1 /* 2 * Copyright (c) 2005, 2015, 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 void (*fp_gdk_drawable_get_size)(GdkDrawable *drawable, 207 gint* width, gint* height); 208 209 /************************ 210 * Gtk function pointers 211 ************************/ 212 static gboolean (*fp_gtk_init_check)(int* argc, char** argv); 213 214 /* Painting */ 215 static void (*fp_gtk_paint_hline)(GtkStyle* style, GdkWindow* window, 216 GtkStateType state_type, GdkRectangle* area, GtkWidget* widget, 217 const gchar* detail, gint x1, gint x2, gint y); 218 static void (*fp_gtk_paint_vline)(GtkStyle* style, GdkWindow* window, 219 GtkStateType state_type, GdkRectangle* area, GtkWidget* widget, 220 const gchar* detail, gint y1, gint y2, gint x); 221 static void (*fp_gtk_paint_shadow)(GtkStyle* style, GdkWindow* window, 222 GtkStateType state_type, GtkShadowType shadow_type, 223 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 224 gint x, gint y, gint width, gint height); 225 static void (*fp_gtk_paint_arrow)(GtkStyle* style, GdkWindow* window, 226 GtkStateType state_type, GtkShadowType shadow_type, 227 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 228 GtkArrowType arrow_type, gboolean fill, gint x, gint y, 229 gint width, gint height); 230 static void (*fp_gtk_paint_diamond)(GtkStyle* style, GdkWindow* window, 231 GtkStateType state_type, GtkShadowType shadow_type, 232 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 233 gint x, gint y, gint width, gint height); 234 static void (*fp_gtk_paint_box)(GtkStyle* style, GdkWindow* window, 235 GtkStateType state_type, GtkShadowType shadow_type, 236 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 237 gint x, gint y, gint width, gint height); 238 static void (*fp_gtk_paint_flat_box)(GtkStyle* style, GdkWindow* window, 239 GtkStateType state_type, GtkShadowType shadow_type, 240 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 241 gint x, gint y, gint width, gint height); 242 static void (*fp_gtk_paint_check)(GtkStyle* style, GdkWindow* window, 243 GtkStateType state_type, GtkShadowType shadow_type, 244 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 245 gint x, gint y, gint width, gint height); 246 static void (*fp_gtk_paint_option)(GtkStyle* style, GdkWindow* window, 247 GtkStateType state_type, GtkShadowType shadow_type, 248 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 249 gint x, gint y, gint width, gint height); 250 static void (*fp_gtk_paint_box_gap)(GtkStyle* style, GdkWindow* window, 251 GtkStateType state_type, GtkShadowType shadow_type, 252 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 253 gint x, gint y, gint width, gint height, 254 GtkPositionType gap_side, gint gap_x, gint gap_width); 255 static void (*fp_gtk_paint_extension)(GtkStyle* style, GdkWindow* window, 256 GtkStateType state_type, GtkShadowType shadow_type, 257 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 258 gint x, gint y, gint width, gint height, GtkPositionType gap_side); 259 static void (*fp_gtk_paint_focus)(GtkStyle* style, GdkWindow* window, 260 GtkStateType state_type, GdkRectangle* area, GtkWidget* widget, 261 const gchar* detail, gint x, gint y, gint width, gint height); 262 static void (*fp_gtk_paint_slider)(GtkStyle* style, GdkWindow* window, 263 GtkStateType state_type, GtkShadowType shadow_type, 264 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 265 gint x, gint y, gint width, gint height, GtkOrientation orientation); 266 static void (*fp_gtk_paint_handle)(GtkStyle* style, GdkWindow* window, 267 GtkStateType state_type, GtkShadowType shadow_type, 268 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 269 gint x, gint y, gint width, gint height, GtkOrientation orientation); 270 static void (*fp_gtk_paint_expander)(GtkStyle* style, GdkWindow* window, 271 GtkStateType state_type, GdkRectangle* area, GtkWidget* widget, 272 const gchar* detail, gint x, gint y, GtkExpanderStyle expander_style); 273 static void (*fp_gtk_style_apply_default_background)(GtkStyle* style, 274 GdkWindow* window, gboolean set_bg, GtkStateType state_type, 275 GdkRectangle* area, gint x, gint y, gint width, gint height); 276 277 /* Widget creation */ 278 static GtkWidget* (*fp_gtk_arrow_new)(GtkArrowType arrow_type, 279 GtkShadowType shadow_type); 280 static GtkWidget* (*fp_gtk_button_new)(); 281 static GtkWidget* (*fp_gtk_check_button_new)(); 282 static GtkWidget* (*fp_gtk_check_menu_item_new)(); 283 static GtkWidget* (*fp_gtk_color_selection_dialog_new)(const gchar* title); 284 static GtkWidget* (*fp_gtk_combo_box_new)(); 285 static GtkWidget* (*fp_gtk_combo_box_entry_new)(); 286 static GtkWidget* (*fp_gtk_entry_new)(); 287 static GtkWidget* (*fp_gtk_fixed_new)(); 288 static GtkWidget* (*fp_gtk_handle_box_new)(); 289 static GtkWidget* (*fp_gtk_hpaned_new)(); 290 static GtkWidget* (*fp_gtk_vpaned_new)(); 291 static GtkWidget* (*fp_gtk_hscale_new)(GtkAdjustment* adjustment); 292 static GtkWidget* (*fp_gtk_vscale_new)(GtkAdjustment* adjustment); 293 static GtkWidget* (*fp_gtk_hscrollbar_new)(GtkAdjustment* adjustment); 294 static GtkWidget* (*fp_gtk_vscrollbar_new)(GtkAdjustment* adjustment); 295 static GtkWidget* (*fp_gtk_hseparator_new)(); 296 static GtkWidget* (*fp_gtk_vseparator_new)(); 297 static GtkWidget* (*fp_gtk_image_new)(); 298 static GtkWidget* (*fp_gtk_label_new)(const gchar* str); 299 static GtkWidget* (*fp_gtk_menu_new)(); 300 static GtkWidget* (*fp_gtk_menu_bar_new)(); 301 static GtkWidget* (*fp_gtk_menu_item_new)(); 302 static GtkWidget* (*fp_gtk_notebook_new)(); 303 static GtkWidget* (*fp_gtk_progress_bar_new)(); 304 static GtkWidget* (*fp_gtk_progress_bar_set_orientation)( 305 GtkProgressBar *pbar, 306 GtkProgressBarOrientation orientation); 307 static GtkWidget* (*fp_gtk_radio_button_new)(GSList *group); 308 static GtkWidget* (*fp_gtk_radio_menu_item_new)(GSList *group); 309 static GtkWidget* (*fp_gtk_scrolled_window_new)(GtkAdjustment *hadjustment, 310 GtkAdjustment *vadjustment); 311 static GtkWidget* (*fp_gtk_separator_menu_item_new)(); 312 static GtkWidget* (*fp_gtk_separator_tool_item_new)(); 313 static GtkWidget* (*fp_gtk_text_view_new)(); 314 static GtkWidget* (*fp_gtk_toggle_button_new)(); 315 static GtkWidget* (*fp_gtk_toolbar_new)(); 316 static GtkWidget* (*fp_gtk_tree_view_new)(); 317 static GtkWidget* (*fp_gtk_viewport_new)(GtkAdjustment *hadjustment, 318 GtkAdjustment *vadjustment); 319 static GtkWidget* (*fp_gtk_window_new)(GtkWindowType type); 320 static GtkWidget* (*fp_gtk_dialog_new)(); 321 static GtkWidget* (*fp_gtk_spin_button_new)(GtkAdjustment *adjustment, 322 gdouble climb_rate, guint digits); 323 static GtkWidget* (*fp_gtk_frame_new)(const gchar *label); 324 325 /* Other widget operations */ 326 static GtkObject* (*fp_gtk_adjustment_new)(gdouble value, 327 gdouble lower, gdouble upper, gdouble step_increment, 328 gdouble page_increment, gdouble page_size); 329 static void (*fp_gtk_container_add)(GtkContainer *window, GtkWidget *widget); 330 static void (*fp_gtk_menu_shell_append)(GtkMenuShell *menu_shell, 331 GtkWidget *child); 332 static void (*fp_gtk_menu_item_set_submenu)(GtkMenuItem *menu_item, 333 GtkWidget *submenu); 334 static void (*fp_gtk_widget_realize)(GtkWidget *widget); 335 static GdkPixbuf* (*fp_gtk_widget_render_icon)(GtkWidget *widget, 336 const gchar *stock_id, GtkIconSize size, const gchar *detail); 337 static void (*fp_gtk_widget_set_name)(GtkWidget *widget, const gchar *name); 338 static void (*fp_gtk_widget_set_parent)(GtkWidget *widget, GtkWidget *parent); 339 static void (*fp_gtk_widget_set_direction)(GtkWidget *widget, 340 GtkTextDirection direction); 341 static void (*fp_gtk_widget_style_get)(GtkWidget *widget, 342 const gchar *first_property_name, ...); 343 static void (*fp_gtk_widget_class_install_style_property)( 344 GtkWidgetClass* class, GParamSpec *pspec); 345 static GParamSpec* (*fp_gtk_widget_class_find_style_property)( 346 GtkWidgetClass* class, const gchar* property_name); 347 static void (*fp_gtk_widget_style_get_property)(GtkWidget* widget, 348 const gchar* property_name, GValue* value); 349 static char* (*fp_pango_font_description_to_string)( 350 const PangoFontDescription* fd); 351 static GtkSettings* (*fp_gtk_settings_get_default)(); 352 static GtkSettings* (*fp_gtk_widget_get_settings)(GtkWidget *widget); 353 static GType (*fp_gtk_border_get_type)(); 354 static void (*fp_gtk_arrow_set)(GtkWidget* arrow, 355 GtkArrowType arrow_type, 356 GtkShadowType shadow_type); 357 static void (*fp_gtk_widget_size_request)(GtkWidget *widget, 358 GtkRequisition *requisition); 359 static GtkAdjustment* (*fp_gtk_range_get_adjustment)(GtkRange* range); 360 361 /* Method bodies */ 362 const char *getStrFor(JNIEnv *env, jstring val) 363 { 364 int length = (*env)->GetStringLength(env, val); 365 if (length > CONV_BUFFER_SIZE-1) 366 { 367 length = CONV_BUFFER_SIZE-1; 368 #ifdef DEBUG 369 fprintf(stderr, "Note: Detail is too long: %d chars\n", length); 370 #endif /* DEBUG */ 371 } 372 373 (*env)->GetStringUTFRegion(env, val, 0, length, convertionBuffer); 374 return convertionBuffer; 375 } 376 377 static void throw_exception(JNIEnv *env, const char* name, const char* message) 378 { 379 jclass class = (*env)->FindClass(env, name); 380 381 if (class != NULL) 382 (*env)->ThrowNew(env, class, message); 383 384 (*env)->DeleteLocalRef(env, class); 385 } 386 387 /* This is a workaround for the bug: 388 * http://sourceware.org/bugzilla/show_bug.cgi?id=1814 389 * (dlsym/dlopen clears dlerror state) 390 * This bug is specific to Linux, but there is no harm in 391 * applying this workaround on Solaris as well. 392 */ 393 static void* dl_symbol(const char* name) 394 { 395 void* result = dlsym(gtk2_libhandle, name); 396 if (!result) 397 longjmp(j, NO_SYMBOL_EXCEPTION); 398 399 return result; 400 } 401 402 static void* dl_symbol_gthread(const char* name) 403 { 404 void* result = dlsym(gthread_libhandle, name); 405 if (!result) 406 longjmp(j, NO_SYMBOL_EXCEPTION); 407 408 return result; 409 } 410 411 gboolean gtk2_check_version() 412 { 413 if (gtk2_libhandle != NULL) { 414 /* We've already successfully opened the GTK libs, so return true. */ 415 return TRUE; 416 } else { 417 void *lib = NULL; 418 gboolean result = FALSE; 419 420 lib = dlopen(GTK2_LIB_VERSIONED, RTLD_LAZY | RTLD_LOCAL); 421 if (lib == NULL) { 422 lib = dlopen(GTK2_LIB, RTLD_LAZY | RTLD_LOCAL); 423 if (lib == NULL) { 424 return FALSE; 425 } 426 } 427 428 fp_gtk_check_version = dlsym(lib, "gtk_check_version"); 429 /* Check for GTK 2.2+ */ 430 if (!fp_gtk_check_version(2, 2, 0)) { 431 result = TRUE; 432 } 433 434 // 8048289: workaround for https://bugzilla.gnome.org/show_bug.cgi?id=733065 435 // dlclose(lib); 436 437 return result; 438 } 439 } 440 441 #define ADD_SUPPORTED_ACTION(actionStr) \ 442 do { \ 443 jfieldID fld_action = (*env)->GetStaticFieldID(env, cls_action, actionStr, "Ljava/awt/Desktop$Action;"); \ 444 if (!