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Man Pages


Manual Reference Pages  -  ACTIVATECDKCALENDAR (3)

NAME

cdk_calendar - curses calendar widget.

CONTENTS

Synopsis
Description
Available Functions
Key Bindings
See Also

SYNOPSIS

cc [ flag ... ] file ... -lcdk [ library ... ]

#include <cdk.h>


time_t activateCDKCalendar (CDKCALENDAR * calendar ,
  chtype *actions);
void destroyCDKCalendar (
  CDKCALENDAR *calendar);
void drawCDKCalendar (CDKCALENDAR * calendar ,
  boolean box);
void eraseCDKCalendar (
  CDKCALENDAR *calendar);
boolean getCDKCalendarBox (
  CDKCALENDAR *calendar);
void getCDKCalendarDate (CDKCALENDAR * calendar ,
  int *day, int *month, int *year);
chtype getCDKCalendarDayAttribute (
  CDKCALENDAR *calendar);
chtype getCDKCalendarHighlight (
  CDKCALENDAR *calendar);
chtype getCDKCalendarMarker (
  CDKCALENDAR *calendar, int day, int month, int year);
chtype getCDKCalendarMonthAttribute (
  CDKCALENDAR *calendar);
chtype getCDKCalendarYearAttribute (
  CDKCALENDAR *calendar);
time_t injectCDKCalendar (
  CDKCALENDAR *calendar, chtype input);
void moveCDKCalendar (
  CDKCALENDAR *calendar, int xpos, int ypos, boolean relative, boolean refresh);
CDKCALENDAR *newCDKCalendar (CDKSCREEN * cdkscreen ,
  int xpos, int ypos, const char *title, int day, int month, int year, chtype dayAttrib, chtype monthAttrib, chtype yearAttrib, chtype highlight, boolean box, boolean shadow);
void positionCDKCalendar (
  CDKCALENDAR *calendar);
void removeCDKCalendarMarker (
  CDKCALENDAR *calendar, int day, int month, int year);
void setCDKCalendar (
  CDKCALENDAR *calendar, int day, int month, int year, chtype dayAttrib, chtype monthAttrib, chtype yearAttrib, chtype highlight, boolean box);
void setCDKCalendarBackgroundAttrib (
  CDKCALENDAR *calendar, chtype attribute);
void setCDKCalendarBackgroundColor (
  CDKCALENDAR *calendar, const char * color);
void setCDKCalendarBox (
  CDKCALENDAR *calendar, boolean box);
setCDKCalendarBoxAttribute (
  CDKCALENDAR *calendar, chtype ch);
void setCDKCalendarDate (
  CDKCALENDAR *calendar, int day, int month, int year);
void setCDKCalendarDayAttribute (
  CDKCALENDAR *calendar, chtype attribute);
void setCDKCalendarDaysNames (
  CDKCALENDAR *calendar, const char *days);
void setCDKCalendarHighlight (
  CDKCALENDAR *calendar, chtype attribute);
void setCDKCalendarHorizontalChar (
  CDKCALENDAR *calendar, chtype ch);
void setCDKCalendarLLChar (
  CDKCALENDAR *calendar, chtype ch);
void setCDKCalendarLRChar (
  CDKCALENDAR *calendar, chtype ch);
void setCDKCalendarMarker (
  CDKCALENDAR *calendar, int day, int month, int year, chtype marker);
void setCDKCalendarMonthAttribute (
  CDKCALENDAR *calendar, chtype attribute);
void setCDKCalendarMonthsNames (
  CDKCALENDAR *calendar, CDK_CONST char **months);
void setCDKCalendarPostProcess (
  CDKCALENDAR *calendar, PROCESSFN callback, void * data);
void setCDKCalendarPreProcess (
  CDKCALENDAR *calendar, PROCESSFN callback, void * data);
setCDKCalendarULChar (
  CDKCALENDAR *calendar, chtype ch);
setCDKCalendarURChar (
  CDKCALENDAR *calendar, chtype ch);
setCDKCalendarVerticalChar (
  CDKCALENDAR *calendar, chtype ch);
void setCDKCalendarYearAttribute (
  CDKCALENDAR *calendar, chtype attribute);

DESCRIPTION

The Cdk calendar widget creates a pop-up calendar. The calendar widget allows the user to traverse through months/years using the cursor keys.

