more work on console functions

3 files changed, 118 insertions, 10 deletions

diff --git a/Makefile b/Makefile
index 2eaf791..7bf5db5 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ PREFIX ?= /usr
 BINDIR ?= ${PREFIX}/bin
 
 generate:
-	$(CC) -o operetta src/operetta.c src/proposition.c src/parse.c src/lexer.c src/eval.c $(CFLAGS)
+	$(CC) -o operetta src/operetta.c src/proposition.c src/parse.c src/lexer.c src/eval.c src/console.c $(CFLAGS)
 
 install: operetta
 	install operetta ${DESTDIR}${BINDIR}
diff --git a/src/console.c b/src/console.c
new file mode 100644
index 0000000..dba8c85
--- /dev/null
+++ b/src/console.c
@@ -0,0 +1,86 @@
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include "console.h"
+
+int selected = 0;
+int scroll = 0;
+consoleLineSet_t lineCache;
+
+consoleLine_t init_simple_consoleline(consoleColor_t color, char* content) {
+	consoleLine_t consoleLine;
+	consoleLine.color = color;
+	consoleLine.content = content;
+	consoleLine.isExpanded = 0;
+	return consoleLine;
+}
+consoleLine_t init_expandable_consoleline(consoleColor_t color, char* content, char* expansionContent) {
+	consoleLine_t consoleLine;
+	consoleLine.color = color;
+	consoleLine.content = content;
+	consoleLine.expansionContent = expansionContent;
+	consoleLine.isExpanded = 0;
+	return consoleLine;
+}
+consoleLine_t init_interactable_consoleline(consoleColor_t color, char* content, void (*onInteract)(void)) {
+	consoleLine_t consoleLine;
+	consoleLine.color = color;
+	consoleLine.content = content;
+	consoleLine.onInteract = onInteract;
+	consoleLine.isExpanded = 0;
+	return consoleLine;
+}
+consoleLineSet_t init_consolelineset(consoleLine_t* lines, int count) {
+	consoleLineSet_t lineSet;
+	lineSet.lines = lines;
+	lineSet.count = count;
+	return lineSet;
+}
+void clear_screen() {
+	printf("\033[2J");
+}
+void draw_screen() {
+	int linesDrawn = 0;
+	struct winsize win;
+	ioctl(fileno(stdout), TIOCGWINSZ, &win);
+	int width = (int)(win.ws_col);
+	int height = (int)(win.ws_row);
+	int i = scroll;
+	int e = 0;
+	while (i - scroll + e < height) {
+		char c = lineCache.lines[i].color;
+		if (i == selected) {
+			printf("%s%s", c == CBLACK ? BLKB : c == CRED ? REDB : c == CGREEN ? GRNB : WHTB, BLK);
+		}
+		else {
+			printf("%s%s", BLKB, c == CBLACK ? BLK : c == CRED ? RED : c == CGREEN ? GRN : WHT);
+		}
+		printf("%s\n", lineCache.lines[i].content);
+		if (lineCache.lines[i].isExpanded) {
+			printf("%s\n", lineCache.lines[i].expansionContent);
+			e++;
+		}
+		i++;
+	}
+	printf("%s\n", RESET);
+}
+void move_selection(int amount) {
+	selected = (selected + amount) % lineCache.count;
+	struct winsize win;
+	ioctl(fileno(stdout), TIOCGWINSZ, &win);
+	int height = (int)(win.ws_row);
+	if (selected > height) {
+		scroll++;
+	}
+	else if (selected < scroll) {
+		scroll--;
+	}
+}
+void interact_selected() {
+	if (lineCache.lines[selected].onInteract == NULL) {
+		lineCache.lines[selected].isExpanded = !lineCache.lines[selected].isExpanded; } else { lineCache.lines[selected].onInteract();
+	}
+	clear_screen();
+	draw_screen();
+}
diff --git a/src/console.h b/src/console.h
index 6a4d27f..88eb8a4 100644
--- a/src/console.h
+++ b/src/console.h
@@ -1,17 +1,39 @@
-#ifndef
+#ifndef CONSOLE
 #define CONSOLE
+#define BLK "\033[0;30m"
 #define RED "\033[0:31m"
 #define GRN "\033[0:32m"
 #define WHT "\033[0:37m"
-struct ConsoleLine {
-	char* color;
+#define BLKB "\033[40m"
+#define REDB "\033[41m"
+#define GRNB "\033[42m"
+#define WHTB "\033[47m"
+#define RESET "\033[0m"
+typedef enum ConsoleColors {
+	CBLACK,
+	CRED,
+	CGREEN,
+	CWHITE
+} consoleColor_t;
+typedef struct ConsoleLine {
+	consoleColor_t color;
 	char* content;
-	/* pointer to a function accepting a void pointer */
-	void (*onInteract)(void*);
+	/* set to NULL to use oninteract */
+	char* expansionContent;
+	void (*onInteract)(void);
+	char isExpanded;
 } consoleLine_t;
-consoleLine_t init_consoleline(char* color, char* content);
-void clear_screen();
-void draw_screen();
+consoleLine_t init_simple_consoleline(consoleColor_t color, char* content);
+consoleLine_t init_expandable_consoleline(consoleColor_t color, char* content, char* expansionContent);
+consoleLine_t init_interactable_consoleline(consoleColor_t color, char* content, void (*onInteract)(void));
+typedef struct ConsoleLineSet {
+	consoleLine_t* lines;
+	int count;
+} consoleLineSet_t;
+consoleLineSet_t init_consolelineset(consoleLine_t* lines, int count);
+void set_lines(consoleLineSet_t lines);
+void clear_screen(void);
+void draw_screen(void);
 void move_selection(int amount);
-void interact_selected();
+void interact_selected(void);
 #endif