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// create button eButton(eWidget *parent); // set button text setText(eString string); // positioning move(ePoint(x, y)); // sizing resize(eSize(x, y)); // set shortcut and pixmap setShortcut(int color); setShortcutPixmap(int pixmap); // decore with a frame loadDeco(); // function to call when button is pressed CONNECT(eButton->selected, function);
#include <lib/gui/ebutton.h>
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Enigma1 THE BIBLE
eBibleMainWindow::eBibleMainWindow(): eWindow(1)
{
// move our dialog to 100.100...
cmove(ePoint(100, 100));
// ...and give x and y dimensions.
cresize(eSize(520, 376));
// set a title.
setText("Enigma Bible Lesson 2: Button");
// create a label to show a text.
label=new eLabel(this);
// give a position
label->move(ePoint(50, 50));
// set the label dimensions
label->resize(eSize(200, 100));
// set the label text
label->setText("Push button to exit !!");
// create the button
ok = new eButton(this);
// set the button text
ok->setText("Exit");
// set position
ok->move(ePoint((clientrect.width() - 90)/2, clientrect.height() - 60));
// set size
ok->resize(eSize(90, 40));
// set shortcut and pixmap
ok->setShortcut("green");
ok->setShortcutPixmap("green");
// decore with a frame
ok->loadDeco();
// function to call when buton is pressed
CONNECT(ok->selected, eWidget::accept);
// set focus to the button
setFocus(ok);
}
eBibleMainWindow::eBibleMainWindow(): eWindow(1)
{
// move our dialog to 100.100...
cmove(ePoint(100, 100));
// ...and give x and y dimensions.
cresize(eSize(520, 376));
// set a title.
setText("Enigma Bible Lesson 3: MessageBox");
// create a label to show a text.
label=new eLabel(this);
// give a position
label->move(ePoint(20, 50));
// set the label dimensions
label->resize(eSize(400, 100));
// set the label text
label->setText("Push a button to show a MessageBox");
// create buttons and set properties
eButton * ok = new eButton(this);
ok->setText("Simply");
ok->move(ePoint((clientrect.width() - 200)/2, clientrect.height() - 60));
ok->resize(eSize(90, 40));
ok->loadDeco();
// function to call when button1 is pushed
CONNECT(ok->selected, eBibleMainWindow::message1);
eButton * ok2 = new eButton(this);
ok2->setText("Inter");
ok2->move(ePoint((clientrect.width())/2, clientrect.height() - 60));
ok2->resize(eSize(90, 40));
ok2->loadDeco();
// function to call when button2 is pushed
CONNECT(ok2->selected, eBibleMainWindow::message2);
// set focus on 1 button
setFocus(ok);
}
eBibleMainWindow::eBibleMainWindow(): eWindow(1)
{
// move our dialog to 100.100...
cmove(ePoint(100, 100));
// ...and give x and y dimensions.
cresize(eSize(520, 376));
// set a title.
setText("Enigma Bible Lesson 4: TextInput");
// create a label to show a text.
label=new eLabel(this);
// give a position
label->move(ePoint(20, 50));
// set the label dimensions
label->resize(eSize(400, 100));
// set the label text
label->setText("Push Ok Button and digit your text.");
// create textinput
mytext=new eTextInputField(this);
// give position
mytext->move(ePoint(20, 150));
// give size
mytext->resize(eSize(400, 40));
// set max number of characters
mytext->setMaxChars(100);
//mytext->setUseableChars("1234567890");
//mytext->setText(codeentry);
// show a frame decoration
mytext->loadDeco();
// create buttons and set properties
eButton * ok = new eButton(this);
ok->setText("Show");
ok->move(ePoint((clientrect.width() - 90)/2, clientrect.height() - 60));
ok->resize(eSize(100, 40));
ok->setShortcut("green");
ok->setShortcutPixmap("green");
ok->loadDeco();
// function to call when button is pushed
CONNECT(ok->selected, eBibleMainWindow::message1);
//set focus to textinput
setFocus(mytext);
}
eBibleMainWindow::eBibleMainWindow(): eWindow(1)
{
// move our dialog to 100.100...
cmove(ePoint(100, 100));
// ...and give x and y dimensions.
