mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-27 14:10:30 +00:00
686 lines
24 KiB
C
686 lines
24 KiB
C
/* testdnd.c
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* Copyright (C) 1998 Red Hat, Inc.
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* Author: Owen Taylor
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gtk/gtk.h"
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/* Target side drag signals */
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/* XPM */
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static const char * drag_icon_xpm[] = {
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"36 48 9 1",
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" c None",
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". c #020204",
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"+ c #8F8F90",
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"@ c #D3D3D2",
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"# c #AEAEAC",
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"$ c #ECECEC",
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"% c #A2A2A4",
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"& c #FEFEFC",
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"* c #BEBEBC",
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" .....................",
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" ..&&&&&&&&&&&&&&&&&&&.",
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" ...&&&&&&&&&&&&&&&&&&&.",
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" ..&.&&&&&&&&&&&&&&&&&&&.",
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" ..&&.&&&&&&&&&&&&&&&&&&&.",
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" ..&&&.&&&&&&&&&&&&&&&&&&&.",
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" ..&&&&.&&&&&&&&&&&&&&&&&&&.",
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" ..&&&&&.&&&@&&&&&&&&&&&&&&&.",
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" ..&&&&&&.*$%$+$&&&&&&&&&&&&&.",
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" ..&&&&&&&.%$%$+&&&&&&&&&&&&&&.",
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" ..&&&&&&&&.#&#@$&&&&&&&&&&&&&&.",
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" ..&&&&&&&&&.#$**#$&&&&&&&&&&&&&.",
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" ..&&&&&&&&&&.&@%&%$&&&&&&&&&&&&&.",
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" ..&&&&&&&&&&&.&&&&&&&&&&&&&&&&&&&.",
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" ..&&&&&&&&&&&&.&&&&&&&&&&&&&&&&&&&.",
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"................&$@&&&@&&&&&&&&&&&&.",
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".&&&&&&&+&&#@%#+@#@*$%$+$&&&&&&&&&&.",
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".&&&&&&&+&&#@#@&&@*%$%$+&&&&&&&&&&&.",
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".&&&&&&&+&$%&#@&#@@#&#@$&&&&&&&&&&&.",
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".&&&&&&@#@@$&*@&@#@#$**#$&&&&&&&&&&.",
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".&&&&&&&&&&&&&&&&&&&@%&%$&&&&&&&&&&.",
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".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
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".&&&&&&&&$#@@$&&&&&&&&&&&&&&&&&&&&&.",
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".&&&&&&&&&+&$+&$&@&$@&&$@&&&&&&&&&&.",
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".&&&&&&&&&+&&#@%#+@#@*$%&+$&&&&&&&&.",
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".&&&&&&&&&+&&#@#@&&@*%$%$+&&&&&&&&&.",
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".&&&&&&&&&+&$%&#@&#@@#&#@$&&&&&&&&&.",
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".&&&&&&&&@#@@$&*@&@#@#$#*#$&&&&&&&&.",
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".&&&&&&&&&&&&&&&&&&&&&$%&%$&&&&&&&&.",
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".&&&&&&&&&&$#@@$&&&&&&&&&&&&&&&&&&&.",
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".&&&&&&&&&&&+&$%&$$@&$@&&$@&&&&&&&&.",
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".&&&&&&&&&&&+&&#@%#+@#@*$%$+$&&&&&&.",
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".&&&&&&&&&&&+&&#@#@&&@*#$%$+&&&&&&&.",
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".&&&&&&&&&&&+&$+&*@&#@@#&#@$&&&&&&&.",
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".&&&&&&&&&&$%@@&&*@&@#@#$#*#&&&&&&&.",
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".&&&&&&&&&&&&&&&&&&&&&&&$%&%$&&&&&&.",
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".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
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".&&&&&&&&&&&&&&$#@@$&&&&&&&&&&&&&&&.",
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".&&&&&&&&&&&&&&&+&$%&$$@&$@&&$@&&&&.",
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".&&&&&&&&&&&&&&&+&&#@%#+@#@*$%$+$&&.",
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".&&&&&&&&&&&&&&&+&&#@#@&&@*#$%$+&&&.",
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".&&&&&&&&&&&&&&&+&$+&*@&#@@#&#@$&&&.",
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".&&&&&&&&&&&&&&$%@@&&*@&@#@#$#*#&&&.",
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".&&&&&&&&&&&&&&&&&&&&&&&&&&&$%&%$&&.",
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".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
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".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
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".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
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"...................................."};
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/* XPM */
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static const char * trashcan_closed_xpm[] = {
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"64 80 17 1",
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" c None",
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". c #030304",
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"+ c #5A5A5C",
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"@ c #323231",
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"# c #888888",
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"$ c #1E1E1F",
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"% c #767677",
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"& c #494949",
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"* c #9E9E9C",
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"= c #111111",
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"- c #3C3C3D",
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"; c #6B6B6B",
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"> c #949494",
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", c #282828",
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"' c #808080",
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") c #545454",
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"! c #AEAEAC",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ==......=$$...=== ",
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" ..$------)+++++++++++++@$$... ",
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" ..=@@-------&+++++++++++++++++++-.... ",
