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freecellview.cpp
649 lines (533 loc) · 19.3 KB
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freecellview.cpp
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/***************************************************************************
freecellview.cpp - description
-------------------
begin : Don Jul 6 21:34:04 CEST 2000
copyright : (C) 2000 by Daniel Etzold
email : dan@etzi.de
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "freecellview.h"
#include "cards.h"
#include "main.h"
#include "freecell.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "qpainter.h"
#include <QMouseEvent>
#include <QDebug>
FreecellView::FreecellView(QWidget * parent, FreecellDoc * doc)
: QWidget(parent)
, svg(QString(":/cards.svg"), this)
, mouseX(-1)
, mouseY(-1)
{
char buffer[100];
int i;
setMinimumSize(800, 600);
setMaximumSize(800, 600);
parent_class = (Freecell *) parent;
game_active = false;
/** connect doc with the view*/
connect(doc, SIGNAL(documentChanged()), this, SLOT(slotDocumentChanged()));
// load background
//setBackgroundColor(QColor(0,0,0));
if (*(parent_class->opt.background_enabled))
if (background_picture.load(parent_class->opt.background_file))
*(parent_class->opt.background_enabled) = true;
else
*(parent_class->opt.background_enabled) = false;
if (!*(parent_class->opt.background_enabled))
// setBackgroundColor(*(parent_class->opt.background_color));
// load cells
empty.load(parent_class->opt.empty_file);
// load cards
for (i = 1; i <= 52; i++) {
cardpics[i - 1] = QPixmap(QString(":pictures/cards/%1.bmp").arg(i));
}
cards.clear();
card_selected = false;
renderCards();
}
FreecellView::~FreecellView()
{
}
void FreecellView::renderCards()
{
QPixmap pix = QPixmap(cardWidth, cardHeight);
QPainter p(&pix);
cardWidth = width() / 10;
cardHeight = height() / 10;
spaceWidth = width() / 8;
spaceHeight = height() / 8;
cardLeft = 4;
svg.render(&p, "BACK_RED1", QRectF(0, 0, cardWidth, cardHeight));
empty = pix;
}
void FreecellView::resizeEvent(QResizeEvent *event)
{
renderCards();
}
void FreecellView::mousePressEvent(QMouseEvent * e)
{
if (!game_active)
return;
int mx = e->x(), my = e->y();
mouseX = mx;
mouseY = my;
int y, x, n;
// get card coordiates
getCardPosition(mx, my, &x, &y);
// column ?
if (y > -1) {
n = cards.getNumCardsAtCol(x); // get number of cards
if (y < (n - 1) || y > (n - 1))
y = n - 1;
if (n == 0)
y = 0;
}
if (y > -1 && x > -1) {
selected_card.x = x;
if ((selected_card.y = cards.getNumCardsAtCol(x) - 1) >= 0) {
selected_card.where = FIELD;
card_selected = true;
}
}
//clicked on a cell
if (y == -1 && x < *(parent_class->opt.num_freecells) && x >= 0) {
selected_card.x = x;
selected_card.y = y;
selected_card.where = BOX;
if (cards.getBoxCard(x) != NO_CARD)
card_selected = true;
}
update();
}
void FreecellView::mouseMoveEvent(QMouseEvent * e)
{
mouseX = e->x();
mouseY = e->y();
update();
}
void FreecellView::mouseReleaseEvent(QMouseEvent * e)
{
mouseX = -1;
mouseY = -1;
if (!card_selected)
return;
int mx = e->x(), my = e->y();
int y, x;
// get card coordiates
getCardPosition(mx, my, &x, &y);
if (y > -1 && x > -1) {
if (selected_card.where == FIELD) {
y = cards.getNumCardsAtCol(x);
cards.moveCard(selected_card.x, selected_card.y, x, y);
} else if (selected_card.where == BOX) {
y = cards.getNumCardsAtCol(x);
cards.moveCardFromBox(selected_card.x, x, y);
}
}
//clicked on a cell
if (y == -1 && x < *(parent_class->opt.num_freecells) && x >= 0) {
