class Color(QWidget):
changed = Signal(object, object, object)
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.hue = QSlider()
self.hue.setMaximum(100)
self.hue.setOrientation(Qt.Horizontal)
self.hue.valueChanged.connect(self._changed)
self.saturation = QSlider()
self.saturation.setMaximum(100)
self.saturation.setOrientation(Qt.Horizontal)
self.saturation.valueChanged.connect(self._changed)
self.value = QSlider()
self.value.setMaximum(100)
self.value.setOrientation(Qt.Horizontal)
self.value.valueChanged.connect(self._changed)
layout = QGridLayout(self)
layout.addWidget(QLabel("H"))
layout.addWidget(QLabel("S"))
layout.addWidget(QLabel("V"))
layout.addWidget(self.hue, 0, 1)
layout.addWidget(self.saturation, 1, 1)
layout.addWidget(self.value, 2, 1)
def set_rgb(self, r, g, b):
h, s, v = colorsys.rgb_to_hsv(r / 255.0, g / 255.0, b / 255.0)
self.hue.setValue(h * 100)
self.saturation.setValue(s * 100)
self.value.setValue(v * 100)
def _changed(self):
r, g, b = colorsys.hsv_to_rgb(
self.hue.value() / 100.0,
self.saturation.value() / 100.0,
self.value.value() / 100.0,
)
self.changed.emit(int(r * 255), int(g * 255), int(b * 255))
class ViewerToolbar(QWidget):
thumb_size_changed = Signal()
def __init__(self, *args, **kwargs):
super(ViewerToolbar, self).__init__(*args, **kwargs)
self._thumb_size = QSlider()
self._build_ui()
self._build_connections()
self._setup_ui()
def _build_ui(self):
self._thumb_size.setRange(100, 400)
self._thumb_size.setValue(settings.thumb_size)
self._thumb_size.setOrientation(Qt.Horizontal)
self._thumb_size.setFixedWidth(300)
lyt_main = QHBoxLayout()
lyt_main.setContentsMargins(0, 0, 0, 0)
lyt_main.setSpacing(0)
lyt_main.addStretch()
lyt_main.addWidget(QLabel('%d %%' % self._thumb_size.minimum()))
lyt_main.addSpacing(5)
lyt_main.addWidget(self._thumb_size)
lyt_main.addSpacing(5)
lyt_main.addWidget(QLabel('%d %%' % self._thumb_size.maximum()))
self.setLayout(lyt_main)
def _build_connections(self):
self._thumb_size.valueChanged.connect(self._thumb_size_changed)
def _setup_ui(self):
pass
def _thumb_size_changed(self):
settings.thumb_size = self._thumb_size.value()
self.thumb_size_changed.emit()
class PlotMainWindow(QWidget):
"""Base class for plot main windows."""
def __init__(self, U, plot, length=1, title=None):
super().__init__()
layout = QVBoxLayout()
if title:
title = QLabel('<b>' + title + '</b>')
title.setAlignment(Qt.AlignHCenter)
layout.addWidget(title)
layout.addWidget(plot)
plot.set(U, 0)
if length > 1:
hlayout = QHBoxLayout()
self.slider = QSlider(Qt.Horizontal)
self.slider.setMinimum(0)
self.slider.setMaximum(length - 1)
self.slider.setTickPosition(QSlider.TicksBelow)
hlayout.addWidget(self.slider)
lcd = QLCDNumber(m.ceil(m.log10(length)))
lcd.setDecMode()
lcd.setSegmentStyle(QLCDNumber.Flat)
hlayout.addWidget(lcd)
layout.addLayout(hlayout)
hlayout = QHBoxLayout()
toolbar = QToolBar()
self.a_play = QAction(self.style().standardIcon(QStyle.SP_MediaPlay), 'Play', self)
self.a_play.setCheckable(True)
self.a_rewind = QAction(self.style().standardIcon(QStyle.SP_MediaSeekBackward), 'Rewind', self)
self.a_toend = QAction(self.style().standardIcon(QStyle.SP_MediaSeekForward), 'End', self)
self.a_step_backward = QAction(self.style().standardIcon(QStyle.SP_MediaSkipBackward),
'Step Back', self)
self.a_step_forward = QAction(self.style().standardIcon(QStyle.SP_MediaSkipForward), 'Step', self)
