Smooth Aqua buttons in wxTreeCtrl.

[wxWidgets.git] / src / gtk1 / textctrl.cpp

diff --git a/src/gtk1/textctrl.cpp b/src/gtk1/textctrl.cpp
index 0e2fab3a2619b4e005f51253f14fb02ceb34dca7..044106456711c296bac7d8bf34b4f9b581448a2c 100644 (file)
--- a/src/gtk1/textctrl.cpp
+++ b/src/gtk1/textctrl.cpp
@@ -41,145 +41,105 @@ extern bool g_isIdle;
 extern bool       g_blockEventsOnDrag;
 extern wxCursor   g_globalCursor;
 
 extern bool       g_blockEventsOnDrag;
 extern wxCursor   g_globalCursor;
 

-//-----------------------------------------------------------------------------
-//  "changed"
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// helpers
+// ----------------------------------------------------------------------------

 
 

-static void
-gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
+static void wxGtkTextInsert(GtkWidget *text,
+                            const wxTextAttr& attr,
+                            const char *txt,
+                            size_t len)

 {
 {

-    if (!win->m_hasVMT) return;
+    GdkFont *font = attr.HasFont() ? attr.GetFont().GetInternalFont()
+                                   : NULL;

 
 

-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor()
+                                           : NULL;

 
 

-    win->SetModified();
-    win->UpdateFontIfNeeded();
+    GdkColor *colBg = attr.HasBackgroundColour()
+                        ? attr.GetBackgroundColour().GetColor()
+                        : NULL;

 
 

-    wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
-    event.SetString( win->GetValue() );
-    event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
+    gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len );

 }
 
 }
 

-//-----------------------------------------------------------------------------
-// "changed" from vertical scrollbar
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// "insert_text" for GtkEntry
+// ----------------------------------------------------------------------------

 
 static void
 
 static void

-gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
+gtk_insert_text_callback(GtkEditable *editable,
+                         const gchar *new_text,
+                         gint new_text_length,
+                         gint *position,
+                         wxTextCtrl *win)

 {
 {

-    if (!win->m_hasVMT) return;
-

     if (g_isIdle)
         wxapp_install_idle_handler();
 
     if (g_isIdle)
         wxapp_install_idle_handler();
 

-    win->CalculateScrollbar();
+    // we should only be called if we have a max len limit at all
+    GtkEntry *entry = GTK_ENTRY (editable);
+
+    wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") );
+
+    // check that we don't overflow the max length limit
+    //
+    // FIXME: this doesn't work when we paste a string which is going to be
+    //        truncated
+    if ( entry->text_length == entry->text_max_length )
+    {
+        // we don't need to run the base class version at all
+        gtk_signal_emit_stop_by_name(GTK_OBJECT(editable), "insert_text");
+
+        // remember that the next changed signal is to be ignored to avoid
+        // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
+        win->IgnoreNextTextUpdate();
+
+        // and generate the correct one ourselves
+        wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
+        event.SetEventObject(win);
+        event.SetString(win->GetValue());
+        win->GetEventHandler()->ProcessEvent( event );
+    }

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

-// "focus_in_event"
+//  "changed"

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-extern wxWindow  *g_focusWindow;
-extern bool       g_blockEventsOnDrag;
-// extern bool g_isIdle;
-
-static gint gtk_text_focus_in_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win )
+static void
+gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )

 {
 {

-    // Necessary?
-#if 0
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-#endif
-    if (!win->m_hasVMT) return FALSE;
-    if (g_blockEventsOnDrag) return FALSE;
-
-    g_focusWindow = win;
+    if ( win->IgnoreTextUpdate() )
+        return;

 
 

-    // notify the parent that we got the focus
-    wxChildFocusEvent eventFocus(win);
-    (void)win->GetEventHandler()->ProcessEvent(eventFocus);
+    if (!win->m_hasVMT) return;

 
 

-#ifdef HAVE_XIM
-    if (win->m_ic)
-        gdk_im_begin(win->m_ic, win->m_wxwindow->window);
-#endif
+    if (g_isIdle)
+        wxapp_install_idle_handler();

 
 

-#if 0
-#ifdef wxUSE_CARET
-    // caret needs to be informed about focus change
-    wxCaret *caret = win->GetCaret();
-    if ( caret )
-    {
-        caret->OnSetFocus();
-    }
-#endif // wxUSE_CARET
-#endif
+    win->SetModified();
+    win->UpdateFontIfNeeded();

 
 