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" =.$$@@@-&&)++++)-,$$$$=@@&+++++++++++++,..$ ",
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" .$$$$@@&+++++++&$$$@@@@-&,$,-++++++++++;;;&.. ",
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" $$$$,@--&++++++&$$)++++++++-,$&++++++;%%'%%;;$@ ",
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" .-@@-@-&++++++++-@++++++++++++,-++++++;''%;;;%*-$ ",
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" +------++++++++++++++++++++++++++++++;;%%%;;##*!. ",
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" =+----+++++++++++++++++++++++;;;;;;;;;;;;%'>>). ",
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" .=)&+++++++++++++++++;;;;;;;;;;;;;;%''>>#>#@. ",
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" =..=&++++++++++++;;;;;;;;;;;;;%###>>###+%== ",
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" .&....=-+++++%;;####''''''''''##'%%%)..#. ",
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" .+-++@....=,+%#####'%%%%%%%%%;@$-@-@*++!. ",
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" .+-++-+++-&-@$$=$=......$,,,@;&)+!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" =+-++-+++-+++++++++!++++!++++!+++!++!+++= ",
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" $.++-+++-+++++++++!++++!++++!+++!++!+.$ ",
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" =.++++++++++++++!++++!++++!+++!++.= ",
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" $..+++++++++++++++!++++++...$ ",
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" $$=.............=$$ ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" "};
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/* XPM */
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static const char * trashcan_open_xpm[] = {
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"64 80 17 1",
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" c None",
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". c #030304",
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"+ c #5A5A5C",
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"@ c #323231",
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"# c #888888",
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"$ c #1E1E1F",
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"% c #767677",
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"& c #494949",
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"* c #9E9E9C",
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"= c #111111",
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"- c #3C3C3D",
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"; c #6B6B6B",
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"> c #949494",
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", c #282828",
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"' c #808080",
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") c #545454",
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"! c #AEAEAC",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" .=.==.,@ ",
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" ==.,@-&&&)-= ",
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" .$@,&++;;;%>*- ",
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" $,-+)+++%%;;'#+. ",
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" =---+++++;%%%;%##@. ",
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" @)++++++++;%%%%'#%$ ",
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" $&++++++++++;%%;%##@= ",
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" ,-++++)+++++++;;;'#%) ",
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" @+++&&--&)++++;;%'#'-. ",
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" ,&++-@@,,,,-)++;;;'>'+, ",
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" =-++&@$@&&&&-&+;;;%##%+@ ",
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" =,)+)-,@@&+++++;;;;%##%&@ ",
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" @--&&,,@&)++++++;;;;'#)@ ",
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" ---&)-,@)+++++++;;;%''+, ",
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" $--&)+&$-+++++++;;;%%'';- ",
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" .,-&+++-$&++++++;;;%''%&= ",
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" $,-&)++)-@++++++;;%''%), ",
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" =,@&)++++&&+++++;%'''+$@&++++++ ",
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" .$@-++++++++++++;'#';,........=$@&++++ ",
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" =$@@&)+++++++++++'##-.................=&++ ",
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" .$$@-&)+++++++++;%#+$.....................=)+ ",
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" $$,@-)+++++++++;%;@=........................,+ ",
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" .$$@@-++++++++)-)@=............................ ",
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" $,@---)++++&)@===............................,. ",
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" $-@---&)))-$$=..............................=)!. ",
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" --&-&&,,$=,==...........................=&+++!. ",
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" =,=$..=$+)+++++&@$=.............=$@&+++++!++!. ",
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" .)-++-+++++++++++++++++++++++++++!++!++!. ",
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" .+-++-+++++++++++++++++++++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!+++!!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
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" =+-++-+++-+++++++++!++++!++++!+++!++!+++= ",
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" $.++-+++-+++++++++!++++!++++!+++!++!+.$ ",
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" =.++++++++++++++!++++!++++!+++!++.= ",
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" $..+++++++++++++++!++++++...$ ",
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" $$==...........==$$ ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" "};
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GdkPixbuf *trashcan_open;
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GdkPixbuf *trashcan_closed;
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gboolean have_drag;
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static const char *target_table[] = {
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"STRING",
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"text/plain",
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"application/x-rootwindow-drop"
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};
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static guint n_targets = sizeof(target_table) / sizeof(target_table[0]);
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void
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target_drag_leave (GtkDropTarget *dest,
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GdkDrop *drop,
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GtkWidget *widget)
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{
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g_print("leave\n");
