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Diffstat (limited to 'python/pyqt/examples3/progress.py')
| -rwxr-xr-x | python/pyqt/examples3/progress.py | 287 |
1 files changed, 0 insertions, 287 deletions
diff --git a/python/pyqt/examples3/progress.py b/python/pyqt/examples3/progress.py deleted file mode 100755 index acdbd5aa..00000000 --- a/python/pyqt/examples3/progress.py +++ /dev/null @@ -1,287 +0,0 @@ -#!/usr/bin/env python - -#/**************************************************************************** -#** $Id$ -#** -#** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. -#** -#** This file is part of an example program for Qt. This example -#** program may be used, distributed and modified without limitation. -#** -#** Converted to PyQt3: Hans-Peter Jansen <hpj@urpla.net> -#** -#*****************************************************************************/ - -from qt import * -import sys -from random import random - -TRUE = 1 -FALSE = 0 - -class AnimatedThingy(QLabel): - def __init__(self, parent, s): - QLabel.__init__(self, parent) - self.nqix = 40 - self.step = 0 - self.ox = [] - self.oy = [] - self.px = [] - self.py = [] - for i in range(self.nqix): - self.ox.append(0) - self.oy.append(0) - self.px.append(0) - self.py.append(0) - self.x0, self.y0, self.x1, self.y1 = 0, 0, 0, 0 - self.dx0 = 2 + int(random() * 8) - self.dy0 = 2 + int(random() * 8) - self.dx1 = 2 + int(random() * 8) - self.dy1 = 2 + int(random() * 8) - self.label = QString(s) - self.setEraseColor(Qt.black) - self.label.append("\n... and wasting CPU\nwith this animation!\n") - - def XXXshow(self): - if not self.isVisible(): - print "bla" - self.startTimer(100) - QWidget.show(self) - - def hide(self): - QWidget.hide(self) - self.killTimers() - - def sizeHint(self): - return QSize(120, 100) - - def timerEvent(self, e): - p, pn = self._painter() - pn.setColor(self.eraseColor()) - p.setPen(pn) - self.step = step = (self.step + 1) % self.nqix - # erase line - p.drawLine(self.ox[step], self.oy[step], self.px[step], self.py[step]) - # calc new line coordinates - self.x0, self.dx0 = self._inc(self.x0, self.dx0, self.width()) - self.y0, self.dy0 = self._inc(self.y0, self.dy0, self.height()) - self.x1, self.dx1 = self._inc(self.x1, self.dx1, self.width()) - self.y1, self.dy1 = self._inc(self.y1, self.dy1, self.height()) - self.ox[step] = self.x0 - self.oy[step] = self.y0 - self.px[step] = self.x1 - self.py[step] = self.y1 - self._drawqix(p, pn, step) - self._drawtxt(p) - - def paintEvent(self, e): - p, pn = self._painter() - p.setClipRect(e.rect()) - for i in range(self.nqix): - self._drawqix(p, pn, i) - self._drawtxt(p) - - def _painter(self): - p = QPainter(self) - pn = p.pen() - pn.setWidth(2) - p.setPen(pn) - return p, pn - - def _drawqix(self, p, pn, step): - c = QColor() - # enhanced rainbow effect - i = (step * 511)/self.nqix - if i > 255: - i = 511 - i - c.setHsv(i, 255, 255) - pn.setColor(c) - p.setPen(pn) - p.drawLine(self.ox[step], self.oy[step], self.px[step], self.py[step]) - - def _drawtxt(self, p): - #p.setPen(self.colorGroup().text()) - p.setPen(Qt.white) - p.drawText(self.rect(), Qt.AlignCenter, self.label) - - def _inc(self, x, dx, b): - x += dx - if x < 0: - x = 0 - dx = 2 + int(random() * 8) - elif x >= b: - x = b-1 - dx = -(2 + int(random() * 8)) - return x, dx - - -class CPUWaster(QWidget): - def __init__(self): - QWidget.__init__(self) - self.first_draw_item = 1000 - self.last_draw_item = 1006 - self.rects = 0 - self.timer_driven = 0 - self.default_label = 0 - self.got_stop = 0 - self.pb = None - menubar = QMenuBar(self, "menu") - file = QPopupMenu() - menubar.insertItem("&File", file) - for i in range(self.first_draw_item, self.last_draw_item + 1): - file.insertItem(self.drawItemText(i), i) - self.connect(menubar, SIGNAL("activated(int)"), self.doMenuItem) - file.insertSeparator() - file.insertItem("Quit", qApp, SLOT("quit()")) - options = QPopupMenu() - menubar.insertItem("&Options", options) - self.td_id = options.insertItem("Timer driven", self.timerDriven) - self.ld_id = options.insertItem("Loop