/* * GtkIMHtml * * Gaim is the legal property of its developers, whose names are too numerous * to list here. Please refer to the COPYRIGHT file distributed with this * source distribution. * * This program is free software; you can redistribute it and/or modify * under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #ifdef HAVE_CONFIG_H #include #endif #include "debug.h" #include "util.h" #include "gtkimhtml.h" #include "gtksourceiter.h" #include #include #include #include #include #include #include #include #ifdef HAVE_LANGINFO_CODESET #include #include #endif #ifdef _WIN32 #include #endif #ifdef ENABLE_NLS # include # define _(x) gettext(x) # ifdef gettext_noop # define N_(String) gettext_noop (String) # else # define N_(String) (String) # endif #else # define N_(String) (String) # define _(x) (x) #endif #include /* GTK+ < 2.2.2 hack, see ui.h for details. */ #ifndef GTK_WRAP_WORD_CHAR #define GTK_WRAP_WORD_CHAR GTK_WRAP_WORD #endif #define TOOLTIP_TIMEOUT 500 /* GTK+ 2.0 hack */ #if (!GTK_CHECK_VERSION(2,2,0)) #define gtk_widget_get_clipboard(x, y) gtk_clipboard_get(y) #endif static gboolean gtk_text_view_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time); static void preinsert_cb(GtkTextBuffer *buffer, GtkTextIter *iter, gchar *text, gint len, GtkIMHtml *imhtml); static void insert_cb(GtkTextBuffer *buffer, GtkTextIter *iter, gchar *text, gint len, GtkIMHtml *imhtml); static gboolean gtk_imhtml_is_amp_escape (const gchar *string, gchar **replace, gint *length); void gtk_imhtml_close_tags(GtkIMHtml *imhtml, GtkTextIter *iter); static void gtk_imhtml_link_drop_cb(GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time, gpointer user_data); static void gtk_imhtml_link_drag_rcv_cb(GtkWidget *widget, GdkDragContext *dc, guint x, guint y, GtkSelectionData *sd, guint info, guint t, GtkIMHtml *imhtml); static void mark_set_cb(GtkTextBuffer *buffer, GtkTextIter *arg1, GtkTextMark *mark, GtkIMHtml *imhtml); static void hijack_menu_cb(GtkIMHtml *imhtml, GtkMenu *menu, gpointer data); static void paste_received_cb (GtkClipboard *clipboard, GtkSelectionData *selection_data, gpointer data); static void paste_plaintext_received_cb (GtkClipboard *clipboard, const gchar *text, gpointer data); /* POINT_SIZE converts from AIM font sizes to point sizes. It probably should be redone in such a * way that it base the sizes off the default font size rather than using arbitrary font sizes. */ #define MAX_FONT_SIZE 7 #define POINT_SIZE(x) (options & GTK_IMHTML_USE_POINTSIZE ? x : _point_sizes [MIN ((x), MAX_FONT_SIZE) - 1]) static gdouble _point_sizes [] = { .69444444, .8333333, 1, 1.2, 1.44, 1.728, 2.0736}; enum { TARGET_HTML, TARGET_UTF8_STRING, TARGET_COMPOUND_TEXT, TARGET_STRING, TARGET_TEXT }; enum { DRAG_URL, DRAG_HTML, DRAG_UTF8_STRING, DRAG_COMPOUND_TEXT, DRAG_STRING, DRAG_TEXT, }; enum { URL_CLICKED, BUTTONS_UPDATE, TOGGLE_FORMAT, CLEAR_FORMAT, UPDATE_FORMAT, LAST_SIGNAL }; static guint signals [LAST_SIGNAL] = { 0 }; GtkTargetEntry selection_targets[] = { { "text/html", 0, TARGET_HTML }, { "UTF8_STRING", 