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have_drag = FALSE;
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gtk_image_set_from_pixbuf (GTK_IMAGE (widget), trashcan_closed);
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}
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gboolean
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target_drag_motion (GtkDropTarget *dest,
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GdkDrop *drop,
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int x,
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int y,
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GtkWidget *widget)
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{
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char *s;
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if (!have_drag)
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{
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have_drag = TRUE;
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gtk_image_set_from_pixbuf (GTK_IMAGE (widget), trashcan_open);
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}
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s = gdk_content_formats_to_string (gdk_drop_get_formats (drop));
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g_print ("%s\n", s);
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gdk_drop_status (drop, GDK_ACTION_ALL);
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return TRUE;
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}
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static void
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got_text_in_target (GObject *object,
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GAsyncResult *result,
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gpointer data)
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{
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char *str;
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str = gdk_drop_read_text_finish (GDK_DROP (object), result, NULL);
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if (str)
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{
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g_print ("Received \"%s\" in target\n", str);
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g_free (str);
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}
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gdk_drop_finish (GDK_DROP (object), GDK_ACTION_MOVE);
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}
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gboolean
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target_drag_drop (GtkDropTarget *dest,
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GdkDrop *drop,
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int x,
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int y,
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GtkWidget *widget)
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{
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GdkContentFormats *formats;
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const char *format;
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g_print("drop\n");
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have_drag = FALSE;
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gtk_image_set_from_pixbuf (GTK_IMAGE (widget), trashcan_closed);
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formats = gdk_drop_get_formats (drop);
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format = gdk_content_formats_match_mime_type (formats, formats);
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if (format)
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{
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gdk_drop_read_text_async (drop, NULL, got_text_in_target, widget);
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return TRUE;
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}
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gdk_drop_status (drop, 0);
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return FALSE;
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}
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static GdkDragAction
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action_make_unique (GdkDragAction action)
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{
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if (gdk_drag_action_is_unique (action))
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return action;
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if (action & GDK_ACTION_COPY)
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return GDK_ACTION_COPY;
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if (action & GDK_ACTION_MOVE)
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return GDK_ACTION_MOVE;
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if (action & GDK_ACTION_LINK)
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return GDK_ACTION_LINK;
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g_assert_not_reached ();
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return 0;
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}
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static void
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got_text (GObject *object,
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GAsyncResult *result,
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gpointer data)
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{
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char *str;
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str = gdk_drop_read_text_finish (GDK_DROP (object), result, NULL);
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if (str)
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{
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g_print ("Received \"%s\" in label\n", str);
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g_free (str);
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}
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}
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void
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label_drag_drop (GtkDropTarget *dest,
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GdkDrop *drop,
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int x,
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int y,
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GtkWidget *widget)
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{
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gdk_drop_read_text_async (drop, NULL, got_text, widget);
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GdkDragAction action = action_make_unique (gdk_drop_get_actions (drop));
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gdk_drop_finish (drop, action);
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}
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/* The following is a rather elaborate example demonstrating/testing
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* changing of the window hierarchy during a drag - in this case,
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* via a "spring-loaded" popup window.
