| /* gtkdragsourcecontextpeer.c -- Native implementation of GtkDragSourceContextPeer |
| Copyright (C) 2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| #include "gtkpeer.h" |
| #include "GtkDragSourceContextPeer.h" |
| |
| #include <jni.h> |
| #include <gtk/gtk.h> |
| |
| static GtkWidget * get_widget (GtkWidget *widget); |
| |
| #define ACTION_COPY 1 |
| #define ACTION_MOVE 2 |
| #define ACTION_COPY_OR_MOVE 3 |
| #define ACTION_LINK 1073741824 |
| |
| #define AWT_DEFAULT_CURSOR 0 |
| #define AWT_CROSSHAIR_CURSOR 1 |
| #define AWT_TEXT_CURSOR 2 |
| #define AWT_WAIT_CURSOR 3 |
| #define AWT_SW_RESIZE_CURSOR 4 |
| #define AWT_SE_RESIZE_CURSOR 5 |
| #define AWT_NW_RESIZE_CURSOR 6 |
| #define AWT_NE_RESIZE_CURSOR 7 |
| #define AWT_N_RESIZE_CURSOR 8 |
| #define AWT_S_RESIZE_CURSOR 9 |
| #define AWT_W_RESIZE_CURSOR 10 |
| #define AWT_E_RESIZE_CURSOR 11 |
| #define AWT_HAND_CURSOR 12 |
| #define AWT_MOVE_CURSOR 13 |
| |
| GtkWidget *widget; |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_dnd_peer_gtk_GtkDragSourceContextPeer_create |
| (JNIEnv *env, jobject obj, jobject comp) |
| { |
| void *ptr; |
| |
| gdk_threads_enter (); |
| |
| NSA_SET_GLOBAL_REF (env, obj); |
| NSA_SET_GLOBAL_REF (env, comp); |
| |
| ptr = NSA_GET_PTR (env, comp); |
| widget = get_widget (GTK_WIDGET (ptr)); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_dnd_peer_gtk_GtkDragSourceContextPeer_nativeSetCursor |
| (JNIEnv *env, jobject obj, jint type) |
| { |
| void *ptr; |
| GdkWindow *win; |
| GdkCursorType gdk_cursor_type; |
| GdkCursor *gdk_cursor; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_GLOBAL_REF (env, obj); |
| |
| switch (type) |
| { |
| case AWT_CROSSHAIR_CURSOR: |
| gdk_cursor_type = GDK_CROSSHAIR; |
| break; |
| case AWT_TEXT_CURSOR: |
| gdk_cursor_type = GDK_XTERM; |
| break; |
| case AWT_WAIT_CURSOR: |
| gdk_cursor_type = GDK_WATCH; |
| break; |
| case AWT_SW_RESIZE_CURSOR: |
| gdk_cursor_type = GDK_BOTTOM_LEFT_CORNER; |
| break; |
| case AWT_SE_RESIZE_CURSOR: |
| gdk_cursor_type = GDK_BOTTOM_RIGHT_CORNER; |
| break; |
| case AWT_NW_RESIZE_CURSOR: |
| gdk_cursor_type = GDK_TOP_LEFT_CORNER; |
| break; |
| case AWT_NE_RESIZE_CURSOR: |
| gdk_cursor_type = GDK_TOP_RIGHT_CORNER; |
| break; |
| case AWT_N_RESIZE_CURSOR: |
| gdk_cursor_type = GDK_TOP_SIDE; |
| break; |
| case AWT_S_RESIZE_CURSOR: |
| gdk_cursor_type = GDK_BOTTOM_SIDE; |
| break; |
| case AWT_W_RESIZE_CURSOR: |
| gdk_cursor_type = GDK_LEFT_SIDE; |
| break; |
| case AWT_E_RESIZE_CURSOR: |
| gdk_cursor_type = GDK_RIGHT_SIDE; |
| break; |
| case AWT_HAND_CURSOR: |
| gdk_cursor_type = GDK_HAND2; |
| break; |
| case AWT_MOVE_CURSOR: |
| gdk_cursor_type = GDK_FLEUR; |
| break; |
| default: |
| gdk_cursor_type = GDK_LEFT_PTR; |
| } |
| |
| win = widget->window; |
| if ((widget->window) == NULL) |
| win = widget->window; |
| |
| gdk_cursor = gdk_cursor_new (gdk_cursor_type); |
