/* * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ #include #include #include #include #include #include "gtk3_interface.h" #include "java_awt_Transparency.h" #include "sizecalc.h" #include #include #include "awt.h" static void *gtk3_libhandle = NULL; static void *gthread_libhandle = NULL; static jmp_buf j; /* Widgets */ static GtkWidget *gtk3_widget = NULL; static GtkWidget *gtk3_window = NULL; static GtkFixed *gtk3_fixed = NULL; static GtkStyleProvider *gtk3_css = NULL; /* Paint system */ static cairo_surface_t *surface = NULL; static cairo_t *cr = NULL; static const char ENV_PREFIX[] = "GTK_MODULES="; static GtkWidget *gtk3_widgets[_GTK_WIDGET_TYPE_SIZE]; static void throw_exception(JNIEnv *env, const char* name, const char* message) { jclass class = (*env)->FindClass(env, name); if (class != NULL) (*env)->ThrowNew(env, class, message); (*env)->DeleteLocalRef(env, class); } static void gtk3_add_state(GtkWidget *widget, GtkStateType state) { GtkStateType old_state = fp_gtk_widget_get_state(widget); fp_gtk_widget_set_state(widget, old_state | state); } static void gtk3_remove_state(GtkWidget *widget, GtkStateType state) { GtkStateType old_state = fp_gtk_widget_get_state(widget); fp_gtk_widget_set_state(widget, old_state & ~state); } /* This is a workaround for the bug: * http://sourceware.org/bugzilla/show_bug.cgi?id=1814 * (dlsym/dlopen clears dlerror state) * This bug is specific to Linux, but there is no harm in * applying this workaround on Solaris as well. */ static void* dl_symbol(const char* name) { void* result = dlsym(gtk3_libhandle, name); if (!result) longjmp(j, NO_SYMBOL_EXCEPTION); return result; } static void* dl_symbol_gthread(const char* name) { void* result = dlsym(gthread_libhandle, name); if (!result) longjmp(j, NO_SYMBOL_EXCEPTION); return result; } gboolean gtk3_check(const char* lib_name, gboolean load) { if (gtk3_libhandle != NULL) { /* We've already successfully opened the GTK libs, so return true. */ return TRUE; } else { #ifdef RTLD_NOLOAD void *lib = dlopen(lib_name, RTLD_LAZY | RTLD_NOLOAD); if (!load || lib != NULL) { return lib != NULL; } #else #ifdef _AIX /* On AIX we could implement this with the help of loadquery(L_GETINFO, ..) */ /* (see reload_table() in hotspot/src/os/aix/vm/loadlib_aix.cpp) but it is */ /* probably not worth it because most AIX servers don't have GTK libs anyway */ #endif #endif return dlopen(lib_name, RTLD_LAZY | RTLD_LOCAL) != NULL; } } #define ADD_SUPPORTED_ACTION(actionStr) \ do { \ jfieldID fld_action = (*env)->GetStaticFieldID(env, cls_action, actionStr, \ "Ljava/awt/Desktop$Action;"); \ if (!(*env)->ExceptionCheck(env)) { \ jobject action = (*env)->GetStaticObjectField(env, cls_action, \ fld_action); \ (*env)->CallBooleanMethod(env, supportedActions, mid_arrayListAdd, \ action); \ } else { \ (*env)->ExceptionClear(env); \ } \ } while(0); static void update_supported_actions(JNIEnv *env) { GVfs * (*fp_g_vfs_get_default) (void); const gchar * const * (*fp_g_vfs_get_supported_uri_schemes) (GVfs * vfs); const gchar * const * schemes = NULL; jclass cls_action = (*env)->FindClass(env, "java/awt/Desktop$Action"); CHECK_NULL(cls_action); jclass cls_xDesktopPeer = (*env)-> FindClass(env, "sun/awt/X11/XDesktopPeer"); CHECK_NULL(cls_xDesktopPeer); jfieldID fld_supportedActions = (*env)->GetStaticFieldID(env, cls_xDesktopPeer, "supportedActions", "Ljava/util/List;"); CHECK_NULL(fld_supportedActions); jobject supportedActions = (*env)->GetStaticObjectField(env, cls_xDesktopPeer, fld_supportedActions); jclass cls_arrayList = (*env)->FindClass(env, "java/util/ArrayList"); CHECK_NULL(cls_arrayList); jmethodID mid_arrayListAdd = (*env)->GetMethodID(env, cls_arrayList, "add", "(Ljava/lang/Object;)Z"); CHECK_NULL(mid_arrayListAdd); jmethodID mid_arrayListClear = (*env)->GetMethodID(env, cls_arrayList, "clear", "()V"); CHECK_NULL(mid_arrayListClear); (*env)->CallVoidMethod(env, supportedActions, mid_arrayListClear); ADD_SUPPORTED_ACTION("OPEN"); /** * gtk_show_uri() documentation says: * * > you need to install gvfs to get support for uri schemes such as http:// * > or ftp://, as only local files are handled by GIO itself. * * So OPEN action was safely added here. * However, it looks like Solaris 11 have gvfs support only for 32-bit * applications only by default. */ fp_g_vfs_get_default = dl_symbol("g_vfs_get_default"); fp_g_vfs_get_supported_uri_schemes = dl_symbol("g_vfs_get_supported_uri_schemes"); dlerror(); if (fp_g_vfs_get_default && fp_g_vfs_get_supported_uri_schemes) { GVfs * vfs = fp_g_vfs_get_default(); schemes = vfs ? fp_g_vfs_get_supported_uri_schemes(vfs) : NULL; if (schemes) { int i = 0; while (schemes[i]) { if (strcmp(schemes[i], "http") == 0) { ADD_SUPPORTED_ACTION("BROWSE"); ADD_SUPPORTED_ACTION("MAIL"); break; } i++; } } } else { #ifdef DEBUG fprintf(stderr, "Cannot load g_vfs_get_supported_uri_schemes\n"); #endif /* DEBUG */ } } /** * Functions for awt_Desktop.c */ static gboolean gtk3_show_uri_load(JNIEnv *env) { gboolean success = FALSE; dlerror(); fp_gtk_show_uri = dl_symbol("gtk_show_uri"); const char *dlsym_error = dlerror(); if (dlsym_error) { #ifdef DEBUG fprintf (stderr, "Cannot load symbol: %s \n", dlsym_error); #endif /* DEBUG */ } else if (fp_gtk_show_uri == NULL) { #ifdef DEBUG fprintf(stderr, "dlsym(gtk_show_uri) returned NULL\n"); #endif /* DEBUG */ } else { gtk->gtk_show_uri = fp_gtk_show_uri; update_supported_actions(env); success = TRUE; } return success; } /** * Functions for sun_awt_X11_GtkFileDialogPeer.c */ static void gtk3_file_chooser_load() { fp_gtk_file_chooser_get_filename = dl_symbol( "gtk_file_chooser_get_filename"); fp_gtk_file_chooser_dialog_new = dl_symbol("gtk_file_chooser_dialog_new"); fp_gtk_file_chooser_set_current_folder = dl_symbol( "gtk_file_chooser_set_current_folder"); fp_gtk_file_chooser_set_filename = dl_symbol( "gtk_file_chooser_set_filename"); fp_gtk_file_chooser_set_current_name = dl_symbol( "gtk_file_chooser_set_current_name"); fp_gtk_file_filter_add_custom = dl_symbol("gtk_file_filter_add_custom"); fp_gtk_file_chooser_set_filter = dl_symbol("gtk_file_chooser_set_filter"); fp_gtk_file_chooser_get_type = dl_symbol("gtk_file_chooser_get_type"); fp_gtk_file_filter_new = dl_symbol("gtk_file_filter_new"); fp_gtk_file_chooser_set_do_overwrite_confirmation = dl_symbol( "gtk_file_chooser_set_do_overwrite_confirmation"); fp_gtk_file_chooser_set_select_multiple = dl_symbol( "gtk_file_chooser_set_select_multiple"); fp_gtk_file_chooser_get_current_folder = dl_symbol( "gtk_file_chooser_get_current_folder"); fp_gtk_file_chooser_get_filenames = dl_symbol( "gtk_file_chooser_get_filenames"); fp_gtk_g_slist_length = dl_symbol("g_slist_length"); fp_gdk_x11_drawable_get_xid = dl_symbol("gdk_x11_window_get_xid"); } static void empty() {} static gboolean gtk3_version_3_10 = TRUE; static gboolean gtk3_version_3_14 = FALSE; GtkApi* gtk3_load(JNIEnv *env, const char* lib_name) { gboolean result; int i; int (*handler)(); int (*io_handler)(); char *gtk_modules_env; gtk3_libhandle = dlopen(lib_name, RTLD_LAZY | RTLD_LOCAL); if (gtk3_libhandle == NULL) { return FALSE; } gthread_libhandle = dlopen(GTHREAD_LIB_VERSIONED, RTLD_LAZY | RTLD_LOCAL); if (gthread_libhandle == NULL) { gthread_libhandle = dlopen(GTHREAD_LIB, RTLD_LAZY | RTLD_LOCAL); if (gthread_libhandle == NULL) return FALSE; } if (setjmp(j) == 0) { fp_gtk_check_version = dl_symbol("gtk_check_version"); /* GLib */ fp_glib_check_version = dlsym(gtk3_libhandle, "glib_check_version"); if (!fp_glib_check_version) { dlerror(); } fp_g_free = dl_symbol("g_free"); fp_g_object_unref = dl_symbol("g_object_unref"); fp_g_main_context_iteration = dl_symbol("g_main_context_iteration"); fp_g_value_init = dl_symbol("g_value_init"); fp_g_type_is_a = dl_symbol("g_type_is_a"); fp_g_value_get_boolean = dl_symbol("g_value_get_boolean"); fp_g_value_get_char = dl_symbol("g_value_get_char"); fp_g_value_get_uchar = dl_symbol("g_value_get_uchar"); fp_g_value_get_int = dl_symbol("g_value_get_int"); fp_g_value_get_uint = dl_symbol("g_value_get_uint"); fp_g_value_get_long = dl_symbol("g_value_get_long"); fp_g_value_get_ulong = dl_symbol("g_value_get_ulong"); fp_g_value_get_int64 = dl_symbol("g_value_get_int64"); fp_g_value_get_uint64 = dl_symbol("g_value_get_uint64"); fp_g_value_get_float = dl_symbol("g_value_get_float"); fp_g_value_get_double = dl_symbol("g_value_get_double"); fp_g_value_get_string = dl_symbol("g_value_get_string"); fp_g_value_get_enum = dl_symbol("g_value_get_enum"); fp_g_value_get_flags = dl_symbol("g_value_get_flags"); fp_g_value_get_param = dl_symbol("g_value_get_param"); fp_g_value_get_boxed = dl_symbol("g_value_get_boxed"); fp_g_value_get_pointer = dl_symbol("g_value_get_pointer"); fp_g_object_get = dl_symbol("g_object_get"); fp_g_object_set = dl_symbol("g_object_set"); fp_g_str_has_prefix = dl_symbol("g_str_has_prefix"); fp_g_strsplit = dl_symbol("g_strsplit"); fp_g_strfreev = dl_symbol("g_strfreev"); /* GDK */ fp_gdk_get_default_root_window = dl_symbol("gdk_get_default_root_window"); /* Pixbuf */ fp_gdk_pixbuf_new = dl_symbol("gdk_pixbuf_new"); fp_gdk_pixbuf_new_from_file = dl_symbol("gdk_pixbuf_new_from_file"); fp_gdk_pixbuf_get_from_drawable = dl_symbol("gdk_pixbuf_get_from_window"); fp_gdk_pixbuf_get_width = dl_symbol("gdk_pixbuf_get_width"); fp_gdk_pixbuf_get_height = dl_symbol("gdk_pixbuf_get_height"); fp_gdk_pixbuf_get_pixels = dl_symbol("gdk_pixbuf_get_pixels"); fp_gdk_pixbuf_get_rowstride = dl_symbol("gdk_pixbuf_get_rowstride"); fp_gdk_pixbuf_get_has_alpha = dl_symbol("gdk_pixbuf_get_has_alpha"); fp_gdk_pixbuf_get_bits_per_sample = dl_symbol("gdk_pixbuf_get_bits_per_sample"); fp_gdk_pixbuf_get_n_channels = dl_symbol("gdk_pixbuf_get_n_channels"); fp_gdk_pixbuf_get_colorspace = dl_symbol("gdk_pixbuf_get_colorspace"); fp_cairo_image_surface_create = dl_symbol("cairo_image_surface_create"); fp_cairo_surface_destroy = dl_symbol("cairo_surface_destroy"); fp_cairo_create = dl_symbol("cairo_create"); fp_cairo_destroy = dl_symbol("cairo_destroy"); fp_cairo_fill = dl_symbol("cairo_fill"); fp_cairo_rectangle = dl_symbol("cairo_rectangle"); fp_cairo_set_source_rgb = dl_symbol("cairo_set_source_rgb"); fp_cairo_set_source_rgba = dl_symbol("cairo_set_source_rgba"); fp_cairo_surface_flush = dl_symbol("cairo_surface_flush"); fp_cairo_paint = dl_symbol("cairo_paint"); fp_cairo_clip = dl_symbol("cairo_clip"); fp_cairo_image_surface_get_data = dl_symbol("cairo_image_surface_get_data"); fp_cairo_image_surface_get_stride = dl_symbol("cairo_image_surface_get_stride"); fp_gdk_pixbuf_get_from_surface = dl_symbol("gdk_pixbuf_get_from_surface"); fp_gtk_widget_get_state = dl_symbol("gtk_widget_get_state"); fp_gtk_widget_set_state = dl_symbol("gtk_widget_set_state"); fp_gtk_widget_is_focus = dl_symbol("gtk_widget_is_focus"); fp_gtk_widget_set_allocation = dl_symbol("gtk_widget_set_allocation"); fp_gtk_widget_get_parent = dl_symbol("gtk_widget_get_parent"); fp_gtk_widget_get_window = dl_symbol("gtk_widget_get_window"); fp_gtk_widget_get_style_context = dl_symbol("gtk_widget_get_style_context"); fp_gtk_style_context_get_color = dl_symbol("gtk_style_context_get_color"); fp_gtk_style_context_get_background_color = dl_symbol("gtk_style_context_get_background_color"); fp_gtk_widget_get_state_flags = dl_symbol("gtk_widget_get_state_flags"); fp_gtk_style_context_set_state = dl_symbol("gtk_style_context_set_state"); fp_gtk_style_context_add_class = dl_symbol("gtk_style_context_add_class"); fp_gtk_style_context_save = dl_symbol("gtk_style_context_save"); fp_gtk_style_context_restore = dl_symbol("gtk_style_context_restore"); fp_gtk_render_check = dl_symbol("gtk_render_check"); fp_gtk_render_option = dl_symbol("gtk_render_option"); fp_gtk_render_extension = dl_symbol("gtk_render_extension"); fp_gtk_render_expander = dl_symbol("gtk_render_expander"); fp_gtk_render_frame_gap = dl_symbol("gtk_render_frame_gap"); fp_gtk_render_line = dl_symbol("gtk_render_line"); fp_gtk_widget_render_icon_pixbuf = dl_symbol("gtk_widget_render_icon_pixbuf"); if (fp_gtk_check_version(3, 10, 0)) { gtk3_version_3_10 = FALSE; } else { fp_gdk_window_create_similar_image_surface = dl_symbol("gdk_window_create_similar_image_surface"); } gtk3_version_3_14 = !fp_gtk_check_version(3, 14, 0); fp_gdk_window_create_similar_surface = dl_symbol("gdk_window_create_similar_surface"); fp_gtk_settings_get_for_screen = dl_symbol("gtk_settings_get_for_screen"); fp_gtk_widget_get_screen = dl_symbol("gtk_widget_get_screen"); fp_gtk_css_provider_get_named = dl_symbol("gtk_css_provider_get_named"); fp_gtk_style_context_add_provider = dl_symbol("gtk_style_context_add_provider"); fp_gtk_render_frame = dl_symbol("gtk_render_frame"); fp_gtk_render_focus = dl_symbol("gtk_render_focus"); fp_gtk_render_handle = dl_symbol("gtk_render_handle"); fp_gtk_render_arrow = dl_symbol("gtk_render_arrow"); fp_gtk_style_context_get_property = dl_symbol("gtk_style_context_get_property"); fp_gtk_scrolled_window_set_shadow_type = dl_symbol("gtk_scrolled_window_set_shadow_type"); fp_gtk_render_slider = dl_symbol("gtk_render_slider"); fp_gtk_style_context_get_padding = dl_symbol("gtk_style_context_get_padding"); fp_gtk_range_set_inverted = dl_symbol("gtk_range_set_inverted"); fp_gtk_style_context_get_font = dl_symbol("gtk_style_context_get_font"); fp_gtk_widget_get_allocated_width = dl_symbol("gtk_widget_get_allocated_width"); fp_gtk_widget_get_allocated_height = dl_symbol("gtk_widget_get_allocated_height"); fp_gtk_icon_theme_get_default = dl_symbol("gtk_icon_theme_get_default"); fp_gtk_icon_theme_load_icon = dl_symbol("gtk_icon_theme_load_icon"); fp_gtk_adjustment_set_lower = dl_symbol("gtk_adjustment_set_lower"); fp_gtk_adjustment_set_page_increment = dl_symbol("gtk_adjustment_set_page_increment"); fp_gtk_adjustment_set_page_size = dl_symbol("gtk_adjustment_set_page_size"); fp_gtk_adjustment_set_step_increment = dl_symbol("gtk_adjustment_set_step_increment"); fp_gtk_adjustment_set_upper = dl_symbol("gtk_adjustment_set_upper"); fp_gtk_adjustment_set_value = dl_symbol("gtk_adjustment_set_value"); fp_gtk_render_activity = dl_symbol("gtk_render_activity"); fp_gtk_render_background = dl_symbol("gtk_render_background"); fp_gtk_style_context_has_class = dl_symbol("gtk_style_context_has_class"); fp_gtk_style_context_set_junction_sides = dl_symbol("gtk_style_context_set_junction_sides"); fp_gtk_style_context_add_region = dl_symbol("gtk_style_context_add_region"); fp_gtk_init_check = dl_symbol("gtk_init_check"); /* GTK widgets */ fp_gtk_arrow_new = dl_symbol("gtk_arrow_new"); fp_gtk_button_new = dl_symbol("gtk_button_new"); fp_gtk_spin_button_new = dl_symbol("gtk_spin_button_new"); fp_gtk_check_button_new = dl_symbol("gtk_check_button_new"); fp_gtk_check_menu_item_new = dl_symbol("gtk_check_menu_item_new"); fp_gtk_color_selection_dialog_new = dl_symbol("gtk_color_selection_dialog_new"); fp_gtk_entry_new = dl_symbol("gtk_entry_new"); fp_gtk_fixed_new = dl_symbol("gtk_fixed_new"); fp_gtk_handle_box_new = dl_symbol("gtk_handle_box_new"); fp_gtk_image_new = dl_symbol("gtk_image_new"); fp_gtk_hpaned_new = dl_symbol("gtk_hpaned_new"); fp_gtk_vpaned_new = dl_symbol("gtk_vpaned_new"); fp_gtk_scale_new = dl_symbol("gtk_scale_new"); fp_gtk_hscrollbar_new = dl_symbol("gtk_hscrollbar_new"); fp_gtk_vscrollbar_new = dl_symbol("gtk_vscrollbar_new"); fp_gtk_hseparator_new = dl_symbol("gtk_hseparator_new"); fp_gtk_vseparator_new = dl_symbol("gtk_vseparator_new"); fp_gtk_label_new = dl_symbol("gtk_label_new"); fp_gtk_menu_new = dl_symbol("gtk_menu_new"); fp_gtk_menu_bar_new = dl_symbol("gtk_menu_bar_new"); fp_gtk_menu_item_new = dl_symbol("gtk_menu_item_new"); fp_gtk_menu_item_set_submenu = dl_symbol("gtk_menu_item_set_submenu"); fp_gtk_notebook_new = dl_symbol("gtk_notebook_new"); fp_gtk_progress_bar_new = dl_symbol("gtk_progress_bar_new"); fp_gtk_progress_bar_set_orientation = dl_symbol("gtk_orientable_set_orientation"); fp_gtk_radio_button_new = dl_symbol("gtk_radio_button_new"); fp_gtk_radio_menu_item_new = dl_symbol("gtk_radio_menu_item_new"); fp_gtk_scrolled_window_new = dl_symbol("gtk_scrolled_window_new"); fp_gtk_separator_menu_item_new = dl_symbol("gtk_separator_menu_item_new"); fp_gtk_text_view_new = dl_symbol("gtk_text_view_new"); fp_gtk_toggle_button_new = dl_symbol("gtk_toggle_button_new"); fp_gtk_toolbar_new = dl_symbol("gtk_toolbar_new"); fp_gtk_tree_view_new = dl_symbol("gtk_tree_view_new"); fp_gtk_viewport_new = dl_symbol("gtk_viewport_new"); fp_gtk_window_new = dl_symbol("gtk_window_new"); fp_gtk_window_present = dl_symbol("gtk_window_present"); fp_gtk_window_move = dl_symbol("gtk_window_move"); fp_gtk_window_resize = dl_symbol("gtk_window_resize"); fp_gtk_dialog_new = dl_symbol("gtk_dialog_new"); fp_gtk_frame_new = dl_symbol("gtk_frame_new"); fp_gtk_adjustment_new = dl_symbol("gtk_adjustment_new"); fp_gtk_container_add = dl_symbol("gtk_container_add"); fp_gtk_menu_shell_append = dl_symbol("gtk_menu_shell_append"); fp_gtk_widget_realize = dl_symbol("gtk_widget_realize"); fp_gtk_widget_destroy = dl_symbol("gtk_widget_destroy"); fp_gtk_widget_render_icon = dl_symbol("gtk_widget_render_icon"); fp_gtk_widget_set_name = dl_symbol("gtk_widget_set_name"); fp_gtk_widget_set_parent = dl_symbol("gtk_widget_set_parent"); fp_gtk_widget_set_direction = dl_symbol("gtk_widget_set_direction"); fp_gtk_widget_style_get = dl_symbol("gtk_widget_style_get"); fp_gtk_widget_class_install_style_property = dl_symbol("gtk_widget_class_install_style_property"); fp_gtk_widget_class_find_style_property = dl_symbol("gtk_widget_class_find_style_property"); fp_gtk_widget_style_get_property = dl_symbol("gtk_widget_style_get_property"); fp_pango_font_description_to_string = dl_symbol("pango_font_description_to_string"); fp_gtk_settings_get_default = dl_symbol("gtk_settings_get_default"); fp_gtk_widget_get_settings = dl_symbol("gtk_widget_get_settings"); fp_gtk_border_get_type = dl_symbol("gtk_border_get_type"); fp_gtk_arrow_set = dl_symbol("gtk_arrow_set"); fp_gtk_widget_size_request = dl_symbol("gtk_widget_size_request"); fp_gtk_range_get_adjustment = dl_symbol("gtk_range_get_adjustment"); fp_gtk_widget_hide = dl_symbol("gtk_widget_hide"); fp_gtk_main_quit = dl_symbol("gtk_main_quit"); fp_g_signal_connect_data = dl_symbol("g_signal_connect_data"); fp_gtk_widget_show = dl_symbol("gtk_widget_show"); fp_gtk_main = dl_symbol("gtk_main"); fp_g_path_get_dirname = dl_symbol("g_path_get_dirname"); fp_gdk_threads_init = dl_symbol("gdk_threads_init"); fp_gdk_threads_enter = dl_symbol("gdk_threads_enter"); fp_gdk_threads_leave = dl_symbol("gdk_threads_leave"); /** * Functions for sun_awt_X11_GtkFileDialogPeer.c */ gtk3_file_chooser_load(); fp_gtk_combo_box_new = dlsym(gtk3_libhandle, "gtk_combo_box_new"); fp_gtk_combo_box_entry_new = dlsym(gtk3_libhandle, "gtk_combo_box_new_with_entry"); fp_gtk_separator_tool_item_new = dlsym(gtk3_libhandle, "gtk_separator_tool_item_new"); fp_g_list_append = dl_symbol("g_list_append"); fp_g_list_free = dl_symbol("g_list_free"); fp_g_list_free_full = dl_symbol("g_list_free_full"); } /* Now we have only one kind of exceptions: NO_SYMBOL_EXCEPTION * Otherwise we can check the return value of setjmp method. */ else { dlclose(gtk3_libhandle); gtk3_libhandle = NULL; dlclose(gthread_libhandle); gthread_libhandle = NULL; return NULL; } /* * Strip the AT-SPI GTK_MODULES if present */ gtk_modules_env = getenv ("GTK_MODULES"); if ((gtk_modules_env && strstr(gtk_modules_env, "atk-bridge")) || (gtk_modules_env && strstr(gtk_modules_env, "gail"))) { /* careful, strtok modifies its args */ gchar *tmp_env = strdup(gtk_modules_env); if (tmp_env) { /* the new env will be smaller than the old one */ gchar *s, *new_env = SAFE_SIZE_STRUCT_ALLOC(malloc, sizeof(ENV_PREFIX), 1, strlen (gtk_modules_env)); if (new_env) { strcpy(new_env, ENV_PREFIX); /* strip out 'atk-bridge' and 'gail' */ size_t PREFIX_LENGTH = strlen(ENV_PREFIX); gchar *tmp_ptr = NULL; for (s = strtok_r(tmp_env, ":", &tmp_ptr); s; s = strtok_r(NULL, ":", &tmp_ptr)) { if ((!strstr(s, "atk-bridge")) && (!strstr(s, "gail"))) { if (strlen(new_env) > PREFIX_LENGTH) { new_env = strcat(new_env, ":"); } new_env = strcat(new_env, s); } } if (putenv(new_env) != 0) { /* no free() on success, putenv() doesn't copy string */ free(new_env); } } free (tmp_env); } } /* * GTK should be initialized with gtk_init_check() before use. * * gtk_init_check installs its own error handlers. It is critical that * we preserve error handler set from AWT. Otherwise we'll crash on * BadMatch errors which we would normally ignore. The IO error handler * is preserved here, too, just for consistency. */ AWT_LOCK(); handler = XSetErrorHandler(NULL); io_handler = XSetIOErrorHandler(NULL); //According the GTK documentation, gdk_threads_init() should be //called before gtk_init() or gtk_init_check() fp_gdk_threads_init(); result = (*fp_gtk_init_check)(NULL, NULL); XSetErrorHandler(handler); XSetIOErrorHandler(io_handler); AWT_UNLOCK(); /* Initialize widget array. */ for (i = 0; i < _GTK_WIDGET_TYPE_SIZE; i++) { gtk3_widgets[i] = NULL; } if (result) { GtkApi* gtk = (GtkApi*)malloc(sizeof(GtkApi)); gtk3_init(gtk); return gtk; } return NULL; } static int gtk3_unload() { int i; char *gtk3_error; if (!gtk3_libhandle) return TRUE; /* Release painting objects */ if (surface != NULL) { fp_cairo_destroy(cr); fp_cairo_surface_destroy(surface); surface = NULL; } if (gtk3_window != NULL) { /* Destroying toplevel widget will destroy all contained widgets */ (*fp_gtk_widget_destroy)(gtk3_window); /* Unset some static data so they get reinitialized on next load */ gtk3_window = NULL; } dlerror(); dlclose(gtk3_libhandle); dlclose(gthread_libhandle); if ((gtk3_error = dlerror()) != NULL) { return FALSE; } return TRUE; } /* Dispatch all pending events from the GTK event loop. * This is needed to catch theme change and update widgets' style. */ static void flush_gtk_event_loop() { while((*fp_g_main_context_iteration)(NULL)); } /* * Initialize components of containment hierarchy. This creates a GtkFixed * inside a GtkWindow. All widgets get realized. */ static void init_containers() { if (gtk3_window == NULL) { gtk3_window = (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL); gtk3_fixed = (GtkFixed *)(*fp_gtk_fixed_new)(); (*fp_gtk_container_add)((GtkContainer*)gtk3_window, (GtkWidget *)gtk3_fixed); (*fp_gtk_widget_realize)(gtk3_window); (*fp_gtk_widget_realize)((GtkWidget *)gtk3_fixed); GtkSettings* settings = fp_gtk_settings_get_for_screen( fp_gtk_widget_get_screen(gtk3_window)); gchar* strval = NULL; fp_g_object_get(settings, "gtk-theme-name", &strval, NULL); gtk3_css = fp_gtk_css_provider_get_named(strval, NULL); } } /* * Ensure everything is ready for drawing an element of the specified width * and height. * * We should somehow handle translucent images. GTK can draw to X Drawables * only, which don't support alpha. When we retrieve the image back from * the server, translucency information is lost. There're several ways to * work around this: * 1) Subclass GdkPixmap and cache translucent objects on client side. This * requires us to implement parts of X server drawing logic on client side. * Many X requests can potentially be "translucent"; e.g. XDrawLine with * fill=tile and a translucent tile is a "translucent" operation, whereas * XDrawLine with fill=solid is an "opaque" one. Moreover themes can (and some * do) intermix transparent and opaque operations which makes caching even * more problematic. * 2) Use Xorg 32bit ARGB visual when available. GDK has no native support * for it (as of version 2.6). Also even in JDS 3 Xorg does not support * these visuals by default, which makes optimizing for them pointless. * We can consider doing this at a later point when ARGB visuals become more * popular. * 3') GTK has plans to use Cairo as its graphical backend (presumably in * 2.8), and Cairo supports alpha. With it we could also get rid of the * unnecessary round trip to server and do all the drawing on client side. * 4) For now we draw to two different pixmaps and restore alpha channel by * comparing results. This can be optimized by using subclassed pixmap and */ static void gtk3_init_painting(JNIEnv *env, gint width, gint height) { init_containers(); if (cr) { fp_cairo_destroy(cr); } if (surface != NULL) { /* free old stuff */ fp_cairo_surface_destroy(surface); } if (gtk3_version_3_10) { surface = fp_gdk_window_create_similar_image_surface( fp_gtk_widget_get_window(gtk3_window), CAIRO_FORMAT_ARGB32, width, height, 1); } else { surface = fp_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height); } cr = fp_cairo_create(surface); } /* * Restore image from white and black pixmaps and copy it into destination * buffer. This method compares two pixbufs taken from white and black * pixmaps and decodes color and alpha components. Pixbufs are RGB without * alpha, destination buffer is ABGR. * * The return value is the transparency type of the resulting image, either * one of java_awt_Transparency_OPAQUE, java_awt_Transparency_BITMASK, and * java_awt_Transparency_TRANSLUCENT. */ static gint gtk3_copy_image(gint *dst, gint width, gint height) { gint i, j, r, g, b; guchar *data; gint stride, padding; fp_cairo_surface_flush(surface); data = (*fp_cairo_image_surface_get_data)(surface); stride = (*fp_cairo_image_surface_get_stride)(surface); padding = stride - width * 4; for (i = 0; i < height; i++) { for (j = 0; j < width; j++) { int r = *data++; int g = *data++; int b = *data++; int a = *data++; *dst++ = (a << 24 | b << 16 | g << 8 | r); } data += padding; } return java_awt_Transparency_TRANSLUCENT; } static void gtk3_set_direction(GtkWidget *widget, GtkTextDirection dir) { /* * Some engines (inexplicably) look at the direction of the widget's * parent, so we need to set the direction of both the widget and its * parent. */ (*fp_gtk_widget_set_direction)(widget, dir); GtkWidget* parent = fp_gtk_widget_get_parent(widget); if (parent != NULL) { fp_gtk_widget_set_direction(parent, dir); } } /* GTK state_type filter */ static GtkStateType get_gtk_state_type(WidgetType widget_type, gint synth_state) { GtkStateType result = GTK_STATE_NORMAL; if ((synth_state & DISABLED) != 0) { result = GTK_STATE_INSENSITIVE; } else if ((synth_state & PRESSED) != 0) { result = GTK_STATE_ACTIVE; } else if ((synth_state & MOUSE_OVER) != 0) { result = GTK_STATE_PRELIGHT; } return result; } static GtkStateFlags get_gtk_state_flags(gint synth_state) { GtkStateFlags flags = 0; if ((synth_state & DISABLED) != 0) { flags |= GTK_STATE_FLAG_INSENSITIVE; } if (((synth_state & PRESSED) != 0 || (synth_state & SELECTED) != 0)) { flags |= GTK_STATE_FLAG_ACTIVE; } if ((synth_state & MOUSE_OVER) != 0) { flags |= GTK_STATE_FLAG_PRELIGHT; } if ((synth_state & FOCUSED) != 0) { flags |= GTK_STATE_FLAG_FOCUSED; } return flags; } static GtkStateFlags get_gtk_flags(GtkStateType state_type) { GtkStateFlags flags = 0; switch (state_type) { case GTK_STATE_PRELIGHT: flags |= GTK_STATE_FLAG_PRELIGHT; break; case GTK_STATE_SELECTED: flags |= GTK_STATE_FLAG_SELECTED; break; case GTK_STATE_INSENSITIVE: flags |= GTK_STATE_FLAG_INSENSITIVE; break; case GTK_STATE_ACTIVE: flags |= GTK_STATE_FLAG_ACTIVE; break; case GTK_STATE_FOCUSED: flags |= GTK_STATE_FLAG_FOCUSED; break; default: break; } return flags; } /* GTK shadow_type filter */ static GtkShadowType get_gtk_shadow_type(WidgetType widget_type, gint synth_state) { GtkShadowType result = GTK_SHADOW_OUT; if ((synth_state & SELECTED) != 0) { result = GTK_SHADOW_IN; } return result; } static GtkWidget* gtk3_get_arrow(GtkArrowType arrow_type, GtkShadowType shadow_type) { GtkWidget *arrow = NULL; if (NULL == gtk3_widgets[_GTK_ARROW_TYPE]) { gtk3_widgets[_GTK_ARROW_TYPE] = (*fp_gtk_arrow_new)(arrow_type, shadow_type); (*fp_gtk_container_add)((GtkContainer *)gtk3_fixed, gtk3_widgets[_GTK_ARROW_TYPE]); (*fp_gtk_widget_realize)(gtk3_widgets[_GTK_ARROW_TYPE]); } arrow = gtk3_widgets[_GTK_ARROW_TYPE]; (*fp_gtk_arrow_set)(arrow, arrow_type, shadow_type); return arrow; } static GtkAdjustment* create_adjustment() { return (GtkAdjustment *) (*fp_gtk_adjustment_new)(50.0, 0.0, 100.0, 10.0, 20.0, 20.0); } /** * Returns a pointer to the cached native widget for the specified widget * type. */ static GtkWidget *gtk3_get_widget(WidgetType widget_type) { gboolean init_result = FALSE; GtkWidget *result = NULL; switch (widget_type) { case BUTTON: case TABLE_HEADER: if (init_result = (NULL == gtk3_widgets[_GTK_BUTTON_TYPE])) { gtk3_widgets[_GTK_BUTTON_TYPE] = (*fp_gtk_button_new)(); } result = gtk3_widgets[_GTK_BUTTON_TYPE]; break; case CHECK_BOX: if (init_result = (NULL == gtk3_widgets[_GTK_CHECK_BUTTON_TYPE])) { gtk3_widgets[_GTK_CHECK_BUTTON_TYPE] = (*fp_gtk_check_button_new)(); } result = gtk3_widgets[_GTK_CHECK_BUTTON_TYPE]; break; case CHECK_BOX_MENU_ITEM: if (init_result = (NULL == gtk3_widgets[_GTK_CHECK_MENU_ITEM_TYPE])) { gtk3_widgets[_GTK_CHECK_MENU_ITEM_TYPE] = (*fp_gtk_check_menu_item_new)(); } result = gtk3_widgets[_GTK_CHECK_MENU_ITEM_TYPE]; break; /************************************************************ * Creation a dedicated color chooser is dangerous because * it deadlocks the EDT ************************************************************/ /* case COLOR_CHOOSER: if (init_result = (NULL == gtk3_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE])) { gtk3_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE] = (*fp_gtk_color_selection_dialog_new)(NULL); } result = gtk3_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE]; break;*/ case COMBO_BOX: if (init_result = (NULL == gtk3_widgets[_GTK_COMBO_BOX_TYPE])) { gtk3_widgets[_GTK_COMBO_BOX_TYPE] = (*fp_gtk_combo_box_new)(); } result = gtk3_widgets[_GTK_COMBO_BOX_TYPE]; break; case COMBO_BOX_ARROW_BUTTON: if (init_result = (NULL == gtk3_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE])) { gtk3_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE] = (*fp_gtk_toggle_button_new)(); } result = gtk3_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE]; break; case COMBO_BOX_TEXT_FIELD: if (init_result = (NULL == gtk3_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE])) { result = gtk3_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE] = (*fp_gtk_entry_new)(); } result = gtk3_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE]; break; case DESKTOP_ICON: case INTERNAL_FRAME_TITLE_PANE: case LABEL: if (init_result = (NULL == gtk3_widgets[_GTK_LABEL_TYPE])) { gtk3_widgets[_GTK_LABEL_TYPE] = (*fp_gtk_label_new)(NULL); } result = gtk3_widgets[_GTK_LABEL_TYPE]; break; case DESKTOP_PANE: case PANEL: case ROOT_PANE: if (init_result = (NULL == gtk3_widgets[_GTK_CONTAINER_TYPE])) { /* There is no constructor for a container type. I've * chosen GtkFixed container since it has a default * constructor. */ gtk3_widgets[_GTK_CONTAINER_TYPE] = (*fp_gtk_fixed_new)(); } result = gtk3_widgets[_GTK_CONTAINER_TYPE]; break; case EDITOR_PANE: case TEXT_AREA: case TEXT_PANE: if (init_result = (NULL == gtk3_widgets[_GTK_TEXT_VIEW_TYPE])) { gtk3_widgets[_GTK_TEXT_VIEW_TYPE] = (*fp_gtk_text_view_new)(); } result = gtk3_widgets[_GTK_TEXT_VIEW_TYPE]; break; case FORMATTED_TEXT_FIELD: case PASSWORD_FIELD: case TEXT_FIELD: if (init_result = (NULL == gtk3_widgets[_GTK_ENTRY_TYPE])) { gtk3_widgets[_GTK_ENTRY_TYPE] = (*fp_gtk_entry_new)(); } result = gtk3_widgets[_GTK_ENTRY_TYPE]; break; case HANDLE_BOX: if (init_result = (NULL == gtk3_widgets[_GTK_HANDLE_BOX_TYPE])) { gtk3_widgets[_GTK_HANDLE_BOX_TYPE] = (*fp_gtk_handle_box_new)(); } result = gtk3_widgets[_GTK_HANDLE_BOX_TYPE]; break; case HSCROLL_BAR: case HSCROLL_BAR_BUTTON_LEFT: case HSCROLL_BAR_BUTTON_RIGHT: case HSCROLL_BAR_TRACK: case HSCROLL_BAR_THUMB: if (init_result = (NULL == gtk3_widgets[_GTK_HSCROLLBAR_TYPE])) { gtk3_widgets[_GTK_HSCROLLBAR_TYPE] = (*fp_gtk_hscrollbar_new)(create_adjustment()); } result = gtk3_widgets[_GTK_HSCROLLBAR_TYPE]; break; case HSEPARATOR: if (init_result = (NULL == gtk3_widgets[_GTK_HSEPARATOR_TYPE])) { gtk3_widgets[_GTK_HSEPARATOR_TYPE] = (*fp_gtk_hseparator_new)(); } result = gtk3_widgets[_GTK_HSEPARATOR_TYPE]; break; case HSLIDER: case HSLIDER_THUMB: case HSLIDER_TRACK: if (init_result = (NULL == gtk3_widgets[_GTK_HSCALE_TYPE])) { gtk3_widgets[_GTK_HSCALE_TYPE] = (*fp_gtk_scale_new)(GTK_ORIENTATION_HORIZONTAL, NULL); } result = gtk3_widgets[_GTK_HSCALE_TYPE]; break; case HSPLIT_PANE_DIVIDER: case SPLIT_PANE: if (init_result = (NULL == gtk3_widgets[_GTK_HPANED_TYPE])) { gtk3_widgets[_GTK_HPANED_TYPE] = (*fp_gtk_hpaned_new)(); } result = gtk3_widgets[_GTK_HPANED_TYPE]; break; case IMAGE: if (init_result = (NULL == gtk3_widgets[_GTK_IMAGE_TYPE])) { gtk3_widgets[_GTK_IMAGE_TYPE] = (*fp_gtk_image_new)(); } result = gtk3_widgets[_GTK_IMAGE_TYPE]; break; case INTERNAL_FRAME: if (init_result = (NULL == gtk3_widgets[_GTK_WINDOW_TYPE])) { gtk3_widgets[_GTK_WINDOW_TYPE] = (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL); } result = gtk3_widgets[_GTK_WINDOW_TYPE]; break; case TOOL_TIP: if (init_result = (NULL == gtk3_widgets[_GTK_TOOLTIP_TYPE])) { result = (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL); gtk3_widgets[_GTK_TOOLTIP_TYPE] = result; } result = gtk3_widgets[_GTK_TOOLTIP_TYPE]; break; case LIST: case TABLE: case TREE: case TREE_CELL: if (init_result = (NULL == gtk3_widgets[_GTK_TREE_VIEW_TYPE])) { gtk3_widgets[_GTK_TREE_VIEW_TYPE] = (*fp_gtk_tree_view_new)(); } result = gtk3_widgets[_GTK_TREE_VIEW_TYPE]; break; case TITLED_BORDER: if (init_result = (NULL == gtk3_widgets[_GTK_FRAME_TYPE])) { gtk3_widgets[_GTK_FRAME_TYPE] = fp_gtk_frame_new(NULL); } result = gtk3_widgets[_GTK_FRAME_TYPE]; break; case POPUP_MENU: if (init_result = (NULL == gtk3_widgets[_GTK_MENU_TYPE])) { gtk3_widgets[_GTK_MENU_TYPE] = (*fp_gtk_menu_new)(); } result = gtk3_widgets[_GTK_MENU_TYPE]; break; case MENU: case MENU_ITEM: case MENU_ITEM_ACCELERATOR: if (init_result = (NULL == gtk3_widgets[_GTK_MENU_ITEM_TYPE])) { gtk3_widgets[_GTK_MENU_ITEM_TYPE] = (*fp_gtk_menu_item_new)(); } result = gtk3_widgets[_GTK_MENU_ITEM_TYPE]; break; case MENU_BAR: if (init_result = (NULL == gtk3_widgets[_GTK_MENU_BAR_TYPE])) { gtk3_widgets[_GTK_MENU_BAR_TYPE] = (*fp_gtk_menu_bar_new)(); } result = gtk3_widgets[_GTK_MENU_BAR_TYPE]; break; case COLOR_CHOOSER: case OPTION_PANE: if (init_result = (NULL == gtk3_widgets[_GTK_DIALOG_TYPE])) { gtk3_widgets[_GTK_DIALOG_TYPE] = (*fp_gtk_dialog_new)(); } result = gtk3_widgets[_GTK_DIALOG_TYPE]; break; case POPUP_MENU_SEPARATOR: if (init_result = (NULL == gtk3_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE])) { gtk3_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE] = (*fp_gtk_separator_menu_item_new)(); } result = gtk3_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE]; break; case HPROGRESS_BAR: if (init_result = (NULL == gtk3_widgets[_GTK_HPROGRESS_BAR_TYPE])) { gtk3_widgets[_GTK_HPROGRESS_BAR_TYPE] = (*fp_gtk_progress_bar_new)(); } result = gtk3_widgets[_GTK_HPROGRESS_BAR_TYPE]; break; case VPROGRESS_BAR: if (init_result = (NULL == gtk3_widgets[_GTK_VPROGRESS_BAR_TYPE])) { gtk3_widgets[_GTK_VPROGRESS_BAR_TYPE] = (*fp_gtk_progress_bar_new)(); /* * Vertical JProgressBars always go bottom-to-top, * regardless of the ComponentOrientation. */ (*fp_gtk_progress_bar_set_orientation)( (GtkProgressBar *)gtk3_widgets[_GTK_VPROGRESS_BAR_TYPE], GTK_PROGRESS_BOTTOM_TO_TOP); } result = gtk3_widgets[_GTK_VPROGRESS_BAR_TYPE]; break; case RADIO_BUTTON: if (init_result = (NULL == gtk3_widgets[_GTK_RADIO_BUTTON_TYPE])) { gtk3_widgets[_GTK_RADIO_BUTTON_TYPE] = (*fp_gtk_radio_button_new)(NULL); } result = gtk3_widgets[_GTK_RADIO_BUTTON_TYPE]; break; case RADIO_BUTTON_MENU_ITEM: if (init_result = (NULL == gtk3_widgets[_GTK_RADIO_MENU_ITEM_TYPE])) { gtk3_widgets[_GTK_RADIO_MENU_ITEM_TYPE] = (*fp_gtk_radio_menu_item_new)(NULL); } result = gtk3_widgets[_GTK_RADIO_MENU_ITEM_TYPE]; break; case SCROLL_PANE: if (init_result = (NULL == gtk3_widgets[_GTK_SCROLLED_WINDOW_TYPE])) { gtk3_widgets[_GTK_SCROLLED_WINDOW_TYPE] = (*fp_gtk_scrolled_window_new)(NULL, NULL); } result = gtk3_widgets[_GTK_SCROLLED_WINDOW_TYPE]; break; case SPINNER: case SPINNER_ARROW_BUTTON: case SPINNER_TEXT_FIELD: if (init_result = (NULL == gtk3_widgets[_GTK_SPIN_BUTTON_TYPE])) { result = gtk3_widgets[_GTK_SPIN_BUTTON_TYPE] = (*fp_gtk_spin_button_new)(NULL, 0, 0); } result = gtk3_widgets[_GTK_SPIN_BUTTON_TYPE]; break; case TABBED_PANE: case TABBED_PANE_TAB_AREA: case TABBED_PANE_CONTENT: case TABBED_PANE_TAB: if (init_result = (NULL == gtk3_widgets[_GTK_NOTEBOOK_TYPE])) { gtk3_widgets[_GTK_NOTEBOOK_TYPE] = (*fp_gtk_notebook_new)(NULL); } result = gtk3_widgets[_GTK_NOTEBOOK_TYPE]; break; case TOGGLE_BUTTON: if (init_result = (NULL == gtk3_widgets[_GTK_TOGGLE_BUTTON_TYPE])) { gtk3_widgets[_GTK_TOGGLE_BUTTON_TYPE] = (*fp_gtk_toggle_button_new)(NULL); } result = gtk3_widgets[_GTK_TOGGLE_BUTTON_TYPE]; break; case TOOL_BAR: case TOOL_BAR_DRAG_WINDOW: if (init_result = (NULL == gtk3_widgets[_GTK_TOOLBAR_TYPE])) { gtk3_widgets[_GTK_TOOLBAR_TYPE] = (*fp_gtk_toolbar_new)(NULL); } result = gtk3_widgets[_GTK_TOOLBAR_TYPE]; break; case TOOL_BAR_SEPARATOR: if (init_result = (NULL == gtk3_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE])) { gtk3_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE] = (*fp_gtk_separator_tool_item_new)(); } result = gtk3_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE]; break; case VIEWPORT: if (init_result = (NULL == gtk3_widgets[_GTK_VIEWPORT_TYPE])) { GtkAdjustment *adjustment = create_adjustment(); gtk3_widgets[_GTK_VIEWPORT_TYPE] = (*fp_gtk_viewport_new)(adjustment, adjustment); } result = gtk3_widgets[_GTK_VIEWPORT_TYPE]; break; case VSCROLL_BAR: case VSCROLL_BAR_BUTTON_UP: case VSCROLL_BAR_BUTTON_DOWN: case VSCROLL_BAR_TRACK: case VSCROLL_BAR_THUMB: if (init_result = (NULL == gtk3_widgets[_GTK_VSCROLLBAR_TYPE])) { gtk3_widgets[_GTK_VSCROLLBAR_TYPE] = (*fp_gtk_vscrollbar_new)(create_adjustment()); } result = gtk3_widgets[_GTK_VSCROLLBAR_TYPE]; break; case VSEPARATOR: if (init_result = (NULL == gtk3_widgets[_GTK_VSEPARATOR_TYPE])) { gtk3_widgets[_GTK_VSEPARATOR_TYPE] = (*fp_gtk_vseparator_new)(); } result = gtk3_widgets[_GTK_VSEPARATOR_TYPE]; break; case VSLIDER: case VSLIDER_THUMB: case VSLIDER_TRACK: if (init_result = (NULL == gtk3_widgets[_GTK_VSCALE_TYPE])) { gtk3_widgets[_GTK_VSCALE_TYPE] = (*fp_gtk_scale_new)(GTK_ORIENTATION_VERTICAL, NULL); } result = gtk3_widgets[_GTK_VSCALE_TYPE]; /* * Vertical JSliders start at the bottom, while vertical * GtkVScale widgets start at the top (by default), so to fix * this we set the "inverted" flag to get the Swing behavior. */ fp_gtk_range_set_inverted((GtkRange*)result, TRUE); break; case VSPLIT_PANE_DIVIDER: if (init_result = (NULL == gtk3_widgets[_GTK_VPANED_TYPE])) { gtk3_widgets[_GTK_VPANED_TYPE] = (*fp_gtk_vpaned_new)(); } result = gtk3_widgets[_GTK_VPANED_TYPE]; break; default: result = NULL; break; } if (result != NULL && init_result) { if (widget_type == RADIO_BUTTON_MENU_ITEM || widget_type == CHECK_BOX_MENU_ITEM || widget_type == MENU_ITEM || widget_type == MENU || widget_type == POPUP_MENU_SEPARATOR) { GtkWidget *menu = gtk3_get_widget(POPUP_MENU); (*fp_gtk_menu_shell_append)((GtkMenuShell *)menu, result); } else if (widget_type == POPUP_MENU) { GtkWidget *menu_bar = gtk3_get_widget(MENU_BAR); GtkWidget *root_menu = (*fp_gtk_menu_item_new)(); (*fp_gtk_menu_item_set_submenu)((GtkMenuItem*)root_menu, result); (*fp_gtk_menu_shell_append)((GtkMenuShell *)menu_bar, root_menu); } else if (widget_type == COMBO_BOX_TEXT_FIELD ) { GtkWidget* combo = gtk3_get_widget(COMBO_BOX); /* * We add a regular GtkButton/GtkEntry to a GtkComboBoxEntry * in order to trick engines into thinking it's a real combobox * arrow button/text field. */ fp_gtk_container_add ((GtkContainer*)(combo), result); GtkStyleContext* context = fp_gtk_widget_get_style_context (combo); fp_gtk_style_context_add_class (context, "combobox-entry"); context = fp_gtk_widget_get_style_context (result); fp_gtk_style_context_add_class (context, "combobox"); fp_gtk_style_context_add_class (context, "entry"); } else if (widget_type == COMBO_BOX_ARROW_BUTTON ) { GtkWidget* combo = gtk3_get_widget(COMBO_BOX); fp_gtk_widget_set_parent(result, combo); } else if (widget_type != TOOL_TIP && widget_type != INTERNAL_FRAME && widget_type != OPTION_PANE) { (*fp_gtk_container_add)((GtkContainer *)gtk3_fixed, result); } (*fp_gtk_widget_realize)(result); } return result; } static void gtk3_paint_arrow(WidgetType widget_type, GtkStateType state_type, GtkShadowType shadow_type, const gchar *detail, gint x, gint y, gint width, gint height, GtkArrowType arrow_type, gboolean fill) { gdouble xx, yy, a = G_PI; int s = width; gtk3_widget = gtk3_get_arrow(arrow_type, shadow_type); switch (widget_type) { case SPINNER_ARROW_BUTTON: s = (int)(0.4 * width + 0.5) + 1; if (arrow_type == GTK_ARROW_UP) { a = 0; } else if (arrow_type == GTK_ARROW_DOWN) { a = G_PI; } break; case HSCROLL_BAR_BUTTON_LEFT: s = (int)(0.5 * MIN(height, width * 2) + 0.5) + 1; a = 3 * G_PI / 2; break; case HSCROLL_BAR_BUTTON_RIGHT: s = (int)(0.5 * MIN(height, width * 2) + 0.5) + 1; a = G_PI / 2; break; case VSCROLL_BAR_BUTTON_UP: s = (int)(0.5 * MIN(height * 2, width) + 0.5) + 1; a = 0; break; case VSCROLL_BAR_BUTTON_DOWN: s = (int)(0.5 * MIN(height * 2, width) + 0.5) + 1; a = G_PI; break; case COMBO_BOX_ARROW_BUTTON: s = (int)(0.3 * height + 0.5) + 1; a = G_PI; break; case TABLE: s = (int)(0.8 * height + 0.5) + 1; if (arrow_type == GTK_ARROW_UP) { a = G_PI; } else if (arrow_type == GTK_ARROW_DOWN) { a = 0; } break; case MENU_ITEM: if (arrow_type == GTK_ARROW_UP) { a = G_PI; } else if (arrow_type == GTK_ARROW_DOWN) { a = 0; } else if (arrow_type == GTK_ARROW_RIGHT) { a = G_PI / 2; } else if (arrow_type == GTK_ARROW_LEFT) { a = 3 * G_PI / 2; } break; default: if (arrow_type == GTK_ARROW_UP) { a = G_PI; } else if (arrow_type == GTK_ARROW_DOWN) { a = 0; } else if (arrow_type == GTK_ARROW_RIGHT) { a = G_PI / 2; } else if (arrow_type == GTK_ARROW_LEFT) { a = 3 * G_PI / 2; } break; } if (s < width && s < height) { xx = x + (0.5 * (width - s) + 0.5); yy = y + (0.5 * (height - s) + 0.5); } else { xx = x; yy = y; } GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); if (detail != NULL) { transform_detail_string(detail, context); } GtkStateFlags flags = get_gtk_flags(state_type); fp_gtk_style_context_set_state (context, flags); (*fp_gtk_render_arrow)(context, cr, a, xx, yy, s); fp_gtk_style_context_restore (context); } static void gtk3_paint_box(WidgetType widget_type, GtkStateType state_type, GtkShadowType shadow_type, const gchar *detail, gint x, gint y, gint width, gint height, gint synth_state, GtkTextDirection dir) { gtk3_widget = gtk3_get_widget(widget_type); if (widget_type == HSLIDER_TRACK) { /* * For horizontal JSliders with right-to-left orientation, we need * to set the "inverted" flag to match the native GTK behavior where * the foreground highlight is on the right side of the slider thumb. * This is needed especially for the ubuntulooks engine, which looks * exclusively at the "inverted" flag to determine on which side of * the thumb to paint the highlight... */ fp_gtk_range_set_inverted((GtkRange*)gtk3_widget, dir == GTK_TEXT_DIR_RTL); /* * Note however that other engines like clearlooks will look at both * the "inverted" field and the text direction to determine how * the foreground highlight is painted: * !inverted && ltr --> paint highlight on left side * !inverted && rtl --> paint highlight on right side * inverted && ltr --> paint highlight on right side * inverted && rtl --> paint highlight on left side * So the only way to reliably get the desired results for horizontal * JSlider (i.e., highlight on left side for LTR ComponentOrientation * and highlight on right side for RTL ComponentOrientation) is to * always override text direction as LTR, and then set the "inverted" * flag accordingly (as we have done above). */ dir = GTK_TEXT_DIR_LTR; } /* * Some engines (e.g. clearlooks) will paint the shadow of certain * widgets (e.g. COMBO_BOX_ARROW_BUTTON) differently depending on the * the text direction. */ gtk3_set_direction(gtk3_widget, dir); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); transform_detail_string(detail, context); GtkStateFlags flags = get_gtk_flags(state_type); if (shadow_type == GTK_SHADOW_IN && widget_type != COMBO_BOX_ARROW_BUTTON) { flags |= GTK_STATE_FLAG_ACTIVE; } if (synth_state & MOUSE_OVER) { flags |= GTK_STATE_FLAG_PRELIGHT; } if (synth_state & FOCUSED) { flags |= GTK_STATE_FLAG_FOCUSED; } if (synth_state & DEFAULT) { fp_gtk_style_context_add_class (context, "default"); } fp_gtk_style_context_set_state (context, flags); if (fp_gtk_style_context_has_class(context, "progressbar")) { fp_gtk_render_activity (context, cr, x, y, width, height); } else { fp_gtk_render_background (context, cr, x, y, width, height); if (shadow_type != GTK_SHADOW_NONE) { fp_gtk_render_frame(context, cr, x, y, width, height); } } fp_gtk_style_context_restore (context); /* * Reset the text direction to the default value so that we don't * accidentally affect other operations and widgets. */ gtk3_set_direction(gtk3_widget, GTK_TEXT_DIR_LTR); } static void gtk3_paint_box_gap(WidgetType widget_type, GtkStateType state_type, GtkShadowType shadow_type, const gchar *detail, gint x, gint y, gint width, gint height, GtkPositionType gap_side, gint gap_x, gint gap_width) { gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); GtkStateFlags flags = get_gtk_flags(state_type); fp_gtk_style_context_set_state(context, flags); if (detail != 0) { transform_detail_string(detail, context); } fp_gtk_render_background(context, cr, x, y, width, height); if (shadow_type != GTK_SHADOW_NONE) { fp_gtk_render_frame_gap(context, cr, x, y, width, height, gap_side, (gdouble)gap_x, (gdouble)gap_x + gap_width); } fp_gtk_style_context_restore (context); } static void gtk3_paint_check(WidgetType widget_type, gint synth_state, const gchar *detail, gint x, gint y, gint width, gint height) { gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); GtkStateFlags flags = get_gtk_state_flags(synth_state); if (gtk3_version_3_14 && (synth_state & SELECTED)) { flags = GTK_STATE_FLAG_CHECKED; } fp_gtk_style_context_set_state(context, flags); fp_gtk_style_context_add_class (context, "check"); fp_gtk_render_check (context, cr, x, y, width, height); fp_gtk_style_context_restore (context); } static void gtk3_paint_expander(WidgetType widget_type, GtkStateType state_type, const gchar *detail, gint x, gint y, gint width, gint height, GtkExpanderStyle expander_style) { gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); GtkStateFlags flags = get_gtk_flags(state_type); if (expander_style == GTK_EXPANDER_EXPANDED) { flags |= GTK_STATE_FLAG_ACTIVE; } fp_gtk_style_context_set_state(context, flags); if (detail != 0) { transform_detail_string(detail, context); } fp_gtk_render_expander (context, cr, x + 2, y + 2, width - 4, height - 4); fp_gtk_style_context_restore (context); } static void gtk3_paint_extension(WidgetType widget_type, GtkStateType state_type, GtkShadowType shadow_type, const gchar *detail, gint x, gint y, gint width, gint height, GtkPositionType gap_side) { gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); GtkStateFlags flags = GTK_STATE_FLAG_NORMAL; if (state_type == 0) { flags = GTK_STATE_FLAG_ACTIVE; } fp_gtk_style_context_set_state(context, flags); if (detail != 0) { transform_detail_string(detail, context); } switch(gap_side) { case GTK_POS_LEFT: fp_gtk_style_context_add_class(context, "right"); break; case GTK_POS_RIGHT: fp_gtk_style_context_add_class(context, "left"); break; case GTK_POS_TOP: fp_gtk_style_context_add_class(context, "bottom"); break; case GTK_POS_BOTTOM: fp_gtk_style_context_add_class(context, "top"); break; default: break; } fp_gtk_render_extension(context, cr, x, y, width, height, gap_side); fp_gtk_style_context_restore (context); } static void gtk3_paint_flat_box(WidgetType widget_type, GtkStateType state_type, GtkShadowType shadow_type, const gchar *detail, gint x, gint y, gint width, gint height, gboolean has_focus) { if (state_type == GTK_STATE_PRELIGHT && (widget_type == CHECK_BOX || widget_type == RADIO_BUTTON)) { return; } gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); if (detail != 0) { transform_detail_string(detail, context); } GtkStateFlags flags = get_gtk_flags(state_type); if (has_focus) { flags |= GTK_STATE_FLAG_FOCUSED; } fp_gtk_style_context_set_state (context, flags); if (widget_type == COMBO_BOX_TEXT_FIELD) { width += height /2; } fp_gtk_render_background (context, cr, x, y, width, height); fp_gtk_style_context_restore (context); } static void gtk3_paint_focus(WidgetType widget_type, GtkStateType state_type, const char *detail, gint x, gint y, gint width, gint height) { gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); transform_detail_string(detail, context); fp_gtk_render_focus (context, cr, x, y, width, height); fp_gtk_style_context_restore (context); } static void gtk3_paint_handle(WidgetType widget_type, GtkStateType state_type, GtkShadowType shadow_type, const gchar *detail, gint x, gint y, gint width, gint height, GtkOrientation orientation) { gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); GtkStateFlags flags = get_gtk_flags(state_type); fp_gtk_style_context_set_state(context, GTK_STATE_FLAG_PRELIGHT); if (detail != 0) { transform_detail_string(detail, context); fp_gtk_style_context_add_class (context, "handlebox_bin"); } fp_gtk_render_handle(context, cr, x, y, width, height); fp_gtk_render_background(context, cr, x, y, width, height); fp_gtk_style_context_restore (context); } static void gtk3_paint_hline(WidgetType widget_type, GtkStateType state_type, const gchar *detail, gint x, gint y, gint width, gint height) { gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); if (detail != 0) { transform_detail_string(detail, context); } fp_gtk_render_line(context, cr, x, y, x + width, y); fp_gtk_style_context_restore (context); } static void gtk3_paint_vline(WidgetType widget_type, GtkStateType state_type, const gchar *detail, gint x, gint y, gint width, gint height) { gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); if (detail != 0) { transform_detail_string(detail, context); } fp_gtk_render_line(context, cr, x, y, x, y + height); fp_gtk_style_context_restore (context); } static void gtk3_paint_option(WidgetType widget_type, gint synth_state, const gchar *detail, gint x, gint y, gint width, gint height) { gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); GtkStateFlags flags = get_gtk_state_flags(synth_state); if (gtk3_version_3_14 && (synth_state & SELECTED)) { flags = GTK_STATE_FLAG_CHECKED; } fp_gtk_style_context_set_state(context, flags); if (detail != 0) { transform_detail_string(detail, context); } fp_gtk_render_option(context, cr, x, y, width, height); fp_gtk_style_context_restore (context); } static void gtk3_paint_shadow(WidgetType widget_type, GtkStateType state_type, GtkShadowType shadow_type, const gchar *detail, gint x, gint y, gint width, gint height, gint synth_state, GtkTextDirection dir) { if (shadow_type == GTK_SHADOW_NONE) { return; } gtk3_widget = gtk3_get_widget(widget_type); /* * Some engines (e.g. clearlooks) will paint the shadow of certain * widgets (e.g. COMBO_BOX_TEXT_FIELD) differently depending on the * the text direction. */ gtk3_set_direction(gtk3_widget, dir); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); if (detail) { transform_detail_string(detail, context); } GtkStateFlags flags = get_gtk_flags(state_type); if (synth_state & MOUSE_OVER) { flags |= GTK_STATE_FLAG_PRELIGHT; } if (synth_state & FOCUSED) { flags |= GTK_STATE_FLAG_FOCUSED; } fp_gtk_style_context_set_state (context, flags); if (widget_type == COMBO_BOX_TEXT_FIELD) { width += height / 2; } fp_gtk_render_frame(context, cr, x, y, width, height); fp_gtk_style_context_restore (context); /* * Reset the text direction to the default value so that we don't * accidentally affect other operations and widgets. */ gtk3_set_direction(gtk3_widget, GTK_TEXT_DIR_LTR); } static void gtk3_paint_slider(WidgetType widget_type, GtkStateType state_type, GtkShadowType shadow_type, const gchar *detail, gint x, gint y, gint width, gint height, GtkOrientation orientation, gboolean has_focus) { gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); if (detail) { transform_detail_string(detail, context); } GtkStateFlags flags = get_gtk_flags(state_type); if (state_type == GTK_STATE_ACTIVE) { flags |= GTK_STATE_FLAG_PRELIGHT; } if (has_focus) { flags |= GTK_STATE_FLAG_FOCUSED; } fp_gtk_style_context_set_state (context, flags); (*fp_gtk_render_slider)(context, cr, x, y, width, height, orientation); fp_gtk_style_context_restore (context); } static void gtk3_paint_background(WidgetType widget_type, GtkStateType state_type, gint x, gint y, gint width, gint height) { gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); fp_gtk_style_context_save (context); GtkStateFlags flags = get_gtk_flags(state_type); fp_gtk_style_context_set_state (context, flags); fp_gtk_render_background (context, cr, x, y, width, height); fp_gtk_style_context_restore (context); } static GdkPixbuf *gtk3_get_stock_icon(gint widget_type, const gchar *stock_id, GtkIconSize size, GtkTextDirection direction, const char *detail) { int sz; switch(size) { case GTK_ICON_SIZE_MENU: sz = 16; break; case GTK_ICON_SIZE_SMALL_TOOLBAR: sz = 18; break; case GTK_ICON_SIZE_LARGE_TOOLBAR: sz = 24; break; case GTK_ICON_SIZE_BUTTON: sz = 20; break; case GTK_ICON_SIZE_DND: sz = 32; break; case GTK_ICON_SIZE_DIALOG: sz = 48; break; default: sz = 0; break; } init_containers(); gtk3_widget = gtk3_get_widget((widget_type < 0) ? IMAGE : widget_type); (*fp_gtk_widget_set_direction)(gtk3_widget, direction); GtkIconTheme *icon_theme = fp_gtk_icon_theme_get_default(); GdkPixbuf *result = fp_gtk_icon_theme_load_icon(icon_theme, stock_id, sz, GTK_ICON_LOOKUP_USE_BUILTIN, NULL); return result; } static jboolean gtk3_get_pixbuf_data(JNIEnv *env, GdkPixbuf* pixbuf, jmethodID icon_upcall_method, jobject this) { if (!pixbuf) { return JNI_FALSE; } guchar *pixbuf_data = (*fp_gdk_pixbuf_get_pixels)(pixbuf); if (pixbuf_data) { int row_stride = (*fp_gdk_pixbuf_get_rowstride)(pixbuf); int width = (*fp_gdk_pixbuf_get_width)(pixbuf); int height = (*fp_gdk_pixbuf_get_height)(pixbuf); int bps = (*fp_gdk_pixbuf_get_bits_per_sample)(pixbuf); int channels = (*fp_gdk_pixbuf_get_n_channels)(pixbuf); gboolean alpha = (*fp_gdk_pixbuf_get_has_alpha)(pixbuf); jbyteArray data = (*env)->NewByteArray(env, (row_stride * height)); JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE); (*env)->SetByteArrayRegion(env, data, 0, (row_stride * height), (jbyte *)pixbuf_data); (*fp_g_object_unref)(pixbuf); /* Call the callback method to create the image on the Java side. */ (*env)->CallVoidMethod(env, this, icon_upcall_method, data, width, height, row_stride, bps, channels, alpha); return JNI_TRUE; } return JNI_FALSE; } static jboolean gtk3_get_file_icon_data(JNIEnv *env, const char *filename, GError **error, jmethodID icon_upcall_method, jobject this) { GdkPixbuf* pixbuf = fp_gdk_pixbuf_new_from_file(filename, error); return gtk3_get_pixbuf_data(env, pixbuf, icon_upcall_method, this); } static jboolean gtk3_get_icon_data(JNIEnv *env, gint widget_type, const gchar *stock_id, GtkIconSize size, GtkTextDirection direction, const char *detail, jmethodID icon_upcall_method, jobject this) { GdkPixbuf* pixbuf = gtk3_get_stock_icon(widget_type, stock_id, size, direction, detail); return gtk3_get_pixbuf_data(env, pixbuf, icon_upcall_method, this); } /*************************************************/ static gint gtk3_get_xthickness(JNIEnv *env, WidgetType widget_type) { init_containers(); gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); if (context) { GtkBorder padding; fp_gtk_style_context_get_padding(context, 0, &padding); return padding.left + 1; } return 0; } static gint gtk3_get_ythickness(JNIEnv *env, WidgetType widget_type) { init_containers(); gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); if (context) { GtkBorder padding; fp_gtk_style_context_get_padding(context, 0, &padding); return padding.top + 1; } return 0; } /*************************************************/ static guint8 recode_color(gdouble channel) { guint16 result = (guint16)(channel * 65535); if (result > 65535) { result = 65535; } return (guint8)( result >> 8); } static GtkStateFlags gtk3_get_state_flags(GtkStateType state_type) { switch (state_type) { case GTK_STATE_NORMAL: return GTK_STATE_FLAG_NORMAL; case GTK_STATE_ACTIVE: return GTK_STATE_FLAG_ACTIVE; case GTK_STATE_PRELIGHT: return GTK_STATE_FLAG_PRELIGHT; case GTK_STATE_SELECTED: return GTK_STATE_FLAG_SELECTED; case GTK_STATE_INSENSITIVE: return GTK_STATE_FLAG_INSENSITIVE; case GTK_STATE_INCONSISTENT: return GTK_STATE_FLAG_INCONSISTENT; case GTK_STATE_FOCUSED: return GTK_STATE_FLAG_FOCUSED; } return 0; } static void rgb_to_hls (gdouble *r, gdouble *g, gdouble *b) { gdouble min; gdouble max; gdouble red; gdouble green; gdouble blue; gdouble h, l, s; gdouble delta; red = *r; green = *g; blue = *b; if (red > green) { if (red > blue) max = red; else max = blue; if (green < blue) min = green; else min = blue; } else { if (green > blue) max = green; else max = blue; if (red < blue) min = red; else min = blue; } l = (max + min) / 2; s = 0; h = 0; if (max != min) { if (l <= 0.5) s = (max - min) / (max + min); else s = (max - min) / (2 - max - min); delta = max -min; if (red == max) h = (green - blue) / delta; else if (green == max) h = 2 + (blue - red) / delta; else if (blue == max) h = 4 + (red - green) / delta; h *= 60; if (h < 0.0) h += 360; } *r = h; *g = l; *b = s; } static void hls_to_rgb (gdouble *h, gdouble *l, gdouble *s) { gdouble hue; gdouble lightness; gdouble saturation; gdouble m1, m2; gdouble r, g, b; lightness = *l; saturation = *s; if (lightness <= 0.5) m2 = lightness * (1 + saturation); else m2 = lightness + saturation - lightness * saturation; m1 = 2 * lightness - m2; if (saturation == 0) { *h = lightness; *l = lightness; *s = lightness; } else { hue = *h + 120; while (hue > 360) hue -= 360; while (hue < 0) hue += 360; if (hue < 60) r = m1 + (m2 - m1) * hue / 60; else if (hue < 180) r = m2; else if (hue < 240) r = m1 + (m2 - m1) * (240 - hue) / 60; else r = m1; hue = *h; while (hue > 360) hue -= 360; while (hue < 0) hue += 360; if (hue < 60) g = m1 + (m2 - m1) * hue / 60; else if (hue < 180) g = m2; else if (hue < 240) g = m1 + (m2 - m1) * (240 - hue) / 60; else g = m1; hue = *h - 120; while (hue > 360) hue -= 360; while (hue < 0) hue += 