i18n files are installed as part of wxBase (and should be ideally part of separate...

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

diff --git a/src/common/textcmn.cpp b/src/common/textcmn.cpp
index 5ccdea78f39a0dbdf5922d14fa324220231e166b..9da659d9fb4fad5ac3cd39f1bdeadf85eb018c30 100644 (file)
--- a/src/common/textcmn.cpp
+++ b/src/common/textcmn.cpp
@@ -1,21 +1,18 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// 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:      $Id$
 // 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
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 // declarations
 // ============================================================================

-#ifdef __GNUG__
-    #pragma implementation "textctrlbase.h"
-#endif
-        
+

 // for compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // for compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -23,10 +20,17 @@
     #pragma hdrstop
 #endif
 
     #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"
 #ifndef WX_PRECOMP
     #include "wx/intl.h"
     #include "wx/log.h"

-    #include "wx/textctrl.h"

 #endif // WX_PRECOMP
 
 #include "wx/ffile.h"
 #endif // WX_PRECOMP
 
 #include "wx/ffile.h"


@@ -43,16 +47,149 @@
 // implementation
 // ============================================================================
 
 // 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()
+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

 {
 {

-#ifndef NO_TEXT_WINDOW_STREAM
-    if (allocate())
-        setp(base(),ebuf());
-#endif // NO_TEXT_WINDOW_STREAM
+    return m_defaultStyle;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -61,6 +198,7 @@ wxTextCtrlBase::wxTextCtrlBase()
 
 bool wxTextCtrlBase::LoadFile(const wxString& filename)
 {
 
 bool wxTextCtrlBase::LoadFile(const wxString& filename)
 {

+#if wxUSE_FFILE

     wxFFile file(filename);
     if ( file.IsOpened() )
     {
     wxFFile file(filename);
     if ( file.IsOpened() )
     {


@@ -73,40 +211,44 @@ bool wxTextCtrlBase::LoadFile(const wxString& filename)
 
             m_filename = filename;
 
 
             m_filename = filename;
 

-            return TRUE;
+            return true;

         }
     }
 
     wxLogError(_("File couldn't be loaded."));
         }
     }
 
     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)
 {

-    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."));
 
     {
         // 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");
+#if wxUSE_FFILE
+    wxFFile file(filenameToUse, _T("w"));

     if ( file.IsOpened() && file.Write(GetValue()) )
     {
         // it's not modified any longer
         DiscardEdits();
 
     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;
+        return true;

     }
     }

+#endif // wxUSE_FFILE

 
     wxLogError(_("The text couldn't be saved."));
 
 
     wxLogError(_("The text couldn't be saved."));
 

-    return FALSE;
+    return false;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -160,36 +302,229 @@ wxTextCtrl& wxTextCtrlBase::operator<<(const wxChar c)
 // streambuf methods implementation
 // ----------------------------------------------------------------------------
 
 // 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;
+}
+
+#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