def _do_init(self) -> Gtk.Grid:
self._widget = Gtk.Grid(column_spacing=5)
left_btn = Gtk.Button('<')
self._widget.attach(left_btn, 0, 0, 1, 1)
self._idx_inp = IntegerEntry(lower=1, width_chars=3)
self._widget.attach(self._idx_inp, 1, 0, 1, 1)
self._num_images_lbl = Gtk.Label()
self._widget.attach(self._num_images_lbl, 2, 0, 1, 1)
right_btn = Gtk.Button('>')
self._widget.attach(right_btn, 3, 0, 1, 1)
self.bn_show_index = GObjectPropertyBindable(
g_obj=self._idx_inp,
prop_name='value',
# User input is 1-based indexing
transform_to=lambda x: x+1 if x is not None else None,
transform_from=lambda x: x-1 if x is not None else None,
)
self._idx_inp.connect('activate', lambda *_: self.presenter.view_show_idx_changed())
self._idx_inp.connect('focus-out-event', lambda *_: self.presenter.view_show_idx_changed())
left_btn.connect('clicked', lambda *_: self.presenter.prev_image())
right_btn.connect('clicked', lambda *_: self.presenter.next_image())
self._widget.show_all()
self.presenter.view_ready()
return self._widget
class ImageSequenceNavigatorView(View['ImageSequenceNavigatorPresenter',
Gtk.Widget]):
def _do_init(self) -> Gtk.Grid:
self._widget = Gtk.Grid(column_spacing=5)
left_btn = Gtk.Button('<')
self._widget.attach(left_btn, 0, 0, 1, 1)
self._idx_inp = IntegerEntry(lower=1, width_chars=3)
self._widget.attach(self._idx_inp, 1, 0, 1, 1)
self._num_images_lbl = Gtk.Label()
self._widget.attach(self._num_images_lbl, 2, 0, 1, 1)
right_btn = Gtk.Button('>')
self._widget.attach(right_btn, 3, 0, 1, 1)
self.bn_show_index = GObjectPropertyBindable(
g_obj=self._idx_inp,
prop_name='value',
# User input is 1-based indexing
transform_to=lambda x: x + 1 if x is not None else None,
transform_from=lambda x: x - 1 if x is not None else None,
)
self._idx_inp.connect(
'activate', lambda *_: self.presenter.view_show_idx_changed())
self._idx_inp.connect(
'focus-out-event',
lambda *_: self.presenter.view_show_idx_changed())
left_btn.connect('clicked', lambda *_: self.presenter.prev_image())
right_btn.connect('clicked', lambda *_: self.presenter.next_image())
self._widget.show_all()
self.presenter.view_ready()
return self._widget
def set_num_images(self, num_images: int) -> None:
self._num_images_lbl.props.label = ('of {}'.format(num_images))
self._idx_inp.props.upper = num_images
def hide(self) -> None:
self._widget.foreach(Gtk.Widget.hide)
def show(self) -> None:
self._widget.show()
def _do_destroy(self) -> None:
self._widget.destroy()
def _do_init(self) -> Gtk.Widget:
self._change_camera_dialog_cid = None # type: Any
self._widget = Gtk.Grid(row_spacing=10, column_spacing=10)
# Populate self.widget
camera_container = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL,
spacing=5)
self._widget.attach(camera_container, 0, 0, 2, 1)
camera_lbl = Gtk.Label('Camera:', xalign=0)
camera_container.add(camera_lbl)
self._current_camera_lbl = Gtk.Label(xalign=0)
camera_container.add(self._current_camera_lbl)
self._change_camera_btn = Gtk.Button('Connect camera')
self._change_camera_btn.get_style_context().add_class('small-pad')
camera_container.add(self._change_camera_btn)
num_frames_lbl = Gtk.Label('Number of images to capture:', xalign=0)
self._widget.attach(num_frames_lbl, 0, 1, 1, 1)
num_frames_inp_container = Gtk.Grid()
self._widget.attach_next_to(num_frames_inp_container, num_frames_lbl,
Gtk.PositionType.RIGHT, 1, 1)
self._num_frames_inp = IntegerEntry(lower=1,
upper=200,
value=1,
width_chars=6)
