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commutil.c
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commutil.c
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/***********************************************************************/
/* COMMUTIL.C - */
/* This file contains all utility functions used when processing */
/* commands. */
/***********************************************************************/
/*
* THE - The Hessling Editor. A text editor similar to VM/CMS xedit.
* Copyright (C) 1991-2013 Mark Hessling
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to:
*
* The Free Software Foundation, Inc.
* 675 Mass Ave,
* Cambridge, MA 02139 USA.
*
*
* If you make modifications to this software that you feel increases
* it usefulness for the rest of the community, please email the
* changes, enhancements, bug fixes as well as any and all ideas to me.
* This software is going to be maintained and enhanced as deemed
* necessary by the community.
*
* Mark Hessling, [email protected] http://www.rexx.org/
*/
#include "the.h"
#include "proto.h"
#include "key.h"
#include "command.h"
#ifdef HAVE_PROTO
static CHARTYPE *build_defined_key_definition(int, CHARTYPE *,DEFINE *,int);
static void save_last_command(CHARTYPE *,CHARTYPE *);
void AdjustThighlight( int );
static bool save_target( TARGET * );
#else
static CHARTYPE *build_defined_key_definition();
static void save_last_command();
void AdjustThighlight();
static bool save_target();
#endif
#define HEXVAL(c) (((c)>'9')?(tolower(c)-'a'+10):((c)-'0'))
static CHARTYPE _THE_FAR *cmd_history[MAX_SAVED_COMMANDS];
static short cmd_history_len[MAX_SAVED_COMMANDS];
static short last_cmd=(-1),current_cmd=0,number_cmds=0,offset_cmd=0;
// CHARTYPE _THE_FAR last_command_for_reexecute[MAX_COMMAND_LENGTH];
// CHARTYPE _THE_FAR last_command_for_repeat[MAX_COMMAND_LENGTH];
// CHARTYPE _THE_FAR last_command_for_repeat_in_macro[MAX_COMMAND_LENGTH];
CHARTYPE _THE_FAR *last_command_for_reexecute;
short last_command_for_reexecute_len;
CHARTYPE _THE_FAR *last_command_for_repeat;
short last_command_for_repeat_len;
CHARTYPE _THE_FAR *last_command_for_repeat_in_macro;
short last_command_for_repeat_in_macro_len;
#define KEY_REDEF "/* Key re-definitions */"
#define KEY_DEFAULT "/* Default key definitions */"
#define KEY_MOUSE_REDEF "/* Mouse definitions */"
/*
* The following two static variables are for reserving space for the
* parameters of a command. Space for temp_params is allocated and
* freed in the.c. If the size of the string to be placed into
* temp_params is > length_temp_params, reallocate a larger area and
* set the value of length_temp_params to reflect the new size.
*/
static CHARTYPE *temp_params=NULL;
static LENGTHTYPE length_temp_params=0;
/*
* The following two static variables are for reserving space for the
* directories in a macro path. Space for temp_macros is allocated and
* freed in the.c. If the size of the string to be placed into
* temp_macros is > length_temp_macros reallocate a larger area and
* set the value of length_temp_macros to reflect the new size.
*/
static CHARTYPE *temp_macros=NULL;
static LENGTHTYPE length_temp_macros=0;
/*
* The following two static variables are for reserving space for the
* contents of a command. Space for tmp_cmd is allocated and
* freed in the.c. If the size of the string to be placed into
* tmp_cmd is > length_tmp_cmd , reallocate a larger area and
* set the value of length_tmp_cmd to reflect the new size.
*/
static CHARTYPE *tmp_cmd=NULL;
static LENGTHTYPE length_tmp_cmd=0;
/*
* The following two variables are for reserving space for the
* contents of a command. Space for temp_cmd is allocated and
* freed in the.c. If the size of the string to be placed into
* temp_cmd is > length_temp_cmd , reallocate a larger area and
* set the value of length_temp_cmd to reflect the new size.
*/
CHARTYPE *temp_cmd=NULL;
static LENGTHTYPE length_temp_cmd=0;
/*
* The following two are to specify the first and last items in the
* linked list for key definitions.
*/
DEFINE *first_define=NULL;
DEFINE *last_define=NULL;
/*
* The following two are to specify the first and last items in the
* linked list for command synonyms.
