From 2cfafe8a89f446b58bc1d026f100c01c0d7cf1a9 Mon Sep 17 00:00:00 2001
From: Frederic Culot <calcurse@culot.org>
Date: Mon, 24 Aug 2009 18:59:16 +0000
Subject: Work on implementing the weekly calendar view.
---
ChangeLog | 9 +++
src/calcurse.c | 12 +++-
src/calendar.c | 198 ++++++++++++++++++++++++++++++++++++++++++---------------
src/calendar.h | 4 +-
4 files changed, 168 insertions(+), 55 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 4dfc97e..54fa054 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2009-08-24 Frederic Culot <frederic@culot.org>
+
+ * src/calendar.c (calendar_view_next, calendar_view_prev)
+ (calendar_get_wday, draw_monthly_view, draw_weekly_view): new
+ functions to implement a weekly view inside calendar panel
+
+ * src/calcurse.c: key bindings added to switch between weekly and
+ monthly calendar views
+
2009-08-22 Frederic Culot <frederic@culot.org>
* === Released 2.7 ===
diff --git a/src/calcurse.c b/src/calcurse.c
index 051008d..ee9ac7d 100755
--- a/src/calcurse.c
+++ b/src/calcurse.c
@@ -1,4 +1,4 @@
-/* $calcurse: calcurse.c,v 1.85 2009/07/26 20:38:35 culot Exp $ */
+/* $calcurse: calcurse.c,v 1.86 2009/08/24 18:59:17 culot Exp $ */
/*
* Calcurse - text-based organizer
@@ -526,6 +526,16 @@ main (int argc, char **argv)
calendar_move (WEEK_END);
}
break;
+
+ case KEY_GENERIC_SCROLL_UP:
+ if (wins_slctd () == CAL)
+ calendar_view_prev ();
+ break;
+
+ case KEY_GENERIC_SCROLL_DOWN:
+ if (wins_slctd () == CAL)
+ calendar_view_next ();
+ break;
case KEY_GENERIC_QUIT:
if (conf.auto_save)
diff --git a/src/calendar.c b/src/calendar.c
index c626888..19e7f8e 100755
--- a/src/calendar.c
+++ b/src/calendar.c
@@ -1,4 +1,4 @@
-/* $calcurse: calendar.c,v 1.25 2009/07/12 16:21:59 culot Exp $ */
+/* $calcurse: calendar.c,v 1.26 2009/08/24 18:59:18 culot Exp $ */
/*
* Calcurse - text-based organizer
@@ -68,11 +68,38 @@
#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
+enum {
+ CAL_MONTH_VIEW,
+ CAL_WEEK_VIEW,
+ CAL_VIEWS
+};
+
static date_t today, slctd_day;
-static unsigned week_begins_on_monday;
+static unsigned calendar_view, week_begins_on_monday;
static pthread_mutex_t date_thread_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_t calendar_t_date;
+static void draw_monthly_view (WINDOW *, date_t *, unsigned);
+static void draw_weekly_view (WINDOW *, date_t *, unsigned);
+static void (*draw_calendar[CAL_VIEWS]) (WINDOW *, date_t *, unsigned) =
+ {draw_monthly_view, draw_weekly_view};
+
+/* Switch between calendar views (monthly view is selected by default). */
+void
+calendar_view_next (void)
+{
+ calendar_view++;
+ if (calendar_view == CAL_VIEWS)
+ calendar_view = 0;
+}
+
+void
+calendar_view_prev (void)
+{
+ if (calendar_view == 0)
+ calendar_view = CAL_VIEWS;
+ calendar_view--;
+}
/* Thread needed to update current date in calendar. */
/* ARGSUSED0 */
@@ -188,6 +215,21 @@ calendar_get_slctd_day_sec (void)
return (date2sec (slctd_day, 0, 0));
}
+static int
+calendar_get_wday (date_t *date)
+{
+ struct tm t;
+
+ (void)memset (&t, 0, sizeof (struct tm));
+ t.tm_mday = date->dd;
+ t.tm_mon = date->mm - 1;
+ t.tm_year = date->yyyy - 1900;
+
+ (void)mktime (&t);
+
+ return t.tm_wday;
+}
+
static int
isBissextile (unsigned year)
{
@@ -221,25 +263,40 @@ ymd_to_scalar (unsigned year, unsigned month, unsigned day)
return (scalar);
}
-/* Function used to display the calendar panel. */
-void
-calendar_update_panel (WINDOW *cwin)
+/*
+ * Used to change date by adding a certain amount of days or weeks.
