1 /*
   2  * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 #ifndef _GTK2_INTERFACE_H
  26 #define _GTK2_INTERFACE_H
  27 
  28 #include <stdlib.h>
  29 #include <jni.h>
  30 #include <X11/X.h>
  31 
  32 #define _G_TYPE_CIC(ip, gt, ct)       ((ct*) ip)
  33 #define G_TYPE_CHECK_INSTANCE_CAST(instance, g_type, c_type)    (_G_TYPE_CIC ((instance), (g_type), c_type))
  34 #define GTK_TYPE_FILE_CHOOSER             (fp_gtk_file_chooser_get_type ())
  35 #define GTK_FILE_CHOOSER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_FILE_CHOOSER, GtkFileChooser))
  36 #define fp_g_signal_connect(instance, detailed_signal, c_handler, data) \
  37     fp_g_signal_connect_data ((instance), (detailed_signal), (c_handler), (data), NULL, (GConnectFlags) 0)
  38 #define G_CALLBACK(f) ((GCallback) (f))
  39 #define G_TYPE_FUNDAMENTAL_SHIFT (2)
  40 #define G_TYPE_MAKE_FUNDAMENTAL(x) ((GType) ((x) << G_TYPE_FUNDAMENTAL_SHIFT))
  41 #define G_TYPE_OBJECT G_TYPE_MAKE_FUNDAMENTAL (20)
  42 #define G_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), G_TYPE_OBJECT, GObject))
  43 #define GTK_STOCK_CANCEL           "gtk-cancel"
  44 #define GTK_STOCK_SAVE             "gtk-save"
  45 #define GTK_STOCK_OPEN             "gtk-open"
  46 #define GDK_CURRENT_TIME           0L
  47 
  48 typedef enum _WidgetType
  49 {
  50     BUTTON,                     /* GtkButton */
  51     CHECK_BOX,                  /* GtkCheckButton */
  52     CHECK_BOX_MENU_ITEM,        /* GtkCheckMenuItem */
  53     COLOR_CHOOSER,              /* GtkColorSelectionDialog */
  54     COMBO_BOX,                  /* GtkComboBox */
  55     COMBO_BOX_ARROW_BUTTON,     /* GtkComboBoxEntry */
  56     COMBO_BOX_TEXT_FIELD,       /* GtkComboBoxEntry */
  57     DESKTOP_ICON,               /* GtkLabel */
  58     DESKTOP_PANE,               /* GtkContainer */
  59     EDITOR_PANE,                /* GtkTextView */
  60     FORMATTED_TEXT_FIELD,       /* GtkEntry */
  61     HANDLE_BOX,                 /* GtkHandleBox */
  62     HPROGRESS_BAR,              /* GtkProgressBar */
  63     HSCROLL_BAR,                /* GtkHScrollbar */
  64     HSCROLL_BAR_BUTTON_LEFT,    /* GtkHScrollbar */
  65     HSCROLL_BAR_BUTTON_RIGHT,   /* GtkHScrollbar */
  66     HSCROLL_BAR_TRACK,          /* GtkHScrollbar */
  67     HSCROLL_BAR_THUMB,          /* GtkHScrollbar */
  68     HSEPARATOR,                 /* GtkHSeparator */
  69     HSLIDER,                    /* GtkHScale */
  70     HSLIDER_TRACK,              /* GtkHScale */
  71     HSLIDER_THUMB,              /* GtkHScale */
  72     HSPLIT_PANE_DIVIDER,        /* GtkHPaned */
  73     INTERNAL_FRAME,             /* GtkWindow */
  74     INTERNAL_FRAME_TITLE_PANE,  /* GtkLabel */
  75     IMAGE,                      /* GtkImage */
  76     LABEL,                      /* GtkLabel */
  77     LIST,                       /* GtkTreeView */
  78     MENU,                       /* GtkMenu */
  79     MENU_BAR,                   /* GtkMenuBar */
  80     MENU_ITEM,                  /* GtkMenuItem */
  81     MENU_ITEM_ACCELERATOR,      /* GtkLabel */
  82     OPTION_PANE,                /* GtkMessageDialog */
  83     PANEL,                      /* GtkContainer */
  84     PASSWORD_FIELD,             /* GtkEntry */
  85     POPUP_MENU,                 /* GtkMenu */
  86     POPUP_MENU_SEPARATOR,       /* GtkSeparatorMenuItem */
  87     RADIO_BUTTON,               /* GtkRadioButton */
  88     RADIO_BUTTON_MENU_ITEM,     /* GtkRadioMenuItem */
  89     ROOT_PANE,                  /* GtkContainer */
