* Added kgtk-qt3

* Slight kpowersave message cleanup


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kgtk-qt3@1173604 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 671 insertions, 0 deletions

diff --git a/qt3/kqt3.cpp b/qt3/kqt3.cpp
new file mode 100644
index 0000000..833b01d
--- /dev/null
+++ b/qt3/kqt3.cpp
@@ -0,0 +1,671 @@
+/************************************************************************
+ *
+ * All dialogs opened are created and used modal.
+ *
+ ************************************************************************
+ * (C) Craig Drummond, 2006
+ ************************************************************************
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ ************************************************************************/
+
+#define KQT_OVERLOAD_NON_STATIC_FILEDIALOGS
+
+#define _GNU_SOURCE
+#include <dlfcn.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+#include <sys/wait.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <pwd.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/types.h>
+#include <qstring.h>
+#include <qstringlist.h>
+#include <qwidget.h>
+#include <qapplication.h>
+#ifdef KQT_OVERLOAD_NON_STATIC_FILEDIALOGS
+#include <qcombobox.h>
+#include <qlineedit.h>
+#include <qobjectlist.h>
+#define private public   // HACK HACK HACK!!!
+#endif
+#include <qfiledialog.h>
+#include <qthread.h>
+#include <qnamespace.h>
+#include <qeventloop.h>
+#include "connect.h"
+#include "config.h"
+#include "mangled.h"
+
+static bool useKde=false;
+
+#define MAX_LINE_LEN 1024
+#define MAX_APP_NAME_LEN 32
+
+static char * getAppNameFromPid(int pid)
+{
+    static char appName[MAX_APP_NAME_LEN+1]="\0";
+
+    int  procFile=-1;
+    char cmdline[MAX_LINE_LEN+1];
+
+    sprintf(cmdline, "/proc/%d/cmdline",pid);
+
+    if(-1!=(procFile=open(cmdline, O_RDONLY)))
+    {
+        if(read(procFile, cmdline, MAX_LINE_LEN)>7)
+        {
+            int len=strlen(cmdline),
+                pos=0;
+
+            for(pos=len-1; pos>0 && cmdline[pos] && cmdline[pos]!='/'; --pos)
+                ;
+
+            if(pos>=0 && pos<len)
+            {
+                strncpy(appName, &cmdline[pos ? pos+1 : 0], MAX_APP_NAME_LEN);
+                appName[MAX_APP_NAME_LEN]='\0';
+            }
+        }
+        close(procFile);
+    }
+
+    return appName;
+}
+
+static const char * getAppName(bool useQt=true)
+{
+    static const char *appName=NULL;
+
+    if(!appName)
+    {
+        const char *a=useQt && qApp ? qApp->argv()[0] : getAppNameFromPid(getpid());
+        const char *slash;
+
+        // Was the cmdline app java? if so, try to use its parent name - just in case
+        //   its run from a shell script, etc. - e.g. as eclipse does
+        if(a && 0==strcmp(a, "java"))
+            a=getAppNameFromPid(getppid());
+
+        if(a && a[0]=='\0')
+            a=NULL;
+
+        appName=a && (slash=strrchr(a, '/')) && '\0'!=slash[1]
+                    ? &(slash[1])
+                    : a ? a : "QtApp";
+    }
+
+    return appName;
+}
+
+int QApplication::exec()
+{
+    static bool init=false;
+
+    if(!init)
+    {
+        connectToKDialogD(getAppName(false));
+        init=true;
+    }
+
+    static int (*realFunction)(void *);
+
+    if(!realFunction)
+        realFunction = (int (*)(void *)) dlsym(RTLD_NEXT, KQT_QAPPLICATION_EXEC);
+    return (int)realFunction(this);
+};
+
+static QString qt2KdeFilter(const QString &f)
+{
+    QString               filter;
+    QTextOStream          str(&filter);
+    QStringList           list(QStringList::split(";;", f));
+    QStringList::Iterator it(list.begin()),
+                          end(list.end());
+    bool                  first=true;
+
+    for(; it!=end; ++it)
