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editor.c
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editor.c
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/*
* editor.c - this file is part of Geany, a fast and lightweight IDE
*
* Copyright 2005 The Geany contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/**
* @file editor.h
* Editor-related functions for @ref GeanyEditor.
* Geany uses the Scintilla editing widget, and this file is mostly built around
* Scintilla's functionality.
* @see sciwrappers.h.
*/
/* Callbacks for the Scintilla widget (ScintillaObject).
* Most important is the sci-notify callback, handled in on_editor_notification().
* This includes auto-indentation, comments, auto-completion, calltips, etc.
* Also some general Scintilla-related functions.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "editor.h"
#include "app.h"
#include "callbacks.h"
#include "dialogs.h"
#include "documentprivate.h"
#include "filetypesprivate.h"
#include "geanyobject.h"
#include "highlighting.h"
#include "keybindings.h"
#include "main.h"
#include "prefs.h"
#include "projectprivate.h"
#include "sciwrappers.h"
#include "support.h"
#include "symbols.h"
#include "templates.h"
#include "ui_utils.h"
#include "utils.h"
#include "SciLexer.h"
#include <ctype.h>
#include <string.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
static GHashTable *snippet_hash = NULL;
static GtkAccelGroup *snippet_accel_group = NULL;
static gboolean autocomplete_scope_shown = FALSE;
static const gchar geany_cursor_marker[] = "__GEANY_CURSOR_MARKER__";
/* holds word under the mouse or keyboard cursor */
static gchar current_word[GEANY_MAX_WORD_LENGTH];
/* Initialised in keyfile.c. */
GeanyEditorPrefs editor_prefs;
EditorInfo editor_info = {current_word, -1};
static struct
{
gchar *text;
gboolean set;
gchar *last_word;
guint tag_index;
gint pos;
ScintillaObject *sci;
} calltip = {NULL, FALSE, NULL, 0, 0, NULL};
static gchar indent[100];
static void on_new_line_added(GeanyEditor *editor);
static gboolean handle_xml(GeanyEditor *editor, gint pos, gchar ch);
static void insert_indent_after_line(GeanyEditor *editor, gint line);
static void auto_multiline(GeanyEditor *editor, gint pos);
static void auto_close_chars(ScintillaObject *sci, gint pos, gchar c);
static void close_block(GeanyEditor *editor, gint pos);
static void editor_highlight_braces(GeanyEditor *editor, gint cur_pos);
static void read_current_word(GeanyEditor *editor, gint pos, gchar *word, gsize wordlen,
const gchar *wc, gboolean stem);
static gsize count_indent_size(GeanyEditor *editor, const gchar *base_indent);
static const gchar *snippets_find_completion_by_name(const gchar *type, const gchar *name);
static void snippets_make_replacements(GeanyEditor *editor, GString *pattern);
static GeanyFiletype *editor_get_filetype_at_line(GeanyEditor *editor, gint line);
static gboolean sci_is_blank_line(ScintillaObject *sci, gint line);
void editor_snippets_free(void)
{
g_hash_table_destroy(snippet_hash);
gtk_window_remove_accel_group(GTK_WINDOW(main_widgets.window), snippet_accel_group);
}
static void snippets_load(GKeyFile *sysconfig, GKeyFile *userconfig)
{
gsize i, j, len = 0, len_keys = 0;
gchar **groups_user, **groups_sys;
gchar **keys_user, **keys_sys;