  90     SCROLL_PANE,                /* GtkScrolledWindow */
  91     SPINNER,                    /* GtkSpinButton */
  92     SPINNER_ARROW_BUTTON,       /* GtkSpinButton */
  93     SPINNER_TEXT_FIELD,         /* GtkSpinButton */
  94     SPLIT_PANE,                 /* GtkPaned */
  95     TABBED_PANE,                /* GtkNotebook */
  96     TABBED_PANE_TAB_AREA,       /* GtkNotebook */
  97     TABBED_PANE_CONTENT,        /* GtkNotebook */
  98     TABBED_PANE_TAB,            /* GtkNotebook */
  99     TABLE,                      /* GtkTreeView */
 100     TABLE_HEADER,               /* GtkButton */
 101     TEXT_AREA,                  /* GtkTextView */
 102     TEXT_FIELD,                 /* GtkEntry */
 103     TEXT_PANE,                  /* GtkTextView */
 104     TITLED_BORDER,              /* GtkFrame */
 105     TOGGLE_BUTTON,              /* GtkToggleButton */
 106     TOOL_BAR,                   /* GtkToolbar */
 107     TOOL_BAR_DRAG_WINDOW,       /* GtkToolbar */
 108     TOOL_BAR_SEPARATOR,         /* GtkSeparatorToolItem */
 109     TOOL_TIP,                   /* GtkWindow */
 110     TREE,                       /* GtkTreeView */
 111     TREE_CELL,                  /* GtkTreeView */
 112     VIEWPORT,                   /* GtkViewport */
 113     VPROGRESS_BAR,              /* GtkProgressBar */
 114     VSCROLL_BAR,                /* GtkVScrollbar */
 115     VSCROLL_BAR_BUTTON_UP,      /* GtkVScrollbar */
 116     VSCROLL_BAR_BUTTON_DOWN,    /* GtkVScrollbar */
 117     VSCROLL_BAR_TRACK,          /* GtkVScrollbar */
 118     VSCROLL_BAR_THUMB,          /* GtkVScrollbar */
 119     VSEPARATOR,                 /* GtkVSeparator */
 120     VSLIDER,                    /* GtkVScale */
 121     VSLIDER_TRACK,              /* GtkVScale */
 122     VSLIDER_THUMB,              /* GtkVScale */
 123     VSPLIT_PANE_DIVIDER,        /* GtkVPaned */
 124     WIDGET_TYPE_SIZE
 125 } WidgetType;
 126 
 127 typedef enum _ColorType
 128 {
 129     FOREGROUND,
 130     BACKGROUND,
 131     TEXT_FOREGROUND,
 132     TEXT_BACKGROUND,
 133     FOCUS,
 134     LIGHT,
 135     DARK,
 136     MID,
 137     BLACK,
 138     WHITE
 139 } ColorType;
 140 
 141 typedef enum _Setting
 142 {
 143     GTK_FONT_NAME,
 144     GTK_ICON_SIZES,
 145     GTK_CURSOR_BLINK,
 146     GTK_CURSOR_BLINK_TIME
 147 } Setting;
 148 
 149 /* GTK types, here to eliminate need for GTK headers at compile time */
 150 
 151 #ifndef FALSE
 152 #define FALSE           (0)
 153 #define TRUE            (!FALSE)
 154 #endif
 155 
 156 #define GTK_HAS_FOCUS   (1 << 12)
 157 #define GTK_HAS_DEFAULT (1 << 14)
 158 
 159 
 160 /* basic types */
 161 typedef char    gchar;
 162 typedef short   gshort;
 163 typedef int     gint;
 164 typedef long    glong;
 165 typedef float   gfloat;
 166 typedef double  gdouble;
 167 typedef void*   gpointer;
 168 typedef gint    gboolean;
 169 
 170 typedef signed char  gint8;
 171 typedef signed short gint16;
 172 typedef signed int   gint32;
 173 
 174 typedef unsigned char  guchar;
 175 typedef unsigned char  guint8;
 176 typedef unsigned short gushort;
 177 typedef unsigned short guint16;
 178 typedef unsigned int   guint;
 179 typedef unsigned int   guint32;
 180 typedef unsigned int   gsize;
 181 typedef unsigned long  gulong;
 182 
 183 typedef signed long long   gint64;
 184 typedef unsigned long long guint64;
 185 
 186 /* enumerated constants */
 187 typedef enum
 188 {
 189   GTK_ARROW_UP,
 190   GTK_ARROW_DOWN,
 191   GTK_ARROW_LEFT,
 192   GTK_ARROW_RIGHT
 193 } GtkArrowType;
 194 
 195 typedef enum {
 196   GDK_COLORSPACE_RGB
