diff options
Diffstat (limited to 'libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkToolkit.c')
| -rw-r--r-- | libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkToolkit.c | 626 |
1 files changed, 626 insertions, 0 deletions
diff --git a/libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkToolkit.c b/libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkToolkit.c new file mode 100644 index 000000000..b2097970c --- /dev/null +++ b/libjava/classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkToolkit.c @@ -0,0 +1,626 @@ + +/* gtktoolkit.c -- Native portion of GtkToolkit + Copyright (C) 1998, 1999, 2005, 2007 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 "jcl.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 + +#define VK_SHIFT 16 +#define VK_CONTROL 17 +#define VK_ALT 18 +#define VK_CAPS_LOCK 20 +#define VK_META 157 + +static jclass gtkgenericpeer; +static jclass gtktoolkit; +static JavaVM *java_vm; +static jmethodID printCurrentThreadID; +static jmethodID setRunningID; + +/** + * The global AWT lock object. + */ +static jobject global_lock; + +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 jni_lock_cb(); +static void jni_unlock_cb(); +static void init_glib_threads(JNIEnv*, jint, jobject); +static gboolean post_set_running_flag (gpointer); +static gboolean set_running_flag (gpointer); +static gboolean clear_running_flag (gpointer); +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 + +JNIEXPORT void JNICALL +Java_gnu_java_awt_peer_gtk_GtkToolkit_initIDs +(JNIEnv *env, jclass cls __attribute__((unused))) +{ + gtkpeer_init_pointer_IDs(env); +} + +/* + * 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, + jobject lock) +{ + 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"); + + 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, lock); + + /* 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 ()); + + 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 (env); + 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 (); + + gtktoolkit = (*env)->FindClass(env, "gnu/java/awt/peer/gtk/GtkMainThread"); + setRunningID = (*env)->GetStaticMethodID (env, gtktoolkit, + "setRunning", "(Z)V"); +} + +/** + * A callback function that implements gdk_threads_enter(). This is + * implemented to wrap the JNI MonitorEnter() function. + */ +static void jni_lock_cb() +{ + JNIEnv * env = cp_gtk_gdk_env(); + if ((*env)->MonitorEnter(env, global_lock) != JNI_OK) + { + printf("failure while entering GTK monitor\n"); + } +} + +/** + * A callback function that implements gdk_threads_leave(). This is + * implemented to wrap the JNI MonitorExit() function. + */ +static void jni_unlock_cb() +{ + + JNIEnv * env = cp_gtk_gdk_env(); + if ((*env)->MonitorExit(env, global_lock)) + { + printf("failure while exiting GTK monitor\n"); + } +} + +/** 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, jobject lock) +{ + if (portableNativeSync < 0) + { +#ifdef PORTABLE_NATIVE_SYNC /* Default value, if not set by the Java system + property */ + portableNativeSync = 1; +#else + portableNativeSync = 0; +#endif + } + + if (!g_thread_supported ()) + { + if (portableNativeSync) + { + global_lock = (*env)->NewGlobalRef(env, lock); + gdk_threads_set_lock_functions(&jni_lock_cb, &jni_unlock_cb); + } + 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_init_add (post_set_running_flag, NULL); + gtk_quit_add (gtk_main_level (), clear_running_flag, NULL); + + gtk_main (); + + gdk_threads_leave(); +} + +JNIEXPORT void JNICALL +Java_gnu_java_awt_peer_gtk_GtkToolkit_gtkQuit +(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused))) +{ + gdk_threads_enter (); + + gtk_main_quit (); + + 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); +} + +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; +} + |