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Diffstat (limited to 'examples/application.py')
| -rwxr-xr-x | examples/application.py | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/examples/application.py b/examples/application.py new file mode 100755 index 0000000..056e895 --- /dev/null +++ b/examples/application.py @@ -0,0 +1,277 @@ +#!/usr/bin/env python + +# A simple application. + + +import sys, string +from python_tqt.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' +] + + +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.''' + + +editorList = [] + + +class ApplicationWindow(TQMainWindow): + def __init__(self): + TQMainWindow.__init__(self,None,'example application main window',TQt.WDestructiveClose) + + self.filename = TQString.null + self.printer = TQPrinter() + + self.fileTools = TQToolBar(self,'file operations') + + openIcon = TQPixmap(fileopen) + self.fileOpen = TQToolButton(TQIconSet(openIcon),'Open File',TQString.null,self.load,self.fileTools,'open file') + + saveIcon = TQPixmap(filesave) + self.fileSave = TQToolButton(TQIconSet(saveIcon),'Save File',TQString.null,self.save,self.fileTools,'save file') + + printIcon = TQPixmap(fileprint) + self.filePrint = TQToolButton(TQIconSet(printIcon),'Print File',TQString.null,self.printDoc,self.fileTools,'print file') + + TQWhatsThis.whatsThisButton(self.fileTools) + + TQWhatsThis.add(self.fileOpen,fileOpenText) + TQMimeSourceFactory.defaultFactory().setPixmap('fileopen',openIcon) + TQWhatsThis.add(self.fileSave,fileSaveText) + TQWhatsThis.add(self.filePrint,filePrintText) + + self.file = TQPopupMenu(self) + self.menuBar().insertItem('&File',self.file) + + self.file.insertItem('&New',self.newDoc,TQt.CTRL + TQt.Key_N) + + id = self.file.insertItem(TQIconSet(openIcon),'&Open',self.load,TQt.CTRL + TQt.Key_O) + self.file.setWhatsThis(id,fileOpenText) + + id = self.file.insertItem(TQIconSet(saveIcon),'&Save',self.save,TQt.CTRL + TQt.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(TQIconSet(printIcon),'&Print',self.printDoc,TQt.CTRL + TQt.Key_P) + self.file.setWhatsThis(id,filePrintText) + + self.file.insertSeparator() + + self.file.insertItem('&Close',self,SLOT('close()'),TQt.CTRL + TQt.Key_W) + self.file.insertItem('&Quit',tqApp,SLOT('closeAllWindows()'),TQt.CTRL + TQt.Key_Q) + + self.help = TQPopupMenu(self) + self.menuBar().insertSeparator() + self.menuBar().insertItem('&Help',self.help) + + self.help.insertItem('&About',self.about,TQt.Key_F1) + self.help.insertItem('About &TQt',self.aboutTQt) + + self.e = TQMultiLineEdit(self,'editor') + self.e.setFocus() + self.setCentralWidget(self.e) + + self.statusBar().message('Ready',2000) + self.resize(450,600) + + def newDoc(self): + ed = ApplicationWindow() + ed.show() + editorList.append(ed) + + def load(self): + fn = TQFileDialog.getOpenFileName(TQString.null,TQString.null,self) + if fn.isEmpty(): + self.statusBar().message('Loading aborted',2000) + return + + fileName = str(fn) + + self.e.setAutoUpdate(0) + self.e.clear() + + try: + f = open(fileName,'r') + except: + return + + for l in f.readlines(): + self.e.append(l.rstrip()) + + f.close() + + self.e.setAutoUpdate(1) + self.e.repaint() + self.e.setEdited(0) + self.setCaption(fileName) + self.statusBar().message('Loaded document %s' % (fileName),2000) + + def save(self): + if self.filename.isEmpty(): + self.saveAs() + return + + try: + f = open(str(self.filename),'w+') + except: + self.statusBar().message('Could not write to %s' % (self.filename),2000) + return + + f.write(str(self.e.text())) + f.close() + + self.e.setEdited(0) + self.setCaption(self.filename) + self.statusBar().message('File %s saved' % (self.filename),2000) + + def saveAs(self): + fn = TQFileDialog.getSaveFileName(TQString.null,TQString.null,self) + if not fn.isEmpty(): + self.filename = fn + self.save() + else: + self.statusBar().message('Saving aborted',2000) + + def printDoc(self): + Margin = 10 + pageNo = 1 + + if self.printer.setup(self): + self.statusBar().message('Printing...') + + p = TQPainter() + p.begin(self.printer) + p.setFont(self.e.font()) + yPos = 0 + fm = p.fontMetrics() + metrics = TQPaintDeviceMetrics(self.printer) + + for i in range(self.e.numLines): + if Margin + yPos > metrics.height() - Margin: + pageNo = pageNo + 1 + self.statusBar().message('Printing (page %d)...' % (pageNo)) + self.printer.newPage() + yPos = 0 + + p.drawText(Margin,Margin + yPos,metrics.width(),fm.lineSpacing(),TQt.ExpandTabs | TQt.DontClip,self.e.textLine(i)) + yPos = yPos + fm.lineSpacing() + + p.end() + self.statusBar().message('Printing completed',2000) + else: + self.statusBar().message('Printing aborted',2000) + + def closeEvent(self,ce): + if not self.e.edited(): + ce.accept() + return + + rc = TQMessageBox.information(self,'TQt Application Example', + 'The document has been changed since the last save.', + 'Save Now','Cancel','Leave Anyway',0,1) + + if rc == 0: + self.save() + ce.accept() + elif rc == 2: + ce.accept() + else: + ce.ignore() + + def about(self): + TQMessageBox.about(self,'TQt Application Example', + 'This example demonstrates simple use of TQMainWindow,\nTQMenuBar and TQToolBar.') + + def aboutTQt(self): + TQMessageBox.aboutTQt(self,'TQt Application Example') + + +a = TQApplication(sys.argv) +mw = ApplicationWindow() +mw.setCaption('Document 1') +mw.show() +a.connect(a, SIGNAL('lastWindowClosed()'), a, SLOT('quit()')) +a.exec_loop() |