self._num_frames_inp.get_style_context().add_class('small-pad')
num_frames_inp_container.add(self._num_frames_inp)
frame_interval_lbl = Gtk.Label('Frame interval (s):', xalign=0)
self._widget.attach(frame_interval_lbl, 0, 2, 1, 1)
frame_interval_inp_container = Gtk.Grid()
self._widget.attach_next_to(frame_interval_inp_container,
frame_interval_lbl, Gtk.PositionType.RIGHT,
1, 1)
self._frame_interval_inp = FloatEntry(lower=0,
width_chars=6,
sensitive=False,
invisible_char='\0')
self._frame_interval_inp.get_style_context().add_class('small-pad')
frame_interval_inp_container.add(self._frame_interval_inp)
self._current_camera_err_msg_lbl = Gtk.Label(xalign=0)
self._current_camera_err_msg_lbl.get_style_context().add_class(
'error-text')
self._widget.attach_next_to(self._current_camera_err_msg_lbl,
camera_container, Gtk.PositionType.RIGHT,
1, 1)
self._num_frames_err_msg_lbl = Gtk.Label(xalign=0)
self._num_frames_err_msg_lbl.get_style_context().add_class(
'error-text')
self._widget.attach_next_to(self._num_frames_err_msg_lbl,
num_frames_inp_container,
Gtk.PositionType.RIGHT, 1, 1)
self._frame_interval_err_msg_lbl = Gtk.Label(xalign=0)
self._frame_interval_err_msg_lbl.get_style_context().add_class(
'error-text')
self._widget.attach_next_to(self._frame_interval_err_msg_lbl,
frame_interval_inp_container,
Gtk.PositionType.RIGHT, 1, 1)
self._widget.show_all()
# Wiring things up
self._change_camera_btn.connect(
'clicked',
lambda *_: self.presenter.hdl_change_camera_btn_clicked())
self.bn_frame_interval = GObjectPropertyBindable(
self._frame_interval_inp, 'value')
self.bn_num_frames = GObjectPropertyBindable(self._num_frames_inp,
'value')
self.bn_frame_interval_sensitive = GObjectPropertyBindable(
self._frame_interval_inp, 'sensitive')
self._frame_interval_inp.bind_property(
'sensitive', self._frame_interval_inp, 'visibility',
GObject.BindingFlags.SYNC_CREATE)
self.presenter.view_ready()
return self._widget
def _do_init(self, parent_window: Optional[Gtk.Window]) -> Gtk.Window:
self._window = Gtk.Window(
title='Select camera',
transient_for=parent_window,
resizable=False,
modal=True,
window_position=Gtk.WindowPosition.CENTER,
)
body = Gtk.Grid()
self._window.add(body)
content = Gtk.Grid(margin=10, column_spacing=10)
body.attach(content, 0, 0, 1, 1)
camera_index_lbl = Gtk.Label('Camera index:')
content.attach(camera_index_lbl, 0, 0, 1, 1)
camera_index_inp = IntegerEntry(lower=0,
upper=99999,
max_length=5,
width_chars=6)
camera_index_inp.get_style_context().add_class('small-pad')
content.attach_next_to(camera_index_inp, camera_index_lbl,
Gtk.PositionType.RIGHT, 1, 1)
# Setting max_width_chars to 0 seems to allow the label to occupy as much space as its parent, allowing
# line wrapping to work.
self._error_msg_lbl = Gtk.Label(margin_top=10, max_width_chars=0)
self._error_msg_lbl.set_line_wrap(True)
self._error_msg_lbl.get_style_context().add_class('error-text')
content.attach(self._error_msg_lbl, 0, 1, 2, 1)
footer = Gtk.Grid()
footer.get_style_context().add_class('change-cam-dialog-view-footer')
footer.get_style_context().add_class('linked')
body.attach(footer, 0, 1, 1, 1)
cancel_btn = Gtk.Button('Cancel', hexpand=True)
cancel_btn.get_style_context().add_class('dialog-footer-button')
footer.attach(cancel_btn, 0, 0, 1, 1)
connect_btn = Gtk.Button('Connect', hexpand=True)
connect_btn.get_style_context().add_class('dialog-footer-button')
footer.attach(connect_btn, 1, 0, 1, 1)
self._window.show_all()
