Cannot drag & drop textual value via clipboard

Allows dnd of textual values from clipboard and shows icon of
target-type during dragging instead of row image, except for text target
shows actual text as drag icon.

Fixes #7532.
This commit is contained in:
Josip 2017-05-28 23:52:39 +02:00 committed by Nick Hall
parent bc17245331
commit 118e6c89e9

View File

@ -38,6 +38,8 @@ from gi.repository import GObject
from gi.repository import Gdk
from gi.repository import Gtk
from gi.repository import GdkPixbuf
from gi.repository import Pango
import cairo
#-------------------------------------------------------------------------
#
@ -117,6 +119,7 @@ def map2class(target):
'place-link': ClipPlace,
'placeref': ClipPlaceRef,
'note-link': ClipNote,
'TEXT': ClipText,
}
return d[target] if target in d else None
@ -1018,6 +1021,7 @@ class ClipboardListView:
self._widget.connect('drag-data-get', self.object_drag_data_get)
self._widget.connect('drag-begin', self.object_drag_begin)
self._widget.connect_after('drag-begin', self.object_after_drag_begin)
self._widget.connect('drag-data-received',
self.object_drag_data_received)
self._widget.connect('drag-end', self.object_drag_end)
@ -1203,6 +1207,34 @@ class ClipboardListView:
""" Handle the beginning of a drag operation. """
pass
def object_after_drag_begin(self, widget, drag_context):
tree_selection = widget.get_selection()
model, paths = tree_selection.get_selected_rows()
if len(paths) == 1:
path = paths[0]
node = model.get_iter(path)
target = model.get_value(node, 0)
if target == "TEXT":
layout = widget.create_pango_layout(model.get_value(node,4))
layout.set_alignment(Pango.Alignment.CENTER)
width, height = layout.get_pixel_size()
surface = cairo.ImageSurface(cairo.FORMAT_RGB24,
width, height)
ctx = cairo.Context(surface)
style_ctx = self._widget.get_style_context()
Gtk.render_background(style_ctx, ctx, 0, 0, width, height)
ctx.save()
Gtk.render_layout(style_ctx, ctx, 0, 0 , layout)
ctx.restore()
Gtk.drag_set_icon_surface(drag_context, surface)
else:
try:
if map2class(target):
Gtk.drag_set_icon_pixbuf(drag_context,
map2class(target).ICON, 0, 0)
except:
Gtk.drag_set_icon_default(drag_context)
def object_drag_end(self, widget, drag_context):
""" Handle the end of a drag operation. """
pass
@ -1218,7 +1250,10 @@ class ClipboardListView:
path = paths[0]
node = model.get_iter(path)
o = model.get_value(node,1)
sel_data.set(tgs[0], 8, o.pack())
if model.get_value(node, 0) == 'TEXT':
sel_data.set_text(o._value, -1)
else:
sel_data.set(tgs[0], 8, o.pack())
elif len(paths) > 1:
raw_list = []
for path in paths: