1 /*
   2  * Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 #include <dlfcn.h>
  26 #include <setjmp.h>
  27 #include <X11/Xlib.h>
  28 #include <limits.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31 #include "gtk2_interface.h"
  32 #include "java_awt_Transparency.h"
  33 #include "jvm_md.h"
  34 #include "sizecalc.h"
  35 #include <jni_util.h>
  36 #include "awt.h"
  37 
  38 #define GTK2_LIB_VERSIONED VERSIONED_JNI_LIB_NAME("gtk-x11-2.0", "0")
  39 #define GTK2_LIB JNI_LIB_NAME("gtk-x11-2.0")
  40 #define GTHREAD_LIB_VERSIONED VERSIONED_JNI_LIB_NAME("gthread-2.0", "0")
  41 #define GTHREAD_LIB JNI_LIB_NAME("gthread-2.0")
  42 
  43 #define G_TYPE_INVALID                  G_TYPE_MAKE_FUNDAMENTAL (0)
  44 #define G_TYPE_NONE                     G_TYPE_MAKE_FUNDAMENTAL (1)
  45 #define G_TYPE_INTERFACE                G_TYPE_MAKE_FUNDAMENTAL (2)
  46 #define G_TYPE_CHAR                     G_TYPE_MAKE_FUNDAMENTAL (3)
  47 #define G_TYPE_UCHAR                    G_TYPE_MAKE_FUNDAMENTAL (4)
  48 #define G_TYPE_BOOLEAN                  G_TYPE_MAKE_FUNDAMENTAL (5)
  49 #define G_TYPE_INT                      G_TYPE_MAKE_FUNDAMENTAL (6)
  50 #define G_TYPE_UINT                     G_TYPE_MAKE_FUNDAMENTAL (7)
  51 #define G_TYPE_LONG                     G_TYPE_MAKE_FUNDAMENTAL (8)
  52 #define G_TYPE_ULONG                    G_TYPE_MAKE_FUNDAMENTAL (9)
  53 #define G_TYPE_INT64                    G_TYPE_MAKE_FUNDAMENTAL (10)
  54 #define G_TYPE_UINT64                   G_TYPE_MAKE_FUNDAMENTAL (11)
  55 #define G_TYPE_ENUM                     G_TYPE_MAKE_FUNDAMENTAL (12)
  56 #define G_TYPE_FLAGS                    G_TYPE_MAKE_FUNDAMENTAL (13)
  57 #define G_TYPE_FLOAT                    G_TYPE_MAKE_FUNDAMENTAL (14)
  58 #define G_TYPE_DOUBLE                   G_TYPE_MAKE_FUNDAMENTAL (15)
  59 #define G_TYPE_STRING                   G_TYPE_MAKE_FUNDAMENTAL (16)
  60 #define G_TYPE_POINTER                  G_TYPE_MAKE_FUNDAMENTAL (17)
  61 #define G_TYPE_BOXED                    G_TYPE_MAKE_FUNDAMENTAL (18)
  62 #define G_TYPE_PARAM                    G_TYPE_MAKE_FUNDAMENTAL (19)
  63 #define G_TYPE_OBJECT                   G_TYPE_MAKE_FUNDAMENTAL (20)
  64 
  65 #define GTK_TYPE_BORDER                 ((*fp_gtk_border_get_type)())
  66 
  67 #define G_TYPE_FUNDAMENTAL_SHIFT        (2)
  68 #define G_TYPE_MAKE_FUNDAMENTAL(x)      ((GType) ((x) << G_TYPE_FUNDAMENTAL_SHIFT))
  69 #define MIN(a, b)  (((a) < (b)) ? (a) : (b))
  70 
  71 #define CONV_BUFFER_SIZE 128
  72 
  73 #define NO_SYMBOL_EXCEPTION 1
  74 
  75 /* SynthConstants */
  76 const gint ENABLED    = 1 << 0;
  77 const gint MOUSE_OVER = 1 << 1;
  78 const gint PRESSED    = 1 << 2;
  79 const gint DISABLED   = 1 << 3;
  80 const gint FOCUSED    = 1 << 8;
  81 const gint SELECTED   = 1 << 9;
  82 const gint DEFAULT    = 1 << 10;
  83 
  84 static void *gtk2_libhandle = NULL;
  85 static void *gthread_libhandle = NULL;
  86 
  87 static jmp_buf j;
  88 
  89 /* Widgets */
  90 static GtkWidget *gtk2_widget = NULL;
  91 static GtkWidget *gtk2_window = NULL;
  92 static GtkFixed  *gtk2_fixed  = NULL;
  93 
  94 /* Paint system */
  95 static GdkPixmap *gtk2_white_pixmap = NULL;
  96 static GdkPixmap *gtk2_black_pixmap = NULL;
  97 static GdkPixbuf *gtk2_white_pixbuf = NULL;
  98 static GdkPixbuf *gtk2_black_pixbuf = NULL;
  99 static int gtk2_pixbuf_width = 0;
 100 static int gtk2_pixbuf_height = 0;
 101 
 102 /* Static buffer for conversion from java.lang.String to UTF-8 */
 103 static char convertionBuffer[CONV_BUFFER_SIZE];
 104 
 105 static gboolean new_combo = TRUE;
 106 const char ENV_PREFIX[] = "GTK_MODULES=";
 107 
 108 /*******************/
 109 enum GtkWidgetType
 110 {
 111     _GTK_ARROW_TYPE,
 112     _GTK_BUTTON_TYPE,
 113     _GTK_CHECK_BUTTON_TYPE,
 114     _GTK_CHECK_MENU_ITEM_TYPE,
 115     _GTK_COLOR_SELECTION_DIALOG_TYPE,
 116     _GTK_COMBO_BOX_TYPE,
 117     _GTK_COMBO_BOX_ARROW_BUTTON_TYPE,
 118     _GTK_COMBO_BOX_TEXT_FIELD_TYPE,
 119     _GTK_CONTAINER_TYPE,
 120     _GTK_ENTRY_TYPE,
 121     _GTK_FRAME_TYPE,
 122     _GTK_HANDLE_BOX_TYPE,
 123     _GTK_HPANED_TYPE,
 124     _GTK_HPROGRESS_BAR_TYPE,
 125     _GTK_HSCALE_TYPE,
 126     _GTK_HSCROLLBAR_TYPE,
 127     _GTK_HSEPARATOR_TYPE,
 128     _GTK_IMAGE_TYPE,
 129     _GTK_MENU_TYPE,
 130     _GTK_MENU_BAR_TYPE,
 131     _GTK_MENU_ITEM_TYPE,
 132     _GTK_NOTEBOOK_TYPE,
 133     _GTK_LABEL_TYPE,
 134     _GTK_RADIO_BUTTON_TYPE,
 135     _GTK_RADIO_MENU_ITEM_TYPE,
 136     _GTK_SCROLLED_WINDOW_TYPE,
 137     _GTK_SEPARATOR_MENU_ITEM_TYPE,
 138     _GTK_SEPARATOR_TOOL_ITEM_TYPE,
 139     _GTK_SPIN_BUTTON_TYPE,
 140     _GTK_TEXT_VIEW_TYPE,
 141     _GTK_TOGGLE_BUTTON_TYPE,
 142     _GTK_TOOLBAR_TYPE,
 143     _GTK_TOOLTIP_TYPE,
 144     _GTK_TREE_VIEW_TYPE,
 145     _GTK_VIEWPORT_TYPE,
 146     _GTK_VPANED_TYPE,
 147     _GTK_VPROGRESS_BAR_TYPE,
 148     _GTK_VSCALE_TYPE,
 149     _GTK_VSCROLLBAR_TYPE,
 150     _GTK_VSEPARATOR_TYPE,
 151     _GTK_WINDOW_TYPE,
 152     _GTK_DIALOG_TYPE,
 153     _GTK_WIDGET_TYPE_SIZE
 154 };
 155 
 156 
 157 static GtkWidget *gtk2_widgets[_GTK_WIDGET_TYPE_SIZE];
 158 
 159 /*************************
 160  * Glib function pointers
 161  *************************/
 162 
 163 static gboolean (*fp_g_main_context_iteration)(GMainContext *context,
 164                                              gboolean may_block);
 165 
 166 static GValue*      (*fp_g_value_init)(GValue *value, GType g_type);
 167 static gboolean     (*fp_g_type_is_a)(GType type, GType is_a_type);
 168 static gboolean     (*fp_g_value_get_boolean)(const GValue *value);
 169 static gchar        (*fp_g_value_get_char)(const GValue *value);
 170 static guchar       (*fp_g_value_get_uchar)(const GValue *value);
 171 static gint         (*fp_g_value_get_int)(const GValue *value);
 172 static guint        (*fp_g_value_get_uint)(const GValue *value);
 173 static glong        (*fp_g_value_get_long)(const GValue *value);
 174 static gulong       (*fp_g_value_get_ulong)(const GValue *value);
 175 static gint64       (*fp_g_value_get_int64)(const GValue *value);
 176 static guint64      (*fp_g_value_get_uint64)(const GValue *value);
 177 static gfloat       (*fp_g_value_get_float)(const GValue *value);
 178 static gdouble      (*fp_g_value_get_double)(const GValue *value);
 179 static const gchar* (*fp_g_value_get_string)(const GValue *value);
 180 static gint         (*fp_g_value_get_enum)(const GValue *value);
 181 static guint        (*fp_g_value_get_flags)(const GValue *value);
 182 static GParamSpec*  (*fp_g_value_get_param)(const GValue *value);
 183 static gpointer*    (*fp_g_value_get_boxed)(const GValue *value);
 184 static gpointer*    (*fp_g_value_get_pointer)(const GValue *value);
 185 static GObject*     (*fp_g_value_get_object)(const GValue *value);
 186 static GParamSpec*  (*fp_g_param_spec_int)(const gchar *name,
 187         const gchar *nick, const gchar *blurb,
 188         gint minimum, gint maximum, gint default_value,
 189         GParamFlags flags);
 190 static void         (*fp_g_object_get)(gpointer object,
 191                                        const gchar* fpn, ...);
 192 static void         (*fp_g_object_set)(gpointer object,
 193                                        const gchar *first_property_name,
 194                                        ...);
 195 /************************
 196  * GDK function pointers
 197  ************************/
 198 static GdkPixmap *(*fp_gdk_pixmap_new)(GdkDrawable *drawable,
 199         gint width, gint height, gint depth);
 200 static GdkGC *(*fp_gdk_gc_new)(GdkDrawable*);
 201 static void (*fp_gdk_rgb_gc_set_foreground)(GdkGC*, guint32);
 202 static void (*fp_gdk_draw_rectangle)(GdkDrawable*, GdkGC*, gboolean,
 203         gint, gint, gint, gint);
 204 static GdkPixbuf *(*fp_gdk_pixbuf_new)(GdkColorspace colorspace,
 205         gboolean has_alpha, int bits_per_sample, int width, int height);
 206 static GdkPixbuf *(*fp_gdk_pixbuf_get_from_drawable)(GdkPixbuf *dest,
 207         GdkDrawable *src, GdkColormap *cmap, int src_x, int src_y,
 208         int dest_x, int dest_y, int width, int height);
 209 static void (*fp_gdk_drawable_get_size)(GdkDrawable *drawable,
 210         gint* width, gint* height);
 211 
 212 /************************
 213  * Gtk function pointers
 214  ************************/
 215 static gboolean (*fp_gtk_init_check)(int* argc, char** argv);
 216 
 217 /* Painting */
 218 static void (*fp_gtk_paint_hline)(GtkStyle* style, GdkWindow* window,
 219         GtkStateType state_type, GdkRectangle* area, GtkWidget* widget,
 220         const gchar* detail, gint x1, gint x2, gint y);
 221 static void (*fp_gtk_paint_vline)(GtkStyle* style, GdkWindow* window,
 222         GtkStateType state_type, GdkRectangle* area, GtkWidget* widget,
 223         const gchar* detail, gint y1, gint y2, gint x);
 224 static void (*fp_gtk_paint_shadow)(GtkStyle* style, GdkWindow* window,
 225         GtkStateType state_type, GtkShadowType shadow_type,
 226         GdkRectangle* area, GtkWidget* widget, const gchar* detail,
 227         gint x, gint y, gint width, gint height);
 228 static void (*fp_gtk_paint_arrow)(GtkStyle* style, GdkWindow* window,
 229         GtkStateType state_type, GtkShadowType shadow_type,
 230         GdkRectangle* area, GtkWidget* widget, const gchar* detail,
 231         GtkArrowType arrow_type, gboolean fill, gint x, gint y,
 232         gint width, gint height);
 233 static void (*fp_gtk_paint_diamond)(GtkStyle* style, GdkWindow* window,
 234         GtkStateType state_type, GtkShadowType shadow_type,
 235         GdkRectangle* area, GtkWidget* widget, const gchar* detail,
 236         gint x, gint y, gint width, gint height);
 237 static void (*fp_gtk_paint_box)(GtkStyle* style, GdkWindow* window,
 238         GtkStateType state_type, GtkShadowType shadow_type,
 239         GdkRectangle* area, GtkWidget* widget, const gchar* detail,
 240         gint x, gint y, gint width, gint height);
 241 static void (*fp_gtk_paint_flat_box)(GtkStyle* style, GdkWindow* window,
 242         GtkStateType state_type, GtkShadowType shadow_type,
 243         GdkRectangle* area, GtkWidget* widget, const gchar* detail,
 244         gint x, gint y, gint width, gint height);
 245 static void (*fp_gtk_paint_check)(GtkStyle* style, GdkWindow* window,
 246         GtkStateType state_type, GtkShadowType shadow_type,
 247         GdkRectangle* area, GtkWidget* widget, const gchar* detail,
 248         gint x, gint y, gint width, gint height);
 249 static void (*fp_gtk_paint_option)(GtkStyle* style, GdkWindow* window,
 250         GtkStateType state_type, GtkShadowType shadow_type,
 251         GdkRectangle* area, GtkWidget* widget, const gchar* detail,
 252         gint x, gint y, gint width, gint height);
 253 static void (*fp_gtk_paint_box_gap)(GtkStyle* style, GdkWindow* window,
 254         GtkStateType state_type, GtkShadowType shadow_type,
 255         GdkRectangle* area, GtkWidget* widget, const gchar* detail,
 256         gint x, gint y, gint width, gint height,
 257         GtkPositionType gap_side, gint gap_x, gint gap_width);
