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#!/usr/bin/env python
'''Drag and Drop Test
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.
FIXME: there are still a few things missing since I converted the
GdkDragContext wrapper to being a GObject.'''
description = 'Drag and Drop'
import gtk
from dndpixmap import *
trashcan_open = None
trashcan_open_mask = None
trashcan_closed = None
trashcan_closed_mask = None
have_drag = gtk.FALSE
popped_up = gtk.FALSE
in_popup = gtk.FALSE
popup_timer = 0
popdown_timer = 0
popup_win = None
TARGET_STRING = 0
TARGET_ROOTWIN = 1
target = [
('STRING', 0, TARGET_STRING),
('text/plain', 0, TARGET_STRING),
('application/x-rootwin-drop', 0, TARGET_ROOTWIN)]
def target_drag_leave(w, context, time):
global trashcan_closed, trashcan_closed_mask
global have_drag
print 'leave'
have_drag = gtk.FALSE
w.set_from_pixmap(trashcan_closed, trashcan_closed_mask)
def target_drag_motion(w, context, x, y, time):
global trashcan_open, trashcan_open_mask
global have_drag
if not have_drag:
have_drag = gtk.TRUE
w.set_from_pixmap(trashcan_open, 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 gtk.TRUE
def target_drag_drop(w, context, x, y, time):
global trashcan_closed, trashcan_closed_mask
global have_drag
print 'drop'
have_drag = gtk.FALSE
w.set_from_pixmap(trashcan_closed, trashcan_closed_mask)
if context.targets:
w.drag_get_data(context, context.targets[0], time)
return gtk.TRUE
return gtk.FALSE
def target_drag_data_received(w, context, x, y, data, info, time):
if data.format == 8:
print 'Received "%s" in trashcan' % data.data
context.finish(gtk.TRUE, gtk.FALSE, time)
else:
context.finish(gtk.FALSE, gtk.FALSE, time)
def label_drag_data_received(w, context, x, y, data, info, time):
if data and data.format == 8:
print 'Received "%s" in label' % data.data
context.finish(gtk.TRUE, gtk.FALSE, time)
else:
context.finish(gtk.FALSE, gtk.FALSE, time)
def source_drag_data_get(w, 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 popdown_cb():
global popdown_timer, popped_up
global popup_win
popdown_timer = 0
popup_win.hide()
popped_up = gtk.FALSE
return gtk.FALSE
def popup_motion(w, context, x, y, time):
global in_popup, popdown_timer
if not in_popup:
in_popup = gtk.TRUE
if popdown_timer:
print 'removed popdown'
gtk.timeout_remove(popdown_timer)
popdown_timer = 0
return gtk.TRUE
def popup_leave(w, context, time):
global in_popup, popdown_timer
print 'popup_leave'
if in_popup:
in_popup = gtk.FALSE
if not popdown_timer:
print 'added popdown'
popdown_timer = gtk.timeout_add(500, popdown_cb)
def popup_cb():
global popped_up, popup_win
global popup_timer, popdown_timer
if not popped_up:
if not popup_win:
popup_win = gtk.Window(gtk.WINDOW_POPUP)
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))
table.attach(b, i,i+1,j,j+1)
b.drag_dest_set(gtk.DEST_DEFAULT_ALL, target,
gtk.gdk.ACTION_COPY | gtk.gdk.ACTION_MOVE)
b.connect('drag_motion', popup_motion)
b.connect('drag_leave', popup_leave)
table.show_all()
popup_win.add(table)
popup_win.show()
popped_up = gtk.TRUE
popdown_timer = gtk.timeout_add(500, popdown_cb)
print 'added popdown'
popup_timer = 0
return gtk.FALSE
def popsite_motion(w, context, x, y, time):
global popup_timer
if not popup_timer:
popup_timer = gtk.timeout_add(500, popup_cb)
return gtk.TRUE
def popsite_leave(w, context, time):
global popup_timer
if popup_timer:
gtk.timeout_remove(popup_timer)
popup_timer = 0
def source_drag_data_delete(w, context, data):
print 'Delete the data!'
def create_pixmap(widget, xpm):
return gtk.gdk.pixmap_colormap_create_from_xpm_d(None,
widget.get_colormap(),
None, xpm)
def main():
global trashcan_open, trashcan_open_mask
global trashcan_closed, trashcan_closed_mask
global drag_icon, drag_mask
win = gtk.Window()
win.connect('destroy', lambda win: gtk.main_quit())
table = gtk.Table(2,2)
win.add(table)
drag_icon, drag_mask = create_pixmap(win, drag_icon_xpm)
trashcan_open, trashcan_open_mask = create_pixmap(win, trashcan_open_xpm)
trashcan_closed, trashcan_closed_mask = create_pixmap(win, trashcan_closed_xpm)
label = gtk.Label('Drop Here!\n')
label.drag_dest_set(gtk.DEST_DEFAULT_ALL, target[:-1],
gtk.gdk.ACTION_COPY | gtk.gdk.ACTION_MOVE)
label.connect('drag_data_received', 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', popsite_motion)
label.connect('drag_leave', popsite_leave)
image = gtk.Image()
image.set_from_pixmap(trashcan_closed, trashcan_closed_mask)
image.drag_dest_set(0, [], 0)
table.attach(image, 1, 2, 0, 1)
image.connect('drag_leave', target_drag_leave)
image.connect('drag_motion', target_drag_motion)
image.connect('drag_drop', target_drag_drop)
image.connect('drag_data_received', target_drag_data_received)
b = gtk.Button('Drag 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(win.get_colormap(), drag_icon, drag_mask)
table.attach(b, 0, 1, 1, 2)
b.connect('drag_data_get', source_drag_data_get)
b.connect('drag_data_delete', source_drag_data_delete)
win.show_all()
gtk.main()
if __name__ == '__main__':
main()
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