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4917445e2e
We manage the checked state of these buttons manually in the code, and we don't want the user to interfere with it, which would be possible if we put them in checkable state.
504 lines
15 KiB
C++
504 lines
15 KiB
C++
#include "Field.h"
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#include <AK/HashTable.h>
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#include <AK/Queue.h>
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#include <LibCore/CConfigFile.h>
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#include <LibGUI/GButton.h>
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#include <LibGUI/GLabel.h>
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#include <LibGUI/GPainter.h>
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#include <time.h>
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#include <unistd.h>
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class SquareButton final : public GButton {
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public:
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SquareButton(GWidget* parent)
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: GButton(parent)
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{
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}
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Function<void()> on_right_click;
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Function<void()> on_middle_click;
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virtual void mousedown_event(GMouseEvent& event) override
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{
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if (event.button() == GMouseButton::Right) {
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if (on_right_click)
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on_right_click();
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}
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if (event.button() == GMouseButton::Middle) {
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if (on_middle_click)
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on_middle_click();
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}
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GButton::mousedown_event(event);
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}
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};
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class SquareLabel final : public GLabel {
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public:
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SquareLabel(Square& square, GWidget* parent)
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: GLabel(parent)
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, m_square(square)
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{
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}
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Function<void()> on_chord_click;
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virtual void mousedown_event(GMouseEvent& event) override
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{
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if (event.button() == GMouseButton::Right || event.button() == GMouseButton::Left) {
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if (event.buttons() == (GMouseButton::Right | GMouseButton::Left) ||
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m_square.field->is_single_chording()) {
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m_chord = true;
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m_square.field->set_chord_preview(m_square, true);
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}
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}
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if (event.button() == GMouseButton::Middle) {
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m_square.field->for_each_square([](auto& square) {
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if (square.is_considering) {
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square.is_considering = false;
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square.button->set_icon(nullptr);
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}
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});
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}
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GLabel::mousedown_event(event);
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}
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virtual void mousemove_event(GMouseEvent& event) override
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{
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if (m_chord) {
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if (rect().contains(event.position())) {
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m_square.field->set_chord_preview(m_square, true);
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} else {
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m_square.field->set_chord_preview(m_square, false);
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}
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}
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GLabel::mousemove_event(event);
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}
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virtual void mouseup_event(GMouseEvent& event) override
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{
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if (m_chord) {
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if (event.button() == GMouseButton::Left || event.button() == GMouseButton::Right) {
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if (rect().contains(event.position())) {
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if (on_chord_click)
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on_chord_click();
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}
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m_chord = false;
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}
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}
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m_square.field->set_chord_preview(m_square, m_chord);
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GLabel::mouseup_event(event);
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}
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Square& m_square;
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bool m_chord { false };
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};
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Field::Field(GLabel& flag_label, GLabel& time_label, GButton& face_button, GWidget* parent, Function<void(Size)> on_size_changed)
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: GFrame(parent)
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, m_face_button(face_button)
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, m_flag_label(flag_label)
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, m_time_label(time_label)
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, m_on_size_changed(move(on_size_changed))
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{
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srand(time(nullptr));
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m_timer.on_timeout = [this] {
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++m_time_elapsed;
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m_time_label.set_text(String::format("%u.%u", m_time_elapsed / 10, m_time_elapsed % 10));
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};
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m_timer.set_interval(100);
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set_frame_thickness(2);
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set_frame_shape(FrameShape::Container);
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set_frame_shadow(FrameShadow::Sunken);
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m_mine_bitmap = GraphicsBitmap::load_from_file("/res/icons/minesweeper/mine.png");
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m_flag_bitmap = GraphicsBitmap::load_from_file("/res/icons/minesweeper/flag.png");
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m_badflag_bitmap = GraphicsBitmap::load_from_file("/res/icons/minesweeper/badflag.png");
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m_consider_bitmap = GraphicsBitmap::load_from_file("/res/icons/minesweeper/consider.png");
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m_default_face_bitmap = GraphicsBitmap::load_from_file("/res/icons/minesweeper/face-default.png");
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m_good_face_bitmap = GraphicsBitmap::load_from_file("/res/icons/minesweeper/face-good.png");
