1 /*
2 * Copyright (c) 2005, 2020, 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
26 #ifdef HEADLESS
27 #error This file should not be included in headless library
28 #endif
29
30 #ifndef _GTK3_INTERFACE_H
31 #define _GTK3_INTERFACE_H
32
33 #include <stdlib.h>
34 #include <jni.h>
35 #include <X11/X.h>
36 #include "gtk_interface.h"
37
38 #define LIGHTNESS_MULT 1.3
39 #define DARKNESS_MULT 0.7
40
41 #define G_PI 3.1415926535897932384626433832795028841971693993751
42
43 typedef enum
44 {
45 GTK_STATE_FLAG_NORMAL = 0,
46 GTK_STATE_FLAG_ACTIVE = 1 << 0,
47 GTK_STATE_FLAG_PRELIGHT = 1 << 1,
48 GTK_STATE_FLAG_SELECTED = 1 << 2,
49 GTK_STATE_FLAG_INSENSITIVE = 1 << 3,
50 GTK_STATE_FLAG_INCONSISTENT = 1 << 4,
51 GTK_STATE_FLAG_FOCUSED = 1 << 5,
52 GTK_STATE_FLAG_BACKDROP = 1 << 6,
53 GTK_STATE_FLAG_DIR_LTR = 1 << 7,
54 GTK_STATE_FLAG_DIR_RTL = 1 << 8,
55 GTK_STATE_FLAG_LINK = 1 << 9,
56 GTK_STATE_FLAG_VISITED = 1 << 10,
57 GTK_STATE_FLAG_CHECKED = 1 << 11
58 } GtkStateFlags;
59
60 typedef enum {
61 GTK_JUNCTION_NONE = 0,
62 GTK_JUNCTION_CORNER_TOPLEFT = 1 << 0,
63 GTK_JUNCTION_CORNER_TOPRIGHT = 1 << 1,
64 GTK_JUNCTION_CORNER_BOTTOMLEFT = 1 << 2,
65 GTK_JUNCTION_CORNER_BOTTOMRIGHT = 1 << 3,
66 GTK_JUNCTION_TOP =
67 (GTK_JUNCTION_CORNER_TOPLEFT | GTK_JUNCTION_CORNER_TOPRIGHT),
68 GTK_JUNCTION_BOTTOM =
69 (GTK_JUNCTION_CORNER_BOTTOMLEFT | GTK_JUNCTION_CORNER_BOTTOMRIGHT),
70 GTK_JUNCTION_LEFT =
71 (GTK_JUNCTION_CORNER_TOPLEFT | GTK_JUNCTION_CORNER_BOTTOMLEFT),
72 GTK_JUNCTION_RIGHT =
73 (GTK_JUNCTION_CORNER_TOPRIGHT | GTK_JUNCTION_CORNER_BOTTOMRIGHT)
74 } GtkJunctionSides;
75
76 typedef enum {
77 GTK_REGION_EVEN = 1 << 0,
78 GTK_REGION_ODD = 1 << 1,
79 GTK_REGION_FIRST = 1 << 2,
80 GTK_REGION_LAST = 1 << 3,
81 GTK_REGION_ONLY = 1 << 4,
82 GTK_REGION_SORTED = 1 << 5
83 } GtkRegionFlags;
84
85 typedef enum
86 {
87 GTK_WINDOW_TOPLEVEL,
88 GTK_WINDOW_POPUP
89 } GtkWindowType;
90
91 typedef enum
92 {
93 G_PARAM_READABLE = 1 << 0,
94 G_PARAM_WRITABLE = 1 << 1,
95 G_PARAM_CONSTRUCT = 1 << 2,
96 G_PARAM_CONSTRUCT_ONLY = 1 << 3,
97 G_PARAM_LAX_VALIDATION = 1 << 4,
98 G_PARAM_STATIC_NAME = 1 << 5
99 } GParamFlags;
100
101 typedef enum
102 {
103 GTK_ICON_LOOKUP_NO_SVG = 1 << 0,
104 GTK_ICON_LOOKUP_FORCE_SVG = 1 << 1,
105 GTK_ICON_LOOKUP_USE_BUILTIN = 1 << 2,
106 GTK_ICON_LOOKUP_GENERIC_FALLBACK = 1 << 3,
107 GTK_ICON_LOOKUP_FORCE_SIZE = 1 << 4
108 } GtkIconLookupFlags;
109
110 typedef enum
111 {
112 GTK_UPDATE_CONTINUOUS,
113 GTK_UPDATE_DISCONTINUOUS,
114 GTK_UPDATE_DELAYED
115 } GtkUpdateType;
116
117 typedef enum
118 {
119 GTK_PROGRESS_CONTINUOUS,
120 GTK_PROGRESS_DISCRETE
121 } GtkProgressBarStyle;
122
123 typedef enum
124 {
125 GTK_PROGRESS_LEFT_TO_RIGHT,
126 GTK_PROGRESS_RIGHT_TO_LEFT,
127 GTK_PROGRESS_BOTTOM_TO_TOP,