*/
DEFINE *first_synonym=NULL;
DEFINE *last_synonym=NULL;
/*
* The following two are to specify the first and last items in the
* linked list for mouse button definitions.
*/
DEFINE *first_mouse_define=NULL;
DEFINE *last_mouse_define=NULL;
/*
* Key re-definition pseudo files.
*/
LINE *key_first_line=NULL;
LINE *key_last_line=NULL;
LINETYPE key_number_lines=0L;
AREAS _THE_FAR valid_areas[ATTR_MAX]=
{
{(CHARTYPE *)"FILEAREA" ,1,WINDOW_FILEAREA ,TRUE },
{(CHARTYPE *)"CURLINE" ,2,WINDOW_FILEAREA ,FALSE},
{(CHARTYPE *)"BLOCK" ,1,WINDOW_FILEAREA ,FALSE},
{(CHARTYPE *)"CBLOCK" ,2,WINDOW_FILEAREA ,FALSE},
{(CHARTYPE *)"CMDLINE" ,1,WINDOW_COMMAND ,TRUE },
{(CHARTYPE *)"IDLINE" ,1,WINDOW_IDLINE ,TRUE },
{(CHARTYPE *)"MSGLINE" ,1,WINDOW_ERROR ,FALSE},
{(CHARTYPE *)"ARROW" ,1,WINDOW_ARROW ,TRUE },
{(CHARTYPE *)"PREFIX" ,2,WINDOW_PREFIX ,TRUE },
{(CHARTYPE *)"CPREFIX" ,3,WINDOW_PREFIX ,TRUE },
{(CHARTYPE *)"PENDING" ,1,WINDOW_PREFIX ,FALSE},
{(CHARTYPE *)"SCALE" ,1,WINDOW_FILEAREA ,FALSE},
{(CHARTYPE *)"TOFEOF" ,2,WINDOW_FILEAREA ,FALSE},
{(CHARTYPE *)"CTOFEOF" ,2,WINDOW_FILEAREA ,FALSE},
{(CHARTYPE *)"TABLINE" ,1,WINDOW_FILEAREA ,FALSE},
{(CHARTYPE *)"SHADOW" ,2,WINDOW_FILEAREA ,FALSE},
{(CHARTYPE *)"STATAREA" ,2,WINDOW_STATAREA ,TRUE },
{(CHARTYPE *)"DIVIDER" ,1,WINDOW_DIVIDER ,TRUE },
{(CHARTYPE *)"RESERVED" ,1,WINDOW_RESERVED ,FALSE},
{(CHARTYPE *)"NONDISP" ,1,WINDOW_FILEAREA ,FALSE},
{(CHARTYPE *)"HIGHLIGHT" ,2,WINDOW_FILEAREA ,FALSE},
{(CHARTYPE *)"CHIGHLIGHT" ,3,WINDOW_FILEAREA ,FALSE},
{(CHARTYPE *)"THIGHLIGHT" ,5,WINDOW_FILEAREA ,FALSE},
{(CHARTYPE *)"SLK" ,3,WINDOW_SLK ,FALSE},
{(CHARTYPE *)"GAP" ,3,WINDOW_PREFIX ,FALSE},
{(CHARTYPE *)"CGAP" ,4,WINDOW_PREFIX ,FALSE},
{(CHARTYPE *)"ALERT" ,5,WINDOW_DIVIDER ,FALSE},
{(CHARTYPE *)"DIALOG" ,6,WINDOW_DIVIDER ,FALSE},
{(CHARTYPE *)"BOUNDMARKER" ,5,WINDOW_FILEAREA ,FALSE},
{(CHARTYPE *)"FILETABS" ,8,WINDOW_FILETABS ,TRUE },
{(CHARTYPE *)"FILETABSDIV" ,11,WINDOW_FILETABS ,TRUE },
{(CHARTYPE *)"CURSORLINE" ,6,WINDOW_FILEAREA ,TRUE },
{(CHARTYPE *)"DIALOGBORDER" ,12,WINDOW_DIVIDER ,FALSE},
{(CHARTYPE *)"DIALOGEDITFIELD",15,WINDOW_DIVIDER ,FALSE},
{(CHARTYPE *)"DIALOGBUTTON" ,12,WINDOW_DIVIDER ,FALSE},
{(CHARTYPE *)"DIALOGABUTTON" ,13,WINDOW_DIVIDER ,FALSE},
{(CHARTYPE *)"POPUPBORDER" ,11,WINDOW_DIVIDER ,FALSE},
{(CHARTYPE *)"POPUPCURLINE" ,12,WINDOW_DIVIDER ,FALSE},
{(CHARTYPE *)"POPUP" ,5,WINDOW_DIVIDER ,FALSE},
{(CHARTYPE *)"POPUPDIVIDER" ,12,WINDOW_DIVIDER ,FALSE},
};
/***********************************************************************/
#ifdef HAVE_PROTO
CHARTYPE *get_key_name(int key, int *shift)
#else
CHARTYPE *get_key_name(key,shift)
int key;
int *shift;
#endif
/***********************************************************************/
{
register short i=0;
CHARTYPE *keyname=NULL;
TRACE_FUNCTION("commutil.c:get_key_name");
/*
* Get name of key...
