| /* gtkbuttonpeer.c -- Native implementation of GtkButtonPeer |
| Copyright (C) 1998, 1999 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_GtkButtonPeer.h" |
| |
| static gboolean focus_in_cb (GtkWidget *widget, |
| GdkEventFocus *event, |
| jobject peer); |
| static gboolean focus_out_cb (GtkWidget *widget, |
| GdkEventFocus *event, |
| jobject peer); |
| |
| static void block_expose_events_cb (GtkWidget *widget, |
| jobject peer); |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkButtonPeer_create |
| (JNIEnv *env, jobject obj, jstring label) |
| { |
| const char *c_label; |
| GtkWidget *eventbox; |
| GtkWidget *button; |
| |
| NSA_SET_GLOBAL_REF (env, obj); |
| |
| c_label = (*env)->GetStringUTFChars (env, label, NULL); |
| |
| gdk_threads_enter (); |
| |
| eventbox = gtk_event_box_new (); |
| button = gtk_button_new_with_label (c_label); |
| gtk_container_add (GTK_CONTAINER (eventbox), button); |
| gtk_widget_show (button); |
| |
| gdk_threads_leave (); |
| |
| (*env)->ReleaseStringUTFChars (env, label, c_label); |
| NSA_SET_PTR (env, obj, eventbox); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkButtonPeer_connectSignals |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| jobject *gref; |
| GtkWidget *button; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| gref = NSA_GET_GLOBAL_REF (env, obj); |
| |
| gdk_threads_enter (); |
| |
| button = gtk_bin_get_child (GTK_BIN (ptr)); |
| |
| g_signal_connect (G_OBJECT (ptr), "event", |
| G_CALLBACK (pre_event_handler), *gref); |
| |
| g_signal_connect (G_OBJECT (button), "event", |
| G_CALLBACK (pre_event_handler), *gref); |
| |
| g_signal_connect (G_OBJECT (button), "focus-in-event", |
| G_CALLBACK (focus_in_cb), *gref); |
| |
| g_signal_connect (G_OBJECT (button), "focus-out-event", |
| G_CALLBACK (focus_out_cb), *gref); |
| |
| g_signal_connect_after (G_OBJECT (button), "pressed", |
| G_CALLBACK (block_expose_events_cb), *gref); |
| |
| g_signal_connect_after (G_OBJECT (button), "released", |
| G_CALLBACK (block_expose_events_cb), *gref); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkSetLabel |
| (JNIEnv *env, jobject obj, jstring jtext) |
| { |
| const char *text; |
| GtkWidget *button; |
| GtkWidget *label; |
| void *ptr; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| text = (*env)->GetStringUTFChars (env, jtext, NULL); |
| |
| gdk_threads_enter (); |
| |
| button = gtk_bin_get_child (GTK_BIN (ptr)); |
| label = gtk_bin_get_child (GTK_BIN (button)); |
| gtk_label_set_text (GTK_LABEL (label), text); |
| |
| gdk_threads_leave (); |
| |
| (*env)->ReleaseStringUTFChars (env, jtext, text); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkWidgetModifyFont |
| (JNIEnv *env, jobject obj, jstring name, jint style, jint size) |
| { |
| const char *font_name; |
| void *ptr; |
| GtkWidget *button; |
| GtkWidget *label; |
| PangoFontDescription *font_desc; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| font_name = (*env)->GetStringUTFChars (env, name, NULL); |
| |
| gdk_threads_enter(); |
| |
| button = gtk_bin_get_child (GTK_BIN (ptr)); |
| label = gtk_bin_get_child (GTK_BIN (button)); |
| |
| font_desc = pango_font_description_from_string (font_name); |
| pango_font_description_set_size (font_desc, size * 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(label), font_desc); |
| |
| pango_font_description_free (font_desc); |
| |
| gdk_threads_leave(); |
| |
| (*env)->ReleaseStringUTFChars (env, name, font_name); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkWidgetSetBackground |
| (JNIEnv *env, jobject obj, jint red, jint green, jint blue) |
| { |
| GdkColor normal_color; |
| GdkColor prelight_color; |
| GdkColor active_color; |
| int prelight_red; |
| int prelight_blue; |
| int prelight_green; |
| GtkWidget *button; |
| void *ptr; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| normal_color.red = (red / 255.0) * 65535; |
| normal_color.green = (green / 255.0) * 65535; |
| normal_color.blue = (blue / 255.0) * 65535; |
| |
| /* This calculation only approximate the active color produced by |
| Sun's AWT. */ |
| active_color.red = 0.85 * (red / 255.0) * 65535; |
| active_color.green = 0.85 * (green / 255.0) * 65535; |
| active_color.blue = 0.85 * (blue / 255.0) * 65535; |
