[ntk/apt.git] / apt-pkg / install-progress.cc

#include <apt-pkg/configuration.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/install-progress.h>

#include <apti18n.h>

#include <termios.h>
#include <sys/ioctl.h>
#include <sstream>
#include <fcntl.h>
#include <algorithm>
#include <stdio.h>

namespace APT {
namespace Progress {


/* Return a APT::Progress::PackageManager based on the global
 * apt configuration (i.e. APT::Status-Fd and APT::Status-deb822-Fd)
 */
PackageManager* PackageManagerProgressFactory()
{
   // select the right progress
   int status_fd = _config->FindI("APT::Status-Fd", -1);
   int status_deb822_fd = _config->FindI("APT::Status-deb822-Fd", -1);

   APT::Progress::PackageManager *progress = NULL;
   if (status_deb822_fd > 0)
      progress = new APT::Progress::PackageManagerProgressDeb822Fd(
         status_deb822_fd);
   else if (status_fd > 0)
      progress = new APT::Progress::PackageManagerProgressFd(status_fd);
   else if(_config->FindB("Dpkg::Progress-Fancy", false) == true)
      progress = new APT::Progress::PackageManagerFancy();
   else if (_config->FindB("Dpkg::Progress", 
                           _config->FindB("DpkgPM::Progress", false)) == true)
      progress = new APT::Progress::PackageManagerText();
   else
      progress = new APT::Progress::PackageManager();
   return progress;
}

bool PackageManager::StatusChanged(std::string /*PackageName*/,
                                   unsigned int StepsDone,
                                   unsigned int TotalSteps,
                                   std::string /*HumanReadableAction*/)
{
   int reporting_steps = _config->FindI("DpkgPM::Reporting-Steps", 1);
   percentage = StepsDone/(float)TotalSteps * 100.0;
   strprintf(progress_str, _("Progress: [%3i%%]"), (int)percentage);

   if(percentage < (last_reported_progress + reporting_steps))
      return false;

   return true;
}

PackageManagerProgressFd::PackageManagerProgressFd(int progress_fd)
   : StepsDone(0), StepsTotal(1)
{
   OutStatusFd = progress_fd;
}

void PackageManagerProgressFd::WriteToStatusFd(std::string s)
{
   if(OutStatusFd <= 0)
      return;
   FileFd::Write(OutStatusFd, s.c_str(), s.size());   
}

void PackageManagerProgressFd::StartDpkg()
{
   if(OutStatusFd <= 0)
      return;

   // FIXME: use SetCloseExec here once it taught about throwing
   //        exceptions instead of doing _exit(100) on failure
   fcntl(OutStatusFd,F_SETFD,FD_CLOEXEC); 

   // send status information that we are about to fork dpkg
   std::ostringstream status;
   status << "pmstatus:dpkg-exec:" 
          << (StepsDone/float(StepsTotal)*100.0) 
          << ":" << _("Running dpkg")
          << std::endl;
   WriteToStatusFd(status.str());
}

void PackageManagerProgressFd::Stop()
{
}

void PackageManagerProgressFd::Error(std::string PackageName,
                                     unsigned int StepsDone,
                                     unsigned int TotalSteps,
                                     std::string ErrorMessage)
{
   std::ostringstream status;
   status << "pmerror:" << PackageName
          << ":"  << (StepsDone/float(TotalSteps)*100.0) 
          << ":" << ErrorMessage
          << std::endl;
   WriteToStatusFd(status.str());
}

void PackageManagerProgressFd::ConffilePrompt(std::string PackageName,
                                              unsigned int StepsDone,
                                              unsigned int TotalSteps,
                                              std::string ConfMessage)
{
   std::ostringstream status;
   status << "pmconffile:" << PackageName
          << ":"  << (StepsDone/float(TotalSteps)*100.0) 
          << ":" << ConfMessage
          << std::endl;
   WriteToStatusFd(status.str());
}


bool PackageManagerProgressFd::StatusChanged(std::string PackageName, 
                                             unsigned int xStepsDone,
                                             unsigned int xTotalSteps,
                                             std::string pkg_action)
{
   StepsDone = xStepsDone;
   StepsTotal = xTotalSteps;