128 GTK_PROGRESS_TOP_TO_BOTTOM
129 } GtkProgressBarOrientation;
130
131 typedef enum {
132 CAIRO_FORMAT_INVALID = -1,
133 CAIRO_FORMAT_ARGB32 = 0,
134 CAIRO_FORMAT_RGB24 = 1,
135 CAIRO_FORMAT_A8 = 2,
136 CAIRO_FORMAT_A1 = 3,
137 CAIRO_FORMAT_RGB16_565 = 4
138 } cairo_format_t;
139
140 /* We define all structure pointers to be void* */
141 typedef void GdkPixbuf;
142 typedef void GMainContext;
143 typedef void GVfs;
144
145 typedef void GdkColormap;
146 typedef void GdkDrawable;
147 typedef void GdkGC;
148 typedef void GdkPixmap;
149 typedef void GtkStyleContext;
150 typedef void GtkFixed;
151 typedef void GtkMenuItem;
152 typedef void GtkMenuShell;
153 typedef void GtkWidgetClass;
154 typedef void PangoFontDescription;
155 typedef void GtkSettings;
156 typedef void GtkStyleProvider;
157 typedef void cairo_pattern_t;
158 typedef void cairo_t;
159 typedef void cairo_surface_t;
160 typedef void GtkScrolledWindow;
161 typedef void GtkIconTheme;
162 typedef void GtkWidget;
163 typedef void GtkMisc;
164 typedef void GtkContainer;
165 typedef void GtkBin;
166 typedef void GtkAdjustment;
167 typedef void GtkRange;
168 typedef void GtkProgressBar;
169 typedef void GtkProgress;
170 typedef void GtkWidgetPath;
171 typedef void GtkPaned;
172
173 /* Some real structures */
174 typedef struct
175 {
176 guint32 pixel;
177 guint16 red;
178 guint16 green;
179 guint16 blue;
180 } GdkColor;
181
182 typedef struct
183 {
184 gdouble red;
185 gdouble green;
186 gdouble blue;
187 gdouble alpha;
188 } GdkRGBA;
189
190 typedef struct {
191 gint fd;
192 gushort events;
193 gushort revents;
194 } GPollFD;
195
196 typedef struct {
197 gint x;
198 gint y;
199 gint width;
200 gint height;
201 } GdkRectangle;
202
203 typedef struct {
204 int x, y;
205 int width, height;
206 } GtkAllocation;
207
208 typedef struct {
209 gint width;
210 gint height;
211 } GtkRequisition;
212
213 typedef struct {
214 GtkWidgetClass *g_class;
215 } GTypeInstance;
216
217 typedef struct {
218 gint16 left;
219 gint16 right;
220 gint16 top;
221 gint16 bottom;
222 } GtkBorder;
223
224 typedef struct
225 {
226 GType g_type;
227 union {
228 gint v_int;
229 guint v_uint;
230 glong v_long;
231 gulong v_ulong;
232 gint64 v_int64;
233 guint64 v_uint64;
234 gfloat v_float;
235 gdouble v_double;
236 gpointer v_pointer;
237 } data[2];
238 } GValue;
239
240 typedef struct {
241 GTypeInstance g_type_instance;
242 const gchar *name;
243 GParamFlags flags;
244 GType value_type;
245 GType owner_type;
246 } GParamSpec;
247
248 static gchar* (*fp_glib_check_version)(guint required_major,
249 guint required_minor, guint required_micro);
250
251 /**
252 * Returns :
253 * NULL if the GTK+ library is compatible with the given version, or a string
254 * describing the version mismatch.