*/
*shift = 0;
for (i=0;key_table[i].mnemonic!=NULL;i++)
{
if (key == key_table[i].key_value)
{
keyname = key_table[i].mnemonic;
*shift = key_table[i].shift;
break;
}
}
TRACE_RETURN();
return(keyname);
}
/***********************************************************************/
#ifdef HAVE_PROTO
CHARTYPE *get_key_definition( int key, int define_format, bool default_keys, bool mouse_key )
#else
CHARTYPE *get_key_definition( key, define_format, default_keys, mouse_key )
int key;
int define_format;
bool default_keys,mouse_key;
#endif
/***********************************************************************/
{
register short i=0;
DEFINE *curr=NULL;
bool check_redefined=TRUE;
bool check_default=TRUE;
CHARTYPE *keyname=NULL;
CHARTYPE _THE_FAR key_buf[50];
int dummy=0;
TRACE_FUNCTION("commutil.c:get_key_definition");
/*
* First determine if the key is a named key.
*/
if (mouse_key)
keyname = mouse_key_number_to_name( key, key_buf, &dummy );
else
keyname = get_key_name( key, &dummy );
/*
* If key is invalid, show it as a character and decimal; provided it
* is an ASCII or extended character.
*/
if (keyname == NULL)
{
if ( define_format == THE_KEY_DEFINE_DEFINE )
sprintf( (DEFCHAR *)temp_cmd, "\"define \\%d ", key );
else if ( define_format == THE_KEY_DEFINE_SHOW )
sprintf( (DEFCHAR *)temp_cmd, "Key: \\%d", key );
else
strcpy( (DEFCHAR *)temp_cmd, "" );
}
else
{
if ( define_format == THE_KEY_DEFINE_DEFINE )
{
sprintf( (DEFCHAR *)temp_cmd, "\"define %s ", (DEFCHAR *)keyname );
}
else if ( define_format == THE_KEY_DEFINE_SHOW )
{
sprintf( (DEFCHAR *)temp_cmd, "Key: %s ", (DEFCHAR *)keyname );
}
else if ( define_format == THE_KEY_DEFINE_QUERY )
{
sprintf( (DEFCHAR *)temp_cmd, "%s ", (DEFCHAR *)keyname );
}
else
strcpy( (DEFCHAR *)temp_cmd, "" );
}
if ( mouse_key )
check_default = check_redefined = FALSE;
else
{
if ( define_format == THE_KEY_DEFINE_DEFINE )
{
check_default = (default_keys) ? TRUE : FALSE;
check_redefined = (default_keys) ? FALSE : TRUE;
}
}
/*
* If we want to first check redefined keys...
*/
if ( check_redefined )
{
/*
* Next check to see if the key has been "defined".
*/
curr = first_define;
if ( build_defined_key_definition( key, temp_cmd, curr, define_format ) != (CHARTYPE *)NULL )
{
if ( define_format != THE_KEY_DEFINE_RAW
&& define_format != THE_KEY_DEFINE_QUERY )
strcat( (DEFCHAR *)temp_cmd, "\"" );
TRACE_RETURN();
return( temp_cmd );
}
}
/*
* If not, check for the default function key values.
