"""main.py - Main window."""
import os
import shutil
import threading
import gtk
import gobject
from mcomix import constants
from mcomix import cursor_handler
from mcomix import i18n
from mcomix import enhance_backend
from mcomix import enhance_dialog
from mcomix import event
from mcomix import file_handler
from mcomix import image_handler
from mcomix import image_tools
from mcomix import lens
from mcomix import preferences
from mcomix.preferences import prefs
from mcomix import ui
from mcomix import slideshow
from mcomix import status
from mcomix import thumbbar
from mcomix import clipboard
from mcomix import pageselect
from mcomix import osd
from mcomix import keybindings
from mcomix import zoom
from mcomix import bookmark_backend
from mcomix import message_dialog
from mcomix import callback
from mcomix.library import backend
from mcomix import scrolling
from mcomix import tools
import math
import operator
class MainWindow(gtk.Window):
"""The main window, is created at start and terminates the
program when closed.
"""
def __init__(self, fullscreen=False, is_slideshow=slideshow,
show_library=False, manga_mode=False, double_page=False,
zoom_mode=None, open_path=None, open_page=1):
gtk.Window.__init__(self, gtk.WINDOW_TOPLEVEL)
# ----------------------------------------------------------------
# Attributes
# ----------------------------------------------------------------
self.is_in_focus = True
self.is_fullscreen = False
self.is_double_page = False
self.is_manga_mode = False
self.is_virtual_double_page = False # I.e. a wide image is displayed
self.width = None
self.height = None
self.was_out_of_focus = False
#: Used to remember if changing to fullscreen enabled 'Hide all'
self.hide_all_forced = False
self._spacing = 2
self._waiting_for_redraw = False
self._image_box = gtk.HBox(False, 2) # XXX transitional(kept for osd.py)
self._main_layout = gtk.Layout()
self._event_handler = event.EventHandler(self)
self._vadjust = self._main_layout.get_vadjustment()
self._hadjust = self._main_layout.get_hadjustment()
self._scroll = (gtk.HScrollbar(self._hadjust),
gtk.VScrollbar(self._vadjust))
self.filehandler = file_handler.FileHandler(self)
self.imagehandler = image_handler.ImageHandler(self)
self.imagehandler.page_available += self._page_available
self.thumbnailsidebar = thumbbar.ThumbnailSidebar(self)
self.statusbar = status.Statusbar()
self.clipboard = clipboard.Clipboard(self)
self.slideshow = slideshow.Slideshow(self)
self.cursor_handler = cursor_handler.CursorHandler(self)
self.enhancer = enhance_backend.ImageEnhancer(self)
self.lens = lens.MagnifyingLens(self)
self.osd = osd.OnScreenDisplay(self)
self.zoom = zoom.ZoomModel()
self.uimanager = ui.MainUI(self)
self.menubar = self.uimanager.get_widget('/Menu')
self.toolbar = self.uimanager.get_widget('/Tool')
self.popup = self.uimanager.get_widget('/Popup')
self.actiongroup = self.uimanager.get_action_groups()[0]
self.images = [gtk.Image(), gtk.Image()] # XXX limited to at most 2 pages
# ----------------------------------------------------------------
# Setup
# ----------------------------------------------------------------
self.set_title(constants.APPNAME)
self.set_size_request(300, 300) # Avoid making the window *too* small
self.resize(prefs['window width'], prefs['window height'])
# Hook up keyboard shortcuts
self._event_handler.register_key_events()
# This is a hack to get the focus away from the toolbar so that
# we don't activate it with space or some other key (alternative?)
self.toolbar.set_focus_child(
self.uimanager.get_widget('/Tool/expander'))
self.toolbar.set_style(gtk.TOOLBAR_ICONS)
self.toolbar.set_icon_size(gtk.ICON_SIZE_LARGE_TOOLBAR)
for img in self.images:
self._main_layout.put(img, 0, 0)
self.set_bg_colour(prefs['bg colour'])
self._vadjust.step_increment = 15
self._vadjust.page_increment = 1
self._hadjust.step_increment = 15
self._hadjust.page_increment = 1
table = gtk.Table(2, 2, False)
table.attach(self.thumbnailsidebar, 0, 1, 2, 5, gtk.FILL,
gtk.FILL|gtk.EXPAND, 0, 0)
table.attach(self._main_layout, 1, 2, 2, 3, gtk.FILL|gtk.EXPAND,
gtk.FILL|gtk.EXPAND, 0, 0)
table.attach(self._scroll[constants.HEIGHT_AXIS], 2, 3, 2, 3, gtk.FILL|gtk.SHRINK,
gtk.FILL|gtk.SHRINK, 0, 0)
table.attach(self._scroll[constants.WIDTH_AXIS], 1, 2, 4, 5, gtk.FILL|gtk.SHRINK,
gtk.FILL, 0, 0)
table.attach(self.menubar, 0, 3, 0, 1, gtk.FILL|gtk.SHRINK,
gtk.FILL, 0, 0)
table.attach(self.toolbar, 0, 3, 1, 2, gtk.FILL|gtk.SHRINK,
gtk.FILL, 0, 0)
table.attach(self.statusbar, 0, 3, 5, 6, gtk.FILL|gtk.SHRINK,
gtk.FILL, 0, 0)
if prefs['default double page'] or double_page:
self.actiongroup.get_action('double_page').activate()
if prefs['default manga mode'] or manga_mode:
self.actiongroup.get_action('manga_mode').activate()
