wxTE_AUTO_URL for wxGTK2 from Mart R. [patch 1126182]
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32159 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Kevin Hock
parent
f131c6bc04
commit
9440c3d0e9
@ -32,6 +32,8 @@ public:
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const wxValidator& validator = wxDefaultValidator,
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const wxString &name = wxTextCtrlNameStr);
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~wxTextCtrl();
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bool Create(wxWindow *parent,
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wxWindowID id,
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const wxString &value = wxEmptyString,
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@ -224,6 +226,11 @@ private:
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// number of calls to Freeze() minus number of calls to Thaw()
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unsigned int m_frozenness;
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// For wxTE_AUTO_URL
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void OnUrlMouseEvent(wxMouseEvent&);
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GdkCursor *m_gdkHandCursor;
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GdkCursor *m_gdkXTermCursor;
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#endif
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DECLARE_EVENT_TABLE()
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@ -32,6 +32,8 @@ public:
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const wxValidator& validator = wxDefaultValidator,
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const wxString &name = wxTextCtrlNameStr);
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~wxTextCtrl();
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bool Create(wxWindow *parent,
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wxWindowID id,
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const wxString &value = wxEmptyString,
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@ -224,6 +226,11 @@ private:
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// number of calls to Freeze() minus number of calls to Thaw()
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unsigned int m_frozenness;
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// For wxTE_AUTO_URL
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void OnUrlMouseEvent(wxMouseEvent&);
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GdkCursor *m_gdkHandCursor;
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GdkCursor *m_gdkXTermCursor;
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#endif
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DECLARE_EVENT_TABLE()
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@ -106,7 +106,7 @@ const wxTextCoord wxInvalidTextCoord = -2;
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// automatically detect the URLs and generate the events when mouse is
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// moved/clicked over an URL
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//
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// this is for Win32 richedit controls only so far
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// this is for Win32 richedit and wxGTK2 multiline controls only so far
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#define wxTE_AUTO_URL 0x1000
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// by default, the Windows text control doesn't show the selection when it
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@ -180,6 +180,197 @@ gtk_insert_text_callback(GtkEditable *editable,
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}
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}
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#ifdef __WXGTK20__
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// Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
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static void
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au_apply_tag_callback(GtkTextBuffer *buffer,
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GtkTextTag *tag,
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GtkTextIter *start,
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GtkTextIter *end,
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gpointer textctrl)
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{
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if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
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g_signal_stop_emission_by_name(buffer, "apply_tag");
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}
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//-----------------------------------------------------------------------------
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// GtkTextCharPredicates for gtk_text_iter_*_find_char
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//-----------------------------------------------------------------------------
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static gboolean
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pred_whitespace (gunichar ch, gpointer user_data)
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{
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return g_unichar_isspace(ch);
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}
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static gboolean
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pred_non_whitespace (gunichar ch, gpointer user_data)
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{
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return !g_unichar_isspace(ch);
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}
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static gboolean
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pred_nonpunct (gunichar ch, gpointer user_data)
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{
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return !g_unichar_ispunct(ch);
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}
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static gboolean
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pred_nonpunct_or_slash (gunichar ch, gpointer user_data)
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{
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return !g_unichar_ispunct(ch) || ch == '/';
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}
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//-----------------------------------------------------------------------------
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// Check for links between s and e and correct tags as necessary
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//-----------------------------------------------------------------------------
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// This function should be made match better while being efficient at one point.
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// Most probably with a row of regular expressions.
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static void
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au_check_word( GtkTextIter *s, GtkTextIter *e )
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{
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static const char *URIPrefixes[] =
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{
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"http://",
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"ftp://",
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"www.",
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"ftp.",
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"mailto://",
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"https://",
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"file://",
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"nntp://",
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"news://",
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"telnet://",
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"mms://",
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"gopher://",
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"prospero://",
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"wais://",
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};
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GtkTextIter start = *s, end = *e;
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GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
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// Get our special link tag
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GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
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// Get rid of punctuation from beginning and end.
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// Might want to move this to au_check_range if an improved link checking doesn't
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// use some intelligent punctuation checking itself (beware of undesired iter modifications).