255 */
256 static gchar* (*fp_gtk_check_version)(guint required_major, guint
257 required_minor, guint required_micro);
258
259 static void (*fp_g_free)(gpointer mem);
260 static void (*fp_g_object_unref)(gpointer object);
261 static GdkWindow *(*fp_gdk_get_default_root_window) (void);
262 static int (*fp_gdk_window_get_scale_factor) (GdkWindow *window);
263
264 static int (*fp_gdk_pixbuf_get_bits_per_sample)(const GdkPixbuf *pixbuf);
265 static guchar *(*fp_gdk_pixbuf_get_pixels)(const GdkPixbuf *pixbuf);
266 static gboolean (*fp_gdk_pixbuf_get_has_alpha)(const GdkPixbuf *pixbuf);
267 static int (*fp_gdk_pixbuf_get_height)(const GdkPixbuf *pixbuf);
268 static int (*fp_gdk_pixbuf_get_n_channels)(const GdkPixbuf *pixbuf);
269 static int (*fp_gdk_pixbuf_get_rowstride)(const GdkPixbuf *pixbuf);
270 static int (*fp_gdk_pixbuf_get_width)(const GdkPixbuf *pixbuf);
271 static GdkPixbuf *(*fp_gdk_pixbuf_new_from_file)(const char *filename,
272 GError **error);
273 static GdkColorspace (*fp_gdk_pixbuf_get_colorspace)(const GdkPixbuf *pixbuf);
274
275 static GdkPixbuf *(*fp_gdk_pixbuf_get_from_drawable)(GdkWindow *window,
276 int src_x, int src_y, int width, int height);
277 static GdkPixbuf *(*fp_gdk_pixbuf_scale_simple)(GdkPixbuf *src,
278 int dest_width, int dest_heigh, GdkInterpType interp_type);
279
280
281 static void (*fp_gtk_widget_destroy)(void *widget);
282 static void (*fp_gtk_window_present)(GtkWindow *window);
283 static void (*fp_gtk_window_move)(GtkWindow *window, gint x, gint y);
284 static void (*fp_gtk_window_resize)(GtkWindow *window, gint width, gint height);
285
286 /**
287 * Function Pointers for GtkFileChooser
288 */
289 static gchar* (*fp_gtk_file_chooser_get_filename)(GtkFileChooser *chooser);
290 static void (*fp_gtk_widget_hide)(void *widget);
291 static void (*fp_gtk_main_quit)(void);
292 static void* (*fp_gtk_file_chooser_dialog_new)(const gchar *title,
293 GtkWindow *parent, GtkFileChooserAction action,
294 const gchar *first_button_text, ...);
295 static gboolean (*fp_gtk_file_chooser_set_current_folder)
296 (GtkFileChooser *chooser, const gchar *filename);
297 static gboolean (*fp_gtk_file_chooser_set_filename)(GtkFileChooser *chooser,
298 const char *filename);
299 static void (*fp_gtk_file_chooser_set_current_name)(GtkFileChooser *chooser,
300 const gchar *name);
301 static void (*fp_gtk_file_filter_add_custom)(GtkFileFilter *filter,
302 GtkFileFilterFlags needed, GtkFileFilterFunc func, gpointer data,
303 GDestroyNotify notify);
304 static void (*fp_gtk_file_chooser_set_filter)(GtkFileChooser *chooser,
305 GtkFileFilter *filter);
306 static GType (*fp_gtk_file_chooser_get_type)(void);
307 static GtkFileFilter* (*fp_gtk_file_filter_new)(void);
308 static void (*fp_gtk_file_chooser_set_do_overwrite_confirmation)(
309 GtkFileChooser *chooser, gboolean do_overwrite_confirmation);
310 static void (*fp_gtk_file_chooser_set_select_multiple)(
311 GtkFileChooser *chooser, gboolean select_multiple);
312 static gchar* (*fp_gtk_file_chooser_get_current_folder)
313 (GtkFileChooser *chooser);
314 static GSList* (*fp_gtk_file_chooser_get_filenames)(GtkFileChooser *chooser);
