Added reparenting helper classes to help apps to grab the windows

[wxWidgets.git] / src / common / textcmn.cpp

diff --git a/src/common/textcmn.cpp b/src/common/textcmn.cpp
index c854878f7a8f7b5ffb426afe1e18846f22005f81..11c063dfdd95f8ccbc4a0ce2b85e769ec1d9d66d 100644 (file)
--- a/src/common/textcmn.cpp
+++ b/src/common/textcmn.cpp
@@ -46,36 +46,64 @@
 // implementation
 // ============================================================================
 
+IMPLEMENT_DYNAMIC_CLASS(wxTextUrlEvent, wxCommandEvent)
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_ENTER)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_URL)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_MAXLEN)
+
 // ----------------------------------------------------------------------------
 // ctor
 // ----------------------------------------------------------------------------
 
 wxTextCtrlBase::wxTextCtrlBase()
 {
-#ifndef NO_TEXT_WINDOW_STREAM
-    #if wxUSE_IOSTREAMH
-        if (allocate())
-            setp(base(),ebuf());
-    #else
-        m_streambuf = new char[64];
-        setp(m_streambuf, m_streambuf + 64);
-    #endif //wxUSE_IOSTREAMH
-#endif // NO_TEXT_WINDOW_STREAM
 }
 
 wxTextCtrlBase::~wxTextCtrlBase()
 {
-#ifndef NO_TEXT_WINDOW_STREAM
-#if !wxUSE_IOSTREAMH
-  delete[] m_streambuf;
-#endif
-#endif
 }
 
 // ----------------------------------------------------------------------------
 // style functions - not implemented here
 // ----------------------------------------------------------------------------
 
+/* static */
+wxTextAttr wxTextAttr::Combine(const wxTextAttr& attr,
+                               const wxTextAttr& attrDef,
+                               const wxTextCtrlBase *text)
+{
+    wxFont font = attr.GetFont();
+    if ( !font.Ok() )
+    {
+        font = attrDef.GetFont();
+
+        if ( text && !font.Ok() )
+            font = text->GetFont();
+    }
+
+    wxColour colFg = attr.GetTextColour();
+    if ( !colFg.Ok() )
+    {
+        colFg = attrDef.GetTextColour();
+
+        if ( text && !colFg.Ok() )
+            colFg = text->GetForegroundColour();
+    }
+
+    wxColour colBg = attr.GetBackgroundColour();
+    if ( !colBg.Ok() )
+    {
+        colBg = attrDef.GetBackgroundColour();
+
+        if ( text && !colBg.Ok() )
+            colBg = text->GetBackgroundColour();
+    }
+
+    return wxTextAttr(colFg, colBg, font);
+}
+
 // apply styling to text range
 bool wxTextCtrlBase::SetStyle(long WXUNUSED(start), long WXUNUSED(end),
                               const wxTextAttr& WXUNUSED(style))
@@ -85,9 +113,16 @@ bool wxTextCtrlBase::SetStyle(long WXUNUSED(start), long WXUNUSED(end),
 }
 
 // change default text attributes
-bool wxTextCtrlBase::SetDefaultStyle(const wxTextAttr &style)
+bool wxTextCtrlBase::SetDefaultStyle(const wxTextAttr& style)
 {
-    m_defaultStyle = style;
+    // keep the old attributes if the new style doesn't specify them unless the
+    // new style is empty - then reset m_defaultStyle (as there is no other way
+    // to do it)
+    if ( style.IsDefault() )
+        m_defaultStyle = style;
+    else
+        m_defaultStyle = wxTextAttr::Combine(style, m_defaultStyle, this);
+
     return TRUE;
 }
 
@@ -208,35 +243,14 @@ wxTextCtrl& wxTextCtrlBase::operator<<(const wxChar c)
 
 #ifndef NO_TEXT_WINDOW_STREAM
 
-int wxTextCtrlBase::overflow( int WXUNUSED(c) )
+int wxTextCtrlBase::overflow(int c)
 {
-    int len = pptr() - pbase();
-    char *txt = new char[len+1];
-    strncpy(txt, pbase(), len);
-    txt[len] = '\0';
-    (*this) << txt;
-    setp(pbase(), epptr());
-    delete[] txt;
-    return EOF;
-}
+    AppendText((wxChar)c);
 
-int wxTextCtrlBase::sync()
-{
-    int len = pptr() - pbase();
-    char *txt = new char[len+1];
-    strncpy(txt, pbase(), len);
-    txt[len] = '\0';
-    (*this) << txt;
-    setp(pbase(), epptr());
-    delete[] txt;
+    // return something different from EOF
     return 0;
 }
 
-int wxTextCtrlBase::underflow()
-{
-    return EOF;
-}
-
 #endif // NO_TEXT_WINDOW_STREAM
 
 // ----------------------------------------------------------------------------
@@ -264,7 +278,7 @@ bool wxTextCtrlBase::CanPaste() const
 }
 
 // ----------------------------------------------------------------------------
-// misc
+// selection and ranges
 // ----------------------------------------------------------------------------
 
 void wxTextCtrlBase::SelectAll()
@@ -272,5 +286,32 @@ void wxTextCtrlBase::SelectAll()
     SetSelection(0, GetLastPosition());
 }
 
-#endif // wxUSE_TEXTCTRL
+wxString wxTextCtrlBase::GetStringSelection() const
+{
+    long from, to;
+    GetSelection(&from, &to);
+
+    return GetRange(from, to);
+}
+
+wxString wxTextCtrlBase::GetRange(long from, long to) const
+{
+    wxString sel;
+    if ( from < to )
+    {
+        sel = GetValue().Mid(from, to - from);
+    }
+
+    return sel;
+}
+
+#else // !wxUSE_TEXTCTRL
+
+// define this one even if !wxUSE_TEXTCTRL because it is also used by other
+// controls (wxComboBox and wxSpinCtrl)
+#include "wx/event.h"
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED)
+
+#endif // wxUSE_TEXTCTRL/!wxUSE_TEXTCTRL