Ensure there is valid context for DrawRectangle

[wxWidgets.git] / src / generic / dirctrlg.cpp

diff --git a/src/generic/dirctrlg.cpp b/src/generic/dirctrlg.cpp
index e27a75acd3498997fb31e92d88124b32e3cc3aa7..78f8ffc2529a39b3dcecff52ee41e5759ce16fd0 100644 (file)
--- a/src/generic/dirctrlg.cpp
+++ b/src/generic/dirctrlg.cpp
@@ -55,7 +55,7 @@
     #include  "wx/osx/private.h"  // includes mac headers
 #endif
 
     #include  "wx/osx/private.h"  // includes mac headers
 #endif
 

-#ifdef __WXMSW__
+#ifdef __WINDOWS__

 #include <windows.h>
 #include "wx/msw/winundef.h"
 #include "wx/volume.h"
 #include <windows.h>
 #include "wx/msw/winundef.h"
 #include "wx/volume.h"


@@ -71,7 +71,7 @@
     #include <ctype.h>
 #endif
 
     #include <ctype.h>
 #endif
 

-#endif
+#endif // __WINDOWS__

 
 #if defined(__OS2__) || defined(__DOS__)
     #ifdef __OS2__
 
 #if defined(__OS2__) || defined(__DOS__)
     #ifdef __OS2__


@@ -102,6 +102,12 @@ extern WXDLLEXPORT_DATA(const char) wxFileSelectorDefaultWildcardStr[];
 
 bool wxIsDriveAvailable(const wxString& dirName);
 
 
 bool wxIsDriveAvailable(const wxString& dirName);
 

+// ----------------------------------------------------------------------------
+// events
+// ----------------------------------------------------------------------------
+
+wxDEFINE_EVENT( wxEVT_COMMAND_DIRCTRL_CHANGED, wxTreeEvent );
+

 // ----------------------------------------------------------------------------
 // wxGetAvailableDrives, for WINDOWS, DOS, OS2, MAC, UNIX (returns "/")
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxGetAvailableDrives, for WINDOWS, DOS, OS2, MAC, UNIX (returns "/")
 // ----------------------------------------------------------------------------


@@ -250,7 +256,7 @@ size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayI
         }
     }
 
         }
     }
 

-#elif defined(__UNIX__) || defined(__WXPALMOS__)
+#elif defined(__UNIX__)

     paths.Add(wxT("/"));
     names.Add(wxT("/"));
     icon_ids.Add(wxFileIconsTable::computer);
     paths.Add(wxT("/"));
     names.Add(wxT("/"));
     icon_ids.Add(wxFileIconsTable::computer);


@@ -270,7 +276,7 @@ size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayI
 
 bool wxIsDriveAvailable(const wxString& dirName)
 {
 
 bool wxIsDriveAvailable(const wxString& dirName)
 {

-    // FIXME_MGL - this method leads to hang up under Watcom for some reason
+    // FIXME: this method leads to hang up under Watcom for some reason

 #ifdef __WATCOMC__
     wxUnusedVar(dirName);
 #else
 #ifdef __WATCOMC__
     wxUnusedVar(dirName);
 #else


@@ -310,7 +316,7 @@ int setdrive(int WXUNUSED_IN_WINCE(drive))
 #else
     newdrive[2] = wxT('\0');
 #endif
 #else
     newdrive[2] = wxT('\0');
 #endif

-#if defined(__WXMSW__)
+#if defined(__WINDOWS__)

     if (::SetCurrentDirectory(newdrive))
 #else
     // VA doesn't know what LPSTR is and has its own set
     if (::SetCurrentDirectory(newdrive))
 #else
     // VA doesn't know what LPSTR is and has its own set


@@ -441,6 +447,7 @@ BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
   EVT_TREE_ITEM_COLLAPSED     (wxID_TREECTRL, wxGenericDirCtrl::OnCollapseItem)
   EVT_TREE_BEGIN_LABEL_EDIT   (wxID_TREECTRL, wxGenericDirCtrl::OnBeginEditItem)
   EVT_TREE_END_LABEL_EDIT     (wxID_TREECTRL, wxGenericDirCtrl::OnEndEditItem)
   EVT_TREE_ITEM_COLLAPSED     (wxID_TREECTRL, wxGenericDirCtrl::OnCollapseItem)
   EVT_TREE_BEGIN_LABEL_EDIT   (wxID_TREECTRL, wxGenericDirCtrl::OnBeginEditItem)
   EVT_TREE_END_LABEL_EDIT     (wxID_TREECTRL, wxGenericDirCtrl::OnEndEditItem)