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m_bad_face_bitmap = GraphicsBitmap::load_from_file("/res/icons/minesweeper/face-bad.png");
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for (int i = 0; i < 8; ++i)
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m_number_bitmap[i] = GraphicsBitmap::load_from_file(String::format("/res/icons/minesweeper/%u.png", i + 1));
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set_fill_with_background_color(true);
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set_background_color(Color::WarmGray);
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reset();
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m_face_button.on_click = [this](auto&) { reset(); };
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set_face(Face::Default);
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{
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auto config = CConfigFile::get_for_app("Minesweeper");
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bool single_chording = config->read_num_entry("Minesweeper", "SingleChording", false);
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int mine_count = config->read_num_entry("Game", "MineCount", 10);
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int rows = config->read_num_entry("Game", "Rows", 9);
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int columns = config->read_num_entry("Game", "Columns", 9);
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set_field_size(rows, columns, mine_count);
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set_single_chording(single_chording);
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}
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}
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Field::~Field()
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{
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}
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void Field::set_face(Face face)
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{
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switch (face) {
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case Face::Default:
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m_face_button.set_icon(*m_default_face_bitmap);
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break;
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case Face::Good:
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m_face_button.set_icon(*m_good_face_bitmap);
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break;
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case Face::Bad:
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m_face_button.set_icon(*m_bad_face_bitmap);
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break;
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}
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}
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template<typename Callback>
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void Square::for_each_neighbor(Callback callback)
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{
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int r = row;
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int c = column;
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if (r > 0) // Up
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callback(field->square(r - 1, c));
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if (c > 0) // Left
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callback(field->square(r, c - 1));
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if (r < (field->m_rows - 1)) // Down
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callback(field->square(r + 1, c));
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if (c < (field->m_columns - 1)) // Right
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callback(field->square(r, c + 1));
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if (r > 0 && c > 0) // UpLeft
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callback(field->square(r - 1, c - 1));
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if (r > 0 && c < (field->m_columns - 1)) // UpRight
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callback(field->square(r - 1, c + 1));
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if (r < (field->m_rows - 1) && c > 0) // DownLeft
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callback(field->square(r + 1, c - 1));
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if (r < (field->m_rows - 1) && c < (field->m_columns - 1)) // DownRight
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callback(field->square(r + 1, c + 1));
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}
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void Field::reset()
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{
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m_first_click = true;
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set_updates_enabled(false);
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m_time_elapsed = 0;
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m_time_label.set_text("0");
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m_flags_left = m_mine_count;
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m_flag_label.set_text(String::number(m_flags_left));
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m_timer.stop();
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set_greedy_for_hits(false);
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set_face(Face::Default);
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m_squares.resize(max(m_squares.size(), rows() * columns()));
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for (int i = rows() * columns(); i < m_squares.size(); ++i) {
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auto& square = m_squares[i];
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square->button->set_visible(false);
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square->label->set_visible(false);
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}
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HashTable<int> mines;
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while (mines.size() != m_mine_count) {
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int location = rand() % (rows() * columns());
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if (!mines.contains(location))
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mines.set(location);
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}
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int i = 0;
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for (int r = 0; r < rows(); ++r) {
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for (int c = 0; c < columns(); ++c) {
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if (!m_squares[i])
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m_squares[i] = make<Square>();
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Rect rect = { frame_thickness() + c * square_size(), frame_thickness() + r * square_size(), square_size(), square_size() };
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auto& square = this->square(r, c);
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square.field = this;
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square.row = r;
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square.column = c;
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square.has_mine = mines.contains(i);
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square.has_flag = false;
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square.is_considering = false;
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square.is_swept = false;
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if (!square.label) {
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square.label = new SquareLabel(square, this);
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square.label->set_background_color(Color::from_rgb(0xff4040));
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}
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square.label->set_fill_with_background_color(false);
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square.label->set_relative_rect(rect);
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square.label->set_visible(false);
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square.label->set_icon(square.has_mine ? m_mine_bitmap : nullptr);
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if (!square.button) {
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square.button = new SquareButton(this);
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square.button->on_click = [this, &square](GButton&) {
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on_square_clicked(square);
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};
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square.button->on_right_click = [this, &square] {
