348 lines
10 KiB
C
348 lines
10 KiB
C
/* gtkbuttonpeer.c -- Native implementation of GtkButtonPeer
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Copyright (C) 1998, 1999 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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#include "gtkpeer.h"
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#include "gnu_java_awt_peer_gtk_GtkButtonPeer.h"
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static gboolean focus_in_cb (GtkWidget *widget,
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GdkEventFocus *event,
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jobject peer);
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static gboolean focus_out_cb (GtkWidget *widget,
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GdkEventFocus *event,
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jobject peer);
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static void block_expose_events_cb (GtkWidget *widget,
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jobject peer);
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkButtonPeer_create
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(JNIEnv *env, jobject obj, jstring label)
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{
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const char *c_label;
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GtkWidget *eventbox;
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GtkWidget *button;
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NSA_SET_GLOBAL_REF (env, obj);
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c_label = (*env)->GetStringUTFChars (env, label, NULL);
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gdk_threads_enter ();
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eventbox = gtk_event_box_new ();
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button = gtk_button_new_with_label (c_label);
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gtk_container_add (GTK_CONTAINER (eventbox), button);
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gtk_widget_show (button);
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gdk_threads_leave ();
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(*env)->ReleaseStringUTFChars (env, label, c_label);
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NSA_SET_PTR (env, obj, eventbox);
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkButtonPeer_connectSignals
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(JNIEnv *env, jobject obj)
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{
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void *ptr;
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jobject *gref;
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GtkWidget *button;
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ptr = NSA_GET_PTR (env, obj);
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gref = NSA_GET_GLOBAL_REF (env, obj);
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gdk_threads_enter ();
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button = gtk_bin_get_child (GTK_BIN (ptr));
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g_signal_connect (G_OBJECT (ptr), "event",
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G_CALLBACK (pre_event_handler), *gref);
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g_signal_connect (G_OBJECT (button), "event",
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G_CALLBACK (pre_event_handler), *gref);
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g_signal_connect (G_OBJECT (button), "focus-in-event",
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G_CALLBACK (focus_in_cb), *gref);
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g_signal_connect (G_OBJECT (button), "focus-out-event",
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G_CALLBACK (focus_out_cb), *gref);
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g_signal_connect_after (G_OBJECT (button), "pressed",
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G_CALLBACK (block_expose_events_cb), *gref);
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g_signal_connect_after (G_OBJECT (button), "released",
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G_CALLBACK (block_expose_events_cb), *gref);
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gdk_threads_leave ();
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkSetLabel
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(JNIEnv *env, jobject obj, jstring jtext)
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{
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const char *text;
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GtkWidget *button;
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GtkWidget *label;
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void *ptr;
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ptr = NSA_GET_PTR (env, obj);
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text = (*env)->GetStringUTFChars (env, jtext, NULL);
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gdk_threads_enter ();
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button = gtk_bin_get_child (GTK_BIN (ptr));
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label = gtk_bin_get_child (GTK_BIN (button));
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gtk_label_set_text (GTK_LABEL (label), text);
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gdk_threads_leave ();
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(*env)->ReleaseStringUTFChars (env, jtext, text);
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkWidgetModifyFont
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(JNIEnv *env, jobject obj, jstring name, jint style, jint size)
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{
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const char *font_name;
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void *ptr;
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GtkWidget *button;
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GtkWidget *label;
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PangoFontDescription *font_desc;
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ptr = NSA_GET_PTR (env, obj);
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font_name = (*env)->GetStringUTFChars (env, name, NULL);
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gdk_threads_enter();
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button = gtk_bin_get_child (GTK_BIN (ptr));
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label = gtk_bin_get_child (GTK_BIN (button));
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font_desc = pango_font_description_from_string (font_name);
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pango_font_description_set_size (font_desc, size * dpi_conversion_factor);
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if (style & AWT_STYLE_BOLD)
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pango_font_description_set_weight (font_desc, PANGO_WEIGHT_BOLD);
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if (style & AWT_STYLE_ITALIC)
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pango_font_description_set_style (font_desc, PANGO_STYLE_OBLIQUE);
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gtk_widget_modify_font (GTK_WIDGET(label), font_desc);
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pango_font_description_free (font_desc);
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gdk_threads_leave();
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(*env)->ReleaseStringUTFChars (env, name, font_name);
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkWidgetSetBackground
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(JNIEnv *env, jobject obj, jint red, jint green, jint blue)
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{
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GdkColor normal_color;
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GdkColor prelight_color;
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GdkColor active_color;
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int prelight_red;
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int prelight_blue;
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int prelight_green;
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GtkWidget *button;
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void *ptr;
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ptr = NSA_GET_PTR (env, obj);
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normal_color.red = (red / 255.0) * 65535;
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normal_color.green = (green / 255.0) * 65535;
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normal_color.blue = (blue / 255.0) * 65535;
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/* This calculation only approximate the active color produced by
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Sun's AWT. */
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active_color.red = 0.85 * (red / 255.0) * 65535;
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active_color.green = 0.85 * (green / 255.0) * 65535;
