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E-book viewer: Make the commonly used shift+arrow key shortcuts for modifying selections using the keyboard work

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Fixes #1919072 [[Enhancement - Viewer] Change which text is selected using Shift+arrow keys](https://bugs.launchpad.net/calibre/+bug/1919072)
This commit is contained in:
Kovid Goyal 2021-03-14 19:15:22 +05:30
parent a164265c90
commit 99f86498c0
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GPG Key ID: 06BC317B515ACE7C
3 changed files with 27 additions and 1 deletions
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12
src/pyj/read_book/selection_bar.pyj
View File

@ -573,9 +573,19 @@ class SelectionBar:
self.copy_to_clipboard()
return
sc_name = shortcut_for_key_event(ev, self.view.keyboard_shortcut_map)
if ev.key is 'ArrowRight' and ev.shiftKey:
sc_name = 'extend_selection_by_word'
elif ev.key is 'ArrowLeft' and ev.shiftKey:
sc_name = 'shrink_selection_by_word'
if not sc_name:
return
forwarded = {'toggle_highlights': True, 'extend_selection_by_word': True, 'shrink_selection_by_word': True, 'edit_book': True}
forwarded = {
'toggle_highlights': True,
'edit_book': True,
'extend_selection_by_word': True, 'shrink_selection_by_word': True,
'extend_selection_by_line': True, 'shrink_selection_by_line': True,
}
if sc_name is 'show_chrome':
self.clear_selection()
elif sc_name is 'copy_to_clipboard':

12
src/pyj/read_book/shortcuts.pyj
View File

@ -326,6 +326,18 @@ def common_shortcuts(): # {{{
_('Alter the current selection backwards by a word'),
),
'extend_selection_by_line': desc(
v"['Ctrl+Shift+ArrowDown', 'Shift+ArrowDown']",
'ui',
_('Alter the current selection forward by a line'),
),
'shrink_selection_by_line': desc(
v"['Ctrl+Shift+ArrowUp', 'Shift+ArrowUp']",
'ui',
_('Alter the current selection backwards by a line'),
),
'show_chrome': desc(
v"['Escape', 'ContextMenu']",
'ui',

4
src/pyj/read_book/view.pyj
View File

@ -563,6 +563,10 @@ class View:
self.iframe_wrapper.send_message('modify_selection', direction='backward', granularity='word')
elif data.name is 'extend_selection_by_word':
self.iframe_wrapper.send_message('modify_selection', direction='forward', granularity='word')
elif data.name is 'shrink_selection_by_line':
self.iframe_wrapper.send_message('modify_selection', direction='backward', granularity='line')
elif data.name is 'extend_selection_by_line':
self.iframe_wrapper.send_message('modify_selection', direction='forward', granularity='line')
elif data.name is 'scrollspeed_increase':
self.update_scroll_speed(SCROLL_SPEED_STEP)
elif data.name is 'scrollspeed_decrease':