Update README.md

Feature/multi progress

README.md

@@ -9,7 +9,7 @@
   <a href="https://github.com/p-ranav/indicators/blob/master/LICENSE">
     <img src="https://img.shields.io/badge/License-MIT-yellow.svg" alt="license"/>
   </a>
-  <img src="https://img.shields.io/badge/version-1.2-blue.svg?cacheSeconds=2592000" alt="version"/>
+  <img src="https://img.shields.io/badge/version-1.4-blue.svg?cacheSeconds=2592000" alt="version"/>
 </p>
 
 <p align="center">
@@ -23,33 +23,18 @@
 * Source for the above GIF can be found [here](demo/demo.cpp)
 * MIT License
 
+# Table of Contents
+
+* [Progress Bar](#progress-bar)
+* [Block Progress Bar](#block-progress-bar)
+* [Multi Progress](#multiprogress)
+* [Progress Spinner](#progress-spinner)
+* [Contributing](#contributing)
+* [License](#license)
+
 # Progress bar
 
-To introduce a progress bar in your application, include `indicators/progress_bar.hpp` and create a `ProgressBar` object. 
-
-```cpp
-#include <indicators/progress_bar.hpp>
-
-int main() {
-  indicators::ProgressBar bar;
-  
-  // Configure the bar
-  bar.set_bar_width(50);
-  bar.start_bar_with("[");
-  bar.fill_bar_progress_with("=");
-  bar.lead_bar_progress_with(">");
-  bar.fill_bar_remainder_with(" ");
-  bar.end_bar_with("]");
-  bar.set_postfix_text("Getting started");
-  bar.set_foreground_color(indicators::Color::GREEN);
-  
-  // Update bar state
-
-  return 0;
-}
-```
-
-Here's the general structure of a progress bar:
+To introduce a progress bar in your application, include `indicators/progress_bar.hpp` and create a `ProgressBar` object. Here's the general structure of a progress bar:
 
 ```
 {prefix} {start} {fill} {lead} {remaining} {end} {percentage} [{elapsed}<{remaining}] {postfix}
@@ -64,6 +49,10 @@ From application-level code, there are two ways in which you can update this pro
 
 You can update the progress bar using `bar.tick()` which increments progress by exactly `1%`.
 
+<p align="center">
+  <img src="img/progress_bar_tick.gif"/>  
+</p>
+
 ```cpp
 #include <indicators/progress_bar.hpp>
 #include <thread>
@@ -79,7 +68,7 @@ int main() {
   bar.lead_bar_progress_with(">");
   bar.fill_bar_remainder_with(" ");
   bar.end_bar_with("]");
-  bar.set_postfix_text("Getting started");
+  bar.set_postfix_text("Extracting Archive");
   bar.set_foreground_color(indicators::Color::GREEN); 
   
   // Update bar state
@@ -100,110 +89,61 @@ The above code will print a progress bar that goes from 0 to 100% at the rate of
 
 If you'd rather control progress of the bar in discrete steps, consider using `bar.set_progress(value)`. Example:
 
