自学教程：C++ CHECKCOBJ函数代码示例

intclip_GTK_ENTRYCOMPLETIONGETMINIMUMKEYLENGTH(ClipMachine * ClipMachineMemory){   C_object *ccompletion = _fetch_co_arg(ClipMachineMemory);   CHECKCOBJ(ccompletion, GTK_IS_ENTRY_COMPLETION(ccompletion->object));   _clip_parni(ClipMachineMemory, gtk_entry_completion_get_minimum_key_length(GTK_ENTRY_COMPLETION(ccompletion->object)));   return 0; err:   return 1;}

/* Returns TRUE if the GdkRegion is empty. */intclip_GDK_REGIONEMPTY(ClipMachine * ClipMachineMemory){   C_object *creg = _fetch_co_arg(ClipMachineMemory);   CHECKCOBJ(creg, GDK_IS_REGION(creg->object));   _clip_retl(ClipMachineMemory, gdk_region_empty(GDK_REGION(creg)));   return 0; err:   return 1;}

intclip_GTK_ENTRYCOMPLETIONINSERTPREFIX(ClipMachine * ClipMachineMemory){   C_object *ccompletion = _fetch_co_arg(ClipMachineMemory);   CHECKCOBJ(ccompletion, GTK_IS_ENTRY_COMPLETION(ccompletion->object));   gtk_entry_completion_insert_prefix(GTK_ENTRY_COMPLETION(ccompletion->object));   return 0; err:   return 1;}

intclip_GTK_FILEFILTERGETNEEDED(ClipMachine * cm){        C_object  *cfilter = _fetch_co_arg(cm);	CHECKCOBJ(cfilter, GTK_IS_FILE_FILTER(cfilter->object));	_clip_retni(cm, (int)gtk_file_filter_get_needed(GTK_FILE_FILTER(cfilter->object)));	return 0;err:	return 1;}

/* Destroys a GdkRegion. */intclip_GDK_REGIONDESTROY(ClipMachine * ClipMachineMemory){   C_object *creg = _fetch_co_arg(ClipMachineMemory);   CHECKCOBJ(creg, GDK_IS_REGION(creg->object));   gdk_region_destroy(GDK_REGION(creg));   return 0; err:   return 1;}

intclip_GTK_TREESELECTIONCOUNTSELECTEDROWS(ClipMachine * cm){	C_object *ctreesel = _fetch_co_arg(cm);	CHECKOPT2(1, MAP_t, NUMERIC_t); CHECKCOBJ(ctreesel,GTK_IS_TREE_SELECTION(ctreesel->object));	_clip_retni(cm, gtk_tree_selection_count_selected_rows(GTK_TREE_SELECTION(ctreesel->object)));	return 0;err:	return 1;}

intclip_GTK_FILEFILTERADDPIXBUFFORMATS(ClipMachine * cm){        C_object  *cfilter = _fetch_co_arg(cm);	CHECKCOBJ(cfilter, GTK_IS_FILE_FILTER(cfilter->object));	gtk_file_filter_add_pixbuf_formats(GTK_FILE_FILTER(cfilter->object));	return 0;err:	return 1;}

intclip_GTK_ICONTHEMERESCANIFNEEDED(ClipMachine * cm){        C_object *cicon   = _fetch_co_arg(cm);	CHECKCOBJ(cicon, GTK_IS_ICON_THEME(cicon->object));	_clip_retl(cm, gtk_icon_theme_rescan_if_needed(GTK_ICON_THEME(cicon->object)));	return 0;err:	return 1;}

