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* Support key bindings for all escape keysLars Henriksen2017-10-231-79/+89
| | | | | | | | | | | | | | | | | | | | | All key names for ordinary ASCII keys as well as for escape keys (pseudo keys) are cached in a lookup-table, keynames[], at startup. Mapping between key names (strings) and key codes (integers) in keys_str2int and keys_int2str) is performed through this table. The key names used are those returned by the keyname() function of ncurses. But to accommodate some of the names to the three-letter space available in the status menu, four ordinary keys and the most common escape keys have calcurse abbreviated names: ESC, TAB, RET, SPC and LFT, HOM, PgU, INS, F1, etc. All keys known by ncurses can be bound. Thus the check for not recognized keys in the key configuration menu becomes superfluous. The only keys that cannot be bound, are those escape keys not known to ncurses, i.e. not described by the terminfo database for the terminal type in use. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Updates for UTF-8 key bindingsLars Henriksen2017-10-231-32/+26
| | | | | | | | | | | | | | | | | | | | | Code point mapping adjusted for multibyte characters to avoid the ncurses range 0-KEY_MAX. This includes three fixes: 1) test sequence in keys_assign_binding(), 2) reassemble multi-byte character in keys_wgetch(), 3) check for already in use in keys_assign_binding(). Rearrangement of code. The introduction of allocated memory in keys_int2str() has as a consequence that check for recognized ncurses pseudo characters now are in two places: keys_str2int() and custom_keys_config(). The latter was moved from keys_wgetch() to improve user information. More informative warning messages in custom_keys_config(). Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Add a function to wait for any key pressLukas Fleischer2017-09-031-0/+5
| | | | | | | Introduce a new function keys_wait_for_any_key() and use it instead of wgetch() whenever the return value is discarded. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Add support for UTF-8 key bindingsLukas Fleischer2017-08-301-27/+107
| | | | | | | | | | | | | | | | A new function keys_wgetch() reads full UTF-8 characters instead of single ASCII characters only. Key bindings for regular ASCII characters are stored in a hash map while the actions of keys with higher code points are stored in a linked list for space efficiency. The key serialization methods are updated to handle UTF-8 characters as well; extended UTF-8 characters (characters not in the ASCII range) are serialized by using the hexadecimal representation of the corresponding code points (e.g. "U+00E4"). Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Rename keys_getch() to keys_get()Lukas Fleischer2017-08-301-2/+2
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Update copyright rangesLukas Fleischer2017-01-121-1/+1
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Update copyright rangesLukas Fleischer2016-01-301-1/+1
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Introduce starts_with() and starts_with_ci()Lukas Fleischer2015-02-241-39/+27
| | | | | | | | Create user-defined functions to check whether a string contains a certain prefix instead of messing around with strncmp() and strncasecmp(). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Update copyright rangesLukas Fleischer2015-02-071-1/+1
| | | | Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Use wins_set_bindings() for the configuration menuLukas Fleischer2014-07-181-6/+41
| | | | | | | Make use of the general key binding context switching implementation for the configuration main menu. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Make bindings always fill the whole status barLukas Fleischer2014-07-181-0/+2
| | | | | | | Compute padding for key bindings in the status bar such that they use all available space (without exceeding the given page size). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* keys.c: Merge keydef and binding_labelsLukas Fleischer2014-07-171-100/+51
| | | | Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Rework key binding context switchingLukas Fleischer2014-07-171-10/+61
| | | | | | | Store key binding contexts using another data structure to optimize space usage and execution time. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add a key binding to reload appointments and todosLukas Fleischer2014-07-161-1/+3
| | | | | | | This allows for reloading the appointment and todo item files without having to restart calcurse. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add command promptLukas Fleischer2013-07-171-0/+2
| | | | | | | | | | This adds support for vim-style command mode. The command mode can be entered with pressing ":" (by default, the key binding is configurable). Currently, no command is supported. Support for various commands will be added later. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Use tabs instead of spaces for indentationLukas Fleischer2013-04-141-432/+448
| | | | | | | | | | | This completes our switch to the Linux kernel coding style. Note that we still use deeply nested constructs at some places which need to be fixed up later. Converted using the `Lindent` script from the Linux kernel code base, along with some manual fixes. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Fix braces in if-else statementsLukas Fleischer2013-02-171-11/+10
| | | | | | | | | | From the Linux kernel coding guidelines: Do not unnecessarily use braces where a single statement will do. [...] This does not apply if one branch of a conditional statement is a single statement. Use braces in both branches. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Update copyright rangesLukas Fleischer2013-02-041-1/+1
| | | | | | | Add 2013 to the copyright range for all source and documentation files. Reported-by: Frederic Culot <frederic@culot.org> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* keys.c: Remove several unneeded assertionsLukas Fleischer2012-12-061-3/+3
