diff options
| -rw-r--r-- | ranger/core/actions.py | 57 |
1 files changed, 41 insertions, 16 deletions
diff --git a/ranger/core/actions.py b/ranger/core/actions.py index 5a1ea258..b5a763f8 100644 --- a/ranger/core/actions.py +++ b/ranger/core/actions.py @@ -1244,31 +1244,56 @@ class Actions( # pylint: disable=too-many-instance-attributes,too-many-public-m self.signal_emit('tab.layoutchange') return None - def tab_shift(self, offset): + def tab_shift(self, offset=0, pos=None): """Shift the tab left/right - Shift the current tab to the left or right + Shift the current tab to the left or right by either: + offset - changes the tab number by offset + pos - shifts the tab to the specified tab number """ - assert isinstance(offset, int) - tablist = self.get_tab_list() + oldtab_index = self.current_tab - old_index = tablist.index(oldtab_index) - new_index = (old_index + offset) - if new_index < 0: - return None - if new_index > (len(tablist)-1): - return None - newtab_index = tablist[new_index] + if pos is None: + assert isinstance(offset, int) + # enumerated index (1 to 9) + newtab_index = oldtab_index + offset + if newtab_index < 1: + newtab_index = 1 + if newtab_index > 9: + newtab_index = 9 + else: + assert isinstance(pos, int) + if pos < 1 or pos > 9: + return None + newtab_index = pos + # shift tabs without enumerating, preserve tab numbers when can if newtab_index != oldtab_index: + # the other tabs shift in the opposite direction + if (newtab_index - oldtab_index) > 0: + direction = -1 + else: + direction = 1 + + def tabshiftreorder(source_index): + # shift the tabs to make source_index empty + if source_index in self.tabs: + target_index = source_index + direction + # make the target_index empty recursively + tabshiftreorder(target_index) + # shift the source to target + source_tab = self.tabs[source_index] + self.tabs[target_index] = source_tab + del self.tabs[source_index] + + # first remove the current tab from the dict oldtab = self.tabs[oldtab_index] - newtab = self.tabs[newtab_index] - self.tabs[oldtab_index] = newtab + del self.tabs[oldtab_index] + # make newtab_index empty by shifting + tabshiftreorder(newtab_index) self.tabs[newtab_index] = oldtab self.current_tab = newtab_index self.thistab = oldtab - self.change_mode('normal') - self.signal_emit('tab.change', old=oldtab, new=newtab) - self.signal_emit('tab.change', old=newtab, new=oldtab) + self.ui.titlebar.request_redraw() self.signal_emit('tab.layoutchange') return None |