// Created: 13.07.99
// RCS-ID: $Id$
// Copyright: (c) wxWindows team
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "textctrlbase.h"
#endif
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
// ----------------------------------------------------------------------------
+wxTextAttr::wxTextAttr(const wxColour& colText,
+ const wxColour& colBack,
+ const wxFont& font,
+ wxTextAttrAlignment alignment)
+ : m_colText(colText), m_colBack(colBack), m_font(font), m_textAlignment(alignment)
+{
+ m_flags = 0;
+ m_leftIndent = 0;
+ m_rightIndent = 0;
+ if (m_colText.Ok()) m_flags |= wxTEXT_ATTR_TEXT_COLOUR;
+ if (m_colBack.Ok()) m_flags |= wxTEXT_ATTR_BACKGROUND_COLOUR;
+ if (m_font.Ok()) m_flags |= wxTEXT_ATTR_FONT;
+ if (alignment != wxTEXT_ALIGNMENT_DEFAULT)
+ m_flags |= wxTEXT_ATTR_ALIGNMENT;
+}
+
+void wxTextAttr::Init()
+{
+ m_textAlignment = wxTEXT_ALIGNMENT_DEFAULT;
+ m_flags = 0;
+ m_leftIndent = 0;
+ m_rightIndent = 0;
+}
+
+/* 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();
+ }
+
+ wxTextAttr newAttr(colFg, colBg, font);
+
+ if (attr.HasAlignment())
+ newAttr.SetAlignment(attr.GetAlignment());
+ else if (attrDef.HasAlignment())
+ newAttr.SetAlignment(attrDef.GetAlignment());
+
+ if (attr.HasTabs())
+ newAttr.SetTabs(attr.GetTabs());
+ else if (attrDef.HasTabs())
+ newAttr.SetTabs(attrDef.GetTabs());
+
+ if (attr.HasLeftIndent())
+ newAttr.SetLeftIndent(attr.GetLeftIndent());
+ else if (attrDef.HasLeftIndent())
+ newAttr.SetLeftIndent(attrDef.GetLeftIndent());
+
+ if (attr.HasRightIndent())
+ newAttr.SetRightIndent(attr.GetRightIndent());
+ else if (attrDef.HasRightIndent())
+ newAttr.SetRightIndent(attrDef.GetRightIndent());
+
+ return newAttr;
+}
+
+void wxTextAttr::operator= (const wxTextAttr& attr)
+{
+ m_font = attr.m_font;
+ m_colText = attr.m_colText;
+ m_colBack = attr.m_colBack;
+ m_textAlignment = attr.m_textAlignment;
+ m_leftIndent = attr.m_leftIndent;
+ m_rightIndent = attr.m_rightIndent;
+ m_tabs = attr.m_tabs;
+ m_flags = attr.m_flags;
+}
+
+
// apply styling to text range
bool wxTextCtrlBase::SetStyle(long WXUNUSED(start), long WXUNUSED(end),
const wxTextAttr& WXUNUSED(style))
return FALSE;
}
+// get the styling at the given position
+bool wxTextCtrlBase::GetStyle(long WXUNUSED(position), wxTextAttr& WXUNUSED(style))
+{
+ // to be implemented in derived TextCtrl classes
+ return FALSE;
+}
+
// 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;
}
bool wxTextCtrlBase::SaveFile(const wxString& filename)
{
wxString filenameToUse = filename.IsEmpty() ? m_filename : filename;
- if ( !filenameToUse )
+ if ( filenameToUse.empty() )
{
// what kind of message to give? is it an error or a program bug?
wxLogDebug(wxT("Can't save textctrl to file without filename."));
}
#if wxUSE_FFILE
- wxFFile file(filename, "w");
+ wxFFile file(filenameToUse, _T("w"));
if ( file.IsOpened() && file.Write(GetValue()) )
{
// it's not modified any longer
DiscardEdits();
- m_filename = filename;
+ // if it worked, save for future calls
+ m_filename = filenameToUse;
return TRUE;
}
+#endif // wxUSE_FFILE
wxLogError(_("The text couldn't be saved."));
-#endif // wxUSE_FFILE
return FALSE;
}
#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
// ----------------------------------------------------------------------------
}
// ----------------------------------------------------------------------------
-// misc
+// emulating key presses
+// ----------------------------------------------------------------------------
+
+#ifdef __WIN32__
+// the generic version is unused in wxMSW
+bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& WXUNUSED(event))
+{
+ return FALSE;
+}
+#else // !__WIN32__
+bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event)
+{
+ wxChar ch = 0;
+ int keycode = event.GetKeyCode();
+ switch ( keycode )
+ {
+ case WXK_NUMPAD0:
+ case WXK_NUMPAD1:
+ case WXK_NUMPAD2:
+ case WXK_NUMPAD3:
+ case WXK_NUMPAD4:
+ case WXK_NUMPAD5:
+ case WXK_NUMPAD6:
+ case WXK_NUMPAD7:
+ case WXK_NUMPAD8:
+ case WXK_NUMPAD9:
+ ch = _T('0') + keycode - WXK_NUMPAD0;
+ break;
+
+ case WXK_MULTIPLY:
+ case WXK_NUMPAD_MULTIPLY:
+ ch = _T('*');
+ break;
+
+ case WXK_ADD:
+ case WXK_NUMPAD_ADD:
+ ch = _T('+');
+ break;
+
+ case WXK_SUBTRACT:
+ case WXK_NUMPAD_SUBTRACT:
+ ch = _T('-');
+ break;
+
+ case WXK_DECIMAL:
+ case WXK_NUMPAD_DECIMAL:
+ ch = _T('.');
+ break;
+
+ case WXK_DIVIDE:
+ case WXK_NUMPAD_DIVIDE:
+ ch = _T('/');
+ break;
+
+ case WXK_DELETE:
+ case WXK_NUMPAD_DELETE:
+ // delete the character at cursor
+ {
+ const long pos = GetInsertionPoint(),
+ last = GetLastPosition();
+ if ( pos < last )
+ Remove(pos, pos + 1);
+ }
+ break;
+
+ case WXK_BACK:
+ // delete the character before the cursor
+ {
+ const long pos = GetInsertionPoint();
+ if ( pos > 0 )
+ Remove(pos - 1, pos);
+ }
+ break;
+
+ default:
+ if ( keycode < 256 && keycode >= 0 && wxIsprint(keycode) )
+ {
+ // FIXME this is not going to work for non letters...
+ if ( !event.ShiftDown() )
+ {
+ keycode = wxTolower(keycode);
+ }
+
+ ch = (wxChar)keycode;
+ }
+ else
+ {
+ ch = _T('\0');
+ }
+ }
+
+ if ( ch )
+ {
+ WriteText(ch);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+#endif // !__WIN32__
+
+// ----------------------------------------------------------------------------
+// selection and ranges
// ----------------------------------------------------------------------------
void wxTextCtrlBase::SelectAll()
SetSelection(0, GetLastPosition());
}
+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;
+}
+
+// do the window-specific processing after processing the update event
+void wxTextCtrlBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
+{
+ if ( event.GetSetEnabled() )
+ Enable(event.GetEnabled());
+
+ if ( event.GetSetText() )
+ {
+ if ( event.GetText() != GetValue() )
+ SetValue(event.GetText());
+ }
+}
+
+
#else // !wxUSE_TEXTCTRL
// define this one even if !wxUSE_TEXTCTRL because it is also used by other
projects / wxWidgets.git / blobdiff