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Do a better job of picking a new active line after deleting lines

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Set it to the first line not part of the selection after the selection
begins if there are any, and the last line remaining in the file if not
(i.e. the last line before the selection).

Closes #1595.
This commit is contained in:
Thomas Goyne 2013-04-15 17:01:36 -07:00
parent 71b14ecc74
commit 3c7527c2f7
1 changed files with 13 additions and 11 deletions
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24
aegisub/src/command/edit.cpp
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@ -470,23 +470,22 @@ static void copy_lines(agi::Context *c) {
}
static void delete_lines(agi::Context *c, wxString const& commit_message) {
AssDialogue *active = c->selectionController->GetActiveLine();
SubtitleSelection sel = c->selectionController->GetSelectedSet();
// Find a line near the active line not being deleted to make the new active line
AssDialogue *new_active = 0;
bool hit_active = false;
AssDialogue *pre_sel = nullptr;
AssDialogue *post_sel = nullptr;
bool hit_selection = false;
for (auto diag : c->ass->Line | agi::of_type<AssDialogue>()) {
if (diag == active) {
hit_active = true;
if (new_active) break;
}
if (!sel.count(diag)) {
new_active = diag;
if (hit_active) break;
if (sel.count(diag))
hit_selection = true;
else if (hit_selection && !post_sel) {
post_sel = diag;
break;
}
else
pre_sel = diag;
}
// Delete selected lines
@ -494,6 +493,9 @@ static void delete_lines(agi::Context *c, wxString const& commit_message) {
return sel.count(const_cast<AssDialogue *>(static_cast<const AssDialogue*>(&e)));
}, [](AssEntry *e) { delete e; });
AssDialogue *new_active = post_sel;
if (!new_active)
new_active = pre_sel;
// If we didn't get a new active line then we just deleted all the dialogue
// lines, so make a new one
if (!new_active) {