cresize(eSize(520, 376));
// set a title.
setText("Enigma Bible Lesson 5: CheckBox");
// Create checkbox
mycheck=new eCheckbox(this, 1);
// give position
mycheck->move(ePoint(10, 200));
// give dimensions (x and y)
mycheck->resize(eSize(clientrect.width() - 20, 50));
// Text to display near the checkbox
mycheck->setText("Check / Uncheck Box");
// create button and set properties
eButton * ok = new eButton(this);
ok->setText("Show");
ok->move(ePoint((clientrect.width() - 90)/2, clientrect.height() - 60));
ok->resize(eSize(100, 40));
ok->setShortcut("green");
ok->setShortcutPixmap("green");
ok->loadDeco();
// function to call when button is pushed
CONNECT(ok->selected, eBibleMainWindow::message1);
//set focus to checkbox
setFocus(mycheck);
}
eBibleMainWindow::eBibleMainWindow(): eWindow(1)
{
// move our dialog to 100.100...
cmove(ePoint(100, 100));
// ...and give x and y dimensions.
cresize(eSize(520, 376));
// set a title.
setText("Enigma Bible Lesson 6: Listbox");
// create a label to show a text.
label=new eLabel(this);
// give a position
label->move(ePoint(10, 10));
// set the label dimensions
label->resize(eSize(400, 60));
// set the label text
label->setText("What is your Favourite Dreambox Image ?");
// Create a Listbox
theList = new eListBox<eListBoxEntryText>(this);
// give a position
theList->move(ePoint(10, 100));
// set dimensions
theList->resize(eSize(clientrect.width() - 20, clientrect.height() - 160));
// decore witha frame
theList->loadDeco();
// set columns number
theList->setColumns(1);
// set flags
theList->beginAtomic();
theList->clearList();
// Populate Listbox with Items
new eListBoxEntryText(theList, "Gemini", (void *) (1));
new eListBoxEntryText(theList, "Colosseum", (void *) (2));
new eListBoxEntryText(theList, "Pli Flubber", (void *) (3));
new eListBoxEntryText(theList, "Juliet", (void *) (4));
theList->endAtomic();
// function to call when an Item is selected
CONNECT(theList->selected, eBibleMainWindow::message1);
// set focus to the list
setFocus(theList);
}
eBibleMainWindow::eBibleMainWindow(): eWindow(1)
{
// move our dialog to 100.100...
cmove(ePoint(100, 100));
// ...and give x and y dimensions.
cresize(eSize(520, 376));
// set a title.
setText("Enigma Bible Lesson 7: Combobox");
// create a label to show a text.
label=new eLabel(this);
// give a position
label->move(ePoint(50, 50));
// set the label dimensions
label->resize(eSize(400, 60));
// set the label text
label->setText("Select your language");
// Create the Combobox
Lang=new eComboBox(this, 4);
// Populate the Combobox with a List of Items
new eListBoxEntryText(*Lang, "English", (void *) (0));
new eListBoxEntryText(*Lang, "French", (void *) (1));
new eListBoxEntryText(*Lang, "Italian", (void *) (2));
new eListBoxEntryText(*Lang, "Dutch", (void *) (3));
// set Combobox position
Lang->move(ePoint(50, 160));
// Combo dimensions
Lang->resize(eSize(clientrect.width()-120, 35));
// set the default entry of Combobox to the first element of the list
Lang->setCurrent(0);
// decore Combo with a frame
Lang->loadDeco();
// create button and set properties
eButton * ok = new eButton(this);
ok->setText("Show");
ok->move(ePoint((clientrect.width() - 90)/2, clientrect.height() - 60));
ok->resize(eSize(100, 40));
ok->setShortcut("green");
ok->setShortcutPixmap("green");
ok->loadDeco();
// function to call when button is pushed
CONNECT(ok->selected, eBibleMainWindow::message1);
// set focus to the Combobox
setFocus(Lang);
}
/*
+--------------------------------------------------------------------------
| Bible Enigma1 Tutorial
| ========================================
| By: Bacicciosat aka Meo aka Luponero
|
| Lesson 8: http connection and download demonstration.
| (c) august 2006 by Meo
|
+---------------------------------------------------------------------------
*/
// include files nedeed by our code.
