feat: 1. drag to panel address combobox opens the archive/dir; 2. mouse forward/backward key nav

CPP/7zip/UI/FileManager/App.h

@@ -68,6 +68,7 @@ class CDropTarget:
 
   CPanel *m_Panel;
   bool m_IsAppTarget;        // true, if we want to drop to app window (not to panel).
+  bool m_IsPanelAddressComboBoxOrBar;
 
   bool m_SetPathIsOK;
 
@@ -96,6 +97,7 @@ public:
       m_SubFolderIndex(-1),
       m_Panel(NULL),
       m_IsAppTarget(false),
+      m_IsPanelAddressComboBoxOrBar(false),
       m_SetPathIsOK(false),
       App(NULL),
       SrcPanelIndex(-1),

CPP/7zip/UI/FileManager/Panel.cpp

@@ -4,6 +4,7 @@
 
 #include <WindowsX.h>
 // #include <stdio.h>
+#include <winuser.h>
 
 #include "../../../Common/IntToString.h"
 #include "../../../Common/StringConvert.h"
@@ -190,6 +191,23 @@ LRESULT CMyListView::OnMessage(UINT message, WPARAM wParam, LPARAM lParam)
     // return 0;
   }
   */
+  else if (message == WM_APPCOMMAND)
+  {
+    short p = GET_APPCOMMAND_LPARAM(lParam);
+    if (p == APPCOMMAND_BROWSER_BACKWARD) {
+      _panel->OpenParentFolder();
+      return 0;
+    }
+    if (p == APPCOMMAND_BROWSER_FORWARD) {
+      UStringVector folderHistory;
+      _panel->_appState->FolderHistory.GetList(folderHistory);
+      if (folderHistory.Size() >= 2) {
+        const UString x = folderHistory[1];
+        _panel->BindToPathAndRefresh(x);
+      }
+      return 0;
+    }
+  }
   else if (message == WM_KEYDOWN)
   {
     bool alt = IsKeyDown(VK_MENU);

CPP/7zip/UI/FileManager/Panel.h

@@ -295,8 +295,10 @@ class CPanel: public NWindows::NControl::CWindow2
   int _comboBoxID;
   UINT _statusBarID;
 
+  public:
   CAppState *_appState;
 
+  private:
   bool OnCommand(int code, int itemID, LPARAM lParam, LRESULT &result);
   LRESULT OnMessage(UINT message, WPARAM wParam, LPARAM lParam);
   virtual bool OnCreate(CREATESTRUCT *createStruct);

CPP/7zip/UI/FileManager/PanelDrag.cpp

@@ -1,6 +1,7 @@
 // PanelDrag.cpp
 
 #include "StdAfx.h"
+#include <windef.h>
 
 #ifdef UNDER_CE
 #include <winuserm.h>
@@ -31,6 +32,25 @@ using namespace NDir;
 extern bool g_IsNT;
 #endif
 
+/**
+*
+Unmerged:
+
+enum Enum_CmdId
+{
+    k_OpenArc       = 8,
+}
+
+static const CCmdLangPair g_Pairs[] =
+{
+    { k_OpenArc,      IDS_CONTEXT_OPEN },
+}
+
+ClearState()
+m_IsPanelAddressComboBoxOrBar = false;
+
+*/
+
 #define kTempDirPrefix FTEXT("7zE")
 
 static LPCTSTR const kSvenZipSetFolderFormat = TEXT("7-Zip::SetTargetFolder");
@@ -569,6 +589,7 @@ void CDropTarget::PositionCursor(POINTL ptl)
 
   RemoveSelection();
   m_IsAppTarget = true;
+  m_IsPanelAddressComboBoxOrBar = false;
   m_Panel = NULL;
 
   m_PanelDropIsAllowed = true;
@@ -590,6 +611,19 @@ void CDropTarget::PositionCursor(POINTL ptl)
               m_PanelDropIsAllowed = false;
               return;
             }
+
+            POINT pt3 = pt;
+            if (panel->ScreenToClient(&pt3)) {
+              HWND x = ::ChildWindowFromPointEx((HWND)*panel, pt3,
+                CWP_SKIPINVISIBLE | CWP_SKIPDISABLED);
+              if (x == (HWND)(panel->_headerToolBar)
+                || x == (HWND)(panel->_headerReBar)
+                || x == (HWND)(panel->_headerComboBox)
+              ) {
+                m_IsPanelAddressComboBoxOrBar = true;
+              }
+            }
+            
             break;
           }
     if (m_IsAppTarget)
@@ -873,7 +907,13 @@ STDMETHODIMP CDropTarget::Drop(IDataObject *dataObject, DWORD keyState,
   *effect = GetEffect(keyState, pt, *effect);
   if (m_DropIsAllowed && m_PanelDropIsAllowed)
   {
-    if (needDrop)
+    if (m_Panel && m_IsPanelAddressComboBoxOrBar)
+    {
+      if (m_SourcePaths.Size() > 0) {
+        m_Panel->BindToPathAndRefresh(m_SourcePaths.Front());
+      }
+    }
+    else if (needDrop)
     {
       UString path = GetTargetPath();
       if (m_IsAppTarget && m_Panel)