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Last successfully tested: 30.11.2017
Chapter 12 to 16 of Bjarne Stroustrup’s – “Programming Principles and Practice Using C++” uses a GUI library called FLTK (Fast Light Tool Kit, “full tick”). This guide demonstrates how to download, compile from source, build and use the fltk version 1.3.4 with Visual Studio 2017 Community.
This is actually the second guid I am doing for installing fltk-1.3.4. I got some feedback from fltk.org for my last guide and they suggested to rather “add the include and library paths to your project, to point at the fltk build-products in their native build directories.” to prevent cross-contamination. So this is what I did here, hope this works for you:
Step 1: Downloading fltk-1.3.4.
Go to: http://www.fltk.org/index.php
Go to the download tab and click on fltk-1.3.4-1-source.tar.gz
The fltk-1.3.4-1-source.tar.gz should be automatically downloaded.
I used winRar to extract fltk-1.3.4-1-source.tar.gz to my documents folder.
Step 2: Compiling and building fltk-1.3.4 from source.
Go to your extracted fltk-1.3.4 folder. In my case C:\Users\Philipp\Documents\dev\fltk-1.3.4-1-source\fltk-1.3.4-1\ide\VisualC2010
Open (double-click) fltk.sln.
Visual Studio 2017 Community will open, and ask you if you want to update the files.
Click OK and wait for a few moments.
Your window will look like this:
Right-click the demo solution file.
Click on Set as StartUp Project.
Now click on Build and Build Solution.
After a couple of moments your Output window shows Build: 79 succeeded…
Make sure to set Debug mode.
Press F5 on your keyboard. Or the playbutton on top of your canvas Local Windows Debugger.
So far so good. You should get two windows, one console window and another one showing the fltk-test layout.
Now change the Debug mode to Release mode on the top left corner of your Visual Studio window.
Again: Press F5 on your keyboard. Or the playbutton on top of your canvas Local Windows Debugger to run your project.
You should now see the fltk-test layout and no console window.
Done compiling and test-running. Excellent, that’s all done. Now lets setup a new project and see if Visual Studio 2017 Community is able to locate and use the files we just copied over.
Let’s open Visual Studio 2017 Community (or any other of course) and under the Visual C++ – Windows Desktop tab create a new Windows Desktop Wizard project.
Tick the box Empty project (very important).
I called it fltk_test.
In your newly created Empty Project right click the Source Files folder and Add a New Item which is going to be a .cpp file.
I called it fltk_test.cpp.
Copy the following code into your .cpp file:
Fl_Window window(200, 200, “Window title”);
Fl_Box box(0, 0, 200, 200, “Hey, I mean, Hello, World!”);
(NOTE: The following Properties setup needs to be done for every new fltk project you are creating! I will tell you later to come back to this point.)
Then go to your top navigation bar and click Project and in the drop-down menu Properties.
Make sure to set the Configuration to Debug.
On your left hand side go to Linker.
Click on the drop-down arrow in the Additional Dependencies tab.
And click on Edit.
A new window will pop up. In the screenshot shown I filled in already the following entries:
Please do the same.
Click OK to confirm your entry.
Now go to System.
And set the SubSystem to Console (/SUBSYSTEM:CONSOLE) with the help of the drop-down menu.
Adding include and library paths to your Visual Studio project.
Now you need to make sure Visual Studio and your fltk-1.3.4 project knows where the directory and libraries of fltk-1.3.4 are (explained in the next paragraph):
NOTE: I tested everything beforehand therefor the entries I made were already implemented, I just walked my steps back and took pictures of everything. So in your case fields for the directories might be empty or look different.
Set your Configuration setting to All Configurations again.
Choose VC++ Directories in the left hand side Menu.
Under Library Directories, click the drop down menu arrow and click <Edit…>
You should see something like this:
Now, make a new entry and fill in the native lib folder in your fltk-1.3.4 directory, in my case: C:\Users\Philipp\Documents\dev\fltk-1.3.4-1-source\fltk-1.3.4-1\lib
Accept your entry and click OK. Now under the C/C++ tab go to General.
Use the dropdown menu of Additional Include Directories and click <Edit…>
In the top field make a new entry and enter the directory of your fltk-1.3.4-1 folder, in my case: C:\Users\Philipp\Documents\dev\fltk-1.3.4-1-source\fltk-1.3.4-1
Click OK and Apply and hit F5 to test-run the project.
If you have done everything I told you so far your project should compile and run and show something like this:
(IF THIS DOES NOT SHOW UP SCROLL FURTHER DOWN!)
At this point maybe people experience an error message saying “… cannot open include file ‘x11/xlib.h’ no such file or directory …”. Here is how to fix this:
(If everything works for you just fine, please skip ahead!)
