| /* gtktextcomponentpeer.c -- Native implementation of GtkTextComponentPeer |
| Copyright (C) 1998, 1999, 2004 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., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 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_peer_gtk_GtkComponentPeer.h" |
| #include "gnu_java_awt_peer_gtk_GtkTextComponentPeer.h" |
| |
| static void textcomponent_changed_cb (GtkEditable *editable, |
| jobject peer); |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextComponentPeer_connectSignals |
| (JNIEnv *env, jobject obj) |
| { |
| GtkTextView *text = NULL; |
| GtkTextBuffer *buf; |
| void *ptr = NSA_GET_PTR (env, obj); |
| jobject *gref = NSA_GET_GLOBAL_REF (env, obj); |
| g_assert (gref); |
| |
| gdk_threads_enter (); |
| |
| if (GTK_IS_ENTRY(ptr)) |
| { |
| g_signal_connect (GTK_EDITABLE (ptr), "changed", |
| G_CALLBACK (textcomponent_changed_cb), *gref); |
| |
| gdk_threads_leave (); |
| |
| /* Connect the superclass signals. */ |
| Java_gnu_java_awt_peer_gtk_GtkComponentPeer_connectSignals (env, *gref); |
| } |
| else |
| { |
| if (GTK_IS_SCROLLED_WINDOW (ptr)) |
| { |
| text = GTK_TEXT_VIEW (GTK_SCROLLED_WINDOW (ptr)->container.child); |
| } |
| else if (GTK_IS_TEXT_VIEW (ptr)) |
| { |
| text = GTK_TEXT_VIEW (ptr); |
| } |
| |
| if (text) |
| { |
| buf = gtk_text_view_get_buffer (text); |
| if (buf) |
| g_signal_connect (buf, "changed", |
| G_CALLBACK (textcomponent_changed_cb), *gref); |
| |
| /* Connect the superclass signals. */ |
| /* FIXME: Cannot do that here or it will get the sw and not the list. |
| We must a generic way of doing this. */ |
| /* Java_gnu_java_awt_peer_gtk_GtkComponentPeer_connectSignals (env, |
| obj); */ |
| g_signal_connect (GTK_OBJECT (text), "event", |
| G_CALLBACK (pre_event_handler), *gref); |
| |
| gdk_threads_leave (); |
| } |
| } |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextComponentPeer_getCaretPosition |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| int pos = 0; |
| GtkEditable *editable; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| GtkTextMark *mark; |
| GtkTextIter iter; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gdk_threads_enter (); |
| |
| if (GTK_IS_EDITABLE (ptr)) |
| { |
| editable = GTK_EDITABLE (ptr); |
| pos = gtk_editable_get_position (editable); |
| } |
| else |
| { |
| if (GTK_IS_SCROLLED_WINDOW (ptr)) |
| { |
| text = GTK_WIDGET (GTK_TEXT_VIEW (GTK_SCROLLED_WINDOW (ptr)->container.child)); |
| } |
| else if (GTK_IS_TEXT_VIEW (ptr)) |
| { |
| text = GTK_WIDGET (ptr); |
| } |
| |
| if (text) |
| { |
| buf = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)); |
| mark = gtk_text_buffer_get_insert (buf); |
| gtk_text_buffer_get_iter_at_mark (buf, &iter, mark); |
| pos = gtk_text_iter_get_offset (&iter); |
| } |
| } |
| |
| gdk_threads_leave (); |
| |
| return pos; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextComponentPeer_setCaretPosition |
| (JNIEnv *env, jobject obj, jint pos) |
| { |
| void *ptr; |
| GtkEditable *editable; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| GtkTextIter iter; |
| GtkTextMark *oldmark; |
| GtkTextIter olditer; |
| int oldpos; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gdk_threads_enter (); |
| if (GTK_IS_EDITABLE (ptr)) |
| { |
| editable = GTK_EDITABLE (ptr); |
| gtk_editable_set_position (editable, pos); |
| } |
| else |
| { |
| if (GTK_IS_SCROLLED_WINDOW (ptr)) |
| { |
| text = GTK_WIDGET (GTK_TEXT_VIEW (GTK_SCROLLED_WINDOW (ptr)->container.child)); |
| } |
| else if (GTK_IS_TEXT_VIEW (ptr)) |
| { |
| text = GTK_WIDGET (ptr); |
| } |
| |
| if (text) |
| { |
| buf = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)); |
| |
| /* Save old position. */ |
