| 1 | import threading, gtk, gio, gobject |
| 2 | import lib |
| 3 | |
| 4 | class notdone(Exception): pass |
| 5 | |
| 6 | class future(threading.Thread): |
| 7 | prog = None |
| 8 | |
| 9 | def __init__(self): |
| 10 | super(future, self).__init__() |
| 11 | self._val = None |
| 12 | self._exc = None |
| 13 | self.start() |
| 14 | |
| 15 | def run(self): |
| 16 | try: |
| 17 | val = self.value() |
| 18 | except Exception as e: |
| 19 | self._exc = e |
| 20 | else: |
| 21 | self._val = [val] |
| 22 | |
| 23 | @property |
| 24 | def val(self): |
| 25 | if self._exc is not None: |
| 26 | raise self._exc |
| 27 | if self._val is None: |
| 28 | raise notdone() |
| 29 | return self._val[0] |
| 30 | |
| 31 | @property |
| 32 | def done(self): |
| 33 | return self._exc != None or self._val != None |
| 34 | |
| 35 | class imgload(future): |
| 36 | def __init__(self, page): |
| 37 | self.page = page |
| 38 | self.st = None |
| 39 | super(imgload, self).__init__() |
| 40 | |
| 41 | def value(self): |
| 42 | buf = bytearray() |
| 43 | with self.page.open() as st: |
| 44 | self.p = 0 |
| 45 | self.st = st |
| 46 | while True: |
| 47 | read = st.read(1024) |
| 48 | if read == "": |
| 49 | break |
| 50 | self.p += len(read) |
| 51 | buf.extend(read) |
| 52 | self.st = None |
| 53 | return gtk.gdk.pixbuf_new_from_stream(gio.memory_input_stream_new_from_data(str(buf))) |
| 54 | |
| 55 | @property |
| 56 | def prog(self): |
| 57 | if self.st is None or self.st.clen is None: |
| 58 | return None |
| 59 | return float(self.p) / float(self.st.clen) |
| 60 | |
| 61 | class pageview(gtk.Widget): |
| 62 | def __init__(self, pixbuf): |
| 63 | super(pageview, self).__init__() |
| 64 | self.pixbuf = pixbuf |
| 65 | self.zoomed = None, None |
| 66 | self.fit = True |
| 67 | self.zoom = 1.0 |
| 68 | self.interp = gtk.gdk.INTERP_HYPER |
| 69 | self.off = 0, 0 |
| 70 | |
| 71 | def get_osize(self): |
| 72 | return self.pixbuf.get_width(), self.pixbuf.get_height() |
| 73 | |
| 74 | def get_asize(self): |
| 75 | return self.allocation.width, self.allocation.height |
| 76 | |
| 77 | def do_realize(self): |
| 78 | self.set_flags(self.flags() | gtk.REALIZED) |
| 79 | alloc = self.allocation |
| 80 | self.window = gtk.gdk.Window(self.get_parent_window(), |
| 81 | width=alloc.width, height=alloc.height, |
| 82 | window_type = gtk.gdk.WINDOW_CHILD, |
| 83 | wclass = gtk.gdk.INPUT_OUTPUT, |
| 84 | event_mask = self.get_events() | gtk.gdk.EXPOSURE_MASK |
| 85 | ) |
| 86 | self.window.set_user_data(self) |
| 87 | self.style.attach(self.window) |
| 88 | self.style.set_background(self.window, gtk.STATE_NORMAL) |
| 89 | self.window.move_resize(*alloc) |
| 90 | |
| 91 | def do_unrealize(self): |
| 92 | self.window.set_user_data(None) |
| 93 | |
| 94 | def do_size_request(self, req): |
| 95 | req.width, req.height = self.get_osize() |
| 96 | |
| 97 | def fitzoom(self): |
| 98 | w, h = self.get_osize() |
| 99 | alloc = self.allocation |
| 100 | return min(float(alloc.width) / float(w), float(alloc.height) / float(h)) |
| 101 | |
| 102 | def do_size_allocate(self, alloc): |
| 103 | self.allocation = alloc |
| 104 | if self.fit: |
| 105 | self.zoom = self.fitzoom() |
| 106 | if self.flags() & gtk.REALIZED: |
| 107 | self.window.move_resize(*alloc) |
| 108 | |
| 109 | def get_zoomed(self): |
| 110 | zoom = self.zoom |
| 111 | pz, zbuf = self.zoomed |
| 112 | if pz != zoom: |
| 113 | w, h = self.get_osize() |
| 114 | zbuf = self.pixbuf.scale_simple(int(w * zoom), int(h * zoom), self.interp) |
| 115 | self.zoomed = zoom, zbuf |
| 116 | return zbuf |
| 117 | |
| 118 | def get_zsize(self): |
| 119 | zbuf = self.get_zoomed() |
| 120 | return zbuf.get_width(), zbuf.get_height() |
| 121 | |
| 122 | def do_expose_event(self, event): |
| 123 | aw, ah = self.get_asize() |
| 124 | dw, dh = aw, ah |
| 125 | zbuf = self.get_zoomed() |
| 126 | zw, zh = self.get_zsize() |
| 127 | ox, oy = self.off |
| 128 | dx, dy = 0, 0 |
| 129 | if zw < aw: |
| 130 | dx = (aw - zw) / 2 |
| 131 | dw = zw |
| 132 | if zh < ah: |
| 133 | dy = (ah - zh) / 2 |
| 134 | dh = zh |
| 135 | gc = self.style.fg_gc[gtk.STATE_NORMAL] |