360; if (hue < 60) b = m1 + (m2 - m1) * hue / 60; else if (hue < 180) b = m2; else if (hue < 240) b = m1 + (m2 - m1) * (240 - hue) / 60; else b = m1; *h = r; *l = g; *s = b; } } static void gtk3_style_shade (const GdkRGBA *a, GdkRGBA *b, gdouble k) { gdouble red = a->red; gdouble green = a->green; gdouble blue = a->blue; rgb_to_hls (&red, &green, &blue); green *= k; if (green > 1.0) green = 1.0; else if (green < 0.0) green = 0.0; blue *= k; if (blue > 1.0) blue = 1.0; else if (blue < 0.0) blue = 0.0; hls_to_rgb (&red, &green, &blue); b->red = red; b->green = green; b->blue = blue; } static GdkRGBA gtk3_get_color_for_flags(GtkStyleContext* context, GtkStateFlags flags, ColorType color_type) { GdkRGBA c, color; color.alpha = 1; switch (color_type) { case FOREGROUND: case TEXT_FOREGROUND: fp_gtk_style_context_get_color(context, flags, &color); break; case BACKGROUND: case TEXT_BACKGROUND: fp_gtk_style_context_get_background_color(context, flags, &color); break; case LIGHT: c = gtk3_get_color_for_flags(context, flags, BACKGROUND); gtk3_style_shade(&c, &color, LIGHTNESS_MULT); break; case DARK: c = gtk3_get_color_for_flags(context, flags, BACKGROUND); gtk3_style_shade (&c, &color, DARKNESS_MULT); break; case MID: { GdkRGBA c1 = gtk3_get_color_for_flags(context, flags, LIGHT); GdkRGBA c2 = gtk3_get_color_for_flags(context, flags, DARK); color.red = (c1.red + c2.red) / 2; color.green = (c1.green + c2.green) / 2; color.blue = (c1.blue + c2.blue) / 2; } break; case FOCUS: case BLACK: color.red = 0; color.green = 0; color.blue = 0; break; case WHITE: color.red = 1; color.green = 1; color.blue = 1; break; } return color; } static gint gtk3_get_color_for_state(JNIEnv *env, WidgetType widget_type, GtkStateType state_type, ColorType color_type) { gint result = 0; GtkStateFlags flags = gtk3_get_state_flags(state_type); init_containers(); gtk3_widget = gtk3_get_widget(widget_type); GtkStyleContext* context = fp_gtk_widget_get_style_context(gtk3_widget); if (widget_type == TOOL_TIP) { fp_gtk_style_context_add_class(context, "tooltip"); } if (widget_type == CHECK_BOX_MENU_ITEM || widget_type == RADIO_BUTTON_MENU_ITEM) { flags &= GTK_STATE_FLAG_NORMAL | GTK_STATE_FLAG_SELECTED | GTK_STATE_FLAG_INSENSITIVE | GTK_STATE_FLAG_FOCUSED; } GdkRGBA color = gtk3_get_color_for_flags(context, flags, color_type); if (recode_color(color.alpha) == 0) { color = gtk3_get_color_for_flags( fp_gtk_widget_get_style_context(gtk3_get_widget(INTERNAL_FRAME)), 0, BACKGROUND); } result = recode_color(color.alpha) << 24 | recode_color(color.red) << 16 | recode_color(color.green) << 8 | recode_color(color.blue); return result; } /*************************************************/ static jobject create_Boolean(JNIEnv *env, jboolean boolean_value); static jobject create_Integer(JNIEnv *env, jint int_value); static jobject create_Long(JNIEnv *env, jlong long_value); static jobject create_Float(JNIEnv *env, jfloat float_value); static jobject create_Double(JNIEnv *env, jdouble double_value); static jobject create_Character(JNIEnv *env, jchar char_value); static jobject create_Insets(JNIEnv *env, GtkBorder *border); static jobject gtk3_get_class_value(JNIEnv *env, WidgetType widget_type, const char* key) { init_containers(); gtk3_widget = gtk3_get_widget(widget_type); GValue value = { 0, { { 0 } } }; GParamSpec* param = (*fp_gtk_widget_class_find_style_property)( ((GTypeInstance*)gtk3_widget)->g_class, key); if ( param ) { (*fp_g_value_init)( &value, param->value_type ); (*fp_gtk_widget_style_get_property)(gtk3_widget, key, &value); if ((*fp_g_type_is_a)( param->value_type, G_TYPE_BOOLEAN )) { gboolean val = (*fp_g_value_get_boolean)(&value); return create_Boolean(env, (jboolean)val); } else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_CHAR )) { gchar val = (*fp_g_value_get_char)(&value); return create_Character(env, (jchar)val); } else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_UCHAR )) { guchar val = (*fp_g_value_get_uchar)(&value); return create_Character(env, (jchar)val); } else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_INT )) { gint val = (*fp_g_value_get_int)(&value); return create_Integer(env, (jint)val); } else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_UINT )) { guint val = (*fp_g_value_get_uint)(&value); return create_Integer(env, (jint)val); } else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_LONG )) { glong val = (*fp_g_value_get_long)(&value); return create_Long(env, (jlong)val); } else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_ULONG )) { gulong val = (*fp_g_value_get_ulong)(&value); return create_Long(env, (jlong)val); } else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_INT64 )) { gint64 val = (*fp_g_value_get_int64)(&value); return create_Long(env, (jlong)val); } else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_UINT64 )) { guint64 val = (*fp_g_value_get_uint64)(&value); return create_Long(env, (jlong)val); } else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_FLOAT )) { gfloat val = (*fp_g_value_get_float)(&value); return create_Float(env, (jfloat)val); } else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_DOUBLE )) { gdouble val = (*fp_g_value_get_double)(&value); return create_Double(env, (jdouble)val); } else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_ENUM )) { gint val = (*fp_g_value_get_enum)(&value); return create_Integer(env, (jint)val); } else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_FLAGS )) { guint val = (*fp_g_value_get_flags)(&value); return create_Integer(env, (jint)val); } else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_STRING )) { const gchar* val = (*fp_g_value_get_string)(&value); /* We suppose that all values come in C locale and * utf-8 representation of a string is the same as * the string itself. If this isn't so we should * use g_convert. */ return (*env)->NewStringUTF(env, val); } else if ((*fp_g_type_is_a)( param->value_type, GTK_TYPE_BORDER )) { GtkBorder *border = (GtkBorder*)(*fp_g_value_get_boxed)(&value); return border ? create_Insets(env, border) : NULL; } /* TODO: Other types are not supported yet.*/ /* else if((*fp_g_type_is_a)( param->value_type, G_TYPE_PARAM )) { GParamSpec* val = (*fp_g_value_get_param)(&value); printf( "Param: %p\n", val ); } else if((*fp_g_type_is_a)( param->value_type, G_TYPE_BOXED )) { gpointer* val = (*fp_g_value_get_boxed)(&value); printf( "Boxed: %p\n", val ); } else if((*fp_g_type_is_a)( param->value_type, G_TYPE_POINTER )) { gpointer* val = (*fp_g_value_get_pointer)(&value); printf( "Pointer: %p\n", val ); } else if((*fp_g_type_is_a)( param->value_type, G_TYPE_OBJECT )) { GObject* val = (GObject*)(*fp_g_value_get_object)(&value); printf( "Object: %p\n", val ); }*/ } return NULL; } static void gtk3_set_range_value(WidgetType widget_type, jdouble value, jdouble min, jdouble max, jdouble visible) { GtkAdjustment *adj; gtk3_widget = gtk3_get_widget(widget_type); adj = (*fp_gtk_range_get_adjustment)((GtkRange *)gtk3_widget); fp_gtk_adjustment_set_value(adj, value); fp_gtk_adjustment_set_lower(adj, min); fp_gtk_adjustment_set_upper(adj, max); fp_gtk_adjustment_set_page_size(adj, visible); } /*************************************************/ static jobject create_Object(JNIEnv *env, jmethodID *cid, const char* class_name, const char* signature, jvalue* value) { jclass class; jobject result; class = (*env)->FindClass(env, class_name); if (class == NULL) return NULL; /* can't find/load the class, exception thrown */ if (*cid == NULL) { *cid = (*env)->GetMethodID(env, class, "", signature); if (*cid == NULL) { (*env)->DeleteLocalRef(env, class); return NULL; /* can't find/get the method, exception thrown */ } } result = (*env)->NewObjectA(env, class, *cid, value); (*env)->DeleteLocalRef(env, class); return result; } jobject create_Boolean(JNIEnv *env, jboolean boolean_value) { static jmethodID cid = NULL; jvalue value; value.z = boolean_value; return create_Object(env, &cid, "java/lang/Boolean", "(Z)V", &value); } jobject create_Integer(JNIEnv *env, jint int_value) { static jmethodID cid = NULL; jvalue value; value.i = int_value; return create_Object(env, &cid, "java/lang/Integer", "(I)V", &value); } jobject create_Long(JNIEnv *env, jlong long_value) { static jmethodID cid = NULL; jvalue value; value.j = long_value; return create_Object(env, &cid, "java/lang/Long", "(J)V", &value); } jobject create_Float(JNIEnv *env, jfloat float_value) { static jmethodID cid = NULL; jvalue value; value.f = float_value; return create_Object(env, &cid, "java/lang/Float", "(F)V", &value); } jobject create_Double(JNIEnv *env, jdouble double_value) { static jmethodID cid = NULL; jvalue value; value.d = double_value; return create_Object(env, &cid, "java/lang/Double", "(D)V", &value); } jobject create_Character(JNIEnv *env, jchar char_value) { static jmethodID cid = NULL; jvalue value; value.c = char_value; return create_Object(env, &cid, "java/lang/Character", "(C)V", &value); } jobject create_Insets(JNIEnv *env, GtkBorder *border) { static jmethodID cid = NULL; jvalue values[4]; values[0].i = border->top; values[1].i = border->left; values[2].i = border->bottom; values[3].i = border->right; return create_Object(env, &cid, "java/awt/Insets", "(IIII)V", values); } /*********************************************/ static jstring gtk3_get_pango_font_name(JNIEnv *env, WidgetType widget_type) { init_containers(); gtk3_widget = gtk3_get_widget(widget_type); jstring result = NULL; GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget); if (context) { PangoFontDescription* fd = fp_gtk_style_context_get_font(context, 0); gchar* val = (*fp_pango_font_description_to_string)(fd); result = (*env)->NewStringUTF(env, val); (*fp_g_free)( val ); } return