# Determine zoom mode. If zoom_mode is passed, it overrides
# the zoom mode preference.
zoom_actions = { constants.ZOOM_MODE_BEST : 'best_fit_mode',
constants.ZOOM_MODE_WIDTH : 'fit_width_mode',
constants.ZOOM_MODE_HEIGHT : 'fit_height_mode',
constants.ZOOM_MODE_SIZE : 'fit_size_mode',
constants.ZOOM_MODE_MANUAL : 'fit_manual_mode' }
if zoom_mode is not None:
zoom_action = zoom_actions[zoom_mode]
else:
zoom_action = zoom_actions[prefs['zoom mode']]
if zoom_action == 'fit_manual_mode':
# This little ugly hack is to get the activate call on
# 'fit_manual_mode' to actually create an event (and callback).
# Since manual mode is the default selected radio button action
# it won't send an event if we activate it when it is already
# the selected one.
self.actiongroup.get_action('best_fit_mode').activate()
self.actiongroup.get_action(zoom_action).activate()
if prefs['stretch']:
self.actiongroup.get_action('stretch').activate()
if prefs['invert smart scroll']:
self.actiongroup.get_action('invert_scroll').activate()
if prefs['show toolbar']:
prefs['show toolbar'] = False
self.actiongroup.get_action('toolbar').activate()
if prefs['show menubar']:
prefs['show menubar'] = False
self.actiongroup.get_action('menubar').activate()
if prefs['show statusbar']:
prefs['show statusbar'] = False
self.actiongroup.get_action('statusbar').activate()
if prefs['show scrollbar']:
prefs['show scrollbar'] = False
self.actiongroup.get_action('scrollbar').activate()
if prefs['show thumbnails']:
prefs['show thumbnails'] = False
self.actiongroup.get_action('thumbnails').activate()
if prefs['hide all']:
prefs['hide all'] = False
self.actiongroup.get_action('hide_all').activate()
if prefs['keep transformation']:
prefs['keep transformation'] = False
self.actiongroup.get_action('keep_transformation').activate()
else:
prefs['rotation'] = 0
prefs['vertical flip'] = False
prefs['horizontal flip'] = False
self.actiongroup.get_action('menu_autorotate_width').set_sensitive(False)
self.actiongroup.get_action('menu_autorotate_height').set_sensitive(False)
self.add(table)
table.show()
self._main_layout.show()
self._display_active_widgets()
self._main_layout.set_events(gtk.gdk.BUTTON1_MOTION_MASK |
gtk.gdk.BUTTON2_MOTION_MASK |
gtk.gdk.BUTTON_PRESS_MASK |
gtk.gdk.BUTTON_RELEASE_MASK |
gtk.gdk.POINTER_MOTION_MASK)
self._main_layout.drag_dest_set(gtk.DEST_DEFAULT_ALL,
[('text/uri-list', 0, 0)],
gtk.gdk.ACTION_COPY |
gtk.gdk.ACTION_MOVE)
self.connect( 'focus-in-event', self.gained_focus )
self.connect( 'focus-out-event', self.lost_focus )
self.connect('delete_event', self.close_program)
self.connect('key_press_event', self._event_handler.key_press_event)
self.connect('key_release_event', self._event_handler.key_release_event)
self.connect('configure_event', self._event_handler.resize_event)
self._main_layout.connect('button_release_event',
self._event_handler.mouse_release_event)
self._main_layout.connect('scroll_event',
self._event_handler.scroll_wheel_event)
self._main_layout.connect('button_press_event',
self._event_handler.mouse_press_event)
self._main_layout.connect('motion_notify_event',
self._event_handler.mouse_move_event)
self._main_layout.connect('drag_data_received',
self._event_handler.drag_n_drop_event)
self.uimanager.set_sensitivities()
self.show()
