| /* gtktextareapeer.c -- Native implementation of GtkTextAreaPeer |
| Copyright (C) 1998, 1999, 2003 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_peer_gtk_GtkTextAreaPeer.h" |
| |
| #define AWT_TEXTAREA_SCROLLBARS_BOTH 0 |
| #define AWT_TEXTAREA_SCROLLBARS_VERTICAL_ONLY 1 |
| #define AWT_TEXTAREA_SCROLLBARS_HORIZONTAL_ONLY 2 |
| |
| static GtkWidget *textarea_get_widget (GtkWidget *widget); |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextAreaPeer_create |
| (JNIEnv *env, jobject obj, |
| jint textview_width, jint textview_height, jint scroll) |
| { |
| GtkWidget *text; |
| GtkWidget *sw; |
| GtkWidget *eventbox; |
| |
| gdk_threads_enter (); |
| |
| /* Create global reference and save it for future use */ |
| NSA_SET_GLOBAL_REF (env, obj); |
| |
| text = gtk_text_view_new (); |
| gtk_widget_set_size_request (text, textview_width, textview_height); |
| gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW (text), TRUE); |
| |
| gtk_widget_show (text); |
| |
| eventbox = gtk_event_box_new (); |
| sw = gtk_scrolled_window_new (NULL, NULL); |
| gtk_container_add (GTK_CONTAINER (sw), text); |
| gtk_container_add (GTK_CONTAINER (eventbox), sw); |
| gtk_widget_show (sw); |
| |
| gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), |
| /* horizontal scrollbar */ |
| (scroll == AWT_TEXTAREA_SCROLLBARS_BOTH |
| || scroll == AWT_TEXTAREA_SCROLLBARS_HORIZONTAL_ONLY) ? |
| GTK_POLICY_ALWAYS : GTK_POLICY_NEVER, |
| /* vertical scrollbar */ |
| (scroll == AWT_TEXTAREA_SCROLLBARS_BOTH |
| || scroll == AWT_TEXTAREA_SCROLLBARS_VERTICAL_ONLY) ? |
| GTK_POLICY_ALWAYS : GTK_POLICY_NEVER); |
| |
| gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (text), |
| (scroll == AWT_TEXTAREA_SCROLLBARS_BOTH |
| || scroll == AWT_TEXTAREA_SCROLLBARS_HORIZONTAL_ONLY) |
| ? GTK_WRAP_NONE : GTK_WRAP_WORD); |
| |
| NSA_SET_PTR (env, obj, eventbox); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextAreaPeer_connectSignals |
| (JNIEnv *env, jobject obj) |
| { |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| void *ptr; |
| jobject *gref; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| gref = NSA_GET_GLOBAL_REF (env, obj); |
| |
| /* Unwrap the text view from the scrolled window */ |
| text = textarea_get_widget (GTK_WIDGET (ptr)); |
| |
| buf = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)); |
| |
| /* TextComponent signals */ |
| cp_gtk_textcomponent_connect_signals (G_OBJECT (buf), gref); |
| |
| /* Component signals */ |
| cp_gtk_component_connect_signals (G_OBJECT (text), gref); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextAreaPeer_insert |
| (JNIEnv *env, jobject obj, jstring contents, jint position) |
| { |
| GtkTextBuffer *buf; |
| GtkTextIter iter; |
| GtkWidget *text; |
| void *ptr; |
| const char *str; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| str = (*env)->GetStringUTFChars (env, contents, NULL); |
| |
| text = textarea_get_widget (GTK_WIDGET (ptr)); |
| |
| buf = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)); |
| gtk_text_buffer_get_iter_at_offset (buf, &iter, position); |
| gtk_text_buffer_insert (buf, &iter, str, strlen (str)); |
| |
| (*env)->ReleaseStringUTFChars (env, contents, str); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextAreaPeer_replaceRange |
| (JNIEnv *env, jobject obj, jstring contents, jint start, jint end) |
| { |
| GtkWidget *text; |
| GtkTextBuffer *buf; |
| GtkTextIter iter, startIter, endIter; |
| void *ptr; |
| const char *str; |
| int mystart = start; |
| int myend = end; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| str = (*env)->GetStringUTFChars (env, contents, NULL); |
| |
| text = textarea_get_widget (GTK_WIDGET (ptr)); |
| |
| buf = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)); |
| |
| gtk_text_buffer_get_iter_at_offset (buf, &startIter, mystart); |
| gtk_text_buffer_get_iter_at_offset (buf, &endIter, myend); |
| gtk_text_buffer_delete (buf, &startIter, &endIter); |
| |
| gtk_text_buffer_get_iter_at_offset (buf, &iter, mystart); |
| gtk_text_buffer_insert(buf, &iter, str, strlen (str)); |
| |
| (*env)->ReleaseStringUTFChars (env, contents, str); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextAreaPeer_gtkWidgetModifyFont |
| (JNIEnv *env, jobject obj, jstring name, jint style, jint size) |
| { |
| const char *font_name; |
| void *ptr; |
| GtkWidget *text; |
| PangoFontDescription *font_desc; |
| |
| gdk_threads_enter(); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| text = textarea_get_widget (GTK_WIDGET (ptr)); |
| |
| font_name = (*env)->GetStringUTFChars (env, name, NULL); |
| |
| font_desc = pango_font_description_from_string (font_name); |
| pango_font_description_set_size (font_desc, |
| size * cp_gtk_dpi_conversion_factor); |
| |
| if (style & AWT_STYLE_BOLD) |
| pango_font_description_set_weight (font_desc, PANGO_WEIGHT_BOLD); |
| |
| if (style & AWT_STYLE_ITALIC) |
| pango_font_description_set_style (font_desc, PANGO_STYLE_OBLIQUE); |
| |
| gtk_widget_modify_font (GTK_WIDGET (text), font_desc); |
| |
| pango_font_description_free (font_desc); |
| |
| (*env)->ReleaseStringUTFChars (env, name, font_name); |
| |