/* Sets the foreground color for a graphics context. */intclip_GDK_GCSETFOREGROUND(ClipMachine * cm){	C_object      *cgc = _fetch_co_arg(cm);	ClipVar    *mcolor = _clip_spar  ( cm, 2);	GdkColor color;	CHECKCOBJ(cgc,GDK_IS_GC(cgc)); CHECKARG(2,MAP_t);	_map_colors_to_gdk(cm, mcolor, &color);	gdk_gc_set_foreground(GDK_GC(cgc->object), &color);	return 0;err:	return 1;}

intclip_GTK_DRAGSOURCESETICON(ClipMachine * cm){        C_widget      *cwid = _fetch_cw_arg(cm);	C_object *ccolormap = _fetch_cobject(cm, _clip_spar(cm, 2));        C_object   *cpixmap = _fetch_cobject(cm, _clip_spar(cm, 3));        C_object     *cmask = _fetch_cobject(cm, _clip_spar(cm, 4));	CHECKCWID(cwid, GTK_IS_WIDGET);	CHECKCOBJ(ccolormap, GDK_IS_COLORMAP(ccolormap->object));	CHECKCOBJ(cpixmap, GDK_IS_PIXMAP(cpixmap->object));	CHECKCOBJ(cmask, GDK_IS_BITMAP(cmask));        gtk_drag_source_set_icon(GTK_WIDGET(cwid->widget),        	GDK_COLORMAP(ccolormap->object),                GDK_PIXMAP(cpixmap->object),                GDK_BITMAP(cmask->object));	return 0;err:	return 1;}

intclip_GTK_FILECHOOSERGETACTION(ClipMachine * ClipMachineMemory){   C_object *cchooser = _fetch_co_arg(ClipMachineMemory);   CHECKCOBJ(cchooser, GTK_IS_FILE_CHOOSER(cchooser->object));   _clip_retni(ClipMachineMemory, (int) gtk_file_chooser_get_action(GTK_FILE_CHOOSER(cchooser->object)));   return 0; err:   return 1;}

intclip_GTK_FILECHOOSERGETLOCALONLY(ClipMachine * ClipMachineMemory){   C_object *cchooser = _fetch_co_arg(ClipMachineMemory);   CHECKCOBJ(cchooser, GTK_IS_FILE_CHOOSER(cchooser->object));   _clip_retl(ClipMachineMemory, gtk_file_chooser_get_local_only(GTK_FILE_CHOOSER(cchooser->object)));   return 0; err:   return 1;}

intclip_GTK_ENTRYCOMPLETIONCOMPLETE(ClipMachine * ClipMachineMemory){   C_object *ccompletion = _fetch_co_arg(ClipMachineMemory);   CHECKCOBJ(ccompletion, GTK_IS_ENTRY_COMPLETION(ccompletion->object));   gtk_entry_completion_complete(GTK_ENTRY_COMPLETION(ccompletion->object));   return 0; err:   return 1;}

intclip_GTK_ENTRYCOMPLETIONGETPOPUPCOMPLETION(ClipMachine * ClipMachineMemory){   C_object *ccompletion = _fetch_co_arg(ClipMachineMemory);   CHECKCOBJ(ccompletion, GTK_IS_ENTRY_COMPLETION(ccompletion->object));   _clip_retl(ClipMachineMemory, gtk_entry_completion_get_popup_completion(GTK_ENTRY_COMPLETION(ccompletion->object)));   return 0; err:   return 1;}

