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Specialize controls help for standalone viewer

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Kovid Goyal 2019-08-26 11:08:53 +05:30
parent 8b62a6bcbb
commit 351bae75b0
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3 changed files with 39 additions and 3 deletions
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2
src/calibre/gui2/viewer/ui.py
View File

@ -2,8 +2,6 @@
# vim:fileencoding=utf-8
# License: GPL v3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
# TODO: Change the help screen for the standalone viewer
from __future__ import absolute_import, division, print_function, unicode_literals
import json

6
src/pyj/read_book/shortcuts.pyj
View File

@ -204,6 +204,12 @@ SHORTCUTS = {
'ui',
_('Search for next occurrence of selected text'),
),
'show_chrome': desc(
v"['Escape']",
'ui',
_('Show the viewer controls'),
),
}

34
src/pyj/read_book/view.pyj
View File

@ -29,7 +29,7 @@ from read_book.timers import Timers
from read_book.toc import get_current_toc_nodes, update_visible_toc_nodes
from read_book.touch import set_left_margin_handler, set_right_margin_handler
from session import get_device_uuid, get_interface_data
from utils import html_escape, is_ios, parse_url_params, username_key
from utils import html_escape, is_ios, parse_url_params, username_key, safe_set_inner_html
add_extra_css(def():
sel = '.book-side-margin'
@ -45,14 +45,44 @@ add_extra_css(def():
def show_controls_help():
container = document.getElementById('controls-help-overlay')
container.style.display = 'block'
container.style.backgroundColor = get_color('window-background')
if not show_controls_help.listener_added:
show_controls_help.listener_added = True
container.addEventListener('click', def():
document.getElementById('controls-help-overlay').style.display = 'none'
ui_operations.focus_iframe()
)
container.addEventListener('keydown', def(event):
event.preventDefault(), event.stopPropagation()
document.getElementById('controls-help-overlay').style.display = 'none'
ui_operations.focus_iframe()
, {'passive': False})
def focus():
if container.style.display is 'block':
container.lastChild.focus()
window.setTimeout(focus, 10)
if runtime.is_standalone_viewer:
container.appendChild(E.div(
style='margin: 1rem',
E.div(style='margin-top: 1rem'),
E.div(style='margin-top: 1rem'),
E.div(style='margin-top: 1rem'),
))
div = container.lastChild.firstChild
safe_set_inner_html(div, _('Welcome to the <b>calibre viewer</b>!'))
div = div.nextSibling
safe_set_inner_html(div, _('Use the <b>PageUp/PageDn</b> or <b>Arrow keys</b> to turn pages'))
div = div.nextSibling
safe_set_inner_html(div, _('Press the <b>Esc</b> key or <b>right click</b> to show the viewer controls'))
container.appendChild(E.input(style='background: transparent; border-width: 0; outline: none'))
focus()
return
def msg(txt):
return set_css(E.div(txt), padding='1ex 1em', text_align='center', margin='auto')
container.appendChild(E.div(
style=f'overflow: hidden; width: 100vw; height: 100vh; text-align: center; font-size: 1.3rem; font-weight: bold; background: {get_color("window-background")};' +
'display:flex; flex-direction: column; align-items: stretch',
@ -223,6 +253,8 @@ class View:
window.history.back()
elif data.name is 'forward':
window.history.forward()
elif data.name is 'show_chrome':
self.show_chrome()
elif data.name is 'toggle_toc':
ui_operations.toggle_toc()
elif data.name is 'toggle_bookmarks':