self.a_loop = QAction(self.style().standardIcon(QStyle.SP_BrowserReload), 'Loop', self)
self.a_loop.setCheckable(True)
toolbar.addAction(self.a_play)
toolbar.addAction(self.a_rewind)
toolbar.addAction(self.a_toend)
toolbar.addAction(self.a_step_backward)
toolbar.addAction(self.a_step_forward)
toolbar.addAction(self.a_loop)
if hasattr(self, 'save'):
self.a_save = QAction(self.style().standardIcon(QStyle.SP_DialogSaveButton), 'Save', self)
toolbar.addAction(self.a_save)
self.a_save.triggered.connect(self.save)
hlayout.addWidget(toolbar)
self.speed = QSlider(Qt.Horizontal)
self.speed.setMinimum(0)
self.speed.setMaximum(100)
hlayout.addWidget(QLabel('Speed:'))
hlayout.addWidget(self.speed)
layout.addLayout(hlayout)
self.timer = QTimer()
self.timer.timeout.connect(self.update_solution)
self.slider.valueChanged.connect(self.slider_changed)
self.slider.valueChanged.connect(lcd.display)
self.speed.valueChanged.connect(self.speed_changed)
self.a_play.toggled.connect(self.toggle_play)
self.a_rewind.triggered.connect(self.rewind)
self.a_toend.triggered.connect(self.to_end)
self.a_step_forward.triggered.connect(self.step_forward)
self.a_step_backward.triggered.connect(self.step_backward)
self.speed.setValue(50)
elif hasattr(self, 'save'):
hlayout = QHBoxLayout()
toolbar = QToolBar()
self.a_save = QAction(self.style().standardIcon(QStyle.SP_DialogSaveButton), 'Save', self)
toolbar.addAction(self.a_save)
hlayout.addWidget(toolbar)
layout.addLayout(hlayout)
self.a_save.triggered.connect(self.save)
self.setLayout(layout)
self.plot = plot
self.U = U
self.length = length
def slider_changed(self, ind):
self.plot.set(self.U, ind)
def speed_changed(self, val):
self.timer.setInterval(val * 20)
def update_solution(self):
ind = self.slider.value() + 1
if ind >= self.length:
if self.a_loop.isChecked():
ind = 0
else:
self.a_play.setChecked(False)
return
self.slider.setValue(ind)
def toggle_play(self, checked):
if checked:
if self.slider.value() + 1 == self.length:
self.slider.setValue(0)
self.timer.start()
else:
self.timer.stop()
def rewind(self):
self.slider.setValue(0)
def to_end(self):
self.a_play.setChecked(False)
self.slider.setValue(self.length - 1)
def step_forward(self):
self.a_play.setChecked(False)
ind = self.slider.value() + 1
if ind == self.length and self.a_loop.isChecked():
ind = 0
if ind < self.length:
self.slider.setValue(ind)
def step_backward(self):
self.a_play.setChecked(False)
ind = self.slider.value() - 1
if ind == -1 and self.a_loop.isChecked():
ind = self.length - 1
if ind >= 0:
self.slider.setValue(ind)
class BaseColorDialog(BaseDialog, object):
def_title = 'Select Color'
maya_colors = [(.467, .467, .467), (.000, .000, .000), (.247, .247, .247),
(.498, .498, .498), (0.608, 0, 0.157), (0, 0.016, 0.373),
(0, 0, 1), (0, 0.275, 0.094), (0.145, 0, 0.263),
(0.78, 0, 0.78), (0.537, 0.278, 0.2), (0.243, 0.133, 0.122),
(0.6, 0.145, 0), (1, 0, 0), (0, 1, 0), (0, 0.255, 0.6),
(1, 1, 1), (1, 1, 0), (0.388, 0.863, 1), (0.263, 1, 0.635),
(1, 0.686, 0.686), (0.89, 0.675, 0.475), (1, 1, 0.384),
(0, 0.6, 0.325), (0.627, 0.412, 0.188),
(0.62, 0.627, 0.188), (0.408, 0.627, 0.188),
(0.188, 0.627, 0.365), (0.188, 0.627, 0.627),
(0.188, 0.404, 0.627), (0.435, 0.188, 0.627),
(0.627, 0.188, 0.404)]
def __init__(self, name='MayaColorDialog', parent=None, **kwargs):
