sdlterm/cython/sdlterm.pyx
author Radek Brich <radek.brich@devl.cz>
Sat, 05 Jan 2013 16:47:30 +0100
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parent 48 1f00e90fd72a
child 50 c5b8b9d2da95
permissions -rw-r--r--
Update sdlterm: Optimize commit() - use two cell buffers, redraw only dirty cells, not everything. Fix keypress event, filter mousemove.
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# distutils: language = c++
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# distutils: sources = src/sdlterm.cc
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# distutils: include_dirs = /usr/include/SDL src
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# distutils: libraries = SDL SDL_ttf
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# distutils: define_macros = _GNU_SOURCE=1 _REENTRANT
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# distutils: extra_compile_args = --std=c++11
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# cython: language_level=3
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from libcpp cimport bool
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cdef extern from "sdlterm.h":
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    cdef struct Event_key:
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        char *keyname
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        Py_UNICODE unicode
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    cdef struct Event_mouse:
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        int x, y
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        int button
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    cdef struct Event:
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        # enum
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        int QUIT
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        int RESIZE
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        int KEYPRESS
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        int MOUSEDOWN
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        int MOUSEUP
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        int MOUSEMOVE
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        int MOUSEWHEEL
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        int type
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        Event_key key
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        Event_mouse mouse
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    cdef cppclass Terminal:
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        Terminal() except +
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        void select_font(char *fname_regular, char *fname_bold, int ptsize) except +
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        void resize(int pxwidth, int pxheight) except +
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        void erase()
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        void putch(int x, int y, Py_UNICODE ch)
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        void commit()
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        int prepare_attr(int fg, int bg, int style)
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        void set_attr(int value)
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        void set_cursor(int x, int y)
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        void show_cursor(bool visible)
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        void get_next_event(Event event)
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        int get_width()
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        int get_height()
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cdef class SDLTerminal:
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    cdef Terminal *thisptr      # hold a C++ instance which we're wrapping
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    cdef Event event
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    def __cinit__(self):
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        self.thisptr = new Terminal()
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    def __dealloc__(self):
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        del self.thisptr
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    def select_font(self, fname_regular, fname_bold, ptsize):
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        fname_regular = fname_regular.encode('utf8')
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        fname_bold = fname_bold.encode('utf8')
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        self.thisptr.select_font(fname_regular, fname_bold, ptsize)
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    def resize(self, width, height):
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        self.thisptr.resize(width, height)
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    def erase(self):
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        self.thisptr.erase()
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    def putch(self, x, y, ch):
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        self.thisptr.putch(x, y, ch)
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    def commit(self):
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        self.thisptr.commit()
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    def get_next_event(self):
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        self.thisptr.get_next_event(self.event)
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        event = self.event
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        if event.type == event.MOUSEMOVE:
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            return ('mousemove', event.mouse.x, event.mouse.y)
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        if event.type == event.MOUSEDOWN:
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            return ('mousedown', event.mouse.x, event.mouse.y, event.mouse.button)
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        if event.type == event.MOUSEUP:
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            return ('mouseup', event.mouse.x, event.mouse.y, event.mouse.button)
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        if event.type == event.KEYPRESS:
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            keyname = event.key.keyname
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            if keyname:
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                keyname = keyname.decode()
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            else:
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                keyname = None
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            char = event.key.unicode
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            if char == '\x00':
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                char = None
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            return ('keypress', keyname, char)
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        if event.type == event.QUIT:
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            return ('quit',)
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        return ('unknown',)
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    property width:
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        def __get__(self): return self.thisptr.get_width()
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    property height:
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        def __get__(self): return self.thisptr.get_height()
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