Diffstat (limited to 'inputmethods/pickboard/pickboardcfg.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | inputmethods/pickboard/pickboardcfg.cpp | 731 |
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); +} + |