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C/C++ Source or Header  |  1999-10-25  |  9.7 KB  |  255 lines
  1. /*
  2.  * This is a plug-in for the GIMP.
  3.  *
  4.  * Generates clickable image maps.
  5.  *
  6.  * Copyright (C) 1998-1999 Maurits Rijk  lpeek.mrijk@consunet.nl
  7.  *
  8.  * This program is free software; you can redistribute it and/or modify
  9.  * it under the terms of the GNU General Public License as published by
  10.  * the Free Software Foundation; either version 2 of the License, or
  11.  * (at your option) any later version.
  12.  *
  13.  * This program is distributed in the hope that it will be useful,
  14.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16.  * GNU General Public License for more details.
  17.  *
  18.  * You should have received a copy of the GNU General Public License
  19.  * along with this program; if not, write to the Free Software
  20.  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  21.  *
  22.  */
  23.  
  24. #ifndef _IMAP_OBJECT_H
  25. #define _IMAP_OBJECT_H
  26.  
  27. typedef struct Object_t Object_t;
  28. typedef struct ObjectClass_t ObjectClass_t;
  29. typedef struct ObjectList_t ObjectList_t;
  30.  
  31. #include "gtk/gtk.h"
  32.  
  33. #include "imap_edit_area_info.h"
  34. #include "imap_menu_funcs.h"
  35.  
  36. struct Object_t {
  37.    ObjectClass_t     *class;
  38.    ObjectList_t        *list;
  39.    gint             refcount;
  40.    gint          selected;
  41.    gint             locked;
  42.    gchar        *url;
  43.    gchar         *target;
  44.    gchar         *comment;
  45.    gchar         *mouse_over;
  46.    gchar         *mouse_out;
  47.    gchar        *focus;
  48.    gchar        *blur;
  49. };
  50.  
  51. typedef void (*MoveSashFunc_t)(Object_t*, gint, gint);
  52. typedef void (*OutputFunc_t)(gpointer, const char*, ...);
  53.  
  54. struct AreaInfoDialog_t;
  55.  
  56. struct ObjectClass_t {
  57.    gchar        *name;
  58.    AreaInfoDialog_t     *info_dialog;
  59.    GdkPixmap         *icon;
  60.    GdkBitmap         *mask;
  61.  
  62.    gboolean (*is_valid)(Object_t *obj);
  63.    void (*destruct)(Object_t *obj);
  64.    Object_t* (*clone)(Object_t *obj);
  65.    void (*assign)(Object_t *obj, Object_t *des);
  66.    void (*normalize)(Object_t *obj);
  67.    void (*draw)(Object_t *obj, GdkWindow *window, GdkGC* gc);
  68.    void (*draw_sashes)(Object_t *obj, GdkWindow *window, GdkGC* gc);
  69.    MoveSashFunc_t (*near_sash)(Object_t *obj, gint x, gint y);
  70.    gboolean (*point_is_on)(Object_t *obj, gint x, gint y);
  71.    void (*get_dimensions)(Object_t *obj, gint *x, gint *y, gint *width, 
  72.               gint *height);
  73.    void (*resize)(Object_t *obj, gint percentage_x, gint percentage_y);
  74.    void (*move)(Object_t *obj, gint dx, gint dy);
  75.    gpointer (*create_info_widget)(GtkWidget *frame);
  76.    void (*update_info_widget)(Object_t *obj, gpointer data);
  77.    void (*fill_info_tab)(Object_t *obj, gpointer data);
  78.    void (*set_initial_focus)(Object_t *obj, gpointer data);
  79.    void (*update)(Object_t *obj, gpointer data);
  80.    void (*write_csim)(Object_t *obj, gpointer param, OutputFunc_t output);
  81.    void (*write_cern)(Object_t *obj, gpointer param, OutputFunc_t output);
  82.    void (*write_ncsa)(Object_t *obj, gpointer param, OutputFunc_t output);
  83.    void (*do_popup)(Object_t *obj, GdkEventButton *event);
  84.  
  85.    char **(*get_icon_data)(void);
  86. };
  87.  
