Initial revision

1 files changed, 731 insertions, 0 deletions

diff --git a/inputmethods/pickboard/pickboardcfg.cpp b/inputmethods/pickboard/pickboardcfg.cpp
new file mode 100644
index 0000000..e8b47cb
--- a/dev/null
+++ b/inputmethods/pickboard/pickboardcfg.cpp
@@ -0,0 +1,731 @@
+/**********************************************************************
+** Copyright (C) 2000 Trolltech AS.  All rights reserved.
+**
+** This file is part of Qtopia Environment.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+#include "pickboardcfg.h"
+#include "pickboardpicks.h"
+
+#include <qpe/global.h>
+
+#include <qpainter.h>
+#include <qlist.h>
+#include <qbitmap.h>
+#include <qlayout.h>
+#include <qvbox.h>
+#include <qdialog.h>
+#include <qscrollview.h>
+#include <qpopupmenu.h>
+#include <qhbuttongroup.h>
+#include <qpushbutton.h>
+#include <qmessagebox.h>
+#include <qwindowsystem_qws.h>
+
+static const char * pickboard_help =
+    "<h1>The Pickboard</h1>"
+    "<i>The smallest and fastest way to type.</i>"
+    "<p>"
+    "Enter a word by tapping letter-groups and picking the word."
+    "<br>Enter spaces with \"Space\", or other keys through \"KEY\"."
+    "<br>Use \"Shift\" to capitalize words that are not normally capitalized."
+    "<br>Press \"Shift\" twice for an all-capitals word."
+    "<br>Add custom words by picking them, then selecting \"Add...\" from the menu on the right."
+    ;
+
+const int intermatchmargin=5;
+
+
+PickboardConfig::~PickboardConfig() { }
+
+void PickboardConfig::updateRows(int from, int to)
+{
+    if ( from != to ) { // (all)
+	parent->update();
+    } else {
+	QFontMetrics fm = parent->fontMetrics();
+	parent->update(QRect(0,1+fm.descent() + from * fm.lineSpacing(), parent->width(),
+	    fm.lineSpacing()));
+    }
+}
+
+void PickboardConfig::updateItem(int r, int)
+{
+    updateRows(r,r);
+}
+
+void PickboardConfig::changeMode(int m)
+{
+    parent->setMode(m);
+}
+void PickboardConfig::generateText(const QString& s)
+{
+#if defined(Q_WS_QWS) || defined(_WS_QWS_)
+    for (int i=0; i<(int)s.length(); i++) {
+	parent->emitKey(s[i].unicode(), 0, 0, true, false);
+	parent->emitKey(s[i].unicode(), 0, 0, false, false);
+    }
+#endif   
+}
+void PickboardConfig::generateKey( int k )
+{
+#if defined(Q_WS_QWS) || defined(_WS_QWS_)
+    parent->emitKey(0, k, 0, true, false);
+    parent->emitKey(0, k, 0, false, false);
+#endif
+}
+
+void PickboardConfig::pickPoint(const QPoint& p, bool press)
+{
+    if ( press ) {
+	int ls=parent->height()/nrows;
+	int y=0;
+	pressx = -1;
+	for (int r=0; r<nrows; r++) {
+	    if ( p.y() >= y && p.y() < y+ls ) {
+		pressrow = r;
+		pressx = p.x();
+		pickInRow( pressrow, pressx, TRUE );
+		return;
+	    }
+	    y += ls;
+	}
+    } else if ( pressx >= 0 ) {
+	pickInRow( pressrow, pressx, FALSE );
+	pressx = -1;
+    }
+}
+
+void PickboardConfig::fillMenu(QPopupMenu& menu)
+{
+    menu.insertItem("Reset",100);
+    menu.insertSeparator();
+    menu.insertItem("Help",1);
+}
+
+void PickboardConfig::doMenu(int i)
+{
+    switch (i) {
+	case 100:
+	    if ( parent->currentMode() ) {
+		changeMode(0);
+		updateRows(0,1);
+	    }
+	    break;
+	case 1: {
+	    QMessageBox help("Pickboard Help", pickboard_help,
+		QMessageBox::NoIcon, 1, 0, 0);
+	    help.showMaximized();
+	    help.exec();
+	}
+    }
+}
+
+void StringConfig::draw(QPainter* p)
+{
