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HackStudio: Store and restore the scrollbar values of ProjectFiles when they are closed and reopened from the list of open files.

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Zac 2020-11-03 22:27:05 +10:00 • committed by Andreas Kling
parent 39a1c9d827
commit 85d65b06ab
4 changed files with 48 additions and 9 deletions
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29
DevTools/HackStudio/HackStudioWidget.cpp
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@ -204,23 +204,34 @@ Vector<String> HackStudioWidget::selected_file_names() const
void HackStudioWidget::open_file(const String& filename)
{
auto project_file = m_project->get_file(filename);
if (!currently_open_file().is_empty()) {
// Since the file is previously open, it should always be in m_open_files.
ASSERT(m_open_files.find(currently_open_file()) != m_open_files.end());
auto previous_open_project_file = m_open_files.get(currently_open_file()).value();
if (!project_file) {
if (auto it = m_open_files.find(filename); it != m_open_files.end()) {
project_file = it->value;
} else {
project_file = ProjectFile::construct_with_name(filename);
}
// Update the scrollbar values of the previous_open_project_file and save them to m_open_files.
previous_open_project_file->vertical_scroll_value(current_editor().vertical_scrollbar().value());
previous_open_project_file->horizontal_scroll_value(current_editor().horizontal_scrollbar().value());
m_open_files.set(currently_open_file(), previous_open_project_file);
}
if (m_open_files.set(filename, *project_file) == AK::HashSetResult::InsertedNewEntry) {
RefPtr<ProjectFile> new_project_file = nullptr;
if (auto it = m_open_files.find(filename); it != m_open_files.end()) {
new_project_file = it->value;
} else {
new_project_file = m_project->get_file(filename);
if (!new_project_file) {
new_project_file = ProjectFile::construct_with_name(filename);
}
m_open_files.set(filename, *new_project_file);
m_open_files_vector.append(filename);
m_open_files_view->model()->update();
}
current_editor().set_document(const_cast<GUI::TextDocument&>(project_file->document()));
current_editor().set_document(const_cast<GUI::TextDocument&>(new_project_file->document()));
current_editor().set_mode(GUI::TextEditor::Editable);
current_editor().horizontal_scrollbar().set_value(new_project_file->horizontal_scroll_value());
current_editor().vertical_scrollbar().set_value(new_project_file->vertical_scroll_value());
if (filename.ends_with(".frm")) {
set_edit_mode(EditMode::Form);