sketch up some helpers for rendering shapes; also add gitignore and remove the binaries I've been pushing

.gitignore

@@ -0,0 +1 @@
+build/*

build_menu.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+code="$PWD"
+opts="-g -Wno-switch"
+
+mkdir -p build
+cd build
+echo menu
+clang $opts $code/src/menu.main.c -lncurses -o menu

project.4coder

@@ -33,10 +33,15 @@ commands = {
 
  .build_resize = { .out = "*compilation*", .footer_panel = true, .save_dirty_files = true,
    .win = "build_resize.bat", .linux = "./build_resize.sh", .mac = "./build_resize.sh", },
+
+ .build_menu = { .out = "*compilation*", .footer_panel = true, .save_dirty_files = true,
+   .win = "build_menu.bat", .linux = "./build_menu.sh", .mac = "./build_menu.sh", },
 };
+
 fkey_command = {
 .F1 = "build_printinput",
 .F2 = "build_animate",
 .F3 = "build_colors",
 .F4 = "build_resize",
+.F5 = "build_menu",
 };

src/animate.main.c

@@ -12,6 +12,7 @@ int main(){
   // settings
   noecho();
   cbreak();
+  curs_set(0);
   
   B32 animating = 1;
   

src/colors.main.c

@@ -18,6 +18,7 @@ int main(){
   // settings
   noecho();
   cbreak();
+  curs_set(0);
   
   B32 animating = 1;
   

src/menu.main.c

@@ -0,0 +1,168 @@
+#include "mr4th/mr4th_base.h"
+#include <ncurses.h>
+
+#include "menu.main.h"
+
+#include "mr4th/mr4th_base.c"
+
+MR4TH_SYMBOL NCRS_Bfr
+ncrs_bfr_alloc(Arena *arena, U32 w, U32 h){
+  NCRS_Bfr result = { w, h };
+  result.chr = push_array(arena, U8, w*h);
+  result.color = push_array(arena, U8, w*h);
+  return(result);
+}
+
+MR4TH_SYMBOL void
+ncrs_bfr_fill_rect(NCRS_Bfr *bfr, RectS32 rect, U8 chr, U8 color){
+  S32 x0 = ClampBot(rect.x0, 0);
+  S32 x1 = ClampTop(rect.x1, bfr->w);
+  S32 y0 = ClampBot(rect.y0, 0);
+  S32 y1 = ClampTop(rect.y1, bfr->h);
+  
+  for (S32 iy = y0; iy < y1; iy += 1){
+    S32 iyb = iy*bfr->w;
+    for (S32 ix = x0; ix < x1; ix += 1){
+      bfr->chr[iyb + ix] = chr;
+      bfr->color[iyb + ix] = color;
+    }
+  }
+}
+
+MR4TH_SYMBOL void
+ncrs_bfr_outline_rect(NCRS_Bfr *bfr, RectS32 rect, U8 chr, U8 color){
+  S32 x0 = ClampBot(rect.x0, 0);
+  S32 x1 = ClampTop(rect.x1, bfr->w);
+  S32 y0 = ClampBot(rect.y0, 0);
+  S32 y1 = ClampTop(rect.y1, bfr->h);
+  
+  // top
+  if (0 <= rect.y0 && rect.y0 < bfr->h){
+    S32 iyb = rect.y0*bfr->w;
+    for (S32 ix = x0; ix < x1; ix += 1){
+      bfr->chr[iyb + ix] = chr;
+      bfr->color[iyb + ix] = color;
+    }
+  }
+  
+  // bottom
+  if (0 < rect.y1 && rect.y1 <= bfr->h){
+    S32 iyb = (rect.y1 - 1)*bfr->w;
+    for (S32 ix = x0; ix < x1; ix += 1){
+      bfr->chr[iyb + ix] = chr;
+      bfr->color[iyb + ix] = color;
+    }
+  }
+  
+  // left
+  if (0 <= rect.x0 && rect.x0 < bfr->w){
+    S32 ix = rect.x0;
+    for (S32 iy = y0; iy < y1; iy += 1){
+      S32 iyb = iy*bfr->w;
+      bfr->chr[iyb + ix] = chr;
+      bfr->color[iyb + ix] = color;
+    }
+  }
+  
+  // right
+  if (0 < rect.x1 && rect.x1 <= bfr->w){
+    S32 ix = rect.x1 - 1;
+    for (S32 iy = y0; iy < y1; iy += 1){
+      S32 iyb = iy*bfr->w;
+      bfr->chr[iyb + ix] = chr;
+      bfr->color[iyb + ix] = color;
+    }
+  }
+  
+}
+
+MR4TH_SYMBOL void
+ncrs_bfr_write(NCRS_Bfr *bfr, S32 x, S32 y, S32 xmax, String8 str, U8 color){
+  if (0 <= x && x < bfr->w && x < xmax &&
+      0 <= y && y < bfr->h){
+    S32 iyb = y*bfr->w;
+    S32 x1 = ClampTop(x + str.size, xmax);
+    for (U32 xi = x, i = 0; xi < x1; xi += 1, i += 1){
+      bfr->chr[iyb + xi] = str.str[i];
+      bfr->color[iyb + xi] = color;
+    }
+  }
+}
+
+MR4TH_SYMBOL void
+ncrs_bfr_to_window(NCRS_Bfr *bfr, WINDOW *window){
+  S32 w = 0;
+  S32 h = 0;
+  getmaxyx(window, h, w);
+  
+  S32 x1 = ClampTop(bfr->w, w);
+  S32 y1 = ClampTop(bfr->h, h);
+  
+  for (U32 iy = 0; iy < y1; iy += 1){
+    S32 iyb = iy*bfr->w;
+    wmove(window, iy, 0);
+    for (U32 ix = 0; ix < x1; ix += 1){
+      S16 color = (S16)bfr->color[iyb + ix];
+      if (color != 0){
+        attron(COLOR_PAIR(color));
+      }
+      waddch(window, bfr->chr[iyb + ix]);
+      attroff(COLOR_PAIR(color));
+    }
+  }
+  
+  wrefresh(window);
+}
+
+int main(){
+  ArenaTemp scratch = arena_get_scratch(0, 0);
+  
+  // initializes ncurses
+  initscr();
+  
+  if (!has_colors()){
+    goto no_color;
+  }
+  start_color();
+  
+  noecho();
+  cbreak();
+  curs_set(0);
+  
+  // colors
+  {
+#define X(F,B) init_pair(NCRS_ColorPair_##F##_##B, COLOR_##F, COLOR_##B);
+    NCRS_ColorPair_XList(X)
+#undef X
+  }
+  
+  // virtual buffer
+  NCRS_Bfr bfr = ncrs_bfr_alloc(scratch.arena, 160, 40);
+  ncrs_bfr_fill_rect(&bfr, (RectS32){0, 0, 160, 40}, ' ', 0);
+  ncrs_bfr_outline_rect(&bfr, (RectS32){0, 0, 160, 40},
+                        '#', NCRS_ColorPair_WHITE_BLACK);
+  
+  ncrs_bfr_write(&bfr, 2, 2, 30, str8_lit("Continue"), NCRS_ColorPair_BLACK_WHITE);
+  ncrs_bfr_write(&bfr, 2, 4, 30, str8_lit("New Game (Abandon Current)"), NCRS_ColorPair_WHITE_BLACK);
+  ncrs_bfr_write(&bfr, 2, 6, 30, str8_lit("Custom Game Mode"), NCRS_ColorPair_WHITE_BLACK);
+  ncrs_bfr_write(&bfr, 2, 8, 30, str8_lit("Quite"), NCRS_ColorPair_WHITE_BLACK);
+  
+  // program
+  for (;;){
+    // bfr -> screen
+    ncrs_bfr_to_window(&bfr, stdscr);
+    
+    int c = getch();
+  }
+  
+  // end ncurses
+  endwin();
+  
+  if (0){ no_color:
+    endwin();
+    printf("no ncurses color support\n");
+  }
+  
+  arena_release_scratch(&scratch);
+  return(0);
+}