+    {
+        int ob=(*it).findRev('('),
+            cb=(*it).findRev(')');
+
+        if(-1!=cb && ob<cb)
+        {
+            if(first)
+                first=false;
+            else
+                str << '\n';
+            str << (*it).mid(ob+1, (cb-ob)-1) << '|' << (*it).mid(0, ob);
+        }
+    }
+
+    return filter;
+}
+
+static void kde2QtFilter(const QString &orig, QString *sel)
+{
+    if(sel)
+    {
+        QStringList           list(QStringList::split(";;", orig));
+        QStringList::Iterator it(list.begin()),
+                              end(list.end());
+        int                   pos;
+
+        for(; it!=end; ++it)
+            if(-1!=(pos=(*it).find(*sel)) && pos>0 &&
+               ('('==(*it)[pos-1] || ' '==(*it)[pos-1]) &&
+               (*it).length()>=sel->length()+pos &&
+               (')'==(*it)[pos+sel->length()] || ' '==(*it)[pos+sel->length()]))
+            {
+                *sel=*it;
+                return;
+            }
+    }
+}
+
+#ifdef KQT_OVERLOAD_NON_STATIC_FILEDIALOGS
+#ifdef KQT_USE_QFILEDIALOG_PRIVATE
+// HACK HACK HACK!!!
+
+// KGtk versions <=0.9.1 used this copied QFileDialogPrivate to access the file filters
+// newer versions walk the file dialogs children...
+class QFileDialogPrivate {
+public:
+    ~QFileDialogPrivate();
+
+    QStringList history;
+
+    bool geometryDirty;
+    QComboBox * paths;
+    QComboBox * types;
+};
+#endif
+
+static const QString getFilters(QFileDialog *dlg, bool scribusSave=false)
+{
+    QString filter;
+
+#if KQT_USE_QFILEDIALOG_PRIVATE
+    if(dlg && dlg->d && dlg->d->types)
+    {
+        QTextOStream str(&filter);
+
+        for(int i=0; i<dlg->d->types->count(); ++i)
+        {
+            if(i)
+                str << ";;";
+
+            if(scribusSave && -1!=dlg->d->types->text(i).find("(*.sla *.sla.gz *.scd *scd.gz)"))
+                str << "Compressed Documents (*.sla.gz *scd.gz);;Documents (*.sla *.scd)";
+            else
+                str << dlg->d->types->text(i);
+        }
+    }
+#else
+    if(dlg)
+    {
+        const QObjectList *children=((QObject *)dlg)->children();
+
+        if(children)
+        {
+            QObjectList::ConstIterator it(children->begin()),
+                                       end(children->end());
+
+            for(; it!=end; ++it)
+                if(::qt_cast<QComboBox *>(*it) && 0==qstrcmp((*it)->name(), "file types"))
+                {
+                    QComboBox    *types=(QComboBox *)(*it);
+                    QTextOStream str(&filter);
+
+                    for(int i=0; i<types->count(); ++i)
+                    {
+                        if(i)
+                            str << ";;";
+
+                        if(scribusSave && -1!=types->text(i).find("(*.sla *.sla.gz *.scd *scd.gz)"))
+                            str << "Compressed Documents (*.sla.gz *scd.gz);;Documents (*.sla *.scd)";
+                        else
+                            str << types->text(i);
+                    }
+
+                    break;
+                }
+        }
+    }
+#endif
+
+    return filter;
+}
+
+static QString getCurrentFileName(QFileDialog *dlg)
+{
+    if(dlg)
+    {
+        const QObjectList *children=((QObject *)dlg)->children();
+
+        if(children)
+        {
+            QObjectList::ConstIterator it(children->begin()),
+                                       end(children->end());
+
+            for(; it!=end; ++it)
+                 if(::qt_cast<QLineEdit *>(*it)) // && 0==qstrcmp((*it)->name(), "name/filter editor"))
+                    return ((QLineEdit *)(*it))->text();
+        }
+    }
+
+    return QString();
+}
+
+static QString getDir(const QString &f)
+{
+    QString d(f);
+
