627 lines
18 KiB
C
627 lines
18 KiB
C
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/* gtktoolkit.c -- Native portion of GtkToolkit
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Copyright (C) 1998, 1999, 2005, 2007 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., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 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_GtkToolkit.h"
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#include "jcl.h"
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#define RC_FILE ".classpath-gtkrc"
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/* From java.awt.SystemColor */
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#define AWT_DESKTOP 0
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#define AWT_ACTIVE_CAPTION 1
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#define AWT_ACTIVE_CAPTION_TEXT 2
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#define AWT_ACTIVE_CAPTION_BORDER 3
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#define AWT_INACTIVE_CAPTION 4
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#define AWT_INACTIVE_CAPTION_TEXT 5
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#define AWT_INACTIVE_CAPTION_BORDER 6
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#define AWT_WINDOW 7
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#define AWT_WINDOW_BORDER 8
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#define AWT_WINDOW_TEXT 9
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#define AWT_MENU 10
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#define AWT_MENU_TEXT 11
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#define AWT_TEXT 12
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#define AWT_TEXT_TEXT 13
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#define AWT_TEXT_HIGHLIGHT 14
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#define AWT_TEXT_HIGHLIGHT_TEXT 15
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#define AWT_TEXT_INACTIVE_TEXT 16
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#define AWT_CONTROL 17
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#define AWT_CONTROL_TEXT 18
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#define AWT_CONTROL_HIGHLIGHT 19
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#define AWT_CONTROL_LT_HIGHLIGHT 20
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#define AWT_CONTROL_SHADOW 21
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#define AWT_CONTROL_DK_SHADOW 22
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#define AWT_SCROLLBAR 23
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#define AWT_INFO 24
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#define AWT_INFO_TEXT 25
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#define AWT_NUM_COLORS 26
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#define VK_SHIFT 16
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#define VK_CONTROL 17
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#define VK_ALT 18
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#define VK_CAPS_LOCK 20
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#define VK_META 157
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static jclass gtkgenericpeer;
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static jclass gtktoolkit;
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static JavaVM *java_vm;
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static jmethodID printCurrentThreadID;
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static jmethodID setRunningID;
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/**
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* The global AWT lock object.
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*/
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static jobject global_lock;
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union env_union
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{
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void *void_env;
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JNIEnv *jni_env;
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};
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JNIEnv *
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cp_gtk_gdk_env()
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{
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union env_union tmp;
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g_assert((*java_vm)->GetEnv(java_vm, &tmp.void_env, JNI_VERSION_1_2) == JNI_OK);
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return tmp.jni_env;
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}
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GtkWindowGroup *cp_gtk_global_window_group;
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double cp_gtk_dpi_conversion_factor;
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static void jni_lock_cb();
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static void jni_unlock_cb();
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static void init_glib_threads(JNIEnv*, jint, jobject);
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static gboolean post_set_running_flag (gpointer);
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static gboolean set_running_flag (gpointer);
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static gboolean clear_running_flag (gpointer);
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static void init_dpi_conversion_factor (void);
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static void dpi_changed_cb (GtkSettings *settings,
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GParamSpec *pspec);
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#if GTK_MINOR_VERSION > 4
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static GLogFunc old_glog_func;
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static void glog_func (const gchar *log_domain,
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GLogLevelFlags log_level,
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const gchar *message,
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gpointer user_data);
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#endif
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkToolkit_initIDs
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(JNIEnv *env, jclass cls __attribute__((unused)))
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{
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gtkpeer_init_pointer_IDs(env);
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}
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/*
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* Call gtk_init. It is very important that this happen before any other
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* gtk calls.
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*
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* The portableNativeSync argument may have the values:
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* 1 if the Java property gnu.classpath.awt.gtk.portable.native.sync
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* is set to "true".
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* 0 if it is set to "false"
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* -1 if unset.
