How to use the ginga.qtw.QtHelp.QtGui.QLabel function in ginga
To help you get started, we’ve selected a few ginga examples, based on popular ways it is used in public projects.
Secure your code as it's written. Use Snyk Code to scan source code in minutes - no build needed - and fix issues immediately.
ejeschke / ginga / ginga / qtw / GingaQt.py View on Github 
def gui_add_channel(self, chname=None):
if not chname:
chname = self.make_channel_name("Image")
lbl = QtGui.QLabel('New channel name:')
ent = QtGui.QLineEdit()
ent.setText(chname)
lbl2 = QtGui.QLabel('Workspace:')
cbox = QtHelp.ComboBox()
names = self.ds.get_wsnames()
try:
idx = names.index(self._lastwsname)
except:
idx = 0
for name in names:
cbox.append_text(name)
cbox.setCurrentIndex(idx)
dialog = QtHelp.Dialog("Add Channel",
0,
[['Cancel', 0], ['Ok', 1]],
lambda w, rsp: self.add_channel_cb(w, rsp, ent, cbox, names))
box = dialog.get_content_area()
layout = QtGui.QVBoxLayout()
box.setLayout(layout)# add a color bar
#fi.show_color_bar(True)
fi.show_focus_indicator(True)
# add little mode indicator that shows keyboard modal states
fi.show_mode_indicator(True, corner='ur')
w = fi.get_widget()
w.resize(512, 512)
vbox = QtGui.QVBoxLayout()
vbox.setContentsMargins(QtCore.QMargins(2, 2, 2, 2))
vbox.setSpacing(1)
vbox.addWidget(w, stretch=1)
self.readout = QtGui.QLabel("")
vbox.addWidget(self.readout, stretch=0,
alignment=QtCore.Qt.AlignCenter)
hbox = QtGui.QHBoxLayout()
hbox.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))
wdrawtype = QtGui.QComboBox()
for name in self.drawtypes:
wdrawtype.addItem(name)
index = self.drawtypes.index('rectangle')
wdrawtype.setCurrentIndex(index)
wdrawtype.activated.connect(self.set_drawparams)
self.wdrawtype = wdrawtype
wdrawcolor = QtGui.QComboBox()
for name in self.drawcolors:layout.addWidget(hw, stretch=0)
vbox2.setLayout(layout)
vbox = QtGui.QVBoxLayout()
vbox.setContentsMargins(QtCore.QMargins(2, 2, 2, 2))
vbox.setSpacing(1)
w = QtGui.QWidget()
layout = QtGui.QHBoxLayout()
layout.addWidget(vbox1, stretch=1.0)
layout.addWidget(vbox2, stretch=1.0)
w.setLayout(layout)
vbox.addWidget(w, stretch=1)
self.readout = QtGui.QLabel("")
vbox.addWidget(self.readout, stretch=0,
alignment=QtCore.Qt.AlignCenter)
vw = QtGui.QWidget()
vw.setLayout(vbox)
self.setCentralWidget(vw)walpha.setRange(0.0, 1.0)
walpha.setSingleStep(0.1)
walpha.setValue(1.0)
walpha.valueChanged.connect(self.set_drawparams)
self.walpha = walpha
wclear = QtGui.QPushButton("Clear Canvas")
wclear.clicked.connect(self.clear_canvas)
wopen = QtGui.QPushButton("Open File")
wopen.clicked.connect(self.open_file)
wquit = QtGui.QPushButton("Quit")
wquit.clicked.connect(self.close)
hbox.addStretch(1)
for w in (wopen, wdrawtype, wdrawcolor, wfill,
QtGui.QLabel('Alpha:'), walpha, wclear, wquit):
hbox.addWidget(w, stretch=0)
hw = QtGui.QWidget()
hw.setLayout(hbox)
vbox.addWidget(hw, stretch=0)
mode = self.canvas.get_draw_mode()
hbox = QtGui.QHBoxLayout()
hbox.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))
btn1 = QtGui.QRadioButton("Draw")
btn1.setChecked(mode == 'draw')
btn1.toggled.connect(lambda val: self.set_mode_cb('draw', val))
btn1.setToolTip("Choose this to draw on the canvas")
hbox.addWidget(btn1)canvas.ui_set_active(True)
self.drawtypes = canvas.get_drawtypes()
self.drawtypes.sort()
# add little mode indicator that shows keyboard modal states
fi.show_mode_indicator(True, corner='ur')
w = fi.get_widget()
w.resize(512, 512)
vbox = QtGui.QVBoxLayout()
vbox.setContentsMargins(QtCore.QMargins(2, 2, 2, 2))
vbox.setSpacing(1)
vbox.addWidget(w, stretch=1)
self.readout = QtGui.QLabel("")
vbox.addWidget(self.readout, stretch=0,
alignment=QtCore.Qt.AlignCenter)
hbox = QtGui.QHBoxLayout()
hbox.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))
wdrawtype = QtGui.QComboBox()
for name in self.drawtypes:
wdrawtype.addItem(name)
index = self.drawtypes.index('rectangle')
wdrawtype.setCurrentIndex(index)
wdrawtype.activated.connect(self.set_drawparams)
self.wdrawtype = wdrawtype
wdrawcolor = QtGui.QComboBox()
for name in self.drawcolors:widget = QtGui.QWidget()
vbox = QtGui.QVBoxLayout()
widget.setLayout(vbox)
