X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/463c4d7193481ac27626b282ccf0ac178f029abd..5ccb95f690bd7265b1b86718149a79bb97dcf4d8:/src/gtk/textctrl.cpp diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp index 3aeaa60599..a6dfa4b31d 100644 --- a/src/gtk/textctrl.cpp +++ b/src/gtk/textctrl.cpp @@ -7,10 +7,6 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "textctrl.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -18,6 +14,7 @@ #include "wx/utils.h" #include "wx/intl.h" #include "wx/log.h" +#include "wx/math.h" #include "wx/settings.h" #include "wx/panel.h" #include "wx/strconv.h" @@ -42,7 +39,6 @@ extern bool g_isIdle; // data //----------------------------------------------------------------------------- -extern bool g_blockEventsOnDrag; extern wxCursor g_globalCursor; extern wxWindowGTK *g_delayedFocus; @@ -51,6 +47,25 @@ extern wxWindowGTK *g_delayedFocus; // ---------------------------------------------------------------------------- #ifdef __WXGTK20__ +extern "C" { +static void wxGtkOnRemoveTag(GtkTextBuffer *buffer, + GtkTextTag *tag, + GtkTextIter *start, + GtkTextIter *end, + char *prefix) +{ + gchar *name; + g_object_get (tag, "name", &name, NULL); + + if (!name || strncmp(name, prefix, strlen(prefix))) + // anonymous tag or not starting with prefix - don't remove + g_signal_stop_emission_by_name(buffer, "remove_tag"); + + g_free(name); +} +} + +extern "C" { static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer, const wxTextAttr& attr, GtkTextIter *start, @@ -59,6 +74,11 @@ static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer, 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()) { char *font_string; @@ -100,12 +120,52 @@ static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer, "background-gdk", colBg, NULL ); gtk_text_buffer_apply_tag (text_buffer, tag, start, end); } + + if (attr.HasAlignment()) + { + GtkTextIter para_start, para_end = *end; + gtk_text_buffer_get_iter_at_line( text_buffer, + ¶_start, + 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 ); + + GtkJustification align; + switch (attr.GetAlignment()) + { + default: + align = GTK_JUSTIFY_LEFT; + break; + case wxTEXT_ALIGNMENT_RIGHT: + align = GTK_JUSTIFY_RIGHT; + break; + case wxTEXT_ALIGNMENT_CENTER: + align = GTK_JUSTIFY_CENTER; + break; + // gtk+ doesn't support justify as of gtk+-2.7.4 + } + + g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align); + tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), + buf ); + if (!tag) + tag = gtk_text_buffer_create_tag( text_buffer, buf, + "justification", align, NULL ); + gtk_text_buffer_apply_tag( text_buffer, tag, ¶_start, ¶_end ); + } +} } +extern "C" { static void wxGtkTextInsert(GtkWidget *text, GtkTextBuffer *text_buffer, const wxTextAttr& attr, - wxCharBuffer buffer) + const wxCharBuffer& buffer) { gint start_offset; @@ -120,7 +180,9 @@ static void wxGtkTextInsert(GtkWidget *text, wxGtkTextApplyTagsFromAttr(text_buffer, attr, &start, &iter); } +} #else +extern "C" { static void wxGtkTextInsert(GtkWidget *text, const wxTextAttr& attr, const char *txt, @@ -138,12 +200,14 @@ static void wxGtkTextInsert(GtkWidget *text, gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len ); } +} #endif // GTK 1.x // ---------------------------------------------------------------------------- // "insert_text" for GtkEntry // ---------------------------------------------------------------------------- +extern "C" { static void gtk_insert_text_callback(GtkEditable *editable, const gchar *new_text, @@ -179,11 +243,222 @@ gtk_insert_text_callback(GtkEditable *editable, win->GetEventHandler()->ProcessEvent( event ); } } +} + +#ifdef __WXGTK20__ +// Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp, + +extern "C" { +static void +au_apply_tag_callback(GtkTextBuffer *buffer, + GtkTextTag *tag, + GtkTextIter *start, + GtkTextIter *end, + gpointer textctrl) +{ + if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl")) + g_signal_stop_emission_by_name(buffer, "apply_tag"); +} +} + +//----------------------------------------------------------------------------- +// GtkTextCharPredicates for gtk_text_iter_*_find_char +//----------------------------------------------------------------------------- + +extern "C" { +static gboolean +pred_whitespace (gunichar ch, gpointer user_data) +{ + return g_unichar_isspace(ch); +} +} + +extern "C" { +static gboolean +pred_non_whitespace (gunichar ch, gpointer user_data) +{ + return !g_unichar_isspace(ch); +} +} + +extern "C" { +static gboolean +pred_nonpunct (gunichar ch, gpointer user_data) +{ + return !g_unichar_ispunct(ch); +} +} + +extern "C" { +static gboolean +pred_nonpunct_or_slash (gunichar ch, gpointer user_data) +{ + return !g_unichar_ispunct(ch) || ch == '/'; +} +} + +//----------------------------------------------------------------------------- +// Check for links between s and e and correct tags as necessary +//----------------------------------------------------------------------------- + +// This function should be made match better while being efficient at one point. +// Most probably with a row of regular expressions. +extern "C" { +static void +au_check_word( GtkTextIter *s, GtkTextIter *e ) +{ + static const char *URIPrefixes[] = + { + "http://", + "ftp://", + "www.", + "ftp.", + "mailto://", + "https://", + "file://", + "nntp://", + "news://", + "telnet://", + "mms://", + "gopher://", + "prospero://", + "wais://", + }; + + GtkTextIter start = *s, end = *e; + GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s); + + // Get our special link tag + GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"); + + // Get rid of punctuation from beginning and end. + // Might want to move this to au_check_range if an improved link checking doesn't + // use some intelligent punctuation checking itself (beware of undesired iter modifications). + if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) ) + gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, 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 ); + size_t len = strlen(text), prefix_len; + size_t n; + + for( n = 0; n < WXSIZEOF(URIPrefixes); ++n ) + { + prefix_len = strlen(URIPrefixes[n]); + if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len)) + break; + } + + if(n < WXSIZEOF(URIPrefixes)) + { + gulong signal_id = g_signal_handler_find(buffer, + (GSignalMatchType) (G_SIGNAL_MATCH_FUNC), + 0, 0, NULL, + (gpointer)au_apply_tag_callback, NULL); + + g_signal_handler_block(buffer, signal_id); + gtk_text_buffer_apply_tag(buffer, tag, &start, &end); + g_signal_handler_unblock(buffer, signal_id); + } +} +} + +extern "C" { +static void +au_check_range(GtkTextIter *s, + GtkTextIter *range_end) +{ + GtkTextIter range_start = *s; + GtkTextIter word_end; + GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s); + GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"); + + gtk_text_buffer_remove_tag(buffer, tag, s, range_end); + + if(g_unichar_isspace(gtk_text_iter_get_char(&range_start))) + gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end); + + while(!gtk_text_iter_equal(&range_start, range_end)) + { + word_end = range_start; + gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end); + + // Now we should have a word delimited by range_start and word_end, correct link tags + au_check_word(&range_start, &word_end); + + range_start = word_end; + gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end); + } +} +} + +//----------------------------------------------------------------------------- +// "insert-text" for GtkTextBuffer +//----------------------------------------------------------------------------- + +extern "C" { +static void +au_insert_text_callback(GtkTextBuffer *buffer, + GtkTextIter *end, + gchar *text, + gint len, + wxTextCtrl *win) +{ + if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) ) + return; + + GtkTextIter start = *end; + gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len)); + + GtkTextIter line_start = start; + GtkTextIter line_end = *end; + GtkTextIter words_start = start; + GtkTextIter words_end = *end; + + gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start)); + gtk_text_iter_forward_to_line_end(&line_end); + gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start); + gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end); + + au_check_range(&words_start, &words_end); +} +} + +//----------------------------------------------------------------------------- +// "delete-range" for GtkTextBuffer +//----------------------------------------------------------------------------- + +extern "C" { +static void +au_delete_range_callback(GtkTextBuffer *buffer, + GtkTextIter *start, + GtkTextIter *end, + wxTextCtrl *win) +{ + if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) ) + return; + + GtkTextIter line_start = *start, line_end = *end; + + gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start)); + gtk_text_iter_forward_to_line_end(&line_end); + gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start); + gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end); + + au_check_range(start, end); +} +} + + +#endif //----------------------------------------------------------------------------- // "changed" //----------------------------------------------------------------------------- +extern "C" { static void gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win ) { @@ -202,20 +477,22 @@ gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win ) wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); event.SetEventObject( win ); - event.SetString( win->GetValue() ); win->GetEventHandler()->ProcessEvent( event ); } +} //----------------------------------------------------------------------------- // "expose_event" from scrolled window and textview //----------------------------------------------------------------------------- #ifdef __WXGTK20__ +extern "C" { static gboolean gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win ) { return TRUE; } +} #endif //----------------------------------------------------------------------------- @@ -223,6 +500,7 @@ gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl //----------------------------------------------------------------------------- #ifndef __WXGTK20__ +extern "C" { static void gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) { @@ -233,6 +511,7 @@ gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) win->CalculateScrollbar(); } +} #endif // ---------------------------------------------------------------------------- @@ -254,8 +533,8 @@ extern "C" { static GtkDrawCallback gs_gtk_text_draw = NULL; -extern "C" -void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect) +extern "C" { +static void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect) { if ( !wxIsInsideYield ) { @@ -265,6 +544,7 @@ void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect) gs_gtk_text_draw(widget, rect); } } +} #endif // __WXGTK20__ @@ -288,18 +568,42 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) + +#ifdef __WXGTK20__ + // wxTE_AUTO_URL wxTextUrl support. Currently only creates + // wxTextUrlEvent in the same cases as wxMSW, more can be added here. + EVT_MOTION (wxTextCtrl::OnUrlMouseEvent) + EVT_LEFT_DOWN (wxTextCtrl::OnUrlMouseEvent) + EVT_LEFT_UP (wxTextCtrl::OnUrlMouseEvent) + EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent) + EVT_RIGHT_DOWN (wxTextCtrl::OnUrlMouseEvent) + EVT_RIGHT_UP (wxTextCtrl::OnUrlMouseEvent) + EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent) +#endif END_EVENT_TABLE() void wxTextCtrl::Init() { m_ignoreNextUpdate = - m_modified = FALSE; - SetUpdateFont(FALSE); + m_modified = false; + SetUpdateFont(false); m_text = m_vScrollbar = (GtkWidget *)NULL; #ifdef __WXGTK20__ m_frozenness = 0; -#endif + m_gdkHandCursor = NULL; + m_gdkXTermCursor = NULL; +#endif +} + +wxTextCtrl::~wxTextCtrl() +{ +#ifdef __WXGTK20__ + if(m_gdkHandCursor) + gdk_cursor_unref(m_gdkHandCursor); + if(m_gdkXTermCursor) + gdk_cursor_unref(m_gdkXTermCursor); +#endif } wxTextCtrl::wxTextCtrl( wxWindow *parent, @@ -325,18 +629,18 @@ bool wxTextCtrl::Create( wxWindow *parent, const wxValidator& validator, const wxString &name ) { - m_needParent = TRUE; - m_acceptsFocus = TRUE; + m_needParent = true; + m_acceptsFocus = true; if (!PreCreation( parent, pos, size ) || !CreateBase( parent, id, pos, size, style, validator, name )) { wxFAIL_MSG( wxT("wxTextCtrl creation failed") ); - return FALSE; + return false; } - m_vScrollbarVisible = FALSE; + m_vScrollbarVisible = false; bool multi_line = (style & wxTE_MULTILINE) != 0; @@ -356,22 +660,41 @@ bool wxTextCtrl::Create( wxWindow *parent, // Insert view into scrolled window gtk_container_add( GTK_CONTAINER(m_widget), m_text ); - // Global settings which can be overridden by tags, I guess. - 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 ); + // 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 ); if (!HasFlag(wxNO_BORDER)) gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN ); - + + gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK ); + GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); -#else +#else // GTK+ 1 // create our control ... m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); // ... and put into the upper left hand corner of the table - bool bHasHScrollbar = FALSE; + bool bHasHScrollbar = false; m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE); GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1, @@ -389,13 +712,18 @@ bool wxTextCtrl::Create( wxWindow *parent, GTK_FILL, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK), 0, 0); -#endif +#endif // GTK+ 2/1 } else { // a single-line text control: no need for scrollbars m_widget = m_text = gtk_entry_new(); + +#ifdef __WXGTK20__ + if (style & wxNO_BORDER) + g_object_set( GTK_ENTRY(m_text), "has-frame", FALSE, NULL ); +#endif } m_parent->DoAddChild( this ); @@ -427,7 +755,7 @@ bool wxTextCtrl::Create( wxWindow *parent, } #endif // GTK+ 1.x - if (!value.IsEmpty()) + if (!value.empty()) { #ifdef __WXGTK20__ SetValue( value ); @@ -501,17 +829,53 @@ bool wxTextCtrl::Create( wxWindow *parent, #endif } #endif // __WXGTK20__ - + // We want to be notified about text changes. #ifdef __WXGTK20__ if (multi_line) { g_signal_connect( G_OBJECT(m_buffer), "changed", GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + + // .. and handle URLs on multi-line controls with wxTE_AUTO_URL style + if (style & wxTE_AUTO_URL) + { + GtkTextIter start, end; + m_gdkHandCursor = gdk_cursor_new(GDK_HAND2); + m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM); + + // We create our wxUrl tag here for slight efficiency gain - we + // don't have to check for the tag existance in callbacks, + // hereby it's guaranteed to exist. + gtk_text_buffer_create_tag(m_buffer, "wxUrl", + "foreground", "blue", + "underline", PANGO_UNDERLINE_SINGLE, + NULL); + + // Check for URLs after each text change + g_signal_connect_after( G_OBJECT(m_buffer), "insert_text", + GTK_SIGNAL_FUNC(au_insert_text_callback), (gpointer)this); + g_signal_connect_after( G_OBJECT(m_buffer), "delete_range", + GTK_SIGNAL_FUNC(au_delete_range_callback), (gpointer)this); + + // Block all wxUrl tag applying unless we do it ourselves, in which case we + // block this callback temporarily. This takes care of gtk+ internal + // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise, + // which is undesired because only a part of the URL might be copied. + // The insert-text signal emitted inside it will take care of newly formed + // or wholly copied URLs. + g_signal_connect( G_OBJECT(m_buffer), "apply_tag", + GTK_SIGNAL_FUNC(au_apply_tag_callback), NULL); + + // Check for URLs in the initial string passed to Create + gtk_text_buffer_get_start_iter(m_buffer, &start); + gtk_text_buffer_get_end_iter(m_buffer, &end); + au_check_range(&start, &end); + } } else #endif - + { gtk_signal_connect( GTK_OBJECT(m_text), "changed", GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); @@ -522,7 +886,7 @@ bool wxTextCtrl::Create( wxWindow *parent, wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont()); SetDefaultStyle( attrDef ); - return TRUE; + return true; } @@ -538,7 +902,7 @@ void wxTextCtrl::CalculateScrollbar() if (m_vScrollbarVisible) { gtk_widget_hide( m_vScrollbar ); - m_vScrollbarVisible = FALSE; + m_vScrollbarVisible = false; } } else @@ -546,7 +910,7 @@ void wxTextCtrl::CalculateScrollbar() if (!m_vScrollbarVisible) { gtk_widget_show( m_vScrollbar ); - m_vScrollbarVisible = TRUE; + m_vScrollbarVisible = true; } } #endif @@ -554,7 +918,7 @@ void wxTextCtrl::CalculateScrollbar() wxString wxTextCtrl::GetValue() const { - wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") ); + wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") ); wxString tmp; if (m_windowStyle & wxTE_MULTILINE) @@ -606,6 +970,12 @@ void wxTextCtrl::SetValue( const wxString &value ) if (gtk_text_buffer_get_char_count(m_buffer) != 0) IgnoreNextTextUpdate(); + if ( !buffer ) + { + // what else can we do? at least don't crash... + return; + } + gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) ); #else @@ -625,7 +995,7 @@ void wxTextCtrl::SetValue( const wxString &value ) // customize this behaviour. SetInsertionPoint(0); - m_modified = FALSE; + m_modified = false; } void wxTextCtrl::WriteText( const wxString &text ) @@ -660,7 +1030,7 @@ 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 ( adj->value == adj->upper - adj->page_size ) + if ( 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 ); @@ -679,7 +1049,7 @@ void wxTextCtrl::WriteText( const wxString &text ) // in UpdateFontIfNeeded() any longer if ( !text.empty() ) { - SetUpdateFont(FALSE); + SetUpdateFont(false); } // Bring editable's cursor back uptodate. @@ -701,6 +1071,12 @@ void wxTextCtrl::WriteText( const wxString &text ) #else wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) ); #endif + if ( !buffer ) + { + // what else can we do? at least don't crash... + return; + } + gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len ); #else @@ -730,7 +1106,7 @@ wxString wxTextCtrl::GetLineText( long lineNo ) const if (text) { - wxString buf(wxT("")); + wxString buf; long i; int currentLine = 0; for (i = 0; currentLine != lineNo && text[i]; i++ ) @@ -751,12 +1127,12 @@ wxString wxTextCtrl::GetLineText( long lineNo ) const #else GtkTextIter line; gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo); - GtkTextIter end; - gtk_text_buffer_get_end_iter(m_buffer,&end ); + GtkTextIter end = line; + gtk_text_iter_forward_to_line_end(&end); gchar *text = gtk_text_buffer_get_text(m_buffer,&line,&end,TRUE); wxString result(wxGTK_CONV_BACK(text)); g_free(text); - return result.BeforeFirst(wxT('\n')); + return result; #endif } else @@ -777,11 +1153,20 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const { if ( m_windowStyle & wxTE_MULTILINE ) { +#ifdef __WXGTK20__ + GtkTextIter iter; + gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos); + if (gtk_text_iter_is_end(&iter)) + return false; + + *y = gtk_text_iter_get_line(&iter); + *x = gtk_text_iter_get_line_offset(&iter); +#else wxString text = GetValue(); // cast to prevent warning. But pos really should've been unsigned. if( (unsigned long)pos > text.Len() ) - return FALSE; + return false; *x=0; // First Col *y=0; // First Line @@ -797,6 +1182,7 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const else (*x)++; } +#endif } else // single line control { @@ -808,28 +1194,56 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const else { // index out of bounds - return FALSE; + return false; } } - return TRUE; + return true; } long wxTextCtrl::XYToPosition(long x, long y ) const { if (!(m_windowStyle & wxTE_MULTILINE)) return 0; +#ifdef __WXGTK20__ + GtkTextIter iter; + if (y >= gtk_text_buffer_get_line_count (m_buffer)) + return -1; + + gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y); + if (x >= gtk_text_iter_get_chars_in_line (&iter)) + return -1; + + return gtk_text_iter_get_offset(&iter) + x; +#else long pos=0; for( int i=0; i last_line) + return -1; + + GtkTextIter iter; + gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo); + // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line + return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1); + } + else +#endif + { + wxString str = GetLineText (lineNo); + return (int) str.Length(); + } } int wxTextCtrl::GetNumberOfLines() const @@ -953,7 +1367,7 @@ bool wxTextCtrl::Enable( bool enable ) if (!wxWindowBase::Enable(enable)) { // nothing to do - return FALSE; + return false; } if (m_windowStyle & wxTE_MULTILINE) @@ -970,7 +1384,7 @@ bool wxTextCtrl::Enable( bool enable ) gtk_widget_set_sensitive( m_text, enable ); } - return TRUE; + return true; } // wxGTK-specific: called recursively by Enable, @@ -995,12 +1409,12 @@ void wxTextCtrl::OnParentEnable( bool enable ) void wxTextCtrl::MarkDirty() { - m_modified = TRUE; + m_modified = true; } void wxTextCtrl::DiscardEdits() { - m_modified = FALSE; + m_modified = false; } // ---------------------------------------------------------------------------- @@ -1009,19 +1423,19 @@ void wxTextCtrl::DiscardEdits() void wxTextCtrl::IgnoreNextTextUpdate() { - m_ignoreNextUpdate = TRUE; + m_ignoreNextUpdate = true; } bool wxTextCtrl::IgnoreTextUpdate() { if ( m_ignoreNextUpdate ) { - m_ignoreNextUpdate = FALSE; + m_ignoreNextUpdate = false; - return TRUE; + return true; } - return FALSE; + return false; } void wxTextCtrl::SetMaxLength(unsigned long len) @@ -1170,11 +1584,11 @@ long wxTextCtrl::GetInsertionPoint() const else #endif { - return (long) GET_EDITABLE_POS(m_text); + return (long) GET_EDITABLE_POS(m_text); } } -long wxTextCtrl::GetLastPosition() const +wxTextPos wxTextCtrl::GetLastPosition() const { wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); @@ -1223,7 +1637,7 @@ void wxTextCtrl::Replace( long from, long to, const