+    QFontMetrics fm = p->fontMetrics();
+
+    for (int r=0; r<nrows; r++) {
+	p->translate(0,fm.lineSpacing());
+	p->setPen(rowColor(r));
+
+	int tw=0;
+	QString s;
+	int i=0;
+	for (; !(s=text(r,i)).isNull(); ++i) {
+	    int w = fm.width(s);
+	    tw += w;
+	}
+	bool spread = spreadRow(r);// && parent->width() > tw;
+	int xw = spread ? (parent->width()-tw)/(i-1) : 3;
+	int x = spread ? (parent->width()-tw-xw*(i-1))/2 : 2;
+
+	i=0;
+	for (; !(s=text(r,i)).isNull(); ++i) {
+	    int w = fm.width(s)+xw;
+	    if ( highlight(r,i) ) {
+		p->fillRect(x-xw/2,1+fm.descent()-fm.lineSpacing(),w,fm.lineSpacing(),Qt::black);
+		p->setPen(Qt::white);
+	    }else{
+		p->setPen(Qt::black);
+	    }
+	    p->drawText(x,-fm.descent()-1,s);
+	    x += w;
+	}
+    }
+}
+
+void StringConfig::pickInRow(int r, int xpos, bool press)
+{
+    QFontMetrics fm = parent->fontMetrics();
+
+    int tw=0;
+    QString s;
+    int i=0;
+    for (; !(s=text(r,i)).isNull(); ++i) {
+	int w = fm.width(s);
+	tw += w;
+    }
+    bool spread = spreadRow(r) && parent->width() > tw;
+    int xw = spread ? (parent->width()-tw)/(i-1) : 3;
+    int x = spread ? (parent->width()-tw-xw*(i-1))/2 : 2;
+
+    i=0;
+    for (; !(s=text(r,i)).isNull(); ++i) {
+	int x2 = x + fm.width(s)+xw;
+	if ( xpos >= x && xpos < x2 ) {
+	    pick(press, r, i);
+	    return;
+	}
+	x = x2;
+    }
+}
+
+void StringConfig::updateItem(int r, int item)
+{
+    QFontMetrics fm = parent->fontMetrics();
+
+    int y = r * fm.lineSpacing();
+
+    int tw=0;
+    QString s;
+    int i=0;
+    for (; !(s=text(r,i)).isNull(); ++i) {
+	int w = fm.width(s);
+	tw += w;
+    }
+    bool spread = spreadRow(r) && parent->width() > tw;
+    int xw = spread ? (parent->width()-tw)/(i-1) : 3;
+    int x = spread ? (parent->width()-tw-xw*(i-1))/2 : 2;
+
+    i=0;
+    for (; !(s=text(r,i)).isNull(); ++i) {
+	int w = fm.width(s)+xw;
+	if ( i == item ) {
+	    parent->update(QRect(x-xw/2,y+1+fm.descent(),w,fm.lineSpacing()));
+	    return;
+	}
+	x += w;
+    }
+}
+
+bool StringConfig::highlight(int,int) const
+{
+    return FALSE;
+}
+
+LetterButton::LetterButton(const QChar& letter, QWidget* parent) :
+	QPushButton(letter,parent)
+{
+    setToggleButton(TRUE);
+    setAutoDefault(FALSE);
+    connect(this,SIGNAL(clicked()),this,SLOT(toggleCase()));
+    skip=TRUE;
+}
+
+void LetterButton::toggleCase()
+{
+    if ( skip ) {
+	// Don't toggle case the first time
+	skip=FALSE;
+	return;
+    }
+
+    QChar ch = text()[0];
+    QChar nch = ch.lower();
+    if ( ch == nch )
+	nch = ch.upper();
+    setText(nch);
+}
+
+LetterChoice::LetterChoice(QWidget* parent, const QString& set) :
+    QButtonGroup(parent)
+{
+    QHBoxLayout *l = new QHBoxLayout(this);
+    setFrameStyle(0);
+    setExclusive(TRUE);
+    for (int i=0; i<(int)set.length(); i++) {
+	LetterButton* b = new LetterButton(set[i],this);
+	l->addWidget(b,1,AlignCenter);
+	connect(b,SIGNAL(clicked()),this,SLOT(change()));
+    }
+}
+
+void LetterChoice::change()
+{
+    LetterButton* b = (LetterButton*)sender();
+    ch = b->text()[0];
+    emit changed();
+}
+
+
+PickboardAdd::PickboardAdd(QWidget* owner, const QStringList& setlist) :
+    QDialog( owner, 0, TRUE )
+{
+    QVBoxLayout* l = new QVBoxLayout(this);
+    l->setAutoAdd(TRUE);
+
+    QScrollView *sv = new QScrollView(this);
+    sv->setResizePolicy(QScrollView::AutoOneFit);