0, TARGET_UTF8_STRING }, { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT }, { "STRING", 0, TARGET_STRING }, { "TEXT", 0, TARGET_TEXT}}; GtkTargetEntry link_drag_drop_targets[] = { {"text/html", 0, DRAG_HTML }, {"x-url/ftp", 0, DRAG_URL}, {"x-url/http", 0, DRAG_URL}, {"text/uri-list", 0, DRAG_URL}, {"_NETSCAPE_URL", 0, DRAG_URL}, { "UTF8_STRING", 0, DRAG_UTF8_STRING }, { "COMPOUND_TEXT", 0, DRAG_COMPOUND_TEXT }, { "STRING", 0, DRAG_STRING }, { "TEXT", 0, DRAG_TEXT}}; #ifdef _WIN32 /* Win32 clipboard format value, and functions to convert back and * forth between HTML and the clipboard format. */ static UINT win_html_fmt; static gchar * clipboard_win32_to_html(char *clipboard) { const char *header; const char *begin, *end; gint start=0; gint finish=0; gchar *html; #if 0 /* Debugging for Windows clipboard */ FILE *fd; gaim_debug_info("imhtml clipboard", "from clipboard: %s\n", clipboard); fd = fopen("e:\\gaimcb.txt", "wb"); fprintf(fd, "%s", clipboard); fclose(fd); #endif if (!(header = strstr(clipboard, "StartFragment:"))) return NULL; sscanf(header, "StartFragment:%d", &start); header = strstr(clipboard, "EndFragment:"); sscanf(header, "EndFragment:%d", &finish); begin = clipboard + start; if (header == NULL) end = clipboard + strlen(clipboard); else end = clipboard + finish; html = g_strstrip(g_strndup(begin, end-begin)); #if 0 /* Debugging for Windows clipboard */ gaim_debug_info("imhtml clipboard", "HTML fragment: %s\n", html); #endif return html; } static gchar * clipboard_html_to_win32(char *html) { int length; gchar *ret; GString *clipboard; if (html == NULL) return NULL; length = strlen(html); clipboard = g_string_new ("Version:1.0\r\n"); g_string_append(clipboard, "StartHTML:0000000105\r\n"); g_string_append(clipboard, g_strdup_printf("EndHTML:%010d\r\n", 147 + length)); g_string_append(clipboard, "StartFragment:0000000127\r\n"); g_string_append(clipboard, g_strdup_printf("EndFragment:%010d\r\n", 127 + length)); g_string_append(clipboard, "\r\n"); g_string_append(clipboard, html); g_string_append(clipboard, "\r\n"); ret = clipboard->str; g_string_free(clipboard, FALSE); #if 0 /* Debugging for Windows clipboard */ gaim_debug_info("imhtml clipboard", "from gaim: %s\n", ret); #endif return ret; } #endif static GtkSmileyTree* gtk_smiley_tree_new () { return g_new0 (GtkSmileyTree, 1); } static void gtk_smiley_tree_insert (GtkSmileyTree *tree, GtkIMHtmlSmiley *smiley) { GtkSmileyTree *t = tree; const gchar *x = smiley->smile; if (!strlen (x)) return; while (*x) { gchar *pos; gint index; if (!t->values) t->values = g_string_new (""); pos = strchr (t->values->str, *x); if (!pos) { t->values = g_string_append_c (t->values, *x); index = t->values->len - 1; t->children = g_realloc (t->children, t->values->len * sizeof (GtkSmileyTree *)); t->children [index] = g_new0 (GtkSmileyTree, 1); } else index = GPOINTER_TO_INT(pos) - GPOINTER_TO_INT(t->values->str); t = t->children [index]; x++; } t->image = smiley; } void gtk_smiley_tree_destroy (GtkSmileyTree *tree) { GSList *list = g_slist_append (NULL, tree); while (list) { GtkSmileyTree *t = list->data; gint i; list = g_slist_remove(list, t); if (t && t->values) { for (i = 0; i < t->values->len; i++) list = g_slist_append (list, t->children [i]); g_string_free (t->values, TRUE); g_free (t->children); } g_free (t); } } static gboolean gtk_size_allocate_cb(GtkIMHtml *widget, GtkAllocation *alloc, gpointer user_data) { GdkRectangle rect; int xminus; gtk_text_view_get_visible_rect(GTK_TEXT_VIEW(widget), &rect); if(widget->old_rect.width != rect.width || widget->old_rect.height != rect.height){ GList *iter = GTK_IMHTML(widget)->scalables; xminus = gtk_text_view_get_left_margin(GTK_TEXT_VIEW(widget)) + gtk_text_view_get_right_margin(GTK_TEXT_VIEW(widget)); while(iter){ GtkIMHtmlScalable *scale = GTK_IMHTML_SCALABLE(iter->data); scale->scale(scale, rect.width - xminus, rect.height); iter = iter->next; } } widget->old_rect = rect; return FALSE; } static gint gtk_imhtml_tip_paint (GtkIMHtml *imhtml) { PangoLayout *layout; g_return_val_if_fail(GTK_IS_IMHTML(imhtml), FALSE); layout = gtk_widget_create_pango_layout(imhtml->tip_window, imhtml->tip); gtk_paint_flat_box (imhtml->tip_window->style, imhtml->tip_window->window, GTK_STATE_NORMAL, GTK_SHADOW_OUT, NULL, imhtml->tip_window, "tooltip", 0, 0, -1, -1); gtk_paint_layout (imhtml->tip_window->style, imhtml->tip_window->window, GTK_STATE_NORMAL, FALSE, NULL, imhtml->tip_window, NULL, 4, 4, layout); g_object_unref(layout); return FALSE; } static gint gtk_imhtml_tip (gpointer data) { GtkIMHtml *imhtml = data; PangoFontMetrics *font_metrics; PangoLayout *layout; PangoFont *font; gint gap, x, y, h, w, scr_w, baseline_skip; g_return_val_if_fail(GTK_IS_IMHTML(imhtml), FALSE); if (!imhtml->tip || !GTK_WIDGET_DRAWABLE (GTK_WIDGET(imhtml))) { imhtml->tip_timer = 0; return FALSE; } if (imhtml->tip_window){ gtk_widget_destroy (imhtml->tip_window); imhtml->tip_window = NULL; } imhtml->tip_timer = 0; imhtml->tip_window = gtk_window_new (GTK_WINDOW_POPUP); gtk_widget_set_app_paintable (imhtml->tip_window, TRUE); gtk_window_set_resizable (GTK_WINDOW (imhtml->tip_window), FALSE); gtk_widget_set_name (imhtml->tip_window, "gtk-tooltips"); g_signal_connect_swapped (G_OBJECT (imhtml->tip_window), "expose_event", G_CALLBACK (gtk_imhtml_tip_paint), imhtml); gtk_widget_ensure_style (imhtml->tip_window); layout = gtk_widget_create_pango_layout(imhtml->tip_window, imhtml->tip); font = pango_context_load_font(pango_layout_get_context(layout), imhtml->tip_window->style->font_desc); if (font == NULL) { char *tmp = pango_font_description_to_string( imhtml->tip_window->style->font_desc); gaim_debug(GAIM_DEBUG_ERROR, "gtk_imhtml_tip", "pango_context_load_font() couldn't load font: '%s'\n", tmp); g_free(tmp); return FALSE; } font_metrics = pango_font_get_metrics(font, NULL); pango_layout_get_pixel_size(layout, &scr_w, NULL); gap = PANGO_PIXELS((pango_font_metrics_get_ascent(font_metrics) + pango_font_metrics_get_descent(font_metrics))/ 4); if (gap < 2) gap = 2; baseline_skip = PANGO_PIXELS(pango_font_metrics_get_ascent(font_metrics) + pango_font_metrics_get_descent(font_metrics)); w = 8 + scr_w; h = 8 + baseline_skip; gdk_window_get_pointer (NULL, &x, &y, NULL); if (GTK_WIDGET_NO_WINDOW (GTK_WIDGET(imhtml))) y += GTK_WIDGET(imhtml)->allocation.y; scr_w = gdk_screen_width(); x -= ((w >> 1) + 4); if ((x + w) > scr_w) x -= (x + w) - scr_w; else if (x < 0) x = 0; y = y + PANGO_PIXELS(pango_font_metrics_get_ascent(font_metrics) + pango_font_metrics_get_descent(font_metrics)); gtk_widget_set_size_request (imhtml->tip_window, w, h); gtk_widget_show (imhtml->tip_window); gtk_window_move (GTK_WINDOW(imhtml->tip_window), x, y); pango_font_metrics_unref(font_metrics); g_object_unref(layout); return FALSE; } gboolean gtk_motion_event_notify(GtkWidget *imhtml, GdkEventMotion *event, gpointer data) { GtkTextIter iter; GdkWindow *win = event->window; int x, y; char *tip = NULL; GSList *tags = NULL, *templist = NULL; gdk_window_get_pointer(GTK_WIDGET(imhtml)->window, NULL, NULL, NULL); gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(imhtml), GTK_TEXT_WINDOW_WIDGET, event->x, event->y, &x, &y); gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(imhtml), &iter, x, y); tags = gtk_text_iter_get_tags(&iter); templist = tags; while (templist) { GtkTextTag *tag = templist->data; tip = g_object_get_data(G_OBJECT(tag), "link_url"); if (tip) break; templist = templist->next; } if (GTK_IMHTML(imhtml)->tip) { if ((tip == GTK_IMHTML(imhtml)->tip)) { return FALSE; } /* We've left the cell. Remove the timeout and create a new one below */ if (GTK_IMHTML(imhtml)->tip_window) { gtk_widget_destroy(GTK_IMHTML(imhtml)->tip_window); GTK_IMHTML(imhtml)->tip_window = NULL; } if (GTK_IMHTML(imhtml)->editable) gdk_window_set_cursor(win, GTK_IMHTML(imhtml)->text_cursor); else gdk_window_set_cursor(win, GTK_IMHTML(imhtml)->arrow_cursor); if (GTK_IMHTML(imhtml)->tip_timer) g_source_remove(GTK_IMHTML(imhtml)->tip_timer); GTK_IMHTML(imhtml)->tip_timer = 0; } if(tip){ if (!GTK_IMHTML(imhtml)->editable) gdk_window_set_cursor(win, GTK_IMHTML(imhtml)->hand_cursor); GTK_IMHTML(imhtml)->tip_timer = g_timeout_add (TOOLTIP_TIMEOUT, gtk_imhtml_tip, imhtml); } GTK_IMHTML(imhtml)->tip = tip; g_slist_free(tags); return FALSE; } gboolean gtk_leave_event_notify(GtkWidget *imhtml, GdkEventCrossing *event, gpointer data) { /* when leaving the widget, clear any current & pending tooltips and restore the cursor */ if (GTK_IMHTML(imhtml)->tip_window) { gtk_widget_destroy(GTK_IMHTML(imhtml)->tip_window); GTK_IMHTML(imhtml)->tip_window = NULL; } if (GTK_IMHTML(imhtml)->tip_timer) { g_source_remove(GTK_IMHTML(imhtml)->tip_timer); GTK_IMHTML(imhtml)->tip_timer = 0; } if (GTK_IMHTML(imhtml)->editable) gdk_window_set_cursor(event->window, GTK_IMHTML(imhtml)->text_cursor); else gdk_window_set_cursor(event->window, GTK_IMHTML(imhtml)->arrow_cursor); /* propagate the event normally */ return FALSE; } /* * XXX - This should be removed eventually. * * This function exists to work around a gross bug in GtkTextView. * Basically, we short circuit ctrl+a and ctrl+end because they make * el program go boom. * * It's supposed