mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-10 02:40:11 +00:00
bbf7454fc9
so that dragging into the 'trashcan' is detected
598 lines
22 KiB
C
598 lines
22 KiB
C
/* testdnd.c
|
|
* Copyright (C) 1998 Red Hat, Inc.
|
|
* Author: Owen Taylor
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "gtk/gtk.h"
|
|
|
|
/* Target side drag signals */
|
|
|
|
/* XPM */
|
|
static const char * drag_icon_xpm[] = {
|
|
"36 48 9 1",
|
|
" c None",
|
|
". c #020204",
|
|
"+ c #8F8F90",
|
|
"@ c #D3D3D2",
|
|
"# c #AEAEAC",
|
|
"$ c #ECECEC",
|
|
"% c #A2A2A4",
|
|
"& c #FEFEFC",
|
|
"* c #BEBEBC",
|
|
" .....................",
|
|
" ..&&&&&&&&&&&&&&&&&&&.",
|
|
" ...&&&&&&&&&&&&&&&&&&&.",
|
|
" ..&.&&&&&&&&&&&&&&&&&&&.",
|
|
" ..&&.&&&&&&&&&&&&&&&&&&&.",
|
|
" ..&&&.&&&&&&&&&&&&&&&&&&&.",
|
|
" ..&&&&.&&&&&&&&&&&&&&&&&&&.",
|
|
" ..&&&&&.&&&@&&&&&&&&&&&&&&&.",
|
|
" ..&&&&&&.*$%$+$&&&&&&&&&&&&&.",
|
|
" ..&&&&&&&.%$%$+&&&&&&&&&&&&&&.",
|
|
" ..&&&&&&&&.#&#@$&&&&&&&&&&&&&&.",
|
|
" ..&&&&&&&&&.#$**#$&&&&&&&&&&&&&.",
|
|
" ..&&&&&&&&&&.&@%&%$&&&&&&&&&&&&&.",
|
|
" ..&&&&&&&&&&&.&&&&&&&&&&&&&&&&&&&.",
|
|
" ..&&&&&&&&&&&&.&&&&&&&&&&&&&&&&&&&.",
|
|
"................&$@&&&@&&&&&&&&&&&&.",
|
|
".&&&&&&&+&&#@%#+@#@*$%$+$&&&&&&&&&&.",
|
|
".&&&&&&&+&&#@#@&&@*%$%$+&&&&&&&&&&&.",
|
|
".&&&&&&&+&$%&#@&#@@#&#@$&&&&&&&&&&&.",
|
|
".&&&&&&@#@@$&*@&@#@#$**#$&&&&&&&&&&.",
|
|
".&&&&&&&&&&&&&&&&&&&@%&%$&&&&&&&&&&.",
|
|
".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
|
|
".&&&&&&&&$#@@$&&&&&&&&&&&&&&&&&&&&&.",
|
|
".&&&&&&&&&+&$+&$&@&$@&&$@&&&&&&&&&&.",
|
|
".&&&&&&&&&+&&#@%#+@#@*$%&+$&&&&&&&&.",
|
|
".&&&&&&&&&+&&#@#@&&@*%$%$+&&&&&&&&&.",
|
|
".&&&&&&&&&+&$%&#@&#@@#&#@$&&&&&&&&&.",
|
|
".&&&&&&&&@#@@$&*@&@#@#$#*#$&&&&&&&&.",
|
|
".&&&&&&&&&&&&&&&&&&&&&$%&%$&&&&&&&&.",
|
|
".&&&&&&&&&&$#@@$&&&&&&&&&&&&&&&&&&&.",
|
|
".&&&&&&&&&&&+&$%&$$@&$@&&$@&&&&&&&&.",
|
|
".&&&&&&&&&&&+&&#@%#+@#@*$%$+$&&&&&&.",
|
|
".&&&&&&&&&&&+&&#@#@&&@*#$%$+&&&&&&&.",
|
|
".&&&&&&&&&&&+&$+&*@&#@@#&#@$&&&&&&&.",
|
|
".&&&&&&&&&&$%@@&&*@&@#@#$#*#&&&&&&&.",
|
|
".&&&&&&&&&&&&&&&&&&&&&&&$%&%$&&&&&&.",
|
|
".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
|
|
".&&&&&&&&&&&&&&$#@@$&&&&&&&&&&&&&&&.",
|
|
".&&&&&&&&&&&&&&&+&$%&$$@&$@&&$@&&&&.",
|
|
".&&&&&&&&&&&&&&&+&&#@%#+@#@*$%$+$&&.",
|
|
".&&&&&&&&&&&&&&&+&&#@#@&&@*#$%$+&&&.",
|
|
".&&&&&&&&&&&&&&&+&$+&*@&#@@#&#@$&&&.",
|
|
".&&&&&&&&&&&&&&$%@@&&*@&@#@#$#*#&&&.",
|
|
".&&&&&&&&&&&&&&&&&&&&&&&&&&&$%&%$&&.",
|
|
".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
|
|
".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
|
|
".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
|
|
"...................................."};
|
|
|
|
/* XPM */
|
|
static const char * trashcan_closed_xpm[] = {
|
|
