]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/textctrl.cpp
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[wxWidgets.git] / src / msw / textctrl.cpp
index 3beeae72069a1306a007bf68fb25560620c7800b..f4193cf875a4b74848e0011e4aa8714a30b642cf 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        msw/textctrl.cpp
+// Name:        src/msw/textctrl.cpp
 // Purpose:     wxTextCtrl
 // Author:      Julian Smart
 // Modified by:
@@ -27,6 +27,7 @@
 #if wxUSE_TEXTCTRL && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
 
 #ifndef WX_PRECOMP
+    #include "wx/msw/missing.h"
     #include "wx/textctrl.h"
     #include "wx/settings.h"
     #include "wx/brush.h"
     #include "wx/app.h"
     #include "wx/menu.h"
     #include "wx/math.h"
+    #include "wx/module.h"
 #endif
 
-#include "wx/module.h"
+#include "wx/sysopt.h"
 
 #if wxUSE_CLIPBOARD
     #include "wx/clipbrd.h"
 
 #if wxUSE_RICHEDIT
 
+#if wxUSE_INKEDIT
+#include "wx/dynlib.h"
+#endif
+
 // old mingw32 has richedit stuff directly in windows.h and doesn't have
 // richedit.h at all
 #if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)
     #include <richedit.h>
 #endif
 
-#include "wx/msw/missing.h"
-
 #endif // wxUSE_RICHEDIT
 
 // ----------------------------------------------------------------------------
@@ -94,15 +98,30 @@ public:
     // load the richedit DLL for the specified version of rich edit
     static bool Load(Version version);
 
+#if wxUSE_INKEDIT
+    // load the InkEdit library
+    static bool LoadInkEdit();
+#endif
+
 private:
     // the handles to richedit 1.0 and 2.0 (or 3.0) DLLs
     static HINSTANCE ms_hRichEdit[Version_Max];
 
+#if wxUSE_INKEDIT
+    static wxDynamicLibrary ms_inkEditLib;
+    static bool             ms_inkEditLibLoadAttemped;
+#endif
+
     DECLARE_DYNAMIC_CLASS(wxRichEditModule)
 };
 
 HINSTANCE wxRichEditModule::ms_hRichEdit[Version_Max] = { NULL, NULL, NULL };
 
+#if wxUSE_INKEDIT
+wxDynamicLibrary wxRichEditModule::ms_inkEditLib;
+bool             wxRichEditModule::ms_inkEditLibLoadAttemped = false;
+#endif
+
 IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule)
 
 #endif // wxUSE_RICHEDIT
@@ -186,7 +205,7 @@ wxBEGIN_FLAGS( wxTextCtrlStyle )
     wxFLAGS_MEMBER(wxTE_CENTRE)
     wxFLAGS_MEMBER(wxTE_RIGHT)
     wxFLAGS_MEMBER(wxTE_DONTWRAP)
-    wxFLAGS_MEMBER(wxTE_LINEWRAP)
+    wxFLAGS_MEMBER(wxTE_CHARWRAP)
     wxFLAGS_MEMBER(wxTE_WORDWRAP)
 
 wxEND_FLAGS( wxTextCtrlStyle )
@@ -207,11 +226,11 @@ wxEND_HANDLERS_TABLE()
 
 wxCONSTRUCTOR_6( wxTextCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size , long , WindowStyle)
 #else
-IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 #endif
 
 
-BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
+BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
     EVT_CHAR(wxTextCtrl::OnChar)
     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 
@@ -238,10 +257,50 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
     EVT_SET_FOCUS(wxTextCtrl::OnSetFocus)
 END_EVENT_TABLE()
 
+// ----------------------------------------------------------------------------
+// function prototypes
+// ----------------------------------------------------------------------------
+
+LRESULT APIENTRY _EXPORT wxTextCtrlWndProc(HWND hWnd,
+                                           UINT message,
+                                           WPARAM wParam,
+                                           LPARAM lParam);
+
+// ---------------------------------------------------------------------------
+// global vars
+// ---------------------------------------------------------------------------
+
+// the pointer to standard text control wnd proc
+static WNDPROC gs_wndprocEdit = (WNDPROC)NULL;
+
 // ============================================================================
 // implementation
 // ============================================================================
 
