Add a custom collapsing group box control

qrenderdoc/Widgets/CollapseGroupBox.cpp

@@ -0,0 +1,136 @@
+/******************************************************************************
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Baldur Karlsson
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ ******************************************************************************/
+
+#include "CollapseGroupBox.h"
+#include <QMouseEvent>
+#include <QStyleOptionGroupBox>
+#include <QStylePainter>
+
+CollapseGroupBox::CollapseGroupBox(QWidget *parent) : QGroupBox(parent)
+{
+}
+
+CollapseGroupBox::~CollapseGroupBox()
+{
+}
+
+void CollapseGroupBox::setMaximumSize(const QSize &size)
+{
+  // if collapsed, silently update the 'original' max height for when we un-collapse. Otherwise
+  // forward the call
+  if(m_collapsed)
+  {
+    m_prevMaxHeight = size.height();
+    QGroupBox::setMaximumSize(QSize(size.width(), maximumHeight()));
+  }
+  else
+  {
+    QGroupBox::setMaximumSize(size);
+  }
+}
+
+void CollapseGroupBox::setMaximumHeight(int maxh)
+{
+  // if collapsed, silently update the 'original' max height for when we un-collapse. Otherwise
+  // forward the call
+  if(m_collapsed)
+    m_prevMaxHeight = maxh;
+  else
+    QGroupBox::setMaximumHeight(maxh);
+}
+
+void CollapseGroupBox::setCollapsed(bool coll)
+{
+  // redundant call
+  if(m_collapsed == coll)
+    return;
+
+  // if not collapsed, save the current maximum height so we can restore it again and set the
+  // 'collapsed' maximum height. If we *are* collapsed, then restore the maximum height
+  if(m_collapsed)
+  {
+    QGroupBox::setMaximumHeight(m_prevMaxHeight);
+  }
+  else
+  {
+    m_prevMaxHeight = maximumHeight();
+
+    QStyleOptionGroupBox option;
+    initStyleOption(&option);
+
+    option.subControls |= QStyle::SC_GroupBoxCheckBox;
+
+    QRect contentsRect =
+        style()->subControlRect(QStyle::CC_GroupBox, &option, QStyle::SC_GroupBoxContents, this);
+
+    QGroupBox::setMaximumHeight(height() - contentsRect.height());
+  }
+
+  m_collapsed = coll;
+
+  update();
+}
+
+void CollapseGroupBox::paintEvent(QPaintEvent *)
+{
+  QStylePainter paint(this);
+  QStyleOptionGroupBox option;
+  initStyleOption(&option);
+
+  // pretend we have a groupbox so the painting allocates space for it
+  option.subControls |= QStyle::SC_GroupBoxCheckBox;
+
+  paint.drawComplexControl(QStyle::CC_GroupBox, option);
+
+  // now paint over the checkbox
+
+  QRect checkBoxRect =
+      style()->subControlRect(QStyle::CC_GroupBox, &option, QStyle::SC_GroupBoxCheckBox, this);
+
+  paint.fillRect(checkBoxRect, palette().brush(QPalette::Window));
+
+  QStyleOption arrowOpt = option;
+  arrowOpt.rect = checkBoxRect;
+  paint.drawPrimitive(m_collapsed ? QStyle::PE_IndicatorArrowRight : QStyle::PE_IndicatorArrowDown,
+                      arrowOpt);
+}
+
+void CollapseGroupBox::mouseReleaseEvent(QMouseEvent *event)
+{
+  if(event->button() != Qt::LeftButton)
+  {
+    event->ignore();
+    return;
+  }
+
+  QStyleOptionGroupBox option;
+  initStyleOption(&option);
+
+  // pretend we have a groupbox so we can hit-test for it
+  option.subControls |= QStyle::SC_GroupBoxCheckBox;
+
+  if(style()->hitTestComplexControl(QStyle::CC_GroupBox, &option, event->pos(), this) ==
+     QStyle::SC_GroupBoxCheckBox)
+    setCollapsed(!m_collapsed);
+}

qrenderdoc/Widgets/CollapseGroupBox.h

@@ -0,0 +1,52 @@
+/******************************************************************************
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Baldur Karlsson
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ ******************************************************************************/
+
+#pragma once
+
+#include <QGroupBox>
+
+class CollapseGroupBox : public QGroupBox
+{
+  Q_OBJECT
+
+public:
+  explicit CollapseGroupBox(QWidget *parent = 0);
+  ~CollapseGroupBox();
+
+  // not virtual sadly, but at least we can catch code that calls via a CollapseGroupBox*
+  void setMaximumSize(const QSize &size);
+  void setMaximumSize(int maxw, int maxh) { setMaximumSize(QSize(maxw, maxh)); }
+  void setMaximumHeight(int maxh);
+
+  void setCollapsed(bool coll);
+  bool collapsed() { return m_collapsed; }
+protected:
+  void paintEvent(QPaintEvent *) override;
+  void mouseReleaseEvent(QMouseEvent *event) override;
+
+private:
+  bool m_collapsed = false;
+
+  int m_prevMaxHeight = 0;
+};