 258 static void (*fp_gtk_paint_extension)(GtkStyle* style, GdkWindow* window,
 259         GtkStateType state_type, GtkShadowType shadow_type,
 260         GdkRectangle* area, GtkWidget* widget, const gchar* detail,
 261         gint x, gint y, gint width, gint height, GtkPositionType gap_side);
 262 static void (*fp_gtk_paint_focus)(GtkStyle* style, GdkWindow* window,
 263         GtkStateType state_type, GdkRectangle* area, GtkWidget* widget,
 264         const gchar* detail, gint x, gint y, gint width, gint height);
 265 static void (*fp_gtk_paint_slider)(GtkStyle* style, GdkWindow* window,
 266         GtkStateType state_type, GtkShadowType shadow_type,
 267         GdkRectangle* area, GtkWidget* widget, const gchar* detail,
 268         gint x, gint y, gint width, gint height, GtkOrientation orientation);
 269 static void (*fp_gtk_paint_handle)(GtkStyle* style, GdkWindow* window,
 270         GtkStateType state_type, GtkShadowType shadow_type,
 271         GdkRectangle* area, GtkWidget* widget, const gchar* detail,
 272         gint x, gint y, gint width, gint height, GtkOrientation orientation);
 273 static void (*fp_gtk_paint_expander)(GtkStyle* style, GdkWindow* window,
 274         GtkStateType state_type, GdkRectangle* area, GtkWidget* widget,
 275         const gchar* detail, gint x, gint y, GtkExpanderStyle expander_style);
 276 static void (*fp_gtk_style_apply_default_background)(GtkStyle* style,
 277         GdkWindow* window, gboolean set_bg, GtkStateType state_type,
 278         GdkRectangle* area, gint x, gint y, gint width, gint height);
 279 
 280 /* Widget creation */
 281 static GtkWidget* (*fp_gtk_arrow_new)(GtkArrowType arrow_type,
 282                                       GtkShadowType shadow_type);
 283 static GtkWidget* (*fp_gtk_button_new)();
 284 static GtkWidget* (*fp_gtk_check_button_new)();
 285 static GtkWidget* (*fp_gtk_check_menu_item_new)();
 286 static GtkWidget* (*fp_gtk_color_selection_dialog_new)(const gchar* title);
 287 static GtkWidget* (*fp_gtk_combo_box_new)();
 288 static GtkWidget* (*fp_gtk_combo_box_entry_new)();
 289 static GtkWidget* (*fp_gtk_entry_new)();
 290 static GtkWidget* (*fp_gtk_fixed_new)();
 291 static GtkWidget* (*fp_gtk_handle_box_new)();
 292 static GtkWidget* (*fp_gtk_hpaned_new)();
 293 static GtkWidget* (*fp_gtk_vpaned_new)();
 294 static GtkWidget* (*fp_gtk_hscale_new)(GtkAdjustment* adjustment);
 295 static GtkWidget* (*fp_gtk_vscale_new)(GtkAdjustment* adjustment);
 296 static GtkWidget* (*fp_gtk_hscrollbar_new)(GtkAdjustment* adjustment);
 297 static GtkWidget* (*fp_gtk_vscrollbar_new)(GtkAdjustment* adjustment);
 298 static GtkWidget* (*fp_gtk_hseparator_new)();
 299 static GtkWidget* (*fp_gtk_vseparator_new)();
 300 static GtkWidget* (*fp_gtk_image_new)();
 301 static GtkWidget* (*fp_gtk_label_new)(const gchar* str);
 302 static GtkWidget* (*fp_gtk_menu_new)();
 303 static GtkWidget* (*fp_gtk_menu_bar_new)();
 304 static GtkWidget* (*fp_gtk_menu_item_new)();
 305 static GtkWidget* (*fp_gtk_notebook_new)();
 306 static GtkWidget* (*fp_gtk_progress_bar_new)();
 307 static GtkWidget* (*fp_gtk_progress_bar_set_orientation)(
 308         GtkProgressBar *pbar,
 309         GtkProgressBarOrientation orientation);
 310 static GtkWidget* (*fp_gtk_radio_button_new)(GSList *group);
 311 static GtkWidget* (*fp_gtk_radio_menu_item_new)(GSList *group);
 312 static GtkWidget* (*fp_gtk_scrolled_window_new)(GtkAdjustment *hadjustment,
 313         GtkAdjustment *vadjustment);
 314 static GtkWidget* (*fp_gtk_separator_menu_item_new)();
 315 static GtkWidget* (*fp_gtk_separator_tool_item_new)();
 316 static GtkWidget* (*fp_gtk_text_view_new)();
 317 static GtkWidget* (*fp_gtk_toggle_button_new)();
 318 static GtkWidget* (*fp_gtk_toolbar_new)();
 319 static GtkWidget* (*fp_gtk_tree_view_new)();
 320 static GtkWidget* (*fp_gtk_viewport_new)(GtkAdjustment *hadjustment,
 321         GtkAdjustment *vadjustment);
 322 static GtkWidget* (*fp_gtk_window_new)(GtkWindowType type);
 323 static GtkWidget* (*fp_gtk_dialog_new)();
 324 static GtkWidget* (*fp_gtk_spin_button_new)(GtkAdjustment *adjustment,
 325         gdouble climb_rate, guint digits);
 326 static GtkWidget* (*fp_gtk_frame_new)(const gchar *label);
 327 
 328 /* Other widget operations */
 329 static GtkObject* (*fp_gtk_adjustment_new)(gdouble value,
 330         gdouble lower, gdouble upper, gdouble step_increment,
 331         gdouble page_increment, gdouble page_size);
 332 static void (*fp_gtk_container_add)(GtkContainer *window, GtkWidget *widget);
 333 static void (*fp_gtk_menu_shell_append)(GtkMenuShell *menu_shell,
 334         GtkWidget *child);
 335 static void (*fp_gtk_menu_item_set_submenu)(GtkMenuItem *menu_item,
 336         GtkWidget *submenu);
 337 static void (*fp_gtk_widget_realize)(GtkWidget *widget);
 338 static GdkPixbuf* (*fp_gtk_widget_render_icon)(GtkWidget *widget,
 339         const gchar *stock_id, GtkIconSize size, const gchar *detail);
 340 static void (*fp_gtk_widget_set_name)(GtkWidget *widget, const gchar *name);
 341 static void (*fp_gtk_widget_set_parent)(GtkWidget *widget, GtkWidget *parent);
 342 static void (*fp_gtk_widget_set_direction)(GtkWidget *widget,
 343         GtkTextDirection direction);
 344 static void (*fp_gtk_widget_style_get)(GtkWidget *widget,
 345         const gchar *first_property_name, ...);
 346 static void (*fp_gtk_widget_class_install_style_property)(
 347         GtkWidgetClass* class, GParamSpec *pspec);
 348 static GParamSpec* (*fp_gtk_widget_class_find_style_property)(
 349         GtkWidgetClass* class, const gchar* property_name);
 350 static void (*fp_gtk_widget_style_get_property)(GtkWidget* widget,
 351         const gchar* property_name, GValue* value);
 352 static char* (*fp_pango_font_description_to_string)(
 353         const PangoFontDescription* fd);
 354 static GtkSettings* (*fp_gtk_settings_get_default)();
 355 static GtkSettings* (*fp_gtk_widget_get_settings)(GtkWidget *widget);
 356 static GType        (*fp_gtk_border_get_type)();
 357 static void (*fp_gtk_arrow_set)(GtkWidget* arrow,
 358                                 GtkArrowType arrow_type,
 359                                 GtkShadowType shadow_type);
 360 static void (*fp_gtk_widget_size_request)(GtkWidget *widget,
 361                                           GtkRequisition *requisition);
 362 static GtkAdjustment* (*fp_gtk_range_get_adjustment)(GtkRange* range);
 363 
 364 /* Method bodies */
 365 const char *getStrFor(JNIEnv *env, jstring val)
 366 {
 367     int length = (*env)->GetStringLength(env, val);
 368     if (length > CONV_BUFFER_SIZE-1)
 369     {
 370         length = CONV_BUFFER_SIZE-1;
 371 #ifdef INTERNAL_BUILD
 372         fprintf(stderr, "Note: Detail is too long: %d chars\n", length);
 373 #endif /* INTERNAL_BUILD */
 374     }
 375 
 376     (*env)->GetStringUTFRegion(env, val, 0, length, convertionBuffer);
 377     return convertionBuffer;
 378 }
 379 
 380 static void throw_exception(JNIEnv *env, const char* name, const char* message)
 381 {
 382     jclass class = (*env)->FindClass(env, name);
 383 
 384     if (class != NULL)
 385         (*env)->ThrowNew(env, class, message);
 386 
 387     (*env)->DeleteLocalRef(env, class);
 388 }
 389 
 390 /* This is a workaround for the bug:
 391  * http://sourceware.org/bugzilla/show_bug.cgi?id=1814
 392  * (dlsym/dlopen clears dlerror state)
 393  * This bug is specific to Linux, but there is no harm in
 394  * applying this workaround on Solaris as well.
 395  */
 396 static void* dl_symbol(const char* name)
 397 {
 398     void* result = dlsym(gtk2_libhandle, name);
 399     if (!result)
 400         longjmp(j, NO_SYMBOL_EXCEPTION);
 401 
 402     return result;
 403 }
 404 
 405 static void* dl_symbol_gthread(const char* name)
 406 {
 407     void* result = dlsym(gthread_libhandle, name);
 408     if (!result)
 409         longjmp(j, NO_SYMBOL_EXCEPTION);
 410 
 411     return result;
 412 }
 413 
 414 gboolean gtk2_check_version()
 415 {
 416     if (gtk2_libhandle != NULL) {
 417         /* We've already successfully opened the GTK libs, so return true. */
 418         return TRUE;
 419     } else {
 420         void *lib = NULL;
 421         gboolean result = FALSE;
 422 
 423         lib = dlopen(GTK2_LIB_VERSIONED, RTLD_LAZY | RTLD_LOCAL);
 424         if (lib == NULL) {
 425             lib = dlopen(GTK2_LIB, RTLD_LAZY | RTLD_LOCAL);
 426             if (lib == NULL) {
 427                 return FALSE;
 428             }
 429         }
 430 
 431         fp_gtk_check_version = dlsym(lib, "gtk_check_version");
 432         /* Check for GTK 2.2+ */
 433         if (!fp_gtk_check_version(2, 2, 0)) {
 434             result = TRUE;
 435         }
 436 
 437         // 8048289: workaround for https://bugzilla.gnome.org/show_bug.cgi?id=733065
 438         // dlclose(lib);
 439 
 440         return result;
 441     }
 442 }
 443 
 444 #define ADD_SUPPORTED_ACTION(actionStr) \
 445 do { \
 446     jfieldID fld_action = (*env)->GetStaticFieldID(env, cls_action, actionStr, "Ljava/awt/Desktop$Action;"); \
 447     if (!(*env)->ExceptionCheck(env)) { \
 448         jobject action = (*env)->GetStaticObjectField(env, cls_action, fld_action); \
 449         (*env)->CallBooleanMethod(env, supportedActions, mid_arrayListAdd, action); \
 450     } else { \
 451         (*env)->ExceptionClear(env); \
 452     } \
 453 } while(0);
 454 
 455 
 456 void update_supported_actions(JNIEnv *env) {
 457     GVfs * (*fp_g_vfs_get_default) (void);
 458     const gchar * const * (*fp_g_vfs_get_supported_uri_schemes) (GVfs * vfs);
 459     const gchar * const * schemes = NULL;
 460 
 461     jclass cls_action = (*env)->FindClass(env, "java/awt/Desktop$Action");
 462     CHECK_NULL(cls_action);
 463     jclass cls_xDesktopPeer = (*env)->FindClass(env, "sun/awt/X11/XDesktopPeer");
 464     CHECK_NULL(cls_xDesktopPeer);
 465     jfieldID fld_supportedActions = (*env)->GetStaticFieldID(env, cls_xDesktopPeer, "supportedActions", "Ljava/util/List;");
 466     CHECK_NULL(fld_supportedActions);
 467     jobject supportedActions = (*env)->GetStaticObjectField(env, cls_xDesktopPeer, fld_supportedActions);
 468 
 469     jclass cls_arrayList = (*env)->FindClass(env, "java/util/ArrayList");
 470     CHECK_NULL(cls_arrayList);
 471     jmethodID mid_arrayListAdd = (*env)->GetMethodID(env, cls_arrayList, "add", "(Ljava/lang/Object;)Z");
 472     CHECK_NULL(mid_arrayListAdd);
 473     jmethodID mid_arrayListClear = (*env)->GetMethodID(env, cls_arrayList, "clear", "()V");
 474     CHECK_NULL(mid_arrayListClear);
 475 
 476     (*env)->CallVoidMethod(env, supportedActions, mid_arrayListClear);
 477 
 478     ADD_SUPPORTED_ACTION("OPEN");
 479 
 480     /**
 481      * gtk_show_uri() documentation says:
 482      *
 483      * > you need to install gvfs to get support for uri schemes such as http://
 484      * > or ftp://, as only local files are handled by GIO itself.
 485      *
 486      * So OPEN action was safely added here.
 487      * However, it looks like Solaris 11 have gvfs support only for 32-bit
 488      * applications only by default.