# Hide the error message label (since self.widget.show_all() would have made all descendant widgets
# visible).
self._error_msg_lbl.hide()
# Wiring things up
connect_btn.connect('clicked', lambda *_: self.presenter.connect())
cancel_btn.connect('clicked', lambda *_: self.presenter.cancel())
self._window.connect('delete-event', self._hdl_widget_delete_event)
self.bn_camera_index = GObjectPropertyBindable(
camera_index_inp, 'value') # type: Bindable[int]
self.bn_connect_btn_sensitive = GObjectPropertyBindable(
connect_btn, 'sensitive') # type: Bindable[bool]
self.presenter.view_ready()
return self._window
class USBCameraView(View['USBCameraPresenter', Gtk.Widget]):
STYLE = '''
.change-cam-dialog-view-footer {
background-color: gainsboro;
}
.small-pad {
min-height: 0px;
min-width: 0px;
padding: 6px 4px 6px 4px;
}
.dialog-footer-button {
min-height: 0px;
min-width: 0px;
padding: 8px 6px 8px 6px;
}
.error {
color: red;
border: 1px solid red;
}
.error-text {
color: red;
}
'''
_STYLE_PROV = Gtk.CssProvider()
_STYLE_PROV.load_from_data(bytes(STYLE, 'utf-8'))
Gtk.StyleContext.add_provider_for_screen(Gdk.Screen.get_default(),
_STYLE_PROV,
Gtk.STYLE_PROVIDER_PRIORITY_USER)
def _do_init(self) -> Gtk.Widget:
self._change_camera_dialog_cid = None # type: Any
self._widget = Gtk.Grid(row_spacing=10, column_spacing=10)
# Populate self.widget
camera_container = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL,
spacing=5)
self._widget.attach(camera_container, 0, 0, 2, 1)
camera_lbl = Gtk.Label('Camera:', xalign=0)
camera_container.add(camera_lbl)
self._current_camera_lbl = Gtk.Label(xalign=0)
camera_container.add(self._current_camera_lbl)
self._change_camera_btn = Gtk.Button('Connect camera')
self._change_camera_btn.get_style_context().add_class('small-pad')
camera_container.add(self._change_camera_btn)
num_frames_lbl = Gtk.Label('Number of images to capture:', xalign=0)
self._widget.attach(num_frames_lbl, 0, 1, 1, 1)
num_frames_inp_container = Gtk.Grid()
self._widget.attach_next_to(num_frames_inp_container, num_frames_lbl,
Gtk.PositionType.RIGHT, 1, 1)
self._num_frames_inp = IntegerEntry(lower=1,
upper=200,
value=1,
width_chars=6)
self._num_frames_inp.get_style_context().add_class('small-pad')
num_frames_inp_container.add(self._num_frames_inp)
frame_interval_lbl = Gtk.Label('Frame interval (s):', xalign=0)
self._widget.attach(frame_interval_lbl, 0, 2, 1, 1)
frame_interval_inp_container = Gtk.Grid()
self._widget.attach_next_to(frame_interval_inp_container,
frame_interval_lbl, Gtk.PositionType.RIGHT,
1, 1)
self._frame_interval_inp = FloatEntry(lower=0,
width_chars=6,
sensitive=False,
invisible_char='\0')
self._frame_interval_inp.get_style_context().add_class('small-pad')
frame_interval_inp_container.add(self._frame_interval_inp)
self._current_camera_err_msg_lbl = Gtk.Label(xalign=0)
self._current_camera_err_msg_lbl.get_style_context().add_class(
'error-text')
self._widget.attach_next_to(self._current_camera_err_msg_lbl,
camera_container, Gtk.PositionType.RIGHT,
1, 1)
self._num_frames_err_msg_lbl = Gtk.Label(xalign=0)
self._num_frames_err_msg_lbl.get_style_context().add_class(
'error-text')
self._widget.attach_next_to(self._num_frames_err_msg_lbl,
num_frames_inp_container,
Gtk.PositionType.RIGHT, 1, 1)
self._frame_interval_err_msg_lbl = Gtk.Label(xalign=0)
self._frame_interval_err_msg_lbl.get_style_context().add_class(
'error-text')
self._widget.attach_next_to(self._frame_interval_err_msg_lbl,
frame_interval_inp_container,
Gtk.PositionType.RIGHT, 1, 1)
self._widget.show_all()
# Wiring things up
self._change_camera_btn.connect(
'clicked',
lambda *_: self.presenter.hdl_change_camera_btn_clicked())
self.bn_frame_interval = GObjectPropertyBindable(
self._frame_interval_inp, 'value')
self.bn_num_frames = GObjectPropertyBindable(self._num_frames_inp,