if (selected_card.where == FIELD) {
cards.moveCard(selected_card.x, selected_card.y, x);
}
}
if (y == -1 && x > 3) {
if (selected_card.where == BOX) {
if (cards.moveCard(selected_card.x, x) == 0) {
rest--;
}
}
if (selected_card.where == FIELD) {
if (cards.moveCard(selected_card.x, selected_card.y, x) == 0) {
rest--;
}
}
}
if (rest > 0 && !card_selected)
checkAutoMoves();
if (rest == 0) {
game_active = false;
parent_class->slotProtocolStop();
parent_class->won();
}
if (checkTurns() == 0) {
game_active = false;
parent_class->slotProtocolStop();
parent_class->lost();
}
card_selected = false;
update();
}
bool FreecellView::event(QEvent *event)
{
#ifdef QTOPIA
if(event->type() == QEvent::WindowDeactivate)
{
lower();
}
else if(event->type() == QEvent::WindowActivate)
{
QString title = windowTitle();
setWindowTitle(QLatin1String("_allow_on_top_"));
raise();
setWindowTitle(title);
}
#endif
return QWidget::event(event);
}
void FreecellView::enterFullScreen()
{
#ifdef QTOPIA
// Show editor view in full screen
setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
setWindowState(Qt::WindowFullScreen);
raise();
#endif
}
void FreecellView::paintEvent(QPaintEvent * event)
{
int i, j;
QPainter p(this);
if (!*(parent_class->opt.background_enabled))
p.fillRect(event->rect().x(), event->rect().y(),
event->rect().width(), event->rect().height(),
QBrush(QColor(0, 128, 0)));
else
p.drawPixmap(event->rect().x(), event->rect().y(), background_picture,
event->rect().x(), event->rect().y(),
event->rect().width(), event->rect().height());
// clear cells
for (i = 0; i < 8; i++)
if (i < *(parent_class->opt.num_freecells) || i > 3)
p.drawPixmap(cardLeft + spaceWidth * i + (i / 4) * 70, 40, empty);
// draw columns
for (i = 0; i < 8; i++) {
for (j = 0; j < 15; j++) {
if (cards.getCard(i, j) == NO_CARD)
continue;
if (cardLeft + i * spaceWidth + cardWidth <= (event->rect()).left())
continue;
if (card_selected && selected_card.x == i && selected_card.y == j)
continue;
p.drawPixmap(cardLeft + i * spaceWidth, 160 + j * 25,
cardpics[cards.getCard(i, j)], 0, 0,
cardWidth - 1, CARD_HEIGHT);
}
}
// draw cells
for (i = 0; i < 8; i++) {
if (i < *(parent_class->opt.num_freecells) || i > 3) {
if (cards.getBoxCard(i) != NO_CARD) {
if (cardLeft + cardWidth * i + (i / 4) * 70 + 1 + cardWidth >
(event->rect()).left()) {
if(card_selected && i == selected_card.x && selected_card.y == -1)
continue;
p.drawPixmap(cardLeft + spaceWidth * i + (i / 4) * 70 + 1, 41,
cardpics[cards.getBoxCard(i)], 0, 0,
cardWidth - 1, CARD_HEIGHT);
}
}
}
}
if (card_selected) {
if (mouseX >= 0 && mouseY >= 0) {
int card;
if(selected_card.y == -1) {
card = cards.getBoxCard(selected_card.x);
}
else {
card = cards.getCard(selected_card.x, selected_card.y);
}
QPixmap pm = cardpics[card];
p.drawPixmap(mouseX - cardWidth / 2, mouseY - CARD_HEIGHT / 2, pm);
}
}
if (parent_class->protocol_fd != NULL) {
p.setPen(QColor(0, 255, 0));
p.drawText(5, 595, "Protocol enabled");
}
// draw.drawPixmap( event->rect().x(), event->rect().y(), pixmap,
// event->rect().x(), event->rect().y(),
// event->rect().width(), event->rect().height() );
}
void FreecellView::slotDocumentChanged()
{
//TODO update the view
}
/** */
void FreecellView::mouseDoubleClickEvent(QMouseEvent * e)
{
}
/** mx, my = mouse position
x, y = card position (0,0 ...)
if y=-1 => box selected
if x=-1 => invalid card */
void FreecellView::getCardPosition(int mx, int my, int *x, int *y)
{
*x = *y = -1;
// clicked on column ?
