From 75bb3a25d320e08f8cc840190e3a216ea4d74387 Mon Sep 17 00:00:00 2001
From: Martin Rotter <rotter.martinos@gmail.com>
Date: Sun, 24 Nov 2013 15:31:04 +0100
Subject: [PATCH] qt4 things

---
 CMakeLists.txt                          |  4 ----
 src/gui/messagesview.cpp                | 15 +++++++++++++++
 src/qtsingleapplication/qtlocalpeer.cpp |  2 +-
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8c1fbd825..5d20aac2b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,10 +14,6 @@ option(USE_QT_5 "Use Qt 5 for building" ON)
 message(STATUS "[${APP_LOW_NAME}] Welcome to ${APP_NAME} compilation process.")
 message(STATUS "[${APP_LOW_NAME}] Compilation process begins right now.")
 
-#if(USE_QT_5 EQUAL false)
-#  message(FATAL_ERROR "[${APP_LOW_NAME}] Only Qt 5 is supported now.")
-#endif(USE_QT_5 EQUAL false)
-
 # Setup name for executable file.
 if(APPLE)
   set(EXE_NAME ${APP_UP_NAME})
diff --git a/src/gui/messagesview.cpp b/src/gui/messagesview.cpp
index 9526bb08d..fc884dc0e 100644
--- a/src/gui/messagesview.cpp
+++ b/src/gui/messagesview.cpp
@@ -12,6 +12,7 @@ MessagesView::MessagesView(QWidget *parent) : QTreeView(parent) {
 
   setModel(m_proxyModel);
 
+#if QT_VERSION >= 0x050000
   // Setup column resize strategies.
   header()->setSectionResizeMode(MSG_DB_ID_INDEX, QHeaderView::Interactive);
   header()->setSectionResizeMode(MSG_DB_READ_INDEX, QHeaderView::ResizeToContents);
@@ -24,6 +25,20 @@ MessagesView::MessagesView(QWidget *parent) : QTreeView(parent) {
   header()->setSectionResizeMode(MSG_DB_DCREATED_INDEX, QHeaderView::Interactive);
   header()->setSectionResizeMode(MSG_DB_DUPDATED_INDEX, QHeaderView::Interactive);
   header()->setSectionResizeMode(MSG_DB_CONTENTS_INDEX, QHeaderView::Interactive);
+#else
+  // Setup column resize strategies.
+  header()->setResizeMode(MSG_DB_ID_INDEX, QHeaderView::Interactive);
+  header()->setResizeMode(MSG_DB_READ_INDEX, QHeaderView::ResizeToContents);
+  header()->setResizeMode(MSG_DB_DELETED_INDEX, QHeaderView::Interactive);
+  header()->setResizeMode(MSG_DB_IMPORTANT_INDEX, QHeaderView::ResizeToContents);
+  header()->setResizeMode(MSG_DB_FEED_INDEX, QHeaderView::Interactive);
+  header()->setResizeMode(MSG_DB_TITLE_INDEX, QHeaderView::Stretch);
+  header()->setResizeMode(MSG_DB_URL_INDEX, QHeaderView::Interactive);
+  header()->setResizeMode(MSG_DB_AUTHOR_INDEX, QHeaderView::Interactive);
+  header()->setResizeMode(MSG_DB_DCREATED_INDEX, QHeaderView::Interactive);
+  header()->setResizeMode(MSG_DB_DUPDATED_INDEX, QHeaderView::Interactive);
+  header()->setResizeMode(MSG_DB_CONTENTS_INDEX, QHeaderView::Interactive);
+#endif
 
   // Hide columns.
   hideColumn(MSG_DB_ID_INDEX);
diff --git a/src/qtsingleapplication/qtlocalpeer.cpp b/src/qtsingleapplication/qtlocalpeer.cpp
index 332b0643f..a909cb22e 100644
--- a/src/qtsingleapplication/qtlocalpeer.cpp
+++ b/src/qtsingleapplication/qtlocalpeer.cpp
@@ -49,7 +49,7 @@
 typedef BOOL(WINAPI*PProcessIdToSessionId)(DWORD,DWORD*);
 static PProcessIdToSessionId pProcessIdToSessionId = 0;
 #endif
-#if defined(Q_OS_UNIX)
+#if defined(Q_OS_UNIX) || defined(Q_OS_OS2)
 #include <sys/types.h>
 #include <time.h>
 #include <unistd.h>