wxString &value ) Remove( from, to ); - if (!value.IsEmpty()) + if (!value.empty()) { #ifdef __WXGTK20__ SetInsertionPoint( from ); @@ -1293,14 +1707,14 @@ bool wxTextCtrl::CanUndo() const { // TODO //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") ); - return FALSE; + return false; } bool wxTextCtrl::CanRedo() const { // TODO //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") ); - return FALSE; + return false; } // If the return values from and to are the same, there is no @@ -1311,7 +1725,7 @@ void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const gint from = -1; gint to = -1; - bool haveSelection = FALSE; + bool haveSelection = false; #ifdef __WXGTK20__ if (m_windowStyle & wxTE_MULTILINE) @@ -1319,7 +1733,7 @@ void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const GtkTextIter ifrom, ito; if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) ) { - haveSelection = TRUE; + haveSelection = true; from = gtk_text_iter_get_offset(&ifrom); to = gtk_text_iter_get_offset(&ito); } @@ -1329,13 +1743,13 @@ void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text), &from, &to) ) { - haveSelection = TRUE; + haveSelection = true; } } #else // not GTK2 if ( (GTK_EDITABLE(m_text)->has_selection) ) { - haveSelection = TRUE; + haveSelection = true; from = (long) GTK_EDITABLE(m_text)->selection_start_pos; to = (long) GTK_EDITABLE(m_text)->selection_end_pos; } @@ -1361,7 +1775,7 @@ void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const bool wxTextCtrl::IsEditable() const { - wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); + wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); #ifdef __WXGTK20__ if (m_windowStyle & wxTE_MULTILINE) @@ -1384,7 +1798,7 @@ bool wxTextCtrl::IsModified() const void wxTextCtrl::Clear() { - SetValue( wxT("") ); + SetValue( wxEmptyString ); } void wxTextCtrl::OnChar( wxKeyEvent &key_event ) @@ -1447,24 +1861,24 @@ bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window ) // the font will change for subsequent text insertiongs bool wxTextCtrl::SetFont( const wxFont &font ) { - wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); + wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); if ( !wxTextCtrlBase::SetFont(font) ) { // font didn't change, nothing to do - return FALSE; + return false; } if ( m_windowStyle & wxTE_MULTILINE ) { - SetUpdateFont(TRUE); + SetUpdateFont(true); m_defaultStyle.SetFont(font); ChangeFontGlobally(); } - return TRUE; + return true; } void wxTextCtrl::ChangeFontGlobally() @@ -1483,9 +1897,9 @@ void wxTextCtrl::ChangeFontGlobally() #endif wxString value = GetValue(); - if ( !value.IsEmpty() ) + if ( !value.empty() ) { - SetUpdateFont(FALSE); + SetUpdateFont(false); Clear(); AppendText(value); @@ -1505,35 +1919,35 @@ void wxTextCtrl::UpdateFontIfNeeded() bool wxTextCtrl::SetForegroundColour(const wxColour& colour) { if ( !wxControl::SetForegroundColour(colour) ) - return FALSE; + return false; // update default fg colour too m_defaultStyle.SetTextColour(colour); - return TRUE; + return true; } bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) { - wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); + wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); if ( !wxControl::SetBackgroundColour( colour ) ) - return FALSE; + return false; #ifndef __WXGTK20__ if (!m_widget->window) - return FALSE; + return false; #endif if (!m_backgroundColour.Ok()) - return FALSE; + return false; if (m_windowStyle & wxTE_MULTILINE) { #ifndef __WXGTK20__ GdkWindow *window = GTK_TEXT(m_text)->text_area; if (!window) - return FALSE; + return false; m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) ); gdk_window_set_background( window, m_backgroundColour.GetColor() ); gdk_window_clear( window ); @@ -1543,7 +1957,7 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) // change active background color too m_defaultStyle.SetBackgroundColour( colour ); - return TRUE; + return true; } bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) @@ -1553,12 +1967,13 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) if ( style.IsDefault() ) { // nothing to do - return TRUE; + return true; } + #ifdef __WXGTK20__ gint l = gtk_text_buffer_get_char_count( m_buffer ); - wxCHECK_MSG( start >= 0 && end <= l, FALSE, + wxCHECK_MSG( start >= 0 && end <= l, false, _T("invalid range in wxTextCtrl::SetStyle") ); GtkTextIter