]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/textctrl.cpp
adaptions to m_peer methods
[wxWidgets.git] / src / gtk / textctrl.cpp
index d238a913fae49682d576526945c69e981bcc131f..1a9ae3ca2d7d9e55b9f87afb6d2869ea27c2a004 100644 (file)
@@ -7,10 +7,13 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "textctrl.h"
 #endif
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
 #include "wx/textctrl.h"
 #include "wx/utils.h"
 #include "wx/intl.h"
@@ -18,6 +21,7 @@
 #include "wx/settings.h"
 #include "wx/panel.h"
 #include "wx/strconv.h"
+#include "wx/fontutil.h"        // for wxNativeFontInfo (GetNativeFontInfo())
 
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -46,7 +50,36 @@ extern wxWindowGTK *g_delayedFocus;
 // helpers
 // ----------------------------------------------------------------------------
 
-#ifndef __WXGTK20__
+#ifdef __WXGTK20__
+static void wxGtkTextInsert(GtkWidget *text,
+                            GtkTextBuffer *text_buffer,
+                            const wxTextAttr& attr,
+                            wxCharBuffer buffer)
+
+{
+    PangoFontDescription *font_description = attr.HasFont()
+                         ? attr.GetFont().GetNativeFontInfo()->description
+                         : NULL;
+
+    GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor()
+                                           : NULL;
+
+    GdkColor *colBg = attr.HasBackgroundColour()
+                        ? attr.GetBackgroundColour().GetColor()
+                        : NULL;
+
+    GtkTextTag *tag;
+    tag = gtk_text_buffer_create_tag( text_buffer, NULL, "font-desc", font_description,
+                                     "foreground-gdk", colFg,
+                                     "background-gdk", colBg, NULL );
+
+    GtkTextIter iter;
+    gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
+                                     gtk_text_buffer_get_insert (text_buffer) );
+
+    gtk_text_buffer_insert_with_tags( text_buffer, &iter, buffer, strlen(buffer), tag, NULL );
+}
+#else
 static void wxGtkTextInsert(GtkWidget *text,
                             const wxTextAttr& attr,
                             const char *txt,
@@ -270,13 +303,15 @@ bool wxTextCtrl::Create( wxWindow *parent,
         gtk_container_add( GTK_CONTAINER(m_widget), m_text );
 
         // Global settings which can be overridden by tags, I guess.
-        if (HasFlag( wxHSCROLL ))
+        if (HasFlag( wxHSCROLL ) || HasFlag( wxTE_DONTWRAP ))
             gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_NONE );
         else
             gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_WORD );
 
         if (!HasFlag(wxNO_BORDER))
             gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN );
+            
+        GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 #else
         // create our control ...
         m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
@@ -313,18 +348,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
     m_focusWidget = m_text;
 
-    PostCreation();
-
-    SetFont( parent->GetFont() );
-
-    wxSize size_best( DoGetBestSize() );
-    wxSize new_size( size );
-    if (new_size.x == -1)
-        new_size.x = size_best.x;
-    if (new_size.y == -1)
-        new_size.y = size_best.y;
-    if ((new_size.x != size.x) || (new_size.y != size.y))
-        SetSize( new_size.x, new_size.y );
+    PostCreation(size);
 
     if (multi_line)
         gtk_widget_show(m_text);
@@ -391,16 +415,36 @@ bool wxTextCtrl::Create( wxWindow *parent,
 #ifdef __WXGTK20__
         else
             gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE);
-    }
 #else
     }
     else
     {
         if (multi_line)
             gtk_text_set_editable( GTK_TEXT(m_text), 1 );
-    }
 #endif
+    }
 
+#ifdef __WXGTK20__
+    if (multi_line)
+    {
+        if (style & wxTE_RIGHT)
+            gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_RIGHT );
+        else if (style & wxTE_CENTRE)
+            gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_CENTER );
+        // Left justify (alignment) is the default and we don't need to apply GTK_JUSTIFY_LEFT
+    }
+    // gtk_entry_set_alignment was introduced in gtk+-2.3.5
+#if GTK_CHECK_VERSION(2, 3, 5)
+    else
+    {
+        if (style & wxTE_RIGHT)
+            gtk_entry_set_alignment( GTK_ENTRY(m_text), 1.0 );
+        else if (style & wxTE_CENTRE)
+            gtk_entry_set_alignment( GTK_ENTRY(m_text), 0.5 );
+    }
+#endif // gtk+-2.3.5
+#endif // __WXGTK20__
+    
     // We want to be notified about text changes.
 #ifdef __WXGTK20__
     if (multi_line)
@@ -410,30 +454,21 @@ bool wxTextCtrl::Create( wxWindow *parent,
     }
     else
 #endif
+    
     {
-    gtk_signal_connect( GTK_OBJECT(m_text), "changed",
-       GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+        gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+            GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
     }
 
