Respect the other layout preference in qtshark: which pane goes in which spot.

svn path=/trunk/; revision=51723

ui/qt/main_window.cpp

@@ -168,6 +168,7 @@ MainWindow::MainWindow(QWidget *parent) :
     main_ui_->menuHelp->insertAction(update_sep, update_action);
     connect(update_action, SIGNAL(triggered()), this, SLOT(on_actionHelpCheckForUpdates_triggered()));
 #endif
+    empty_pane_ = new QWidget(main_ui_->mainStack);
 
     packet_list_ = new PacketList(main_ui_->mainStack);
 
@@ -397,6 +398,21 @@ void MainWindow::closeEvent(QCloseEvent *event) {
 
 }
 
+QWidget* MainWindow::getLayoutWidget(layout_pane_content_e type) {
+    switch (type) {
+        case layout_pane_content_none:
+            return empty_pane_;
+        case layout_pane_content_plist:
+            return packet_list_;
+        case layout_pane_content_pdetails:
+            return proto_tree_;
+        case layout_pane_content_pbytes:
+            return byte_view_tab_;
+        default:
+            g_assert_not_reached();
+            return NULL;
+    }
+}
 
 void MainWindow::mergeCaptureFile()
 {

ui/qt/main_window.h

@@ -34,6 +34,8 @@
 
 #include "ui/ui_util.h"
 
+#include <epan/prefs.h>
+
 #ifdef HAVE_LIBPCAP
 #include "capture_opts.h"
 #include "capture_session.h"
@@ -105,6 +107,7 @@ private:
     FileSetDialog file_set_dialog_;
     SummaryDialog summary_dialog_;
     ByteViewTab *byte_view_tab_;
+    QWidget *empty_pane_;
 
     bool capture_stopping_;
     bool capture_filter_valid_;
@@ -120,6 +123,7 @@ private:
     QSocketNotifier *pipe_notifier_;
 #endif
 
+    QWidget* getLayoutWidget(layout_pane_content_e type);
     void mergeCaptureFile();
     void importCaptureFile();
     void saveCaptureFile(capture_file *cf, bool stay_closed);

ui/qt/main_window_slots.cpp

@@ -262,18 +262,26 @@ void MainWindow::layoutPanes()
         g_assert_not_reached();
     }
 
+    // We reparent all widgets immediately, because if one of them is left
+    // unused then it would be deleted when we delete oldMaster, which would
+    // lead to a crash next time we tried to use it.
+    packet_list_->setParent(main_ui_->mainStack);
+    proto_tree_->setParent(main_ui_->mainStack);
+    byte_view_tab_->setParent(main_ui_->mainStack);
+    empty_pane_->setParent(main_ui_->mainStack);
+
     if (parents[0] == extra_split_) {
         master_split_->addWidget(extra_split_);
     }
 
-    parents[0]->addWidget(packet_list_);
+    parents[0]->addWidget(getLayoutWidget(prefs.gui_layout_content_1));
 
     if (parents[2] == extra_split_) {
         master_split_->addWidget(extra_split_);
     }
 
-    parents[1]->addWidget(proto_tree_);
-    parents[2]->addWidget(byte_view_tab_);
+    parents[1]->addWidget(getLayoutWidget(prefs.gui_layout_content_2));
+    parents[2]->addWidget(getLayoutWidget(prefs.gui_layout_content_3));
 
     // We must do this near the end to avoid reparenting signals going to
     // already-deleted widgets.