+// ----------------------------------------------------------------------------
+// wnd proc for subclassed edit control
+// ----------------------------------------------------------------------------
+
+LRESULT APIENTRY _EXPORT wxTextCtrlWndProc(HWND hWnd,
+                                           UINT message,
+                                           WPARAM wParam,
+                                           LPARAM lParam)
+{
+    switch ( message )
+    {
+        case WM_CUT:
+        case WM_COPY:
+        case WM_PASTE:
+            {
+                wxWindow *win = wxFindWinFromHandle((WXHWND)hWnd);
+                if( win->HandleClipboardEvent( message ) )
+                    return 0;
+                break;
+            }
+    }
+    return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit, hWnd, message, wParam, lParam);
+}
+
 // ----------------------------------------------------------------------------
 // creation
 // ----------------------------------------------------------------------------
@@ -252,6 +311,10 @@ void wxTextCtrl::Init()
     m_verRichEdit = 0;
 #endif // wxUSE_RICHEDIT
 
+#if wxUSE_INKEDIT && wxUSE_RICHEDIT
+    m_isInkEdit = 0;
+#endif
+
     m_privateContextMenu = NULL;
     m_updatesCount = -1;
     m_isNativeCaretShown = true;
@@ -321,49 +384,76 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
         m_verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1;
 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
-        if ( m_verRichEdit == 2 )
+#if wxUSE_INKEDIT
+        // First test if we can load an ink edit control. Normally, all edit
+        // controls will be made ink edit controls if a tablet environment is
+        // found (or if msw.inkedit != 0 and the InkEd.dll is present).
+        // However, an application can veto ink edit controls by either specifying
+        // msw.inkedit = 0 or by removing wxTE_RICH[2] from the style.
+        //
+        if ((wxSystemSettings::HasFeature(wxSYS_TABLET_PRESENT) || wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) != 0) &&
+            !(wxSystemOptions::HasOption(wxT("msw.inkedit")) && wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) == 0))
         {
-            if ( wxRichEditModule::Load(wxRichEditModule::Version_41) )
+            if (wxRichEditModule::LoadInkEdit())
             {
-                // yes, class name for version 4.1 really is 5.0
-                windowClass = _T("RICHEDIT50W");
+                windowClass = INKEDIT_CLASS;
+
+#if wxUSE_INKEDIT && wxUSE_RICHEDIT
+                m_isInkEdit = 1;
+#endif
+
+                // Fake rich text version for other calls
+                m_verRichEdit = 2;
             }
-            else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3) )
+        }
+#endif
+
+        if (!IsInkEdit())
+        {
+            if ( m_verRichEdit == 2 )
             {
-                windowClass = _T("RichEdit20")
+                if ( wxRichEditModule::Load(wxRichEditModule::Version_41) )
+                {
+                    // yes, class name for version 4.1 really is 5.0
+                    windowClass = _T("RICHEDIT50W");
+                }
+                else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3) )
+                {
+                    windowClass = _T("RichEdit20")
 #if wxUSE_UNICODE
-                              _T("W");
+                                _T("W");
 #else // ANSI
-                              _T("A");
+                                _T("A");
 #endif // Unicode/ANSI
+                }
+                else // failed to load msftedit.dll and riched20.dll
+                {
+                    m_verRichEdit = 1;
+                }
             }
-            else // failed to load msftedit.dll and riched20.dll
-            {
-                m_verRichEdit = 1;
-            }
-        }
 
-        if ( m_verRichEdit == 1 )
-        {
-            if ( wxRichEditModule::Load(wxRichEditModule::Version_1) )
-            {
-                windowClass = _T("RICHEDIT");
-            }
-            else // failed to load any richedit control DLL
+            if ( m_verRichEdit == 1 )
             {
-                // only give the error msg once if the DLL can't be loaded
-                static bool s_errorGiven = false; // MT ok as only used by GUI
-
-                if ( !s_errorGiven )
+                if ( wxRichEditModule::Load(wxRichEditModule::Version_1) )
                 {
-                    wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
-
-                    s_errorGiven = true;
+                    windowClass = _T("RICHEDIT");
                 }
+                else // failed to load any richedit control DLL
+                {
+                    // only give the error msg once if the DLL can't be loaded
+                    static bool s_errorGiven = false; // MT ok as only used by GUI
+
+                    if ( !s_errorGiven )
+                    {
+                        wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
+
+                        s_errorGiven = true;
+                    }
 