315 static guint (*fp_gtk_g_slist_length)(GSList *list);
316 static gulong (*fp_g_signal_connect_data)(gpointer instance,
317 const gchar *detailed_signal, GCallback c_handler, gpointer data,
318 GClosureNotify destroy_data, GConnectFlags connect_flags);
319 static void (*fp_gtk_widget_show)(void *widget);
320 static void (*fp_gtk_main)(void);
321 static guint (*fp_gtk_main_level)(void);
322 static gchar* (*fp_g_path_get_dirname) (const gchar *file_name);
323 static XID (*fp_gdk_x11_drawable_get_xid) (GdkWindow *drawable);
324
325 static GList* (*fp_g_list_append) (GList *list, gpointer data);
326 static void (*fp_g_list_free) (GList *list);
327 static void (*fp_g_list_free_full) (GList *list, GDestroyNotify free_func);
328
329 static void (*fp_gdk_threads_enter)(void);
330 static void (*fp_gdk_threads_leave)(void);
331
332 static gboolean (*fp_gtk_show_uri)(GdkScreen *screen, const gchar *uri,
333 guint32 timestamp, GError **error);
334
335 // Implementation functions prototypes
336 static void gtk3_init(GtkApi* gtk);
337 static GValue* (*fp_g_value_init)(GValue *value, GType g_type);
338 static gboolean (*fp_g_type_is_a)(GType type, GType is_a_type);
339 static gboolean (*fp_g_value_get_boolean)(const GValue *value);
340 static gchar (*fp_g_value_get_char)(const GValue *value);
341 static guchar (*fp_g_value_get_uchar)(const GValue *value);
342 static gint (*fp_g_value_get_int)(const GValue *value);
343 static guint (*fp_g_value_get_uint)(const GValue *value);
344 static glong (*fp_g_value_get_long)(const GValue *value);
345 static gulong (*fp_g_value_get_ulong)(const GValue *value);
346 static gint64 (*fp_g_value_get_int64)(const GValue *value);
347 static guint64 (*fp_g_value_get_uint64)(const GValue *value);
348 static gfloat (*fp_g_value_get_float)(const GValue *value);
349 static gdouble (*fp_g_value_get_double)(const GValue *value);
350 static const gchar* (*fp_g_value_get_string)(const GValue *value);
351 static gint (*fp_g_value_get_enum)(const GValue *value);
352 static guint (*fp_g_value_get_flags)(const GValue *value);
353 static GParamSpec* (*fp_g_value_get_param)(const GValue *value);
354 static gpointer* (*fp_g_value_get_boxed)(const GValue *value);
355 static gpointer* (*fp_g_value_get_pointer)(const GValue *value);
356 static void (*fp_g_object_get)(gpointer object,
357 const gchar* fpn, ...);
358 static void (*fp_g_object_set)(gpointer object,
359 const gchar *first_property_name,
360 ...);
361
362 static gboolean (*fp_g_main_context_iteration)(GMainContext *context);
363 static gboolean (*fp_g_str_has_prefix)(const gchar *str, const gchar *prefix);
364 static gchar** (*fp_g_strsplit)(const gchar *string, const gchar *delimiter,
365 gint max_tokens);
366 static void (*fp_g_strfreev)(gchar **str_array);
367
368
369 static cairo_surface_t* (*fp_cairo_image_surface_create)(cairo_format_t format,
370 int width, int height);
371 static void (*fp_cairo_surface_destroy)(cairo_surface_t *surface);
372 static cairo_t* (*fp_cairo_create)(cairo_surface_t *target);
373 static void (*fp_cairo_destroy)(cairo_t *cr);
374 static void (*fp_cairo_fill)(cairo_t *cr);
