1 /* 2 * Copyright (c) 2005, 2010, 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 34 #define GTK2_LIB "libgtk-x11-2.0.so.0" 35 #define GTHREAD_LIB "libgthread-2.0.so.0" 36 37 #define G_TYPE_INVALID G_TYPE_MAKE_FUNDAMENTAL (0) 38 #define G_TYPE_NONE G_TYPE_MAKE_FUNDAMENTAL (1) 39 #define G_TYPE_INTERFACE G_TYPE_MAKE_FUNDAMENTAL (2) 40 #define G_TYPE_CHAR G_TYPE_MAKE_FUNDAMENTAL (3) 41 #define G_TYPE_UCHAR G_TYPE_MAKE_FUNDAMENTAL (4) 42 #define G_TYPE_BOOLEAN G_TYPE_MAKE_FUNDAMENTAL (5) 43 #define G_TYPE_INT G_TYPE_MAKE_FUNDAMENTAL (6) 44 #define G_TYPE_UINT G_TYPE_MAKE_FUNDAMENTAL (7) 45 #define G_TYPE_LONG G_TYPE_MAKE_FUNDAMENTAL (8) 46 #define G_TYPE_ULONG G_TYPE_MAKE_FUNDAMENTAL (9) 47 #define G_TYPE_INT64 G_TYPE_MAKE_FUNDAMENTAL (10) 48 #define G_TYPE_UINT64 G_TYPE_MAKE_FUNDAMENTAL (11) 49 #define G_TYPE_ENUM G_TYPE_MAKE_FUNDAMENTAL (12) 50 #define G_TYPE_FLAGS G_TYPE_MAKE_FUNDAMENTAL (13) 51 #define G_TYPE_FLOAT G_TYPE_MAKE_FUNDAMENTAL (14) 52 #define G_TYPE_DOUBLE G_TYPE_MAKE_FUNDAMENTAL (15) 53 #define G_TYPE_STRING G_TYPE_MAKE_FUNDAMENTAL (16) 54 #define G_TYPE_POINTER G_TYPE_MAKE_FUNDAMENTAL (17) 55 #define G_TYPE_BOXED G_TYPE_MAKE_FUNDAMENTAL (18) 56 #define G_TYPE_PARAM G_TYPE_MAKE_FUNDAMENTAL (19) 57 #define G_TYPE_OBJECT G_TYPE_MAKE_FUNDAMENTAL (20) 58 59 #define GTK_TYPE_BORDER ((*fp_gtk_border_get_type)()) 60 61 #define G_TYPE_FUNDAMENTAL_SHIFT (2) 62 #define G_TYPE_MAKE_FUNDAMENTAL(x) ((GType) ((x) << G_TYPE_FUNDAMENTAL_SHIFT)) 63 #define MIN(a, b) (((a) < (b)) ? (a) : (b)) 64 65 #define CONV_BUFFER_SIZE 128 66 67 #define NO_SYMBOL_EXCEPTION 1 68 69 /* SynthConstants */ 70 const gint ENABLED = 1 << 0; 71 const gint MOUSE_OVER = 1 << 1; 72 const gint PRESSED = 1 << 2; 73 const gint DISABLED = 1 << 3; 74 const gint FOCUSED = 1 << 8; 75 const gint SELECTED = 1 << 9; 76 const gint DEFAULT = 1 << 10; 77 78 static void *gtk2_libhandle = NULL; 79 static void *gthread_libhandle = NULL; 80 static gboolean flag_g_thread_get_initialized = FALSE; 81 static jmp_buf j; 82 83 /* Widgets */ 84 static GtkWidget *gtk2_widget = NULL; 85 static GtkWidget *gtk2_window = NULL; 86 static GtkFixed *gtk2_fixed = NULL; 87 88 /* Paint system */ 89 static GdkPixmap *gtk2_white_pixmap = NULL; 90 static GdkPixmap *gtk2_black_pixmap = NULL; 91 static GdkPixbuf *gtk2_white_pixbuf = NULL; 92 static GdkPixbuf *gtk2_black_pixbuf = NULL; 93 static int gtk2_pixbuf_width = 0; 94 static int gtk2_pixbuf_height = 0; 95 96 /* Static buffer for conversion from java.lang.String to UTF-8 */ 97 static char convertionBuffer[CONV_BUFFER_SIZE]; 98 99 static gboolean new_combo = TRUE; 100 const char ENV_PREFIX[] = "GTK_MODULES="; 101 102 /*******************/ 103 enum GtkWidgetType 104 { 105 _GTK_ARROW_TYPE, 106 _GTK_BUTTON_TYPE, 107 _GTK_CHECK_BUTTON_TYPE, 108 _GTK_CHECK_MENU_ITEM_TYPE, 109 _GTK_COLOR_SELECTION_DIALOG_TYPE, 110 _GTK_COMBO_BOX_TYPE, 111 _GTK_COMBO_BOX_ARROW_BUTTON_TYPE, 112 _GTK_COMBO_BOX_TEXT_FIELD_TYPE, 113 _GTK_CONTAINER_TYPE, 114 _GTK_ENTRY_TYPE, 115 _GTK_FRAME_TYPE, 116 _GTK_HANDLE_BOX_TYPE, 117 _GTK_HPANED_TYPE, 118 _GTK_HPROGRESS_BAR_TYPE, 119 _GTK_HSCALE_TYPE, 120 _GTK_HSCROLLBAR_TYPE, 121 _GTK_HSEPARATOR_TYPE, 122 _GTK_IMAGE_TYPE, 123 _GTK_MENU_TYPE, 124 _GTK_MENU_BAR_TYPE, 125 _GTK_MENU_ITEM_TYPE, 126 _GTK_NOTEBOOK_TYPE, 127 _GTK_LABEL_TYPE, 128 _GTK_RADIO_BUTTON_TYPE, 129 _GTK_RADIO_MENU_ITEM_TYPE, 130 _GTK_SCROLLED_WINDOW_TYPE, 131 _GTK_SEPARATOR_MENU_ITEM_TYPE, 132 _GTK_SEPARATOR_TOOL_ITEM_TYPE, 133 _GTK_SPIN_BUTTON_TYPE, 134 _GTK_TEXT_VIEW_TYPE, 135 _GTK_TOGGLE_BUTTON_TYPE, 136 _GTK_TOOLBAR_TYPE, 137 _GTK_TOOLTIP_TYPE, 138 _GTK_TREE_VIEW_TYPE, 139 _GTK_VIEWPORT_TYPE, 140 _GTK_VPANED_TYPE, 141 _GTK_VPROGRESS_BAR_TYPE, 142 _GTK_VSCALE_TYPE, 143 _GTK_VSCROLLBAR_TYPE, 144 _GTK_VSEPARATOR_TYPE, 145 _GTK_WINDOW_TYPE, 146 _GTK_DIALOG_TYPE, 147 _GTK_WIDGET_TYPE_SIZE 148 }; 149 150 151 static GtkWidget *gtk2_widgets[_GTK_WIDGET_TYPE_SIZE]; 152 153 /************************* 154 * Glib function pointers 155 *************************/ 156 157 static gboolean (*fp_g_main_context_iteration)(GMainContext *context, 158 gboolean may_block); 159 160 static GValue* (*fp_g_value_init)(GValue *value, GType g_type); 161 static gboolean (*fp_g_type_is_a)(GType type, GType is_a_type); 162 static gboolean (*fp_g_value_get_boolean)(const GValue *value); 163 static gchar (*fp_g_value_get_char)(const GValue *value); 164 static guchar (*fp_g_value_get_uchar)(const GValue *value); 165 static gint (*fp_g_value_get_int)(const GValue *value); 166 static guint (*fp_g_value_get_uint)(const GValue *value); 167 static glong (*fp_g_value_get_long)(const GValue *value); 168 static gulong (*fp_g_value_get_ulong)(const GValue *value); 169 static gint64 (*fp_g_value_get_int64)(const GValue *value); 170 static guint64 (*fp_g_value_get_uint64)(const GValue *value); 171 static gfloat (*fp_g_value_get_float)(const GValue *value); 172 static gdouble (*fp_g_value_get_double)(const GValue *value); 173 static const gchar* (*fp_g_value_get_string)(const GValue *value); 174 static gint (*fp_g_value_get_enum)(const GValue *value); 175 static guint (*fp_g_value_get_flags)(const GValue *value); 176 static GParamSpec* (*fp_g_value_get_param)(const GValue *value); 177 static gpointer* (*fp_g_value_get_boxed)(const GValue *value); 178 static gpointer* (*fp_g_value_get_pointer)(const GValue *value); 179 static GObject* (*fp_g_value_get_object)(const GValue *value); 180 static GParamSpec* (*fp_g_param_spec_int)(const gchar *name, 181 const gchar *nick, const gchar *blurb, 182 gint minimum, gint maximum, gint default_value, 183 GParamFlags flags); 184 static void (*fp_g_object_get)(gpointer object, 185 const gchar* fpn, ...); 186 static void (*fp_g_object_set)(gpointer object, 187 const gchar *first_property_name, 188 ...); 189 /************************ 190 * GDK function pointers 191 ************************/ 192 static GdkPixmap *(*fp_gdk_pixmap_new)(GdkDrawable *drawable, 193 gint width, gint height, gint depth); 194 static GdkGC *(*fp_gdk_gc_new)(GdkDrawable*); 195 static void (*fp_gdk_rgb_gc_set_foreground)(GdkGC*, guint32); 196 static void (*fp_gdk_draw_rectangle)(GdkDrawable*, GdkGC*, gboolean, 197 gint, gint, gint, gint); 198 static GdkPixbuf *(*fp_gdk_pixbuf_new)(GdkColorspace colorspace, 199 gboolean has_alpha, int bits_per_sample, int width, int height); 200 static GdkPixbuf *(*fp_gdk_pixbuf_get_from_drawable)(GdkPixbuf *dest, 201 GdkDrawable *src, GdkColormap *cmap, int src_x, int src_y, 202 int dest_x, int dest_y, int width, int height); 203 static void (*fp_gdk_drawable_get_size)(GdkDrawable *drawable, 204 gint* width, gint* height); 205 206 /************************ 207 * Gtk function pointers 208 ************************/ 209 static gboolean (*fp_gtk_init_check)(int* argc, char** argv); 210 211 /* Painting */ 212 static void (*fp_gtk_paint_hline)(GtkStyle* style, GdkWindow* window, 213 GtkStateType state_type, GdkRectangle* area, GtkWidget* widget, 214 const gchar* detail, gint x1, gint x2, gint y); 215 static void (*fp_gtk_paint_vline)(GtkStyle* style, GdkWindow* window, 216 GtkStateType state_type, GdkRectangle* area, GtkWidget* widget, 217 const gchar* detail, gint y1, gint y2, gint x); 218 static void (*fp_gtk_paint_shadow)(GtkStyle* style, GdkWindow* window, 219 GtkStateType state_type, GtkShadowType shadow_type, 220 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 221 gint x, gint y, gint width, gint height); 222 static void (*fp_gtk_paint_arrow)(GtkStyle* style, GdkWindow* window, 223 GtkStateType state_type, GtkShadowType shadow_type, 224 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 225 GtkArrowType arrow_type, gboolean fill, gint x, gint y, 226 gint width, gint height); 227 static void (*fp_gtk_paint_diamond)(GtkStyle* style, GdkWindow* window, 228 GtkStateType state_type, GtkShadowType shadow_type, 229 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 230 gint x, gint y, gint width, gint height); 231 static void (*fp_gtk_paint_box)(GtkStyle* style, GdkWindow* window, 232 GtkStateType state_type, GtkShadowType shadow_type, 233 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 234 gint x, gint y, gint width, gint height); 235 static void (*fp_gtk_paint_flat_box)(GtkStyle* style, GdkWindow* window, 236 GtkStateType state_type, GtkShadowType shadow_type, 237 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 238 gint x, gint y, gint width, gint height); 239 static void (*fp_gtk_paint_check)(GtkStyle* style, GdkWindow* window, 240 GtkStateType state_type, GtkShadowType shadow_type, 241 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 242 gint x, gint y, gint width, gint height); 243 static void (*fp_gtk_paint_option)(GtkStyle* style, GdkWindow* window, 244 GtkStateType state_type, GtkShadowType shadow_type, 245 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 246 gint x, gint y, gint width, gint height); 247 static void (*fp_gtk_paint_box_gap)(GtkStyle* style, GdkWindow* window, 248 GtkStateType state_type, GtkShadowType shadow_type, 249 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 250 gint x, gint y, gint width, gint height, 251 GtkPositionType gap_side, gint gap_x, gint gap_width); 252 static void (*fp_gtk_paint_extension)(GtkStyle* style, GdkWindow* window, 253 GtkStateType state_type, GtkShadowType shadow_type, 254 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 255 gint x, gint y, gint width, gint height, GtkPositionType gap_side); 256 static void (*fp_gtk_paint_focus)(GtkStyle* style, GdkWindow* window, 257 GtkStateType state_type, GdkRectangle* area, GtkWidget* widget, 258 const gchar* detail, gint x, gint y, gint width, gint height); 259 static void (*fp_gtk_paint_slider)(GtkStyle* style, GdkWindow* window, 260 GtkStateType state_type, GtkShadowType shadow_type, 261 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 262 gint x, gint y, gint width, gint height, GtkOrientation orientation); 263 static void (*fp_gtk_paint_handle)(GtkStyle* style, GdkWindow* window, 264 GtkStateType state_type, GtkShadowType shadow_type, 265 GdkRectangle* area, GtkWidget* widget, const gchar* detail, 266 gint x, gint y, gint width, gint height, GtkOrientation orientation); 267 static void (*fp_gtk_paint_expander)(GtkStyle* style, GdkWindow* window, 268 GtkStateType state_type, GdkRectangle* area, GtkWidget* widget, 269 const gchar* detail, gint x, gint y, GtkExpanderStyle expander_style); 270 static void (*fp_gtk_style_apply_default_background)(GtkStyle* style, 271 