(*env)->ExceptionCheck(env)) { \ 445 jobject action = (*env)->GetStaticObjectField(env, cls_action, fld_action); \ 446 (*env)->CallBooleanMethod(env, supportedActions, mid_arrayListAdd, action); \ 447 } else { \ 448 (*env)->ExceptionClear(env); \ 449 } \ 450 } while(0); 451 452 453 void update_supported_actions(JNIEnv *env) { 454 GVfs * (*fp_g_vfs_get_default) (void); 455 const gchar * const * (*fp_g_vfs_get_supported_uri_schemes) (GVfs * vfs); 456 const gchar * const * schemes = NULL; 457 458 jclass cls_action = (*env)->FindClass(env, "java/awt/Desktop$Action"); 459 CHECK_NULL(cls_action); 460 jclass cls_xDesktopPeer = (*env)->FindClass(env, "sun/awt/X11/XDesktopPeer"); 461 CHECK_NULL(cls_xDesktopPeer); 462 jfieldID fld_supportedActions = (*env)->GetStaticFieldID(env, cls_xDesktopPeer, "supportedActions", "Ljava/util/List;"); 463 CHECK_NULL(fld_supportedActions); 464 jobject supportedActions = (*env)->GetStaticObjectField(env, cls_xDesktopPeer, fld_supportedActions); 465 466 jclass cls_arrayList = (*env)->FindClass(env, "java/util/ArrayList"); 467 CHECK_NULL(cls_arrayList); 468 jmethodID mid_arrayListAdd = (*env)->GetMethodID(env, cls_arrayList, "add", "(Ljava/lang/Object;)Z"); 469 CHECK_NULL(mid_arrayListAdd); 470 jmethodID mid_arrayListClear = (*env)->GetMethodID(env, cls_arrayList, "clear", "()V"); 471 CHECK_NULL(mid_arrayListClear); 472 473 (*env)->CallVoidMethod(env, supportedActions, mid_arrayListClear); 474 475 ADD_SUPPORTED_ACTION("OPEN"); 476 477 /** 478 * gtk_show_uri() documentation says: 479 * 480 * > you need to install gvfs to get support for uri schemes such as http:// 481 * > or ftp://, as only local files are handled by GIO itself. 482 * 483 * So OPEN action was safely added here. 484 * However, it looks like Solaris 11 have gvfs support only for 32-bit 485 * applications only by default. 486 */ 487 488 fp_g_vfs_get_default = dl_symbol("g_vfs_get_default"); 489 fp_g_vfs_get_supported_uri_schemes = dl_symbol("g_vfs_get_supported_uri_schemes"); 490 dlerror(); 491 492 if (fp_g_vfs_get_default && fp_g_vfs_get_supported_uri_schemes) { 493 GVfs * vfs = fp_g_vfs_get_default(); 494 schemes = vfs ? fp_g_vfs_get_supported_uri_schemes(vfs) : NULL; 495 if (schemes) { 496 int i = 0; 497 while (schemes[i]) { 498 if (strcmp(schemes[i], "http") == 0) { 499 ADD_SUPPORTED_ACTION("BROWSE"); 500 ADD_SUPPORTED_ACTION("MAIL"); 501 break; 502 } 503 i++; 504 } 505 } 506 } else { 507 #ifdef DEBUG 508 fprintf(stderr, "Cannot load g_vfs_get_supported_uri_schemes\n"); 509 #endif /* DEBUG */ 510 } 511 512 } 513 /** 514 * Functions for awt_Desktop.c 515 */ 516 gboolean gtk2_show_uri_load(JNIEnv *env) { 517 gboolean success = FALSE; 518 dlerror(); 519 const char *gtk_version = fp_gtk_check_version(2, 14, 0); 520 if (gtk_version != NULL) { 521 // The gtk_show_uri is available from GTK+ 2.14 522 #ifdef DEBUG 523 fprintf (stderr, "The version of GTK is %s. " 524 "The gtk_show_uri function is supported " 525 "since GTK+ 2.14.\n", gtk_version); 526 #endif /* DEBUG */ 527 } else { 528 // Loading symbols only if the GTK version is 2.14 and higher 529 fp_gtk_show_uri = dl_symbol("gtk_show_uri"); 530 const char *dlsym_error = dlerror(); 531 if (dlsym_error) { 532 #ifdef DEBUG 533 fprintf (stderr, "Cannot load symbol: %s \n", dlsym_error); 534 #endif /* DEBUG */ 535 } else if (fp_gtk_show_uri == NULL) { 536 #ifdef DEBUG 537 fprintf(stderr, "dlsym(gtk_show_uri) returned NULL\n"); 538 #endif /* DEBUG */ 539 } else { 540 update_supported_actions(env); 541 success = TRUE; 542 } 543 } 544 return success; 545 } 546 547 /** 548 * Functions for sun_awt_X11_GtkFileDialogPeer.c 549 */ 550 void gtk2_file_chooser_load() 551 { 552 fp_gtk_file_chooser_get_filename = dl_symbol( 553 "gtk_file_chooser_get_filename"); 554 fp_gtk_file_chooser_dialog_new = dl_symbol("gtk_file_chooser_dialog_new"); 555 fp_gtk_file_chooser_set_current_folder = dl_symbol( 556 "gtk_file_chooser_set_current_folder"); 557 fp_gtk_file_chooser_set_filename = dl_symbol( 558 "gtk_file_chooser_set_filename"); 559 fp_gtk_file_chooser_set_current_name = dl_symbol( 560 "gtk_file_chooser_set_current_name"); 561 fp_gtk_file_filter_add_custom = dl_symbol("gtk_file_filter_add_custom"); 562 fp_gtk_file_chooser_set_filter = dl_symbol("gtk_file_chooser_set_filter"); 563 fp_gtk_file_chooser_get_type = dl_symbol("gtk_file_chooser_get_type"); 564 fp_gtk_file_filter_new = dl_symbol("gtk_file_filter_new"); 565 if (fp_gtk_check_version(2, 8, 0) == NULL) { 566 fp_gtk_file_chooser_set_do_overwrite_confirmation = dl_symbol( 567 "gtk_file_chooser_set_do_overwrite_confirmation"); 568 } 569 fp_gtk_file_chooser_set_select_multiple = dl_symbol( 570 "gtk_file_chooser_set_select_multiple"); 571 fp_gtk_file_chooser_get_current_folder = dl_symbol( 572 "gtk_file_chooser_get_current_folder"); 573 fp_gtk_file_chooser_get_filenames = dl_symbol( 574 "gtk_file_chooser_get_filenames"); 575 fp_gtk_g_slist_length = dl_symbol("g_slist_length"); 576 fp_gdk_x11_drawable_get_xid = dl_symbol("gdk_x11_drawable_get_xid"); 577 } 578 579 gboolean gtk2_load(JNIEnv *env) 580 { 581 gboolean result; 582 int i; 583 int (*handler)(); 584 int (*io_handler)(); 585 char *gtk_modules_env; 586 587 gtk2_libhandle = dlopen(GTK2_LIB_VERSIONED, RTLD_LAZY | RTLD_LOCAL); 588 if (gtk2_libhandle == NULL) { 589 gtk2_libhandle = dlopen(GTK2_LIB, RTLD_LAZY | RTLD_LOCAL); 590 if (gtk2_libhandle == NULL) 591 return FALSE; 592 } 593 594 gthread_libhandle = dlopen(GTHREAD_LIB_VERSIONED, RTLD_LAZY | RTLD_LOCAL); 595 if (gthread_libhandle == NULL) { 596 gthread_libhandle = dlopen(GTHREAD_LIB, RTLD_LAZY | RTLD_LOCAL); 597 if (gthread_libhandle == NULL) 598 return FALSE; 599 } 600 601 if (setjmp(j) == 0) 602 { 603 fp_gtk_check_version = dl_symbol("gtk_check_version"); 604 /* Check for GTK 2.2+ */ 605 if (fp_gtk_check_version(2, 2, 0)) { 606 longjmp(j, NO_SYMBOL_EXCEPTION); 607 } 608 609 /* GLib */ 610 fp_glib_check_version = dlsym(gtk2_libhandle, "glib_check_version"); 611 if (!fp_glib_check_version) { 612 dlerror(); 613 } 614 fp_g_free = dl_symbol("g_free"); 615 fp_g_object_unref = dl_symbol("g_object_unref"); 616 617 fp_g_main_context_iteration = 618 dl_symbol("g_main_context_iteration"); 619 620 fp_g_value_init = dl_symbol("g_value_init"); 621 fp_g_type_is_a = dl_symbol("g_type_is_a"); 622 623 fp_g_value_get_boolean = dl_symbol("g_value_get_boolean"); 624 fp_g_value_get_char = dl_symbol("g_value_get_char"); 625 fp_g_value_get_uchar = dl_symbol("g_value_get_uchar"); 626 fp_g_value_get_int = dl_symbol("g_value_get_int"); 627 fp_g_value_get_uint = dl_symbol("g_value_get_uint"); 628 fp_g_value_get_long = dl_symbol("g_value_get_long"); 629 fp_g_value_get_ulong = dl_symbol("g_value_get_ulong"); 630 fp_g_value_get_int64 = dl_symbol("g_value_get_int64"); 631 fp_g_value_get_uint64 = dl_symbol("g_value_get_uint64"); 632 fp_g_value_get_float = dl_symbol("g_value_get_float"); 633 fp_g_value_get_double = dl_symbol("g_value_get_double"); 634 fp_g_value_get_string = dl_symbol("g_value_get_string"); 635 fp_g_value_get_enum = dl_symbol("g_value_get_enum"); 636 fp_g_value_get_flags = dl_symbol("g_value_get_flags"); 637 fp_g_value_get_param = dl_symbol("g_value_get_param"); 638 fp_g_value_get_boxed = dl_symbol("g_value_get_boxed"); 639 fp_g_value_get_pointer = dl_symbol("g_value_get_pointer"); 640 fp_g_value_get_object = dl_symbol("g_value_get_object"); 641 fp_g_param_spec_int = dl_symbol("g_param_spec_int"); 642 fp_g_object_get = dl_symbol("g_object_get"); 643 fp_g_object_set = dl_symbol("g_object_set"); 644 645 /* GDK */ 646 fp_gdk_get_default_root_window = 647 dl_symbol("gdk_get_default_root_window"); 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 fp_gdk_pixbuf_get_colorspace = 673 dl_symbol("gdk_pixbuf_get_colorspace"); 674 675 /* GTK painting */ 676 fp_gtk_init_check = dl_symbol("gtk_init_check"); 677 fp_gtk_paint_hline = dl_symbol("gtk_paint_hline"); 678 fp_gtk_paint_vline = dl_symbol("gtk_paint_vline"); 679 fp_gtk_paint_shadow = dl_symbol("gtk_paint_shadow"); 680 fp_gtk_paint_arrow = dl_symbol("gtk_paint_arrow"); 681 fp_gtk_paint_diamond = dl_symbol("gtk_paint_diamond"); 682 fp_gtk_paint_box = dl_symbol("gtk_paint_box"); 683 fp_gtk_paint_flat_box = dl_symbol("gtk_paint_flat_box"); 684 fp_gtk_paint_check = dl_symbol("gtk_paint_check"); 685 fp_gtk_paint_option = dl_symbol("gtk_paint_option"); 686 fp_gtk_paint_box_gap = dl_symbol("gtk_paint_box_gap"); 687 fp_gtk_paint_extension = dl_symbol("gtk_paint_extension"); 688 fp_gtk_paint_focus = dl_symbol("gtk_paint_focus"); 689 fp_gtk_paint_slider = dl_symbol("gtk_paint_slider"); 690 fp_gtk_paint_handle = dl_symbol("gtk_paint_handle"); 691 fp_gtk_paint_expander = dl_symbol("gtk_paint_expander"); 692 fp_gtk_style_apply_default_background = 693 dl_symbol("gtk_style_apply_default_background"); 694 695 /* GTK widgets */ 696 fp_gtk_arrow_new = dl_symbol("gtk_arrow_new"); 697 fp_gtk_button_new = dl_symbol("gtk_button_new"); 698 fp_gtk_spin_button_new = dl_symbol("gtk_spin_button_new"); 699 fp_gtk_check_button_new = dl_symbol("gtk_check_button_new"); 700 fp_gtk_check_menu_item_new = 701 dl_symbol("gtk_check_menu_item_new"); 702 fp_gtk_color_selection_dialog_new = 703 dl_symbol("gtk_color_selection_dialog_new"); 704 fp_gtk_entry_new = dl_symbol("gtk_entry_new"); 705 fp_gtk_fixed_new = dl_symbol("gtk_fixed_new"); 706 fp_gtk_handle_box_new = dl_symbol("gtk_handle_box_new"); 707 fp_gtk_image_new = dl_symbol("gtk_image_new"); 708 fp_gtk_hpaned_new = dl_symbol("gtk_hpaned_new"); 709 fp_gtk_vpaned_new = dl_symbol("gtk_vpaned_new"); 710 fp_gtk_hscale_new = dl_symbol("gtk_hscale_new"); 711 fp_gtk_vscale_new = dl_symbol("gtk_vscale_new"); 712 fp_gtk_hscrollbar_new = dl_symbol("gtk_hscrollbar_new"); 713 fp_gtk_vscrollbar_new = dl_symbol("gtk_vscrollbar_new"); 714 fp_gtk_hseparator_new = dl_symbol("gtk_hseparator_new"); 715 fp_gtk_vseparator_new = dl_symbol("gtk_vseparator_new"); 716 