Diffstat (limited to 'core/apps/textedit/textedit.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | core/apps/textedit/textedit.cpp | 594 |
1 files changed, 594 insertions, 0 deletions
diff --git a/core/apps/textedit/textedit.cpp b/core/apps/textedit/textedit.cpp new file mode 100644 index 0000000..867625e --- a/dev/null +++ b/core/apps/textedit/textedit.cpp @@ -0,0 +1,594 @@ +/********************************************************************** +** 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 "textedit.h" + +#include <qpe/global.h> +#include <qpe/fileselector.h> +#include <qpe/applnk.h> +#include <qpe/resource.h> +#include <qpe/config.h> +#include <qpe/qpeapplication.h> +#include <qpe/qpemenubar.h> +#include <qpe/qpetoolbar.h> +//#include <qpe/finddialog.h> + +#include <qaction.h> +#include <qcolordialog.h> +#include <qfileinfo.h> +#include <qlineedit.h> +#include <qmessagebox.h> +#include <qobjectlist.h> +#include <qpopupmenu.h> +#include <qspinbox.h> +#include <qtoolbutton.h> +#include <qwidgetstack.h> + +#include <stdlib.h> //getenv + + +#if QT_VERSION < 300 + +class QpeEditor : public QMultiLineEdit +{ + // Q_OBJECT +public: + QpeEditor( QWidget *parent, const char * name = 0 ) + : QMultiLineEdit( parent, name ) {} + + //public slots: + void find( const QString &txt, bool caseSensitive, + bool backwards ); + /* +signals: + void notFound(); + void searchWrapped(); + */ + +private: + +}; + + +void QpeEditor::find ( const QString &txt, bool caseSensitive, + bool backwards ) +{ + static bool wrap = FALSE; + int line, col; + if ( wrap ) { + if ( !backwards ) + line = col = 0; + wrap = FALSE; + // emit searchWrapped(); + } else { + getCursorPosition( &line, &col ); + } + //ignore backwards for now.... + if ( !backwards ) { + for ( ; ; ) { + if ( line >= numLines() ) { + wrap = TRUE; + //emit notFound(); + break; + } + int findCol = getString( line )->find( txt, col, caseSensitive ); + if ( findCol >= 0 ) { + setCursorPosition( line, findCol, FALSE ); + col = findCol + txt.length(); + setCursorPosition( line, col, TRUE ); + + //found = TRUE; + break; + } + line++; + col = 0; + } + + } + +} + + +#else + +#error "Must make a QpeEditor that inherits QTextEdit" + +#endif + + + + +static int u_id = 1; +static int get_unique_id() +{ + return u_id++; +} + +static const int nfontsizes = 6; +static const int fontsize[nfontsizes] = {8,10,12,14,18,24}; + +TextEdit::TextEdit( QWidget *parent, const char *name, WFlags f ) + : QMainWindow( parent, name, f ), bFromDocView( FALSE ) +{ + doc = 0; + + QString lang = getenv( "LANG" ); + + setToolBarsMovable( FALSE ); + + setIcon( Resource::loadPixmap( "TextEditor" ) ); + + QPEToolBar *bar = new QPEToolBar( this ); + bar->setHorizontalStretchable( TRUE ); + menu = bar; + + QPEMenuBar *mb = new QPEMenuBar( bar ); + QPopupMenu *file = new QPopupMenu( this ); + QPopupMenu *edit = new QPopupMenu( this ); + QPopupMenu *font = new QPopupMenu( this ); + + bar = new QPEToolBar( this ); + editBar = bar; + + QAction *a = new QAction( tr( "New" ), Resource::loadPixmap( "new" ), QString::null, 0, this, 0 ); + connect( a, SIGNAL( activated() ), this, SLOT( fileNew() ) ); + a->addTo( bar ); + a->addTo( file ); + + a = new QAction( tr( "Open" ), Resource::loadPixmap( "fileopen" ), QString::null, 