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if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
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gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
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gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
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gtk_text_iter_forward_char(&end);
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gchar* text = gtk_text_iter_get_text( &start, &end );
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size_t len = strlen(text), prefix_len;
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size_t n;
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for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
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{
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prefix_len = strlen(URIPrefixes[n]);
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if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
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break;
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}
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if(n < WXSIZEOF(URIPrefixes))
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{
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gulong signal_id = g_signal_handler_find(buffer,
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(GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
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0, 0, NULL,
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(gpointer)au_apply_tag_callback, NULL);
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g_signal_handler_block(buffer, signal_id);
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gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
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g_signal_handler_unblock(buffer, signal_id);
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}
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}
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static void
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au_check_range(GtkTextIter *s,
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GtkTextIter *range_end)
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{
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GtkTextIter range_start = *s;
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GtkTextIter word_end;
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GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
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GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
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gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
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if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
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gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
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while(!gtk_text_iter_equal(&range_start, range_end))
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{
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word_end = range_start;
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gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
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// Now we should have a word delimited by range_start and word_end, correct link tags
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au_check_word(&range_start, &word_end);
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range_start = word_end;
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gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
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}
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}
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//-----------------------------------------------------------------------------
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// "insert-text" for GtkTextBuffer
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//-----------------------------------------------------------------------------
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static void
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au_insert_text_callback(GtkTextBuffer *buffer,
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GtkTextIter *end,
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gchar *text,
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gint len,
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wxTextCtrl *win)
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{
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if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
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return;
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GtkTextIter start = *end;
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gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
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GtkTextIter line_start = start;
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GtkTextIter line_end = *end;
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GtkTextIter words_start = start;
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GtkTextIter words_end = *end;
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gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
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gtk_text_iter_forward_to_line_end(&line_end);
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gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
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gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
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au_check_range(&words_start, &words_end);
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}
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//-----------------------------------------------------------------------------
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// "delete-range" for GtkTextBuffer
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//-----------------------------------------------------------------------------
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static void
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au_delete_range_callback(GtkTextBuffer *buffer,
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GtkTextIter *start,
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GtkTextIter *end,
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wxTextCtrl *win)
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{
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if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
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return;
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GtkTextIter line_start = *start, line_end = *end;
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gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
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gtk_text_iter_forward_to_line_end(&line_end);
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gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
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gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
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au_check_range(start, end);
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}
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#endif
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//-----------------------------------------------------------------------------
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// "changed"
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//-----------------------------------------------------------------------------
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@ -287,6 +478,18 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
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EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
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EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
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EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
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#ifdef __WXGTK20__
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// wxTE_AUTO_URL wxTextUrl support. Currently only creates
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// wxTextUrlEvent in the same cases as wxMSW, more can be added here.
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EVT_MOTION (wxTextCtrl::OnUrlMouseEvent)
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EVT_LEFT_DOWN (wxTextCtrl::OnUrlMouseEvent)
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EVT_LEFT_UP (wxTextCtrl::OnUrlMouseEvent)
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EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
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EVT_RIGHT_DOWN (wxTextCtrl::OnUrlMouseEvent)
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EVT_RIGHT_UP (wxTextCtrl::OnUrlMouseEvent)
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EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
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#endif
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END_EVENT_TABLE()
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void wxTextCtrl::Init()
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@ -298,6 +501,18 @@ void wxTextCtrl::Init()
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m_vScrollbar = (GtkWidget *)NULL;
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#ifdef __WXGTK20__
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m_frozenness = 0;
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m_gdkHandCursor = NULL;
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m_gdkXTermCursor = NULL;
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#endif
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}
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wxTextCtrl::~wxTextCtrl()
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{
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#ifdef __WXGTK20__
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if(m_gdkHandCursor)
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gdk_cursor_unref(m_gdkHandCursor);
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if(m_gdkXTermCursor)
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gdk_cursor_unref(m_gdkXTermCursor);
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#endif
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}
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@ -512,6 +727,42 @@ bool wxTextCtrl::Create( wxWindow *parent,
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{
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g_signal_connect( G_OBJECT(m_buffer), "changed",
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GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
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// .. and handle URLs on multi-line controls with wxTE_AUTO_URL style
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if (style & wxTE_AUTO_URL)
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{
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GtkTextIter start, end;
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m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
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m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
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// We create our wxUrl tag here for slight efficiency gain - we
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// don't have to check for the tag existance in callbacks,
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// hereby it's guaranteed to exist.
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gtk_text_buffer_create_tag(m_buffer, "wxUrl",
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"foreground", "blue",
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"underline", PANGO_UNDERLINE_SINGLE,
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NULL);
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// Check for URLs after each text change
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g_signal_connect_after( G_OBJECT(m_buffer), "insert_text",
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GTK_SIGNAL_FUNC(au_insert_text_callback), (gpointer)this);
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g_signal_connect_after( G_OBJECT(m_buffer), "delete_range",
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GTK_SIGNAL_FUNC(au_delete_range_callback), (gpointer)this);
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// Block all wxUrl tag applying unless we do it ourselves, in which case we
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// block this callback temporarily. This takes care of gtk+ internal
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// gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
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// which is undesired because only a part of the URL might be copied.
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// The insert-text signal emitted inside it will take care of newly formed
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// or wholly copied URLs.