GdkWindow* window, gboolean set_bg, GtkStateType state_type, 272 GdkRectangle* area, gint x, gint y, gint width, gint height); 273 274 /* Widget creation */ 275 static GtkWidget* (*fp_gtk_arrow_new)(GtkArrowType arrow_type, 276 GtkShadowType shadow_type); 277 static GtkWidget* (*fp_gtk_button_new)(); 278 static GtkWidget* (*fp_gtk_check_button_new)(); 279 static GtkWidget* (*fp_gtk_check_menu_item_new)(); 280 static GtkWidget* (*fp_gtk_color_selection_dialog_new)(const gchar* title); 281 static GtkWidget* (*fp_gtk_combo_box_new)(); 282 static GtkWidget* (*fp_gtk_combo_box_entry_new)(); 283 static GtkWidget* (*fp_gtk_entry_new)(); 284 static GtkWidget* (*fp_gtk_fixed_new)(); 285 static GtkWidget* (*fp_gtk_handle_box_new)(); 286 static GtkWidget* (*fp_gtk_hpaned_new)(); 287 static GtkWidget* (*fp_gtk_vpaned_new)(); 288 static GtkWidget* (*fp_gtk_hscale_new)(GtkAdjustment* adjustment); 289 static GtkWidget* (*fp_gtk_vscale_new)(GtkAdjustment* adjustment); 290 static GtkWidget* (*fp_gtk_hscrollbar_new)(GtkAdjustment* adjustment); 291 static GtkWidget* (*fp_gtk_vscrollbar_new)(GtkAdjustment* adjustment); 292 static GtkWidget* (*fp_gtk_hseparator_new)(); 293 static GtkWidget* (*fp_gtk_vseparator_new)(); 294 static GtkWidget* (*fp_gtk_image_new)(); 295 static GtkWidget* (*fp_gtk_label_new)(const gchar* str); 296 static GtkWidget* (*fp_gtk_menu_new)(); 297 static GtkWidget* (*fp_gtk_menu_bar_new)(); 298 static GtkWidget* (*fp_gtk_menu_item_new)(); 299 static GtkWidget* (*fp_gtk_notebook_new)(); 300 static GtkWidget* (*fp_gtk_progress_bar_new)(); 301 static GtkWidget* (*fp_gtk_progress_bar_set_orientation)( 302 GtkProgressBar *pbar, 303 GtkProgressBarOrientation orientation); 304 static GtkWidget* (*fp_gtk_radio_button_new)(GSList *group); 305 static GtkWidget* (*fp_gtk_radio_menu_item_new)(GSList *group); 306 static GtkWidget* (*fp_gtk_scrolled_window_new)(GtkAdjustment *hadjustment, 307 GtkAdjustment *vadjustment); 308 static GtkWidget* (*fp_gtk_separator_menu_item_new)(); 309 static GtkWidget* (*fp_gtk_separator_tool_item_new)(); 310 static GtkWidget* (*fp_gtk_text_view_new)(); 311 static GtkWidget* (*fp_gtk_toggle_button_new)(); 312 static GtkWidget* (*fp_gtk_toolbar_new)(); 313 static GtkWidget* (*fp_gtk_tree_view_new)(); 314 static GtkWidget* (*fp_gtk_viewport_new)(GtkAdjustment *hadjustment, 315 GtkAdjustment *vadjustment); 316 static GtkWidget* (*fp_gtk_window_new)(GtkWindowType type); 317 static GtkWidget* (*fp_gtk_dialog_new)(); 318 static GtkWidget* (*fp_gtk_spin_button_new)(GtkAdjustment *adjustment, 319 gdouble climb_rate, guint digits); 320 static GtkWidget* (*fp_gtk_frame_new)(const gchar *label); 321 322 /* Other widget operations */ 323 static GtkObject* (*fp_gtk_adjustment_new)(gdouble value, 324 gdouble lower, gdouble upper, gdouble step_increment, 325 gdouble page_increment, gdouble page_size); 326 static void (*fp_gtk_container_add)(GtkContainer *window, GtkWidget *widget); 327 static void (*fp_gtk_menu_shell_append)(GtkMenuShell *menu_shell, 328 GtkWidget *child); 329 static void (*fp_gtk_menu_item_set_submenu)(GtkMenuItem *menu_item, 330 GtkWidget *submenu); 331 static void (*fp_gtk_widget_realize)(GtkWidget *widget); 332 static GdkPixbuf* (*fp_gtk_widget_render_icon)(GtkWidget *widget, 333 const gchar *stock_id, GtkIconSize size, const gchar *detail); 334 static void (*fp_gtk_widget_set_name)(GtkWidget *widget, const gchar *name); 335 static void (*fp_gtk_widget_set_parent)(GtkWidget *widget, GtkWidget *parent); 336 static void (*fp_gtk_widget_set_direction)(GtkWidget *widget, 337 GtkTextDirection direction); 338 static void (*fp_gtk_widget_style_get)(GtkWidget *widget, 339 const gchar *first_property_name, ...); 340 static void (*fp_gtk_widget_class_install_style_property)( 341 GtkWidgetClass* class, GParamSpec *pspec); 342 static GParamSpec* (*fp_gtk_widget_class_find_style_property)( 343 GtkWidgetClass* class, const gchar* property_name); 344 static void (*fp_gtk_widget_style_get_property)(GtkWidget* widget, 345 const gchar* property_name, GValue* value); 346 static char* (*fp_pango_font_description_to_string)( 347 const PangoFontDescription* fd); 348 static GtkSettings* (*fp_gtk_settings_get_default)(); 349 static GtkSettings* (*fp_gtk_widget_get_settings)(GtkWidget *widget); 350 static GType (*fp_gtk_border_get_type)(); 351 static void (*fp_gtk_arrow_set)(GtkWidget* arrow, 352 GtkArrowType arrow_type, 353 GtkShadowType shadow_type); 354 static void (*fp_gtk_widget_size_request)(GtkWidget *widget, 355 GtkRequisition *requisition); 356 static GtkAdjustment* (*fp_gtk_range_get_adjustment)(GtkRange* range); 357 358 /* Method bodies */ 359 const char *getStrFor(JNIEnv *env, jstring val) 360 { 361 int length = (*env)->GetStringLength(env, val); 362 if (length > CONV_BUFFER_SIZE-1) 363 { 364 length = CONV_BUFFER_SIZE-1; 365 #ifdef INTERNAL_BUILD 366 fprintf(stderr, "Note: Detail is too long: %d chars\n", length); 367 #endif /* INTERNAL_BUILD */ 368 } 369 370 (*env)->GetStringUTFRegion(env, val, 0, length, convertionBuffer); 371 return convertionBuffer; 372 } 373 374 static void throw_exception(JNIEnv *env, const char* name, const char* message) 375 { 376 jclass class = (*env)->FindClass(env, name); 377 378 if (class != NULL) 379 (*env)->ThrowNew(env, class, message); 380 381 (*env)->DeleteLocalRef(env, class); 382 } 383 384 /* This is a workaround for the bug: 385 * http://sourceware.org/bugzilla/show_bug.cgi?id=1814 386 * (dlsym/dlopen clears dlerror state) 387 * This bug is specific to Linux, but there is no harm in 388 * applying this workaround on Solaris as well. 389 */ 390 static void* dl_symbol(const char* name) 391 { 392 void* result = dlsym(gtk2_libhandle, name); 393 if (!result) 394 longjmp(j, NO_SYMBOL_EXCEPTION); 395 396 return result; 397 } 398 399 static void* dl_symbol_gthread(const char* name) 400 { 401 void* result = dlsym(gthread_libhandle, name); 402 if (!result) 403 longjmp(j, NO_SYMBOL_EXCEPTION); 404 405 return result; 406 } 407 408 gboolean gtk2_check_version() 409 { 410 if (gtk2_libhandle != NULL) { 411 /* We've already successfully opened the GTK libs, so return true. */ 412 return TRUE; 413 } else { 414 void *lib = NULL; 415 gboolean result = FALSE; 416 417 lib = dlopen(GTK2_LIB, RTLD_LAZY | RTLD_LOCAL); 418 if (lib == NULL) { 419 return FALSE; 420 } 421 422 fp_gtk_check_version = dlsym(lib, "gtk_check_version"); 423 /* Check for GTK 2.2+ */ 424 if (!fp_gtk_check_version(2, 2, 0)) { 425 result = TRUE; 426 } 427 428 dlclose(lib); 429 430 return result; 431 } 432 } 433 434 /** 435 * Functions for sun_awt_X11_GtkFileDialogPeer.c 436 */ 437 void gtk2_file_chooser_load() 438 { 439 fp_gtk_file_chooser_get_filename = dl_symbol( 440 "gtk_file_chooser_get_filename"); 441 fp_gtk_file_chooser_dialog_new = dl_symbol("gtk_file_chooser_dialog_new"); 442 fp_gtk_file_chooser_set_current_folder = dl_symbol( 443 "gtk_file_chooser_set_current_folder"); 444 fp_gtk_file_chooser_set_filename = dl_symbol( 445 "gtk_file_chooser_set_filename"); 446 fp_gtk_file_filter_add_custom = dl_symbol("gtk_file_filter_add_custom"); 447 fp_gtk_file_chooser_set_filter = dl_symbol("gtk_file_chooser_set_filter"); 448 fp_gtk_file_chooser_get_type = dl_symbol("gtk_file_chooser_get_type"); 449 fp_gtk_file_filter_new = dl_symbol("gtk_file_filter_new"); 450 if (fp_gtk_check_version(2, 8, 0) == NULL) { 451 fp_gtk_file_chooser_set_do_overwrite_confirmation = dl_symbol( 452 "gtk_file_chooser_set_do_overwrite_confirmation"); 453 } 454 fp_gtk_file_chooser_set_select_multiple = dl_symbol( 455 "gtk_file_chooser_set_select_multiple"); 456 fp_gtk_file_chooser_get_current_folder = dl_symbol( 457 "gtk_file_chooser_get_current_folder"); 458 fp_gtk_file_chooser_get_filenames = dl_symbol( 459 "gtk_file_chooser_get_filenames"); 460 fp_gtk_g_slist_length = dl_symbol("g_slist_length"); 461 } 462 463 gboolean gtk2_load() 464 { 465 gboolean result; 466 int i; 467 int (*handler)(); 468 int (*io_handler)(); 469 char *gtk_modules_env; 470 471 gtk2_libhandle = dlopen(GTK2_LIB, RTLD_LAZY | RTLD_LOCAL); 472 gthread_libhandle = dlopen(GTHREAD_LIB, RTLD_LAZY | RTLD_LOCAL); 473 474 if (gtk2_libhandle == NULL || gthread_libhandle == NULL) 475 return FALSE; 476 477 if (setjmp(j) == 0) 478 { 479 fp_gtk_check_version = dl_symbol("gtk_check_version"); 480 /* Check for GTK 2.2+ */ 481 if (fp_gtk_check_version(2, 2, 0)) { 482 longjmp(j, NO_SYMBOL_EXCEPTION); 483 } 484 485 /* GLib */ 486 fp_g_free = dl_symbol("g_free"); 487 fp_g_object_unref = dl_symbol("g_object_unref"); 488 489 fp_g_main_context_iteration = 490 dl_symbol("g_main_context_iteration"); 491 492 fp_g_value_init = dl_symbol("g_value_init"); 493 fp_g_type_is_a = dl_symbol("g_type_is_a"); 494 495 fp_g_value_get_boolean = dl_symbol("g_value_get_boolean"); 496 fp_g_value_get_char = dl_symbol("g_value_get_char"); 497 fp_g_value_get_uchar = dl_symbol("g_value_get_uchar"); 498 fp_g_value_get_int = dl_symbol("g_value_get_int"); 499 fp_g_value_get_uint = dl_symbol("g_value_get_uint"); 500 fp_g_value_get_long = dl_symbol("g_value_get_long"); 501 fp_g_value_get_ulong = dl_symbol("g_value_get_ulong"); 502 fp_g_value_get_int64 = dl_symbol("g_value_get_int64"); 503 fp_g_value_get_uint64 = dl_symbol("g_value_get_uint64"); 504 fp_g_value_get_float = dl_symbol("g_value_get_float"); 505 fp_g_value_get_double = dl_symbol("g_value_get_double"); 506 fp_g_value_get_string = dl_symbol("g_value_get_string"); 507 fp_g_value_get_enum = dl_symbol("g_value_get_enum"); 508 fp_g_value_get_flags = dl_symbol("g_value_get_flags"); 509 fp_g_value_get_param = dl_symbol("g_value_get_param"); 510 fp_g_value_get_boxed = dl_symbol("g_value_get_boxed"); 511 fp_g_value_get_pointer = dl_symbol("g_value_get_pointer"); 512 fp_g_value_get_object = dl_symbol("g_value_get_object"); 513 fp_g_param_spec_int = dl_symbol("g_param_spec_int"); 514 fp_g_object_get = dl_symbol("g_object_get"); 515 fp_g_object_set = dl_symbol("g_object_set"); 516 517 /* GDK */ 518 fp_gdk_pixmap_new = dl_symbol("gdk_pixmap_new"); 519 fp_gdk_pixbuf_get_from_drawable = 520 dl_symbol("gdk_pixbuf_get_from_drawable"); 521 fp_gdk_gc_new = dl_symbol("gdk_gc_new"); 522 fp_gdk_rgb_gc_set_foreground = 523 dl_symbol("gdk_rgb_gc_set_foreground"); 524 fp_gdk_draw_rectangle = dl_symbol("gdk_draw_rectangle"); 525 fp_gdk_drawable_get_size = dl_symbol("gdk_drawable_get_size"); 526 527 /* Pixbuf */ 528 fp_gdk_pixbuf_new = dl_symbol("gdk_pixbuf_new"); 529 fp_gdk_pixbuf_new_from_file = 530 dl_symbol("gdk_pixbuf_new_from_file"); 531 fp_gdk_pixbuf_get_width = dl_symbol("gdk_pixbuf_get_width"); 532 fp_gdk_pixbuf_get_height = dl_symbol("gdk_pixbuf_get_height"); 533 fp_gdk_pixbuf_get_pixels = dl_symbol("gdk_pixbuf_get_pixels"); 534 fp_gdk_pixbuf_get_rowstride = 535 dl_symbol("gdk_pixbuf_get_rowstride"); 536 fp_gdk_pixbuf_get_has_alpha = 537 dl_symbol("gdk_pixbuf_get_has_alpha"); 538 fp_gdk_pixbuf_get_bits_per_sample = 539 dl_symbol("gdk_pixbuf_get_bits_per_sample"); 540 fp_gdk_pixbuf_get_n_channels = 541 dl_symbol("gdk_pixbuf_get_n_channels"); 542 543 /* GTK painting */ 544 fp_gtk_init_check = dl_symbol("gtk_init_check"); 545 fp_gtk_paint_hline = dl_symbol("gtk_paint_hline"); 546 fp_gtk_paint_vline = dl_symbol("gtk_paint_vline"); 547 fp_gtk_paint_shadow = dl_symbol("gtk_paint_shadow"); 548 fp_gtk_paint_arrow = dl_symbol("gtk_paint_arrow"); 549 fp_gtk_paint_diamond = dl_symbol("gtk_paint_diamond"); 550 fp_gtk_paint_box = dl_symbol("gtk_paint_box"); 551 fp_gtk_paint_flat_box = dl_symbol("gtk_paint_flat_box"); 552 fp_gtk_paint_check = dl_symbol("gtk_paint_check"); 553 fp_gtk_paint_option = dl_symbol("gtk_paint_option"); 554 fp_gtk_paint_box_gap = dl_symbol("gtk_paint_box_gap"); 555 fp_gtk_paint_extension = dl_symbol("gtk_paint_extension"); 556 fp_gtk_paint_focus = dl_symbol("gtk_paint_focus"); 557 fp_gtk_paint_slider = dl_symbol("gtk_paint_slider"); 558 fp_gtk_paint_handle = dl_symbol("gtk_paint_handle"); 559 fp_gtk_paint_expander = dl_symbol("gtk_paint_expander"); 560 fp_gtk_style_apply_default_background = 561 dl_symbol("gtk_style_apply_default_background"); 562 563 /* GTK widgets */ 564 fp_gtk_arrow_new = dl_symbol("gtk_arrow_new"); 565 fp_gtk_button_new = dl_symbol("gtk_button_new"); 566 fp_gtk_spin_button_new = dl_symbol("gtk_spin_button_new"); 567 fp_gtk_check_button_new = dl_symbol("gtk_check_button_new"); 568 fp_gtk_check_menu_item_new = 569 dl_symbol("gtk_check_menu_item_new"); 570 fp_gtk_color_selection_dialog_new = 571 dl_symbol("gtk_color_selection_dialog_new"); 572 fp_gtk_entry_new = dl_symbol("gtk_entry_new"); 573 fp_gtk_fixed_new = dl_symbol("gtk_fixed_new"); 574 fp_gtk_handle_box_new = dl_symbol("gtk_handle_box_new"); 575 fp_gtk_image_new = dl_symbol("gtk_image_new"); 576 fp_gtk_hpaned_new = dl_symbol("gtk_hpaned_new"); 577 fp_gtk_vpaned_new = dl_symbol("gtk_vpaned_new"); 578 fp_gtk_hscale_new = dl_symbol("gtk_hscale_new"); 579 fp_gtk_vscale_new = dl_symbol("gtk_vscale_new"); 580 fp_gtk_hscrollbar_new = dl_symbol("gtk_hscrollbar_new"); 581 fp_gtk_vscrollbar_new = dl_symbol("gtk_vscrollbar_new"); 582 fp_gtk_hseparator_new = dl_symbol("gtk_hseparator_new"); 583 fp_gtk_vseparator_new = dl_symbol("gtk_vseparator_new"); 584 fp_gtk_label_new = dl_symbol("gtk_label_new"); 585 fp_gtk_menu_new = dl_symbol("gtk_menu_new"); 586 fp_gtk_menu_bar_new = dl_symbol("gtk_menu_bar_new"); 587 fp_gtk_menu_item_new = dl_symbol("gtk_menu_item_new"); 588 fp_gtk_menu_item_set_submenu = 589 dl_symbol("gtk_menu_item_set_submenu"); 590 fp_gtk_notebook_new = dl_symbol("gtk_notebook_new"); 591 fp_gtk_progress_bar_new = 592 dl_symbol("gtk_progress_bar_new"); 593 fp_gtk_progress_bar_set_orientation = 594 dl_symbol("gtk_progress_bar_set_orientation"); 595 fp_gtk_radio_button_new = 596 dl_symbol("gtk_radio_button_new"); 597 fp_gtk_radio_menu_item_new = 598 dl_symbol("gtk_radio_menu_item_new"); 599 fp_gtk_scrolled_window_new = 600 dl_symbol("gtk_scrolled_window_new"); 601 fp_gtk_separator_menu_item_new = 602 dl_symbol("gtk_separator_menu_item_new"); 603 fp_gtk_text_view_new = dl_symbol("gtk_text_view_new"); 604 fp_gtk_toggle_button_new = 605 dl_symbol("gtk_toggle_button_new"); 606 fp_gtk_toolbar_new = dl_symbol("gtk_toolbar_new"); 607 fp_gtk_tree_view_new = dl_symbol("gtk_tree_view_new"); 608 fp_gtk_viewport_new = dl_symbol("gtk_viewport_new"); 609 fp_gtk_window_new = dl_symbol("gtk_window_new"); 610 fp_gtk_window_present = dl_symbol("gtk_window_present"); 611 fp_gtk_window_move = dl_symbol("gtk_window_move"); 612 fp_gtk_window_resize = dl_symbol("gtk_window_resize"); 613 614 fp_gtk_dialog_new = dl_symbol("gtk_dialog_new"); 615 fp_gtk_frame_new = dl_symbol("gtk_frame_new"); 616 617 fp_gtk_adjustment_new = dl_symbol("gtk_adjustment_new"); 618 fp_gtk_container_add = dl_symbol("gtk_container_add"); 619 fp_gtk_menu_shell_append = 620 dl_symbol("gtk_menu_shell_append"); 621 fp_gtk_widget_realize = dl_symbol("gtk_widget_realize"); 622 fp_gtk_widget_destroy = dl_symbol("gtk_widget_destroy"); 623 fp_gtk_widget_render_icon = 624 dl_symbol("gtk_widget_render_icon"); 625 fp_gtk_widget_set_name = 626 dl_symbol("gtk_widget_set_name"); 627 fp_gtk_widget_set_parent = 628 dl_symbol("gtk_widget_set_parent"); 629 fp_gtk_widget_set_direction = 630 dl_symbol("gtk_widget_set_direction"); 631 fp_gtk_widget_style_get = 632 dl_symbol("gtk_widget_style_get"); 633 fp_gtk_widget_class_install_style_property = 634 dl_symbol("gtk_widget_class_install_style_property"); 635 fp_gtk_widget_class_find_style_property = 636 dl_symbol("gtk_widget_class_find_style_property"); 637 fp_gtk_widget_style_get_property = 638 dl_symbol("gtk_widget_style_get_property"); 639 fp_pango_font_description_to_string = 640 dl_symbol("pango_font_description_to_string"); 641 fp_gtk_settings_get_default = 642 dl_symbol("gtk_settings_get_default"); 643 fp_gtk_widget_get_settings = 644 dl_symbol("gtk_widget_get_settings"); 645 fp_gtk_border_get_type = dl_symbol("gtk_border_get_type"); 646 fp_gtk_arrow_set = dl_symbol("gtk_arrow_set"); 647 fp_gtk_widget_size_request = 648 dl_symbol("gtk_widget_size_request"); 649 fp_gtk_range_get_adjustment = 650 dl_symbol("gtk_range_get_adjustment"); 651 652 fp_gtk_widget_hide = dl_symbol("gtk_widget_hide"); 653 fp_gtk_main_quit = dl_symbol("gtk_main_quit"); 654 fp_g_signal_connect_data = dl_symbol("g_signal_connect_data"); 655 fp_gtk_widget_show = dl_symbol("gtk_widget_show"); 656 fp_gtk_main = dl_symbol("gtk_main"); 657 658 /** 659 * GLib thread system 660 */ 661 fp_g_thread_init = dl_symbol_gthread("g_thread_init"); 662 fp_gdk_threads_init = dl_symbol("gdk_threads_init"); 663 fp_gdk_threads_enter = dl_symbol("gdk_threads_enter"); 664 fp_gdk_threads_leave = dl_symbol("gdk_threads_leave"); 665 666 /** 667 * Functions for sun_awt_X11_GtkFileDialogPeer.c 668 */ 669 if (fp_gtk_check_version(2, 4, 0) == NULL) { 670 // The current GtkFileChooser is available from GTK+ 2.4 671 gtk2_file_chooser_load(); 672 } 673 674 /* Some functions may be missing in pre-2.4 GTK. 675 We handle them specially here. 676 */ 677 fp_gtk_combo_box_new = dlsym(gtk2_libhandle, "gtk_combo_box_new"); 678 if (fp_gtk_combo_box_new == NULL) { 679 fp_gtk_combo_box_new = dl_symbol("gtk_combo_new"); 680 } 681 682 fp_gtk_combo_box_entry_new = 683 dlsym(gtk2_libhandle, "gtk_combo_box_entry_new"); 684 if (fp_gtk_combo_box_entry_new == NULL) { 685 fp_gtk_combo_box_entry_new = dl_symbol("gtk_combo_new"); 686 new_combo = FALSE; 687 } 688 689 fp_gtk_separator_tool_item_new = 690 dlsym(gtk2_libhandle, "gtk_separator_tool_item_new"); 691 if (fp_gtk_separator_tool_item_new == NULL) { 692 fp_gtk_separator_tool_item_new = 693 dl_symbol("gtk_vseparator_new"); 694 } 695 } 696 /* Now we have only one kind of exceptions: NO_SYMBOL_EXCEPTION 697 * Otherwise we can check the return value of setjmp method. 698 */ 699 else 700 { 701 dlclose(gtk2_libhandle); 702 gtk2_libhandle = NULL; 703 704 dlclose(gthread_libhandle); 705 gthread_libhandle = NULL; 706 707 return FALSE; 708 } 709 710 /* 711 * Strip the AT-SPI GTK_MODULEs if present 712 */ 713 gtk_modules_env = getenv ("GTK_MODULES"); 714 715 if (gtk_modules_env && strstr (gtk_modules_env, "atk-bridge") || 716 gtk_modules_env && strstr (gtk_modules_env, "gail")) 717 { 718 /* the new env will be smaller than the old one */ 719 gchar *s, *new_env = malloc (sizeof(ENV_PREFIX)+strlen (gtk_modules_env)); 720 721 if (new_env != NULL ) 722 { 723 /* careful, strtok modifies its args */ 724 gchar *tmp_env = strdup (gtk_modules_env); 725 strcpy(new_env, ENV_PREFIX); 726 727 /* strip out 'atk-bridge' and 'gail' */ 728 size_t PREFIX_LENGTH = strlen(ENV_PREFIX); 729 while (s = strtok(tmp_env, ":")) 730 { 731 if ((!strstr (s, "atk-bridge")) && (!strstr (s, "gail"))) 732 { 733 if (strlen (new_env) > PREFIX_LENGTH) { 734 new_env = strcat (new_env, ":"); 735 } 736 new_env = strcat(new_env, s); 737 } 738 if (tmp_env) 739 { 740 free (tmp_env); 741 tmp_env = NULL; /* next call to strtok arg1==NULL */ 742 } 743 } 744 putenv (new_env); 745 free (new_env); 746 } 747 } 748 749 /* 750 * GTK should be initialized with gtk_init_check() before use. 751 * 752 * gtk_init_check installs its own error handlers. It is critical that 753 * we preserve error handler set from AWT. Otherwise we'll crash on 754 * BadMatch errors which we would normally ignore. The IO error handler 755 * is preserved here, too, just for consistency. 756 */ 757 handler = XSetErrorHandler(NULL); 758 io_handler = XSetIOErrorHandler(NULL); 759 760 if (fp_gtk_check_version(2, 2, 0) == NULL) { 761 // Init the thread system to use GLib in a thread-safe mode 762 if (!flag_g_thread_get_initialized) { 763 flag_g_thread_get_initialized = TRUE; 764 765 fp_g_thread_init(NULL); 766 767 //According the GTK documentation, gdk_threads_init() should be 768 //called before gtk_init() or gtk_init_check() 769 fp_gdk_threads_init(); 770 } 771 } 772 result = (*fp_gtk_init_check)(NULL, NULL); 773 774 XSetErrorHandler(handler); 775 XSetIOErrorHandler(io_handler); 776 777 /* Initialize widget array. */ 778 for (i = 0; i < _GTK_WIDGET_TYPE_SIZE; i++) 779 { 780 gtk2_widgets[i] = NULL; 781 } 782 783 return result; 784 } 785 786 int gtk2_unload() 787 { 788 int i; 789 char *gtk2_error; 790 791 if (!gtk2_libhandle) 792 return TRUE; 793 794 /* Release painting objects */ 795 if (gtk2_white_pixmap != NULL) { 796 (*fp_g_object_unref)(gtk2_white_pixmap); 797 (*fp_g_object_unref)(gtk2_black_pixmap); 798 (*fp_g_object_unref)(gtk2_white_pixbuf); 799 (*fp_g_object_unref)(gtk2_black_pixbuf); 800 gtk2_white_pixmap = gtk2_black_pixmap = 801 gtk2_white_pixbuf = gtk2_black_pixbuf = NULL; 802 } 803 gtk2_pixbuf_width = 0; 804 gtk2_pixbuf_height = 0; 805 806 if (gtk2_window != NULL) { 807 /* Destroying toplevel widget will destroy all contained widgets */ 808 (*fp_gtk_widget_destroy)(gtk2_window); 809 810 /* Unset some static data so they get reinitialized on next load */ 811 gtk2_window = NULL; 812 } 813 814 dlerror(); 815 dlclose(gtk2_libhandle); 816 dlclose(gthread_libhandle); 817 if ((gtk2_error = dlerror()) != NULL) 818 { 819 return FALSE; 820 } 821 return TRUE; 822 } 823 824 /* Dispatch all pending events from the GTK event loop. 825 * This is needed to catch theme change and update widgets' style. 