/* Draws a number of characters in the given font or fontset. */intclip_GDK_DRAWTEXT(ClipMachine * ClipMachineMemory){   C_widget *cwid = _fetch_cw_arg(ClipMachineMemory);   C_object *cgc = _fetch_cobject(ClipMachineMemory, _clip_spar(ClipMachineMemory, 2));   C_object *font = _fetch_cobject(ClipMachineMemory, _clip_spar(ClipMachineMemory, 3));   gint      x = _clip_parni(ClipMachineMemory, 4);   gint      y = _clip_parni(ClipMachineMemory, 5);   gchar    *text = _clip_parc(ClipMachineMemory, 6);   gint      length = _clip_parni(ClipMachineMemory, 7);   GdkDrawable *drw = NULL;   CHECKCWID(cwid, GTK_IS_WIDGET);   CHECKOPT2(2, NUMERIC_type_of_ClipVarType, MAP_type_of_ClipVarType);   CHECKCOBJ(cgc, GDK_IS_GC(cgc));   CHECKOPT2(3, NUMERIC_type_of_ClipVarType, MAP_type_of_ClipVarType);   CHECKCOBJ(cgc, GDK_IS_FONT(font));   CHECKOPT(4, NUMERIC_type_of_ClipVarType);   CHECKOPT(5, NUMERIC_type_of_ClipVarType);   CHECKOPT(6, CHARACTER_type_of_ClipVarType);   CHECKOPT(7, NUMERIC_type_of_ClipVarType);   drw = cwid->widget->window;   if (GTK_IS_PIXMAP(cwid->widget))      drw = GTK_PIXMAP(cwid->widget)->pixmap;   LOCALE_TO_UTF(text);   gdk_draw_text(drw, GDK_FONT(font->object), GDK_GC(cgc->object), x, y, text, length);   FREE_TEXT(text);   return 0; err:   return 1;}

intclip_GTK_ACTIONGROUPGETVISIBLE(ClipMachine * ClipMachineMemory){   C_object *cagroup = _fetch_co_arg(ClipMachineMemory);   CHECKARG2(1, MAP_type_of_ClipVarType, NUMERIC_type_of_ClipVarType);   CHECKCOBJ(cagroup, GTK_IS_ACTION_GROUP(cagroup->object));   _clip_retl(ClipMachineMemory, gtk_action_group_get_visible(GTK_ACTION_GROUP(cagroup->object)));   return 0; err:   return 1;}

intclip_GTK_ACTIONGROUPADDRADIOACTIONSFULL(ClipMachine * ClipMachineMemory){   C_object *cagroup = _fetch_co_arg(ClipMachineMemory);   ClipArrVar *carr = (ClipArrVar *) _clip_vptr(_clip_spar(ClipMachineMemory, 2));   guint     n_actions = _clip_parni(ClipMachineMemory, 3);   gint      value = _clip_parni(ClipMachineMemory, 4);   ClipVar  *cfunc = _clip_spar(ClipMachineMemory, 5);   ClipVar  *cfunc2 = _clip_spar(ClipMachineMemory, 6);   C_var    *c = NEW(C_var);   CHECKARG2(1, MAP_type_of_ClipVarType, NUMERIC_type_of_ClipVarType);   CHECKCOBJ(cagroup, GTK_IS_ACTION_GROUP(cagroup->object));   CHECKARG(2, ARRAY_type_of_ClipVarType);   CHECKARG(3, NUMERIC_type_of_ClipVarType);   CHECKARG(4, NUMERIC_type_of_ClipVarType);   CHECKARG2(5, PCODE_type_of_ClipVarType, CCODE_type_of_ClipVarType);   CHECKARG2(6, PCODE_type_of_ClipVarType, CCODE_type_of_ClipVarType);   if (carr)    {       GtkRadioActionEntry *acts;       gint      i;       acts = malloc(carr->count_of_ClipArrVar * sizeof(GtkRadioActionEntry));       memset(acts, 0, sizeof(GtkRadioActionEntry) * carr->count_of_ClipArrVar);       for (i = 0; i < n_actions; i++)	  _map_to_radio_action_entry(ClipMachineMemory, &carr->ClipVar_items_of_ClipArrVar[i], &acts[i]);       c->ClipMachineMemory = ClipMachineMemory;       c->co = cagroup;       _clip_mclone(ClipMachineMemory, &c->cfunc, cfunc);       _clip_mclone(ClipMachineMemory, &c->cfunc2, cfunc2);       gtk_action_group_add_radio_actions_full(GTK_ACTION_GROUP					       (cagroup->object), acts,					       n_actions, value, (GCallback) call_b, c, (GDestroyNotify) destroy_d);       free(acts);    }   return 0; err:   return 1;}

