+
#include <form.h>
- int form_driver(FORM *form, int c);
+ int form_driver(FORM *form, int c);
+ int form_driver_w(FORM *form, int c, wchar_t wch);
-DESCRIPTION
+
+
+
+
Once a form has been posted (displayed), you should funnel
input events to it through form_driver. This routine has
three major input cases:
@@ -65,7 +69,7 @@
o The input is a form navigation request. Navigation
request codes are constants defined in <form.h>, which
are distinct from the key- and character codes
- returned by wgetch.
+ returned by wgetch(3x).
o The input is a printable character. Printable charac-
ters (which must be positive, less than 256) are
@@ -74,195 +78,95 @@
o The input is the KEY_MOUSE special key associated with
an mouse event.
- The form driver requests are as follows:
-
- REQ_NEXT_PAGE
- Move to the next page.
-
- REQ_PREV_PAGE
- Move to the previous page.
-
- REQ_FIRST_PAGE
- Move to the first page.
-
- REQ_LAST_PAGE
- Move to the last field.
-
-
- REQ_NEXT_FIELD
- Move to the next field.
-
- REQ_PREV_FIELD
- Move to the previous field.
-
- REQ_FIRST_FIELD
- Move to the first field.
-
- REQ_LAST_FIELD
- Move to the last field.
-
- REQ_SNEXT_FIELD
- Move to the sorted next field.
-
- REQ_SPREV_FIELD
- Move to the sorted previous field.
-
- REQ_SFIRST_FIELD
- Move to the sorted first field.
-
- REQ_SLAST_FIELD
- Move to the sorted last field.
-
- REQ_LEFT_FIELD
- Move left to a field.
-
- REQ_RIGHT_FIELD
- Move right to a field.
-
- REQ_UP_FIELD
- Move up to a field.
-
- REQ_DOWN_FIELD
- Move down to a field.
-
-
- REQ_NEXT_CHAR
- Move to the next char.
-
- REQ_PREV_CHAR
- Move to the previous char.
-
- REQ_NEXT_LINE
- Move to the next line.
-
- REQ_PREV_LINE
- Move to the previous line.
-
- REQ_NEXT_WORD
- Move to the next word.
-
- REQ_PREV_WORD
- Move to the previous word.
-
- REQ_BEG_FIELD
- Move to the beginning of the field.
-
- REQ_END_FIELD
- Move to the end of the field.
-
- REQ_BEG_LINE
- Move to the beginning of the line.
-
- REQ_END_LINE
- Move to the end of the line.
-
- REQ_LEFT_CHAR
- Move left in the field.
-
- REQ_RIGHT_CHAR
- Move right in the field.
-
- REQ_UP_CHAR
- Move up in the field.
- REQ_DOWN_CHAR
- Move down in the field.
-
-
- REQ_NEW_LINE
- Insert or overlay a new line.
-
- REQ_INS_CHAR
- Insert a blank at the cursor.
-
- REQ_INS_LINE
- Insert a blank line at the cursor.
-
- REQ_DEL_CHAR
- Delete character at the cursor.
-
- REQ_DEL_PREV
- Delete character before the cursor.
-
- REQ_DEL_LINE
- Delete line at the cursor.
-
- REQ_DEL_WORD
- Delete blank-delimited word at the cursor.
-
- REQ_CLR_EOL
- Clear to end of line from cursor.
-
- REQ_CLR_EOF
- Clear to end of field from cursor.
-
- REQ_CLR_FIELD
- Clear the entire field.
-
- REQ_OVL_MODE
- Enter overlay mode.
-
- REQ_INS_MODE
- Enter insert mode.
-
-
- REQ_SCR_FLINE
- Scroll the field forward a line.
-
- REQ_SCR_BLINE
- Scroll the field backward a line.
-
- REQ_SCR_FPAGE
- Scroll the field forward a page.
-
- REQ_SCR_BPAGE
- Scroll the field backward a page.
-
- REQ_SCR_FHPAGE
- Scroll the field forward half a page.