0, this, 0 ); + connect( a, SIGNAL( activated() ), this, SLOT( fileOpen() ) ); + a->addTo( bar ); + a->addTo( file ); + + a = new QAction( tr( "Cut" ), Resource::loadPixmap( "cut" ), QString::null, 0, this, 0 ); + connect( a, SIGNAL( activated() ), this, SLOT( editCut() ) ); + a->addTo( editBar ); + a->addTo( edit ); + + a = new QAction( tr( "Copy" ), Resource::loadPixmap( "copy" ), QString::null, 0, this, 0 ); + connect( a, SIGNAL( activated() ), this, SLOT( editCopy() ) ); + a->addTo( editBar ); + a->addTo( edit ); + + a = new QAction( tr( "Paste" ), Resource::loadPixmap( "paste" ), QString::null, 0, this, 0 ); + connect( a, SIGNAL( activated() ), this, SLOT( editPaste() ) ); + a->addTo( editBar ); + a->addTo( edit ); + + a = new QAction( tr( "Find..." ), Resource::loadPixmap( "find" ), QString::null, 0, this, 0 ); + connect( a, SIGNAL( activated() ), this, SLOT( editFind() ) ); + edit->insertSeparator(); + a->addTo( bar ); + a->addTo( edit ); + + int defsize; + bool defb, defi, wrap; + { + Config cfg("TextEdit"); + cfg.setGroup("View"); + defsize = cfg.readNumEntry("FontSize",10); + defb = cfg.readBoolEntry("Bold",FALSE); + defi = cfg.readBoolEntry("Italic",FALSE); + wrap = cfg.readBoolEntry("Wrap",TRUE); + } + + zin = new QAction( tr("Zoom in"), QString::null, 0, this, 0 ); + connect( zin, SIGNAL( activated() ), this, SLOT( zoomIn() ) ); + zin->addTo( font ); + + zout = new QAction( tr("Zoom out"), QString::null, 0, this, 0 ); + connect( zout, SIGNAL( activated() ), this, SLOT( zoomOut() ) ); + zout->addTo( font ); + + font->insertSeparator(); + +#if 0 + QAction *ba = new QAction( tr("Bold"), QString::null, 0, this, 0 ); + connect( ba, SIGNAL( toggled(bool) ), this, SLOT( setBold(bool) ) ); + ba->setToggleAction(TRUE); + ba->addTo( font ); + + QAction *ia = new QAction( tr("Italic"), QString::null, 0, this, 0 ); + connect( ia, SIGNAL( toggled(bool) ), this, SLOT( setItalic(bool) ) ); + ia->setToggleAction(TRUE); + ia->addTo( font ); + + ba->setOn(defb); + ia->setOn(defi); + + font->insertSeparator(); +#endif + + QAction *wa = new QAction( tr("Wrap lines"), QString::null, 0, this, 0 ); + connect( wa, SIGNAL( toggled(bool) ), this, SLOT( setWordWrap(bool) ) ); + wa->setToggleAction(TRUE); + wa->addTo( font ); + + mb->insertItem( tr( "File" ), file ); + mb->insertItem( tr( "Edit" ), edit ); + mb->insertItem( tr( "View" ), font ); + + searchBar = new QPEToolBar(this); + addToolBar( searchBar, "Search", QMainWindow::Top, TRUE ); + + searchBar->setHorizontalStretchable( TRUE ); + + searchEdit = new QLineEdit( searchBar, "searchEdit" ); + searchBar->setStretchableWidget( searchEdit ); + connect( searchEdit, SIGNAL( textChanged( const QString & ) ), + this, SLOT( search() ) ); + + a = new QAction( tr( "Find Next" ), Resource::loadPixmap( "next" ), QString::null, 0, this, 0 ); + connect( a, SIGNAL( activated() ), this, SLOT( findNext() ) ); + a->addTo( searchBar ); + a->addTo( edit ); + + a = new QAction( tr( "Close Find" ), Resource::loadPixmap( "close" ), QString::null, 0, this, 0 ); + connect( a, SIGNAL( activated() ), this, SLOT( findClose() ) ); + a->addTo( searchBar ); + + searchBar->hide(); + + editorStack = new QWidgetStack( this ); + setCentralWidget( editorStack ); + + searchVisible = FALSE; + + fileSelector = new