"64 80 17 1",
|
|
" c None",
|
|
". c #030304",
|
|
"+ c #5A5A5C",
|
|
"@ c #323231",
|
|
"# c #888888",
|
|
"$ c #1E1E1F",
|
|
"% c #767677",
|
|
"& c #494949",
|
|
"* c #9E9E9C",
|
|
"= c #111111",
|
|
"- c #3C3C3D",
|
|
"; c #6B6B6B",
|
|
"> c #949494",
|
|
", c #282828",
|
|
"' c #808080",
|
|
") c #545454",
|
|
"! c #AEAEAC",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ==......=$$...=== ",
|
|
" ..$------)+++++++++++++@$$... ",
|
|
" ..=@@-------&+++++++++++++++++++-.... ",
|
|
" =.$$@@@-&&)++++)-,$$$$=@@&+++++++++++++,..$ ",
|
|
" .$$$$@@&+++++++&$$$@@@@-&,$,-++++++++++;;;&.. ",
|
|
" $$$$,@--&++++++&$$)++++++++-,$&++++++;%%'%%;;$@ ",
|
|
" .-@@-@-&++++++++-@++++++++++++,-++++++;''%;;;%*-$ ",
|
|
" +------++++++++++++++++++++++++++++++;;%%%;;##*!. ",
|
|
" =+----+++++++++++++++++++++++;;;;;;;;;;;;%'>>). ",
|
|
" .=)&+++++++++++++++++;;;;;;;;;;;;;;%''>>#>#@. ",
|
|
" =..=&++++++++++++;;;;;;;;;;;;;%###>>###+%== ",
|
|
" .&....=-+++++%;;####''''''''''##'%%%)..#. ",
|
|
" .+-++@....=,+%#####'%%%%%%%%%;@$-@-@*++!. ",
|
|
" .+-++-+++-&-@$$=$=......$,,,@;&)+!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" =+-++-+++-+++++++++!++++!++++!+++!++!+++= ",
|
|
" $.++-+++-+++++++++!++++!++++!+++!++!+.$ ",
|
|
" =.++++++++++++++!++++!++++!+++!++.= ",
|
|
" $..+++++++++++++++!++++++...$ ",
|
|
" $$=.............=$$ ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" "};
|
|
|
|
/* XPM */
|
|
static const char * trashcan_open_xpm[] = {
|
|
"64 80 17 1",
|
|
" c None",
|
|
". c #030304",
|
|
"+ c #5A5A5C",
|
|
"@ c #323231",
|
|
"# c #888888",
|
|
"$ c #1E1E1F",
|
|
"% c #767677",
|
|
"& c #494949",
|
|
"* c #9E9E9C",
|
|
"= c #111111",
|
|
"- c #3C3C3D",
|
|
"; c #6B6B6B",
|
|
"> c #949494",
|
|
", c #282828",
|
|
"' c #808080",
|
|
") c #545454",
|
|
"! c #AEAEAC",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" .=.==.,@ ",
|
|
" ==.,@-&&&)-= ",
|
|
" .$@,&++;;;%>*- ",
|
|
" $,-+)+++%%;;'#+. ",
|
|
" =---+++++;%%%;%##@. ",
|
|
" @)++++++++;%%%%'#%$ ",
|
|
" $&++++++++++;%%;%##@= ",
|
|
" ,-++++)+++++++;;;'#%) ",
|
|
" @+++&&--&)++++;;%'#'-. ",
|
|
" ,&++-@@,,,,-)++;;;'>'+, ",
|
|
" =-++&@$@&&&&-&+;;;%##%+@ ",
|
|
" =,)+)-,@@&+++++;;;;%##%&@ ",
|
|
" @--&&,,@&)++++++;;;;'#)@ ",
|
|
" ---&)-,@)+++++++;;;%''+, ",
|
|
" $--&)+&$-+++++++;;;%%'';- ",
|
|
" .,-&+++-$&++++++;;;%''%&= ",
|
|
" $,-&)++)-@++++++;;%''%), ",
|
|
" =,@&)++++&&+++++;%'''+$@&++++++ ",
|
|
" .$@-++++++++++++;'#';,........=$@&++++ ",
|
|
" =$@@&)+++++++++++'##-.................=&++ ",
|
|
" .$$@-&)+++++++++;%#+$.....................=)+ ",
|
|
" $$,@-)+++++++++;%;@=........................,+ ",
|
|
" .$$@@-++++++++)-)@=............................ ",
|
|
" $,@---)++++&)@===............................,. ",
|
|
" $-@---&)))-$$=..............................=)!. ",
