Update toolwindowmanager to 9b0b99a

qrenderdoc/3rdparty/toolwindowmanager/ToolWindowManagerSplitter.cpp

@@ -0,0 +1,72 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 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 "ToolWindowManagerSplitter.h"
+#include <QChildEvent>
+#include <QDebug>
+
+ToolWindowManagerSplitter::ToolWindowManagerSplitter(QWidget *parent) :
+  QSplitter(parent)
+{
+}
+
+ToolWindowManagerSplitter::~ToolWindowManagerSplitter() {
+}
+
+void ToolWindowManagerSplitter::childEvent(QChildEvent *event) {
+  QList<int> s = sizes();
+
+  QWidget *w = qobject_cast<QWidget*>(event->child());
+  int idx = -1;
+  if (w)
+    idx = indexOf(w);
+
+  QSplitter::childEvent(event);
+
+  if (event->type() == QEvent::ChildRemoved && idx >= 0 && idx < s.count()) {
+    int removedSize = s[idx];
+
+    s.removeAt(idx);
+
+    // if we removed an item at one extreme or another, the new end should get all the space
+    // (unless the list is now empty)
+    if (idx == 0) {
+      if(!s.isEmpty())
+        s[0] += removedSize;
+    } else if (idx == s.count()) {
+      if(!s.isEmpty())
+        s[s.count()-1] += removedSize;
+    } else {
+      // we removed an item in the middle, share the space between its previous neighbours, now in
+      // [idx-1] and [idx], and we know they're valid since if there were only two elements before
+      // the removal one or the other case above would have matched. So there are at least two
+      // elements now and idx > 0
+
+      s[idx-1] += removedSize/2;
+      s[idx] += removedSize/2;
+    }
+
+    setSizes(s);
+  }
+}