| | | | | | Seen when compiling with clang and "-Wtautological-compare". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* keys_save_bindings(): Skip unset key bindingsLukas Fleischer2012-12-051-2/+6
| | | | | | | Saving unset key bindings currently results in a segmentation fault or invalid key specifiers being stored. Skip these entries to avoid this. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add new default key binding for generic-pasteLukas Fleischer2012-07-071-1/+1
| | | | | | Use "p" as an additional (vim-style) default binding for generic-paste. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Merge cut/deleteLukas Fleischer2012-07-071-2/+0
| | | | | | | Remove the cut function and merge it into the del-item command. This allows for vim-style cutting/pasting. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add support for copy/paste registersLukas Fleischer2012-07-071-4/+20
| | | | | | | | | | | | | | | | | This adds support for vim-style copy/paste registers which allows cutting and copying multiple items without having to overwrite the copy/paste buffer. Registers can be specified using the quote key ('"'). To access a register, type '"x' before a command where "x" is the name of a register. If you want to copy the currently selected item into register 1, type '"1c'. Valid registers are 0-9, a-z, "-" and "_". Note that the latter is the so-called black hole register, which works similar to the black hole register in vim. The register prefix key is currently hardcoded and cannot be configured. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add a key binding for generic-copyLukas Fleischer2012-07-061-0/+2
| | | | | | This finally adds full copy-paste support. Implements FR#15. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Do not bind "c" to "generic-config-menu" by defaultLukas Fleischer2012-07-061-1/+1
| | | | | | | | The "c" key will be used for the generic-copy command in the future. The configuration menu isn't needed a lot, so binding it to "C" only seems legit. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/keys.c: Fix help strings for generic-{cut,paste}Lukas Fleischer2012-06-181-2/+2
| | | | | Reported-by: rafael ff1 <rafael.f.f1@gmail.com> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/keys.c: Add vim-style default bindings for generic-*Lukas Fleischer2012-06-131-4/+4
| | | | | | | | | | Add vim-style key bindings for generic-prev-day, generic-next-day, generic-prev-week and generic-next-week in a fashion similar to what we use for generic-*-month and generic-*-year. The key "t"/"T" for generic-prev-day/generic-next-day is somewhat less than perfect but this is okay given that we're running out of keys... Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add key bindings to go to the previous/next month/yearLukas Fleischer2012-06-131-0/+17
| | | | | | | | | | In addition to generic key bindings for moving one day (week) forward/backward, define similar bindings for moving a month or a year. Of course, count prefixes are allowed here as well. Also add status bar hints and help texts. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Rename displacement enumeration elementsLukas Fleischer2012-06-131-7/+7
| | | | | | | | | | * Rename "LEFT" to "DAY_PREV", "RIGHT" to "DAY_NEXT", "UP" to "WEEK_PREV" and "DOWN" to "WEEK_NEXT" to reflect the semantics of these operations. Remove the unneeded "MOVES" element. * Reorder code to improve consistency. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Use mvwaddstr() instead of mvwprintw()Baptiste Jonglez2012-05-311-2/+2
| | | | | | | | | | | | | When we only want to display a string at a specific place of the screen, there's no need to use the more complex mvwprintw(), use mvwaddstr() instead. This should be slightly more efficient, and, above all, it prevents weird things to happen if our string contains a '%', being interpreted as an unwanted format string. Signed-off-by: Baptiste Jonglez <baptiste--git@jonglez.org> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Switch to Linux kernel coding styleLukas Fleischer2012-05-211-340/+273
| | | | | | | | | | | | | | Convert our code base to adhere to Linux kernel coding style using Lindent, with the following exceptions: * Use spaces, instead of tabs, for indentation. * Use 2-character indentations (instead of 8 characters). Rationale: We currently have too much levels of indentation. Using 8-character tabs would make huge code parts unreadable. These need to be cleaned up before we can switch to 8 characters. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add dummy help for cut and pasteBaptiste Jonglez2012-05-141-0/+4
| | | | | | | | It looks like cutting and pasting are only half-implemented: this only avoids a segfault when trying to get help on these functions. Signed-off-by: Baptiste Jonglez <baptiste--git@jonglez.org> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Declare several parameters/variables constantLukas Fleischer2012-05-081-8/+8
| | | | | | | | | | | | Add the "const" keyword to parameters and variables that are never modified. Most of these were spotted by "-Wwrite-strings". We cast the second parameter to execvp() explicitly as it expects a "char *const[]" where it should expect a "const char *const[]" (according to the documentation, this is due to compatibility reasons). This should be changed once we come up with a better solution. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* src/keys.c: Use generic list implementationLukas Fleischer2012-04-051-77/+36
| | | | | | | | Be consistent and replace the custom linked list implementation we used here by the generic list implementation we use everywhere else. This reduces code complexity, while slightly improving memory overhead. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Mark localized string literals constantLukas Fleischer2012-04-051-1/+1