-    // we don't set a valid background colour, because the window
-    // manager should use a default one
-    m_backgroundColour = wxColour();
-
-    wxColour colFg = parent->GetForegroundColour();
-    SetForegroundColour( colFg );
-
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 
-#ifndef __WXGTK20__
-    wxTextAttr attrDef( colFg, m_backgroundColour, parent->GetFont() );
+    wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
     SetDefaultStyle( attrDef );
-#endif
-
-    Show( TRUE );
 
     return TRUE;
 }
 
+
 void wxTextCtrl::CalculateScrollbar()
 {
 #ifndef __WXGTK20__
@@ -475,7 +510,7 @@ wxString wxTextCtrl::GetValue() const
         GtkTextIter end;
         gtk_text_buffer_get_end_iter( text_buffer, &end );
         gchar *text = gtk_text_buffer_get_text( text_buffer, &start, &end, TRUE );
-        
+
 #if wxUSE_UNICODE
         wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) );
 #else
@@ -528,7 +563,7 @@ void wxTextCtrl::SetValue( const wxString &value )
     }
 
     // GRG, Jun/2000: Changed this after a lot of discussion in
-    //   the lists. wxWindows 2.2 will have a set of flags to
+    //   the lists. wxWidgets 2.2 will have a set of flags to
     //   customize this behaviour.
     SetInsertionPoint(0);
 
@@ -552,9 +587,17 @@ void wxTextCtrl::WriteText( const wxString &text )
         wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
 #endif
         GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
-        // TODO: call wahtever is needed to delete the selection
-        gtk_text_buffer_insert_at_cursor( text_buffer, buffer, strlen(buffer) );
 
+        // TODO: Call whatever is needed to delete the selection.
+        wxGtkTextInsert( m_text, text_buffer, m_defaultStyle, buffer );
+
+        GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
+        // Scroll to cursor, but only if scrollbar thumb is at the very bottom
+        if ( adj->value == adj->upper - adj->page_size )
+        {
+            gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
+                    gtk_text_buffer_get_insert( text_buffer ), 0.0, FALSE, 0.0, 1.0 );
+        }
 #else // GTK 1.x
         // After cursor movements, gtk_text_get_point() is wrong by one.
         gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) );
@@ -565,6 +608,13 @@ void wxTextCtrl::WriteText( const wxString &text )
         gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
         wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len());
 
+        // we called wxGtkTextInsert with correct font, no need to do anything
+        // in UpdateFontIfNeeded() any longer
+        if ( !text.empty() )
+        {
+            m_updateFont = FALSE;
+        }
+
         // Bring editable's cursor back uptodate.
         SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
 #endif // GTK 1.x/2.0
@@ -628,10 +678,21 @@ wxString wxTextCtrl::GetLineText( long lineNo ) const
             return buf;
         }
         else
-#endif
         {
             return wxEmptyString;
         }
+#else
+        GtkTextBuffer *text_buffer;
+        text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(m_text));
+        GtkTextIter line;
+        gtk_text_buffer_get_iter_at_line(text_buffer,&line,lineNo);
+        GtkTextIter end;
+        gtk_text_buffer_get_end_iter(text_buffer,&end );
+        gchar *text = gtk_text_buffer_get_text(text_buffer,&line,&end,TRUE);
+        wxString result(wxGTK_CONV_BACK(text));
+        g_free(text);
+        return result.BeforeFirst(wxT('\n'));
+#endif
     }
     else
     {
@@ -866,6 +927,11 @@ void wxTextCtrl::OnParentEnable( bool enable )
     }
 }
 