fp_gtk_label_new = dl_symbol("gtk_label_new"); 717 fp_gtk_menu_new = dl_symbol("gtk_menu_new"); 718 fp_gtk_menu_bar_new = dl_symbol("gtk_menu_bar_new"); 719 fp_gtk_menu_item_new = dl_symbol("gtk_menu_item_new"); 720 fp_gtk_menu_item_set_submenu = 721 dl_symbol("gtk_menu_item_set_submenu"); 722 fp_gtk_notebook_new = dl_symbol("gtk_notebook_new"); 723 fp_gtk_progress_bar_new = 724 dl_symbol("gtk_progress_bar_new"); 725 fp_gtk_progress_bar_set_orientation = 726 dl_symbol("gtk_progress_bar_set_orientation"); 727 fp_gtk_radio_button_new = 728 dl_symbol("gtk_radio_button_new"); 729 fp_gtk_radio_menu_item_new = 730 dl_symbol("gtk_radio_menu_item_new"); 731 fp_gtk_scrolled_window_new = 732 dl_symbol("gtk_scrolled_window_new"); 733 fp_gtk_separator_menu_item_new = 734 dl_symbol("gtk_separator_menu_item_new"); 735 fp_gtk_text_view_new = dl_symbol("gtk_text_view_new"); 736 fp_gtk_toggle_button_new = 737 dl_symbol("gtk_toggle_button_new"); 738 fp_gtk_toolbar_new = dl_symbol("gtk_toolbar_new"); 739 fp_gtk_tree_view_new = dl_symbol("gtk_tree_view_new"); 740 fp_gtk_viewport_new = dl_symbol("gtk_viewport_new"); 741 fp_gtk_window_new = dl_symbol("gtk_window_new"); 742 fp_gtk_window_present = dl_symbol("gtk_window_present"); 743 fp_gtk_window_move = dl_symbol("gtk_window_move"); 744 fp_gtk_window_resize = dl_symbol("gtk_window_resize"); 745 746 fp_gtk_dialog_new = dl_symbol("gtk_dialog_new"); 747 fp_gtk_frame_new = dl_symbol("gtk_frame_new"); 748 749 fp_gtk_adjustment_new = dl_symbol("gtk_adjustment_new"); 750 fp_gtk_container_add = dl_symbol("gtk_container_add"); 751 fp_gtk_menu_shell_append = 752 dl_symbol("gtk_menu_shell_append"); 753 fp_gtk_widget_realize = dl_symbol("gtk_widget_realize"); 754 fp_gtk_widget_destroy = dl_symbol("gtk_widget_destroy"); 755 fp_gtk_widget_render_icon = 756 dl_symbol("gtk_widget_render_icon"); 757 fp_gtk_widget_set_name = 758 dl_symbol("gtk_widget_set_name"); 759 fp_gtk_widget_set_parent = 760 dl_symbol("gtk_widget_set_parent"); 761 fp_gtk_widget_set_direction = 762 dl_symbol("gtk_widget_set_direction"); 763 fp_gtk_widget_style_get = 764 dl_symbol("gtk_widget_style_get"); 765 fp_gtk_widget_class_install_style_property = 766 dl_symbol("gtk_widget_class_install_style_property"); 767 fp_gtk_widget_class_find_style_property = 768 dl_symbol("gtk_widget_class_find_style_property"); 769 fp_gtk_widget_style_get_property = 770 dl_symbol("gtk_widget_style_get_property"); 771 fp_pango_font_description_to_string = 772 dl_symbol("pango_font_description_to_string"); 773 fp_gtk_settings_get_default = 774 dl_symbol("gtk_settings_get_default"); 775 fp_gtk_widget_get_settings = 776 dl_symbol("gtk_widget_get_settings"); 777 fp_gtk_border_get_type = dl_symbol("gtk_border_get_type"); 778 fp_gtk_arrow_set = dl_symbol("gtk_arrow_set"); 779 fp_gtk_widget_size_request = 780 dl_symbol("gtk_widget_size_request"); 781 fp_gtk_range_get_adjustment = 782 dl_symbol("gtk_range_get_adjustment"); 783 784 fp_gtk_widget_hide = dl_symbol("gtk_widget_hide"); 785 fp_gtk_main_quit = dl_symbol("gtk_main_quit"); 786 fp_g_signal_connect_data = dl_symbol("g_signal_connect_data"); 787 fp_gtk_widget_show = dl_symbol("gtk_widget_show"); 788 fp_gtk_main = dl_symbol("gtk_main"); 789 790 fp_g_path_get_dirname = dl_symbol("g_path_get_dirname"); 791 792 /** 793 * GLib thread system 794 */ 795 if (GLIB_CHECK_VERSION(2, 20, 0)) { 796 fp_g_thread_get_initialized = dl_symbol_gthread("g_thread_get_initialized"); 797 } 798 fp_g_thread_init = dl_symbol_gthread("g_thread_init"); 799 fp_gdk_threads_init = dl_symbol("gdk_threads_init"); 800 fp_gdk_threads_enter = dl_symbol("gdk_threads_enter"); 801 fp_gdk_threads_leave = dl_symbol("gdk_threads_leave"); 802 803 /** 804 * Functions for sun_awt_X11_GtkFileDialogPeer.c 805 */ 806 if (fp_gtk_check_version(2, 4, 0) == NULL) { 807 // The current GtkFileChooser is available from GTK+ 2.4 808 gtk2_file_chooser_load(); 809 } 810 811 /* Some functions may be missing in pre-2.4 GTK. 812 We handle them specially here. 813 */ 814 fp_gtk_combo_box_new = dlsym(gtk2_libhandle, "gtk_combo_box_new"); 815 if (fp_gtk_combo_box_new == NULL) { 816 fp_gtk_combo_box_new = dl_symbol("gtk_combo_new"); 817 } 818 819 fp_gtk_combo_box_entry_new = 820 dlsym(gtk2_libhandle, "gtk_combo_box_entry_new"); 821 if (fp_gtk_combo_box_entry_new == NULL) { 822 fp_gtk_combo_box_entry_new = dl_symbol("gtk_combo_new"); 823 new_combo = FALSE; 824 } 825 826 fp_gtk_separator_tool_item_new = 827 dlsym(gtk2_libhandle, "gtk_separator_tool_item_new"); 828 if (fp_gtk_separator_tool_item_new == NULL) { 829 fp_gtk_separator_tool_item_new = 830 dl_symbol("gtk_vseparator_new"); 831 } 832 } 833 /* Now we have only one kind of exceptions: NO_SYMBOL_EXCEPTION 834 * Otherwise we can check the return value of setjmp method. 835 */ 836 else 837 { 838 dlclose(gtk2_libhandle); 839 gtk2_libhandle = NULL; 840 841 dlclose(gthread_libhandle); 842 gthread_libhandle = NULL; 843 844 return FALSE; 845 } 846 847 /* 848 * Strip the AT-SPI GTK_MODULEs if present 849 */ 850 gtk_modules_env = getenv ("GTK_MODULES"); 851 852 if (gtk_modules_env && strstr (gtk_modules_env, "atk-bridge") || 853 gtk_modules_env && strstr (gtk_modules_env, "gail")) 854 { 855 /* the new env will be smaller than the old one */ 856 gchar *s, *new_env = SAFE_SIZE_STRUCT_ALLOC(malloc, 857 sizeof(ENV_PREFIX), 1, strlen (gtk_modules_env)); 858 859 if (new_env != NULL ) 860 { 861 /* careful, strtok modifies its args */ 862 gchar *tmp_env = strdup (gtk_modules_env); 863 strcpy(new_env, ENV_PREFIX); 864 865 /* strip out 'atk-bridge' and 'gail' */ 866 size_t PREFIX_LENGTH = strlen(ENV_PREFIX); 867 while (s = strtok(tmp_env, ":")) 868 { 869 if ((!strstr (s, "atk-bridge")) && (!strstr (s, "gail"))) 870 { 871 if (strlen (new_env) > PREFIX_LENGTH) { 872 new_env = strcat (new_env, ":"); 873 } 874 new_env = strcat(new_env, s); 875 } 876 if (tmp_env) 877 { 878 free (tmp_env); 879 tmp_env = NULL; /* next call to strtok arg1==NULL */ 880 } 881 } 882 putenv (new_env); 883 free (new_env); 884 free (tmp_env); 885 } 886 } 887 888 /* 889 * GTK should be initialized with gtk_init_check() before use. 890 * 891 * gtk_init_check installs its own error handlers. It is critical that 892 * we preserve error handler set from AWT. Otherwise we'll crash on 893 * BadMatch errors which we would normally ignore. The IO error handler 894 * is preserved here, too, just for consistency. 895 */ 896 AWT_LOCK(); 897 handler = XSetErrorHandler(NULL); 898 io_handler = XSetIOErrorHandler(NULL); 899 900 if (fp_gtk_check_version(2, 2, 0) == NULL) { 901 jclass clazz = (*env)->FindClass(env, "sun/misc/GThreadHelper"); 902 jmethodID mid_getAndSetInitializationNeededFlag = 903 (*env)->GetStaticMethodID(env, clazz, "getAndSetInitializationNeededFlag", "()Z"); 904 jmethodID mid_lock = (*env)->GetStaticMethodID(env, clazz, "lock", "()V"); 905 jmethodID mid_unlock = (*env)->GetStaticMethodID(env, clazz, "unlock", "()V"); 906 907 // Init the thread system to use GLib in a thread-safe mode 908 (*env)->CallStaticVoidMethod(env, clazz, mid_lock); 909 if ((*env)->ExceptionCheck(env)) { 910 AWT_UNLOCK(); 911 return FALSE; 912 } 913 914 // Calling g_thread_init() multiple times leads to crash on GLib < 2.24 915 // We can use g_thread_get_initialized () but it is available only for 916 // GLib >= 2.20. We rely on GThreadHelper for GLib < 2.20. 917 gboolean is_g_thread_get_initialized = FALSE; 918 if (GLIB_CHECK_VERSION(2, 20, 0)) { 919 is_g_thread_get_initialized = fp_g_thread_get_initialized(); 920 } 921 922 if (!(*env)->CallStaticBooleanMethod(env, clazz, mid_getAndSetInitializationNeededFlag)) { 923 if (!is_g_thread_get_initialized) { 924 fp_g_thread_init(NULL); 925 } 926 927 //According the GTK documentation, gdk_threads_init() should be 928 //called before gtk_init() or gtk_init_check() 929 fp_gdk_threads_init(); 930 } 931 jthrowable pendExcpn = NULL; 932 // Exception raised during mid_getAndSetInitializationNeededFlag 933 // call is saved and error handling is done 934 // after unlock method is called 935 if ((pendExcpn = (*env)->ExceptionOccurred(env)) != NULL) { 936 (*env)->ExceptionClear(env); 937 } 938 (*env)->CallStaticVoidMethod(env, clazz, mid_unlock); 939 if (pendExcpn != NULL) { 940 (*env)->Throw(env, pendExcpn); 941 } 942 // check if any exception occured during mid_unlock call 943 if ((*env)->ExceptionCheck(env)) { 944 AWT_UNLOCK(); 945 return FALSE; 946 } 947 } 948 result = (*fp_gtk_init_check)(NULL, NULL); 949 950 XSetErrorHandler(handler); 951 XSetIOErrorHandler(io_handler); 952 AWT_UNLOCK(); 953 954 /* Initialize widget array. */ 955 for (i = 0; i < _GTK_WIDGET_TYPE_SIZE; i++) 956 { 957 gtk2_widgets[i] = NULL; 958 } 959 960 return result; 961 } 962 963 int gtk2_unload() 964 { 965 int i; 966 char *gtk2_error; 967 968 if (!gtk2_libhandle) 969 return TRUE; 970 971 /* Release painting objects */ 972 if (gtk2_white_pixmap != NULL) { 973 (*fp_g_object_unref)(gtk2_white_pixmap); 974 (*fp_g_object_unref)(gtk2_black_pixmap); 975 (*fp_g_object_unref)(gtk2_white_pixbuf); 976 (*fp_g_object_unref)(gtk2_black_pixbuf); 977 gtk2_white_pixmap = gtk2_black_pixmap = 978 gtk2_white_pixbuf = gtk2_black_pixbuf = NULL; 979 } 980 gtk2_pixbuf_width = 0; 981 gtk2_pixbuf_height = 0; 982 983 if (gtk2_window != NULL) { 984 /* Destroying toplevel widget will destroy all contained widgets */ 985 (*fp_gtk_widget_destroy)(gtk2_window); 986 987 /* Unset some static data so they get reinitialized on next load */ 988 gtk2_window = NULL; 989 } 990 991 dlerror(); 992 dlclose(gtk2_libhandle); 993 dlclose(gthread_libhandle); 994 if ((gtk2_error = dlerror()) != NULL) 995 { 996 return FALSE; 997 } 998 return TRUE; 999 } 1000 1001 /* Dispatch all pending events from the GTK event loop. 1002 * This is needed to catch theme change and update widgets' style. 1003 */ 1004 void flush_gtk_event_loop() 1005 { 1006 while( (*fp_g_main_context_iteration)(NULL, FALSE)); 1007 } 1008 1009 /* 1010 * Initialize components of containment hierarchy. This creates a GtkFixed 1011 * inside a GtkWindow. All widgets get realized. 1012 */ 1013 static void init_containers() 1014 { 1015 if (gtk2_window == NULL) 1016 { 1017 gtk2_window = (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL); 1018 gtk2_fixed = (GtkFixed *)(*fp_gtk_fixed_new)(); 1019 (*fp_gtk_container_add)((GtkContainer*)gtk2_window, 1020 (GtkWidget *)gtk2_fixed); 1021 (*fp_gtk_widget_realize)(gtk2_window); 1022 (*fp_gtk_widget_realize)((GtkWidget *)gtk2_fixed); 1023 } 1024 } 1025 1026 /* 1027 * Ensure everything is ready for drawing an element of the specified width 1028 * and height. 