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tdetoys/fifteenapplet/fifteenapplet.cpp

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/*****************************************************************
Copyright (c) 2001 Matthias Elter <elter@kde.org>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
******************************************************************/
#include <stdlib.h>
#include <time.h>
#include <tqlayout.h>
#include <tqpainter.h>
#include <tqpopupmenu.h>
#include <tdelocale.h>
#include <tdeglobal.h>
#include <tdemessagebox.h>
#include <tdeaboutapplication.h>
#include <kiconloader.h>
#include "fifteenapplet.h"
#include "fifteenapplet.moc"
extern "C"
{
KDE_EXPORT KPanelApplet* init(TQWidget *parent, const TQString& configFile)
{
TDEGlobal::locale()->insertCatalogue("kfifteenapplet");
return new FifteenApplet(configFile, KPanelApplet::Normal,
KPanelApplet::About, parent, "kfifteenapplet");
}
}
FifteenApplet::FifteenApplet(const TQString& configFile, Type type, int actions,
TQWidget *parent, const char *name)
: KPanelApplet(configFile, type, actions, parent, name), _aboutData(0)
{
// setup table
_table = new PiecesTable(this);
setCustomMenu(_table->popup());
// setup layout
TQHBoxLayout *_layout = new TQHBoxLayout(this);
_layout->add(_table);
srand(time(0));
}
int FifteenApplet::widthForHeight(int h) const
{
return h; // we want to be quadratic
}
int FifteenApplet::heightForWidth(int w) const
{
return w; // we want to be quadratic
}
void FifteenApplet::about()
{
if(!_aboutData) {
_aboutData = new TDEAboutData("kfifteenapplet", I18N_NOOP("KFifteenApplet"), "1.0",
I18N_NOOP("Fifteen pieces applet.\n\n"
"The goal is to put the sliding pieces into numerical order.\n"
"Select \"Randomize Pieces\" from the right mouse button menu\n"
"to start a game."),
TDEAboutData::License_BSD, "(c) 2001, Matthias Elter");
_aboutData->addAuthor("Matthias Elter", 0, "elter@kde.org");
}
TDEAboutApplication dialog(_aboutData);
dialog.setProgramLogo( TDEGlobal::instance()->iconLoader()->iconPath( "fifteenpieces", -TDEIcon::SizeLarge ) );
dialog.exec();
}
PiecesTable::PiecesTable(TQWidget* parent, const char* name )
: QtTableView(parent, name), _activeRow(-1), _activeCol(-1), _randomized(false)
{
_menu = new TQPopupMenu(this);
_menu->insertItem(i18n("R&andomize Pieces"), this, TQT_SLOT(randomizeMap()));
_menu->insertItem(i18n("&Reset Pieces"), this, TQT_SLOT(resetMap()));
_menu->adjustSize(); // setup table view
setFrameStyle(StyledPanel | Sunken);
setBackgroundMode(NoBackground);
setMouseTracking(true);
setNumRows(4);
setNumCols(4);
// init arrays
initMap();
initColors();
}
void PiecesTable::paintCell(TQPainter *p, int row, int col)
{
int w = cellWidth();
int h = cellHeight();
int x2 = w - 1;
int y2 = h - 1;
int number = _map[col + row * numCols()] + 1;
bool active = (row == _activeRow && col == _activeCol);
// draw cell background
if(number == 16)
p->setBrush(colorGroup().background());
else
p->setBrush(_colors[number-1]);
p->setPen(NoPen);
p->drawRect(0, 0, w, h);
// draw borders
if (height() > 40) {
p->setPen(colorGroup().text());
if(col < numCols()-1)
p->drawLine(x2, 0, x2, y2); // right border line
if(row < numRows()-1)
p->drawLine(0, y2, x2, y2); // bottom boder line
}
// draw number
if (number == 16) return;