+ * Returns 0 on success, 1 otherwise.
+ */
+static int
+date_change (struct tm *date, int delta_month, int delta_day)
{
- date_t current_day, check_day;
+ struct tm t;
+
+ t = *date;
+ t.tm_mon += delta_month;
+ t.tm_mday += delta_day;
+
+ if (mktime (&t) == -1)
+ return (1);
+ else
+ {
+ *date = t;
+ return (0);
+ }
+}
+
+/* Draw the monthly view inside calendar panel. */
+static void
+draw_monthly_view (WINDOW *cwin, date_t *current_day, unsigned sunday_first)
+{
+ date_t check_day;
int c_day, c_day_1, day_1_sav, numdays, j;
unsigned yr, mo;
int ofs_x, ofs_y;
int item_this_day = 0;
- int title_lines = 3;
- int sunday_first = 0;
- /* inits */
- calendar_store_current_date (¤t_day);
- erase_window_part (cwin, 1, title_lines, CALWIDTH - 2, CALHEIGHT - 2);
mo = slctd_day.mm;
yr = slctd_day.yyyy;
- if (!calendar_week_begins_on_monday ())
- sunday_first = 1;
/* offset for centering calendar in window */
ofs_y = 2 + (CALHEIGHT - 9) / 2;
@@ -265,7 +322,7 @@ calendar_update_panel (WINDOW *cwin)
/* print the days, with regards to the first day of the week */
custom_apply_attr (cwin, ATTR_HIGHEST);
- for (j = 0; j < 7; j++)
+ for (j = 0; j < WEEKINDAYS; j++)
{
mvwprintw (cwin, ofs_y, ofs_x + 4 * j, "%s",
_(daynames[1 + j - sunday_first]));
@@ -291,19 +348,17 @@ calendar_update_panel (WINDOW *cwin)
}
/* This is today, so print it in yellow. */
- if (c_day == current_day.dd && current_day.mm == slctd_day.mm
- && current_day.yyyy == slctd_day.yyyy
- && current_day.dd != slctd_day.dd)
+ if (c_day == current_day->dd
+ && current_day->mm == slctd_day.mm
+ && current_day->yyyy == slctd_day.yyyy
+ && current_day->dd != slctd_day.dd)
{
custom_apply_attr (cwin, ATTR_LOWEST);
mvwprintw (cwin, ofs_y + 1,
ofs_x + day_1_sav + 4 * c_day + 1, "%2d", c_day);
custom_remove_attr (cwin, ATTR_LOWEST);
}
- else if (c_day == slctd_day.dd &&
- ((current_day.dd != slctd_day.dd)
- || (current_day.mm != slctd_day.mm)
- || (current_day.yyyy != slctd_day.yyyy)))
+ else if (c_day == slctd_day.dd)
{
/* This is the selected day, print it according to user's theme. */
custom_apply_attr (cwin, ATTR_HIGHEST);
@@ -311,16 +366,6 @@ calendar_update_panel (WINDOW *cwin)
c_day);
custom_remove_attr (cwin, ATTR_HIGHEST);
}
- else if (c_day == slctd_day.dd && current_day.dd == slctd_day.dd
- && current_day.mm == slctd_day.mm
- && current_day.yyyy == slctd_day.yyyy)
- {
- /* today is the selected day */
- custom_apply_attr (cwin, ATTR_HIGHEST);
- mvwprintw (cwin, ofs_y + 1, ofs_x + day_1_sav + 4 * c_day + 1, "%2d",
- c_day);
- custom_remove_attr (cwin, ATTR_HIGHEST);
- }
else if (item_this_day)
{
custom_apply_attr (cwin, ATTR_LOW);
@@ -333,6 +378,75 @@ calendar_update_panel (WINDOW *cwin)
mvwprintw (cwin, ofs_y + 1, ofs_x + day_1_sav + 4 * c_day + 1, "%2d",
c_day);
}
+}
+
+/* Draw the weekly view inside calendar panel. */
+static void
+draw_weekly_view (WINDOW *cwin, date_t *current_day, unsigned sunday_first)