1029 * 1030 * We should somehow handle translucent images. GTK can draw to X Drawables 1031 * only, which don't support alpha. When we retrieve the image back from 1032 * the server, translucency information is lost. There're several ways to 1033 * work around this: 1034 * 1) Subclass GdkPixmap and cache translucent objects on client side. This 1035 * requires us to implement parts of X server drawing logic on client side. 1036 * Many X requests can potentially be "translucent"; e.g. XDrawLine with 1037 * fill=tile and a translucent tile is a "translucent" operation, whereas 1038 * XDrawLine with fill=solid is an "opaque" one. Moreover themes can (and some 1039 * do) intermix transparent and opaque operations which makes caching even 1040 * more problematic. 1041 * 2) Use Xorg 32bit ARGB visual when available. GDK has no native support 1042 * for it (as of version 2.6). Also even in JDS 3 Xorg does not support 1043 * these visuals by default, which makes optimizing for them pointless. 1044 * We can consider doing this at a later point when ARGB visuals become more 1045 * popular. 1046 * 3') GTK has plans to use Cairo as its graphical backend (presumably in 1047 * 2.8), and Cairo supports alpha. With it we could also get rid of the 1048 * unnecessary round trip to server and do all the drawing on client side. 1049 * 4) For now we draw to two different pixmaps and restore alpha channel by 1050 * comparing results. This can be optimized by using subclassed pixmap and 1051 * doing the second drawing only if necessary. 1052 */ 1053 void gtk2_init_painting(JNIEnv *env, gint width, gint height) 1054 { 1055 GdkGC *gc; 1056 GdkPixbuf *white, *black; 1057 1058 init_containers(); 1059 1060 if (gtk2_pixbuf_width < width || gtk2_pixbuf_height < height) 1061 { 1062 white = (*fp_gdk_pixbuf_new)(GDK_COLORSPACE_RGB, TRUE, 8, width, height); 1063 black = (*fp_gdk_pixbuf_new)(GDK_COLORSPACE_RGB, TRUE, 8, width, height); 1064 1065 if (white == NULL || black == NULL) 1066 { 1067 snprintf(convertionBuffer, CONV_BUFFER_SIZE, "Couldn't create pixbuf of size %dx%d", width, height); 1068 throw_exception(env, "java/lang/RuntimeException", convertionBuffer); 1069 fp_gdk_threads_leave(); 1070 return; 1071 } 1072 1073 if (gtk2_white_pixmap != NULL) { 1074 /* free old stuff */ 1075 (*fp_g_object_unref)(gtk2_white_pixmap); 1076 (*fp_g_object_unref)(gtk2_black_pixmap); 1077 (*fp_g_object_unref)(gtk2_white_pixbuf); 1078 (*fp_g_object_unref)(gtk2_black_pixbuf); 1079 } 1080 1081 gtk2_white_pixmap = (*fp_gdk_pixmap_new)(gtk2_window->window, width, height, -1); 1082 gtk2_black_pixmap = (*fp_gdk_pixmap_new)(gtk2_window->window, width, height, -1); 1083 1084 gtk2_white_pixbuf = white; 1085 gtk2_black_pixbuf = black; 1086 1087 gtk2_pixbuf_width = width; 1088 gtk2_pixbuf_height = height; 1089 } 1090 1091 /* clear the pixmaps */ 1092 gc = (*fp_gdk_gc_new)(gtk2_white_pixmap); 1093 (*fp_gdk_rgb_gc_set_foreground)(gc, 0xffffff); 1094 (*fp_gdk_draw_rectangle)(gtk2_white_pixmap, gc, TRUE, 0, 0, width, height); 1095 (*fp_g_object_unref)(gc); 1096 1097 gc = (*fp_gdk_gc_new)(gtk2_black_pixmap); 1098 (*fp_gdk_rgb_gc_set_foreground)(gc, 0x000000); 1099 (*fp_gdk_draw_rectangle)(gtk2_black_pixmap, gc, TRUE, 0, 0, width, height); 1100 (*fp_g_object_unref)(gc); 1101 } 1102 1103 /* 1104 * Restore image from white and black pixmaps and copy it into destination 1105 * buffer. This method compares two pixbufs taken from white and black 1106 * pixmaps and decodes color and alpha components. Pixbufs are RGB without 1107 * alpha, destination buffer is ABGR. 1108 * 1109 * The return value is the transparency type of the resulting image, either 1110 * one of java_awt_Transparency_OPAQUE, java_awt_Transparency_BITMASK, and 1111 * java_awt_Transparency_TRANSLUCENT. 1112 */ 1113 gint gtk2_copy_image(gint *dst, gint width, gint height) 1114 { 1115 gint i, j, r, g, b; 1116 guchar *white, *black; 1117 gint stride, padding; 1118 gboolean is_opaque = TRUE; 1119 gboolean is_bitmask = TRUE; 1120 1121 (*fp_gdk_pixbuf_get_from_drawable)(gtk2_white_pixbuf, gtk2_white_pixmap, 1122 NULL, 0, 0, 0, 0, width, height); 1123 (*fp_gdk_pixbuf_get_from_drawable)(gtk2_black_pixbuf, gtk2_black_pixmap, 1124 NULL, 0, 0, 0, 0, width, height); 1125 1126 white = (*fp_gdk_pixbuf_get_pixels)(gtk2_white_pixbuf); 1127 black = (*fp_gdk_pixbuf_get_pixels)(gtk2_black_pixbuf); 1128 stride = (*fp_gdk_pixbuf_get_rowstride)(gtk2_black_pixbuf); 1129 padding = stride - width * 4; 1130 1131 for (i = 0; i < height; i++) { 1132 for (j = 0; j < width; j++) { 1133 int r1 = *white++; 1134 int r2 = *black++; 1135 int alpha = 0xff + r2 - r1; 1136 1137 switch (alpha) { 1138 case 0: /* transparent pixel */ 1139 r = g = b = 0; 1140 black += 3; 1141 white += 3; 1142 is_opaque = FALSE; 1143 break; 1144 1145 case 0xff: /* opaque pixel */ 1146 r = r2; 1147 g = *black++; 1148 b = *black++; 1149 black++; 1150 white += 3; 1151 break; 1152 1153 default: /* translucent pixel */ 1154 r = 0xff * r2 / alpha; 1155 g = 0xff * *black++ / alpha; 1156 b = 0xff * *black++ / alpha; 1157 black++; 1158 white += 3; 1159 is_opaque = FALSE; 1160 is_bitmask = FALSE; 1161 break; 1162 } 1163 1164 *dst++ = (alpha << 24 | r << 16 | g << 8 | b); 1165 } 1166 1167 white += padding; 1168 black += padding; 1169 } 1170 return is_opaque ? java_awt_Transparency_OPAQUE : 1171 (is_bitmask ? java_awt_Transparency_BITMASK : 1172 java_awt_Transparency_TRANSLUCENT); 1173 } 1174 1175 static void 1176 gtk2_set_direction(GtkWidget *widget, GtkTextDirection dir) 1177 { 1178 /* 1179 * Some engines (inexplicably) look at the direction of the widget's 1180 * parent, so we need to set the direction of both the widget and its 1181 * parent. 1182 */ 1183 (*fp_gtk_widget_set_direction)(widget, dir); 1184 if (widget->parent != NULL) { 1185 (*fp_gtk_widget_set_direction)(widget->parent, dir); 1186 } 1187 } 1188 1189 /* 1190 * Initializes the widget to correct state for some engines. 1191 * This is a pure empirical method. 1192 */ 1193 static void init_toggle_widget(WidgetType widget_type, gint synth_state) 1194 { 1195 gboolean is_active = ((synth_state & SELECTED) != 0); 1196 1197 if (widget_type == RADIO_BUTTON || 1198 widget_type == CHECK_BOX || 1199 widget_type == TOGGLE_BUTTON) { 1200 ((GtkToggleButton*)gtk2_widget)->active = is_active; 1201 } 1202 1203 if ((synth_state & FOCUSED) != 0) { 1204 ((GtkObject*)gtk2_widget)->flags |= GTK_HAS_FOCUS; 1205 } else { 1206 ((GtkObject*)gtk2_widget)->flags &= ~GTK_HAS_FOCUS; 1207 } 1208 1209 if ((synth_state & MOUSE_OVER) != 0 && (synth_state & PRESSED) == 0 || 1210 (synth_state & FOCUSED) != 0 && (synth_state & PRESSED) != 0) { 1211 gtk2_widget->state = GTK_STATE_PRELIGHT; 1212 } else if ((synth_state & DISABLED) != 0) { 1213 gtk2_widget->state = GTK_STATE_INSENSITIVE; 1214 } else { 1215 gtk2_widget->state = is_active ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL; 1216 } 1217 } 1218 1219 /* GTK state_type filter */ 1220 static GtkStateType get_gtk_state_type(WidgetType widget_type, gint synth_state) 1221 { 1222 GtkStateType result = GTK_STATE_NORMAL; 1223 1224 if ((synth_state & DISABLED) != 0) { 1225 result = GTK_STATE_INSENSITIVE; 1226 } else if ((synth_state & PRESSED) != 0) { 1227 result = GTK_STATE_ACTIVE; 1228 } else if ((synth_state & MOUSE_OVER) != 0) { 1229 result = GTK_STATE_PRELIGHT; 1230 } 1231 return result; 1232 } 1233 1234 /* GTK shadow_type filter */ 1235 static GtkShadowType get_gtk_shadow_type(WidgetType widget_type, gint synth_state) 1236 { 1237 GtkShadowType result = GTK_SHADOW_OUT; 1238 1239 if ((synth_state & SELECTED) != 0) { 1240 result = GTK_SHADOW_IN; 1241 } 1242 return result; 1243 } 1244 1245 1246 static GtkWidget* gtk2_get_arrow(GtkArrowType arrow_type, GtkShadowType shadow_type) 1247 { 1248 GtkWidget *arrow = NULL; 1249 if (NULL == gtk2_widgets[_GTK_ARROW_TYPE]) 1250 { 1251 gtk2_widgets[_GTK_ARROW_TYPE] = (*fp_gtk_arrow_new)(arrow_type, shadow_type); 1252 (*fp_gtk_container_add)((GtkContainer *)gtk2_fixed, gtk2_widgets[_GTK_ARROW_TYPE]); 1253 (*fp_gtk_widget_realize)(gtk2_widgets[_GTK_ARROW_TYPE]); 1254 } 1255 arrow = gtk2_widgets[_GTK_ARROW_TYPE]; 1256 1257 (*fp_gtk_arrow_set)(arrow, arrow_type, shadow_type); 1258 return arrow; 1259 } 1260 1261 static GtkAdjustment* create_adjustment() 1262 { 1263 return (GtkAdjustment *) 1264 (*fp_gtk_adjustment_new)(50.0, 0.0, 100.0, 10.0, 20.0, 20.0); 1265 } 1266 1267 /** 1268 * Returns a pointer to the cached native widget for the specified widget 1269 * type. 1270 */ 1271 static GtkWidget *gtk2_get_widget(WidgetType widget_type) 1272 { 1273 gboolean init_result = FALSE; 1274 GtkWidget *result = NULL; 1275 switch (widget_type) 1276 { 1277 case BUTTON: 1278 case TABLE_HEADER: 1279 if (init_result = (NULL == gtk2_widgets[_GTK_BUTTON_TYPE])) 1280 { 1281 gtk2_widgets[_GTK_BUTTON_TYPE] = (*fp_gtk_button_new)(); 1282 } 1283 result = gtk2_widgets[_GTK_BUTTON_TYPE]; 1284 break; 1285 case CHECK_BOX: 1286 if (init_result = (NULL == gtk2_widgets[_GTK_CHECK_BUTTON_TYPE])) 1287 { 1288 gtk2_widgets[_GTK_CHECK_BUTTON_TYPE] = 1289 (*fp_gtk_check_button_new)(); 1290 } 1291 result = gtk2_widgets[_GTK_CHECK_BUTTON_TYPE]; 1292 break; 1293 case CHECK_BOX_MENU_ITEM: 1294 if (init_result = (NULL == gtk2_widgets[_GTK_CHECK_MENU_ITEM_TYPE])) 1295 { 1296 gtk2_widgets[_GTK_CHECK_MENU_ITEM_TYPE] = 1297 (*fp_gtk_check_menu_item_new)(); 1298 } 1299 result = gtk2_widgets[_GTK_CHECK_MENU_ITEM_TYPE]; 1300 break; 1301 /************************************************************ 1302 * Creation a dedicated color chooser is dangerous because 1303 * it deadlocks the EDT 1304 ************************************************************/ 1305 /* case COLOR_CHOOSER: 1306 if (init_result = 1307 (NULL == gtk2_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE])) 1308 { 1309 gtk2_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE] = 1310 (*fp_gtk_color_selection_dialog_new)(NULL); 1311 } 1312 result = gtk2_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE]; 1313 break;*/ 1314 case COMBO_BOX: 1315 if (init_result = (NULL == gtk2_widgets[_GTK_COMBO_BOX_TYPE])) 1316 { 1317 gtk2_widgets[_GTK_COMBO_BOX_TYPE] = 1318 (*fp_gtk_combo_box_new)(); 1319 } 1320 result = gtk2_widgets[_GTK_COMBO_BOX_TYPE]; 1321 break; 1322 case COMBO_BOX_ARROW_BUTTON: 1323 if (init_result = 1324 (NULL == gtk2_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE])) 1325 { 1326 gtk2_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE] = 1327 (*fp_gtk_toggle_button_new)(); 1328 } 1329 result = gtk2_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE]; 1330 break; 1331 case COMBO_BOX_TEXT_FIELD: 1332 if (init_result = 1333 (NULL == gtk2_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE])) 1334 { 1335 result = gtk2_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE] = 1336 (*fp_gtk_entry_new)(); 1337 } 1338 result = gtk2_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE]; 1339 break; 1340 case DESKTOP_ICON: 1341 case INTERNAL_FRAME_TITLE_PANE: 1342 case LABEL: 1343 if (init_result = (NULL == gtk2_widgets[_GTK_LABEL_TYPE])) 1344 { 1345 gtk2_widgets[_GTK_LABEL_TYPE] = 1346 (*fp_gtk_label_new)(NULL); 1347 } 1348 result = gtk2_widgets[_GTK_LABEL_TYPE]; 1349 break; 1350 case DESKTOP_PANE: 1351 case PANEL: 1352 case ROOT_PANE: 1353 if (init_result = (NULL == gtk2_widgets[_GTK_CONTAINER_TYPE])) 1354 { 1355 /* There is no constructor for a container type. I've 1356 * chosen GtkFixed container since it has a default 1357 * constructor. 