-
- REQ_SCR_BHPAGE
- Scroll the field backward half a page.
-
-
- REQ_SCR_FCHAR
- Scroll the field forward a character.
-
- REQ_SCR_BCHAR
- Scroll the field backward a character.
-
- REQ_SCR_HFLINE
- Horizontal scroll the field forward a line.
-
- REQ_SCR_HBLINE
- Horizontal scroll the field backward a line.
-
- REQ_SCR_HFHALF
- Horizontal scroll the field forward half a line.
-
- REQ_SCR_HBHALF
- Horizontal scroll the field backward half a line.
-
-
- REQ_VALIDATION
- Validate field.
+
+
+ This extension simplifies the use of the forms library
+ using wide characters. The input is either a key code (a
+ request) or a wide character returned by get_wch(3x). The
+ type must be passed as well, to enable the library to
+ determine whether the parameter is a wide character or a
+ request.
- REQ_NEXT_CHOICE
- Display next field choice.
- REQ_PREV_CHOICE
- Display previous field choice.
+
+
+ The form driver requests are as follows:
- If the second argument is a printable character, the
- driver places it in the current position in the current
- field. If it is one of the forms requests listed above,
+ Name Description
+ -------------------------------------------------------------------------
+ REQ_BEG_FIELD Move to the beginning of the field.
+ REQ_BEG_LINE Move to the beginning of the line.
+ REQ_CLR_EOF Clear to end of field from cursor.
+ REQ_CLR_EOL Clear to end of line from cursor.
+ REQ_CLR_FIELD Clear the entire field.
+ REQ_DEL_CHAR Delete character at the cursor.
+ REQ_DEL_LINE Delete line at the cursor.
+ REQ_DEL_PREV Delete character before the cursor.
+ REQ_DEL_WORD Delete blank-delimited word at the cursor.
+ REQ_DOWN_CHAR Move down in the field.
+ REQ_DOWN_FIELD Move down to a field.
+ REQ_END_FIELD Move to the end of the field.
+ REQ_END_LINE Move to the end of the line.
+ REQ_FIRST_FIELD Move to the first field.
+ REQ_FIRST_PAGE Move to the first page.
+ REQ_INS_CHAR Insert a blank at the cursor.
+ REQ_INS_LINE Insert a blank line at the cursor.
+ REQ_INS_MODE Enter insert mode.
+ REQ_LAST_FIELD Move to the last field.
+ REQ_LAST_PAGE Move to the last field.
+ REQ_LEFT_CHAR Move left in the field.
+ REQ_LEFT_FIELD Move left to a field.
+
+ REQ_NEW_LINE Insert or overlay a new line.
+ REQ_NEXT_CHAR Move to the next char.
+ REQ_NEXT_CHOICE Display next field choice.
+ REQ_NEXT_FIELD Move to the next field.
+ REQ_NEXT_LINE Move to the next line.
+ REQ_NEXT_PAGE Move to the next page.
+ REQ_NEXT_PAGE Move to the next page.
+ REQ_NEXT_WORD Move to the next word.
+ REQ_OVL_MODE Enter overlay mode.
+ REQ_PREV_CHAR Move to the previous char.
+ REQ_PREV_CHOICE Display previous field choice.
+ REQ_PREV_FIELD Move to the previous field.
+ REQ_PREV_LINE Move to the previous line.
+ REQ_PREV_PAGE Move to the previous page.
+ REQ_PREV_WORD Move to the previous word.
+ REQ_RIGHT_CHAR Move right in the field.
+ REQ_RIGHT_FIELD Move right to a field.
+ REQ_SCR_BCHAR Scroll the field backward a character.
+ REQ_SCR_BHPAGE Scroll the field backward half a page.
+ REQ_SCR_BLINE Scroll the field backward a line.
+ REQ_SCR_BPAGE Scroll the field backward a page.
+ REQ_SCR_FCHAR Scroll the field forward a character.