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active_color.blue = 0.85 * (blue / 255.0) * 65535;
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/* There is no separate prelight color in Motif. */
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prelight_red = 1.15 * (red / 255.0) * 65535;
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prelight_green = 1.15 * (green / 255.0) * 65535;
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prelight_blue = 1.15 * (blue / 255.0) * 65535;
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prelight_color.red = prelight_red > 65535 ? 65535 : prelight_red;
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prelight_color.green = prelight_green > 65535 ? 65535 : prelight_green;
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prelight_color.blue = prelight_blue > 65535 ? 65535 : prelight_blue;
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gdk_threads_enter ();
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button = gtk_bin_get_child (GTK_BIN (ptr));
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gtk_widget_modify_bg (button, GTK_STATE_NORMAL, &normal_color);
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gtk_widget_modify_bg (button, GTK_STATE_ACTIVE, &active_color);
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gtk_widget_modify_bg (button, GTK_STATE_PRELIGHT, &prelight_color);
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gdk_threads_leave ();
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkWidgetSetForeground
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(JNIEnv *env, jobject obj, jint red, jint green, jint blue)
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{
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GdkColor color;
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GtkWidget *button;
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GtkWidget *label;
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void *ptr;
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ptr = NSA_GET_PTR (env, obj);
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color.red = (red / 255.0) * 65535;
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color.green = (green / 255.0) * 65535;
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color.blue = (blue / 255.0) * 65535;
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gdk_threads_enter ();
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button = gtk_bin_get_child (GTK_BIN (ptr));
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label = gtk_bin_get_child (GTK_BIN (button));
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gtk_widget_modify_fg (label, GTK_STATE_NORMAL, &color);
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gtk_widget_modify_fg (label, GTK_STATE_ACTIVE, &color);
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gtk_widget_modify_fg (label, GTK_STATE_PRELIGHT, &color);
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gdk_threads_leave ();
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkActivate
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(JNIEnv *env, jobject obj)
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{
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GtkWidget *button;
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void *ptr;
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ptr = NSA_GET_PTR (env, obj);
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gdk_threads_enter ();
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button = gtk_bin_get_child (GTK_BIN (ptr));
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gtk_widget_activate (GTK_WIDGET (button));
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gdk_threads_leave ();
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkWidgetRequestFocus
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(JNIEnv *env, jobject obj)
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{
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void *ptr;
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GtkWidget *button;
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ptr = NSA_GET_PTR (env, obj);
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gdk_threads_enter ();
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button = gtk_bin_get_child (GTK_BIN (ptr));
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gtk_widget_grab_focus (button);
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gdk_threads_leave ();
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkButtonPeer_setNativeBounds
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(JNIEnv *env, jobject obj, jint x, jint y, jint width, jint height)
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{
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GtkWidget *widget, *child;
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void *ptr;
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ptr = NSA_GET_PTR (env, obj);
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gdk_threads_enter ();
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widget = GTK_WIDGET (ptr);
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/* We assume that -1 is a width or height and not a request for the
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widget's natural size. */
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width = width < 0 ? 0 : width;
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height = height < 0 ? 0 : height;
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child = gtk_bin_get_child (GTK_BIN (widget));
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if (!(width == 0 && height == 0))
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{
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/* Set the event box's size request... */
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gtk_widget_set_size_request (widget, width, height);
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/* ...and the button's size request... */
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gtk_widget_set_size_request (child, width, height);
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/* ...and the label's size request. */
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gtk_widget_set_size_request (gtk_bin_get_child (GTK_BIN (child)), width,
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height);
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if (widget->parent != NULL)
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gtk_fixed_move (GTK_FIXED (widget->parent), widget, x, y);
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}
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gdk_threads_leave ();
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}
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static gboolean
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focus_in_cb (GtkWidget *widget __attribute((unused)),
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GdkEventFocus *event __attribute((unused)),
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jobject peer)
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{
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(*gdk_env)->CallVoidMethod (gdk_env, peer,
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postFocusEventID,
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AWT_FOCUS_GAINED,
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JNI_FALSE);
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return FALSE;
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}
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static gboolean
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focus_out_cb (GtkWidget *widget __attribute((unused)),
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GdkEventFocus *event __attribute((unused)),
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jobject peer)
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{
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(*gdk_env)->CallVoidMethod (gdk_env, peer,
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postFocusEventID,
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AWT_FOCUS_LOST,
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JNI_FALSE);
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return FALSE;
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}
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static void
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block_expose_events_cb (GtkWidget *widget, jobject peer)
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{
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(*gdk_env)->CallVoidMethod (gdk_env, peer,
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beginNativeRepaintID);
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gdk_window_process_updates (widget->window, TRUE);
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(*gdk_env)->CallVoidMethod (gdk_env, peer,
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endNativeRepaintID);
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}
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