375 static void (*fp_cairo_surface_flush)(cairo_surface_t *surface);
376 static void (*fp_cairo_rectangle)(cairo_t *cr, double x, double y, double width,
377 double height);
378 static void (*fp_cairo_set_source_rgb)(cairo_t *cr, double red, double green,
379 double blue);
380 static void (*fp_cairo_set_source_rgba)(cairo_t *cr, double red, double green,
381 double blue, double alpha);
382 static void (*fp_cairo_paint)(cairo_t *cr);
383 static void (*fp_cairo_clip)(cairo_t *cr);
384 static unsigned char* (*fp_cairo_image_surface_get_data)(
385 cairo_surface_t *surface);
386 static int (*fp_cairo_image_surface_get_stride) (cairo_surface_t *surface);
387 static GdkPixbuf* (*fp_gdk_pixbuf_get_from_surface)(cairo_surface_t *surface,
388 gint src_x, gint src_y, gint width, gint height);
389 static GtkStateType (*fp_gtk_widget_get_state)(GtkWidget *widget);
390 static void (*fp_gtk_widget_set_state)(GtkWidget *widget, GtkStateType state);
391 static gboolean (*fp_gtk_widget_is_focus)(GtkWidget *widget);
392 static void (*fp_gtk_widget_set_allocation)(GtkWidget *widget,
393 const GtkAllocation *allocation);
394 static GtkWidget* (*fp_gtk_widget_get_parent)(GtkWidget *widget);
395 static GtkStyleContext* (*fp_gtk_widget_get_style_context)(GtkWidget *widget);
396 static void (*fp_gtk_style_context_get_color)(GtkStyleContext *context,
397 GtkStateFlags state, GdkRGBA *color);
398 static void (*fp_gtk_style_context_get_background_color)
399 (GtkStyleContext *context, GtkStateFlags state, GdkRGBA *color);
400 static void (*fp_gtk_style_context_get)(GtkStyleContext *context,
401 GtkStateFlags state, ...);
402 static GtkStateFlags (*fp_gtk_widget_get_state_flags)(GtkWidget* widget);
403 static void (*fp_gtk_style_context_set_state)(GtkStyleContext* style,
404 GtkStateFlags flags);
405 static void (*fp_gtk_style_context_add_class)(GtkStyleContext *context,
406 const gchar *class_name);
407 static void (*fp_gtk_style_context_save)(GtkStyleContext *context);
408 static void (*fp_gtk_style_context_restore)(GtkStyleContext *context);
409 static void (*fp_gtk_render_check)(GtkStyleContext *context, cairo_t *cr,
410 gdouble x, gdouble y, gdouble width, gdouble height);
411 static void (*fp_gtk_render_option)(GtkStyleContext *context, cairo_t *cr,
412 gdouble x, gdouble y, gdouble width, gdouble height);
413 static void (*fp_gtk_render_extension)(GtkStyleContext *context, cairo_t *cr,
414 gdouble x, gdouble y, gdouble width, gdouble height,
415 GtkPositionType gap_side);
416 static void (*fp_gtk_render_expander)(GtkStyleContext *context, cairo_t *cr,
417 gdouble x, gdouble y, gdouble width, gdouble height);
418 static void (*fp_gtk_render_frame_gap)(GtkStyleContext *context, cairo_t *cr,
419 gdouble x, gdouble y, gdouble width, gdouble height,
420 GtkPositionType gap_side, gdouble xy0_gap,
421 gdouble xy1_gap);
422 static void (*fp_gtk_render_line)(GtkStyleContext *context, cairo_t *cr,
423 gdouble x0, gdouble y0, gdouble x1, gdouble y1);
424 static GdkPixbuf* (*fp_gtk_widget_render_icon_pixbuf)(GtkWidget *widget,
425 const gchar *stock_id, GtkIconSize size);
426 static cairo_surface_t* (*fp_gdk_window_create_similar_image_surface)(