gchar *value;
GHashTable *tmp;
/* keys are strings, values are GHashTables, so use g_free and g_hash_table_destroy */
snippet_hash =
g_hash_table_new_full(g_str_hash, g_str_equal, g_free, (GDestroyNotify) g_hash_table_destroy);
/* first read all globally defined auto completions */
groups_sys = g_key_file_get_groups(sysconfig, &len);
for (i = 0; i < len; i++)
{
if (strcmp(groups_sys[i], "Keybindings") == 0)
continue;
keys_sys = g_key_file_get_keys(sysconfig, groups_sys[i], &len_keys, NULL);
/* create new hash table for the read section (=> filetype) */
tmp = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
g_hash_table_insert(snippet_hash, g_strdup(groups_sys[i]), tmp);
for (j = 0; j < len_keys; j++)
{
g_hash_table_insert(tmp, g_strdup(keys_sys[j]),
utils_get_setting_string(sysconfig, groups_sys[i], keys_sys[j], ""));
}
g_strfreev(keys_sys);
}
g_strfreev(groups_sys);
/* now read defined completions in user's configuration directory and add / replace them */
groups_user = g_key_file_get_groups(userconfig, &len);
for (i = 0; i < len; i++)
{
if (strcmp(groups_user[i], "Keybindings") == 0)
continue;
keys_user = g_key_file_get_keys(userconfig, groups_user[i], &len_keys, NULL);
tmp = g_hash_table_lookup(snippet_hash, groups_user[i]);
if (tmp == NULL)
{ /* new key found, create hash table */
tmp = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
g_hash_table_insert(snippet_hash, g_strdup(groups_user[i]), tmp);
}
for (j = 0; j < len_keys; j++)
{
value = g_hash_table_lookup(tmp, keys_user[j]);
if (value == NULL)
{ /* value = NULL means the key doesn't yet exist, so insert */
g_hash_table_insert(tmp, g_strdup(keys_user[j]),
utils_get_setting_string(userconfig, groups_user[i], keys_user[j], ""));
}
else
{ /* old key and value will be freed by destroy function (g_free) */
g_hash_table_replace(tmp, g_strdup(keys_user[j]),
utils_get_setting_string(userconfig, groups_user[i], keys_user[j], ""));
}
}
g_strfreev(keys_user);
}
g_strfreev(groups_user);
}
static gboolean on_snippet_keybinding_activate(gchar *key)
{
GeanyDocument *doc = document_get_current();
const gchar *s;
if (!doc || !gtk_widget_has_focus(GTK_WIDGET(doc->editor->sci)))
return FALSE;
s = snippets_find_completion_by_name(doc->file_type->name, key);
if (!s) /* allow user to specify keybindings for "special" snippets */
{
GHashTable *specials = g_hash_table_lookup(snippet_hash, "Special");
if (G_LIKELY(specials != NULL))
s = g_hash_table_lookup(specials, key);
}
if (!s)
{
utils_beep();
return FALSE;
}
editor_insert_snippet(doc->editor, sci_get_current_position(doc->editor->sci), s);
sci_scroll_caret(doc->editor->sci);
return TRUE;
}
static void add_kb(GKeyFile *keyfile, const gchar *group, gchar **keys)
{
gsize i;
if (!keys)
return;
for (i = 0; i < g_strv_length(keys); i++)
{
guint key;
GdkModifierType mods;
gchar *accel_string = g_key_file_get_value(keyfile, group, keys[i], NULL);
gtk_accelerator_parse(accel_string, &key, &mods);
if (key == 0 && mods == 0)
{
g_warning("Can not parse accelerator \"%s\" from user snippets.conf", accel_string);
g_free(accel_string);
continue;
}
g_free(accel_string);
gtk_accel_group_connect(snippet_accel_group, key, mods, 0,
g_cclosure_new_swap((GCallback)on_snippet_keybinding_activate,
g_strdup(keys[i]), (GClosureNotify)g_free));
}
