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Qt Programming Language

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  • A Offline
    A Offline
    Annabelle
    wrote on 22 Sept 2017, 05:07 last edited by
    #43

    I'm still a bit confused on how to make the finished program. I can't access the Qt Creator, since my screenreader, or any screenreaders, for that matter, won't recognize image-based icons. Is there a way for someone blind like me to create a finished program such as the app I'm putting together, after compiling the source code in Notepad++?

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    • S Offline
      S Offline
      sierdzio
      Moderators
      wrote on 22 Sept 2017, 05:43 last edited by
      #44

      Do you have the code ready, with a .pro file (it is a project definition file that Qt uses to compile applications)? If yes, then you can compile your project from the command line. Open cmd.exe (I guess you are on Windows operating system) and type:

      qmake yourprojectname.pro
      make
      

      That should be enough, assuming your environment is prepared (qmake and compiler are both set up in PATH system variable).

      As a side note, as far as I know there is an accessibility team working at Qt Company, I'm sure they will be happy to hear how both Qt and Qt Creator can be improved to help blind people. You can try reaching them at qt-creator@qt-project.org. You can also subscribe to Qt Creator mailing list here: http://lists.qt-project.org/mailman/listinfo/qt-creator.

      (Z(:^

      A 1 Reply Last reply 8 Oct 2017, 18:38
      1
      • M mrjj
        21 Sept 2017, 17:06

        @Annabelle
        So you can compile it already?
        Or is it the compiling part that is hard to do ?

        Can the JAWS read a command prompt ?

        A Offline
        A Offline
        Annabelle
        wrote on 22 Sept 2017, 13:16 last edited by
        #45

        @mrjj said in Qt Programming Language:

        @Annabelle
        So you can compile it already?
        Or is it the compiling part that is hard to do ?

        Can the JAWS read a command prompt ?

        I can make the source code, it's the compiling the finished program part that's hard. Yes, JAWS can read a Command Prompt. What do I do in there?

        A 1 Reply Last reply 22 Sept 2017, 17:57
        0
        • A Offline
          A Offline
          Allanis
          wrote on 22 Sept 2017, 14:22 last edited by
          #46

          Hi, you will need to create a .pro file which gives instructions on how to build your application. http://doc.qt.io/qt-4.8/qmake-project-files.html

          Once you have have this. you can do as instructed by @sierdzio in CMD.

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          • A Annabelle
            22 Sept 2017, 13:16

            @mrjj said in Qt Programming Language:

            @Annabelle
            So you can compile it already?
            Or is it the compiling part that is hard to do ?

            Can the JAWS read a command prompt ?

            I can make the source code, it's the compiling the finished program part that's hard. Yes, JAWS can read a Command Prompt. What do I do in there?

            A Offline
            A Offline
            Allanis
            wrote on 22 Sept 2017, 17:57 last edited by Allanis
            #47

            @Annabelle Sorry, I was at work when I made my initial response to this thread. A more elaborate answer for you follows as I take it you are beginning in Qt and it may be difficult for you to look up resources.

            Given the scope of your project I think it will suffice to use a simple Qmake project file such as:

            myapp.pro

            TEMPLATE = app
            
            QT += widgets
            
            SOURCES += main.cpp \
                MainWindow.cpp \
                SpouseWidget.cpp
            
            HEADERS += \
                MainWindow.h \
                SpouswWidget.h
            
            OTHER_FILES += \
                anyotherfile.png
            

            You may need to make changes to this in order to fit the needs of your project, but this should be a good enough example for you.

            Once you have this in place, you can open up your favorite Command Line Interface (eg. cmd.exe for Windows).

            Type:

            qmake myapp.pro
            make
            

            Your compiler will generate a binary file for your application at this point.

            I hope this helps,
            Have fun.