FileSelector( "text/*", editorStack, "fileselector" , + TRUE, FALSE ); + fileSelector->setCategoriesVisible(TRUE); + connect( fileSelector, SIGNAL( closeMe() ), this, SLOT( showEditTools() ) ); + connect( fileSelector, SIGNAL( newSelected( const DocLnk &) ), this, SLOT( newFile( const DocLnk & ) ) ); + connect( fileSelector, SIGNAL( fileSelected( const DocLnk &) ), this, SLOT( openFile( const DocLnk & ) ) ); + fileOpen(); + + editor = new QpeEditor( editorStack ); + editorStack->addWidget( editor, get_unique_id() ); + + resize( 200, 300 ); + + setFontSize(defsize,TRUE); + wa->setOn(wrap); +} + +TextEdit::~TextEdit() +{ + save(); + + Config cfg("TextEdit"); + cfg.setGroup("View"); + QFont f = editor->font(); + cfg.writeEntry("FontSize",f.pointSize()); + cfg.writeEntry("Bold",f.bold()); + cfg.writeEntry("Italic",f.italic()); + cfg.writeEntry("Wrap",editor->wordWrap() == QMultiLineEdit::WidgetWidth); +} + +void TextEdit::zoomIn() +{ + setFontSize(editor->font().pointSize()+1,FALSE); +} + +void TextEdit::zoomOut() +{ + setFontSize(editor->font().pointSize()-1,TRUE); +} + + +void TextEdit::setFontSize(int sz, bool round_down_not_up) +{ + int s=10; + for (int i=0; i<nfontsizes; i++) { + if ( fontsize[i] == sz ) { + s = sz; + break; + } else if ( round_down_not_up ) { + if ( fontsize[i] < sz ) + s = fontsize[i]; + } else { + if ( fontsize[i] > sz ) { + s = fontsize[i]; + break; + } + } + } + + QFont f = editor->font(); + f.setPointSize(s); + editor->setFont(f); + + zin->setEnabled(s != fontsize[nfontsizes-1]); + zout->setEnabled(s != fontsize[0]); +} + +void TextEdit::setBold(bool y) +{ + QFont f = editor->font(); + f.setBold(y); + editor->setFont(f); +} + +void TextEdit::setItalic(bool y) +{ + QFont f = editor->font(); + f.setItalic(y); + editor->setFont(f); +} + +void TextEdit::setWordWrap(bool y) +{ + editor->setWordWrap(y ? QMultiLineEdit::WidgetWidth : QMultiLineEdit::NoWrap ); +} + +void TextEdit::fileNew() +{ + save(); + newFile(DocLnk()); +} + +void TextEdit::fileOpen() +{ + if ( !save() ) { + if ( QMessageBox::critical( this, tr( "Out of space" ), + tr( "Text Editor was unable to\n" + "save your changes.\n" + "Free some space and try again.\n" + "\nContinue anyway?" ), + QMessageBox::Yes|QMessageBox::Escape, + QMessageBox::No|QMessageBox::Default ) + != QMessageBox::Yes ) + return; + else { + delete doc; + doc = 0; + } + } + menu->hide(); + editBar->hide(); + searchBar->hide(); + clearWState (WState_Reserved1 ); + editorStack->raiseWidget( fileSelector ); + fileSelector->reread(); + updateCaption(); +} + + +#if 0 +void TextEdit::slotFind() +{ + FindDialog frmFind( "Text Editor", this ); + connect( &frmFind, SIGNAL(signalFindClicked(const QString &, bool, bool, int)), + editor, SLOT(slotDoFind( const QString&,bool,bool))); + + //case sensitive, backwards, [category] + + + connect( editor, SIGNAL(notFound()), + &frmFind, SLOT(slotNotFound()) ); + connect( editor, SIGNAL(searchWrapped()), + &frmFind, SLOT(slotWrapAround()) ); + + frmFind.exec(); + + +} +#endif + +void TextEdit::fileRevert() +{ + clear(); + fileOpen(); +} + +void TextEdit::editCut() +{ +#ifndef QT_NO_CLIPBOARD + editor->cut(); +#endif +} + +void TextEdit::editCopy() +{ +#ifndef QT_NO_CLIPBOARD + editor->copy(); +#endif +} + +void TextEdit::editPaste() +{ +#ifndef