#include <stdio.h>
#include <stdlib.h>
#include <plugin.h>
#include <math.h>
#include <dirent.h>
#include <string.h>
#include <lib/gui/ewindow.h>
#include <lib/gui/ebutton.h>
#include <lib/gui/emessage.h>
#include <lib/gui/textinput.h>
#include <lib/gui/combobox.h>
#include <lib/gui/statusbar.h>
#include <lib/gui/eskin.h>
#include <lib/gdi/font.h>
#include <lib/gdi/epng.h>
#include <lib/gdi/gfbdc.h>
#include <lib/system/httpd.h>
#include <lib/gui/eprogress.h>
#include <upgrade.h>
#include <iostream>
#include <fstream>
#include <cstdio>
#include <lib/base/thread.h>
#include <lib/base/estring.h>
// The Class declaration of our Http Connection system
class Fetcher : public Object
{
// The temp file in which we will store the download data
eString tempPath;
// internal pointers and functions of download connection
eHTTPConnection * connectionP;
eHTTPDataSource * dataSinkP;
void transferDone(int err);
eHTTPDataSource * createDownloadSink(eHTTPConnection *conn);
public:
Signal1<void,int> downloadDone;
void fetch();
};
// The Class declaration of our Main Window
class eBibleMainWindow: public eWindow
{
// the label to show the text
eLabel *label;
// the button to start connection
eButton *ok;
// the connection object
Fetcher theFetcher;
// flag to indicate the download state
int downloadDoneFlag;
int inDownloadFlag;
public:
// the constructor.
eBibleMainWindow();
// function to call when button is pushed
void Wconnect();
// function to call when download is completed.
void downloadDone(int err);
// the destructor.
~eBibleMainWindow();
};
// The definition of the C function we will use to remove Html Tags from downloaded text
eString removeTags(eString in);
// The plugin entry point, Here start the code execution
extern "C" int plugin_exec( PluginParam *par )
{
// our demo dialog instance.
eBibleMainWindow dlg;
// show the dialog...
dlg.show();
// give control to dialog.. (the dialog is modal!)
int result=dlg.exec();
// and after it, hide it again.
dlg.hide();
return result;
}
eBibleMainWindow::eBibleMainWindow(): eWindow(1)
{
inDownloadFlag = 0;
// move our dialog to 100.100...
cmove(ePoint(100, 70));
// ...and give x and y dimensions.
cresize(eSize(520, 436));
// set a title.
setText("Enigma Bible Lesson 8: http connection");
// create a label to show a text.
label=new eLabel(this);
// give a position
label->move(ePoint(10, 0));
// set the label dimensions
label->resize(eSize(490, 380));
// set the label text
label->setText("This a demo http connection. We will connect to Wikipedia Site and will Download the page about Mkportal that is a CMS wrote and distributed by Meo aka Bacicciosat. We will parse the Wikipedia page and show in this window the Wikpedia definition of Mkportal.");
// set the wrap flag to the label
label->setFlags(RS_WRAP);
// create button and set properties
ok = new eButton(this);
ok->setText("Connect");
ok->move(ePoint((clientrect.width() - 150)/2, clientrect.height() - 60));
ok->resize(eSize(150, 40));
ok->setShortcut("green");
ok->setShortcutPixmap("green");
ok->loadDeco();
// function to call when button is pushed
CONNECT(ok->selected, eBibleMainWindow::Wconnect);
}
void eBibleMainWindow::Wconnect()
{
// Set the flag that indicates we are in downlading status
if(!inDownloadFlag) {
inDownloadFlag = 1;
// Hide Label to change text
label->hide();
// Set new text for the label
label->setText("Wait please connection to Wikipedia site in progress...");
// Show the label with New Text
label->show();
// Function to call when donwload is complete
CONNECT(theFetcher.downloadDone, eBibleMainWindow::downloadDone);
// Set the flag indicates that we are starting connections
downloadDoneFlag = 0;
// Call function to start http connection
theFetcher.fetch();
}
}
void Fetcher::fetch()
{
// declare variable
eString url;
// assign to the variable the url we want to connect
url = "http://en.wikipedia.org/wiki/Mkportal";
// assign to class variable the temporary file we will use to store the dowanloaded data
tempPath = "/var/tmp/bdemo.tmp";
// inizialize the control error flag
int error = 0;
// start connection
connectionP = eHTTPConnection::doRequest(url.c_str(), eApp, &error);
// Show a Messagebox in case of connection error
if(!connectionP || error)
{ eMessageBox msg("Error downloading " + url + "(" + eString().sprintf("%d", error) + ")", _("Details"), eMessageBox::btOK);
msg.show(); msg.exec(); msg.hide();
}
else
{
//if the connection is estabilished start the download funcions
CONNECT(connectionP->transferDone, Fetcher::transferDone);
CONNECT(connectionP->createDataSource, Fetcher::createDownloadSink);
// set the user-agent name
connectionP->local_header["User-Agent"] = "PLBOT";
connectionP->start();
}
}
void Fetcher::transferDone(int err)
{
// If no error we can call the downloadDone function
if(!err)
{ connectionP = NULL;
// Tell caller download is ready
/*emit*/ downloadDone(err);
}
else
{
//else show a Messagebox with Error description.