+
+<p align="center">
+  <img src="img/progress_bar_set_progress.gif"/>  
+</p>
+
 ```cpp
+#include <chrono>
 #include <indicators/progress_bar.hpp>
 #include <thread>
-#include <chrono>
 
 int main() {
+
+  // Hide cursor
+  std::cout << "\e[?25l";
+
   indicators::ProgressBar bar;
 
   // Configure the bar
   bar.set_bar_width(50);
   bar.start_bar_with("[");
-  bar.fill_bar_progress_with("=");
-  bar.lead_bar_progress_with(">");
-  bar.fill_bar_remainder_with(" ");
-  bar.end_bar_with("]");
-  bar.set_postfix_text("Getting started");
-  bar.set_foreground_color(indicators::Color::GREEN); 
-  
-  // Update bar state
-  
-  bar.set_progress(10); // 10% done
-  
-  // do some work
-  std::this_thread::sleep_for(std::chrono::milliseconds(100));
-  
-  bar.set_progress(30); // 30% done
-  
-  // do some more work             
-  std::this_thread::sleep_for(std::chrono::milliseconds(600));
-  
-  bar.set_progress(65); // 65% done
-  
-  // do final bit of work
-  std::this_thread::sleep_for(std::chrono::milliseconds(300));
-  
-  bar.set_progress(100); // all done
-  
-  return 0;
-}
-```
-
-## Multi-threaded Example
-
-```cpp
-#include <indicators/progress_bar.hpp>
-#include <vector>
-
-int main() {
-
-  indicators::ProgressBar bar;
-  bar.set_bar_width(50);
-  bar.start_bar_with("[");
   bar.fill_bar_progress_with("■");
   bar.lead_bar_progress_with("■");  
   bar.fill_bar_remainder_with("-");
   bar.end_bar_with(" ]");
-  bar.set_foreground_color(indicators::Color::YELLOW);
+  bar.set_postfix_text("Loading dependency 1/4");  
+  bar.set_foreground_color(indicators::Color::CYAN);
 
-  // As configured, the bar will look like this:
-  //
-  // [■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■-------------] 70%
-  //
-  //
+  // Update bar state
+  bar.set_progress(10); // 10% done
 
-  std::atomic<size_t> index{0};
-  std::vector<std::string> status_text =
-    {
-     "Rocket.exe is not responding",
-     "Finding a replacement engineer",
-     "Buying more snacks",
-     "Assimilating the modding community",
-     "Crossing fingers",
-     "Porting KSP to a Nokia 3310"
-  };
+  // do some work
+  std::this_thread::sleep_for(std::chrono::milliseconds(800));
 
-  // Let's say you want to append some status text to the right of the progress bar
-  // You can use bar.set_postfix_text(...) to append text to the right
-  //
-  // [■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■-------------] 70% Finding a replacement engineer
-  //                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  //
-  //  
+  bar.set_postfix_text("Loading dependency 2/4");  
 
-  auto job = [&bar, &index, &status_text]() {
-    while (true) {
-      if (bar.is_completed()) {
-        break;
-      }
-      bar.set_postfix_text(status_text[index % status_text.size()]);
-      bar.tick();
-      index += 1;
-      std::this_thread::sleep_for(std::chrono::milliseconds(200));
-    }
-  };
+  bar.set_progress(30); // 30% done
 
-  std::thread first_job(job);
-  std::thread second_job(job);
-  std::thread third_job(job);
-  std::thread last_job(job);
+  // do some more work
+  std::this_thread::sleep_for(std::chrono::milliseconds(700));
 
-  first_job.join();
-  second_job.join();
-  third_job.join();
-  last_job.join();
+  bar.set_postfix_text("Loading dependency 3/4");  
+
+  bar.set_progress(65); // 65% done
+
+  // do final bit of work
+  std::this_thread::sleep_for(std::chrono::milliseconds(900));
+
+  bar.set_postfix_text("Loaded dependencies!");
+
+  bar.set_progress(100); // all done
+
+  bar.mark_as_completed();
+
+  // Show cursor
+  std::cout << "\e[?25h";  
 
   return 0;
 }
@@ -297,29 +237,113 @@ int main() {
 }
 ```
 