826 */ 827 void flush_gtk_event_loop() 828 { 829 while( (*fp_g_main_context_iteration)(NULL, FALSE)); 830 } 831 832 /* 833 * Initialize components of containment hierarchy. This creates a GtkFixed 834 * inside a GtkWindow. All widgets get realized. 835 */ 836 static void init_containers() 837 { 838 if (gtk2_window == NULL) 839 { 840 gtk2_window = (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL); 841 gtk2_fixed = (GtkFixed *)(*fp_gtk_fixed_new)(); 842 (*fp_gtk_container_add)((GtkContainer*)gtk2_window, 843 (GtkWidget *)gtk2_fixed); 844 (*fp_gtk_widget_realize)(gtk2_window); 845 (*fp_gtk_widget_realize)((GtkWidget *)gtk2_fixed); 846 } 847 } 848 849 /* 850 * Ensure everything is ready for drawing an element of the specified width 851 * and height. 852 * 853 * We should somehow handle translucent images. GTK can draw to X Drawables 854 * only, which don't support alpha. When we retrieve the image back from 855 * the server, translucency information is lost. There're several ways to 856 * work around this: 857 * 1) Subclass GdkPixmap and cache translucent objects on client side. This 858 * requires us to implement parts of X server drawing logic on client side. 859 * Many X requests can potentially be "translucent"; e.g. XDrawLine with 860 * fill=tile and a translucent tile is a "translucent" operation, whereas 861 * XDrawLine with fill=solid is an "opaque" one. Moreover themes can (and some 862 * do) intermix transparent and opaque operations which makes caching even 863 * more problematic. 864 * 2) Use Xorg 32bit ARGB visual when available. GDK has no native support 865 * for it (as of version 2.6). Also even in JDS 3 Xorg does not support 866 * these visuals by default, which makes optimizing for them pointless. 867 * We can consider doing this at a later point when ARGB visuals become more 868 * popular. 869 * 3') GTK has plans to use Cairo as its graphical backend (presumably in 870 * 2.8), and Cairo supports alpha. With it we could also get rid of the 871 * unnecessary round trip to server and do all the drawing on client side. 872 * 4) For now we draw to two different pixmaps and restore alpha channel by 873 * comparing results. This can be optimized by using subclassed pixmap and 874 * doing the second drawing only if necessary. 875 */ 876 void gtk2_init_painting(JNIEnv *env, gint width, gint height) 877 { 878 GdkGC *gc; 879 GdkPixbuf *white, *black; 880 881 init_containers(); 882 883 if (gtk2_pixbuf_width < width || gtk2_pixbuf_height < height) 884 { 885 white = (*fp_gdk_pixbuf_new)(GDK_COLORSPACE_RGB, TRUE, 8, width, height); 886 black = (*fp_gdk_pixbuf_new)(GDK_COLORSPACE_RGB, TRUE, 8, width, height); 887 888 if (white == NULL || black == NULL) 889 { 890 snprintf(convertionBuffer, CONV_BUFFER_SIZE, "Couldn't create pixbuf of size %dx%d", width, height); 891 throw_exception(env, "java/lang/RuntimeException", convertionBuffer); 892 fp_gdk_threads_leave(); 893 return; 894 } 895 896 if (gtk2_white_pixmap != NULL) { 897 /* free old stuff */ 898 (*fp_g_object_unref)(gtk2_white_pixmap); 899 (*fp_g_object_unref)(gtk2_black_pixmap); 900 (*fp_g_object_unref)(gtk2_white_pixbuf); 901 (*fp_g_object_unref)(gtk2_black_pixbuf); 902 } 903 904 gtk2_white_pixmap = (*fp_gdk_pixmap_new)(gtk2_window->window, width, height, -1); 905 gtk2_black_pixmap = (*fp_gdk_pixmap_new)(gtk2_window->window, width, height, -1); 906 907 gtk2_white_pixbuf = white; 908 gtk2_black_pixbuf = black; 909 910 gtk2_pixbuf_width = width; 911 gtk2_pixbuf_height = height; 912 } 913 914 /* clear the pixmaps */ 915 gc = (*fp_gdk_gc_new)(gtk2_white_pixmap); 916 (*fp_gdk_rgb_gc_set_foreground)(gc, 0xffffff); 917 (*fp_gdk_draw_rectangle)(gtk2_white_pixmap, gc, TRUE, 0, 0, width, height); 918 (*fp_g_object_unref)(gc); 919 920 gc = (*fp_gdk_gc_new)(gtk2_black_pixmap); 921 (*fp_gdk_rgb_gc_set_foreground)(gc, 0x000000); 922 (*fp_gdk_draw_rectangle)(gtk2_black_pixmap, gc, TRUE, 0, 0, width, height); 923 (*fp_g_object_unref)(gc); 924 } 925 926 /* 927 * Restore image from white and black pixmaps and copy it into destination 928 * buffer. This method compares two pixbufs taken from white and black 929 * pixmaps and decodes color and alpha components. Pixbufs are RGB without 930 * alpha, destination buffer is ABGR. 931 * 932 * The return value is the transparency type of the resulting image, either 933 * one of java_awt_Transparency_OPAQUE, java_awt_Transparency_BITMASK, and 934 * java_awt_Transparency_TRANSLUCENT. 935 */ 936 gint gtk2_copy_image(gint *dst, gint width, gint height) 937 { 938 gint i, j, r, g, b; 939 guchar *white, *black; 940 gint stride, padding; 941 gboolean is_opaque = TRUE; 942 gboolean is_bitmask = TRUE; 943 944 (*fp_gdk_pixbuf_get_from_drawable)(gtk2_white_pixbuf, gtk2_white_pixmap, 945 NULL, 0, 0, 0, 0, width, height); 946 (*fp_gdk_pixbuf_get_from_drawable)(gtk2_black_pixbuf, gtk2_black_pixmap, 947 NULL, 0, 0, 0, 0, width, height); 948 949 white = (*fp_gdk_pixbuf_get_pixels)(gtk2_white_pixbuf); 950 black = (*fp_gdk_pixbuf_get_pixels)(gtk2_black_pixbuf); 951 stride = (*fp_gdk_pixbuf_get_rowstride)(gtk2_black_pixbuf); 952 padding = stride - width * 4; 953 954 for (i = 0; i < height; i++) { 955 for (j = 0; j < width; j++) { 956 int r1 = *white++; 957 int r2 = *black++; 958 int alpha = 0xff + r2 - r1; 959 960 switch (alpha) { 961 case 0: /* transparent pixel */ 962 r = g = b = 0; 963 black += 3; 964 white += 3; 965 is_opaque = FALSE; 966 break; 967 968 case 0xff: /* opaque pixel */ 969 r = r2; 970 g = *black++; 971 b = *black++; 972 black++; 973 white += 3; 974 break; 975 976 default: /* translucent pixel */ 977 r = 0xff * r2 / alpha; 978 g = 0xff * *black++ / alpha; 979 b = 0xff * *black++ / alpha; 980 black++; 981 white += 3; 982 is_opaque = FALSE; 983 is_bitmask = FALSE; 984 break; 985 } 986 987 *dst++ = (alpha << 24 | r << 16 | g << 8 | b); 988 } 989 990 white += padding; 991 black += padding; 992 } 993 return is_opaque ? java_awt_Transparency_OPAQUE : 994 (is_bitmask ? java_awt_Transparency_BITMASK : 995 java_awt_Transparency_TRANSLUCENT); 996 } 997 998 static void 999 gtk2_set_direction(GtkWidget *widget, GtkTextDirection dir) 1000 { 1001 /* 1002 * Some engines (inexplicably) look at the direction of the widget's 1003 * parent, so we need to set the direction of both the widget and its 1004 * parent. 1005 */ 1006 (*fp_gtk_widget_set_direction)(widget, dir); 1007 if (widget->parent != NULL) { 1008 (*fp_gtk_widget_set_direction)(widget->parent, dir); 1009 } 1010 } 1011 1012 /* 1013 * Initializes the widget to correct state for some engines. 1014 * This is a pure empirical method. 1015 */ 1016 static void init_toggle_widget(WidgetType widget_type, gint synth_state) 1017 { 1018 gboolean is_active = ((synth_state & SELECTED) != 0); 1019 1020 if (widget_type == RADIO_BUTTON || 1021 widget_type == CHECK_BOX || 1022 widget_type == TOGGLE_BUTTON) { 1023 ((GtkToggleButton*)gtk2_widget)->active = is_active; 1024 } 1025 1026 if ((synth_state & FOCUSED) != 0) { 1027 ((GtkObject*)gtk2_widget)->flags |= GTK_HAS_FOCUS; 1028 } else { 1029 ((GtkObject*)gtk2_widget)->flags &= ~GTK_HAS_FOCUS; 1030 } 1031 1032 if ((synth_state & MOUSE_OVER) != 0 && (synth_state & PRESSED) == 0 || 1033 (synth_state & FOCUSED) != 0 && (synth_state & PRESSED) != 0) { 1034 gtk2_widget->state = GTK_STATE_PRELIGHT; 1035 } else if ((synth_state & DISABLED) != 0) { 1036 gtk2_widget->state = GTK_STATE_INSENSITIVE; 1037 } else { 1038 gtk2_widget->state = is_active ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL; 1039 } 1040 } 1041 1042 /* GTK state_type filter */ 1043 static GtkStateType get_gtk_state_type(WidgetType widget_type, gint synth_state) 1044 { 1045 GtkStateType result = GTK_STATE_NORMAL; 1046 1047 if ((synth_state & DISABLED) != 0) { 1048 result = GTK_STATE_INSENSITIVE; 1049 } else if ((synth_state & PRESSED) != 0) { 1050 result = GTK_STATE_ACTIVE; 1051 } else if ((synth_state & MOUSE_OVER) != 0) { 1052 result = GTK_STATE_PRELIGHT; 1053 } 1054 return result; 1055 } 1056 1057 /* GTK shadow_type filter */ 1058 static GtkShadowType get_gtk_shadow_type(WidgetType widget_type, gint synth_state) 1059 { 1060 GtkShadowType result = GTK_SHADOW_OUT; 1061 1062 if ((synth_state & SELECTED) != 0) { 1063 result = GTK_SHADOW_IN; 1064 } 1065 return result; 1066 } 1067 1068 1069 static GtkWidget* gtk2_get_arrow(GtkArrowType arrow_type, GtkShadowType shadow_type) 1070 { 1071 GtkWidget *arrow = NULL; 1072 if (NULL == gtk2_widgets[_GTK_ARROW_TYPE]) 1073 { 1074 gtk2_widgets[_GTK_ARROW_TYPE] = (*fp_gtk_arrow_new)(arrow_type, shadow_type); 1075 (*fp_gtk_container_add)((GtkContainer *)gtk2_fixed, gtk2_widgets[_GTK_ARROW_TYPE]); 1076 (*fp_gtk_widget_realize)(gtk2_widgets[_GTK_ARROW_TYPE]); 1077 } 1078 arrow = gtk2_widgets[_GTK_ARROW_TYPE]; 1079 1080 (*fp_gtk_arrow_set)(arrow, arrow_type, shadow_type); 1081 return arrow; 1082 } 1083 1084 static GtkAdjustment* create_adjustment() 1085 { 1086 return (GtkAdjustment *) 1087 (*fp_gtk_adjustment_new)(50.0, 0.0, 100.0, 10.0, 20.0, 20.0); 1088 } 1089 1090 /** 1091 * Returns a pointer to the cached native widget for the specified widget 1092 * type. 1093 */ 1094 static GtkWidget *gtk2_get_widget(WidgetType widget_type) 1095 { 1096 gboolean init_result = FALSE; 1097 GtkWidget *result = NULL; 1098 switch (widget_type) 1099 { 1100 case BUTTON: 1101 case TABLE_HEADER: 1102 if (init_result = (NULL == gtk2_widgets[_GTK_BUTTON_TYPE])) 1103 { 1104 gtk2_widgets[_GTK_BUTTON_TYPE] = (*fp_gtk_button_new)(); 1105 } 1106 result = gtk2_widgets[_GTK_BUTTON_TYPE]; 1107 break; 1108 case CHECK_BOX: 1109 if (init_result = (NULL == gtk2_widgets[_GTK_CHECK_BUTTON_TYPE])) 1110 { 1111 gtk2_widgets[_GTK_CHECK_BUTTON_TYPE] = 1112 (*fp_gtk_check_button_new)(); 1113 } 1114 result = gtk2_widgets[_GTK_CHECK_BUTTON_TYPE]; 1115 break; 1116 case CHECK_BOX_MENU_ITEM: 1117 if (init_result = (NULL == gtk2_widgets[_GTK_CHECK_MENU_ITEM_TYPE])) 1118 { 1119 gtk2_widgets[_GTK_CHECK_MENU_ITEM_TYPE] = 1120 (*fp_gtk_check_menu_item_new)(); 1121 } 1122 result = gtk2_widgets[_GTK_CHECK_MENU_ITEM_TYPE]; 1123 break; 1124 /************************************************************ 1125 * Creation a dedicated color chooser is dangerous because 1126 * it deadlocks the EDT 1127 ************************************************************/ 1128 /* case COLOR_CHOOSER: 1129 if (init_result = 1130 (NULL == gtk2_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE])) 1131 { 1132 gtk2_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE] = 1133 (*fp_gtk_color_selection_dialog_new)(NULL); 1134 } 1135 result = gtk2_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE]; 1136 break;*/ 1137 case COMBO_BOX: 1138 if (init_result = (NULL == gtk2_widgets[_GTK_COMBO_BOX_TYPE])) 1139 { 1140 gtk2_widgets[_GTK_COMBO_BOX_TYPE] = 1141 (*fp_gtk_combo_box_new)(); 1142 } 1143 result = gtk2_widgets[_GTK_COMBO_BOX_TYPE]; 1144 break; 1145 case COMBO_BOX_ARROW_BUTTON: 1146 if (init_result = 1147 (NULL == gtk2_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE])) 1148 { 1149 gtk2_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE] = 1150 (*fp_gtk_toggle_button_new)(); 1151 } 1152 result = gtk2_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE]; 1153 break; 1154 case COMBO_BOX_TEXT_FIELD: 1155 if (init_result = 1156 (NULL == gtk2_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE])) 1157 { 1158 result = gtk2_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE] = 1159 (*fp_gtk_entry_new)(); 1160 1161 GtkSettings* settings = fp_gtk_widget_get_settings(result); 1162 fp_g_object_set(settings, "gtk-cursor-blink", FALSE, NULL); 1163 } 1164 result = gtk2_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE]; 1165 break; 1166 case DESKTOP_ICON: 1167 case INTERNAL_FRAME_TITLE_PANE: 1168 case LABEL: 1169 if (init_result = (NULL == gtk2_widgets[_GTK_LABEL_TYPE])) 1170 { 1171 gtk2_widgets[_GTK_LABEL_TYPE] = 1172 (*fp_gtk_label_new)(NULL); 1173 } 1174 result = gtk2_widgets[_GTK_LABEL_TYPE]; 1175 break; 1176 case DESKTOP_PANE: 1177 case PANEL: 1178 case ROOT_PANE: 1179 if (init_result = (NULL == gtk2_widgets[_GTK_CONTAINER_TYPE])) 1180 { 1181 /* There is no constructor for a container type. I've 1182 * choosen GtkFixed container since it has a default 1183 * constructor. 1184 */ 1185 gtk2_widgets[_GTK_CONTAINER_TYPE] = 1186 (*fp_gtk_fixed_new)(); 1187 } 1188 result = gtk2_widgets[_GTK_CONTAINER_TYPE]; 1189 break; 1190 case EDITOR_PANE: 1191 case TEXT_AREA: 1192 case TEXT_PANE: 1193 if (init_result = (NULL == gtk2_widgets[_GTK_TEXT_VIEW_TYPE])) 1194 { 1195 gtk2_widgets[_GTK_TEXT_VIEW_TYPE] = 1196 (*fp_gtk_text_view_new)(); 1197 } 1198 result = gtk2_widgets[_GTK_TEXT_VIEW_TYPE]; 1199 break; 1200 case FORMATTED_TEXT_FIELD: 1201 case PASSWORD_FIELD: 1202 case TEXT_FIELD: 1203 if (init_result = (NULL == gtk2_widgets[_GTK_ENTRY_TYPE])) 1204 { 1205 gtk2_widgets[_GTK_ENTRY_TYPE] = 1206 (*fp_gtk_entry_new)(); 1207 1208 GtkSettings* settings = 1209 fp_gtk_widget_get_settings(gtk2_widgets[_GTK_ENTRY_TYPE]); 1210 fp_g_object_set(settings, "gtk-cursor-blink", FALSE, NULL); 1211 } 1212 result = gtk2_widgets[_GTK_ENTRY_TYPE]; 1213 break; 1214 case HANDLE_BOX: 1215 if (init_result = (NULL == gtk2_widgets[_GTK_HANDLE_BOX_TYPE])) 1216 { 1217 gtk2_widgets[_GTK_HANDLE_BOX_TYPE] = 1218 (*fp_gtk_handle_box_new)(); 1219 } 1220 result = gtk2_widgets[_GTK_HANDLE_BOX_TYPE]; 1221 break; 1222 case HSCROLL_BAR: 1223 case HSCROLL_BAR_BUTTON_LEFT: 1224 case HSCROLL_BAR_BUTTON_RIGHT: 1225 case HSCROLL_BAR_TRACK: 1226 case HSCROLL_BAR_THUMB: 1227 if (init_result = (NULL == gtk2_widgets[_GTK_HSCROLLBAR_TYPE])) 1228 { 1229 gtk2_widgets[_GTK_HSCROLLBAR_TYPE] = 1230 (*fp_gtk_hscrollbar_new)(create_adjustment()); 1231 } 1232 result = gtk2_widgets[_GTK_HSCROLLBAR_TYPE]; 1233 break; 1234 case HSEPARATOR: 1235 if (init_result = (NULL == gtk2_widgets[_GTK_HSEPARATOR_TYPE])) 1236 { 1237 gtk2_widgets[_GTK_HSEPARATOR_TYPE] = 1238 (*fp_gtk_hseparator_new)(); 1239 } 1240 result = gtk2_widgets[_GTK_HSEPARATOR_TYPE]; 1241 break; 1242 case HSLIDER: 1243 case HSLIDER_THUMB: 1244 case HSLIDER_TRACK: 1245 if (init_result = (NULL == gtk2_widgets[_GTK_HSCALE_TYPE])) 1246 { 1247 gtk2_widgets[_GTK_HSCALE_TYPE] = 1248 (*fp_gtk_hscale_new)(NULL); 1249 } 1250 result = gtk2_widgets[_GTK_HSCALE_TYPE]; 1251 break; 1252 case HSPLIT_PANE_DIVIDER: 1253 case SPLIT_PANE: 1254 if (init_result = (NULL == gtk2_widgets[_GTK_HPANED_TYPE])) 1255 { 1256 gtk2_widgets[_GTK_HPANED_TYPE] = (*fp_gtk_hpaned_new)(); 1257 } 1258 result = gtk2_widgets[_GTK_HPANED_TYPE]; 1259 break; 1260 case IMAGE: 1261 if (init_result = (NULL == gtk2_widgets[_GTK_IMAGE_TYPE])) 1262 { 1263 gtk2_widgets[_GTK_IMAGE_TYPE] = (*fp_gtk_image_new)(); 1264 } 1265 result = gtk2_widgets[_GTK_IMAGE_TYPE]; 1266 break; 1267 case INTERNAL_FRAME: 1268 if (init_result = (NULL == gtk2_widgets[_GTK_WINDOW_TYPE])) 1269 { 1270 gtk2_widgets[_GTK_WINDOW_TYPE] = 1271 (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL); 1272 } 1273 result = gtk2_widgets[_GTK_WINDOW_TYPE]; 1274 break; 1275 case TOOL_TIP: 1276 if (init_result = (NULL == gtk2_widgets[_GTK_TOOLTIP_TYPE])) 1277 { 1278 result = (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL); 1279 (*fp_gtk_widget_set_name)(result, "gtk-tooltips"); 1280 gtk2_widgets[_GTK_TOOLTIP_TYPE] = result; 1281 } 1282 result = gtk2_widgets[_GTK_TOOLTIP_TYPE]; 1283 break; 1284 case LIST: 1285 case TABLE: 1286 case TREE: 1287 case TREE_CELL: 1288 if (init_result = (NULL == gtk2_widgets[_GTK_TREE_VIEW_TYPE])) 1289 { 1290 gtk2_widgets[_GTK_TREE_VIEW_TYPE] = 1291 (*fp_gtk_tree_view_new)(); 1292 } 1293 result = gtk2_widgets[_GTK_TREE_VIEW_TYPE]; 1294 break; 1295 case TITLED_BORDER: 1296 if (init_result = (NULL == gtk2_widgets[_GTK_FRAME_TYPE])) 1297 { 1298 gtk2_widgets[_GTK_FRAME_TYPE] = fp_gtk_frame_new(NULL); 1299 } 1300 result = gtk2_widgets[_GTK_FRAME_TYPE]; 1301 break; 1302 case POPUP_MENU: 1303 if (init_result = (NULL == gtk2_widgets[_GTK_MENU_TYPE])) 1304 { 1305 gtk2_widgets[_GTK_MENU_TYPE] = 1306 (*fp_gtk_menu_new)(); 1307 } 1308 result = gtk2_widgets[_GTK_MENU_TYPE]; 1309 break; 1310 case MENU: 1311 case MENU_ITEM: 1312 case MENU_ITEM_ACCELERATOR: 1313 if (init_result = (NULL == gtk2_widgets[_GTK_MENU_ITEM_TYPE])) 1314 { 1315 gtk2_widgets[_GTK_MENU_ITEM_TYPE] = 1316 (*fp_gtk_menu_item_new)(); 1317 } 1318 result = gtk2_widgets[_GTK_MENU_ITEM_TYPE]; 1319 break; 1320 case MENU_BAR: 1321 if (init_result = (NULL == gtk2_widgets[_GTK_MENU_BAR_TYPE])) 1322 { 1323 gtk2_widgets[_GTK_MENU_BAR_TYPE] = 1324 (*fp_gtk_menu_bar_new)(); 1325 } 1326 result = gtk2_widgets[_GTK_MENU_BAR_TYPE]; 1327 break; 1328 case COLOR_CHOOSER: 1329 case OPTION_PANE: 1330 if (init_result = (NULL == gtk2_widgets[_GTK_DIALOG_TYPE])) 1331 { 1332 gtk2_widgets[_GTK_DIALOG_TYPE] = 1333 (*fp_gtk_dialog_new)(); 1334 } 1335 result = gtk2_widgets[_GTK_DIALOG_TYPE]; 1336 break; 1337 case POPUP_MENU_SEPARATOR: 1338 if (init_result = 1339 (NULL == gtk2_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE])) 1340 { 1341 gtk2_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE] = 1342 (*fp_gtk_separator_menu_item_new)(); 1343 } 1344 result = gtk2_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE]; 1345 break; 1346 case HPROGRESS_BAR: 1347 if (init_result = (NULL == gtk2_widgets[_GTK_HPROGRESS_BAR_TYPE])) 1348 { 1349 gtk2_widgets[_GTK_HPROGRESS_BAR_TYPE] = 1350 (*fp_gtk_progress_bar_new)(); 1351 } 1352 result = gtk2_widgets[_GTK_HPROGRESS_BAR_TYPE]; 1353 break; 1354 case VPROGRESS_BAR: 1355 if (init_result = (NULL == gtk2_widgets[_GTK_VPROGRESS_BAR_TYPE])) 1356 { 1357 gtk2_widgets[_GTK_VPROGRESS_BAR_TYPE] = 1358 (*fp_gtk_progress_bar_new)(); 1359 /* 1360 * Vertical JProgressBars always go bottom-to-top, 1361 * regardless of the ComponentOrientation. 1362 */ 1363 (*fp_gtk_progress_bar_set_orientation)( 1364 (GtkProgressBar *)gtk2_widgets[_GTK_VPROGRESS_BAR_TYPE], 1365 GTK_PROGRESS_BOTTOM_TO_TOP); 1366 } 1367 result = gtk2_widgets[_GTK_VPROGRESS_BAR_TYPE]; 1368 break; 1369 case RADIO_BUTTON: 1370 if (init_result = (NULL == gtk2_widgets[_GTK_RADIO_BUTTON_TYPE])) 1371 { 1372 gtk2_widgets[_GTK_RADIO_BUTTON_TYPE] = 1373 (*fp_gtk_radio_button_new)(NULL); 1374 } 1375 result = gtk2_widgets[_GTK_RADIO_BUTTON_TYPE]; 1376 break; 1377 case RADIO_BUTTON_MENU_ITEM: 1378 if (init_result = 1379 (NULL == gtk2_widgets[_GTK_RADIO_MENU_ITEM_TYPE])) 1380 { 1381 gtk2_widgets[_GTK_RADIO_MENU_ITEM_TYPE] = 1382 (*fp_gtk_radio_menu_item_new)(NULL); 1383 } 1384 result = gtk2_widgets[_GTK_RADIO_MENU_ITEM_TYPE]; 1385 break; 1386 case SCROLL_PANE: 1387 if (init_result = 1388 (NULL == gtk2_widgets[_GTK_SCROLLED_WINDOW_TYPE])) 1389 { 1390 gtk2_widgets[_GTK_SCROLLED_WINDOW_TYPE] = 1391 (*fp_gtk_scrolled_window_new)(NULL, NULL); 1392 } 1393 result = gtk2_widgets[_GTK_SCROLLED_WINDOW_TYPE]; 1394 break; 1395 case SPINNER: 1396 case SPINNER_ARROW_BUTTON: 1397 case SPINNER_TEXT_FIELD: 1398 if (init_result = (NULL == gtk2_widgets[_GTK_SPIN_BUTTON_TYPE])) 1399 { 1400 result = gtk2_widgets[_GTK_SPIN_BUTTON_TYPE] = 1401 (*fp_gtk_spin_button_new)(NULL, 0, 0); 1402 1403 GtkSettings* settings = fp_gtk_widget_get_settings(result); 1404 fp_g_object_set(settings, "gtk-cursor-blink", FALSE, NULL); 1405 } 1406 result = gtk2_widgets[_GTK_SPIN_BUTTON_TYPE]; 1407 break; 1408 case TABBED_PANE: 1409 case TABBED_PANE_TAB_AREA: 1410 case TABBED_PANE_CONTENT: 1411 case TABBED_PANE_TAB: 1412 if (init_result = (NULL == gtk2_widgets[_GTK_NOTEBOOK_TYPE])) 1413 { 1414 gtk2_widgets[_GTK_NOTEBOOK_TYPE] = 1415 (*fp_gtk_notebook_new)(NULL); 1416 } 1417 result = gtk2_widgets[_GTK_NOTEBOOK_TYPE]; 1418 break; 1419 case TOGGLE_BUTTON: 1420 if (init_result = (NULL == gtk2_widgets[_GTK_TOGGLE_BUTTON_TYPE])) 1421 { 1422 gtk2_widgets[_GTK_TOGGLE_BUTTON_TYPE] = 1423 (*fp_gtk_toggle_button_new)(NULL); 1424 } 1425 result = gtk2_widgets[_GTK_TOGGLE_BUTTON_TYPE]; 1426 break; 1427 case TOOL_BAR: 1428 case TOOL_BAR_DRAG_WINDOW: 1429 if (init_result = (NULL == gtk2_widgets[_GTK_TOOLBAR_TYPE])) 1430 { 1431 gtk2_widgets[_GTK_TOOLBAR_TYPE] = 1432 (*fp_gtk_toolbar_new)(NULL); 1433 } 1434 result = gtk2_widgets[_GTK_TOOLBAR_TYPE]; 1435 break; 1436 case TOOL_BAR_SEPARATOR: 1437 if (init_result = 1438 (NULL == gtk2_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE])) 1439 { 1440 gtk2_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE] = 1441 (*fp_gtk_separator_tool_item_new)(); 1442 } 1443 result = gtk2_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE]; 1444 break; 1445 case VIEWPORT: 1446 if (init_result = (NULL == gtk2_widgets[_GTK_VIEWPORT_TYPE])) 1447 { 1448 GtkAdjustment *adjustment = create_adjustment(); 1449 gtk2_widgets[_GTK_VIEWPORT_TYPE] = 1450 (*fp_gtk_viewport_new)(adjustment, adjustment); 1451 } 1452 result = gtk2_widgets[_GTK_VIEWPORT_TYPE]; 1453 break; 1454 case VSCROLL_BAR: 1455 case VSCROLL_BAR_BUTTON_UP: 1456 case VSCROLL_BAR_BUTTON_DOWN: 1457 case VSCROLL_BAR_TRACK: 1458 case VSCROLL_BAR_THUMB: 1459 if (init_result = (NULL == gtk2_widgets[_GTK_VSCROLLBAR_TYPE])) 1460 { 1461 gtk2_widgets[_GTK_VSCROLLBAR_TYPE] = 1462 (*fp_gtk_vscrollbar_new)(create_adjustment()); 1463 } 1464 result = gtk2_widgets[_GTK_VSCROLLBAR_TYPE]; 1465 break; 1466 case VSEPARATOR: 1467 if (init_result = (NULL == gtk2_widgets[_GTK_VSEPARATOR_TYPE])) 1468 { 1469 gtk2_widgets[_GTK_VSEPARATOR_TYPE] = 1470 (*fp_gtk_vseparator_new)(); 1471 } 1472 result = gtk2_widgets[_GTK_VSEPARATOR_TYPE]; 1473 break; 1474 case VSLIDER: 1475 case VSLIDER_THUMB: 1476 case VSLIDER_TRACK: 1477 if (init_result = (NULL == gtk2_widgets[_GTK_VSCALE_TYPE])) 1478 { 1479 gtk2_widgets[_GTK_VSCALE_TYPE] = 1480 (*fp_gtk_vscale_new)(NULL); 1481 } 1482 result = gtk2_widgets[_GTK_VSCALE_TYPE]; 1483 /* 1484 * Vertical JSliders start at the bottom, while vertical 1485 * GtkVScale widgets start at the top (by default), so to fix 1486 * this we set the "inverted" flag to get the Swing behavior. 