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*/
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkToolkit_gtkInit (JNIEnv *env,
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jclass clazz __attribute__((unused)),
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jint portableNativeSync,
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jobject lock)
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{
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int argc = 1;
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char **argv;
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char *homedir, *rcpath = NULL;
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gtkgenericpeer = (*env)->FindClass(env, "gnu/java/awt/peer/gtk/GtkGenericPeer");
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gtkgenericpeer = (*env)->NewGlobalRef(env, gtkgenericpeer);
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printCurrentThreadID = (*env)->GetStaticMethodID (env, gtkgenericpeer,
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"printCurrentThread", "()V");
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g_assert((*env)->GetJavaVM(env, &java_vm) == 0);
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/* GTK requires a program's argc and argv variables, and requires that they
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be valid. Set it up. */
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argv = (char **) g_malloc (sizeof (char *) * 2);
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argv[0] = (char *) g_malloc(1);
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argv[0][0] = '\0';
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argv[1] = NULL;
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init_glib_threads(env, portableNativeSync, lock);
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/* From GDK 2.0 onwards we have to explicitly call gdk_threads_init */
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gdk_threads_init();
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gtk_init (&argc, &argv);
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#if SYNCHRONIZE_GDK
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XSynchronize (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), True);
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#endif
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gtk_widget_set_default_colormap (gdk_rgb_get_colormap ());
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if ((homedir = getenv ("HOME")))
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{
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rcpath = (char *) g_malloc (strlen (homedir) + strlen (RC_FILE) + 2);
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sprintf (rcpath, "%s/%s", homedir, RC_FILE);
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}
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gtk_rc_parse ((rcpath) ? rcpath : RC_FILE);
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g_free (rcpath);
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g_free (argv[0]);
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g_free (argv);
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/* On errors or warning print a whole stacktrace. */
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#if GTK_MINOR_VERSION > 4
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old_glog_func = g_log_set_default_handler (&glog_func, NULL);
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#endif
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cp_gtk_button_init_jni (env);
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cp_gtk_checkbox_init_jni ();
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cp_gtk_choice_init_jni ();
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cp_gtk_component_init_jni ();
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cp_gtk_filedialog_init_jni ();
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cp_gtk_list_init_jni ();
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cp_gtk_menuitem_init_jni ();
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cp_gtk_scrollbar_init_jni ();
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cp_gtk_textcomponent_init_jni ();
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cp_gtk_window_init_jni ();
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cp_gtk_global_window_group = gtk_window_group_new ();
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init_dpi_conversion_factor ();
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gtktoolkit = (*env)->FindClass(env, "gnu/java/awt/peer/gtk/GtkMainThread");
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setRunningID = (*env)->GetStaticMethodID (env, gtktoolkit,
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"setRunning", "(Z)V");
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}
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/**
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* A callback function that implements gdk_threads_enter(). This is
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* implemented to wrap the JNI MonitorEnter() function.
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*/
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static void jni_lock_cb()
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{
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JNIEnv * env = cp_gtk_gdk_env();
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if ((*env)->MonitorEnter(env, global_lock) != JNI_OK)
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{
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printf("failure while entering GTK monitor\n");
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}
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}
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/**
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* A callback function that implements gdk_threads_leave(). This is
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* implemented to wrap the JNI MonitorExit() function.
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*/
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static void jni_unlock_cb()
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{
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JNIEnv * env = cp_gtk_gdk_env();
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if ((*env)->MonitorExit(env, global_lock))
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{
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printf("failure while exiting GTK monitor\n");
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}
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}
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/** Initialize GLIB's threads properly, based on the value of the
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gnu.classpath.awt.gtk.portable.native.sync Java system property. If
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that's unset, use the PORTABLE_NATIVE_SYNC config.h macro. (TODO:
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In some release following 0.10, that config.h macro will go away.)
