updated timeline tools to take custom mouse events

app/common/CMakeLists.txt

@@ -22,6 +22,8 @@ set(OLIVE_SOURCES
   common/debug.cpp
   common/filefunctions.h
   common/filefunctions.cpp
+  common/flipmodifiers.h
+  common/flipmodifiers.cpp
   common/lerp.h
   common/range.h
   common/rational.h

app/common/flipmodifiers.cpp

@@ -0,0 +1,37 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "flipmodifiers.h"
+
+Qt::KeyboardModifiers FlipControlAndShiftModifiers(Qt::KeyboardModifiers e) {
+  if (e & Qt::ControlModifier & Qt::ShiftModifier) {
+    return e;
+  }
+
+  if (e & Qt::ShiftModifier) {
+    e |= Qt::ControlModifier;
+    e &= ~Qt::ShiftModifier;
+  } else if (e & Qt::ControlModifier) {
+    e |= Qt::ShiftModifier;
+    e &= ~Qt::ControlModifier;
+  }
+
+  return e;
+}

app/common/flipmodifiers.h

@@ -0,0 +1,28 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef FLIPMODIFIERS_H
+#define FLIPMODIFIERS_H
+
+#include <QtCore>
+
+Qt::KeyboardModifiers FlipControlAndShiftModifiers(Qt::KeyboardModifiers e);
+
+#endif // FLIPMODIFIERS_H