diff options
Diffstat (limited to 'libjava/classpath/native/jni/gtk-peer/GtkDragSourceContextPeer.c')
| -rw-r--r-- | libjava/classpath/native/jni/gtk-peer/GtkDragSourceContextPeer.c | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/libjava/classpath/native/jni/gtk-peer/GtkDragSourceContextPeer.c b/libjava/classpath/native/jni/gtk-peer/GtkDragSourceContextPeer.c new file mode 100644 index 000000000..aee61bd08 --- /dev/null +++ b/libjava/classpath/native/jni/gtk-peer/GtkDragSourceContextPeer.c @@ -0,0 +1,330 @@ +/* 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; +} |