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*/
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static void
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init_glib_threads(JNIEnv *env, jint portableNativeSync, jobject lock)
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{
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if (portableNativeSync < 0)
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{
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#ifdef PORTABLE_NATIVE_SYNC /* Default value, if not set by the Java system
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property */
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portableNativeSync = 1;
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#else
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portableNativeSync = 0;
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#endif
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}
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if (!g_thread_supported ())
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{
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if (portableNativeSync)
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{
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global_lock = (*env)->NewGlobalRef(env, lock);
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gdk_threads_set_lock_functions(&jni_lock_cb, &jni_unlock_cb);
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}
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g_thread_init(NULL);
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}
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else
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{
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/* Warn if portable native sync is desired but the threading
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system is already initialized. In that case we can't
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override the threading implementation with our portable
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native sync functions. */
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if (portableNativeSync)
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g_printerr ("peer warning: portable native sync disabled.\n");
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}
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/* Debugging progress message; uncomment if needed: */
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/* printf("called gthread init\n"); */
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}
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void
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cp_gtk_print_current_thread (void)
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{
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(*cp_gtk_gdk_env())->CallStaticVoidMethod (cp_gtk_gdk_env(), gtkgenericpeer, printCurrentThreadID);
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}
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/* This is a big hack, needed until this pango bug is resolved:
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http://bugzilla.gnome.org/show_bug.cgi?id=119081.
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See: http://mail.gnome.org/archives/gtk-i18n-list/2003-August/msg00001.html
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for details. */
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static void
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init_dpi_conversion_factor ()
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{
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GtkSettings *settings = gtk_settings_get_default ();
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GObjectClass *klass;
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klass = G_OBJECT_CLASS (GTK_SETTINGS_GET_CLASS (settings));
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if (g_object_class_find_property (klass, "gtk-xft-dpi"))
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{
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int int_dpi;
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g_object_get (settings, "gtk-xft-dpi", &int_dpi, NULL);
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/* If int_dpi == -1 gtk-xft-dpi returns the default value. So we
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have to do approximate calculation here. */
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if (int_dpi < 0)
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cp_gtk_dpi_conversion_factor = PANGO_SCALE * 72.0 / 96.;
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else
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cp_gtk_dpi_conversion_factor =
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PANGO_SCALE * 72.0 / (int_dpi / PANGO_SCALE);
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g_signal_connect (settings, "notify::gtk-xft-dpi",
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G_CALLBACK (dpi_changed_cb), NULL);
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}
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else
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/* Approximate. */
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cp_gtk_dpi_conversion_factor = PANGO_SCALE * 72.0 / 96.;
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}
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static void
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dpi_changed_cb (GtkSettings *settings,
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GParamSpec *pspec __attribute__((unused)))
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{
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int int_dpi;
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g_object_get (settings, "gtk-xft-dpi", &int_dpi, NULL);
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if (int_dpi < 0)
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cp_gtk_dpi_conversion_factor = PANGO_SCALE * 72.0 / 96.;
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else
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cp_gtk_dpi_conversion_factor =
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PANGO_SCALE * 72.0 / (int_dpi / PANGO_SCALE);
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}
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#if GTK_MINOR_VERSION > 4
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static void
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glog_func (const gchar *log_domain,
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GLogLevelFlags log_level,
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const gchar *message,
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gpointer user_data)
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{
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old_glog_func (log_domain, log_level, message, user_data);
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if (log_level & (G_LOG_LEVEL_ERROR
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| G_LOG_LEVEL_CRITICAL
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| G_LOG_LEVEL_WARNING))
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{
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JNIEnv *env = cp_gtk_gdk_env ();
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jthrowable *exc = (*env)->ExceptionOccurred(env);
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gchar *detail = g_strconcat (log_domain, ": ", message, NULL);
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JCL_ThrowException (env, "java/lang/InternalError", detail);
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g_free (detail);
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(*env)->ExceptionDescribe (env);
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if (exc != NULL)
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(*env)->Throw (env, exc);
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else
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(*env)->ExceptionClear (env);
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}
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}
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#endif
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkToolkit_gtkMain
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)))
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{
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gdk_threads_enter();
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gtk_init_add (post_set_running_flag, NULL);
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gtk_quit_add (gtk_main_level (), clear_running_flag, NULL);
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gtk_main ();
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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_GtkToolkit_gtkQuit
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)))
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{
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gdk_threads_enter ();
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gtk_main_quit ();
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gdk_threads_leave ();
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}
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static jint gdk_color_to_java_color (GdkColor color);
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkToolkit_beep
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)))
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{
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gdk_threads_enter ();
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gdk_beep ();
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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_GtkToolkit_sync
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)))
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{
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gdk_threads_enter ();
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gdk_flush ();
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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_GtkToolkit_getScreenSizeDimensions
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
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jintArray jdims)
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{
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jint *dims = (*env)->GetIntArrayElements (env, jdims, 0);
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gdk_threads_enter ();
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dims[0] = gdk_screen_width ();
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dims[1] = gdk_screen_height ();
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gdk_threads_leave ();
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(*env)->ReleaseIntArrayElements(env, jdims, dims, 0);
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}
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JNIEXPORT jint JNICALL
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Java_gnu_java_awt_peer_gtk_GtkToolkit_getScreenResolution
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)))
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{
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jint res;
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gdk_threads_enter ();
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res = gdk_screen_width () / (gdk_screen_width_mm () / 25.4);
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gdk_threads_leave ();
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return res;
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}
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/**
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* Report the number of mouse buttons
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* Returns the number of buttons of the first mouse found, or -1 if no mouse
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* seems to be connected.