-# Progress Spinner
+# MultiProgress
 
-To introduce a progress spinner in your application, include `indicators/progress_spinner.hpp` and create a `ProgressSpinner` object. 
+`indicators` supports management of multiple progress bars with the `MultiProgress` class. 
+
+`template <typename Indicator, size_t count> class MultiProgress` is a class template that holds references to multiple progress bars and provides a safe interface to update the state of each bar. `MultiProgress` works with both `ProgressBar` and `BlockProgressBar` classes.
+
+Below is an example `MultiProgress` object that manages three `ProgressBar` objects.
+
+<p align="center">
+  <img src="img/multi_progress.gif"/>  
+</p>
 
 ```cpp
-#include <indicators/progress_spinner.hpp>
+#include <indicators/multi_progress.hpp>
+#include <indicators/progress_bar.hpp>
 
 int main() {
-  indicators::ProgressSpinner spinner;
 
-  // Configure the spinner
-  spinner.set_prefix_text("  ");
-  spinner.set_postfix_text("Checking credentials");
-  spinner.set_foreground_color(indicators::Color::YELLOW);
-  spinner.set_spinner_states({"⠈", "⠐", "⠠", "⢀", "⡀", "⠄", "⠂", "⠁"});
+  // Configure first progress bar
+  indicators::ProgressBar bar1;
+  bar1.set_bar_width(50);
+  bar1.start_bar_with("[");
+  bar1.fill_bar_progress_with("■");
+  bar1.lead_bar_progress_with("■");
+  bar1.fill_bar_remainder_with(" ");
+  bar1.end_bar_with(" ]");
+  bar1.set_foreground_color(indicators::Color::YELLOW);
+  bar1.show_elapsed_time();
+  bar1.show_remaining_time();
+  bar1.set_prefix_text("Progress Bar #1 ");
 
-  // Update spinner state
+  // Configure second progress bar
+  indicators::ProgressBar bar2;
+  bar2.set_bar_width(50);
+  bar2.start_bar_with("[");
+  bar2.fill_bar_progress_with("=");
+  bar2.lead_bar_progress_with(">");
+  bar2.fill_bar_remainder_with(" ");
+  bar2.end_bar_with(" ]");
+  bar2.set_foreground_color(indicators::Color::CYAN);
+  bar2.show_elapsed_time();
+  bar2.show_remaining_time();
+  bar2.set_prefix_text("Progress Bar #2 ");
+
+  // Configure third progress bar
+  indicators::ProgressBar bar3;
+  bar3.set_bar_width(50);
+  bar3.start_bar_with("[");
+  bar3.fill_bar_progress_with("#");
+  bar3.lead_bar_progress_with("#");
+  bar3.fill_bar_remainder_with(" ");
+  bar3.end_bar_with(" ]");
+  bar3.set_foreground_color(indicators::Color::RED);
+  bar3.show_elapsed_time();
+  bar3.show_remaining_time();
+  bar3.set_prefix_text("Progress Bar #3 ");
+
+  // Construct MultiProgress object
+  indicators::MultiProgress<indicators::ProgressBar, 3> bars;
+  bars.insert<0>(bar1);
+  bars.insert<1>(bar2);
+  bars.insert<2>(bar3);
+
+  std::cout << "Multiple Progress Bars:\n";
+
+  auto job1 = [&bars]() {
+    while (true) {
+      bars.tick<0>();
+      if (bars.is_completed<0>())
+        break;
+      std::this_thread::sleep_for(std::chrono::milliseconds(100));
+    }
+  };
+
+  auto job2 = [&bars]() {
+    while (true) {
+      bars.tick<1>();
+      if (bars.is_completed<1>())
+        break;
+      std::this_thread::sleep_for(std::chrono::milliseconds(200));
+    }
+  };
+
+  auto job3 = [&bars]() {
+    while (true) {
+      bars.tick<2>();
+      if (bars.is_completed<2>())
+        break;
+      std::this_thread::sleep_for(std::chrono::milliseconds(60));
+    }
+  };
+
+  std::thread first_job(job1);
+  std::thread second_job(job2);
+  std::thread third_job(job3);
+
+  first_job.join();
+  second_job.join();
+  third_job.join();
 
   return 0;
 }
 ```
 