 197 } GdkColorspace;
 198 
 199 typedef enum
 200 {
 201   GTK_EXPANDER_COLLAPSED,
 202   GTK_EXPANDER_SEMI_COLLAPSED,
 203   GTK_EXPANDER_SEMI_EXPANDED,
 204   GTK_EXPANDER_EXPANDED
 205 } GtkExpanderStyle;
 206 
 207 typedef enum
 208 {
 209   GTK_ICON_SIZE_INVALID,
 210   GTK_ICON_SIZE_MENU,
 211   GTK_ICON_SIZE_SMALL_TOOLBAR,
 212   GTK_ICON_SIZE_LARGE_TOOLBAR,
 213   GTK_ICON_SIZE_BUTTON,
 214   GTK_ICON_SIZE_DND,
 215   GTK_ICON_SIZE_DIALOG
 216 } GtkIconSize;
 217 
 218 typedef enum
 219 {
 220   GTK_ORIENTATION_HORIZONTAL,
 221   GTK_ORIENTATION_VERTICAL
 222 } GtkOrientation;
 223 
 224 typedef enum
 225 {
 226   GTK_POS_LEFT,
 227   GTK_POS_RIGHT,
 228   GTK_POS_TOP,
 229   GTK_POS_BOTTOM
 230 } GtkPositionType;
 231 
 232 typedef enum
 233 {
 234   GTK_SHADOW_NONE,
 235   GTK_SHADOW_IN,
 236   GTK_SHADOW_OUT,
 237   GTK_SHADOW_ETCHED_IN,
 238   GTK_SHADOW_ETCHED_OUT
 239 } GtkShadowType;
 240 
 241 typedef enum
 242 {
 243   GTK_STATE_NORMAL,
 244   GTK_STATE_ACTIVE,
 245   GTK_STATE_PRELIGHT,
 246   GTK_STATE_SELECTED,
 247   GTK_STATE_INSENSITIVE
 248 } GtkStateType;
 249 
 250 typedef enum
 251 {
 252   GTK_TEXT_DIR_NONE,
 253   GTK_TEXT_DIR_LTR,
 254   GTK_TEXT_DIR_RTL
 255 } GtkTextDirection;
 256 
 257 typedef enum
 258 {
 259   GTK_WINDOW_TOPLEVEL,
 260   GTK_WINDOW_POPUP
 261 } GtkWindowType;
 262 
 263 typedef enum
 264 {
 265   G_PARAM_READABLE            = 1 << 0,
 266   G_PARAM_WRITABLE            = 1 << 1,
 267   G_PARAM_CONSTRUCT           = 1 << 2,
 268   G_PARAM_CONSTRUCT_ONLY      = 1 << 3,
 269   G_PARAM_LAX_VALIDATION      = 1 << 4,
 270   G_PARAM_PRIVATE             = 1 << 5
 271 } GParamFlags;
 272 
 273 typedef enum {
 274     GDK_INTERP_NEAREST,
 275     GDK_INTERP_TILES,
 276     GDK_INTERP_BILINEAR,
 277     GDK_INTERP_HYPER          
 278 } GdkInterpType;
 279 
 280 /* We define all structure pointers to be void* */
 281 typedef void GError;
 282 typedef void GMainContext;
 283 typedef void GVfs;
 284 
 285 typedef struct _GSList GSList;
 286 struct _GSList
 287 {
 288   gpointer data;
 289   GSList *next;
 290 };
 291 
 292 typedef void GdkColormap;
 293 typedef void GdkDrawable;
 294 typedef void GdkGC;
 295 typedef void GdkScreen;
 296 typedef void GdkPixbuf;
 297 typedef void GdkPixmap;
 298 typedef void GdkWindow;
 299 
 300 typedef void GtkFixed;
 301 typedef void GtkMenuItem;
 302 typedef void GtkMenuShell;
 303 typedef void GtkWidgetClass;
 304 typedef void PangoFontDescription;
 305 typedef void GtkSettings;
 306 
 307 /* Some real structures */
 308 typedef struct
 309 {
 310   guint32 pixel;
 311   guint16 red;
 312   guint16 green;
 313   guint16 blue;
 314 } GdkColor;
 315 
 316 typedef struct {
 317   gint      fd;
 318   gushort   events;
 319   gushort   revents;
 320 } GPollFD;
 321 
 322 typedef struct {
 323   gint x;
 324   gint y;
 325   gint width;
 326   gint height;
 327 } GdkRectangle;
 328 
 329 typedef struct {
 330   gint x;
 331   gint y;
 332   gint width;
 333   gint height;
 334 } GtkAllocation;
 335 
 336 typedef struct {
 337   gint width;
 338   gint height;
 339 } GtkRequisition;
 340 
 341 typedef struct {
 342   GtkWidgetClass *g_class;
 343 } GTypeInstance;
 344 
 345 typedef struct {
 346   gint left;
 347   gint right;
 348   gint top;
 349   gint bottom;
 350 } GtkBorder;
 351 
 352 /******************************************************
 353  * FIXME: it is more safe to include gtk headers for
 354  * the precise type definition of GType and other
 355  * structures. This is a place where getting rid of gtk
 356  * headers may be dangerous.