Double click the error message in your errors tab, the x.H file will open in Visual Studio 2017 Community as a new tab, if not go to your External Dependencies folder in your Solution Explorer within Visual Studio and look for the file manually and open it. As you may notice already, the errors will be underlined in curly red.
Now go to line 28, between # include “Enumerations.H” on line 27 and # ifdef WIN32 and include # define WIN32 like this:
# include “Enumerations.H”
# define WIN32
# ifdef WIN32
Safe the file and you should be good to go, now: Hit F5 to test-run the project and it should look like this:
Great, now go back to your Properties – Project and Properties.
And chose from the Configuration Release.
On the left hand side to Linker and then to Input, just like you did before.
Click on the drop-down arrow to show the Additional Dependencies menu and select Edit.
Copy paste the following entries into the empty field (I filled them out already, Note: Since this is the Release Category there is no d for debug in the .lib names):
Click OK and go to Sysyem.
Set the SubSystem to Windows (/SUBSYSTEM:WINDOWS), which can be found in the drop-down menu and click OK.
Apply your changes and exit your Properties window with OK.
Now change the Solution Configurations to Release.
And run your project by pressing F5 on your keyboard, or the playbutton on the top of your canvas Local Windows Debugger.
If everything went well you should be able to look at something like this (application window with the fltk-interface and no console window):
If you got to this point: Congratulations, you made it!
For who ever was interested in just getting the fltk-1.3.4 GUI library running and applying it on a test project, this is the end of your journey and this guide. If you are working through Bjarne Stroustrup’s Programming Principles and Practice Using C++ and you are in Chapter 12 starting to use fltk keep on reading for instructions on how to use it within the “Stroustrup”-environment:
Step 4: Using fltk-1.3.4 with Bjarne Stroustrup’s header and .cpp files.
Safe your fltk test-project and create a new project. Under the Visual C++ – Windows Desktop tab create a new Windows Desktop Wizard project, just like you did before (I will go through this a bit faster as you should be familiar by now).
Tick the box Empty project (very important).
I called mine BS_PPP_Cpp_fltk.
Right-click the Source Files folder in your Solution Explorere and Add a New Item. Create a new .cpp file, I called mine p437_d_1_.cpp.
Copy and paste the following code from Bjarne Stroustrup’s Programming Principles and Practice Using C++, Drill 1 page 437:
using namespace Graph_lib;
Point tl(150, 150);
Simple_window win(tl, 600, 400, “My window”);
Go to Project and Properties and setup your project in the exact same way we did with our fltk test-project above.
Now this time, we have to add a couple of header files from Bjarne Stroustrup, and also some additional .cpp files.
Let’s begin with the header files:
Most of the people reading, working through Programming Principles and Practice Using C++ included the std_lib_facilities.h already many times so for who ever does not know where to get it from, this is the link. Download it and copy it in your project folder (in my case: C:\Users\Philipp\Documents\Visual Studio 2017\Projects\BS_PPP Cpp_fltk\BS_PPP_Cpp_fltk\BS_PPP_Cpp_fltk).
As well as the following header files:
and while your on it also download and copy the following .cpp files into your project directory (as mentioned above):
Right-click the Header Files folder in your project’s solution explorer. Add an Existing Item.
Once you added all your header files the Header Files folder should look like this:
Now also add the .cpp files: Graph.cpp, GUI.cpp and Window.cpp to your Source Files folder. Your Source Files folder should look like this:
Your project directory folder and your Solution Explorer in Visual Studio 2017 should look like this:
Now you are almost there. We just have to make a couple of changes to those Added files.
Open the Point.h header file by double clicking it:
Remove all the notation double forward-slashes:
Open the GUI.cpp file by double clicking it:
Add Graph_lib:: in front of Window& of Button::attach (line 8)
In_box::attach (line 30) and Out_box::attach (line 49).
and remove or notate the constructor Menu::Menu as it is already defined in GUI.cpp.
Open the Graph.cpp file:
And go to line 313. Change return ff; to return bool(ff);
The last change you have to make is in Graph.h, open and #include “std_lib_facilities.h”:
This is it. Now safe all your files and run your project. I like to just hit F5.
If everything goes right and you were able to follow my instructions you should be able to see the following:
CONGRATULATION, ALL DONE!
If you made it so far and everything worked out I am very happy I could help you. At this point I should mention Benjamin Wuethrich. I followed his tutorial on installing and using fltk on Visual Studio 2015 and with the help of a bunch of other peoples forum posts and other informations I was able to transfer the knowledge to make it happen on Visual Studio 2017 Community. So thanks to Benjamin Wuethrich. His tutorial for Visual Studio 2015 can be found here.
Thank you for going through this with me, if you have any questions I am very happy to help. Also if you have any suggestions for improvement, please let me know.
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304 North Cardinal St.
Dorchester Center, MA 02124