   // build the status str
   std::ostringstream status;
   status << "pmstatus:" << StringSplit(PackageName, ":")[0]
          << ":"  << (StepsDone/float(StepsTotal)*100.0) 
          << ":" << pkg_action
          << std::endl;
   WriteToStatusFd(status.str());

   if(_config->FindB("Debug::APT::Progress::PackageManagerFd", false) == true)
      std::cerr << "progress: " << PackageName << " " << xStepsDone
                << " " << xTotalSteps << " " << pkg_action
                << std::endl;


   return true;
}


PackageManagerProgressDeb822Fd::PackageManagerProgressDeb822Fd(int progress_fd)
   : StepsDone(0), StepsTotal(1)
{
   OutStatusFd = progress_fd;
}

void PackageManagerProgressDeb822Fd::WriteToStatusFd(std::string s)
{
   FileFd::Write(OutStatusFd, s.c_str(), s.size());   
}

void PackageManagerProgressDeb822Fd::StartDpkg()
{
   // FIXME: use SetCloseExec here once it taught about throwing
   //        exceptions instead of doing _exit(100) on failure
   fcntl(OutStatusFd,F_SETFD,FD_CLOEXEC); 

   // send status information that we are about to fork dpkg
   std::ostringstream status;
   status << "Status: " << "progress" << std::endl
          << "Percent: " << (StepsDone/float(StepsTotal)*100.0) << std::endl
          << "Message: " << _("Running dpkg") << std::endl
          << std::endl;
   WriteToStatusFd(status.str());
}

void PackageManagerProgressDeb822Fd::Stop()
{
}

void PackageManagerProgressDeb822Fd::Error(std::string PackageName,
                                     unsigned int StepsDone,
                                     unsigned int TotalSteps,
                                     std::string ErrorMessage)
{
   std::ostringstream status;
   status << "Status: " << "Error" << std::endl
          << "Package:" << PackageName << std::endl
          << "Percent: "  << (StepsDone/float(TotalSteps)*100.0) << std::endl
          << "Message: " << ErrorMessage << std::endl
          << std::endl;
   WriteToStatusFd(status.str());
}

void PackageManagerProgressDeb822Fd::ConffilePrompt(std::string PackageName,
                                              unsigned int StepsDone,
                                              unsigned int TotalSteps,
                                              std::string ConfMessage)
{
   std::ostringstream status;
   status << "Status: " << "ConfFile" << std::endl
          << "Package:" << PackageName << std::endl
          << "Percent: "  << (StepsDone/float(TotalSteps)*100.0) << std::endl
          << "Message: " << ConfMessage << std::endl
          << std::endl;
   WriteToStatusFd(status.str());
}


bool PackageManagerProgressDeb822Fd::StatusChanged(std::string PackageName, 
                                             unsigned int xStepsDone,
                                             unsigned int xTotalSteps,
                                             std::string message)
{
   StepsDone = xStepsDone;
   StepsTotal = xTotalSteps;

   // build the status str
   std::ostringstream status;
   status << "Status: " << "progress" << std::endl
          << "Package: " << PackageName << std::endl
          << "Percent: "  << (StepsDone/float(StepsTotal)*100.0) << std::endl
          << "Message: " << message << std::endl
          << std::endl;
   WriteToStatusFd(status.str());

   return true;
}


PackageManagerFancy::PackageManagerFancy()
   : child_pty(-1)
{
   // setup terminal size
   old_SIGWINCH = signal(SIGWINCH, PackageManagerFancy::staticSIGWINCH);
   instances.push_back(this);
}
std::vector<PackageManagerFancy*> PackageManagerFancy::instances;

