src/editor.h

   1 /*
   2  *      editor.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 #ifndef GEANY_EDITOR_H
  24 #define GEANY_EDITOR_H 1
  25
  26 #include "tm_tag.h" /* for TMTag */
  27
  28 #include "gtkcompat.h" /* Needed by ScintillaWidget.h */
  29 #include "Scintilla.h" /* Needed by ScintillaWidget.h */
  30 #include "ScintillaWidget.h" /* for ScintillaObject */
  31
  32 #include <glib.h>
  33
  34
  35 G_BEGIN_DECLS
  36
  37 /* Forward-declared to avoid including document.h since it includes this header */
  38 struct GeanyDocument;
  39
  40 /** Default character set to define which characters should be treated as part of a word. */
  41 #define GEANY_WORDCHARS                                 "_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
  42 #define GEANY_MAX_WORD_LENGTH                   192
  43
  44 /** Whether to use tabs, spaces or both to indent. */
  45 typedef enum
  46 {
  47         GEANY_INDENT_TYPE_SPACES,       /**< Spaces. */
  48         GEANY_INDENT_TYPE_TABS,         /**< Tabs. */
  49         GEANY_INDENT_TYPE_BOTH          /**< Both. */
  50 }
  51 GeanyIndentType;
  52
  53 typedef enum
  54 {
  55         GEANY_AUTOINDENT_NONE = 0,
  56         GEANY_AUTOINDENT_BASIC,
  57         GEANY_AUTOINDENT_CURRENTCHARS,
  58         GEANY_AUTOINDENT_MATCHBRACES
  59 }
  60 GeanyAutoIndent;
  61
  62 /** Geany indicator types, can be used with Editor indicator functions to highlight
  63  *  text in the document. */
  64 typedef enum
  65 {
  66         /** Indicator to highlight errors in the document text. This is a red squiggly underline. */
  67         GEANY_INDICATOR_ERROR = 0,
  68         /** Indicator used to highlight search results in the document. This is a
  69          *  rounded box around the text. */
  70         /* start container indicator outside of lexer indicators (0..7), see Scintilla docs */
  71         GEANY_INDICATOR_SEARCH = 8
  72 }
  73 GeanyIndicator;
  74
  75 /** Indentation prefs that might be different according to project or filetype.
  76  * Use @c editor_get_indent_prefs() to lookup the prefs for a particular document.
  77  *
  78  * @since 0.15
  79  **/
  80 typedef struct GeanyIndentPrefs
  81 {
  82         gint                    width;                          /**< Indent width. */
  83         GeanyIndentType type;                           /**< Whether to use tabs, spaces or both to indent. */
  84         /** Width of a tab, but only when using GEANY_INDENT_TYPE_BOTH.
  85          * To get the display tab width, use sci_get_tab_width(). */
  86         gint                    hard_tab_width;
  87         GeanyAutoIndent auto_indent_mode;
  88         gboolean                detect_type;
  89         gboolean                detect_width;
  90 }
  91 GeanyIndentPrefs;
  92
  93 /** Default prefs when creating a new editor window.
  94  * Some of these can be overridden per document or per project. */
  95 /* @warning Use @c editor_get_prefs() instead to include project overrides. */
  96 typedef struct GeanyEditorPrefs
  97 {
  98         GeanyIndentPrefs *indentation;  /* Default indentation prefs. Use editor_get_indent_prefs(). */
  99         gboolean        show_white_space;
 100         gboolean        show_indent_guide;
 101         gboolean        show_line_endings;
 102         /* 0 - line, 1 - background, 2 - disabled. */
 103         gint            long_line_type;
 104         gint            long_line_column;
 105         gchar           *long_line_color;
 106         gboolean        show_markers_margin;            /* view menu */
 107         gboolean        show_linenumber_margin;         /* view menu */
 108         gboolean        show_scrollbars;                        /* hidden pref */
 109         gboolean        scroll_stop_at_last_line;
 110         gboolean        line_wrapping;
 111         gboolean        use_indicators;
 112         gboolean        folding;
 113         gboolean        unfold_all_children;
 114         gboolean        disable_dnd;
 115         gboolean        use_tab_to_indent;      /* makes tab key indent instead of insert a tab char */