-Here's the general structure of a progress spinner:
+# Progress Spinner
+
+To introduce a progress spinner in your application, include `indicators/progress_spinner.hpp` and create a `ProgressSpinner` object. Here's the general structure of a progress spinner:
 
 ```
 {prefix} {spinner} {percentage} [{elapsed}<{remaining}] {postfix}
@@ -327,6 +351,10 @@ Here's the general structure of a progress spinner:
 
 ProgressSpinner has a vector of strings: `spinner_states`. At each update, the spinner will pick the next string from this sequence to print to the console. The spinner state can be updated similarly to ProgressBars: Using either `tick()` or `set_progress(value)`. 
 
+<p align="center">
+  <img src="img/progress_spinner.gif"/>  
+</p>
+
 ```cpp
 #include <indicators/progress_spinner.hpp>
 

include/indicators/block_progress_bar.hpp

@@ -131,7 +131,10 @@ private:
   std::atomic<bool> _saved_start_time{false};
   std::chrono::time_point<std::chrono::high_resolution_clock> _start_time_point;
   std::mutex _mutex;
-  Color _foreground_color;
+  Color _foreground_color{indicators::Color::WHITE};
+
+  template <typename Indicator, size_t count> friend class MultiProgress;
+  std::atomic<bool> _multi_progress_mode{false};
 
   std::ostream &_print_duration(std::ostream &os, std::chrono::nanoseconds ns) {
     using namespace std;
@@ -162,7 +165,13 @@ private:
     }
   }
 
-  void _print_progress() {
+  void _print_progress(bool from_multi_progress = false) {
+    if (_multi_progress_mode && !from_multi_progress) {
+      if (_progress > 100.0) {
+        _completed = true;
+      }
+      return;
+    }
     std::unique_lock<std::mutex> lock{_mutex};
     auto now = std::chrono::high_resolution_clock::now();
     auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(now - _start_time_point);
@@ -231,6 +240,9 @@ private:
       auto remaining = eta > elapsed ? (eta - elapsed) : (elapsed - eta);
       _print_duration(std::cout, remaining);
       std::cout << "]";
+    } else {
+      if (_show_elapsed_time)
+        std::cout << "]";
     }
 
     if (_max_postfix_text_length == 0)
@@ -240,7 +252,7 @@ private:
     if (_progress > 100.0) {
       _completed = true;
     }
-    if (_completed)
+    if (_completed && !from_multi_progress) // Don't std::endl if calling from MultiProgress
       std::cout << termcolor::reset << std::endl;
   }
 };