-    wxFocusEvent event( wxEVT_SET_FOCUS, win->GetId() );
+    wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );

     event.SetEventObject( win );
     event.SetEventObject( win );

-
-    if (win->GetEventHandler()->ProcessEvent( event ))
-    {
-        return TRUE;
-    }
-
-    return FALSE;
+    event.SetString( win->GetValue() );
+    win->GetEventHandler()->ProcessEvent( event );

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

-// "focus_out_event"
+// "changed" from vertical scrollbar

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-static gint gtk_text_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win )
+static void
+gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )

 {
 {

-#if 0
+    if (!win->m_hasVMT) return;
+

     if (g_isIdle)
         wxapp_install_idle_handler();
     if (g_isIdle)
         wxapp_install_idle_handler();

-#endif

 
 

-    if (!win->m_hasVMT) return FALSE;
-    if (g_blockEventsOnDrag) return FALSE;
-
-#if 0
-    // if the focus goes out of our app alltogether, OnIdle() will send
-    // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
-    // g_sendActivateEvent to -1
-    g_sendActivateEvent = 0;
-#endif
-
-    wxWindow *winFocus = wxFindFocusedChild(win);
-    if ( winFocus )
-        win = winFocus;
-
-    g_focusWindow = (wxWindow *)NULL;
-
-#ifdef HAVE_XIM
-    if (win->m_ic)
-        gdk_im_end();
-#endif
-
-#if 0
-#ifdef wxUSE_CARET
-    // caret needs to be informed about focus change
-    wxCaret *caret = win->GetCaret();
-    if ( caret )
-    {
-        caret->OnKillFocus();
-    }
-#endif // wxUSE_CARET
-#endif
-
-    wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
-    event.SetEventObject( win );
-
-    if (win->GetEventHandler()->ProcessEvent( event ))
-    {
-        return TRUE;
-    }
-
-    return FALSE;
+    win->CalculateScrollbar();

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


@@ -206,6 +166,7 @@ END_EVENT_TABLE()
 
 void wxTextCtrl::Init()
 {
 
 void wxTextCtrl::Init()
 {

+    m_ignoreNextUpdate =

     m_modified = FALSE;
     m_updateFont = FALSE;
     m_text =
     m_modified = FALSE;
     m_updateFont = FALSE;
     m_text =


@@ -307,6 +268,8 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
     m_parent->DoAddChild( this );
 
 
     m_parent->DoAddChild( this );
 

+    m_focusWidget = m_text;
+

     PostCreation();
 
     SetFont( parent->GetFont() );
     PostCreation();
 
     SetFont( parent->GetFont() );


@@ -327,20 +290,6 @@ bool wxTextCtrl::Create( wxWindow *parent,
     {
         gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
           (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
     {
         gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
           (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );

-
-        gtk_signal_connect( GTK_OBJECT(GTK_TEXT(m_text)), "focus_in_event",
-              GTK_SIGNAL_FUNC(gtk_text_focus_in_callback), (gpointer)this );
-
-        gtk_signal_connect( GTK_OBJECT(GTK_TEXT(m_text)), "focus_out_event",
-                           GTK_SIGNAL_FUNC(gtk_text_focus_out_callback), (gpointer)this );
-    }
-    else
-    {
-        gtk_signal_connect( GTK_OBJECT(m_text), "focus_in_event",
-              GTK_SIGNAL_FUNC(gtk_text_focus_in_callback), (gpointer)this );
-
-        gtk_signal_connect( GTK_OBJECT(m_text), "focus_out_event",
-                           GTK_SIGNAL_FUNC(gtk_text_focus_out_callback), (gpointer)this );

     }
 
     if (!value.IsEmpty())
     }
 
     if (!value.IsEmpty())


@@ -398,10 +347,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 

-    // FIXME: is the bg colour correct here?
-    wxTextAttr attrDef( colFg,
-                        wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW),
-                        parent->GetFont() );
+    wxTextAttr attrDef( colFg, m_backgroundColour, parent->GetFont() );

     SetDefaultStyle( attrDef );
 
     Show( TRUE );
     SetDefaultStyle( attrDef );
 
     Show( TRUE );


@@ -499,131 +445,80 @@ void wxTextCtrl::WriteText( const wxString &text )
 
     if ( m_windowStyle & wxTE_MULTILINE )
     {
 
     if ( m_windowStyle & wxTE_MULTILINE )
     {

-        /* this moves the cursor pos to behind the inserted text */
-        gint len = GTK_EDITABLE(m_text)->current_pos;
+        // After cursor movements, gtk_text_get_point() is wrong by one.
+        gtk_text_set_point( GTK_TEXT(m_text), GTK_EDITABLE(m_text)->current_pos );

