/usr/share/pygtk/2.0/demos/dnd.py is in python-gtk2-doc 2.24.0-5.1ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 | #!/usr/bin/env python
'''Drag and Drop
This is a test of the drag and drop capabilities of gtk. It is a
fairly straight forward port of the example distributed with gtk.
'''
import pygtk
pygtk.require('2.0')
import gtk
import gobject
from dndpixmap import drag_icon_xpm, trashcan_open_xpm, trashcan_closed_xpm
TARGET_STRING = 0
TARGET_ROOTWIN = 1
target = [
('STRING', 0, TARGET_STRING),
('text/plain', 0, TARGET_STRING),
('application/x-rootwin-drop', 0, TARGET_ROOTWIN)
]
def create_pixmap(widget, xpm_data):
return \
gtk.gdk.pixmap_colormap_create_from_xpm_d(
None, widget.get_colormap(), None, xpm_data)
class DragAndDropDemo(gtk.Window):
trashcan_open = None
trashcan_open_mask = None
trashcan_closed = None
trashcan_closed_mask = None
drag_icon = None
drag_mask = None
have_drag = False
popped_up = False
in_popup = False
popup_timer = 0
popdown_timer = 0
popup_win = None
def __init__(self, parent=None):
gtk.Window.__init__(self)
try:
self.set_screen(parent.get_screen())
except AttributeError:
self.connect('destroy', lambda *w: gtk.main_quit())
self.set_title(self.__class__.__name__)
table = gtk.Table(2,2)
self.add(table)
self.drag_icon, self.drag_mask = \
create_pixmap(self, drag_icon_xpm)
self.trashcan_open, self.trashcan_open_mask = \
create_pixmap(self, trashcan_open_xpm)
self.trashcan_closed, self.trashcan_closed_mask = \
create_pixmap(self, trashcan_closed_xpm)
label = gtk.Label('Drop to Trashcan!\n')
label.drag_dest_set(gtk.DEST_DEFAULT_ALL, target[:-1],
gtk.gdk.ACTION_COPY | gtk.gdk.ACTION_MOVE)
label.connect('drag_data_received', self.label_drag_data_received)
table.attach(label, 0, 1, 0, 1)
label = gtk.Label('Popup\n')
label.drag_dest_set(gtk.DEST_DEFAULT_ALL, target[:-1],
gtk.gdk.ACTION_COPY | gtk.gdk.ACTION_MOVE)
table.attach(label, 1, 2, 1, 2)
label.connect('drag_motion', self.popsite_motion)
label.connect('drag_leave', self.popsite_leave)
image = gtk.Image()
image.set_from_pixmap(self.trashcan_closed, self.trashcan_closed_mask)
image.drag_dest_set(0, [], 0)
table.attach(image, 1, 2, 0, 1)
image.connect('drag_leave', self.target_drag_leave)
image.connect('drag_motion', self.target_drag_motion)
image.connect('drag_drop', self.target_drag_drop)
image.connect('drag_data_received', self.target_drag_data_received)
b = gtk.Button('Drag from Here\n')
b.drag_source_set(gtk.gdk.BUTTON1_MASK | gtk.gdk.BUTTON3_MASK,
target, gtk.gdk.ACTION_COPY | gtk.gdk.ACTION_MOVE)
b.drag_source_set_icon(self.get_colormap(), self.drag_icon, self.drag_mask)
table.attach(b, 0, 1, 1, 2)
b.connect('drag_data_get', self.source_drag_data_get)
b.connect('drag_data_delete', self.source_drag_data_delete)
self.show_all()
def label_drag_data_received(self, w, context, x, y, data, info, time):
if data and data.format == 8:
print 'Received "%s" in label' % data.data
context.finish(True, False, time)
else:
context.finish(False, False, time)
def popsite_motion(self, w, context, x, y, time):
if not self.popup_timer:
self.popup_timer = gobject.timeout_add(500, self.popup_cb)
return True
def popsite_leave(self, w, context, time):
if self.popup_timer:
gobject.source_remove(self.popup_timer)
self.popup_timer = 0
def popup_motion(self, w, context, x, y, time):
print 'popup_motion'
if not self.in_popup:
self.in_popup = True
if self.popdown_timer:
print 'removed popdown'
gobject.source_remove(self.popdown_timer)
self.popdown_timer = 0
return True
def popup_leave(self, w, context, time):
print 'popup_leave'
if self.in_popup:
self.in_popup = False
if not self.popdown_timer:
print 'added popdown'
self.popdown_timer = gobject.timeout_add(500, self.popdown_cb)
def popup_cb(self):
if not self.popped_up:
if self.popup_win is None:
self.popup_win = gtk.Window(gtk.WINDOW_POPUP)
self.popup_win.set_position(gtk.WIN_POS_MOUSE)
table = gtk.Table(3, 3)
for k in range(9):
i, j = divmod(k, 3)
b = gtk.Button("%d,%d" % (i,j))
b.drag_dest_set(gtk.DEST_DEFAULT_ALL, target[:-1],
gtk.gdk.ACTION_COPY | gtk.gdk.ACTION_MOVE)
b.connect('drag_motion', self.popup_motion)
b.connect('drag_leave', self.popup_leave)
table.attach(b, i, i+1, j, j+1)
table.show_all()
self.popup_win.add(table)
self.popup_win.present()
self.popped_up = True
self.popdown_timer = gobject.timeout_add(500, self.popdown_cb)
print 'added popdown'
self.popup_timer = 0
return False
def popdown_cb(self):
print 'popdown'
#if self.in_popup:
# return True
self.popdown_timer = 0
self.popup_win.hide()
self.popped_up = False
return False
def target_drag_leave(self, img, context, time):
print 'leave'
self.have_drag = False
img.set_from_pixmap(self.trashcan_closed, self.trashcan_closed_mask)
def target_drag_motion(self, img, context, x, y, time):
if self.have_drag is False:
self.have_drag = True
img.set_from_pixmap(self.trashcan_open, self.trashcan_open_mask)
source_widget = context.get_source_widget()
print 'motion, source ',
if source_widget:
print source_widget.__class__.__name__
else:
print 'unknown'
context.drag_status(context.suggested_action, time)
return True
def target_drag_drop(self, img, context, x, y, time):
print 'drop'
self.have_drag = False
img.set_from_pixmap(self.trashcan_closed, self.trashcan_closed_mask)
if context.targets:
img.drag_get_data(context, context.targets[0], time)
return True
return False
def target_drag_data_received(self, img, context, x, y, data, info, time):
if data.format == 8:
print 'Received "%s" in trashcan' % data.data
context.finish(True, False, time)
else:
context.finish(False, False, time)
def source_drag_data_get(self, btn, context, selection_data, info, time):
if info == TARGET_ROOTWIN:
print 'I was dropped on the rootwin'
else:
selection_data.set(selection_data.target, 8, "I'm Data!")
def source_drag_data_delete(self, btn, context, data):
print 'Delete the data!'
def main():
DragAndDropDemo()
gtk.main()
if __name__ == '__main__':
main()
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