DolphinQt2: add QtUtils/ElidedButton

Source/Core/DolphinQt2/CMakeLists.txt

@@ -39,6 +39,7 @@ set(SRCS
   GameList/GameListModel.cpp
   GameList/GameTracker.cpp
   GameList/ListProxyModel.cpp
+  QtUtils/ElidedButton.cpp
   Settings/GeneralPane.cpp
   Settings/InterfacePane.cpp
 )

Source/Core/DolphinQt2/DolphinQt2.vcxproj

@@ -157,6 +157,7 @@
     <ClCompile Include="Main.cpp" />
     <ClCompile Include="MainWindow.cpp" />
     <ClCompile Include="MenuBar.cpp" />
+    <ClCompile Include="QtUtils\ElidedButton.cpp" />
     <ClCompile Include="RenderWidget.cpp" />
     <ClCompile Include="Resources.cpp" />
     <ClCompile Include="Settings.cpp" />

Source/Core/DolphinQt2/DolphinQt2.vcxproj.filters

@@ -116,6 +116,9 @@
     <ClCompile Include="Config\Mapping\WiimoteEmuExtension.cpp" />
     <ClCompile Include="Config\Mapping\WiimoteEmuGeneral.cpp" />
     <ClCompile Include="Config\Mapping\WiimoteEmuMotionControl.cpp" />
+    <ClCompile Include="QtUtils\ElidedButton.cpp">
+      <Filter>QtUtils</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <QtMoc Include="MainWindow.h" />
@@ -177,6 +180,9 @@
     <Filter Include="Config">
       <UniqueIdentifier>{42f8a963-563e-420d-8aca-5761657dcff5}</UniqueIdentifier>
     </Filter>
+    <Filter Include="QtUtils">
+      <UniqueIdentifier>{fb4b5691-df66-4984-af40-fcc2b37f3622}</UniqueIdentifier>
+    </Filter>
     <Filter Include="Settings">
       <UniqueIdentifier>{d2a31121-7903-4a66-9b42-9358e92d36ff}</UniqueIdentifier>
     </Filter>

Source/Core/DolphinQt2/QtUtils/ElidedButton.cpp

@@ -0,0 +1,40 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "DolphinQt2/QtUtils/ElidedButton.h"
+
+#include <QFontMetrics>
+#include <QStyleOptionButton>
+#include <QStylePainter>
+
+ElidedButton::ElidedButton(const QString& text, Qt::TextElideMode elide_mode)
+    : QPushButton(text, nullptr), m_elide_mode{elide_mode}
+{
+}
+
+Qt::TextElideMode ElidedButton::elideMode() const
+{
+  return m_elide_mode;
+}
+
+void ElidedButton::setElideMode(Qt::TextElideMode elide_mode)
+{
+  if (elide_mode == m_elide_mode)
+    return;
+
+  m_elide_mode = elide_mode;
+  repaint();
+}
+
+void ElidedButton::paintEvent(QPaintEvent* event)
+{
+  QStyleOptionButton option;
+  initStyleOption(&option);
+
+  option.text = fontMetrics().elidedText(
+      text(), m_elide_mode,
+      style()->subElementRect(QStyle::SE_PushButtonContents, &option, this).width());
+
+  QStylePainter{this}.drawControl(QStyle::CE_PushButton, option);
+}

Source/Core/DolphinQt2/QtUtils/ElidedButton.h

@@ -0,0 +1,20 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QPushButton>
+
+class ElidedButton : public QPushButton
+{
+public:
+  ElidedButton(const QString& text = QStringLiteral(""),
+               Qt::TextElideMode elide_mode = Qt::ElideRight);
+  Qt::TextElideMode elideMode() const;
+  void setElideMode(Qt::TextElideMode elide_mode);
+
+private:
+  void paintEvent(QPaintEvent* event);
+  Qt::TextElideMode m_elide_mode;
+};