Build enhancements

Qt <4.7 is partially supported now:
 * Without Qt bindings (build.sh -without-qtbinding ...)
 * With reduced functionality (i.e. package manager won't work)

Build compatibility with STL-less Qt installations

src/buddies/src/bd/bdInit.cc

@@ -25,6 +25,8 @@
 #include "tlProgress.h"
 #include "version.h"
 
+#include <list>
+
 namespace bd
 {
 

src/ext/ext/extDiffToolDialog.h

@@ -27,6 +27,7 @@
 #define HDR_extDiffToolDialog
 
 #include <QDialog>
+#include <string>
 
 namespace Ui
 {

src/img/img/imgWidgets.h

@@ -27,6 +27,7 @@
 
 #include <QObject>
 #include <QWidget>
+#include <vector>
 
 class QMouseEvent;
 class QKeyEvent;

src/lay/lay/layGenericSyntaxHighlighter.h

@@ -32,6 +32,7 @@
 #include <set>
 #include <map>
 #include <vector>
+#include <list>
 
 namespace lay
 {

src/lay/lay/layHelpDialog.h

@@ -29,6 +29,7 @@
 #include <QDialog>
 
 #include <memory>
+#include <string>
 
 namespace lay
 {

src/lay/lay/layHelpProvider.h

@@ -25,6 +25,7 @@
 #define HDR_layHelpProvider
 
 #include <QDomDocument>
+#include <string>
 
 namespace lay
 {

src/lay/lay/layMacroEditorPage.cc

@@ -613,7 +613,11 @@ void MacroEditorPage::cursor_position_changed ()
     //  elements not being comment or string. So we need to iterate over elements
     //  and over characters inside these elements.
 
+#if QT_VERSION < 0x40700
+    size_t pos = size_t (cursor.position() - cursor.block().position());
+#else
     size_t pos = size_t (cursor.positionInBlock ());
+#endif
 
     std::vector<SyntaxHighlighterElement>::const_iterator e;
     for (e = user_data->elements ().begin (); e != user_data->elements ().end (); ++e) {

src/lay/lay/layMainConfigPages.cc

@@ -562,7 +562,9 @@ CustomizeMenuConfigPage::apply (const std::vector<std::pair<std::string, std::st
   }
 
   mp_ui->binding_le->setText (QString ());
+#if QT_VERSION >= 0x40700
   mp_ui->binding_le->setPlaceholderText (QString ());
+#endif
   mp_ui->binding_le->setEnabled (false);
 
   m_enable_event = true;
@@ -733,7 +735,9 @@ CustomizeMenuConfigPage::current_changed (QTreeWidgetItem *current, QTreeWidgetI
     if (lay::MainWindow::instance ()->menu ()->is_menu (path)) {
 
       mp_ui->binding_le->setText (QString ());
+#if QT_VERSION >= 0x40700
       mp_ui->binding_le->setPlaceholderText (QString ());
+#endif
       mp_ui->binding_le->setEnabled (false);
 
     } else {
@@ -745,7 +749,9 @@ CustomizeMenuConfigPage::current_changed (QTreeWidgetItem *current, QTreeWidgetI
       std::string def_shortcut = a.get_default_shortcut ();
 
       mp_ui->binding_le->setText (tl::to_qstring (shortcut));
+#if QT_VERSION >= 0x40700
       mp_ui->binding_le->setPlaceholderText (tl::to_qstring (def_shortcut));
+#endif
       mp_ui->binding_le->setEnabled (true);
 
     }
@@ -753,7 +759,9 @@ CustomizeMenuConfigPage::current_changed (QTreeWidgetItem *current, QTreeWidgetI
   } else {
 
     mp_ui->binding_le->setText (QString ());
+#if QT_VERSION >= 0x40700
     mp_ui->binding_le->setPlaceholderText (QString ());
+#endif
     mp_ui->binding_le->setEnabled (false);
 
   }

src/lay/lay/laySaltGrainDetailsTextWidget.cc

@@ -78,7 +78,11 @@ SaltGrainDetailsTextWidget::loadResource (int type, const QUrl &url)
         img = img.scaled (QSize (icon_dim, icon_dim), Qt::KeepAspectRatio, Qt::SmoothTransformation);
 
         QImage final_img (icon_dim, icon_dim, QImage::Format_ARGB32);
+#if QT_VERSION >= 0x40700
         final_img.fill (QColor (0, 0, 0, 0));
+#else
+        final_img.fill (0);
+#endif
         QPainter painter (&final_img);
         painter.drawImage ((icon_dim - img.width ()) / 2, (icon_dim - img.height ()) / 2, img);
 
