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Convert 0-based offsets to lua's 1-based ones and back

master
Yevgen Muntyan 2007-12-01 15:16:33 -06:00
parent 5024bb38e3
commit 97cf48c18b
2 changed files with 55 additions and 45 deletions
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5
moo/mooedit/Makefile.am
View File

@ -17,7 +17,8 @@ lua_sources = \
mooedit-lua.h
unix_sources = \
moocommand-unx.c
moocommand-unx.c \
moocommand-unx.h
mooedit_include_headers = \
moocmdview.h \
@ -57,7 +58,7 @@ mooedit_sources = \
moocommand.c \
moocommanddisplay.c \
moocommanddisplay.h \
moocommand-unx.h \
moocommand-exe.h \
moocommand.h \
moocommand-private.h \
mooeditaction.c \

95
moo/mooedit/mooedit-lua.c
View File

@ -449,38 +449,17 @@ delete_from_cursor (GtkTextView *doc,
scroll_to_cursor (doc);
}
static void
delete_range (GtkTextView *doc,
int start_offset,
int end_offset)
{
GtkTextIter start, end;
GtkTextBuffer *buffer;
buffer = gtk_text_view_get_buffer (doc);
gtk_text_buffer_get_iter_at_offset (buffer, &start, start_offset);
gtk_text_buffer_get_iter_at_offset (buffer, &end, end_offset);
gtk_text_buffer_delete (buffer, &start, &end);
}
static int
cfunc_delete (lua_State *L)
{
int arg1 = G_MAXINT, arg2 = G_MAXINT;
int n = 1;
GtkTextView *doc;
CHECK_DOC (L, doc);
parse_args (L, "Delete", "|ii", &arg1, &arg2);
parse_args (L, "Delete", "|i", &n);
if (arg2 == G_MAXINT)
{
luaL_argcheck (L, arg1 >= 0, 1, "must be positive");
delete_from_cursor (doc, arg1);
}
else
{
luaL_argcheck (L, arg1 > 0, 1, "must be positive");
delete_range (doc, arg1, arg2);
}
luaL_argcheck (L, n > 0, 1, "must be positive");
delete_from_cursor (doc, n);
return 0;
}
@ -696,7 +675,7 @@ cfunc_insert (lua_State *L)
}
static int
cfunc_insert_at (lua_State *L)
cfunc_insert_text (lua_State *L)
{
int i, n_args;
int offset;
@ -712,7 +691,7 @@ cfunc_insert_at (lua_State *L)
offset = lua_tonumber (L, 1);
buffer = gtk_text_view_get_buffer (doc);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, offset);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, offset - 1);
for (i = 2; i <= n_args; ++i)
{
@ -783,7 +762,7 @@ cfunc_get_insert (lua_State *L)
gtk_text_buffer_get_iter_at_mark (buffer, &iter,
gtk_text_buffer_get_insert (buffer));
lua_pushnumber (L, gtk_text_iter_get_offset (&iter));
lua_pushnumber (L, gtk_text_iter_get_offset (&iter) + 1);
return 1;
}
@ -800,8 +779,8 @@ cfunc_get_selection_bounds (lua_State *L)
buffer = gtk_text_view_get_buffer (doc);
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
lua_pushnumber (L, gtk_text_iter_get_offset (&start));
lua_pushnumber (L, gtk_text_iter_get_offset (&end));
lua_pushnumber (L, gtk_text_iter_get_offset (&start) + 1);
lua_pushnumber (L, gtk_text_iter_get_offset (&end) + 1);
return 2;
}
@ -822,9 +801,9 @@ cfunc_get_line (lua_State *L)
gtk_text_buffer_get_iter_at_mark (buffer, &iter,
gtk_text_buffer_get_insert (buffer));
else
gtk_text_buffer_get_iter_at_offset (buffer, &iter, pos);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, pos - 1);
lua_pushnumber (L, gtk_text_iter_get_line (&iter));
lua_pushnumber (L, gtk_text_iter_get_line (&iter) + 1);
return 1;
}
@ -845,11 +824,11 @@ cfunc_line_start (lua_State *L)
gtk_text_buffer_get_iter_at_mark (buffer, &iter,
gtk_text_buffer_get_insert (buffer));
else
gtk_text_buffer_get_iter_at_offset (buffer, &iter, pos);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, pos - 1);
gtk_text_iter_set_line_offset (&iter, 0);
lua_pushnumber (L, gtk_text_iter_get_offset (&iter));
lua_pushnumber (L, gtk_text_iter_get_offset (&iter) + 1);
return 1;
}