AVAILABLE FUNCTIONS

activateCDKCalendar
  activates the calendar widget and lets the user interact with the widget. The calendar widget is a pointer to a non-NULL calendar widget. If the actions parameter is passed with a non-NULL value, the characters in the array will be injected into the widget. To activate the widget interactively pass in a NULL pointer for actions. If the character entered into this widget is RETURN then this function will return a type of time_t. The time_t type is used in the functions defined in the time.h header file. (see localtime or ctime for more information). If the character entered into this widget was ESCAPE or TAB then this function will return a value of (time_t)-1 and the widget data exitType will be set to vESCAPE_HIT.
destroyCDKCalendar
  removes the widget from the screen and frees memory the object used.
drawCDKCalendar
  draws the label widget on the screen. If the box parameter is true, the widget is drawn with a box.
eraseCDKCalendar
  removes the widget from the screen. This does NOT destroy the widget.
getCDKCalendarBox
  returns whether the widget will be drawn with a box around it.
getCDKCalendarDate
  returns the current date the calendar is displaying.
getCDKCalendarDayAttribute
  returns the attribute of the day attribute of the calendar.
getCDKCalendarHighlight
  returns the attribute of the highlight bar of the scrolling list portion of the widget.
getCDKCalendarMarker
  returns the marker set on the calendar by setCDKCalendarMarker.
getCDKCalendarMonthAttribute
  returns the attribute of the month attribute of the calendar.
getCDKCalendarYearAttribute
  returns the attribute of the year attribute of the calendar.
injectCDKCalendar
  injects a single character into the widget. The parameter calendar is a pointer to a non-NULL calendar widget. The parameter character is the character to inject into the widget. The return value and side-effect (setting the widget data exitType) depend upon the injected character:
RETURN or TAB
  the function returns a value of type time_t (see localtime or ctime for more information). The widget data exitType is set to vNORMAL.
ESCAPE the function returns (time_t)-1. The widget data exitType is set to vESCAPE_HIT.
Otherwise
  unless modified by preprocessing, postprocessing or key bindings, the function returns (time_t)-1. The widget data exitType is set to vEARLY_EXIT.
moveCDKCalendar
  moves the given widget to the given position. The parameters xpos and ypos are the new position of the widget. The parameter xpos may be an integer or one of the pre-defined values TOP, BOTTOM, and CENTER. The parameter ypos may be an integer or one of the pre-defined values LEFT, RIGHT, and CENTER. The parameter relative states whether the xpos/ypos pair is a relative move or an absolute move. For example, if xpos = 1 and ypos = 2 and relative = TRUE, then the widget would move one row down and two columns right. If the value of relative was FALSE then the widget would move to the position (1,2). Do not use the values TOP, BOTTOM, LEFT, RIGHT, or CENTER when relative = TRUE. (weird things may happen). The final parameter refresh is a boolean value which states whether the widget will get refreshed after the move.
newCDKCalendar
  creates a calendar widget and returns a pointer to it. Parameters:
screen
  is the screen you wish this widget to be placed in.
xpos controls the placement of the object along the horizontal axis. It may be an integer or one of the pre-defined values LEFT, RIGHT, and CENTER.
ypos controls the placement of the object along the vertical axis. It may be an integer or one of the pre-defined values TOP, BOTTOM, and CENTER.
title is the string which will be displayed at the top of the widget. The title can be more than one line; just provide a carriage return character at the line break.
year,
month and
day
set the initial date of the calendar.
yearAttrib,
monthAttrib and
dayAttrib
  represent the attributes of the year, month, and day respectively.
highlight
  sets the highlight of the currently selected day.
box is true if the widget should be drawn with a box around it.
shadow
  turns the shadow on or off around this widget.
If the widget could not be created then a NULL pointer is returned.
positionCDKCalendar
  allows the user to move the widget around the screen via the cursor/keypad keys. See cdk_position (3) for key bindings.
removeCDKCalendarMarker
  removes a marker from the calendar.
setCDKCalendar
