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* Call setsid() for hook/notification commandsLukas Fleischer2021-04-041-1/+1
| | | | | | | | | We do not want hook or notification commands to interact with the terminal in any way. Create a new session for them. Addresses GitHub issue #326. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Add parameter to redirect stderr to shell_exec()Lukas Fleischer2021-04-041-2/+2
| | | | | | | Add a function parameter to allows redirecting stderr in addition to stdin and stdout. The parameter will be used with a follow-up change. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Introduce macro DAYLars Henriksen2020-12-191-15/+10
| | | | | | | DAY(t) is midnight (the day) of time_t t. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Redesign the item deletion menuLukas Fleischer2020-10-111-58/+66
| | | | | | | | | | | | | | | | | | | Instead of the previous inconsistent and potentially nested menus, the following message is now displayed when deleting an item: Delete (s)elected occurrence, (a)ll occurrences, or only the (n)ote? Options that are not available (e.g. because the item is not recurrent or does not have a note) are omitted. For a non-recurrent item without a note the message becomes Delete (s)elected occurrence? and is skipped if general.confirmdelete is disabled. Implements GitHub feature request #308. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Improve help texts for recurrence rulesLars Henriksen2020-06-131-15/+15
| | | | | Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Allow repeat count input (for until) in interactive UILars Henriksen2020-06-131-6/+36
| | | | | | | | | | Shortened repetition type text. Avoid "duration" in until-contexts (reserve it for appointment duration): "duration" changed to "increment" in user texts as well as source. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Let RETURN set frequency type to current value in repeat command UILars Henriksen2020-05-241-13/+17
| | | | | | | In addition, the prompt text is shortened. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Include start day in error message for recurrence ruleLars Henriksen2020-05-241-8/+11
| | | | | Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Help for recurrence rule extensionsLars Henriksen2020-04-281-29/+126
| | | | | | | | | | | The help command has been updated for "repeat". Context dependent, very terse information is built into the repeat command (edit command) for display in the status bar when editing the Weekdays, Months and Monthdays lists. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Refactor the repeat commandLars Henriksen2020-04-281-164/+86
| | | | | | | | | | Code duplication has been eliminated by calling update_rept() from the repeat command ui_day_item_repeat(). The repeat command asks for simple or advanced repetition. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* User interface for recurrence rulesLars Henriksen2020-04-281-61/+367
| | | | | | | | | | | | | | | | | | | | | | | | The function update_rept() is extended with editing of the three recurrence rule lists for BYMONTH, BYMONTHDAY and BYDAY. The integers of the bymonth and bymonthday lists are edited directly as integers, while those of the bywday list are mapped to localized weekday names (as they appear in the calendar panel) with an optional integer prefix (in RFC5545 style: 1MO, -2SA). The RFC5545 (icalendar) requirement that the start day must be the first occurrence and must match the recurrence rule, is met by testing that an occurrence indeed appears on the start day, in these circumstances: - when a recurrent item is loaded from file - when the recurrence rule of an item is edited interactively - when a recurrent appointment gets a new start time - when a recurrent appointment is moved Copy and paste of a recurrent item will only retain the basic recurrence properties of type, frequency, until and exception days. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Recurrence rule extensionsLars Henriksen2020-04-281-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Terms and concepts are from RFC 5545 (the iCalendar specification). Overall design -------------- Calcurse is extended with full support for BYMONTH, BYDAY and BYMONTHDAY recurrence rule (rrule) parts. The three rule parts are lists of, respectively, months, weekdays and monthdays. The lists are added to 'struct rpt' as linked lists of integers, and the data file format is extended accordingly (details below). Load and save of the lists follow the pattern of the existing list of exception dates, also in 'struct rpt'. The function recur_item_find_occurence() is split into a front-end and a back-end. The back-end, called find_occurrence(), is the original function extended with rrule reductions; the front-end retains the original name and performs rrule expansions. Front-end plus back-end are backwards compatible and require no changes in calling functions. There is no user interface in this patch. Data file extensions -------------------- The BYMONTH, BYDAY and BYMONTHDAY lists are added to that part of an item line which describes the recurrence rule (the "{...