| oldmark = gtk_text_buffer_get_insert (buf); |
| gtk_text_buffer_get_iter_at_mark (buf, &olditer, oldmark); |
| oldpos = gtk_text_iter_get_offset (&olditer); |
| |
| /* Move to new position. */ |
| gtk_text_buffer_get_iter_at_offset (buf, &iter, pos); |
| gtk_text_buffer_place_cursor (buf, &iter); |
| |
| /* Scroll to new position. Alignment is determined |
| comparing the new position to the old position. */ |
| if (oldpos > pos) |
| gtk_text_view_scroll_to_iter (GTK_TEXT_VIEW (text), |
| &iter, 0, TRUE, 0, 0); |
| else if (oldpos < pos) |
| gtk_text_view_scroll_to_iter (GTK_TEXT_VIEW (text), |
| &iter, 0, TRUE, 1, 1); |
| } |
| } |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextComponentPeer_getSelectionStart |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| int pos = 0; |
| GtkEditable *editable; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| GtkTextIter start; |
| GtkTextIter end; |
| int starti, endi; |
| GtkTextMark *mark; |
| GtkTextIter iter; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gdk_threads_enter (); |
| |
| if (GTK_IS_EDITABLE (ptr)) |
| { |
| editable = GTK_EDITABLE (ptr); |
| if (gtk_editable_get_selection_bounds (editable, &starti, &endi)) |
| pos = starti; |
| else |
| pos = gtk_editable_get_position (editable); |
| } |
| else |
| { |
| if (GTK_IS_SCROLLED_WINDOW (ptr)) |
| { |
| text = GTK_WIDGET (GTK_TEXT_VIEW (GTK_SCROLLED_WINDOW (ptr)->container.child)); |
| } |
| else if (GTK_IS_TEXT_VIEW (ptr)) |
| { |
| text = GTK_WIDGET (ptr); |
| } |
| |
| if (text) |
| { |
| buf = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)); |
| if (gtk_text_buffer_get_selection_bounds(buf, &start, &end)) |
| pos = gtk_text_iter_get_offset (&start); |
| else |
| { |
| mark = gtk_text_buffer_get_insert (buf); |
| gtk_text_buffer_get_iter_at_mark (buf, &iter, mark); |
| pos = gtk_text_iter_get_offset (&iter); |
| } |
| } |
| } |
| |
| gdk_threads_leave (); |
| |
| return pos; |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextComponentPeer_getSelectionEnd |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| int pos = 0; |
| GtkEditable *editable; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| GtkTextIter start; |
| GtkTextIter end; |
| int starti, endi; |
| GtkTextMark *mark; |
| GtkTextIter iter; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gdk_threads_enter (); |
| |
| if (GTK_IS_EDITABLE (ptr)) |
| { |
| editable = GTK_EDITABLE (ptr); |
| if (gtk_editable_get_selection_bounds (editable, &starti, &endi)) |
| pos = endi; |
| else |
| pos = gtk_editable_get_position (editable); |
| } |
| else |
| { |
| if (GTK_IS_SCROLLED_WINDOW (ptr)) |
| { |
| text = GTK_WIDGET (GTK_TEXT_VIEW (GTK_SCROLLED_WINDOW (ptr)->container.child)); |
| } |
| else if (GTK_IS_TEXT_VIEW (ptr)) |
| { |
| text = GTK_WIDGET (ptr); |
| } |
| |
| if (text) |
| { |
| buf = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)); |
| if (gtk_text_buffer_get_selection_bounds(buf, &start, &end)) |
| pos = gtk_text_iter_get_offset (&end); |
| else |
| { |
| mark = gtk_text_buffer_get_insert (buf); |
| gtk_text_buffer_get_iter_at_mark (buf, &iter, mark); |
| pos = gtk_text_iter_get_offset (&iter); |
| } |
| } |
| } |
| |
| gdk_threads_leave (); |
| |
| return pos; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextComponentPeer_select |
| (JNIEnv *env, jobject obj, jint start, jint end) |
| { |
| void *ptr; |
| GtkEditable *editable; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| GtkTextIter iter; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gdk_threads_enter (); |
| |
| |
| if (GTK_IS_EDITABLE (ptr)) |
| { |
| editable = GTK_EDITABLE (ptr); |
| gtk_editable_select_region (editable, start, end); |
