Add Qt5 option. Use Qt5 by default.

.travis-build.sh

@@ -5,7 +5,7 @@ set -e
 #if OS is linux or is not set
 if [ "$TRAVIS_OS_NAME" = linux -o -z "$TRAVIS_OS_NAME" ]; then 
     mkdir build && cd build
-    cmake .. 
+    cmake -DUSE_QT5=OFF .. 
     make -j4
 elif [ "$TRAVIS_OS_NAME" = osx ]; then
     mkdir build && cd build

.travis-deps.sh

@@ -14,5 +14,5 @@ if [ "$TRAVIS_OS_NAME" = linux -o -z "$TRAVIS_OS_NAME" ]; then
     cd -	
 elif [ "$TRAVIS_OS_NAME" = osx ]; then
     brew tap homebrew/versions
-    brew install glew qt glfw3 pkgconfig
+    brew install glew qt5 glfw3 pkgconfig
 fi

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8.6)
+cmake_minimum_required(VERSION 2.8.7)
 
 project(citra)
 
@@ -33,17 +33,29 @@ include_directories(${GLEW_INCLUDE_PATH})
 # workaround for GLFW linking on OSX
 link_directories(${GLFW_LIBRARY_DIRS})
 
-option(DISABLE_QT4 "Disable Qt4 GUI" OFF)
-if(NOT DISABLE_QT4)
+option(DISABLE_QT "Disable Qt GUI" OFF)
+option(USE_QT5 "Use Qt5 when available" ON)
+if (NOT DISABLE_QT)
+    if(USE_QT5)
+        find_package(Qt5Gui)
+        find_package(Qt5Widgets)
+        find_package(Qt5OpenGL)
+        if(NOT Qt5Gui_FOUND OR NOT Qt5Widgets_FOUND OR NOT Qt5OpenGL_FOUND)
+            message("Qt5 libraries not found! Using Qt4 instead.")
+            set(USE_QT5 OFF)
+        endif()
+    endif()
+    if(NOT USE_QT5)
         include(FindQt4)
         find_package(Qt4 COMPONENTS QtCore QtGui QtOpenGL)
 
         if(QT4_FOUND AND QT_QTCORE_FOUND AND QT_QTGUI_FOUND AND QT_QTOPENGL_FOUND)
             include(${QT_USE_FILE})
             include_directories(${QT_INCLUDES})
-        include_directories(externals/qhexedit)
         else()
-        message("Qt4 libraries not found! Disabling Qt4 GUI")
+            message("Qt4 libraries not found! Disabling Qt GUI")
+            set(DISABLE_QT ON)
+        endif()
     endif()
 endif()
 
@@ -57,7 +69,8 @@ git_branch_name(GIT_BRANCH)
 include_directories(src)
 
 # process subdirectories
-if(QT4_FOUND AND QT_QTCORE_FOUND AND QT_QTGUI_FOUND AND QT_QTOPENGL_FOUND AND NOT DISABLE_QT4)
+if(NOT DISABLE_QT)
+    include_directories(externals/qhexedit)
     add_subdirectory(externals/qhexedit)
 endif()
 add_subdirectory(src)

externals/qhexedit/CMakeLists.txt

@@ -1,4 +1,5 @@
 set(CMAKE_AUTOMOC ON)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
 set(SRCS
             commands.cpp
@@ -10,6 +11,8 @@ set(HEADERS
             qhexedit.h
             qhexedit_p.h)
 
-include_directories(${CMAKE_CURRENT_BINARY_DIR})
-
 add_library(qhexedit STATIC ${SRCS} ${HEADERS})
+if(USE_QT5)
+    target_link_libraries(qhexedit Qt5::Core Qt5::Widgets)
+endif()
+

externals/qhexedit/qhexedit_p.cpp

@@ -1,5 +1,3 @@
-#include <QtGui>
-
 #include "qhexedit_p.h"
 #include "commands.h"
 
@@ -437,7 +435,7 @@ void QHexEditPrivate::keyPressEvent(QKeyEvent *event)
 if (!_readOnly)
 {
     /* Hex input */
-        int key = int(event->text()[0].toAscii());
+        int key = int(event->text()[0].toLatin1());
         if ((key>='0' && key<='9') || (key>='a' && key <= 'f'))
         {
             if (getSelectionBegin() != getSelectionEnd())

externals/qhexedit/qhexedit_p.h

@@ -5,6 +5,9 @@
 
 
 #include <QtGui>
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+#include <QtWidgets>
+#endif
 #include "xbytearray.h"
 
 class QHexEditPrivate : public QWidget

src/citra_qt/CMakeLists.txt

@@ -26,7 +26,7 @@ set (HEADERS
             config/controller_config.hxx
             config/controller_config_util.hxx)
 
-qt4_wrap_ui(UI_HDRS
+set(UIS
             debugger/callstack.ui
             debugger/disassembler.ui
             debugger/registers.ui
@@ -34,16 +34,22 @@ qt4_wrap_ui(UI_HDRS
             main.ui
             config/controller_config.ui)
 
-# add uic results to include directories
-include_directories(${CMAKE_CURRENT_BINARY_DIR})
+if(USE_QT5)
+    qt5_wrap_ui(UI_HDRS ${UIS})
+else()
+    qt4_wrap_ui(UI_HDRS ${UIS})
+endif()
 
-add_executable(citra-qt ${SRCS} ${UI_HDRS})
+add_executable(citra-qt ${SRCS} ${HEADERS} ${UI_HDRS})
 if(APPLE)
 	set(ICONV_LIBRARY iconv)
 else()
 	set(RT_LIBRARY rt)
 endif()
 
-target_link_libraries(citra-qt core common video_core qhexedit ${ICONV_LIBRARY} ${COREFOUNDATION_LIBRARY} ${QT_LIBRARIES} ${OPENGL_LIBRARIES} ${RT_LIBRARY} ${GLEW_LIBRARY} ${GLFW_LIBRARIES})
+target_link_libraries(citra-qt core common video_core qhexedit ${ICONV_LIBRARY} ${COREFOUNDATION_LIBRARY} ${QT_LIBRARIES} ${OPENGL_LIBRARIES} ${RT_LIBRARY} ${GLEW_LIBRARY})
+if(USE_QT5)
+    target_link_libraries(citra-qt Qt5::Gui Qt5::Widgets Qt5::OpenGL)
+endif()
 
 #install(TARGETS citra-qt RUNTIME DESTINATION ${bindir})