 357  ******************************************************/
 358 typedef gulong         GType;
 359 
 360 typedef struct
 361 {
 362   GType         g_type;
 363 
 364   union {
 365     gint        v_int;
 366     guint       v_uint;
 367     glong       v_long;
 368     gulong      v_ulong;
 369     gint64      v_int64;
 370     guint64     v_uint64;
 371     gfloat      v_float;
 372     gdouble     v_double;
 373     gpointer    v_pointer;
 374   } data[2];
 375 } GValue;
 376 
 377 typedef struct
 378 {
 379   GTypeInstance  g_type_instance;
 380 
 381   gchar         *name;
 382   GParamFlags    flags;
 383   GType          value_type;
 384   GType          owner_type;
 385 } GParamSpec;
 386 
 387 typedef struct {
 388   GTypeInstance g_type_instance;
 389   guint         ref_count;
 390   void         *qdata;
 391 } GObject;
 392 
 393 typedef struct {
 394   GObject parent_instance;
 395   guint32 flags;
 396 } GtkObject;
 397 
 398 typedef struct
 399 {
 400   GObject parent_instance;
 401 
 402   GdkColor fg[5];
 403   GdkColor bg[5];
 404   GdkColor light[5];
 405   GdkColor dark[5];
 406   GdkColor mid[5];
 407   GdkColor text[5];
 408   GdkColor base[5];
 409   GdkColor text_aa[5];          /* Halfway between text/base */
 410 
 411   GdkColor black;
 412   GdkColor white;
 413   PangoFontDescription *font_desc;
 414 
 415   gint xthickness;
 416   gint ythickness;
 417 
 418   GdkGC *fg_gc[5];
 419   GdkGC *bg_gc[5];
 420   GdkGC *light_gc[5];
 421   GdkGC *dark_gc[5];
 422   GdkGC *mid_gc[5];
 423   GdkGC *text_gc[5];
 424   GdkGC *base_gc[5];
 425   GdkGC *text_aa_gc[5];
 426   GdkGC *black_gc;
 427   GdkGC *white_gc;
 428 
 429   GdkPixmap *bg_pixmap[5];
 430 } GtkStyle;
 431 
 432 typedef struct _GtkWidget GtkWidget;
 433 struct _GtkWidget
 434 {
 435   GtkObject object;
 436   guint16 private_flags;
 437   guint8 state;
 438   guint8 saved_state;
 439   gchar *name;
 440   GtkStyle *style;
 441   GtkRequisition requisition;
 442   GtkAllocation allocation;
 443   GdkWindow *window;
 444   GtkWidget *parent;
 445 };
 446 
 447 typedef struct
 448 {
 449   GtkWidget widget;
 450 
 451   gfloat xalign;
 452   gfloat yalign;
 453 
 454   guint16 xpad;
 455   guint16 ypad;
 456 } GtkMisc;
 457 
 458 typedef struct {
 459   GtkWidget widget;
 460   GtkWidget *focus_child;
 461   guint border_width : 16;
 462   guint need_resize : 1;
 463   guint resize_mode : 2;
 464   guint reallocate_redraws : 1;
 465   guint has_focus_chain : 1;
 466 } GtkContainer;
 467 
 468 typedef struct {
 469   GtkContainer container;
 470   GtkWidget *child;
 471 } GtkBin;
 472 
 473 typedef struct {
 474   GtkBin bin;
 475   GdkWindow *event_window;
 476   gchar *label_text;
 477   guint activate_timeout;
 478   guint constructed : 1;
 479   guint in_button : 1;
 480   guint button_down : 1;
 481   guint relief : 2;
 482   guint use_underline : 1;
 483   guint use_stock : 1;
 484   guint depressed : 1;
 485   guint depress_on_activate : 1;
 486   guint focus_on_click : 1;
 487 } GtkButton;
 488 
 489 typedef struct {
 490   GtkButton button;
 491   guint active : 1;
 492   guint draw_indicator : 1;
 493   guint inconsistent : 1;
 494 } GtkToggleButton;
 495 
 496 typedef struct _GtkAdjustment GtkAdjustment;