include/indicators/multi_progress.hpp

@@ -0,0 +1,92 @@
+/*
+Activity Indicators for Modern C++
+https://github.com/p-ranav/indicators
+
+Licensed under the MIT License <http://opensource.org/licenses/MIT>.
+SPDX-License-Identifier: MIT
+Copyright (c) 2019 Pranav Srinivas Kumar <pranav.srinivas.kumar@gmail.com>.
+
+Permission is hereby  granted, free of charge, to any  person obtaining a copy
+of this software and associated  documentation files (the "Software"), to deal
+in the Software  without restriction, including without  limitation the rights
+to  use, copy,  modify, merge,  publish, distribute,  sublicense, and/or  sell
+copies  of  the Software,  and  to  permit persons  to  whom  the Software  is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE  IS PROVIDED "AS  IS", WITHOUT WARRANTY  OF ANY KIND,  EXPRESS OR
+IMPLIED,  INCLUDING BUT  NOT  LIMITED TO  THE  WARRANTIES OF  MERCHANTABILITY,
+FITNESS FOR  A PARTICULAR PURPOSE AND  NONINFRINGEMENT. IN NO EVENT  SHALL THE
+AUTHORS  OR COPYRIGHT  HOLDERS  BE  LIABLE FOR  ANY  CLAIM,  DAMAGES OR  OTHER
+LIABILITY, WHETHER IN AN ACTION OF  CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE  OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+#pragma once
+#include <atomic>
+#include <functional>
+#include <indicators/color.hpp>
+#include <iostream>
+#include <mutex>
+#include <vector>
+
+namespace indicators {
+
+template <typename Indicator, size_t count> class MultiProgress {
+public:
+  MultiProgress() { _bars.reserve(count); }
+
+  template <size_t index>
+  typename std::enable_if<(index < count), void>::type insert(Indicator &bar) {
+    _bars.insert(_bars.begin() + index, 1, bar);
+    bar._multi_progress_mode = true;
+  }
+
+  template <size_t index>
+  typename std::enable_if<(index < count), void>::type set_progress(float value) {
+    if (!_bars[index].get().is_completed())
+      _bars[index].get().set_progress(value);
+    _print_progress();
+  }
+
+  template <size_t index> typename std::enable_if<(index < count), void>::type tick() {
+    if (!_bars[index].get().is_completed())
+      _bars[index].get().tick();
+    _print_progress();
+  }
+
+  template <size_t index>
+  typename std::enable_if<(index < count), bool>::type is_completed() const {
+    return _bars[index].get().is_completed();
+  }
+
+private:
+  std::atomic<bool> _started{false};
+  std::mutex _mutex;
+  std::vector<std::reference_wrapper<Indicator>> _bars;
+
+  bool _all_completed() {
+    bool result{true};
+    for (size_t i = 0; i < count; ++i)
+      result &= _bars[i].get().is_completed();
+    return result;
+  }
+
+  void _print_progress() {
+    std::unique_lock<std::mutex> lock{_mutex};
+    if (_started)
+      for (size_t i = 0; i < count; ++i)
+        std::cout << "\x1b[A";
+    for (auto &bar : _bars) {
+      bar.get()._print_progress(true);
+      std::cout << "\n";
+    }
+    std::cout << termcolor::reset;
+    if (!_started)
+      _started = true;
+  }
+};
+
+} // namespace indicators

include/indicators/progress_bar.hpp

@@ -145,7 +145,10 @@ private:
   std::atomic<bool> _saved_start_time{false};
   std::chrono::time_point<std::chrono::high_resolution_clock> _start_time_point;
   std::mutex _mutex;
-  Color _foreground_color;
+  Color _foreground_color{indicators::Color::WHITE};
+
+  template <typename Indicator, size_t count> friend class MultiProgress;
+  std::atomic<bool> _multi_progress_mode{false};
 
   std::ostream &_print_duration(std::ostream &os, std::chrono::nanoseconds ns) {
     using namespace std;
@@ -176,7 +179,13 @@ private:
     }
   }
 
-  void _print_progress() {
+  void _print_progress(bool from_multi_progress = false) {
+    if (_multi_progress_mode && !from_multi_progress) {
+      if (_progress > 100.0) {
+        _completed = true;
+      }
+      return;
+    }
     std::unique_lock<std::mutex> lock{_mutex};
     auto now = std::chrono::high_resolution_clock::now();
     auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(now - _start_time_point);
@@ -239,6 +248,9 @@ private:
       auto remaining = eta > elapsed ? (eta - elapsed) : (elapsed - eta);
       _print_duration(std::cout, remaining);
       std::cout << "]";
+    } else {
+      if (_show_elapsed_time)
+        std::cout << "]";
     }
 
     if (_max_postfix_text_length == 0)
@@ -248,7 +260,7 @@ private:
     if (_progress > 100.0) {
       _completed = true;
     }
-    if (_completed)
+    if (_completed && !from_multi_progress) // Don't std::endl if calling from MultiProgress
       std::cout << termcolor::reset << std::endl;
   }
 };

include/indicators/progress_spinner.hpp

@@ -207,6 +207,9 @@ private:
       auto remaining = eta > elapsed ? (eta - elapsed) : (elapsed - eta);
       _print_duration(std::cout, remaining);
       std::cout << "]";
+    } else {
+      if (_show_elapsed_time)
+        std::cout << "]";
     }
 
     if (_max_postfix_text_length == 0)

samples/CMakeLists.txt

@@ -16,3 +16,9 @@ target_link_libraries(progress_spinner PRIVATE indica::indica)
 