QT_NO_CLIPBOARD + editor->paste(); +#endif +} + +void TextEdit::editFind() +{ + searchBar->show(); + searchVisible = TRUE; + searchEdit->setFocus(); +} + +void TextEdit::findNext() +{ + editor->find( searchEdit->text(), FALSE, FALSE ); + +} + +void TextEdit::findClose() +{ + searchVisible = FALSE; + searchBar->hide(); +} + +void TextEdit::search() +{ + editor->find( searchEdit->text(), FALSE, FALSE ); +} + +void TextEdit::newFile( const DocLnk &f ) +{ + DocLnk nf = f; + nf.setType("text/plain"); + clear(); + editorStack->raiseWidget( editor ); + setWState (WState_Reserved1 ); + editor->setFocus(); + doc = new DocLnk(nf); + updateCaption(); +} + +void TextEdit::openFile( const QString &f ) +{ + bFromDocView = TRUE; + DocLnk nf; + nf.setType("text/plain"); + nf.setFile(f); + openFile(nf); + showEditTools(); + // Show filename in caption + QString name = f; + int sep = name.findRev( '/' ); + if ( sep > 0 ) + name = name.mid( sep+1 ); + updateCaption( name ); +} + +void TextEdit::openFile( const DocLnk &f ) +{ + clear(); + FileManager fm; + QString txt; + if ( !fm.loadFile( f, txt ) ) { + // ####### could be a new file + //qDebug( "Cannot open file" ); + //return; + } + fileNew(); + if ( doc ) + delete doc; + doc = new DocLnk(f); + editor->setText(txt); + editor->setEdited(FALSE); + updateCaption(); +} + +void TextEdit::showEditTools() +{ + if ( !doc ) + close(); + fileSelector->hide(); + menu->show(); + editBar->show(); + if ( searchVisible ) + searchBar->show(); + updateCaption(); +} + +bool TextEdit::save() +{ + // case of nothing to save... + if ( !doc ) + return true; + if ( !editor->edited() ) { + delete doc; + doc = 0; + return true; + } + + QString rt = editor->text(); + + if ( doc->name().isEmpty() ) { + QString pt = rt.simplifyWhiteSpace(); + int i = pt.find( ' ' ); + QString docname = pt; + if ( i > 0 ) + docname = pt.left( i ); + // remove "." at the beginning + while( docname.startsWith( "." ) ) + docname = docname.mid( 1 ); + docname.replace( QRegExp("/"), "_" ); + // cut the length. filenames longer than that don't make sense and something goes wrong when they get too long. + if ( docname.length() > 40 ) + docname = docname.left(40); + if ( docname.isEmpty() ) + docname = "Empty Text"; + doc->setName(docname); + + // append .txt to the file name + if ( doc->file().find(".txt") == -1 ) { + QString file = doc->file() + ".txt"; + doc->setFile( file ); + } + } + + + FileManager fm; + if ( !fm.saveFile( *doc, rt ) ) { + return false; + } + delete doc; + doc = 0; + editor->setEdited( false ); + return true; +} + +void TextEdit::clear() +{ + delete doc; + doc = 0; + editor->clear(); +} + +void TextEdit::updateCaption( const QString &name ) +{ + if ( !doc ) + setCaption( tr("Text Editor") ); + else { + QString s = name; + if ( s.isNull() ) + s = doc->name(); + if ( s.isEmpty() ) + s = tr( "Unnamed" ); + setCaption( s + " - " + tr("Text Editor") ); + } +} + +void TextEdit::setDocument(const QString& fileref) +{ + bFromDocView = TRUE; + openFile(DocLnk(fileref)); + showEditTools(); +} + +void TextEdit::closeEvent( QCloseEvent *e ) +{ + if ( editorStack->visibleWidget() == editor && !bFromDocView ) { + e->ignore(); + fileRevert(); + } else { + bFromDocView = FALSE; + e->accept(); + } +} + +void TextEdit::accept() +{ + fileOpen(); +} |