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LibWeb: Add support for cursor movement and delete.

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asynts 2020-12-02 15:00:55 +01:00 • committed by Andreas Kling
parent e96faea1a2
commit 78558c9f30
Notes: sideshowbarker 2024-07-19 00:57:12 +09:00
3 changed files with 50 additions and 29 deletions
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43
Libraries/LibWeb/Page/EventHandler.cpp
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@ -348,6 +348,9 @@ bool EventHandler::handle_keydown(KeyCode key, unsigned modifiers, u32 code_poin
if (layout_root()->selection().is_valid()) {
auto range = layout_root()->selection().to_dom_range();
m_frame.document()->layout_node()->set_selection({});
m_frame.set_cursor_position(range.start());
if (key == KeyCode::Key_Backspace) {
if (range.start().node()->is_editable()) {
m_edit_event_handler->handle_delete(range);
@ -355,17 +358,54 @@ bool EventHandler::handle_keydown(KeyCode key, unsigned modifiers, u32 code_poin
}
} else {
m_edit_event_handler->handle_delete(range);
m_edit_event_handler->handle_insert(m_frame.cursor_position(), code_point);
m_frame.cursor_position().set_offset(m_frame.cursor_position().offset() + 1);
return true;
}
}
if (m_frame.cursor_position().is_valid() && m_frame.cursor_position().node()->is_editable()) {
if (key == KeyCode::Key_Backspace) {
m_edit_event_handler->handle_delete(m_frame.cursor_position());
auto position = m_frame.cursor_position();
if (position.offset() == 0)
TODO();
m_frame.cursor_position().set_offset(position.offset() - 1);
m_edit_event_handler->handle_delete({ { *position.node(), position.offset() - 1 }, position });
return true;
} else if (key == KeyCode::Key_Delete) {
auto position = m_frame.cursor_position();
if (position.offset() >= downcast<DOM::Text>(position.node())->data().length())
TODO();
m_edit_event_handler->handle_delete({ position, { *position.node(), position.offset() + 1 } });
return true;
} else if (key == KeyCode::Key_Right) {
auto position = m_frame.cursor_position();
if (position.offset() >= downcast<DOM::Text>(position.node())->data().length())
TODO();
m_frame.cursor_position().set_offset(position.offset() + 1);
return true;
} else if (key == KeyCode::Key_Left) {
auto position = m_frame.cursor_position();
if (position.offset() == 0)
TODO();
m_frame.cursor_position().set_offset(position.offset() - 1);
return true;
} else {
m_edit_event_handler->handle_insert(m_frame.cursor_position(), code_point);
m_frame.cursor_position().set_offset(m_frame.cursor_position().offset() + 1);
return true;
}
}
@ -380,5 +420,4 @@ void EventHandler::set_mouse_event_tracking_layout_node(Layout::Node* layout_nod
else
m_mouse_event_tracking_layout_node = nullptr;
}
}