shithub: fc

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ctl-interface

--- a/fc.c

+++ b/fc.c

@@ -5,6 +5,7 @@

 #include <keyboard.h>

 #include <bio.h>

 #include <ctype.h>

+#define CTLFILE "/tmp/fc.ctl"

 enum {

 	MAXBOXES = 300,

@@ -104,11 +105,11 @@

 	int		needredraw;

 	int		gridsnap;

 	int		gridsize;

-    int     emoji_pos;          /* Current x position */

-    int     emoji_frame;        /* Animation frame */

+    int     emoji_pos;         

+    int     emoji_frame;       

     int     emoji_dir;          /* Direction: 1=right, -1=left */

-    char    *emoji_frames[4];   /* ASCII emoji frames */

-    int     emoji_enabled;      /* Toggle emoji display */

+    char    *emoji_frames[4];  

+    int     emoji_enabled;     

 } sheet;

 typedef struct BoxType BoxType;

@@ -181,6 +182,13 @@

 	int  condition; 

 };

+typedef struct CommandHandler CommandHandler;

+struct CommandHandler {

+	char	*name;

+	int		minargs;

+	void	(*execute)(char **args, int nargs);

+};

+

 Image	*colors[6];

 Image	*boxbg;

 Image	*boxselected;

@@ -214,6 +222,11 @@

 void cmd_start_label(void);

 void cmd_toggle_grid(void);

 void cmd_delete_box(void);

+void cmd_cycle_emoji(void);

+void ctl_addbox(char**, int);

+void ctl_load(char**, int);

+void ctl_save(char**, int);

+void ctl_quit(char**, int);

 void draw_background(void);

 void draw_grid_lines(void);

 void draw_all_boxes(void);

@@ -221,7 +234,6 @@

 void init_emoji(void);

 void draw_emoji_banner(void);

 void cmd_toggle_emoji(void);

-void cmd_cycle_emoji(void);

 int cistrcmp(char *s1, char *s2);

 int tokenize_formula(char *formula, Token *tokens, int maxtokens);

 int cellref_lookup(char *ref);

@@ -315,6 +327,14 @@

 	{nil, 0}

 };

+CommandHandler cmd_handlers[] = {

+	{"addbox", 2, ctl_addbox},

+	{"load",   1, ctl_load},

+	{"save",   1, ctl_save},

+	{"quit",   0, ctl_quit},

+	{nil, 0, nil}

+};

+

 char *happy_faces[] = {

     "^_^",

     "^o^", 

@@ -2016,8 +2036,100 @@

 	USED(m);

 }

+void 

+ctl_addbox(char **args, int nargs)

+{

+	Point p = Pt(atoi(args[0]), atoi(args[1]));

+	int idx = addbox(p);

+	

+	if(idx >= 0 && nargs > 2) {

+		strncpy(sheet.boxes[idx].formula, args[2], MAXFORMULA-1);

+		sheet.boxes[idx].formula[MAXFORMULA-1] = '\0';

+		

+		BoxType *bt = &boxtypes[sheet.boxes[idx].type];

+		if(bt->parse) bt->parse(&sheet.boxes[idx]);

+		if(bt->eval) bt->eval(&sheet.boxes[idx]);

+		

+		recalc_all();

+	}

+	

+	if(idx >= 0 && nargs > 3) {

+		strncpy(sheet.boxes[idx].label, args[3], 31);

+		sheet.boxes[idx].label[31] = '\0';

+	}

+	

+	sheet.needredraw = 1;

+}

 void 

+ctl_load(char **args, int nargs)

+{

+	if(nargs >= 1) {

+		load(args[0]);

+		recalc_all();

+		sheet.needredraw = 1;

+	}

+}

+

+void 

+ctl_save(char **args, int nargs)

+{

+	if(nargs >= 1) {

+		save(args[0]);

+	}

+}

+

+void 

+ctl_quit(char **args, int nargs)

+{

+	USED(args); USED(nargs);

+	cmd_quit();

+}

+

+void 

+check_ctl_file(void)

+{

+	int fd, nt;

+

+	fd = open(CTLFILE, OREAD);

+	if(fd < 0) {

+		fprint(2, "cannot open control file\n");

+		return;

+	}

+	

+	Biobuf bin;

+	Binit(&bin, fd, OREAD);

+	char *line;

+	

+	while((line = Brdline(&bin, '\n'))) {

+		line[Blinelen(&bin)-1] = '\0';

+		

+		char *tokens[10];

+		nt = tokenize(line, tokens, nelem(tokens));

+		if(nt == 0) continue;

+		

+		CommandHandler *h;

+		for(h = cmd_handlers; h->name; h++) {

+			if(strcmp(tokens[0], h->name) == 0) {

+				if(nt-1 < h->minargs) {

+					fprint(2, "%s: needs %d arguments\n", 

+						h->name, h->minargs);

+				} else {

+					h->execute(&tokens[1], nt-1);

+				}

+				break;

+			}

+		}

+	}

+	

+	Bterm(&bin);

+	close(fd);

+	

+	fd = create(CTLFILE, OWRITE, 0644);

+	if(fd >= 0) close(fd);

+}

+

+void 

 eresized(int new) 

 {

 	if(new && getwindow(display, Refnone) < 0)

@@ -2043,6 +2155,9 @@

 	einit(Emouse | Ekeyboard);

 	eresized(0);

+	int ctlfd = create(CTLFILE, OWRITE, 0644);

+	if(ctlfd >= 0) close(ctlfd);

+

 	memset(&sheet, 0, sizeof(sheet));

 	sheet.selected = -1;

 	sheet.editing = -1;

@@ -2053,7 +2168,8 @@

 	sheet.gridsnap = 1;

 	init_emoji();

 	redraw();

-	

+

+

 	for(;;){

 		switch(event(&e)){

 		case Emouse:

@@ -2066,7 +2182,10 @@

 		}

         ticks++;

-        if(ticks % 30 == 0) {  /* Adjust for speed */

+        if(ticks % 200 == 0) {

+            check_ctl_file();

+        }

+        if(ticks % 30 == 0) {  /* Adjust for emoji speed */

             sheet.needredraw = 1;

         }

-- 

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