| 136 | self.window.draw_pixbuf(gc, zbuf, ox, oy, dx, dy, dw, dh) |
| 137 | |
| 138 | def set_off(self, off): |
| 139 | aw, ah = self.get_asize() |
| 140 | zw, zh = self.get_zsize() |
| 141 | ox, oy = off |
| 142 | ox, oy = int(ox), int(oy) |
| 143 | if ox > zw - aw: ox = zw - aw |
| 144 | if oy > zh - ah: oy = zh - ah |
| 145 | if ox < 0: ox = 0 |
| 146 | if oy < 0: oy = 0 |
| 147 | self.off = ox, oy |
| 148 | self.queue_draw() |
| 149 | |
| 150 | def set_zoom(self, zoom): |
| 151 | if zoom is not None: zoom = float(zoom) |
| 152 | aw, ah = self.get_asize() |
| 153 | zw, zh = self.get_zsize() |
| 154 | dw, dh = zw - aw, zh - ah |
| 155 | ox, oy = self.off |
| 156 | xa = float(ox) / float(dw) if dw > 0 else 0.5 |
| 157 | ya = float(oy) / float(dh) if dh > 0 else 0.5 |
| 158 | |
| 159 | if zoom is None: |
| 160 | self.fit = True |
| 161 | self.zoom = self.fitzoom() |
| 162 | else: |
| 163 | self.fit = False |
| 164 | self.zoom = zoom |
| 165 | |
| 166 | zw, zh = self.get_zsize() |
| 167 | dw, dh = zw - aw, zh - ah |
| 168 | ox = int(xa * dw) if dw > 0 else 0 |
| 169 | oy = int(ya * dh) if dh > 0 else 0 |
| 170 | self.set_off((ox, oy)) |
| 171 | gobject.type_register(pageview) |
| 172 | |
| 173 | class reader(gtk.Window): |
| 174 | def __init__(self, manga): |
| 175 | super(reader, self).__init__(gtk.WINDOW_TOPLEVEL) |
| 176 | self.connect("delete_event", lambda wdg, ev, data=None: False) |
| 177 | self.connect("destroy", lambda wdg, data=None: self.quit()) |
| 178 | self.connect("key_press_event", self.key) |
| 179 | self.pfr = gtk.Frame(None) |
| 180 | self.pfr.set_shadow_type(gtk.SHADOW_NONE) |
| 181 | self.add(self.pfr) |
| 182 | self.pfr.show() |
| 183 | |
| 184 | self.manga = manga |
| 185 | self.page = None |
| 186 | self.cursor = lib.cursor(manga) |
| 187 | self.setpage(self.cursor.cur) |
| 188 | self.updtitle() |
| 189 | |
| 190 | def setpage(self, page): |
| 191 | if self.page is not None: |
| 192 | self.pfr.remove(self.page) |
| 193 | self.page = None |
| 194 | if page is not None: |
| 195 | with self.cursor.cur.open() as inp: |
| 196 | pb = gtk.gdk.pixbuf_new_from_stream(gio.memory_input_stream_new_from_data(inp.read())) |
| 197 | self.page = pageview(pb) |
| 198 | self.pfr.add(self.page) |
| 199 | self.page.show() |
| 200 | |
| 201 | def updtitle(self): |
| 202 | self.set_title(u"Automanga \u2013 " + self.manga.name) |
| 203 | |
| 204 | @property |
| 205 | def zoom(self): |
| 206 | return self.page.zoom |
| 207 | @zoom.setter |
| 208 | def zoom(self, zoom): |
| 209 | self.page.set_zoom(zoom) |
| 210 | |
| 211 | def pan(self, off): |
| 212 | ox, oy = self.page.off |
| 213 | px, py = off |
| 214 | self.page.set_off((ox + px, oy + py)) |
| 215 | |
| 216 | def key(self, wdg, ev, data=None): |
| 217 | if ev.keyval in [ord('Q'), ord('q'), 65307]: |
| 218 | self.quit() |
| 219 | if ev.keyval in [ord('O'), ord('o')]: |
| 220 | self.zoom = 1.0 |
| 221 | elif ev.keyval in [ord('P'), ord('p')]: |
| 222 | self.zoom = None |
| 223 | elif ev.keyval in [ord('[')]: |
| 224 | self.zoom = min(self.zoom * 1.25, 3) |
| 225 | elif ev.keyval in [ord(']')]: |
| 226 | self.zoom /= 1.25 |
| 227 | elif ev.keyval in [ord('h')]: |
| 228 | self.pan((-100, 0)) |
| 229 | elif ev.keyval in [ord('j')]: |
| 230 | self.pan((0, 100)) |
| 231 | elif ev.keyval in [ord('k')]: |
| 232 | self.pan((0, -100)) |
| 233 | elif ev.keyval in [ord('l')]: |
| 234 | self.pan((100, 0)) |
| 235 | elif ev.keyval in [ord('H')]: |
| 236 | self.page.set_off((0, self.page.off[1])) |
| 237 | elif ev.keyval in [ord('J')]: |
| 238 | self.page.set_off((self.page.off[0], self.page.get_asize()[1])) |
| 239 | elif ev.keyval in [ord('K')]: |
| 240 | self.page.set_off((self.page.off[1], 0)) |
| 241 | elif ev.keyval in [ord('L')]: |
| 242 | self.page.set_off((self.page.get_asize()[0], self.page.off[1])) |
| 243 | elif ev.keyval in [ord(' ')]: |
| 244 | self.setpage(self.cursor.next()) |
| 245 | elif ev.keyval in [65288]: |
| 246 | self.setpage(self.cursor.prev()) |
| 247 | |
| 248 | def quit(self): |
| 249 | self.hide() |
| 250 | gobject.type_register(reader) |