| } |
| else |
| { |
| if (GTK_IS_SCROLLED_WINDOW (ptr)) |
| { |
| text = GTK_WIDGET (GTK_TEXT_VIEW (GTK_SCROLLED_WINDOW (ptr)->container.child)); |
| } |
| else if (GTK_IS_TEXT_VIEW (ptr)) |
| { |
| text = GTK_WIDGET (ptr); |
| } |
| |
| if (text) |
| { |
| buf = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)); |
| gtk_text_buffer_get_iter_at_offset (buf, &iter, start); |
| /* quickly move both 'insert' and 'selection_bound' to the |
| same position */ |
| gtk_text_buffer_place_cursor (buf, &iter); |
| gtk_text_buffer_get_iter_at_offset (buf, &iter, end); |
| gtk_text_buffer_move_mark_by_name (buf, "selection_bound", &iter); |
| } |
| } |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextComponentPeer_setEditable |
| (JNIEnv *env, jobject obj, jboolean state) |
| { |
| void *ptr; |
| GtkEditable *editable; |
| GtkWidget *text = NULL; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gdk_threads_enter (); |
| |
| if (GTK_IS_EDITABLE (ptr)) |
| { |
| editable = GTK_EDITABLE (ptr); |
| gtk_editable_set_editable (editable, state); |
| } |
| else |
| { |
| if (GTK_IS_SCROLLED_WINDOW (ptr)) |
| { |
| text = GTK_WIDGET (GTK_TEXT_VIEW (GTK_SCROLLED_WINDOW (ptr)->container.child)); |
| } |
| else if (GTK_IS_TEXT_VIEW (ptr)) |
| { |
| text = GTK_WIDGET (ptr); |
| } |
| |
| if (text) |
| { |
| gtk_text_view_set_editable (GTK_TEXT_VIEW (text), state); |
| } |
| } |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT jstring JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextComponentPeer_getText |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| char *contents = NULL; |
| jstring jcontents; |
| GtkEditable *editable; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| GtkTextIter start, end; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gdk_threads_enter (); |
| |
| if (GTK_IS_EDITABLE (ptr)) |
| { |
| editable = GTK_EDITABLE (ptr); |
| contents = gtk_editable_get_chars (editable, 0, -1); |
| } |
| else |
| { |
| if (GTK_IS_SCROLLED_WINDOW (ptr)) |
| { |
| text = GTK_WIDGET (GTK_TEXT_VIEW (GTK_SCROLLED_WINDOW (ptr)->container.child)); |
| } |
| else if (GTK_IS_TEXT_VIEW (ptr)) |
| { |
| text = GTK_WIDGET (ptr); |
| } |
| |
| if (text) |
| { |
| buf = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)); |
| gtk_text_buffer_get_start_iter (buf, &start); |
| gtk_text_buffer_get_end_iter (buf, &end); |
| contents = gtk_text_buffer_get_text (buf, &start, &end, FALSE); |
| } |
| } |
| |
| gdk_threads_leave (); |
| |
| jcontents = (*env)->NewStringUTF (env, contents); |
| g_free (contents); |
| |
| return jcontents; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextComponentPeer_setText |
| (JNIEnv *env, jobject obj, jstring contents) |
| { |
| void *ptr; |
| const char *str; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| str = (*env)->GetStringUTFChars (env, contents, NULL); |
| |
| gdk_threads_enter (); |
| |
| if (GTK_IS_EDITABLE (ptr)) |
| { |
| gtk_entry_set_text (GTK_ENTRY (ptr), str); |
| } |
| else |
| { |
| if (GTK_IS_SCROLLED_WINDOW (ptr)) |
| { |
| text = GTK_WIDGET (GTK_TEXT_VIEW (GTK_SCROLLED_WINDOW (ptr)->container.child)); |
| } |
| else if (GTK_IS_TEXT_VIEW (ptr)) |
| { |
| text = GTK_WIDGET (ptr); |
| } |
| |
| if (text) |
| { |
| buf = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)); |
| gtk_text_buffer_set_text (buf, str, strlen (str)); |
| } |
| } |
| |
| gdk_threads_leave (); |
| |
| (*env)->ReleaseStringUTFChars (env, contents, str); |
| } |
| |
| static void |
| textcomponent_changed_cb (GtkEditable *editable __attribute__((unused)), |
| jobject peer) |
| { |
| gdk_threads_leave (); |
| (*gdk_env())->CallVoidMethod (gdk_env(), peer, postTextEventID); |
| gdk_threads_enter (); |
| } |