result; } /***********************************************/ static jobject get_string_property(JNIEnv *env, GtkSettings* settings, const gchar* key) { jobject result = NULL; gchar* strval = NULL; (*fp_g_object_get)(settings, key, &strval, NULL); result = (*env)->NewStringUTF(env, strval); (*fp_g_free)(strval); return result; } static jobject get_integer_property(JNIEnv *env, GtkSettings* settings, const gchar* key) { gint intval = 0; (*fp_g_object_get)(settings, key, &intval, NULL); return create_Integer(env, intval); } static jobject get_boolean_property(JNIEnv *env, GtkSettings* settings, const gchar* key) { gint intval = 0; (*fp_g_object_get)(settings, key, &intval, NULL); return create_Boolean(env, intval); } static jobject gtk3_get_setting(JNIEnv *env, Setting property) { GtkSettings* settings = (*fp_gtk_settings_get_default)(); switch (property) { case GTK_FONT_NAME: return get_string_property(env, settings, "gtk-font-name"); case GTK_ICON_SIZES: return get_string_property(env, settings, "gtk-icon-sizes"); case GTK_CURSOR_BLINK: return get_boolean_property(env, settings, "gtk-cursor-blink"); case GTK_CURSOR_BLINK_TIME: return get_integer_property(env, settings, "gtk-cursor-blink-time"); } return NULL; } static void transform_detail_string (const gchar *detail, GtkStyleContext *context) { if (!detail) return; if (strcmp (detail, "arrow") == 0) fp_gtk_style_context_add_class (context, "arrow"); else if (strcmp (detail, "button") == 0) fp_gtk_style_context_add_class (context, "button"); else if (strcmp (detail, "buttondefault") == 0) { fp_gtk_style_context_add_class (context, "button"); fp_gtk_style_context_add_class (context, "default"); } else if (strcmp (detail, "calendar") == 0) fp_gtk_style_context_add_class (context, "calendar"); else if (strcmp (detail, "cellcheck") == 0) { fp_gtk_style_context_add_class (context, "cell"); fp_gtk_style_context_add_class (context, "check"); } else if (strcmp (detail, "cellradio") == 0) { fp_gtk_style_context_add_class (context, "cell"); fp_gtk_style_context_add_class (context, "radio"); } else if (strcmp (detail, "checkbutton") == 0) fp_gtk_style_context_add_class (context, "check"); else if (strcmp (detail, "check") == 0) { fp_gtk_style_context_add_class (context, "check"); fp_gtk_style_context_add_class (context, "menu"); } else if (strcmp (detail, "radiobutton") == 0) { fp_gtk_style_context_add_class (context, "radio"); } else if (strcmp (detail, "option") == 0) { fp_gtk_style_context_add_class (context, "radio"); fp_gtk_style_context_add_class (context, "menu"); } else if (strcmp (detail, "entry") == 0 || strcmp (detail, "entry_bg") == 0) fp_gtk_style_context_add_class (context, "entry"); else if (strcmp (detail, "expander") == 0) fp_gtk_style_context_add_class (context, "expander"); else if (strcmp (detail, "tooltip") == 0) fp_gtk_style_context_add_class (context, "tooltip"); else if (strcmp (detail, "frame") == 0) fp_gtk_style_context_add_class (context, "frame"); else if (strcmp (detail, "scrolled_window") == 0) fp_gtk_style_context_add_class (context, "scrolled-window"); else if (strcmp (detail, "viewport") == 0 || strcmp (detail, "viewportbin") == 0) fp_gtk_style_context_add_class (context, "viewport"); else if (strncmp (detail, "trough", 6) == 0) fp_gtk_style_context_add_class (context, "trough"); else if (strcmp (detail, "spinbutton") == 0) fp_gtk_style_context_add_class (context, "spinbutton"); else if (strcmp (detail, "spinbutton_up") == 0) { fp_gtk_style_context_add_class (context, "spinbutton"); fp_gtk_style_context_add_class (context, "button"); fp_gtk_style_context_set_junction_sides (context, GTK_JUNCTION_BOTTOM); } else if (strcmp (detail, "spinbutton_down") == 0) { fp_gtk_style_context_add_class (context, "spinbutton"); fp_gtk_style_context_add_class (context, "button"); fp_gtk_style_context_set_junction_sides (context, GTK_JUNCTION_TOP); } else if ((detail[0] == 'h' || detail[0] == 'v') && strncmp (&detail[1], "scrollbar_", 9) == 0) { fp_gtk_style_context_add_class (context, "button"); fp_gtk_style_context_add_class (context, "scrollbar"); } else if (strcmp (detail, "slider") == 0) { fp_gtk_style_context_add_class (context, "slider"); fp_gtk_style_context_add_class (context, "scrollbar"); } else if (strcmp (detail, "vscale") == 0 || strcmp (detail, "hscale") == 0) { fp_gtk_style_context_add_class (context, "slider"); fp_gtk_style_context_add_class (context, "scale"); } else if (strcmp (detail, "menuitem") == 0) { fp_gtk_style_context_add_class (context, "menuitem"); fp_gtk_style_context_add_class (context, "menu"); } else if (strcmp (detail, "menu") == 0) { fp_gtk_style_context_add_class (context, "popup"); fp_gtk_style_context_add_class (context, "menu"); } else if (strcmp (detail, "accellabel") == 0) fp_gtk_style_context_add_class (context, "accelerator"); else if (strcmp (detail, "menubar") == 0) fp_gtk_style_context_add_class (context, "menubar"); else if (strcmp (detail, "base") == 0) fp_gtk_style_context_add_class (context, "background"); else if (strcmp (detail, "bar") == 0 || strcmp (detail, "progressbar") == 0) fp_gtk_style_context_add_class (context, "progressbar"); else if (strcmp (detail, "toolbar") == 0) fp_gtk_style_context_add_class (context, "toolbar"); else if (strcmp (detail, "handlebox_bin") == 0) fp_gtk_style_context_add_class (context, "dock"); else if (strcmp (detail, "notebook") == 0) fp_gtk_style_context_add_class (context, "notebook"); else if (strcmp (detail, "tab") == 0) { fp_gtk_style_context_add_class (context, "notebook"); fp_gtk_style_context_add_region (context, "tab", 0); } else if (strcmp (detail, "paned") == 0) { fp_gtk_style_context_add_class (context, "pane-separator"); } else if (fp_g_str_has_prefix (detail, "cell")) { GtkRegionFlags row, col; gboolean ruled = FALSE; gchar** tokens; guint i; tokens = fp_g_strsplit (detail, "_", -1); row = col = 0; i = 0; while (tokens[i]) { if (strcmp (tokens[i], "even") == 0) row |= GTK_REGION_EVEN; else if (strcmp (tokens[i], "odd") == 0) row |= GTK_REGION_ODD; else if (strcmp (tokens[i], "start") == 0) col |= GTK_REGION_FIRST; else if (strcmp (tokens[i], "end") == 0) col |= GTK_REGION_LAST; else if (strcmp (tokens[i], "ruled") == 0) ruled = TRUE; else if (strcmp (tokens[i], "sorted") == 0) col |= GTK_REGION_SORTED; i++; } if (!ruled) row &= ~(GTK_REGION_EVEN | GTK_REGION_ODD); fp_gtk_style_context_add_class (context, "cell"); fp_gtk_style_context_add_region (context, "row", row); fp_gtk_style_context_add_region (context, "column", col); fp_g_strfreev (tokens); } } static GdkWindow* gtk3_get_window(void *widget) { return fp_gtk_widget_get_window((GtkWidget*)widget); } static void gtk3_init(GtkApi* gtk) { gtk->version = GTK_3; gtk->show_uri_load = >k3_show_uri_load; gtk->unload = >k3_unload; gtk->flush_event_loop = &flush_gtk_event_loop; gtk->gtk_check_version = fp_gtk_check_version; gtk->get_setting = >k3_get_setting; gtk->paint_arrow = >k3_paint_arrow; gtk->paint_box = >k3_paint_box; gtk->paint_box_gap = >k3_paint_box_gap; gtk->paint_expander = >k3_paint_expander; gtk->paint_extension = >k3_paint_extension; gtk->paint_flat_box = >k3_paint_flat_box; gtk->paint_focus = >k3_paint_focus; gtk->paint_handle = >k3_paint_handle; gtk->paint_hline = >k3_paint_hline; gtk->paint_vline = >k3_paint_vline; gtk->paint_option = >k3_paint_option; gtk->paint_shadow = >k3_paint_shadow; gtk->paint_slider = >k3_paint_slider; gtk->paint_background = >k3_paint_background; gtk->paint_check = >k3_paint_check; gtk->set_range_value = >k3_set_range_value; gtk->init_painting = >k3_init_painting; gtk->copy_image = >k3_copy_image; gtk->get_xthickness = >k3_get_xthickness; gtk->get_ythickness = >k3_get_ythickness; gtk->get_color_for_state = >k3_get_color_for_state; gtk->get_class_value = >k3_get_class_value; gtk->get_pango_font_name = >k3_get_pango_font_name; gtk->get_icon_data = >k3_get_icon_data; gtk->get_file_icon_data = >k3_get_file_icon_data; gtk->gdk_threads_enter = fp_gdk_threads_enter; gtk->gdk_threads_leave = fp_gdk_threads_leave; gtk->gtk_show_uri = fp_gtk_show_uri; gtk->g_free = fp_g_free; gtk->gtk_file_chooser_get_filename = fp_gtk_file_chooser_get_filename; gtk->gtk_widget_hide = fp_gtk_widget_hide; gtk->gtk_main_quit = fp_gtk_main_quit; gtk->gtk_file_chooser_dialog_new = fp_gtk_file_chooser_dialog_new; gtk->gtk_file_chooser_set_current_folder = fp_gtk_file_chooser_set_current_folder; gtk->gtk_file_chooser_set_filename = fp_gtk_file_chooser_set_filename; gtk->gtk_file_chooser_set_current_name = fp_gtk_file_chooser_set_current_name; gtk->gtk_file_filter_add_custom = fp_gtk_file_filter_add_custom; gtk->gtk_file_chooser_set_filter = fp_gtk_file_chooser_set_filter; gtk->gtk_file_chooser_get_type = fp_gtk_file_chooser_get_type; gtk->gtk_file_filter_new = fp_gtk_file_filter_new; gtk->gtk_file_chooser_set_do_overwrite_confirmation = fp_gtk_file_chooser_set_do_overwrite_confirmation; gtk->gtk_file_chooser_set_select_multiple = fp_gtk_file_chooser_set_select_multiple; gtk->gtk_file_chooser_get_current_folder = fp_gtk_file_chooser_get_current_folder; gtk->gtk_file_chooser_get_filenames = fp_gtk_file_chooser_get_filenames; gtk->gtk_g_slist_length = fp_gtk_g_slist_length; gtk->g_signal_connect_data = fp_g_signal_connect_data; gtk->gtk_widget_show = fp_gtk_widget_show; gtk->gtk_main = fp_gtk_main; gtk->gtk_main_level = fp_gtk_main_level; gtk->g_path_get_dirname = fp_g_path_get_dirname; gtk->gtk_widget_destroy = fp_gtk_widget_destroy; gtk->gtk_window_present = fp_gtk_window_present; gtk->gtk_window_move = fp_gtk_window_move; gtk->gtk_window_resize = fp_gtk_window_resize; gtk->get_window = >k3_get_window; gtk->g_object_unref = fp_g_object_unref; gtk->g_list_append = fp_g_list_append; gtk->g_list_free = fp_g_list_free; gtk->g_list_free_full = fp_g_list_free_full; }