#/*########################################################################## # Copyright (C) 2004-2012 European Synchrotron Radiation Facility # # This file is part of the PyMca X-ray Fluorescence Toolkit developed at # the ESRF by the Software group. # # This toolkit is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation; either version 2 of the License, or (at your option) # any later version. # # PyMca is distributed in the hope that it will be useful, but WITHOUT ANY # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS # FOR A PARTICULAR PURPOSE. See the GNU General Public License for more # details. # # You should have received a copy of the GNU General Public License along with # PyMca; if not, write to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. # # PyMca follows the dual licensing model of Riverbank's PyQt and cannot be # used as a free plugin for a non-free program. # # Please contact the ESRF industrial unit (industry@esrf.fr) if this license # is a problem for you. #############################################################################*/ from PyMca import PyMcaQt as qt icon_first = ["22 22 2 1", ". c None", "# c #000000", "......................", "......................", ".#.................##.", ".#...............####.", ".#.............######.", ".#...........########.", ".#.........##########.", ".#.......############.", ".#.....##############.", ".#...################.", ".#.##################.", ".#.##################.", ".#...################.", ".#.....##############.", ".#.......############.", ".#.........##########.", ".#...........########.", ".#.............######.", ".#...............####.", ".#.................##.", "......................", "......................"] icon_previous = ["22 22 2 1", ". c None", "# c #000000", "......................", "......................", "...................##.", ".................####.", "...............######.", ".............########.", "...........##########.", ".........############.", ".......##############.", ".....################.", "...##################.", "...##################.", ".....################.", ".......##############.", ".........############.", "...........##########.", ".............########.", "...............######.", ".................####.", "...................##.", "......................", "......................"] icon_next = ["22 22 2 1", ". c None", "# c #000000", "......................", "......................", ".##...................", ".####.................", ".######...............", ".########.............", ".##########...........", ".############.........", ".##############.......", ".################.....", ".##################...", ".##################...", ".################.....", ".##############.......", ".############.........", ".##########...........", ".########.............", ".######...............", ".####.................", ".##...................", "......................", "......................"] icon_last = ["22 22 2 1", ". c None", "# c #000000", "......................", "......................", ".##.................#.", ".####...............#.", ".######.............#.", ".########...........#.", ".##########.........#.", ".############.......#.", ".##############.....#.", ".################...#.", ".##################.#.", ".##################.#.", ".################...#.", ".##############.....#.", ".############.......#.", ".##########.........#.", ".########...........#.", ".######.............#.", ".####...............#.", ".##.................#.", "......................", "......................"] class FrameBrowser(qt.QWidget): def __init__(self, parent=None, n=1): qt.QWidget.__init__(self, parent) self.mainLayout=qt.QHBoxLayout(self) self.mainLayout.setMargin(0) self.mainLayout.setSpacing(0) self.firstButton = qt.QPushButton(self) self.firstButton.setIcon(qt.QIcon(qt.QPixmap(icon_first))) self.previousButton = qt.QPushButton(self) self.previousButton.setIcon(qt.QIcon(qt.QPixmap(icon_previous))) self.lineEdit = qt.QLineEdit(self) self.lineEdit.setFixedWidth(self.lineEdit.fontMetrics().width('%05d' % n)) validator = qt.QIntValidator(1, n, self.lineEdit) self.lineEdit.setText("1") self._oldIndex = 0 self.lineEdit.setValidator(validator) self.label = qt.QLabel(self) self.label.setText("of %d" % n) self.nextButton = qt.QPushButton(self) self.nextButton.setIcon(qt.QIcon(qt.QPixmap(icon_next))) self.lastButton = qt.QPushButton(self) self.lastButton.setIcon(qt.QIcon(qt.QPixmap(icon_last))) self.mainLayout.addWidget(qt.HorizontalSpacer(self)) self.mainLayout.addWidget(self.firstButton) self.mainLayout.addWidget(self.previousButton) self.mainLayout.addWidget(self.lineEdit) self.mainLayout.addWidget(self.label) self.mainLayout.addWidget(self.nextButton) self.mainLayout.addWidget(self.lastButton) self.mainLayout.addWidget(qt.HorizontalSpacer(self)) self.connect(self.firstButton, qt.SIGNAL("clicked()"), self._firstClicked) self.connect(self.previousButton, qt.SIGNAL("clicked()"), self._previousClicked) self.connect(self.nextButton, qt.SIGNAL("clicked()"), self._nextClicked) self.connect(self.lastButton, qt.SIGNAL("clicked()"), self._lastClicked) self.connect(self.lineEdit, qt.SIGNAL("editingFinished()"), self._textChangedSlot) def _firstClicked(self): self.lineEdit.setText("%d" % self.lineEdit.validator().bottom()) self._textChangedSlot() def _previousClicked(self): if self._oldIndex >= self.lineEdit.validator().bottom(): self.lineEdit.setText("%d" % (self._oldIndex)) self._textChangedSlot() def _nextClicked(self): if self._oldIndex < (self.lineEdit.validator().top()-1): self.lineEdit.setText("%d" % (self._oldIndex+2)) self._textChangedSlot() def _lastClicked(self): self.lineEdit.setText("%d" % self.lineEdit.validator().top()) self._textChangedSlot() def _textChangedSlot(self): txt = str(self.lineEdit.text()) if not len(txt): self.lineEdit.setText("%d" % (self._oldIndex+1)) return newValue = int(txt) - 1 if newValue == self._oldIndex: return ddict = {} ddict["event"] = "indexChanged" ddict["old"] = self._oldIndex + 1 self._oldIndex = newValue ddict["new"] = self._oldIndex + 1 self.emit(qt.SIGNAL("indexChanged"), ddict) def setRange(self, first, last): return self.setLimits(first, last) def setLimits(self, first, last): bottom = min(first, last) top = max(first, last) self.lineEdit.validator().setTop(top) self.lineEdit.validator().setBottom(bottom) self._oldIndex = bottom - 1 self.lineEdit.setText("%d" % (self._oldIndex + 1)) self.label.setText(" limits = %d, %d" % (bottom, top)) def setNFrames(self, nframes): bottom = 1 top = nframes self.lineEdit.validator().setTop(top) self.lineEdit.validator().setBottom(bottom) self._oldIndex = bottom - 1 self.lineEdit.setText("%d" % (self._oldIndex + 1)) self.label.setText(" of %d" % (top)) def getCurrentIndex(self): return self._oldIndex + 1 def setValue(self, value): self.lineEdit.setText("%d" % value) self._textChangedSlot() class HorizontalSliderWithBrowser(qt.QAbstractSlider): def __init__(self, *var): qt.QAbstractSlider.__init__(self, *var) self.setOrientation(qt.Qt.Horizontal) self.mainLayout = qt.QHBoxLayout(self) self.mainLayout.setMargin(0) self.mainLayout.setSpacing(2) self._slider = qt.QSlider(self) self._slider.setOrientation(qt.Qt.Horizontal) self._browser = FrameBrowser(self) self.mainLayout.addWidget(self._slider) self.mainLayout.addWidget(self._browser) self.connect(self._slider, qt.SIGNAL("valueChanged(int)"), self._sliderSlot) self.connect(self._browser, qt.SIGNAL("indexChanged"), self._browserSlot) def setMinimum(self, value): self._slider.setMinimum(value) maximum = self._slider.maximum() if value == 1: self._browser.setNFrames(maximum) else: self._browser.setRange(value, maximum) def setMaximum(self, value): self._slider.setMaximum(value) minimum = self._slider.minimum() if minimum == 1: self._browser.setNFrames(value) else: self._browser.setRange(minimum, value) def setRange(self, *var): self._slider.setRange(*var) self._browser.setRange(*var) def _sliderSlot(self, value): self._browser.setValue(value) self.emit(qt.SIGNAL("valueChanged(int)"), value) def _browserSlot(self, ddict): self._slider.setValue(ddict['new']) def setValue(self, value): self._slider.setValue(value) self._browser.setValue(value) def value(self): return self._slider.value() def test1(args): app=qt.QApplication(args) w=HorizontalSliderWithBrowser() def slot(ddict): print(ddict) qt.QObject.connect(w, qt.SIGNAL("valueChanged(int)"), slot) w.setRange(8, 20) w.show() app.exec_() def test2(args): app=qt.QApplication(args) w=FrameBrowser() def slot(ddict): print(ddict) qt.QObject.connect(w, qt.SIGNAL("indexChanged"), slot) if len(args) > 1: w.setLimits(8, 20) w.show() app.exec_() if __name__=="__main__": import sys test1(sys.argv)