|
|
" --&-&&,,$=,==...........................=&+++!. ",
|
|
" =,=$..=$+)+++++&@$=.............=$@&+++++!++!. ",
|
|
" .)-++-+++++++++++++++++++++++++++!++!++!. ",
|
|
" .+-++-+++++++++++++++++++++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!+++!!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" .+-++-+++-+++++++++!++++!++++!+++!++!++!. ",
|
|
" =+-++-+++-+++++++++!++++!++++!+++!++!+++= ",
|
|
" $.++-+++-+++++++++!++++!++++!+++!++!+.$ ",
|
|
" =.++++++++++++++!++++!++++!+++!++.= ",
|
|
" $..+++++++++++++++!++++++...$ ",
|
|
" $$==...........==$$ ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" ",
|
|
" "};
|
|
|
|
GdkPixbuf *trashcan_open;
|
|
GdkPixbuf *trashcan_closed;
|
|
|
|
|
|
static GdkDragAction
|
|
action_make_unique (GdkDragAction action)
|
|
{
|
|
if (gdk_drag_action_is_unique (action))
|
|
return action;
|
|
|
|
if (action & GDK_ACTION_COPY)
|
|
return GDK_ACTION_COPY;
|
|
|
|
if (action & GDK_ACTION_MOVE)
|
|
return GDK_ACTION_MOVE;
|
|
|
|
if (action & GDK_ACTION_LINK)
|
|
return GDK_ACTION_LINK;
|
|
|
|
g_assert_not_reached ();
|
|
return 0;
|
|
}
|
|
|
|
static GdkDragAction
|
|
trash_drag_enter (GtkDropTarget *dest,
|
|
GdkDrop *drop,
|
|
double x,
|
|
double y,
|
|
GtkWidget *widget)
|
|
{
|
|
char *s;
|
|
|
|
gtk_image_set_from_pixbuf (GTK_IMAGE (widget), trashcan_open);
|
|
|
|
s = gdk_content_formats_to_string (gdk_drop_get_formats (drop));
|
|
g_print ("trash enter: %s\n", s);
|
|
g_free (s);
|
|
|
|
return action_make_unique (gdk_drop_get_actions (drop));;
|
|
}
|
|
|
|
static GdkDragAction
|
|
trash_drag_leave (GtkDropTarget *dest,
|
|
GdkDrop *drop,
|
|
GtkWidget *widget)
|
|
{
|
|
char *s;
|
|
|
|
gtk_image_set_from_pixbuf (GTK_IMAGE (widget), trashcan_closed);
|
|
|
|
s = gdk_content_formats_to_string (gdk_drop_get_formats (drop));
|
|
g_print ("trash leave: %s\n", s);
|
|
g_free (s);
|
|
|
|
return action_make_unique (gdk_drop_get_actions (drop));
|
|
}
|
|
|
|
static gboolean
|
|
trash_drag_drop (GtkDropTarget *dest,
|
|
GdkDrop *drop,
|
|
double x,
|
|
double y,
|
|
GtkWidget *widget)
|
|
{
|
|
char *s;
|
|
|
|
s = gdk_content_formats_to_string (gdk_drop_get_formats (drop));
|
|
g_print ("trash drop: %s\n", s);
|
|
g_free (s);
|
|
|
|
gdk_drop_finish (drop, action_make_unique (gdk_drop_get_actions (drop)));
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
label_drag_drop (GtkDropTarget *dest,
|
|
const GValue *value,
|
|
int x,
|
|
int y,
|
|
GtkWidget *widget)
|
|
{
|
|
g_print ("Received \"%s\" in label\n", g_value_get_string (value));
|
|
return TRUE;
|
|
}
|
|
|
|
/* The following is a rather elaborate example demonstrating/testing
|
|
* changing of the window hierarchy during a drag - in this case,
|
|
* via a "spring-loaded" popup window.
|
|
*/
|
|
static GtkWidget *popup_window = NULL;
|
|
|
|
static gboolean popped_up = FALSE;
|
|
static gboolean in_popup = FALSE;
|
|
static guint popdown_timer = 0;
|
|
static guint popup_timer = 0;
|
|
|
|
static int
|
|
popdown_cb (gpointer data)
|
|
{
|
|
popdown_timer = 0;
|
|
|
|
gtk_widget_hide (popup_window);
|
|
popped_up = FALSE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
}
|
|
}
|
|
|
|
static 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)
|
|
{
|
|
popdown_cb (NULL);
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
popup_cb (gpointer data)
|
|
{
|
|
if (!popped_up)
|
|
{
|
|
if (!popup_window)
|
|
{
|
|
GtkWidget *button;
|
|
GtkWidget *grid;
|
|
int i, j;
|
|
|
|
popup_window = gtk_window_new ();
|
|
|
|
grid = gtk_grid_new ();
|
|
|
|
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 (G_TYPE_STRING, GDK_ACTION_COPY | GDK_ACTION_MOVE);
|
|
g_signal_connect (dest, "enter", G_CALLBACK (popup_enter), NULL);
|
|
g_signal_connect (dest, "leave", G_CALLBACK (popup_leave), NULL);
|
|
g_signal_connect (dest, "drop", G_CALLBACK (popup_drop), NULL);
|
|
gtk_widget_add_controller (button, GTK_EVENT_CONTROLLER (dest));
|
|
}
|
|
gtk_window_set_child (GTK_WINDOW (popup_window), grid);
|
|
}
|
|
gtk_widget_show (popup_window);
|
|
popped_up = TRUE;
|
|
}
|
|
|
|
popup_timer = FALSE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
popsite_enter (GtkDropControllerMotion *motion)
|
|
{
|
|
g_print ("popsite enter\n");
|
|
if (!popup_timer)
|
|
popup_timer = g_timeout_add (500, popup_cb, NULL);
|
|
}
|
|
|
|
static void
|
|
popsite_leave (GtkDropControllerMotion *motion)
|
|
{
|
|
g_print ("popsite leave\n");
|
|
if (popup_timer)
|
|
{
|
|
g_source_remove (popup_timer);
|
|
popup_timer = 0;
|
|
}
|
|
}
|
|
|
|
static void
|
|
quit_cb (GtkWidget *widget,
|
|
gpointer data)
|
|
{
|
|
gboolean *done = data;
|
|
|
|
*done = TRUE;
|
|
|
|
g_main_context_wakeup (NULL);
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
GtkWidget *window;
|
|
GtkWidget *grid;
|
|
GtkWidget *label;
|
|
GtkWidget *pixmap;
|
|
GtkWidget *button;
|
|
GdkPixbuf *drag_icon;
|
|
GdkTexture *texture;
|
|
GdkContentProvider *content;
|
|
GtkDragSource *source;
|
|
GtkDropTarget *dest;
|
|
GtkDropTargetAsync *async;
|
|
GtkEventController *controller;
|
|
gboolean done = FALSE;
|
|
|
|
gtk_init ();
|
|
|
|
window = gtk_window_new ();
|
|
g_signal_connect (window, "destroy",
|
|
G_CALLBACK (quit_cb), &done);
|
|
|
|
|
|
grid = gtk_grid_new ();
|
|
gtk_window_set_child (GTK_WINDOW (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");
|
|
|
|
dest = gtk_drop_target_new (G_TYPE_STRING, GDK_ACTION_COPY | GDK_ACTION_MOVE);
|
|
g_signal_connect (dest, "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");
|
|
|
|
controller = gtk_drop_controller_motion_new ();
|
|
g_signal_connect (controller, "enter", G_CALLBACK (popsite_enter), NULL);
|
|
g_signal_connect (controller, "leave", G_CALLBACK (popsite_leave), NULL);
|
|
gtk_widget_add_controller (label, controller);
|
|
|
|
gtk_widget_set_hexpand (label, TRUE);
|
|
gtk_widget_set_vexpand (label, TRUE);
|
|
gtk_grid_attach (GTK_GRID (grid), label, 1, 1, 1, 1);
|
|
|
|
pixmap = gtk_image_new_from_pixbuf (trashcan_closed);
|
|
async = gtk_drop_target_async_new (NULL, GDK_ACTION_ALL);
|
|
g_signal_connect (async, "drag-enter", G_CALLBACK (trash_drag_enter), pixmap);
|
|
g_signal_connect (async, "drag-leave", G_CALLBACK (trash_drag_leave), pixmap);
|
|
g_signal_connect (async, "drop", G_CALLBACK (trash_drag_drop), pixmap);
|
|
gtk_widget_add_controller (pixmap, GTK_EVENT_CONTROLLER (async));
|
|
|
|
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 ();
|
|
content = gdk_content_provider_new_typed (G_TYPE_STRING, "I'm data!");
|
|
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);
|
|
|
|
while (!done)
|
|
g_main_context_iteration (NULL, TRUE);
|
|
|
|
return 0;
|
|
}
|