 
         // if we have any special style, use it
         if ( !m_defaultStyle.IsDefault() )
         {
 
         // if we have any special style, use it
         if ( !m_defaultStyle.IsDefault() )
         {

-            GdkFont *font = m_defaultStyle.HasFont()
-                                ? m_defaultStyle.GetFont().GetInternalFont()
-                                : NULL;
-
-            GdkColor *colFg = m_defaultStyle.HasTextColour()
-                                ? m_defaultStyle.GetTextColour().GetColor()
-                                : NULL;
-
-            GdkColor *colBg = m_defaultStyle.HasBackgroundColour()
-                                ? m_defaultStyle.GetBackgroundColour().GetColor()
-                                : NULL;
+            GetInsertionPoint();

 
 

-            gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
+            wxGtkTextInsert(m_text, m_defaultStyle, txt, txtlen);

         }
         else // no style
         {
         }
         else // no style
         {

+            gint len = GTK_EDITABLE(m_text)->current_pos;

             gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
         }
 
             gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
         }
 

-        /* bring editable's cursor uptodate. bug in GTK. */
+        // Bring editable's cursor back uptodate.

         GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
     }
     else // single line
     {
         GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
     }
     else // single line
     {

-        /* this moves the cursor pos to behind the inserted text */
+        // This moves the cursor pos to behind the inserted text.

         gint len = GTK_EDITABLE(m_text)->current_pos;
         gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
 
         gint len = GTK_EDITABLE(m_text)->current_pos;
         gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
 

-        /* bring editable's cursor uptodate. bug in GTK. */
+        // Bring editable's cursor uptodate.

         GTK_EDITABLE(m_text)->current_pos += text.Len();
 
         GTK_EDITABLE(m_text)->current_pos += text.Len();
 

-        /* bring entry's cursor uptodate. bug in GTK. */
+        // Bring entry's cursor uptodate.

         gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos );
     }
         gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos );
     }

+
+    m_modified = TRUE;

 }
 
 void wxTextCtrl::AppendText( const wxString &text )
 {
 }
 
 void wxTextCtrl::AppendText( const wxString &text )
 {

-    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
-
-    if ( text.empty() )
-        return;
-
-#if wxUSE_UNICODE
-    wxWX2MBbuf buf = text.mbc_str();
-    const char *txt = buf;
-    size_t txtlen = strlen(buf);
-#else
-    const char *txt = text;
-    size_t txtlen = text.length();
-#endif
+    SetInsertionPointEnd();
+    WriteText( text );
+}

 
 

+wxString wxTextCtrl::GetLineText( long lineNo ) const
+{

     if (m_windowStyle & wxTE_MULTILINE)
     {
     if (m_windowStyle & wxTE_MULTILINE)
     {

-        if ( !m_defaultStyle.IsDefault() )
-        {
-            wxFont font = m_defaultStyle.HasFont() ? m_defaultStyle.GetFont()
-                                                   : m_font;
-            GdkFont *fnt = font.Ok() ? font.GetInternalFont() : NULL;
-
-            wxColour col = m_defaultStyle.HasTextColour()
-                                ? m_defaultStyle.GetTextColour()
-                                : m_foregroundColour;
-            GdkColor *colFg = col.Ok() ? col.GetColor() : NULL;
+        gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+        char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );

 
 

-            col = m_defaultStyle.HasBackgroundColour()
-                    ? m_defaultStyle.GetBackgroundColour()
-                    : m_backgroundColour;
-            GdkColor *colBg = col.Ok() ? col.GetColor() : NULL;
+        if (text)
+        {
+            wxString buf(wxT(""));
+            long i;
+            int currentLine = 0;
+            for (i = 0; currentLine != lineNo && text[i]; i++ )
+                if (text[i] == '\n')
+            currentLine++;
+            // Now get the text
+            int j;
+            for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
+                buf += text[i];

 
 

-            gtk_text_insert( GTK_TEXT(m_text), fnt, colFg, colBg, txt, txtlen );
+            g_free( text );
+            return buf;

         }
         }

-        else // no style
+        else

         {
         {

-            /* we'll insert at the last position */
-            gint len = gtk_text_get_length( GTK_TEXT(m_text) );
-            gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
+            return wxEmptyString;