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on_square_right_clicked(square);
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};
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square.button->on_middle_click = [this, &square] {
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on_square_middle_clicked(square);
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};
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square.label->on_chord_click = [this, &square] {
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on_square_chorded(square);
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};
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}
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square.button->set_checked(false);
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square.button->set_icon(nullptr);
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square.button->set_relative_rect(rect);
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square.button->set_visible(true);
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++i;
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}
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}
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for (int r = 0; r < rows(); ++r) {
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for (int c = 0; c < columns(); ++c) {
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auto& square = this->square(r, c);
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int number = 0;
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square.for_each_neighbor([&number](auto& neighbor) {
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number += neighbor.has_mine;
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});
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square.number = number;
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if (square.has_mine)
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continue;
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if (square.number)
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square.label->set_icon(m_number_bitmap[square.number - 1]);
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}
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}
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m_unswept_empties = rows() * columns() - m_mine_count;
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set_updates_enabled(true);
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}
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void Field::flood_fill(Square& square)
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{
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Queue<Square*> queue;
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queue.enqueue(&square);
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while (!queue.is_empty()) {
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Square* s = queue.dequeue();
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s->for_each_neighbor([this, &queue](Square& neighbor) {
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if (!neighbor.is_swept && !neighbor.has_mine && neighbor.number == 0) {
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on_square_clicked_impl(neighbor, false);
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queue.enqueue(&neighbor);
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}
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if (!neighbor.has_mine && neighbor.number)
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on_square_clicked_impl(neighbor, false);
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});
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}
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}
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void Field::paint_event(GPaintEvent& event)
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{
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GFrame::paint_event(event);
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GPainter painter(*this);
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painter.add_clip_rect(event.rect());
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auto inner_rect = frame_inner_rect();
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painter.add_clip_rect(inner_rect);
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for (int y = inner_rect.top() - 1; y <= inner_rect.bottom(); y += square_size()) {
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Point a { inner_rect.left(), y };
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Point b { inner_rect.right(), y };
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painter.draw_line(a, b, Color::MidGray);
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}
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for (int x = frame_inner_rect().left() - 1; x <= frame_inner_rect().right(); x += square_size()) {
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Point a { x, inner_rect.top() };
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Point b { x, inner_rect.bottom() };
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painter.draw_line(a, b, Color::MidGray);
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}
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}
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void Field::on_square_clicked_impl(Square& square, bool should_flood_fill)
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{
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if (m_first_click) {
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while (square.has_mine) {
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reset();
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}
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}
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m_first_click = false;
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if (square.is_swept)
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return;
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if (square.has_flag)
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return;
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if (square.is_considering)
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return;
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if (!m_timer.is_active())
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m_timer.start();
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update();
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square.is_swept = true;
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square.button->set_visible(false);
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square.label->set_visible(true);
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if (square.has_mine) {
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square.label->set_fill_with_background_color(true);
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game_over();
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return;
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}
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--m_unswept_empties;
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if (should_flood_fill && square.number == 0)
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flood_fill(square);
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if (!m_unswept_empties)
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win();
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}
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void Field::on_square_clicked(Square& square)
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{
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on_square_clicked_impl(square, true);
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}
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void Field::on_square_chorded(Square& square)
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{
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if (!square.is_swept)
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return;
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if (!square.number)
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return;
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int adjacent_flags = 0;
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square.for_each_neighbor([&](auto& neighbor) {
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if (neighbor.has_flag)
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++adjacent_flags;
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});
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if (square.number != adjacent_flags)
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return;
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square.for_each_neighbor([&](auto& neighbor) {
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if (neighbor.has_flag)
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return;