  lets the programmer modify certain elements of an existing calendar widget. The calendar parameter represents an existing calendar pointer. The other parameter names correspond to the same parameter names listed in the newCDKCalendar function.
setCDKCalendarBackgroundAttrib
  sets the background attribute of the widget. The parameter attribute is a curses attribute, e.g., A_BOLD.
setCDKCalendarBackgroundColor
  sets the background color of the widget. The parameter color is in the format of the Cdk format strings. See cdk_display (3).
setCDKCalendarBox
  sets whether the widget will be drawn with a box around it.
setCDKCalendarBoxAttribute
  sets the attribute of the box.
setCDKCalendarDate
  sets the calendar to the given date. If the value of the day, month, or year parameters is -1 then the current day, month, or year is used to set the date.
setCDKCalendarDayAttribute
  sets the attribute of the day in the calendar.
setCDKCalendarDaysNames
  sets the names of the days of the week. The parameter is a string listing the 2-character abbreviations for the days. The default value is "Su Mo Tu We Th Fr Sa"
"Su" (Sunday) is numbered zero internally, making it by default the first day of the week. Set the weekBase member of the widget to select a different day. For example, Monday would be 1, Tuesday 2, etc.
setCDKCalendarHighlight
  sets the attribute of the highlight bar of the scrolling list portion of the widget.
setCDKCalendarHorizontalChar
  sets the horizontal drawing character for the box to the given character.
setCDKCalendarLLChar
  sets the lower left hand corner of the widget’s box to the given character.
setCDKCalendarLRChar
  sets the lower right hand corner of the widget’s box to the given character.
setCDKCalendarMarker
  allows the user to set a marker which will be displayed when the month is drawn. The marker parameter is the attribute to use when drawing the marker. If more than one marker is set on a single day, then the day will blink with the original marker attribute.
setCDKCalendarMonthAttribute
  sets the attribute of the month in the calendar.
setCDKCalendarMonthsNames
  sets the names of the months of the year. The parameter is a 13-element array (since indexing starts with 1). The default values are the English month names, e.g., "January".
setCDKCalendarPostProcess
  allows the user to have the widget call a function after the key has been applied to the widget. The parameter function is the callback function. The parameter data points to data passed to the callback function. To learn more about post-processing see cdk_process (3).
setCDKCalendarPreProcess
  allows the user to have the widget call a function after a key is hit and before the key is applied to the widget. The parameter function is the callback function. The parameter data points to data passed to the callback function. To learn more about pre-processing see cdk_process (3).
setCDKCalendarULChar
  sets the upper left hand corner of the widget’s box to the given character.
setCDKCalendarURChar
  sets the upper right hand corner of the widget’s box to the given character.
setCDKCalendarVerticalChar
  sets the vertical drawing character for the box to the given character.
setCDKCalendarYearAttribute
  sets the attribute of the year in the calendar.

KEY BINDINGS

When the widget is activated there are several default key bindings which will help the user enter or manipulate the information quickly. The following table outlines the keys and their actions for this widget.

KeyAction
Left ArrowMoves the cursor to the previous day.
Right ArrowMoves the cursor to the next day.
Up ArrowMoves the cursor to the next week.
Down ArrowMoves the cursor to the previous week.
tSets the calendar to the current date.
TSets the calendar to the current date.
nAdvances the calendar one month ahead.
NAdvances the calendar six months ahead.
pAdvances the calendar one month back.
PAdvances the calendar six months back.
-Advances the calendar one year ahead.
+Advances the calendar one year back.
ReturnExits the widget and returns a value of time_t which represents the day selected at 1 second after midnight. This also sets the widget data exitType to vNORMAL.
TabExits the widget and returns a value of time_t which represents the day selected at 1 second after midnight. This also sets the widget data exitType to vNORMAL.
EscapeExits the widget and returns (time_)-1. This also sets the widget data exitType to vESCAPE_HIT.
Ctrl-LRefreshes the screen.

SEE ALSO

cdk(3), cdk_binding(3), cdk_display(3), cdk_position(3), cdk_screen(3)
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