+    int slashPos=d.findRev('/');
+
+    if(slashPos!=-1)
+        d.remove(slashPos+1, d.length());
+
+    return d;
+}
+#endif
+
+static bool writeString(int fd, const QString &str)
+{
+    QCString utf8(str.utf8());
+    int      size=utf8.length()+1;
+
+    return writeBlock(fd, (char *)&size, 4) && writeBlock(fd, utf8.data(), size);
+}
+
+static bool writeBool(int fd, bool b)
+{
+    char bv=b ? 1 : 0;
+
+    return writeBlock(fd, (char *)&bv, 1);
+}
+
+class KQtDialog : public QDialog
+{
+    public:
+
+    KQtDialog(QWidget *parent) : QDialog(parent, "kqt", true, WStyle_NoBorder|WX11BypassWM)
+    {
+        resize(1, 1);
+        setWindowOpacity(0.0);
+        setWindowState(WState_Minimized);
+        move(32768, 32768);
+    }
+
+/*    void r() { QDialog::reject(); }*/
+};
+
+class KQtThread : public QThread
+{
+    public:
+
+    KQtThread(QStringList &l, QString &s, int f, KQtDialog *dlg) : dialog(dlg), kdialogdError(false), res(l), selFilter(s), fd(f)
+    { }
+
+    bool readData(QCString &buffer, int size)
+    {
+        buffer.resize(size);
+        return ::readBlock(fd, buffer.data(), size);
+    }
+
+    bool readString(QString &str, int size)
+    {
+        QCString buffer;
+        buffer.resize(size);
+
+        if(!readBlock(fd, buffer.data(), size))
+            return false;
+
+        str=QString::fromUtf8(buffer.data());
+        return true;
+    }
+
+    void run()
+    {
+        QString buffer;
+        int     num=0;
+
+        if(readBlock(fd, (char *)&num, 4))
+        {
+            int n;
+
+            for(n=0; n<num && !kdialogdError; ++n)
+            {
+                int size=0;
+
+                if(readBlock(fd, (char *)&size, 4))
+                {
+                    if(size>0)
+                    {
+                        if(readString(buffer, size))
+                        {
+                            //buffer[size-1]='\0';
+                            if('/'==buffer[0])
+                                res.append(buffer);
+                            else
+                                selFilter=buffer;
+                        }
+                        else
+                            kdialogdError=true;
+                    }
+                }
+                else
+                    kdialogdError=true;
+            }
+        }
+        else
+            kdialogdError=true;
+
+        QApplication::postEvent(dialog, new QCloseEvent);
+    }
+
+    KQtDialog   *dialog;
+    bool        kdialogdError;
+    QStringList &res;
+    QString     &selFilter;
+    int         fd;
+};
+
+static bool sendMessage(QWidget *parent, Operation op, QStringList &res, QString &selFilter,
+                        const QString &title, const QString &p1, const QString *p2, bool ow)
+{
+    if(connectToKDialogD(getAppName()))
+    {
+        char o=(char)op;
+        int  xid=parent ? parent->topLevelWidget()->winId() : qApp->activeWindow()->winId();
+
+        if(writeBlock(kdialogdSocket, &o, 1) &&
+           writeBlock(kdialogdSocket, (char *)&xid, 4) &&
+           writeString(kdialogdSocket, title) &&
+           writeString(kdialogdSocket, p1) &&
+           (p2? writeString(kdialogdSocket, *p2) : true) &&
+           (OP_FILE_SAVE==op ? writeBool(kdialogdSocket, ow) : true))
+        {
+            KQtDialog dlg(parent);
+            KQtThread thread(res, selFilter, kdialogdSocket, &dlg);
+
+            thread.start();
+            dlg.exec();
+            thread.wait();
+            if(thread.kdialogdError)
+            {
+                closeConnection();
+                return false;
+            }
+            return true;
+        }
+    }
+
+    return false;
+}
+
+static QString getTitle(const QString &title, Operation op)