# If MComix is set to start in fullscreen mode, it
# cannot switch to windowed mode on Win32 unless this
# condition is set to trigger after normal show().
if prefs['default fullscreen'] or fullscreen:
self.actiongroup.get_action('fullscreen').activate()
if prefs['previous quit was quit and save']:
fileinfo = self.filehandler.read_fileinfo_file()
if fileinfo != None:
open_path = fileinfo[0]
open_page = fileinfo[1] + 1
prefs['previous quit was quit and save'] = False
if open_path is not None:
open_page = self.filehandler._get_last_read_page(open_path)
self.filehandler.open_file(open_path, open_page)
if is_slideshow:
self.actiongroup.get_action('slideshow').activate()
if show_library:
self.actiongroup.get_action('library').activate()
def gained_focus(self, *args):
self.is_in_focus = True
def lost_focus(self, *args):
self.is_in_focus = False
# If the user presses CTRL for a keyboard shortcut, e.g. to
# open the library, key_release_event isn't fired and force_single_step
# isn't properly unset.
self.imagehandler.force_single_step = False
@callback.Callback
def draw_image(self, at_bottom=False, scroll=False):
"""Draw the current pages and update the titlebar and statusbar.
"""
if not self._waiting_for_redraw: # Don't stack up redraws.
self._waiting_for_redraw = True
gobject.idle_add(self._draw_image, at_bottom, scroll,
priority=gobject.PRIORITY_HIGH_IDLE)
def _draw_image(self, at_bottom, scroll):
self._display_active_widgets()
if not self.filehandler.file_loaded:
self._waiting_for_redraw = False
return False
self.is_virtual_double_page = self.imagehandler.get_virtual_double_page()
if self.imagehandler.page_is_available():
distribution_axis = constants.DISTRIBUTION_AXIS
alignment_axis = constants.ALIGNMENT_AXIS
n = 2 if self.displayed_double() else 1 # XXX limited to at most 2 pages
pixbufs = list(self.imagehandler.get_pixbufs(n))
rotations = [self._get_pixbuf_rotation(x, True) for x in pixbufs]
sizes = map(lambda y: tuple(reversed(y[1])) \
if rotations[y[0]] in (90, 270) else y[1], # 2D only
enumerate([(x.get_width(), x.get_height()) for x in pixbufs]))
viewport_size = () # dummy
scrollbar_requests = [False] * len(self._scroll)
# Visible area size is recomputed depending on scrollbar visibility
while True:
self._show_scrollbars(scrollbar_requests)
new_viewport_size = self.get_visible_area_size()
if new_viewport_size == viewport_size:
break
viewport_size = new_viewport_size
zoom_dummy_size = list(viewport_size)
dasize = zoom_dummy_size[distribution_axis] - \
self._spacing * (n - 1)
if dasize <= 0:
dasize = 1
zoom_dummy_size[distribution_axis] = dasize
scaled_sizes = self.zoom.get_zoomed_size(sizes, zoom_dummy_size,
distribution_axis)
layout = scrolling.FiniteLayout(scaled_sizes, viewport_size,
scrolling.MANGA_ORIENTATION if self.is_manga_mode
else scrolling.WESTERN_ORIENTATION, self._spacing, False,
distribution_axis, alignment_axis) # XXX replace by ordinary member
union_scaled_size = layout.get_union_box().get_size()
scrollbar_requests = map(operator.or_, scrollbar_requests,
tools.smaller(viewport_size, union_scaled_size))
for i in range(n):
pixbufs[i] = image_tools.fit_pixbuf_to_rectangle(
pixbufs[i], scaled_sizes[i], rotations[i])
for i in range(n):
if prefs['horizontal flip']: # 2D only
pixbufs[i] = pixbufs[i].flip(horizontal=True)
if prefs['vertical flip']: # 2D only
pixbufs[i] = pixbufs[i].flip(horizontal=False)
pixbufs[i] = self.enhancer.enhance(pixbufs[i])
for i in range(n):
self.images[i].set_from_pixbuf(pixbufs[i])
scales = tuple(map(lambda x, y: math.sqrt(tools.div(
tools.volume(x), tools.volume(y))), scaled_sizes, sizes))
resolutions = tuple(map(lambda x, y: x + (y,), sizes, scales))
if self.is_manga_mode:
resolutions = tuple(reversed(resolutions))
self.statusbar.set_resolution(resolutions)
smartbg = prefs['smart bg']
smartthumbbg = prefs['smart thumb bg'] and prefs['show thumbnails']
if smartbg or smartthumbbg:
bg_colour = self.imagehandler.get_pixbuf_auto_background(n)
if smartbg:
self.set_bg_colour(bg_colour)
if smartthumbbg:
self.thumbnailsidebar.change_thumbnail_background_color(bg_colour)
#self._image_box.window.freeze_updates() # XXX replacement necessary?
self._main_layout.set_size(*union_scaled_size)
content_boxes = layout.get_content_boxes()
for i in range(n):
self._main_layout.move(self.images[i],
*content_boxes[i].get_position())
for i in range(n):
self.images[i].show()
for i in range(n, len(self.images)):
self.images[i].hide()
if scroll:
if at_bottom:
self.scroll_to_fixed(horiz='endsecond', vert='bottom')
else:
self.scroll_to_fixed(horiz='startfirst', vert='top')
#self._image_box.window.thaw_updates() # XXX replacement necessary?