driven", self.loopDriven) - options.insertSeparator() - self.dl_id = options.insertItem("Default label", self.defaultLabel) - self.cl_id = options.insertItem("Custom label", self.customLabel) - options.insertSeparator() - self.md_id = options.insertItem("No minimum duration", self.toggleMinimumDuration) - options.setCheckable(TRUE) - self.options = options - self.menubar = menubar - self.file = file - #self.loopDriven() - self.timerDriven() - #self.defaultLabel() - self.customLabel() - self.setFixedSize(400, 300) - self.setEraseColor(Qt.black) - - def drawItemRects(self, id): - n = id - self.first_draw_item - r = 100 - while n: - n -= 1 - f = 5 - if not n % 3: - f = 4 - r *= f - return r - - def drawItemText(self, id): - return QString("%d Rectangles" % self.drawItemRects(id)) - - # slots - def doMenuItem(self, id): - if id >= self.first_draw_item and id <= self.last_draw_item: - self._draw(self.drawItemRects(id)) - - def stopDrawing(self): - self.got_stop = TRUE - - def timerDriven(self): - self.timer_driven = TRUE - self.options.setItemChecked(self.td_id, TRUE) - self.options.setItemChecked(self.ld_id, FALSE) - - def loopDriven(self): - self.timer_driven = FALSE - self.options.setItemChecked(self.ld_id, TRUE) - self.options.setItemChecked(self.td_id, FALSE) - - def defaultLabel(self): - self.default_label = TRUE - self.options.setItemChecked(self.dl_id, TRUE) - self.options.setItemChecked(self.cl_id, FALSE) - - def customLabel(self): - self.default_label = FALSE - self.options.setItemChecked(self.dl_id, FALSE) - self.options.setItemChecked(self.cl_id, TRUE) - - def toggleMinimumDuration(self): - self.options.setItemChecked(self.md_id, not self.options.isItemChecked(self.md_id)) - - def timerEvent(self, e): - self.pb.setProgress(self.pb.totalSteps() - self.rects) - self.rects -= 1 - p = QPainter(self) - ww = self.width() - wh = self.height() - - if ww > 8 and wh > 8: - c = QColor(int(random() * 255), int(random() * 255), int(random() * 255)) - x = int(random() * (ww-8)) - y = int(random() * (wh-8)) - w = int(random() * (ww-x)) - h = int(random() * (wh-y)) - p.fillRect(x, y, w, h, QBrush(c)) - - if not self.rects or self.got_stop: - self.pb.setProgress(self.pb.totalSteps()) - p = QPainter(self) - p.fillRect(0, 0, self.width(), self.height(), QBrush(self.eraseColor())) - self.enableDrawingItems(TRUE) - self.killTimers() - if not self.default_label: - self.pb.killTimers() - self.l.killTimers() - del self.pb - self.pb = None - - def newProgressDialog(self, label, steps, modal): - d = QProgressDialog(label, "Cancel", steps, self, "progress", modal) - if self.options.isItemChecked(self.md_id): - d.setMinimumDuration(0) - if not self.default_label: - self.l = AnimatedThingy(d, label) - d.setLabel(self.l) - self.l.startTimer(100) - return d - - def enableDrawingItems(self, yes): - for i in range(self.first_draw_item, self.last_draw_item): - self.menubar.setItemEnabled(i, yes) - - def _draw(self, n): - if self.timer_driven: - if self.pb: - qWarning("This cannot happen!") - return - - self.rects = n - self.pb = self.newProgressDialog("Drawing rectangles.\nUsing timer event.", n, FALSE) - self.pb.setCaption("Please Wait") - self.connect(self.pb, SIGNAL("cancelled()"), self.stopDrawing) - self.enableDrawingItems(FALSE) - self.startTimer(10) - self.got_stop = FALSE - else: - lpb = self.newProgressDialog("Drawing rectangles.\nUsing loop.", n, TRUE) - lpb.setCaption("Please Wait") - - p = QPainter(self) - for i in range(n): - lpb.setProgress(i) - if lpb.wasCancelled(): - break - c = QColor(int(random() * 255), int(random() * 255), int(random() * 255)) - x = int(random() * (self.width()-8)) - y = int(random() * (self.height()-8)) - w = int(random() * (self.width()-x)) - h = int(random() * (self.height()-y)) - p.fillRect(x, y, w, h, QBrush(c)) - - lpb.cancel() - del lpb - p.fillRect(0, 0, self.width(), self.height(), QBrush(self.eraseColor())) - - -if __name__ == "__main__": - app = QApplication(sys.argv) - try: - n = int(sys.argv[1]) - except: - n = 1 - for i in range(n): - cpuw = CPUWaster() - if i == 0: - app.setMainWidget(cpuw) - cpuw.show() - app.exec_loop() |