| /* 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 "gnu_java_awt_dnd_peer_gtk_GtkDragSourceContextPeer.h" |
| |
| #include <jni.h> |
| #include <gtk/gtk.h> |
| |
| static GtkWidget * get_widget (GtkWidget *widget); |
| static void connect_signals_for_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 |
| |
| static jmethodID dragEnterID; |
| static jmethodID dragExitID; |
| static jmethodID dragDropEndID; |
| static jmethodID dragMouseMovedID; |
| static jmethodID dragOverID; |
| static jmethodID dragActionChangedID; |
| static jmethodID acceptDragID; |
| static jmethodID rejectDragID; |
| static jmethodID acceptDropID; |
| static jmethodID rejectDropID; |
| static jmethodID dropCompleteID; |
| |
| GtkWidget *widget; |
| GtkWidget *tgt; |
| jobject gref; |
| jobject javaObj; |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_dnd_peer_gtk_GtkDragSourceContextPeer_create |
| (JNIEnv *env, jobject obj, jobject comp) |
| { |
| gdk_threads_enter (); |
| |
| javaObj = obj; |
| gtkpeer_set_global_ref (env, obj); |
| gtkpeer_set_global_ref (env, comp); |
| |
| gref = gtkpeer_get_widget (env, comp); |
| widget = get_widget (GTK_WIDGET (gref)); |
| |
| 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 (); |
| |
| javaObj = obj; |
| ptr = gtkpeer_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) |
| { |
| jclass gtkdragsourcecontextpeer; |
| jclass gtkdroptargetcontextpeer; |
| |
| gdk_threads_enter (); |
| |
| javaObj = obj; |
| gref = gtkpeer_get_global_ref (env, comp); |
| |
| connect_signals_for_widget (widget); |
| |
| gtkdragsourcecontextpeer = (*cp_gtk_gdk_env())->FindClass (cp_gtk_gdk_env(), |
| "gnu/java/awt/dnd/peer/gtk/GtkDragSourceContextPeer"); |
| |
| dragEnterID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), |
| gtkdragsourcecontextpeer, |
| "dragEnter", "(II)V"); |
| dragExitID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), |
| gtkdragsourcecontextpeer, |
| "dragExit", "(III)V"); |
| dragDropEndID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), |
| gtkdragsourcecontextpeer, |
| "dragDropEnd", "(IZII)V"); |
| dragMouseMovedID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), |
| gtkdragsourcecontextpeer, |
| "dragMouseMoved", "(II)V"); |
| dragOverID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), |
| gtkdragsourcecontextpeer, |
| "dragOver", "(II)V"); |
| dragActionChangedID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), |
| gtkdragsourcecontextpeer, |
| "dragActionChanged", "(II)V"); |
| |
| |
| gtkdroptargetcontextpeer = (*cp_gtk_gdk_env())->FindClass (cp_gtk_gdk_env(), |
| "gnu/java/awt/dnd/peer/gtk/GtkDropTargetContextPeer"); |
| |
| acceptDragID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), |
| gtkdroptargetcontextpeer, |
| "acceptDrag", "(I)V"); |
| rejectDragID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), |
| gtkdroptargetcontextpeer, |
| "rejectDrag", "()V"); |
| acceptDropID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), |
| gtkdroptargetcontextpeer, |
| "acceptDrop", "(I)V"); |
| rejectDropID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), |
| gtkdroptargetcontextpeer, |
| "rejectDrop", "()V"); |
| dropCompleteID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), |
| gtkdroptargetcontextpeer, |
| "dropComplete", "(Z)V"); |
| |
| gdk_threads_leave (); |
| } |
| |
| static void |
| connect_signals_for_widget (GtkWidget *w) |
| { |
| /* FIXME: Not implemented. */ |
| w = NULL; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_dnd_peer_gtk_GtkDragSourceContextPeer_setTarget |
| (JNIEnv *env, jobject obj, jobject target) |
| { |
| void *ptr; |
| |
| gdk_threads_enter (); |
| |
| javaObj = obj; |
| ptr = gtkpeer_get_widget (env, target); |
| tgt = get_widget (GTK_WIDGET (ptr)); |
| connect_signals_for_widget (tgt); |
| |
| 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 (); |
| |
| javaObj = obj; |
| ptr = gtkpeer_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_dest_set (widget, GTK_DEST_DEFAULT_ALL, tar, |
| sizeof (tar) / sizeof (GtkTargetEntry), |
| action); |
| 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); |
| } |
| |
| if (tgt != NULL) |
| gtk_drag_dest_set (tgt, GTK_DEST_DEFAULT_ALL, tar, |
| sizeof (tar) / sizeof (GtkTargetEntry), |
| action); |
| |
| 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; |
| } |