}" part). Each list is - like the list of exception days - a space-separated string of values identified by the initial character. Each list is optional and, if present, must follow the until date and precede the exception day list. The lists must appear in order BYMONTHDAY list, BYDAY list and BYMONTH list. The possible list values are - BYMONTH: m1, m2, ..., m12 - BYDAY: w0, w1, ..., w6, w7, w-7, w8, w-8, ..., w377, w-377 - BYMONTHDAY: d1, d2, ..., d31, d-1, d-2, ..., d-31 which are interpreted as (cf. RFC 5545) - BYMONTH: January, February, ..., December. - BYDAY: SU, MO, ..., SA, +1SU, -1SU, +1MO, -1MO, ..., +53SA, -53SA - BYMONTHDAY: the first, the second, ..., the 31st, the last, the last but one, ..., the last but 30 day of the month Examples: Thursday, TH, is w4; Saturday, SA, is w6. The seventh Thursday, +7TH, is w53 (7 * 7 + 4 = 53); the last but second Saturday, -2SA, is w-20 (2 * 7 + 6 = 20); the last day of the month is d-1. Note that the values w-1, w-2, ..., w-6 are not used. A recurrent appointment with a BYDAY rule part: 06/23/2019 @ 12:00 -> 06/23/2019 @ 13:00 {1W w0 w6} |every week on Sunday and Saturday An event with a BYDAY and a BYMONTH rule part: 10/27/2019 [1] {1Y w-7 m10} every year on last Sunday in October An event with until date, a BYMONTH rule part and an exception day: 06/23/2019 [1] {1Y -> 08/31/2021 m5 m6 m7 !07/23/2020} every year on the 23rd in May, June and July for three years, starting on Sunday, 23 June 2019, but not on 23 July 2020. Recurrence set expansion and reduction --------------------------------------- In calcurse a recurrence rule is a quadruple (s, d, r, e) consisting of start, duration, repetition pattern and exception days and is implemented as: (time_t start, long dur, struct rpt *rpt, llist_t *exc) In RFC 5545 parlance, a recurrence rule defines a recurrence set consisting of all recurrence instances (occurrences) not earlier than start which match the rule pattern. With this concept in mind, recur_item_find_occurremce() may be thought of as a membership function for a recurrence set. The call recur_item_find_occurrence(s, d, r, e, day, occurrence) returns true if day belongs to the recurrence set of (s, d, r, e); if so occurrence points to the recurrence instance (the set member). For a recurrence rule with only the basic DAYLY, WEEKLY, MONTHLY or YEARLY type and frequency the recurrence set consists of periodically repeated instances. The BYxxx rule parts modify the recurrence set by reducing or expanding it as specified by RFC 5545. Expansion is implemented in the front-end by modifications of start and/or frequency of the rule (s, d, r, e), often several times, in such a way that the desired recurrence instances are included in the recurrence set. This is possible because the front-end as the very first thing checks for early days (day < s). When day is known not to be early, start (s) can safely be moved backwards. Likewise, if frequency must be changed, the front-end checks whether the frequency repetition applies to the week, month or year of day. Reduction is easier and is performed in the back-end along with the existing validity checks. It consists in checking whether month, day of month or weekday of a found occurrence is on the appropriate list. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Refactor edit of exception daysLars Henriksen2020-04-281-8/+16
| | | | | | | | | | | | | | | The patch contains no functional changes, but is a necessary precondition for extensions of update_rept() (in ui-day.c) with further recurrence rules. The reason is that recurrence parameters must be treated as a whole: if an edit session is cancelled at any point, no value should change, and all parameters should remain as they were. Hence, the new values must only be set after all of them have been determined. This was not the case for the list of exception days, but as long as it was treated last, it did not matter. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Refactor function calls: recurrence parameters as a single argumentLars Henriksen2020-04-281-3/+7
| | | | | | | | | | | | | | | | | | | | | The recurrence parameters are type, frequency, until date and exception list (in RFC 5545 parlance FREQ, INTERVAL, UNTIL and EXDATE's). When these are passed in a function call, the argument list becomes long and not very readable. When support for extended recurrence rules is implemented, the number of recurrence parameters increases, and function signatures must be amended. Solution: The "struct rpt" is extended with the exception list; any future recurrence parameters are added here. A pointer to this structure replaces the recurrence parameters in function calls. Note: Each recurrent event and appoinment instance has (a pointer to) a "struct rpt" and in addition an exception list. The latter is retained to avoid the derived changes, and the exception list in the structure is initialized to an empty list when the recurrent instance is created. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Update copyright rangesLukas Fleischer2020-01-301-1/+1
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Refactor cut and paste registersLars Henriksen2020-01-131-11/+18
