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/*****************************************************************
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Copyright (c) 2001 Matthias Elter <elter@kde.org>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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******************************************************************/
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#include <math.h>
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#include <tqlayout.h>
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#include <tqpainter.h>
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#include <tqclipboard.h>
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#include <tqvbox.h>
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#include <tqspinbox.h>
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#include <tqlabel.h>
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#include <tdelocale.h>
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#include <tdeglobal.h>
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#include <tdeconfig.h>
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#include <klineedit.h>
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#include <tdeaboutapplication.h>
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#include "charselectapplet.h"
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#include "charselectapplet.moc"
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extern "C"
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{
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KDE_EXPORT KPanelApplet* init(TQWidget *parent, const TQString& configFile)
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{
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TDEGlobal::locale()->insertCatalogue("kcharselectapplet");
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return new CharSelectApplet(configFile, KPanelApplet::Normal,
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KPanelApplet::About | KPanelApplet::Preferences,
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parent, "kcharselectapplet");
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}
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}
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static int cell_width = 16;
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static int cell_height = 16;
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static int char_count = 0;
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CharSelectApplet::CharSelectApplet(const TQString& configFile, Type type, int actions,
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TQWidget *parent, const char *name)
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: KPanelApplet(configFile, type, actions, parent, name),
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_aboutData(0), _configDialog(0)
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{
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// read configuration
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TDEConfig *c = config();
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c->setGroup("General");
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cell_width = c->readNumEntry("CellWidth", cell_width);
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cell_height = c->readNumEntry("CellHeight", cell_height);
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TQString characters = c->readEntry("Characters", "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߩ<EFBFBD><EFBFBD>");
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// setup layout
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TQHBoxLayout *_layout = new TQHBoxLayout(this);
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_layout->setAutoAdd(true);
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// setup table view
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_table = new CharTable(this);
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// insert chars
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_table->setCharacters(characters);
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}
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int CharSelectApplet::widthForHeight(int height) const
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{
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// number of rows depends on panel size
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int rows = (height - (lineWidth() * 2))/ cell_height;
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if(rows <= 0) rows = 1;
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// calculate number of columns
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float c = (float) char_count / rows;
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int columns = (int) ceil(c);
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if(columns <= 0) columns = 1;
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_table->setRowsAndColumns(rows, columns);
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// tell kicker how much space we need
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return columns * cell_width + lineWidth() * 2;
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}
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int CharSelectApplet::heightForWidth(int width) const
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{
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// number of columns depends on panel size
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int columns = (width - (lineWidth() * 2))/ cell_width;
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if(columns <= 0) columns = 1;
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// calculate number of rows we need
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float r = (float) char_count / columns;
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int rows = (int) ceil(r);
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if(rows <= 0) rows = 1;
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_table->setRowsAndColumns(rows, columns);
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return rows * cell_height + lineWidth() *2;
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}
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void CharSelectApplet::preferences()
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{
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if(!_configDialog)
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_configDialog = new ConfigDialog(this);
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_configDialog->setCharacters(_table->characters());
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_configDialog->setCellWidth(cell_width);
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_configDialog->setCellHeight(cell_height);
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_configDialog->setInitialSize(TQSize(300, 100));
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_configDialog->exec();
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cell_width = _configDialog->cellWidth();
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cell_height = _configDialog->cellHeight();
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_table->setCharacters(_configDialog->characters());
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emit updateLayout();
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// write configuration
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TDEConfig *c = config();
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c->setGroup("General");
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c->writeEntry("CellWidth", cell_width);
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c->writeEntry("CellHeight", cell_height);
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c->writeEntry("Characters", _configDialog->characters());
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c->sync();
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}
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void CharSelectApplet::about()
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{
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if(!_aboutData) {
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_aboutData = new TDEAboutData("kcharselectapplet", I18N_NOOP("KCharSelectApplet"), "1.0",
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I18N_NOOP("A character picker applet.\n"
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"Used to copy single characters to the X11 clipboard.\n"
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"You can paste them to an application with the middle mouse button."),
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TDEAboutData::License_BSD, "(c) 2001, Matthias Elter");
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_aboutData->addAuthor("Matthias Elter", 0, "elter@kde.org");
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}
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TDEAboutApplication dialog(_aboutData);
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dialog.exec();
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}
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CharTable::CharTable(TQWidget* parent, const char* name)
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: TQFrame(parent, name), _rows(2), _cols(2),
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_activeRow(-1), _activeCol(-1),
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_cWidth(cell_width), _cHeight(cell_height)
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{
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setFrameStyle(TQFrame::StyledPanel | TQFrame::Sunken);
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setFocusPolicy(TQWidget::NoFocus);
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setBackgroundMode(TQWidget::NoBackground);
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}
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void CharTable::setRowsAndColumns(int r, int c)
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{
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_rows = r;
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_cols = c;
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}
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void CharTable::insertChar(TQChar c)
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{
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_map.insert(char_count++, c);
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}
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void CharTable::insertString(TQString s)
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{
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for (unsigned int i = 0; i < s.length(); i++)
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insertChar(s[i]);
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}
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void CharTable::setCharacters(const TQString& characters)
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{
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_map.clear();
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char_count = 0;
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insertString(characters);
