qt: Drop Qt4 support

CMakeLists.txt

@@ -64,19 +64,6 @@ if(PkgConfig_FOUND)
     endif()
 endif()
 
-find_package(Qt4 COMPONENTS QtCore QtGui)
-if(QT4_FOUND)
-    set(CMAKE_AUTOMOC ON)
-    add_executable(qt4autoclick
-        ${SOURCE_COMMON}
-        clickwidget.cpp
-        clickwidget.h
-        guiqt.cpp
-    )
-    target_link_libraries(qt4autoclick x11clicker Qt4::QtCore Qt4::QtGui)
-    install(TARGETS qt4autoclick DESTINATION bin)
-endif()
-
 find_package(Qt5 COMPONENTS Widgets)
 if(Qt5_FOUND)
     set(CMAKE_AUTOMOC ON)

INSTALL

@@ -1,5 +1,5 @@
 Be sure you have the proper development packages for your distribution
-installed. For example, on Debian you need at least one of libqt4-dev, qtbase5-dev,
+installed. For example, on Debian you need at least one of qtbase5-dev,
 libgtk-3-dev or libfltk1.3-dev. Also, be sure to have the XTest extension
 and its development files. Again, on Debian, you need libxtst6 and libxtst-dev.
 

README

@@ -2,7 +2,7 @@ This autoclicker application enables you to automatically click the left mousebu
 
 Possible fields of use are (obviously) programs that require a lot of repetitive clicking, but it can also be used to click restart every ten minutes in a presentation program.
 
-Currently, xAutoClick has GUI front-ends for X11/console, X11/GTK+ 3.0, X11/Qt 4.x, X11/Qt 5.x and X11/FLTK and has been tested on Linux/x86.
+Currently, xAutoClick has GUI front-ends for X11/console, X11/GTK+ 3.0, X11/Qt 5.x and X11/FLTK and has been tested on Linux/x86.
 
 For compilation/installation instructions, see INSTALL.
 

xautoclick.1

@@ -7,8 +7,6 @@ cautoclick  \- automatically click the mouse (command line version)
 .br
 gautoclick3 \- automatically click the mouse (GTK+ 3.0 version)
 .br
-qt4autoclick \- automatically click the mouse (Qt 4.x version)
-.br
 qt5autoclick \- automatically click the mouse (Qt 5.x version)
 .br
 fltkautoclick \- automatically click the mouse (FLTK version)
@@ -20,8 +18,6 @@ fltkautoclick \- automatically click the mouse (FLTK version)
 .br
 .B gautoclick3
 .br
-.B qt4autoclick
-.br
 .B qt5autoclick
 .br
 .B fltkautoclick