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*/
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static GtkWidget *popup_window = NULL;
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static gboolean popped_up = FALSE;
|
|
static gboolean in_popup = FALSE;
|
|
static guint popdown_timer = 0;
|
|
static guint popup_timer = 0;
|
|
|
|
gint
|
|
popdown_cb (gpointer data)
|
|
{
|
|
popdown_timer = 0;
|
|
|
|
gtk_widget_hide (popup_window);
|
|
popped_up = FALSE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
gboolean
|
|
popup_motion (GtkDropTarget *dest,
|
|
GdkDrop *drop)
|
|
{
|
|
gdk_drop_status (drop, GDK_ACTION_COPY);
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
popup_enter (GtkDropTarget *dest)
|
|
{
|
|
g_print ("popup enter\n");
|
|
if (!in_popup)
|
|
{
|
|
in_popup = TRUE;
|
|
if (popdown_timer)
|
|
{
|
|
g_print ("removed popdown\n");
|
|
g_source_remove (popdown_timer);
|
|
popdown_timer = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
popup_leave (GtkDropTarget *dest)
|
|
{
|
|
g_print ("popup leave\n");
|
|
if (in_popup)
|
|
{
|
|
in_popup = FALSE;
|
|
if (!popdown_timer)
|
|
{
|
|
g_print ("added popdown\n");
|
|
popdown_timer = g_timeout_add (500, popdown_cb, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
popup_drop (GtkDropTarget *dest,
|
|
GdkDrop *drop)
|
|
{
|
|
gdk_drop_finish (drop, GDK_ACTION_COPY);
|
|
popdown_cb (NULL);
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
popup_cb (gpointer data)
|
|
{
|
|
if (!popped_up)
|
|
{
|
|
if (!popup_window)
|
|
{
|
|
GtkWidget *button;
|
|
GtkWidget *grid;
|
|
int i, j;
|
|
GdkContentFormats *targets;
|
|
|
|
popup_window = gtk_window_new (GTK_WINDOW_POPUP);
|
|
|
|
grid = gtk_grid_new ();
|
|
targets = gdk_content_formats_new_for_gtype (G_TYPE_STRING);
|
|
|
|
for (i=0; i<3; i++)
|
|
for (j=0; j<3; j++)
|
|
{
|
|
char buffer[128];
|
|
GtkDropTarget *dest;
|
|
|
|
g_snprintf(buffer, sizeof(buffer), "%d,%d", i, j);
|
|
button = gtk_button_new_with_label (buffer);
|
|
gtk_widget_set_hexpand (button, TRUE);
|
|
gtk_widget_set_vexpand (button, TRUE);
|
|
gtk_grid_attach (GTK_GRID (grid), button, i, j, 1, 1);
|
|
|
|
dest = gtk_drop_target_new (targets, GDK_ACTION_COPY | GDK_ACTION_MOVE);
|
|
g_signal_connect (dest, "accept", G_CALLBACK (popup_motion), NULL);
|
|
g_signal_connect (dest, "drag-enter", G_CALLBACK (popup_enter), NULL);
|
|
g_signal_connect (dest, "drag-leave", G_CALLBACK (popup_leave), NULL);
|
|
g_signal_connect (dest, "drag-drop", G_CALLBACK (popup_drop), NULL);
|
|
gtk_widget_add_controller (button, GTK_EVENT_CONTROLLER (dest));
|
|
}
|
|
gtk_container_add (GTK_CONTAINER (popup_window), grid);
|
|
gdk_content_formats_unref (targets);
|
|
|
|
}
|
|
gtk_widget_show (popup_window);
|
|
popped_up = TRUE;
|
|
}
|
|
|
|
popup_timer = FALSE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
gboolean
|
|
popsite_motion (GtkDropTarget *dest,
|
|
int x,
|
|
int y,
|
|
GtkWidget *widget)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
popsite_enter (GtkDropTarget *dest)
|
|
{
|
|
g_print ("popsite enter\n");
|
|
if (!popup_timer)
|
|
popup_timer = g_timeout_add (500, popup_cb, NULL);
|
|
|
|
}
|
|
|
|
void
|
|
popsite_leave (GtkDropTarget *dest)
|
|
{
|
|
g_print ("popsite leave\n");
|
|
if (popup_timer)
|
|
{
|
|
g_source_remove (popup_timer);
|
|
popup_timer = 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
source_drag_data_delete (GtkWidget *widget,
|
|
gpointer data)
|
|
{
|
|
g_print ("Delete the data!\n");
|
|
}
|
|
|
|
void
|
|
test_init (void)
|
|
{
|
|
if (g_file_test ("../modules/input/immodules.cache", G_FILE_TEST_EXISTS))
|
|
