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TextEditor: Add a "document dirty" flag and show it in the window title

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This lets you know if the document has been modified since last save.
This commit is contained in:
Andreas Kling 2019-08-27 20:18:19 +02:00
parent fcf85d8fef
commit ecbedda34c
2 changed files with 24 additions and 2 deletions
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23
Applications/TextEditor/TextEditorWidget.cpp
View file

@ -25,6 +25,13 @@ TextEditorWidget::TextEditorWidget()
m_editor->set_automatic_indentation_enabled(true);
m_editor->set_line_wrapping_enabled(true);
m_editor->on_change = [this] {
bool was_dirty = m_document_dirty;
m_document_dirty = true;
if (!was_dirty)
update_title();
};
m_find_widget = new GWidget(this);
m_find_widget->set_fill_with_background_color(true);
m_find_widget->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
@ -131,14 +138,19 @@ TextEditorWidget::TextEditorWidget()
return;
}
m_document_dirty = false;
set_path(FileSystemPath(save_path.value()));
dbg() << "Wrote document to " << save_path.value();
});
m_save_action = GAction::create("Save", { Mod_Ctrl, Key_S }, GraphicsBitmap::load_from_file("/res/icons/16x16/save.png"), [&](const GAction&) {
if (!m_path.is_empty()) {
if (!m_editor->write_to_file(m_path))
if (!m_editor->write_to_file(m_path)) {
GMessageBox::show("Unable to save file.\n", "Error", GMessageBox::Type::Error, GMessageBox::InputType::OK, window());
} else {
m_document_dirty = false;
update_title();
}
return;
}
@ -229,9 +241,16 @@ void TextEditorWidget::set_path(const FileSystemPath& file)
m_path = file.string();
m_name = file.title();
m_extension = file.extension();
update_title();
}
void TextEditorWidget::update_title()
{
StringBuilder builder;
builder.append("Text Editor: ");
builder.append(file.string());
builder.append(m_path);
if (m_document_dirty)
builder.append(" (*)");
window()->set_title(builder.to_string());
}

3
Applications/TextEditor/TextEditorWidget.h
View file

@ -19,6 +19,7 @@ public:
private:
void set_path(const FileSystemPath& file);
void update_title();
GTextEditor* m_editor { nullptr };
String m_path;
@ -37,4 +38,6 @@ private:
GButton* m_find_previous_button { nullptr };
GButton* m_find_next_button { nullptr };
GWidget* m_find_widget { nullptr };
bool m_document_dirty { false };
};