 497 struct _GtkAdjustment
 498 {
 499   GtkObject parent_instance;
 500 
 501   gdouble lower;
 502   gdouble upper;
 503   gdouble value;
 504   gdouble step_increment;
 505   gdouble page_increment;
 506   gdouble page_size;
 507 };
 508 
 509 typedef enum
 510 {
 511   GTK_UPDATE_CONTINUOUS,
 512   GTK_UPDATE_DISCONTINUOUS,
 513   GTK_UPDATE_DELAYED
 514 } GtkUpdateType;
 515 
 516 typedef struct _GtkRange GtkRange;
 517 struct _GtkRange
 518 {
 519   GtkWidget widget;
 520   GtkAdjustment *adjustment;
 521   GtkUpdateType update_policy;
 522   guint inverted : 1;
 523   /*< protected >*/
 524   guint flippable : 1;
 525   guint has_stepper_a : 1;
 526   guint has_stepper_b : 1;
 527   guint has_stepper_c : 1;
 528   guint has_stepper_d : 1;
 529   guint need_recalc : 1;
 530   guint slider_size_fixed : 1;
 531   gint min_slider_size;
 532   GtkOrientation orientation;
 533   GdkRectangle range_rect;
 534   gint slider_start, slider_end;
 535   gint round_digits;
 536   /*< private >*/
 537   guint trough_click_forward : 1;
 538   guint update_pending : 1;
 539   /*GtkRangeLayout * */ void *layout;
 540   /*GtkRangeStepTimer * */ void* timer;
 541   gint slide_initial_slider_position;
 542   gint slide_initial_coordinate;
 543   guint update_timeout_id;
 544   GdkWindow *event_window;
 545 };
 546 
 547 typedef struct _GtkProgressBar       GtkProgressBar;
 548 
 549 typedef enum
 550 {
 551   GTK_PROGRESS_CONTINUOUS,
 552   GTK_PROGRESS_DISCRETE
 553 } GtkProgressBarStyle;
 554 
 555 typedef enum
 556 {
 557   GTK_PROGRESS_LEFT_TO_RIGHT,
 558   GTK_PROGRESS_RIGHT_TO_LEFT,
 559   GTK_PROGRESS_BOTTOM_TO_TOP,
 560   GTK_PROGRESS_TOP_TO_BOTTOM
 561 } GtkProgressBarOrientation;
 562 
 563 typedef struct _GtkProgress       GtkProgress;
 564 
 565 struct _GtkProgress
 566 {
 567   GtkWidget widget;
 568   GtkAdjustment *adjustment;
 569   GdkPixmap     *offscreen_pixmap;
 570   gchar         *format;
 571   gfloat         x_align;
 572   gfloat         y_align;
 573   guint          show_text : 1;
 574   guint          activity_mode : 1;
 575   guint          use_text_format : 1;
 576 };
 577 
 578 struct _GtkProgressBar
 579 {
 580   GtkProgress progress;
 581   GtkProgressBarStyle bar_style;
 582   GtkProgressBarOrientation orientation;
 583   guint blocks;
 584   gint  in_block;
 585   gint  activity_pos;
 586   guint activity_step;
 587   guint activity_blocks;
 588   gdouble pulse_fraction;
 589   guint activity_dir : 1;
 590   guint ellipsize : 3;
 591 };
 592 
 593 typedef enum {
 594   GTK_RESPONSE_NONE = -1,
 595   GTK_RESPONSE_REJECT = -2,
 596   GTK_RESPONSE_ACCEPT = -3,
 597   GTK_RESPONSE_DELETE_EVENT = -4,
 598   GTK_RESPONSE_OK = -5,
 599   GTK_RESPONSE_CANCEL = -6,
 600   GTK_RESPONSE_CLOSE = -7,
 601   GTK_RESPONSE_YES = -8,
 602   GTK_RESPONSE_NO = -9,
 603   GTK_RESPONSE_APPLY = -10,
 604   GTK_RESPONSE_HELP = -11
 605 } GtkResponseType;
 606 
 607 typedef struct _GtkWindow GtkWindow;
 608 
 609 typedef struct _GtkFileChooser GtkFileChooser;
 610 
 611 typedef enum {
 612   GTK_FILE_CHOOSER_ACTION_OPEN,
 613   GTK_FILE_CHOOSER_ACTION_SAVE,
 614   GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
 615   GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER
 616 } GtkFileChooserAction;
 617 
 618 typedef struct _GtkFileFilter GtkFileFilter;
 619 
 620 typedef enum {
 621   GTK_FILE_FILTER_FILENAME = 1 << 0,
 622   GTK_FILE_FILTER_URI = 1 << 1,
 623   GTK_FILE_FILTER_DISPLAY_NAME = 1 << 2,
 624   GTK_FILE_FILTER_MIME_TYPE = 1 << 3
 625 } GtkFileFilterFlags;
 626 
 627 typedef struct {
 628   GtkFileFilterFlags contains;
 629   const gchar *filename;
 630   const gchar *uri;
 631   const gchar *display_name;
 632   const gchar *mime_type;
 633 } GtkFileFilterInfo;
 634 
 635 typedef gboolean (*GtkFileFilterFunc)(const GtkFileFilterInfo *filter_info,
 636     gpointer data);
 637 
 638 typedef void (*GDestroyNotify)(gpointer data);
 639 
 640 typedef void (*GCallback)(void);
 641 
 642 typedef struct _GClosure GClosure;
 643 
 644 typedef void (*GClosureNotify)(gpointer data, GClosure *closure);
 645 
 646 typedef enum {
 647   G_CONNECT_AFTER = 1 << 0, G_CONNECT_SWAPPED = 1 << 1
 648 } GConnectFlags;
 649 
 650 typedef struct _GThreadFunctions GThreadFunctions;
 651 
 652 /*
 653  * Converts java.lang.String object to UTF-8 character string.
 654  */
 655 const char *getStrFor(JNIEnv *env, jstring value);
 656 
 657 /**
 658  * Returns :
 659  * NULL if the GLib library is compatible with the given version, or a string
 660  * describing the version mismatch.
 661  * Please note that the glib_check_version() is available since 2.6,
 662  * so you should use GLIB_CHECK_VERSION macro instead.
 663  */
 664 gchar* (*fp_glib_check_version)(guint required_major, guint required_minor,
 665                        guint required_micro);
 666 
 667 /**
 668  * Returns :
 669  *  TRUE if the GLib library is compatible with the given version
 670  */
 671 #define GLIB_CHECK_VERSION(major, minor, micro) \
 672     (fp_glib_check_version && fp_glib_check_version(major, minor, micro) == NULL)
 673 
 674 /*
 675  * Check whether the gtk2 library is available and meets the minimum
 676  * version requirement.  If the library is already loaded this method has no
 677  * effect and returns success.
 678  * Returns FALSE on failure and TRUE on success.
 679  */
 680 gboolean gtk2_check_version();
 681 
 682 /**
 683  * Returns :
 684  * NULL if the GTK+ library is compatible with the given version, or a string
 685  * describing the version mismatch.
 686  */
 687 gchar* (*fp_gtk_check_version)(guint required_major, guint required_minor,
 688                        guint required_micro);
 689 /*
 690  * Load the gtk2 library.  If the library is already loaded this method has no
 691  * effect and returns success.
 692  * Returns FALSE on failure and TRUE on success.
 693  */
 694 gboolean gtk2_load(JNIEnv *env);
 695 
 696 /*
 697  * Loads fp_gtk_show_uri function pointer. This initialization is
 698  * separated because the function is required only
 699  * for java.awt.Desktop API. The function relies on initialization in
 700  * gtk2_load, so it must be invoked only after a successful gtk2_load
 701  * invocation
 702  */
 703 gboolean gtk2_show_uri_load(JNIEnv *env);
 704 
 705 /*
 706  * Unload the gtk2 library.  If the library is already unloaded this method has
 707  * no effect and returns success.
 708  * Returns FALSE on failure and TRUE on success.