+void wxTextCtrl::MarkDirty()
+{
+    m_modified = TRUE;
+}
+
 void wxTextCtrl::DiscardEdits()
 {
     m_modified = FALSE;
@@ -949,7 +1015,14 @@ void wxTextCtrl::SetSelection( long from, long to )
     if (m_windowStyle & wxTE_MULTILINE)
     {
 #ifdef __WXGTK20__
-        // ????
+        GtkTextBuffer *buf = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
+
+        GtkTextIter fromi, toi;
+        gtk_text_buffer_get_iter_at_offset( buf, &fromi, from );
+        gtk_text_buffer_get_iter_at_offset( buf, &toi, to );
+
+        gtk_text_buffer_place_cursor( buf, &toi );
+        gtk_text_buffer_move_mark_by_name( buf, "selection_bound", &fromi );
 #else
         gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
 #endif
@@ -962,9 +1035,16 @@ void wxTextCtrl::SetSelection( long from, long to )
 
 void wxTextCtrl::ShowPosition( long pos )
 {
-#ifndef __WXGTK20__
     if (m_windowStyle & wxTE_MULTILINE)
     {
+#ifdef __WXGTK20__
+        GtkTextBuffer *buf = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
+        GtkTextIter iter;
+        gtk_text_buffer_get_start_iter( buf, &iter );
+        gtk_text_iter_set_offset( &iter, pos );
+        GtkTextMark *mark = gtk_text_buffer_create_mark( buf, NULL, &iter, TRUE );
+        gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 );
+#else // GTK 1.x
         GtkAdjustment *vp = GTK_TEXT(m_text)->vadj;
         float totalLines =  (float) GetNumberOfLines();
         long posX;
@@ -973,8 +1053,8 @@ void wxTextCtrl::ShowPosition( long pos )
         float posLine = (float) posY;
         float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower;
         gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p);
+#endif // GTK 1.x/2.x
     }
-#endif
 }
 
 long wxTextCtrl::GetInsertionPoint() const
@@ -1033,29 +1113,44 @@ void wxTextCtrl::Remove( long from, long to )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
-#ifndef __WXGTK20__
-    gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+#ifdef __WXGTK20__
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        GtkTextBuffer *
+            text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
+
+        GtkTextIter fromi, toi;
+        gtk_text_buffer_get_iter_at_offset( text_buffer, &fromi, from );
+        gtk_text_buffer_get_iter_at_offset( text_buffer, &toi, to );
+
+        gtk_text_buffer_delete( text_buffer, &fromi, &toi );
+    }
+    else // single line
 #endif
+    gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
 }
 
 void wxTextCtrl::Replace( long from, long to, const wxString &value )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
-#ifndef __WXGTK20__
-    gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+    Remove( from, to );
 
     if (!value.IsEmpty())
     {
+#ifdef __WXGTK20__
+        SetInsertionPoint( from );
+        WriteText( value );
+#else // GTK 1.x
         gint pos = (gint)from;
 #if wxUSE_UNICODE
         wxWX2MBbuf buf = value.mbc_str();
         gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos );
 #else
         gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
-#endif
+#endif // wxUSE_UNICODE
+#endif // GTK 1.x/2.x
     }
-#endif
 }
 
 void wxTextCtrl::Cut()
@@ -1118,31 +1213,49 @@ void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
-    gint from, to;
+    gint from = -1;
+    gint to = -1;
+    bool haveSelection = FALSE;
+
 #ifdef __WXGTK20__
-    if ( !gtk_editable_get_selection_bounds(GTK_EDITABLE(m_text), &from, &to) )
-#else
-    if ( !(GTK_EDITABLE(m_text)->has_selection) )
-#endif
-    {
-        from =
-        to = GetInsertionPoint();
-    }
-    else // got selection
-    {
-#ifndef __WXGTK20__
-        from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
-        to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
+     if (m_windowStyle & wxTE_MULTILINE)
+     {
+         GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (m_text));
+         GtkTextIter ifrom, ito;
+         if ( gtk_text_buffer_get_selection_bounds(buffer, &ifrom, &ito) )
+         {
+             haveSelection = TRUE;
+             from = gtk_text_iter_get_offset(&ifrom);
+             to = gtk_text_iter_get_offset(&ito);
+         }
+     }
+     else  // not multi-line
+     {
+         if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
+                                                 &from, &to) )
+         {
+             haveSelection = TRUE;
+         }
+     }
+#else //  not GTK2
+     if ( (GTK_EDITABLE(m_text)->has_selection) )
+     {
+         haveSelection = TRUE;
+         from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
+         to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
+     }
 #endif
 
