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Calendar: force all months at the same height

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Add one or two weeks from nearby months to avoid changing the menu height
when navigating it.

https://bugzilla.gnome.org/show_bug.cgi?id=641383
This commit is contained in:
Giovanni Campagna 2012-10-23 18:21:20 +02:00
parent dac54a6019
commit 69cdc5a9b9
1 changed files with 29 additions and 7 deletions
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36
js/ui/calendar.js
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@ -538,16 +538,40 @@ const Calendar = new Lang.Class({
children[i].destroy();
// Start at the beginning of the week before the start of the month
//
// We want to show always 6 weeks (to keep the calendar menu at the same
// height if there are no events), so we pad it according to the following
// policy:
//
// 1 - If a month has 6 weeks, we place no padding (example: Dec 2012)
// 2 - If a month has 5 weeks and it starts on week start, we pad one week
// before it (example: Apr 2012)
// 3 - If a month has 5 weeks and it starts on any other day, we pad one week
// after it (example: Nov 2012)
// 4 - If a month has 4 weeks, we pad one week before and one after it
// (example: Feb 2010)
//
// Actually computing the number of weeks is complex, but we know that the
// problematic categories (2 and 4) always start on week start, and that
// all months at the end have 6 weeks.
let beginDate = new Date(this._selectedDate);
beginDate.setDate(1);
beginDate.setSeconds(0);
beginDate.setHours(12);
let year = beginDate.getYear();
let daysToWeekStart = (7 + beginDate.getDay() - this._weekStart) % 7;
beginDate.setTime(beginDate.getTime() - daysToWeekStart * MSECS_IN_DAY);
let startsOnWeekStart = daysToWeekStart == 0;
let weekPadding = startsOnWeekStart ? 7 : 0;
beginDate.setTime(beginDate.getTime() - (weekPadding + daysToWeekStart) * MSECS_IN_DAY);
let iter = new Date(beginDate);
let row = 2;
while (true) {
// nRows here means 6 weeks + one header + one navbar
let nRows = 8;
while (row < 8) {
let button = new St.Button({ label: iter.getDate().toString() });
let rtl = button.get_text_direction() == Clutter.TextDirection.RTL;
@ -562,6 +586,7 @@ const Calendar = new Lang.Class({
let hasEvents = this._eventSource && this._eventSource.hasEvents(iter);
let styleClass = 'calendar-day-base calendar-day';
if (_isWorkDay(iter))
styleClass += ' calendar-work-day'
else
@ -601,12 +626,9 @@ const Calendar = new Lang.Class({
}
iter.setTime(iter.getTime() + MSECS_IN_DAY);
if (iter.getDay() == this._weekStart) {
// We stop on the first "first day of the week" after the month we are displaying
if (iter.getMonth() > this._selectedDate.getMonth() || iter.getYear() > this._selectedDate.getYear())
break;
if (iter.getDay() == this._weekStart)
row++;
}
}
// Signal to the event source that we are interested in events
// only from this date range