            A A 2 Replies Last reply 26 Sept 2017, 21:55
            0
            • A Offline
              A Offline
              Annabelle
              wrote on 22 Sept 2017, 19:54 last edited by
              #48

              Another thing I'd like to do is make icons for the push buttons, radio buttons, combo boxes, and checkboxes. I'd like to find out, is it OK for me to use unicode symbols as icons? For example:
              In the welcome screen, there are the following Radio Buttons
              âš­ (Wedding Ceremony Radio Button)
              ~⛲ (Baptism Ceremony Radio Button)
              ⛼ (Funeral Ceremony Radio Button)
              For the Spouse Genders, there should be the following Icons:
              👰 (Bride Radio Button)
              🤵 (Groom Radio Button)
              For the Baptism Person Types, there should be the following Icons:
              👦👶👧 (Infant Radio Button)
              👦👧 (Child Radio Button)
              👦👨👧👩 (Youth Radio Button)
              👨👴👩👵 (Adult Radio Button)
              For the Funeral Ceremony Types, there should be the following icons:
              âš° (Funeral Radio Button)
              âš± (Memorial Service Radio Button)
              Note that some of the icons are composed of two or more unicode characters put together, as I couldn't find separate unicode symbols to represent them.

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              • A Offline
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                Allanis
                wrote on 22 Sept 2017, 20:24 last edited by
                #49

                You should be able to use QString::fromUtf8() for this: http://doc.qt.io/qt-5/qstring.html#fromUtf8

                A 1 Reply Last reply 22 Sept 2017, 22:06
                1
                • A Allanis
                  22 Sept 2017, 20:24

                  You should be able to use QString::fromUtf8() for this: http://doc.qt.io/qt-5/qstring.html#fromUtf8

                  A Offline
                  A Offline
                  Annabelle
                  wrote on 22 Sept 2017, 22:06 last edited by
                  #50

                  @Allanis said in Qt Programming Language:

                  You should be able to use QString::fromUtf8() for this: http://doc.qt.io/qt-5/qstring.html#fromUtf8

                  Could you please be so kind as to give me an example of what one of my icons would look like with the QString::fromUtf8() code? For example: 👦👶👧

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                  • A Offline
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                    Allanis
                    wrote on 22 Sept 2017, 22:53 last edited by Allanis
                    #51

                    Sure. I'm not sure exactly what you mean. Do you want an image or a code example? either way I whipped up a quick example to demonstrate what it would look like. Here's an image.

                    0_1506120620297_annabelle.png

                    Given that your first post mentioned you where visually impaired, I think I may have misunderstood your meaning, so here's an example in code:

                      QRadioButton* rb = new QRadioButton();
                      QString str = QString::fromUtf8("<Utf-8 code> Button Name");
                      rb->setText(str);
                    

                    Where <Utf-8 code> = the character you wish to display.
                    Pretty sure there is a nicer way to do it. But I'm off to bed. That should get you started though.

                    A 1 Reply Last reply 22 Sept 2017, 23:49
                    0
                    • A Allanis
                      22 Sept 2017, 22:53

                      Sure. I'm not sure exactly what you mean. Do you want an image or a code example? either way I whipped up a quick example to demonstrate what it would look like. Here's an image.

                      0_1506120620297_annabelle.png

                      Given that your first post mentioned you where visually impaired, I think I may have misunderstood your meaning, so here's an example in code:

                        QRadioButton* rb = new QRadioButton();
                        QString str = QString::fromUtf8("<Utf-8 code> Button Name");
                        rb->setText(str);
                      

                      Where <Utf-8 code> = the character you wish to display.
                      Pretty sure there is a nicer way to do it. But I'm off to bed. That should get you started though.

                      A Offline
                      A Offline
                      Annabelle
                      wrote on 22 Sept 2017, 23:49 last edited by
                      #52

                      @Allanis said in Qt Programming Language:

                      Sure. I'm not sure exactly what you mean. Do you want an image or a code example? either way I whipped up a quick example to demonstrate what it would look like. Here's an image.

                      0_1506120620297_annabelle.png

                      Given that your first post mentioned you where visually impaired, I think I may have misunderstood your meaning, so here's an example in code:

                        QRadioButton* rb = new QRadioButton();
                        QString str = QString::fromUtf8("<Utf-8 code> Button Name");
                        rb->setText(str);
                      

                      Where <Utf-8 code> = the character you wish to display.
                      Pretty sure there is a nicer way to do it. But I'm off to bed. That should get you started though.

