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Man Pages


Manual Reference Pages  -  ACTIVATECDKTEMPLATE (3)

NAME

cdk_template - a curses template widget.

CONTENTS

Synopsis
Description
Available Functions
Key Bindings
See Also

SYNOPSIS

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

#include <cdk.h>


char *activateCDKTemplate (
  CDKTEMPLATE *template, chtype * actions);
void cleanCDKTemplate (
  CDKTEMPLATE *template);
void destroyCDKTemplate (
  CDKTEMPLATE *template);
void drawCDKTemplate (
  CDKTEMPLATE *template, boolean box);
void eraseCDKTemplate (
  CDKTEMPLATE *template);
boolean getCDKTemplateBox (
  CDKTEMPLATE *template);
int getCDKTemplateMin (
  CDKTEMPLATE *template);
char *getCDKTemplateValue (
  CDKTEMPLATE *template);
char *injectCDKTemplate (
  CDKTEMPLATE *template, chtype input);
char *mixCDKTemplate (
  CDKTEMPLATE *template);
void moveCDKTemplate (
  CDKTEMPLATE *template, int xpos, int ypos, boolean relative, boolean refresh);
CDKTEMPLATE *newCDKTemplate (
  CDKSCREEN *cdkscreen, int xpos, int ypos, const char *title, const char *label, const char *plate, const char *overlay, boolean box, boolean shadow);
void positionCDKTemplate (
  CDKTEMPLATE *template);
void setCDKTemplate (
  CDKTEMPLATE *template, const char *value, boolean box);
void setCDKTemplateBackgroundAttrib (
  CDKTEMPLATE *template, chtype attribute);
void setCDKTemplateBackgroundColor (
  CDKTEMPLATE *template, const char * color);
void setCDKTemplateBox (
  CDKTEMPLATE *template, boolean box);
void setCDKTemplateBoxAttribute (
  CDKTEMPLATE *template, chtype character);
void setCDKTemplateCB (
  CDKTEMPLATE *template, TEMPLATECB callbackFunction);
void setCDKTemplateHorizontalChar (
  CDKTEMPLATE *template, chtype character);
void setCDKTemplateLLChar (
  CDKTEMPLATE *template, chtype character);
void setCDKTemplateLRChar (
  CDKTEMPLATE *template, chtype character);
void setCDKTemplateMin (
  CDKTEMPLATE *template, int minimum);
void setCDKTemplatePostProcess (
  CDKTEMPLATE *template, PROCESSFN callback, void * data);
void setCDKTemplatePreProcess (
  CDKTEMPLATE *template, PROCESSFN callback, void * data);
void setCDKTemplateULChar (
  CDKTEMPLATE *template, chtype character);
void setCDKTemplateURChar (
  CDKTEMPLATE *template, chtype character);
void setCDKTemplateValue (
  CDKTEMPLATE *template, const char *value);
void setCDKTemplateVerticalChar (
  CDKTEMPLATE *template, chtype character);
char *unmixCDKTemplate (
  CDKTEMPLATE *template, const char *string);

DESCRIPTION

The Cdk template widget creates a template widget which allows a user to type information into an entry field with a pre-set field format. Typical uses for this widget would be a date field or a time field. The following are functions which create or manipulate the Cdk template box widget.

AVAILABLE FUNCTIONS

activateCDKTemplate
  activates the template widget and lets the user interact with the widget. The parameter template is a pointer to a non-NULL template 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 or TAB then this function will return a char * representing the information typed into the widget and the widget data exitType will be set to vNORMAL. If the character entered was ESCAPE then the function will return NULL pointer and the widget data exitType is set to vESCAPE_HIT.
cleanCDKTemplate
  clears the information from the field.
destroyCDKTemplate
  removes the widget from the screen and frees any memory the object used.
drawCDKTemplate
  draws the template widget on the screen. If box is true, the widget is drawn with a box.
eraseCDKTemplate
  removes the widget from the screen. This does NOT destroy the widget.
getCDKTemplateBox
  returns true if the widget will be drawn with a box around it.
getCDKTemplateMin
  returns the minimum characters that must be entered before the widget will exit.
getCDKTemplateValue
  returns the current value of the widget.
injectCDKTemplate
  injects a single character into the widget. The parameter template is a pointer to a non-NULL template 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 char * representing the information typed into the widget. The widget data exitType is set to vNORMAL.
ESCAPE the function returns a NULL pointer. The widget data exitType is set to vESCAPE_HIT.
Otherwise
  unless modified by preprocessing, postprocessing or key bindings, the function returns a NULL pointer. The widget data exitType is set to vEARLY_EXIT.
mixCDKTemplate
  returns a char* pointer to the field value and the plate.
moveCDKTemplate
  moves the given widget to the given position. The parameters xpos and ypos are the new position of the widget. The parameter xpos is an integer or one of the predefined 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 be repainted after the move.
newCDKTemplate
  creates a template widget, returning 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 to display at the top of the widget. The title can be more than one line; just provide a carriage return character at the line break.
label is the string to display in the label of the template field.
plate defines the character to allow at each position in the template field. This is done by creating a character plate by using special format character to tell the template widget what type of character is allowed where in the template widget. The following table lists the format types.

