Ensure there is valid context for DrawRectangle

[wxWidgets.git] / src / msw / textentry.cpp

diff --git a/src/msw/textentry.cpp b/src/msw/textentry.cpp
index a6a92c102432caff25fd2ae3b148127057d4fdd2..a91e8f33cab408726b95f3b007153c24424728a0 100644 (file)
--- a/src/msw/textentry.cpp
+++ b/src/msw/textentry.cpp
@@ -34,6 +34,8 @@
 #include "wx/textcompleter.h"
 #include "wx/dynlib.h"
 
+#include <initguid.h>
+
 #include "wx/msw/private.h"
 
 #if wxUSE_UXTHEME
@@ -55,11 +57,14 @@
 
 #include "wx/msw/ole/oleutils.h"
 #include <shldisp.h>
-#include <shobjidl.h>
 
 #if defined(__MINGW32__) || defined (__WATCOMC__) || defined(__CYGWIN__)
     // needed for IID_IAutoComplete, IID_IAutoComplete2 and ACO_AUTOSUGGEST
     #include <shlguid.h>
+
+    #ifndef ACO_AUTOAPPEND
+        #define ACO_AUTOAPPEND 0x02
+    #endif
 #endif
 
 #ifndef ACO_UPDOWNKEYDROPSLIST
@@ -70,12 +75,31 @@
     #define SHACF_FILESYS_ONLY 0x00000010
 #endif
 
-DEFINE_GUID(CLSID_AutoComplete,
-    0x00bb2763, 0x6a77, 0x11d0, 0xa5, 0x35, 0x00, 0xc0, 0x4f, 0xd7, 0xd0, 0x62);
+#ifndef SHACF_FILESYS_DIRS
+    #define SHACF_FILESYS_DIRS 0x00000020
+#endif
 
 namespace
 {
 
+// Normally this interface and its IID are defined in shobjidl.h header file
+// included in the platform SDK but MinGW and Cygwin don't have it so redefine
+// the interface ourselves and, as long as we do it all, do it for all
+// compilers to ensure we have the same behaviour for all of them and to avoid
+// the need to check for concrete compilers and maybe even their versions.
+class IAutoCompleteDropDown : public IUnknown
+{
+public:
+    virtual HRESULT wxSTDCALL GetDropDownStatus(DWORD *, LPWSTR *) = 0;
+    virtual HRESULT wxSTDCALL ResetEnumerator() = 0;
+};
+
+DEFINE_GUID(wxIID_IAutoCompleteDropDown,
+    0x3cd141f4, 0x3c6a, 0x11d2, 0xbc, 0xaa, 0x00, 0xc0, 0x4f, 0xd9, 0x29, 0xdb);
+
+DEFINE_GUID(wxCLSID_AutoComplete,
+    0x00bb2763, 0x6a77, 0x11d0, 0xa5, 0x35, 0x00, 0xc0, 0x4f, 0xd7, 0xd0, 0x62);
+
 // Small helper class which can be used to ensure thread safety even when
 // wxUSE_THREADS==0 (and hence wxCriticalSection does nothing).
 class CSLock
@@ -349,7 +373,7 @@ public:
         // apparently.
         HRESULT hr = CoCreateInstance
                      (
-                        CLSID_AutoComplete,
+                        wxCLSID_AutoComplete,
                         NULL,
                         CLSCTX_INPROC_SERVER,
                         IID_IAutoComplete,
@@ -384,7 +408,7 @@ public:
         // provided IAutoComplete always implements IAutoCompleteDropDown too.
         hr = m_autoComplete->QueryInterface
                              (
-                               IID_IAutoCompleteDropDown,
+                               wxIID_IAutoCompleteDropDown,
                                reinterpret_cast<void **>(&m_autoCompleteDropDown)
                              );
         if ( FAILED(hr) )
@@ -601,7 +625,7 @@ wxTextEntry::~wxTextEntry()
 
 void wxTextEntry::WriteText(const wxString& text)
 {
-    ::SendMessage(GetEditHwnd(), EM_REPLACESEL, 0, (LPARAM)text.wx_str());
+    ::SendMessage(GetEditHwnd(), EM_REPLACESEL, 0, wxMSW_CONV_LPARAM(text));
 }
 
 wxString wxTextEntry::DoGetValue() const
@@ -720,7 +744,9 @@ void wxTextEntry::GetSelection(long *from, long *to) const
 
