| /* gtktextfieldpeer.c -- Native implementation of GtkTextFieldPeer |
| Copyright (C) 1998, 1999, 2002 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_GtkTextFieldPeer.h" |
| |
| /* the color used for highlighting when the foreground is black, |
| since black highlights aren't a Good Idea. */ |
| #define BB_RED 16962 |
| #define BB_GREEN 26985 |
| #define BB_BLUE 31611 |
| |
| static jmethodID postTextEventID; |
| |
| void |
| cp_gtk_textcomponent_init_jni (void) |
| { |
| jclass gtkcomponentpeer; |
| |
| gtkcomponentpeer = (*cp_gtk_gdk_env())->FindClass (cp_gtk_gdk_env(), |
| "gnu/java/awt/peer/gtk/GtkComponentPeer"); |
| |
| postTextEventID = (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), gtkcomponentpeer, |
| "postTextEvent", |
| "()V"); |
| } |
| |
| static void textcomponent_changed_cb (GtkEditable *editable, jobject peer); |
| |
| static jint get_border_width (GtkWidget *entry); |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_create |
| (JNIEnv *env, jobject obj, jint text_width) |
| { |
| GtkWidget *entry; |
| |
| gdk_threads_enter (); |
| |
| /* Create global reference and save it for future use */ |
| NSA_SET_GLOBAL_REF (env, obj); |
| |
| entry = gtk_entry_new (); |
| gtk_widget_set_size_request (entry, |
| text_width + 2 * get_border_width (entry), -1); |
| |
| NSA_SET_PTR (env, obj, entry); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_connectSignals |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| jobject *gref; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| gref = NSA_GET_GLOBAL_REF (env, obj); |
| |
| /* TextComponent signals */ |
| cp_gtk_textcomponent_connect_signals (G_OBJECT (ptr), gref); |
| |
| /* Component signals */ |
| cp_gtk_component_connect_signals (G_OBJECT (ptr), gref); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_gtkWidgetSetBackground |
| (JNIEnv *env, jobject obj, jint red, jint green, jint blue) |
| { |
| GdkColor color; |
| void *ptr; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| color.red = (red / 255.0) * 65535; |
| color.green = (green / 255.0) * 65535; |
| color.blue = (blue / 255.0) * 65535; |
| |
| gtk_widget_modify_base (GTK_WIDGET (ptr), GTK_STATE_NORMAL, &color); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_gtkWidgetSetForeground |
| (JNIEnv *env, jobject obj, jint red, jint green, jint blue) |
| { |
| GdkColor color; |
| void *ptr; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| color.red = (red / 255.0) * 65535; |
| color.green = (green / 255.0) * 65535; |
| color.blue = (blue / 255.0) * 65535; |
| |
| gtk_widget_modify_text (GTK_WIDGET (ptr), GTK_STATE_NORMAL, &color); |
| |
| if ( red == 0 && green == 0 && blue == 0) |
| { |
| color.red = BB_RED; |
| color.green = BB_GREEN; |
| color.blue = BB_BLUE; |
| } |
| gtk_widget_modify_base (GTK_WIDGET (ptr), GTK_STATE_SELECTED, &color); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_gtkEntryGetBorderWidth |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| int border_width = 0; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| border_width = get_border_width (GTK_WIDGET (ptr)); |
| |
| gdk_threads_leave (); |
| |
| return border_width; |
| } |
| |
| /* GTK hard-codes this value. It is the space between a GtkEntry's |
| frame and its text. */ |
| #define INNER_BORDER 2 |
| |
| static jint |
| get_border_width (GtkWidget *entry) |
| { |
| gint focus_width; |
| gboolean interior_focus; |
| int x_border_width = INNER_BORDER; |
| |
| gtk_widget_style_get (entry, |
| "interior-focus", &interior_focus, |
| "focus-line-width", &focus_width, |
| NULL); |
| |
| if (GTK_ENTRY (entry)->has_frame) |
| x_border_width += entry->style->xthickness; |
| |
| if (!interior_focus) |
| x_border_width += focus_width; |
| |
| return x_border_width; |
| } |
| |
| #undef INNER_BORDER |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_setEchoChar |
| (JNIEnv *env, jobject obj, jchar c) |
| { |
| void *ptr; |
| GtkEntry *entry; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| entry = GTK_ENTRY (ptr); |
| |
| if (c != 0) |
| { |
| /* FIXME: use gtk_entry_set_invisible_char (GtkEntry *entry, |
| gunichar ch) here. That means we must convert from jchar |
| (utf16) to gunichar (ucs4). */ |
| gtk_entry_set_visibility (entry, FALSE); |
| } |
| else |
| gtk_entry_set_visibility (entry, TRUE); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_getCaretPosition |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| int pos = 0; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| pos = gtk_editable_get_position (GTK_EDITABLE (ptr)); |
| |
| gdk_threads_leave (); |
| |
| return pos; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_setCaretPosition |
| (JNIEnv *env, jobject obj, jint pos) |
| { |
| void *ptr; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gtk_editable_set_position (GTK_EDITABLE (ptr), pos); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_getSelectionStart |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| int pos = 0; |
| int starti, endi; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| if (gtk_editable_get_selection_bounds (GTK_EDITABLE (ptr), &starti, &endi)) |
| pos = starti; |
| else |
| pos = gtk_editable_get_position (GTK_EDITABLE (ptr)); |
| |
| gdk_threads_leave (); |
| |
| return pos; |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_getSelectionEnd |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| int pos = 0; |
| int starti, endi; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| if (gtk_editable_get_selection_bounds (GTK_EDITABLE (ptr), &starti, &endi)) |
| pos = endi; |
| else |
| pos = gtk_editable_get_position (GTK_EDITABLE (ptr)); |
| |
| gdk_threads_leave (); |
| |
| return pos; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_select |
| (JNIEnv *env, jobject obj, jint start, jint end) |
| { |
| void *ptr; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gtk_editable_select_region (GTK_EDITABLE (ptr), start, end); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_setEditable |
| (JNIEnv *env, jobject obj, jboolean state) |
| { |
| void *ptr; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gtk_editable_set_editable (GTK_EDITABLE (ptr), state); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT jstring JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_getText |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| char *contents = NULL; |
| jstring jcontents; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| contents = gtk_editable_get_chars (GTK_EDITABLE (ptr), 0, -1); |
| |
| jcontents = (*env)->NewStringUTF (env, contents); |
| |
| g_free (contents); |
| |
| gdk_threads_leave (); |
| |
| return jcontents; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkTextFieldPeer_setText |
| (JNIEnv *env, jobject obj, jstring contents) |
| { |
| void *ptr; |
| const char *str; |
| |
| gdk_threads_enter (); |
| |
| ptr = NSA_GET_PTR (env, obj); |
| str = (*env)->GetStringUTFChars (env, contents, NULL); |
| |
| gtk_entry_set_text (GTK_ENTRY (ptr), str); |
| |
| (*env)->ReleaseStringUTFChars (env, contents, str); |
| |
| gdk_threads_leave (); |
| } |
| |
| void |
| cp_gtk_textcomponent_connect_signals (GObject *ptr, jobject *gref) |
| { |
| g_signal_connect (G_OBJECT(ptr), "changed", |
| G_CALLBACK (textcomponent_changed_cb), *gref); |
| } |
| |
| static void |
| textcomponent_changed_cb (GtkEditable *editable __attribute__((unused)), |
| jobject peer) |
| { |
| (*cp_gtk_gdk_env())->CallVoidMethod (cp_gtk_gdk_env(), peer, postTextEventID); |
| } |