Initial

7 files changed, 527 insertions, 0 deletions

diff --git a/PrinterGUI/PrinterGUI_SRC/PrinterGUI.pro b/PrinterGUI/PrinterGUI_SRC/PrinterGUI.pro
new file mode 100644
index 0000000..e51ec31
--- /dev/null
+++ b/PrinterGUI/PrinterGUI_SRC/PrinterGUI.pro
@@ -0,0 +1,22 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2013-09-26T00:51:08
+#
+#-------------------------------------------------
+
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = PrinterGUI
+TEMPLATE = app
+
+
+SOURCES += main.cpp\
+        mainwindow.cpp
+
+HEADERS  += mainwindow.h
+
+FORMS    += mainwindow.ui
+
+LIBS += -L/usr/lib/x86_64-linux-gnu -lcups
diff --git a/PrinterGUI/PrinterGUI_SRC/main.cpp b/PrinterGUI/PrinterGUI_SRC/main.cpp
new file mode 100644
index 0000000..784c88a
--- /dev/null
+++ b/PrinterGUI/PrinterGUI_SRC/main.cpp
@@ -0,0 +1,28 @@
+#include <QApplication>
+#include <fstream>
+#include "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+    // First check parameter count
+    if (argc != 2)
+        return 2;
+
+    // Check if file exists
+    std::fstream f;
+    try
+    {
+        f.open(argv[1], std::ios::in);
+    }
+    catch (std::fstream::failure e)
+    {
+        return 3;
+    }
+    f.close();
+
+    QApplication a(argc, argv);
+    MainWindow w(argv[1]);
+    w.show();
+
+    return a.exec();
+}
diff --git a/PrinterGUI/PrinterGUI_SRC/mainwindow.cpp b/PrinterGUI/PrinterGUI_SRC/mainwindow.cpp
new file mode 100644
index 0000000..03e74e9
--- /dev/null
+++ b/PrinterGUI/PrinterGUI_SRC/mainwindow.cpp
@@ -0,0 +1,215 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+#include <pwd.h>
+
+
+
+MainWindow::MainWindow(char *argv, QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::MainWindow),
+    file(argv)
+{
+    // Initialize cups
+    num_dests = cupsGetDests(&dests);
+
+    // Initialize UI
+    initializeUI();
+}
+
+
+
+MainWindow::~MainWindow()
+{
+    cupsFreeDests(num_dests, dests);
+    delete ui;
+}
+
+
+
+void MainWindow::initializeUI()
+{
+    ui->setupUi(this);
+    ui->horizontalLayoutButtons->setAlignment(Qt::AlignRight);
+
+    /*  Initialize Treeview  */
+
+    ui->printerList->setColumnCount(3);
+    ui->printerList->setSizePolicy(QSizePolicy::Minimum,QSizePolicy::Minimum);
+
+    // Rename headers
+    QStringList h;
+    h.append("Drucker");
+    h.append("Information");
+    h.append("Standort");
+    ui->printerList->setHeaderLabels(h);
+
+    // Fill treewidget with data from cups dests;
+    cups_dest_t *dest = dests;
+    for (int i = num_dests; i>0; ++dest, --i )
+        if (dest->instance == NULL)
+        {
+            QTreeWidgetItem *wi = new QTreeWidgetItem();
+            wi->setText(0, QString(dest->name));
+            wi->setText(1, QString(cupsGetOption("printer-info", dest->num_options, dest->options)));
+            wi->setText(2, QString(cupsGetOption("printer-location", dest->num_options, dest->options)));
+            ui->printerList->addTopLevelItem(wi);
+        }
+
+    // Resize columns to contents
+    for (int i = 0; i < 3; ++i)
+        ui->printerList->resizeColumnToContents(i);
+
+    /*  Main Window properties  */
+
+    // Disable close button
+    this->setWindowFlags(windowFlags() & ~Qt::WindowCloseButtonHint);
+    // center dialog on screen center
+    QRect desktopRect = QApplication::desktop()->screenGeometry(this);
+    this->move( desktopRect.width()/2-this->width()/2,
+                desktopRect.height()/2-this->height()/2);
+}
+
+
+
+
+void MainWindow::on_printerList_currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous)
+{
+    ui->printerList->setFocus();
+
+    cups_dest_t *dest =cupsGetNamedDest (CUPS_HTTP_DEFAULT, current->text(0).toAscii(), NULL);
+
+
+    /* * Check printer properties (auth, color, duplex, copies) * */
+    // get printer capabilities
+    int res = ::atoi(cupsGetOption("printer-type",
+                                   dest->num_options,
+                                   dest->options));
+
+    // Check authentication
+    if (res & CUPS_PRINTER_AUTHENTICATED)
+    {
+        ui->labelUser->setEnabled(true);
+        ui->labelPass->setEnabled(true);
+        ui->lineEditUser->setEnabled(true);
+        ui->lineEditPass->setEnabled(true);
+    }
+    else
+    {
+        ui->labelUser->setEnabled(false);
+        ui->labelPass->setEnabled(false);
+        ui->lineEditUser->setEnabled(false);
+        ui->lineEditPass->setEnabled(false);
+    }
+
+    // Check color capabilities
+    if (res & CUPS_PRINTER_COLOR)
+    {
+        ui->comboBoxColor->setEnabled(true);
+        ui->comboBoxColor->setCurrentIndex(1);
+    }
+    else
+    {
+        ui->comboBoxColor->setEnabled(false);
+        ui->comboBoxColor->setCurrentIndex(0);
+    }
+
+    // Check duplex capabilities
+    if (res & CUPS_PRINTER_DUPLEX)
+    {
+        ui->comboBoxSides->setEnabled(true);
+    }
+    else
+    {
+        ui->comboBoxSides->setEnabled(false);
+        ui->comboBoxSides->setCurrentIndex(0);
+    }
+
+    // Check copy capabilities
+    if (res & CUPS_PRINTER_COPIES)
+    {
+        ui->lineEditCopies->setEnabled(true);
+        ui->labelCopies->setEnabled(true);
+    }
+    else
+    {
+        ui->lineEditCopies->setEnabled(false);
+        ui->lineEditCopies->setText("1");
+        ui->labelCopies->setEnabled(false);
+    }
+
+    // Check availability
+    if (res & CUPS_PRINTER_REJECTING)
+    {
+        ui->buttonPrint->setEnabled(false);
+    }
+    else
+    {
+        ui->buttonPrint->setEnabled(true);
+    }
+}
+
+
+
+void MainWindow::on_buttonCancel_clicked()
+{
+    // Quit with code 1
+    QCoreApplication::instance()->exit(1);
+}
+
+
+
+void MainWindow::on_buttonPrint_clicked()
+{
+    QString cmd;
+
+    // Wenn Farbe möglich ist. Aber trotzdem Graustufen gewählt
+    // Schieb file durch ghostscript
+    if (ui->comboBoxColor->isEnabled() && ui->comboBoxColor->currentIndex() == 0)
+    {
+        // Run ghostscript to make file grayscale
+        cmd = QString("gs -sDEVICE=psgray -dNOPAUSE -dBATCH -dQUIET -dSAFER  -sOutputFile=\"%22\" \"%1\"").arg(
+                    file,
+                    file);
+        system(cmd.toAscii());
+    }
+
+    // Username, part of whoami source
+    register uid_t uid = geteuid();
+    const char *username = getpwuid(uid)->pw_name;
+    cmd = QString("lp -U %1").arg(username);
+
+    // Duplex
+    if (ui->comboBoxSides->isEnabled())
+    {
+        switch (ui->comboBoxSides->currentIndex()){
+        case 0:
+            cmd.append(" -o sides=one-sided");
+            break;
+        case 1:
+            cmd.append(" -o sides=two-sided-long-edge");
+            break;
+        case 2:
+            cmd.append(" -o sides=two-sided-long-edge");
+            break;
+        }
+    }
+
+    // Kopien
+    if (ui->lineEditCopies->isEnabled())
+        cmd.append(QString(" -n %1").arg(ui->lineEditCopies->text()));
+
+    // Queue
+    cmd.append(QString(" -d %1").arg(ui->printerList->currentItem()->text(0)));
+
+    // File
+    cmd.append(QString(" -- \"%1\"").arg(file));
+
+    // Print results to stdout
+    QTextStream (stdout, QIODevice::WriteOnly) << cmd;
+
+    // Execute the command
+    system(cmd.toAscii());
+
+    // Quit with code 0
+    QCoreApplication::instance()->quit();
+}
diff --git a/PrinterGUI/PrinterGUI_SRC/mainwindow.h b/PrinterGUI/PrinterGUI_SRC/mainwindow.h
new file mode 100644
index 0000000..0078cde
--- /dev/null
+++ b/PrinterGUI/PrinterGUI_SRC/mainwindow.h
@@ -0,0 +1,35 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include <QDebug>
+#include <QDesktopWidget>
+#include <QTreeWidget>
+#include "cups/cups.h"
+
+namespace Ui {
+class MainWindow;
+}
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit MainWindow(char *argv, QWidget *parent = 0);
+    ~MainWindow();
+
+private slots:
+    void on_printerList_currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous);
+    void on_buttonCancel_clicked();
+    void on_buttonPrint_clicked();
+
+private:
+    Ui::MainWindow *ui;
+    void initializeUI();
+    cups_dest_t *dests;
+    int num_dests;
+    const char * const file;
+};
+
+#endif // MAINWINDOW_H
diff --git a/PrinterGUI/PrinterGUI_SRC/mainwindow.ui b/PrinterGUI/PrinterGUI_SRC/mainwindow.ui
new file mode 100644
index 0000000..1be9776
--- /dev/null
+++ b/PrinterGUI/PrinterGUI_SRC/mainwindow.ui
@@ -0,0 +1,197 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>559</width>
+    <height>286</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Printjob</string>
+  </property>
+  <widget class="QWidget" name="centralWidget">
+   <layout class="QGridLayout" name="gridLayout">
+    <item row="0" column="0">
+     <layout class="QVBoxLayout" name="verticalLayout">
+      <item>
+       <widget class="QTreeWidget" name="printerList">
+        <column>
+         <property name="text">
+          <string notr="true">1</string>
+         </property>
+        </column>
+       </widget>