| | | | | | | Translated strings returned by gettext() are statically allocated and shouldn't be modified. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Revert a bunch of strncmp() conversionsLukas Fleischer2012-03-301-1/+1
| | | | | | | | | | | All strncmp() usages were replaced by (evidently) equivalent strcmp() invocations in commit 2c9499bf272e06a62902711c6c20621ef3f80e64. However, some of the strncmp() calls were perfectly justified and we actually broke iCal import and "C-"-style key bindings by converting them to strcmp(). Fix this by reverting all affected conversions. Reported-by: Baptiste Jonglez <baptiste@jonglez.org> Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Update copyright rangesLukas Fleischer2012-03-261-1/+1
| | | | | | Add 2012 to the copyright range for all source and documentation files. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Get rid of string structuresLukas Fleischer2012-03-121-21/+21
| | | | | | | | These were only used to construct constant strings with additional length fields. However, we can just use standard constant character arrays instead and let the compiler calculate the string length. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Use strcmp() instead of strncmp()Lukas Fleischer2012-03-121-10/+10
| | | | | | | | | strncmp() isn't intended to be a secure strcmp() replacement, it is designed to be used if you want to compare the first n characters of two strings. Since we always compare character pointers with string literals, switch to using strcmp() everywhere. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Revamp key bindings displayLukas Fleischer2012-03-021-25/+25
| | | | | | | | | | | | | Refactor the logic inside keys_display_bindings_bar() and remove the need to place the "show next page" key binding at the right positions. This used to be a pain to maintain, since we always had to move key bindings around when introducing a new key. Fix this by passing the actual key bindings in an array and using a separate parameter for the "show next page" key binding (which is automatically inserted at the right places from now on). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Remove all usages of bzero() and bcopy()Lukas Fleischer2012-02-191-2/+2
| | | | | | | | | The bzero() and bcopy() functions are deprecated and were removed from the POSIX standard in IEEE Std. 1003.1-2008. Remove all usages of bzero()/bcopy() and replace them by appropriate memset()/memmove() calls. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Fix up strncat() usageLukas Fleischer2012-02-181-2/+2
| | | | | | | | | | | | | | | The last argument to strncat() should not be the total buffer length; it should be the space remaining: The strncat() function shall append not more than n bytes (a null byte and bytes that follow it are not appended) from the array pointed to by s2 to the end of the string pointed to by s1. The initial byte of s2 overwrites the null byte at the end of s1. A terminating null byte is always appended to the result. This patch fixes a couple of potential buffer overflow vulnerabilities. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Make use of the NULL macroLukas Fleischer2011-11-021-2/+2
| | | | | | | | | | | | | | | Use this constant everywhere when referring to a null pointer instead of casting 0 to various types of pointers. Created using following semantic patch: @@ type type; @@ - (type *)0 + NULL Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Do not cast unused return values to voidLukas Fleischer2011-11-021-15/+14
| | | | | | | | | | | | | | | | | | | | A small style fix that removes all remaining "(void)" casts. Using these isn't encouraged in GNU coding guidelines and doesn't serve a certain purpose, except for satisfying a few static code analysis tools. We already nuked some of these in previous patches, but this semantic patch should fix what's left: @@ identifier func; @@ - (void)func ( + func ( ...); Long lines were re-formatted manually. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Avoid use of printf()/fprintf()Lukas Fleischer2011-11-021-1/+1
| | | | | | | | | | | | | | | | Use one of the following functions where appropriate: * puts() (whenever we print hard coded strings to stdout) * fputs() (whenever we print hard coded strings to a stream) * putchar() (whenever we print a single character to stdout) * fputc() (whenever we print a single character to a stream) * strncpy() (whenever we copy hard coded strings to a buffer) This removes the overhead introduced by the format string parser and reduces the number of false positive C-format strings spotted by xgettext(1)'s heuristics. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add count buffer to keys_getch()Lukas Fleischer2011-10-061-4/+19
| | | | | | | | Key commands can be prefixed with a natural number - keys_getch() will store this number in the buffer pointed to by the second parameter. Set this parameter to NULL to disable count prefixes. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add key binding for pipe-item commandLukas Fleischer2011-07-071-0/+3
| | | | | | | This removes the need of reading the whole data file and find matching entries if we want to parse appointments in external programs. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Enable arrow key navigation by defaultLukas Fleischer2011-06-291-4/+4
| | | | Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Update copyright notices in source files, documentation and "COPYING".Lukas Fleischer2011-04-221-1/+1
| | | | | | | | | * Update copyright dates (use 2004-2011 as date range everywhere). * Change copyright holder from "Frederic Culot" to "calcurse Development Team". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Compare pointers to "NULL" instead of "0".Lukas Fleischer2011-04-051-3/+3
| | | | | | "bad_zero.cocci" spatch from http://coccinelle.lip6.fr/impact_linux.php. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
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