 489      */
 490 
 491     fp_g_vfs_get_default = dl_symbol("g_vfs_get_default");
 492     fp_g_vfs_get_supported_uri_schemes = dl_symbol("g_vfs_get_supported_uri_schemes");
 493     dlerror();
 494 
 495     if (fp_g_vfs_get_default && fp_g_vfs_get_supported_uri_schemes) {
 496         GVfs * vfs = fp_g_vfs_get_default();
 497         schemes = vfs ? fp_g_vfs_get_supported_uri_schemes(vfs) : NULL;
 498         if (schemes) {
 499             int i = 0;
 500             while (schemes[i]) {
 501                 if (strcmp(schemes[i], "http") == 0) {
 502                     ADD_SUPPORTED_ACTION("BROWSE");
 503                     ADD_SUPPORTED_ACTION("MAIL");
 504                     break;
 505                 }
 506                 i++;
 507             }
 508         }
 509     } else {
 510 #ifdef INTERNAL_BUILD
 511         fprintf(stderr, "Cannot load g_vfs_get_supported_uri_schemes\n");
 512 #endif /* INTERNAL_BUILD */
 513     }
 514 
 515 }
 516 /**
 517  * Functions for awt_Desktop.c
 518  */
 519 gboolean gtk2_show_uri_load(JNIEnv *env) {
 520      gboolean success = FALSE;
 521      dlerror();
 522      const char *gtk_version = fp_gtk_check_version(2, 14, 0);
 523      if (gtk_version != NULL) {
 524          // The gtk_show_uri is available from GTK+ 2.14
 525 #ifdef INTERNAL_BUILD
 526          fprintf (stderr, "The version of GTK is %s. "
 527              "The gtk_show_uri function is supported "
 528              "since GTK+ 2.14.\n", gtk_version);
 529 #endif /* INTERNAL_BUILD */
 530      } else {
 531          // Loading symbols only if the GTK version is 2.14 and higher
 532          fp_gtk_show_uri = dl_symbol("gtk_show_uri");
 533          const char *dlsym_error = dlerror();
 534          if (dlsym_error) {
 535 #ifdef INTERNAL_BUILD
 536              fprintf (stderr, "Cannot load symbol: %s \n", dlsym_error);
 537 #endif /* INTERNAL_BUILD */
 538          } else if (fp_gtk_show_uri == NULL) {
 539 #ifdef INTERNAL_BUILD
 540              fprintf(stderr, "dlsym(gtk_show_uri) returned NULL\n");
 541 #endif /* INTERNAL_BUILD */
 542         } else {
 543             update_supported_actions(env);
 544             success = TRUE;
 545         }
 546      }
 547      return success;
 548 }
 549 
 550 /**
 551  * Functions for sun_awt_X11_GtkFileDialogPeer.c
 552  */
 553 void gtk2_file_chooser_load()
 554 {
 555     fp_gtk_file_chooser_get_filename = dl_symbol(
 556             "gtk_file_chooser_get_filename");
 557     fp_gtk_file_chooser_dialog_new = dl_symbol("gtk_file_chooser_dialog_new");
 558     fp_gtk_file_chooser_set_current_folder = dl_symbol(
 559             "gtk_file_chooser_set_current_folder");
 560     fp_gtk_file_chooser_set_filename = dl_symbol(
 561             "gtk_file_chooser_set_filename");
 562     fp_gtk_file_chooser_set_current_name = dl_symbol(
 563             "gtk_file_chooser_set_current_name");
 564     fp_gtk_file_filter_add_custom = dl_symbol("gtk_file_filter_add_custom");
 565     fp_gtk_file_chooser_set_filter = dl_symbol("gtk_file_chooser_set_filter");
 566     fp_gtk_file_chooser_get_type = dl_symbol("gtk_file_chooser_get_type");
 567     fp_gtk_file_filter_new = dl_symbol("gtk_file_filter_new");
 568     if (fp_gtk_check_version(2, 8, 0) == NULL) {
 569         fp_gtk_file_chooser_set_do_overwrite_confirmation = dl_symbol(
 570                 "gtk_file_chooser_set_do_overwrite_confirmation");
 571     }
 572     fp_gtk_file_chooser_set_select_multiple = dl_symbol(
 573             "gtk_file_chooser_set_select_multiple");
 574     fp_gtk_file_chooser_get_current_folder = dl_symbol(
 575             "gtk_file_chooser_get_current_folder");
 576     fp_gtk_file_chooser_get_filenames = dl_symbol(
 577             "gtk_file_chooser_get_filenames");
 578     fp_gtk_g_slist_length = dl_symbol("g_slist_length");
 579 }
 580 
 581 gboolean gtk2_load(JNIEnv *env)
 582 {
 583     gboolean result;
 584     int i;
 585     int (*handler)();
 586     int (*io_handler)();
 587     char *gtk_modules_env;
 588 
 589     gtk2_libhandle = dlopen(GTK2_LIB_VERSIONED, RTLD_LAZY | RTLD_LOCAL);
 590     if (gtk2_libhandle == NULL) {
 591         gtk2_libhandle = dlopen(GTK2_LIB, RTLD_LAZY | RTLD_LOCAL);
 592         if (gtk2_libhandle == NULL)
 593             return FALSE;
 594     }
 595 
 596     gthread_libhandle = dlopen(GTHREAD_LIB_VERSIONED, RTLD_LAZY | RTLD_LOCAL);
 597     if (gthread_libhandle == NULL) {
 598         gthread_libhandle = dlopen(GTHREAD_LIB, RTLD_LAZY | RTLD_LOCAL);
 599         if (gthread_libhandle == NULL)
 600             return FALSE;
 601     }
 602 
 603     if (setjmp(j) == 0)
 604     {
 605         fp_gtk_check_version = dl_symbol("gtk_check_version");
 606         /* Check for GTK 2.2+ */
 607         if (fp_gtk_check_version(2, 2, 0)) {
 608             longjmp(j, NO_SYMBOL_EXCEPTION);
 609         }
 610 
 611         /* GLib */
 612         fp_glib_check_version = dlsym(gtk2_libhandle, "glib_check_version");
 613         if (!fp_glib_check_version) {
 614             dlerror();
 615         }
 616         fp_g_free = dl_symbol("g_free");
 617         fp_g_object_unref = dl_symbol("g_object_unref");
 618 
 619         fp_g_main_context_iteration =
 620             dl_symbol("g_main_context_iteration");
 621 
 622         fp_g_value_init = dl_symbol("g_value_init");
 623         fp_g_type_is_a = dl_symbol("g_type_is_a");
 624 
 625         fp_g_value_get_boolean = dl_symbol("g_value_get_boolean");
 626         fp_g_value_get_char = dl_symbol("g_value_get_char");
 627         fp_g_value_get_uchar = dl_symbol("g_value_get_uchar");
 628         fp_g_value_get_int = dl_symbol("g_value_get_int");
 629         fp_g_value_get_uint = dl_symbol("g_value_get_uint");
 630         fp_g_value_get_long = dl_symbol("g_value_get_long");
 631         fp_g_value_get_ulong = dl_symbol("g_value_get_ulong");
 632         fp_g_value_get_int64 = dl_symbol("g_value_get_int64");
 633         fp_g_value_get_uint64 = dl_symbol("g_value_get_uint64");
 634         fp_g_value_get_float = dl_symbol("g_value_get_float");
 635         fp_g_value_get_double = dl_symbol("g_value_get_double");
 636         fp_g_value_get_string = dl_symbol("g_value_get_string");
 637         fp_g_value_get_enum = dl_symbol("g_value_get_enum");
 638         fp_g_value_get_flags = dl_symbol("g_value_get_flags");
 639         fp_g_value_get_param = dl_symbol("g_value_get_param");
 640         fp_g_value_get_boxed = dl_symbol("g_value_get_boxed");
 641         fp_g_value_get_pointer = dl_symbol("g_value_get_pointer");
 642         fp_g_value_get_object = dl_symbol("g_value_get_object");
 643         fp_g_param_spec_int = dl_symbol("g_param_spec_int");
 644         fp_g_object_get = dl_symbol("g_object_get");
 645         fp_g_object_set = dl_symbol("g_object_set");
 646 
 647         /* GDK */
 648         fp_gdk_pixmap_new = dl_symbol("gdk_pixmap_new");
 649         fp_gdk_pixbuf_get_from_drawable =
 650             dl_symbol("gdk_pixbuf_get_from_drawable");
 651         fp_gdk_gc_new = dl_symbol("gdk_gc_new");
 652         fp_gdk_rgb_gc_set_foreground =
 653             dl_symbol("gdk_rgb_gc_set_foreground");
 654         fp_gdk_draw_rectangle = dl_symbol("gdk_draw_rectangle");
 655         fp_gdk_drawable_get_size = dl_symbol("gdk_drawable_get_size");
 656 
 657         /* Pixbuf */
 658         fp_gdk_pixbuf_new = dl_symbol("gdk_pixbuf_new");
 659         fp_gdk_pixbuf_new_from_file =
 660                 dl_symbol("gdk_pixbuf_new_from_file");
 661         fp_gdk_pixbuf_get_width = dl_symbol("gdk_pixbuf_get_width");
 662         fp_gdk_pixbuf_get_height = dl_symbol("gdk_pixbuf_get_height");
 663         fp_gdk_pixbuf_get_pixels = dl_symbol("gdk_pixbuf_get_pixels");
 664         fp_gdk_pixbuf_get_rowstride =
 665                 dl_symbol("gdk_pixbuf_get_rowstride");
 666         fp_gdk_pixbuf_get_has_alpha =
 667                 dl_symbol("gdk_pixbuf_get_has_alpha");
 668         fp_gdk_pixbuf_get_bits_per_sample =
 669                 dl_symbol("gdk_pixbuf_get_bits_per_sample");
 670         fp_gdk_pixbuf_get_n_channels =
 671                 dl_symbol("gdk_pixbuf_get_n_channels");
 672 
 673         /* GTK painting */
 674         fp_gtk_init_check = dl_symbol("gtk_init_check");
 675         fp_gtk_paint_hline = dl_symbol("gtk_paint_hline");
 676         fp_gtk_paint_vline = dl_symbol("gtk_paint_vline");
 677         fp_gtk_paint_shadow = dl_symbol("gtk_paint_shadow");
 678         fp_gtk_paint_arrow = dl_symbol("gtk_paint_arrow");
 679         fp_gtk_paint_diamond = dl_symbol("gtk_paint_diamond");
 680         fp_gtk_paint_box = dl_symbol("gtk_paint_box");
 681         fp_gtk_paint_flat_box = dl_symbol("gtk_paint_flat_box");
 682         fp_gtk_paint_check = dl_symbol("gtk_paint_check");
 683         fp_gtk_paint_option = dl_symbol("gtk_paint_option");
 684         fp_gtk_paint_box_gap = dl_symbol("gtk_paint_box_gap");
 685         fp_gtk_paint_extension = dl_symbol("gtk_paint_extension");
 686         fp_gtk_paint_focus = dl_symbol("gtk_paint_focus");
 687         fp_gtk_paint_slider = dl_symbol("gtk_paint_slider");
 688         fp_gtk_paint_handle = dl_symbol("gtk_paint_handle");
 689         fp_gtk_paint_expander = dl_symbol("gtk_paint_expander");
 690         fp_gtk_style_apply_default_background =
 691                 dl_symbol("gtk_style_apply_default_background");
 692 
 693         /* GTK widgets */
 694         fp_gtk_arrow_new = dl_symbol("gtk_arrow_new");
 695         fp_gtk_button_new = dl_symbol("gtk_button_new");
 696         fp_gtk_spin_button_new = dl_symbol("gtk_spin_button_new");
 697         fp_gtk_check_button_new = dl_symbol("gtk_check_button_new");
 698         fp_gtk_check_menu_item_new =
 699                 dl_symbol("gtk_check_menu_item_new");
 700         fp_gtk_color_selection_dialog_new =
 701                 dl_symbol("gtk_color_selection_dialog_new");
 702         fp_gtk_entry_new = dl_symbol("gtk_entry_new");
 703         fp_gtk_fixed_new = dl_symbol("gtk_fixed_new");
 704         fp_gtk_handle_box_new = dl_symbol("gtk_handle_box_new");
 705         fp_gtk_image_new = dl_symbol("gtk_image_new");
 706         fp_gtk_hpaned_new = dl_symbol("gtk_hpaned_new");
 707         fp_gtk_vpaned_new = dl_symbol("gtk_vpaned_new");
 708         fp_gtk_hscale_new = dl_symbol("gtk_hscale_new");
 709         fp_gtk_vscale_new = dl_symbol("gtk_vscale_new");
 710         fp_gtk_hscrollbar_new = dl_symbol("gtk_hscrollbar_new");
 711         fp_gtk_vscrollbar_new = dl_symbol("gtk_vscrollbar_new");
 712         fp_gtk_hseparator_new = dl_symbol("gtk_hseparator_new");
 713         fp_gtk_vseparator_new = dl_symbol("gtk_vseparator_new");
 714         fp_gtk_label_new = dl_symbol("gtk_label_new");
 715         fp_gtk_menu_new = dl_symbol("gtk_menu_new");
 716         fp_gtk_menu_bar_new = dl_symbol("gtk_menu_bar_new");
 717         fp_gtk_menu_item_new = dl_symbol("gtk_menu_item_new");
 718         fp_gtk_menu_item_set_submenu =
 719                 dl_symbol("gtk_menu_item_set_submenu");
 720         fp_gtk_notebook_new = dl_symbol("gtk_notebook_new");
 721         fp_gtk_progress_bar_new =
 722             dl_symbol("gtk_progress_bar_new");
 723         fp_gtk_progress_bar_set_orientation =
 724             dl_symbol("gtk_progress_bar_set_orientation");
 725         fp_gtk_radio_button_new =
 726             dl_symbol("gtk_radio_button_new");
 727         fp_gtk_radio_menu_item_new =
 728             dl_symbol("gtk_radio_menu_item_new");
 729         fp_gtk_scrolled_window_new =
 730             dl_symbol("gtk_scrolled_window_new");
 731         fp_gtk_separator_menu_item_new =
 732             dl_symbol("gtk_separator_menu_item_new");
 733         fp_gtk_text_view_new = dl_symbol("gtk_text_view_new");
 734         fp_gtk_toggle_button_new =
 735             dl_symbol("gtk_toggle_button_new");
 736         fp_gtk_toolbar_new = dl_symbol("gtk_toolbar_new");
 737         fp_gtk_tree_view_new = dl_symbol("gtk_tree_view_new");
 738         fp_gtk_viewport_new = dl_symbol("gtk_viewport_new");
 739         fp_gtk_window_new = dl_symbol("gtk_window_new");
 740         fp_gtk_window_present = dl_symbol("gtk_window_present");
 741         fp_gtk_window_move = dl_symbol("gtk_window_move");
 742         fp_gtk_window_resize = dl_symbol("gtk_window_resize");
 743 
 744           fp_gtk_dialog_new = dl_symbol("gtk_dialog_new");
 745         fp_gtk_frame_new = dl_symbol("gtk_frame_new");
 746 
 747         fp_gtk_adjustment_new = dl_symbol("gtk_adjustment_new");
 748         fp_gtk_container_add = dl_symbol("gtk_container_add");
 749         fp_gtk_menu_shell_append =
 750             dl_symbol("gtk_menu_shell_append");
 751         fp_gtk_widget_realize = dl_symbol("gtk_widget_realize");
 752         fp_gtk_widget_destroy = dl_symbol("gtk_widget_destroy");
 753         fp_gtk_widget_render_icon =
 754             dl_symbol("gtk_widget_render_icon");
 755         fp_gtk_widget_set_name =
 756             dl_symbol("gtk_widget_set_name");
 757         fp_gtk_widget_set_parent =
 758             dl_symbol("gtk_widget_set_parent");
 759         fp_gtk_widget_set_direction =
 760             dl_symbol("gtk_widget_set_direction");
 761         fp_gtk_widget_style_get =
 762             dl_symbol("gtk_widget_style_get");
 763         fp_gtk_widget_class_install_style_property =
 764             dl_symbol("gtk_widget_class_install_style_property");
 765         fp_gtk_widget_class_find_style_property =
 766             dl_symbol("gtk_widget_class_find_style_property");
 767         fp_gtk_widget_style_get_property =
 768             dl_symbol("gtk_widget_style_get_property");
 769         fp_pango_font_description_to_string =
 770             dl_symbol("pango_font_description_to_string");
 771         fp_gtk_settings_get_default =
 772             dl_symbol("gtk_settings_get_default");
 773         fp_gtk_widget_get_settings =
 774             dl_symbol("gtk_widget_get_settings");
 775         fp_gtk_border_get_type =  dl_symbol("gtk_border_get_type");
 776         fp_gtk_arrow_set = dl_symbol("gtk_arrow_set");
 777         fp_gtk_widget_size_request =
 778             dl_symbol("gtk_widget_size_request");
 779         fp_gtk_range_get_adjustment =
 780             dl_symbol("gtk_range_get_adjustment");
 781 
 782         fp_gtk_widget_hide = dl_symbol("gtk_widget_hide");
 783         fp_gtk_main_quit = dl_symbol("gtk_main_quit");
 784         fp_g_signal_connect_data = dl_symbol("g_signal_connect_data");
 785         fp_gtk_widget_show = dl_symbol("gtk_widget_show");
 786         fp_gtk_main = dl_symbol("gtk_main");
 787 
 788         fp_g_path_get_dirname = dl_symbol("g_path_get_dirname");
 789 
 790         /**
 791          * GLib thread system
 792          */
 793         if (GLIB_CHECK_VERSION(2, 20, 0)) {
 794             fp_g_thread_get_initialized = dl_symbol_gthread("g_thread_get_initialized");
 795         }
 796         fp_g_thread_init = dl_symbol_gthread("g_thread_init");
 797         fp_gdk_threads_init = dl_symbol("gdk_threads_init");
 798         fp_gdk_threads_enter = dl_symbol("gdk_threads_enter");
 799         fp_gdk_threads_leave = dl_symbol("gdk_threads_leave");
 800 
 801         /**
 802          * Functions for sun_awt_X11_GtkFileDialogPeer.c
 803          */
 804         if (fp_gtk_check_version(2, 4, 0) == NULL) {
 805             // The current GtkFileChooser is available from GTK+ 2.4
 806             gtk2_file_chooser_load();
 807         }
 808 
 809         /* Some functions may be missing in pre-2.4 GTK.