@@ -95,7 +99,11 @@ SaltGrainDetailsTextWidget::loadResource (int type, const QUrl &url)
     QImage s = mp_grain->screenshot ().convertToFormat (QImage::Format_ARGB32_Premultiplied);
 
     QImage smask (s.size (), QImage::Format_ARGB32_Premultiplied);
+#if QT_VERSION >= 0x40700
     smask.fill (QColor (0, 0, 0, 0));
+#else
+    smask.fill (0);
+#endif
     {
       int border = 0;
       int radius = 6;

src/lay/lay/laySaltModel.cc

@@ -205,7 +205,11 @@ SaltModel::data (const QModelIndex &index, int role) const
       QImage scaled = img.scaled (QSize (icon_dim, icon_dim), Qt::KeepAspectRatio, Qt::SmoothTransformation);
 
       img = QImage (icon_dim, icon_dim, QImage::Format_ARGB32);
+#if QT_VERSION >= 0x40700
       img.fill (QColor (0, 0, 0, 0));
+#else
+      img.fill (0);
+#endif
       QPainter painter (&img);
       painter.drawImage ((icon_dim - scaled.width ()) / 2, (icon_dim - scaled.height ()) / 2, scaled);
 

src/lay/lay/laySaltModel.h

@@ -31,6 +31,7 @@
 #include <string>
 #include <set>
 #include <map>
+#include <vector>
 
 namespace lay
 {

src/lay/unit_tests/laySalt.cc

@@ -118,12 +118,14 @@ TEST (1)
   EXPECT_EQ (g.license (), "free");
   g.set_authored_time (QDateTime ());
   EXPECT_EQ (g.authored_time ().isNull (), true);
+#if QT_VERSION >= 0x40700
   g.set_authored_time (QDateTime::fromMSecsSinceEpoch (1000000000));
   EXPECT_EQ (QDateTime::fromMSecsSinceEpoch (0).msecsTo (g.authored_time ()), 1000000000);
   g.set_installed_time (QDateTime ());
   EXPECT_EQ (g.installed_time ().isNull (), true);
   g.set_installed_time (QDateTime::fromMSecsSinceEpoch (2000000000));
   EXPECT_EQ (QDateTime::fromMSecsSinceEpoch (0).msecsTo (g.installed_time ()), 2000000000);
+#endif
 
   g.add_dependency (lay::SaltGrain::Dependency ());
   g.dependencies ().back ().name = "depname";

src/laybasic/laybasic/layFileDialog.h

@@ -30,6 +30,7 @@
 #include <QObject>
 
 #include <string>
+#include <vector>
 
 namespace lay
 {

src/laybasic/laybasic/layTipDialog.h

@@ -27,6 +27,7 @@
 #include "laybasicCommon.h"
 
 #include <QDialog>
+#include <string>
 
 namespace Ui {
   class TipDialog;

src/laybasic/laybasic/layWidgets.h

@@ -31,6 +31,7 @@
 #include <QLabel>
 #include <QLineEdit>
 #include <QProxyStyle>
+#include <string>
 
 namespace db
 {

src/tl/tl/tlFileSystemWatcher.cc

@@ -27,6 +27,7 @@
 
 #include <QFileInfo>
 #include <QTimer>
+#include <list>
 
 namespace tl
 {

src/tl/tl/tlHttpStream.cc

@@ -185,6 +185,14 @@ InputHttpStream::issue_request (const QUrl &url)
     }
     request.setRawHeader (QByteArray (h->first.c_str ()), QByteArray (h->second.c_str ()));
   }
+
+#if QT_VERSION < 0x40700
+  if (m_request == "GET" && m_data.isEmpty ()) {
+    mp_active_reply.reset (s_network_manager->get (request));
+  } else {
+    throw tl::Exception (tl::to_string (QObject::tr ("Custom HTTP requests are not supported in this build (verb is %1)").arg (QString::fromUtf8 (m_request))));
+  }
+#else
   if (m_data.isEmpty ()) {
     mp_active_reply.reset (s_network_manager->sendCustomRequest (request, m_request));
   } else {
@@ -194,6 +202,7 @@ InputHttpStream::issue_request (const QUrl &url)
     mp_buffer = new QBuffer (&m_data);
     mp_active_reply.reset (s_network_manager->sendCustomRequest (request, m_request, mp_buffer));
   }
+#endif
 }
 
 size_t 

src/tl/tl/tlThreadedWorkers.h

@@ -32,6 +32,7 @@
 
 #include <set>
 #include <vector>
+#include <string>
 
 namespace tl
 {