]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/textctrl.cpp
implemented wxMBConv::IsUTF8() helper for more classes so that all uses of UTF-8...
[wxWidgets.git] / src / gtk / textctrl.cpp
index 40c89ee5620a41166097da7a76ee224b47953ebb..03d093667cb775336b593a3052f5f998c8487373 100644 (file)
@@ -51,6 +51,24 @@ static void wxGtkOnRemoveTag(GtkTextBuffer *buffer,
 }
 }
 
+// remove all tags starting with the given prefix from the start..end range
+static void
+wxGtkTextRemoveTagsWithPrefix(GtkTextBuffer *text_buffer,
+                              const char *prefix,
+                              GtkTextIter *start,
+                              GtkTextIter *end)
+{
+    gulong remove_handler_id = g_signal_connect
+                               (
+                                text_buffer,
+                                "remove_tag",
+                                G_CALLBACK(wxGtkOnRemoveTag),
+                                gpointer(prefix)
+                               );
+    gtk_text_buffer_remove_all_tags(text_buffer, start, end);
+    g_signal_handler_disconnect(text_buffer, remove_handler_id);
+}
+
 static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
                                        GtkTextBuffer *text_buffer,
                                        const wxTextAttr& attr,
@@ -60,13 +78,10 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
     static gchar buf[1024];
     GtkTextTag *tag;
 
-    gulong remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
-            G_CALLBACK (wxGtkOnRemoveTag), gpointer("WX"));
-    gtk_text_buffer_remove_all_tags(text_buffer, start, end);
-    g_signal_handler_disconnect (text_buffer, remove_handler_id);
-
     if (attr.HasFont())
     {
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFONT", start, end);
+
         PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description;
         wxGtkString font_string(pango_font_description_to_string(font_description));
         g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());
@@ -94,6 +109,8 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
 
     if (attr.HasTextColour())
     {
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFORECOLOR", start, end);
+
         const GdkColor *colFg = attr.GetTextColour().GetColor();
         g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
                    colFg->red, colFg->green, colFg->blue);
@@ -107,6 +124,8 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
 
     if (attr.HasBackgroundColour())
     {
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXBACKCOLOR", start, end);
+
         const GdkColor *colBg = attr.GetBackgroundColour().GetColor();
         g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
                    colBg->red, colBg->green, colBg->blue);
@@ -126,11 +145,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
                                           gtk_text_iter_get_line(start) );
         gtk_text_iter_forward_line(&para_end);
 
-        remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
-                                              G_CALLBACK(wxGtkOnRemoveTag),
-                                              gpointer("WXALIGNMENT"));
-        gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
-        g_signal_handler_disconnect (text_buffer, remove_handler_id);
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", start, end);
 
         GtkJustification align;
         switch (attr.GetAlignment())
@@ -144,7 +159,16 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
             case wxTEXT_ALIGNMENT_CENTER:
                 align = GTK_JUSTIFY_CENTER;
                 break;
-            // gtk+ doesn't support justify as of gtk+-2.7.4
+// gtk+ doesn't support justify before gtk+-2.11.0 with pango-1.17 being available
+// (but if new enough pango isn't available it's a mere gtk warning)
+#if GTK_CHECK_VERSION(2,11,0)
+            case wxTEXT_ALIGNMENT_JUSTIFIED:
+                if (!gtk_check_version(2,11,0))
+                    align = GTK_JUSTIFY_FILL;
+                else
+                    align = GTK_JUSTIFY_LEFT;
+                break;
+#endif
         }
 
         g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align);
@@ -167,11 +191,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
                                           gtk_text_iter_get_line(start) );
         gtk_text_iter_forward_line(&para_end);
 
-        remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
-                                              G_CALLBACK(wxGtkOnRemoveTag),
-                                              gpointer("WXINDENT"));
-        gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
-        g_signal_handler_disconnect (text_buffer, remove_handler_id);
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", start, end);
 
         // Convert indent from 1/10th of a mm into pixels
         float factor;
@@ -220,11 +240,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
                                           gtk_text_iter_get_line(start) );
         gtk_text_iter_forward_line(&para_end);
 
-        remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
-                                              G_CALLBACK(wxGtkOnRemoveTag),
-                                              gpointer("WXTABS"));
-        gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
-        g_signal_handler_disconnect (text_buffer, remove_handler_id);
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", start, end);
 
         const wxArrayInt& tabs = attr.GetTabs();
 
