Make the debugger left panel resizable.

debugger/QT/SkDebuggerGUI.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDebuggerGUI.h"
 #include "SkForceLinking.h"
 #include "SkGraphics.h"
@@ skipping 11 matching lines @@
     #include "BenchSysTimer_mach.h"
 #elif defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_ANDROID)
     #include "BenchSysTimer_posix.h"
 #else
     #include "BenchSysTimer_c.h"
 #endif
 
 
 SkDebuggerGUI::SkDebuggerGUI(QWidget *parent) :
         QMainWindow(parent)
-    , fCentralWidget(this)
+    , fCentralSplitter(this)
     , fStatusBar(this)
     , fToolBar(this)
     , fActionOpen(this)
     , fActionBreakpoint(this)
     , fActionProfile(this)
     , fActionCancel(this)
     , fActionClearBreakpoints(this)
     , fActionClearDeletes(this)
     , fActionClose(this)
     , fActionCreateBreakpoint(this)
     , fActionDelete(this)
     , fActionDirectory(this)
     , fActionGoToLine(this)
     , fActionInspector(this)
     , fActionSettings(this)
     , fActionPlay(this)
     , fActionPause(this)
     , fActionRewind(this)
     , fActionSave(this)
     , fActionSaveAs(this)
     , fActionShowDeletes(this)
     , fActionStepBack(this)
     , fActionStepForward(this)
     , fActionZoomIn(this)
     , fActionZoomOut(this)
     , fMapper(this)
-    , fListWidget(&fCentralWidget)
-    , fDirectoryWidget(&fCentralWidget)
+    , fListWidget(&fCentralSplitter)
+    , fDirectoryWidget(&fCentralSplitter)
     , fCanvasWidget(this, &fDebugger)
     , fImageWidget(&fDebugger)
     , fMenuBar(this)
     , fMenuFile(this)
     , fMenuNavigate(this)
     , fMenuView(this)
     , fBreakpointsActivated(false)
     , fDeletesActivated(false)
     , fPause(false)
     , fLoading(false)
@@ skipping 723 matching lines @@
     fActionStepForward.setIcon(stepForward);
     fActionStepForward.setText("Step Forward");
 
     fActionZoomIn.setShortcut(QKeySequence(tr("Ctrl+=")));
     fActionZoomIn.setText("Zoom In");
     fActionZoomOut.setShortcut(QKeySequence(tr("Ctrl+-")));
     fActionZoomOut.setText("Zoom Out");
 
     fListWidget.setItemDelegate(new SkListWidget(&fListWidget));
     fListWidget.setObjectName(QString::fromUtf8("listWidget"));
-    fListWidget.setMaximumWidth(250);
+    fListWidget.setMinimumWidth(250);
 
     fFilter.addItem("--Filter By Available Commands--");
 
-    fDirectoryWidget.setMaximumWidth(250);
+    fDirectoryWidget.setMinimumWidth(250);
     fDirectoryWidget.setStyleSheet("QListWidget::Item {padding: 5px;}");
 
     fCanvasWidget.setSizePolicy(QSizePolicy::Expanding,
             QSizePolicy::Expanding);
 
     fImageWidget.setFixedSize(SkImageWidget::kImageWidgetWidth,
                               SkImageWidget::kImageWidgetHeight);
 
     fInspectorWidget.setSizePolicy(QSizePolicy::Expanding,
             QSizePolicy::Expanding);
     fInspectorWidget.setMaximumHeight(300);
 
     fSettingsAndImageLayout.setSpacing(6);
     fSettingsAndImageLayout.addWidget(&fSettingsWidget);
     fSettingsAndImageLayout.addWidget(&fImageWidget);
 
     fSettingsWidget.setSizePolicy(QSizePolicy::Expanding,
             QSizePolicy::Expanding);
     fSettingsWidget.setMaximumWidth(250);
 
-    fLeftColumnLayout.setSpacing(6);
-    fLeftColumnLayout.addWidget(&fListWidget);
-    fLeftColumnLayout.addWidget(&fDirectoryWidget);
+    fLeftColumnSplitter.addWidget(&fListWidget);
+    fLeftColumnSplitter.addWidget(&fDirectoryWidget);
+    fLeftColumnSplitter.setOrientation(Qt::Vertical);
 
     fCanvasSettingsAndImageLayout.setSpacing(6);
     fCanvasSettingsAndImageLayout.addWidget(&fCanvasWidget);
     fCanvasSettingsAndImageLayout.addLayout(&fSettingsAndImageLayout);
 
-
     fMainAndRightColumnLayout.setSpacing(6);
     fMainAndRightColumnLayout.addLayout(&fCanvasSettingsAndImageLayout);
     fMainAndRightColumnLayout.addWidget(&fInspectorWidget);
+    fMainAndRightColumnWidget.setLayout(&fMainAndRightColumnLayout);
 
-    fCentralWidget.setLayout(&fContainerLayout);
-    fContainerLayout.setSpacing(6);
-    fContainerLayout.setContentsMargins(11, 11, 11, 11);
-    fContainerLayout.addLayout(&fLeftColumnLayout);
-    fContainerLayout.addLayout(&fMainAndRightColumnLayout);
+    fCentralSplitter.addWidget(&fLeftColumnSplitter);
+    fCentralSplitter.addWidget(&fMainAndRightColumnWidget);
+    fCentralSplitter.setStretchFactor(0, 0);
+    fCentralSplitter.setStretchFactor(1, 1);
 
-    SkDebuggerGUI->setCentralWidget(&fCentralWidget);
+    SkDebuggerGUI->setCentralWidget(&fCentralSplitter);
     SkDebuggerGUI->setStatusBar(&fStatusBar);
 
     fToolBar.setIconSize(QSize(32, 32));
     fToolBar.setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
     SkDebuggerGUI->addToolBar(Qt::TopToolBarArea, &fToolBar);
 
     fSpacer.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 
     fToolBar.addAction(&fActionRewind);
     fToolBar.addAction(&fActionStepBack);
@@ skipping 177 matching lines @@
     }
 
     // NOTE(chudy): Makes first item unselectable.
     QStandardItemModel* model = qobject_cast<QStandardItemModel*>(
             fFilter.model());
     QModelIndex firstIndex = model->index(0, fFilter.modelColumn(),
             fFilter.rootModelIndex());
     QStandardItem* firstItem = model->itemFromIndex(firstIndex);
     firstItem->setSelectable(false);
 }