# distutils: language = c++

# distutils: sources = src/sdlterm.cc

# distutils: include_dirs = /usr/include/SDL src

# distutils: libraries = SDL SDL_ttf

# distutils: define_macros = _GNU_SOURCE=1 _REENTRANT

# distutils: extra_compile_args = --std=c++11

# cython: language_level=3

from libcpp cimport bool

cdef extern from "sdlterm.h":

    cdef struct Event_key:

        char *keyname

        Py_UNICODE unicode

    cdef struct Event_mouse:

        int x, y

        int button

    cdef struct Event:

        # enum

        int QUIT

        int RESIZE

        int KEYPRESS

        int MOUSEDOWN

        int MOUSEUP

        int MOUSEMOVE

        int MOUSEWHEEL

        int type

        Event_key key

        Event_mouse mouse

    cdef cppclass Terminal:

        Terminal() except +

        void select_font(char *fname_regular, char *fname_bold, int ptsize) except +

        void resize(int pxwidth, int pxheight) except +

        void erase()

        void putch(int x, int y, Py_UNICODE ch)

        void commit()

        int prepare_attr(int fg, int bg, int style)

        void set_attr(int value)

        void set_cursor(int x, int y)

        void show_cursor(bool visible)

        void get_next_event(Event event)

        int get_width()

        int get_height()

cdef class SDLTerminal:

    cdef Terminal *thisptr      # hold a C++ instance which we're wrapping

    cdef Event event

    def __cinit__(self):

        self.thisptr = new Terminal()

    def __dealloc__(self):

        del self.thisptr

    def select_font(self, fname_regular, fname_bold, ptsize):

        fname_regular = fname_regular.encode('utf8')

        fname_bold = fname_bold.encode('utf8')

        self.thisptr.select_font(fname_regular, fname_bold, ptsize)

    def resize(self, width, height):

        self.thisptr.resize(width, height)

    def erase(self):

        self.thisptr.erase()

    def putch(self, x, y, ch):

        self.thisptr.putch(x, y, ch)

    def commit(self):

        self.thisptr.commit()

    def get_next_event(self):

        self.thisptr.get_next_event(self.event)

        event = self.event

        if event.type == event.MOUSEMOVE:

            return ('mousemove', event.mouse.x, event.mouse.y)

        if event.type == event.MOUSEDOWN:

            return ('mousedown', event.mouse.x, event.mouse.y, event.mouse.button)

        if event.type == event.MOUSEUP:

            return ('mouseup', event.mouse.x, event.mouse.y, event.mouse.button)

        if event.type == event.KEYPRESS:

            keyname = event.key.keyname

            if keyname:

                keyname = keyname.decode()

            else:

                keyname = None

            char = event.key.unicode

            if char == '\x00':

                char = None

            return ('keypress', keyname, char)

        if event.type == event.QUIT:

            return ('quit',)

        return ('unknown',)

    property width:

        def __get__(self): return self.thisptr.get_width()

    property height:

        def __get__(self): return self.thisptr.get_height()