...", +" XXXXX XX ..", +" XooXX O.", +" X+XXX+XXXO.", +" XXXXXXXXXO.", +" XoooXooXXO.", +" XXXXXXXXXO.", +" XXXXXXXXXO.", +" XoXXoooXXO.", +" XXXXXXXXXO.", +"OXXXXXXXXXO.", +"OXXXXXXXXXO.", +"OOOOOOOOOOO.", +"............" +] + +fileOpenText = \ +'''<img source="fileopen"> +Click this button to open a <em>new file</em>.<br><br> +You can also select the <b>Open</b> command from the <b>File</b> menu.''' + +fileSaveText = \ +'''Click this button to save the file you are editing.<br><br> +You will be prompted for a filename.<br><br> +You can also select the <b>Save</b> command from the <b>File</b> menu.''' + +filePrintText = \ +'''Click this button to print the file you are editing.<br><br> +You can also select the <b>Print</b> command from the <b>File</b> menu.''' + +True=1 +False=0 + +class ApplicationWindow(QMainWindow): + def __init__(self): + QMainWindow.__init__(self,None,'example application main window',Qt.WDestructiveClose) + + self.filename = QString.null + self.printer = QPrinter() + + self.fileTools = QToolBar(self,'file operations') + + openIcon = QPixmap(fileopen) + self.fileOpen = QToolButton(QIconSet(openIcon),'Open File',QString.null,self.load,self.fileTools,'open file') + + saveIcon = QPixmap(filesave) + self.fileSave = QToolButton(QIconSet(saveIcon),'Save File',QString.null,self.save,self.fileTools,'save file') + printIcon = QPixmap(fileprint) + self.filePrint = QToolButton(QIconSet(printIcon),'Print File',QString.null,self.printDoc,self.fileTools,'print file') + + QWhatsThis.whatsThisButton(self.fileTools) + + QWhatsThis.add(self.fileOpen,fileOpenText) + QMimeSourceFactory.defaultFactory().setPixmap('fileopen',openIcon) + QWhatsThis.add(self.fileSave,fileSaveText) + QWhatsThis.add(self.filePrint,filePrintText) + + self.file = QPopupMenu(self) + self.menuBar().insertItem('&File',self.file) + + self.file.insertItem('&New',self.newDoc,Qt.CTRL + Qt.Key_N) + + id = self.file.insertItem(QIconSet(openIcon),'&Open',self.load,Qt.CTRL + Qt.Key_O) + self.file.setWhatsThis(id,fileOpenText) + + id = self.file.insertItem(QIconSet(saveIcon),'&Save',self.save,Qt.CTRL + Qt.Key_S) + self.file.setWhatsThis(id,fileSaveText) + + id = self.file.insertItem('Save &as',self.saveAs) + self.file.setWhatsThis(id,fileSaveText) + + self.file.insertSeparator() + + id = self.file.insertItem(QIconSet(printIcon),'&Print',self.printDoc,Qt.CTRL + Qt.Key_P) + self.file.setWhatsThis(id,filePrintText) + + self.file.insertSeparator() + + self.file.insertItem('&Close',self,SLOT('close()'),Qt.CTRL + Qt.Key_W) + self.file.insertItem('&Quit',qApp,SLOT('closeAllWindows()'),Qt.CTRL + Qt.Key_Q) + + self.menuBar().insertSeparator() + self.windows = QPopupMenu( self ) + self.windows.setCheckable( True ) + self.connect( self.windows, SIGNAL( "aboutToShow()" ), + self.windowsMenuAboutToShow ) + self.menuBar().insertItem( "&Windows", self.windows ) + + self.help = QPopupMenu(self) + self.menuBar().insertSeparator() + self.menuBar().insertItem('&Help',self.help) + + self.help.insertItem('&About',self.about,Qt.Key_F1) + self.help.insertItem('About &Qt',self.aboutQt) + self.help.insertSeparator() + self.help.insertItem( "What's &This", self, SLOT("whatsThis()"), Qt.SHIFT+Qt.Key_F1) + + self.menuBar().insertSeparator() + + self.vb = QVBox( self ) + self.vb.setFrameStyle( QFrame.StyledPanel | QFrame.Sunken ) + self.ws = QWorkspace( self.vb ) + self.ws.setScrollBarsEnabled( True ) + self.setCentralWidget( self.vb ) + + self.statusBar().message('Ready',2000) + #self.resize(450,600) + + def newDoc(self): + w = MDIWindow( self.ws, "", Qt.WDestructiveClose ) + self.connect( w, PYSIGNAL( "message" ), self.statusBar(), SLOT( "message(const QString&, int )") ) + w.setCaption("unnamed document") + w.setIcon( QPixmap(document) ) + # show the very first window in maximized mode + if len(self.ws.windowList())==0: + w.showMaximized() + else: + w.show() + return w + + def load(self): + fn = QFileDialog.getOpenFileName( QString.null, QString.null, self ) + if not fn.isEmpty(): + w = self.newDoc() + w.load( fn ) + else: + self.statusBar().message( "Loading aborted", 2000 ) + + def save(self): + m = self.ws.activeWindow() + if m: + m.save() + + def saveAs(self): + m = self.ws.activeWindow() + if m: + m.saveAs() + + def printDoc(self): + m = self.ws.activeWindow() + if m: + m.printDoc( self.printer ) + + def closeWindow(self): + m = self.ws.activeWindow() + if m: + m.close() + + def about(self): + QMessageBox.about( self, "Qt Application Example", + "This example demonstrates simple use of\n " + "Qt's Multiple Document Interface (MDI).") + + def aboutQt(self): + QMessageBox.aboutQt( self, "Qt Application Example" ) + + def windowsMenuAboutToShow(self): + self.windows.clear() + cascadeId = self.windows.insertItem("&Cascade", self.ws, SLOT("cascade() ") ) + tileId = self.windows.insertItem("&Tile", self.ws, SLOT("tile()" ) ) + if len(self.ws.windowList())==0 : + self.windows.setItemEnabled( cascadeId, False ) + self.windows.setItemEnabled( tileId, False ) + self.windows.insertSeparator() + windows = self.ws.windowList() + cnt=0 + for i in windows: + id =self.windows.insertItem(i.caption(),self.windowsMenuActivated ) + self.windows.setItemParameter( id, cnt ); + self.windows.setItemChecked( id, self.ws.activeWindow() == i ) + cnt=cnt+1 + + def windowsMenuActivated(self,sid ): + w = self.ws.windowList().at( id ) + if w: + w.showNormal() + w.setFocus() + + +class MDIWindow( QMainWindow): + def __init__(self,parent, name, wflags ): + QMainWindow.__init__(self,parent, name, wflags ) + self.mmovie = 0 + self.medit = QMultiLineEdit( self ) + self.setFocusProxy( self.medit ) + self.setCentralWidget( self.medit ); + + + def load(self, fn ): + self.filename = fn + self.f=QFile( self.filename ) + if not self.f.open( IO_ReadOnly ): + return + + if fn.contains(".gif"): + tmp=QWidget(self) + self.setFocusProxy(tmp) + self.setCentralWidget(tmp) + self.medit.hide() + del self.medit + qm=QMovie(fn) + #ifdef Q_WS_QWS // temporary speed-test hack + #qm->setDisplayWidget(tmp); + #endif + tmp.setBackgroundMode(QWidget.NoBackground) + tmp.show() + self.mmovie=qm + else : + self.mmovie = 0 + t=QTextStream(self.f) + s = t.read() + self.medit.setText( s ) + self.f.close() + self.setCaption( self.filename ) + self.emit(PYSIGNAL( "message"),(QString("Loaded document %1").arg(self.filename),2000 )) + + def save(self): + if self.filename.isEmpty(): + self.saveAs() + return + text = self.medit.text() + output=open(str(self.filename),'w') + output.write(str(text)) + #emit message( QString("Could not write to %1").arg(filename), 2000 ); + #return + output.close() + self.setCaption(self.filename) + self.emit(PYSIGNAL( "message"),(QString("File %1 saved").arg(self.filename),2000 )) + + def saveAs(self): + fn = QFileDialog.getSaveFileName( self.filename, QString.null, self ) + if not fn.isEmpty(): + self.filename = fn + self.save() + else : + self.emit(PYSIGNAL( "message"),(QString("Saving aborted"),2000 )) + + def printDoc(self,printer): + Margin = 10 + pageNo = 1 + + if printer.setup(self): + self.emit(PYSIGNAL( "message"),(QString("Printing..."),2000 )) + p = QPainter() + p.begin(printer) + p.setFont(self.medit.font()) + yPos = 0 + fm = p.fontMetrics() + metrics = QPaintDeviceMetrics(printer) + + for i in range(self.medit.numLines()): + if Margin + yPos > metrics.height() - Margin: + pageNo = pageNo + 1 + self.emit(PYSIGNAL( "message"),(QString("Printing (page %1) ...").arg(pageNo),2000 )) + printer.newPage() + yPos = 0 + + p.drawText(Margin,Margin + yPos,metrics.width(),fm.lineSpacing(),Qt.ExpandTabs | Qt.DontClip,self.medit.textLine(i)) + yPos = yPos + fm.lineSpacing() + + p.end() + self.emit(PYSIGNAL( "message"),(QString("Printing completed"),2000 )) + else: + self.emit(PYSIGNAL( "message"),(QString("Printing aborted"),2000 )) + + +if __name__=='__main__': + a = QApplication(sys.argv) + mw = ApplicationWindow() + mw.setCaption("PyQt Example - Multiple Documents Interface (MDI)") + mw.show() + a.connect(a, SIGNAL('lastWindowClosed()'), a, SLOT('quit()')) + a.exec_loop() |