1487 */ 1488 ((GtkRange*)result)->inverted = 1; 1489 break; 1490 case VSPLIT_PANE_DIVIDER: 1491 if (init_result = (NULL == gtk2_widgets[_GTK_VPANED_TYPE])) 1492 { 1493 gtk2_widgets[_GTK_VPANED_TYPE] = (*fp_gtk_vpaned_new)(); 1494 } 1495 result = gtk2_widgets[_GTK_VPANED_TYPE]; 1496 break; 1497 default: 1498 result = NULL; 1499 break; 1500 } 1501 1502 if (result != NULL && init_result) 1503 { 1504 if (widget_type == RADIO_BUTTON_MENU_ITEM || 1505 widget_type == CHECK_BOX_MENU_ITEM || 1506 widget_type == MENU_ITEM || 1507 widget_type == MENU || 1508 widget_type == POPUP_MENU_SEPARATOR) 1509 { 1510 GtkWidget *menu = gtk2_get_widget(POPUP_MENU); 1511 (*fp_gtk_menu_shell_append)((GtkMenuShell *)menu, result); 1512 } 1513 else if (widget_type == POPUP_MENU) 1514 { 1515 GtkWidget *menu_bar = gtk2_get_widget(MENU_BAR); 1516 GtkWidget *root_menu = (*fp_gtk_menu_item_new)(); 1517 (*fp_gtk_menu_item_set_submenu)((GtkMenuItem*)root_menu, result); 1518 (*fp_gtk_menu_shell_append)((GtkMenuShell *)menu_bar, root_menu); 1519 } 1520 else if (widget_type == COMBO_BOX_ARROW_BUTTON || 1521 widget_type == COMBO_BOX_TEXT_FIELD) 1522 { 1523 /* 1524 * We add a regular GtkButton/GtkEntry to a GtkComboBoxEntry 1525 * in order to trick engines into thinking it's a real combobox 1526 * arrow button/text field. 1527 */ 1528 GtkWidget *combo = (*fp_gtk_combo_box_entry_new)(); 1529 1530 if (new_combo && widget_type == COMBO_BOX_ARROW_BUTTON) { 1531 (*fp_gtk_widget_set_parent)(result, combo); 1532 ((GtkBin*)combo)->child = result; 1533 } else { 1534 (*fp_gtk_container_add)((GtkContainer *)combo, result); 1535 } 1536 (*fp_gtk_container_add)((GtkContainer *)gtk2_fixed, combo); 1537 } 1538 else if (widget_type != TOOL_TIP && 1539 widget_type != INTERNAL_FRAME && 1540 widget_type != OPTION_PANE) 1541 { 1542 (*fp_gtk_container_add)((GtkContainer *)gtk2_fixed, result); 1543 } 1544 (*fp_gtk_widget_realize)(result); 1545 } 1546 return result; 1547 } 1548 1549 void gtk2_paint_arrow(WidgetType widget_type, GtkStateType state_type, 1550 GtkShadowType shadow_type, const gchar *detail, 1551 gint x, gint y, gint width, gint height, 1552 GtkArrowType arrow_type, gboolean fill) 1553 { 1554 static int w, h; 1555 static GtkRequisition size; 1556 1557 if (widget_type == COMBO_BOX_ARROW_BUTTON || widget_type == TABLE) 1558 gtk2_widget = gtk2_get_arrow(arrow_type, shadow_type); 1559 else 1560 gtk2_widget = gtk2_get_widget(widget_type); 1561 1562 switch (widget_type) 1563 { 1564 case SPINNER_ARROW_BUTTON: 1565 x = 1; 1566 y = ((arrow_type == GTK_ARROW_UP) ? 2 : 0); 1567 height -= 2; 1568 width -= 3; 1569 1570 w = width / 2; 1571 w -= w % 2 - 1; 1572 h = (w + 1) / 2; 1573 break; 1574 1575 case HSCROLL_BAR_BUTTON_LEFT: 1576 case HSCROLL_BAR_BUTTON_RIGHT: 1577 case VSCROLL_BAR_BUTTON_UP: 1578 case VSCROLL_BAR_BUTTON_DOWN: 1579 w = width / 2; 1580 h = height / 2; 1581 break; 1582 1583 case COMBO_BOX_ARROW_BUTTON: 1584 case TABLE: 1585 x = 1; 1586 (*fp_gtk_widget_size_request)(gtk2_widget, &size); 1587 w = size.width - ((GtkMisc*)gtk2_widget)->xpad * 2; 1588 h = size.height - ((GtkMisc*)gtk2_widget)->ypad * 2; 1589 w = h = MIN(MIN(w, h), MIN(width,height)) * 0.7; 1590 break; 1591 1592 default: 1593 w = width; 1594 h = height; 1595 break; 1596 } 1597 x += (width - w) / 2; 1598 y += (height - h) / 2; 1599 1600 (*fp_gtk_paint_arrow)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1601 shadow_type, NULL, gtk2_widget, detail, arrow_type, fill, 1602 x, y, w, h); 1603 (*fp_gtk_paint_arrow)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1604 shadow_type, NULL, gtk2_widget, detail, arrow_type, fill, 1605 x, y, w, h); 1606 } 1607 1608 void gtk2_paint_box(WidgetType widget_type, GtkStateType state_type, 1609 GtkShadowType shadow_type, const gchar *detail, 1610 gint x, gint y, gint width, gint height, 1611 gint synth_state, GtkTextDirection dir) 1612 { 1613 gtk2_widget = gtk2_get_widget(widget_type); 1614 1615 /* 1616 * The clearlooks engine sometimes looks at the widget's state field 1617 * instead of just the state_type variable that we pass in, so to account 1618 * for those cases we set the widget's state field accordingly. The 1619 * flags field is similarly important for things like focus/default state. 1620 */ 1621 gtk2_widget->state = state_type; 1622 1623 if (widget_type == HSLIDER_TRACK) { 1624 /* 1625 * For horizontal JSliders with right-to-left orientation, we need 1626 * to set the "inverted" flag to match the native GTK behavior where 1627 * the foreground highlight is on the right side of the slider thumb. 1628 * This is needed especially for the ubuntulooks engine, which looks 1629 * exclusively at the "inverted" flag to determine on which side of 1630 * the thumb to paint the highlight... 1631 */ 1632 ((GtkRange*)gtk2_widget)->inverted = (dir == GTK_TEXT_DIR_RTL); 1633 1634 /* 1635 * Note however that other engines like clearlooks will look at both 1636 * the "inverted" field and the text direction to determine how 1637 * the foreground highlight is painted: 1638 * !inverted && ltr --> paint highlight on left side 1639 * !inverted && rtl --> paint highlight on right side 1640 * inverted && ltr --> paint highlight on right side 1641 * inverted && rtl --> paint highlight on left side 1642 * So the only way to reliably get the desired results for horizontal 1643 * JSlider (i.e., highlight on left side for LTR ComponentOrientation 1644 * and highlight on right side for RTL ComponentOrientation) is to 1645 * always override text direction as LTR, and then set the "inverted" 1646 * flag accordingly (as we have done above). 1647 */ 1648 dir = GTK_TEXT_DIR_LTR; 1649 } 1650 1651 /* 1652 * Some engines (e.g. clearlooks) will paint the shadow of certain 1653 * widgets (e.g. COMBO_BOX_ARROW_BUTTON) differently depending on the 1654 * the text direction. 1655 */ 1656 gtk2_set_direction(gtk2_widget, dir); 1657 1658 switch (widget_type) { 1659 case BUTTON: 1660 if (synth_state & DEFAULT) { 1661 ((GtkObject*)gtk2_widget)->flags |= GTK_HAS_DEFAULT; 1662 } else { 1663 ((GtkObject*)gtk2_widget)->flags &= ~GTK_HAS_DEFAULT; 1664 } 1665 break; 1666 case TOGGLE_BUTTON: 1667 init_toggle_widget(widget_type, synth_state); 1668 break; 1669 case HSCROLL_BAR_BUTTON_LEFT: 1670 /* 1671 * The clearlooks engine will draw a "left" button when: 1672 * x == w->allocation.x 1673 * 1674 * The ubuntulooks engine will draw a "left" button when: 1675 * [x,y,width,height] 1676 * intersects 1677 * [w->alloc.x,w->alloc.y,width,height] 1678 * 1679 * The values that are set below should ensure that a "left" 1680 * button is rendered for both of these (and other) engines. 1681 */ 1682 gtk2_widget->allocation.x = x; 1683 gtk2_widget->allocation.y = y; 1684 gtk2_widget->allocation.width = width; 1685 gtk2_widget->allocation.height = height; 1686 break; 1687 case HSCROLL_BAR_BUTTON_RIGHT: 1688 /* 1689 * The clearlooks engine will draw a "right" button when: 1690 * x + width == w->allocation.x + w->allocation.width 1691 * 1692 * The ubuntulooks engine will draw a "right" button when: 1693 * [x,y,width,height] 1694 * does not intersect 1695 * [w->alloc.x,w->alloc.y,width,height] 1696 * but does intersect 1697 * [w->alloc.x+width,w->alloc.y,width,height] 1698 * 1699 * The values that are set below should ensure that a "right" 1700 * button is rendered for both of these (and other) engines. 1701 */ 1702 gtk2_widget->allocation.x = x+width; 1703 gtk2_widget->allocation.y = 0; 1704 gtk2_widget->allocation.width = 0; 1705 gtk2_widget->allocation.height = height; 1706 break; 1707 case VSCROLL_BAR_BUTTON_UP: 1708 /* 1709 * The clearlooks engine will draw an "up" button when: 1710 * y == w->allocation.y 1711 * 1712 * The ubuntulooks engine will draw an "up" button when: 1713 * [x,y,width,height] 1714 * intersects 1715 * [w->alloc.x,w->alloc.y,width,height] 1716 * 1717 * The values that are set below should ensure that an "up" 1718 * button is rendered for both of these (and other) engines. 1719 */ 1720 gtk2_widget->allocation.x = x; 1721 gtk2_widget->allocation.y = y; 1722 gtk2_widget->allocation.width = width; 1723 gtk2_widget->allocation.height = height; 1724 break; 1725 case VSCROLL_BAR_BUTTON_DOWN: 1726 /* 1727 * The clearlooks engine will draw a "down" button when: 1728 * y + height == w->allocation.y + w->allocation.height 1729 * 1730 * The ubuntulooks engine will draw a "down" button when: 1731 * [x,y,width,height] 1732 * does not intersect 1733 * [w->alloc.x,w->alloc.y,width,height] 1734 * but does intersect 1735 * [w->alloc.x,w->alloc.y+height,width,height] 1736 * 1737 * The values that are set below should ensure that a "down" 1738 * button is rendered for both of these (and other) engines. 1739 */ 1740 gtk2_widget->allocation.x = x; 1741 gtk2_widget->allocation.y = y+height; 1742 gtk2_widget->allocation.width = width; 1743 gtk2_widget->allocation.height = 0; 1744 break; 1745 default: 1746 break; 1747 } 1748 1749 (*fp_gtk_paint_box)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1750 shadow_type, NULL, gtk2_widget, detail, x, y, width, height); 1751 (*fp_gtk_paint_box)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1752 shadow_type, NULL, gtk2_widget, detail, x, y, width, height); 1753 1754 /* 1755 * Reset the text direction to the default value so that we don't 1756 * accidentally affect other operations and widgets. 