+    setMaximumHeight(200); // ### QDialog shouldn't allow us to be bigger than the screen
+    QVBox *letters = new QVBox(sv);
+    letters->setSpacing(0);
+    lc = new LetterChoice*[setlist.count()];
+    nlc = (int)setlist.count();
+    for (int i=0; i<nlc; i++) {
+	lc[i] = new LetterChoice(letters,setlist[i]);
+	connect(lc[i],SIGNAL(changed()),this,SLOT(checkAllDone()));
+    }
+    sv->addChild(letters);
+    QHBox* hb = new QHBox(this);
+    hb->setSpacing(0);
+    yes = new QPushButton("OK",hb);
+    yes->setEnabled(FALSE);
+    QPushButton *no = new QPushButton("Cancel",hb);
+    connect(yes, SIGNAL(clicked()), this, SLOT(accept()));
+    connect(no, SIGNAL(clicked()), this, SLOT(reject()));
+}
+
+PickboardAdd::~PickboardAdd()
+{
+    delete [] lc;
+}
+
+QString PickboardAdd::word() const
+{
+    QString str;
+    for (int i=0; i<nlc; i++) {
+	str += lc[i]->choice();
+    }
+    return str;
+}
+
+bool PickboardAdd::exec()
+{
+    QPoint pos = parentWidget()->mapToGlobal(QPoint(0,0));
+    pos.ry() -= height();
+    if ( QDialog::exec() ) {
+	Global::addWords(QStringList(word()));
+	return TRUE;
+    } else {
+	return FALSE;
+    }
+}
+
+void PickboardAdd::checkAllDone()
+{
+    if ( !yes->isEnabled() ) {
+	for (int i=0; i<nlc; i++) {
+	    if ( lc[i]->choice().isNull() )
+		return;
+	}
+	yes->setEnabled(TRUE);
+    }
+}
+
+
+void DictFilterConfig::doMenu(int i)
+{
+    switch (i) {
+      case 300:
+	if ( input.count() == 0 ) {
+	    QMessageBox::information(0, "Adding Words",
+		"To add words, pick the letters,\nthen "
+		"open the Add dialog. In that\ndialog, tap "
+		"the correct letters\nfrom the list "
+		"(tap twice for\ncapitals).");
+	} else {
+	    PickboardAdd add(parent,capitalize(input));
+	    if ( add.exec() )
+		generateText(add.word());
+	    input.clear();
+	    matches.clear();
+	    updateRows(0,0);
+	}
+	break;
+      case 100:
+	if ( !input.isEmpty() ) {
+	    input.clear();
+	    matches.clear();
+	    StringConfig::doMenu(i);
+	    updateRows(0,1);
+	    break;
+	} // else fall through
+      default:
+	StringConfig::doMenu(i);
+    }
+    shift = 0;
+    lit0 = -1;
+}
+
+QString DictFilterConfig::text(int r, int i)
+{
+    QStringList l = r ? sets : input.isEmpty() ? othermodes : matches;
+    return i < (int)l.count() ?
+	(input.isEmpty() ? l[i] : capitalize(l[i]))
+	: QString::null;
+}
+
+bool DictFilterConfig::spreadRow(int r)
+{
+    return r ? TRUE : input.isEmpty() ? TRUE : FALSE;
+}
+
+QStringList DictFilterConfig::capitalize(const QStringList& l)
+{
+    switch ( shift ) {
+      case 1: {
+	QStringList r;
+	QStringList::ConstIterator it = l.begin();
+	r.append((*it).upper());
+	for (++it; it != l.end(); ++it)
+	    r.append(*it);
+	return r;
+      } case 2: {
+	QStringList r;
+	for (QStringList::ConstIterator it = l.begin(); it != l.end(); ++it)
+	    r.append((*it).upper());
+	return r;
+      }
+    }
+    return l;
+}
+
+QString DictFilterConfig::capitalize(const QString& s)
+{
+    switch ( shift ) {
+	case 1: {
+	    QString u = s;
+	    u[0] = u[0].upper();
+	    return u;
+	    break;
+	} case 2:
+	    return s.upper();
+	    break;
+    }
+    return s;
+}
+
+void DictFilterConfig::pick(bool press, int row, int item)
+{
+    if ( row == 0 ) {
+	if ( press ) {
+	    if ( input.isEmpty() ) {
+		lit0 = item;
+		if ( othermodes[item] == "Space" ) {