vbox.addWidget(QtGui.QLabel("Zoom Radius:"), stretch=0)
adj = QtGui.QSlider(QtCore.Qt.Horizontal)
adj.setMinimum(1)
adj.setMaximum(100)
adj.setValue(self.zoom_radius)
adj.resize(200, -1)
adj.setTracking(True)
self.w_radius = adj
adj.valueChanged.connect(self.set_radius_cb)
vbox.addWidget(adj, stretch=0)
vbox.addWidget(QtGui.QLabel("Zoom Amount:"), stretch=0)
adj = QtGui.QSlider(QtCore.Qt.Horizontal)
adj.setMinimum(-20)
adj.setMaximum(30)
adj.setValue(self.zoom_amount)
adj.resize(200, -1)
adj.setTracking(True)
self.w_amount = adj
adj.valueChanged.connect(self.set_amount_cb)
vbox.addWidget(adj, stretch=0)
captions = (('Zoom', 'label'),
("Relative Zoom", 'checkbutton'),
("Refresh Interval", 'spinbutton'),
('Defaults', 'button'),
)# add a color bar
#fi.show_color_bar(True)
#fi.show_focus_indicator(True)
# add little mode indicator that shows keyboard modal states
fi.show_mode_indicator(True, corner='ur')
w = fi.get_widget()
w.resize(512, 512)
vbox = QtGui.QVBoxLayout()
vbox.setContentsMargins(QtCore.QMargins(2, 2, 2, 2))
vbox.setSpacing(1)
vbox.addWidget(w, stretch=1)
self.readout = QtGui.QLabel("")
vbox.addWidget(self.readout, stretch=0,
alignment=QtCore.Qt.AlignCenter)
hbox = QtGui.QHBoxLayout()
hbox.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))
wdrawtype = QtGui.QComboBox()
for name in self.drawtypes:
wdrawtype.addItem(name)
index = self.drawtypes.index('rectangle')
wdrawtype.setCurrentIndex(index)
wdrawtype.activated.connect(self.set_drawparams)
self.wdrawtype = wdrawtype
wdrawcolor = QtGui.QComboBox()
for name in self.drawcolors:def build_gui(self, container):
sw = QtGui.QScrollArea()
twidget = QtHelp.VBox()
sp = QtGui.QSizePolicy(QtGui.QSizePolicy.MinimumExpanding,
QtGui.QSizePolicy.Fixed)
twidget.setSizePolicy(sp)
vbox1 = twidget.layout()
vbox1.setContentsMargins(4, 4, 4, 4)
vbox1.setSpacing(2)
sw.setWidgetResizable(True)
sw.setWidget(twidget)
msgFont = self.fv.getFont("sansFont", 14)
tw = QtGui.QLabel()
tw.setFont(msgFont)
tw.setWordWrap(True)
self.tw = tw
fr = QtHelp.Frame("Instructions")
fr.layout().addWidget(tw, stretch=1, alignment=QtCore.Qt.AlignTop)
vbox1.addWidget(fr, stretch=0, alignment=QtCore.Qt.AlignTop)
fr = QtHelp.Frame("HDU")
captions = [("Num HDUs", 'label'), ("Choose HDU", 'spinbutton')]
w, b = QtHelp.build_info(captions)
self.w.update(b)
self.w.numhdu = b.num_hdus
self.w.hdu = b.choose_hdu
self.w.hdu.valueChanged.connect(self.set_hdu_cb)from ginga.misc.plugins import ThumbsBase
from ginga.qtw import QtHelp
from ginga.misc import Bunch
class MyScrollArea(QtGui.QScrollArea):
def resizeEvent(self, event):
rect = self.geometry()
x1, y1, x2, y2 = rect.getCoords()
width = x2 - x1
height = y2 - y1
#print "area resized to %dx%d" % (width,height)
self.thumbs_cb(width, height)
class MyLabel(QtGui.QLabel):
def mousePressEvent(self, event):
buttons = event.buttons()
self.event_type = None
if buttons & QtCore.Qt.LeftButton:
self.drag_start_position = event.pos()
self.event_type = 'click'
## elif buttons & QtCore.Qt.RightButton:
## self.context_menu_cb()
def mouseMoveEvent(self, event):
if event.buttons() != QtCore.Qt.LeftButton:
returnbtns = QtHelp.HBox()
layout= btns.layout()
layout.setSpacing(3)
btn = QtGui.QPushButton("Close")
btn.clicked.connect(self.close)
layout.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)
btn = QtGui.QPushButton("Full Image")
btn.clicked.connect(self.full_image)
layout.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)
vbox1.addWidget(btns, stretch=0, alignment=QtCore.Qt.AlignLeft)
vpaned.addWidget(twidget)
vpaned.addWidget(QtGui.QLabel(''))
container.addWidget(vpaned, stretch=1)
self.gui_up = True
Popular ginga functions
- ginga.AstroImage.AstroImage
- ginga.GingaPlugin
- ginga.gw.Widgets
- ginga.gw.Widgets.build_info
- ginga.gw.Widgets.Button
- ginga.gw.Widgets.Frame
- ginga.gw.Widgets.HBox
- ginga.gw.Widgets.Label
- ginga.gw.Widgets.VBox
- ginga.misc.Bunch
- ginga.misc.Bunch.Bunch
- ginga.misc.log.get_logger
- ginga.qtw.QtHelp
- ginga.qtw.QtHelp.QtCore
- ginga.qtw.QtHelp.QtCore.Qt
- ginga.qtw.QtHelp.QtGui
- ginga.qtw.QtHelp.QtGui.QLabel
- ginga.qtw.QtHelp.QtGui.QPushButton
- ginga.qtw.QtHelp.QtGui.QWidget
- ginga.trcalc