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#
# "$Id: DragAndDrop.py 536 2020-10-30 15:20:32Z andreasheld $"
#
# Drag and drop test program for pyFLTK the Python bindings
# for the Fast Light Tool Kit (FLTK).
#
# FLTK copyright 1998-1999 by Bill Spitzak and others.
# pyFLTK copyright 2003 by Andreas Held and others.
#
# This library is free software you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License, version 2.0 as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA.
#
# Please report all bugs and problems to "pyfltk-user@lists.sourceforge.net".
#
from fltk import *
class DNDWidget(Fl_Widget):
text_string = ""
def __init__(self, x, y, w, h, label):
Fl_Widget.__init__(self, x, y, w, h, label)
def draw(self):
fl_rect(self.x(), self.y(), self.w(), self.h(), FL_RED)
def handle(self, event):
if event == FL_DND_ENTER:
print("FL_DND_ENTER ", self.text_string)
return 1
elif event == FL_DND_LEAVE:
print("FL_DND_LEAVE ", self.text_string)
return 1
elif event == FL_DND_DRAG:
print(f"FL_DND_DRAG {self.text_string} ({Fl.event_x()}, {Fl.event_y()})")
return 1
elif event == FL_DND_RELEASE:
print(f"FL_DND_RELEASE {self.text_string} ({Fl.event_x()}, {Fl.event_y()})")
return 1
elif event == FL_PUSH:
print("PREPUSH ", self.text_string)
Fl.copy("text", 5, 0)
Fl.dnd()
print("POSTPUSH ", self.text_string)
return 1
elif event == FL_PASTE:
cl = Fl.event_text()
ln = Fl.event_length()
print("PASTE ", self.text_string)
print(f" text = {cl}, length = {ln}")
return 1
else:
return 0
def text(self, t):
self.text_string = t
return
if __name__=='__main__':
window = Fl_Window(50, 50, 200, 200)
w1 = DNDWidget(5, 5, 90, 90, "DND")
w1.text("A")
w2 = DNDWidget(105, 105, 90, 90, "DND")
w2.text("B")
window.end()
window.show()
Fl.run()
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