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EditingEngine: Split selection from movement functions

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This patch moves selection updates outside movement functions in
EditingEngine.  Previously, movement functions would automatically
update the selection based on whether the Shift key was pressed down
during movement.  However, not all EditingEngine subclasses want that;
VimEditingEngine being a good example (because all selection is handled
in visual mode).

Therefore, this patch moves all selection updating to
EditingEngine::on_key().  Subclasses wishing to provide custom movement
and selection semantics should override it (and VimEditingEngine already
does).
This commit is contained in:
sin-ack 2021-04-26 20:29:05 +00:00 • committed by Andreas Kling
parent 4e6a26cbd2
commit d6dc81874d
6 changed files with 72 additions and 68 deletions
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46
Userland/Libraries/LibGUI/VimEditingEngine.cpp
View file

@ -753,7 +753,7 @@ bool VimEditingEngine::on_key_in_insert_mode(const KeyEvent& event)
{
if (event.key() == KeyCode::Key_Escape || (event.ctrl() && event.key() == KeyCode::Key_LeftBracket) || (event.ctrl() && event.key() == KeyCode::Key_C)) {
if (m_editor->cursor().column() > 0)
move_one_left(event);
move_one_left();
switch_to_normal_mode();
return true;
}
@ -824,10 +824,10 @@ bool VimEditingEngine::on_key_in_normal_mode(const KeyEvent& event)
delete_line();
if (was_second_last_line || (m_editor->cursor().line() != 0 && m_editor->cursor().line() != m_editor->line_count() - 1)) {
move_one_up(event);
move_to_line_end(event);
move_to_line_end();
m_editor->add_code_point(0x0A);
} else if (m_editor->cursor().line() == 0) {
move_to_line_beginning(event);
move_to_line_beginning();
m_editor->add_code_point(0x0A);
move_one_up(event);
} else if (m_editor->cursor().line() == m_editor->line_count() - 1) {
@ -886,15 +886,15 @@ bool VimEditingEngine::on_key_in_normal_mode(const KeyEvent& event)
if (event.shift() && !event.ctrl() && !event.alt()) {
switch (event.key()) {
case (KeyCode::Key_A):
move_to_line_end(event);
move_to_line_end();
switch_to_insert_mode();
return true;
case (KeyCode::Key_I):
move_to_line_beginning(event);
move_to_line_beginning();
switch_to_insert_mode();
return true;
case (KeyCode::Key_O):
move_to_line_beginning(event);
move_to_line_beginning();
m_editor->add_code_point(0x0A);
move_one_up(event);
switch_to_insert_mode();
@ -915,13 +915,13 @@ bool VimEditingEngine::on_key_in_normal_mode(const KeyEvent& event)
if (event.ctrl() && !event.shift() && !event.alt()) {
switch (event.key()) {
case (KeyCode::Key_D):
move_half_page_down(event);
move_half_page_down();
return true;
case (KeyCode::Key_R):
m_editor->redo();
return true;
case (KeyCode::Key_U):
move_half_page_up(event);
move_half_page_up();
return true;
default:
break;
@ -935,7 +935,7 @@ bool VimEditingEngine::on_key_in_normal_mode(const KeyEvent& event)
if (!event.ctrl() && !event.shift() && !event.alt()) {
switch (event.key()) {
case (KeyCode::Key_A):
move_one_right(event);
move_one_right();
switch_to_insert_mode();
return true;
case (KeyCode::Key_C):
@ -948,7 +948,7 @@ bool VimEditingEngine::on_key_in_normal_mode(const KeyEvent& event)
switch_to_insert_mode();
return true;
case (KeyCode::Key_O):
move_to_line_end(event);
move_to_line_end();
m_editor->add_code_point(0x0A);
switch_to_insert_mode();
return true;
@ -966,7 +966,7 @@ bool VimEditingEngine::on_key_in_normal_mode(const KeyEvent& event)
m_previous_key = event.key();
return true;
case (KeyCode::Key_P):
put(event);
put();
return true;
default:
break;
@ -1027,11 +1027,11 @@ bool VimEditingEngine::on_key_in_visual_mode(const KeyEvent& event)
if (event.shift() && !event.ctrl() && !event.alt()) {
switch (event.key()) {
case (KeyCode::Key_A):
move_to_line_end(event);
move_to_line_end();
switch_to_insert_mode();
return true;
case (KeyCode::Key_I):
move_to_line_beginning(event);
move_to_line_beginning();
switch_to_insert_mode();
return true;
default:
@ -1043,11 +1043,11 @@ bool VimEditingEngine::on_key_in_visual_mode(const KeyEvent& event)
if (event.ctrl() && !event.shift() && !event.alt()) {
switch (event.key()) {
case (KeyCode::Key_D):
move_half_page_down(event);
move_half_page_down();
update_selection_on_cursor_move();
return true;
case (KeyCode::Key_U):
move_half_page_up(event);
move_half_page_up();
update_selection_on_cursor_move();
return true;
default:
@ -1151,14 +1151,14 @@ void VimEditingEngine::clear_visual_mode_data()
}
}
void VimEditingEngine::move_half_page_up(const KeyEvent& event)
void VimEditingEngine::move_half_page_up()
{
move_up(event, 0.5);
move_up(0.5);
};
void VimEditingEngine::move_half_page_down(const KeyEvent& event)
void VimEditingEngine::move_half_page_down()
{
move_down(event, 0.5);
move_down(0.5);
};
void VimEditingEngine::yank(YankType type)
@ -1183,10 +1183,10 @@ void VimEditingEngine::yank(TextRange range)
m_yank_buffer = m_editor->document().text_in_range(range);
}
void VimEditingEngine::put(const GUI::KeyEvent& event)
void VimEditingEngine::put()
{
if (m_yank_type == YankType::Line) {
move_to_line_end(event);
move_to_line_end();
StringBuilder sb = StringBuilder(m_yank_buffer.length() + 1);
sb.append_code_point(0x0A);
sb.append(m_yank_buffer);
@ -1195,9 +1195,9 @@ void VimEditingEngine::put(const GUI::KeyEvent& event)
} else {
// FIXME: If attempting to put on the last column a line,
// the buffer will bne placed on the next line due to the move_one_left/right behaviour.
move_one_right(event);
move_one_right();
m_editor->insert_at_cursor_or_replace_selection(m_yank_buffer);
move_one_left(event);
move_one_left();
}
}