Previously, the window sizes computed for xterm were a few pixels off,
and this could result in too few character cells being displayed.
This new version tries to read the window size increment from the
WM_NORMAL_HINTS property set by xterm, and base the computations on
that.
Previously, utf8_step_forward() and utf8_step_backward() left *count
unchanged if some parameter was invalid. Now, they properly store 0.
This flaw had no effect in practice, because all current callers pass
count=NULL, and invalid parameters shouldn't be used anyway.
form_state.state_cell is no longer used for FC_TEXT, FC_PASSWORD, nor FC_FILE.
Instead, get_link_cursor_offset() computes the cell with utf8_ptr2chars
(a new function) or utf8_ptr2cells. This shouldn't slow down ELinks too
much, as it's done only for the selected link and only once per redraw.
The left side of a scrolled input field is always aligned at a
character boundary. The right side might not be.
The new comments describe how the members were apparently intended to
be used. However, the implementation does not actually work when
CONFIG_UTF_8 is defined, and the current semantics do not even allow
an efficient implementation of long (mostly scrolled out) strings.
Surrogates are now treated the same way as out-of-range characters
like U+110000; if a link has such an access key, then the ECMAScript
accessKey property cannot be read. It seems currently impossible to
set such an access key though, because accesskey_string_to_unicode()
doesn't support multibyte characters yet.
Reported by Jonas Fonseca.
Also add an empty line above the label in init_tab; but there are
still several labels elsewhere that don't have empty lines above them.
The previous scheme incorrectly accepted 0xC1 0x80 as U+0040.
That could have been fixed by tweaking the loop, but the constant
array is surely easier to verify.
- Include arpa/inet.h to get hton* ntoh* functions.
- Use socklen_t instead of int.
- Try to define PF_INET to AF_INET if it doesn't exist.
Reported-by: Andy Tanenbaum <ast@cs.vu.nl>
In the previous version, invalid UTF-8 from a terminal caused
UCS_NO_CHAR (0xFFFFFFFD) to be stored in a term_event_key_T, resulting
in -3 which was then incidentally treated as an unassigned special key.
Now, invalid UTF-8 is instead mapped to UCS_REPLACEMENT_CHARACTER
and treated as a character. The fact that handle_interlink_event
calls term_send_ucs when it receives invalid UTF-8 makes it pretty
clear that this is how it was intended.
src/viewer/text/link.c (not changed in this commit) already referred
to UCS_REPLACEMENT_CHARACTER in a comment even though it was not
previously defined.
The message appears when the user has selected e.g. "Main mapping"
rather than an action inside it. Because the main mapping is a keymap,
ELinks must not tell the user to select a keymap.
whether we ought to add the conn->progress->start to
the conn->est_length. Currently displaying resuming works correctly with
ftp.task.gda.pl and ftp.pld-linux.org.
Restring the spaghetti in dump_to_file to fix a bug that was introduced
in commit 2a6125e3d0 whereby when
document.dump.codepage != "utf-8", the document itself was not output,
only the references list.
Decrement term->current_tab before calling delete_window() instead of after
deleting all backgrounded tabs, so get_tab_by_number() will see a
consistent value.
It cannot be restricted just to characters that have passed
check_kbd_label_key(), because hotkeys in strings received from
gettext must also be processed with it, and there we don't have
a struct term_event for check_kbd_label_key().
This causes the documented-slow cp2u() to be called in a loop, which
fortunately doesn't have very many iterations. If this is too slow,
then cp2u() can be rewritten, or the hotkeys can be cached in struct
widget or struct widget_data.
Note that check_kbd_label_key() does not yet allow non-ASCII
characters when CONFIG_UTF_8 is defined. Before they are allowed,
menu.c should also be updated.
According to Jonas Fonseca, if init_string(&canonical) fails, then it
anyway sets canonical.source = NULL and makes done_string(&canonical)
safe, even if canonical was previously uninitialized.
Actions can now be bound to e.g. Ctrl-Alt-A. The keybinding code also
supports other combinations of modifiers, like Shift-Ctrl-Up, but the
escape sequence decoder doesn't yet.
Don't let Ctrl-Alt-letter combinations open menus.
The cast is not necessary since we already check the bounds, but by using a
cast here, it hopefully makes it more obvious what the long comment above
is pointing out: namely that we put the value of a signed integer into an
unsigned char.
This fixes a bug: in the previous version, l_bind_key() modified the
buffer whose address lua_tostring() returned, even though that is not
allowed according to Lua documentation <http://www.lua.org/pil/24.2.2.html>.