@@ -291,9 +307,6 @@ gtk_insert_text_callback(GtkEditable *editable,
                          gint *position,
                          wxTextCtrl *win)
 {
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
     // we should only be called if we have a max len limit at all
     GtkEntry *entry = GTK_ENTRY (editable);
 
@@ -540,9 +553,6 @@ gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
 
     if (!win->m_hasVMT) return;
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
     if ( win->MarkDirtyOnChange() )
         win->MarkDirty();
 
@@ -647,7 +657,8 @@ void wxTextCtrl::Init()
     SetUpdateFont(false);
 
     m_text = NULL;
-    m_frozenness = 0;
+    m_freezeCount = 0;
+    m_showPositionOnThaw = NULL;
     m_gdkHandCursor = NULL;
     m_gdkXTermCursor = NULL;
 }
@@ -683,9 +694,6 @@ bool wxTextCtrl::Create( wxWindow *parent,
                          const wxValidator& validator,
                          const wxString &name )
 {
-    m_needParent = true;
-    m_acceptsFocus = true;
-
     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, validator, name ))
     {
@@ -702,10 +710,18 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
         m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
 
+        // create "ShowPosition" marker
+        GtkTextIter iter;
+        gtk_text_buffer_get_start_iter(m_buffer, &iter);
+        gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true);
+
         // create scrolled window
         m_widget = gtk_scrolled_window_new( NULL, NULL );
         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
-                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
+                                        GTK_POLICY_AUTOMATIC,
+                                        style & wxTE_NO_VSCROLL
+                                            ? GTK_POLICY_NEVER
+                                            : GTK_POLICY_AUTOMATIC );
         // for ScrollLines/Pages
         m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar;
 
@@ -813,9 +829,6 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 
-    wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
-    SetDefaultStyle( attrDef );
-
     return true;
 }
 
@@ -942,16 +955,12 @@ wxString wxTextCtrl::GetValue() const
         gtk_text_buffer_get_end_iter( m_buffer, &end );
         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
 
-        const wxWxCharBuffer buf = wxGTK_CONV_BACK(text);
-        if ( buf )
-            tmp = buf;
+        return wxGTK_CONV_BACK(text);
     }
     else
     {
         const gchar *text = gtk_entry_get_text( GTK_ENTRY(m_text) );
-        const wxWxCharBuffer buf = wxGTK_CONV_BACK( text );
-        if ( buf )
-            tmp = buf;
+        return wxGTK_CONV_BACK(text);
     }
 
     return tmp;
@@ -994,7 +1003,13 @@ void wxTextCtrl::DoSetValue( const wxString &value, int flags )
     m_modified = false;
     DontMarkDirtyOnNextChange();
 
-    const wxCharBuffer buffer(wxGTK_CONV_ENC(value, GetTextEncoding()));
+    wxFontEncoding enc = m_defaultStyle.HasFont()
+                            ? m_defaultStyle.GetFont().GetEncoding()
+                            : wxFONTENCODING_SYSTEM;
+    if ( enc == wxFONTENCODING_SYSTEM )
+        enc = GetTextEncoding();
+
+    const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc));
     if ( !buffer )
     {
         // see comment in WriteText() as to why we must warn the user about
@@ -1015,6 +1030,14 @@ void wxTextCtrl::DoSetValue( const wxString &value, int flags )
     if ( IsMultiLine() )
     {
         gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
+
+        if ( !m_defaultStyle.IsDefault() )
+        {
+            GtkTextIter start, end;
+            gtk_text_buffer_get_bounds( m_buffer, &start, &end );
+            wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle,
+                                       &start, &end);
+        }
     }
     else // single line
     {
@@ -1113,8 +1136,12 @@ wxString wxTextCtrl::GetLineText( long lineNo ) const
     {
         GtkTextIter line;
         gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
+
         GtkTextIter end = line;
-        gtk_text_iter_forward_to_line_end(&end);
+        // avoid skipping to the next line end if this one is empty
+        if ( !gtk_text_iter_ends_line(&line) )
+            gtk_text_iter_forward_to_line_end(&end);
+
         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
         result = wxGTK_CONV_BACK(text);
     }
@@ -1225,15 +1252,12 @@ void wxTextCtrl::SetInsertionPoint( long pos )
         GtkTextIter iter;
         gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
         gtk_text_buffer_place_cursor( m_buffer, &iter );
-        if (!IsFrozen())
-        {
-            // won't work when frozen, text view is not using m_buffer then
-            gtk_text_view_scroll_mark_onscreen
-            (
-                GTK_TEXT_VIEW(m_text),
-                gtk_text_buffer_get_insert( m_buffer )
-            );
-        }
+        GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
+        if (IsFrozen())
+            // defer until Thaw, text view is not using m_buffer now
+            m_showPositionOnThaw = mark;
+        else
+            gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
     }
     else
     {
@@ -1244,18 +1268,7 @@ void wxTextCtrl::SetInsertionPoint( long pos )
 