 116         gboolean        smart_home_key;
 117         gboolean        newline_strip;
 118         gboolean        auto_complete_symbols;
 119         gboolean        auto_close_xml_tags;
 120         gboolean        complete_snippets;
 121         gint            symbolcompletion_min_chars;
 122         gint            symbolcompletion_max_height;
 123         gboolean        brace_match_ltgt;       /* whether to highlight < and > chars (hidden pref) */
 124         gboolean        use_gtk_word_boundaries;        /* hidden pref */
 125         gboolean        complete_snippets_whilst_editing;       /* hidden pref */
 126         gint            line_break_column;
 127         gboolean        auto_continue_multiline;
 128         gchar           *comment_toggle_mark;
 129         guint           autocompletion_max_entries;
 130         guint           autoclose_chars;
 131         gboolean        autocomplete_doc_words;
 132         gboolean        completion_drops_rest_of_word;
 133         gchar           *color_scheme;
 134         gint            show_virtual_space;
 135         gboolean        long_line_enabled;
 136         gint            autocompletion_update_freq;
 137 }
 138 GeanyEditorPrefs;
 139
 140 /** Editor-owned fields for each document. */
 141 typedef struct GeanyEditor
 142 {
 143         struct GeanyDocument    *document;              /**< The document associated with the editor. */
 144         ScintillaObject *sci;                   /**< The Scintilla editor @c GtkWidget. */
 145         gboolean                 line_wrapping; /**< @c TRUE if line wrapping is enabled. */
 146         gboolean                 auto_indent;   /**< @c TRUE if auto-indentation is enabled. */
 147         /** Percentage to scroll view by on paint, if positive. */
 148         gfloat                   scroll_percent;
 149         GeanyIndentType  indent_type;   /* Use editor_get_indent_prefs() instead. */
 150         gboolean                 line_breaking; /**< Whether to split long lines as you type. */
 151         gint                     indent_width;
 152 }
 153 GeanyEditor;
 154
 155 typedef struct SCNotification SCNotification;
 156
 157
 158 const GeanyIndentPrefs *editor_get_indent_prefs(GeanyEditor *editor);
 159
 160 ScintillaObject *editor_create_widget(GeanyEditor *editor);
 161
 162 void editor_indicator_set_on_range(GeanyEditor *editor, gint indic, gint start, gint end);
 163
 164 void editor_indicator_set_on_line(GeanyEditor *editor, gint indic, gint line);
 165
 166 void editor_indicator_clear(GeanyEditor *editor, gint indic);
 167
 168 void editor_set_indent_type(GeanyEditor *editor, GeanyIndentType type);
 169
 170 gchar *editor_get_word_at_pos(GeanyEditor *editor, gint pos, const gchar *wordchars);
 171
 172 const gchar *editor_get_eol_char_name(GeanyEditor *editor);
 173
 174 gint editor_get_eol_char_len(GeanyEditor *editor);
 175
 176 const gchar *editor_get_eol_char(GeanyEditor *editor);
 177
 178 void editor_insert_text_block(GeanyEditor *editor, const gchar *text,
 179                                                           gint insert_pos, gint cursor_index,
 180                                                           gint newline_indent_size, gboolean replace_newlines);
 181
 182 gint editor_get_eol_char_mode(GeanyEditor *editor);
 183
 184 gboolean editor_goto_pos(GeanyEditor *editor, gint pos, gboolean mark);
 185
 186 const gchar *editor_find_snippet(GeanyEditor *editor, const gchar *snippet_name);
 187
 188 void editor_insert_snippet(GeanyEditor *editor, gint pos, const gchar *snippet);
 189
 190
 191 #ifdef GEANY_PRIVATE
 192
 193 extern GeanyEditorPrefs editor_prefs;
 194
 195 typedef enum
 196 {
 197         GEANY_VIRTUAL_SPACE_DISABLED = 0,
 198         GEANY_VIRTUAL_SPACE_SELECTION = 1,
 199         GEANY_VIRTUAL_SPACE_ALWAYS = 3
 200 }
 201 GeanyVirtualSpace;
 202
 203 /* Auto-close brackets/quotes */
 204 enum {
 205         GEANY_AC_PARENTHESIS    = 1,
 206         GEANY_AC_CBRACKET               = 2,
 207         GEANY_AC_SBRACKET               = 4,
 208         GEANY_AC_SQUOTE                 = 8,