The change affects the user interface: previously, if the user typed
"ctrl+cokebottle" in the "Add keybinding" dialog box, ELinks would
change the text in the widget to "Ctrl-cokebottle" before complaining
that the keystroke is invalid. Now, it leaves the widget unchanged.
This commit does not yet add const to parameters of parse_keystroke()
and related functions.
Before really_add_keybinding() is called, check_keystroke() calls
parse_keystroke(), which converts the modifier prefix to canonical
form: for example, "alt+f9" becomes "Alt-f9". This commit makes
really_add_keybinding() normally ignore that string and generate a
brand new one, e.g. "Alt-F9" (note the upper-case F), for its
"Keystroke already used" warning. Likewise, " " turns to "Space".
After this commit, it should be possible to change parse_keystroke()
to never write back into its input string.
If really_add_keybinding() cannot generate the string for some reason
(out of memory?), then it will use whatever parse_keystroke() has left
in the buffer. The alternatives would be to omit the keystroke name
from the warning or to reject the keybinding entirely; it isn't clear
what the best solution is here, but the one I implemented is closest
to the previous behaviour.
This requires compiling cp2u() in even without CONFIG_UTF_8.
I also added an is_kbd_character macro to make try_document_key
more resilient to changes in the definition of term_event_key_T.
The previous version used only the low 8 bits of the key code.
This one arranges for the whole key to be rejected if it's not ASCII.
Perhaps the modifiers should be checked too, but I'm not changing that now.
In revision 1.15 of dns.c (as it was called way back then), pasky
backported a fix from Links 0.97pre2 to try gethostbyaddr before
trying gethostbyname for DNS lookups:
MacOS address resolution fix (Aldy Hernandez) (from 0.97pre2)
However, that fix introduced a bug, because it was calling gethostbyaddr
on all addresses, not just IP addresses. Mikulas fixed that bug in Links
0.98:
Do not call gethostbyaddr when name is not ip address (it should avoid
some useless nameserver queries)'
This fix was never backported to ELinks. Until today.
This commit is functionally the same as the fix in Links 0.98, plus it uses
inet_aton for great correctness!
This fixes a bug reported in #elinks by tnks, whereby lookups for
yubnub.org resulted in 121.117.98.110 == 0x7975626E == 'y', 'u', 'b', 'n'.
I believe that it also fixes bug 691 (which is already closed with a
workaround).
To reproduce before this patch:
- Run ELinks with an 80x25 terminal.
- Set document.browse.forms.confirm_submit = 1.
- Go to <http://bugzilla.elinks.cz/query.cgi>.
- Click the [ Search ] submit button.
- ELinks asks "Do you want to post form data to URL".
Each line of the URL begins at the horizontal center of the dialog,
and bleeds outside the right border of the dialog. Also, the
[ Yes ] and [ No ] buttons appear to float below the dialog.
Previously, ELinks used to silently discard the Alt modifier from
Alt- keystrokes when UTF-8 I/O was enabled. Now, separate actions
can be bound to and Alt-.
However, if CONFIG_UTF_8 is defined, then actions cannot be bound to
non-ASCII characters, regardless of modifiers. This is because the
code that handles names of keystrokes assumes a character can only be
a single byte. This commit does not change that.
Form fields and BFU text-input widgets then convert from UCS-4 to UTF-8.
If not all UTF-8 bytes fit, they don't insert anything. Thus it is no
longer possible to get invalid UTF-8 by hitting the length limit.
It is unclear to me which charset is supposed to be used for strings
in internal buffers. I made BFU insert UTF-8 whenever CONFIG_UTF_8,
but form fields use the charset of the terminal; that may have to be
changed.
As a side effect, this change should solve bug 782, because
term_send_ucs no longer encodes in UTF-8 if CONFIG_UTF_8 is defined.
I think the UTF-8 and codepage encoding calls I added are safe, too.
A similar bug may still surface somewhere else, but 782 could be
closed for now.
This change also lays the foundation for binding actions to non-ASCII
keys, but the keystroke name parser doesn't yet support that.
The CONFIG_UTF_8 mode does not currently support non-ASCII characters
in hot keys, either.
There is no need to check whether ev->ev == EVENT_KBD;
if decode_terminal_escape_sequence called
decode_terminal_mouse_escape_sequence, then the former neither modified
kbd.key nor passed &kbd to the latter, so kbd.key remains KBD_UNDEF.