         }
         }

-
-        /* bring editable's cursor uptodate. bug in GTK. */
-        GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
-    }
-    else // single line
-    {
-        gtk_entry_append_text( GTK_ENTRY(m_text), txt );

     }
     }

-}
-
-wxString wxTextCtrl::GetLineText( long lineNo ) const
-{
-  if (m_windowStyle & wxTE_MULTILINE)
-  {
-    gint len = gtk_text_get_length( GTK_TEXT(m_text) );
-    char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
-
-    if (text)
+    else

     {
     {

-        wxString buf(wxT(""));
-        long i;
-        int currentLine = 0;
-        for (i = 0; currentLine != lineNo && text[i]; i++ )
-          if (text[i] == '\n')
-            currentLine++;
-        // Now get the text
-        int j;
-        for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
-            buf += text[i];
-
-        g_free( text );
-        return buf;
+        if (lineNo == 0) return GetValue();
+        return wxEmptyString;

     }
     }

-    else
-      return wxEmptyString;
-  }
-  else
-  {
-    if (lineNo == 0) return GetValue();
-    return wxEmptyString;
-  }

 }
 
 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
 }
 
 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )


@@ -826,11 +721,58 @@ void wxTextCtrl::DiscardEdits()
     m_modified = FALSE;
 }
 
     m_modified = FALSE;
 }
 

+// ----------------------------------------------------------------------------
+// max text length support
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::IgnoreNextTextUpdate()
+{
+    m_ignoreNextUpdate = TRUE;
+}
+
+bool wxTextCtrl::IgnoreTextUpdate()
+{
+    if ( m_ignoreNextUpdate )
+    {
+        m_ignoreNextUpdate = FALSE;
+
+        return TRUE;
+    }
+
+    return FALSE;
+}
+

 void wxTextCtrl::SetMaxLength(unsigned long len)
 {
     if ( !HasFlag(wxTE_MULTILINE) )
     {
         gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
 void wxTextCtrl::SetMaxLength(unsigned long len)
 {
     if ( !HasFlag(wxTE_MULTILINE) )
     {
         gtk_entry_set_max_length(GTK_ENTRY(m_text), len);

+
+        // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
+        // we had tried to enter more text than allowed by max text length and
+        // the text wasn't really changed
+        //
+        // to detect this and generate TEXT_MAXLEN event instead of
+        // TEXT_CHANGED one in this case we also catch "insert_text" signal
+        //
+        // when max len is set to 0 we disconnect our handler as it means that
+        // we shouldn't check anything any more
+        if ( len )
+        {
+            gtk_signal_connect( GTK_OBJECT(m_text),
+                                "insert_text",
+                                GTK_SIGNAL_FUNC(gtk_insert_text_callback),
+                                (gpointer)this);
+        }
+        else // no checking
+        {
+            gtk_signal_disconnect_by_func
+            (
+                GTK_OBJECT(m_text),
+                GTK_SIGNAL_FUNC(gtk_insert_text_callback),
+                (gpointer)this
+            );
+        }

     }
 }
 
     }
 }
 


@@ -1144,7 +1086,7 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
     return TRUE;
 }
 
     return TRUE;
 }
 

-bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr &style )
+bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )

 {
     /* VERY dirty way to do that - removes the required text and re-adds it
        with styling (FIXME) */
 {
     /* VERY dirty way to do that - removes the required text and re-adds it
        with styling (FIXME) */


@@ -1178,19 +1120,13 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr &style )
         size_t txtlen = tmp.length();
 #endif
 
         size_t txtlen = tmp.length();
 #endif
 

-        GdkFont *font = style.HasFont()
-                            ? style.GetFont().GetInternalFont()
-                            : NULL;
-
-        GdkColor *colFg = style.HasTextColour()
-                            ? style.GetTextColour().GetColor()
-                            : NULL;
-
-        GdkColor *colBg = style.HasBackgroundColour()
-                            ? style.GetBackgroundColour().GetColor()
-                            : NULL;
-
-        gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
+        // use the attributes from style which are set in it and fall back
+        // first to the default style and then to the text control default
+        // colours for the others
+        wxGtkTextInsert(m_text,
+                        wxTextAttr::Combine(style, m_defaultStyle, this),
+                        txt,
+                        txtlen);

 
         /* does not seem to help under GTK+ 1.2 !!!
         gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */
 
         /* does not seem to help under GTK+ 1.2 !!!
         gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */