| /* 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, 0); |
| 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; |
| } |