| | | | | | | | | | Register REG_BLACK_HOLE can neither be copied into nor pasted from and has been removed from the input routine. Register 36 was not used. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Set time-of-day consistently to midnight for until dayLars Henriksen2019-09-061-4/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A day begins on midnight (inclusive) and ends on midnight (exclusive). A day as a whole is represented by the initial midnight, i.e. time-of-day is 00:00. On load of recurrent appointments (but not events) time-of-day for the until day is set to 23:59. For a newly created recurrent appointment the setting depends on the input method: time-of-day is set to 00:00 if until day is given as a date (day, month and year), but to time-of-day for the start day if given as an offset (+dd). The resulting behaviour is only visible in interactive use of calcurse as proved by the following scenario. 1) Create an appointment with start time 12:00, end time 11:59 (multi day). 2) Turn it into a recurrent appointment of type daily, frequency 3, until day +3. The appointment is correctly displayed with two 2-day occurrences three days apart. 3) Edit the appointment and select Repetition. Accept existing type, frequency and end day (now as a date). The second day of the second occurrence disappears. 4) Repeat 3), but set the end day as an offset (+3). The second day of the second occurrence reappears. The inconsistencies have been eliminated, and time-of-day for the until day is now always 00:00. Also, until day may equal start day, so midnights should be compared. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Fix edit of empty exception day listLars Henriksen2019-07-101-1/+1
| | | | | Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Treat recurrence item parameters as a unitLars Henriksen2019-06-161-21/+38
| | | | | | | | An edit session, and in particular, a cancelled edit session should encompass all parameters. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Use empty end date instead of 0 when editing repetitionsLukas Fleischer2019-06-061-1/+4
| | | | | | | | | Since commit 987fa9d (Allow to omit end date in repetitions, 2019-06-03), one can provide an empty date instead of using the value 0 to omit the end date of a repetition. Use this as default value when editing repetitions without an end date. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Allow to omit end date in repetitionsLukas Fleischer2019-06-031-12/+9
| | | | | | Addresses GitHub issue #213. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Fix recurrent appointment end time when duration is zeroLars Henriksen2019-06-031-9/+4
| | | | | | | | | Fixes a regression introduced in 223810c (Major overhaul of appointment/event input routines., 2017-11-06) and 16d3032 (Refactoring update_duration/day_edit_duration., 2017-10-18). Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Mark selected day in the appointments panel in multiple days modeLars Henriksen2019-05-281-3/+4
| | | | | Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Make separation of days conspicuousLars Henriksen2019-05-261-11/+15
| | | | | | | | | | | | | | | ... by adding a horizontal line from border to border above the day heading and turning the event separator into an empty line. The horizontal line is left out for the first day loaded. Also reduce the number of empty lines at the end of a day to at most one. A new configuration variable, header_line, turns the horizontal line on and off. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Derive selected day from selected itemLars Henriksen2019-05-221-6/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, with only one day visible at a time, the appointments panel displayed the details of the day selected in the calendar (slctd_day); information required for operations on items (day_items) can often be derived from the selected day. The items available are derived from the selected day. In particular, the selected item is derived from the selected day. With multiple days in the APP panel, the relation between selected day (in the calendar) and the selected item (in the APP panel) has, in a way, been turned around. The selected item may now be moved between days without explicitly changing the selected day. Implicitly it is changed when the target day of a move is unavailable. This commit draws the full consequence: the selected day in the calendar is always (set to) the day of the selected item in the APP panel. The static variable 'struct date slctd_day' lives in ui_calendar.c and is accessible through various public functions. To these are added ui_calendar_set_slctd_day() which sets slctd_day directly. The selected day retains its significance for load of the day vector (in day_store_items()): the range of loaded days begins with the selected day. Movements (up/down) in the APP panel will change the selected day as the selected item moves among the already loaded days. Only when the target of a movement is unreachable, will further days be loaded. On the other hand, if the same range of days must be reloaded because of a changed item, the selected item - and with it the selected day - must be reset to the first day item (see do_storage()). Movements in the calendar (generic-next-day, etc.) are not affected and behave as previously, i.e. they will cause a range of days to be loaded with the selected day as the first and the selected item as the first of the selected day. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Add configuration variables for multiple daysLars Henriksen2019-05-221-1/+3
| | | | | | | | | | | | | | | The number of days displayed in the APP panel has been made configurable, maximum 21 days, default seven days. With several days in the APP panel, it may be desirable to "squeeze" the entries by leaving out the final empty line of each appointment and lower the number of lines between consecutive days (0, 1, or 2). Both are made general configuration options. To make a uniform display, an empty line is added to a day without appointments, if appointments have an empty line. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Implement scrolling in the appointments panelLars Henriksen2019-05-221-8/+92
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With multiple days in the APP panel, up/down movements should change behaviour at the top and bottom of the list displayed, and load the previous/next lot of days. This requires that the move function returns the result of the operation. Furthermore, the ability to move the selection to the beginning of a day is needed when moving down (in order to move from the first day to the last day). For this reason a DAY_SEPARATOR has been inserted also after the last day of a lot. Appointments have a listbox height of three to separate them clearly when there is more than one in a day. This leaves a spurious empty line at the end of a day with appointments. The DAY_SEPARATOR height is reduced from two to one, and a new EMPTY_SEPARATOR of height one is inserted in any day with only events. When scrolling up the DAY_HEADING becomes visible when the selection reaches the first item of the day. The length of the separator (between events and appointments) is adjusted to leave a space to the window border at both ends, thereby making it a part of the day, not a separation between days. The dummy event must also be recognisable when not the selected item and is only inserted in interactive mode. The test for a saved selection must also recognise caption items which have item pointer NULL. The function day_get_nb() has been renamed day_get_days(). Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Redesign selected-item implementation for the APP panelLars Henriksen2019-05-221-37/+42
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The day vector, day_items, is displayed in the appointments panel; the selected day_item object is highlighted (when the panel has the focus). When items are inserted, edited, moved etc., and when the day is changed, the day vector is rebuilt and displayed anew. Problem: How shall the selection be set automatically in the context of the new day vector? In previous versions all of the above is mostly handled by the function do_storage() in calcurse.c The function saves data about the selection as needed, rebuilds the day vector, loads the listbox and sets the selection from the saved selection data. This works well in "single day" calcurse in cases where the selected item is present in the day vector both before and after the rebuild, or when the item ordering in the listbox is unaffected by the changes. But when a new item is added the selection cannot be set to the new object by do_storage(). Instead the necessary operations are performed by ui_day_item_add(), and do_storage() is bypassed. In general, when an item cannot be found in the new vector, the item which occupies the old place in the list gets selected, e.g. when an item is deleted. When an item is turned into a repeating one, the old item is deleted and a new is created. Here the new selection is not always the affected item, but in any case not far away. Generally, with only one day in the panel an erronous selection might not be noticed or be accurate by chance. In "multiple day" calcurse the existing scheme works less well; in addition the day vector may now contain more than one object that refer to the same event or appointment (recurrent items or multi-day appointments). The scheme has therefore been modified. The do_storage() function is no longer bypassed, but handles day vector rebuild, load of listbox and item selection exclusively. To make that possible, data about the selected item is no longer saved in a local automatic variable, private to do_storage(), but in an external static variable in day.c, which may be set not only by do_storage(). The variable is declared as static struct day_item sel_data; and used as follows: 1. On startup sel_data is initialized to empty (i.e. no selection). 2. In any operation involving the appointments panel: 2.1 Do the work and if necessary set sel_data. This is the case when deleting, adding or pasting an item, and when turning an ordinary item into a recurrent one. 2.2 Call do_storage(). 3. In do_storage(): 3.1 If sel_data is empty, set it to the current selection. 3.2 Rebuild the day vector. 3.3 Set the selection from sel_data. 3.4 Set sel_data to empty. Further remarks --------------- The selection is found in the new day vector by searching for the saved (order, item.<pointer>) pair. Previously the item.<pointer> alone sufficed and in some cases it still does. In case the item cannot be found, the selection stays in the same day as before the rebuild. An attempt at more consistently named APP-related functions has led to: ui_day_sel_date() replaces ui_day_sel_day() ui_day_get_sel() replaces ui_day_selitem() Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Introduce multiple days in the appointments panelLars Henriksen2019-05-221-8/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Overview of existing implementation ----------------------------------- The APP panel displays the 'day_items' vector in the 'lb_apt' listbox. A listbox consists of a scrollwin (structure) in which a number of items is displayed. The listbox keeps track of: - the number of items - the selected item - the type of each item in an array type[] - the height of each item (ie. how many screen lines) in an array ch[] - how to display an item (on the screen) The latter three are handled by functions fn_type(), fn_height(), fn_draw(). The first two are used to fill in the corresponding array entry, type[] or ch[], for item number i, the third draws item number i. The items are taken from the global variables vector_t day_items int day_items_nb in day.c. Items include