+  EVT_TREE_SEL_CHANGED        (wxID_TREECTRL, wxGenericDirCtrl::OnTreeSelChange)

   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 END_EVENT_TABLE()
 
   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 END_EVENT_TABLE()
 


@@ -511,7 +518,7 @@ bool wxGenericDirCtrl::Create(wxWindow *parent,
     m_treeCtrl = CreateTreeCtrl(this, wxID_TREECTRL,
                                 wxPoint(0,0), GetClientSize(), treeStyle);
 
     m_treeCtrl = CreateTreeCtrl(this, wxID_TREECTRL,
                                 wxPoint(0,0), GetClientSize(), treeStyle);
 

-    if (!filter.empty())
+    if (!filter.empty() && (style & wxDIRCTRL_SHOW_FILTERS))

         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL);
 
     m_defaultPath = dir;
         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL);
 
     m_defaultPath = dir;


@@ -666,7 +673,7 @@ void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
     }
 
     wxTreeItemId treeid = event.GetItem();
     }
 
     wxTreeItemId treeid = event.GetItem();

-    wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( treeid );
+    wxDirItemData *data = GetItemData( treeid );

     wxASSERT( data );
 
     wxString new_name( wxPathOnly( data->m_path ) );
     wxASSERT( data );
 
     wxString new_name( wxPathOnly( data->m_path ) );


@@ -694,6 +701,24 @@ void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
     }
 }
 
     }
 }
 

+void wxGenericDirCtrl::OnTreeSelChange(wxTreeEvent &event)
+{
+    wxTreeEvent changedEvent(wxEVT_COMMAND_DIRCTRL_CHANGED, GetId());
+
+    changedEvent.SetEventObject(this);
+    changedEvent.SetItem(event.GetItem());
+    changedEvent.SetClientObject(m_treeCtrl->GetItemData(event.GetItem()));
+
+    if (GetEventHandler()->SafelyProcessEvent(changedEvent) && !changedEvent.IsAllowed())
+    {
+        event.Veto();
+    }
+    else
+    {
+        event.Skip();
+    }
+}
+

 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 {
     wxTreeItemId parentId = event.GetItem();
 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 {
     wxTreeItemId parentId = event.GetItem();


@@ -716,7 +741,7 @@ void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
 {
     wxTreeItemId child;
 
 {
     wxTreeItemId child;
 

-    wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
+    wxDirItemData *data = GetItemData(parentId);

     if (!data->m_isExpanded)
         return;
 
     if (!data->m_isExpanded)
         return;
 


@@ -731,7 +756,7 @@ void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
 
 void wxGenericDirCtrl::PopulateNode(wxTreeItemId parentId)
 {
 
 void wxGenericDirCtrl::PopulateNode(wxTreeItemId parentId)
 {

-    wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
+    wxDirItemData *data = GetItemData(parentId);

 
     if (data->m_isExpanded)
         return;
 
     if (data->m_isExpanded)
         return;


@@ -922,7 +947,7 @@ wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString&
     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
     while (childId.IsOk())
     {
     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
     while (childId.IsOk())
     {

-        wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
+        wxDirItemData* data = GetItemData(childId);

 
         if (data && !data->m_path.empty())
         {
 
         if (data && !data->m_path.empty())
         {


@@ -973,7 +998,7 @@ bool wxGenericDirCtrl::ExpandPath(const wxString& path)
     if (!lastId.IsOk())
         return false;
 
     if (!lastId.IsOk())
         return false;
 

-    wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
+    wxDirItemData *data = GetItemData(lastId);

     if (data->m_isDir)
     {
         m_treeCtrl->Expand(lastId);
     if (data->m_isDir)
     {
         m_treeCtrl->Expand(lastId);


@@ -986,7 +1011,7 @@ bool wxGenericDirCtrl::ExpandPath(const wxString& path)
         bool selectedChild = false;
         while (childId.IsOk())
         {
         bool selectedChild = false;
         while (childId.IsOk())
         {