1358 */ 1359 gtk2_widgets[_GTK_CONTAINER_TYPE] = 1360 (*fp_gtk_fixed_new)(); 1361 } 1362 result = gtk2_widgets[_GTK_CONTAINER_TYPE]; 1363 break; 1364 case EDITOR_PANE: 1365 case TEXT_AREA: 1366 case TEXT_PANE: 1367 if (init_result = (NULL == gtk2_widgets[_GTK_TEXT_VIEW_TYPE])) 1368 { 1369 gtk2_widgets[_GTK_TEXT_VIEW_TYPE] = 1370 (*fp_gtk_text_view_new)(); 1371 } 1372 result = gtk2_widgets[_GTK_TEXT_VIEW_TYPE]; 1373 break; 1374 case FORMATTED_TEXT_FIELD: 1375 case PASSWORD_FIELD: 1376 case TEXT_FIELD: 1377 if (init_result = (NULL == gtk2_widgets[_GTK_ENTRY_TYPE])) 1378 { 1379 gtk2_widgets[_GTK_ENTRY_TYPE] = 1380 (*fp_gtk_entry_new)(); 1381 } 1382 result = gtk2_widgets[_GTK_ENTRY_TYPE]; 1383 break; 1384 case HANDLE_BOX: 1385 if (init_result = (NULL == gtk2_widgets[_GTK_HANDLE_BOX_TYPE])) 1386 { 1387 gtk2_widgets[_GTK_HANDLE_BOX_TYPE] = 1388 (*fp_gtk_handle_box_new)(); 1389 } 1390 result = gtk2_widgets[_GTK_HANDLE_BOX_TYPE]; 1391 break; 1392 case HSCROLL_BAR: 1393 case HSCROLL_BAR_BUTTON_LEFT: 1394 case HSCROLL_BAR_BUTTON_RIGHT: 1395 case HSCROLL_BAR_TRACK: 1396 case HSCROLL_BAR_THUMB: 1397 if (init_result = (NULL == gtk2_widgets[_GTK_HSCROLLBAR_TYPE])) 1398 { 1399 gtk2_widgets[_GTK_HSCROLLBAR_TYPE] = 1400 (*fp_gtk_hscrollbar_new)(create_adjustment()); 1401 } 1402 result = gtk2_widgets[_GTK_HSCROLLBAR_TYPE]; 1403 break; 1404 case HSEPARATOR: 1405 if (init_result = (NULL == gtk2_widgets[_GTK_HSEPARATOR_TYPE])) 1406 { 1407 gtk2_widgets[_GTK_HSEPARATOR_TYPE] = 1408 (*fp_gtk_hseparator_new)(); 1409 } 1410 result = gtk2_widgets[_GTK_HSEPARATOR_TYPE]; 1411 break; 1412 case HSLIDER: 1413 case HSLIDER_THUMB: 1414 case HSLIDER_TRACK: 1415 if (init_result = (NULL == gtk2_widgets[_GTK_HSCALE_TYPE])) 1416 { 1417 gtk2_widgets[_GTK_HSCALE_TYPE] = 1418 (*fp_gtk_hscale_new)(NULL); 1419 } 1420 result = gtk2_widgets[_GTK_HSCALE_TYPE]; 1421 break; 1422 case HSPLIT_PANE_DIVIDER: 1423 case SPLIT_PANE: 1424 if (init_result = (NULL == gtk2_widgets[_GTK_HPANED_TYPE])) 1425 { 1426 gtk2_widgets[_GTK_HPANED_TYPE] = (*fp_gtk_hpaned_new)(); 1427 } 1428 result = gtk2_widgets[_GTK_HPANED_TYPE]; 1429 break; 1430 case IMAGE: 1431 if (init_result = (NULL == gtk2_widgets[_GTK_IMAGE_TYPE])) 1432 { 1433 gtk2_widgets[_GTK_IMAGE_TYPE] = (*fp_gtk_image_new)(); 1434 } 1435 result = gtk2_widgets[_GTK_IMAGE_TYPE]; 1436 break; 1437 case INTERNAL_FRAME: 1438 if (init_result = (NULL == gtk2_widgets[_GTK_WINDOW_TYPE])) 1439 { 1440 gtk2_widgets[_GTK_WINDOW_TYPE] = 1441 (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL); 1442 } 1443 result = gtk2_widgets[_GTK_WINDOW_TYPE]; 1444 break; 1445 case TOOL_TIP: 1446 if (init_result = (NULL == gtk2_widgets[_GTK_TOOLTIP_TYPE])) 1447 { 1448 result = (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL); 1449 (*fp_gtk_widget_set_name)(result, "gtk-tooltips"); 1450 gtk2_widgets[_GTK_TOOLTIP_TYPE] = result; 1451 } 1452 result = gtk2_widgets[_GTK_TOOLTIP_TYPE]; 1453 break; 1454 case LIST: 1455 case TABLE: 1456 case TREE: 1457 case TREE_CELL: 1458 if (init_result = (NULL == gtk2_widgets[_GTK_TREE_VIEW_TYPE])) 1459 { 1460 gtk2_widgets[_GTK_TREE_VIEW_TYPE] = 1461 (*fp_gtk_tree_view_new)(); 1462 } 1463 result = gtk2_widgets[_GTK_TREE_VIEW_TYPE]; 1464 break; 1465 case TITLED_BORDER: 1466 if (init_result = (NULL == gtk2_widgets[_GTK_FRAME_TYPE])) 1467 { 1468 gtk2_widgets[_GTK_FRAME_TYPE] = fp_gtk_frame_new(NULL); 1469 } 1470 result = gtk2_widgets[_GTK_FRAME_TYPE]; 1471 break; 1472 case POPUP_MENU: 1473 if (init_result = (NULL == gtk2_widgets[_GTK_MENU_TYPE])) 1474 { 1475 gtk2_widgets[_GTK_MENU_TYPE] = 1476 (*fp_gtk_menu_new)(); 1477 } 1478 result = gtk2_widgets[_GTK_MENU_TYPE]; 1479 break; 1480 case MENU: 1481 case MENU_ITEM: 1482 case MENU_ITEM_ACCELERATOR: 1483 if (init_result = (NULL == gtk2_widgets[_GTK_MENU_ITEM_TYPE])) 1484 { 1485 gtk2_widgets[_GTK_MENU_ITEM_TYPE] = 1486 (*fp_gtk_menu_item_new)(); 1487 } 1488 result = gtk2_widgets[_GTK_MENU_ITEM_TYPE]; 1489 break; 1490 case MENU_BAR: 1491 if (init_result = (NULL == gtk2_widgets[_GTK_MENU_BAR_TYPE])) 1492 { 1493 gtk2_widgets[_GTK_MENU_BAR_TYPE] = 1494 (*fp_gtk_menu_bar_new)(); 1495 } 1496 result = gtk2_widgets[_GTK_MENU_BAR_TYPE]; 1497 break; 1498 case COLOR_CHOOSER: 1499 case OPTION_PANE: 1500 if (init_result = (NULL == gtk2_widgets[_GTK_DIALOG_TYPE])) 1501 { 1502 gtk2_widgets[_GTK_DIALOG_TYPE] = 1503 (*fp_gtk_dialog_new)(); 1504 } 1505 result = gtk2_widgets[_GTK_DIALOG_TYPE]; 1506 break; 1507 case POPUP_MENU_SEPARATOR: 1508 if (init_result = 1509 (NULL == gtk2_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE])) 1510 { 1511 gtk2_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE] = 1512 (*fp_gtk_separator_menu_item_new)(); 1513 } 1514 result = gtk2_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE]; 1515 break; 1516 case HPROGRESS_BAR: 1517 if (init_result = (NULL == gtk2_widgets[_GTK_HPROGRESS_BAR_TYPE])) 1518 { 1519 gtk2_widgets[_GTK_HPROGRESS_BAR_TYPE] = 1520 (*fp_gtk_progress_bar_new)(); 1521 } 1522 result = gtk2_widgets[_GTK_HPROGRESS_BAR_TYPE]; 1523 break; 1524 case VPROGRESS_BAR: 1525 if (init_result = (NULL == gtk2_widgets[_GTK_VPROGRESS_BAR_TYPE])) 1526 { 1527 gtk2_widgets[_GTK_VPROGRESS_BAR_TYPE] = 1528 (*fp_gtk_progress_bar_new)(); 1529 /* 1530 * Vertical JProgressBars always go bottom-to-top, 1531 * regardless of the ComponentOrientation. 1532 */ 1533 (*fp_gtk_progress_bar_set_orientation)( 1534 (GtkProgressBar *)gtk2_widgets[_GTK_VPROGRESS_BAR_TYPE], 1535 GTK_PROGRESS_BOTTOM_TO_TOP); 1536 } 1537 result = gtk2_widgets[_GTK_VPROGRESS_BAR_TYPE]; 1538 break; 1539 case RADIO_BUTTON: 1540 if (init_result = (NULL == gtk2_widgets[_GTK_RADIO_BUTTON_TYPE])) 1541 { 1542 gtk2_widgets[_GTK_RADIO_BUTTON_TYPE] = 1543 (*fp_gtk_radio_button_new)(NULL); 1544 } 1545 result = gtk2_widgets[_GTK_RADIO_BUTTON_TYPE]; 1546 break; 1547 case RADIO_BUTTON_MENU_ITEM: 1548 if (init_result = 1549 (NULL == gtk2_widgets[_GTK_RADIO_MENU_ITEM_TYPE])) 1550 { 1551 gtk2_widgets[_GTK_RADIO_MENU_ITEM_TYPE] = 1552 (*fp_gtk_radio_menu_item_new)(NULL); 1553 } 1554 result = gtk2_widgets[_GTK_RADIO_MENU_ITEM_TYPE]; 1555 break; 1556 case SCROLL_PANE: 1557 if (init_result = 1558 (NULL == gtk2_widgets[_GTK_SCROLLED_WINDOW_TYPE])) 1559 { 1560 gtk2_widgets[_GTK_SCROLLED_WINDOW_TYPE] = 1561 (*fp_gtk_scrolled_window_new)(NULL, NULL); 1562 } 1563 result = gtk2_widgets[_GTK_SCROLLED_WINDOW_TYPE]; 1564 break; 1565 case SPINNER: 1566 case SPINNER_ARROW_BUTTON: 1567 case SPINNER_TEXT_FIELD: 1568 if (init_result = (NULL == gtk2_widgets[_GTK_SPIN_BUTTON_TYPE])) 1569 { 1570 result = gtk2_widgets[_GTK_SPIN_BUTTON_TYPE] = 1571 (*fp_gtk_spin_button_new)(NULL, 0, 0); 1572 } 1573 result = gtk2_widgets[_GTK_SPIN_BUTTON_TYPE]; 1574 break; 1575 case TABBED_PANE: 1576 case TABBED_PANE_TAB_AREA: 1577 case TABBED_PANE_CONTENT: 1578 case TABBED_PANE_TAB: 1579 if (init_result = (NULL == gtk2_widgets[_GTK_NOTEBOOK_TYPE])) 1580 { 1581 gtk2_widgets[_GTK_NOTEBOOK_TYPE] = 1582 (*fp_gtk_notebook_new)(NULL); 1583 } 1584 result = gtk2_widgets[_GTK_NOTEBOOK_TYPE]; 1585 break; 1586 case TOGGLE_BUTTON: 1587 if (init_result = (NULL == gtk2_widgets[_GTK_TOGGLE_BUTTON_TYPE])) 1588 { 1589 gtk2_widgets[_GTK_TOGGLE_BUTTON_TYPE] = 1590 (*fp_gtk_toggle_button_new)(NULL); 1591 } 1592 result = gtk2_widgets[_GTK_TOGGLE_BUTTON_TYPE]; 1593 break; 1594 case TOOL_BAR: 1595 case TOOL_BAR_DRAG_WINDOW: 1596 if (init_result = (NULL == gtk2_widgets[_GTK_TOOLBAR_TYPE])) 1597 { 1598 gtk2_widgets[_GTK_TOOLBAR_TYPE] = 1599 (*fp_gtk_toolbar_new)(NULL); 1600 } 1601 result = gtk2_widgets[_GTK_TOOLBAR_TYPE]; 1602 break; 1603 case TOOL_BAR_SEPARATOR: 1604 if (init_result = 1605 (NULL == gtk2_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE])) 1606 { 1607 gtk2_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE] = 1608 (*fp_gtk_separator_tool_item_new)(); 1609 } 1610 result = gtk2_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE]; 1611 break; 1612 case VIEWPORT: 1613 if (init_result = (NULL == gtk2_widgets[_GTK_VIEWPORT_TYPE])) 1614 { 1615 GtkAdjustment *adjustment = create_adjustment(); 1616 gtk2_widgets[_GTK_VIEWPORT_TYPE] = 1617 (*fp_gtk_viewport_new)(adjustment, adjustment); 1618 } 1619 result = gtk2_widgets[_GTK_VIEWPORT_TYPE]; 1620 break; 1621 case VSCROLL_BAR: 1622 case VSCROLL_BAR_BUTTON_UP: 1623 case VSCROLL_BAR_BUTTON_DOWN: 1624 case VSCROLL_BAR_TRACK: 1625 case VSCROLL_BAR_THUMB: 1626 if (init_result = (NULL == gtk2_widgets[_GTK_VSCROLLBAR_TYPE])) 1627 { 1628 gtk2_widgets[_GTK_VSCROLLBAR_TYPE] = 1629 (*fp_gtk_vscrollbar_new)(create_adjustment()); 1630 } 1631 result = gtk2_widgets[_GTK_VSCROLLBAR_TYPE]; 1632 break; 1633 case VSEPARATOR: 1634 if (init_result = (NULL == gtk2_widgets[_GTK_VSEPARATOR_TYPE])) 1635 { 1636 gtk2_widgets[_GTK_VSEPARATOR_TYPE] = 1637 (*fp_gtk_vseparator_new)(); 1638 } 1639 result = gtk2_widgets[_GTK_VSEPARATOR_TYPE]; 1640 break; 1641 case VSLIDER: 1642 case VSLIDER_THUMB: 1643 case VSLIDER_TRACK: 1644 if (init_result = (NULL == gtk2_widgets[_GTK_VSCALE_TYPE])) 1645 { 1646 gtk2_widgets[_GTK_VSCALE_TYPE] = 1647 (*fp_gtk_vscale_new)(NULL); 1648 } 1649 result = gtk2_widgets[_GTK_VSCALE_TYPE]; 1650 /* 1651 * Vertical JSliders start at the bottom, while vertical 1652 * GtkVScale widgets start at the top (by default), so to fix 1653 * this we set the "inverted" flag to get the Swing behavior. 