If ev->ev was not checked, then it should not be trusted either.
So reinitialize the whole *ev if a keyboard event was indeed found.
For instance, if Ctrl-F1 were pressed and src/terminal/kbd.c supported it,
then toupper(KBD_F1) would be called, resulting in undefined behaviour.
src/terminal/kbd.c does not support such combinations yet, but it is
safest to fix the bug already.
... since the latter is for printing int64_T and we don't check for that and
we use PRId64 only for printing values having the off_t types.
Besides off_t has it's own ELinks specific defaults so it should be safer
to use an internal format string. If off_t is 8 bytes use "lld" else use
"ld".
Reported-by: Andy Tanenbaum <ast@cs.vu.nl>
Drop some code for superscript and subscript handling that was deleted
in commit 65016cdca4, then added back
with the UTF-8 merge in commit 2a6125e3d0,
and then disabled in commit 1b653b9765.
Also list the capnames with which the escape sequences could be
read from Terminfo, and the ECMA-48 interpretations of the bytes
(parenthesized if they seem unrelated to the keys). This is in
preparation for fixing bug 96.
decode_terminal_escape_sequence() used to handle both, but
there is now a separate decode_terminal_application_key()
for ESC O. I have not yet edited decode_terminal_escape_sequence();
there may be dead code in it.
If there is e.g. ESC [ in the input buffer, combine that to Alt-[.
Check the first character too; don't blindly assume it is ESC, as
it can be NUL as well. Note this means you can no longer activate
the main menu by pressing Ctrl-@ (or Ctrl-Space on some terminals).
Otherwise, the timeout could cause ELinks to resume reading from
the terminal device while another process is still using it.
This actually happened in a test.
On entry to some functions that could resume reading from the device,
assert that the terminal has not been blocked.
To reproduce the bug before this patch:
Enable CONFIG_UTF_8, UTF-8 I/O, and UTF-8 charset.
Go to www.google.com and type "abc" in the text input field.
Then press Left. The cursor jumps to "a" when it should go to "c".
to encode it using utf_8_to_unicode. If every unicode_val_T value
could be a result of that function then one must add out param
to the utf_8_to_unicode signaling 'true' UCS_NO_CHAR.
GPM is awful, tho', and this is an ugly hack. Why can't it just report
buttons like everyone else?
Another nice thing is that we don't seem to get the wheel events more
frequently than once in a second or so. Therefore it will work properly
only when you scroll slooooowly. :^)
When the user presses enter during a text type-ahead search, simply cancel
the search without additionally following the current link. Link type-ahead
searching still will follow the active link on enter.
using magic ;)
Now in resume mode connection is always interrupted
and resumed. Even when all file is downloaded from beginning
conection will be resumed from old end of file. Feel free to fix it.
In protocol/common.c length of string is known, so pass it
instead of -1 to encode_uri_string.
Introduced encode_win32_uri_string, because there were problems
with : and \ in base href.
Don't call clear_dialog, which sets the focus to the listbox. Neither the
button widget nor the listbox widget has a clear callback, and the only
other thing that clear_dialog does is focus the first widget and redraw, so
call redraw_dialog instead.
Thanks to Kalle Olavi Niemitalo for noticing the issue.
Make move_up and move_down return no value. Instead, save the old y value
and compare it to the new after calling move_up or move_down in
move_page_up or move_page_down, respectively.
This fixes a bug where if given a prefix, if that prefix specified a number
of pages greater than move-page-up actually scrolled, there would be no
screen update, because the last call to move_up would return FRAME_EVENT_OK
which would be returned from move_page_up, even tho move_page_up would have
previously returned FRAME_EVENT_REFRESH.
Don't try the key as an accesskey if a menu was opened, whether it was just
the main menu or whether it was a submenu of the menu menu (we would try
the key as an accesskey in the latter case).
In send_kbd_event, replace the KBD_MOD_ALT modifier when trying the key as
an accesskey rather than when we don't.
Commit 3ce3f01f30 introduced a bug whereby
if a tab set the current position in the line to or greater than the number
of bytes remaining in the source, the line was split after the tab.
Delete the FREE_LIST flag from mi_no_ext so that free_menu_items doesn't
try to free static memory.
This fixes a crash reproducible by deleting every entry under Setup -> File
extensions, opening said menu, and then closing said menu.
