Difference between revisions of "Development/Tutorials/Printing Hello World"

Jump to: navigation, search
(everybody, stop this moving target. Keep KAboutData stable :()
(Next)
 
(4 intermediate revisions by one user not shown)
Line 1: Line 1:
 
== The mission ==
 
== The mission ==
  
Print '''Hello World''' on your printer.
+
Print '''Hello World''' on your printer. There will be no more dialog to confirm how many pages you want or the like.
  
== The code ==
+
== The files ==
 +
'''main.cpp'''
 
<syntaxhighlight lang="cpp-qt" line>
 
<syntaxhighlight lang="cpp-qt" line>
 
#include <qpainter.h>
 
#include <qpainter.h>
Line 54: Line 55:
 
</syntaxhighlight>
 
</syntaxhighlight>
  
== How to compile ==
+
'''CMakeLists.txt'''
 
+
=== CMakeLists.txt ===
+
 
+
 
<syntaxhighlight lang="text">
 
<syntaxhighlight lang="text">
 
find_package(KDE4 REQUIRED)
 
find_package(KDE4 REQUIRED)
 
include_directories( ${KDE4_INCLUDES} )
 
include_directories( ${KDE4_INCLUDES} )
kde4_add_executable(printhelloworld printtest.cpp)
+
kde4_add_executable(printhelloworld main.cpp)
 
target_link_libraries(printhelloworld ${KDE4_KDEUI_LIBS} ${QT_QTGUI_LIBRARY})
 
target_link_libraries(printhelloworld ${KDE4_KDEUI_LIBS} ${QT_QTGUI_LIBRARY})
 
</syntaxhighlight>
 
</syntaxhighlight>
  
 
=== Make and Run ===
 
=== Make and Run ===
 
+
To build and run it, make sure you have your build environment set up correctly as described [[Getting_Started/Build|here]], then do:
Then do:
+
 
  cmake .
 
  cmake .
 
  make
 
  make
 
  ./printhelloworld
 
  ./printhelloworld
 +
 +
== Next ==
 +
Next: [[Development/Tutorials/Printing_Print_Dialog|How to use the KDE print dialog in your programs]]
  
 
[[Category:KDE4]]
 
[[Category:KDE4]]
 
[[Category:C++]]
 
[[Category:C++]]

Latest revision as of 19:11, 25 September 2011

Contents

[edit] The mission

Print Hello World on your printer. There will be no more dialog to confirm how many pages you want or the like.

[edit] The files

main.cpp

  1. #include <qpainter.h>
  2. #include <qprinter.h>
  3. #include <kapplication.h>
  4. #include <kaboutdata.h>
  5. #include <kmessagebox.h>
  6. #include <kcmdlineargs.h>
  7.  
  8. /*
  9. This prints Hello World on your printer
  10. */
  11.  
  12. int main(int argc, char *argv[])
  13. {
  14.     KAboutData aboutData(
  15.                          // The program name used internally.
  16.                          "tutorial-printing",
  17.                          // The message catalog name
  18.                          // If null, program name is used instead.
  19.                          0,
  20.                          // A displayable program name string.
  21.                          ki18n("Printing Tutorial"),
  22.                          // The program version string.
  23.                          "1.0",
  24.                          // Short description of what the app does.
  25.                          ki18n("Displays a KMessageBox popup"),
  26.                          // The license this code is released under
  27.                          KAboutData::License_GPL,
  28.                          // Copyright Statement
  29.                          ki18n("(c) 2006-2011"),
  30.                          // Optional text shown in the About box.
  31.                          // Can contain any information desired.
  32.                          ki18n("Some text..."),
  33.                          // The program homepage string.
  34.                          "http://example.com/",
  35.                          // The bug report email address
  36.                          "submit@bugs.kde.org");
  37.     KCmdLineArgs::init( argc, argv, &aboutData );
  38.     KApplication app;
  39.  
  40.     QPrinter printer;
  41.     printer.setFullPage(true);
  42.     QPainter painter;
  43.     painter.begin(&printer);
  44.     painter.drawText(100,100,"Hello World");
  45.     painter.end(); 
  46.     // this makes the print job start
  47. }

CMakeLists.txt

find_package(KDE4 REQUIRED)
include_directories( ${KDE4_INCLUDES} )
kde4_add_executable(printhelloworld main.cpp)
target_link_libraries(printhelloworld ${KDE4_KDEUI_LIBS} ${QT_QTGUI_LIBRARY})

[edit] Make and Run

To build and run it, make sure you have your build environment set up correctly as described here, then do:

cmake .
make
./printhelloworld

[edit] Next

Next: How to use the KDE print dialog in your programs


This page was last modified on 25 September 2011, at 19:11. This page has been accessed 13,082 times. Content is available under Creative Commons License SA 3.0 as well as the GNU Free Documentation License 1.2.
KDE® and the K Desktop Environment® logo are registered trademarks of KDE e.V.Legal