1654 */ 1655 ((GtkRange*)result)->inverted = 1; 1656 break; 1657 case VSPLIT_PANE_DIVIDER: 1658 if (init_result = (NULL == gtk2_widgets[_GTK_VPANED_TYPE])) 1659 { 1660 gtk2_widgets[_GTK_VPANED_TYPE] = (*fp_gtk_vpaned_new)(); 1661 } 1662 result = gtk2_widgets[_GTK_VPANED_TYPE]; 1663 break; 1664 default: 1665 result = NULL; 1666 break; 1667 } 1668 1669 if (result != NULL && init_result) 1670 { 1671 if (widget_type == RADIO_BUTTON_MENU_ITEM || 1672 widget_type == CHECK_BOX_MENU_ITEM || 1673 widget_type == MENU_ITEM || 1674 widget_type == MENU || 1675 widget_type == POPUP_MENU_SEPARATOR) 1676 { 1677 GtkWidget *menu = gtk2_get_widget(POPUP_MENU); 1678 (*fp_gtk_menu_shell_append)((GtkMenuShell *)menu, result); 1679 } 1680 else if (widget_type == POPUP_MENU) 1681 { 1682 GtkWidget *menu_bar = gtk2_get_widget(MENU_BAR); 1683 GtkWidget *root_menu = (*fp_gtk_menu_item_new)(); 1684 (*fp_gtk_menu_item_set_submenu)((GtkMenuItem*)root_menu, result); 1685 (*fp_gtk_menu_shell_append)((GtkMenuShell *)menu_bar, root_menu); 1686 } 1687 else if (widget_type == COMBO_BOX_ARROW_BUTTON || 1688 widget_type == COMBO_BOX_TEXT_FIELD) 1689 { 1690 /* 1691 * We add a regular GtkButton/GtkEntry to a GtkComboBoxEntry 1692 * in order to trick engines into thinking it's a real combobox 1693 * arrow button/text field. 1694 */ 1695 GtkWidget *combo = (*fp_gtk_combo_box_entry_new)(); 1696 1697 if (new_combo && widget_type == COMBO_BOX_ARROW_BUTTON) { 1698 (*fp_gtk_widget_set_parent)(result, combo); 1699 ((GtkBin*)combo)->child = result; 1700 } else { 1701 (*fp_gtk_container_add)((GtkContainer *)combo, result); 1702 } 1703 (*fp_gtk_container_add)((GtkContainer *)gtk2_fixed, combo); 1704 } 1705 else if (widget_type != TOOL_TIP && 1706 widget_type != INTERNAL_FRAME && 1707 widget_type != OPTION_PANE) 1708 { 1709 (*fp_gtk_container_add)((GtkContainer *)gtk2_fixed, result); 1710 } 1711 (*fp_gtk_widget_realize)(result); 1712 } 1713 return result; 1714 } 1715 1716 void gtk2_paint_arrow(WidgetType widget_type, GtkStateType state_type, 1717 GtkShadowType shadow_type, const gchar *detail, 1718 gint x, gint y, gint width, gint height, 1719 GtkArrowType arrow_type, gboolean fill) 1720 { 1721 static int w, h; 1722 static GtkRequisition size; 1723 1724 if (widget_type == COMBO_BOX_ARROW_BUTTON || widget_type == TABLE) 1725 gtk2_widget = gtk2_get_arrow(arrow_type, shadow_type); 1726 else 1727 gtk2_widget = gtk2_get_widget(widget_type); 1728 1729 switch (widget_type) 1730 { 1731 case SPINNER_ARROW_BUTTON: 1732 x = 1; 1733 y = ((arrow_type == GTK_ARROW_UP) ? 2 : 0); 1734 height -= 2; 1735 width -= 3; 1736 1737 w = width / 2; 1738 w -= w % 2 - 1; 1739 h = (w + 1) / 2; 1740 break; 1741 1742 case HSCROLL_BAR_BUTTON_LEFT: 1743 case HSCROLL_BAR_BUTTON_RIGHT: 1744 case VSCROLL_BAR_BUTTON_UP: 1745 case VSCROLL_BAR_BUTTON_DOWN: 1746 w = width / 2; 1747 h = height / 2; 1748 break; 1749 1750 case COMBO_BOX_ARROW_BUTTON: 1751 case TABLE: 1752 x = 1; 1753 (*fp_gtk_widget_size_request)(gtk2_widget, &size); 1754 w = size.width - ((GtkMisc*)gtk2_widget)->xpad * 2; 1755 h = size.height - ((GtkMisc*)gtk2_widget)->ypad * 2; 1756 w = h = MIN(MIN(w, h), MIN(width,height)) * 0.7; 1757 break; 1758 1759 default: 1760 w = width; 1761 h = height; 1762 break; 1763 } 1764 x += (width - w) / 2; 1765 y += (height - h) / 2; 1766 1767 (*fp_gtk_paint_arrow)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1768 shadow_type, NULL, gtk2_widget, detail, arrow_type, fill, 1769 x, y, w, h); 1770 (*fp_gtk_paint_arrow)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1771 shadow_type, NULL, gtk2_widget, detail, arrow_type, fill, 1772 x, y, w, h); 1773 } 1774 1775 void gtk2_paint_box(WidgetType widget_type, GtkStateType state_type, 1776 GtkShadowType shadow_type, const gchar *detail, 1777 gint x, gint y, gint width, gint height, 1778 gint synth_state, GtkTextDirection dir) 1779 { 1780 gtk2_widget = gtk2_get_widget(widget_type); 1781 1782 /* 1783 * The clearlooks engine sometimes looks at the widget's state field 1784 * instead of just the state_type variable that we pass in, so to account 1785 * for those cases we set the widget's state field accordingly. The 1786 * flags field is similarly important for things like focus/default state. 1787 */ 1788 gtk2_widget->state = state_type; 1789 1790 if (widget_type == HSLIDER_TRACK) { 1791 /* 1792 * For horizontal JSliders with right-to-left orientation, we need 1793 * to set the "inverted" flag to match the native GTK behavior where 1794 * the foreground highlight is on the right side of the slider thumb. 1795 * This is needed especially for the ubuntulooks engine, which looks 1796 * exclusively at the "inverted" flag to determine on which side of 1797 * the thumb to paint the highlight... 1798 */ 1799 ((GtkRange*)gtk2_widget)->inverted = (dir == GTK_TEXT_DIR_RTL); 1800 1801 /* 1802 * Note however that other engines like clearlooks will look at both 1803 * the "inverted" field and the text direction to determine how 1804 * the foreground highlight is painted: 1805 * !inverted && ltr --> paint highlight on left side 1806 * !inverted && rtl --> paint highlight on right side 1807 * inverted && ltr --> paint highlight on right side 1808 * inverted && rtl --> paint highlight on left side 1809 * So the only way to reliably get the desired results for horizontal 1810 * JSlider (i.e., highlight on left side for LTR ComponentOrientation 1811 * and highlight on right side for RTL ComponentOrientation) is to 1812 * always override text direction as LTR, and then set the "inverted" 1813 * flag accordingly (as we have done above). 1814 */ 1815 dir = GTK_TEXT_DIR_LTR; 1816 } 1817 1818 /* 1819 * Some engines (e.g. clearlooks) will paint the shadow of certain 1820 * widgets (e.g. COMBO_BOX_ARROW_BUTTON) differently depending on the 1821 * the text direction. 1822 */ 1823 gtk2_set_direction(gtk2_widget, dir); 1824 1825 switch (widget_type) { 1826 case BUTTON: 1827 if (synth_state & DEFAULT) { 1828 ((GtkObject*)gtk2_widget)->flags |= GTK_HAS_DEFAULT; 1829 } else { 1830 ((GtkObject*)gtk2_widget)->flags &= ~GTK_HAS_DEFAULT; 1831 } 1832 break; 1833 case TOGGLE_BUTTON: 1834 init_toggle_widget(widget_type, synth_state); 1835 break; 1836 case HSCROLL_BAR_BUTTON_LEFT: 1837 /* 1838 * The clearlooks engine will draw a "left" button when: 1839 * x == w->allocation.x 1840 * 1841 * The ubuntulooks engine will draw a "left" button when: 1842 * [x,y,width,height] 1843 * intersects 1844 * [w->alloc.x,w->alloc.y,width,height] 1845 * 1846 * The values that are set below should ensure that a "left" 1847 * button is rendered for both of these (and other) engines. 1848 */ 1849 gtk2_widget->allocation.x = x; 1850 gtk2_widget->allocation.y = y; 1851 gtk2_widget->allocation.width = width; 1852 gtk2_widget->allocation.height = height; 1853 break; 1854 case HSCROLL_BAR_BUTTON_RIGHT: 1855 /* 1856 * The clearlooks engine will draw a "right" button when: 1857 * x + width == w->allocation.x + w->allocation.width 1858 * 1859 * The ubuntulooks engine will draw a "right" button when: 1860 * [x,y,width,height] 1861 * does not intersect 1862 * [w->alloc.x,w->alloc.y,width,height] 1863 * but does intersect 1864 * [w->alloc.x+width,w->alloc.y,width,height] 1865 * 1866 * The values that are set below should ensure that a "right" 1867 * button is rendered for both of these (and other) engines. 1868 */ 1869 gtk2_widget->allocation.x = x+width; 1870 gtk2_widget->allocation.y = 0; 1871 gtk2_widget->allocation.width = 0; 1872 gtk2_widget->allocation.height = height; 1873 break; 1874 case VSCROLL_BAR_BUTTON_UP: 1875 /* 1876 * The clearlooks engine will draw an "up" button when: 1877 * y == w->allocation.y 1878 * 1879 * The ubuntulooks engine will draw an "up" button when: 1880 * [x,y,width,height] 1881 * intersects 1882 * [w->alloc.x,w->alloc.y,width,height] 1883 * 1884 * The values that are set below should ensure that an "up" 1885 * button is rendered for both of these (and other) engines. 1886 */ 1887 gtk2_widget->allocation.x = x; 1888 gtk2_widget->allocation.y = y; 1889 gtk2_widget->allocation.width = width; 1890 gtk2_widget->allocation.height = height; 1891 break; 1892 case VSCROLL_BAR_BUTTON_DOWN: 1893 /* 1894 * The clearlooks engine will draw a "down" button when: 1895 * y + height == w->allocation.y + w->allocation.height 1896 * 1897 * The ubuntulooks engine will draw a "down" button when: 1898 * [x,y,width,height] 1899 * does not intersect 1900 * [w->alloc.x,w->alloc.y,width,height] 1901 * but does intersect 1902 * [w->alloc.x,w->alloc.y+height,width,height] 1903 * 1904 * The values that are set below should ensure that a "down" 1905 * button is rendered for both of these (and other) engines. 1906 */ 1907 gtk2_widget->allocation.x = x; 1908 gtk2_widget->allocation.y = y+height; 1909 gtk2_widget->allocation.width = width; 1910 gtk2_widget->allocation.height = 0; 1911 break; 1912 default: 1913 break; 1914 } 1915 1916 (*fp_gtk_paint_box)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1917 shadow_type, NULL, gtk2_widget, detail, x, y, width, height); 1918 (*fp_gtk_paint_box)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1919 shadow_type, NULL, gtk2_widget, detail, x, y, width, height); 1920 1921 /* 1922 * Reset the text direction to the default value so that we don't 1923 * accidentally affect other operations and widgets. 