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}
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TQString CharTable::characters()
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{
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TQString characters;
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for (int r = 0; r <_rows; r++)
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for (int c = 0; c <_cols; c++)
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characters += _map[c + r * _cols];
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return characters;
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}
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int CharTable::findRow(int y)
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{
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return y / _cHeight;
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}
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int CharTable::findCol(int x)
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{
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return x / _cWidth;
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}
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void CharTable::resizeEvent(TQResizeEvent*)
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{
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_cWidth = contentsRect().width() / _cols;
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_cHeight = contentsRect().height() / _rows;
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}
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void CharTable::paintEvent(TQPaintEvent* e)
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{
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TQPainter p(this);
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int xoffset = contentsRect().x();
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int yoffset = contentsRect().y();
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for (int r = 0; r <_rows; r++) {
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for (int c = 0; c <_cols; c++) {
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p.setViewport(xoffset + c * _cWidth, yoffset + r * _cHeight, _cWidth, _cHeight);
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p.setWindow(0, 0, _cWidth, _cHeight);
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paintCell(&p, r, c);
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}
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}
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TQFrame::paintEvent(e);
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}
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void CharTable::repaintCell(int r, int c)
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{
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TQPainter p(this);
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int xoffset = contentsRect().x();
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int yoffset = contentsRect().y();
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p.setViewport(xoffset + c * _cWidth, yoffset + r * _cHeight, _cWidth, _cHeight);
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p.setWindow(0, 0, _cWidth, _cHeight);
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paintCell(&p, r, c);
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}
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void CharTable::paintCell(TQPainter* p, int row, int col)
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{
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int w = _cWidth;
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int h = _cHeight;
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int x2 = w - 1;
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int y2 = h - 1;
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bool active = (row == _activeRow) && (col == _activeCol);
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// draw background
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if (active) {
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p->setBrush(TQBrush(colorGroup().highlight()));
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p->setPen(NoPen);
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p->drawRect(0, 0, w, h);
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p->setPen(colorGroup().highlightedText());
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}
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else {
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p->setBrush(TQBrush(colorGroup().base()));
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p->setPen(NoPen);
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p->drawRect(0, 0, w, h);
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p->setPen(colorGroup().text());
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}
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// set font
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TQFont f = font();
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f.setPixelSize(10);
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p->setFont(f);
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// draw char
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p->drawText(0, 0, x2, y2, AlignHCenter | AlignVCenter, TQString(_map[col + row * _cols]));
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}
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void CharTable::mousePressEvent(TQMouseEvent *e)
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{
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int row = findRow(e->y());
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if (row == -1) return;
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int col = findCol(e->x());
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if (col == -1) return;
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selectCell(row, col);
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}
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void CharTable::mouseMoveEvent(TQMouseEvent *e)
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{
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if(!(e->state() & (TQt::LeftButton | TQt::RightButton | TQt::MidButton))) return;
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int row = findRow(e->y());
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if (row == -1) return;
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int col = findCol(e->x());
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if (col == -1) return;
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selectCell(row, col);
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}
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void CharTable::selectCell(int row, int col)
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{
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if (row >= _rows || row < 0) return;
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if (col >= _cols || col < 0) return;
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int oldRow = _activeRow;
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int oldCol = _activeCol;
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_activeRow = row;
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_activeCol = col;
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repaintCell(oldRow, oldCol);
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repaintCell(_activeRow, _activeCol);
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TQClipboard *cb = TQApplication::clipboard();
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TQObject::disconnect( cb, TQ_SIGNAL(dataChanged()), this, TQ_SLOT(clearCell()) );
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TQString text = TQString(_map[col + row * _cols]);
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bool oldMode = cb->selectionModeEnabled();
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cb->setSelectionMode( true );
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cb->setText( text );
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cb->setSelectionMode( false );
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cb->setText( text );
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cb->setSelectionMode( oldMode );
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TQObject::connect( cb, TQ_SIGNAL(dataChanged()), this, TQ_SLOT(clearCell()) );
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}
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void CharTable::clearCell()
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{
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int oldRow = _activeRow;
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int oldCol = _activeCol;
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_activeRow = -1;
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_activeCol = -1;
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repaintCell(oldRow, oldCol);
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TQObject::disconnect( TQApplication::clipboard(), TQ_SIGNAL(dataChanged()), this, TQ_SLOT(clearCell()) );
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}
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ConfigDialog::ConfigDialog(TQWidget* parent, const char* name)
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: KDialogBase(parent, name, true, i18n("Configuration"),
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Ok | Cancel, Ok, true)
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{
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TQVBox *page = makeVBoxMainWidget();
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TQHBox *whbox = new TQHBox(page);
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TQHBox *hhbox = new TQHBox(page);
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TQHBox *chbox = new TQHBox(page);
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TQLabel *wlabel = new TQLabel(i18n("Cell width:"), whbox);
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TQLabel *hlabel = new TQLabel(i18n("Cell height:"), hhbox);
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(void) new TQLabel(i18n("Characters:"), chbox);
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_widthSpinBox = new TQSpinBox(whbox);
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_widthSpinBox->setMinValue(1);
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_heightSpinBox = new TQSpinBox(hhbox);
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_heightSpinBox->setMinValue(1);
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_characterInput = new KLineEdit(chbox);
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whbox->setSpacing(KDialog::spacingHint());
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hhbox->setSpacing(KDialog::spacingHint());
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chbox->setSpacing(KDialog::spacingHint());
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whbox->setStretchFactor(wlabel, 2);
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hhbox->setStretchFactor(hlabel, 2);
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chbox->setStretchFactor(_characterInput, 2);
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}
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