}
static void load_kb(GKeyFile *sysconfig, GKeyFile *userconfig)
{
const gchar kb_group[] = "Keybindings";
gchar **keys = g_key_file_get_keys(userconfig, kb_group, NULL, NULL);
gchar **ptr;
/* remove overridden keys from system keyfile */
foreach_strv(ptr, keys)
g_key_file_remove_key(sysconfig, kb_group, *ptr, NULL);
add_kb(userconfig, kb_group, keys);
g_strfreev(keys);
keys = g_key_file_get_keys(sysconfig, kb_group, NULL, NULL);
add_kb(sysconfig, kb_group, keys);
g_strfreev(keys);
}
void editor_snippets_init(void)
{
gchar *sysconfigfile, *userconfigfile;
GKeyFile *sysconfig = g_key_file_new();
GKeyFile *userconfig = g_key_file_new();
sysconfigfile = g_build_filename(app->datadir, "snippets.conf", NULL);
userconfigfile = g_build_filename(app->configdir, "snippets.conf", NULL);
/* check for old autocomplete.conf files (backwards compatibility) */
if (! g_file_test(userconfigfile, G_FILE_TEST_IS_REGULAR))
SETPTR(userconfigfile, g_build_filename(app->configdir, "autocomplete.conf", NULL));
/* load the actual config files */
g_key_file_load_from_file(sysconfig, sysconfigfile, G_KEY_FILE_NONE, NULL);
g_key_file_load_from_file(userconfig, userconfigfile, G_KEY_FILE_NONE, NULL);
snippets_load(sysconfig, userconfig);
/* setup snippet keybindings */
snippet_accel_group = gtk_accel_group_new();
gtk_window_add_accel_group(GTK_WINDOW(main_widgets.window), snippet_accel_group);
load_kb(sysconfig, userconfig);
g_free(sysconfigfile);
g_free(userconfigfile);
g_key_file_free(sysconfig);
g_key_file_free(userconfig);
}
static gboolean on_editor_button_press_event(GtkWidget *widget, GdkEventButton *event,
gpointer data)
{
GeanyEditor *editor = data;
GeanyDocument *doc = editor->document;
/* it's very unlikely we got a 'real' click even on 0, 0, so assume it is a
* fake event to show the editor menu triggered by a key event where we want to use the
* text cursor position. */
if (event->x > 0.0 && event->y > 0.0)
editor_info.click_pos = sci_get_position_from_xy(editor->sci,
(gint)event->x, (gint)event->y, FALSE);
else
editor_info.click_pos = sci_get_current_position(editor->sci);
if (event->button == 1)
{
guint state = keybindings_get_modifiers(event->state);
if (event->type == GDK_BUTTON_PRESS && editor_prefs.disable_dnd)
{
gint ss = sci_get_selection_start(editor->sci);
sci_set_selection_end(editor->sci, ss);
}
if (event->type == GDK_BUTTON_PRESS && state == GEANY_PRIMARY_MOD_MASK)
{
sci_set_current_position(editor->sci, editor_info.click_pos, FALSE);
editor_find_current_word(editor, editor_info.click_pos,
current_word, sizeof current_word, NULL);
if (*current_word)
return symbols_goto_tag(current_word, TRUE);
else
keybindings_send_command(GEANY_KEY_GROUP_GOTO, GEANY_KEYS_GOTO_MATCHINGBRACE);
return TRUE;
}
return document_check_disk_status(doc, FALSE);
}
/* calls the edit popup menu in the editor */
if (event->button == 3)
{
gboolean can_goto;
/* ensure the editor widget has the focus after this operation */
gtk_widget_grab_focus(widget);
editor_find_current_word(editor, editor_info.click_pos,
current_word, sizeof current_word, NULL);
can_goto = sci_has_selection(editor->sci) || current_word[0] != '\0';
ui_update_popup_goto_items(can_goto);
ui_update_popup_copy_items(doc);
ui_update_insert_include_item(doc, 0);