+ REQ_SCR_FHPAGE Scroll the field forward half a page.
+ REQ_SCR_FLINE Scroll the field forward a line.
+ REQ_SCR_FPAGE Scroll the field forward a page.
+ REQ_SCR_HBHALF Horizontal scroll the field backward half a line.
+ REQ_SCR_HBLINE Horizontal scroll the field backward a line.
+ REQ_SCR_HFHALF Horizontal scroll the field forward half a line.
+ REQ_SCR_HFLINE Horizontal scroll the field forward a line.
+ REQ_SFIRST_FIELD Move to the sorted first field.
+ REQ_SLAST_FIELD Move to the sorted last field.
+ REQ_SNEXT_FIELD Move to the sorted next field.
+ REQ_SPREV_FIELD Move to the sorted previous field.
+ REQ_UP_CHAR Move up in the field.
+ REQ_UP_FIELD Move up to a field.
+ REQ_VALIDATION Validate field.
+
+ If the second argument is a printable character, the
+ driver places it in the current position in the current
+ field. If it is one of the forms requests listed above,
that request is executed.
- MOUSE HANDLING
- If the second argument is the KEY_MOUSE special key, the
+
+
+
+ If the second argument is the KEY_MOUSE special key, the
associated mouse event is translated into one of the above
- pre-defined requests. Currently only clicks in the user
- window (e.g., inside the form display area or the decora-
+ pre-defined requests. Currently only clicks in the user
+ window (e.g., inside the form display area or the decora-
tion window) are handled.
If you click above the display region of the form:
@@ -281,43 +185,45 @@
a REQ_LAST_FIELD is generated for a triple-click.
- If you click at an field inside the display area of the
+ If you click at an field inside the display area of the
form:
o the form cursor is positioned to that field.
- o If you double-click a field, the form cursor is
- positioned to that field and E_UNKNOWN_COMMAND is
+ o If you double-click a field, the form cursor is
+ positioned to that field and E_UNKNOWN_COMMAND is
returned. This return value makes sense, because a
- double click usually means that an field-specific
- action should be returned. It is exactly the pur-
- pose of this return value to signal that an appli-
+ double click usually means that an field-specific
+ action should be returned. It is exactly the pur-
+ pose of this return value to signal that an appli-
cation specific command should be executed.
- o If a translation into a request was done,
+ o If a translation into a request was done,
form_driver returns the result of this request.
- If you clicked outside the user window or the mouse event
- could not be translated into a form request an
+ If you clicked outside the user window or the mouse event
+ could not be translated into a form request an
E_REQUEST_DENIED is returned.
- APPLICATION-DEFINED COMMANDS
+
+
+
If the second argument is neither printable nor one of the
- above pre-defined form requests, the driver assumes it is
+ above pre-defined form requests, the driver assumes it is
an application-specific command and returns E_UNKNOWN_COM-
MAND. Application-defined commands should be defined rel-
- ative to MAX_COMMAND, the maximum value of these pre-
+ ative to MAX_COMMAND, the maximum value of these pre-
defined requests.
-RETURN VALUE
+
form_driver returns one of the following error codes:
E_OK The routine succeeded.
E_BAD_ARGUMENT
- Routine detected an incorrect or out-of-range argu-
+ Routine detected an incorrect or out-of-range argu-
ment.
E_BAD_STATE
@@ -341,35 +247,50 @@
-SEE ALSO
+
curses(3x), form(3x), form_variables(3x), curs_getch(3x).
-NOTES
+
The header file <form.h> automatically includes the header
files <curses.h>.
-PORTABILITY
- These routines emulate the System V forms library. They
+
+ These routines emulate the System V forms library. They
were not supported on Version 7 or BSD versions.
-AUTHORS
- Juergen Pfeifer. Manual pages and adaptation for new
+
+ Juergen Pfeifer. Manual pages and adaptation for new
curses by Eric S. Raymond.
form_driver(3x)
-
-
-Man(1) output converted with
-man2html
-
+