diff options
Diffstat (limited to 'libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextAreaPeer.c')
| -rw-r--r-- | libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextAreaPeer.c | 547 |
1 files changed, 547 insertions, 0 deletions
diff --git a/libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextAreaPeer.c b/libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextAreaPeer.c new file mode 100644 index 000000000..4d768fa33 --- /dev/null +++ b/libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextAreaPeer.c @@ -0,0 +1,547 @@ +/* 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 */ + gtkpeer_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); + + gtkpeer_set_widget (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 = gtkpeer_get_widget (env, obj); + gref = gtkpeer_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 = gtkpeer_get_widget (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 = gtkpeer_get_widget (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 = gtkpeer_get_widget (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 = gtkpeer_get_widget (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 = gtkpeer_get_widget (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 = gtkpeer_get_widget (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 = gtkpeer_get_widget (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 = gtkpeer_get_widget (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 = gtkpeer_get_widget (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 = gtkpeer_get_widget (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 = gtkpeer_get_widget (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 = gtkpeer_get_widget (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 = gtkpeer_get_widget (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 = gtkpeer_get_widget (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; +} |