PackageManagerFancy::~PackageManagerFancy()
{
   instances.erase(find(instances.begin(), instances.end(), this));
   signal(SIGWINCH, old_SIGWINCH);
}

void PackageManagerFancy::staticSIGWINCH(int signum)
{
   std::vector<PackageManagerFancy *>::const_iterator I;
   for(I = instances.begin(); I != instances.end(); ++I)
      (*I)->HandleSIGWINCH(signum);
}

int PackageManagerFancy::GetNumberTerminalRows()
{
   struct winsize win;
   // FIXME: get from "child_pty" instead?
   if(ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&win) != 0)
      return -1;

   if(_config->FindB("Debug::InstallProgress::Fancy", false) == true)
      std::cerr << "GetNumberTerminalRows: " << win.ws_row << std::endl;
   
   return win.ws_row;
}

void PackageManagerFancy::SetupTerminalScrollArea(int nr_rows)
{
     if(_config->FindB("Debug::InstallProgress::Fancy", false) == true)
        std::cerr << "SetupTerminalScrollArea: " << nr_rows << std::endl;

     // scroll down a bit to avoid visual glitch when the screen
     // area shrinks by one row
     std::cout << "\n";
         
     // save cursor
     std::cout << "\033[s";
         
     // set scroll region (this will place the cursor in the top left)
     std::cout << "\033[0;" << nr_rows - 1 << "r";
            
     // restore cursor but ensure its inside the scrolling area
     std::cout << "\033[u";
     static const char *move_cursor_up = "\033[1A";
     std::cout << move_cursor_up;

     // ensure its flushed
     std::flush(std::cout);

     // setup tty size to ensure xterm/linux console are working properly too
     // see bug #731738
     struct winsize win;
     ioctl(child_pty, TIOCGWINSZ, (char *)&win);
     win.ws_row = nr_rows - 1;
     ioctl(child_pty, TIOCSWINSZ, (char *)&win);
}

void PackageManagerFancy::HandleSIGWINCH(int)
{
   int nr_terminal_rows = GetNumberTerminalRows();
   SetupTerminalScrollArea(nr_terminal_rows);
}

void PackageManagerFancy::Start(int a_child_pty)
{
   child_pty = a_child_pty;
   int nr_terminal_rows = GetNumberTerminalRows();
   if (nr_terminal_rows > 0)
      SetupTerminalScrollArea(nr_terminal_rows);
}

void PackageManagerFancy::Stop()
{
   int nr_terminal_rows = GetNumberTerminalRows();
   if (nr_terminal_rows > 0)
   {
      SetupTerminalScrollArea(nr_terminal_rows + 1);

      // override the progress line (sledgehammer)
      static const char* clear_screen_below_cursor = "\033[J";
      std::cout << clear_screen_below_cursor;
   }
   child_pty = -1;
}

bool PackageManagerFancy::StatusChanged(std::string PackageName, 
                                        unsigned int StepsDone,
                                        unsigned int TotalSteps,
                                        std::string HumanReadableAction)
{
   if (!PackageManager::StatusChanged(PackageName, StepsDone, TotalSteps,
          HumanReadableAction))
      return false;

   int row = GetNumberTerminalRows();

   static string save_cursor = "\033[s";
   static string restore_cursor = "\033[u";
   
   static string set_bg_color = "\033[42m"; // green
   static string set_fg_color = "\033[30m"; // black
   
   static string restore_bg =  "\033[49m";
   static string restore_fg = "\033[39m";
   
   std::cout << save_cursor
      // move cursor position to last row
             << "\033[" << row << ";0f" 
             << set_bg_color
             << set_fg_color
             << progress_str
             << restore_cursor
             << restore_bg
             << restore_fg;
   std::flush(std::cout);
   last_reported_progress = percentage;

   return true;
}

bool PackageManagerText::StatusChanged(std::string PackageName, 
                                       unsigned int StepsDone,
                                       unsigned int TotalSteps,
                                       std::string HumanReadableAction)
{
   if (!PackageManager::StatusChanged(PackageName, StepsDone, TotalSteps, HumanReadableAction))
      return false;

   std::cout << progress_str << "\r\n";
   std::flush(std::cout);
                   
   last_reported_progress = percentage;