1924 */ 1925 gtk2_set_direction(gtk2_widget, GTK_TEXT_DIR_LTR); 1926 } 1927 1928 void gtk2_paint_box_gap(WidgetType widget_type, GtkStateType state_type, 1929 GtkShadowType shadow_type, const gchar *detail, 1930 gint x, gint y, gint width, gint height, 1931 GtkPositionType gap_side, gint gap_x, gint gap_width) 1932 { 1933 /* Clearlooks needs a real clip area to paint the gap properly */ 1934 GdkRectangle area = { x, y, width, height }; 1935 1936 gtk2_widget = gtk2_get_widget(widget_type); 1937 (*fp_gtk_paint_box_gap)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1938 shadow_type, &area, gtk2_widget, detail, 1939 x, y, width, height, gap_side, gap_x, gap_width); 1940 (*fp_gtk_paint_box_gap)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1941 shadow_type, &area, gtk2_widget, detail, 1942 x, y, width, height, gap_side, gap_x, gap_width); 1943 } 1944 1945 void gtk2_paint_check(WidgetType widget_type, gint synth_state, 1946 const gchar *detail, gint x, gint y, gint width, gint height) 1947 { 1948 GtkStateType state_type = get_gtk_state_type(widget_type, synth_state); 1949 GtkShadowType shadow_type = get_gtk_shadow_type(widget_type, synth_state); 1950 1951 gtk2_widget = gtk2_get_widget(widget_type); 1952 init_toggle_widget(widget_type, synth_state); 1953 1954 (*fp_gtk_paint_check)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1955 shadow_type, NULL, gtk2_widget, detail, 1956 x, y, width, height); 1957 (*fp_gtk_paint_check)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1958 shadow_type, NULL, gtk2_widget, detail, 1959 x, y, width, height); 1960 } 1961 1962 void gtk2_paint_diamond(WidgetType widget_type, GtkStateType state_type, 1963 GtkShadowType shadow_type, const gchar *detail, 1964 gint x, gint y, gint width, gint height) 1965 { 1966 gtk2_widget = gtk2_get_widget(widget_type); 1967 (*fp_gtk_paint_diamond)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1968 shadow_type, NULL, gtk2_widget, detail, 1969 x, y, width, height); 1970 (*fp_gtk_paint_diamond)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1971 shadow_type, NULL, gtk2_widget, detail, 1972 x, y, width, height); 1973 } 1974 1975 void gtk2_paint_expander(WidgetType widget_type, GtkStateType state_type, 1976 const gchar *detail, gint x, gint y, gint width, gint height, 1977 GtkExpanderStyle expander_style) 1978 { 1979 gtk2_widget = gtk2_get_widget(widget_type); 1980 (*fp_gtk_paint_expander)(gtk2_widget->style, gtk2_white_pixmap, 1981 state_type, NULL, gtk2_widget, detail, 1982 x + width / 2, y + height / 2, expander_style); 1983 (*fp_gtk_paint_expander)(gtk2_widget->style, gtk2_black_pixmap, 1984 state_type, NULL, gtk2_widget, detail, 1985 x + width / 2, y + height / 2, expander_style); 1986 } 1987 1988 void gtk2_paint_extension(WidgetType widget_type, GtkStateType state_type, 1989 GtkShadowType shadow_type, const gchar *detail, 1990 gint x, gint y, gint width, gint height, GtkPositionType gap_side) 1991 { 1992 gtk2_widget = gtk2_get_widget(widget_type); 1993 (*fp_gtk_paint_extension)(gtk2_widget->style, gtk2_white_pixmap, 1994 state_type, shadow_type, NULL, gtk2_widget, detail, 1995 x, y, width, height, gap_side); 1996 (*fp_gtk_paint_extension)(gtk2_widget->style, gtk2_black_pixmap, 1997 state_type, shadow_type, NULL, gtk2_widget, detail, 1998 x, y, width, height, gap_side); 1999 } 2000 2001 void gtk2_paint_flat_box(WidgetType widget_type, GtkStateType state_type, 2002 GtkShadowType shadow_type, const gchar *detail, 2003 gint x, gint y, gint width, gint height, gboolean has_focus) 2004 { 2005 gtk2_widget = gtk2_get_widget(widget_type); 2006 2007 if (has_focus) 2008 ((GtkObject*)gtk2_widget)->flags |= GTK_HAS_FOCUS; 2009 else 2010 ((GtkObject*)gtk2_widget)->flags &= ~GTK_HAS_FOCUS; 2011 2012 (*fp_gtk_paint_flat_box)(gtk2_widget->style, gtk2_white_pixmap, 2013 state_type, shadow_type, NULL, gtk2_widget, detail, 2014 x, y, width, height); 2015 (*fp_gtk_paint_flat_box)(gtk2_widget->style, gtk2_black_pixmap, 2016 state_type, shadow_type, NULL, gtk2_widget, detail, 2017 x, y, width, height); 2018 } 2019 2020 void gtk2_paint_focus(WidgetType widget_type, GtkStateType state_type, 2021 const char *detail, gint x, gint y, gint width, gint height) 2022 { 2023 gtk2_widget = gtk2_get_widget(widget_type); 2024 (*fp_gtk_paint_focus)(gtk2_widget->style, gtk2_white_pixmap, state_type, 2025 NULL, gtk2_widget, detail, x, y, width, height); 2026 (*fp_gtk_paint_focus)(gtk2_widget->style, gtk2_black_pixmap, state_type, 2027 NULL, gtk2_widget, detail, x, y, width, height); 2028 } 2029 2030 void gtk2_paint_handle(WidgetType widget_type, GtkStateType state_type, 2031 GtkShadowType shadow_type, const gchar *detail, 2032 gint x, gint y, gint width, gint height, GtkOrientation orientation) 2033 { 2034 gtk2_widget = gtk2_get_widget(widget_type); 2035 (*fp_gtk_paint_handle)(gtk2_widget->style, gtk2_white_pixmap, state_type, 2036 shadow_type, NULL, gtk2_widget, detail, 2037 x, y, width, height, orientation); 2038 (*fp_gtk_paint_handle)(gtk2_widget->style, gtk2_black_pixmap, state_type, 2039 shadow_type, NULL, gtk2_widget, detail, 2040 x, y, width, height, orientation); 2041 } 2042 2043 void gtk2_paint_hline(WidgetType widget_type, GtkStateType state_type, 2044 const gchar *detail, gint x, gint y, gint width, gint height) 2045 { 2046 gtk2_widget = gtk2_get_widget(widget_type); 2047 (*fp_gtk_paint_hline)(gtk2_widget->style, gtk2_white_pixmap, state_type, 2048 NULL, gtk2_widget, detail, x, x + width, y); 2049 (*fp_gtk_paint_hline)(gtk2_widget->style, gtk2_black_pixmap, state_type, 2050 NULL, gtk2_widget, detail, x, x + width, y); 2051 } 2052 2053 void gtk2_paint_option(WidgetType widget_type, gint synth_state, 2054 const gchar *detail, gint x, gint y, gint width, gint height) 2055 { 2056 GtkStateType state_type = get_gtk_state_type(widget_type, synth_state); 2057 GtkShadowType shadow_type = get_gtk_shadow_type(widget_type, synth_state); 2058 2059 gtk2_widget = gtk2_get_widget(widget_type); 2060 init_toggle_widget(widget_type, synth_state); 2061 2062 (*fp_gtk_paint_option)(gtk2_widget->style, gtk2_white_pixmap, state_type, 2063 shadow_type, NULL, gtk2_widget, detail, 2064 x, y, width, height); 2065 (*fp_gtk_paint_option)(gtk2_widget->style, gtk2_black_pixmap, state_type, 2066 shadow_type, NULL, gtk2_widget, detail, 2067 x, y, width, height); 2068 } 2069 2070 void gtk2_paint_shadow(WidgetType widget_type, GtkStateType state_type, 2071 GtkShadowType shadow_type, const gchar *detail, 2072 gint x, gint y, gint width, gint height, 2073 gint synth_state, GtkTextDirection dir) 2074 { 2075 gtk2_widget = gtk2_get_widget(widget_type); 2076 2077 /* 2078 * The clearlooks engine sometimes looks at the widget's state field 2079 * instead of just the state_type variable that we pass in, so to account 2080 * for those cases we set the widget's state field accordingly. The 2081 * flags field is similarly important for things like focus state. 2082 */ 2083 gtk2_widget->state = state_type; 2084 2085 /* 2086 * Some engines (e.g. clearlooks) will paint the shadow of certain 2087 * widgets (e.g. COMBO_BOX_TEXT_FIELD) differently depending on the 2088 * the text direction. 2089 */ 2090 gtk2_set_direction(gtk2_widget, dir); 2091 2092 switch (widget_type) { 2093 case COMBO_BOX_TEXT_FIELD: 2094 case FORMATTED_TEXT_FIELD: 2095 case PASSWORD_FIELD: 2096 case SPINNER_TEXT_FIELD: 2097 case TEXT_FIELD: 2098 if (synth_state & FOCUSED) { 2099 ((GtkObject*)gtk2_widget)->flags |= GTK_HAS_FOCUS; 2100 } else { 2101 ((GtkObject*)gtk2_widget)->flags &= ~GTK_HAS_FOCUS; 2102 } 2103 break; 2104 default: 2105 break; 2106 } 2107 2108 (*fp_gtk_paint_shadow)(gtk2_widget->style, gtk2_white_pixmap, state_type, 2109 shadow_type, NULL, gtk2_widget, detail, x, y, width, height); 2110 (*fp_gtk_paint_shadow)(gtk2_widget->style, gtk2_black_pixmap, state_type, 2111 shadow_type, NULL, gtk2_widget, detail, x, y, width, height); 2112 2113 /* 2114 * Reset the text direction to the default value so that we don't 2115 * accidentally affect other operations and widgets. 2116 */ 2117 gtk2_set_direction(gtk2_widget, GTK_TEXT_DIR_LTR); 2118 } 2119 2120 void gtk2_paint_slider(WidgetType widget_type, GtkStateType state_type, 2121 GtkShadowType shadow_type, const gchar *detail, 2122 gint x, gint y, gint width, gint height, GtkOrientation orientation) 2123 { 2124 gtk2_widget = gtk2_get_widget(widget_type); 2125 (*fp_gtk_paint_slider)(gtk2_widget->style, gtk2_white_pixmap, state_type, 2126 shadow_type, NULL, gtk2_widget, detail, 2127 x, y, width, height, orientation); 2128 (*fp_gtk_paint_slider)(gtk2_widget->style, gtk2_black_pixmap, state_type, 2129 shadow_type, NULL, gtk2_widget, detail, 2130 x, y, width, height, orientation); 2131 } 2132 2133 void gtk2_paint_vline(WidgetType widget_type, GtkStateType state_type, 2134 const gchar *detail, gint x, gint y, gint width, gint height) 2135 { 2136 gtk2_widget = gtk2_get_widget(widget_type); 2137 (*fp_gtk_paint_vline)(gtk2_widget->style, gtk2_white_pixmap, state_type, 2138 NULL, gtk2_widget, detail, y, y + height, x); 2139 (*fp_gtk_paint_vline)(gtk2_widget->style, gtk2_black_pixmap, state_type, 2140 NULL, gtk2_widget, detail, y, y + height, x); 2141 } 2142 2143 void gtk_paint_background(WidgetType widget_type, GtkStateType state_type, 2144 gint x, gint y, gint width, gint height) 2145 { 2146 gtk2_widget = gtk2_get_widget(widget_type); 2147 (*fp_gtk_style_apply_default_background)(gtk2_widget->style, 2148 gtk2_white_pixmap, TRUE, state_type, NULL, x, y, width, height); 2149 (*fp_gtk_style_apply_default_background)(gtk2_widget->style, 2150 gtk2_black_pixmap, TRUE, state_type, NULL, x, y, width, height); 2151 } 2152 2153 GdkPixbuf *gtk2_get_stock_icon(gint widget_type, const gchar *stock_id, 2154 GtkIconSize size, GtkTextDirection direction, const char *detail) 2155 { 2156 init_containers(); 2157 gtk2_widget = gtk2_get_widget((widget_type < 0) ? IMAGE : widget_type); 2158 gtk2_widget->state = GTK_STATE_NORMAL; 2159 (*fp_gtk_widget_set_direction)(gtk2_widget, direction); 2160 return (*fp_gtk_widget_render_icon)(gtk2_widget, stock_id, size, detail); 2161 } 2162 2163 /*************************************************/ 2164 gint gtk2_get_xthickness(JNIEnv *env, WidgetType widget_type) 2165 { 2166 init_containers(); 2167 2168 gtk2_widget = gtk2_get_widget(widget_type); 2169 GtkStyle* style = gtk2_widget->style; 2170 return style->xthickness; 2171 } 2172 2173 gint gtk2_get_ythickness(JNIEnv *env, WidgetType widget_type) 2174 { 2175 init_containers(); 2176 2177 gtk2_widget = gtk2_get_widget(widget_type); 2178 GtkStyle* style = gtk2_widget->style; 2179 return style->ythickness; 2180 } 2181 2182 /*************************************************/ 2183 guint8 recode_color(guint16 channel) 2184 { 2185 return (guint8)(channel>>8); 2186 } 2187 2188 gint gtk2_get_color_for_state(JNIEnv *env, WidgetType widget_type, 2189 GtkStateType state_type, ColorType color_type) 2190 { 2191 gint result = 0; 2192 GdkColor *color = NULL; 2193 2194 init_containers(); 2195 2196 gtk2_widget = gtk2_get_widget(widget_type); 2197 GtkStyle* style = gtk2_widget->style; 2198 2199 switch (color_type) 2200 { 2201 case FOREGROUND: 2202 color = &(style->fg[state_type]); 2203 break; 2204 case BACKGROUND: 2205 color = &(style->bg[state_type]); 2206 break; 2207 case