                      So are you thinking I should write something like:
                      QRadioButton* rb = new QRadioButton();
                      QString str = QString::fromUtf8("<👰> Button Name");
                      rb->setText(str);
                      And for "Button Name", would it be something like:
                      QRadioButton* rb = new QRadioButton();
                      QString str = QString::fromUtf8("<👰> Bride");
                      rb->setText(str);
                      Something along those lines?

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                      • A Offline
                        A Offline
                        Allanis
                        wrote on 22 Sept 2017, 23:54 last edited by
                        #53

                        Yeah that will work. But remove the <> from around your unicode character. I only placed them their as placeholder. It will work by placing the unicode character in your source file as you have done, but I would recommend finding the value for it instead. I'm replying from my phone so I can't look ot up for you.

                        A 1 Reply Last reply 23 Sept 2017, 17:32
                        0
                        • A Allanis
                          22 Sept 2017, 23:54

                          Yeah that will work. But remove the <> from around your unicode character. I only placed them their as placeholder. It will work by placing the unicode character in your source file as you have done, but I would recommend finding the value for it instead. I'm replying from my phone so I can't look ot up for you.

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                          Annabelle
                          wrote on 23 Sept 2017, 17:32 last edited by
                          #54

                          @Allanis said in Qt Programming Language:

                          Yeah that will work. But remove the <> from around your unicode character. I only placed them their as placeholder. It will work by placing the unicode character in your source file as you have done, but I would recommend finding the value for it instead. I'm replying from my phone so I can't look ot up for you.

                          @Allanis said in Qt Programming Language:

                          Yeah that will work. But remove the <> from around your unicode character. I only placed them their as placeholder. It will work by placing the unicode character in your source file as you have done, but I would recommend finding the value for it instead. I'm replying from my phone so I can't look ot up for you.

                          By value, do you mean the Unicode value? Or do you mean the hexidecimal value? I'm confused!

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                            Allanis
                            wrote on 23 Sept 2017, 18:18 last edited by Allanis
                            #55

                            @Annabelle said in Qt Programming Language:

                            👰

                            Sorry, I wasn't too clear. You should use the UCN for example: '\u2639' will represent ☹
                            There can be problems with this as compilers are required to support only the basic source characters. I'm not sure if Qt gives you much help in way of UCN's so if it doesn't display the character for you, use the literal '☹' in your source, and perhaps see if someone else can help you with the use of UCN as I'm not so sure without reading up on it. Perhaps also try reading up on character sets to understand encodings.

                            Edit:
                            I just checked up the code for 👧

                              QString str1 = QString::fromUtf8("\U0001F467 Button 1");
                            
                            A 1 Reply Last reply 23 Sept 2017, 21:31
                            0
                            • A Allanis
                              23 Sept 2017, 18:18

                              @Annabelle said in Qt Programming Language:

                              👰

                              Sorry, I wasn't too clear. You should use the UCN for example: '\u2639' will represent ☹
                              There can be problems with this as compilers are required to support only the basic source characters. I'm not sure if Qt gives you much help in way of UCN's so if it doesn't display the character for you, use the literal '☹' in your source, and perhaps see if someone else can help you with the use of UCN as I'm not so sure without reading up on it. Perhaps also try reading up on character sets to understand encodings.

                              Edit:
                              I just checked up the code for 👧

                                QString str1 = QString::fromUtf8("\U0001F467 Button 1");
                              
                              A Offline
                              A Offline
                              Annabelle
                              wrote on 23 Sept 2017, 21:31 last edited by
                              #56

                              @Allanis said in Qt Programming Language:

                              @Annabelle said in Qt Programming Language:

                              👰

                              Sorry, I wasn't too clear. You should use the UCN for example: '\u2639' will represent ☹
                              There can be problems with this as compilers are required to support only the basic source characters. I'm not sure if Qt gives you much help in way of UCN's so if it doesn't display the character for you, use the literal '☹' in your source, and perhaps see if someone else can help you with the use of UCN as I'm not so sure without reading up on it. Perhaps also try reading up on character sets to understand encodings.

                              Edit:
                              I just checked up the code for 👧

                                QString str1 = QString::fromUtf8("\U0001F467 Button 1");
                              

                              So for Bride:

                              QString str1 = QString::fromUtf8("\U0001F470 Button 1");
                              -> Set Text = "Bride";

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                              • A Offline
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                                Allanis
                                wrote on 23 Sept 2017, 21:33 last edited by
                                #57

                                @Annabelle said in Qt Programming Language:

                                \U0001F470

                                That's right. You've got it.