 709  */
 710 gboolean gtk2_unload();
 711 
 712 void gtk2_paint_arrow(WidgetType widget_type, GtkStateType state_type,
 713         GtkShadowType shadow_type, const gchar *detail,
 714         gint x, gint y, gint width, gint height,
 715         GtkArrowType arrow_type, gboolean fill);
 716 void gtk2_paint_box(WidgetType widget_type, GtkStateType state_type,
 717         GtkShadowType shadow_type, const gchar *detail,
 718         gint x, gint y, gint width, gint height,
 719         gint synth_state, GtkTextDirection dir);
 720 void gtk2_paint_box_gap(WidgetType widget_type, GtkStateType state_type,
 721         GtkShadowType shadow_type, const gchar *detail,
 722         gint x, gint y, gint width, gint height,
 723         GtkPositionType gap_side, gint gap_x, gint gap_width);
 724 void gtk2_paint_check(WidgetType widget_type, gint synth_state,
 725         const gchar *detail, gint x, gint y, gint width, gint height);
 726 void gtk2_paint_diamond(WidgetType widget_type, GtkStateType state_type,
 727         GtkShadowType shadow_type, const gchar *detail,
 728         gint x, gint y, gint width, gint height);
 729 void gtk2_paint_expander(WidgetType widget_type, GtkStateType state_type,
 730         const gchar *detail, gint x, gint y, gint width, gint height,
 731         GtkExpanderStyle expander_style);
 732 void gtk2_paint_extension(WidgetType widget_type, GtkStateType state_type,
 733         GtkShadowType shadow_type, const gchar *detail,
 734         gint x, gint y, gint width, gint height, GtkPositionType gap_side);
 735 void gtk2_paint_flat_box(WidgetType widget_type, GtkStateType state_type,
 736         GtkShadowType shadow_type, const gchar *detail,
 737         gint x, gint y, gint width, gint height, gboolean has_focus);
 738 void gtk2_paint_focus(WidgetType widget_type, GtkStateType state_type,
 739         const char *detail, gint x, gint y, gint width, gint height);
 740 void gtk2_paint_handle(WidgetType widget_type, GtkStateType state_type,
 741         GtkShadowType shadow_type, const gchar *detail,
 742         gint x, gint y, gint width, gint height, GtkOrientation orientation);
 743 void gtk2_paint_hline(WidgetType widget_type, GtkStateType state_type,
 744         const gchar *detail, gint x, gint y, gint width, gint height);
 745 void gtk2_paint_option(WidgetType widget_type, gint synth_state,
 746         const gchar *detail, gint x, gint y, gint width, gint height);
 747 void gtk2_paint_shadow(WidgetType widget_type, GtkStateType state_type,
 748         GtkShadowType shadow_type, const gchar *detail,
 749         gint x, gint y, gint width, gint height,
 750         gint synth_state, GtkTextDirection dir);
 751 void gtk2_paint_slider(WidgetType widget_type, GtkStateType state_type,
 752         GtkShadowType shadow_type, const gchar *detail,
 753         gint x, gint y, gint width, gint height, GtkOrientation orientation);
 754 void gtk2_paint_vline(WidgetType widget_type, GtkStateType state_type,
 755         const gchar *detail, gint x, gint y, gint width, gint height);
 756 void gtk_paint_background(WidgetType widget_type, GtkStateType state_type,
 757         gint x, gint y, gint width, gint height);
 758 
 759 void gtk2_init_painting(JNIEnv *env, gint w, gint h);
 760 gint gtk2_copy_image(gint *dest, gint width, gint height);
 761 
 762 gint gtk2_get_xthickness(JNIEnv *env, WidgetType widget_type);
 763 gint gtk2_get_ythickness(JNIEnv *env, WidgetType widget_type);
 764 gint gtk2_get_color_for_state(JNIEnv *env, WidgetType widget_type,
 765                               GtkStateType state_type, ColorType color_type);
 766 jobject gtk2_get_class_value(JNIEnv *env, WidgetType widget_type, jstring key);
 767 
 768 GdkPixbuf *gtk2_get_stock_icon(gint widget_type, const gchar *stock_id,
 769         GtkIconSize size, GtkTextDirection direction, const char *detail);
 770 GdkPixbuf *gtk2_get_icon(const gchar *filename, gint size);
 771 jstring gtk2_get_pango_font_name(JNIEnv *env, WidgetType widget_type);
 772 
 773 void flush_gtk_event_loop();
 774 
 775 jobject gtk2_get_setting(JNIEnv *env, Setting property);
 776 