-                m_verRichEdit = 0;
+                    m_verRichEdit = 0;
+                }
             }
-        }
+        } // !useInkEdit
     }
 #endif // wxUSE_RICHEDIT
 
@@ -382,13 +472,25 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
         return false;
 
 #if wxUSE_RICHEDIT
-    if ( IsRich() )
+    if (IsRich())
     {
+#if wxUSE_INKEDIT
+        if (IsInkEdit())
+        {
+            // Pass IEM_InsertText (0) as wParam, in order to have the ink always
+            // converted to text.
+            ::SendMessage(GetHwnd(), EM_SETINKINSERTMODE, 0, 0);
+
+            // Make sure the mouse can be used for input
+            ::SendMessage(GetHwnd(), EM_SETUSEMOUSEFORINPUT, 1, 0);
+        }
+#endif
+
         // enable the events we're interested in: we want to get EN_CHANGE as
         // for the normal controls
         LPARAM mask = ENM_CHANGE;
 
-        if ( GetRichVersion() == 1 )
+        if (GetRichVersion() == 1 && !IsInkEdit())
         {
             // we also need EN_MSGFILTER for richedit 1.0 for the reasons
             // explained in its handler
@@ -416,6 +518,9 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
     }
 #endif // wxUSE_RICHEDIT
 
+    gs_wndprocEdit = wxSetWindowProc((HWND)GetHwnd(),
+                                     wxTextCtrlWndProc);
+
     return true;
 }
 
@@ -686,20 +791,24 @@ void wxTextCtrl::SetValue(const wxString& value)
     {
         DoWriteText(value, false /* not selection only */);
 
+        // mark the control as being not dirty - we changed its text, not the
+        // user
+        DiscardEdits();
+
         // for compatibility, don't move the cursor when doing SetValue()
         SetInsertionPoint(0);
     }
     else // same text
     {
+        // still reset the modified flag even if the value didn't really change
+        // because now it comes from the program and not the user (and do it
+        // before generating the event so that the event handler could get the
+        // expected value from IsModified())
+        DiscardEdits();
+
         // still send an event for consistency
         SendUpdateEvent();
     }
-
-    // we should reset the modified flag even if the value didn't really change
-
-    // mark the control as being not dirty - we changed its text, not the
-    // user
-    DiscardEdits();
 }
 
 #if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
@@ -1121,7 +1230,8 @@ void wxTextCtrl::SetInsertionPointEnd()
     // if it doesn't actually move the caret anywhere and so the simple fact of
     // doing it results in horrible flicker when appending big amounts of text
     // to the control in a few chunks (see DoAddText() test in the text sample)
-    if ( GetInsertionPoint() == GetLastPosition() )
+    const wxTextPos lastPosition = GetLastPosition();
+    if ( GetInsertionPoint() == lastPosition )
     {
         return;
     }
@@ -1137,7 +1247,7 @@ void wxTextCtrl::SetInsertionPointEnd()
     else // !RichEdit 1.0
 #endif // wxUSE_RICHEDIT
     {
-        pos = GetLastPosition();
+        pos = lastPosition;
     }
 
     SetInsertionPoint(pos);
@@ -1261,10 +1371,14 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
         // ES_DISABLENOSCROLL
         //
         // this is very ugly but I don't see any other way to make this work
+        long style = 0;
         if ( GetRichVersion() > 1 )
         {
             if ( !HasFlag(wxTE_NOHIDESEL) )
             {
+                // setting ECO_NOHIDESEL also sets WS_VISIBLE and possibly
+                // others, remember the style so we can reset it later if needed
+                style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
                 ::SendMessage(GetHwnd(), EM_SETOPTIONS,
                               ECOOP_OR, ECO_NOHIDESEL);
             }
@@ -1280,6 +1394,8 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
         {
             ::SendMessage(GetHwnd(), EM_SETOPTIONS,
                           ECOOP_AND, ~ECO_NOHIDESEL);
+            if ( style != ::GetWindowLong(GetHwnd(), GWL_STYLE) )
+                ::SetWindowLong(GetHwnd(), GWL_STYLE, style);
         }
 #endif // wxUSE_RICHEDIT
     }
@@ -1666,18 +1782,17 @@ void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 // kbd input processing
 // ----------------------------------------------------------------------------
 
-bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg)
+bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* msg)
 {
-    MSG *msg = (MSG *)pMsg;
-
     // check for our special keys here: if we don't do it and the parent frame
     // uses them as accelerators, they wouldn't work at all, so we disable
     // usual preprocessing for them
     if ( msg->message == WM_KEYDOWN )
     {
-        WORD vkey = (WORD) msg->wParam;
-        if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
+        const WPARAM vkey = msg->wParam;
+        if ( HIWORD(msg->lParam) & KF_ALTDOWN )
         {
+            // Alt-Backspace is accelerator for "Undo"
             if ( vkey == VK_BACK )
                 return false;
         }
@@ -1695,6 +1810,9 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg)
                     // fall through
 
                 case 0:
+                    if ( IsMultiLine() && vkey == VK_RETURN )
+                        return false;
+                    // fall through
                 case 2:
                     break;
 
@@ -1723,7 +1841,7 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg)
         }
     }
 
-    return wxControl::MSWShouldPreProcessMessage(pMsg);
+    return wxControl::MSWShouldPreProcessMessage(msg);
 }
 
 void wxTextCtrl::OnChar(wxKeyEvent& event)
@@ -1731,16 +1849,15 @@ void wxTextCtrl::OnChar(wxKeyEvent& event)
     switch ( event.GetKeyCode() )
     {
         case WXK_RETURN:
-            if ( !HasFlag(wxTE_MULTILINE) )
             {
                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
                 InitCommandEvent(event);
                 event.SetString(GetValue());
                 if ( GetEventHandler()->ProcessEvent(event) )
+                if ( !HasFlag(wxTE_MULTILINE) )
                     return;
+                //else: multiline controls need Enter for themselves
             }
-            //else: multiline controls need Enter for themselves
-
             break;
 
         case WXK_TAB:
@@ -1963,7 +2080,7 @@ wxSize wxTextCtrl::DoGetBestSize() const
     int hText = cy;
     if ( m_windowStyle & wxTE_MULTILINE )
     {
-        hText *= wxMax(wxMin(GetNumberOfLines(), 10), 2); 
+        hText *= wxMax(wxMin(GetNumberOfLines(), 10), 2);
     }
     //else: for single line control everything is ok
 
@@ -2447,11 +2564,23 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
         }
     }
 
-    if (pf.dwMask != 0)
+#if wxUSE_RICHEDIT2
+    if ( m_verRichEdit > 1 )
+    {
+        if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
+        {
+            // Use RTL paragraphs in RTL mode to get proper layout
+            pf.dwMask |= PFM_RTLPARA;
+            pf.wEffects |= PFE_RTLPARA;
+        }
+    }
+#endif // wxUSE_RICHEDIT2
+
+    if ( pf.dwMask )
     {
         // do format the selection
         bool ok = ::SendMessage(GetHwnd(), EM_SETPARAFORMAT,
-            0, (LPARAM) &pf) != 0;
+                                0, (LPARAM) &pf) != 0;
         if ( !ok )
         {
             wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed"));
@@ -2524,7 +2653,7 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
 
     if ( changeSel )
     {
-        DoSetSelection(position, position, false /* don't scroll caret into view */);
+        DoSetSelection(position, position+1, false /* don't scroll caret into view */);
     }
 
     // get the selection formatting
@@ -2654,6 +2783,10 @@ void wxRichEditModule::OnExit()
             ms_hRichEdit[i] = NULL;
         }
     }
+#if wxUSE_INKEDIT
+    if (ms_inkEditLib.IsLoaded())
+        ms_inkEditLib.Unload();
+#endif
 }
 
 /* static */
@@ -2693,6 +2826,23 @@ bool wxRichEditModule::Load(Version version)
     return true;
 }
 
+#if wxUSE_INKEDIT
+// load the InkEdit library
+bool wxRichEditModule::LoadInkEdit()
+{
+    static wxDynamicLibrary ms_inkEditLib;
+    static bool             ms_inkEditLibLoadAttemped;
+    if (ms_inkEditLibLoadAttemped)
+        ms_inkEditLib.IsLoaded();
+
+    ms_inkEditLibLoadAttemped = true;
+
+    wxLogNull logNull;
+    return ms_inkEditLib.Load(wxT("inked"));
+}
+#endif
+
+
 #endif // wxUSE_RICHEDIT
 
 #endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)