g_signal_emit_by_name(geany_object, "update-editor-menu",
current_word, editor_info.click_pos, doc);
ui_menu_popup(GTK_MENU(main_widgets.editor_menu), NULL, NULL, event->button, event->time);
return TRUE;
}
return FALSE;
}
static gboolean is_style_php(gint style)
{
if ((style >= SCE_HPHP_DEFAULT && style <= SCE_HPHP_OPERATOR) ||
style == SCE_HPHP_COMPLEX_VARIABLE)
{
return TRUE;
}
return FALSE;
}
static gint editor_get_long_line_type(void)
{
if (app->project)
switch (app->project->priv->long_line_behaviour)
{
case 0: /* marker disabled */
return 2;
case 1: /* use global settings */
break;
case 2: /* custom (enabled) */
return editor_prefs.long_line_type;
}
if (!editor_prefs.long_line_enabled)
return 2;
else
return editor_prefs.long_line_type;
}
static gint editor_get_long_line_column(void)
{
if (app->project && app->project->priv->long_line_behaviour != 1 /* use global settings */)
return app->project->priv->long_line_column;
else
return editor_prefs.long_line_column;
}
#define get_project_pref(id)\
(app->project ? app->project->priv->id : editor_prefs.id)
static const GeanyEditorPrefs *
get_default_prefs(void)
{
static GeanyEditorPrefs eprefs;
eprefs = editor_prefs;
/* project overrides */
eprefs.indentation = (GeanyIndentPrefs*)editor_get_indent_prefs(NULL);
eprefs.long_line_type = editor_get_long_line_type();
eprefs.long_line_column = editor_get_long_line_column();
eprefs.line_wrapping = get_project_pref(line_wrapping);
eprefs.line_break_column = get_project_pref(line_break_column);
eprefs.auto_continue_multiline = get_project_pref(auto_continue_multiline);
return &eprefs;
}
/* Gets the prefs for the editor.
* Prefs can be different according to project or document.
* @warning Always get a fresh result instead of keeping a pointer to it if the editor/project
* settings may have changed, or if this function has been called for a different editor.
* @param editor The editor, or @c NULL to get the default prefs.
* @return The prefs. */
const GeanyEditorPrefs *editor_get_prefs(GeanyEditor *editor)
{
static GeanyEditorPrefs eprefs;
const GeanyEditorPrefs *dprefs = get_default_prefs();
/* Return the address of the default prefs to allow returning default and editor
* pref pointers without invalidating the contents of either. */
if (editor == NULL)
return dprefs;
eprefs = *dprefs;
eprefs.indentation = (GeanyIndentPrefs*)editor_get_indent_prefs(editor);
/* add other editor & document overrides as needed */
return &eprefs;
}
void editor_toggle_fold(GeanyEditor *editor, gint line, gint modifiers)
{
ScintillaObject *sci;
gint header;
g_return_if_fail(editor != NULL);
sci = editor->sci;
/* When collapsing a fold range whose starting line is offscreen,
* scroll the starting line to display at the top of the view.
* Otherwise it can be confusing when the document scrolls down to hide
* the folded lines. */
if ((sci_get_fold_level(sci, line) & SC_FOLDLEVELNUMBERMASK) > SC_FOLDLEVELBASE &&
!(sci_get_fold_level(sci, line) & SC_FOLDLEVELHEADERFLAG))
{
gint parent = sci_get_fold_parent(sci, line);
gint first = sci_get_first_visible_line(sci);
parent = SSM(sci, SCI_VISIBLEFROMDOCLINE, parent, 0);
if (first > parent)
SSM(sci, SCI_SETFIRSTVISIBLELINE, parent, 0);
}
/* find the fold header of the given line in case the one clicked isn't a fold point */