  88. Object_t *object_ref(Object_t *obj);
  89. void object_unref(Object_t *obj);
  90. Object_t* object_init(Object_t *obj, ObjectClass_t *class);
  91. Object_t* object_clone(Object_t *obj);
  92. Object_t* object_assign(Object_t *src, Object_t *des);
  93. void object_draw(Object_t *obj, GdkWindow *window);
  94. void object_edit(Object_t *obj, gboolean add);
  95. void object_select(Object_t *obj);
  96. void object_unselect(Object_t *obj);
  97. void object_move(Object_t *obj, gint dx, gint dy);
  98. void object_remove(Object_t *obj);
  99. void object_lock(Object_t *obj);
  100. void object_unlock(Object_t *obj);
  101. void object_set_url(Object_t *obj, const gchar *url);
  102. void object_set_target(Object_t *obj, const gchar *target);
  103. void object_set_comment(Object_t *obj, const gchar *comment);
  104. void object_set_mouse_over(Object_t *obj, const gchar *mouse_over);
  105. void object_set_mouse_out(Object_t *obj, const gchar *mouse_out);
  106. void object_set_focus(Object_t *obj, const gchar *focus);
  107. void object_set_blur(Object_t *obj, const gchar *blur);
  108. gint object_get_position_in_list(Object_t *obj);
  109. GdkPixmap* object_get_icon(Object_t *obj, GtkWidget *widget, GdkBitmap **mask);
  110.  
  111. void object_emit_changed_signal(Object_t *obj);
  112. void object_emit_geometry_signal(Object_t *obj);
  113. void object_emit_update_signal(Object_t *obj);
  114.  
  115. #define object_is_valid(obj) \
  116.     ((obj)->class->is_valid(obj))
  117.  
  118. #define object_get_dimensions(obj, x, y, width, height) \
  119.        ((obj)->class->get_dimensions((obj), (x), (y), (width), (height)))
  120.  
  121. #define object_normalize(obj) \
  122.       ((obj)->class->normalize(obj))
  123.  
  124. #define object_resize(obj, per_x, per_y) \
  125.     ((obj)->class->resize((obj), (per_x), (per_y)))
  126.  
  127. #define object_update(obj, data) \
  128.     ((obj)->class->update((obj), (data)))
  129.  
  130. #define object_update_info_widget(obj, data) \
  131.     ((obj)->class->update_info_widget((obj), (data)))
  132.  
  133. #define object_fill_info_tab(obj, data) \
  134.     ((obj)->class->fill_info_tab((obj), (data)))
  135.  
  136. typedef struct {
  137.    Object_t *obj;
  138.    gboolean (*finish)(Object_t *obj, gint x, gint y);
  139.    gboolean (*cancel)(GdkEventButton *event, Object_t *obj);
  140.    Object_t* (*create_object)(gint x, gint y);
  141.    void (*set_xy)(Object_t *obj, guint state, gint x, gint y);
  142. } ObjectFactory_t;
  143.  
  144. void object_on_button_press(GtkWidget *widget, GdkEventButton *event,
  145.                 gpointer data);
  146.  
  147. typedef struct {
  148.    GList *list;
  149. } ObjectListCallback_t;
  150.  
  151. struct ObjectList_t {
  152.    GList *list;
  153.    gboolean changed;
  154.    ObjectListCallback_t changed_cb;
  155.    ObjectListCallback_t update_cb;
  156.    ObjectListCallback_t add_cb;
  157.    ObjectListCallback_t remove_cb;
  158.    ObjectListCallback_t select_cb;
  159.    ObjectListCallback_t move_cb;
  160.    ObjectListCallback_t geometry_cb;
  161. };
  162.  
  163. ObjectList_t *make_object_list();
  164. void object_list_destruct(ObjectList_t *list);
  165. ObjectList_t *object_list_copy(ObjectList_t *des, ObjectList_t *src);
  166. ObjectList_t *object_list_append_list(ObjectList_t *des, ObjectList_t *src);
  167.  
  168. void object_list_append(ObjectList_t *list, Object_t *object);
  169. void object_list_prepend(ObjectList_t *list, Object_t *object);
  170. void object_list_insert(ObjectList_t *list, gint position, Object_t *object);
  171. void object_list_remove(ObjectList_t *list, Object_t *object);
  172. void object_list_remove_link(ObjectList_t *list, GList *link);
  173. void object_list_update(ObjectList_t *list, Object_t *object);
  174. void object_list_draw(ObjectList_t *list, GdkWindow *window);
  175. void object_list_draw_selected(ObjectList_t *list, GdkWindow *window);
  176. Object_t *object_list_find(ObjectList_t *list, gint x, gint y);
  177. Object_t *object_list_near_sash(ObjectList_t *list, gint x, gint y,
  178.                 MoveSashFunc_t *sash_func);
  179.  