*/
if ( check_default )
{
for ( i = 0; command[i].text != NULL; i++ )
{
if ( key == command[i].funkey )
{
if ( define_format == THE_KEY_DEFINE_DEFINE )
strcat((DEFCHAR *)temp_cmd," ");
else if ( define_format == THE_KEY_DEFINE_SHOW )
strcat((DEFCHAR *)temp_cmd," - assigned to \"");
build_default_key_definition( i, temp_cmd );
if ( define_format != THE_KEY_DEFINE_RAW
&& define_format != THE_KEY_DEFINE_QUERY )
strcat( (DEFCHAR *)temp_cmd,"\"" );
TRACE_RETURN();
return( temp_cmd );
}
}
}
/*
* If we want to check mouse key definitions.
*/
if ( mouse_key )
{
/*
* Next check to see if the key has been "defined".
*/
curr = first_mouse_define;
if ( build_defined_key_definition( key, temp_cmd, curr, define_format ) != (CHARTYPE *)NULL )
{
if ( define_format != THE_KEY_DEFINE_RAW
&& define_format != THE_KEY_DEFINE_QUERY )
strcat( (DEFCHAR *)temp_cmd, "\"" );
TRACE_RETURN();
return( temp_cmd );
}
}
/*
* If none of the above, it is unassigned. We should never get here if
* define_format is TRUE.
*/
if ( define_format == THE_KEY_DEFINE_RAW )
{
if ( key < 256 && key >= 0 )
{
if ( etmode_flag[key] )
{
sprintf( (DEFCHAR *)temp_cmd, "TEXT d'%d'", key );
}
else
{
sprintf( (DEFCHAR *)temp_cmd, "TEXT %c", (char)key );
}
}
}
else
{
strcat((DEFCHAR *)temp_cmd," - unassigned");
}
TRACE_RETURN();
return(temp_cmd);
}
/***********************************************************************/
#ifdef HAVE_PROTO
static short execute_synonym( CHARTYPE *synonym, CHARTYPE *params )
#else
static short execute_synonym( synonym, params )
CHARTYPE *synonym, *params;
#endif
/***********************************************************************/
{
DEFINE *curr=(DEFINE *)NULL;
short rc=RC_FILE_NOT_FOUND;
CHARTYPE *key_cmd=NULL;
short macrorc=0;
int tokenised=0;
int params_len,def_params_len;
char *spc;
TRACE_FUNCTION("commutil.c:execute_synonym");
/*
* First check to see if the function key has been redefined and save
* all key redefinitions. This is because we may be redefining a
* function key in the middle of its redefinition. eg ENTER key
*/
curr = first_synonym;
while(curr != (DEFINE *)NULL)
{
if ( equal( curr->synonym, synonym,curr->def_funkey ) )
{
/*
* If there are no more files in the ring, and the command is not a
* command to edit a new file, then ignore the command.
*/
if (number_of_files == 0
&& curr->def_command != (-1)
&& !command[curr->def_command].edit_command)
{
rc = RC_OK;
curr = NULL;
break;
}
/*
* If running in read-only mode and the function selected is not valid
* display an error.
*/
if (number_of_files != 0
&& ISREADONLY(CURRENT_FILE)
&& curr->def_command != (-1)
&& !command[curr->def_command].valid_in_readonly)
{
display_error(56,(CHARTYPE *)"",FALSE);
rc = RC_INVALID_ENVIRON;
curr = NULL;
break;
}
/*
* We need to sort out synonym arguments now. We can have arguments
* from the synonym's definition and also from the command line.
* Append them in that order.
*/
def_params_len = strlen( (DEFCHAR *)curr->def_params );
params_len = strlen( (DEFCHAR *)params );
if ((key_cmd = (CHARTYPE *)(*the_malloc)(def_params_len+params_len+2)) == NULL)
{
display_error(30,(CHARTYPE *)"",FALSE);
rc = RC_OUT_OF_MEMORY;
curr = NULL;
break;
}
if ( def_params_len && params_len )
spc = " ";
else
spc = "";
sprintf( (DEFCHAR *)key_cmd, "%s%s%s", (DEFCHAR *)curr->def_params, spc, (DEFCHAR *)params );
if (curr->def_command == (-1))
{
rc = execute_macro_instore( key_cmd, ¯orc, &curr->pcode, &curr->pcode_len, &tokenised,curr->def_funkey );
if (tokenised)
{
tokenised = 0;
}
if (number_of_files > 0)
{
if (display_screens > 1)
{
build_screen((CHARTYPE)other_screen);
display_screen((CHARTYPE)other_screen);
}
build_screen(current_screen);
display_screen(current_screen);
}
}
else
{
/*
* If operating in CUA mode, and a CUA block exists, check
* if the block should be reset or deleted before executing
* the command.