427 GdkWindow *window, cairo_format_t format, int width,
428 int height, int scale);
429 static cairo_surface_t* (*fp_gdk_window_create_similar_surface)(
430 GdkWindow *window, cairo_format_t format,
431 int width, int height);
432 static GdkWindow* (*fp_gtk_widget_get_window)(GtkWidget *widget);
433 static GtkSettings *(*fp_gtk_settings_get_for_screen)(GdkScreen *screen);
434 static GdkScreen *(*fp_gtk_widget_get_screen)(GtkWidget *widget);
435 static GtkStyleProvider* (*fp_gtk_css_provider_get_named)(const gchar *name,
436 const gchar *variant);
437 static void (*fp_gtk_style_context_add_provider)(GtkStyleContext *context,
438 GtkStyleProvider *provider, guint priority);
439 static void (*fp_gtk_render_frame)(GtkStyleContext *context,cairo_t *cr,
440 gdouble x, gdouble y, gdouble width, gdouble height);
441 static void (*fp_gtk_render_focus)(GtkStyleContext *context,cairo_t *cr,
442 gdouble x, gdouble y, gdouble width, gdouble height);
443 static void (*fp_gtk_render_handle)(GtkStyleContext *context,cairo_t *cr,
444 gdouble x, gdouble y, gdouble width, gdouble height);
445 static void (*fp_gtk_style_context_get_property)(GtkStyleContext *context,
446 const gchar *property, GtkStateFlags state, GValue *value);
447 static void (*fp_gtk_render_activity)(GtkStyleContext *context, cairo_t *cr,
448 gdouble x, gdouble y, gdouble width, gdouble height);
449 static void (*fp_gtk_render_background)(GtkStyleContext *context, cairo_t *cr,
450 gdouble x, gdouble y, gdouble width, gdouble height);
451 static gboolean (*fp_gtk_style_context_has_class)(GtkStyleContext *context,
452 const gchar *class_name);
453 static void transform_detail_string (const gchar *detail,
454 GtkStyleContext *context);
455 void (*fp_gtk_style_context_set_junction_sides)(GtkStyleContext *context,
456 GtkJunctionSides sides);
457 void (*fp_gtk_style_context_add_region)(GtkStyleContext *context,
458 const gchar *region_name, GtkRegionFlags flags);
459 void (*fp_gtk_render_arrow)(GtkStyleContext *context, cairo_t *cr,
460 gdouble angle, gdouble x, gdouble y, gdouble size);
461 void (*fp_gtk_bin_set_child)(GtkBin *bin, GtkWidget *widget);
462 void (*fp_gtk_scrolled_window_set_shadow_type)(
463 GtkScrolledWindow *scrolled_window, GtkShadowType type);
464 static void (*fp_gtk_render_slider)(GtkStyleContext *context, cairo_t *cr,
465 gdouble x, gdouble y, gdouble width, gdouble height,
466 GtkOrientation orientation);
467 static void (*fp_gtk_style_context_get_padding)(GtkStyleContext *self,
468 GtkStateFlags state, GtkBorder* padding);
469 static void (*fp_gtk_range_set_inverted)(GtkRange *range, gboolean setting);
470 static PangoFontDescription* (*fp_gtk_style_context_get_font)(
471 GtkStyleContext *context, GtkStateFlags state);
472 static int (*fp_gtk_widget_get_allocated_width)(GtkWidget *widget);
473 static int (*fp_gtk_widget_get_allocated_height)(GtkWidget *widget);
474 static GtkIconTheme* (*fp_gtk_icon_theme_get_default)(void);
475 static GdkPixbuf* (*fp_gtk_icon_theme_load_icon)(GtkIconTheme *icon_theme,
476 const gchar *icon_name, gint size,
477 GtkIconLookupFlags flags, GError **error);