'value')
self.bn_frame_interval_sensitive = GObjectPropertyBindable(
self._frame_interval_inp, 'sensitive')
self._frame_interval_inp.bind_property(
'sensitive', self._frame_interval_inp, 'visibility',
GObject.BindingFlags.SYNC_CREATE)
self.presenter.view_ready()
return self._widget
def set_camera_index(self, camera_index: Optional[int]) -> None:
if camera_index is None:
self._current_camera_lbl.props.label = ''
self._current_camera_lbl.props.visible = False
self._change_camera_btn.props.label = 'Connect camera'
else:
self._current_camera_lbl.props.label = '(Connected to index {})'.format(
camera_index)
self._current_camera_lbl.props.visible = True
self._change_camera_btn.props.label = 'Change camera'
def show_change_camera_dialog(self) -> None:
if self._change_camera_dialog_cid is not None:
return
self._change_camera_dialog_cid, _ = self.new_component(
_change_camera_dialog_cs.factory(
on_response=self.presenter.hdl_change_camera_dialog_response,
parent_window=self._get_window(),
))
def hide_change_camera_dialog(self) -> None:
if self._change_camera_dialog_cid is None:
return
self.remove_component(self._change_camera_dialog_cid)
self._change_camera_dialog_cid = None
def _get_window(self) -> Optional[Gtk.Window]:
toplevel = self._widget.get_toplevel()
if isinstance(toplevel, Gtk.Window):
return toplevel
else:
return None
def _do_destroy(self) -> None:
self._widget.destroy()
def _do_init(self, figure_name: str) -> Gtk.Widget:
self._widget = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
self._should_save_figure_inp = Gtk.CheckButton(
label='Save {}'.format(figure_name))
self._widget.add(self._should_save_figure_inp)
self._more_options = Gtk.Grid(margin_left=30,
row_spacing=5,
column_spacing=10)
self._widget.add(self._more_options)
dpi_lbl = Gtk.Label('Figure DPI:', xalign=0)
self._more_options.attach(dpi_lbl, 0, 0, 1, 1)
dpi_inp_ctn = Gtk.Grid()
self._more_options.attach_next_to(dpi_inp_ctn, dpi_lbl,
Gtk.PositionType.RIGHT, 1, 1)
dpi_inp = IntegerEntry(value=300, lower=72, upper=10000, width_chars=5)
dpi_inp.get_style_context().add_class('small-pad')
dpi_inp_ctn.add(dpi_inp)
dpi_err_lbl = Gtk.Label(xalign=0, width_request=190)
dpi_err_lbl.get_style_context().add_class('error-text')
self._more_options.attach_next_to(dpi_err_lbl, dpi_inp_ctn,
Gtk.PositionType.RIGHT, 1, 1)
size_lbl = Gtk.Label('Figure size (cm):', xalign=0)
self._more_options.attach(size_lbl, 0, 1, 1, 1)
size_inp_ctn = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL,
spacing=5)
self._more_options.attach_next_to(size_inp_ctn, size_lbl,
Gtk.PositionType.RIGHT, 1, 1)
size_w_lbl = Gtk.Label('W:')
size_inp_ctn.add(size_w_lbl)
size_w_inp = FloatEntry(value=10, lower=0, upper=10000, width_chars=6)
size_w_inp.get_style_context().add_class('small-pad')
size_inp_ctn.add(size_w_inp)
size_h_lbl = Gtk.Label('H:')
size_inp_ctn.add(size_h_lbl)
size_h_inp = FloatEntry(value=10, lower=0, upper=10000, width_chars=6)
size_h_inp.get_style_context().add_class('small-pad')
size_inp_ctn.add(size_h_inp)
size_err_lbl = Gtk.Label(xalign=0, width_request=190)
size_err_lbl.get_style_context().add_class('error-text')
self._more_options.attach_next_to(size_err_lbl, size_inp_ctn,
Gtk.PositionType.RIGHT, 1, 1)
self._should_save_figure_inp.bind_property(
'active', # source_property
self._more_options, # target
'sensitive', # target_property
GObject.BindingFlags.SYNC_CREATE, # flags
)
self.bn_should_save = GObjectPropertyBindable(
g_obj=self._should_save_figure_inp,
prop_name='active',
)
self.bn_dpi = GObjectPropertyBindable(
g_obj=dpi_inp,
prop_name='value',
)
self.bn_size_w = GObjectPropertyBindable(
g_obj=size_w_inp,
prop_name='value',
)
self.bn_size_h = GObjectPropertyBindable(
g_obj=size_h_inp,
prop_name='value',
)
self.presenter.view_ready()
self._widget.show_all()
return self._widget