*/
if ( INTERFACEx == INTERFACE_CUA
&& MARK_VIEW == CURRENT_VIEW
&& MARK_VIEW->mark_type == M_CUA )
{
ResetOrDeleteCUABlock( command[curr->def_command].cua_behaviour );
}
/*
* Possibly reset the THIGHLIGHT area
*/
if ( CURRENT_VIEW->thighlight_on
&& CURRENT_VIEW->thighlight_active )
{
AdjustThighlight( command[curr->def_command].thighlight_behaviour );
}
rc = (*command[curr->def_command].function)((CHARTYPE *)key_cmd);
}
(*the_free)(key_cmd);
}
curr = curr->next;
}
#ifdef THE_TRACE
trace_string( "returning: %d\n", rc );
#endif
TRACE_RETURN();
return rc;
}
/***********************************************************************/
#ifdef HAVE_PROTO
short function_key(int key,int option,bool mouse_details_present)
#else
short function_key(key,option,mouse_details_present)
int key;
int option;
bool mouse_details_present;
#endif
/***********************************************************************/
{
register short i=0;
DEFINE *curr=(DEFINE *)NULL;
DEFINE *tcurr=(DEFINE *)NULL;
DEFINE *first_save=(DEFINE *)NULL,*last_save=(DEFINE *)NULL;
short rc=RC_OK;
short len=0,num_cmds=0;
CHARTYPE *key_cmd=NULL;
CHARTYPE tmpnum[5];
short macrorc=0;
int tokenised=0;
TRACE_FUNCTION("commutil.c:function_key");
if (mouse_details_present)
{
rc = execute_mouse_commands(key);
TRACE_RETURN();
return(rc);
}
/*
* First check to see if the function key has been redefined and save
* all key redefinitions. This is because we may be redefining a
* function key in the middle of its redefinition. eg ENTER key
*/
curr = first_define;
while(curr != (DEFINE *)NULL)
{
if (key == curr->def_funkey)
{
rc = append_define(&first_save,&last_save,key,curr->def_command,curr->def_params,curr->pcode,curr->pcode_len,NULL,0);
if (rc != RC_OK)
{
TRACE_RETURN();
return(rc);
}
}
curr = curr->next;
}
/*
* Now we have saved any current definition of the function key, use
* these definitions to drive the following...
*/
curr = first_save;
while(curr != (DEFINE *)NULL)
{
switch(option)
{
case OPTION_NORMAL:
/*
* If there are no more files in the ring, and the command is not a
* command to edit a new file, then ignore the command.
*/
if (number_of_files == 0
&& curr->def_command != (-1)
&& !command[curr->def_command].edit_command)
{
rc = RC_OK;
curr = NULL;
break;
}
/*
* If running in read-only mode and the function selected is not valid
* display an error.
*/
if (number_of_files != 0
&& ISREADONLY(CURRENT_FILE)
&& curr->def_command != (-1)
&& !command[curr->def_command].valid_in_readonly)
{
display_error(56,(CHARTYPE *)"",FALSE);
rc = RC_INVALID_ENVIRON;
curr = NULL;
break;
}
if ((key_cmd = (CHARTYPE *)my_strdup(curr->def_params)) == NULL)
{
display_error(30,(CHARTYPE *)"",FALSE);
rc = RC_OUT_OF_MEMORY;
curr = NULL;
break;
}
if (curr->def_command == (-1))
{
rc = execute_macro_instore(key_cmd,¯orc,&curr->pcode,&curr->pcode_len,&tokenised,curr->def_funkey);
if (tokenised)
{
tokenised = 0;
tcurr = first_define;
while(tcurr != (DEFINE *)NULL)
{
if (key == tcurr->def_funkey)
{
/*
* The pcode returned from the interpreter needs
* to be transfered from the copy of the key
* definition (curr and first_save to the "real"
* key definition found here. Setting the
* pcode pointer in tcurr to the pcode in curr
* and then setting pcode in curr to NULL stops
* the later call to dll_free() from freeing
* the memory associated with pcode.
