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Solitaire: Highlight cards beneath dragged cards that are valid targets

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If the card beneath the card currently being dragged is a valid drop
target, we will highlight it to indicate this to the user.
This commit is contained in:
Timothy Flynn 2023-01-04 18:44:22 -05:00 • committed by Sam Atkins
parent 2a09807f2e
commit a2277655c0
2 changed files with 26 additions and 0 deletions
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23
Userland/Games/Solitaire/Game.cpp
View file

@ -272,6 +272,7 @@ void Game::mousedown_event(GUI::MouseEvent& event)
void Game::mouseup_event(GUI::MouseEvent& event)
{
GUI::Frame::mouseup_event(event);
clear_hovered_card();
if (!is_moving_cards() || m_game_over_animation || m_new_game_animation)
return;
@ -312,6 +313,18 @@ void Game::mousemove_event(GUI::MouseEvent& event)
int dx = click_location.dx_relative_to(m_mouse_down_location);
int dy = click_location.dy_relative_to(m_mouse_down_location);
if (auto target_stack = find_stack_to_drop_on(Cards::CardStack::MovementRule::Alternating); target_stack && !target_stack->is_empty()) {
if (auto& top_card = target_stack->peek(); top_card != m_hovered_card) {
clear_hovered_card();
m_hovered_card = top_card;
m_hovered_card->set_highlighted(true);
update(m_hovered_card->rect());
}
} else {
clear_hovered_card();
}
for (auto& to_intersect : moving_cards()) {
mark_intersecting_stacks_dirty(to_intersect);
to_intersect.rect().translate_by(dx, dy);
@ -619,4 +632,14 @@ void Game::perform_undo()
invalidate_layout();
}
void Game::clear_hovered_card()
{
if (!m_hovered_card)
return;
m_hovered_card->set_highlighted(false);
update(m_hovered_card->rect());
m_hovered_card = nullptr;
}
}

3
Userland/Games/Solitaire/Game.h
View file

@ -174,6 +174,7 @@ private:
void create_new_animation_card();
void set_background_fill_enabled(bool);
void check_for_game_over();
void clear_hovered_card();
virtual void paint_event(GUI::PaintEvent&) override;
virtual void mousedown_event(GUI::MouseEvent&) override;
@ -203,6 +204,8 @@ private:
uint8_t m_passes_left_before_punishment { 0 };
bool m_auto_collect { false };
RefPtr<Card> m_hovered_card;
};
}