 810            We handle them specially here.
 811          */
 812         fp_gtk_combo_box_new = dlsym(gtk2_libhandle, "gtk_combo_box_new");
 813         if (fp_gtk_combo_box_new == NULL) {
 814             fp_gtk_combo_box_new = dl_symbol("gtk_combo_new");
 815         }
 816 
 817         fp_gtk_combo_box_entry_new =
 818             dlsym(gtk2_libhandle, "gtk_combo_box_entry_new");
 819         if (fp_gtk_combo_box_entry_new == NULL) {
 820             fp_gtk_combo_box_entry_new = dl_symbol("gtk_combo_new");
 821             new_combo = FALSE;
 822         }
 823 
 824         fp_gtk_separator_tool_item_new =
 825             dlsym(gtk2_libhandle, "gtk_separator_tool_item_new");
 826         if (fp_gtk_separator_tool_item_new == NULL) {
 827             fp_gtk_separator_tool_item_new =
 828                 dl_symbol("gtk_vseparator_new");
 829         }
 830     }
 831     /* Now we have only one kind of exceptions: NO_SYMBOL_EXCEPTION
 832      * Otherwise we can check the return value of setjmp method.
 833      */
 834     else
 835     {
 836         dlclose(gtk2_libhandle);
 837         gtk2_libhandle = NULL;
 838 
 839         dlclose(gthread_libhandle);
 840         gthread_libhandle = NULL;
 841 
 842         return FALSE;
 843     }
 844 
 845     /*
 846      * Strip the AT-SPI GTK_MODULES if present
 847      */
 848     gtk_modules_env = getenv ("GTK_MODULES");
 849     if ((gtk_modules_env && strstr(gtk_modules_env, "atk-bridge")) ||
 850         (gtk_modules_env && strstr(gtk_modules_env, "gail"))) {
 851         /* careful, strtok modifies its args */
 852         gchar *tmp_env = strdup(gtk_modules_env);
 853         if (tmp_env) {
 854             /* the new env will be smaller than the old one */
 855             gchar *s, *new_env = SAFE_SIZE_STRUCT_ALLOC(malloc,
 856                     sizeof(ENV_PREFIX), 1, strlen (gtk_modules_env));
 857 
 858             if (new_env) {
 859                 strcpy(new_env, ENV_PREFIX);
 860 
 861                 /* strip out 'atk-bridge' and 'gail' */
 862                 size_t PREFIX_LENGTH = strlen(ENV_PREFIX);
 863                 gchar *tmp_ptr = NULL;
 864                 for (s = strtok_r(tmp_env, ":", &tmp_ptr); s;
 865                      s = strtok_r(NULL, ":", &tmp_ptr)) {
 866                     if ((!strstr(s, "atk-bridge")) && (!strstr(s, "gail"))) {
 867                         if (strlen(new_env) > PREFIX_LENGTH) {
 868                             new_env = strcat(new_env, ":");
 869                         }
 870                         new_env = strcat(new_env, s);
 871                     }
 872                 }
 873                 if (putenv(new_env) != 0) {
 874                     /* no free() on success, putenv() doesn't copy string */
 875                     free(new_env);
 876                 }
 877             }
 878             free(tmp_env);
 879         }
 880     }
 881     /*
 882      * GTK should be initialized with gtk_init_check() before use.
 883      *
 884      * gtk_init_check installs its own error handlers. It is critical that
 885      * we preserve error handler set from AWT. Otherwise we'll crash on
 886      * BadMatch errors which we would normally ignore. The IO error handler
 887      * is preserved here, too, just for consistency.
 888     */
 889     AWT_LOCK();
 890     handler = XSetErrorHandler(NULL);
 891     io_handler = XSetIOErrorHandler(NULL);
 892 
 893     if (fp_gtk_check_version(2, 2, 0) == NULL) {
 894         jclass clazz = (*env)->FindClass(env, "sun/misc/GThreadHelper");
 895         jmethodID mid_getAndSetInitializationNeededFlag =
 896                 (*env)->GetStaticMethodID(env, clazz, "getAndSetInitializationNeededFlag", "()Z");
 897         jmethodID mid_lock = (*env)->GetStaticMethodID(env, clazz, "lock", "()V");
 898         jmethodID mid_unlock = (*env)->GetStaticMethodID(env, clazz, "unlock", "()V");
 899 
 900         // Init the thread system to use GLib in a thread-safe mode
 901         (*env)->CallStaticVoidMethod(env, clazz, mid_lock);
 902 
 903         // Calling g_thread_init() multiple times leads to crash on GLib < 2.24
 904         // We can use g_thread_get_initialized () but it is available only for
 905         // GLib >= 2.20. We rely on GThreadHelper for GLib < 2.20.
 906         gboolean is_g_thread_get_initialized = FALSE;
 907         if (GLIB_CHECK_VERSION(2, 20, 0)) {
 908             is_g_thread_get_initialized = fp_g_thread_get_initialized();
 909         }
 910 
 911         if (!(*env)->CallStaticBooleanMethod(env, clazz, mid_getAndSetInitializationNeededFlag)) {
 912             if (!is_g_thread_get_initialized) {
 913                 fp_g_thread_init(NULL);
 914             }
 915 
 916             //According the GTK documentation, gdk_threads_init() should be
 917             //called before gtk_init() or gtk_init_check()
 918             fp_gdk_threads_init();
 919         }
 920         (*env)->CallStaticVoidMethod(env, clazz, mid_unlock);
 921     }
 922     result = (*fp_gtk_init_check)(NULL, NULL);
 923 
 924     XSetErrorHandler(handler);
 925     XSetIOErrorHandler(io_handler);
 926     AWT_UNLOCK();
 927 
 928     /* Initialize widget array. */
 929     for (i = 0; i < _GTK_WIDGET_TYPE_SIZE; i++)
 930     {
 931         gtk2_widgets[i] = NULL;
 932     }
 933 
 934     return result;
 935 }
 936 
 937 int gtk2_unload()
 938 {
 939     int i;
 940     char *gtk2_error;
 941 
 942     if (!gtk2_libhandle)
 943         return TRUE;
 944 
 945     /* Release painting objects */
 946     if (gtk2_white_pixmap != NULL) {
 947         (*fp_g_object_unref)(gtk2_white_pixmap);
 948         (*fp_g_object_unref)(gtk2_black_pixmap);
 949         (*fp_g_object_unref)(gtk2_white_pixbuf);
 950         (*fp_g_object_unref)(gtk2_black_pixbuf);
 951         gtk2_white_pixmap = gtk2_black_pixmap =
 952             gtk2_white_pixbuf = gtk2_black_pixbuf = NULL;
 953     }
 954     gtk2_pixbuf_width = 0;
 955     gtk2_pixbuf_height = 0;
 956 
 957     if (gtk2_window != NULL) {
 958         /* Destroying toplevel widget will destroy all contained widgets */
 959         (*fp_gtk_widget_destroy)(gtk2_window);
 960 
 961         /* Unset some static data so they get reinitialized on next load */
 962         gtk2_window = NULL;
 963     }
 964 
 965     dlerror();
 966     dlclose(gtk2_libhandle);
 967     dlclose(gthread_libhandle);
 968     if ((gtk2_error = dlerror()) != NULL)
 969     {
 970         return FALSE;
 971     }
 972     return TRUE;
 973 }
 974 
 975 /* Dispatch all pending events from the GTK event loop.
 976  * This is needed to catch theme change and update widgets' style.
 977  */
 978 void flush_gtk_event_loop()
 979 {
 980     while( (*fp_g_main_context_iteration)(NULL, FALSE));
 981 }
 982 
 983 /*
 984  * Initialize components of containment hierarchy. This creates a GtkFixed
 985  * inside a GtkWindow. All widgets get realized.
 986  */
 987 static void init_containers()
 988 {
 989     if (gtk2_window == NULL)
 990     {
 991         gtk2_window = (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL);
 992         gtk2_fixed = (GtkFixed *)(*fp_gtk_fixed_new)();
 993         (*fp_gtk_container_add)((GtkContainer*)gtk2_window,
 994                                 (GtkWidget *)gtk2_fixed);
 995         (*fp_gtk_widget_realize)(gtk2_window);
 996         (*fp_gtk_widget_realize)((GtkWidget *)gtk2_fixed);
 997     }
 998 }
 999 
1000 /*
1001  * Ensure everything is ready for drawing an element of the specified width
1002  * and height.
1003  *
1004  * We should somehow handle translucent images. GTK can draw to X Drawables
1005  * only, which don't support alpha. When we retrieve the image back from
1006  * the server, translucency information is lost. There're several ways to
1007  * work around this:
1008  * 1) Subclass GdkPixmap and cache translucent objects on client side. This
1009  * requires us to implement parts of X server drawing logic on client side.
1010  * Many X requests can potentially be "translucent"; e.g. XDrawLine with
1011  * fill=tile and a translucent tile is a "translucent" operation, whereas
1012  * XDrawLine with fill=solid is an "opaque" one. Moreover themes can (and some
1013  * do) intermix transparent and opaque operations which makes caching even
1014  * more problematic.
1015  * 2) Use Xorg 32bit ARGB visual when available. GDK has no native support
1016  * for it (as of version 2.6). Also even in JDS 3 Xorg does not support
1017  * these visuals by default, which makes optimizing for them pointless.
1018  * We can consider doing this at a later point when ARGB visuals become more
1019  * popular.
1020  * 3') GTK has plans to use Cairo as its graphical backend (presumably in
1021  * 2.8), and Cairo supports alpha. With it we could also get rid of the
1022  * unnecessary round trip to server and do all the drawing on client side.
1023  * 4) For now we draw to two different pixmaps and restore alpha channel by
1024  * comparing results. This can be optimized by using subclassed pixmap and
1025  * doing the second drawing only if necessary.
1026 */
1027 void gtk2_init_painting(JNIEnv *env, gint width, gint height)
1028 {
1029     GdkGC *gc;
1030     GdkPixbuf *white, *black;
1031 
1032     init_containers();
1033 
1034     if (gtk2_pixbuf_width < width || gtk2_pixbuf_height < height)
1035     {
1036         white = (*fp_gdk_pixbuf_new)(GDK_COLORSPACE_RGB, TRUE, 8, width, height);
1037         black = (*fp_gdk_pixbuf_new)(GDK_COLORSPACE_RGB, TRUE, 8, width, height);
1038 
1039         if (white == NULL || black == NULL)
1040         {
1041             snprintf(convertionBuffer, CONV_BUFFER_SIZE, "Couldn't create pixbuf of size %dx%d", width, height);
1042             throw_exception(env, "java/lang/RuntimeException", convertionBuffer);
1043             fp_gdk_threads_leave();
1044             return;
1045         }
1046 
1047         if (gtk2_white_pixmap != NULL) {
1048             /* free old stuff */
1049             (*fp_g_object_unref)(gtk2_white_pixmap);
1050             (*fp_g_object_unref)(gtk2_black_pixmap);
1051             (*fp_g_object_unref)(gtk2_white_pixbuf);
1052             (*fp_g_object_unref)(gtk2_black_pixbuf);
1053         }
1054 
1055         gtk2_white_pixmap = (*fp_gdk_pixmap_new)(gtk2_window->window, width, height, -1);
1056         gtk2_black_pixmap = (*fp_gdk_pixmap_new)(gtk2_window->window, width, height, -1);
1057 
1058         gtk2_white_pixbuf = white;
1059         gtk2_black_pixbuf = black;
1060 
1061         gtk2_pixbuf_width = width;
1062         gtk2_pixbuf_height = height;
1063     }
1064 
1065     /* clear the pixmaps */
1066     gc = (*fp_gdk_gc_new)(gtk2_white_pixmap);
1067     (*fp_gdk_rgb_gc_set_foreground)(gc, 0xffffff);
1068     (*fp_gdk_draw_rectangle)(gtk2_white_pixmap, gc, TRUE, 0, 0, width, height);
1069     (*fp_g_object_unref)(gc);
1070 
1071     gc = (*fp_gdk_gc_new)(gtk2_black_pixmap);
1072     (*fp_gdk_rgb_gc_set_foreground)(gc, 0x000000);
1073     (*fp_gdk_draw_rectangle)(gtk2_black_pixmap, gc, TRUE, 0, 0, width, height);
1074     (*fp_g_object_unref)(gc);
1075 }
1076 
1077 /*
1078  * Restore image from white and black pixmaps and copy it into destination
1079  * buffer. This method compares two pixbufs taken from white and black
1080  * pixmaps and decodes color and alpha components. Pixbufs are RGB without
1081  * alpha, destination buffer is ABGR.
1082  *
1083  * The return value is the transparency type of the resulting image, either
1084  * one of java_awt_Transparency_OPAQUE, java_awt_Transparency_BITMASK, and
1085  * java_awt_Transparency_TRANSLUCENT.
1086  */
1087 gint gtk2_copy_image(gint *dst, gint width, gint height)
1088 {
1089     gint i, j, r, g, b;
1090     guchar *white, *black;
1091     gint stride, padding;
1092     gboolean is_opaque = TRUE;
1093     gboolean is_bitmask = TRUE;
1094 
1095     (*fp_gdk_pixbuf_get_from_drawable)(gtk2_white_pixbuf, gtk2_white_pixmap,
1096             NULL, 0, 0, 0, 0, width, height);
1097     (*fp_gdk_pixbuf_get_from_drawable)(gtk2_black_pixbuf, gtk2_black_pixmap,
1098             NULL, 0, 0, 0, 0, width, height);
1099 
1100     white = (*fp_gdk_pixbuf_get_pixels)(gtk2_white_pixbuf);
1101     black = (*fp_gdk_pixbuf_get_pixels)(gtk2_black_pixbuf);
1102     stride = (*fp_gdk_pixbuf_get_rowstride)(gtk2_black_pixbuf);
1103     padding = stride - width * 4;
1104 
1105     for (i = 0; i < height; i++) {
1106         for (j = 0; j < width; j++) {
1107             int r1 = *white++;
1108             int r2 = *black++;
1109             int alpha = 0xff + r2 - r1;
1110 
1111             switch (alpha) {
1112                 case 0:       /* transparent pixel */
1113                     r = g = b = 0;
1114                     black += 3;
1115                     white += 3;
1116                     is_opaque = FALSE;
1117                     break;
1118 
1119                 case 0xff:    /* opaque pixel */
1120                     r = r2;
1121                     g = *black++;
1122                     b = *black++;
1123                     black++;
1124                     white += 3;
1125                     break;
1126 
1127                 default:      /* translucent pixel */
1128                     r = 0xff * r2 / alpha;
1129                     g = 0xff * *black++ / alpha;
1130                     b = 0xff * *black++ / alpha;
1131                     black++;
1132                     white += 3;
1133                     is_opaque = FALSE;
1134                     is_bitmask = FALSE;
1135                     break;
1136             }
1137 
1138             *dst++ = (alpha << 24 | r << 16 | g << 8 | b);
1139         }
1140 
1141         white += padding;
1142         black += padding;
1143     }
1144     return is_opaque ? java_awt_Transparency_OPAQUE :
1145                        (is_bitmask ? java_awt_Transparency_BITMASK :
1146                                      java_awt_Transparency_TRANSLUCENT);
1147 }
1148 
1149 static void
1150 gtk2_set_direction(GtkWidget *widget, GtkTextDirection dir)
1151 {
1152     /*
1153      * Some engines (inexplicably) look at the direction of the widget's
1154      * parent, so we need to set the direction of both the widget and its
1155      * parent.
