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path: root/inputmethods/pickboard/pickboardcfg.cpp
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-rw-r--r--inputmethods/pickboard/pickboardcfg.cpp731
1 files changed, 731 insertions, 0 deletions
diff --git a/inputmethods/pickboard/pickboardcfg.cpp b/inputmethods/pickboard/pickboardcfg.cpp
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+++ b/inputmethods/pickboard/pickboardcfg.cpp
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+/**********************************************************************
+** 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);
+}
+