sojastar

## haskell_sdl2_setup.md

      
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                sojastar
                / haskell_sdl2_setup.md
            
            
              Created
              February 19, 2024 10:28
            
              
                Setting up a basic Haskell SDL2 application on MacOS
              
          
    1. Install SDL2 with homebrew:

$> brew install sdl2
and optionally:
$> brew install sdl2_image
$> brew install sdl2_mixer
$> brew install sdl2_gfx
$> brew install sdl2_ttf


## Makefile
CC=gcc
CFLAGS=-std=c99 -lm
MRUBY_INCLUDE=../../mruby-3.1.0/include
MRUBY_LIB=../../mruby-3.1.0/build/host/lib/libmruby.a
SOURCE=c_from_ruby

all:
  $(CC) $(CFLAGS) -I$(MRUBY_INCLUDE) $(SOURCE).c -o $(SOURCE) $(MRUBY_LIB)

clean:

## keymap.rb
module KeyMap
 def self.set(mapping)
   mapping.each_pair do |command,key|
    GTK::KeyboardKeys.send :alias_method, command, key
   end
 end

 def self.unset(mapping)
   mapping.each_pair do |command,key|
    GTK::KeyboardKeys.send :undef_method, command
	CC=gcc
	CFLAGS=-std=c99 -lm
	MRUBY_INCLUDE=../../mruby-3.1.0/include
	MRUBY_LIB=../../mruby-3.1.0/build/host/lib/libmruby.a
	SOURCE=c_from_ruby

	all:
	$(CC) $(CFLAGS) -I$(MRUBY_INCLUDE) $(SOURCE).c -o $(SOURCE) $(MRUBY_LIB)

	clean:
	module KeyMap
	def self.set(mapping)
	mapping.each_pair do \|command,key\|
	GTK::KeyboardKeys.send :alias_method, command, key
	end
	end

	def self.unset(mapping)
	mapping.each_pair do \|command,key\|
	GTK::KeyboardKeys.send :undef_method, command