1156      */
1157     (*fp_gtk_widget_set_direction)(widget, dir);
1158     if (widget->parent != NULL) {
1159         (*fp_gtk_widget_set_direction)(widget->parent, dir);
1160     }
1161 }
1162 
1163 /*
1164  * Initializes the widget to correct state for some engines.
1165  * This is a pure empirical method.
1166  */
1167 static void init_toggle_widget(WidgetType widget_type, gint synth_state)
1168 {
1169     gboolean is_active = ((synth_state & SELECTED) != 0);
1170 
1171     if (widget_type == RADIO_BUTTON ||
1172         widget_type == CHECK_BOX ||
1173         widget_type == TOGGLE_BUTTON) {
1174         ((GtkToggleButton*)gtk2_widget)->active = is_active;
1175     }
1176 
1177     if ((synth_state & FOCUSED) != 0) {
1178         ((GtkObject*)gtk2_widget)->flags |= GTK_HAS_FOCUS;
1179     } else {
1180         ((GtkObject*)gtk2_widget)->flags &= ~GTK_HAS_FOCUS;
1181     }
1182 
1183     if ((synth_state & MOUSE_OVER) != 0 && (synth_state & PRESSED) == 0 ||
1184            (synth_state & FOCUSED) != 0 && (synth_state & PRESSED) != 0) {
1185         gtk2_widget->state = GTK_STATE_PRELIGHT;
1186     } else if ((synth_state & DISABLED) != 0) {
1187         gtk2_widget->state = GTK_STATE_INSENSITIVE;
1188     } else {
1189         gtk2_widget->state = is_active ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL;
1190     }
1191 }
1192 
1193 /* GTK state_type filter */
1194 static GtkStateType get_gtk_state_type(WidgetType widget_type, gint synth_state)
1195 {
1196     GtkStateType result = GTK_STATE_NORMAL;
1197 
1198     if ((synth_state & DISABLED) != 0) {
1199         result = GTK_STATE_INSENSITIVE;
1200     } else if ((synth_state & PRESSED) != 0) {
1201         result = GTK_STATE_ACTIVE;
1202     } else if ((synth_state & MOUSE_OVER) != 0) {
1203         result = GTK_STATE_PRELIGHT;
1204     }
1205     return result;
1206 }
1207 
1208 /* GTK shadow_type filter */
1209 static GtkShadowType get_gtk_shadow_type(WidgetType widget_type, gint synth_state)
1210 {
1211     GtkShadowType result = GTK_SHADOW_OUT;
1212 
1213     if ((synth_state & SELECTED) != 0) {
1214         result = GTK_SHADOW_IN;
1215     }
1216     return result;
1217 }
1218 
1219 
1220 static GtkWidget* gtk2_get_arrow(GtkArrowType arrow_type, GtkShadowType shadow_type)
1221 {
1222     GtkWidget *arrow = NULL;
1223     if (NULL == gtk2_widgets[_GTK_ARROW_TYPE])
1224     {
1225         gtk2_widgets[_GTK_ARROW_TYPE] = (*fp_gtk_arrow_new)(arrow_type, shadow_type);
1226         (*fp_gtk_container_add)((GtkContainer *)gtk2_fixed, gtk2_widgets[_GTK_ARROW_TYPE]);
1227         (*fp_gtk_widget_realize)(gtk2_widgets[_GTK_ARROW_TYPE]);
1228     }
1229     arrow = gtk2_widgets[_GTK_ARROW_TYPE];
1230 
1231     (*fp_gtk_arrow_set)(arrow, arrow_type, shadow_type);
1232     return arrow;
1233 }
1234 
1235 static GtkAdjustment* create_adjustment()
1236 {
1237     return (GtkAdjustment *)
1238             (*fp_gtk_adjustment_new)(50.0, 0.0, 100.0, 10.0, 20.0, 20.0);
1239 }
1240 
1241 /**
1242  * Returns a pointer to the cached native widget for the specified widget
1243  * type.
1244  */
1245 static GtkWidget *gtk2_get_widget(WidgetType widget_type)
1246 {
1247     gboolean init_result = FALSE;
1248     GtkWidget *result = NULL;
1249     switch (widget_type)
1250     {
1251         case BUTTON:
1252         case TABLE_HEADER:
1253             if (init_result = (NULL == gtk2_widgets[_GTK_BUTTON_TYPE]))
1254             {
1255                 gtk2_widgets[_GTK_BUTTON_TYPE] = (*fp_gtk_button_new)();
1256             }
1257             result = gtk2_widgets[_GTK_BUTTON_TYPE];
1258             break;
1259         case CHECK_BOX:
1260             if (init_result = (NULL == gtk2_widgets[_GTK_CHECK_BUTTON_TYPE]))
1261             {
1262                 gtk2_widgets[_GTK_CHECK_BUTTON_TYPE] =
1263                     (*fp_gtk_check_button_new)();
1264             }
1265             result = gtk2_widgets[_GTK_CHECK_BUTTON_TYPE];
1266             break;
1267         case CHECK_BOX_MENU_ITEM:
1268             if (init_result = (NULL == gtk2_widgets[_GTK_CHECK_MENU_ITEM_TYPE]))
1269             {
1270                 gtk2_widgets[_GTK_CHECK_MENU_ITEM_TYPE] =
1271                     (*fp_gtk_check_menu_item_new)();
1272             }
1273             result = gtk2_widgets[_GTK_CHECK_MENU_ITEM_TYPE];
1274             break;
1275         /************************************************************
1276          *    Creation a dedicated color chooser is dangerous because
1277          * it deadlocks the EDT
1278          ************************************************************/
1279 /*        case COLOR_CHOOSER:
1280             if (init_result =
1281                     (NULL == gtk2_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE]))
1282             {
1283                 gtk2_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE] =
1284                     (*fp_gtk_color_selection_dialog_new)(NULL);
1285             }
1286             result = gtk2_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE];
1287             break;*/
1288         case COMBO_BOX:
1289             if (init_result = (NULL == gtk2_widgets[_GTK_COMBO_BOX_TYPE]))
1290             {
1291                 gtk2_widgets[_GTK_COMBO_BOX_TYPE] =
1292                     (*fp_gtk_combo_box_new)();
1293             }
1294             result = gtk2_widgets[_GTK_COMBO_BOX_TYPE];
1295             break;
1296         case COMBO_BOX_ARROW_BUTTON:
1297             if (init_result =
1298                     (NULL == gtk2_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE]))
1299             {
1300                 gtk2_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE] =
1301                      (*fp_gtk_toggle_button_new)();
1302             }
1303             result = gtk2_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE];
1304             break;
1305         case COMBO_BOX_TEXT_FIELD:
1306             if (init_result =
1307                     (NULL == gtk2_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE]))
1308             {
1309                 result = gtk2_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE] =
1310                      (*fp_gtk_entry_new)();
1311             }
1312             result = gtk2_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE];
1313             break;
1314         case DESKTOP_ICON:
1315         case INTERNAL_FRAME_TITLE_PANE:
1316         case LABEL:
1317             if (init_result = (NULL == gtk2_widgets[_GTK_LABEL_TYPE]))
1318             {
1319                 gtk2_widgets[_GTK_LABEL_TYPE] =
1320                     (*fp_gtk_label_new)(NULL);
1321             }
1322             result = gtk2_widgets[_GTK_LABEL_TYPE];
1323             break;
1324         case DESKTOP_PANE:
1325         case PANEL:
1326         case ROOT_PANE:
1327             if (init_result = (NULL == gtk2_widgets[_GTK_CONTAINER_TYPE]))
1328             {
1329                 /* There is no constructor for a container type.  I've
1330                  * chosen GtkFixed container since it has a default
1331                  * constructor.
1332                  */
1333                 gtk2_widgets[_GTK_CONTAINER_TYPE] =
1334                     (*fp_gtk_fixed_new)();
1335             }
1336             result = gtk2_widgets[_GTK_CONTAINER_TYPE];
1337             break;
1338         case EDITOR_PANE:
1339         case TEXT_AREA:
1340         case TEXT_PANE:
1341             if (init_result = (NULL == gtk2_widgets[_GTK_TEXT_VIEW_TYPE]))
1342             {
1343                 gtk2_widgets[_GTK_TEXT_VIEW_TYPE] =
1344                     (*fp_gtk_text_view_new)();
1345             }
1346             result = gtk2_widgets[_GTK_TEXT_VIEW_TYPE];
1347             break;
1348         case FORMATTED_TEXT_FIELD:
1349         case PASSWORD_FIELD:
1350         case TEXT_FIELD:
1351             if (init_result = (NULL == gtk2_widgets[_GTK_ENTRY_TYPE]))
1352             {
1353                 gtk2_widgets[_GTK_ENTRY_TYPE] =
1354                     (*fp_gtk_entry_new)();
1355             }
1356             result = gtk2_widgets[_GTK_ENTRY_TYPE];
1357             break;
1358         case HANDLE_BOX:
1359             if (init_result = (NULL == gtk2_widgets[_GTK_HANDLE_BOX_TYPE]))
1360             {
1361                 gtk2_widgets[_GTK_HANDLE_BOX_TYPE] =
1362                     (*fp_gtk_handle_box_new)();
1363             }
1364             result = gtk2_widgets[_GTK_HANDLE_BOX_TYPE];
1365             break;
1366         case HSCROLL_BAR:
1367         case HSCROLL_BAR_BUTTON_LEFT:
1368         case HSCROLL_BAR_BUTTON_RIGHT:
1369         case HSCROLL_BAR_TRACK:
1370         case HSCROLL_BAR_THUMB:
1371             if (init_result = (NULL == gtk2_widgets[_GTK_HSCROLLBAR_TYPE]))
1372             {
1373                 gtk2_widgets[_GTK_HSCROLLBAR_TYPE] =
1374                     (*fp_gtk_hscrollbar_new)(create_adjustment());
1375             }
1376             result = gtk2_widgets[_GTK_HSCROLLBAR_TYPE];
1377             break;
1378         case HSEPARATOR:
1379             if (init_result = (NULL == gtk2_widgets[_GTK_HSEPARATOR_TYPE]))
1380             {
1381                 gtk2_widgets[_GTK_HSEPARATOR_TYPE] =
1382                     (*fp_gtk_hseparator_new)();
1383             }
1384             result = gtk2_widgets[_GTK_HSEPARATOR_TYPE];
1385             break;
1386         case HSLIDER:
1387         case HSLIDER_THUMB:
1388         case HSLIDER_TRACK:
1389             if (init_result = (NULL == gtk2_widgets[_GTK_HSCALE_TYPE]))
1390             {
1391                 gtk2_widgets[_GTK_HSCALE_TYPE] =
1392                     (*fp_gtk_hscale_new)(NULL);
1393             }
1394             result = gtk2_widgets[_GTK_HSCALE_TYPE];
1395             break;
1396         case HSPLIT_PANE_DIVIDER:
1397         case SPLIT_PANE:
1398             if (init_result = (NULL == gtk2_widgets[_GTK_HPANED_TYPE]))
1399             {
1400                 gtk2_widgets[_GTK_HPANED_TYPE] = (*fp_gtk_hpaned_new)();
1401             }
1402             result = gtk2_widgets[_GTK_HPANED_TYPE];
1403             break;
1404         case IMAGE:
1405             if (init_result = (NULL == gtk2_widgets[_GTK_IMAGE_TYPE]))
1406             {
1407                 gtk2_widgets[_GTK_IMAGE_TYPE] = (*fp_gtk_image_new)();
1408             }
1409             result = gtk2_widgets[_GTK_IMAGE_TYPE];
1410             break;
1411         case INTERNAL_FRAME:
1412             if (init_result = (NULL == gtk2_widgets[_GTK_WINDOW_TYPE]))
1413             {
1414                 gtk2_widgets[_GTK_WINDOW_TYPE] =
1415                     (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL);
1416             }
1417             result = gtk2_widgets[_GTK_WINDOW_TYPE];
1418             break;
1419         case TOOL_TIP:
1420             if (init_result = (NULL == gtk2_widgets[_GTK_TOOLTIP_TYPE]))
1421             {
1422                 result = (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL);
1423                 (*fp_gtk_widget_set_name)(result, "gtk-tooltips");
1424                 gtk2_widgets[_GTK_TOOLTIP_TYPE] = result;
1425             }
1426             result = gtk2_widgets[_GTK_TOOLTIP_TYPE];
1427             break;
1428         case LIST:
1429         case TABLE:
1430         case TREE:
1431         case TREE_CELL:
1432             if (init_result = (NULL == gtk2_widgets[_GTK_TREE_VIEW_TYPE]))
1433             {
1434                 gtk2_widgets[_GTK_TREE_VIEW_TYPE] =
1435                     (*fp_gtk_tree_view_new)();
1436             }
1437             result = gtk2_widgets[_GTK_TREE_VIEW_TYPE];
1438             break;
1439         case TITLED_BORDER:
1440             if (init_result = (NULL == gtk2_widgets[_GTK_FRAME_TYPE]))
1441             {
1442                 gtk2_widgets[_GTK_FRAME_TYPE] = fp_gtk_frame_new(NULL);
1443             }
1444             result = gtk2_widgets[_GTK_FRAME_TYPE];
1445             break;
1446         case POPUP_MENU:
1447             if (init_result = (NULL == gtk2_widgets[_GTK_MENU_TYPE]))
1448             {
1449                 gtk2_widgets[_GTK_MENU_TYPE] =
1450                     (*fp_gtk_menu_new)();
1451             }
1452             result = gtk2_widgets[_GTK_MENU_TYPE];
1453             break;
1454         case MENU:
1455         case MENU_ITEM:
1456         case MENU_ITEM_ACCELERATOR:
1457             if (init_result = (NULL == gtk2_widgets[_GTK_MENU_ITEM_TYPE]))
1458             {
1459                 gtk2_widgets[_GTK_MENU_ITEM_TYPE] =
1460                     (*fp_gtk_menu_item_new)();
1461             }
1462             result = gtk2_widgets[_GTK_MENU_ITEM_TYPE];
1463             break;
1464         case MENU_BAR:
1465             if (init_result = (NULL == gtk2_widgets[_GTK_MENU_BAR_TYPE]))
1466             {
1467                 gtk2_widgets[_GTK_MENU_BAR_TYPE] =
1468                     (*fp_gtk_menu_bar_new)();
1469             }
1470             result = gtk2_widgets[_GTK_MENU_BAR_TYPE];
1471             break;
1472         case COLOR_CHOOSER:
1473         case OPTION_PANE:
1474             if (init_result = (NULL == gtk2_widgets[_GTK_DIALOG_TYPE]))
1475             {
1476                 gtk2_widgets[_GTK_DIALOG_TYPE] =
1477                     (*fp_gtk_dialog_new)();
1478             }
1479             result = gtk2_widgets[_GTK_DIALOG_TYPE];
1480             break;
1481         case POPUP_MENU_SEPARATOR:
1482             if (init_result =
1483                     (NULL == gtk2_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE]))
1484             {
1485                 gtk2_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE] =
1486                     (*fp_gtk_separator_menu_item_new)();
1487             }
1488             result = gtk2_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE];
1489             break;
1490         case HPROGRESS_BAR:
1491             if (init_result = (NULL == gtk2_widgets[_GTK_HPROGRESS_BAR_TYPE]))
1492             {
1493                 gtk2_widgets[_GTK_HPROGRESS_BAR_TYPE] =
1494                     (*fp_gtk_progress_bar_new)();
1495             }
1496             result = gtk2_widgets[_GTK_HPROGRESS_BAR_TYPE];
1497             break;
1498         case VPROGRESS_BAR:
1499             if (init_result = (NULL == gtk2_widgets[_GTK_VPROGRESS_BAR_TYPE]))
1500             {
1501                 gtk2_widgets[_GTK_VPROGRESS_BAR_TYPE] =
1502                     (*fp_gtk_progress_bar_new)();
1503                 /*
1504                  * Vertical JProgressBars always go bottom-to-top,
1505                  * regardless of the ComponentOrientation.