TEXT_FOREGROUND: 2208 color = &(style->text[state_type]); 2209 break; 2210 case TEXT_BACKGROUND: 2211 color = &(style->base[state_type]); 2212 break; 2213 case LIGHT: 2214 color = &(style->light[state_type]); 2215 break; 2216 case DARK: 2217 color = &(style->dark[state_type]); 2218 break; 2219 case MID: 2220 color = &(style->mid[state_type]); 2221 break; 2222 case FOCUS: 2223 case BLACK: 2224 color = &(style->black); 2225 break; 2226 case WHITE: 2227 color = &(style->white); 2228 break; 2229 } 2230 2231 if (color) 2232 result = recode_color(color->red) << 16 | 2233 recode_color(color->green) << 8 | 2234 recode_color(color->blue); 2235 2236 return result; 2237 } 2238 2239 /*************************************************/ 2240 jobject create_Boolean(JNIEnv *env, jboolean boolean_value); 2241 jobject create_Integer(JNIEnv *env, jint int_value); 2242 jobject create_Long(JNIEnv *env, jlong long_value); 2243 jobject create_Float(JNIEnv *env, jfloat float_value); 2244 jobject create_Double(JNIEnv *env, jdouble double_value); 2245 jobject create_Character(JNIEnv *env, jchar char_value); 2246 jobject create_Insets(JNIEnv *env, GtkBorder *border); 2247 2248 jobject gtk2_get_class_value(JNIEnv *env, WidgetType widget_type, jstring jkey) 2249 { 2250 init_containers(); 2251 2252 const char* key = getStrFor(env, jkey); 2253 gtk2_widget = gtk2_get_widget(widget_type); 2254 2255 GValue value; 2256 value.g_type = 0; 2257 2258 GParamSpec* param = (*fp_gtk_widget_class_find_style_property)( 2259 ((GTypeInstance*)gtk2_widget)->g_class, key); 2260 if( param ) 2261 { 2262 (*fp_g_value_init)( &value, param->value_type ); 2263 (*fp_gtk_widget_style_get_property)(gtk2_widget, key, &value); 2264 2265 if( (*fp_g_type_is_a)( param->value_type, G_TYPE_BOOLEAN )) 2266 { 2267 gboolean val = (*fp_g_value_get_boolean)(&value); 2268 return create_Boolean(env, (jboolean)val); 2269 } 2270 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_CHAR )) 2271 { 2272 gchar val = (*fp_g_value_get_char)(&value); 2273 return create_Character(env, (jchar)val); 2274 } 2275 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_UCHAR )) 2276 { 2277 guchar val = (*fp_g_value_get_uchar)(&value); 2278 return create_Character(env, (jchar)val); 2279 } 2280 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_INT )) 2281 { 2282 gint val = (*fp_g_value_get_int)(&value); 2283 return create_Integer(env, (jint)val); 2284 } 2285 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_UINT )) 2286 { 2287 guint val = (*fp_g_value_get_uint)(&value); 2288 return create_Integer(env, (jint)val); 2289 } 2290 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_LONG )) 2291 { 2292 glong val = (*fp_g_value_get_long)(&value); 2293 return create_Long(env, (jlong)val); 2294 } 2295 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_ULONG )) 2296 { 2297 gulong val = (*fp_g_value_get_ulong)(&value); 2298 return create_Long(env, (jlong)val); 2299 } 2300 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_INT64 )) 2301 { 2302 gint64 val = (*fp_g_value_get_int64)(&value); 2303 return create_Long(env, (jlong)val); 2304 } 2305 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_UINT64 )) 2306 { 2307 guint64 val = (*fp_g_value_get_uint64)(&value); 2308 return create_Long(env, (jlong)val); 2309 } 2310 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_FLOAT )) 2311 { 2312 gfloat val = (*fp_g_value_get_float)(&value); 2313 return create_Float(env, (jfloat)val); 2314 } 2315 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_DOUBLE )) 2316 { 2317 gdouble val = (*fp_g_value_get_double)(&value); 2318 return create_Double(env, (jdouble)val); 2319 } 2320 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_ENUM )) 2321 { 2322 gint val = (*fp_g_value_get_enum)(&value); 2323 return create_Integer(env, (jint)val); 2324 } 2325 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_FLAGS )) 2326 { 2327 guint val = (*fp_g_value_get_flags)(&value); 2328 return create_Integer(env, (jint)val); 2329 } 2330 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_STRING )) 2331 { 2332 const gchar* val = (*fp_g_value_get_string)(&value); 2333 2334 /* We suppose that all values come in C locale and 2335 * utf-8 representation of a string is the same as 2336 * the string itself. If this isn't so we should 2337 * use g_convert. 2338 */ 2339 return (*env)->NewStringUTF(env, val); 2340 } 2341 else if( (*fp_g_type_is_a)( param->value_type, GTK_TYPE_BORDER )) 2342 { 2343 GtkBorder *border = (GtkBorder*)(*fp_g_value_get_boxed)(&value); 2344 return border ? create_Insets(env, border) : NULL; 2345 } 2346 2347 /* TODO: Other types are not supported yet.*/ 2348 /* else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_PARAM )) 2349 { 2350 GParamSpec* val = (*fp_g_value_get_param)(&value); 2351 printf( "Param: %p\n", val ); 2352 } 2353 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_BOXED )) 2354 { 2355 gpointer* val = (*fp_g_value_get_boxed)(&value); 2356 printf( "Boxed: %p\n", val ); 2357 } 2358 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_POINTER )) 2359 { 2360 gpointer* val = (*fp_g_value_get_pointer)(&value); 2361 printf( "Pointer: %p\n", val ); 2362 } 2363 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_OBJECT )) 2364 { 2365 GObject* val = (GObject*)(*fp_g_value_get_object)(&value); 2366 printf( "Object: %p\n", val ); 2367 }*/ 2368 } 2369 2370 return NULL; 2371 } 2372 2373 void gtk2_set_range_value(WidgetType widget_type, jdouble value, 2374 jdouble min, jdouble max, jdouble visible) 2375 { 2376 GtkAdjustment *adj; 2377 2378 gtk2_widget = gtk2_get_widget(widget_type); 2379 2380 adj = (*fp_gtk_range_get_adjustment)((GtkRange *)gtk2_widget); 2381 adj->value = (gdouble)value; 2382 adj->lower = (gdouble)min; 2383 adj->upper = (gdouble)max; 2384 adj->page_size = (gdouble)visible; 2385 } 2386 2387 /*************************************************/ 2388 jobject create_Object(JNIEnv *env, jmethodID *cid, 2389 const char* class_name, 2390 const char* signature, 2391 jvalue* value) 2392 { 2393 jclass class; 2394 jobject result; 2395 2396 class = (*env)->FindClass(env, class_name); 2397 if( class == NULL ) 2398 return NULL; /* can't find/load the class, exception thrown */ 2399 2400 if( *cid == NULL) 2401 { 2402 *cid = (*env)->GetMethodID(env, class, "<init>", signature); 2403 if( *cid == NULL ) 2404 { 2405 (*env)->DeleteLocalRef(env, class); 2406 return NULL; /* can't find/get the method, exception thrown */ 2407 } 2408 } 2409 2410 result = (*env)->NewObjectA(env, class, *cid, value); 2411 2412 (*env)->DeleteLocalRef(env, class); 2413 return result; 2414 } 2415 2416 jobject create_Boolean(JNIEnv *env, jboolean boolean_value) 2417 { 2418 static jmethodID cid = NULL; 2419 jvalue value; 2420 2421 value.z = boolean_value; 2422 2423 return create_Object(env, &cid, "java/lang/Boolean", "(Z)V", &value); 2424 } 2425 2426 jobject create_Integer(JNIEnv *env, jint int_value) 2427 { 2428 static jmethodID cid = NULL; 2429 jvalue value; 2430 2431 value.i = int_value; 2432 2433 return create_Object(env, &cid, "java/lang/Integer", "(I)V", &value); 2434 } 2435 2436 jobject create_Long(JNIEnv *env, jlong long_value) 2437 { 2438 static jmethodID cid = NULL; 2439 jvalue value; 2440 2441 value.j = long_value; 2442 2443 return create_Object(env, &cid, "java/lang/Long", "(J)V", &value); 2444 } 2445 2446 jobject create_Float(JNIEnv *env, jfloat float_value) 2447 { 2448 static jmethodID cid = NULL; 2449 jvalue value; 2450 2451 value.f = float_value; 2452 2453 return create_Object(env, &cid, "java/lang/Float", "(F)V", &value); 2454 } 2455 2456 jobject create_Double(JNIEnv *env, jdouble double_value) 2457 { 2458 static jmethodID cid = NULL; 2459 jvalue value; 2460 2461 value.d = double_value; 2462 2463 return create_Object(env, &cid, "java/lang/Double", "(D)V", &value); 2464 } 2465 2466 jobject create_Character(JNIEnv *env, jchar char_value) 2467 { 2468 static jmethodID cid = NULL; 2469 jvalue value; 2470 2471 value.c = char_value; 2472 2473 return create_Object(env, &cid, "java/lang/Character", "(C)V", &value); 2474 } 2475 2476 2477 jobject create_Insets(JNIEnv *env, GtkBorder *border) 2478 { 2479 static jmethodID cid = NULL; 2480 jvalue values[4]; 2481 2482 values[0].i = border->top; 2483 values[1].i = border->left; 2484 values[2].i = border->bottom; 2485 values[3].i = border->right; 2486 2487 return create_Object(env, &cid, "java/awt/Insets", "(IIII)V", values); 2488 } 2489 2490 /*********************************************/ 2491 jstring gtk2_get_pango_font_name(JNIEnv *env, WidgetType widget_type) 2492 { 2493 init_containers(); 2494 2495 gtk2_widget = gtk2_get_widget(widget_type); 2496 jstring result = NULL; 2497 GtkStyle* style = gtk2_widget->style; 2498 2499 if (style && style->font_desc) 2500 { 2501 gchar* val = (*fp_pango_font_description_to_string)(style->font_desc); 2502 result = (*env)->NewStringUTF(env, val); 2503 (*fp_g_free)( val ); 2504 } 2505 2506 return result; 2507 } 2508 2509 /***********************************************/ 2510 jobject get_string_property(JNIEnv *env, GtkSettings* settings, const gchar* key) 2511 { 2512 jobject result = NULL; 2513 gchar* strval = NULL; 2514 2515 (*fp_g_object_get)(settings, key, &strval, NULL); 2516 result = (*env)->NewStringUTF(env, strval); 2517 (*fp_g_free)(strval); 2518 2519 return result; 2520 } 2521 2522 jobject get_integer_property(JNIEnv *env, GtkSettings* settings, const gchar* key) 2523 { 2524 gint intval = NULL; 2525 (*fp_g_object_get)(settings, key, &intval, NULL); 2526 return create_Integer(env, intval); 2527 } 2528 2529 jobject get_boolean_property(JNIEnv *env, GtkSettings* settings, const gchar* key) 2530 { 2531 gint intval = NULL; 2532 (*fp_g_object_get)(settings, key, &intval, NULL); 2533 return create_Boolean(env, intval); 2534 } 2535 2536 jobject gtk2_get_setting(JNIEnv *env, Setting property) 2537 { 2538 GtkSettings* settings = (*fp_gtk_settings_get_default)(); 2539 2540 switch (property) 2541 { 2542 case GTK_FONT_NAME: 2543 return get_string_property(env, settings, "gtk-font-name"); 2544 case GTK_ICON_SIZES: 2545 return get_string_property(env, settings, "gtk-icon-sizes"); 2546 case GTK_CURSOR_BLINK: 2547 return get_boolean_property(env, settings, "gtk-cursor-blink"); 2548 case GTK_CURSOR_BLINK_TIME: 2549 return get_integer_property(env, settings, "gtk-cursor-blink-time"); 2550 } 2551 2552 return NULL; 2553 }