478 static void (*fp_gtk_adjustment_set_lower)(GtkAdjustment *adjustment,
479 gdouble lower);
480 static void (*fp_gtk_adjustment_set_page_increment)(GtkAdjustment *adjustment,
481 gdouble page_increment);
482 static void (*fp_gtk_adjustment_set_page_size)(GtkAdjustment *adjustment,
483 gdouble page_size);
484 static void (*fp_gtk_adjustment_set_step_increment)(GtkAdjustment *adjustment,
485 gdouble step_increment);
486 static void (*fp_gtk_adjustment_set_upper)(GtkAdjustment *adjustment,
487 gdouble upper);
488 static void (*fp_gtk_adjustment_set_value)(GtkAdjustment *adjustment,
489 gdouble value);
490 static GdkGC *(*fp_gdk_gc_new)(GdkDrawable*);
491 static void (*fp_gdk_rgb_gc_set_foreground)(GdkGC*, guint32);
492 static void (*fp_gdk_draw_rectangle)(GdkDrawable*, GdkGC*, gboolean,
493 gint, gint, gint, gint);
494 static GdkPixbuf *(*fp_gdk_pixbuf_new)(GdkColorspace colorspace,
495 gboolean has_alpha, int bits_per_sample, int width, int height);
496 static void (*fp_gdk_drawable_get_size)(GdkDrawable *drawable,
497 gint* width, gint* height);
498 static gboolean (*fp_gtk_init_check)(int* argc, char** argv);
499
500 /* Widget creation */
501 static GtkWidget* (*fp_gtk_arrow_new)(GtkArrowType arrow_type,
502 GtkShadowType shadow_type);
503 static GtkWidget* (*fp_gtk_button_new)();
504 static GtkWidget* (*fp_gtk_check_button_new)();
505 static GtkWidget* (*fp_gtk_check_menu_item_new)();
506 static GtkWidget* (*fp_gtk_color_selection_dialog_new)(const gchar* title);
507 static GtkWidget* (*fp_gtk_combo_box_new)();
508 static GtkWidget* (*fp_gtk_combo_box_entry_new)();
509 static GtkWidget* (*fp_gtk_entry_new)();
510 static GtkWidget* (*fp_gtk_fixed_new)();
511 static GtkWidget* (*fp_gtk_handle_box_new)();
512 static GtkWidget* (*fp_gtk_paned_new)(GtkOrientation orientation);
513 static GtkWidget* (*fp_gtk_scale_new)(GtkOrientation orientation,
514 GtkAdjustment* adjustment);
515 static GtkWidget* (*fp_gtk_hscrollbar_new)(GtkAdjustment* adjustment);
516 static GtkWidget* (*fp_gtk_vscrollbar_new)(GtkAdjustment* adjustment);
517 static GtkWidget* (*fp_gtk_hseparator_new)();
518 static GtkWidget* (*fp_gtk_vseparator_new)();
519 static GtkWidget* (*fp_gtk_image_new)();
520 static GtkWidget* (*fp_gtk_label_new)(const gchar* str);
521 static GtkWidget* (*fp_gtk_menu_new)();
522 static GtkWidget* (*fp_gtk_menu_bar_new)();
523 static GtkWidget* (*fp_gtk_menu_item_new)();
524 static GtkWidget* (*fp_gtk_notebook_new)();
525 static GtkWidget* (*fp_gtk_progress_bar_new)();
526 static GtkWidget* (*fp_gtk_progress_bar_set_orientation)(
527 GtkProgressBar *pbar,
528 GtkProgressBarOrientation orientation);
529 static GtkWidget* (*fp_gtk_radio_button_new)(GSList *group);
530 static GtkWidget* (*fp_gtk_radio_menu_item_new)(GSList *group);
531 static GtkWidget* (*fp_gtk_scrolled_window_new)(GtkAdjustment *hadjustment,
532 GtkAdjustment *vadjustment);
533 static GtkWidget* (*fp_gtk_separator_menu_item_new)();
534 static GtkWidget* (*fp_gtk_separator_tool_item_new)();
535 static GtkWidget* (*fp_gtk_text_view_new)();
536 static GtkWidget* (*fp_gtk_toggle_button_new)();
537 static GtkWidget* (*fp_gtk_toolbar_new)();