+{
+    if(!title.isEmpty())
+        return title;
+
+    return ".";
+}
+
+static bool openKdeDialog(QWidget *widget, const QString &title, const QString &p1, const QString *p2,
+                          Operation op, QStringList &res, QString *selFilter, bool ow=false)
+{
+    QString filter;
+    bool    rv=sendMessage(widget, op, res, filter, getTitle(title, op), p1, p2, ow);
+
+    // If we failed to talk to, or start kdialogd, then dont keep trying - just fall back to Qt
+    if(!rv)
+        /*useKde=false*/;
+    else if(selFilter)
+        *selFilter=filter;
+
+    return rv;
+}
+
+static void kqtExit()
+{
+    if(useKde)
+        closeConnection();
+}
+
+static bool kqtInit()
+{
+    static bool initialised=false;
+
+    if(!initialised)
+    {
+        initialised=true;
+        useKde=NULL!=getenv("KDE_FULL_SESSION") && connectToKDialogD(getAppName());
+        if(useKde)
+            atexit(&kqtExit);
+    }
+
+    return useKde;
+}
+
+static QString lastDir;
+
+static void storeLastDir(const QString &f)
+{
+    lastDir=f;
+
+    int slashPos(lastDir.findRev('/'));
+
+    if(slashPos!=-1)
+        lastDir.remove(slashPos+1, lastDir.length());
+}
+
+static const QString & startDir(const QString &d)
+{
+    return d.isEmpty() ? lastDir : d;
+}
+
+QString QFileDialog::getOpenFileName(const QString &initially, const QString &filter,
+                                     QWidget *parent, const char *name, const QString &caption,
+                                     QString *selectedFilter, bool resolveSymlinks)
+{
+    QStringList res;
+    QString     f(qt2KdeFilter(filter));
+    kqtInit();
+
+    if(openKdeDialog(parent, caption, startDir(initially), &f, OP_FILE_OPEN, res, selectedFilter))
+    {
+        kde2QtFilter(filter, selectedFilter);
+        QString fn(res.first());
+
+        storeLastDir(fn);
+        return fn;
+    }
+    return QString::null;
+}
+
+QString QFileDialog::getSaveFileName(const QString &initially, const QString &filter, QWidget *parent,
+                                     const char *name, const QString &caption,
+                                     QString *selectedFilter, bool resolveSymlinks)
+{
+    QStringList res;
+    QString     f(qt2KdeFilter(filter));
+    kqtInit();
+
+    if (openKdeDialog(parent, caption, startDir(initially), &f, OP_FILE_SAVE, res, selectedFilter))
+    {
+        kde2QtFilter(filter, selectedFilter);
+        QString fn(res.first());
+
+        storeLastDir(fn);
+        return fn;
+    }
+    return QString::null;
+}
+
+QString QFileDialog::getExistingDirectory(const QString &dir, QWidget *parent, const char *name,
+                                          const QString &caption, bool dirOnly, bool resolveSymlinks)
+{
+    QStringList res;
+    QString     dummy;
+
+    kqtInit();
+
+    return openKdeDialog(parent, caption, dir, NULL, OP_FOLDER, res, &dummy)
+            ? res.first()
+            : QString::null;
+}
+
+QStringList QFileDialog::getOpenFileNames(const QString &filter, const QString &dir, QWidget *parent,
+                                          const char *name, const QString &caption,
+                                          QString *selectedFilter, bool resolveSymlinks)
+{
+    QStringList res;
+    QString     f(qt2KdeFilter(filter));
+    kqtInit();
+
+    openKdeDialog(parent, caption, startDir(dir), &f, OP_FILE_OPEN_MULTIPLE, res, selectedFilter);
+
+    if(res.count())
+    {
+        kde2QtFilter(filter, selectedFilter);
+        storeLastDir(res.first());
+    }
+    return res;
+}
+
+#ifdef KQT_OVERLOAD_NON_STATIC_FILEDIALOGS
+static QString getFile(const QString &f)
+{
+    QString d(f);
+
+    int slashPos=d.findRev('/');
+
+    if(slashPos!=-1)