src/menu.main.h

@@ -0,0 +1,53 @@
+#ifndef MENU_MAIN_H
+#define MENU_MAIN_H
+
+/******************************************************************************
+* NCRS Types                                                                  *
+******************************************************************************/
+
+#define NCRS_ColorPair_XList(X)\
+X(WHITE,   BLACK) \
+X(RED,     BLACK) \
+X(GREEN,   BLACK) \
+X(BLUE,    BLACK) \
+X(YELLOW,  BLACK) \
+X(MAGENTA, BLACK) \
+X(CYAN,    BLACK) \
+X(BLACK, WHITE)   \
+X(BLACK, RED)     \
+X(BLACK, GREEN)   \
+X(BLACK, BLUE)    \
+X(BLACK, YELLOW)  \
+X(BLACK, MAGENTA) \
+X(BLACK, CYAN)
+
+typedef enum NCRS_ColorPair{
+  NCRS_ColorPair_NULL = 0,
+  
+#define X(F,B) NCRS_ColorPair_##F##_##B,
+  NCRS_ColorPair_XList(X)
+#undef X
+  
+  NCRS_ColorPair_COUNT
+} NCRS_ColorPair;
+
+typedef struct NCRS_Bfr{
+  U32 w;
+  U32 h;
+  U8 *chr;
+  U8 *color;
+} NCRS_Bfr;
+
+/******************************************************************************
+* NCRS Functions                                                              *
+******************************************************************************/
+
+MR4TH_SYMBOL NCRS_Bfr ncrs_bfr_alloc(Arena *arena, U32 w, U32 h);
+
+MR4TH_SYMBOL void ncrs_bfr_fill_rect(NCRS_Bfr *bfr, RectS32 rect, U8 chr, U8 color);
+MR4TH_SYMBOL void ncrs_bfr_outline_rect(NCRS_Bfr *bfr, RectS32 rect, U8 chr, U8 color);
+MR4TH_SYMBOL void ncrs_bfr_write(NCRS_Bfr *bfr, S32 x, S32 y, S32 xmax, String8 str, U8 color);
+
+MR4TH_SYMBOL void ncrs_bfr_to_window(NCRS_Bfr *bfr, WINDOW *w);
+
+#endif //MENU_MAIN_H

src/printinput.main.c

@@ -10,6 +10,7 @@ int main(){
   // settings
   noecho();
   cbreak();
+  curs_set(0);
   
   // get size
   int window_x = 0;

src/resize.main.c

@@ -10,13 +10,13 @@ int main(){
   // settings
   noecho();
   cbreak();
+  curs_set(0);
   
   // get size
   int window_x = 0;
   int window_y = 0;
   getmaxyx(stdscr, window_y, window_x);
   
-  
   {
     clear();