+{
+ int j, c_wday, days_to_remove;
+ struct tm t;
+
+ /* Fill in a tm structure with the first day of the selected week. */
+ c_wday = calendar_get_wday (&slctd_day);
+ if (sunday_first)
+ days_to_remove = c_wday;
+ else
+ days_to_remove = c_wday == 0 ? WEEKINDAYS - 1 : c_wday - 1;
+
+ (void)memset (&t, 0, sizeof (struct tm));
+ t.tm_mday = slctd_day.dd;
+ t.tm_mon = slctd_day.mm - 1;
+ t.tm_year = slctd_day.yyyy - 1900;
+ (void)mktime (&t);
+ (void)date_change (&t, 0, -days_to_remove);
+
+ /* Now draw calendar view. */
+ for (j = 0; j < WEEKINDAYS; j++)
+ {
+ unsigned attr;
+
+ /* print the day names, with regards to the first day of the week */
+ custom_apply_attr (cwin, ATTR_HIGHEST);
+ mvwprintw (cwin, 3, 1 + 4 * j, "%s",
+ _(daynames[1 + j - sunday_first]));
+ custom_remove_attr (cwin, ATTR_HIGHEST);
+
+ /* Print the day numbers with appropriate decoration. */
+ if (t.tm_mday == current_day->dd
+ && current_day->mm == slctd_day.mm
+ && current_day->yyyy == slctd_day.yyyy
+ && current_day->dd != slctd_day.dd)
+ attr = ATTR_LOWEST; /* today, but not selected */
+ else if (t.tm_mday == slctd_day.dd)
+ attr = ATTR_HIGHEST; /* selected day */
+ else
+ attr = 0;
+
+ if (attr)
+ custom_apply_attr (cwin, attr);
+ mvwprintw (cwin, 4, 2 + 4 * j, "%02d", t.tm_mday);
+ if (attr)
+ custom_remove_attr (cwin, attr);
+
+ /* get next day */
+ (void)date_change (&t, 0, 1);
+ }
+}
+
+/* Function used to display the calendar panel. */
+void
+calendar_update_panel (WINDOW *cwin)
+{
+ date_t current_day;
+ unsigned sunday_first;
+
+ calendar_store_current_date (¤t_day);
+ erase_window_part (cwin, 1, 3, CALWIDTH - 2, CALHEIGHT - 2);
+ sunday_first = calendar_week_begins_on_monday () ? 0 : 1;
+
+ draw_calendar[calendar_view] (cwin, ¤t_day, sunday_first);
+
wnoutrefresh (cwin);
}
@@ -404,28 +518,6 @@ calendar_change_day (int datefmt)
return;
}
-/*
- * Used to change date by adding a certain amount of days or weeks.
- * Returns 0 on success, 1 otherwise.
- */
-static int
-date_change (struct tm *date, int delta_month, int delta_day)
-{
- struct tm t;
-
- t = *date;
- t.tm_mon += delta_month;
- t.tm_mday += delta_day;
-
- if (mktime (&t) == -1)
- return (1);
- else
- {
- *date = t;
- return (0);
- }
-}
-
void
calendar_move (move_t move)
{
diff --git a/src/calendar.h b/src/calendar.h
index 406eed6..0269f55 100755
--- a/src/calendar.h
+++ b/src/calendar.h
@@ -1,4 +1,4 @@
-/* $calcurse: calendar.h,v 1.15 2009/07/12 16:21:59 culot Exp $ */
+/* $calcurse: calendar.h,v 1.16 2009/08/24 18:59:18 culot Exp $ */
/*
* Calcurse - text-based organizer
@@ -102,6 +102,8 @@ typedef enum
}
move_t;
+void calendar_view_next (void);
+void calendar_view_prev (void);
void calendar_start_date_thread (void);
void calendar_stop_date_thread (void);
void calendar_set_current_date (void);
--
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