   return true;
}


} // namespace progress
} // namespace apt
Commit	Line	Data
e6ad8031 MV	1	#include <apt-pkg/configuration.h>
e6ad8031 MV	2	#include <apt-pkg/fileutl.h>
31f97d7b	3	#include <apt-pkg/strutl.h>
af36becc	4	#include <apt-pkg/install-progress.h>
c7ea1eba	5
6c5ae8ed	6	#include <apti18n.h>
31f97d7b MV	7
	8	#include <termios.h>
	9	#include <sys/ioctl.h>
e6ad8031	10	#include <sstream>
5e9458e2	11	#include <fcntl.h>
5ed88785	12	#include <algorithm>
c23e6cd5	13	#include <stdio.h>
e96e4e9c	14
31f97d7b MV	15	namespace APT {
	16	namespace Progress {
	17
61f954bf MV	18
	19	/* Return a APT::Progress::PackageManager based on the global
	20	* apt configuration (i.e. APT::Status-Fd and APT::Status-deb822-Fd)
	21	*/
bd5f39b3 MV	22	PackageManager* PackageManagerProgressFactory()
	23	{
	24	// select the right progress
	25	int status_fd = _config->FindI("APT::Status-Fd", -1);
	26	int status_deb822_fd = _config->FindI("APT::Status-deb822-Fd", -1);
	27
	28	APT::Progress::PackageManager *progress = NULL;
	29	if (status_deb822_fd > 0)
	30	progress = new APT::Progress::PackageManagerProgressDeb822Fd(
	31	status_deb822_fd);
	32	else if (status_fd > 0)
	33	progress = new APT::Progress::PackageManagerProgressFd(status_fd);
	34	else if(_config->FindB("Dpkg::Progress-Fancy", false) == true)
	35	progress = new APT::Progress::PackageManagerFancy();
	36	else if (_config->FindB("Dpkg::Progress",
	37	_config->FindB("DpkgPM::Progress", false)) == true)
	38	progress = new APT::Progress::PackageManagerText();
	39	else
	40	progress = new APT::Progress::PackageManager();
	41	return progress;
	42	}
	43
65512241	44	bool PackageManager::StatusChanged(std::string /PackageName/,
e6ad8031 MV	45	unsigned int StepsDone,
e6ad8031 MV	46	unsigned int TotalSteps,
65512241	47	std::string /HumanReadableAction/)
6c5ae8ed MV	48	{
	49	int reporting_steps = _config->FindI("DpkgPM::Reporting-Steps", 1);
	50	percentage = StepsDone/(float)TotalSteps * 100.0;
	51	strprintf(progress_str, _("Progress: [%3i%%]"), (int)percentage);
	52
	53	if(percentage < (last_reported_progress + reporting_steps))
	54	return false;
	55
	56	return true;
	57	}
	58
e6ad8031	59	PackageManagerProgressFd::PackageManagerProgressFd(int progress_fd)
65dbd5a1	60	: StepsDone(0), StepsTotal(1)
e6ad8031 MV	61	{
	62	OutStatusFd = progress_fd;
	63	}
	64
f9935b1c MV	65	void PackageManagerProgressFd::WriteToStatusFd(std::string s)
	66	{
	67	if(OutStatusFd <= 0)
	68	return;
	69	FileFd::Write(OutStatusFd, s.c_str(), s.size());
	70	}
	71
e45c4617	72	void PackageManagerProgressFd::StartDpkg()
e6ad8031	73	{
5e9458e2 MV	74	if(OutStatusFd <= 0)
	75	return;
	76
	77	// FIXME: use SetCloseExec here once it taught about throwing
	78	// exceptions instead of doing _exit(100) on failure
	79	fcntl(OutStatusFd,F_SETFD,FD_CLOEXEC);
e6ad8031 MV	80
e6ad8031 MV	81	// send status information that we are about to fork dpkg
f9935b1c MV	82	std::ostringstream status;
	83	status << "pmstatus:dpkg-exec:"
	84	<< (StepsDone/float(StepsTotal)*100.0)
	85	<< ":" << _("Running dpkg")
	86	<< std::endl;
	87	WriteToStatusFd(status.str());
e6ad8031 MV	88	}
e6ad8031 MV	89
