X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b9060f332453f80bc4c3c6aa6d25f322452d4f5e..e83e16de9e00a596b06d9c970039fd4fbfbfe703:/src/gtk/textctrl.cpp?ds=sidebyside diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp index 7443a8f3c9..f83398df44 100644 --- a/src/gtk/textctrl.cpp +++ b/src/gtk/textctrl.cpp @@ -51,7 +51,24 @@ static void wxGtkOnRemoveTag(GtkTextBuffer *buffer, } } -extern "C" { +// 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, @@ -61,13 +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()); @@ -95,6 +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); @@ -108,6 +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); @@ -127,11 +145,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text, gtk_text_iter_get_line(start) ); gtk_text_iter_forward_line(¶_end); - remove_handler_id = g_signal_connect (text_buffer, "remove_tag", - G_CALLBACK(wxGtkOnRemoveTag), - gpointer("WXALIGNMENT")); - gtk_text_buffer_remove_all_tags( text_buffer, ¶_start, ¶_end ); - g_signal_handler_disconnect (text_buffer, remove_handler_id); + wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", start, end); GtkJustification align; switch (attr.GetAlignment()) @@ -145,7 +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); @@ -168,11 +191,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text, gtk_text_iter_get_line(start) ); gtk_text_iter_forward_line(¶_end); - remove_handler_id = g_signal_connect (text_buffer, "remove_tag", - G_CALLBACK(wxGtkOnRemoveTag), - gpointer("WXINDENT")); - gtk_text_buffer_remove_all_tags( text_buffer, ¶_start, ¶_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; @@ -221,11 +240,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text, gtk_text_iter_get_line(start) ); gtk_text_iter_forward_line(¶_end); - remove_handler_id = g_signal_connect (text_buffer, "remove_tag", - G_CALLBACK(wxGtkOnRemoveTag), - gpointer("WXTABS")); - gtk_text_buffer_remove_all_tags( text_buffer, ¶_start, ¶_end ); - g_signal_handler_disconnect (text_buffer, remove_handler_id); + wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", start, end); const wxArrayInt& tabs = attr.GetTabs(); @@ -260,9 +275,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text, gtk_text_buffer_apply_tag (text_buffer, tag, ¶_start, ¶_end); } } -} -extern "C" { static void wxGtkTextInsert(GtkWidget *text, GtkTextBuffer *text_buffer, const wxTextAttr& attr, @@ -281,7 +294,6 @@ static void wxGtkTextInsert(GtkWidget *text, wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter); } -} // ---------------------------------------------------------------------------- // "insert_text" for GtkEntry @@ -295,9 +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); @@ -419,7 +428,7 @@ au_check_word( GtkTextIter *s, GtkTextIter *e ) gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start ); gtk_text_iter_forward_char(&end); - gchar* text = gtk_text_iter_get_text( &start, &end ); + wxGtkString text(gtk_text_iter_get_text( &start, &end )); size_t len = strlen(text), prefix_len; size_t n; @@ -544,9 +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(); @@ -651,7 +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; } @@ -687,9 +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 )) { @@ -706,38 +710,25 @@ 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; // Insert view into scrolled window gtk_container_add( GTK_CONTAINER(m_widget), m_text ); - // translate wx wrapping style to GTK+ - GtkWrapMode wrap; - if ( HasFlag( wxTE_DONTWRAP ) ) - wrap = GTK_WRAP_NONE; - else if ( HasFlag( wxTE_CHARWRAP ) ) - wrap = GTK_WRAP_CHAR; - else if ( HasFlag( wxTE_WORDWRAP ) ) - wrap = GTK_WRAP_WORD; - else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0 - { - // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4 -#ifdef __WXGTK24__ - if ( !gtk_check_version(2,4,0) ) - { - wrap = GTK_WRAP_WORD_CHAR; - } - else -#endif - wrap = GTK_WRAP_WORD; - } - - gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap ); + GTKSetWrapMode(); GtkScrolledWindowSetBorder(m_widget, style); @@ -766,54 +757,36 @@ bool wxTextCtrl::Create( wxWindow *parent, gtk_widget_show(m_text); } + // We want to be notified about text changes. + if (multi_line) + { + g_signal_connect (m_buffer, "changed", + G_CALLBACK (gtk_text_changed_callback), this); + } + else + { + g_signal_connect (m_text, "changed", + G_CALLBACK (gtk_text_changed_callback), this); + } + if (!value.empty()) { SetValue( value ); } if (style & wxTE_PASSWORD) - { - if (!multi_line) - gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE ); - } + GTKSetVisibility(); if (style & wxTE_READONLY) - { - if (!multi_line) - gtk_editable_set_editable( GTK_EDITABLE(m_text), FALSE ); - else - gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE); - } + GTKSetEditable(); - 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 - } - else - { -#ifdef __WXGTK24__ - // gtk_entry_set_alignment was introduced in gtk+-2.3.5 - if (!gtk_check_version(2,4,0)) - { - 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 - } + // left justification (alignment) is the default anyhow + if ( style & (wxTE_RIGHT | wxTE_CENTRE) ) + GTKSetJustification(); - // We want to be notified about text changes. if (multi_line) { - g_signal_connect (m_buffer, "changed", - G_CALLBACK (gtk_text_changed_callback), this); - - // .. and handle URLs on multi-line controls with wxTE_AUTO_URL style + // Handle URLs on multi-line controls with wxTE_AUTO_URL style if (style & wxTE_AUTO_URL) { GtkTextIter start, end; @@ -849,12 +822,7 @@ bool wxTextCtrl::Create( wxWindow *parent, au_check_range(&start, &end); } } - else - { - g_signal_connect (m_text, "changed", - G_CALLBACK (gtk_text_changed_callback), this); - } - + g_signal_connect (m_text, "copy-clipboard", G_CALLBACK (gtk_copy_clipboard_callback), this); g_signal_connect (m_text, "cut-clipboard", @@ -864,17 +832,119 @@ bool wxTextCtrl::Create( wxWindow *parent, m_cursor = wxCursor( wxCURSOR_IBEAM ); - wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont()); - SetDefaultStyle( attrDef ); - return true; } +// ---------------------------------------------------------------------------- +// flags handling +// ---------------------------------------------------------------------------- + +void wxTextCtrl::GTKSetEditable() +{ + gboolean editable = !HasFlag(wxTE_READONLY); + if ( IsSingleLine() ) + gtk_editable_set_editable(GTK_EDITABLE(m_text), editable); + else + gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable); +} + +void wxTextCtrl::GTKSetVisibility() +{ + // VZ: shouldn't we assert if wxTE_PASSWORD is set for multiline control? + if ( IsSingleLine() ) + gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD)); +} + +void wxTextCtrl::GTKSetWrapMode() +{ + // no wrapping in single line controls + if ( !IsMultiLine() ) + return; + + // translate wx wrapping style to GTK+ + GtkWrapMode wrap; + if ( HasFlag( wxTE_DONTWRAP ) ) + wrap = GTK_WRAP_NONE; + else if ( HasFlag( wxTE_CHARWRAP ) ) + wrap = GTK_WRAP_CHAR; + else if ( HasFlag( wxTE_WORDWRAP ) ) + wrap = GTK_WRAP_WORD; + else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0 + { + // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4 +#ifdef __WXGTK24__ + if ( !gtk_check_version(2,4,0) ) + { + wrap = GTK_WRAP_WORD_CHAR; + } + else +#endif // __WXGTK24__ + wrap = GTK_WRAP_WORD; + } + + gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap ); +} + +void wxTextCtrl::GTKSetJustification() +{ + if ( IsMultiLine() ) + { + GtkJustification just; + if ( HasFlag(wxTE_RIGHT) ) + just = GTK_JUSTIFY_RIGHT; + else if ( HasFlag(wxTE_CENTRE) ) + just = GTK_JUSTIFY_CENTER; + else // wxTE_LEFT == 0 + just = GTK_JUSTIFY_LEFT; + + gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just); + } + else // single line + { +#ifdef __WXGTK24__ + // gtk_entry_set_alignment was introduced in gtk+-2.3.5 + if (!gtk_check_version(2,4,0)) + { + gfloat align; + if ( HasFlag(wxTE_RIGHT) ) + align = 1.0; + else if ( HasFlag(wxTE_CENTRE) ) + align = 0.5; + else // single line + align = 0.0; + + gtk_entry_set_alignment(GTK_ENTRY(m_text), align); + } +#endif // __WXGTK24__ + } -void wxTextCtrl::CalculateScrollbar() +} + +void wxTextCtrl::SetWindowStyleFlag(long style) { + long styleOld = GetWindowStyleFlag(); + + wxTextCtrlBase::SetWindowStyleFlag(style); + + if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) ) + GTKSetEditable(); + + if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) ) + GTKSetVisibility(); + + static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP; + if ( (style & flagsWrap) != (styleOld & flagsWrap) ) + GTKSetWrapMode(); + + static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT; + if ( (style & flagsAlign) != (styleOld & flagsAlign) ) + GTKSetJustification(); } +// ---------------------------------------------------------------------------- +// control value +// ---------------------------------------------------------------------------- + wxString wxTextCtrl::GetValue() const { wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") ); @@ -888,16 +958,12 @@ 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; @@ -933,14 +999,15 @@ void wxTextCtrl::DoSetValue( const wxString &value, int flags ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - // the control won't be modified any more as we programmatically replace - // all the existing text, so reset the flag and don't set it again (and do - // it now, before the text event handler is ran so that IsModified() called - // from there returns the expected value) 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 @@ -949,33 +1016,29 @@ void wxTextCtrl::DoSetValue( const wxString &value, int flags ) return; } - // if the control is not empty, two "changed" signals are emitted, - // otherwise only one and we need to ignore either both or one of them - int ignore = flags & SetValue_SendEvent ? 