src/document.h

   1 /*
   2  *      document.h - this file is part of Geany, a fast and lightweight IDE
   3  *
   4  *      Copyright 2005-2012 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
   5  *      Copyright 2006-2012 Nick Treleaven <nick(dot)treleaven(at)btinternet(dot)com>
   6  *
   7  *      This program is free software; you can redistribute it and/or modify
   8  *      it under the terms of the GNU General Public License as published by
   9  *      the Free Software Foundation; either version 2 of the License, or
  10  *      (at your option) any later version.
  11  *
  12  *      This program is distributed in the hope that it will be useful,
  13  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *      GNU General Public License for more details.
  16  *
  17  *      You should have received a copy of the GNU General Public License along
  18  *      with this program; if not, write to the Free Software Foundation, Inc.,
  19  *      51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 /**
  23  *  @file document.h
  24  *  Document related actions: new, save, open, etc.
  25  **/
  26 /* Also Scintilla search actions - but these should probably be moved to search.c. */
  27
  28
  29 #ifndef GEANY_DOCUMENT_H
  30 #define GEANY_DOCUMENT_H 1
  31
  32 #include "editor.h"
  33 #include "filetypes.h"
  34 #include "geany.h"
  35 #include "search.h"
  36
  37 #include "gtkcompat.h" /* Needed by ScintillaWidget.h */
  38 #include "Scintilla.h" /* Needed by ScintillaWidget.h */
  39 #include "ScintillaWidget.h" /* For ScintillaObject */
  40
  41 #include <glib.h>
  42
  43
  44 G_BEGIN_DECLS
  45
  46 /** File Prefs. */
  47 typedef struct GeanyFilePrefs
  48 {
  49         gint                    default_new_encoding;
  50         gint                    default_open_encoding;
  51         gboolean                final_new_line;
  52         gboolean                strip_trailing_spaces;
  53         gboolean                replace_tabs;
  54         gboolean                tab_order_ltr;
  55         gboolean                tab_order_beside;
  56         gboolean                show_tab_cross;
  57         guint                   mru_length;
  58         gint                    default_eol_character;
  59         gint                    disk_check_timeout;
  60         gboolean                cmdline_new_files;      /* New file if command-line filename doesn't exist */
  61         gboolean                use_safe_file_saving;
  62         gboolean                ensure_convert_new_lines;
  63         gboolean                gio_unsafe_save_backup;
  64         gboolean                use_gio_unsafe_file_saving; /* whether to use GIO as the unsafe backend */
  65         gchar                   *extract_filetype_regex;        /* regex to extract filetype on opening */
  66         gboolean                tab_close_switch_to_mru;
  67         gboolean                keep_edit_history_on_reload; /* Keep undo stack upon, and allow undoing of, document reloading. */
  68         gboolean                show_keep_edit_history_on_reload_msg; /* whether to show the message introducing the above feature */
  69 }
  70 GeanyFilePrefs;
  71
  72
  73 /**
  74  *  Structure for representing an open tab with all its properties.
  75  **/
  76 typedef struct GeanyDocument
  77 {
  78         /** Flag used to check if this document is valid when iterating @ref documents_array. */
  79         gboolean                 is_valid;
  80         gint                     index;         /**< Index in the documents array. */
  81         /** Whether this document supports source code symbols(tags) to show in the sidebar. */
  82         gboolean                 has_tags;
  83         /** The UTF-8 encoded file name.
  84          * Be careful; glibc and GLib file functions expect the locale representation of the
  85          * file name which can be different from this.
  86          * For conversion into locale encoding, you can use @ref utils_get_locale_from_utf8().
  87          * @see real_path. */
  88         gchar                   *file_name;
  89         /** The encoding of the document, must be a valid string representation of an encoding, can
  90          *  be retrieved with @ref encodings_get_charset_from_index. */
  91         gchar                   *encoding;
  92         /** Internally used flag to indicate whether the file of this document has a byte-order-mark. */
  93         gboolean                 has_bom;
  94         GeanyEditor *editor;    /**< The editor associated with the document. */
  95         /** The filetype for this document, it's only a reference to one of the elements of the global
  96          *  filetypes array. */
  97         GeanyFiletype   *file_type;
  98         /** TMSourceFile object for this document, or @c NULL. */
  99         TMSourceFile    *tm_file;
 100         /** Whether this document is read-only. */
 101         gboolean                 readonly;
 102         /** Whether this document has been changed since it was last saved. */
 103         gboolean                 changed;
 104         /** The link-dereferenced, locale-encoded file name.
 105          * If non-NULL, this indicates the file once existed on disk (not just as an
 106          * unsaved document with a filename set).