intclip_GTK_ACTIONGROUPADDACTIONWITHACCEL(ClipMachine * ClipMachineMemory){   C_object *cagroup = _fetch_co_arg(ClipMachineMemory);   C_object *caction = _fetch_cobject(ClipMachineMemory, _clip_spar(ClipMachineMemory, 2));   gchar    *accel = _clip_parc(ClipMachineMemory, 3);   CHECKARG2(1, MAP_type_of_ClipVarType, NUMERIC_type_of_ClipVarType);   CHECKCOBJ(cagroup, GTK_IS_ACTION_GROUP(cagroup->object));   CHECKARG2(2, MAP_type_of_ClipVarType, NUMERIC_type_of_ClipVarType);   CHECKCOBJ(caction, GTK_IS_ACTION(caction->object));   CHECKARG(3, CHARACTER_type_of_ClipVarType);   LOCALE_TO_UTF(accel);   gtk_action_group_add_action_with_accel(GTK_ACTION_GROUP(cagroup->object), GTK_ACTION(caction->object), accel);   FREE_TEXT(accel);   return 0; err:   return 1;}

intclip_GTK_TOGGLEACTIONGETDRAWASRADIO(ClipMachine * ClipMachineMemory){   C_object *caction = _fetch_co_arg(ClipMachineMemory);   CHECKARG2(1, MAP_type_of_ClipVarType, NUMERIC_type_of_ClipVarType);   CHECKCOBJ(caction, GTK_IS_TOGGLE_ACTION(caction->object));   _clip_retl(ClipMachineMemory, gtk_toggle_action_get_draw_as_radio(GTK_TOGGLE_ACTION(caction->object)));   return 0; err:   return 1;}

intclip_GTK_TOGGLEACTIONTOGGLED(ClipMachine * ClipMachineMemory){   C_object *caction = _fetch_co_arg(ClipMachineMemory);   CHECKARG2(1, MAP_type_of_ClipVarType, NUMERIC_type_of_ClipVarType);   CHECKCOBJ(caction, GTK_IS_TOGGLE_ACTION(caction->object));   gtk_toggle_action_toggled(GTK_TOGGLE_ACTION(caction->object));   return 0; err:   return 1;}

intclip_GTK_TREESTORECLEAR(ClipMachine * ClipMachineMemory){   C_object *cstree = _fetch_co_arg(ClipMachineMemory);   CHECKARG2(1, MAP_type_of_ClipVarType, NUMERIC_type_of_ClipVarType);   CHECKCOBJ(cstree, GTK_IS_TREE_STORE(cstree->object));   gtk_tree_store_clear(GTK_TREE_STORE(cstree->object));   return 0; err:   return 1;}

intclip_GTK_TREESELECTIONCOUNTSELECTEDROWS(ClipMachine * ClipMachineMemory){   C_object *ctreesel = _fetch_co_arg(ClipMachineMemory);   CHECKOPT2(1, MAP_type_of_ClipVarType, NUMERIC_type_of_ClipVarType);   CHECKCOBJ(ctreesel, GTK_IS_TREE_SELECTION(ctreesel->object));   _clip_retni(ClipMachineMemory, gtk_tree_selection_count_selected_rows(GTK_TREE_SELECTION(ctreesel->object)));   return 0; err:   return 1;}

