| /* gtktoolkit.c -- Native portion of GtkToolkit |
| Copyright (C) 1998, 1999, 2005 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_GtkToolkit.h" |
| #include "gthread-jni.h" |
| #include "jcl.h" |
| #include <gdk/gdkx.h> |
| |
| #define RC_FILE ".classpath-gtkrc" |
| |
| /* From java.awt.SystemColor */ |
| #define AWT_DESKTOP 0 |
| #define AWT_ACTIVE_CAPTION 1 |
| #define AWT_ACTIVE_CAPTION_TEXT 2 |
| #define AWT_ACTIVE_CAPTION_BORDER 3 |
| #define AWT_INACTIVE_CAPTION 4 |
| #define AWT_INACTIVE_CAPTION_TEXT 5 |
| #define AWT_INACTIVE_CAPTION_BORDER 6 |
| #define AWT_WINDOW 7 |
| #define AWT_WINDOW_BORDER 8 |
| #define AWT_WINDOW_TEXT 9 |
| #define AWT_MENU 10 |
| #define AWT_MENU_TEXT 11 |
| #define AWT_TEXT 12 |
| #define AWT_TEXT_TEXT 13 |
| #define AWT_TEXT_HIGHLIGHT 14 |
| #define AWT_TEXT_HIGHLIGHT_TEXT 15 |
| #define AWT_TEXT_INACTIVE_TEXT 16 |
| #define AWT_CONTROL 17 |
| #define AWT_CONTROL_TEXT 18 |
| #define AWT_CONTROL_HIGHLIGHT 19 |
| #define AWT_CONTROL_LT_HIGHLIGHT 20 |
| #define AWT_CONTROL_SHADOW 21 |
| #define AWT_CONTROL_DK_SHADOW 22 |
| #define AWT_SCROLLBAR 23 |
| #define AWT_INFO 24 |
| #define AWT_INFO_TEXT 25 |
| #define AWT_NUM_COLORS 26 |
| |
| struct state_table *cp_gtk_native_state_table; |
| struct state_table *cp_gtk_native_global_ref_table; |
| |
| static jclass gtkgenericpeer; |
| static JavaVM *java_vm; |
| static jmethodID printCurrentThreadID; |
| |
| union env_union |
| { |
| void *void_env; |
| JNIEnv *jni_env; |
| }; |
| |
| JNIEnv * |
| cp_gtk_gdk_env() |
| { |
| union env_union tmp; |
| g_assert((*java_vm)->GetEnv(java_vm, &tmp.void_env, JNI_VERSION_1_2) == JNI_OK); |
| return tmp.jni_env; |
| } |
| |
| |
| GtkWindowGroup *cp_gtk_global_window_group; |
| double cp_gtk_dpi_conversion_factor; |
| |
| static void init_glib_threads(JNIEnv *, jint); |
| |
| static void init_dpi_conversion_factor (void); |
| static void dpi_changed_cb (GtkSettings *settings, |
| GParamSpec *pspec); |
| |
| #if GTK_MINOR_VERSION > 4 |
| static GLogFunc old_glog_func; |
| static void glog_func (const gchar *log_domain, |
| GLogLevelFlags log_level, |
| const gchar *message, |
| gpointer user_data); |
| #endif |
| |
| /* |
| * Call gtk_init. It is very important that this happen before any other |
| * gtk calls. |
| * |
| * The portableNativeSync argument may have the values: |
| * 1 if the Java property gnu.classpath.awt.gtk.portable.native.sync |
| * is set to "true". |
| * 0 if it is set to "false" |
| * -1 if unset. |
| */ |
| |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkToolkit_gtkInit (JNIEnv *env, |
| jclass clazz __attribute__((unused)), |
| jint portableNativeSync) |
| { |
| int argc = 1; |
| char **argv; |
| char *homedir, *rcpath = NULL; |
| |
| gtkgenericpeer = (*env)->FindClass(env, "gnu/java/awt/peer/gtk/GtkGenericPeer"); |
| |
| gtkgenericpeer = (*env)->NewGlobalRef(env, gtkgenericpeer); |
| |
| printCurrentThreadID = (*env)->GetStaticMethodID (env, gtkgenericpeer, |
| "printCurrentThread", "()V"); |
| |
| NSA_INIT (env, gtkgenericpeer); |
| |
| g_assert((*env)->GetJavaVM(env, &java_vm) == 0); |
| |
| /* GTK requires a program's argc and argv variables, and requires that they |
| be valid. Set it up. */ |
| argv = (char **) g_malloc (sizeof (char *) * 2); |
| argv[0] = (char *) g_malloc(1); |
| argv[0][0] = '\0'; |
| argv[1] = NULL; |
| |
| init_glib_threads(env, portableNativeSync); |
| |
| /* From GDK 2.0 onwards we have to explicitly call gdk_threads_init */ |
| gdk_threads_init(); |
| |
| gtk_init (&argc, &argv); |
| |
| #if SYNCHRONIZE_GDK |
| XSynchronize (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), True); |
| #endif |
| |
| gtk_widget_set_default_colormap (gdk_rgb_get_colormap ()); |
| |
| /* Make sure queued calls don't get sent to GTK/GDK while |
| we're shutting down. */ |
| atexit (gdk_threads_enter); |
| |
| if ((homedir = getenv ("HOME"))) |
| { |