a22fdebf	90	void PackageManagerProgressFd::Stop()
e6ad8031	91	{
e6ad8031 MV	92	}
	93
	94	void PackageManagerProgressFd::Error(std::string PackageName,
	95	unsigned int StepsDone,
	96	unsigned int TotalSteps,
	97	std::string ErrorMessage)
	98	{
	99	std::ostringstream status;
	100	status << "pmerror:" << PackageName
	101	<< ":" << (StepsDone/float(TotalSteps)*100.0)
	102	<< ":" << ErrorMessage
	103	<< std::endl;
f9935b1c	104	WriteToStatusFd(status.str());
e6ad8031 MV	105	}
	106
	107	void PackageManagerProgressFd::ConffilePrompt(std::string PackageName,
	108	unsigned int StepsDone,
	109	unsigned int TotalSteps,
	110	std::string ConfMessage)
	111	{
	112	std::ostringstream status;
	113	status << "pmconffile:" << PackageName
	114	<< ":" << (StepsDone/float(TotalSteps)*100.0)
	115	<< ":" << ConfMessage
	116	<< std::endl;
f9935b1c	117	WriteToStatusFd(status.str());
e6ad8031 MV	118	}
	119
	120
	121	bool PackageManagerProgressFd::StatusChanged(std::string PackageName,
	122	unsigned int xStepsDone,
	123	unsigned int xTotalSteps,
	124	std::string pkg_action)
	125	{
	126	StepsDone = xStepsDone;
	127	StepsTotal = xTotalSteps;
	128
	129	// build the status str
	130	std::ostringstream status;
dd640f3c	131	status << "pmstatus:" << StringSplit(PackageName, ":")[0]
e6ad8031 MV	132	<< ":" << (StepsDone/float(StepsTotal)*100.0)
	133	<< ":" << pkg_action
	134	<< std::endl;
f9935b1c	135	WriteToStatusFd(status.str());
65dbd5a1 MV	136
	137	if(_config->FindB("Debug::APT::Progress::PackageManagerFd", false) == true)
	138	std::cerr << "progress: " << PackageName << " " << xStepsDone
	139	<< " " << xTotalSteps << " " << pkg_action
	140	<< std::endl;
	141
	142
e6ad8031 MV	143	return true;
	144	}
	145
c7ea1eba MV	146
	147	PackageManagerProgressDeb822Fd::PackageManagerProgressDeb822Fd(int progress_fd)
	148	: StepsDone(0), StepsTotal(1)
	149	{
	150	OutStatusFd = progress_fd;
	151	}
	152
	153	void PackageManagerProgressDeb822Fd::WriteToStatusFd(std::string s)
	154	{
	155	FileFd::Write(OutStatusFd, s.c_str(), s.size());
	156	}
	157
790d41f6	158	void PackageManagerProgressDeb822Fd::StartDpkg()
c7ea1eba MV	159	{
	160	// FIXME: use SetCloseExec here once it taught about throwing
	161	// exceptions instead of doing _exit(100) on failure
	162	fcntl(OutStatusFd,F_SETFD,FD_CLOEXEC);
	163
	164	// send status information that we are about to fork dpkg
	165	std::ostringstream status;
	166	status << "Status: " << "progress" << std::endl
	167	<< "Percent: " << (StepsDone/float(StepsTotal)*100.0) << std::endl
	168	<< "Message: " << _("Running dpkg") << std::endl
	169	<< std::endl;
	170	WriteToStatusFd(status.str());
	171	}
	172
	173	void PackageManagerProgressDeb822Fd::Stop()
	174	{
c7ea1eba MV	175	}
	176
	177	void PackageManagerProgressDeb822Fd::Error(std::string PackageName,
	178	unsigned int StepsDone,
	179	unsigned int TotalSteps,
	180	std::string ErrorMessage)
	181	{
	182	std::ostringstream status;
	183	status << "Status: " << "Error" << std::endl
	184	<< "Package:" << PackageName << std::endl
	185	<< "Percent: " << (StepsDone/float(TotalSteps)*100.0) << std::endl
	186	<< "Message: " << ErrorMessage << std::endl
	187	<< std::endl;