captions (DAY_HEADING, DAY_SEPARATOR). Everything is sorted for display (DAY_HEADING, events, DAY_SEPARATOR, appts). These are filled in ("stored") [by day_store_items() for the selected day in the calendar], before being "loaded" into the listbox. See do_storage() in calcurse.c and ui_day_item_add() in ui-day.c. New APP panel design -------------------- Several days are displayed in the APP panel by loading them with day_store_items(). With several days come several headings and separators. DAY_SEPARATOR is reinterpreted to separate days, and a new separator, EVNT_SEPARATOR, separates events from appointments. To sort everything, an 'order' member of type time_t is added to the day_item structure. It is set for headings and separators as well as for appointments and events as follows: item order --------------------- DAY_HEADING BGNOFDAY (= midnight) EVNT_SEPARATOR BGNOFDAY DAY_SEPARATOR ENDOFDAY event start time (midnight) appointment start time (first day) BGNOFDAY (following days, if any) The sort function day_cmp() (used by vector_sort) is extended to sort by order first. The order field always indicates the day to which an item belongs. This comes in handy, because with several days in the APP panel it is necessary to distinguish between the selected day in the calendar and the selected day in the APP panel. This raises the question which day should actions (commands) operate on: the one selected in the calendar or the one selected in the APP panel? Unquestionably the one on the APP panel which is the one tacitly implied. In most cases it is not a problem, though, because actions work on the selected item and the selected day does not come into play. But in some cases it does: delete item When deleting an occurrence of a repeated item, the selected day is the exception day to add. view item day_popup_item() needs the day of the selected item for display of correct start/end times. cut/paste item Paste needs the selected day in which to paste. add item The day of the new item is taken from the calendar. Instead a dummy event is inserted in an empty day. This makes the day selectable, which is otherwise impossible with only the DAY_HEADING displayed. The dummy event is selectable but cannot be edited or deleted (but viewed or piped). With more than one day in the day_items vecter, an appointment spanning more than one day may occur more than once in the vector (with start/end times suitably adjusted for display). A day_item is no longer (always) identified by the aptev_ptr (item) value. Instead the combination (order, item.<ptr>) is used; order is roughly the day. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Simplify day storageLars Henriksen2019-05-221-4/+4
| | | | | | | | | | | The function day_process_storage() is a wrapper for day_store_items(). It has an unused second argument, and is only used twice to load the selected day. It has been removed. A new function, get_slctd_day(), is the equivalant of get_today() and replaces the very awkwardly named ui_calendar_get_slctd_day_sec(). Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* View or edit exception days of a recurrent itemLars Henriksen2019-02-281-1/+19
| | | | | | | | | | | | The exception days are presented for viewing/editing as a string of space-separated dates (in the user-preferred input format). After editing the string is checked for valid dates, but there is no check that a date is meaningful (an occurrence day of the item between start day and until day). Although possible, it is best to add exception days in the usual way by deletion of occurrences. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Invalidate calendar cache when adding an exceptionLukas Fleischer2019-02-021-1/+3
| | | | | | | Removing an occurrence of a recurrent item can turn a busy day into a free day. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Fix deletion of a multi-day recurrent appointmentLars Henriksen2019-02-021-2/+11
| | | | | | | | | | When the selected day in the calendar is a continuation day (not the first day) of such an appointment, deleting the occurrence does not work. The reason is that the selected day, and not the first day of the occurrence, is added as an exception day. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Use time_t for system time valuesLukas Fleischer2019-01-141-5/+5
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* DST fix: adjusting time in appointmentsLars Henriksen2018-11-101-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | Calcurse saves time and date information on disk as local time in readable text file format. When loaded from disk or when entered by the user, local time is converted to Unix time (seconds since 00:00:00, 1 January 1970). When displayed, and later when saved to disk, the Unix time is converted back to readable local time. Both conversions depend on DST. Hence, if midnight for a day with DST in effect (i.e. local time) is converted, increased with an amount and converted back, the amount has changed if DST is _not_ in effect for the resulting time. In general, calculations on Unix time variables should be used with caution because of the DST-dependent conversions. Instead, the calculations should be performed on local time data with the help of mktime(). The commit fixes start time for pasted appointments (ordinary and recurrent) and the 'until'-date of recurrent appointments, pasted as well as new and edited. The latter problem is slightly different in that the adjustment is a number of days, as it is for exception dates. Update of the date in parse_datetime() has been corrected to be similar to update of the time, although no problem has been identified. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Fix memory leak in update_duration()Lars Henriksen2018-08-251-1/+4
