///////////////////////////////////////////////////////////////////////////////
-// Name: common/textcmn.cpp
+// Name: src/common/textcmn.cpp
// Purpose: implementation of platform-independent functions of wxTextCtrl
// Author: Julian Smart
// Modified by:
// Created: 13.07.99
// RCS-ID: $Id$
-// Copyright: (c) wxWindows team
-// Licence: wxWindows license
+// Copyright: (c) wxWidgets team
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
-#ifdef __GNUG__
- #pragma implementation "textctrlbase.h"
-#endif
-
+
// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#ifndef WX_PRECOMP
+ #include "wx/event.h"
+#endif // WX_PRECOMP
+
+#if wxUSE_TEXTCTRL
+
+#include "wx/textctrl.h"
+
#ifndef WX_PRECOMP
#include "wx/intl.h"
#include "wx/log.h"
- #include "wx/textctrl.h"
#endif // WX_PRECOMP
#include "wx/ffile.h"
// 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)
+
+IMPLEMENT_ABSTRACT_CLASS(wxTextCtrlBase, wxControl)
+
// ----------------------------------------------------------------------------
-// ctor
+// style functions - not implemented here
// ----------------------------------------------------------------------------
-wxTextCtrlBase::wxTextCtrlBase()
-#if !wxUSE_IOSTREAMH
- #ifndef NO_TEXT_WINDOW_STREAM
- :streambuf()
- #endif //NO_TEXT_WINDOW_STREAM
-#endif //!wxUSE_IOSTREAMH
+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_leftSubIndent = 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_leftSubIndent = 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(), attr.GetLeftSubIndent());
+ else if (attrDef.HasLeftIndent())
+ newAttr.SetLeftIndent(attrDef.GetLeftIndent(), attr.GetLeftSubIndent());
+
+ 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_leftSubIndent = attr.m_leftSubIndent;
+ 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))
+{
+ // to be implemented in derived TextCtrl classes
+ 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)
+{
+ // 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;
+}
+
+// get default text attributes
+const wxTextAttr& wxTextCtrlBase::GetDefaultStyle() const
{
-#if wxUSE_IOSTREAMH
- #ifndef NO_TEXT_WINDOW_STREAM
- if (allocate())
- setp(base(),ebuf());
- #endif // NO_TEXT_WINDOW_STREAM
-#endif //wxUSE_IOSTREAMH
+ return m_defaultStyle;
}
// ----------------------------------------------------------------------------
// file IO functions
// ----------------------------------------------------------------------------
-bool wxTextCtrlBase::LoadFile(const wxString& filename)
+bool wxTextCtrlBase::DoLoadFile(const wxString& filename, int WXUNUSED(fileType))
{
+#if wxUSE_FFILE
wxFFile file(filename);
if ( file.IsOpened() )
{
m_filename = filename;
- return TRUE;
+ return true;
}
}
wxLogError(_("File couldn't be loaded."));
+#endif // wxUSE_FFILE
- return FALSE;
+ return false;
}
-bool wxTextCtrlBase::SaveFile(const wxString& filename)
+bool wxTextCtrlBase::SaveFile(const wxString& filename, int fileType)
{
- wxString filenameToUse = filename.IsEmpty() ? m_filename : filename;
- if ( !filenameToUse )
+ wxString filenameToUse = filename.empty() ? m_filename : filename;
+ 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."));
- return FALSE;
+ return false;
}
- wxFFile file(filename, "w");
+ return DoSaveFile(filenameToUse, fileType);
+}
+
+bool wxTextCtrlBase::DoSaveFile(const wxString& filename, int WXUNUSED(fileType))
+{
+#if wxUSE_FFILE
+ wxFFile file(filename, _T("w"));
if ( file.IsOpened() && file.Write(GetValue()) )
{
+ // if it worked, save for future calls
+ m_filename = filename;
+
// it's not modified any longer
DiscardEdits();
- m_filename = filename;
-
- return TRUE;
+ return true;
}
+#endif // wxUSE_FFILE
wxLogError(_("The text couldn't be saved."));
- return FALSE;