	188	WriteToStatusFd(status.str());
	189	}
	190
	191	void PackageManagerProgressDeb822Fd::ConffilePrompt(std::string PackageName,
	192	unsigned int StepsDone,
	193	unsigned int TotalSteps,
	194	std::string ConfMessage)
	195	{
	196	std::ostringstream status;
	197	status << "Status: " << "ConfFile" << std::endl
	198	<< "Package:" << PackageName << std::endl
	199	<< "Percent: " << (StepsDone/float(TotalSteps)*100.0) << std::endl
	200	<< "Message: " << ConfMessage << std::endl
	201	<< std::endl;
	202	WriteToStatusFd(status.str());
	203	}
	204
	205
	206	bool PackageManagerProgressDeb822Fd::StatusChanged(std::string PackageName,
	207	unsigned int xStepsDone,
	208	unsigned int xTotalSteps,
	209	std::string message)
	210	{
	211	StepsDone = xStepsDone;
	212	StepsTotal = xTotalSteps;
	213
	214	// build the status str
	215	std::ostringstream status;
	216	status << "Status: " << "progress" << std::endl
	217	<< "Package: " << PackageName << std::endl
	218	<< "Percent: " << (StepsDone/float(StepsTotal)*100.0) << std::endl
	219	<< "Message: " << message << std::endl
	220	<< std::endl;
	221	WriteToStatusFd(status.str());
	222
	223	return true;
	224	}
	225
5ed88785 MV	226
	227	PackageManagerFancy::PackageManagerFancy()
	228	: child_pty(-1)
	229	{
	230	// setup terminal size
	231	old_SIGWINCH = signal(SIGWINCH, PackageManagerFancy::staticSIGWINCH);
	232	instances.push_back(this);
	233	}
	234	std::vector<PackageManagerFancy*> PackageManagerFancy::instances;
	235
	236	PackageManagerFancy::~PackageManagerFancy()
	237	{
	238	instances.erase(find(instances.begin(), instances.end(), this));
	239	signal(SIGWINCH, old_SIGWINCH);
	240	}
	241
	242	void PackageManagerFancy::staticSIGWINCH(int signum)
	243	{
	244	std::vector<PackageManagerFancy *>::const_iterator I;
9ce3cfc9	245	for(I = instances.begin(); I != instances.end(); ++I)
5ed88785 MV	246	(*I)->HandleSIGWINCH(signum);
	247	}
	248
e96e4e9c MV	249	int PackageManagerFancy::GetNumberTerminalRows()
	250	{
	251	struct winsize win;
5ed88785	252	// FIXME: get from "child_pty" instead?
e96e4e9c MV	253	if(ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&win) != 0)
e96e4e9c MV	254	return -1;
5ed88785 MV	255
	256	if(_config->FindB("Debug::InstallProgress::Fancy", false) == true)
	257	std::cerr << "GetNumberTerminalRows: " << win.ws_row << std::endl;
e96e4e9c MV	258
	259	return win.ws_row;
	260	}
c7ea1eba	261
db78c60c	262	void PackageManagerFancy::SetupTerminalScrollArea(int nr_rows)
31f97d7b	263	{
5ed88785 MV	264	if(_config->FindB("Debug::InstallProgress::Fancy", false) == true)
	265	std::cerr << "SetupTerminalScrollArea: " << nr_rows << std::endl;
	266
31f97d7b MV	267	// scroll down a bit to avoid visual glitch when the screen
	268	// area shrinks by one row
	269	std::cout << "\n";
	270
	271	// save cursor
	272	std::cout << "\033[s";
	273
	274	// set scroll region (this will place the cursor in the top left)
5ed88785	275	std::cout << "\033[0;" << nr_rows - 1 << "r";
31f97d7b MV	276
	277	// restore cursor but ensure its inside the scrolling area
	278	std::cout << "\033[u";
	279	static const char *move_cursor_up = "\033[1A";
	280	std::cout << move_cursor_up;