  180. gint object_list_cut(ObjectList_t *list);
  181. void object_list_copy_to_paste_buffer(ObjectList_t *list);
  182. void object_list_paste(ObjectList_t *list);
  183.  
  184. void object_list_remove_all(ObjectList_t *list);
  185. void object_list_delete_selected(ObjectList_t *list);
  186. void object_list_edit_selected(ObjectList_t *list);
  187. gint object_list_select_all(ObjectList_t *list);
  188. void object_list_select_next(ObjectList_t *list);
  189. void object_list_select_prev(ObjectList_t *list);
  190. gint object_list_select_region(ObjectList_t *list, gint x, gint y, gint width,
  191.                    gint height);
  192. gint object_list_deselect_all(ObjectList_t *list, Object_t *exception);
  193. gint object_list_nr_selected(ObjectList_t *list);
  194. void object_list_resize(ObjectList_t *list, gint percentage_x, 
  195.             gint percentage_y);
  196. void object_list_move_selected(ObjectList_t *list, gint dx, gint dy);
  197. void object_list_move_up(ObjectList_t *list, Object_t *obj);
  198. void object_list_move_down(ObjectList_t *list, Object_t *obj);
  199. void object_list_move_selected_up(ObjectList_t *list);
  200. void object_list_move_selected_down(ObjectList_t *list);
  201. void object_list_move_to_front(ObjectList_t *list);
  202. void object_list_send_to_back(ObjectList_t *list);
  203.  
  204. void object_list_write_csim(ObjectList_t *list, gpointer param, 
  205.                 OutputFunc_t output);
  206. void object_list_write_cern(ObjectList_t *list, gpointer param, 
  207.                 OutputFunc_t output);
  208. void object_list_write_ncsa(ObjectList_t *list, gpointer param, 
  209.                 OutputFunc_t output);
  210.  
  211. typedef void (*ObjectListCallbackFunc_t)(Object_t*, gpointer);
  212.  
  213. gpointer object_list_add_changed_cb(ObjectList_t *list,
  214.                     ObjectListCallbackFunc_t func, 
  215.                     gpointer data);
  216. gpointer object_list_add_update_cb(ObjectList_t *list, 
  217.                    ObjectListCallbackFunc_t func, 
  218.                    gpointer data);
  219. gpointer object_list_add_add_cb(ObjectList_t *list, 
  220.                 ObjectListCallbackFunc_t func, gpointer data);
  221. gpointer object_list_add_remove_cb(ObjectList_t *list, 
  222.                    ObjectListCallbackFunc_t func, 
  223.                    gpointer data);
  224. gpointer object_list_add_select_cb(ObjectList_t *list, 
  225.                    ObjectListCallbackFunc_t func, 
  226.                    gpointer data);
  227. gpointer object_list_add_move_cb(ObjectList_t *list, 
  228.                  ObjectListCallbackFunc_t func, gpointer data);
  229. gpointer object_list_add_geometry_cb(ObjectList_t *list, 
  230.                      ObjectListCallbackFunc_t func, 
  231.                      gpointer data);
  232.  
  233. void object_list_remove_add_cb(ObjectList_t *list, gpointer id);
  234. void object_list_remove_select_cb(ObjectList_t *list, gpointer id);
  235. void object_list_remove_remove_cb(ObjectList_t *list, gpointer id);
  236. void object_list_remove_move_cb(ObjectList_t *list, gpointer id);
  237. void object_list_remove_geometry_cb(ObjectList_t *list, gpointer id);
  238.  
  239. #define object_list_clear_changed(list) ((list)->changed = FALSE)
  240. #define object_list_set_changed(list, ischanged) \
  241.     ((list)->changed = (ischanged))
  242. #define object_list_get_changed(list) ((list)->changed)
  243.  
  244. void clear_paste_buffer(void);
  245. gpointer paste_buffer_add_add_cb(ObjectListCallbackFunc_t func, gpointer data);
  246. gpointer paste_buffer_add_remove_cb(ObjectListCallbackFunc_t func, 
  247.                     gpointer data);
  248. ObjectList_t *get_paste_buffer(void);
  249.  
  250. void do_object_locked_dialog(void);
  251.  
  252. #endif /* _IMAP_OBJECT_H */
  253.  
  254.  
  255.