made dependency on KF5::FrameworkIntegration optional

kstyle/CMakeLists.txt

@@ -27,6 +27,7 @@ if(BREEZE_USE_KDE4)
   find_package(PkgConfig REQUIRED)
   pkg_check_modules(XCB xcb x11-xcb)
   set(BREEZE_HAVE_X11 ${XCB_FOUND})
+  set(BREEZE_HAVE_KSTYLE FALSE)
 
 else()
 
@@ -34,10 +35,20 @@ else()
   find_package(KF5 REQUIRED COMPONENTS
       I18n
       Config
-      Completion
-      FrameworkIntegration
+      ConfigWidgets
       WindowSystem)
 
+  find_package( KF5FrameworkIntegration CONFIG )
+  set_package_properties(KF5FrameworkIntegration PROPERTIES
+      DESCRIPTION "KF4 FrameworkIntegration framework"
+      URL "http://xcb.freedesktop.org"
+      TYPE OPTIONAL
+      PURPOSE "Required to use KStyle convenience functionalities in style"
+  )
+
+  set(BREEZE_HAVE_KSTYLE ${KF5FrameworkIntegration_FOUND})
+
+
   find_package(XCB COMPONENTS XCB)
   set_package_properties(XCB PROPERTIES
       DESCRIPTION "X protocol C-language Binding"
@@ -123,7 +134,11 @@ else()
   kconfig_add_kcfg_files(breeze_PART_SRCS breezestyleconfigdata.kcfgc)
   add_library(breeze MODULE ${breeze_PART_SRCS})
   target_link_libraries(breeze Qt5::Core Qt5::Gui Qt5::Widgets Qt5::DBus)
-  target_link_libraries(breeze KF5::ConfigCore KF5::ConfigWidgets KF5::GuiAddons KF5::Style KF5::WindowSystem)
+  target_link_libraries(breeze KF5::ConfigCore KF5::ConfigWidgets KF5::GuiAddons KF5::WindowSystem)
+
+  if( KF5FrameworkIntegration_FOUND )
+  target_link_libraries(breeze KF5::Style)
+  endif()
 
   if (WIN32)
     # As stated in http://msdn.microsoft.com/en-us/library/4hwaceh6.aspx M_PI only gets defined

kstyle/breezestyle.cpp

@@ -170,7 +170,7 @@ namespace Breeze
         , _splitterFactory( new SplitterFactory( this ) )
         , _widgetExplorer( new WidgetExplorer( this ) )
         , _tabBarData( new BreezePrivate::TabBarData( this ) )
-        #if !BREEZE_USE_KDE4
+        #if BREEZE_HAVE_KSTYLE
         , SH_ArgbDndWindow( newStyleHint( QStringLiteral( "SH_ArgbDndWindow" ) ) )
         , CE_CapacityBar( newControlElement( QStringLiteral( "CE_CapacityBar" ) ) )
         #endif

kstyle/breezestyle.h

@@ -23,7 +23,9 @@
 #include "breeze.h"
 #include "config-breeze.h"
 
+#if BREEZE_HAVE_KSTYLE
 #include <KStyle>
+#endif
 
 #include <QAbstractItemView>
 #include <QAbstractScrollArea>
@@ -54,7 +56,7 @@ namespace Breeze
     class WindowManager;
 
     //* convenience typedef for base class
-    #if BREEZE_USE_KDE4
+    #if BREEZE_USE_KDE4 || !BREEZE_HAVE_KSTYLE
     using ParentStyleClass = QCommonStyle;
     #else
     using ParentStyleClass = KStyle;

kstyle/config-breeze.h.cmake

@@ -22,10 +22,13 @@
 #ifndef config_breeze_h
 #define config_breeze_h
 
-/* Define to 1 if you compile against KDE4*/
+/* Define to 1 if breeze is compiled against KDE4 */
 #cmakedefine01 BREEZE_USE_KDE4
 
-/* Define to 1 if you have XCB libraries */
+/* Define to 1 if FrameworkIntegration/Kstyle libraries are found */
+#cmakedefine01 BREEZE_HAVE_KSTYLE
+
+/* Define to 1 if XCB libraries are found */
 #cmakedefine01 BREEZE_HAVE_X11
 
 #endif