if (sci_get_fold_level(sci, line) & SC_FOLDLEVELHEADERFLAG)
header = line;
else
header = sci_get_fold_parent(sci, line);
if ((editor_prefs.unfold_all_children && ! (modifiers & SCMOD_SHIFT)) ||
(! editor_prefs.unfold_all_children && (modifiers & SCMOD_SHIFT)))
{
SSM(sci, SCI_FOLDCHILDREN, header, SC_FOLDACTION_TOGGLE);
}
else
{
SSM(sci, SCI_FOLDLINE, header, SC_FOLDACTION_TOGGLE);
}
}
static void on_margin_click(GeanyEditor *editor, SCNotification *nt)
{
/* left click to marker margin marks the line */
if (nt->margin == 1)
{
gint line = sci_get_line_from_position(editor->sci, nt->position);
/*sci_marker_delete_all(editor->sci, 1);*/
sci_toggle_marker_at_line(editor->sci, line, 1); /* toggle the marker */
}
/* left click on the folding margin to toggle folding state of current line */
else if (nt->margin == 2 && editor_prefs.folding)
{
gint line = sci_get_line_from_position(editor->sci, nt->position);
editor_toggle_fold(editor, line, nt->modifiers);
}
}
static void on_update_ui(GeanyEditor *editor, G_GNUC_UNUSED SCNotification *nt)
{
ScintillaObject *sci = editor->sci;
gint pos = sci_get_current_position(sci);
/* since Scintilla 2.24, SCN_UPDATEUI is also sent on scrolling though we don't need to handle
* this and so ignore every SCN_UPDATEUI events except for content and selection changes */
if (! (nt->updated & SC_UPDATE_CONTENT) && ! (nt->updated & SC_UPDATE_SELECTION))
return;
/* undo / redo menu update */
ui_update_popup_reundo_items(editor->document);
/* brace highlighting */
editor_highlight_braces(editor, pos);
ui_update_statusbar(editor->document, pos);
#if 0
/** experimental code for inverting selections */
{
gint i;
for (i = SSM(sci, SCI_GETSELECTIONSTART, 0, 0); i < SSM(sci, SCI_GETSELECTIONEND, 0, 0); i++)
{
/* need to get colour from getstyleat(), but how? */
SSM(sci, SCI_STYLESETFORE, STYLE_DEFAULT, 0);
SSM(sci, SCI_STYLESETBACK, STYLE_DEFAULT, 0);
}
sci_get_style_at(sci, pos);
}
#endif
}
static void check_line_breaking(GeanyEditor *editor, gint pos)
{
ScintillaObject *sci = editor->sci;
gint line, lstart, col;
gchar c;
if (!editor->line_breaking || sci_get_selection_mode(editor->sci) != SC_SEL_STREAM)
return;
col = sci_get_col_from_position(sci, pos);
line = sci_get_current_line(sci);
lstart = sci_get_position_from_line(sci, line);
/* use column instead of position which might be different with multibyte characters */
if (col < get_project_pref(line_break_column))
return;
/* look for the last space before line_break_column */
pos = sci_get_position_from_col(sci, line, get_project_pref(line_break_column));
while (pos > lstart)
{
c = sci_get_char_at(sci, --pos);
if (c == ' ')
{
gint diff, last_pos, last_col;
/* remember the distance between the current column and the last column on the line
* (we use column position in case the previous line gets altered, such as removing
* trailing spaces or in case it contains multibyte characters) */
last_pos = sci_get_line_end_position(sci, line);
last_col = sci_get_col_from_position(sci, last_pos);
diff = last_col - col;
/* break the line after the space */
sci_set_current_position(sci, pos + 1, FALSE);
sci_cancel(sci); /* don't select from completion list */
sci_send_command(sci, SCI_NEWLINE);
line++;
/* correct cursor position (might not be at line end) */