 777 void gtk2_set_range_value(WidgetType widget_type, jdouble value,
 778                           jdouble min, jdouble max, jdouble visible);
 779 
 780 void (*fp_g_free)(gpointer mem);
 781 void (*fp_g_object_unref)(gpointer object);
 782 GdkWindow *(*fp_gdk_get_default_root_window) (void);
 783 
 784 int (*fp_gdk_pixbuf_get_bits_per_sample)(const GdkPixbuf *pixbuf);
 785 guchar *(*fp_gdk_pixbuf_get_pixels)(const GdkPixbuf *pixbuf);
 786 gboolean (*fp_gdk_pixbuf_get_has_alpha)(const GdkPixbuf *pixbuf);
 787 int (*fp_gdk_pixbuf_get_height)(const GdkPixbuf *pixbuf);
 788 int (*fp_gdk_pixbuf_get_n_channels)(const GdkPixbuf *pixbuf);
 789 int (*fp_gdk_pixbuf_get_rowstride)(const GdkPixbuf *pixbuf);
 790 int (*fp_gdk_pixbuf_get_width)(const GdkPixbuf *pixbuf);
 791 GdkPixbuf *(*fp_gdk_pixbuf_new_from_file)(const char *filename, GError **error);
 792 GdkColorspace (*fp_gdk_pixbuf_get_colorspace)(const GdkPixbuf *pixbuf);
 793 
 794 GdkPixbuf *(*fp_gdk_pixbuf_get_from_drawable)(GdkPixbuf *dest,
 795         GdkDrawable *src, GdkColormap *cmap, int src_x, int src_y,
 796         int dest_x, int dest_y, int width, int height);
 797 GdkPixbuf *(*fp_gdk_pixbuf_scale_simple)(GdkPixbuf *src,
 798         int dest_width, int dest_heigh, GdkInterpType interp_type);
 799 
 800 
 801 void (*fp_gtk_widget_destroy)(GtkWidget *widget);
 802 void (*fp_gtk_window_present)(GtkWindow *window);
 803 void (*fp_gtk_window_move)(GtkWindow *window, gint x, gint y);
 804 void (*fp_gtk_window_resize)(GtkWindow *window, gint width, gint height);
 805 
 806 /**
 807  * Function Pointers for GtkFileChooser
 808  */
 809 gchar* (*fp_gtk_file_chooser_get_filename)(GtkFileChooser *chooser);
 810 void (*fp_gtk_widget_hide)(GtkWidget *widget);
 811 void (*fp_gtk_main_quit)(void);
 812 GtkWidget* (*fp_gtk_file_chooser_dialog_new)(const gchar *title,
 813     GtkWindow *parent, GtkFileChooserAction action,
 814     const gchar *first_button_text, ...);
 815 gboolean (*fp_gtk_file_chooser_set_current_folder)(GtkFileChooser *chooser,
 816     const gchar *filename);
 817 gboolean (*fp_gtk_file_chooser_set_filename)(GtkFileChooser *chooser,
 818     const char *filename);
 819 void (*fp_gtk_file_chooser_set_current_name)(GtkFileChooser *chooser,
 820     const gchar *name);
 821 void (*fp_gtk_file_filter_add_custom)(GtkFileFilter *filter,
 822     GtkFileFilterFlags needed, GtkFileFilterFunc func, gpointer data,
 823     GDestroyNotify notify);
 824 void (*fp_gtk_file_chooser_set_filter)(GtkFileChooser *chooser,
 825     GtkFileFilter *filter);
 826 GType (*fp_gtk_file_chooser_get_type)(void);
 827 GtkFileFilter* (*fp_gtk_file_filter_new)(void);
 828 void (*fp_gtk_file_chooser_set_do_overwrite_confirmation)(
 829     GtkFileChooser *chooser, gboolean do_overwrite_confirmation);
 830 void (*fp_gtk_file_chooser_set_select_multiple)(
 831     GtkFileChooser *chooser, gboolean select_multiple);
 832 gchar* (*fp_gtk_file_chooser_get_current_folder)(GtkFileChooser *chooser);
 833 GSList* (*fp_gtk_file_chooser_get_filenames)(GtkFileChooser *chooser);
 834 guint (*fp_gtk_g_slist_length)(GSList *list);
 835 gulong (*fp_g_signal_connect_data)(gpointer instance,
 836     const gchar *detailed_signal, GCallback c_handler, gpointer data,
 837     GClosureNotify destroy_data, GConnectFlags connect_flags);
 838 void (*fp_gtk_widget_show)(GtkWidget *widget);
 839 void (*fp_gtk_main)(void);
 840 guint (*fp_gtk_main_level)(void);
 841 gchar* (*fp_g_path_get_dirname) (const gchar *file_name);
 842 XID (*fp_gdk_x11_drawable_get_xid) (GdkWindow *drawable);
 843 
 844 /**
 845  * This function is available for GLIB > 2.20, so it MUST be
 846  * called within GLIB_CHECK_VERSION(2, 20, 0) check.
 847  */
 848 gboolean (*fp_g_thread_get_initialized)(void);
 849 
 850 void (*fp_g_thread_init)(GThreadFunctions *vtable);
 851 void (*fp_gdk_threads_init)(void);
 852 void (*fp_gdk_threads_enter)(void);
 853 void (*fp_gdk_threads_leave)(void);
 854 
 855 gboolean (*fp_gtk_show_uri)(GdkScreen *screen, const gchar *uri,
 856     guint32 timestamp, GError **error);
 857 
 858 #endif /* !_GTK2_INTERFACE_H */
--- EOF ---