1757 */ 1758 gtk2_set_direction(gtk2_widget, GTK_TEXT_DIR_LTR); 1759 } 1760 1761 void gtk2_paint_box_gap(WidgetType widget_type, GtkStateType state_type, 1762 GtkShadowType shadow_type, const gchar *detail, 1763 gint x, gint y, gint width, gint height, 1764 GtkPositionType gap_side, gint gap_x, gint gap_width) 1765 { 1766 /* Clearlooks needs a real clip area to paint the gap properly */ 1767 GdkRectangle area = { x, y, width, height }; 1768 1769 gtk2_widget = gtk2_get_widget(widget_type); 1770 (*fp_gtk_paint_box_gap)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1771 shadow_type, &area, gtk2_widget, detail, 1772 x, y, width, height, gap_side, gap_x, gap_width); 1773 (*fp_gtk_paint_box_gap)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1774 shadow_type, &area, gtk2_widget, detail, 1775 x, y, width, height, gap_side, gap_x, gap_width); 1776 } 1777 1778 void gtk2_paint_check(WidgetType widget_type, gint synth_state, 1779 const gchar *detail, gint x, gint y, gint width, gint height) 1780 { 1781 GtkStateType state_type = get_gtk_state_type(widget_type, synth_state); 1782 GtkShadowType shadow_type = get_gtk_shadow_type(widget_type, synth_state); 1783 1784 gtk2_widget = gtk2_get_widget(widget_type); 1785 init_toggle_widget(widget_type, synth_state); 1786 1787 (*fp_gtk_paint_check)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1788 shadow_type, NULL, gtk2_widget, detail, 1789 x, y, width, height); 1790 (*fp_gtk_paint_check)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1791 shadow_type, NULL, gtk2_widget, detail, 1792 x, y, width, height); 1793 } 1794 1795 void gtk2_paint_diamond(WidgetType widget_type, GtkStateType state_type, 1796 GtkShadowType shadow_type, const gchar *detail, 1797 gint x, gint y, gint width, gint height) 1798 { 1799 gtk2_widget = gtk2_get_widget(widget_type); 1800 (*fp_gtk_paint_diamond)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1801 shadow_type, NULL, gtk2_widget, detail, 1802 x, y, width, height); 1803 (*fp_gtk_paint_diamond)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1804 shadow_type, NULL, gtk2_widget, detail, 1805 x, y, width, height); 1806 } 1807 1808 void gtk2_paint_expander(WidgetType widget_type, GtkStateType state_type, 1809 const gchar *detail, gint x, gint y, gint width, gint height, 1810 GtkExpanderStyle expander_style) 1811 { 1812 gtk2_widget = gtk2_get_widget(widget_type); 1813 (*fp_gtk_paint_expander)(gtk2_widget->style, gtk2_white_pixmap, 1814 state_type, NULL, gtk2_widget, detail, 1815 x + width / 2, y + height / 2, expander_style); 1816 (*fp_gtk_paint_expander)(gtk2_widget->style, gtk2_black_pixmap, 1817 state_type, NULL, gtk2_widget, detail, 1818 x + width / 2, y + height / 2, expander_style); 1819 } 1820 1821 void gtk2_paint_extension(WidgetType widget_type, GtkStateType state_type, 1822 GtkShadowType shadow_type, const gchar *detail, 1823 gint x, gint y, gint width, gint height, GtkPositionType gap_side) 1824 { 1825 gtk2_widget = gtk2_get_widget(widget_type); 1826 (*fp_gtk_paint_extension)(gtk2_widget->style, gtk2_white_pixmap, 1827 state_type, shadow_type, NULL, gtk2_widget, detail, 1828 x, y, width, height, gap_side); 1829 (*fp_gtk_paint_extension)(gtk2_widget->style, gtk2_black_pixmap, 1830 state_type, shadow_type, NULL, gtk2_widget, detail, 1831 x, y, width, height, gap_side); 1832 } 1833 1834 void gtk2_paint_flat_box(WidgetType widget_type, GtkStateType state_type, 1835 GtkShadowType shadow_type, const gchar *detail, 1836 gint x, gint y, gint width, gint height, gboolean has_focus) 1837 { 1838 gtk2_widget = gtk2_get_widget(widget_type); 1839 1840 if (has_focus) 1841 ((GtkObject*)gtk2_widget)->flags |= GTK_HAS_FOCUS; 1842 else 1843 ((GtkObject*)gtk2_widget)->flags &= ~GTK_HAS_FOCUS; 1844 1845 (*fp_gtk_paint_flat_box)(gtk2_widget->style, gtk2_white_pixmap, 1846 state_type, shadow_type, NULL, gtk2_widget, detail, 1847 x, y, width, height); 1848 (*fp_gtk_paint_flat_box)(gtk2_widget->style, gtk2_black_pixmap, 1849 state_type, shadow_type, NULL, gtk2_widget, detail, 1850 x, y, width, height); 1851 } 1852 1853 void gtk2_paint_focus(WidgetType widget_type, GtkStateType state_type, 1854 const char *detail, gint x, gint y, gint width, gint height) 1855 { 1856 gtk2_widget = gtk2_get_widget(widget_type); 1857 (*fp_gtk_paint_focus)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1858 NULL, gtk2_widget, detail, x, y, width, height); 1859 (*fp_gtk_paint_focus)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1860 NULL, gtk2_widget, detail, x, y, width, height); 1861 } 1862 1863 void gtk2_paint_handle(WidgetType widget_type, GtkStateType state_type, 1864 GtkShadowType shadow_type, const gchar *detail, 1865 gint x, gint y, gint width, gint height, GtkOrientation orientation) 1866 { 1867 gtk2_widget = gtk2_get_widget(widget_type); 1868 (*fp_gtk_paint_handle)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1869 shadow_type, NULL, gtk2_widget, detail, 1870 x, y, width, height, orientation); 1871 (*fp_gtk_paint_handle)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1872 shadow_type, NULL, gtk2_widget, detail, 1873 x, y, width, height, orientation); 1874 } 1875 1876 void gtk2_paint_hline(WidgetType widget_type, GtkStateType state_type, 1877 const gchar *detail, gint x, gint y, gint width, gint height) 1878 { 1879 gtk2_widget = gtk2_get_widget(widget_type); 1880 (*fp_gtk_paint_hline)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1881 NULL, gtk2_widget, detail, x, x + width, y); 1882 (*fp_gtk_paint_hline)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1883 NULL, gtk2_widget, detail, x, x + width, y); 1884 } 1885 1886 void gtk2_paint_option(WidgetType widget_type, gint synth_state, 1887 const gchar *detail, gint x, gint y, gint width, gint height) 1888 { 1889 GtkStateType state_type = get_gtk_state_type(widget_type, synth_state); 1890 GtkShadowType shadow_type = get_gtk_shadow_type(widget_type, synth_state); 1891 1892 gtk2_widget = gtk2_get_widget(widget_type); 1893 init_toggle_widget(widget_type, synth_state); 1894 1895 (*fp_gtk_paint_option)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1896 shadow_type, NULL, gtk2_widget, detail, 1897 x, y, width, height); 1898 (*fp_gtk_paint_option)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1899 shadow_type, NULL, gtk2_widget, detail, 1900 x, y, width, height); 1901 } 1902 1903 void gtk2_paint_shadow(WidgetType widget_type, GtkStateType state_type, 1904 GtkShadowType shadow_type, const gchar *detail, 1905 gint x, gint y, gint width, gint height, 1906 gint synth_state, GtkTextDirection dir) 1907 { 1908 gtk2_widget = gtk2_get_widget(widget_type); 1909 1910 /* 1911 * The clearlooks engine sometimes looks at the widget's state field 1912 * instead of just the state_type variable that we pass in, so to account 1913 * for those cases we set the widget's state field accordingly. The 1914 * flags field is similarly important for things like focus state. 1915 */ 1916 gtk2_widget->state = state_type; 1917 1918 /* 1919 * Some engines (e.g. clearlooks) will paint the shadow of certain 1920 * widgets (e.g. COMBO_BOX_TEXT_FIELD) differently depending on the 1921 * the text direction. 1922 */ 1923 gtk2_set_direction(gtk2_widget, dir); 1924 1925 switch (widget_type) { 1926 case COMBO_BOX_TEXT_FIELD: 1927 case FORMATTED_TEXT_FIELD: 1928 case PASSWORD_FIELD: 1929 case SPINNER_TEXT_FIELD: 1930 case TEXT_FIELD: 1931 if (synth_state & FOCUSED) { 1932 ((GtkObject*)gtk2_widget)->flags |= GTK_HAS_FOCUS; 1933 } else { 1934 ((GtkObject*)gtk2_widget)->flags &= ~GTK_HAS_FOCUS; 1935 } 1936 break; 1937 default: 1938 break; 1939 } 1940 1941 (*fp_gtk_paint_shadow)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1942 shadow_type, NULL, gtk2_widget, detail, x, y, width, height); 1943 (*fp_gtk_paint_shadow)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1944 shadow_type, NULL, gtk2_widget, detail, x, y, width, height); 1945 1946 /* 1947 * Reset the text direction to the default value so that we don't 1948 * accidentally affect other operations and widgets. 1949 */ 1950 gtk2_set_direction(gtk2_widget, GTK_TEXT_DIR_LTR); 1951 } 1952 1953 void gtk2_paint_slider(WidgetType widget_type, GtkStateType state_type, 1954 GtkShadowType shadow_type, const gchar *detail, 1955 gint x, gint y, gint width, gint height, GtkOrientation orientation) 1956 { 1957 gtk2_widget = gtk2_get_widget(widget_type); 1958 (*fp_gtk_paint_slider)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1959 shadow_type, NULL, gtk2_widget, detail, 1960 x, y, width, height, orientation); 1961 (*fp_gtk_paint_slider)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1962 shadow_type, NULL, gtk2_widget, detail, 1963 x, y, width, height, orientation); 1964 } 1965 1966 void gtk2_paint_vline(WidgetType widget_type, GtkStateType state_type, 1967 const gchar *detail, gint x, gint y, gint width, gint height) 1968 { 1969 gtk2_widget = gtk2_get_widget(widget_type); 1970 (*fp_gtk_paint_vline)(gtk2_widget->style, gtk2_white_pixmap, state_type, 1971 NULL, gtk2_widget, detail, y, y + height, x); 1972 (*fp_gtk_paint_vline)(gtk2_widget->style, gtk2_black_pixmap, state_type, 1973 NULL, gtk2_widget, detail, y, y + height, x); 1974 } 1975 1976 void gtk_paint_background(WidgetType widget_type, GtkStateType state_type, 1977 gint x, gint y, gint width, gint height) 1978 { 1979 gtk2_widget = gtk2_get_widget(widget_type); 1980 (*fp_gtk_style_apply_default_background)(gtk2_widget->style, 1981 gtk2_white_pixmap, TRUE, state_type, NULL, x, y, width, height); 1982 (*fp_gtk_style_apply_default_background)(gtk2_widget->style, 1983 gtk2_black_pixmap, TRUE, state_type, NULL, x, y, width, height); 1984 } 1985 1986 GdkPixbuf *gtk2_get_stock_icon(gint widget_type, const gchar *stock_id, 1987 GtkIconSize size, GtkTextDirection direction, const char *detail) 1988 { 1989 init_containers(); 1990 gtk2_widget = gtk2_get_widget((widget_type < 0) ? IMAGE : widget_type); 1991 gtk2_widget->state = GTK_STATE_NORMAL; 1992 (*fp_gtk_widget_set_direction)(gtk2_widget, direction); 1993 return (*fp_gtk_widget_render_icon)(gtk2_widget, stock_id, size, detail); 1994 } 1995 1996 /*************************************************/ 1997 gint gtk2_get_xthickness(JNIEnv *env, WidgetType widget_type) 1998 { 1999 init_containers(); 2000 2001 gtk2_widget = gtk2_get_widget(widget_type); 2002 GtkStyle* style = gtk2_widget->style; 2003 return style->xthickness; 2004 } 2005 2006 gint gtk2_get_ythickness(JNIEnv *env, WidgetType widget_type) 2007 { 2008 init_containers(); 2009 2010 gtk2_widget = gtk2_get_widget(widget_type); 2011 GtkStyle* style = gtk2_widget->style; 2012 return style->ythickness; 2013 } 2014 2015 /*************************************************/ 2016 guint8 recode_color(guint16 channel) 2017 { 2018 return (guint8)(channel>>8); 2019 } 2020 2021 gint gtk2_get_color_for_state(JNIEnv *env, WidgetType widget_type, 2022 GtkStateType state_type, ColorType color_type) 2023 { 2024 gint result = 0; 2025 GdkColor *color = NULL; 2026 2027 init_containers(); 2028 2029 gtk2_widget = gtk2_get_widget(widget_type); 2030 GtkStyle* style = gtk2_widget->style; 2031 2032 switch (color_type) 2033 { 2034 case FOREGROUND: 2035 color = &(style->fg[state_type]); 2036 break; 2037 case BACKGROUND: 2038 color = &(style->bg[state_type]); 2039 break; 2040 case TEXT_FOREGROUND: 2041 color = &(style->text[state_type]); 2042 break; 2043 case TEXT_BACKGROUND: 2044 color = &(style->base[state_type]); 2045 break; 2046 case LIGHT: 2047 color = &(style->light[state_type]); 2048 break; 2049 case DARK: 2050 color = &(style->dark[state_type]); 2051 break; 2052 case MID: 2053 color = &(style->mid[state_type]); 2054 break; 2055 case FOCUS: 2056 case BLACK: 2057 color = &(style->black); 2058 break; 2059 case WHITE: 2060 color = &(style->white); 2061 break; 2062 } 2063 2064 if (color) 2065 result = recode_color(color->red) << 16 | 2066 recode_color(color->green) << 8 | 2067 recode_color(color->blue); 2068 2069 return result; 2070 } 2071 2072 /*************************************************/ 2073 jobject create_Boolean(JNIEnv *env, jboolean boolean_value); 2074 jobject create_Integer(JNIEnv *env, jint int_value); 2075 jobject create_Long(JNIEnv *env, jlong long_value); 2076 jobject create_Float(JNIEnv *env, jfloat float_value); 2077 jobject create_Double(JNIEnv *env, jdouble double_value); 2078 jobject create_Character(JNIEnv *env, jchar char_value); 2079 jobject create_Insets(JNIEnv *env, GtkBorder *border); 2080 2081 jobject gtk2_get_class_value(JNIEnv *env, WidgetType widget_type, jstring jkey) 2082 { 2083 init_containers(); 2084 2085 const char* key = getStrFor(env, jkey); 2086 gtk2_widget = gtk2_get_widget(widget_type); 2087 2088 GValue value; 2089 value.g_type = 0; 2090 2091 GParamSpec* param = (*fp_gtk_widget_class_find_style_property)( 2092 ((GTypeInstance*)gtk2_widget)->g_class, key); 2093 if( param ) 2094 { 2095 (*fp_g_value_init)( &value, param->value_type ); 2096 (*fp_gtk_widget_style_get_property)(gtk2_widget, key, &value); 2097 2098 if( (*fp_g_type_is_a)( param->value_type, G_TYPE_BOOLEAN )) 2099 { 2100 gboolean val = (*fp_g_value_get_boolean)(&value); 2101 return create_Boolean(env, (jboolean)val); 2102 } 2103 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_CHAR )) 2104 { 2105 gchar val = (*fp_g_value_get_char)(&value); 2106 return create_Character(env, (jchar)val); 2107 } 2108 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_UCHAR )) 2109 { 2110 guchar val = (*fp_g_value_get_uchar)(&value); 2111 return create_Character(env, (jchar)val); 2112 } 2113 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_INT )) 2114 { 2115 gint val = (*fp_g_value_get_int)(&value); 2116 return create_Integer(env, (jint)val); 2117 } 2118 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_UINT )) 2119 { 2120 guint val = (*fp_g_value_get_uint)(&value); 2121 return create_Integer(env, (jint)val); 2122 } 2123 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_LONG )) 2124 { 2125 glong val = (*fp_g_value_get_long)(&value); 2126 return create_Long(env, (jlong)val); 2127 } 2128 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_ULONG )) 2129 { 2130 gulong val = (*fp_g_value_get_ulong)(&value); 2131 return create_Long(env, (jlong)val); 2132 } 2133 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_INT64 )) 2134 { 2135 gint64 val = (*fp_g_value_get_int64)(&value); 2136 return create_Long(env, (jlong)val); 2137 } 2138 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_UINT64 )) 2139 { 2140 guint64 val = (*fp_g_value_get_uint64)(&value); 2141 return create_Long(env, (jlong)val); 2142 } 2143 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_FLOAT )) 2144 { 2145 gfloat val = (*fp_g_value_get_float)(&value); 2146 return create_Float(env, (jfloat)val); 2147 } 2148 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_DOUBLE )) 2149 { 2150 gdouble val = (*fp_g_value_get_double)(&value); 2151 return create_Double(env, (jdouble)val); 2152 } 2153 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_ENUM )) 2154 { 2155 gint val = (*fp_g_value_get_enum)(&value); 2156 return create_Integer(env, (jint)val); 2157 } 2158 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_FLAGS )) 2159 { 2160 guint val = (*fp_g_value_get_flags)(&value); 2161 return create_Integer(env, (jint)val); 2162 } 2163 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_STRING )) 2164 { 2165 const gchar* val = (*fp_g_value_get_string)(&value); 2166 2167 /* We suppose that all values come in C locale and 2168 * utf-8 representation of a string is the same as 2169 * the string itself. If this isn't so we should 2170 * use g_convert. 2171 */ 2172 return (*env)->NewStringUTF(env, val); 2173 } 2174 else if( (*fp_g_type_is_a)( param->value_type, GTK_TYPE_BORDER )) 2175 { 2176 GtkBorder *border = (GtkBorder*)(*fp_g_value_get_boxed)(&value); 2177 return border ? create_Insets(env, border) : NULL; 2178 } 2179 2180 /* TODO: Other types are not supported yet.*/ 2181 /* else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_PARAM )) 2182 { 2183 GParamSpec* val = (*fp_g_value_get_param)(&value); 2184 printf( "Param: %p\n", val ); 2185 } 2186 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_BOXED )) 2187 { 2188 gpointer* val = (*fp_g_value_get_boxed)(&value); 2189 printf( "Boxed: %p\n", val ); 2190 } 2191 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_POINTER )) 2192 { 2193 gpointer* val = (*fp_g_value_get_pointer)(&value); 2194 printf( "Pointer: %p\n", val ); 2195 } 2196 else if( (*fp_g_type_is_a)( param->value_type, G_TYPE_OBJECT )) 2197 { 2198 GObject* val = (GObject*)(*fp_g_value_get_object)(&value); 2199 printf( "Object: %p\n", val ); 2200 }*/ 2201 } 2202 2203 return NULL; 2204 } 2205 2206 void gtk2_set_range_value(WidgetType widget_type, jdouble value, 2207 jdouble min, jdouble max, jdouble visible) 2208 { 2209 GtkAdjustment *adj; 2210 2211 gtk2_widget = gtk2_get_widget(widget_type); 2212 2213 adj = (*fp_gtk_range_get_adjustment)((GtkRange *)gtk2_widget); 2214 adj->value = (gdouble)value; 2215 adj->lower = (gdouble)min; 2216 adj->upper = (gdouble)max; 2217 adj->page_size = (gdouble)visible; 2218 } 2219 2220 /*************************************************/ 2221 jobject create_Object(JNIEnv *env, jmethodID *cid, 2222 const char* class_name, 2223 const char* signature, 2224 jvalue* value) 2225 { 2226 jclass class; 2227 jobject result; 2228 2229 class = (*env)->FindClass(env, class_name); 2230 if( class == NULL ) 2231 return NULL; /* can't find/load the class, exception thrown */ 2232 2233 if( *cid == NULL) 2234 { 2235 *cid = (*env)->GetMethodID(env, class, "<init>", signature); 2236 if( *cid == NULL ) 2237 { 2238 (*env)->DeleteLocalRef(env, class); 2239 return NULL; /* can't find/get the method, exception thrown */ 2240 } 2241 } 2242 2243 result = (*env)->NewObjectA(env, class, *cid, value); 2244 2245 (*env)->DeleteLocalRef(env, class); 2246 return result; 2247 } 2248 2249 jobject create_Boolean(JNIEnv *env, jboolean boolean_value) 2250 { 2251 static jmethodID cid = NULL; 2252 jvalue value; 2253 2254 value.z = boolean_value; 2255 2256 return create_Object(env, &cid, "java/lang/Boolean", "(Z)V", &value); 2257 } 2258 2259 jobject create_Integer(JNIEnv *env, jint int_value) 2260 { 2261 static jmethodID cid = NULL; 2262 jvalue value; 2263 2264 value.i = int_value; 2265 2266 return create_Object(env, &cid, "java/lang/Integer", "(I)V", &value); 2267 } 2268 2269 jobject create_Long(JNIEnv *env, jlong long_value) 2270 { 2271 static jmethodID cid = NULL; 2272 jvalue value; 2273 2274 value.j = long_value; 2275 2276 return create_Object(env, &cid, "java/lang/Long", "(J)V", &value); 2277 } 2278 2279 jobject create_Float(JNIEnv *env, jfloat float_value) 2280 { 2281 static jmethodID cid = NULL; 2282 jvalue value; 2283 2284 value.f = float_value; 2285 2286 return create_Object(env, &cid, "java/lang/Float", "(F)V", &value); 2287 } 2288 2289 jobject create_Double(JNIEnv *env, jdouble double_value) 2290 { 2291 static jmethodID cid = NULL; 2292 jvalue value; 2293 2294 value.d = double_value; 2295 2296 return create_Object(env, &cid, "java/lang/Double", "(D)V", &value); 2297 } 2298 2299 jobject create_Character(JNIEnv *env, jchar char_value) 2300 { 2301 static jmethodID cid = NULL; 2302 jvalue value; 2303 2304 value.c = char_value; 2305 2306 return create_Object(env, &cid, "java/lang/Character", "(C)V", &value); 2307 } 2308 2309 2310 jobject create_Insets(JNIEnv *env, GtkBorder *border) 2311 { 2312 static jmethodID cid = NULL; 2313 jvalue values[4]; 2314 2315 values[0].i = border->top; 2316 values[1].i = border->left; 2317 values[2].i = border->bottom; 2318 values[3].i = border->right; 2319 2320 return create_Object(env, &cid, "java/awt/Insets", "(IIII)V", values); 2321 } 2322 2323 /*********************************************/ 2324 jstring gtk2_get_pango_font_name(JNIEnv *env, WidgetType widget_type) 2325 { 2326 init_containers(); 2327 2328 gtk2_widget = gtk2_get_widget(widget_type); 2329 jstring result = NULL; 2330 GtkStyle* style = gtk2_widget->style; 2331 2332 if (style && style->font_desc) 2333 { 2334 gchar* val = (*fp_pango_font_description_to_string)(style->font_desc); 2335 result = (*env)->NewStringUTF(env, val); 2336 (*fp_g_free)( val ); 2337 } 2338 2339 return result; 2340 } 2341 2342 /***********************************************/ 2343 jobject get_string_property(JNIEnv *env, GtkSettings* settings, const gchar* key) 2344 { 2345 jobject result = NULL; 2346 gchar* strval = NULL; 2347 2348 (*fp_g_object_get)(settings, key, &strval, NULL); 2349 result = (*env)->NewStringUTF(env, strval); 2350 (*fp_g_free)(strval); 2351 2352 return result; 2353 } 2354 /* 2355 jobject get_integer_property(JNIEnv *env, GtkSettings* settings, const gchar* key) 2356 { 2357 gint intval = NULL; 2358 2359 (*fp_g_object_get)(settings, key, &intval, NULL); 2360 return create_Integer(env, intval); 2361 }*/ 2362 2363 jobject gtk2_get_setting(JNIEnv *env, Setting property) 2364 { 2365 GtkSettings* settings = (*fp_gtk_settings_get_default)(); 2366 2367 switch (property) 2368 { 2369 case GTK_FONT_NAME: 2370 return get_string_property(env, settings, "gtk-font-name"); 2371 case GTK_ICON_SIZES: 2372 return get_string_property(env, settings, "gtk-icon-sizes"); 2373 } 2374 2375 return NULL; 2376 }