/******************************************************************************* gtk_TreeStoreInsertAfter(tree, parent_path_string/NULL, sibling_path_string/NULL, ncol, val, ....)-->path_string******************************************************************************/intclip_GTK_TREESTOREINSERTAFTER(ClipMachine * ClipMachineMemory){   C_object *cstree = _fetch_co_arg(ClipMachineMemory);   gchar    *parent = _clip_parc(ClipMachineMemory, 2);   gchar    *sibling = _clip_parc(ClipMachineMemory, 3);   GtkTreeIter iter;   GtkTreeIter parentiter;   GtkTreeIter siblingiter;   GtkTreePath *path;   gchar    *path_string;   CHECKARG2(1, MAP_type_of_ClipVarType, NUMERIC_type_of_ClipVarType);   CHECKCOBJ(cstree, GTK_IS_TREE_STORE(cstree->object));   CHECKOPT(2, CHARACTER_type_of_ClipVarType);   CHECKOPT(3, CHARACTER_type_of_ClipVarType);   if (parent)      gtk_tree_model_get_iter(GTK_TREE_MODEL(GTK_TREE_STORE(cstree->object)),			      &parentiter, gtk_tree_path_new_from_string(parent));   if (sibling)      gtk_tree_model_get_iter(GTK_TREE_MODEL(GTK_TREE_STORE(cstree->object)),			      &siblingiter, gtk_tree_path_new_from_string(sibling));   gtk_tree_store_insert_after(GTK_TREE_STORE(cstree->object), &iter,			       (parent ? &parentiter : NULL), (sibling ? &siblingiter : NULL));   __tree_store_set(ClipMachineMemory, &iter, 4);   path = gtk_tree_model_get_path(GTK_TREE_MODEL(GTK_TREE_STORE(cstree->object)), &iter);   path_string = gtk_tree_path_to_string(path);   _clip_retc(ClipMachineMemory, path_string);   g_free(path_string);   return 0; err:   return 1;}

intclip_GTK_UIMANAGERENSUREUPDATE(ClipMachine * ClipMachineMemory){   C_object *cmanager = _fetch_co_arg(ClipMachineMemory);   CHECKARG2(1, MAP_type_of_ClipVarType, NUMERIC_type_of_ClipVarType);   CHECKCOBJ(cmanager, GTK_IS_UI_MANAGER(cmanager->object));   gtk_ui_manager_ensure_update(GTK_UI_MANAGER(cmanager->object));   return 0; err:   return 1;}

intclip_GTK_UIMANAGERGETUI(ClipMachine * ClipMachineMemory){   C_object *cmanager = _fetch_co_arg(ClipMachineMemory);   CHECKARG2(1, MAP_type_of_ClipVarType, NUMERIC_type_of_ClipVarType);   CHECKCOBJ(cmanager, GTK_IS_UI_MANAGER(cmanager->object));   _clip_retc(ClipMachineMemory, gtk_ui_manager_get_ui(GTK_UI_MANAGER(cmanager->object)));   return 0; err:   return 1;}

intclip_GTK_LISTSTORECLEAR(ClipMachine * cm){	C_object *cslist = _fetch_co_arg(cm);        CHECKARG2(1, MAP_t, NUMERIC_t); CHECKCOBJ(cslist, GTK_IS_LIST_STORE(cslist->object));        gtk_list_store_clear(GTK_LIST_STORE(cslist->object));	return 0;err:	return 1;}

/* Decrease the reference count of a count by one. If the result is zero,   destroys the font. */intclip_GDK_FONTUNREF(ClipMachine * cm){	C_object *cfont = _fetch_co_arg(cm);	CHECKCOBJ(cfont,GDK_IS_FONT(cfont));       	cfont->ref_count--;        if (cfont->ref_count > 0)		gdk_font_unref(GDK_FONT(cfont->object));        else        	destroy_c_object(cfont);	return 0;err:	return 1;}

/******************************************************************************* gtk_ItemFactoryDeleteItem( itemFactory, spath ) --> NIL******************************************************************************/intclip_GTK_ITEMFACTORYDELETEITEM(ClipMachine * cm){        C_object       *citem = _fetch_co_arg(cm);        const gchar     *path = _clip_parc(cm, 2);	CHECKARG(1, MAP_t); CHECKCOBJ(citem, GTK_IS_ITEM_FACTORY(citem->object));        CHECKARG(2, CHARACTER_t);	gtk_item_factory_delete_item(GTK_ITEM_FACTORY(citem->object), path );	return 0;err:	return 1;}