-            data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
+            data = GetItemData(childId);

 
             if (data && data->m_path != wxEmptyString && !data->m_isDir)
             {
 
             if (data && data->m_path != wxEmptyString && !data->m_isDir)
             {


@@ -1038,6 +1063,18 @@ bool wxGenericDirCtrl::CollapsePath(const wxString& path)
     return true;
 }
 
     return true;
 }
 

+wxDirItemData* wxGenericDirCtrl::GetItemData(wxTreeItemId itemId)
+{
+    return static_cast<wxDirItemData*>(m_treeCtrl->GetItemData(itemId));
+}
+
+wxString wxGenericDirCtrl::GetPath(wxTreeItemId itemId) const
+{
+    const wxDirItemData*
+        data = static_cast<wxDirItemData*>(m_treeCtrl->GetItemData(itemId));
+
+    return data->m_path;
+}

 
 wxString wxGenericDirCtrl::GetPath() const
 {
 
 wxString wxGenericDirCtrl::GetPath() const
 {


@@ -1050,8 +1087,7 @@ wxString wxGenericDirCtrl::GetPath() const
         {
             // return first string only
             wxTreeItemId treeid = items[0];
         {
             // return first string only
             wxTreeItemId treeid = items[0];

-            wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(treeid);
-            return data->m_path;
+            return GetPath(treeid);

         }
 
         return wxEmptyString;
         }
 
         return wxEmptyString;


@@ -1060,8 +1096,7 @@ wxString wxGenericDirCtrl::GetPath() const
     wxTreeItemId treeid = m_treeCtrl->GetSelection();
     if (treeid)
     {
     wxTreeItemId treeid = m_treeCtrl->GetSelection();
     if (treeid)
     {

-        wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(treeid);
-        return data->m_path;
+        return GetPath(treeid);

     }
     else
         return wxEmptyString;
     }
     else
         return wxEmptyString;


@@ -1076,8 +1111,7 @@ void wxGenericDirCtrl::GetPaths(wxArrayString& paths) const
     for ( unsigned n = 0; n < items.size(); n++ )
     {
         wxTreeItemId treeid = items[n];
     for ( unsigned n = 0; n < items.size(); n++ )
     {
         wxTreeItemId treeid = items[n];

-        wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(treeid);
-        paths.Add(data->m_path);
+        paths.push_back(GetPath(treeid));

     }
 }
 
     }
 }
 


@@ -1170,7 +1204,7 @@ void wxGenericDirCtrl::FindChildFiles(wxTreeItemId treeid, int dirFlags, wxArray
 
     wxString dirName(data->m_path);
 
 
     wxString dirName(data->m_path);
 

-#if defined(__WXMSW__) || defined(__OS2__)
+#if defined(__WINDOWS__) || defined(__OS2__)

     if (dirName.Last() == ':')
         dirName += wxString(wxFILE_SEP_PATH);
 #endif
     if (dirName.Last() == ':')
         dirName += wxString(wxFILE_SEP_PATH);
 #endif


@@ -1217,7 +1251,7 @@ void wxGenericDirCtrl::SetFilter(const wxString& filter)
 {
     m_filter = filter;
 
 {
     m_filter = filter;
 

-    if (!filter.empty() && !m_filterListCtrl)
+    if (!filter.empty() && !m_filterListCtrl && HasFlag(wxDIRCTRL_SHOW_FILTERS))

         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL);
     else if (filter.empty() && m_filterListCtrl)
     {
         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL);
     else if (filter.empty() && m_filterListCtrl)
     {


@@ -1572,7 +1606,7 @@ wxImageList *wxFileIconsTable::GetSmallImageList()
     return m_smallImageList;
 }
 
     return m_smallImageList;
 }
 

-#if wxUSE_MIMETYPE && wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
+#if wxUSE_MIMETYPE && wxUSE_IMAGE && (!defined(__WINDOWS__) || wxUSE_WXDIB)

 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
 //     one icon and we won't resize it
 
 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
 //     one icon and we won't resize it
 


@@ -1732,7 +1766,7 @@ int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
     {
         m_smallImageList->Add(bmp);
     }
     {
         m_smallImageList->Add(bmp);
     }

-#if wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
+#if wxUSE_IMAGE && (!defined(__WINDOWS__) || wxUSE_WXDIB)

     else
     {
         wxImage img = bmp.ConvertToImage();
     else
     {
         wxImage img = bmp.ConvertToImage();