parent = parent or dcc.get_main_window()
super(BaseColorDialog, self).__init__(name=name,
parent=parent,
**kwargs)
self._color = None
def get_color(self):
return self._color
color = property(get_color)
def ui(self):
self.color_buttons = list()
super(BaseColorDialog, self).ui()
grid_layout = layouts.GridLayout()
grid_layout.setAlignment(Qt.AlignTop)
self.main_layout.addLayout(grid_layout)
color_index = 0
for i in range(0, 4):
for j in range(0, 8):
color_btn = QPushButton()
color_btn.setMinimumHeight(35)
color_btn.setMinimumWidth(35)
self.color_buttons.append(color_btn)
color_btn.setStyleSheet(
'background-color:rgb(%s,%s,%s);' %
(self.maya_colors[color_index][0] * 255,
self.maya_colors[color_index][1] * 255,
self.maya_colors[color_index][2] * 255))
grid_layout.addWidget(color_btn, i, j)
color_index += 1
selected_color_layout = layouts.HorizontalLayout()
self.main_layout.addLayout(selected_color_layout)
self.color_slider = QSlider(Qt.Horizontal)
self.color_slider.setMinimum(0)
self.color_slider.setMaximum(31)
self.color_slider.setValue(2)
self.color_slider.setStyleSheet(
"QSlider::groove:horizontal {border: 1px solid #999999;height: 25px; /* the groove expands "
"to the size of the slider by default. by giving it a height, it has a fixed size */background: "
"qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #B1B1B1, stop:1 #c4c4c4);margin: 2px 0;}"
"QSlider::handle:horizontal {background: qlineargradient(x1:0, y1:0, x2:1, y2:1, stop:0 #b4b4b4,"
" stop:1 #8f8f8f);border: 1px solid #5c5c5c;width: 10px;margin: -2px 0; /* handle is placed by "
"default on the contents rect of the groove. Expand outside the groove */border-radius: 1px;}"
)
selected_color_layout.addWidget(self.color_slider)
color_label_layout = layouts.HorizontalLayout(margins=(10, 10, 10, 10))
self.main_layout.addLayout(color_label_layout)
self.color_lbl = QLabel()
self.color_lbl.setStyleSheet(
"border: 1px solid black; background-color:rgb(0, 0, 0);")
self.color_lbl.setMinimumWidth(45)
self.color_lbl.setMaximumWidth(80)
self.color_lbl.setMinimumHeight(80)
self.color_lbl.setAlignment(Qt.AlignCenter)
color_label_layout.addWidget(self.color_lbl)
bottom_layout = layouts.HorizontalLayout()
bottom_layout.setAlignment(Qt.AlignRight)
self.main_layout.addLayout(bottom_layout)
self.ok_btn = QPushButton('Ok')
self.cancel_btn = QPushButton('Cancel')
bottom_layout.addLayout(dividers.DividerLayout())
bottom_layout.addWidget(self.ok_btn)
bottom_layout.addWidget(self.cancel_btn)
def setup_signals(self):
for i, btn in enumerate(self.color_buttons):
btn.clicked.connect(partial(self._on_set_color, i))
self.color_slider.valueChanged.connect(self._on_set_color)
self.ok_btn.clicked.connect(self._on_ok_btn)
self.cancel_btn.clicked.connect(self._on_cancel_btn)
def _on_set_color(self, color_index):
self.color_lbl.setStyleSheet('background-color:rgb(%s,%s,%s);' %
(self.maya_colors[color_index][0] * 255,
self.maya_colors[color_index][1] * 255,
self.maya_colors[color_index][2] * 255))
self.color_slider.setValue(color_index)
def _on_set_slider(self, color_index):
self._set_color(color_index=color_index)
def _on_ok_btn(self):
self._color = self.color_slider.value()
self.close()
def _on_cancel_btn(self):
self._color = None
self.close()
class PlotMainWindow(QWidget):
"""Base class for plot main windows."""