 209         GEANY_AC_DQUOTE                 = 16
 210 };
 211
 212 typedef struct
 213 {
 214         gchar   *current_word;  /* holds word under the mouse or keyboard cursor */
 215         gint    click_pos;              /* text position where the mouse was clicked */
 216 } EditorInfo;
 217
 218 extern EditorInfo editor_info;
 219
 220
 221 void editor_init(void);
 222
 223 GeanyEditor *editor_create(struct GeanyDocument *doc);
 224
 225 void editor_destroy(GeanyEditor *editor);
 226
 227 void editor_sci_notify_cb(GtkWidget *widget, gint scn, gpointer scnt, gpointer data);
 228
 229 gboolean editor_start_auto_complete(GeanyEditor *editor, gint pos, gboolean force);
 230
 231 gboolean editor_complete_word_part(GeanyEditor *editor);
 232
 233 void editor_goto_next_snippet_cursor(GeanyEditor *editor);
 234
 235 gboolean editor_complete_snippet(GeanyEditor *editor, gint pos);
 236
 237 gboolean editor_show_calltip(GeanyEditor *editor, gint pos);
 238
 239 void editor_do_comment_toggle(GeanyEditor *editor);
 240
 241 gint editor_do_comment(GeanyEditor *editor, gint line, gboolean allow_empty_lines, gboolean toggle,
 242                 gboolean single_comment);
 243
 244 gint editor_do_uncomment(GeanyEditor *editor, gint line, gboolean toggle);
 245
 246 void editor_insert_multiline_comment(GeanyEditor *editor);
 247
 248 void editor_insert_alternative_whitespace(GeanyEditor *editor);
 249
 250 void editor_indent(GeanyEditor *editor, gboolean increase);
 251
 252 void editor_smart_line_indentation(GeanyEditor *editor, gint pos);
 253
 254 void editor_indentation_by_one_space(GeanyEditor *editor, gint pos, gboolean decrease);
 255
 256 gboolean editor_line_in_view(GeanyEditor *editor, gint line);
 257
 258 void editor_scroll_to_line(GeanyEditor *editor, gint line, gfloat percent_of_view);
 259
 260 void editor_display_current_line(GeanyEditor *editor, gfloat percent_of_view);
 261
 262 void editor_finalize(void);
 263
 264 void editor_snippets_init(void);
 265
 266 void editor_snippets_free(void);
 267
 268 const GeanyEditorPrefs *editor_get_prefs(GeanyEditor *editor);
 269
 270
 271 /* General editing functions */
 272
 273 void editor_find_current_word(GeanyEditor *editor, gint pos, gchar *word, gsize wordlen,
 274         const gchar *wc);
 275
 276 void editor_find_current_word_sciwc(GeanyEditor *editor, gint pos, gchar *word, gsize wordlen);
 277
 278 gchar *editor_get_default_selection(GeanyEditor *editor, gboolean use_current_word, const gchar *wordchars);
 279
 280
 281 void editor_select_word(GeanyEditor *editor);
 282
 283 void editor_select_lines(GeanyEditor *editor, gboolean extra_line);
 284
 285 void editor_select_paragraph(GeanyEditor *editor);
 286
 287 void editor_select_indent_block(GeanyEditor *editor);
 288
 289
 290 void editor_set_font(GeanyEditor *editor, const gchar *font);
 291
 292 void editor_indicator_clear_errors(GeanyEditor *editor);
 293
 294 void editor_fold_all(GeanyEditor *editor);
 295
 296 void editor_unfold_all(GeanyEditor *editor);
 297
 298 void editor_replace_tabs(GeanyEditor *editor);
 299
 300 void editor_replace_spaces(GeanyEditor *editor);
 301
 302 void editor_strip_line_trailing_spaces(GeanyEditor *editor, gint line);
 303
 304 void editor_strip_trailing_spaces(GeanyEditor *editor);
 305
 306 void editor_ensure_final_newline(GeanyEditor *editor);
 307
 308 void editor_insert_color(GeanyEditor *editor, const gchar *colour);
 309
 310 void editor_set_indent_width(GeanyEditor *editor, gint width);
 311
 312 void editor_set_indent(GeanyEditor *editor, GeanyIndentType type, gint width);
 313
 314 void editor_set_line_wrapping(GeanyEditor *editor, gboolean wrap);
 315
 316 gboolean editor_goto_line(GeanyEditor *editor, gint line_no, gint offset);
 317
 318 void editor_set_indentation_guides(GeanyEditor *editor);
 319
 320 void editor_apply_update_prefs(GeanyEditor *editor);
 321
 322 gchar *editor_get_calltip_text(GeanyEditor *editor, const TMTag *tag);
 323
 324 void editor_toggle_fold(GeanyEditor *editor, gint line, gint modifiers);
 325
 326 #endif /* GEANY_PRIVATE */
 327
 328 G_END_DECLS
 329
 330 #endif /* GEANY_EDITOR_H */