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*/
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JNIEXPORT jint JNICALL
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Java_gnu_java_awt_peer_gtk_GtkToolkit_getMouseNumberOfButtons
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)))
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{
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jint res = -1;
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GList *devices;
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GdkDevice *d;
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gdk_threads_enter ();
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/* FIXME: Why doesn't this return the correct number? */
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devices = gdk_devices_list();
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while( res == -1 && devices != NULL )
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{
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d = GDK_DEVICE( devices->data );
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if( d->source == GDK_SOURCE_MOUSE )
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res = d->num_keys;
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devices = devices->next;
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}
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gdk_threads_leave ();
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return res;
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}
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#define CONVERT(type, state) \
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gdk_color_to_java_color (style->type[GTK_STATE_ ## state])
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GtkToolkit_loadSystemColors
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(JNIEnv *env, jobject obj __attribute__((unused)),
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jintArray jcolors)
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{
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jint *colors;
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GtkStyle *style;
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/* FIXME: this was deadlocking so assume it is thread-safe for now;
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we need to replace this call with a .properties file anyway. */
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#if 0
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gdk_threads_enter ();
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#endif
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colors = (*env)->GetIntArrayElements (env, jcolors, 0);
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style = gtk_widget_get_default_style ();
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colors[AWT_DESKTOP] = CONVERT (bg, SELECTED);
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colors[AWT_ACTIVE_CAPTION] = CONVERT (bg, SELECTED);
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colors[AWT_ACTIVE_CAPTION_TEXT] = CONVERT (text, SELECTED);
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colors[AWT_ACTIVE_CAPTION_BORDER] = CONVERT (fg, NORMAL);
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colors[AWT_INACTIVE_CAPTION] = CONVERT (base, INSENSITIVE);