Simplify do_move_bookmarks (from a readability perspective) by replacing
the destb and desti parameters with a new insert_as_child flag. Inspired
by Kalle Olavi Niemitalo.
do_move_bookmark was only updating the selection in the bookmarks manager
window in which the Move button was pressed. Now all windows are updated.
This patch also prevents a crash when the first item that was displayed
in a box was the last child of a folder and was being moved (the comment
removed in this patch was incorrect in assuming that bm->box->next must
be valid because it neglected to account for non-root children).
This change required that I move the definition of struct
hierbox_dialog_list_item from src/bfu/hierbox.c to src/bfu/hierbox.h.
Thanks to Kalle Olavi Niemitalo for finding both the update problem
and the crash.
Before, when one assigned a value other than a function to
elinks.preformat_html, elinks.goto_url_hook, or elinks.follow_url_hook,
an assertion failure was triggered (and probably worse happened in
non-DEBUG builds). Now just fail silently.
Increment conn->from by the length of the data so that when
abort_connection calls normalize_cache_entry, it doesn't truncate the
cache entry to 0 length.
It is similar to lua's execute and let's you run a command line in
'non-blocking' mode. Example:
elinks.keymaps.main["F"] = function () {
elinks.execute("firefox " + elinks.location);
};
All cookies are now constructed with the new function init_cookie.
Requested by Miciah Dashiel Butler Masters.
This also fixes a bug where the "Add cookie" button left cookie->path == NULL,
causing a crash later when deciding whether to send the cookie to the server.
Mostly this makes set_cookie more complex, as it now distinguishes
between HEADER_PARAM_NOT_FOUND and HEADER_PARAM_OUT_OF_MEMORY, and kills the cookie in the
latter case. However, the cookie->secure check became simpler.
Its return value is now an enum that lets callers know whether an
error occurred. However, this commit changes the callers only
minimally, so they do not yet check the return value.
Previously, it was a pointer to a separately allocated struct attributes,
of which only the LIST_HEAD members were actually used.
All init_list calls now operate on struct list_head.
This change may also reduce memory usage for reading bookmarks.
Also, add the server in the done_handler_T of the "OK" button,
rather than in the widget_handler_T of the "Server name" field
(which check_dialog calls). This change implies that the dialog
is closed even if an error occurs while adding the server, but
that seems to be customary elsewhere in ELinks too.
src/cookies/dialogs.c (set_server): Set up a struct cookie and pass it
to accept_cookie, instead of calling set_cookie which might ask the user
to confirm. (This change also removes a dubious use of struct uri.)
src/cookies/cookies.c (get_cookie_server): No longer static.
src/cookies/cookies.h (get_cookie_server): Declare.
With regular comments in the definition of the structure itself,
and with xgettext:c-format comments in constants of that type,
if xgettext would otherwise guess wrong; so that translators
will know they'll have to double any percent signs they add.
I didn't regenerate PO files, though.
In html_subscript, html_subscript_close, html_superscript, html_quote, and
html_quote_close, use put_chrs instead of html_context->put_chars_f.
Element handlers should use put_chrs so that it can correctly handle
whitespace and stuff.
Instead of saving the old link colours when selecting a link and using that
to restore them when unselecting it, just copy the data from the document.
- Eliminate struct link_bg and the .link_bg and .link_bg_n members
of struct document_view.
- Eliminate the free_link routine and don't call it from draw_doc,
clear_link, or detach_formatted.
- Add a .old_current_link member to struct view_state and initialise it in
init_vs.
- Don't save link_bg in draw_current_link.
- Rewrite clear_link to use the document data instead of link_bg.
- Modify init_link_drawing not to allocate ling_bg and to return a pointer
to a static variable for the template character.
Introduce html_subscript_close callback. Draw opening and closing brackets
and carets for subscript and superscript text directly in the element
handlers rather than performing weirdness in the renderer. This both
improves readability and fixes bug 284, misplaced brackets with subscripts.
Add close callbacks html_html_close, html_style_close, and
html_xmp_close. end_element now calls the element close callback instead
of performing special handling for certain tags.
src/bfu/menu.c (scroll_menu): Let neither menu->selected nor pos
become -2.
src/bfu/menu.c (menu_mouse_handler): Call set_menu_selection directly
rather than via scroll_menu, as sel is already known to be selectable.
(Not required for fixing the bug.)
src/bfu/menu.c (menu_search_handler): Break infinite loops also if
menu->selected is -1 initially.
src/bfu/menu.c (menu_handler): Instead of tweaking menu->selected
directly, let scroll_menu do it.
