toaruos/apps/path_demo.krk

#!/bin/kuroko
from _yutani2 import (YutaniCtx, Font, rgb, MenuBar, decor_get_bounds, decor_render,
                      MenuList, MenuEntry, decor_handle_event, decor_show_default_menu,
                      Sprite, TTContour, TransformMatrix, MenuEntrySubmenu, TTShape)

from yutani_mainloop import Window, yctx as y, AsyncMainloop, Task, sleep
import math
import random

let mainloop = AsyncMainloop()

let texture_star = Sprite("/usr/share/icons/48/star.png")
let texture_flowers = Sprite('/usr/share/wallpaper.jpg')

let tt_texture = texture_star

def scale_by(tm,val):
    tm.scale(val/1000,val/1000)

def rotate_by(tm,val):
    tm.rotate(val/1000)

def shear_x_by(tm,val):
    tm.shear(val/1000,0.0)

def shear_y_by(tm,val):
    tm.shear(0.0,val/1000)

let x_thing = scale_by
let y_thing = rotate_by

def draw_text():
    let font = Font('sans-serif.bold',128)
    let Rect, w = font.prepare_string(0,128,"ToaruOS")
    return Rect

def draw_box():
    let Rect = TTContour(20,20)
    Rect.line_to(520,20)
    Rect.line_to(520,520)
    Rect.line_to(20,520)
    return Rect

let base_graphic = draw_text

let tt_filter = TTShape.TT_PATH_FILTER_BILINEAR
let tt_wrap = TTShape.TT_PATH_WRAP_REPEAT

def paint_demo(ctx, cursor):
    let tm = TransformMatrix()
    let Rect = base_graphic()
    let SRect = Rect.finish()
    Rect.free()
    let x, y = cursor
    x_thing(tm,x)
    y_thing(tm,y)
    SRect.paint_sprite(ctx,tt_texture,tm,tt_filter,tt_wrap)
    SRect.free()

def set_menu(menu, action):
    for sibling in menu.group:
        sibling.update_icon(None)
    menu.update_icon('check')
    action()

def check_list(entries, default=0):
    let ml = MenuList()
    let group = []
    for i, e in enumerate(entries):
        let name, action = e
        let me = MenuEntry(name, lambda menu: set_menu(menu, action), "check" if i == default else None)
        me.group = group
        group.append(me)
        ml.insert(me)
    return ml

class MyWindow(Window):
    def __init__(self):
        super().__init__(640, 480, title="Path Demo", doublebuffer=True)
        self.bgc = rgb(255,255,255)
        self.mb = MenuBar((("File",'file'),("View",'view'),("Help",'help')))
        let _menu_File = MenuList()
        _menu_File.insert(MenuEntry("Quit", lambda menu: self.close()))
        self.mb.insert('file', _menu_File)
        let _menu_View = MenuList()

        let _menu_View_Horizontal = check_list((
            ("Scale",   lambda: x_thing = scale_by),
            ("Rotate",  lambda: x_thing = rotate_by),
            ("Shear X", lambda: x_thing = shear_x_by),
            ("Shear Y", lambda: x_thing = shear_y_by),
        ))
        self.mb.insert('view-horizontal', _menu_View_Horizontal)
        _menu_View.insert(MenuEntrySubmenu("Horizontal","view-horizontal"))
    
        let _menu_View_Vertical = check_list((
            ("Scale",   lambda: y_thing = scale_by),
            ("Rotate",  lambda: y_thing = rotate_by),
            ("Shear X", lambda: y_thing = shear_x_by),
            ("Shear Y", lambda: y_thing = shear_y_by),
        ), default=1)
        self.mb.insert('view-vertical', _menu_View_Vertical)
        _menu_View.insert(MenuEntrySubmenu("Vertical","view-vertical"))

        let _menu_View_Filter = check_list((
            ("Bilinear", lambda: tt_filter = TTShape.TT_PATH_FILTER_BILINEAR),
            ("Nearest",  lambda: tt_filter = TTShape.TT_PATH_FILTER_NEAREST)
        ))
        self.mb.insert('view-filter', _menu_View_Filter)
        _menu_View.insert(MenuEntrySubmenu("Filter","view-filter"))

        let _menu_View_Wrap = check_list((
            ('Repeat', lambda: tt_wrap = TTShape.TT_PATH_WRAP_REPEAT),
            ('None',   lambda: tt_wrap = TTShape.TT_PATH_WRAP_NONE),
            ('Pad',    lambda: tt_wrap = TTShape.TT_PATH_WRAP_PAD)
        ))
        self.mb.insert('view-wrap', _menu_View_Wrap)
        _menu_View.insert(MenuEntrySubmenu("Wrap",'view-wrap'))

        let _menu_View_Texture = check_list((
            ('Star',    lambda: tt_texture = texture_star),
            ('Flowers', lambda: tt_texture = texture_flowers),
        ))
        self.mb.insert('view-texture', _menu_View_Texture)
        _menu_View.insert(MenuEntrySubmenu('Texture','view-texture'))

        let _menu_View_Shape = check_list((
            ('Text', lambda: base_graphic = draw_text),
            ('Box',  lambda: base_graphic = draw_box),
        ))
        self.mb.insert('view-shape', _menu_View_Shape)
        _menu_View.insert(MenuEntrySubmenu('Shape','view-shape'))

        self.mb.insert('view', _menu_View)

        let _menu_Help = MenuList()
        let _menu_Help_help = MenuEntry("Help",lambda menu: print("Should open some help here I guess"))
        _menu_Help.insert(_menu_Help_help)
        self.mb.insert('help', _menu_Help)
        self.mb.callback = lambda x: self.pending_updates = True
        self.cursor = 0,0
        self.redrawer = Task(self.redraw_loop())
        self.pending_updates = True

    async def redraw_loop(self):
        while not self.closed:
            if self.pending_updates:
                self.draw()
                self.pending_updates = False
            await sleep(0.016)

    def draw(self):
        self.fill(self.bgc)
        decor_render(self)
        let bounds = decor_get_bounds(self)
        self.mb.place(bounds['left_width'],bounds['top_height'],self.width-bounds['width'],self)
        self.mb.render(self)
        self.mb.height = 24 # Compatibility
        let sprite = Sprite(width=self.width-bounds['width'],height=self.height-bounds['height']-self.mb.height)
        sprite.fill(rgb(255,255,255))
        paint_demo(sprite,self.cursor)
        self.draw_sprite(sprite,bounds['left_width'],bounds['top_height']+self.mb.height)
        sprite.free()
        self.flip()

    def mouse_event(self, msg):
        let decResponse = decor_handle_event(msg)
        if decResponse == 2:
            self.close()
            return True
        else if decResponse == 5:
            decor_show_default_menu(self, self.x + msg.new_x, self.y + msg.new_y)
        self.mb.mouse_event(self, msg)
        let nc = msg.new_x, msg.new_y
        if self.cursor != nc:
            self.cursor = nc
            self.pending_updates = True

    def keyboard_event(self, msg):
        if msg.keycode == 113 and msg.action == 1:
            self.close()

    def close(self):
        super().close()
        mainloop.exit()

    def window_moved(self, msg):
        self.pending_updates = True

    def menu_close(self):
        self.pending_updates = True

    def finish_resize(self, msg):
        if msg.width < 100 or msg.height < 100:
            self.resize_offer(100 if msg.width < 100 else msg.width, 100 if msg.height < 100 else msg.height)
            return
        super().finish_resize(msg)

mainloop.activate()

let w = MyWindow()
w.move(200,200)
w.draw()

mainloop.menu_closed_callback = w.menu_close
mainloop.run()