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colors[AWT_INACTIVE_CAPTION_TEXT] = CONVERT (fg, INSENSITIVE);
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colors[AWT_INACTIVE_CAPTION_BORDER] = CONVERT (fg, INSENSITIVE);
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colors[AWT_WINDOW] = CONVERT (bg, NORMAL);
|
|
colors[AWT_WINDOW_BORDER] = CONVERT (fg, NORMAL);
|
|
colors[AWT_WINDOW_TEXT] = CONVERT (fg, NORMAL);
|
|
colors[AWT_MENU] = CONVERT (bg, NORMAL);
|
|
colors[AWT_MENU_TEXT] = CONVERT (fg, NORMAL);
|
|
colors[AWT_TEXT] = CONVERT (bg, NORMAL);
|
|
colors[AWT_TEXT_TEXT] = CONVERT (fg, NORMAL);
|
|
colors[AWT_TEXT_HIGHLIGHT] = CONVERT (bg, SELECTED);
|
|
colors[AWT_TEXT_HIGHLIGHT_TEXT] = CONVERT (fg, SELECTED);
|
|
colors[AWT_TEXT_INACTIVE_TEXT] = CONVERT (bg, INSENSITIVE);
|
|
colors[AWT_CONTROL] = CONVERT (bg, NORMAL);
|
|
colors[AWT_CONTROL_TEXT] = CONVERT (fg, NORMAL);
|
|
colors[AWT_CONTROL_HIGHLIGHT] = CONVERT (base, ACTIVE);
|
|
colors[AWT_CONTROL_LT_HIGHLIGHT] = CONVERT (bg, PRELIGHT);
|
|
colors[AWT_CONTROL_SHADOW] = CONVERT (bg, ACTIVE);
|
|
colors[AWT_CONTROL_DK_SHADOW] = CONVERT (fg, INSENSITIVE);
|
|
colors[AWT_SCROLLBAR] = CONVERT (base, INSENSITIVE);
|
|
colors[AWT_INFO] = CONVERT (bg, NORMAL);
|
|
colors[AWT_INFO_TEXT] = CONVERT (fg, NORMAL);
|
|
|
|
(*env)->ReleaseIntArrayElements(env, jcolors, colors, 0);
|
|
|
|
#if 0
|
|
gdk_threads_leave ();
|
|
#endif
|
|
}
|
|
|
|
#undef CONVERT
|
|
|
|
static jint
|
|
gdk_color_to_java_color (GdkColor gdk_color)
|
|
{
|
|
guchar red;
|
|
guchar green;
|
|
guchar blue;
|
|
float factor;
|
|
|
|
factor = 255.0 / 65535.0;
|
|
|
|
red = (float) gdk_color.red * factor;
|
|
green = (float) gdk_color.green * factor;
|
|
blue = (float) gdk_color.blue * factor;
|
|
|
|
return (jint) (0xff000000 | (red << 16) | (green << 8) | blue);
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL
|
|
Java_gnu_java_awt_peer_gtk_GtkToolkit_getLockState
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
|
jint key)
|
|
{
|
|
gint coord;
|
|
GdkModifierType state, mask;
|
|
GdkWindow *root_window;
|
|
|
|
gdk_threads_enter ();
|
|
|
|
root_window = gdk_get_default_root_window ();
|
|
gdk_window_get_pointer (root_window, &coord, &coord, &state);
|
|
|
|
switch (key)
|
|
{
|
|
case VK_SHIFT:
|
|
mask = GDK_SHIFT_MASK;
|
|
break;
|
|
case VK_CONTROL:
|
|
mask = GDK_CONTROL_MASK;
|
|
break;
|
|
case VK_ALT:
|
|
/* This is dubious, since MOD1 could have been mapped to something
|
|
other than ALT. */
|
|
mask = GDK_MOD1_MASK;
|
|
break;
|
|
#if GTK_CHECK_VERSION(2, 10, 0)
|
|
case VK_META:
|
|
mask = GDK_META_MASK;
|
|
break;
|
|
#endif
|
|
case VK_CAPS_LOCK:
|
|
mask = GDK_LOCK_MASK;
|
|
break;
|
|
default:
|
|
mask = 0;
|
|
}
|
|
|
|
gdk_threads_leave ();
|
|
|
|
if (mask == 0)
|
|
return -1;
|
|
|
|
return state & mask ? 1 : 0;
|
|
}
|
|
|
|
static gboolean
|
|
post_set_running_flag (gpointer data __attribute__((unused)))
|
|
{
|
|
g_idle_add (set_running_flag, NULL);
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
set_running_flag (gpointer data __attribute__((unused)))
|
|
{
|
|
(*cp_gtk_gdk_env ())->CallStaticVoidMethod (cp_gtk_gdk_env (),
|
|
gtktoolkit,
|
|
setRunningID, TRUE);
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
clear_running_flag (gpointer data __attribute__((unused)))
|
|
{
|
|
(*cp_gtk_gdk_env ())->CallStaticVoidMethod (cp_gtk_gdk_env (),
|
|
gtktoolkit,
|
|
setRunningID, FALSE);
|
|
return FALSE;
|
|
}
|
|
|