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changed getting of the drag icon

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DYefremov
2020-09-30 20:54:03 +03:00
parent 04f808843d
commit c3e8eac4b9
1 changed files with 22 additions and 10 deletions
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32
app/ui/main_app_window.py
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@@ -993,18 +993,24 @@ class Application(Gtk.Application):
elif name == self.BQ_MODEL_NAME: elif name == self.BQ_MODEL_NAME:
name_column, type_column = Column.BQ_NAME, Column.BQ_TYPE name_column, type_column = Column.BQ_NAME, Column.BQ_TYPE
# https://stackoverflow.com/a/52248549 # https://stackoverflow.com/a/52248549
Gtk.drag_set_icon_widget(context, self.get_drag_widget(model, paths, name_column, type_column), 0, 0) Gtk.drag_set_icon_pixbuf(context, self.get_drag_icon_pixbuf(model, paths, name_column, type_column), 0, 0)
return True
def on_view_drag_end(self, view: Gtk.TreeView, context): def on_view_drag_end(self, view, context):
self._select_enabled = True self._select_enabled = True
view.get_selection().unselect_all() view.get_selection().unselect_all()
def get_drag_widget(self, model, paths, text_column, type_column): def get_drag_icon_pixbuf(self, model, paths, text_column, type_column):
""" Creates and returns a widget for a dragging icon. """ """ Creates and returns Pixbuf for a dragging icon. """
import cairo
window = Gtk.OffscreenWindow()
window.get_style_context().add_class(Gtk.STYLE_CLASS_DND)
frame = Gtk.Frame() frame = Gtk.Frame()
frame.set_border_width(2)
list_box = Gtk.ListBox() list_box = Gtk.ListBox()
list_box.set_selection_mode(Gtk.SelectionMode.NONE)
padding = 10 padding = 10
for index, row in enumerate([model[p] for p in paths]): for index, row in enumerate([model[p] for p in paths]):
if index == 25: if index == 25:
list_box.add(Gtk.Arrow(Gtk.ArrowType.DOWN)) list_box.add(Gtk.Arrow(Gtk.ArrowType.DOWN))
@@ -1012,8 +1018,7 @@ class Application(Gtk.Application):
h_box = Gtk.HBox() h_box = Gtk.HBox()
h_box.set_spacing(10) h_box.set_spacing(10)
s_context = h_box.get_style_context() h_box.get_style_context().add_class(Gtk.STYLE_CLASS_LIST_ROW)
s_context.add_class(Gtk.STYLE_CLASS_LIST_ROW)
label = Gtk.Label(row[text_column]) label = Gtk.Label(row[text_column])
label.set_alignment(0, 0) label.set_alignment(0, 0)
label.set_padding(padding, 2) label.set_padding(padding, 2)
@@ -1039,8 +1044,16 @@ class Application(Gtk.Application):
frame.add(list_box) frame.add(list_box)
frame.show_all() frame.show_all()
window.add(frame)
window.show()
alloc = frame.get_allocation()
w, h = alloc.width, alloc.height
surf = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h)
frame.draw(cairo.Context(surf))
pix = Gdk.pixbuf_get_from_surface(surf, 0, 0, w, h)
window.destroy()
return frame return pix
def on_view_drag_data_get(self, view, drag_context, data, info, time): def on_view_drag_data_get(self, view, drag_context, data, info, time):
selection = self.get_selection(view) selection = self.get_selection(view)
@@ -1068,11 +1081,10 @@ class Application(Gtk.Application):
self.on_import_data(urlparse(unquote(txt)).path.strip()) self.on_import_data(urlparse(unquote(txt)).path.strip())
elif name == self.FAV_MODEL_NAME: elif name == self.FAV_MODEL_NAME:
self.receive_selection(view=view, drop_info=view.get_dest_row_at_pos(x, y), data=txt) self.receive_selection(view=view, drop_info=view.get_dest_row_at_pos(x, y), data=txt)
else:
self.show_error_dialog("Not allowed in this context!")
elif len(uris) == 2: elif len(uris) == 2:
self.picons_buffer = self.on_assign_picon(view, urlparse(unquote(uris[0])).path, self.picons_buffer = self.on_assign_picon(view, urlparse(unquote(uris[0])).path,
urlparse(unquote(uris[1])).path + os.sep) urlparse(unquote(uris[1])).path + os.sep)
drag_context.finish(True, False, time)
def on_bq_view_drag_data_received(self, view, drag_context, x, y, data, info, time): def on_bq_view_drag_data_received(self, view, drag_context, x, y, data, info, time):
model_name, model = get_model_data(view) model_name, model = get_model_data(view)