def __init__(self, U, plot, length=1, title=None):
super().__init__()
layout = QVBoxLayout()
if title:
title = QLabel('<b>' + title + '</b>')
title.setAlignment(Qt.AlignHCenter)
layout.addWidget(title)
layout.addWidget(plot)
plot.set(U, 0)
if length > 1:
hlayout = QHBoxLayout()
self.slider = QSlider(Qt.Horizontal)
self.slider.setMinimum(0)
self.slider.setMaximum(length - 1)
self.slider.setTickPosition(QSlider.TicksBelow)
hlayout.addWidget(self.slider)
lcd = QLCDNumber(m.ceil(m.log10(length)))
lcd.setDecMode()
lcd.setSegmentStyle(QLCDNumber.Flat)
hlayout.addWidget(lcd)
layout.addLayout(hlayout)
hlayout = QHBoxLayout()
toolbar = QToolBar()
self.a_play = QAction(
self.style().standardIcon(QStyle.SP_MediaPlay), 'Play',
self)
self.a_play.setCheckable(True)
self.a_rewind = QAction(
self.style().standardIcon(QStyle.SP_MediaSeekBackward),
'Rewind', self)
self.a_toend = QAction(
self.style().standardIcon(QStyle.SP_MediaSeekForward),
'End', self)
self.a_step_backward = QAction(
self.style().standardIcon(QStyle.SP_MediaSkipBackward),
'Step Back', self)
self.a_step_forward = QAction(
self.style().standardIcon(QStyle.SP_MediaSkipForward),
'Step', self)
self.a_loop = QAction(
self.style().standardIcon(QStyle.SP_BrowserReload), 'Loop',
self)
self.a_loop.setCheckable(True)
toolbar.addAction(self.a_play)
toolbar.addAction(self.a_rewind)
toolbar.addAction(self.a_toend)
toolbar.addAction(self.a_step_backward)
toolbar.addAction(self.a_step_forward)
toolbar.addAction(self.a_loop)
if hasattr(self, 'save'):
self.a_save = QAction(
self.style().standardIcon(QStyle.SP_DialogSaveButton),
'Save', self)
toolbar.addAction(self.a_save)
self.a_save.triggered.connect(self.save)
hlayout.addWidget(toolbar)
self.speed = QSlider(Qt.Horizontal)
self.speed.setMinimum(0)
self.speed.setMaximum(100)
hlayout.addWidget(QLabel('Speed:'))
hlayout.addWidget(self.speed)
layout.addLayout(hlayout)
self.timer = QTimer()
self.timer.timeout.connect(self.update_solution)
self.slider.valueChanged.connect(self.slider_changed)
self.slider.valueChanged.connect(lcd.display)
self.speed.valueChanged.connect(self.speed_changed)
self.a_play.toggled.connect(self.toggle_play)
self.a_rewind.triggered.connect(self.rewind)
self.a_toend.triggered.connect(self.to_end)
self.a_step_forward.triggered.connect(self.step_forward)
self.a_step_backward.triggered.connect(self.step_backward)
self.speed.setValue(50)
elif hasattr(self, 'save'):
hlayout = QHBoxLayout()
toolbar = QToolBar()
self.a_save = QAction(
self.style().standardIcon(QStyle.SP_DialogSaveButton),
'Save', self)
toolbar.addAction(self.a_save)
hlayout.addWidget(toolbar)
layout.addLayout(hlayout)
self.a_save.triggered.connect(self.save)
self.setLayout(layout)
self.plot = plot
self.U = U
self.length = length
def slider_changed(self, ind):
self.plot.set(self.U, ind)
def speed_changed(self, val):
self.timer.setInterval(val * 20)
def update_solution(self):
ind = self.slider.value() + 1
if ind >= self.length:
if self.a_loop.isChecked():
ind = 0
else:
self.a_play.setChecked(False)
return
self.slider.setValue(ind)
def toggle_play(self, checked):
if checked:
if self.slider.value() + 1 == self.length:
self.slider.setValue(0)
self.timer.start()
else:
self.timer.stop()
def rewind(self):
self.slider.setValue(0)
def to_end(self):
self.a_play.setChecked(False)
