- separated curses.c out into separate source files to optimise

library use later on
- some small mods to existing functions

src/hci/mucurses/slk.c

@@ -0,0 +1,179 @@
+#include <curses.h>
+#include <stddef.h>
+#include <malloc.h>
+#include <string.h>
+#include "core.h"
+
+extern struct _softlabelkeys *slks;
+
+/**
+ * Return the attribute used for the soft function keys
+ *
+ * @ret attrs	the current attributes of the soft function keys
+ */
+attr_t slk_attr ( void ) {
+	return ( slks == NULL ? 0 : slks->attrs );
+}
+
+/**
+ * Turn off soft function key attributes
+ *
+ * @v attrs	attribute bit mask
+ * @ret rc	return status code
+ */
+int slk_attroff ( const chtype attrs ) {
+	if ( slks == NULL ) 
+		return ERR;
+	slks->attrs &= ~( attrs & A_ATTRIBUTES );
+	return OK;
+}
+
+/**
+ * Turn on soft function key attributes
+ *
+ * @v attrs	attribute bit mask
+ * @ret rc	return status code
+ */
+int slk_attron ( const chtype attrs ) {
+	if ( slks == NULL )
+		return ERR;
+	slks->attrs |= ( attrs & A_ATTRIBUTES );
+	return OK;
+}
+
+/**
+ * Set soft function key attributes
+ *
+ * @v attrs	attribute bit mask
+ * @ret rc	return status code
+ */
+int slk_attrset ( const chtype attrs ) {
+	if ( slks == NULL ) 
+		return ERR;
+	slks->attrs = ( attrs & A_ATTRIBUTES );
+	return OK;
+}
+
+/**
+ * Turn off soft function key attributes
+ *
+ * @v attrs	attribute bit mask
+ * @v *opts	undefined (for future implementation)
+ * @ret rc	return status code
+ */
+int slk_attr_off ( const attr_t attrs, void *opts __unused ) {
+	return slk_attroff( attrs );
+}
+
+/**
+ * Turn on soft function key attributes
+ *
+ * @v attrs	attribute bit mask
+ * @v *opts	undefined (for future implementation)
+ * @ret rc	return status code
+ */
+int slk_attr_on ( attr_t attrs, void *opts __unused ) {
+	return slk_attron( attrs );
+}
+
+/**
+ * Set soft function key attributes
+ *
+ * @v attrs			attribute bit mask
+ * @v colour_pair_number	colour pair integer
+ * @v *opts			undefined (for future implementation)
+ * @ret rc			return status code
+ */
+int slk_attr_set ( const attr_t attrs, short colour_pair_number,
+		   void *opts __unused ) {
+	if ( slks == NULL ) 
+		return ERR;
+
+	if ( ( unsigned short )colour_pair_number > COLORS )
+		return ERR;
+
+	slks->attrs = ( (unsigned short)colour_pair_number << CPAIR_SHIFT ) |
+		( attrs & A_ATTRIBUTES );
+	return OK;
+}
+
+/**
+ * Clear the soft function key labels from the screen
+ *
+ * @ret rc	return status code
+ */
+int slk_clear ( void ) {
+	if ( slks == NULL )
+		return ERR;
+
+	wmove(stdscr,stdscr->height-1,0);
+	wclrtoeol(stdscr);
+	return 0;
+}
+
+/**
+ * Initialise the soft function keys
+ *
+ * @v fmt	format of keys
+ * @ret rc	return status code
+ */
+int slk_init ( int fmt ) {
+	if ( (unsigned)fmt > 3 ) {
+		return ERR;
+	}
+
+	slks = malloc(sizeof(struct _softlabelkeys));
+	slks->attrs = A_DEFAULT;
+	slks->fmt = (unsigned short)fmt;
+	slks->maxlablen = 5;
+	return OK;
+}
+
+/**
+ * Return the label for the specified soft key
+ *
+ * @v labnum	soft key identifier
+ * @ret label	return label
+ */
+char* slk_label ( int labnum ) {
+	if ( slks == NULL ) 
+		return NULL;
+
+	return slks->fkeys[labnum].label;
+}
+
+/**
+ * Restore soft function key labels to the screen
+ *
+ * @ret rc	return status code
+ */
+int slk_restore ( void ) {
+	if ( slks == NULL ) 
+		return ERR;
+
+	return OK;
+}
+
+/**
+ * Configure specified soft key
+ *
+ * @v labnum	soft label position to configure
+ * @v *label	string to use as soft key label
+ * @v fmt	justification format of label
+ * @ret rc	return status code
+ */
+int slk_set ( int labnum, const char *label, int fmt ) {
+	if ( slks == NULL ) 
+		return ERR;
+	if ( (unsigned short)labnum > 12 )
+		return ERR;
+	if ( (unsigned short)fmt >= 3 )
+		return ERR;
+	if ( strlen(label) > slks->maxlablen )
+		return ERR;
+
+	strcpy( slks->fkeys[labnum].label, label );
+	slks->fkeys[labnum].fmt = fmt;
+
+	return OK;
+}