1506                  */
1507                 (*fp_gtk_progress_bar_set_orientation)(
1508                     (GtkProgressBar *)gtk2_widgets[_GTK_VPROGRESS_BAR_TYPE],
1509                     GTK_PROGRESS_BOTTOM_TO_TOP);
1510             }
1511             result = gtk2_widgets[_GTK_VPROGRESS_BAR_TYPE];
1512             break;
1513         case RADIO_BUTTON:
1514             if (init_result = (NULL == gtk2_widgets[_GTK_RADIO_BUTTON_TYPE]))
1515             {
1516                 gtk2_widgets[_GTK_RADIO_BUTTON_TYPE] =
1517                     (*fp_gtk_radio_button_new)(NULL);
1518             }
1519             result = gtk2_widgets[_GTK_RADIO_BUTTON_TYPE];
1520             break;
1521         case RADIO_BUTTON_MENU_ITEM:
1522             if (init_result =
1523                     (NULL == gtk2_widgets[_GTK_RADIO_MENU_ITEM_TYPE]))
1524             {
1525                 gtk2_widgets[_GTK_RADIO_MENU_ITEM_TYPE] =
1526                     (*fp_gtk_radio_menu_item_new)(NULL);
1527             }
1528             result = gtk2_widgets[_GTK_RADIO_MENU_ITEM_TYPE];
1529             break;
1530         case SCROLL_PANE:
1531             if (init_result =
1532                     (NULL == gtk2_widgets[_GTK_SCROLLED_WINDOW_TYPE]))
1533             {
1534                 gtk2_widgets[_GTK_SCROLLED_WINDOW_TYPE] =
1535                     (*fp_gtk_scrolled_window_new)(NULL, NULL);
1536             }
1537             result = gtk2_widgets[_GTK_SCROLLED_WINDOW_TYPE];
1538             break;
1539         case SPINNER:
1540         case SPINNER_ARROW_BUTTON:
1541         case SPINNER_TEXT_FIELD:
1542             if (init_result = (NULL == gtk2_widgets[_GTK_SPIN_BUTTON_TYPE]))
1543             {
1544                 result = gtk2_widgets[_GTK_SPIN_BUTTON_TYPE] =
1545                     (*fp_gtk_spin_button_new)(NULL, 0, 0);
1546             }
1547             result = gtk2_widgets[_GTK_SPIN_BUTTON_TYPE];
1548             break;
1549         case TABBED_PANE:
1550         case TABBED_PANE_TAB_AREA:
1551         case TABBED_PANE_CONTENT:
1552         case TABBED_PANE_TAB:
1553             if (init_result = (NULL == gtk2_widgets[_GTK_NOTEBOOK_TYPE]))
1554             {
1555                 gtk2_widgets[_GTK_NOTEBOOK_TYPE] =
1556                     (*fp_gtk_notebook_new)(NULL);
1557             }
1558             result = gtk2_widgets[_GTK_NOTEBOOK_TYPE];
1559             break;
1560         case TOGGLE_BUTTON:
1561             if (init_result = (NULL == gtk2_widgets[_GTK_TOGGLE_BUTTON_TYPE]))
1562             {
1563                 gtk2_widgets[_GTK_TOGGLE_BUTTON_TYPE] =
1564                     (*fp_gtk_toggle_button_new)(NULL);
1565             }
1566             result = gtk2_widgets[_GTK_TOGGLE_BUTTON_TYPE];
1567             break;
1568         case TOOL_BAR:
1569         case TOOL_BAR_DRAG_WINDOW:
1570             if (init_result = (NULL == gtk2_widgets[_GTK_TOOLBAR_TYPE]))
1571             {
1572                 gtk2_widgets[_GTK_TOOLBAR_TYPE] =
1573                     (*fp_gtk_toolbar_new)(NULL);
1574             }
1575             result = gtk2_widgets[_GTK_TOOLBAR_TYPE];
1576             break;
1577         case TOOL_BAR_SEPARATOR:
1578             if (init_result =
1579                     (NULL == gtk2_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE]))
1580             {
1581                 gtk2_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE] =
1582                     (*fp_gtk_separator_tool_item_new)();
1583             }
1584             result = gtk2_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE];
1585             break;
1586         case VIEWPORT:
1587             if (init_result = (NULL == gtk2_widgets[_GTK_VIEWPORT_TYPE]))
1588             {
1589                 GtkAdjustment *adjustment = create_adjustment();
1590                 gtk2_widgets[_GTK_VIEWPORT_TYPE] =
1591                     (*fp_gtk_viewport_new)(adjustment, adjustment);
1592             }
1593             result = gtk2_widgets[_GTK_VIEWPORT_TYPE];
1594             break;
1595         case VSCROLL_BAR:
1596         case VSCROLL_BAR_BUTTON_UP:
1597         case VSCROLL_BAR_BUTTON_DOWN:
1598         case VSCROLL_BAR_TRACK:
1599         case VSCROLL_BAR_THUMB:
1600             if (init_result = (NULL == gtk2_widgets[_GTK_VSCROLLBAR_TYPE]))
1601             {
1602                 gtk2_widgets[_GTK_VSCROLLBAR_TYPE] =
1603                     (*fp_gtk_vscrollbar_new)(create_adjustment());
1604             }
1605             result = gtk2_widgets[_GTK_VSCROLLBAR_TYPE];
1606             break;
1607         case VSEPARATOR:
1608             if (init_result = (NULL == gtk2_widgets[_GTK_VSEPARATOR_TYPE]))
1609             {
1610                 gtk2_widgets[_GTK_VSEPARATOR_TYPE] =
1611                     (*fp_gtk_vseparator_new)();
1612             }
1613             result = gtk2_widgets[_GTK_VSEPARATOR_TYPE];
1614             break;
1615         case VSLIDER:
1616         case VSLIDER_THUMB:
1617         case VSLIDER_TRACK:
1618             if (init_result = (NULL == gtk2_widgets[_GTK_VSCALE_TYPE]))
1619             {
1620                 gtk2_widgets[_GTK_VSCALE_TYPE] =
1621                     (*fp_gtk_vscale_new)(NULL);
1622             }
1623             result = gtk2_widgets[_GTK_VSCALE_TYPE];
1624             /*
1625              * Vertical JSliders start at the bottom, while vertical
1626              * GtkVScale widgets start at the top (by default), so to fix
1627              * this we set the "inverted" flag to get the Swing behavior.
1628              */
1629             ((GtkRange*)result)->inverted = 1;
1630             break;
1631         case VSPLIT_PANE_DIVIDER:
1632             if (init_result = (NULL == gtk2_widgets[_GTK_VPANED_TYPE]))
1633             {
1634                 gtk2_widgets[_GTK_VPANED_TYPE] = (*fp_gtk_vpaned_new)();
1635             }
1636             result = gtk2_widgets[_GTK_VPANED_TYPE];
1637             break;
1638         default:
1639             result = NULL;
1640             break;
1641     }
1642 
1643     if (result != NULL && init_result)
1644     {
1645         if (widget_type == RADIO_BUTTON_MENU_ITEM ||
1646                 widget_type == CHECK_BOX_MENU_ITEM ||
1647                 widget_type == MENU_ITEM ||
1648                 widget_type == MENU ||
1649                 widget_type == POPUP_MENU_SEPARATOR)
1650         {
1651             GtkWidget *menu = gtk2_get_widget(POPUP_MENU);
1652             (*fp_gtk_menu_shell_append)((GtkMenuShell *)menu, result);
1653         }
1654         else if (widget_type == POPUP_MENU)
1655         {
1656             GtkWidget *menu_bar = gtk2_get_widget(MENU_BAR);
1657             GtkWidget *root_menu = (*fp_gtk_menu_item_new)();
1658             (*fp_gtk_menu_item_set_submenu)((GtkMenuItem*)root_menu, result);
1659             (*fp_gtk_menu_shell_append)((GtkMenuShell *)menu_bar, root_menu);
1660         }
1661         else if (widget_type == COMBO_BOX_ARROW_BUTTON ||
1662                  widget_type == COMBO_BOX_TEXT_FIELD)
1663         {
1664             /*
1665             * We add a regular GtkButton/GtkEntry to a GtkComboBoxEntry
1666             * in order to trick engines into thinking it's a real combobox
1667             * arrow button/text field.
1668             */
1669             GtkWidget *combo = (*fp_gtk_combo_box_entry_new)();
1670 
1671             if (new_combo && widget_type == COMBO_BOX_ARROW_BUTTON) {
1672                 (*fp_gtk_widget_set_parent)(result, combo);
1673                 ((GtkBin*)combo)->child = result;
1674             } else {
1675                 (*fp_gtk_container_add)((GtkContainer *)combo, result);
1676             }
1677             (*fp_gtk_container_add)((GtkContainer *)gtk2_fixed, combo);
1678         }
1679         else if (widget_type != TOOL_TIP &&
1680                  widget_type != INTERNAL_FRAME &&
1681                  widget_type != OPTION_PANE)
1682         {
1683             (*fp_gtk_container_add)((GtkContainer *)gtk2_fixed, result);
1684         }
1685         (*fp_gtk_widget_realize)(result);
1686     }
1687     return result;
1688 }
1689 
1690 void gtk2_paint_arrow(WidgetType widget_type, GtkStateType state_type,
1691         GtkShadowType shadow_type, const gchar *detail,
1692         gint x, gint y, gint width, gint height,
1693         GtkArrowType arrow_type, gboolean fill)
1694 {
1695     static int w, h;
1696     static GtkRequisition size;
1697 
1698     if (widget_type == COMBO_BOX_ARROW_BUTTON || widget_type == TABLE)
1699         gtk2_widget = gtk2_get_arrow(arrow_type, shadow_type);
1700     else
1701         gtk2_widget = gtk2_get_widget(widget_type);
1702 
1703     switch (widget_type)
1704     {
1705         case SPINNER_ARROW_BUTTON:
1706             x = 1;
1707             y = ((arrow_type == GTK_ARROW_UP) ? 2 : 0);
1708             height -= 2;
1709             width -= 3;
1710 
1711             w = width / 2;
1712             w -= w % 2 - 1;
1713             h = (w + 1) / 2;
1714             break;
1715 
1716         case HSCROLL_BAR_BUTTON_LEFT:
1717         case HSCROLL_BAR_BUTTON_RIGHT:
1718         case VSCROLL_BAR_BUTTON_UP:
1719         case VSCROLL_BAR_BUTTON_DOWN:
1720             w = width / 2;
1721             h = height / 2;
1722             break;
1723 
1724         case COMBO_BOX_ARROW_BUTTON:
1725         case TABLE:
1726             x = 1;
1727             (*fp_gtk_widget_size_request)(gtk2_widget, &size);
1728             w = size.width - ((GtkMisc*)gtk2_widget)->xpad * 2;
1729             h = size.height - ((GtkMisc*)gtk2_widget)->ypad * 2;
1730             w = h = MIN(MIN(w, h), MIN(width,height)) * 0.7;
1731             break;
1732 
1733         default:
1734             w = width;
1735             h = height;
1736             break;
1737     }
1738     x += (width - w) / 2;
1739     y += (height - h) / 2;
1740 
1741     (*fp_gtk_paint_arrow)(gtk2_widget->style, gtk2_white_pixmap, state_type,
1742             shadow_type, NULL, gtk2_widget, detail, arrow_type, fill,
1743             x, y, w, h);
1744     (*fp_gtk_paint_arrow)(gtk2_widget->style, gtk2_black_pixmap, state_type,
1745             shadow_type, NULL, gtk2_widget, detail, arrow_type, fill,
1746             x, y, w, h);
1747 }
1748 
1749 void gtk2_paint_box(WidgetType widget_type, GtkStateType state_type,
1750                     GtkShadowType shadow_type, const gchar *detail,
1751                     gint x, gint y, gint width, gint height,
1752                     gint synth_state, GtkTextDirection dir)
1753 {
1754     gtk2_widget = gtk2_get_widget(widget_type);
1755 
1756     /*
1757      * The clearlooks engine sometimes looks at the widget's state field
1758      * instead of just the state_type variable that we pass in, so to account
1759      * for those cases we set the widget's state field accordingly.  The
1760      * flags field is similarly important for things like focus/default state.
1761      */
1762     gtk2_widget->state = state_type;
1763 
1764     if (widget_type == HSLIDER_TRACK) {
1765         /*
1766          * For horizontal JSliders with right-to-left orientation, we need
1767          * to set the "inverted" flag to match the native GTK behavior where
1768          * the foreground highlight is on the right side of the slider thumb.
1769          * This is needed especially for the ubuntulooks engine, which looks
1770          * exclusively at the "inverted" flag to determine on which side of
1771          * the thumb to paint the highlight...
1772          */
1773         ((GtkRange*)gtk2_widget)->inverted = (dir == GTK_TEXT_DIR_RTL);
1774 
1775         /*
1776          * Note however that other engines like clearlooks will look at both
1777          * the "inverted" field and the text direction to determine how
1778          * the foreground highlight is painted:
1779          *     !inverted && ltr --> paint highlight on left side
1780          *     !inverted && rtl --> paint highlight on right side
1781          *      inverted && ltr --> paint highlight on right side
1782          *      inverted && rtl --> paint highlight on left side
1783          * So the only way to reliably get the desired results for horizontal
1784          * JSlider (i.e., highlight on left side for LTR ComponentOrientation
1785          * and highlight on right side for RTL ComponentOrientation) is to
1786          * always override text direction as LTR, and then set the "inverted"
1787          * flag accordingly (as we have done above).
1788          */
1789         dir = GTK_TEXT_DIR_LTR;
1790     }
1791 
1792     /*
1793      * Some engines (e.g. clearlooks) will paint the shadow of certain
1794      * widgets (e.g. COMBO_BOX_ARROW_BUTTON) differently depending on the
1795      * the text direction.