self.slider.setValue(self.length - 1)
def step_forward(self):
self.a_play.setChecked(False)
ind = self.slider.value() + 1
if ind == self.length and self.a_loop.isChecked():
ind = 0
if ind < self.length:
self.slider.setValue(ind)
def step_backward(self):
self.a_play.setChecked(False)
ind = self.slider.value() - 1
if ind == -1 and self.a_loop.isChecked():
ind = self.length - 1
if ind >= 0:
self.slider.setValue(ind)
class ColorPicker(BaseEditor, object):
attr_type = 'color'
def __init__(self, parent=None, **kwargs):
super(ColorPicker, self).__init__(parent=parent, **kwargs)
self._default_value = (125, 125, 125)
self.attr = None
self.normalized = kwargs.get('normalized', False)
self.min = kwargs.get('min', 0)
self.max = kwargs.get('max', 99)
self.color = kwargs.get('color', QColor(1.0, 1.0, 1.0))
self.mult = kwargs.get('mult', 0.1)
self.color_swatch = color.ColorSwatch(parent=self,
color=self.color,
normalized=self.normalized)
self.color_swatch.setMaximumSize(QSize(75, 20))
self.color_swatch.setMinimumSize(QSize(75, 20))
self.color_swatch.set_color(color=self.color)
self.main_layout.addWidget(self.color_swatch)
self.slider = QSlider(self)
self.slider.setOrientation(Qt.Horizontal)
self.slider.setValue(self.max)
self.main_layout.addWidget(self.slider)
self.set_max(self.max)
self.set_min(self.min)
self.slider.valueChanged.connect(self.OnSliderChanged)
self.slider.sliderReleased.connect(self.OnSliderReleased)
self.color_swatch.clicked.connect(self.OnColorPicked)
# region Properties
def get_rgb(self):
return self.color_swatch.qcolor.getRgb()[0:3]
def get_rgbF(self):
return self.color_swatch.qcolor.getRgbF()[0:3]
def get_hsv(self):
return self.color_swatch.qcolor.getHsv()[0:3]
def get_hsvF(self):
return self.color_swatch.qcolor.getHsvF()[0:3]
rgb = property(get_rgb)
rgbF = property(get_rgbF)
hsv = property(get_hsv)
gsvF = property(get_hsvF)
def OnSliderChanged(self):
slider_value = float(self.slider.value())
if not self._current_value:
LOGGER.debug(
'Caching color: (%d, %d, %d)' %
(self.color_swatch.color[0], self.color_swatch.color[1],
self.color_swatch.color[2]))
self._current_value = self.color_swatch.color
current_color = QColor(*self._current_value)
darker = 200 - slider_value
new_color = current_color.darker(darker)
self.color_swatch.qcolor = new_color
self.color_swatch._update()
def OnSliderReleased(self):
"""
Updates items color when the slider handle is released
"""
color = self.color_swatch.color
self.color_swatch._update()
self.OnValueUpdated()
def OnColorPicked(self):
"""
Event to call color picker
"""
dialog = QColorDialog(self.color_swatch.qcolor, self)
if dialog.exec_():
self.color_swatch.setPalette(QPalette(dialog.currentColor()))
self.color_swatch.qcolor = dialog.currentColor()
self.color_swatch._update()
self.OnValueUpdated()
def get_value(self):
return self.color_swatch.color
def initialize_editor(self):
editor_value = self.default_value
node_values = self.values
if node_values:
if len(node_values) > 1:
pass
elif len(node_values) == 1:
if node_values[0]:
editor_value = node_values[0]
self.color_swatch.set_color(editor_value)
def set_connected(self, conn):
if conn != self._connection:
self._connection = conn
self.value_line.setText(conn)
self.color_swatch.setEnabled(False)
def sizeHint(self):
return QSize(350, 27)
def set_attr(self, value):