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on_square_clicked(neighbor);
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});
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}
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void Field::on_square_right_clicked(Square& square)
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{
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if (square.is_swept)
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return;
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if (!square.has_flag && !m_flags_left)
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return;
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set_flag(square, !square.has_flag);
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}
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void Field::set_flag(Square& square, bool flag)
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{
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ASSERT(!square.is_swept);
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if (square.has_flag == flag)
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return;
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square.is_considering = false;
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if (!flag) {
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++m_flags_left;
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} else {
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ASSERT(m_flags_left);
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--m_flags_left;
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}
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square.has_flag = flag;
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m_flag_label.set_text(String::number(m_flags_left));
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square.button->set_icon(square.has_flag ? m_flag_bitmap : nullptr);
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square.button->update();
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}
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void Field::on_square_middle_clicked(Square& square)
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{
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if (square.is_swept)
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return;
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if (square.has_flag) {
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++m_flags_left;
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square.has_flag = false;
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m_flag_label.set_text(String::number(m_flags_left));
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}
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square.is_considering = !square.is_considering;
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square.button->set_icon(square.is_considering ? m_consider_bitmap : nullptr);
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square.button->update();
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}
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void Field::win()
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{
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m_timer.stop();
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set_greedy_for_hits(true);
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set_face(Face::Good);
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for_each_square([&](auto& square) {
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if (!square.has_flag && square.has_mine)
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set_flag(square, true);
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});
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reveal_mines();
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}
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void Field::game_over()
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{
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m_timer.stop();
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set_greedy_for_hits(true);
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set_face(Face::Bad);
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reveal_mines();
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}
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void Field::reveal_mines()
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{
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for (int r = 0; r < rows(); ++r) {
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for (int c = 0; c < columns(); ++c) {
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auto& square = this->square(r, c);
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if (square.has_mine && !square.has_flag) {
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square.button->set_visible(false);
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square.label->set_visible(true);
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}
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if (!square.has_mine && square.has_flag) {
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square.button->set_icon(*m_badflag_bitmap);
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square.button->set_visible(true);
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square.label->set_visible(false);
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}
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}
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}
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update();
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}
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void Field::set_chord_preview(Square& square, bool chord_preview)
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{
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if (m_chord_preview == chord_preview)
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return;
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m_chord_preview = chord_preview;
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square.for_each_neighbor([&](auto& neighbor) {
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neighbor.button->set_checked(false);
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if (!neighbor.has_flag && !neighbor.is_considering)
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neighbor.button->set_checked(chord_preview);
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});
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}
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void Field::set_field_size(int rows, int columns, int mine_count)
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{
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if (m_rows == rows && m_columns == columns && m_mine_count == mine_count)
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return;
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{
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auto config = CConfigFile::get_for_app("Minesweeper");
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config->write_num_entry("Game", "MineCount", mine_count);
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config->write_num_entry("Game", "Rows", rows);
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config->write_num_entry("Game", "Columns", columns);
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}
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m_rows = rows;
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m_columns = columns;
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m_mine_count = mine_count;
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set_preferred_size(frame_thickness() * 2 + m_columns * square_size(), frame_thickness() * 2 + m_rows * square_size());
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reset();
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m_on_size_changed(preferred_size());
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}
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void Field::set_single_chording(bool enabled) {
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auto config = CConfigFile::get_for_app("Minesweeper");
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m_single_chording = enabled;
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config->write_bool_entry("Minesweeper", "SingleChording", m_single_chording);
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}
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Square::~Square()
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{
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delete label;
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|
delete button;
|
|
}
|
|
|
|
template<typename Callback>
|
|
void Field::for_each_square(Callback callback)
|
|
{
|
|
for (int i = 0; i < rows() * columns(); ++i)
|
|
callback(*m_squares[i]);
|
|
}
|