0 : 1; - if ( !IsEmpty() ) - ignore++; - - if ( ignore ) - IgnoreNextTextUpdate(ignore); - + void* blockWidget = IsMultiLine() ? (void*)m_buffer : (void*)m_text; + g_signal_handlers_block_by_func(blockWidget, + (gpointer)gtk_text_changed_callback, this); 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 + else { gtk_entry_set_text( GTK_ENTRY(m_text), buffer ); } - - // if, for whatever reason, the callback wasn't called the expected number - // of times, still reset the flags to the default values - m_dontMarkDirty = false; - m_countUpdatesToIgnore = 0; - - - // GRG, Jun/2000: Changed this after a lot of discussion in - // the lists. wxWidgets 2.2 will have a set of flags to - // customize this behaviour. + g_signal_handlers_unblock_by_func(blockWidget, + (gpointer)gtk_text_changed_callback, this); + + // This was added after discussion on the list SetInsertionPoint(0); } @@ -1024,7 +1087,8 @@ void wxTextCtrl::WriteText( const wxString &text ) 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 ( wxIsSameDouble(adj->value, adj->upper - adj->page_size) ) + // won't work when frozen, text view is not using m_buffer then + if (!IsFrozen() && wxIsSameDouble(adj->value, adj->upper - adj->page_size)) { gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 ); @@ -1058,8 +1122,12 @@ 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); } @@ -1153,31 +1221,7 @@ int wxTextCtrl::GetNumberOfLines() const { if ( IsMultiLine() ) { - GtkTextIter iter; - gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, 0 ); - - // move forward by one display line until the end is reached - int lineCount = 1; - while ( gtk_text_view_forward_display_line(GTK_TEXT_VIEW(m_text), &iter) ) - { - lineCount++; - } - - // If the last character in the text buffer is a newline, - // gtk_text_view_forward_display_line() will return false without that - // line being counted. Must add one manually in that case. - GtkTextIter lastCharIter; - gtk_text_buffer_get_iter_at_offset - ( - m_buffer, - &lastCharIter, - gtk_text_buffer_get_char_count(m_buffer) - 1 - ); - gchar lastChar = gtk_text_iter_get_char( &lastCharIter ); - if ( lastChar == wxT('\n') ) - lineCount++; - - return lineCount; + return gtk_text_buffer_get_line_count( m_buffer ); } else // single line { @@ -1194,11 +1238,12 @@ 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 ); - 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 { @@ -1209,18 +1254,7 @@ 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 ) @@ -1245,22 +1279,15 @@ bool wxTextCtrl::Enable( bool enable ) return false; } - if ( IsMultiLine() ) - { - SetEditable( enable ); - } - else - { - gtk_widget_set_sensitive( m_text, enable ); - } + gtk_widget_set_sensitive( m_text, enable ); return true; } // 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 @@ -1370,13 +1397,17 @@ void wxTextCtrl::SetSelection( long from, long to ) void wxTextCtrl::ShowPosition( long pos ) { - if ( IsMultiLine() ) + 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); } } @@ -1754,18 +1785,12 @@ 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; } @@ -1839,9 +1864,11 @@ wxSize wxTextCtrl::DoGetBestSize() const void wxTextCtrl::Freeze() { + wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl")); + if ( HasFlag(wxTE_MULTILINE) ) { - if ( !m_frozenness++ ) + if (m_freezeCount++ == 0) { // freeze textview updates and remove buffer g_signal_connect (m_text, "expose_event", @@ -1851,9 +1878,16 @@ void wxTextCtrl::Freeze() gtk_widget_set_sensitive(m_widget, false); g_object_ref(m_buffer); GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL); + GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark; gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new); - // FIXME: this leaks the new buffer, since gtk_text_view_set_buffer - // adds its own reference, but unrefing it here can cause a crash later + // gtk_text_view_set_buffer adds its own reference + g_object_unref(buf_new); + // This mark should be deleted when the buffer is changed, + // but it's not (in GTK+ up to at least 2.10.6). + // Otherwise these anonymous marks start to build up in the buffer, + // and Freeze takes longer and longer each time it is called. + if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark)) + gtk_text_buffer_delete_mark(m_buffer, mark); } } } @@ -1862,9 +1896,9 @@ void wxTextCtrl::Thaw() { if ( HasFlag(wxTE_MULTILINE) ) { - wxASSERT_MSG( m_frozenness > 0, _T("Thaw() without matching Freeze()") ); + wxCHECK_RET(m_freezeCount != 0, _T("Thaw() without matching Freeze()")); - if ( !--m_frozenness ) + if (--m_freezeCount == 0) { // Reattach buffer and thaw textview updates gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer); @@ -1874,6 +1908,12 @@ 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; + } } } }