self.attr = value
return self.attr
def get_attr(self):
return self.attr
def set_min(self, value):
"""
Sets the slider minimum value
:param value: int, slider minimum value
"""
self.min = value
self.slider.setMinimum(value)
def set_max(self, value):
"""
Sets the silder maximum value
:param value: int, slider maximum value
"""
self.max = value
self.slider.setMaximum(value)
def get_qcolor(self):
return self.color_swatch.qcolor
def set_color(self, value):
return self.color_swatch.set_color(color=value)
def _update(self):
return self.color_swatch._update()
class View(QFrame):
graphicsView = None
label = None
label2 = None
selectModeButton = None
dragModeButton = None
openGlButton = None
antialiasButton = None
resetButton = None
zoomSlider = None
rotateSlider = None
def __init__(self, name, parent=None):
super(View, self).__init__(parent)
self.init_ui(name)
def init_ui(self, name):
self.setFrameStyle(QFrame.Sunken | QFrame.StyledPanel)
self.graphicsView = GraphicsView(self)
self.graphicsView.setRenderHint(QPainter.Antialiasing, False)
self.graphicsView.setDragMode(QGraphicsView.RubberBandDrag)
self.graphicsView.setOptimizationFlags(QGraphicsView.DontSavePainterState)
self.graphicsView.setViewportUpdateMode(QGraphicsView.SmartViewportUpdate)
self.graphicsView.setTransformationAnchor(QGraphicsView.AnchorUnderMouse)
size = self.style().pixelMetric(QStyle.PM_ToolBarIconSize)
iconSize = QSize(size, size)
zoomInIcon = QToolButton()
zoomInIcon.setAutoRepeat(True)
zoomInIcon.setAutoRepeatInterval(33)
zoomInIcon.setAutoRepeatDelay(0)
zoomInIcon.setIcon(QIcon(":/zoomin.png"))
zoomInIcon.setIconSize(iconSize)
zoomOutIcon = QToolButton()
zoomOutIcon.setAutoRepeat(True)
zoomOutIcon.setAutoRepeatInterval(33)
zoomOutIcon.setAutoRepeatDelay(0)
zoomOutIcon.setIcon(QIcon(":/zoomout.png"))
zoomOutIcon.setIconSize(iconSize)
self.zoomSlider = QSlider()
self.zoomSlider.setMinimum(0)
self.zoomSlider.setMaximum(500)
self.zoomSlider.setValue(250)
self.zoomSlider.setTickPosition(QSlider.TicksRight)
# Zoom slider layout
zoomSliderLayout = QVBoxLayout()
zoomSliderLayout.addWidget(zoomInIcon)
zoomSliderLayout.addWidget(self.zoomSlider)
zoomSliderLayout.addWidget(zoomOutIcon)
rotateLeftIcon = QToolButton()
rotateLeftIcon.setIcon(QIcon(":/rotateleft.png"))
rotateLeftIcon.setIconSize(iconSize)
rotateRightIcon = QToolButton()
rotateRightIcon.setIcon(QIcon(":/rotateright.png"))
rotateRightIcon.setIconSize(iconSize)
self.rotateSlider = QSlider()
self.rotateSlider.setOrientation(Qt.Horizontal)
self.rotateSlider.setMinimum(-360)
self.rotateSlider.setMaximum(360)
self.rotateSlider.setValue(0)
self.rotateSlider.setTickPosition(QSlider.TicksBelow)
# Rotate slider layout
rotateSliderLayout = QHBoxLayout()
rotateSliderLayout.addWidget(rotateLeftIcon)
rotateSliderLayout.addWidget(self.rotateSlider)
rotateSliderLayout.addWidget(rotateRightIcon)
self.resetButton = QToolButton()
self.resetButton.setText("0")
self.resetButton.setEnabled(False)
# Label layout
labelLayout = QHBoxLayout()
self.label = QLabel(name)
self.label2 = QLabel("Pointer Mode")
self.selectModeButton = QToolButton()
self.selectModeButton.setText("Select")
self.selectModeButton.setCheckable(True)
self.selectModeButton.setChecked(True)
self.dragModeButton = QToolButton()
self.dragModeButton.setText("Drag")
self.dragModeButton.setCheckable(True)