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Fix seg fault in update_rept()Lars Henriksen2018-08-251-5/+7
| | | | | | | Memory pointers must be initialized at the start in case memory is freed (cleanup) before it is allocated. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Buffer mixupLars Henriksen2018-08-251-4/+3
| | | | | | Use one (small) buffer long enough to hold a date. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Major overhaul of appointment/event input routines.Lars Henriksen2018-08-251-194/+241
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When setting start time for a new appointment, a date is disallowed (in all other cases both time and date are still allowed). Both date and time are displayed for the user to correct when an appointment is changed or moved. Built-in help in the status bar for display of input formats. Several bug fixes that resulted in data inconsistencies (end time before start time). The routines use the enhanced parsing funtions to validate input: ui_day_item_add(void) parse_datetime() parse_duration() parse_datetime() ui_day_item_repeat(void) parse_date_duration() parse_date() ui_day_item_edit(void) update_start_time() day_edit_time() parse_datetime() update_duration() parse_duration() parse_datetime() update_rept() parse_date_duration() parse_date() Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Refactoring update_duration/day_edit_duration.Lars Henriksen2018-08-251-55/+49
| | | | | | Incorporated day_edit_duraton() into update_duration(). Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Make editing of punctual appointments more intuitiveLukas Fleischer2018-08-251-3/+6
| | | | | | | | | | When editing the start time, move the item instead of keeping the previous start time as end time. When editing the end time, start with an empty end time instead of the previous start time. Fixes GitHub issue #89. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Fix end-before-start inconsistencyLars Henriksen2018-06-051-7/+9
| | | | | | | | | | | | Due to deficient validation, it is possible to get an inconsistent database with an appointment that ends before it begins. Edit an existing one and specify an end time by a date that precedes the start date, or create a new one and give a date as end time that precedes the start. Then exit calcurse; on restart it will report a data error and exit. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Fix appointment becoming eventLars Henriksen2018-06-051-4/+4
| | | | | | | | | | | | You try to enter an appointment, but enter an invalid start time (by mistake). Calcurse rejects the input. You enter the correct start time and calcurse asks for the description, not the end time, i.e. you get an event. The check for an event must only be performed on valid input. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Scrollbar and right window border (corrected)Lars Henriksen2018-05-261-2/+2
| | | | | | | | | | | | | | | | | When a scrollbar is on display in APP or TOD windows, the right vertical border (outside the scrollbar) is not highlighted when the window is selected. The scrollbar is always highlighted: - when APP or TOD is deselected - in configuration windows where borders otherwise are not The patch moves the scrollbar parameters (except highlight) from arguments of draw_scrollbar() to the function itself. The highlight argument was 1; instead it is set higher in the call hierarchy (wins_update_panels()) and passed on down. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Add parse_date_interactive()Lukas Fleischer2017-10-261-6/+4
| | | | | | | | | Add a wrapper around parse_date() which picks the current input date format as well as the currently selected day and passes both values to parse_date(), alongside with the parameters passed to parse_date_interactive() itself. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Fix spelling of "frequency"Lars Henriksen2017-10-231-7/+5
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Make the day heading position configurableLars Henriksen2017-09-081-1/+4
| | | | | | | | | The date at the top of the appointments list may be positioned either to the left, in the middle or to the right. Default is to the right. Can be configured from the general options menu. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Remove phase of moon featureLars Henriksen2017-09-081-1/+0
| | | | | | | | | | The computation never really worked before and it seems like the feature is not very helpful, sometimes even confusing (see GitHub issue #21). The macro ISLEAP is moved to calcurse.h. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Add missing string initializationLars Henriksen2017-09-041-0/+1
| | | | | | | | | | | When introducing the fmt_day_heading() function in commit d56cc7a (Make heading in appointments panel configurable, 2017-08-19), we forgot to initialize the dynamic string. This resulted in calling mem_free() with a garbage pointer, potentially resulting in a segmentation fault. Fix this by calling string_init() before using the string. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Add a function to wait for any key pressLukas Fleischer2017-09-031-14/+14
| | | | | | | 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>
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