 add_executable(time_meter time_meter.cpp)
 target_link_libraries(time_meter PRIVATE indica::indica)
+
+add_executable(multi_progress_bar multi_progress_bar.cpp)
+target_link_libraries(multi_progress_bar PRIVATE indica::indica)
+
+add_executable(multi_block_progress_bar multi_block_progress_bar.cpp)
+target_link_libraries(multi_block_progress_bar PRIVATE indica::indica)

samples/multi_block_progress_bar.cpp

@@ -0,0 +1,70 @@
+#include <indicators/block_progress_bar.hpp>
+#include <indicators/multi_progress.hpp>
+
+int main() {
+
+  indicators::BlockProgressBar bar1;
+  bar1.set_bar_width(50);
+  bar1.set_foreground_color(indicators::Color::YELLOW);
+  bar1.show_elapsed_time();
+  bar1.show_remaining_time();
+  bar1.set_prefix_text("Progress Bar #1 ");
+
+  indicators::BlockProgressBar bar2;
+  bar2.set_bar_width(50);
+  bar2.set_foreground_color(indicators::Color::CYAN);
+  bar2.show_elapsed_time();
+  bar2.show_remaining_time();
+  bar2.set_prefix_text("Progress Bar #2 ");
+
+  indicators::BlockProgressBar bar3;
+  bar3.set_bar_width(50);
+  bar3.set_foreground_color(indicators::Color::RED);
+  bar3.show_elapsed_time();
+  bar3.show_remaining_time();
+  bar3.set_prefix_text("Progress Bar #3 ");
+
+  indicators::MultiProgress<indicators::BlockProgressBar, 3> bars;
+  bars.insert<0>(bar1);
+  bars.insert<1>(bar2);
+  bars.insert<2>(bar3);
+
+  std::cout << "Multiple Progress Bars:\n";
+
+  auto job1 = [&bars]() {
+    while (true) {
+      bars.tick<0>();
+      if (bars.is_completed<0>())
+        break;
+      std::this_thread::sleep_for(std::chrono::milliseconds(100));
+    }
+  };
+
+  auto job2 = [&bars]() {
+    while (true) {
+      bars.tick<1>();
+      if (bars.is_completed<1>())
+        break;
+      std::this_thread::sleep_for(std::chrono::milliseconds(200));
+    }
+  };
+
+  auto job3 = [&bars]() {
+    while (true) {
+      bars.tick<2>();
+      if (bars.is_completed<2>())
+        break;
+      std::this_thread::sleep_for(std::chrono::milliseconds(60));
+    }
+  };
+
+  std::thread first_job(job1);
+  std::thread second_job(job2);
+  std::thread third_job(job3);
+
+  first_job.join();
+  second_job.join();
+  third_job.join();
+
+  return 0;
+}