db78c60c	281
5ed88785	282	// ensure its flushed
31f97d7b	283	std::flush(std::cout);
31f97d7b	284
5ed88785 MV	285	// setup tty size to ensure xterm/linux console are working properly too
	286	// see bug #731738
	287	struct winsize win;
	288	ioctl(child_pty, TIOCGWINSZ, (char *)&win);
	289	win.ws_row = nr_rows - 1;
	290	ioctl(child_pty, TIOCSWINSZ, (char *)&win);
e96e4e9c MV	291	}
	292
	293	void PackageManagerFancy::HandleSIGWINCH(int)
	294	{
	295	int nr_terminal_rows = GetNumberTerminalRows();
	296	SetupTerminalScrollArea(nr_terminal_rows);
31f97d7b MV	297	}
31f97d7b MV	298
5ed88785	299	void PackageManagerFancy::Start(int a_child_pty)
31f97d7b	300	{
5ed88785	301	child_pty = a_child_pty;
e96e4e9c	302	int nr_terminal_rows = GetNumberTerminalRows();
db78c60c MV	303	if (nr_terminal_rows > 0)
db78c60c MV	304	SetupTerminalScrollArea(nr_terminal_rows);
31f97d7b MV	305	}
31f97d7b MV	306
a22fdebf	307	void PackageManagerFancy::Stop()
31f97d7b	308	{
e96e4e9c	309	int nr_terminal_rows = GetNumberTerminalRows();
db78c60c MV	310	if (nr_terminal_rows > 0)
	311	{
	312	SetupTerminalScrollArea(nr_terminal_rows + 1);
31f97d7b	313
db78c60c MV	314	// override the progress line (sledgehammer)
	315	static const char* clear_screen_below_cursor = "\033[J";
	316	std::cout << clear_screen_below_cursor;
	317	}
5ed88785	318	child_pty = -1;
31f97d7b MV	319	}
31f97d7b MV	320
6c5ae8ed	321	bool PackageManagerFancy::StatusChanged(std::string PackageName,
31f97d7b	322	unsigned int StepsDone,
e6ad8031 MV	323	unsigned int TotalSteps,
e6ad8031 MV	324	std::string HumanReadableAction)
31f97d7b	325	{
e6ad8031 MV	326	if (!PackageManager::StatusChanged(PackageName, StepsDone, TotalSteps,
e6ad8031 MV	327	HumanReadableAction))
6c5ae8ed	328	return false;
31f97d7b	329
e96e4e9c	330	int row = GetNumberTerminalRows();
31f97d7b MV	331
	332	static string save_cursor = "\033[s";
	333	static string restore_cursor = "\033[u";
	334
	335	static string set_bg_color = "\033[42m"; // green
	336	static string set_fg_color = "\033[30m"; // black
	337
	338	static string restore_bg = "\033[49m";
	339	static string restore_fg = "\033[39m";
	340
	341	std::cout << save_cursor
	342	// move cursor position to last row
	343	<< "\033[" << row << ";0f"
	344	<< set_bg_color
	345	<< set_fg_color
	346	<< progress_str
	347	<< restore_cursor
	348	<< restore_bg
	349	<< restore_fg;
	350	std::flush(std::cout);
	351	last_reported_progress = percentage;
6c5ae8ed MV	352
6c5ae8ed MV	353	return true;
31f97d7b MV	354	}
31f97d7b MV	355
6c5ae8ed	356	bool PackageManagerText::StatusChanged(std::string PackageName,
31f97d7b	357	unsigned int StepsDone,
e6ad8031 MV	358	unsigned int TotalSteps,
e6ad8031 MV	359	std::string HumanReadableAction)
31f97d7b	360	{
e6ad8031	361	if (!PackageManager::StatusChanged(PackageName, StepsDone, TotalSteps, HumanReadableAction))
6c5ae8ed	362	return false;
31f97d7b MV	363
	364	std::cout << progress_str << "\r\n";
	365	std::flush(std::cout);
	366
	367	last_reported_progress = percentage;
6c5ae8ed MV	368
6c5ae8ed MV	369	return true;
31f97d7b MV	370	}
	371
	372
c7ea1eba	373
d3e8fbb3 DK	374	} // namespace progress
d3e8fbb3 DK	375	} // namespace apt