if (((mx > cardLeft && mx < 90) || (mx > 110 && mx < 180) ||
(mx > 200 && mx < 270) || (mx > 290 && mx < 360) ||
(mx > 380 && mx < 450) || (mx > 470 && mx < 540) ||
(mx > 560 && mx < 630) || (mx > 650 && mx < 720)) && my > 160) {
*y = (my - 160) / 25;
*x = (mx - cardLeft) / spaceWidth;
}
// clicked on cells 0..3
if (((mx > cardLeft && mx < 90) || (mx > 100 && mx < 170)
|| (mx > 180 && mx < 250) || (mx > 260 && mx < 330)) && (my > 40
&& my <
140)) {
*x = (mx - cardLeft) / spaceWidth;
*y = -1;
}
// clicked on cells 4..7
if (((mx > 430 && mx < 500) || (mx > 510 && mx < 580)
|| (mx > 590 && mx < 660) || (mx > 670 && mx < 740)) && (my > 40
&& my <
140)) {
*x = (mx - 410) / spaceWidth + 4;
*y = -1;
}
}
/** */
int FreecellView::checkTurns()
{
int i, j, n, turns = 0;
// count possible turns from cells to column
for (i = 0; i < *(parent_class->opt.num_freecells); i++)
if (cards.getBoxCard(i) != NO_CARD)
for (j = 0; j < 8; j++) {
n = cards.getNumCardsAtCol(j);
if (cards.checkMoveFromBox(i, j, n))
turns++;
}
// count possible turns from column to column
for (i = 0; i < 8; i++)
for (j = 0; j < 8; j++)
if (j != i) {
int cards_i = cards.getNumCardsAtCol(i);
int cards_j = cards.getNumCardsAtCol(j);
if (cards_i > 0)
if (cards_j == 0
&& !cards.checkMove(i, cards_i - 1, i, cards_i - 1))
turns++;
else if (cards.checkMove(i, cards_i - 1, j, cards_j)
&& !cards.checkMove(i, cards_i - 1, i,
cards_i - 1))
turns++;
}
// count possible turns from column to cells
for (i = 0; i < 8; i++)
if (cards.getNumCardsAtCol(i) > 0)
for (j = 0; j < 8; j++)
if (j < *(parent_class->opt.num_freecells) || j > 3)
if (cards.checkMoveToBox
(i, cards.getNumCardsAtCol(i) - 1, j))
turns++;
// count possible turns from cell to cell
for (i = 0; i < *(parent_class->opt.num_freecells); i++)
if (cards.getBoxCard(i) != NO_CARD)
for (j = 4; j < 8; j++)
if (cards.checkMove(i, j))
turns++;
return turns;
}
/** */
void FreecellView::drawMovingCard(int sx, int sy, int dx, int dy, QPainter * p)
{
int nx, ny, x, y;
moves++;
if (parent_class->protocol_fd != NULL) {
char l[] = { "abcdefgh12345678" };
char d[] = { 0, 0, 0 };
if (sy == -1)
d[0] = l[sx];
else
d[0] = l[sx + 8];
if (dy == -1)
d[1] = l[dx];
else
d[1] = l[dx + 8];
fprintf(parent_class->protocol_fd, "%s ", d);
if (moves % 10 == 0)
fprintf(parent_class->protocol_fd, "\n");
}
switch (sy) {
case -1: // move card from cell...
x = cardLeft + cardWidth * sx + (sx / 4) * 70;
y = 41;
// clear cell
p->drawPixmap(cardLeft + cardWidth * sx + (sx / 4) * 70, 40, empty);
switch (dy) {
case -1: // ...to cell
nx = cardLeft + cardWidth * dx + (dx / 4) * 70 + 1;
ny = 41;
moveCard(x, y, nx, ny, cardpics[cards.getBoxCard(dx)]);
break;
default: // ...to column
nx = cardLeft + dx * spaceWidth;
ny = 160 + dy * 25;
moveCard(x, y, nx, ny, cardpics[cards.getCard(dx, dy)]);
break;
}
break;
default: // move card from column...