*/
tcurr->pcode = curr->pcode;
tcurr->pcode_len = curr->pcode_len;
curr->pcode = NULL;
break;
}
tcurr = tcurr->next;
}
}
if (number_of_files > 0)
{
if (display_screens > 1)
{
build_screen((CHARTYPE)other_screen);
display_screen((CHARTYPE)other_screen);
}
build_screen(current_screen);
display_screen(current_screen);
}
}
else
{
/*
* If operating in CUA mode, and a CUA block exists, check
* if the block should be reset or deleted before executing
* the command.
*/
if ( INTERFACEx == INTERFACE_CUA
&& MARK_VIEW == CURRENT_VIEW
&& MARK_VIEW->mark_type == M_CUA )
{
ResetOrDeleteCUABlock( command[curr->def_command].cua_behaviour );
}
/*
* Possibly reset the THIGHLIGHT area
*/
if ( CURRENT_VIEW->thighlight_on
&& CURRENT_VIEW->thighlight_active )
{
AdjustThighlight( command[curr->def_command].thighlight_behaviour );
}
rc = (*command[curr->def_command].function)((CHARTYPE *)key_cmd);
}
(*the_free)(key_cmd);
if (rc != RC_OK
&& rc != RC_TOF_EOF_REACHED
&& rc != RC_NO_LINES_CHANGED
&& rc != RC_TARGET_NOT_FOUND)
{
curr = NULL;
break;
}
break;
case OPTION_EXTRACT:
/*
* If the request is to extract a keys commands, set a REXX variable
* for each command associated with the function key.
*/
if (curr->def_command != (-1))
{
len = strlen((DEFCHAR *)command[curr->def_command].text) +
strlen((DEFCHAR *)curr->def_params) + 2;
}
else
{
len = strlen((DEFCHAR *)curr->def_params) + 1;
}
if ((key_cmd = (CHARTYPE *)(*the_malloc)(len)) == NULL)
{
display_error(30,(CHARTYPE *)"",FALSE);
curr = NULL;
rc = RC_OUT_OF_MEMORY;
break;
}
if (curr->def_command != (-1))
{
strcpy((DEFCHAR *)key_cmd,(DEFCHAR *)command[curr->def_command].text);
strcat((DEFCHAR *)key_cmd," ");
strcat((DEFCHAR *)key_cmd,(DEFCHAR *)curr->def_params);
}
else
strcpy((DEFCHAR *)key_cmd,(DEFCHAR *)curr->def_params);
rc = set_rexx_variable((CHARTYPE *)"SHOWKEY",key_cmd,strlen((DEFCHAR *)key_cmd),++num_cmds);
(*the_free)(key_cmd);
break;
case OPTION_READV:
/*
* If the key hit is KEY_ENTER, KEY_RETURN or KEY_NUMENTER, or TAB terminate
* the READV CMDLINE command.
*/
if (key == KEY_RETURN
|| key == KEY_ENTER
|| key == KEY_C_m
|| key == KEY_NUMENTER
|| key == 9)
{
rc = RC_READV_TERM;
curr = NULL;
break;
}
/*
* If the command is not allowed in READV CMDLINE, or a REXX macro is
* assigned to the key, return with an error.
*/
if (curr->def_command == (-1))
{
rc = RC_INVALID_ENVIRON;
curr = NULL;
break;
}
if (!command[curr->def_command].valid_readv)
{
rc = RC_INVALID_ENVIRON;
curr = NULL;
break;
}
/*
* To get here, a valid READV CMDLINE command is present; execute it.