+      </item>
+      <item>
+       <layout class="QGridLayout" name="gridLayout_2">
+        <item row="2" column="1">
+         <layout class="QHBoxLayout" name="horizontalLayoutUser">
+          <item>
+           <widget class="QLabel" name="labelUser">
+            <property name="text">
+             <string>User:</string>
+            </property>
+            <property name="alignment">
+             <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QLineEdit" name="lineEditUser">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+        <item row="2" column="0">
+         <widget class="QComboBox" name="comboBoxColor">
+          <item>
+           <property name="text">
+            <string>Graustufen</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Farbe</string>
+           </property>
+          </item>
+         </widget>
+        </item>
+        <item row="3" column="0">
+         <widget class="QComboBox" name="comboBoxSides">
+          <item>
+           <property name="text">
+            <string>Simplex</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Duplex, Long Edge</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Duplex, Short Edge</string>
+           </property>
+          </item>
+         </widget>
+        </item>
+        <item row="3" column="1">
+         <layout class="QHBoxLayout" name="horizontalLayoutPass">
+          <item>
+           <widget class="QLabel" name="labelPass">
+            <property name="text">
+             <string>Password:</string>
+            </property>
+            <property name="alignment">
+             <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QLineEdit" name="lineEditPass">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+        <item row="3" column="2">
+         <layout class="QHBoxLayout" name="horizontalLayoutButtons">
+          <item>
+           <widget class="QPushButton" name="buttonCancel">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="autoFillBackground">
+             <bool>false</bool>
+            </property>
+            <property name="text">
+             <string>Abrechen</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QPushButton" name="buttonPrint">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="text">
+             <string>Drucken</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+        <item row="2" column="2">
+         <layout class="QHBoxLayout" name="horizontalLayoutCopies">
+          <item>
+           <widget class="QLabel" name="labelCopies">
+            <property name="text">
+             <string>Anzahl Kopien:</string>
+            </property>
+            <property name="alignment">
+             <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QLineEdit" name="lineEditCopies">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="maximumSize">
+             <size>
+              <width>40</width>
+              <height>16777215</height>
+             </size>
+            </property>
+            <property name="inputMask">
+             <string>00; </string>
+            </property>
+            <property name="text">
+             <string>1</string>
+            </property>
+            <property name="maxLength">
+             <number>2</number>
+            </property>
+            <property name="alignment">
+             <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/TODO b/TODO
new file mode 100644
index 0000000..1ca3440
--- /dev/null
+++ b/TODO
@@ -0,0 +1,4 @@
+- Do the authentication stuff
+- Execute the printcommand directly from C/binary
+- Show a options command which offers all options and their choices
+
diff --git a/printerd b/printerd
new file mode 100755
index 0000000..ef93722
--- /dev/null
+++ b/printerd
@@ -0,0 +1,26 @@
+#! /bin/bash
+
+# This script runs a daemon that listens on a port for printjobs and pipes
+# incoming data into UNIX lpd, which starts a helper program when a print-
+# job is incoming.
+
+USER="$1"
+BUSYBOX="busybox"
+IP="0.0.0.0"
+PORT="515"
+SPOOLDIR="/var/spool"
+SPOOLQUEUE="STANDARD"
+GUIBINARY="printerGUI"
+
+# Create the directory for the queue
+mkdir -p "$SPOOLDIR/$SPOOLQUEUE"
+
+# Change the owner of the directory such that lpd 
+# is able to write to it
+chown $USER:$USER "$SPOOLDIR/$SPOOLQUEUE"
+
+# Start the lpdaemon listening on the given port
+exec "$BUSYBOX" tcpsvd -Eu "$USER:$USER" "$IP" "$PORT" \
+  "$BUSYBOX" lpd "$SPOOLDIR" \
+  "$GUIBINARY" 
+