| gdk_threads_leave(); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextAreaPeer_gtkWidgetRequestFocus |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| GtkWidget *text; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| text = textarea_get_widget (GTK_WIDGET (ptr)); |
| |
| gtk_widget_grab_focus (text); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextAreaPeer_getHScrollbarHeight |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| GtkWidget *bin; |
| GtkScrolledWindow *sw; |
| GtkRequisition requisition; |
| jint height = 0; |
| jint spacing = 0; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| bin = gtk_bin_get_child (GTK_BIN (ptr)); |
| sw = GTK_SCROLLED_WINDOW (bin); |
| |
| if (sw) |
| { |
| gtk_widget_size_request (sw->hscrollbar, &requisition); |
| gtk_widget_style_get (GTK_WIDGET (sw), "scrollbar_spacing", &spacing, NULL); |
| height = requisition.height + spacing; |
| } |
| |
| gdk_threads_leave (); |
| |
| return height; |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextAreaPeer_getVScrollbarWidth |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| GtkWidget *bin; |
| GtkScrolledWindow *sw; |
| GtkRequisition requisition; |
| jint width = 0; |
| jint spacing = 0; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| bin = gtk_bin_get_child (GTK_BIN (ptr)); |
| sw = GTK_SCROLLED_WINDOW (bin); |
| |
| if (sw) |
| { |
| gtk_widget_size_request (sw->vscrollbar, &requisition); |
| gtk_widget_style_get (GTK_WIDGET (sw), "scrollbar_spacing", &spacing, NULL); |
| width = requisition.width + spacing; |
| } |
| |
| gdk_threads_leave (); |
| |
| return width; |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextAreaPeer_getCaretPosition |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| int pos = 0; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| GtkTextMark *mark; |
| GtkTextIter iter; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| text = textarea_get_widget (GTK_WIDGET (ptr)); |
| |
| 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_GtkTextAreaPeer_setCaretPosition |
| (JNIEnv *env, jobject obj, jint pos) |
| { |
| void *ptr; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| GtkTextIter iter; |
| GtkTextMark *oldmark; |
| GtkTextIter olditer; |
| int oldpos; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| text = textarea_get_widget (GTK_WIDGET (ptr)); |
| |
| 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_GtkTextAreaPeer_getSelectionStart |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| int pos = 0; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| GtkTextIter start; |
| GtkTextIter end; |
| GtkTextMark *mark; |
| GtkTextIter iter; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| text = textarea_get_widget (GTK_WIDGET (ptr)); |
| |
| 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_GtkTextAreaPeer_getSelectionEnd |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| int pos = 0; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| GtkTextIter start; |
| GtkTextIter end; |
| GtkTextMark *mark; |
| GtkTextIter iter; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| text = textarea_get_widget (GTK_WIDGET (ptr)); |
| |
| 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_GtkTextAreaPeer_select |
| (JNIEnv *env, jobject obj, jint start, jint end) |
| { |
| void *ptr; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| GtkTextIter iter; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| text = textarea_get_widget (GTK_WIDGET (ptr)); |
| |
| 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_GtkTextAreaPeer_setEditable |
| (JNIEnv *env, jobject obj, jboolean state) |
| { |
| void *ptr; |
| GtkWidget *text = NULL; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| text = textarea_get_widget (GTK_WIDGET (ptr)); |
| |
| gtk_text_view_set_editable (GTK_TEXT_VIEW (text), state); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT jstring JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextAreaPeer_getText |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| char *contents = NULL; |
| jstring jcontents; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| GtkTextIter start, end; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| text = textarea_get_widget (GTK_WIDGET (ptr)); |
| |
| 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); |
| |
| jcontents = (*env)->NewStringUTF (env, contents); |
| g_free (contents); |
| |
| gdk_threads_leave (); |
| |
| return jcontents; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextAreaPeer_setText |
| (JNIEnv *env, jobject obj, jstring contents) |
| { |
| void *ptr; |
| const char *str; |
| GtkWidget *text = NULL; |
| GtkTextBuffer *buf; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| str = (*env)->GetStringUTFChars (env, contents, NULL); |
| |
| text = textarea_get_widget (GTK_WIDGET (ptr)); |
| |
| buf = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)); |
| gtk_text_buffer_set_text (buf, str, strlen (str)); |
| |
| (*env)->ReleaseStringUTFChars (env, contents, str); |
| |
| gdk_threads_leave (); |
| } |
| |
| static GtkWidget * |
| textarea_get_widget (GtkWidget *widget) |
| { |
| GtkWidget *wid; |
| g_assert (GTK_IS_EVENT_BOX (widget)); |
| |
| wid = gtk_bin_get_child (GTK_BIN (widget)); |
| g_assert (GTK_IS_SCROLLED_WINDOW (wid)); |
| |
| wid = gtk_bin_get_child (GTK_BIN (wid)); |
| |
| return wid; |
| } |