| rcpath = (char *) g_malloc (strlen (homedir) + strlen (RC_FILE) + 2); |
| sprintf (rcpath, "%s/%s", homedir, RC_FILE); |
| } |
| |
| gtk_rc_parse ((rcpath) ? rcpath : RC_FILE); |
| |
| g_free (rcpath); |
| g_free (argv[0]); |
| g_free (argv); |
| |
| /* On errors or warning print a whole stacktrace. */ |
| #if GTK_MINOR_VERSION > 4 |
| old_glog_func = g_log_set_default_handler (&glog_func, NULL); |
| #endif |
| |
| cp_gtk_button_init_jni (); |
| cp_gtk_checkbox_init_jni (); |
| cp_gtk_choice_init_jni (); |
| cp_gtk_component_init_jni (); |
| cp_gtk_filedialog_init_jni (); |
| cp_gtk_list_init_jni (); |
| cp_gtk_menuitem_init_jni (); |
| cp_gtk_scrollbar_init_jni (); |
| cp_gtk_textcomponent_init_jni (); |
| cp_gtk_window_init_jni (); |
| |
| cp_gtk_global_window_group = gtk_window_group_new (); |
| |
| init_dpi_conversion_factor (); |
| } |
| |
| |
| /** Initialize GLIB's threads properly, based on the value of the |
| gnu.classpath.awt.gtk.portable.native.sync Java system property. If |
| that's unset, use the PORTABLE_NATIVE_SYNC config.h macro. (TODO: |
| In some release following 0.10, that config.h macro will go away.) |
| */ |
| static void |
| init_glib_threads(JNIEnv *env, jint portableNativeSync) |
| { |
| if (portableNativeSync < 0) |
| { |
| #ifdef PORTABLE_NATIVE_SYNC /* Default value, if not set by the Java system |
| property */ |
| portableNativeSync = 1; |
| #else |
| portableNativeSync = 0; |
| #endif |
| } |
| |
| (*env)->GetJavaVM( env, &cp_gtk_the_vm ); |
| if (!g_thread_supported ()) |
| { |
| if (portableNativeSync) |
| g_thread_init ( &cp_gtk_portable_native_sync_jni_functions ); |
| else |
| g_thread_init ( NULL ); |
| } |
| else |
| { |
| /* Warn if portable native sync is desired but the threading |
| system is already initialized. In that case we can't |
| override the threading implementation with our portable |
| native sync functions. */ |
| if (portableNativeSync) |
| g_printerr ("peer warning: portable native sync disabled.\n"); |
| } |
| |
| /* Debugging progress message; uncomment if needed: */ |
| /* printf("called gthread init\n"); */ |
| } |
| |
| void |
| cp_gtk_print_current_thread (void) |
| { |
| (*cp_gtk_gdk_env())->CallStaticVoidMethod (cp_gtk_gdk_env(), gtkgenericpeer, printCurrentThreadID); |
| } |
| |
| /* This is a big hack, needed until this pango bug is resolved: |
| http://bugzilla.gnome.org/show_bug.cgi?id=119081. |
| See: http://mail.gnome.org/archives/gtk-i18n-list/2003-August/msg00001.html |
| for details. */ |
| static void |
| init_dpi_conversion_factor () |
| { |
| GtkSettings *settings = gtk_settings_get_default (); |
| GObjectClass *klass; |
| |
| klass = G_OBJECT_CLASS (GTK_SETTINGS_GET_CLASS (settings)); |
| if (g_object_class_find_property (klass, "gtk-xft-dpi")) |
| { |
| int int_dpi; |
| g_object_get (settings, "gtk-xft-dpi", &int_dpi, NULL); |
| /* If int_dpi == -1 gtk-xft-dpi returns the default value. So we |
| have to do approximate calculation here. */ |
| if (int_dpi < 0) |
| cp_gtk_dpi_conversion_factor = PANGO_SCALE * 72.0 / 96.; |
| else |
| cp_gtk_dpi_conversion_factor = |
| PANGO_SCALE * 72.0 / (int_dpi / PANGO_SCALE); |
| |
| g_signal_connect (settings, "notify::gtk-xft-dpi", |
| G_CALLBACK (dpi_changed_cb), NULL); |
| } |
| else |
| /* Approximate. */ |
| cp_gtk_dpi_conversion_factor = PANGO_SCALE * 72.0 / 96.; |
| } |
| |
| static void |
| dpi_changed_cb (GtkSettings *settings, |
| GParamSpec *pspec __attribute__((unused))) |
| { |
| int int_dpi; |
| g_object_get (settings, "gtk-xft-dpi", &int_dpi, NULL); |
| if (int_dpi < 0) |
| cp_gtk_dpi_conversion_factor = PANGO_SCALE * 72.0 / 96.; |
| else |
| cp_gtk_dpi_conversion_factor = |
| PANGO_SCALE * 72.0 / (int_dpi / PANGO_SCALE); |
| } |
| |
| #if GTK_MINOR_VERSION > 4 |
| static void |
| glog_func (const gchar *log_domain, |
| GLogLevelFlags log_level, |
| const gchar *message, |
| gpointer user_data) |
| { |