+ return false;
}
// ----------------------------------------------------------------------------
// streambuf methods implementation
// ----------------------------------------------------------------------------
-#ifndef NO_TEXT_WINDOW_STREAM
+#if wxHAS_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);
+
+ // return something different from EOF
+ return 0;
}
-int wxTextCtrlBase::sync()
+#endif // wxHAS_TEXT_WINDOW_STREAM
+
+// ----------------------------------------------------------------------------
+// clipboard stuff
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrlBase::CanCopy() const
{
- 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 0;
+ // can copy if there's a selection
+ long from, to;
+ GetSelection(&from, &to);
+ return from != to;
}
-int wxTextCtrlBase::underflow()
+bool wxTextCtrlBase::CanCut() const
{
- return EOF;
+ // can cut if there's a selection and if we're not read only
+ return CanCopy() && IsEditable();
}
-#endif // NO_TEXT_WINDOW_STREAM
+bool wxTextCtrlBase::CanPaste() const
+{
+ // can paste if we are not read only
+ return IsEditable();
+}
+
+// ----------------------------------------------------------------------------
+// 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 = (wxChar)(_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();
+ if ( pos < GetLastPosition() )
+ 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 wxUSE_UNICODE
+ if ( event.GetUnicodeKey() )
+ {
+ ch = event.GetUnicodeKey();
+ }
+ else
+#endif
+ 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)
+{
+ // call inherited, but skip the wxControl's version, and call directly the
+ // wxWindow's one instead, because the only reason why we are overriding this
+ // function is that we want to use SetValue() instead of wxControl::SetLabel()
+ wxWindowBase::DoUpdateWindowUI(event);
+
+ // update text
+ if ( event.GetSetText() )
+ {
+ if ( event.GetText() != GetValue() )
+ SetValue(event.GetText());
+ }
+}
+
+// ----------------------------------------------------------------------------
+// hit testing
+// ----------------------------------------------------------------------------
+
+wxTextCtrlHitTestResult
+wxTextCtrlBase::HitTest(const wxPoint& pt, wxTextCoord *x, wxTextCoord *y) const
+{
+ // implement in terms of the other overload as the native ports typically
+ // can get the position and not (x, y) pair directly (although wxUniv
+ // directly gets x and y -- and so overrides this method as well)
+ long pos;
+ wxTextCtrlHitTestResult rc = HitTest(pt, &pos);
+
+ if ( rc != wxTE_HT_UNKNOWN )
+ {
+ PositionToXY(pos, x, y);
+ }
+
+ return rc;
+}
+
+wxTextCtrlHitTestResult
+wxTextCtrlBase::HitTest(const wxPoint& WXUNUSED(pt),
+ long * WXUNUSED(pos)) const
+{
+ // not implemented
+ return wxTE_HT_UNKNOWN;
+}
+
+// ----------------------------------------------------------------------------
+// events
+// ----------------------------------------------------------------------------
+
+void wxTextCtrlBase::SendTextUpdatedEvent()
+{
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
+
+ // do not do this as it could be very inefficient if the text control
+ // contains a lot of text and we're not using ref-counted wxString
+ // implementation -- instead, event.GetString() will query the control for
+ // its current text if needed
+ //event.SetString(GetValue());
+
+ event.SetEventObject(this);
+ GetEventHandler()->ProcessEvent(event);
+}
+
+#else // !wxUSE_TEXTCTRL
+
+// define this one even if !wxUSE_TEXTCTRL because it is also used by other
+// controls (wxComboBox and wxSpinCtrl)
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED)
+#endif // wxUSE_TEXTCTRL/!wxUSE_TEXTCTRL
projects / wxWidgets.git / blobdiff