+		    updateItem(row,item);
+		    generateText(" ");
+		} else if ( othermodes[item] == "Back" ) {
+		    updateItem(row,item);
+		    generateKey(Qt::Key_Backspace);
+		} else if ( othermodes[item] == "Enter" ) {
+		    updateItem(row,item);
+		    generateKey(Qt::Key_Return);
+		} else if ( othermodes[item] == "Shift" ) {
+		    updateItem(row,item);
+		    shift = (shift+1)%3;
+		}
+	    }
+	} else {
+	    if ( !input.isEmpty() ) {
+		input.clear();
+		if ( item>=0 ) {
+		    generateText(capitalize(matches[item]));
+		}
+		shift = 0;
+		matches.clear();
+		updateRows(0,0);
+	    } else if ( item < 3 ) {
+		lit0 = -1;
+		changeMode(item+1); // I'm mode 0! ####
+		updateRows(0,1);
+	    }
+	    if ( lit0 >= 0 ) {
+		if ( !shift || othermodes[lit0] != "Shift" ) {
+		    updateItem(0,lit0); 
+		    lit0 = -1;
+		}
+	    }
+	}
+    } else {
+	lit0 = -1;
+	if ( press && item >= 0 ) {
+	    lit1 = item;
+	    add(sets[item]);
+	    updateItem(1,item); 
+	    updateRows(0,0);
+	} else {
+	    updateItem(1,lit1); 
+	    lit1 = -1;
+	}
+    }
+}
+
+bool DictFilterConfig::scanMatch(const QString& set, const QChar& l) const
+{
+    return set == "?" || set == "*" || set.contains(l);
+}
+
+//static int visit=0;
+//static int lvisit=0;
+
+void DictFilterConfig::scan(const QDawg::Node* n, int ipos, const QString& str, int length, bool extend)
+{
+    if ( n ) {
+	do {
+//visit++;
+	    bool pastend = ipos >= (int)input.count();
+	    if ( pastend && extend || !pastend && scanMatch(input[ipos],n->letter().lower()) ) {
+		if ( length>1 ) {
+		    if ( !pastend && input[ipos] == "*" ) {
+			scan(n->jump(),ipos+1,str+n->letter(),length-1,FALSE);
+			scan(n->jump(),ipos,str+n->letter(),length,FALSE);
+		    } else {
+			scan(n->jump(),ipos+1,str+n->letter(),length-1,extend);
+		    }
+		} else {
+		    if ( n->isWord() ) {
+			matches.append(str+n->letter());
+		    }
+		}
+	    }
+	    n = n->next();
+	} while (n);
+    }
+}
+
+void DictFilterConfig::scanLengths(const QDawg::Node* n, int ipos, int& length_bitarray)
+{
+    if ( n ) {
+	do {
+//lvisit++;
+	    bool pastend = ipos >= (int)input.count();
+	    if ( pastend || scanMatch(input[ipos],n->letter().lower()) ) {
+		scanLengths(n->jump(),ipos+1,length_bitarray);
+		if ( n->isWord() )
+		    length_bitarray |= (1<<(ipos+1));
+	    }
+	    n = n->next();
+	} while (n);
+    }
+}
+
+void DictFilterConfig::add(const QString& set)
+{
+    QFontMetrics fm = parent->fontMetrics();
+    input.append(set.lower());
+    matches.clear();
+//visit=0;
+//lvisit=0;
+    int length_bitarray = 0;
+    if ( input.count() > 4 ) {
+	scanLengths(Global::addedDawg().root(),0,length_bitarray);
+	scanLengths(Global::fixedDawg().root(),0,length_bitarray);
+    } else {
+	length_bitarray = 0xffffffff;
+    }
+    for (int len=input.count(); len<22 /* 32 */; ++len) {
+	if ( length_bitarray & (1<<len) ) {
+	    scan(Global::addedDawg().root(),0,"",len,TRUE);
+	    scan(Global::fixedDawg().root(),0,"",len,TRUE);
+	    int x = 2;
+	    for (QStringList::Iterator it=matches.begin(); it!=matches.end(); ++it) {
+		x += fm.width(*it)+intermatchmargin;
+		if ( x >= parent->width() ) {
+//qDebug("%d+%d visits",lvisit,visit);
+		    return; // RETURN - No point finding more
+		}
+	    }
+	}
+	if ( len == 1 && input.count() == 1 ) {
+	    // Allow all single-characters to show as "matches"