| |
| gdk_window_set_cursor (win, gdk_cursor); |
| gdk_cursor_unref (gdk_cursor); |
| |
| gdk_flush(); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_dnd_peer_gtk_GtkDragSourceContextPeer_connectSignals |
| (JNIEnv *env, jobject obj, jobject comp) |
| { |
| jobject *gref; |
| void *ptr; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_GLOBAL_REF (env, obj); |
| gref = NSA_GET_GLOBAL_REF (env, comp); |
| |
| /* Uncomment when needed: |
| g_signal_connect (G_OBJECT (widget), "drag_motion", |
| G_CALLBACK (drag_motion_cb), *gref); |
| g_signal_connect (G_OBJECT (widget), "drag_begin", |
| G_CALLBACK (drag_begin_cb), *gref); |
| g_signal_connect (G_OBJECT (widget), "drag_end", |
| G_CALLBACK (drag_end_cb), *gref); |
| g_signal_connect (G_OBJECT (widget), "drag_data_get", |
| G_CALLBACK (drag_data_get_cb), *gref); |
| g_signal_connect (G_OBJECT (widget), "drag_drop", |
| G_CALLBACK (drag_drop_cb), *gref); |
| g_signal_connect (G_OBJECT (widget), "drag_data_delete", |
| G_CALLBACK (drag_data_delete_cb), *gref); |
| g_signal_connect (G_OBJECT (widget), "drag_data_received", |
| G_CALLBACK (drag_data_received_cb), *gref); |
| */ |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_dnd_peer_gtk_GtkDragSourceContextPeer_nativeStartDrag |
| (JNIEnv *env, jobject obj, jobject img, jint x, jint y, jint act, |
| jstring target) |
| { |
| void *ptr; |
| const gchar *data; |
| GtkTargetEntry tar[1]; |
| GdkEvent *event; |
| GdkPixbuf *image = NULL; |
| GdkDragContext *context = NULL; |
| GdkDragAction action = GDK_ACTION_DEFAULT; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_GLOBAL_REF (env, obj); |
| |
| data = (*env)->GetStringUTFChars (env, target, NULL); |
| tar[0].target = (gchar *) data; |
| event = gdk_event_new (GDK_ALL_EVENTS_MASK); |
| |
| switch (act) |
| { |
| case ACTION_COPY: |
| action = GDK_ACTION_COPY; |
| break; |
| case ACTION_MOVE: |
| action = GDK_ACTION_MOVE; |
| break; |
| case ACTION_COPY_OR_MOVE: |
| action = GDK_ACTION_COPY | GDK_ACTION_MOVE; |
| break; |
| case ACTION_LINK: |
| action = GDK_ACTION_LINK; |
| break; |
| default: |
| action = GDK_ACTION_DEFAULT; |
| } |
| |
| gtk_drag_highlight (widget); |
| context = gtk_drag_begin (widget, |
| gtk_target_list_new (tar, sizeof (tar) / sizeof (GtkTargetEntry)), |
| action, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK, event); |
| |
| if (img != NULL) |
| { |
| image = cp_gtk_image_get_pixbuf (env, img); |
| gtk_drag_set_icon_pixbuf (context, image, x, y); |
| } |
| |
| gdk_event_free (event); |
| (*env)->ReleaseStringUTFChars (env, target, data); |
| |
| gdk_threads_leave (); |
| } |
| |
| static GtkWidget * |
| get_widget (GtkWidget *widget) |
| { |
| GtkWidget *w; |
| |
| if (GTK_IS_EVENT_BOX (widget) || GTK_IS_CONTAINER (widget)) |
| w = gtk_bin_get_child (GTK_BIN(widget)); |
| else |
| w = widget; |
| |
| return w; |
| } |