538 static GtkWidget* (*fp_gtk_tree_view_new)();
539 static GtkWidget* (*fp_gtk_viewport_new)(GtkAdjustment *hadjustment,
540 GtkAdjustment *vadjustment);
541 static GtkWidget* (*fp_gtk_window_new)(GtkWindowType type);
542 static GtkWidget* (*fp_gtk_dialog_new)();
543 static GtkWidget* (*fp_gtk_spin_button_new)(GtkAdjustment *adjustment,
544 gdouble climb_rate, guint digits);
545 static GtkWidget* (*fp_gtk_frame_new)(const gchar *label);
546
547 /* Other widget operations */
548 static GtkAdjustment* (*fp_gtk_adjustment_new)(gdouble value,
549 gdouble lower, gdouble upper, gdouble step_increment,
550 gdouble page_increment, gdouble page_size);
551 static void (*fp_gtk_container_add)(GtkContainer *window, GtkWidget *widget);
552 static void (*fp_gtk_menu_shell_append)(GtkMenuShell *menu_shell,
553 GtkWidget *child);
554 static void (*fp_gtk_menu_item_set_submenu)(GtkMenuItem *menu_item,
555 GtkWidget *submenu);
556 static void (*fp_gtk_widget_realize)(GtkWidget *widget);
557 static GdkPixbuf* (*fp_gtk_widget_render_icon)(GtkWidget *widget,
558 const gchar *stock_id, GtkIconSize size, const gchar *detail);
559 static void (*fp_gtk_widget_set_name)(GtkWidget *widget, const gchar *name);
560 static void (*fp_gtk_widget_set_parent)(GtkWidget *widget, GtkWidget *parent);
561 static void (*fp_gtk_widget_set_direction)(GtkWidget *widget,
562 GtkTextDirection direction);
563 static void (*fp_gtk_widget_style_get)(GtkWidget *widget,
564 const gchar *first_property_name, ...);
565 static void (*fp_gtk_widget_class_install_style_property)(
566 GtkWidgetClass* class, GParamSpec *pspec);
567 static GParamSpec* (*fp_gtk_widget_class_find_style_property)(
568 GtkWidgetClass* class, const gchar* property_name);
569 static void (*fp_gtk_widget_style_get_property)(GtkWidget* widget,
570 const gchar* property_name, GValue* value);
571 static char* (*fp_pango_font_description_to_string)(
572 const PangoFontDescription* fd);
573 static GtkSettings* (*fp_gtk_settings_get_default)();
574 static GtkSettings* (*fp_gtk_widget_get_settings)(GtkWidget *widget);
575 static GType (*fp_gtk_border_get_type)();
576 static void (*fp_gtk_arrow_set)(GtkWidget* arrow,
577 GtkArrowType arrow_type,
578 GtkShadowType shadow_type);
579 static void (*fp_gtk_widget_size_request)(GtkWidget *widget,
580 GtkRequisition *requisition);
581 static GtkAdjustment* (*fp_gtk_range_get_adjustment)(GtkRange* range);
582 static GtkWidgetPath* (*fp_gtk_widget_path_copy)
583 (const GtkWidgetPath *path);
584 static const GtkWidgetPath* (*fp_gtk_style_context_get_path)
585 (GtkStyleContext *context);
586 static GtkWidgetPath* (*fp_gtk_widget_path_new) (void);
587 static gint (*fp_gtk_widget_path_append_type)
588 (GtkWidgetPath *path, GType type);
589 static void (*fp_gtk_widget_path_iter_set_object_name)
590 (GtkWidgetPath *path, gint pos, const char *name);
591 static void (*fp_gtk_style_context_set_path)
592 (GtkStyleContext *context, GtkWidgetPath *path);
593 static void (*fp_gtk_widget_path_unref) (GtkWidgetPath *path);
594 static GtkStyleContext* (*fp_gtk_style_context_new) (void);
595
596 #endif /* !_GTK3_INTERFACE_H */