+	    for ( int i=0; i<(int)set.length(); i++ ) {
+		QChar ch = set[i].lower();
+		matches.append(ch);
+	    }
+	}
+    }
+//qDebug("%d+%d visits",lvisit,visit);
+}
+
+bool DictFilterConfig::highlight(int r,int c) const
+{
+    return r == 0 ? c == lit0 : c == lit1;
+}
+
+
+void DictFilterConfig::addSet(const QString& s)
+{
+    sets.append(s);
+}
+
+void DictFilterConfig::addMode(const QString& s)
+{
+    othermodes.append(s);
+}
+
+void DictFilterConfig::fillMenu(QPopupMenu& menu)
+{
+    menu.insertItem("Add...",300);
+    StringConfig::fillMenu(menu);
+}
+
+QValueList<QPixmap> KeycodeConfig::row(int i)
+{
+    return i ? keypm2 : keypm1;
+}
+
+void KeycodeConfig::pickInRow(int r, int xpos, bool press)
+{
+    QValueList<QPixmap> pl = row(r);
+    QValueList<QPixmap>::Iterator it;
+    int item=0;
+    int x=xmarg;
+    for (it=pl.begin(); it!=pl.end(); ++it) {
+	int x2 = x + (*it).width();
+	if ( (*it).height() > 1 )
+	    x2 += xw;
+	if ( xpos >= x && xpos < x2 ) {
+	    pick(press, r, item);
+	    return;
+	}
+	x = x2;
+	item++;
+    }
+}
+
+void KeycodeConfig::pick(bool press, int row, int item)
+{
+    if ( !press ) {
+	if ( item >= 0 ) {
+	    int k = row == 0 ? keys1[item] : keys2[item];
+	    if ( k )
+		generateKey(k);
+	}
+	changeMode(0);
+	updateRows(0,1);
+    }
+}
+
+void KeycodeConfig::draw(QPainter* p)
+{
+    int y=3;
+    QValueList<QPixmap>::Iterator it;
+    for (int r=0; r<nrows; r++) {
+	QValueList<QPixmap> pl = row(r);
+	int x = xmarg;
+	for (it=pl.begin(); it!=pl.end(); ++it) {
+	    if ( (*it).height() == 1 ) {
+		// just a gap
+		x += (*it).width();
+	    } else {
+		p->drawPixmap(x,y,*it);
+		x += (*it).width()+xw;
+	    }
+	}
+	y += parent->height()/nrows;
+    }
+}
+
+
+void KeycodeConfig::addKey(int r, const QPixmap& pm, int code)
+{
+    if ( r == 0 ) {
+	keypm1.append(pm);
+	keys1.append(code);
+    } else {
+	keypm2.append(pm);
+	keys2.append(code);
+    }
+}
+void KeycodeConfig::addGap(int r, int w)
+{
+    QBitmap pm(w,1); // ick.
+    addKey(r,pm,0);
+}
+
+QString CharConfig::text(int r, int i)
+{
+    QStringList l = r ? chars2 : chars1;
+    return i < (int)l.count() ? l[i] : QString::null;
+}
+bool CharConfig::spreadRow(int)
+{
+    return TRUE;
+}
+
+void CharConfig::pick(bool press, int row, int item)
+{
+    if ( !press ) {
+	if ( item >= 0 ) {
+	    generateText(row == 0 ? chars1[item] : chars2[item]);
+	}
+	changeMode(0);
+	updateRows(0,1);
+    }
+}
+
+void CharConfig::addChar(int r, const QString& s)
+{
+    if ( r ) chars2.append(s); else chars1.append(s);
+}
+
+QString CharStringConfig::text(int r, int i)
+{
+    QStringList l = r ? chars : QStringList(input);
+    return i < (int)l.count() ? l[i] : QString::null;
+}
+
+bool CharStringConfig::spreadRow(int i)
+{
+    return i ? TRUE : FALSE;
+}
+
+void CharStringConfig::pick(bool press, int row, int item)
+{
+    if ( row == 0 ) {
+	if ( !press ) {
+	    if ( item>=0 ) {
+		generateText(input);
+	    }
+	    input = "";
+	    changeMode(0);
+	    updateRows(0,1);
+	}
+    } else {
+	if ( press && item >= 0 ) {
+	    input.append(chars[item]);
+	    updateRows(0,0);
+	}
+    }
+}
+
+void CharStringConfig::addChar(const QString& s)
+{
+    chars.append(s);
+}
+
+void CharStringConfig::doMenu(int i)
+{
+    if ( i == 100 ) {
+	input = "";
+	updateRows(0,0);
+    }
+
+    StringConfig::doMenu(i);
+}
+