 107          *
 108          * @note This is only assigned after a successful save or open - it should
 109          * not be set elsewhere.
 110          * @see file_name. */
 111         gchar                   *real_path;
 112         /** A pseudo-unique ID for this document.
 113          * @c 0 is reserved as an unused value.
 114          * @see document_find_by_id(). */
 115         guint                    id;
 116
 117         struct GeanyDocumentPrivate *priv;      /* should be last, append fields before this item */
 118 }
 119 GeanyDocument;
 120
 121 extern GPtrArray *documents_array;
 122
 123 /** Wraps @ref documents_array so it can be used with C array syntax.
 124  * @warning Always check the returned document is valid (@c doc->is_valid).
 125  *
 126  * Example: @code GeanyDocument *doc = documents[i]; @endcode
 127  * @see documents_array(). */
 128 #define documents ((GeanyDocument **)GEANY(documents_array)->pdata)
 129
 130 /** @deprecated Use @ref foreach_document() instead.
 131  * Iterates all valid documents.
 132  * Use like a @c for statement.
 133  * @param i @c guint index for document_index(). */
 134 #ifndef GEANY_DISABLE_DEPRECATED
 135 #define documents_foreach(i) foreach_document(i)
 136 #endif
 137
 138 /** Iterates all valid document indexes.
 139  * Use like a @c for statement.
 140  * @param i @c guint index for @ref documents_array.
 141  *
 142  * Example:
 143  * @code
 144  * guint i;
 145  * foreach_document(i)
 146  * {
 147  *      GeanyDocument *doc = documents[i];
 148  *      g_assert(doc->is_valid);
 149  * }
 150  * @endcode */
 151 #define foreach_document(i) \
 152         for (i = 0; i < GEANY(documents_array)->len; i++)\
 153                 if (!documents[i]->is_valid)\
 154                         {}\
 155                 else /* prevent outside 'else' matching our macro 'if' */
 156
 157 /** Null-safe way to check @ref GeanyDocument::is_valid.
 158  * @note This should not be used to check the result of the main API functions,
 159  * these only need a NULL-pointer check - @c document_get_current() != @c NULL. */
 160 #define DOC_VALID(doc_ptr) \
 161         ((doc_ptr) != NULL && (doc_ptr)->is_valid)
 162
 163 /**
 164  *  Returns the filename of the document passed or @c GEANY_STRING_UNTITLED
 165  *  (e.g. _("untitled")) if the document's filename was not yet set.
 166  *  This macro never returns @c NULL.
 167  **/
 168 #define DOC_FILENAME(doc) \
 169         (G_LIKELY((doc)->file_name != NULL) ? ((doc)->file_name) : GEANY_STRING_UNTITLED)
 170
 171
 172 GeanyDocument* document_new_file(const gchar *filename, GeanyFiletype *ft, const gchar *text);
 173
 174 GeanyDocument *document_get_current(void);
 175
 176 GeanyDocument *document_get_from_notebook_child(GtkWidget *page);
 177
 178 GeanyDocument* document_get_from_page(guint page_num);
 179
 180 GeanyDocument* document_find_by_filename(const gchar *utf8_filename);
 181
 182 GeanyDocument* document_find_by_real_path(const gchar *realname);
 183
 184 gboolean document_save_file(GeanyDocument *doc, gboolean force);
 185
 186 GeanyDocument* document_open_file(const gchar *locale_filename, gboolean readonly,
 187                 GeanyFiletype *ft, const gchar *forced_enc);
 188
 189 void document_open_files(const GSList *filenames, gboolean readonly, GeanyFiletype *ft,
 190                 const gchar *forced_enc);
 191
 192 gboolean document_remove_page(guint page_num);
 193
 194 gboolean document_reload_force(GeanyDocument *doc, const gchar *forced_enc);
 195
 196 void document_set_encoding(GeanyDocument *doc, const gchar *new_encoding);
 197
 198 void document_set_text_changed(GeanyDocument *doc, gboolean changed);
 199
 200 void document_set_filetype(GeanyDocument *doc, GeanyFiletype *type);
 201
 202 gboolean document_close(GeanyDocument *doc);
 203
 204 GeanyDocument *document_index(gint idx);
 205
 206 gboolean document_save_file_as(GeanyDocument *doc, const gchar *utf8_fname);
 207
 208 void document_rename_file(GeanyDocument *doc, const gchar *new_filename);
 209
 210 const GdkColor *document_get_status_color(GeanyDocument *doc);
 211
 212 gchar *document_get_basename_for_display(GeanyDocument *doc, gint length);