*/
if ((key_cmd = (CHARTYPE *)my_strdup(curr->def_params)) == NULL)
{
display_error(30,(CHARTYPE *)"",FALSE);
rc = RC_OUT_OF_MEMORY;
curr = NULL;
break;
}
rc = (*command[curr->def_command].function)((CHARTYPE *)key_cmd);
(*the_free)(key_cmd);
if (rc != RC_OK
&& rc != RC_TOF_EOF_REACHED
&& rc != RC_NO_LINES_CHANGED
&& rc != RC_TARGET_NOT_FOUND)
{
curr = NULL;
break;
}
break;
default:
break;
}
if (curr == NULL)
break;
curr = curr->next;
}
/*
* If the key has been redefined, exit here...
*/
if (first_save)
{
if (option == OPTION_EXTRACT)
{
sprintf((DEFCHAR *)tmpnum,"%d",num_cmds);
rc = set_rexx_variable((CHARTYPE *)"SHOWKEY",tmpnum,strlen((DEFCHAR *)tmpnum),0);
rc = num_cmds;
}
dll_free(first_save);
TRACE_RETURN();
return(rc);
}
/*
* If not, check for the default function key values.
*/
for (i=0;command[i].text != NULL;i++)
{
if (key == command[i].funkey)
{
switch(option)
{
case OPTION_NORMAL:
/*
* If running in read-only mode and the function selected is not valid
* display an error.
*/
if (number_of_files != 0
&& ISREADONLY(CURRENT_FILE)
&& !command[i].valid_in_readonly)
{
display_error(56,(CHARTYPE *)"",FALSE);
rc = RC_INVALID_ENVIRON;
break;
}
if ((key_cmd = (CHARTYPE *)my_strdup(command[i].params)) == NULL)
{
display_error(30,(CHARTYPE *)"",FALSE);
rc = RC_OUT_OF_MEMORY;
break;
}
/*
* If operating in CUA mode, and a CUA block exists, check
* if the block should be reset or deleted before executing
* the command.
*/
if ( INTERFACEx == INTERFACE_CUA
&& MARK_VIEW == CURRENT_VIEW
&& MARK_VIEW->mark_type == M_CUA )
{
ResetOrDeleteCUABlock( command[i].cua_behaviour );
}
/*
* Possibly reset the THIGHLIGHT area
*/
if ( CURRENT_VIEW->thighlight_on
&& CURRENT_VIEW->thighlight_active )
{
AdjustThighlight( command[i].thighlight_behaviour );
}
rc = (*command[i].function)((CHARTYPE *)key_cmd);
(*the_free)(key_cmd);
break;
case OPTION_EXTRACT:
len = strlen((DEFCHAR *)command[i].text) +
strlen((DEFCHAR *)command[i].params) + 10;
if ((key_cmd = (CHARTYPE *)(*the_malloc)(len)) == NULL)
{
display_error(30,(CHARTYPE *)"",FALSE);
rc = RC_OUT_OF_MEMORY;
break;
}
strcpy((DEFCHAR *)key_cmd,"");
key_cmd = build_default_key_definition(i,key_cmd);
rc = set_rexx_variable((CHARTYPE *)"SHOWKEY",key_cmd,strlen((DEFCHAR *)key_cmd),1);
(*the_free)(key_cmd);
rc = set_rexx_variable((CHARTYPE *)"SHOWKEY",(CHARTYPE *)"1",1,0);
break;
case OPTION_READV:
/*
* If the key hit is KEY_ENTER, KEY_RETURN or KEY_NUMENTER, terminate
* the READV CMDLINE command.
*/
if (key == KEY_RETURN
|| key == KEY_ENTER
|| key == KEY_C_m
|| key == KEY_NUMENTER
|| key == 9)
{
rc = RC_READV_TERM;
break;
}
/*
* If the command is not allowed in READV CMDLINE, return with an error
*/
if (!command[i].valid_readv)
{
rc = RC_INVALID_ENVIRON;
break;
}
/*
* To get here, a valid READV CMDLINE command is present; execute it.
*/
if ((key_cmd = (CHARTYPE *)my_strdup(command[i].params)) == NULL)
{
display_error(30,(CHARTYPE *)"",FALSE);
rc = RC_OUT_OF_MEMORY;
break;
}
rc = (*command[i].function)((CHARTYPE *)key_cmd);
(*the_free)(key_cmd);
break;
}
TRACE_RETURN();
return(rc);
}
}
if (option == OPTION_EXTRACT)
rc = set_rexx_variable((CHARTYPE *)"SHOWKEY",(CHARTYPE *)"0",1,0);
TRACE_RETURN();
return(RAW_KEY);
}
/***********************************************************************/
#ifdef HAVE_PROTO
bool is_modifier_key(int key)
#else
bool is_modifier_key(key)
int key;
#endif
/***********************************************************************/
{
register short i=0;
TRACE_FUNCTION("commutil.c:is_modifier_key");
/*
* Get name of key...