starti, endi; @@ -1571,15 +1986,13 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this); wxGtkTextApplyTagsFromAttr( m_buffer, attr, &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) ); - wxCHECK_MSG( start >= 0 && end <= l, FALSE, + wxCHECK_MSG( start >= 0 && end <= l, false, _T("invalid range in wxTextCtrl::SetStyle") ); gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) ); @@ -1590,14 +2003,14 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end ); gtk_editable_set_position( GTK_EDITABLE(m_text), start ); -#if wxUSE_UNICODE + #if wxUSE_UNICODE wxWX2MBbuf buf = tmp.mbc_str(); const char *txt = buf; size_t txtlen = strlen(buf); -#else + #else const char *txt = tmp; size_t txtlen = tmp.length(); -#endif + #endif // 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 @@ -1611,13 +2024,13 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */ SetInsertionPoint( old_pos ); #endif - return TRUE; - } - else // singe line - { - // cannot do this for GTK+'s Entry widget - return FALSE; + + return true; } + + // else single line + // cannot do this for GTK+'s Entry widget + return false; } void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style) @@ -1742,7 +2155,7 @@ void wxTextCtrl::Freeze() gtk_widget_set_sensitive(m_widget, false); g_object_ref(m_buffer); gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), gtk_text_buffer_new(NULL)); - } + } #else gtk_text_freeze(GTK_TEXT(m_text)); #endif @@ -1773,6 +2186,62 @@ void wxTextCtrl::Thaw() } } +// ---------------------------------------------------------------------------- +// wxTextUrlEvent passing if style & wxTE_AUTO_URL +// ---------------------------------------------------------------------------- + +#ifdef __WXGTK20__ + +// FIXME: when dragging on a link the sample gets an "Unknown event". +// This might be an excessive event from us or a buggy wxMouseEvent::Moving() or +// a buggy sample, or something else +void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event) +{ + event.Skip(); + if(!(m_windowStyle & wxTE_AUTO_URL)) + return; + + gint x, y; + GtkTextIter start, end; + GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer), + "wxUrl"); + + gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET, + event.GetX(), event.GetY(), &x, &y); + + gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y); + if (!gtk_text_iter_has_tag(&end, tag)) + { + gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text), + GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor); + return; + } + + gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text), + GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor); + + start = end; + if(!gtk_text_iter_begins_tag(&start, tag)) + gtk_text_iter_backward_to_tag_toggle(&start, tag); + if(!gtk_text_iter_ends_tag(&end, tag)) + gtk_text_iter_forward_to_tag_toggle(&end, tag); + + // Native context menu is probably not desired on an URL. + // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value + if(event.GetEventType() == wxEVT_RIGHT_DOWN) + event.Skip(false); + + wxTextUrlEvent url_event(m_windowId, event, + gtk_text_iter_get_offset(&start), + gtk_text_iter_get_offset(&end)); + + InitCommandEvent(url_event); + // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag) + //event.Skip(!GetEventHandler()->ProcessEvent(url_event)); + GetEventHandler()->ProcessEvent(url_event); +} +#endif // gtk2 + // ---------------------------------------------------------------------------- // scrolling // ---------------------------------------------------------------------------- @@ -1804,7 +2273,7 @@ bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff) if ( fabs(adj->value - value) < 0.2 ) { // well, this is what Robert does in wxScrollBar, so it must be good... - return FALSE; + return false; } adj->value = value; @@ -1815,14 +2284,14 @@ bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff) gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed"); #endif - return TRUE; + return true; } bool wxTextCtrl::ScrollLines(int lines) { GtkAdjustment *adj = GetVAdj(); if ( !adj ) - return FALSE; + return false; #ifdef __WXGTK20__ int diff = (int)ceil(lines*adj->step_increment); @@ -1838,7 +2307,7 @@ bool wxTextCtrl::ScrollPages(int pages) { GtkAdjustment *adj = GetVAdj(); if ( !adj ) - return FALSE; + return false; return DoScroll(adj, (int)ceil(pages*adj->page_increment)); }