| old_glog_func (log_domain, log_level, message, user_data); |
| if (log_level & (G_LOG_LEVEL_ERROR |
| | G_LOG_LEVEL_CRITICAL |
| | G_LOG_LEVEL_WARNING)) |
| { |
| JNIEnv *env = cp_gtk_gdk_env (); |
| jthrowable *exc = (*env)->ExceptionOccurred(env); |
| gchar *detail = g_strconcat (log_domain, ": ", message, NULL); |
| JCL_ThrowException (env, "java/lang/InternalError", detail); |
| g_free (detail); |
| (*env)->ExceptionDescribe (env); |
| if (exc != NULL) |
| (*env)->Throw (env, exc); |
| else |
| (*env)->ExceptionClear (env); |
| } |
| } |
| #endif |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkToolkit_gtkMain |
| (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused))) |
| { |
| gdk_threads_enter (); |
| |
| gtk_main (); |
| |
| gdk_threads_leave (); |
| } |
| |
| |
| static jint gdk_color_to_java_color (GdkColor color); |
| |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkToolkit_beep |
| (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused))) |
| { |
| gdk_threads_enter (); |
| |
| gdk_beep (); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkToolkit_sync |
| (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused))) |
| { |
| gdk_threads_enter (); |
| |
| gdk_flush (); |
| |
| gdk_threads_leave (); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkToolkit_getScreenSizeDimensions |
| (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), |
| jintArray jdims) |
| { |
| jint *dims = (*env)->GetIntArrayElements (env, jdims, 0); |
| |
| gdk_threads_enter (); |
| |
| dims[0] = gdk_screen_width (); |
| dims[1] = gdk_screen_height (); |
| |
| gdk_threads_leave (); |
| |
| (*env)->ReleaseIntArrayElements(env, jdims, dims, 0); |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkToolkit_getScreenResolution |
| (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused))) |
| { |
| jint res; |
| |
| gdk_threads_enter (); |
| |
| res = gdk_screen_width () / (gdk_screen_width_mm () / 25.4); |
| |
| gdk_threads_leave (); |
| |
| return res; |
| } |
| |
| /** |
| * Report the number of mouse buttons |
| * Returns the number of buttons of the first mouse found, or -1 if no mouse |
| * seems to be connected. |
| */ |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkToolkit_getMouseNumberOfButtons |
| (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused))) |
| { |
| jint res = -1; |
| GList *devices; |
| GdkDevice *d; |
| |
| gdk_threads_enter (); |
| |
| /* FIXME: Why doesn't this return the correct number? */ |
| devices = gdk_devices_list(); |
| |
| while( res == -1 && devices != NULL ) |
| { |
| d = GDK_DEVICE( devices->data ); |
| if( d->source == GDK_SOURCE_MOUSE ) |
| res = d->num_keys; |
| devices = devices->next; |
| } |
| |
| gdk_threads_leave (); |
| |
| return res; |
| } |
| |
| #define CONVERT(type, state) \ |
| gdk_color_to_java_color (style->type[GTK_STATE_ ## state]) |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_awt_peer_gtk_GtkToolkit_loadSystemColors |
| (JNIEnv *env, jobject obj __attribute__((unused)), |
| jintArray jcolors) |
| { |
| jint *colors; |
| GtkStyle *style; |
| |
| /* FIXME: this was deadlocking so assume it is thread-safe for now; |
| we need to replace this call with a .properties file anyway. */ |
| #if 0 |
| gdk_threads_enter (); |
| #endif |
| |
| colors = (*env)->GetIntArrayElements (env, jcolors, 0); |
| |
| style = gtk_widget_get_default_style (); |
| |
| colors[AWT_DESKTOP] = CONVERT (bg, SELECTED); |
| colors[AWT_ACTIVE_CAPTION] = CONVERT (bg, SELECTED); |
| colors[AWT_ACTIVE_CAPTION_TEXT] = CONVERT (text, SELECTED); |
| colors[AWT_ACTIVE_CAPTION_BORDER] = CONVERT (fg, NORMAL); |
| colors[AWT_INACTIVE_CAPTION] = CONVERT (base, INSENSITIVE); |
| colors[AWT_INACTIVE_CAPTION_TEXT] = CONVERT (fg, INSENSITIVE); |
| colors[AWT_INACTIVE_CAPTION_BORDER] = CONVERT (fg, INSENSITIVE); |
| 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); |
| } |