@ -870,12 +849,12 @@ cfunc_line_end (lua_State *L)
gtk_text_buffer_get_iter_at_mark (buffer, &iter,
gtk_text_buffer_get_insert (buffer));
else
gtk_text_buffer_get_iter_at_offset (buffer, &iter, pos);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, pos - 1);
if (!gtk_text_iter_ends_line (&iter))
gtk_text_iter_forward_to_line_end (&iter);
lua_pushnumber (L, gtk_text_iter_get_offset (&iter));
lua_pushnumber (L, gtk_text_iter_get_offset (&iter) + 1);
return 1;
}
@ -890,6 +869,7 @@ cfunc_forward_line (lua_State *L)
CHECK_DOC (L, doc);
parse_args (L, "ForwardLine", "|ii", &pos, &n_lines);
luaL_argcheck (L, n_lines > 0, 2, "must be positive");
buffer = gtk_text_view_get_buffer (doc);
@ -897,12 +877,12 @@ cfunc_forward_line (lua_State *L)
gtk_text_buffer_get_iter_at_mark (buffer, &iter,
gtk_text_buffer_get_insert (buffer));
else
gtk_text_buffer_get_iter_at_offset (buffer, &iter, pos);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, pos - 1);
if (gtk_text_iter_forward_line (&iter))
{
gtk_text_iter_forward_lines (&iter, n_lines - 1);
lua_pushnumber (L, gtk_text_iter_get_offset (&iter));
lua_pushnumber (L, gtk_text_iter_get_offset (&iter) + 1);
}
else
{
@ -923,6 +903,7 @@ cfunc_backward_line (lua_State *L)
CHECK_DOC (L, doc);
parse_args (L, "BackwardLine", "|ii", &pos, &n_lines);
luaL_argcheck (L, n_lines > 0, 2, "must be positive");
buffer = gtk_text_view_get_buffer (doc);
@ -930,12 +911,12 @@ cfunc_backward_line (lua_State *L)
gtk_text_buffer_get_iter_at_mark (buffer, &iter,
gtk_text_buffer_get_insert (buffer));
else
gtk_text_buffer_get_iter_at_offset (buffer, &iter, pos);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, pos - 1);
if (gtk_text_iter_get_line (&iter) != 0)
{
gtk_text_iter_backward_lines (&iter, n_lines);
lua_pushnumber (L, gtk_text_iter_get_offset (&iter));
lua_pushnumber (L, gtk_text_iter_get_offset (&iter) + 1);
}
else
{
@ -958,8 +939,8 @@ cfunc_get_text (lua_State *L)
parse_args (L, "GetText", "ii", &start_offset, &end_offset);
buffer = gtk_text_view_get_buffer (doc);
gtk_text_buffer_get_iter_at_offset (buffer, &start, start_offset);
gtk_text_buffer_get_iter_at_offset (buffer, &end, end_offset);
gtk_text_buffer_get_iter_at_offset (buffer, &start, start_offset - 1);
gtk_text_buffer_get_iter_at_offset (buffer, &end, end_offset - 1);
gtk_text_iter_order (&start, &end);
text = gtk_text_buffer_get_slice (buffer, &start, &end, TRUE);
@ -969,6 +950,33 @@ cfunc_get_text (lua_State *L)
return 1;
}
static void
delete_range (GtkTextView *doc,
int start_offset,
int end_offset)
{
GtkTextIter start, end;
GtkTextBuffer *buffer;
buffer = gtk_text_view_get_buffer (doc);
gtk_text_buffer_get_iter_at_offset (buffer, &start, start_offset - 1);
gtk_text_buffer_get_iter_at_offset (buffer, &end, end_offset - 1);
gtk_text_buffer_delete (buffer, &start, &end);
}
static int
cfunc_delete_text (lua_State *L)
{
int start, end;
GtkTextView *doc;
CHECK_DOC (L, doc);
parse_args (L, "DeleteText", "ii", &start, &end);
delete_range (doc, start, end);
return 0;
}
#define DEFINE_SIGNAL_FUNC(name,sig,Name) \
static int \
@ -1004,7 +1012,8 @@ add_text_api (lua_State *L)
lua_register (L, "Insert", cfunc_insert);
lua_register (L, "InsertPlaceholder", cfunc_insert_placeholder);
lua_register (L, "NewLine", cfunc_new_line);
lua_register (L, "InsertAt", cfunc_insert_at);
lua_register (L, "InsertText", cfunc_insert_text);
lua_register (L, "DeleteText", cfunc_delete_text);
lua_register (L, "GetInsert", cfunc_get_insert);
lua_register (L, "GetLine", cfunc_get_line);
lua_register (L, "GetSelectionBounds", cfunc_get_selection_bounds);