1796      */
1797     gtk2_set_direction(gtk2_widget, dir);
1798 
1799     switch (widget_type) {
1800     case BUTTON:
1801         if (synth_state & DEFAULT) {
1802             ((GtkObject*)gtk2_widget)->flags |= GTK_HAS_DEFAULT;
1803         } else {
1804             ((GtkObject*)gtk2_widget)->flags &= ~GTK_HAS_DEFAULT;
1805         }
1806         break;
1807     case TOGGLE_BUTTON:
1808         init_toggle_widget(widget_type, synth_state);
1809         break;
1810     case HSCROLL_BAR_BUTTON_LEFT:
1811         /*
1812          * The clearlooks engine will draw a "left" button when:
1813          *   x == w->allocation.x
1814          *
1815          * The ubuntulooks engine will draw a "left" button when:
1816          *   [x,y,width,height]
1817          *     intersects
1818          *   [w->alloc.x,w->alloc.y,width,height]
1819          *
1820          * The values that are set below should ensure that a "left"
1821          * button is rendered for both of these (and other) engines.
1822          */
1823         gtk2_widget->allocation.x = x;
1824         gtk2_widget->allocation.y = y;
1825         gtk2_widget->allocation.width = width;
1826         gtk2_widget->allocation.height = height;
1827         break;
1828     case HSCROLL_BAR_BUTTON_RIGHT:
1829         /*
1830          * The clearlooks engine will draw a "right" button when:
1831          *   x + width == w->allocation.x + w->allocation.width
1832          *
1833          * The ubuntulooks engine will draw a "right" button when:
1834          *   [x,y,width,height]
1835          *     does not intersect
1836          *   [w->alloc.x,w->alloc.y,width,height]
1837          *     but does intersect
1838          *   [w->alloc.x+width,w->alloc.y,width,height]
1839          *
1840          * The values that are set below should ensure that a "right"
1841          * button is rendered for both of these (and other) engines.
1842          */
1843         gtk2_widget->allocation.x = x+width;
1844         gtk2_widget->allocation.y = 0;
1845         gtk2_widget->allocation.width = 0;
1846         gtk2_widget->allocation.height = height;
1847         break;
1848     case VSCROLL_BAR_BUTTON_UP:
1849         /*
1850          * The clearlooks engine will draw an "up" button when:
1851          *   y == w->allocation.y
1852          *
1853          * The ubuntulooks engine will draw an "up" button when:
1854          *   [x,y,width,height]
1855          *     intersects
1856          *   [w->alloc.x,w->alloc.y,width,height]
1857          *
1858          * The values that are set below should ensure that an "up"
1859          * button is rendered for both of these (and other) engines.
1860          */
1861         gtk2_widget->allocation.x = x;
1862         gtk2_widget->allocation.y = y;
1863         gtk2_widget->allocation.width = width;
1864         gtk2_widget->allocation.height = height;
1865         break;
1866     case VSCROLL_BAR_BUTTON_DOWN:
1867         /*
1868          * The clearlooks engine will draw a "down" button when:
1869          *   y + height == w->allocation.y + w->allocation.height
1870          *
1871          * The ubuntulooks engine will draw a "down" button when:
1872          *   [x,y,width,height]
1873          *     does not intersect
1874          *   [w->alloc.x,w->alloc.y,width,height]
1875          *     but does intersect
1876          *   [w->alloc.x,w->alloc.y+height,width,height]
1877          *
1878          * The values that are set below should ensure that a "down"
1879          * button is rendered for both of these (and other) engines.
1880          */
1881         gtk2_widget->allocation.x = x;
1882         gtk2_widget->allocation.y = y+height;
1883         gtk2_widget->allocation.width = width;
1884         gtk2_widget->allocation.height = 0;
1885         break;
1886     default:
1887         break;
1888     }
1889 
1890     (*fp_gtk_paint_box)(gtk2_widget->style, gtk2_white_pixmap, state_type,
1891             shadow_type, NULL, gtk2_widget, detail, x, y, width, height);
1892     (*fp_gtk_paint_box)(gtk2_widget->style, gtk2_black_pixmap, state_type,
1893             shadow_type, NULL, gtk2_widget, detail, x, y, width, height);
1894 
1895     /*
1896      * Reset the text direction to the default value so that we don't
1897      * accidentally affect other operations and widgets.
1898      */
1899     gtk2_set_direction(gtk2_widget, GTK_TEXT_DIR_LTR);
1900 }
1901 
1902 void gtk2_paint_box_gap(WidgetType widget_type, GtkStateType state_type,
1903         GtkShadowType shadow_type, const gchar *detail,
1904         gint x, gint y, gint width, gint height,
1905         GtkPositionType gap_side, gint gap_x, gint gap_width)
1906 {
1907     /* Clearlooks needs a real clip area to paint the gap properly */
1908     GdkRectangle area = { x, y, width, height };
1909 
1910     gtk2_widget = gtk2_get_widget(widget_type);
1911     (*fp_gtk_paint_box_gap)(gtk2_widget->style, gtk2_white_pixmap, state_type,
1912             shadow_type, &area, gtk2_widget, detail,
1913             x, y, width, height, gap_side, gap_x, gap_width);
1914     (*fp_gtk_paint_box_gap)(gtk2_widget->style, gtk2_black_pixmap, state_type,
1915             shadow_type, &area, gtk2_widget, detail,
1916             x, y, width, height, gap_side, gap_x, gap_width);
1917 }
1918 
1919 void gtk2_paint_check(WidgetType widget_type, gint synth_state,
1920         const gchar *detail, gint x, gint y, gint width, gint height)
1921 {
1922     GtkStateType state_type = get_gtk_state_type(widget_type, synth_state);
1923     GtkShadowType shadow_type = get_gtk_shadow_type(widget_type, synth_state);
1924 
1925     gtk2_widget = gtk2_get_widget(widget_type);
1926     init_toggle_widget(widget_type, synth_state);
1927 
1928     (*fp_gtk_paint_check)(gtk2_widget->style, gtk2_white_pixmap, state_type,
1929             shadow_type, NULL, gtk2_widget, detail,
1930             x, y, width, height);
1931     (*fp_gtk_paint_check)(gtk2_widget->style, gtk2_black_pixmap, state_type,
1932             shadow_type, NULL, gtk2_widget, detail,
1933             x, y, width, height);
1934 }
1935 
1936 void gtk2_paint_diamond(WidgetType widget_type, GtkStateType state_type,
1937         GtkShadowType shadow_type, const gchar *detail,
1938         gint x, gint y, gint width, gint height)
1939 {
1940     gtk2_widget = gtk2_get_widget(widget_type);
1941     (*fp_gtk_paint_diamond)(gtk2_widget->style, gtk2_white_pixmap, state_type,
1942             shadow_type, NULL, gtk2_widget, detail,
1943             x, y, width, height);
1944     (*fp_gtk_paint_diamond)(gtk2_widget->style, gtk2_black_pixmap, state_type,
1945             shadow_type, NULL, gtk2_widget, detail,
1946             x, y, width, height);
1947 }
1948 
1949 void gtk2_paint_expander(WidgetType widget_type, GtkStateType state_type,
1950         const gchar *detail, gint x, gint y, gint width, gint height,
1951         GtkExpanderStyle expander_style)
1952 {
1953     gtk2_widget = gtk2_get_widget(widget_type);
1954     (*fp_gtk_paint_expander)(gtk2_widget->style, gtk2_white_pixmap,
1955             state_type, NULL, gtk2_widget, detail,
1956             x + width / 2, y + height / 2, expander_style);
1957     (*fp_gtk_paint_expander)(gtk2_widget->style, gtk2_black_pixmap,
1958             state_type, NULL, gtk2_widget, detail,
1959             x + width / 2, y + height / 2, expander_style);
1960 }
1961 
1962 void gtk2_paint_extension(WidgetType widget_type, GtkStateType state_type,
1963         GtkShadowType shadow_type, const gchar *detail,
1964         gint x, gint y, gint width, gint height, GtkPositionType gap_side)
1965 {
1966     gtk2_widget = gtk2_get_widget(widget_type);
1967     (*fp_gtk_paint_extension)(gtk2_widget->style, gtk2_white_pixmap,
1968             state_type, shadow_type, NULL, gtk2_widget, detail,
1969             x, y, width, height, gap_side);
1970     (*fp_gtk_paint_extension)(gtk2_widget->style, gtk2_black_pixmap,
1971             state_type, shadow_type, NULL, gtk2_widget, detail,
1972             x, y, width, height, gap_side);
1973 }
1974 
1975 void gtk2_paint_flat_box(WidgetType widget_type, GtkStateType state_type,
1976         GtkShadowType shadow_type, const gchar *detail,
1977         gint x, gint y, gint width, gint height, gboolean has_focus)
1978 {
1979     gtk2_widget = gtk2_get_widget(widget_type);
1980 
1981     if (has_focus)
1982         ((GtkObject*)gtk2_widget)->flags |= GTK_HAS_FOCUS;
1983     else
1984         ((GtkObject*)gtk2_widget)->flags &= ~GTK_HAS_FOCUS;
1985 
1986     (*fp_gtk_paint_flat_box)(gtk2_widget->style, gtk2_white_pixmap,
1987             state_type, shadow_type, NULL, gtk2_widget, detail,
1988             x, y, width, height);
1989     (*fp_gtk_paint_flat_box)(gtk2_widget->style, gtk2_black_pixmap,
1990             state_type, shadow_type, NULL, gtk2_widget, detail,
1991             x, y, width, height);
1992 }
1993 
1994 void gtk2_paint_focus(WidgetType widget_type, GtkStateType state_type,
1995         const char *detail, gint x, gint y, gint width, gint height)
1996 {
1997     gtk2_widget = gtk2_get_widget(widget_type);
1998     (*fp_gtk_paint_focus)(gtk2_widget->style, gtk2_white_pixmap, state_type,
1999             NULL, gtk2_widget, detail, x, y, width, height);
2000     (*fp_gtk_paint_focus)(gtk2_widget->style, gtk2_black_pixmap, state_type,
2001             NULL, gtk2_widget, detail, x, y, width, height);
2002 }
2003 
2004 void gtk2_paint_handle(WidgetType widget_type, GtkStateType state_type,
2005         GtkShadowType shadow_type, const gchar *detail,
2006         gint x, gint y, gint width, gint height, GtkOrientation orientation)
2007 {
2008     gtk2_widget = gtk2_get_widget(widget_type);
2009     (*fp_gtk_paint_handle)(gtk2_widget->style, gtk2_white_pixmap, state_type,
2010             shadow_type, NULL, gtk2_widget, detail,
2011             x, y, width, height, orientation);
2012     (*fp_gtk_paint_handle)(gtk2_widget->style, gtk2_black_pixmap, state_type,
2013             shadow_type, NULL, gtk2_widget, detail,
2014             x, y, width, height, orientation);
2015 }
2016 
2017 void gtk2_paint_hline(WidgetType widget_type, GtkStateType state_type,
2018         const gchar *detail, gint x, gint y, gint width, gint height)
2019 {
2020     gtk2_widget = gtk2_get_widget(widget_type);
2021     (*fp_gtk_paint_hline)(gtk2_widget->style, gtk2_white_pixmap, state_type,
2022             NULL, gtk2_widget, detail, x, x + width, y);
2023     (*fp_gtk_paint_hline)(gtk2_widget->style, gtk2_black_pixmap, state_type,
2024             NULL, gtk2_widget, detail, x, x + width, y);
2025 }
2026 
2027 void gtk2_paint_option(WidgetType widget_type, gint synth_state,
2028         const gchar *detail, gint x, gint y, gint width, gint height)
2029 {
2030     GtkStateType state_type = get_gtk_state_type(widget_type, synth_state);
2031     GtkShadowType shadow_type = get_gtk_shadow_type(widget_type, synth_state);
2032 
2033     gtk2_widget = gtk2_get_widget(widget_type);
2034     init_toggle_widget(widget_type, synth_state);
2035 
2036     (*fp_gtk_paint_option)(gtk2_widget->style, gtk2_white_pixmap, state_type,
2037             shadow_type, NULL, gtk2_widget, detail,
2038             x, y, width, height);
2039     (*fp_gtk_paint_option)(gtk2_widget->style, gtk2_black_pixmap, state_type,
2040             shadow_type, NULL, gtk2_widget, detail,
2041             x, y, width, height);
2042 }
2043 
2044 void gtk2_paint_shadow(WidgetType widget_type, GtkStateType state_type,
2045                        GtkShadowType shadow_type, const gchar *detail,
2046                        gint x, gint y, gint width, gint height,
2047                        gint synth_state, GtkTextDirection dir)
2048 {
2049     gtk2_widget = gtk2_get_widget(widget_type);
2050 
2051     /*
2052      * The clearlooks engine sometimes looks at the widget's state field
2053      * instead of just the state_type variable that we pass in, so to account
2054      * for those cases we set the widget's state field accordingly.  The
2055      * flags field is similarly important for things like focus state.
2056      */
2057     gtk2_widget->state = state_type;
2058 
2059     /*
2060      * Some engines (e.g. clearlooks) will paint the shadow of certain
2061      * widgets (e.g. COMBO_BOX_TEXT_FIELD) differently depending on the
2062      * the text direction.
2063      */
2064     gtk2_set_direction(gtk2_widget, dir);
2065 
2066     switch (widget_type) {
2067     case COMBO_BOX_TEXT_FIELD:
2068     case FORMATTED_TEXT_FIELD:
2069     case PASSWORD_FIELD:
2070     case SPINNER_TEXT_FIELD:
2071     case TEXT_FIELD:
2072         if (synth_state & FOCUSED) {
2073             ((GtkObject*)gtk2_widget)->flags |= GTK_HAS_FOCUS;
2074         } else {
2075             ((GtkObject*)gtk2_widget)->flags &= ~GTK_HAS_FOCUS;
2076         }
2077         break;
2078     default:
2079         break;
2080     }
2081 
2082     (*fp_gtk_paint_shadow)(gtk2_widget->style, gtk2_white_pixmap, state_type,
2083             shadow_type, NULL, gtk2_widget, detail, x, y, width, height);
2084     (*fp_gtk_paint_shadow)(gtk2_widget->style, gtk2_black_pixmap, state_type,
2085             shadow_type, NULL, gtk2_widget, detail, x, y, width, height);
2086 
2087     /*
2088      * Reset the text direction to the default value so that we don't
2089      * accidentally affect other operations and widgets.