                                A 1 Reply Last reply 23 Sept 2017, 22:51
                                0
                                • A Allanis
                                  23 Sept 2017, 21:33

                                  @Annabelle said in Qt Programming Language:

                                  \U0001F470

                                  That's right. You've got it.

                                  A Offline
                                  A Offline
                                  Annabelle
                                  wrote on 23 Sept 2017, 22:51 last edited by
                                  #58

                                  @Allanis said in Qt Programming Language:

                                  @Annabelle said in Qt Programming Language:

                                  \U0001F470

                                  That's right. You've got it.

                                  So would this look right?

                                  QString str1 = QString::fromUtf8("\U0001F470 Button 1");
                                  -> Set Text = "Bride";
                                  Not quite sure how to do the "Set Text" part, so I did the best I could when writing the code. So how would I compile the full version of the radio button? Would it look something like this?
                                  QRadioButton *button = new QRadioButton ("Bride", this);
                                  QString str1 = QString::fromUtf8("\U0001F470 Button 1");
                                  -> Set Text = "Bride";

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                                    Allanis
                                    wrote on 23 Sept 2017, 23:01 last edited by
                                    #59
                                    QRadioButton* button = new QRadioButton();
                                    QString str1 = QString::fromUtf8("\U0001F470 Bride");
                                    button->setText(str1);
                                    

                                    I would suggest reading a book to get yourself better acquainted with C++. Otherwise you will encounter many pitfalls.

                                    A 1 Reply Last reply 24 Sept 2017, 02:20
                                    0
                                    • A Allanis
                                      23 Sept 2017, 23:01
                                      QRadioButton* button = new QRadioButton();
                                      QString str1 = QString::fromUtf8("\U0001F470 Bride");
                                      button->setText(str1);
                                      

                                      I would suggest reading a book to get yourself better acquainted with C++. Otherwise you will encounter many pitfalls.

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                                      Annabelle
                                      wrote on 24 Sept 2017, 02:20 last edited by
                                      #60

                                      @Allanis said in Qt Programming Language:

                                      QRadioButton* button = new QRadioButton();
                                      QString str1 = QString::fromUtf8("\U0001F470 Bride");
                                      button->setText(str1);
                                      

                                      I would suggest reading a book to get yourself better acquainted with C++. Otherwise you will encounter many pitfalls.

                                      Are there any books out there that are available in Braille? Since that's the primary format which I read. If that's not possible, is there a .chm help file that can explain the language in detail?

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                                        Allanis
                                        wrote on 24 Sept 2017, 09:04 last edited by
                                        #61

                                        It may be difficult to find such a technical book in Braille. I had a look but came up empty. You can find a copy of "C++ gui programming with qt4 2nd edition" in .chm.

                                        https://github.com/sherlock/qt?files=1

                                        I think your screen reader should be ok to read epub? If so you could pickup most textbooks from amazon or something.

                                        A 1 Reply Last reply 24 Sept 2017, 15:56
                                        0
                                        • A Allanis
                                          24 Sept 2017, 09:04

                                          It may be difficult to find such a technical book in Braille. I had a look but came up empty. You can find a copy of "C++ gui programming with qt4 2nd edition" in .chm.

                                          https://github.com/sherlock/qt?files=1

                                          I think your screen reader should be ok to read epub? If so you could pickup most textbooks from amazon or something.

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                                          Annabelle
                                          wrote on 24 Sept 2017, 15:56 last edited by
                                          #62

                                          @Allanis said in Qt Programming Language:

                                          It may be difficult to find such a technical book in Braille. I had a look but came up empty. You can find a copy of "C++ gui programming with qt4 2nd edition" in .chm.

                                          https://github.com/sherlock/qt?files=1

                                          I think your screen reader should be ok to read epub? If so you could pickup most textbooks from amazon or something.

                                          I tried searching for the .chm file "C++ gui programming with qt4 2nd
                                          edition" on the link you provided, but it says "No Matching Files Found". Where do I go next?

                                          M 1 Reply Last reply 24 Sept 2017, 17:09
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