else:
# If the pixbuf for the current page(s) isn't available,
# hide all images to clear any old pixbufs.
for i in range(len(self.images)):
self.images[i].hide()
self._update_page_information()
self._waiting_for_redraw = False
return False
def _update_page_information(self):
""" Updates the window with information that can be gathered
even when the page pixbuf(s) aren't ready yet. """
if self.displayed_double():
self.statusbar.set_page_number(
self.imagehandler.get_current_page(),
self.imagehandler.get_number_of_pages(), 2) # XXX implied by self.displayed_double() == True
left_filename, right_filename = \
self.imagehandler.get_page_filename(double=True)
if self.is_manga_mode:
left_filename, right_filename = right_filename, left_filename
self.statusbar.set_filename(left_filename + ', ' + right_filename)
else:
self.statusbar.set_page_number(
self.imagehandler.get_current_page(),
self.imagehandler.get_number_of_pages(), 1) # XXX implied by self.displayed_double() == False
self.statusbar.set_filename(self.imagehandler.get_page_filename())
self.statusbar.set_root(self.filehandler.get_base_filename())
self.statusbar.update()
self.update_title()
def _get_pixbuf_rotation(self, pixbuf, no_autorotation=False):
""" Determines if a pixbuf must be rotated before being displayed.
Returns the degree of rotation (0, 90, 180, 270). """
width, height = pixbuf.get_width(), pixbuf.get_height()
rotation = prefs['rotation']
if prefs['auto rotate from exif']:
rotation += image_tools.get_implied_rotation(pixbuf)
rotation = rotation % 360
if (height > width and
not no_autorotation and
prefs['auto rotate depending on size'] in
(constants.AUTOROTATE_HEIGHT_90, constants.AUTOROTATE_HEIGHT_270)):
if prefs['auto rotate depending on size'] == constants.AUTOROTATE_HEIGHT_90:
rotation = 90
else:
rotation = 270
elif (width > height and
not no_autorotation and
prefs['auto rotate depending on size'] in
(constants.AUTOROTATE_WIDTH_90, constants.AUTOROTATE_WIDTH_270)):
if prefs['auto rotate depending on size'] == constants.AUTOROTATE_WIDTH_90:
rotation = 90
else:
rotation = 270
return rotation
def _page_available(self, page):
""" Called whenever a new page is ready for displaying. """
# Refresh display when currently opened page becomes available.
if page == self.imagehandler.get_current_page() \
or (self.displayed_double() and page == self.imagehandler.get_current_page() + 1):
self.draw_image(False, True)
# Use first page as application icon when opening archives.
if (page == 1
and self.filehandler.archive_type is not None
and prefs['archive thumbnail as icon']):
pixbuf = self.imagehandler.get_thumbnail(page, 48, 48)
self.set_icon(pixbuf)
def new_page(self, at_bottom=False):
"""Draw a *new* page correctly (as opposed to redrawing the same
image with a new size or whatever).
"""
if not prefs['keep transformation']:
prefs['rotation'] = 0
prefs['horizontal flip'] = False
prefs['vertical flip'] = False
self.thumbnailsidebar.update_select()
self.draw_image(at_bottom=at_bottom, scroll=True)
def set_page(self, num, at_bottom=False):
if self.imagehandler.set_page(num):
self.new_page(at_bottom=at_bottom)
self.slideshow.update_delay()
return True
else:
return False
def next_page(self, *args):
new_page_number = self.imagehandler.next_page()
if new_page_number >= 1:
self.set_page(new_page_number)
def next_page_fast_forward(self, *args):
page_num = self.imagehandler.get_current_page()
if not self.set_page(page_num + 10):
self.last_page()
def previous_page(self, *args):
new_page_number = self.imagehandler.previous_page()
if new_page_number >= 1:
self.set_page(new_page_number, at_bottom=True)
def previous_page_fast_forward(self, *args):
page_num = self.imagehandler.get_current_page()
if not self.set_page(page_num - 10):
self.first_page()
def first_page(self, *args):
new_page_number = self.imagehandler.first_page()
if new_page_number >= 1:
self.set_page(new_page_number)
def last_page(self, *args):
new_page_number = self.imagehandler.last_page()
if new_page_number >= 1:
self.set_page(new_page_number)
def page_select(self, *args):
pageselect.Pageselector(self)
def rotate_90(self, *args):
prefs['rotation'] = (prefs['rotation'] + 90) % 360
self.draw_image()
def rotate_180(self, *args):
prefs['rotation'] = (prefs['rotation'] + 180) % 360
self.draw_image()
def rotate_270(self, *args):
prefs['rotation'] = (prefs['rotation'] + 270) % 360
self.draw_image()
def flip_horizontally(self, *args):
prefs['horizontal flip'] = not prefs['horizontal flip']
self.draw_image()
def flip_vertically(self, *args):
prefs['vertical flip'] = not prefs['vertical flip']
self.draw_image()
def change_double_page(self, toggleaction):
prefs['default double page'] = toggleaction.get_active()