2090      */
2091     gtk2_set_direction(gtk2_widget, GTK_TEXT_DIR_LTR);
2092 }
2093 
2094 void gtk2_paint_slider(WidgetType widget_type, GtkStateType state_type,
2095         GtkShadowType shadow_type, const gchar *detail,
2096         gint x, gint y, gint width, gint height, GtkOrientation orientation)
2097 {
2098     gtk2_widget = gtk2_get_widget(widget_type);
2099     (*fp_gtk_paint_slider)(gtk2_widget->style, gtk2_white_pixmap, state_type,
2100             shadow_type, NULL, gtk2_widget, detail,
2101             x, y, width, height, orientation);
2102     (*fp_gtk_paint_slider)(gtk2_widget->style, gtk2_black_pixmap, state_type,
2103             shadow_type, NULL, gtk2_widget, detail,
2104             x, y, width, height, orientation);
2105 }
2106 
2107 void gtk2_paint_vline(WidgetType widget_type, GtkStateType state_type,
2108         const gchar *detail, gint x, gint y, gint width, gint height)
2109 {
2110     gtk2_widget = gtk2_get_widget(widget_type);
2111     (*fp_gtk_paint_vline)(gtk2_widget->style, gtk2_white_pixmap, state_type,
2112             NULL, gtk2_widget, detail, y, y + height, x);
2113     (*fp_gtk_paint_vline)(gtk2_widget->style, gtk2_black_pixmap, state_type,
2114             NULL, gtk2_widget, detail, y, y + height, x);
2115 }
2116 
2117 void gtk_paint_background(WidgetType widget_type, GtkStateType state_type,
2118         gint x, gint y, gint width, gint height)
2119 {
2120     gtk2_widget = gtk2_get_widget(widget_type);
2121     (*fp_gtk_style_apply_default_background)(gtk2_widget->style,
2122             gtk2_white_pixmap, TRUE, state_type, NULL, x, y, width, height);
2123     (*fp_gtk_style_apply_default_background)(gtk2_widget->style,
2124             gtk2_black_pixmap, TRUE, state_type, NULL, x, y, width, height);
2125 }
2126 
2127 GdkPixbuf *gtk2_get_stock_icon(gint widget_type, const gchar *stock_id,
2128         GtkIconSize size, GtkTextDirection direction, const char *detail)
2129 {
2130     init_containers();
2131     gtk2_widget = gtk2_get_widget((widget_type < 0) ? IMAGE : widget_type);
2132     gtk2_widget->state = GTK_STATE_NORMAL;
2133     (*fp_gtk_widget_set_direction)(gtk2_widget, direction);
2134     return (*fp_gtk_widget_render_icon)(gtk2_widget, stock_id, size, detail);
2135 }
2136 
2137 /*************************************************/
2138 gint gtk2_get_xthickness(JNIEnv *env, WidgetType widget_type)
2139 {
2140     init_containers();
2141 
2142     gtk2_widget = gtk2_get_widget(widget_type);
2143     GtkStyle* style = gtk2_widget->style;
2144     return style->xthickness;
2145 }
2146 
2147 gint gtk2_get_ythickness(JNIEnv *env, WidgetType widget_type)
2148 {
2149     init_containers();
2150 
2151     gtk2_widget = gtk2_get_widget(widget_type);
2152     GtkStyle* style = gtk2_widget->style;
2153     return style->ythickness;
2154 }
2155 
2156 /*************************************************/
2157 guint8 recode_color(guint16 channel)
2158 {
2159     return (guint8)(channel>>8);
2160 }
2161 
2162 gint gtk2_get_color_for_state(JNIEnv *env, WidgetType widget_type,
2163                               GtkStateType state_type, ColorType color_type)
2164 {
2165     gint result = 0;
2166     GdkColor *color = NULL;
2167 
2168     init_containers();
2169 
2170     gtk2_widget = gtk2_get_widget(widget_type);
2171     GtkStyle* style = gtk2_widget->style;
2172 
2173     switch (color_type)
2174     {
2175         case FOREGROUND:
2176             color = &(style->fg[state_type]);
2177             break;
2178         case BACKGROUND:
2179             color = &(style->bg[state_type]);
2180             break;
2181         case TEXT_FOREGROUND:
2182             color = &(style->text[state_type]);
2183             break;
2184         case TEXT_BACKGROUND:
2185             color = &(style->base[state_type]);
2186             break;
2187         case LIGHT:
2188             color = &(style->light[state_type]);
2189             break;
2190         case DARK:
2191             color = &(style->dark[state_type]);
2192             break;
2193         case MID:
2194             color = &(style->mid[state_type]);
2195             break;
2196         case FOCUS:
2197         case BLACK:
2198             color = &(style->black);
2199             break;
2200         case WHITE:
2201             color = &(style->white);
2202             break;
2203     }
2204 
2205     if (color)
2206         result = recode_color(color->red)   << 16 |
2207                  recode_color(color->green) << 8  |
2208                  recode_color(color->blue);
2209 
2210     return result;
2211 }
2212 
2213 /*************************************************/
2214 jobject create_Boolean(JNIEnv *env, jboolean boolean_value);
2215 jobject create_Integer(JNIEnv *env, jint int_value);
2216 jobject create_Long(JNIEnv *env, jlong long_value);
2217 jobject create_Float(JNIEnv *env, jfloat float_value);
2218 jobject create_Double(JNIEnv *env, jdouble double_value);
2219 jobject create_Character(JNIEnv *env, jchar char_value);
2220 jobject create_Insets(JNIEnv *env, GtkBorder *border);
2221 
2222 jobject gtk2_get_class_value(JNIEnv *env, WidgetType widget_type, jstring jkey)
2223 {
2224     init_containers();
2225 
2226     const char* key = getStrFor(env, jkey);
2227     gtk2_widget = gtk2_get_widget(widget_type);
2228 
2229     GValue value;
2230     value.g_type = 0;
2231 
2232     GParamSpec* param = (*fp_gtk_widget_class_find_style_property)(
2233                                     ((GTypeInstance*)gtk2_widget)->g_class, key);
2234     if( param )
2235     {
2236         (*fp_g_value_init)( &value, param->value_type );
2237         (*fp_gtk_widget_style_get_property)(gtk2_widget, key, &value);
2238 
2239         if( (*fp_g_type_is_a)( param->value_type, G_TYPE_BOOLEAN ))
2240         {
2241             gboolean val = (*fp_g_value_get_boolean)(&value);
2242             return create_Boolean(env, (jboolean)val);
2243         }
2244         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_CHAR ))
2245         {
2246             gchar val = (*fp_g_value_get_char)(&value);
2247             return create_Character(env, (jchar)val);
2248         }
2249         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_UCHAR ))
2250         {
2251             guchar val = (*fp_g_value_get_uchar)(&value);
2252             return create_Character(env, (jchar)val);
2253         }
2254         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_INT ))
2255         {
2256             gint val = (*fp_g_value_get_int)(&value);
2257             return create_Integer(env, (jint)val);
2258         }
2259         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_UINT ))
2260         {
2261             guint val = (*fp_g_value_get_uint)(&value);
2262             return create_Integer(env, (jint)val);
2263         }
2264         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_LONG ))
2265         {
2266             glong val = (*fp_g_value_get_long)(&value);
2267             return create_Long(env, (jlong)val);
2268         }
2269         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_ULONG ))
2270         {
2271             gulong val = (*fp_g_value_get_ulong)(&value);
2272             return create_Long(env, (jlong)val);
2273         }
2274         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_INT64 ))
2275         {
2276             gint64 val = (*fp_g_value_get_int64)(&value);
2277             return create_Long(env, (jlong)val);
2278         }
2279         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_UINT64 ))
2280         {
2281             guint64 val = (*fp_g_value_get_uint64)(&value);
2282             return create_Long(env, (jlong)val);
2283         }
2284         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_FLOAT ))
2285         {
2286             gfloat val = (*fp_g_value_get_float)(&value);
2287             return create_Float(env, (jfloat)val);
2288         }
2289         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_DOUBLE ))
2290         {
2291             gdouble val = (*fp_g_value_get_double)(&value);
2292             return create_Double(env, (jdouble)val);
2293         }
2294         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_ENUM ))
2295         {
2296             gint val = (*fp_g_value_get_enum)(&value);
2297             return create_Integer(env, (jint)val);
2298         }
2299         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_FLAGS ))
2300         {
2301             guint val = (*fp_g_value_get_flags)(&value);
2302             return create_Integer(env, (jint)val);
2303         }
2304         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_STRING ))
2305         {
2306             const gchar* val = (*fp_g_value_get_string)(&value);
2307 
2308             /* We suppose that all values come in C locale and
2309              * utf-8 representation of a string is the same as
2310              * the string itself. If this isn't so we should
2311              * use g_convert.
2312              */
2313             return (*env)->NewStringUTF(env, val);
2314         }
2315         else if( (*fp_g_type_is_a)( param->value_type, GTK_TYPE_BORDER ))
2316         {
2317             GtkBorder *border = (GtkBorder*)(*fp_g_value_get_boxed)(&value);
2318             return border ? create_Insets(env, border) : NULL;
2319         }
2320 
2321         /*      TODO: Other types are not supported yet.*/
2322 /*        else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_PARAM ))
2323         {
2324             GParamSpec* val = (*fp_g_value_get_param)(&value);
2325             printf( "Param: %p\n", val );
2326         }
2327         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_BOXED ))
2328         {
2329             gpointer* val = (*fp_g_value_get_boxed)(&value);
2330             printf( "Boxed: %p\n", val );
2331         }
2332         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_POINTER ))
2333         {
2334             gpointer* val = (*fp_g_value_get_pointer)(&value);
2335             printf( "Pointer: %p\n", val );
2336         }
2337         else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_OBJECT ))
2338         {
2339             GObject* val = (GObject*)(*fp_g_value_get_object)(&value);
2340             printf( "Object: %p\n", val );
2341         }*/
2342     }
2343 
2344     return NULL;
2345 }
2346 
2347 void gtk2_set_range_value(WidgetType widget_type, jdouble value,
2348                           jdouble min, jdouble max, jdouble visible)
2349 {
2350     GtkAdjustment *adj;
2351 
2352     gtk2_widget = gtk2_get_widget(widget_type);
2353 
2354     adj = (*fp_gtk_range_get_adjustment)((GtkRange *)gtk2_widget);
2355     adj->value = (gdouble)value;
2356     adj->lower = (gdouble)min;
2357     adj->upper = (gdouble)max;
2358     adj->page_size = (gdouble)visible;
2359 }
2360 
2361 /*************************************************/
2362 jobject create_Object(JNIEnv *env, jmethodID *cid,
2363                              const char* class_name,
2364                              const char* signature,
2365                              jvalue* value)
2366 {
2367     jclass  class;
2368     jobject result;
2369 
2370     class = (*env)->FindClass(env, class_name);
2371     if( class == NULL )
2372         return NULL; /* can't find/load the class, exception thrown */
2373 
2374     if( *cid == NULL)
2375     {
2376         *cid = (*env)->GetMethodID(env, class, "<init>", signature);
2377         if( *cid == NULL )
2378         {
2379             (*env)->DeleteLocalRef(env, class);
2380             return NULL; /* can't find/get the method, exception thrown */
2381         }
2382     }
2383 
2384     result = (*env)->NewObjectA(env, class, *cid, value);
2385 
2386     (*env)->DeleteLocalRef(env, class);
2387     return result;
2388 }
2389 
2390 jobject create_Boolean(JNIEnv *env, jboolean boolean_value)
2391 {
2392     static jmethodID cid = NULL;
2393     jvalue value;
2394 
2395     value.z = boolean_value;
2396 
2397     return create_Object(env, &cid, "java/lang/Boolean", "(Z)V", &value);
2398 }
2399 
2400 jobject create_Integer(JNIEnv *env, jint int_value)
2401 {
2402     static jmethodID cid = NULL;
2403     jvalue value;
2404 
2405     value.i = int_value;
2406 
2407     return create_Object(env, &cid, "java/lang/Integer", "(I)V", &value);
2408 }
2409 
2410 jobject create_Long(JNIEnv *env, jlong long_value)
2411 {
2412     static jmethodID cid = NULL;
2413     jvalue value;
2414 
2415     value.j = long_value;
2416 
2417     return create_Object(env, &cid, "java/lang/Long", "(J)V", &value);
2418 }
2419 
2420 jobject create_Float(JNIEnv *env, jfloat float_value)
2421 {
2422     static jmethodID cid = NULL;
2423     jvalue value;
2424 
2425     value.f = float_value;
2426 
2427     return create_Object(env, &cid, "java/lang/Float", "(F)V", &value);
2428 }
2429 
2430 jobject create_Double(JNIEnv *env, jdouble double_value)
2431 {
2432     static jmethodID cid = NULL;
2433     jvalue value;
2434 
2435     value.d = double_value;
2436 
2437     return create_Object(env, &cid, "java/lang/Double", "(D)V", &value);
2438 }
2439 
2440 jobject create_Character(JNIEnv *env, jchar char_value)
2441 {
2442     static jmethodID cid = NULL;
2443     jvalue value;
2444 
2445     value.c = char_value;
2446 
2447     return create_Object(env, &cid, "java/lang/Character", "(C)V", &value);
2448 }
2449 
2450 
2451 jobject create_Insets(JNIEnv *env, GtkBorder *border)
2452 {
2453     static jmethodID cid = NULL;
2454     jvalue values[4];
2455 
2456     values[0].i = border->top;
2457     values[1].i = border->left;
2458     values[2].i = border->bottom;
2459     values[3].i = border->right;
2460 
2461     return create_Object(env, &cid, "java/awt/Insets", "(IIII)V", values);
2462 }
2463 
2464 /*********************************************/
2465 jstring gtk2_get_pango_font_name(JNIEnv *env, WidgetType widget_type)
2466 {
2467     init_containers();
2468 
2469     gtk2_widget = gtk2_get_widget(widget_type);
2470     jstring  result = NULL;
2471     GtkStyle* style = gtk2_widget->style;
2472 
2473     if (style && style->font_desc)
2474     {
2475         gchar* val = (*fp_pango_font_description_to_string)(style->font_desc);
2476         result = (*env)->NewStringUTF(env, val);
2477         (*fp_g_free)( val );
2478     }
2479 
2480     return result;
2481 }
2482 
2483 /***********************************************/
2484 jobject get_string_property(JNIEnv *env, GtkSettings* settings, const gchar* key)
2485 {
2486     jobject result = NULL;
2487     gchar*  strval = NULL;
2488 
2489     (*fp_g_object_get)(settings, key, &strval, NULL);
2490     result = (*env)->NewStringUTF(env, strval);
2491     (*fp_g_free)(strval);
2492 
2493     return result;
2494 }
2495 
2496 jobject get_integer_property(JNIEnv *env, GtkSettings* settings, const gchar* key)
2497 {
2498     gint intval = NULL;
2499     (*fp_g_object_get)(settings, key, &intval, NULL);
2500     return create_Integer(env, intval);
2501 }
2502 
2503 jobject get_boolean_property(JNIEnv *env, GtkSettings* settings, const gchar* key)
2504 {
2505     gint intval = NULL;
2506     (*fp_g_object_get)(settings, key, &intval, NULL);
2507     return create_Boolean(env, intval);
2508 }
2509 
2510 jobject gtk2_get_setting(JNIEnv *env, Setting property)
2511 {
2512     GtkSettings* settings = (*fp_gtk_settings_get_default)();
2513 
2514     switch (property)
2515     {
2516         case GTK_FONT_NAME:
2517             return get_string_property(env, settings, "gtk-font-name");
2518         case GTK_ICON_SIZES:
2519             return get_string_property(env, settings, "gtk-icon-sizes");
2520         case GTK_CURSOR_BLINK:
2521             return get_boolean_property(env, settings, "gtk-cursor-blink");
2522         case GTK_CURSOR_BLINK_TIME:
2523             return get_integer_property(env, settings, "gtk-cursor-blink-time");
2524     }
2525 
2526     return NULL;
2527 }