 213
 214 gint document_get_notebook_page(GeanyDocument *doc);
 215
 216 gint document_compare_by_display_name(gconstpointer a, gconstpointer b);
 217
 218 gint document_compare_by_tab_order(gconstpointer a, gconstpointer b);
 219
 220 gint document_compare_by_tab_order_reverse(gconstpointer a, gconstpointer b);
 221
 222 GeanyDocument *document_find_by_id(guint id);
 223
 224
 225 #ifdef GEANY_PRIVATE
 226
 227 #if defined(G_OS_WIN32)
 228 # define GEANY_DEFAULT_EOL_CHARACTER SC_EOL_CRLF
 229 #else
 230 # define GEANY_DEFAULT_EOL_CHARACTER SC_EOL_LF
 231 #endif
 232
 233 extern GeanyFilePrefs file_prefs;
 234
 235
 236 /* These functions will replace the older functions. For now they have a documents_ prefix. */
 237
 238 GeanyDocument* document_new_file_if_non_open(void);
 239
 240 gboolean document_reload_prompt(GeanyDocument *doc, const gchar *forced_enc);
 241
 242 void document_reload_config(GeanyDocument *doc);
 243
 244 GeanyDocument *document_find_by_sci(ScintillaObject *sci);
 245
 246 void document_show_tab(GeanyDocument *doc);
 247
 248 void document_init_doclist(void);
 249
 250 void document_finalize(void);
 251
 252 void document_try_focus(GeanyDocument *doc, GtkWidget *source_widget);
 253
 254 gboolean document_account_for_unsaved(void);
 255
 256 gboolean document_close_all(void);
 257
 258 GeanyDocument *document_open_file_full(GeanyDocument *doc, const gchar *filename, gint pos,
 259                 gboolean readonly, GeanyFiletype *ft, const gchar *forced_enc);
 260
 261 void document_open_file_list(const gchar *data, gsize length);
 262
 263 gboolean document_search_bar_find(GeanyDocument *doc, const gchar *text, gboolean inc,
 264                 gboolean backwards);
 265
 266 gint document_find_text(GeanyDocument *doc, const gchar *text, const gchar *original_text,
 267                 GeanyFindFlags flags, gboolean search_backwards, GeanyMatchInfo **match_,
 268                 gboolean scroll, GtkWidget *parent);
 269
 270 gint document_replace_text(GeanyDocument *doc, const gchar *find_text, const gchar *original_find_text,
 271                 const gchar *replace_text, GeanyFindFlags flags, gboolean search_backwards);
 272
 273 gint document_replace_all(GeanyDocument *doc, const gchar *find_text, const gchar *replace_text,
 274                 const gchar *original_find_text, const gchar *original_replace_text, GeanyFindFlags flags);
 275
 276 void document_replace_sel(GeanyDocument *doc, const gchar *find_text, const gchar *replace_text,
 277                                                   const gchar *original_find_text, const gchar *original_replace_text, GeanyFindFlags flags);
 278
 279 void document_update_tags(GeanyDocument *doc);
 280
 281 void document_update_tag_list_in_idle(GeanyDocument *doc);
 282
 283 void document_highlight_tags(GeanyDocument *doc);
 284
 285 gboolean document_check_disk_status(GeanyDocument *doc, gboolean force);
 286
 287 /* own Undo / Redo implementation to be able to undo / redo changes
 288  * to the encoding or the Unicode BOM (which are Scintilla independent).
 289  * All Scintilla events are stored in the undo / redo buffer and are passed through. */
 290
 291 gboolean document_can_undo(GeanyDocument *doc);
 292
 293 gboolean document_can_redo(GeanyDocument *doc);
 294
 295 void document_undo(GeanyDocument *doc);
 296
 297 void document_redo(GeanyDocument *doc);
 298
 299 void document_undo_add(GeanyDocument *doc, guint type, gpointer data);
 300
 301 void document_update_tab_label(GeanyDocument *doc);
 302
 303 const gchar *document_get_status_widget_class(GeanyDocument *doc);
 304
 305 gboolean document_need_save_as(GeanyDocument *doc);
 306
 307 gboolean document_detect_indent_type(GeanyDocument *doc, GeanyIndentType *type_);
 308
 309 gboolean document_detect_indent_width(GeanyDocument *doc, gint *width_);
 310
 311 void document_apply_indent_settings(GeanyDocument *doc);
 312
 313 void document_grab_focus(GeanyDocument *doc);
 314
 315 GeanyDocument *document_clone(GeanyDocument *old_doc);
 316
 317 #endif /* GEANY_PRIVATE */
 318
 319 G_END_DECLS
 320
 321 #endif /* GEANY_DOCUMENT_H */