*/
for ( i = 0; key_table[i].mnemonic != NULL; i++ )
{
if ( key == key_table[i].key_value
&& key_table[i].shift == SHIFT_MODIFIER_ONLY )
{
TRACE_RETURN();
return TRUE;
}
}
TRACE_RETURN();
return(FALSE);
}
/***********************************************************************/
#ifdef HAVE_PROTO
CHARTYPE *build_default_key_definition(int key, CHARTYPE *buf)
#else
CHARTYPE *build_default_key_definition(key, buf)
int key;
CHARTYPE *buf;
#endif
/***********************************************************************/
{
TRACE_FUNCTION("commutil.c:build_default_key_definition");
/*
* The argument, buf, MUST be long enough to to accept the full command
* and arguments and MUST have be nul terminated before this function
* is called.
* ---------------------------------------------------------------------
* If a SET command, prefix with 'set'
*/
if (command[key].set_command)
strcat((DEFCHAR *)buf,"set ");
/*
* If a SOS command, prefix with 'sos'
*/
if (command[key].sos_command)
strcat((DEFCHAR *)buf,"sos ");
/*
* Append the command name.
*/
strcat((DEFCHAR *)buf,(DEFCHAR *)command[key].text);
/*
* Append any parameters.
*/
if (strcmp((DEFCHAR *)command[key].params,"") != 0)
{
strcat((DEFCHAR *)buf," ");
strcat((DEFCHAR *)buf,(DEFCHAR *)command[key].params);
}
TRACE_RETURN();
return(buf);
}
/***********************************************************************/
#ifdef HAVE_PROTO
static CHARTYPE *build_defined_key_definition(int key, CHARTYPE *buf,DEFINE *curr,int define_format)
#else
static CHARTYPE *build_defined_key_definition(key, buf,curr,define_format)
int key;
CHARTYPE *buf;
DEFINE *curr;
int define_format;
#endif
/***********************************************************************/
{
bool key_defined=FALSE;
bool first_time=TRUE;
CHARTYPE delim[2];
TRACE_FUNCTION("commutil.c:build_defined_key_definition");
/*
* The argument, buf, MUST be long enough to to accept the full command
* and arguments and MUST have be nul terminated before this function
* is called.
*/
delim[1] = '\0';
delim[0] = CURRENT_VIEW->linend_value;
while(curr != NULL)
{
if (key == curr->def_funkey)
{
key_defined = TRUE;
if (first_time)
{
if ( define_format == THE_KEY_DEFINE_DEFINE )
strcat((DEFCHAR *)buf," ");
else if ( define_format == THE_KEY_DEFINE_QUERY )
strcat((DEFCHAR *)buf," ");
else if ( define_format == THE_KEY_DEFINE_SHOW )
strcat((DEFCHAR *)buf," - assigned to \"");
}
else
{
strcat((DEFCHAR *)buf,(DEFCHAR *)delim);
}
/*
* Append the command to the string.
*/
if (curr->def_command == (-1)) /* definition is REXX instore */
strcat((DEFCHAR *)buf,(DEFCHAR *)"REXX");
else
strcat((DEFCHAR *)buf,(DEFCHAR *)command[curr->def_command].text);
/*
* Append any parameters.
*/
if (strcmp((DEFCHAR *)curr->def_params,"") != 0)
{
strcat((DEFCHAR *)buf," ");
strcat((DEFCHAR *)buf,(DEFCHAR *)curr->def_params);
}
first_time = FALSE;
}
curr = curr->next;
}
TRACE_RETURN();
return((key_defined)?buf:(CHARTYPE *)NULL);
}
/***********************************************************************/
#ifdef HAVE_PROTO
CHARTYPE *build_synonym_definition( DEFINE *curr, CHARTYPE *name, CHARTYPE *buf, bool full_definition )
#else