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g_signal_connect( G_OBJECT(m_buffer), "apply_tag",
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GTK_SIGNAL_FUNC(au_apply_tag_callback), NULL);
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// Check for URLs in the initial string passed to Create
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gtk_text_buffer_get_start_iter(m_buffer, &start);
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gtk_text_buffer_get_end_iter(m_buffer, &end);
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au_check_range(&start, &end);
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}
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}
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else
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#endif
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@ -1777,6 +2028,62 @@ void wxTextCtrl::Thaw()
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}
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}
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// ----------------------------------------------------------------------------
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// wxTextUrlEvent passing if style & wxTE_AUTO_URL
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// ----------------------------------------------------------------------------
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#ifdef __WXGTK20__
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// FIXME: when dragging on a link the sample gets an "Unknown event".
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// This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
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// a buggy sample, or something else
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void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
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{
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event.Skip();
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if(!(m_windowStyle & wxTE_AUTO_URL))
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return;
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gint x, y;
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GtkTextIter start, end;
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GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
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"wxUrl");
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gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
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event.GetX(), event.GetY(), &x, &y);
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gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
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if (!gtk_text_iter_has_tag(&end, tag))
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{
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gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
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GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
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return;
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}
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gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
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GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
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start = end;
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if(!gtk_text_iter_begins_tag(&start, tag))
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gtk_text_iter_backward_to_tag_toggle(&start, tag);
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if(!gtk_text_iter_ends_tag(&end, tag))
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gtk_text_iter_forward_to_tag_toggle(&end, tag);
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// Native context menu is probably not desired on an URL.
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// Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
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if(event.GetEventType() == wxEVT_RIGHT_DOWN)
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event.Skip(false);
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wxTextUrlEvent url_event(m_windowId, event,
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gtk_text_iter_get_offset(&start),
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gtk_text_iter_get_offset(&end));
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InitCommandEvent(url_event);
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// Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
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//event.Skip(!GetEventHandler()->ProcessEvent(url_event));
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GetEventHandler()->ProcessEvent(url_event);
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}
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#endif // gtk2
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// ----------------------------------------------------------------------------
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// scrolling
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// ----------------------------------------------------------------------------
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@ -180,6 +180,197 @@ gtk_insert_text_callback(GtkEditable *editable,
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}
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}
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#ifdef __WXGTK20__
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// Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
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static void
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au_apply_tag_callback(GtkTextBuffer *buffer,
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GtkTextTag *tag,
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GtkTextIter *start,
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GtkTextIter *end,
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gpointer textctrl)
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{
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if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
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g_signal_stop_emission_by_name(buffer, "apply_tag");
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}
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//-----------------------------------------------------------------------------
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// GtkTextCharPredicates for gtk_text_iter_*_find_char
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//-----------------------------------------------------------------------------
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static gboolean
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pred_whitespace (gunichar ch, gpointer user_data)
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{
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return g_unichar_isspace(ch);
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}
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static gboolean
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pred_non_whitespace (gunichar ch, gpointer user_data)
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{
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return !g_unichar_isspace(ch);
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}
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static gboolean
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pred_nonpunct (gunichar ch, gpointer user_data)
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{
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return !g_unichar_ispunct(ch);
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}
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static gboolean
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pred_nonpunct_or_slash (gunichar ch, gpointer user_data)
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{
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return !g_unichar_ispunct(ch) || ch == '/';
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}
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//-----------------------------------------------------------------------------
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// Check for links between s and e and correct tags as necessary
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//-----------------------------------------------------------------------------
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// This function should be made match better while being efficient at one point.
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// Most probably with a row of regular expressions.
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static void
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au_check_word( GtkTextIter *s, GtkTextIter *e )
|
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{
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static const char *URIPrefixes[] =
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{
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"http://",
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"ftp://",
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"www.",
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"ftp.",
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"mailto://",
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"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);
|
||||
}
|
||||
}
|
||||
|
||||
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
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
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
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
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"
|
||||
//-----------------------------------------------------------------------------
|
||||
@ -287,6 +478,18 @@ 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()
|
||||
@ -298,6 +501,18 @@ void wxTextCtrl::Init()
|
||||
m_vScrollbar = (GtkWidget *)NULL;
|
||||
#ifdef __WXGTK20__
|
||||
m_frozenness = 0;
|
||||
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
|
||||
}
|
||||
|
||||
@ -512,6 +727,42 @@ bool wxTextCtrl::Create( wxWindow *parent,
|
||||
{
|
||||
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
|
||||
@ -1777,6 +2028,62 @@ 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
|
||||
// ----------------------------------------------------------------------------
|
||||
|
||||
Loading…
Reference in New Issue
Block a user