1 import threading, gtk, gio, gobject
4 class notdone(Exception): pass
6 class future(threading.Thread):
10 super(future, self).__init__()
19 super(future, self).start()
25 except Exception as e:
28 for cb in self._notlist:
34 for cb in self._notlist:
38 # Caller must hold GDK lock
42 self._notlist.append(cb)
49 for cb in self._notlist:
57 if self._exc is not None:
66 return self._exc != None or self._val != None
70 while self.is_alive():
74 class imgload(future):
75 def __init__(self, page):
76 super(imgload, self).__init__()
83 with self.page.open() as st:
94 return gtk.gdk.pixbuf_new_from_stream(gio.memory_input_stream_new_from_data(str(buf)))
98 if self.st is None or self.st.clen is None:
100 return float(self.p) / float(self.st.clen)
102 class pagecache(object):
103 def __init__(self, sz=50):
107 def __getitem__(self, page):
109 for ol, f in self.bk:
113 self.bk.append((idl, f))
114 if len(self.bk) > self.sz:
115 self.bk = self.bk[-sz:]
118 class relpageget(future):
119 def __init__(self, cur, prev, cache=None):
120 super(relpageget, self).__init__()
121 self.cur = lib.cursor(cur)
129 page = self.cur.prev()
131 page = self.cur.next()
132 except StopIteration:
139 class pageget(future):
140 def __init__(self, fnode):
141 super(pageget, self).__init__()
146 return lib.cursor(self.fnode).cur
148 class ccursor(object):
149 def __init__(self, ob, cache=None):
150 self.cur = lib.cursor(ob)
151 self.prev = relpageget(self.cur, True, cache)
152 self.next = relpageget(self.cur, False, cache)
154 class pageview(gtk.Widget):
155 def __init__(self, pixbuf):
156 super(pageview, self).__init__()
158 self.zoomed = None, None
161 self.interp = gtk.gdk.INTERP_HYPER
165 return self.pixbuf.get_width(), self.pixbuf.get_height()
168 return self.allocation.width, self.allocation.height
170 def do_realize(self):
171 self.set_flags(self.flags() | gtk.REALIZED)
172 alloc = self.allocation
173 self.window = gtk.gdk.Window(self.get_parent_window(),
174 width=alloc.width, height=alloc.height,
175 window_type = gtk.gdk.WINDOW_CHILD,
176 wclass = gtk.gdk.INPUT_OUTPUT,
177 event_mask = self.get_events() | gtk.gdk.EXPOSURE_MASK
179 self.window.set_user_data(self)
180 self.style.attach(self.window)
181 self.style.set_background(self.window, gtk.STATE_NORMAL)
182 self.window.move_resize(*alloc)
184 def do_unrealize(self):
185 self.window.set_user_data(None)
187 def do_size_request(self, req):
188 req.width, req.height = self.get_osize()
191 w, h = self.get_osize()
192 alloc = self.allocation
193 return min(float(alloc.width) / float(w), float(alloc.height) / float(h))
195 def do_size_allocate(self, alloc):
196 self.allocation = alloc
198 self.zoom = self.fitzoom()
199 if self.flags() & gtk.REALIZED:
200 self.window.move_resize(*alloc)
202 def get_zoomed(self):
204 pz, zbuf = self.zoomed
206 w, h = self.get_osize()
207 zbuf = self.pixbuf.scale_simple(int(w * zoom), int(h * zoom), self.interp)
208 self.zoomed = zoom, zbuf
212 zbuf = self.get_zoomed()
213 return zbuf.get_width(), zbuf.get_height()
215 def do_expose_event(self, event):
216 aw, ah = self.get_asize()
218 zbuf = self.get_zoomed()
219 zw, zh = self.get_zsize()
228 gc = self.style.fg_gc[gtk.STATE_NORMAL]
229 self.window.draw_pixbuf(gc, zbuf, ox, oy, dx, dy, dw, dh)
231 def set_off(self, off):
232 aw, ah = self.get_asize()
233 zw, zh = self.get_zsize()
235 ox, oy = int(ox), int(oy)
236 if ox > zw - aw: ox = zw - aw
237 if oy > zh - ah: oy = zh - ah
243 def set_zoom(self, zoom):
244 if zoom is not None: zoom = float(zoom)
245 aw, ah = self.get_asize()
246 zw, zh = self.get_zsize()
247 dw, dh = zw - aw, zh - ah
249 xa = float(ox) / float(dw) if dw > 0 else 0.5
250 ya = float(oy) / float(dh) if dh > 0 else 0.5
254 self.zoom = self.fitzoom()
259 zw, zh = self.get_zsize()
260 dw, dh = zw - aw, zh - ah
261 ox = int(xa * dw) if dw > 0 else 0
262 oy = int(ya * dh) if dh > 0 else 0
263 self.set_off((ox, oy))
264 gobject.type_register(pageview)
266 class msgproc(object):
267 def attach(self, reader):
269 self.msg = gtk.Alignment(0, 0.5, 0, 0)
270 self.hlay = gtk.HBox()
271 self.lbl = gtk.Label("")
272 self.hlay.pack_start(self.lbl)
274 self.msg.add(self.hlay)
276 self.rd.sbar.pack_start(self.msg)
281 if p is not None and self._prog is None:
282 self._prog = gtk.ProgressBar()
283 self._prog.set_fraction(p)
284 self.hlay.pack_start(self._prog, padding=5)
286 elif p is None and self._prog is not None:
287 self.hlay.remove(self._prog)
291 self.rd.sbar.remove(self.msg)
293 class pagefetch(msgproc):
294 def __init__(self, fpage, setcb=None):
298 def attach(self, reader):
299 super(pagefetch, self).attach(reader)
300 self.lbl.set_text("Fetching page...")
301 self.pg.notify(self.haspage)
304 if self.rd.pagefetch.cur != self: return False
307 if self.pg.val is not None:
308 self.rd.setpage(self.pg.val)
309 if self.setcb is not None:
310 self.setcb(self.pg.val)
311 self.rd.pagefetch.set(None)
313 class imgfetch(msgproc):
314 def __init__(self, fimage):
319 def attach(self, reader):
320 super(imgfetch, self).attach(reader)
321 self.lbl.set_text("Fetching image...")
322 self.img.notify(self.imgprog)
325 if self.rd.imgfetch.cur != self: return False
329 except Exception as e:
334 self.rd.imgfetch.set(None)
336 self.prog(self.img.prog)
340 self.rd.sbar.remove(self.msg)
343 if self.error is not None:
344 self.rd.pagelbl.set_text("Error fetching image: " + self.error)
346 class preload(msgproc):
347 def __init__(self, fpage):
350 def attach(self, reader):
351 super(preload, self).attach(reader)
352 self.lbl.set_text("Fetching next page...")
353 self.pg.notify(self.haspage)
356 if self.rd.preload.cur != self: return False
357 if not self.pg.done: return True
358 if self.pg.val is not None:
359 self.img = self.rd.cache[self.pg.val]
360 self.lbl.set_text("Loading next page...")
361 self.img.notify(self.imgprog)
363 self.rd.preload.set(None)
366 if self.rd.preload.cur != self: return False
368 self.rd.preload.set(None)
370 self.prog(self.img.prog)
374 self.rd.sbar.remove(self.msg)
376 class procslot(object):
377 __slots__ = ["cur", "p"]
378 def __init__(self, p):
383 if self.cur is not None:
394 class reader(gtk.Window):
395 def __init__(self, manga):
396 super(reader, self).__init__(gtk.WINDOW_TOPLEVEL)
397 self.connect("delete_event", lambda wdg, ev, data=None: False)
398 self.connect("destroy", lambda wdg, data=None: self.quit())
399 self.connect("key_press_event", self.key)
400 self.cache = pagecache()
401 self.pagefetch = procslot(self)
402 self.imgfetch = procslot(self)
403 self.preload = procslot(self)
406 self.pfr = gtk.Frame(None)
407 self.pfr.set_shadow_type(gtk.SHADOW_NONE)
408 vlay.pack_start(self.pfr)
410 self.sbar = gtk.HBox()
411 self.pagelbl = gtk.Label("")
412 algn = gtk.Alignment(0, 0.5, 0, 0)
413 algn.add(self.pagelbl)
415 self.sbar.pack_start(algn)
417 vlay.pack_end(self.sbar, False)
424 self.fetchpage(pageget(self.manga))
428 def updpagelbl(self):
429 if self.page is None:
430 self.pagelbl.set_text("")
432 w, h = self.page.get_osize()
433 self.pagelbl.set_text(u"%s\u00d7%s (%d%%)" % (w, h, int(self.page.zoom * 100)))
435 def setimg(self, img):
436 if self.page is not None:
437 self.pfr.remove(self.page)
440 self.page = pageview(img)
441 self.pfr.add(self.page)
445 def setpage(self, page):
446 if self.point is not None:
449 self.point = ccursor(page, self.cache)
450 self.imgfetch.set(imgfetch(self.cache[page]))
454 def fetchpage(self, fpage, setcb=None):
455 self.imgfetch.set(None)
456 proc = pagefetch(fpage, setcb)
457 self.pagefetch.set(proc)
461 self.set_title(u"Automanga \u2013 " + self.manga.name)
465 return self.page.zoom
467 def zoom(self, zoom):
468 self.page.set_zoom(zoom)
472 ox, oy = self.page.off
474 self.page.set_off((ox + px, oy + py))
476 def key(self, wdg, ev, data=None):
477 if ev.keyval in [ord('Q'), ord('q')]:
479 elif ev.keyval in [65307]:
480 if self.page is not None:
481 self.pagefetch.set(None)
482 self.imgfetch.set(None)
483 if self.page is not None:
484 if ev.keyval in [ord('O'), ord('o')]:
486 elif ev.keyval in [ord('P'), ord('p')]:
488 elif ev.keyval in [ord('[')]:
489 self.zoom = min(self.zoom * 1.25, 3)
490 elif ev.keyval in [ord(']')]:
492 elif ev.keyval in [ord('h')]:
494 elif ev.keyval in [ord('j')]:
496 elif ev.keyval in [ord('k')]:
498 elif ev.keyval in [ord('l')]:
500 elif ev.keyval in [ord('H')]:
501 self.page.set_off((0, self.page.off[1]))
502 elif ev.keyval in [ord('J')]:
503 self.page.set_off((self.page.off[0], self.page.get_asize()[1]))
504 elif ev.keyval in [ord('K')]:
505 self.page.set_off((self.page.off[1], 0))
506 elif ev.keyval in [ord('L')]:
507 self.page.set_off((self.page.get_asize()[0], self.page.off[1]))
508 if self.point is not None:
509 if ev.keyval in [ord(' ')]:
510 self.fetchpage(self.point.next, lambda page: self.preload.set(preload(relpageget(page, False, self.cache))))
511 elif ev.keyval in [65288]:
512 self.fetchpage(self.point.prev, lambda page: self.preload.set(preload(relpageget(page, True, self.cache))))
517 gobject.type_register(reader)