samples/multi_progress_bar.cpp

@@ -0,0 +1,85 @@
+#include <indicators/multi_progress.hpp>
+#include <indicators/progress_bar.hpp>
+
+int main() {
+
+  indicators::ProgressBar bar1;
+  bar1.set_bar_width(50);
+  bar1.start_bar_with("[");
+  bar1.fill_bar_progress_with("■");
+  bar1.lead_bar_progress_with("■");
+  bar1.fill_bar_remainder_with(" ");
+  bar1.end_bar_with(" ]");
+  bar1.set_foreground_color(indicators::Color::YELLOW);
+  bar1.show_elapsed_time();
+  bar1.show_remaining_time();
+  bar1.set_prefix_text("Progress Bar #1 ");
+
+  indicators::ProgressBar bar2;
+  bar2.set_bar_width(50);
+  bar2.start_bar_with("[");
+  bar2.fill_bar_progress_with("=");
+  bar2.lead_bar_progress_with(">");
+  bar2.fill_bar_remainder_with(" ");
+  bar2.end_bar_with(" ]");
+  bar2.set_foreground_color(indicators::Color::CYAN);
+  bar2.show_elapsed_time();
+  bar2.show_remaining_time();
+  bar2.set_prefix_text("Progress Bar #2 ");
+
+  indicators::ProgressBar bar3;
+  bar3.set_bar_width(50);
+  bar3.start_bar_with("[");
+  bar3.fill_bar_progress_with("#");
+  bar3.lead_bar_progress_with("#");
+  bar3.fill_bar_remainder_with(" ");
+  bar3.end_bar_with(" ]");
+  bar3.set_foreground_color(indicators::Color::RED);
+  bar3.show_elapsed_time();
+  bar3.show_remaining_time();
+  bar3.set_prefix_text("Progress Bar #3 ");
+
+  indicators::MultiProgress<indicators::ProgressBar, 3> bars;
+  bars.insert<0>(bar1);
+  bars.insert<1>(bar2);
+  bars.insert<2>(bar3);
+
+  std::cout << "Multiple Progress Bars:\n";
+
+  auto job1 = [&bars]() {
+    while (true) {
+      bars.tick<0>();
+      if (bars.is_completed<0>())
+        break;
+      std::this_thread::sleep_for(std::chrono::milliseconds(100));
+    }
+  };
+
+  auto job2 = [&bars]() {
+    while (true) {
+      bars.tick<1>();
+      if (bars.is_completed<1>())
+        break;
+      std::this_thread::sleep_for(std::chrono::milliseconds(200));
+    }
+  };
+
+  auto job3 = [&bars]() {
+    while (true) {
+      bars.tick<2>();
+      if (bars.is_completed<2>())
+        break;
+      std::this_thread::sleep_for(std::chrono::milliseconds(60));
+    }
+  };
+
+  std::thread first_job(job1);
+  std::thread second_job(job2);
+  std::thread third_job(job3);
+
+  first_job.join();
+  second_job.join();
+  third_job.join();
+
+  return 0;
+}

samples/progress_bar_set_progress.cpp

@@ -3,36 +3,50 @@
 #include <thread>
 
 int main() {
+
+  // Hide cursor
+  std::cout << "\e[?25l";
+
   indicators::ProgressBar bar;
 
   // Configure the bar
   bar.set_bar_width(50);
   bar.start_bar_with("[");
-  bar.fill_bar_progress_with("=");
-  bar.lead_bar_progress_with(">");
-  bar.fill_bar_remainder_with(" ");
+  bar.fill_bar_progress_with("■");
+  bar.lead_bar_progress_with("■");  
+  bar.fill_bar_remainder_with("-");
   bar.end_bar_with(" ]");
-  bar.set_postfix_text("Getting started");
-  bar.set_foreground_color(indicators::Color::GREEN);
+  bar.set_postfix_text("Loading dependency 1/4");  
+  bar.set_foreground_color(indicators::Color::CYAN);
 
   // Update bar state
-
   bar.set_progress(10); // 10% done
 
   // do some work
-  std::this_thread::sleep_for(std::chrono::milliseconds(100));
+  std::this_thread::sleep_for(std::chrono::milliseconds(800));
+
+  bar.set_postfix_text("Loading dependency 2/4");  
 
   bar.set_progress(30); // 30% done
 
   // do some more work
-  std::this_thread::sleep_for(std::chrono::milliseconds(600));
+  std::this_thread::sleep_for(std::chrono::milliseconds(700));
+
+  bar.set_postfix_text("Loading dependency 3/4");  
 
   bar.set_progress(65); // 65% done
 
   // do final bit of work
-  std::this_thread::sleep_for(std::chrono::milliseconds(300));
+  std::this_thread::sleep_for(std::chrono::milliseconds(900));
+
+  bar.set_postfix_text("Loaded dependencies!");
 
   bar.set_progress(100); // all done
 
+  bar.mark_as_completed();
+
+  // Show cursor
+  std::cout << "\e[?25h";  
+
   return 0;
 }