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Preserve the old selection when an automation script doesn't return a new one

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This commit is contained in:
Thomas Goyne 2014-03-31 08:04:57 -07:00
parent 3bbbc56053
commit fcd0df2e96
1 changed files with 54 additions and 19 deletions
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73
src/auto4_lua.cpp
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@ -831,26 +831,25 @@ namespace Automation4 {
LuaScript::GetScriptObject(L)->UnregisterCommand(this);
}
static int transform_selection(lua_State *L, const agi::Context *c)
static std::vector<int> selected_rows(const agi::Context *c)
{
auto const& sel = c->selectionController->GetSelectedSet();
AssDialogue *active_line = c->selectionController->GetActiveLine();
int offset = c->ass->Info.size() + c->ass->Styles.size();
std::vector<int> rows;
rows.reserve(sel.size());
for (auto line : sel)
rows.push_back(line->Row + offset + 1);
sort(begin(rows), end(rows));
return rows;
}
static void transform_selection(lua_State *L, std::vector<int> rows)
{
lua_newtable(L);
int active_idx = -1;
int row = c->ass->Info.size() + c->ass->Styles.size();
int idx = 1;
for (auto& line : c->ass->Events) {
++row;
if (&line == active_line) active_idx = row;
if (sel.count(&line)) {
push_value(L, row);
lua_rawseti(L, -2, idx++);
}
for (size_t i = 0; i < rows.size(); ++i) {
push_value(L, rows[i]);
lua_rawseti(L, -2, i + 1);
}
return active_idx;
}
bool LuaCommand::Validate(const agi::Context *c)
@ -861,7 +860,10 @@ namespace Automation4 {
GetFeatureFunction("validate");
auto subsobj = new LuaAssFile(L, c->ass.get());
push_value(L, transform_selection(L, c));
transform_selection(L, selected_rows(c));
if (auto active_line = c->selectionController->GetActiveLine())
push_value(L, active_line->Row + c->ass->Info.size() + c->ass->Styles.size() + 1);
int err = lua_pcall(L, 3, 2, 0);
@ -894,7 +896,15 @@ namespace Automation4 {
GetFeatureFunction("run");
auto subsobj = new LuaAssFile(L, c->ass.get(), true, true);
push_value(L, transform_selection(L, c));
int original_offset = c->ass->Info.size() + c->ass->Styles.size() + 1;
auto original_sel = selected_rows(c);
int original_active = 0;
if (auto active_line = c->selectionController->GetActiveLine())
original_active = active_line->Row + original_offset;
transform_selection(L, original_sel);
push_value(L, original_active);
try {
LuaThreadedCall(L, 3, 2, from_wx(StrDisplay(c)), c->parent, true);
@ -944,9 +954,32 @@ namespace Automation4 {
new_active = active_line;
c->selectionController->SetSelectionAndActive(std::move(sel), new_active);
}
else
else {
lua_pop(L, 1);
Selection new_sel;
AssDialogue *new_active = nullptr;
int prev = original_offset;
auto it = c->ass->Events.begin();
for (int row : original_sel) {
while (row > prev && it != c->ass->Events.end()) {
++prev;
++it;
}
if (row != prev) break;
new_sel.insert(&*it);
if (row == original_active)
new_active = &*it;
}
if (new_sel.empty() && !c->ass->Events.empty())
new_sel.insert(&c->ass->Events.front());
if (!new_sel.count(new_active))
new_active = *new_sel.begin();
c->selectionController->SetSelectionAndActive(std::move(new_sel), new_active);
}
stackcheck.check_stack(0);
}
catch (agi::UserCancelException const&) {
@ -966,7 +999,9 @@ namespace Automation4 {
GetFeatureFunction("isactive");
auto subsobj = new LuaAssFile(L, c->ass.get());
push_value(L, transform_selection(L, c));
transform_selection(L, selected_rows(c));
if (auto active_line = c->selectionController->GetActiveLine())
push_value(L, active_line->Row + c->ass->Info.size() + c->ass->Styles.size() + 1);
int err = lua_pcall(L, 3, 1, 0);
subsobj->ProcessingComplete();