if(active)
p->setPen(white);
else
p->setPen(black);
p->drawText(0, 0, x2, y2, AlignHCenter | AlignVCenter, TQString::number(number));
}
void PiecesTable::resizeEvent(TQResizeEvent *e)
{
QtTableView::resizeEvent(e);
// set font
TQFont f = font();
if (height() > 50)
f.setPixelSize(8);
else if (height() > 40)
f.setPixelSize(7);
else if (height() > 24)
f.setPixelSize(5);
else
f.setPixelSize(3);
setFont(f);
setCellWidth(contentsRect().width()/ numRows());
setCellHeight(contentsRect().height() / numCols());
}
void PiecesTable::initColors()
{
_colors.resize(numRows() * numCols());
for (int r = 0; r < numRows(); r++)
for (int c = 0; c < numCols(); c++)
_colors[c + r *numCols()] = TQColor(255 - 70 * c,255 - 70 * r, 150);
}
void PiecesTable::initMap()
{
_map.resize(16);
for (unsigned int i = 0; i < 16; i++)
_map[i] = i;
_randomized = false;
}
void PiecesTable::randomizeMap()
{
TQMemArray<int> positions;
positions.fill(0, 16);
for (unsigned int i = 0; i < 16; i++) {
while(1) {
int r = (int) (((double)rand() / RAND_MAX) * 16);
if(positions[r] == 0) {
_map[i] = r;
positions[r] = 1;
break;
}
}
}
repaint();
_randomized = true;
}
void PiecesTable::resetMap()
{
initMap();
repaint();
}
void PiecesTable::chectwin()
{
if(!_randomized) return;
int i;
for (i = 0; i < 16; i++)
if(i != _map[i])
break;
if (i == 16)
KMessageBox::information(this, i18n("Congratulations!\nYou win the game!"), i18n("Fifteen Pieces"));
}
void PiecesTable::mousePressEvent(TQMouseEvent* e)
{
QtTableView::mousePressEvent(e);
if (e->button() == Qt::RightButton) {
// execute RMB popup and check result
_menu->exec(mapToGlobal(e->pos()));
e->accept();
return;
}
else {
// GAME LOGIC
// find the free position
int pos = _map.find(15);
if(pos < 0) return;
int frow = pos / numCols();
int fcol = pos - frow * numCols();
// find click position
int row = findRow(e->y());
int col = findCol(e->x());
// sanity check
if (row < 0 || row >= numRows()) return;
if (col < 0 || col >= numCols()) return;
// valid move?
if(row != frow && col != fcol) return;
// rows match -> shift pieces
if(row == frow) {
if (col < fcol) {
for(int c = fcol; c > col; c--) {
_map[c + row * numCols()] = _map[ c-1 + row *numCols()];
updateCell(row, c, false);
}
}
else if (col > fcol) {
for(int c = fcol; c < col; c++) {
_map[c + row * numCols()] = _map[ c+1 + row *numCols()];
updateCell(row, c, false);
}
}
}
// cols match -> shift pieces
else if (col == fcol) {
if (row < frow) {
for(int r = frow; r > row; r--) {
_map[col + r * numCols()] = _map[ col + (r-1) *numCols()];
updateCell(r, col, false);
}
}
else if (row > frow) {
for(int r = frow; r < row; r++) {
_map[col + r * numCols()] = _map[ col + (r+1) *numCols()];
updateCell(r, col, false);
}
}
}
// move free cell to click position
_map[col + row * numCols()] = 15;
updateCell(row, col, false);
// check if the player wins with this move
chectwin();
}
}
void PiecesTable::mouseMoveEvent(TQMouseEvent* e)
{
QtTableView::mouseMoveEvent(e);
// highlight on mouse over
int row = findRow(e->y());
int col = findCol(e->x());
int oldrow = _activeRow;
int oldcol = _activeCol;
if(row >= numRows()
|| col >= numCols()
|| row < 0
|| col < 0) {
_activeRow = -1;
_activeCol = -1;
}
else {
_activeRow = row;
_activeCol = col;
}
updateCell(oldrow, oldcol, false);
updateCell(row, col, false);
}