g_setenv ("GTK_IM_MODULE_FILE", "../modules/input/immodules.cache", TRUE);
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
GtkWidget *window;
|
|
GtkWidget *grid;
|
|
GtkWidget *label;
|
|
GtkWidget *pixmap;
|
|
GtkWidget *button;
|
|
GdkPixbuf *drag_icon;
|
|
GdkTexture *texture;
|
|
GdkContentProvider *content;
|
|
GValue value = G_VALUE_INIT;
|
|
GtkDragSource *source;
|
|
GdkContentFormats *targets;
|
|
GtkDropTarget *dest;
|
|
|
|
test_init ();
|
|
|
|
gtk_init ();
|
|
|
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
g_signal_connect (window, "destroy",
|
|
G_CALLBACK (gtk_main_quit), NULL);
|
|
|
|
|
|
grid = gtk_grid_new ();
|
|
gtk_container_add (GTK_CONTAINER (window), grid);
|
|
|
|
drag_icon = gdk_pixbuf_new_from_xpm_data (drag_icon_xpm);
|
|
texture = gdk_texture_new_for_pixbuf (drag_icon);
|
|
g_object_unref (drag_icon);
|
|
trashcan_open = gdk_pixbuf_new_from_xpm_data (trashcan_open_xpm);
|
|
trashcan_closed = gdk_pixbuf_new_from_xpm_data (trashcan_closed_xpm);
|
|
|
|
label = gtk_label_new ("Drop Here\n");
|
|
|
|
targets = gdk_content_formats_new (target_table, n_targets - 1); /* no rootwin */
|
|
dest = gtk_drop_target_new (targets, GDK_ACTION_COPY | GDK_ACTION_MOVE);
|
|
g_signal_connect (dest, "drag-drop", G_CALLBACK (label_drag_drop), NULL);
|
|
gtk_widget_add_controller (label, GTK_EVENT_CONTROLLER (dest));
|
|
|
|
gtk_widget_set_hexpand (label, TRUE);
|
|
gtk_widget_set_vexpand (label, TRUE);
|
|
gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
|
|
|
|
label = gtk_label_new ("Popup\n");
|
|
|
|
dest = gtk_drop_target_new (targets, GDK_ACTION_COPY | GDK_ACTION_MOVE);
|
|
g_signal_connect (dest, "accept", G_CALLBACK (popsite_motion), NULL);
|
|
g_signal_connect (dest, "drag-enter", G_CALLBACK (popsite_enter), NULL);
|
|
g_signal_connect (dest, "drag-leave", G_CALLBACK (popsite_leave), NULL);
|
|
gtk_widget_add_controller (label, GTK_EVENT_CONTROLLER (dest));
|
|
|
|
gtk_widget_set_hexpand (label, TRUE);
|
|
gtk_widget_set_vexpand (label, TRUE);
|
|
gtk_grid_attach (GTK_GRID (grid), label, 1, 1, 1, 1);
|
|
|
|
gdk_content_formats_unref (targets);
|
|
|
|
pixmap = gtk_image_new_from_pixbuf (trashcan_closed);
|
|
targets = gdk_content_formats_new (NULL, 0);
|
|
dest = gtk_drop_target_new (targets, 0);
|
|
g_signal_connect (dest, "drag-leave", G_CALLBACK (target_drag_leave), pixmap);
|
|
g_signal_connect (dest, "accept", G_CALLBACK (target_drag_motion), pixmap);
|
|
g_signal_connect (dest, "drag-drop", G_CALLBACK (target_drag_drop), pixmap);
|
|
gtk_widget_add_controller (pixmap, GTK_EVENT_CONTROLLER (dest));
|
|
gdk_content_formats_unref (targets);
|
|
|
|
gtk_widget_set_hexpand (pixmap, TRUE);
|
|
gtk_widget_set_vexpand (pixmap, TRUE);
|
|
gtk_grid_attach (GTK_GRID (grid), pixmap, 1, 0, 1, 1);
|
|
|
|
|
|
/* Drag site */
|
|
|
|
button = gtk_label_new ("Drag Here\n");
|
|
|
|
source = gtk_drag_source_new ();
|
|
g_value_init (&value, G_TYPE_STRING);
|
|
g_value_set_string (&value, "I'm data!");
|
|
content = gdk_content_provider_new_for_value (&value);
|
|
g_value_unset (&value);
|
|
gtk_drag_source_set_content (source, content);
|
|
g_object_unref (content);
|
|
gtk_drag_source_set_actions (source, GDK_ACTION_COPY|GDK_ACTION_MOVE);
|
|
gtk_widget_add_controller (button, GTK_EVENT_CONTROLLER (source));
|
|
gtk_drag_source_set_icon (source, GDK_PAINTABLE (texture), 0, 0);
|
|
|
|
g_object_unref (texture);
|
|
|
|
gtk_widget_set_hexpand (button, TRUE);
|
|
gtk_widget_set_vexpand (button, TRUE);
|
|
gtk_grid_attach (GTK_GRID (grid), button, 0, 1, 1, 1);
|
|
|
|
gtk_widget_show (window);
|
|
|
|
gtk_main ();
|
|
|
|
return 0;
|
|
}
|