self.is_double_page = toggleaction.get_active()
self.draw_image()
def change_manga_mode(self, toggleaction):
prefs['default manga mode'] = toggleaction.get_active()
self.is_manga_mode = toggleaction.get_active()
self.draw_image()
def change_invert_scroll(self, toggleaction):
prefs['invert smart scroll'] = toggleaction.get_active()
def change_fullscreen(self, toggleaction):
self.is_fullscreen = toggleaction.get_active()
if self.is_fullscreen:
self.fullscreen()
self.cursor_handler.auto_hide_on()
if (prefs['hide all in fullscreen'] and
not prefs['hide all']):
self.hide_all_forced = True
self.change_hide_all()
else:
self.unfullscreen()
self.cursor_handler.auto_hide_off()
if (prefs['hide all in fullscreen'] and
prefs['hide all'] and
self.hide_all_forced):
self.change_hide_all()
self.hide_all_forced = False
def change_zoom_mode(self, radioaction=None, *args):
if radioaction:
prefs['zoom mode'] = radioaction.get_current_value()
self.zoom.set_fit_mode(prefs['zoom mode'])
self.zoom.set_scale_up(prefs['stretch'])
self.zoom.reset_user_zoom()
self.draw_image()
def change_autorotation(self, radioaction=None, *args):
""" Switches between automatic rotation modes, depending on which
radiobutton is currently activated. """
if radioaction:
prefs['auto rotate depending on size'] = radioaction.get_current_value()
self.draw_image()
def change_stretch(self, toggleaction, *args):
""" Toggles stretching small images. """
prefs['stretch'] = toggleaction.get_active()
self.zoom.set_scale_up(prefs['stretch'])
self.draw_image()
def change_toolbar_visibility(self, *args):
prefs['show toolbar'] = not prefs['show toolbar']
self.draw_image()
def change_menubar_visibility(self, *args):
prefs['show menubar'] = not prefs['show menubar']
self.draw_image()
def change_statusbar_visibility(self, *args):
prefs['show statusbar'] = not prefs['show statusbar']
self.draw_image()
def change_scrollbar_visibility(self, *args):
prefs['show scrollbar'] = not prefs['show scrollbar']
self.draw_image()
def change_thumbnails_visibility(self, *args):
prefs['show thumbnails'] = not prefs['show thumbnails']
self.draw_image()
def change_hide_all(self, *args):
prefs['hide all'] = not prefs['hide all']
sensitive = not prefs['hide all']
self.actiongroup.get_action('toolbar').set_sensitive(sensitive)
self.actiongroup.get_action('menubar').set_sensitive(sensitive)
self.actiongroup.get_action('statusbar').set_sensitive(sensitive)
self.actiongroup.get_action('scrollbar').set_sensitive(sensitive)
self.actiongroup.get_action('thumbnails').set_sensitive(sensitive)
self.draw_image()
def change_keep_transformation(self, *args):
prefs['keep transformation'] = not prefs['keep transformation']
def manual_zoom_in(self, *args):
self.zoom.zoom_in()
self.draw_image()
def manual_zoom_out(self, *args):
self.zoom.zoom_out()
self.draw_image()
def manual_zoom_original(self, *args):
self.zoom.reset_user_zoom()
self.draw_image()
def _show_scrollbars(self, request):
""" Enables scroll bars depending on requests and preferences. """
limit = prefs['show scrollbar'] and \
not prefs['hide all'] and\
not (self.is_fullscreen and \
prefs['hide all in fullscreen'])
for i in range(len(self._scroll)):
if limit and request[i]:
self._scroll[i].show_all()
else:
self._scroll[i].hide_all()
def is_scrollable_horizontally(self):
""" Returns True when the displayed image does not fit into the display
port horizontally and must be scrolled to be viewed completely. """
screen_width, _ = self.get_visible_area_size()
left_width = self.images[0].get_pixbuf() and \
self.images[0].get_pixbuf().get_width() or 0 # XXX transitional(double page limitation)
right_width = self.images[1].get_pixbuf() and \
self.images[1].get_pixbuf().get_width() or 0 # XXX transitional(double page limitation)
image_width = max(left_width, right_width)
return image_width > screen_width
def is_scrollable_vertically(self):
""" Returns True when the displayed image does not fit into the display
port vertically and must be scrolled to be viewed completely. """
_, screen_height = self.get_visible_area_size()
left_height = self.images[0].get_pixbuf() and \
self.images[0].get_pixbuf().get_height() or 0 # XXX transitional(double page limitation)
right_height = self.images[1].get_pixbuf() and \
self.images[1].get_pixbuf().get_height() or 0 # XXX transitional(double page limitation)
image_height = max(left_height, right_height)
return image_height > screen_height
def is_scrollable(self):
""" Returns True when either is_scrollable_horizontally or
is_scrollable_vertically return True. """
return self.is_scrollable_horizontally() or \
self.is_scrollable_vertically()
def scroll_with_flipping(self, x, y):
"""Returns true if able to scroll without flipping to
a new page and False otherwise."""