eString sMsg = "Error " + eString().sprintf("%d", err);
eMessageBox msg(sMsg, _("User Abort"), eMessageBox::iconWarning|eMessageBox::btOK);
msg.show(); msg.exec(); msg.hide();
}
}
// internal download procedure (standard)
eHTTPDataSource * Fetcher::createDownloadSink(eHTTPConnection *conn)
{ dataSinkP = new eHTTPDownload(connectionP, (char *)tempPath.c_str());
return(dataSinkP);
}
void eBibleMainWindow::downloadDone(int err)
{
// set the flag that indicates that download is complete
if(!downloadDoneFlag)
{ downloadDoneFlag = 1;
// create a buffer to read the temp file with download data.
char buf[512];
// declare the variables we will use in this function
eString strview, strview1;
// open temporary file cotaining the downloaded data
FILE *f = fopen("/var/tmp/bdemo.tmp", "rt");
if (f)
{
//Add an introduction text
strview = "Mkportal CMS. Author Meo aka Bacicciosat aka Luponero. www.mkportal.it\n\nWikipedia:\n";
// find the line we want (The mkportal definition in the wiki page we downloaded)
while (fgets(buf, 512, f))
{
if (strstr(buf, "is a free Portal"))
break;
}
// store this line in the variable
strview1 = eString(buf);
// remove html tags
strview1 = removeTags(strview1);
// concate strings to compose our output text
strview += strview1;
// read the next lines .....
while (fgets(buf, 512, f))
{
// if we found this string the defnition is ended so we can stop to read the file
if (strstr(buf, "See also"))
break;
// else store the line in the variable
strview1 = eString(buf);
// remove html tags
strview1 = removeTags(strview1);
// concate strings to compose our output text
strview += strview1;
}
// close file
fclose(f);
}
//Delete the temporary file we used to store downloaded data
::unlink("/var/tmp/bdemo.tmp");
// Hide label to change the text
label->hide();
// Insert into the label the output we have stored in the variable strview
label->setText(strview);
// Show the label with the new text
label->show();
// hide the connection button
ok->hide();
// set the flag that indicates we are not in download state anymore
inDownloadFlag = 0;
}
}
// This is a normal C++ function to remove the Html Tags from a strng.
// I will not comment this. This is not Enigma. This is normal C++ Programming.
eString removeTags(eString in)
{ eString out;
int startpos = 0; int length = 0;
for(unsigned int i = 0; i < in.length(); i++)
{ length++;
if(in.mid(i, 1) == "<")
{ out = out + in.mid(startpos, length - 1);
for(unsigned int j = i; j < in.length(); j++)
{ if(in.mid(j, 1) == ">")
{ i = j;
startpos = i + 1;
length = 0;
break;
}
}
}
}
if(out == "")
{ out = in;
}
return out;
}
eBibleMainWindow::~eBibleMainWindow()
{
// we have to do almost nothing here. all widgets are automatically removed
// since they are child of us. the eWidget-destructor will to this for us.
}
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