last_pos = sci_get_line_end_position(sci, line);
last_col = sci_get_col_from_position(sci, last_pos); /* get last column on line */
/* last column - distance is the desired column, then retrieve its document position */
pos = sci_get_position_from_col(sci, line, last_col - diff);
sci_set_current_position(sci, pos, FALSE);
sci_scroll_caret(sci);
return;
}
}
}
static void show_autocomplete(ScintillaObject *sci, gsize rootlen, GString *words)
{
/* hide autocompletion if only option is already typed */
if (rootlen >= words->len ||
(words->str[rootlen] == '?' && rootlen >= words->len - 2))
{
sci_send_command(sci, SCI_AUTOCCANCEL);
return;
}
/* store whether a calltip is showing, so we can reshow it after autocompletion */
calltip.set = (gboolean) SSM(sci, SCI_CALLTIPACTIVE, 0, 0);
SSM(sci, SCI_AUTOCSETORDER, SC_ORDER_CUSTOM, 0);
SSM(sci, SCI_AUTOCSHOW, rootlen, (sptr_t) words->str);
}
static void show_tags_list(GeanyEditor *editor, const GPtrArray *tags, gsize rootlen)
{
ScintillaObject *sci = editor->sci;
g_return_if_fail(tags);
if (tags->len > 0)
{
GString *words = g_string_sized_new(150);
guint j;
for (j = 0; j < tags->len; ++j)
{
TMTag *tag = tags->pdata[j];
gint group;
guint icon_id;
if (j > 0)
g_string_append_c(words, '\n');
if (j == editor_prefs.autocompletion_max_entries)
{
g_string_append(words, "...");
break;
}
g_string_append(words, tag->name);
group = tm_parser_get_sidebar_group(tag->lang, tag->type);
if (group >= 0 && tm_parser_get_sidebar_info(tag->lang, group, &icon_id))
{
gchar buf[10];
sprintf(buf, "?%u", icon_id + 1);
g_string_append(words, buf);
}
}
show_autocomplete(sci, rootlen, words);
g_string_free(words, TRUE);
}
}
static gint scope_autocomplete_suffix(ScintillaObject *sci, TMParserType lang,
gint pos, gboolean *scope_sep)
{
const gchar *sep = tm_parser_scope_separator(lang);
const gsize max_len = 3;
gboolean is_scope_sep;
gchar *buf;
buf = g_alloca(max_len + 1);
sci_get_text_range(sci, pos - max_len, pos, buf);
is_scope_sep = g_str_has_suffix(buf, sep);
if (scope_sep)
*scope_sep = is_scope_sep;
if (is_scope_sep)
return strlen(sep);
return tm_parser_scope_autocomplete_suffix(lang, buf);
}
static gboolean reshow_calltip(gpointer data)
{
GeanyDocument *doc;
g_return_val_if_fail(calltip.sci != NULL, FALSE);
SSM(calltip.sci, SCI_CALLTIPCANCEL, 0, 0);
doc = document_get_current();
if (doc && doc->editor->sci == calltip.sci)
{
/* we use the position where the calltip was previously started as SCI_GETCURRENTPOS
* may be completely wrong in case the user cancelled the auto completion with the mouse */
SSM(calltip.sci, SCI_CALLTIPSHOW, calltip.pos, (sptr_t) calltip.text);
}
return FALSE;
}
static void request_reshowing_calltip(SCNotification *nt)
{
if (calltip.set)
{
/* delay the reshow of the calltip window to make sure it is actually displayed,
* without it might be not visible on SCN_AUTOCCANCEL. the priority is set to
* low to hopefully make Scintilla's events happen before reshowing since they
* seem to re-cancel the calltip on autoc menu hiding too */
g_idle_add_full(G_PRIORITY_LOW, reshow_calltip, NULL, NULL);
}
}
static gboolean autocomplete_scope(GeanyEditor *editor, const gchar *root, gsize rootlen)
{
ScintillaObject *sci = editor->sci;
gint pos = sci_get_current_position(editor->sci);