x = cardLeft + sx * spaceWidth;
y = 160 + sy * 25;
if (!*(parent_class->opt.background_enabled))
p->fillRect(cardLeft + sx * spaceWidth, 160 + sy * 25, cardWidth - 1,
CARD_HEIGHT, QBrush(QColor(0, 128, 0)));
else
p->drawPixmap(cardLeft + sx * spaceWidth, 160 + sy * 25,
background_picture, cardLeft + sx * spaceWidth,
160 + sy * 25, cardWidth - 1, CARD_HEIGHT);
if (sy - 1 >= 0)
if (cards.getCard(sx, sy - 1) != NO_CARD)
p->drawPixmap(cardLeft + sx * spaceWidth, 160 + (sy - 1) * 25,
cardpics[cards.getCard(sx, sy - 1)], 0, 0,
cardWidth - 1, CARD_HEIGHT);
switch (dy) {
case -1: // ...to cell
nx = cardLeft + cardWidth * dx + (dx / 4) * 70 + 1;
ny = 41;
moveCard(x, y, nx, ny, cardpics[cards.getBoxCard(dx)]);
break;
default: // ...to column
nx = cardLeft + dx * spaceWidth;
ny = 160 + dy * 25;
moveCard(x, y, nx, ny, cardpics[cards.getCard(dx, dy)]);
break;
}
break;
}
}
/** */
void FreecellView::moveCard(int x1, int y1, int x2, int y2, QPixmap card)
{
QPixmap screen(cardWidth + 1, CARD_HEIGHT + 1);
int c = cardLeft; // number of steps
int ox = x1 + (x2 - x1) / c, oy = y1 + (y2 - y1) / c;
int px, py;
int i;
// save background
// bitBlt((QPaintDevice*)&screen, 0, 0, this, ox, oy, cardWidth, CARD_HEIGHT);
for (i = 1; i <= c; i++) {
px = x1 + i * (x2 - x1) / c;
py = y1 + i * (y2 - y1) / c;
// restore background
// bitBlt(this, ox, oy, (QPaintDevice*)&screen, 0, 0, cardWidth, CARD_HEIGHT);
// save background
// bitBlt((QPaintDevice*)&screen, 0, 0, this, px, py, cardWidth, CARD_HEIGHT);
// draw card on screen
// bitBlt(this, px, py, (QPaintDevice*)&card, 0, 0, cardWidth-1, CARD_HEIGHT);
ox = x1 + i * (x2 - x1) / c;
oy = y1 + i * (y2 - y1) / c;
}
}
/** */
void FreecellView::selectCard(int x, int y, QPainter * p)
{
int x1;
int y1;
if (y == -1) // cell
{
x1 = cardLeft + cardWidth * x + (x / 4) * 70 + 1;
y1 = 41;
} else // column
{
x1 = cardLeft + spaceWidth * x;
y1 = 160 + y * 25;
}
// draw red rectangle
if (y != 0 || x < *(parent_class->opt.num_freecells) || x > 3) {
p->setPen(QColor(255, 0, 0));
p->drawRect(x1, y1, cardWidth - 2, CARD_HEIGHT - 1);
p->drawRect(x1 + 1, y1 + 1, cardWidth - 4, CARD_HEIGHT - 3);
}
}
/** */
void FreecellView::checkAutoMoves()
{
int i, j, k, moves;
int c, o[4];
bool move;
do {
moves = 0;
for (i = 0; i < 8; i++)
if (cards.getNumCardsAtCol(i) > 0)
for (j = 4; j < 8; j++)
if (cards.checkMoveToBox
(i, cards.getNumCardsAtCol(i) - 1, j)) {
move = true;
c = cards.getCard(i, cards.getNumCardsAtCol(i) - 1) / 4;
for (k = 4; k < 8; k++)
if (cards.getBoxCard(k) == NO_CARD)
o[k - 4] = -1;
else
o[k - 4] = cards.getBoxCard(k) / 4;
if ((o[0] == NO_CARD || o[1] == NO_CARD
|| o[2] == NO_CARD || o[3] == NO_CARD || o[0] == 0
|| o[1] == 0 || o[2] == 0 || o[3] == 0) && (c < 12
&& c >
0))
move = false;
else if (c < 12 && c > 0) // 3..King
{
for (k = 0; k < 4; k++)
if (k != j)
if (o[k] > c + 1)
move = false;
}
if (move) // 0 = "A", 12 = "2"
{
cards.moveCard(i, cards.getNumCardsAtCol(i) - 1, j);
rest--;
moves++;
break;
}
}
for (i = 0; i < 4; i++)
if (cards.getBoxCard(i) != NO_CARD)
for (j = 4; j < 8; j++)
if (cards.checkMove(i, j)) {
move = true;
c = cards.getBoxCard(i) / 4;
for (k = 4; k < 8; k++)
if (cards.getBoxCard(k) == NO_CARD)
o[k - 4] = -1;
else
o[k - 4] = cards.getBoxCard(k) / 4;
if ((o[0] == NO_CARD || o[1] == NO_CARD
|| o[2] == NO_CARD || o[3] == NO_CARD || o[0] == 0
|| o[1] == 0 || o[2] == 0 || o[3] == 0) && (c < 12
&& c >
0))
move = false;
else if (c < 12 && c > 0) // 3..King
{
for (k = 0; k < 4; k++)
if (k != j)
if (o[k] > c + 1)
move = false;
}
if (move) // 0 = "A", 12 = "2"
{
cards.moveCard(i, j);
rest--;
moves++;
break;
}
}
} while (moves > 0);
}