+        d.remove(0, slashPos+1);
+
+    return d;
+}
+
+int QDialog::exec()
+{
+    int res=QDialog::Rejected;
+
+    if(inherits("QFileDialog"))
+    {
+        QFileDialog *that=(QFileDialog *)this;
+
+        const QDir  *dirp=that->dir();
+        QString     dir,
+                    selectedFilter,
+                    file,
+                    initialDir(dirp ? dirp->absPath() : QDir::homeDirPath());
+        QStringList files;
+
+        if(dirp)
+            delete dirp;
+
+        QApplication::eventLoop()->processEvents(QEventLoop::ExcludeUserInput, 1);
+        switch(that->mode())
+        {
+            case QFileDialog::Directory:
+            case QFileDialog::DirectoryOnly:
+                dir=QFileDialog::getExistingDirectory(initialDir, parentWidget(), NULL,
+                                                      caption(), true, true);
+
+                if(!dir.isEmpty())
+                    res=QDialog::Accepted;
+                break;
+            case QFileDialog::AnyFile:
+            {
+                QString app(getFile(qApp->argv()[0])),
+                        initialFile(getCurrentFileName(that));
+
+                if(!initialFile.isEmpty())
+                    initialDir=initialDir+QChar('/')+initialFile;
+
+                file=QFileDialog::getSaveFileName(initialDir,
+                                                  getFilters(that, "scribus"==app ||
+                                                                   "scribus-ng"==app),
+                                                  parentWidget(), NULL, caption(), &selectedFilter,
+                                                  true);
+
+                if(!file.isEmpty())
+                    res=QDialog::Accepted;
+                break;
+            }
+            case QFileDialog::ExistingFile:
+                file=QFileDialog::getOpenFileName(initialDir, getFilters(that), parentWidget(),
+                                                  NULL, caption(), &selectedFilter, true);
+
+                if(!file.isEmpty())
+                    res=QDialog::Accepted;
+                break;
+            case QFileDialog::ExistingFiles:
+                files=QFileDialog::getOpenFileNames(getFilters(that), initialDir, parentWidget(),
+                                                    NULL, caption(), &selectedFilter, true);
+
+                if(files.count())
+                    res=QDialog::Accepted;
+                break;
+        }
+
+        if(QDialog::Accepted==res)
+        {
+            if(file.isEmpty() && files.count())
+                file=files.first();
+            if(dir.isEmpty() && !file.isEmpty())
+                dir=getDir(file);
+            if(!dir.isEmpty())
+                that->setDir(dir);
+            if(!selectedFilter.isEmpty())
+                that->setSelectedFilter(selectedFilter);
+            if(!file.isEmpty())
+                that->setSelection(file);
+
+            if(files.count() && that->nameEdit)
+            {
+                QStringList::Iterator it(files.begin()),
+                                      end(files.end());
+                QString               filesStr;
+                QTextOStream          str(&filesStr);
+
+                for(; it!=end; ++it)
+                    str << "\"" << (*it) << "\" ";
+                that->nameEdit->setText(filesStr);
+            }
+            QApplication::eventLoop()->processEvents(QEventLoop::ExcludeUserInput, 1);
+        }
+    }
+    else
+    {
+        static int (*realFunction)(void *);
+
+        if(!realFunction)
+            realFunction = (int (*)(void *)) dlsym(RTLD_NEXT, KQT_QDIALOG_EXEC);
+        return (int)realFunction(this);
+    }
+
+    return res;
+}
+#endif