-        if ( from > to )
-        {
-            // exchange them to be compatible with wxMSW
-            gint tmp = from;
-            from = to;
-            to = tmp;
-        }
-    }
+     if (! haveSelection )
+          from = to = GetInsertionPoint();
+
+     if ( from > to )
+     {
+         // exchange them to be compatible with wxMSW
+         gint tmp = from;
+         from = to;
+         to = tmp;
+     }
 
     if ( fromOut )
         *fromOut = from;
@@ -1150,12 +1263,20 @@ void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
         *toOut = to;
 }
 
+
 bool wxTextCtrl::IsEditable() const
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 
 #ifdef __WXGTK20__
-    return gtk_editable_get_editable(GTK_EDITABLE(m_text));
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
+    }
+    else
+    {
+        return gtk_editable_get_editable(GTK_EDITABLE(m_text));
+    }
 #else
     return GTK_EDITABLE(m_text)->editable;
 #endif
@@ -1295,14 +1416,6 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
     if (!m_widget->window)
         return FALSE;
 
-    wxColour sysbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
-    if (sysbg.Red() == colour.Red() &&
-        sysbg.Green() == colour.Green() &&
-        sysbg.Blue() == colour.Blue())
-    {
-        return FALSE; // FIXME or TRUE?
-    }
-
     if (!m_backgroundColour.Ok())
         return FALSE;
 
@@ -1326,16 +1439,50 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
 
 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) */
     if ( m_windowStyle & wxTE_MULTILINE )
     {
-#ifndef __WXGTK20__
         if ( style.IsDefault() )
         {
             // nothing to do
             return TRUE;
         }
+#ifdef __WXGTK20__
+        GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
+        gint l = gtk_text_buffer_get_char_count( text_buffer );
+
+        wxCHECK_MSG( start >= 0 && end <= l, FALSE,
+                     _T("invalid range in wxTextCtrl::SetStyle") );
+
+        GtkTextIter starti, endi;
+        gtk_text_buffer_get_iter_at_offset( text_buffer, &starti, start );
+        gtk_text_buffer_get_iter_at_offset( text_buffer, &endi, end );
+
+        // 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
+        wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this);
+
+        PangoFontDescription *font_description = attr.HasFont()
+                             ? attr.GetFont().GetNativeFontInfo()->description
+                             : NULL;
+
+        GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor()
+                                               : NULL;
+
+        GdkColor *colBg = attr.HasBackgroundColour()
+                            ? attr.GetBackgroundColour().GetColor()
+                            : NULL;
+
+        GtkTextTag *tag;
+        tag = gtk_text_buffer_create_tag( text_buffer, NULL, "font-desc", font_description,
+                                         "foreground-gdk", colFg,
+                                         "background-gdk", colBg, NULL );
+        gtk_text_buffer_apply_tag( text_buffer, tag, &starti, &endi );
+
+         return TRUE;
+#else
+        // VERY dirty way to do that - removes the required text and re-adds it
+        // with styling (FIXME)
 
         gint l = gtk_text_get_length( GTK_TEXT(m_text) );
 
@@ -1380,17 +1527,9 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
     }
 }
 
-void wxTextCtrl::ApplyWidgetStyle()
+void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
 {
-    if (m_windowStyle & wxTE_MULTILINE)
-    {
-        // how ?
-    }
-    else
-    {
-        SetWidgetStyle();
-        gtk_widget_set_style( m_text, m_widgetStyle );
-    }
+    gtk_widget_modify_style(m_text, style);
 }
 
 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
@@ -1478,14 +1617,17 @@ void wxTextCtrl::OnInternalIdle()
         }
     }
 
-    UpdateWindowUI();
+    if (wxUpdateUIEvent::CanUpdate(this))
+        UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
 }
 
 wxSize wxTextCtrl::DoGetBestSize() const
 {
     // FIXME should be different for multi-line controls...
     wxSize ret( wxControl::DoGetBestSize() );
-    return wxSize(80, ret.y);
+    wxSize best(80, ret.y);
+    CacheBestSize(best);
+    return best;
 }
 
 // ----------------------------------------------------------------------------
@@ -1583,3 +1725,10 @@ bool wxTextCtrl::ScrollPages(int pages)
 #endif
 }
 
+
+// static
+wxVisualAttributes
+wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+    return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
+}