return self._event_handler._scroll_with_flipping(x, y)
def scroll(self, x, y, bound=None):
"""Scroll <x> px horizontally and <y> px vertically. If <bound> is
'first' or 'second', we will not scroll out of the first or second
page respectively (dependent on manga mode). The <bound> argument
only makes sense in double page mode.
Return True if call resulted in new adjustment values, False
otherwise.
"""
old_hadjust = self._hadjust.get_value()
old_vadjust = self._vadjust.get_value()
visible_width, visible_height = self.get_visible_area_size()
hadjust_upper = max(0, self._hadjust.upper - visible_width)
vadjust_upper = max(0, self._vadjust.upper - visible_height)
hadjust_lower = 0
if bound is not None and self.is_manga_mode:
bound = {'first': 'second', 'second': 'first'}[bound]
if bound == 'first':
hadjust_upper = max(0, hadjust_upper -
self.images[1].size_request()[0] - 2) # XXX transitional(double page limitation)
elif bound == 'second':
hadjust_lower = self.images[0].size_request()[0] + 2 # XXX transitional(double page limitation)
new_hadjust = old_hadjust + x
new_vadjust = old_vadjust + y
new_hadjust = max(hadjust_lower, new_hadjust)
new_vadjust = max(0, new_vadjust)
new_hadjust = min(hadjust_upper, new_hadjust)
new_vadjust = min(vadjust_upper, new_vadjust)
self._vadjust.set_value(new_vadjust)
self._hadjust.set_value(new_hadjust)
return old_vadjust != new_vadjust or old_hadjust != new_hadjust
def scroll_to_fixed(self, horiz=None, vert=None):
"""Scroll using one of several fixed values.
If either <horiz> or <vert> is as below, the display is scrolled as
follows:
horiz: 'left' = left end of display
'middle' = middle of the display
'right' = right end of display
'startfirst' = start of first page
'endfirst' = end of first page
'startsecond' = start of second page
'endsecond' = end of second page
vert: 'top' = top of display
'middle' = middle of display
'bottom' = bottom of display
What is considered "start" and "end" depends on whether we are
using manga mode or not.
Return True if call resulted in new adjustment values.
"""
old_hadjust = self._hadjust.get_value()
old_vadjust = self._vadjust.get_value()
new_vadjust = old_vadjust
new_hadjust = old_hadjust
visible_width, visible_height = self.get_visible_area_size()
vadjust_upper = self._vadjust.upper - visible_height
hadjust_upper = self._hadjust.upper - visible_width
if vert == 'top':
new_vadjust = 0
elif vert == 'middle':
new_vadjust = vadjust_upper / 2
elif vert == 'bottom':
new_vadjust = vadjust_upper
if not self.displayed_double():
horiz = {'startsecond': 'endfirst',
'endsecond': 'endfirst'}.get(horiz, horiz)
# Manga transformations.
if self.is_manga_mode and self.displayed_double() and horiz is not None:
horiz = {'left': 'left',
'middle': 'middle',
'right': 'right',
'startfirst': 'endsecond',
'endfirst': 'startsecond',
'startsecond': 'endfirst',
'endsecond': 'startfirst'}[horiz]
elif self.is_manga_mode and horiz is not None:
horiz = {'left': 'left',
'middle': 'middle',
'right': 'right',
'startfirst': 'endfirst',
'endfirst': 'startfirst'}[horiz]
if horiz == 'left':
new_hadjust = 0
elif horiz == 'middle':
new_hadjust = hadjust_upper / 2
elif horiz == 'right':
new_hadjust = hadjust_upper
elif horiz == 'startfirst':
new_hadjust = 0
elif horiz == 'endfirst':
if self.displayed_double():
new_hadjust = self.images[0].size_request()[0] - visible_width # XXX transitional(double page limitation)
else:
new_hadjust = hadjust_upper
elif horiz == 'startsecond':
new_hadjust = self.images[0].size_request()[0] + 2 # XXX transitional(double page limitation)
elif horiz == 'endsecond':
new_hadjust = hadjust_upper
new_hadjust = max(0, new_hadjust)
new_vadjust = max(0, new_vadjust)
new_hadjust = min(hadjust_upper, new_hadjust)
new_vadjust = min(vadjust_upper, new_vadjust)
self._vadjust.set_value(new_vadjust)
self._hadjust.set_value(new_hadjust)
return old_vadjust != new_vadjust or old_hadjust != new_hadjust
def is_on_first_page(self):
"""Return True if we are currently viewing the first page, i.e. if we
are scrolled as far to the left as possible, or if only the left page
is visible on the main layout. In manga mode it is the other way
around.