gint line = sci_get_current_line(editor->sci) + 1;
gchar typed = sci_get_char_at(sci, pos - 1);
gchar brace_char;
gchar *name;
GeanyFiletype *ft = editor->document->file_type;
GPtrArray *tags;
gboolean function = FALSE;
gboolean member;
gboolean scope_sep_typed = FALSE;
gboolean ret = FALSE;
const gchar *current_scope;
gint autocomplete_suffix_len;
if (autocomplete_scope_shown)
{
/* move at the operator position */
pos -= rootlen;
/* allow for a space between word and operator */
while (pos > 0 && isspace(sci_get_char_at(sci, pos - 1)))
pos--;
if (pos > 0)
typed = sci_get_char_at(sci, pos - 1);
}
autocomplete_suffix_len = scope_autocomplete_suffix(sci, ft->lang, pos,
&scope_sep_typed);
if (autocomplete_suffix_len == 0)
return FALSE;
pos -= autocomplete_suffix_len;
/* allow for a space between word and operator */
while (pos > 0 && isspace(sci_get_char_at(sci, pos - 1)))
pos--;
/* if function or array index, skip to matching brace */
brace_char = sci_get_char_at(sci, pos - 1);
if (pos > 0 && (brace_char == ')' || brace_char == ']'))
{
gint brace_pos = sci_find_matching_brace(sci, pos - 1);
if (brace_pos != -1)
{
pos = brace_pos;
function = brace_char == ')';
}
/* allow for a space between opening brace and name */
while (pos > 0 && isspace(sci_get_char_at(sci, pos - 1)))
pos--;
}
name = editor_get_word_at_pos(editor, pos, NULL);
if (!name)
return FALSE;
/* check if invoked on member */
pos -= strlen(name);
while (pos > 0 && isspace(sci_get_char_at(sci, pos - 1)))
pos--;
member = scope_autocomplete_suffix(sci, ft->lang, pos, NULL) > 0;
if (symbols_get_current_scope(editor->document, ¤t_scope) == -1)
current_scope = "";
tags = tm_workspace_find_scope_members(editor->document->tm_file, name, function,
member, current_scope, line, scope_sep_typed);
if (tags)
{
GPtrArray *filtered = g_ptr_array_new();
TMTag *tag;
guint i;
foreach_ptr_array(tag, i, tags)
{
if (g_str_has_prefix(tag->name, root))
g_ptr_array_add(filtered, tag);
}
if (filtered->len > 0)
{
show_tags_list(editor, filtered, rootlen);
ret = TRUE;
}
g_ptr_array_free(tags, TRUE);
g_ptr_array_free(filtered, TRUE);
}
g_free(name);
return ret;
}
static void on_char_added(GeanyEditor *editor, SCNotification *nt)
{
ScintillaObject *sci = editor->sci;
gint pos = sci_get_current_position(sci);
switch (nt->ch)
{
case '\r':
{ /* simple indentation (only for CR format) */
if (sci_get_eol_mode(sci) == SC_EOL_CR)
on_new_line_added(editor);
break;
}
case '\n':
{ /* simple indentation (for CR/LF and LF format) */
on_new_line_added(editor);
break;
}
case '>':
editor_start_auto_complete(editor, pos, FALSE); /* C/C++ ptr-> scope completion */
/* fall through */
case '/':
{ /* close xml-tags */
handle_xml(editor, pos, nt->ch);
break;
}
case '(':
{
auto_close_chars(sci, pos, nt->ch);
/* show calltips */
editor_show_calltip(editor, --pos);
break;
}
case ')':
{ /* hide calltips */
if (SSM(sci, SCI_CALLTIPACTIVE, 0, 0))
{
SSM(sci, SCI_CALLTIPCANCEL, 0, 0);
}
g_free(calltip.text);
calltip.text = NULL;
calltip.pos = 0;
calltip.sci = NULL;
calltip.set = FALSE;
break;
}
case '{':
case '[':
case '"':
case '\'':
{
auto_close_chars(sci, pos, nt->ch);
break;
}
case '}':
{ /* closing bracket handling */
if (editor->auto_indent)
close_block(editor, pos - 1);
break;
}
/* scope autocompletion */
case '.':
case ':': /* C/C++ class:: syntax */
/* tag autocompletion */
default:
#if 0
if (! editor_start_auto_complete(editor, pos, FALSE))
request_reshowing_calltip(nt);
#else
editor_start_auto_complete(editor, pos, FALSE);
#endif
}
check_line_breaking(editor, pos);
}
/* expand() and fold_changed() are copied from SciTE (thanks) to fix #1923350. */
static void expand(ScintillaObject *sci, gint *line, gboolean doExpand,
gboolean force, gint visLevels, gint level)
{
gint lineMaxSubord = SSM(sci, SCI_GETLASTCHILD, *line, level & SC_FOLDLEVELNUMBERMASK);
gint levelLine = level;
(*line)++;
while (*line <= lineMaxSubord)
{
if (force)
{
if (visLevels > 0)
SSM(sci, SCI_SHOWLINES, *line, *line);
else
SSM(sci, SCI_HIDELINES, *line, *line);
}
else
{
if (doExpand)
SSM(sci, SCI_SHOWLINES, *line, *line);
}
if (levelLine == -1)
levelLine = SSM(sci, SCI_GETFOLDLEVEL, *line, 0);
if (levelLine & SC_FOLDLEVELHEADERFLAG)
{
if (force)
{
if (visLevels > 1)
SSM(sci, SCI_SETFOLDEXPANDED, *line, 1);
else
SSM(sci, SCI_SETFOLDEXPANDED, *line, 0);
expand(sci, line, doExpand, force, visLevels - 1, -1);
}
else
{
if (doExpand)
{
if (!sci_get_fold_expanded(sci, *line))
SSM(sci, SCI_SETFOLDEXPANDED, *line, 1);
expand(sci, line, TRUE, force, visLevels - 1, -1);
}
else
{
expand(sci, line, FALSE, force, visLevels - 1, -1);
}
}
}
else
{
(*line)++;
}
}
}
static void fold_changed(ScintillaObject *sci, gint line, gint levelNow, gint levelPrev)
{
if (levelNow & SC_FOLDLEVELHEADERFLAG)
{
if (! (levelPrev & SC_FOLDLEVELHEADERFLAG))
{
/* Adding a fold point */
SSM(sci, SCI_SETFOLDEXPANDED, line, 1);
if (!SSM(sci, SCI_GETALLLINESVISIBLE, 0, 0))
expand(sci, &line, TRUE, FALSE, 0, levelPrev);
}
}
else if (levelPrev & SC_FOLDLEVELHEADERFLAG)
{
if (! sci_get_fold_expanded(sci, line))
{ /* Removing the fold from one that has been contracted so should expand
* otherwise lines are left invisible with no way to make them visible */
SSM(sci, SCI_SETFOLDEXPANDED, line, 1);
if (!SSM(sci, SCI_GETALLLINESVISIBLE, 0, 0))
expand(sci, &line, TRUE, FALSE, 0, levelPrev);
}
}
if (! (levelNow & SC_FOLDLEVELWHITEFLAG) &&
((levelPrev & SC_FOLDLEVELNUMBERMASK) > (levelNow & SC_FOLDLEVELNUMBERMASK)))
{
if (!SSM(sci, SCI_GETALLLINESVISIBLE, 0, 0)) {
/* See if should still be hidden */
gint parentLine = sci_get_fold_parent(sci, line);
if (parentLine < 0)
{
SSM(sci, SCI_SHOWLINES, line, line);
}
else if (sci_get_fold_expanded(sci, parentLine) &&
sci_get_line_is_visible(sci, parentLine))
{
SSM(sci, SCI_SHOWLINES, line, line);
}
}
}
}
static void ensure_range_visible(ScintillaObject *sci, gint posStart, gint posEnd,
gboolean enforcePolicy)
{
gint lineStart = sci_get_line_from_position(sci, MIN(posStart, posEnd));
gint lineEnd = sci_get_line_from_position(sci, MAX(posStart, posEnd));
gint line;
for (line = lineStart; line <= lineEnd; line++)
{
SSM(sci, enforcePolicy ? SCI_ENSUREVISIBLEENFORCEPOLICY : SCI_ENSUREVISIBLE, line, 0);
}
}
static void auto_update_margin_width(GeanyEditor *editor)
{
gint next_linecount = 1;
gint linecount = sci_get_line_count(editor->sci);
GeanyDocument *doc = editor->document;
while (next_linecount <= linecount)
next_linecount *= 10;
if (editor->document->priv->line_count != next_linecount)
{
doc->priv->line_count = next_linecount;
sci_set_line_numbers(editor->sci, TRUE);
}
}