 #ifdef HAS_AUTOCOMPLETE
 
-bool wxTextEntry::DoAutoCompleteFileNames()
+#if wxUSE_DYNLIB_CLASS
+
+bool wxTextEntry::DoAutoCompleteFileNames(int flags)
 {
     typedef HRESULT (WINAPI *SHAutoComplete_t)(HWND, DWORD);
     static SHAutoComplete_t s_pfnSHAutoComplete = (SHAutoComplete_t)-1;
@@ -740,7 +766,18 @@ bool wxTextEntry::DoAutoCompleteFileNames()
     if ( !s_pfnSHAutoComplete )
         return false;
 
-    HRESULT hr = (*s_pfnSHAutoComplete)(GetEditHwnd(), SHACF_FILESYS_ONLY);
+    DWORD dwFlags = 0;
+    if ( flags & wxFILE )
+        dwFlags |= SHACF_FILESYS_ONLY;
+    else if ( flags & wxDIR )
+        dwFlags |= SHACF_FILESYS_DIRS;
+    else
+    {
+        wxFAIL_MSG(wxS("No flags for file name auto completion?"));
+        return false;
+    }
+
+    HRESULT hr = (*s_pfnSHAutoComplete)(GetEditHwnd(), dwFlags);
     if ( FAILED(hr) )
     {
         wxLogApiError(wxT("SHAutoComplete()"), hr);
@@ -756,6 +793,8 @@ bool wxTextEntry::DoAutoCompleteFileNames()
     return true;
 }
 
+#endif // wxUSE_DYNLIB_CLASS
+
 wxTextAutoCompleteData *wxTextEntry::GetOrCreateCompleter()
 {
     if ( !m_autoCompleteData )
@@ -813,9 +852,9 @@ bool wxTextEntry::DoAutoCompleteCustom(wxTextCompleter *completer)
 
 // We still need to define stubs as we declared these overrides in the header.
 
-bool wxTextEntry::DoAutoCompleteFileNames()
+bool wxTextEntry::DoAutoCompleteFileNames(int flags)
 {
-    return wxTextEntryBase::DoAutoCompleteFileNames();
+    return wxTextEntryBase::DoAutoCompleteFileNames(flags);
 }
 
 bool wxTextEntry::DoAutoCompleteStrings(const wxArrayString& choices)
@@ -825,7 +864,7 @@ bool wxTextEntry::DoAutoCompleteStrings(const wxArrayString& choices)
 
 bool wxTextEntry::DoAutoCompleteCustom(wxTextCompleter *completer)
 {
-    return wxTextCompleter::DoAutoCompleteCustom(completer);
+    return wxTextEntryBase::DoAutoCompleteCustom(completer);
 }
 
 #endif // HAS_AUTOCOMPLETE/!HAS_AUTOCOMPLETE
@@ -917,9 +956,12 @@ bool wxTextEntry::DoSetMargins(const wxPoint& margins)
 
     if ( margins.x != -1 )
     {
-        // left margin
+        // Set both horizontal margins to the given value, we don't distinguish
+        // between left and right margin at wx API level and it seems to be
+        // better to change both of them than only left one.
         ::SendMessage(GetEditHwnd(), EM_SETMARGINS,
-                      EC_LEFTMARGIN, MAKELONG(margins.x, 0));
+                      EC_LEFTMARGIN | EC_RIGHTMARGIN,
+                      MAKELONG(margins.x, margins.x));
     }
 
     if ( margins.y != -1 )