"""
if not self.displayed_double():
return True
width, height = self.get_visible_area_size()
if self.is_manga_mode:
return (self._hadjust.get_value() >= self._hadjust.upper - width or
self._hadjust.get_value() > self.images[0].size_request()[0]) # XXX transitional(double page limitation)
else:
return (self._hadjust.get_value() == 0 or
self._hadjust.get_value() + width <=
self.images[0].size_request()[0]) # XXX transitional(double page limitation)
def clear(self):
"""Clear the currently displayed data (i.e. "close" the file)."""
self.images[0].clear() # XXX transitional(double page limitation)
self.images[1].clear() # XXX transitional(double page limitation)
self.set_title(constants.APPNAME)
self.statusbar.set_message('')
self.set_bg_colour(prefs['bg colour'])
enhance_dialog.clear_histogram()
def displayed_double(self):
"""Return True if two pages are currently displayed."""
return (self.is_double_page and not self.is_virtual_double_page and
self.imagehandler.get_current_page() !=
self.imagehandler.get_number_of_pages())
def get_visible_area_size(self):
"""Return a 2-tuple with the width and height of the visible part
of the main layout area.
"""
width, height = self.get_size()
if not prefs['hide all']:
if prefs['show toolbar']:
height -= self.toolbar.size_request()[1]
if prefs['show statusbar']:
height -= self.statusbar.size_request()[1]
if prefs['show thumbnails']:
width -= self.thumbnailsidebar.get_width()
if prefs['show menubar']:
height -= self.menubar.size_request()[1]
if prefs['show scrollbar']:
if self._scroll[constants.HEIGHT_AXIS].get_visible():
width -= self._scroll[constants.HEIGHT_AXIS]\
.size_request()[constants.WIDTH_AXIS]
if self._scroll[constants.WIDTH_AXIS].get_visible():
height -= self._scroll[constants.WIDTH_AXIS]\
.size_request()[constants.HEIGHT_AXIS]
return width, height
def get_layout_pointer_position(self):
"""Return a 2-tuple with the x and y coordinates of the pointer
on the main layout area, relative to the layout.
"""
x, y = self._main_layout.get_pointer()
x += self._hadjust.get_value()
y += self._vadjust.get_value()
return (x, y)
def set_cursor(self, mode):
"""Set the cursor on the main layout area to <mode>. You should
probably use the cursor_handler instead of using this method
directly.
"""
self._main_layout.window.set_cursor(mode)
return False
def update_title(self):
"""Set the title acording to current state."""
this_screen = 2 if self.displayed_double() else 1 # XXX limited to at most 2 pages
# TODO introduce formatter to merge these string ops with the ops for status bar updates
title = '['
for i in range(this_screen):
title += '%d' % (self.imagehandler.get_current_page() + i)
if i < this_screen - 1:
title += ','
title += ' / %d] %s' % (self.imagehandler.get_number_of_pages(),
self.imagehandler.get_pretty_current_filename())
title = i18n.to_unicode(title)
if self.slideshow.is_running():
title = '[%s] %s' % (_('SLIDESHOW'), title)
self.set_title(title)
def set_bg_colour(self, colour):
"""Set the background colour to <colour>. Colour is a sequence in the
format (r, g, b). Values are 16-bit.
"""
self._main_layout.modify_bg(gtk.STATE_NORMAL,
gtk.gdk.colormap_get_system().alloc_color(gtk.gdk.Color(
colour[0], colour[1], colour[2]), False, True))
if prefs['thumbnail bg uses main colour']:
self.thumbnailsidebar.change_thumbnail_background_color(prefs['bg colour'])
def _display_active_widgets(self):
"""Hide and/or show main window widgets depending on the current
state.