Plate_Character
#Accepts an integer.
AAccepts an alphabetic value.
CAccepts an alphabetic value. Automatically converts the character to upper case.
cAccepts an alphabetic value. Automatically converts the character to lower case.
MAccepts alphanumeric characters.
XAccepts alphanumeric characters. Automatically converts the character to upper case.
xAccepts alphanumeric characters. Automatically converts the character to upper case.
Anything elseIgnored and assumed a non-editable position.
overlay
  is the overlay of the template field. If the field needs some sort of overlay, this parameter supplies this. A date field could have YY/MM/DD, the overlay parameter would display YY/MM/DD on an empty template field.
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.
positionCDKTemplate
  allows the user to move the widget around the screen via the single keystroke commands. See cdk_position (3) for key bindings.
setCDKTemplate
  lets the programmer modify certain elements of an existing template widget. The parameter names correspond to the same parameter names listed in the newCDKTemplate function.
setCDKTemplateBackgroundAttrib
  sets the background attribute of the widget. The parameter attribute is a curses attribute, e.g., A_BOLD.
setCDKTemplateBackgroundColor
  sets the background color of the widget. The parameter color is in the format of the Cdk format strings. For more information, see the cdk_display (3).
setCDKTemplateBox
  sets a flag, true if the widget will be drawn with a box around it.
setCDKTemplateBoxAttribute
  sets the attribute of the box.
setCDKTemplateCB
  allows the programmer to set a different widget input handler. The parameter callbackFunction is of type TEMPLATECB. The default input handler is CDKTemplateCallBack.
setCDKTemplateHorizontalChar
  sets the horizontal drawing character for the box to the given character.
setCDKTemplateLLChar
  sets the lower left hand corner of the widget’s box to the given character.
setCDKTemplateLRChar
  sets the lower right hand corner of the widget’s box to the given character.
setCDKTemplateMin
  sets the minimum number of characters that must be entered before the widget will exit.
setCDKTemplatePostProcess
  allows the user to have the widget call a function after the key has been applied to the widget. To learn more about post-processing see cdk_process (3).
setCDKTemplatePreProcess
  allows the user to have the widget call a function after a key is hit and before the key is applied to the widget. To learn more about preprocessing see cdk_process (3).
setCDKTemplateULChar
  sets the upper left hand corner of the widget’s box to the given character.
setCDKTemplateURChar
  sets the upper right hand corner of the widget’s box to the given character.
setCDKTemplateValue
  sets a value in the widget.
setCDKTemplateVerticalChar
  sets the vertical drawing character for the box to the given character.
unmixCDKTemplate
  returns a char* pointer to the field value without any plate characters.

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
DeleteDeletes the character at the cursor.
BackspaceDeletes the character before cursor, moves cursor left.
Ctrl-PPastes whatever is in the paste buffer, into the widget.
Ctrl-KCuts the contents from the widget and saves a copy in the paste buffer.
Ctrl-TCopies the contents of the widget into the paste buffer.
Ctrl-EErases the contents of the widget.
ReturnExits the widget and returns a char* representing the information which was typed into the field. It also sets the widget data exitType to vNORMAL.
TabExits the widget and returns a char* representing the information which was typed into the field. It also sets the widget data exitType to vNORMAL.
EscapeExits the widget and returns a NULL pointer. It also sets the widget data exitType to vESCAPE_HIT.
Ctrl-LRefreshes the screen.

SEE ALSO

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