self.dragModeButton.setChecked(False)
self.antialiasButton = QToolButton()
self.antialiasButton.setText("Antialiasing")
self.antialiasButton.setCheckable(True)
self.antialiasButton.setChecked(False)
self.openGlButton = QToolButton()
self.openGlButton.setText("OpenGL")
self.openGlButton.setCheckable(True)
self.openGlButton.setEnabled(QGLFormat.hasOpenGL())
pointerModeGroup = QButtonGroup()
pointerModeGroup.setExclusive(True)
pointerModeGroup.addButton(self.selectModeButton)
pointerModeGroup.addButton(self.dragModeButton)
labelLayout.addWidget(self.label)
labelLayout.addStretch()
labelLayout.addWidget(self.label2)
labelLayout.addWidget(self.selectModeButton)
labelLayout.addWidget(self.dragModeButton)
labelLayout.addStretch()
labelLayout.addWidget(self.antialiasButton)
labelLayout.addWidget(self.openGlButton)
topLayout = QGridLayout()
topLayout.addLayout(labelLayout, 0, 0)
topLayout.addWidget(self.graphicsView, 1, 0)
topLayout.addLayout(zoomSliderLayout, 1, 1)
topLayout.addLayout(rotateSliderLayout, 2, 0)
topLayout.addWidget(self.resetButton, 2, 1)
self.setLayout(topLayout)
self.resetButton.clicked.connect(self.resetView)
self.zoomSlider.valueChanged.connect(self.setupTransform)
self.rotateSlider.valueChanged.connect(self.setupTransform)
self.graphicsView.verticalScrollBar().valueChanged.connect(self.setResetButtonEnabled)
self.graphicsView.horizontalScrollBar().valueChanged.connect(self.setResetButtonEnabled)
self.selectModeButton.toggled.connect(self.togglePointerMode)
self.dragModeButton.toggled.connect(self.togglePointerMode)
self.antialiasButton.toggled.connect(self.toggleAntialiasing)
self.openGlButton.toggled.connect(self.toggleOpenGL)
rotateLeftIcon.clicked.connect(self.rotateLeft)
rotateRightIcon.clicked.connect(self.rotateRight)
zoomInIcon.clicked.connect(self.zoomIn)
zoomOutIcon.clicked.connect(self.zoomOut)
self.setupTransform()
def view(self):
return self.graphicsView
@Slot()
def zoomIn(self):
self.zoomSlider.setValue(self.zoomSlider.value() + 1)
@Slot()
def zoomOut(self):
self.zoomSlider.setValue(self.zoomSlider.value() - 1)
@Slot()
def resetView(self):
self.zoomSlider.setValue(250)
self.rotateSlider.setValue(0)
self.setupTransform()
self.graphicsView.ensureVisible(QRectF(0, 0, 0, 0))
self.resetButton.setEnabled(False)
@Slot()
def setResetButtonEnabled(self):
self.resetButton.setEnabled(True)
@Slot()
def setupTransform(self):
scale = pow(2.0, (self.zoomSlider.value() - 250) / 50.0)
trans = QTransform()
trans.scale(scale, scale)
trans.rotate(self.rotateSlider.value())
self.graphicsView.setTransform(trans)
self.setResetButtonEnabled()
@Slot()
def togglePointerMode(self):
self.graphicsView.setDragMode(
QGraphicsView.RubberBandDrag if self.selectModeButton.isChecked() else QGraphicsView.ScrollHandDrag)
self.graphicsView.setInteractive(self.selectModeButton.isChecked())
@Slot()
def toggleOpenGL(self):
self.graphicsView.setViewport(
QGLWidget(QGLFormat(QGL.SampleBuffers)) if self.openGlButton.isChecked() else QWidget())
@Slot()
def toggleAntialiasing(self):
self.graphicsView.setRenderHint(QPainter.Antialiasing, self.antialiasButton.isChecked())
@Slot()
def rotateLeft(self):
self.rotateSlider.setValue(self.rotateSlider.value() - 10)
@Slot()
def rotateRight(self):
self.rotateSlider.setValue(self.rotateSlider.value() + 10)