"""
if not prefs['hide all']:
if prefs['show toolbar']:
self.toolbar.show_all()
else:
self.toolbar.hide_all()
if prefs['show statusbar']:
self.statusbar.show_all()
else:
self.statusbar.hide_all()
if prefs['show menubar']:
self.menubar.show_all()
else:
self.menubar.hide_all()
if prefs['show thumbnails'] and self.filehandler.file_loaded:
self.thumbnailsidebar.show()
else:
self.thumbnailsidebar.hide()
else:
self.toolbar.hide_all()
self.menubar.hide_all()
self.statusbar.hide_all()
self.thumbnailsidebar.hide()
self._scroll[constants.HEIGHT_AXIS].hide_all()
self._scroll[constants.WIDTH_AXIS].hide_all()
def extract_page(self, *args):
""" Derive some sensible filename (archive name + _ + filename should do) and offer
the user the choice to save the current page with the selected name. """
if self.filehandler.archive_type is not None:
archive_name = self.filehandler.get_pretty_current_filename()
file_name = self.imagehandler.get_path_to_page()
suggested_name = os.path.splitext(archive_name)[0] + \
u'_' + os.path.split(file_name)[-1]
else:
suggested_name = os.path.split(self.imagehandler.get_path_to_page())[-1]
save_dialog = gtk.FileChooserDialog(_('Save page as'), self,
gtk.FILE_CHOOSER_ACTION_SAVE, (gtk.STOCK_OK, gtk.RESPONSE_ACCEPT,
gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT))
save_dialog.set_current_name(suggested_name.encode('utf-8'))
if save_dialog.run() == gtk.RESPONSE_ACCEPT and save_dialog.get_filename():
shutil.copy(self.imagehandler.get_path_to_page(),
save_dialog.get_filename().decode('utf-8'))
save_dialog.destroy()
def delete(self, *args):
""" The currently opened file/archive will be deleted after showing
a confirmation dialog. """
current_file = self.imagehandler.get_real_path()
dialog = message_dialog.MessageDialog(None, gtk.DIALOG_MODAL, gtk.MESSAGE_QUESTION,
gtk.BUTTONS_NONE)
dialog.set_should_remember_choice('delete-opend-file', (gtk.RESPONSE_OK,))
dialog.set_text(
_('Delete "%s"?') % os.path.basename(current_file),
_('The file will be deleted from your harddisk.'))
dialog.add_button(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
dialog.add_button(gtk.STOCK_DELETE, gtk.RESPONSE_OK)
dialog.set_default_response(gtk.RESPONSE_OK)
result = dialog.run()
if result == gtk.RESPONSE_OK:
# Go to next page/archive, and delete current file
if self.filehandler.archive_type is not None:
self.filehandler.last_read_page.clear_page(current_file)
next_opened = self.filehandler._open_next_archive()
if not next_opened:
next_opened = self.filehandler._open_previous_archive()
if not next_opened:
self.filehandler.close_file()
if os.path.isfile(current_file):
os.unlink(current_file)
else:
if self.imagehandler.get_number_of_pages() > 1:
# Open the next/previous file
if self.imagehandler.get_current_page() >= self.imagehandler.get_number_of_pages():
self.previous_page()
else:
self.next_page()
# Unlink the desired file
if os.path.isfile(current_file):
os.unlink(current_file)
# Refresh the directory
self.filehandler.refresh_file()
else:
self.filehandler.close_file()
if os.path.isfile(current_file):
os.unlink(current_file)
def show_info_panel(self):
""" Shows an OSD displaying information about the current page. """
if not self.filehandler.file_loaded:
return
filename = self.imagehandler.get_pretty_current_filename().encode('utf-8')
page_text = '%s %s' % (_('Page'), self.statusbar.get_page_number())
if self.statusbar.get_file_number():
page_text += ' ' + self.statusbar.get_file_number()
self.osd.show(filename + "\n\n" + page_text)
def minimize(self, *args):
""" Minimizes the MComix window. """
self.iconify()
def write_config_files(self):
self.filehandler.write_fileinfo_file()
preferences.write_preferences_file()
bookmark_backend.BookmarksStore.write_bookmarks_file()
# Write keyboard accelerator map
keybindings.keybinding_manager(self).save()
def save_and_terminate_program(self, *args):
prefs['previous quit was quit and save'] = True
self.terminate_program(save_current_file=True)
def close_program(self, *args):
self.terminate_program(save_current_file=False)
def terminate_program(self, save_current_file=False):
"""Run clean-up tasks and exit the program."""
self.hide()
if gtk.main_level() > 0:
gtk.main_quit()
if prefs['auto load last file'] and self.filehandler.file_loaded:
prefs['path to last file'] = self.imagehandler.get_real_path()
prefs['page of last file'] = self.imagehandler.get_current_page()
else:
prefs['path to last file'] = ''
prefs['page of last file'] = 1
if prefs['hide all'] and self.hide_all_forced and self.fullscreen:
prefs['hide all'] = False
self.write_config_files()
self.filehandler.cleanup()
self.imagehandler.cleanup()
self.thumbnailsidebar.clear()
backend.LibraryBackend().close()
# This hack is to avoid Python issue #1856.
for thread in threading.enumerate():
if thread is not threading.currentThread():
thread.join()
#: Main window instance
__main_window = None
def main_window():
""" Returns the global main window instance. """
return __main_window
def set_main_window(window):
global __main_window
__main_window = window
# vim: expandtab:sw=4:ts=4