 void wxTextCtrl::SetInsertionPointEnd()
 {
-    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
-
-    if ( IsMultiLine() )
-    {
-        GtkTextIter end;
-        gtk_text_buffer_get_end_iter( m_buffer, &end );
-        gtk_text_buffer_place_cursor( m_buffer, &end );
-    }
-    else
-    {
-        gtk_editable_set_position( GTK_EDITABLE(m_text), -1 );
-    }
+    SetInsertionPoint(-1);
 }
 
 void wxTextCtrl::SetEditable( bool editable )
@@ -1293,9 +1306,9 @@ bool wxTextCtrl::Enable( bool enable )
 }
 
 // wxGTK-specific: called recursively by Enable,
-// to give widgets an oppprtunity to correct their colours after they
+// to give widgets an opportunity to correct their colours after they
 // have been changed by Enable
-void wxTextCtrl::OnParentEnable( bool enable )
+void wxTextCtrl::OnEnabled( bool enable )
 {
     // If we have a custom background colour, we use this colour in both
     // disabled and enabled mode, or we end up with a different colour under the
@@ -1405,14 +1418,17 @@ void wxTextCtrl::SetSelection( long from, long to )
 
 void wxTextCtrl::ShowPosition( long pos )
 {
-    // won't work when frozen, text view is not using m_buffer then
-    if (IsMultiLine() && !IsFrozen())
+    if (IsMultiLine())
     {
         GtkTextIter iter;
-        gtk_text_buffer_get_start_iter( m_buffer, &iter );
-        gtk_text_iter_set_offset( &iter, pos );
-        GtkTextMark *mark = gtk_text_buffer_create_mark( m_buffer, NULL, &iter, TRUE );
-        gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 );
+        gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
+        GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
+        gtk_text_buffer_move_mark(m_buffer, mark, &iter);
+        if (IsFrozen())
+            // defer until Thaw, text view is not using m_buffer now
+            m_showPositionOnThaw = mark;
+        else
+            gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
     }
 }
 
@@ -1790,18 +1806,12 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
         gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
         gtk_text_buffer_get_iter_at_offset( m_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);
-
-        wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, attr, &starti, &endi );
+        wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );
 
         return true;
     }
+    //else: single line text controls don't support styles
 
-    // else single line
-    // cannot do this for GTK+'s Entry widget
     return false;
 }
 
@@ -1879,7 +1889,7 @@ void wxTextCtrl::Freeze()
 
     if ( HasFlag(wxTE_MULTILINE) )
     {
-        if (m_frozenness++ == 0)
+        if (m_freezeCount++ == 0)
         {
             // freeze textview updates and remove buffer
             g_signal_connect (m_text, "expose_event",
@@ -1907,9 +1917,9 @@ void wxTextCtrl::Thaw()
 {
     if ( HasFlag(wxTE_MULTILINE) )
     {
-        wxCHECK_RET(m_frozenness != 0, _T("Thaw() without matching Freeze()"));
+        wxCHECK_RET(m_freezeCount != 0, _T("Thaw() without matching Freeze()"));
 
-        if (--m_frozenness == 0)
+        if (--m_freezeCount == 0)
         {
             // Reattach buffer and thaw textview updates
             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
@@ -1919,6 +1929,12 @@ void wxTextCtrl::Thaw()
                     (gpointer) gtk_text_exposed_callback, this);
             g_signal_handlers_disconnect_by_func (m_text,
                     (gpointer) gtk_text_exposed_callback, this);
+            if (m_showPositionOnThaw != NULL)
+            {
+                gtk_text_view_scroll_mark_onscreen(
+                    GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
+                m_showPositionOnThaw = NULL;
+            }
         }
     }
 }