| |
| /* There is no separate prelight color in Motif. */ |
| prelight_red = 1.15 * (red / 255.0) * 65535; |
| prelight_green = 1.15 * (green / 255.0) * 65535; |
| prelight_blue = 1.15 * (blue / 255.0) * 65535; |
| |
| prelight_color.red = prelight_red > 65535 ? 65535 : prelight_red; |
| prelight_color.green = prelight_green > 65535 ? 65535 : prelight_green; |
| prelight_color.blue = prelight_blue > 65535 ? 65535 : prelight_blue; |
| |
| gdk_threads_enter (); |
| |
| button = gtk_bin_get_child (GTK_BIN (ptr)); |
| |
| gtk_widget_modify_bg (button, GTK_STATE_NORMAL, &normal_color); |
| gtk_widget_modify_bg (button, GTK_STATE_ACTIVE, &active_color); |
| gtk_widget_modify_bg (button, GTK_STATE_PRELIGHT, &prelight_color); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkWidgetSetForeground |
| (JNIEnv *env, jobject obj, jint red, jint green, jint blue) |
| { |
| GdkColor color; |
| GtkWidget *button; |
| GtkWidget *label; |
| void *ptr; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| color.red = (red / 255.0) * 65535; |
| color.green = (green / 255.0) * 65535; |
| color.blue = (blue / 255.0) * 65535; |
| |
| gdk_threads_enter (); |
| |
| button = gtk_bin_get_child (GTK_BIN (ptr)); |
| label = gtk_bin_get_child (GTK_BIN (button)); |
| |
| gtk_widget_modify_fg (label, GTK_STATE_NORMAL, &color); |
| gtk_widget_modify_fg (label, GTK_STATE_ACTIVE, &color); |
| gtk_widget_modify_fg (label, GTK_STATE_PRELIGHT, &color); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkActivate |
| (JNIEnv *env, jobject obj) |
| { |
| GtkWidget *button; |
| void *ptr; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gdk_threads_enter (); |
| |
| button = gtk_bin_get_child (GTK_BIN (ptr)); |
| gtk_widget_activate (GTK_WIDGET (button)); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkWidgetRequestFocus |
| (JNIEnv *env, jobject obj) |
| { |
| void *ptr; |
| GtkWidget *button; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gdk_threads_enter (); |
| button = gtk_bin_get_child (GTK_BIN (ptr)); |
| gtk_widget_grab_focus (button); |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkButtonPeer_setNativeBounds |
| (JNIEnv *env, jobject obj, jint x, jint y, jint width, jint height) |
| { |
| GtkWidget *widget, *child; |
| void *ptr; |
| |
| ptr = NSA_GET_PTR (env, obj); |
| |
| gdk_threads_enter (); |
| |
| widget = GTK_WIDGET (ptr); |
| |
| /* We assume that -1 is a width or height and not a request for the |
| widget's natural size. */ |
| width = width < 0 ? 0 : width; |
| height = height < 0 ? 0 : height; |
| child = gtk_bin_get_child (GTK_BIN (widget)); |
| |
| if (!(width == 0 && height == 0)) |
| { |
| /* Set the event box's size request... */ |
| gtk_widget_set_size_request (widget, width, height); |
| /* ...and the button's size request... */ |
| gtk_widget_set_size_request (child, width, height); |
| /* ...and the label's size request. */ |
| gtk_widget_set_size_request (gtk_bin_get_child (GTK_BIN (child)), width, |
| height); |
| if (widget->parent != NULL) |
| gtk_fixed_move (GTK_FIXED (widget->parent), widget, x, y); |
| } |
| |
| gdk_threads_leave (); |
| } |
| |
| static gboolean |
| focus_in_cb (GtkWidget *widget __attribute((unused)), |
| GdkEventFocus *event __attribute((unused)), |
| jobject peer) |
| { |
| gdk_threads_leave (); |
| (*gdk_env())->CallVoidMethod (gdk_env(), peer, |
| postFocusEventID, |
| AWT_FOCUS_GAINED, |
| JNI_FALSE); |
| gdk_threads_enter (); |
| return FALSE; |
| } |
| |
| static gboolean |
| focus_out_cb (GtkWidget *widget __attribute((unused)), |
| GdkEventFocus *event __attribute((unused)), |
| jobject peer) |
| { |
| gdk_threads_leave (); |
| (*gdk_env())->CallVoidMethod (gdk_env(), peer, |
| postFocusEventID, |
| AWT_FOCUS_LOST, |
| JNI_FALSE); |
| gdk_threads_enter (); |
| return FALSE; |
| } |
| |
| static void |
| block_expose_events_cb (GtkWidget *widget, jobject peer) |
| { |
| gdk_threads_leave (); |
| (*gdk_env())->CallVoidMethod (gdk_env(), peer, |
| beginNativeRepaintID); |
| gdk_threads_enter (); |
| |
| gdk_window_process_updates (widget->window, TRUE); |
| |
| gdk_threads_leave (); |
| (*gdk_env())->CallVoidMethod (gdk_env(), peer, |
| endNativeRepaintID); |
| gdk_threads_enter (); |
| } |