On 2016/11/27 09:37 PM, Leslie Turriff wrote: > > > On 2016-11-27 06:03:30 Michele Calgaro wrote: >> On 2016/11/27 11:11 AM, Leslie Turriff wrote: >>> On 2016-11-17 07:17:00 Michele Calgaro wrote: >>>> On 2016/11/17 01:02 PM, Leslie Turriff wrote: >>>>> Hi, >>>>> I'm trying to learn to write a GUI app using the book "C++ GUI >>>>> Programming with Qt 3", which of course is not written with Trinity in >>>>> mind, but hopefully will be enough to get me started. I've already >>>>> figured out that I need to substitute 'tqmake' for 'qmake', but I can't >>>>> get the >>>>> simple 'helloworld' project to actually compile the c++ code. I've got >>>>> the project generated, and I see the code in its src/ directory, but >>>>> when I try to build it (the book says to use 'make') it says "make: >>>>> Nothing to be done for 'first'." >>>> >>>> Take a look at the QT3 tutorial here >>>> https://www.trinitydesktop.org/docs/qt3/tutorial.html >>>> Should be able to get you started with TQt ;-) >>>> Cheers >>>> Michele >>> >>> Okay, I tried that and got exactly the same results. The tutorial you >>> cited even has the same mistaken instruction to use qmake instead of >>> tqmake. >>> >>> Leslie >> >> I tried tutorial 1: copied the code to a .cpp file, followed the exact >> instructions (except replacing qmake with tqmake as you already pointed >> out). Works perfectly on my system. >> This is a pretty basic tutorial ofcourse, no TDE stuff there, no >> tqtinterface. Try to give it a second try :-) >> Cheers >> Michele > Okay, I removed all files from my Tutorial1 directory, and started over. > Here's what I get: > >> @06:19:45,leslie@xxxxxxxxxxxxxxxx >> ~/Documents/SourceCode/QT/Tutorial1 >> $ echo '/**************************************************************** >> ** >> ** Qt tutorial 1 >> ** >> ****************************************************************/ >> >> #include <qapplication.h> >> #include <qpushbutton.h> >> >> >> int main( int argc, char **argv ) >> { >> QApplication a( argc, argv ); >> >> QPushButton hello( "Hello world!", 0 ); >> hello.resize( 100, 30 ); >> >> a.setMainWidget( &hello ); >> hello.show(); >> return a.exec(); >> }' >main.cpp >> @06:20:02,leslie@xxxxxxxxxxxxxxxx >> ~/Documents/SourceCode/QT/Tutorial1 >> $ tree -a >> . >> └── main.cpp >> >> 0 directories, 1 file >> @06:20:21,leslie@xxxxxxxxxxxxxxxx >> ~/Documents/SourceCode/QT/Tutorial1 >> $ tqmake -project >> @06:20:29,leslie@xxxxxxxxxxxxxxxx >> ~/Documents/SourceCode/QT/Tutorial1 >> $ tree -a >> . >> ├── main.cpp >> └── Tutorial1.pro >> >> 0 directories, 2 files >> @06:20:31,leslie@xxxxxxxxxxxxxxxx >> ~/Documents/SourceCode/QT/Tutorial1 >> $ tqmake >> @06:20:38,leslie@xxxxxxxxxxxxxxxx >> ~/Documents/SourceCode/QT/Tutorial1 >> $ tree -a >> . >> ├── main.cpp >> ├── Makefile >> └── Tutorial1.pro >> >> 0 directories, 3 files >> @06:20:40,leslie@xxxxxxxxxxxxxxxx >> ~/Documents/SourceCode/QT/Tutorial1 >> $ make >> > g++ -c -O2 -g -m64 -fmessage-length=0 -D_FORTIFY_SOURCE=2 -fstack-protector -funwind-tables -fasynchronous-unwind-tables -Wall -W -O2 -DQT_NO_DEBUG -I/usr/share/tqt3/mkspecs/default -I. -I. -I/usr/include -I/usr/include/tqt3 -o > main.o main.cpp >> main.cpp:7:26: fatal error: qapplication.h: No such file or directory >> #include <qapplication.h> >> ^ >> compilation terminated. >> Makefile:67: recipe for target 'main.o' failed >> make: *** [main.o] Error 1 >> @06:20:46,leslie@xxxxxxxxxxxxxxxx >> ~/Documents/SourceCode/QT/Tutorial1 >> $ tree -a >> . >> ├── main.cpp >> ├── Makefile >> └── Tutorial1.pro >> >> 0 directories, 3 files > > So, different, but still not working. I searched for qapplication.h and found > it in /usr/include/tqt/QT/, but adding -I/usr/include/tqt/QT/ to the Makefile > INCPATH made no difference. > >> @06:32:33,leslie@xxxxxxxxxxxxxxxx >> ~/Documents/SourceCode/QT/Tutorial1 >> $ make >> > g++ -c -O2 -g -m64 -fmessage-length=0 -D_FORTIFY_SOURCE=2 -fstack-protector -funwind-tables -fasynchronous-unwind-tables -Wall -W -O2 -DQT_NO_DEBUG -I/usr/share/tqt3/mkspecs/default -I. -I. -I/usr/include -I/usr/include/tqt3 -I/usr/include/tqt/QT/ -o > main.o main.cpp >> main.cpp:7:26: fatal error: qapplication.h: No such file or directory > > #include <qapplication.h> > > ^ >> compilation terminated. >> Makefile:67: recipe for target 'main.o' failed >> make: *** [main.o] Error 1 > > Leslie > Sorry, my bad, I never realized the code in the online tutorial and the offline one are different :-( I actually went through the same tutorial from the tqt3 local documents, found in /usr/share/tqt3/doc/html/tutorial1-01.html This is basically the same page as the online one, but there are small differences in the include files and Qt objects. ------------------------------ #include <ntqapplication.h> #include <ntqpushbutton.h> int main( int argc, char **argv ) { TQApplication a( argc, argv ); TQPushButton hello( "Hello world!", 0 ); hello.resize( 100, 30 ); a.setMainWidget( &hello ); hello.show(); return a.exec(); } ------------------------------- Please try again and let us know. Cheers Michele
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