qrenderdoc/qrenderdoc.pro

@@ -193,6 +193,7 @@ SOURCES += Code/qrenderdoc.cpp \
     Widgets/ThumbnailStrip.cpp \
     Widgets/TextureGoto.cpp \
     Widgets/RangeHistogram.cpp \
+    Widgets/CollapseGroupBox.cpp \
     Windows/Dialogs/TextureSaveDialog.cpp \
     Windows/Dialogs/CaptureDialog.cpp \
     Windows/Dialogs/LiveCapture.cpp \
@@ -267,6 +268,7 @@ HEADERS += Code/CaptureContext.h \
     Widgets/ThumbnailStrip.h \
     Widgets/TextureGoto.h \
     Widgets/RangeHistogram.h \
+    Widgets/CollapseGroupBox.h \
     Windows/Dialogs/TextureSaveDialog.h \
     Windows/Dialogs/CaptureDialog.h \
     Windows/Dialogs/LiveCapture.h \

qrenderdoc/qrenderdoc_local.vcxproj

@@ -621,6 +621,7 @@
     <ClCompile Include="$(IntDir)generated\moc_QRDUtils.cpp" />
     <ClCompile Include="$(IntDir)generated\moc_PipelineFlowChart.cpp" />
     <ClCompile Include="$(IntDir)generated\moc_RangeHistogram.cpp" />
+    <ClCompile Include="$(IntDir)generated\moc_CollapseGroupBox.cpp" />
     <ClCompile Include="$(IntDir)generated\moc_RDDoubleSpinBox.cpp" />
     <ClCompile Include="$(IntDir)generated\moc_RDSplitter.cpp" />
     <ClCompile Include="$(IntDir)generated\moc_RDLabel.cpp" />
@@ -686,6 +687,7 @@
       <AdditionalOptions>/bigobj %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <ClCompile Include="Widgets\BufferFormatSpecifier.cpp" />
+    <ClCompile Include="Widgets\CollapseGroupBox.cpp" />
     <ClCompile Include="Widgets\FindReplace.cpp" />
     <ClCompile Include="Widgets\Extended\RDListWidget.cpp" />
     <ClCompile Include="Widgets\Extended\RDTableView.cpp" />
@@ -1083,6 +1085,12 @@
       <Message>MOC %(Filename).h</Message>
       <Outputs>$(IntDir)generated\moc_%(Filename).cpp</Outputs>
     </CustomBuild>
+    <CustomBuild Include="Widgets\CollapseGroupBox.h">
+      <AdditionalInputs>%(Fullpath);$(ProjectDir)3rdparty\qt\$(Platform)\bin\moc.exe;%(AdditionalInputs)</AdditionalInputs>
+      <Command>"$(ProjectDir)3rdparty\qt\$(Platform)\bin\moc.exe" -DUNICODE -DWIN32 -DWIN64 -D_WIN32 -D_WIN64 -DRENDERDOC_PLATFORM_WIN32 -DSCINTILLA_QT=1 -DSCI_LEXER=1 -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -D_MSC_VER=1900 -I"$(ProjectDir)." -I"$(SolutionDir)\renderdoc\api\replay" -I"$(ProjectDir)3rdparty\qt\$(Platform)\mkspecs/win32-msvc2015" -I"$(ProjectDir)3rdparty\qt\include" -I"$(ProjectDir)3rdparty\qt\include\QtWidgets" -I"$(ProjectDir)3rdparty\qt\include\QtGui" -I"$(ProjectDir)3rdparty\qt\include\QtCore" "%(Fullpath)" -o "$(IntDir)generated\moc_%(Filename).cpp"</Command>
+      <Message>MOC %(Filename).h</Message>
+      <Outputs>$(IntDir)generated\moc_%(Filename).cpp</Outputs>
+    </CustomBuild>
     <CustomBuild Include="Widgets\RangeHistogram.h">
       <AdditionalInputs>%(Fullpath);$(ProjectDir)3rdparty\qt\$(Platform)\bin\moc.exe;%(AdditionalInputs)</AdditionalInputs>
       <Command>"$(ProjectDir)3rdparty\qt\$(Platform)\bin\moc.exe" -DUNICODE -DWIN32 -DWIN64 -D_WIN32 -D_WIN64 -DRENDERDOC_PLATFORM_WIN32 -DSCINTILLA_QT=1 -DSCI_LEXER=1 -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -D_MSC_VER=1900 -I"$(ProjectDir)." -I"$(SolutionDir)\renderdoc\api\replay" -I"$(ProjectDir)3rdparty\qt\$(Platform)\mkspecs/win32-msvc2015" -I"$(ProjectDir)3rdparty\qt\include" -I"$(ProjectDir)3rdparty\qt\include\QtWidgets" -I"$(ProjectDir)3rdparty\qt\include\QtGui" -I"$(ProjectDir)3rdparty\qt\include\QtCore" "%(Fullpath)" -o "$(IntDir)generated\moc_%(Filename).cpp"</Command>

qrenderdoc/qrenderdoc_local.vcxproj.filters

@@ -706,6 +706,9 @@
       <Filter>Code\Interface</Filter>
     </ClCompile>
     <ClCompile Include="Code\RGPInterop.cpp" />
+    <ClCompile Include="Widgets\CollapseGroupBox.cpp">
+      <Filter>Widgets</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="3rdparty\flowlayout\FlowLayout.h">
@@ -1057,6 +1060,9 @@
       <Filter>Code\pyrenderdoc</Filter>
     </ClInclude>
     <ClInclude Include="Code\RGPInterop.h" />
+    <ClInclude Include="Widgets\CollapseGroupBox.h">
+      <Filter>Widgets</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="Code\pyrenderdoc\pyconversion.h">