to be fixed in gtk2.2. You can view the bug report at * http://bugzilla.gnome.org/show_bug.cgi?id=107939 */ /* * I'm adding some keyboard shortcuts too. */ gboolean gtk_key_pressed_cb(GtkIMHtml *imhtml, GdkEventKey *event, gpointer data) { char buf[7]; buf[0] = '\0'; if (event->state & GDK_CONTROL_MASK) switch (event->keyval) { #if (!GTK_CHECK_VERSION(2,2,0)) case 'a': return TRUE; break; case GDK_Home: return TRUE; break; case GDK_End: return TRUE; break; #endif /* !(Gtk+ >= 2.2.0) */ case 'b': /* ctrl-b is GDK_Left, which moves backwards. */ case 'B': if (imhtml->format_functions & GTK_IMHTML_BOLD) { if(imhtml->html_shortcuts) { gtk_imhtml_toggle_bold(imhtml); return TRUE; } } return FALSE; break; case 'i': case 'I': if (imhtml->format_functions & GTK_IMHTML_ITALIC) { if(imhtml->html_shortcuts) { gtk_imhtml_toggle_italic(imhtml); return TRUE; } } return FALSE; break; case 'u': /* ctrl-u is GDK_Clear, which clears the line. */ case 'U': if (imhtml->format_functions & GTK_IMHTML_UNDERLINE) { if(imhtml->html_shortcuts) { gtk_imhtml_toggle_underline(imhtml); return TRUE; } } return FALSE; break; case '-': if (imhtml->format_functions & GTK_IMHTML_SHRINK) gtk_imhtml_font_shrink(imhtml); return TRUE; break; case '=': case '+': if (imhtml->format_functions & GTK_IMHTML_GROW) gtk_imhtml_font_grow(imhtml); return TRUE; break; case '1': strcpy(buf, ":-)"); break; case '2': strcpy(buf, ":-("); break; case '3': strcpy(buf, ";-)"); break; case '4': strcpy(buf, ":-P"); break; case '5': strcpy(buf, "=-O"); break; case '6': strcpy(buf, ":-*"); break; case '7': strcpy(buf, ">:o"); break; case '8': strcpy(buf, "8-)"); break; case '!': strcpy(buf, ":-$"); break; case '@': strcpy(buf, ":-!"); break; case '#': strcpy(buf, ":-["); break; case '$': strcpy(buf, "O:-)"); break; case '%': strcpy(buf, ":-/"); break; case '^': strcpy(buf, ":'("); break; case '&': strcpy(buf, ":-X"); break; case '*': strcpy(buf, ":-D"); break; } if (*buf && imhtml->smiley_shortcuts) { gtk_imhtml_insert_smiley(imhtml, imhtml->protocol_name, buf); return TRUE; } return FALSE; } static void paste_unformatted_cb(GtkMenuItem *menu, GtkIMHtml *imhtml) { GtkClipboard *clipboard = gtk_widget_get_clipboard(GTK_WIDGET(imhtml), GDK_SELECTION_CLIPBOARD); gtk_clipboard_request_text(clipboard, paste_plaintext_received_cb, imhtml); } static void hijack_menu_cb(GtkIMHtml *imhtml, GtkMenu *menu, gpointer data) { GtkWidget *menuitem; menuitem = gtk_menu_item_new_with_mnemonic(_("Pa_ste As Text")); gtk_widget_show(menuitem); gtk_widget_set_sensitive(menuitem, (imhtml->editable && gtk_clipboard_wait_is_text_available( gtk_widget_get_clipboard(GTK_WIDGET(imhtml), GDK_SELECTION_CLIPBOARD)))); /* put it after "Paste" */ gtk_menu_shell_insert(GTK_MENU_SHELL(menu), menuitem, 3); g_signal_connect(G_OBJECT(menuitem), "activate", G_CALLBACK(paste_unformatted_cb), imhtml); } static void gtk_imhtml_clipboard_get(GtkClipboard *clipboard, GtkSelectionData *selection_data, guint info, GtkIMHtml *imhtml) { char *text; gboolean primary; GtkTextIter start, end; GtkTextMark *sel = gtk_text_buffer_get_selection_bound(imhtml->text_buffer); GtkTextMark *ins = gtk_text_buffer_get_insert(imhtml->text_buffer); gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &start, sel); gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &end, ins); primary = gtk_widget_get_clipboard(GTK_WIDGET(imhtml), GDK_SELECTION_PRIMARY) == clipboard; if (info == TARGET_HTML) { gsize len; char *selection; GString *str = g_string_new(NULL); if (primary) { text = gtk_imhtml_get_markup_range(imhtml, &start, &end); } else text = imhtml->clipboard_html_string; /* Mozilla asks that we start our text/html with the Unicode byte order mark */ str = g_string_append_unichar(str, 0xfeff); str = g_string_append(str, text); str = g_string_append_unichar(str, 0x0000); selection = g_convert(str->str, str->len, "UCS-2", "UTF-8", NULL, &len, NULL); gtk_selection_data_set(selection_data, gdk_atom_intern("text/html", FALSE), 16, selection, len); g_string_free(str, TRUE); g_free(selection); } else { if (primary) { text = gtk_imhtml_get_text(imhtml, &start, &end); } else text = imhtml->clipboard_text_string; gtk_selection_data_set_text(selection_data, text, strlen(text)); } if (primary) /* This was allocated here */ g_free(text); } static void gtk_imhtml_primary_clipboard_clear(GtkClipboard *clipboard, GtkIMHtml *imhtml) { GtkTextIter insert; GtkTextIter selection_bound; gtk_text_buffer_get_iter_at_mark (imhtml->text_buffer, &insert, gtk_text_buffer_get_mark (imhtml->text_buffer, "insert")); gtk_text_buffer_get_iter_at_mark (imhtml->text_buffer, &selection_bound, gtk_text_buffer_get_mark (imhtml->text_buffer, "selection_bound")); if (!gtk_text_iter_equal (&insert, &selection_bound)) gtk_text_buffer_move_mark (imhtml->text_buffer, gtk_text_buffer_get_mark (imhtml->text_buffer, "selection_bound"), &insert); } static void copy_clipboard_cb(GtkIMHtml *imhtml, gpointer unused) { GtkTextIter start, end; GtkTextMark *sel = gtk_text_buffer_get_selection_bound(imhtml->text_buffer); GtkTextMark *ins = gtk_text_buffer_get_insert(imhtml->text_buffer); gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &start, sel); gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &end, ins); gtk_clipboard_set_with_owner(gtk_widget_get_clipboard(GTK_WIDGET(imhtml), GDK_SELECTION_CLIPBOARD), selection_targets, sizeof(selection_targets) / sizeof(GtkTargetEntry), (GtkClipboardGetFunc)gtk_imhtml_clipboard_get, (GtkClipboardClearFunc)NULL, G_OBJECT(imhtml)); if (imhtml->clipboard_html_string) { g_free(imhtml->clipboard_html_string); g_free(imhtml->clipboard_text_string); } imhtml->clipboard_html_string = gtk_imhtml_get_markup_range(imhtml, &start, &end); imhtml->clipboard_text_string = gtk_imhtml_get_text(imhtml, &start, &end); #ifdef _WIN32 /* We're going to still copy plain text, but let's toss the "HTML Format" we need into the windows clipboard now as well. */ HGLOBAL hdata; gchar *clipboard = clipboard_html_to_win32(imhtml->clipboard_html_string); gchar *buffer; gint length = strlen(clipboard); if(clipboard != NULL) { OpenClipboard(NULL); hdata = GlobalAlloc(GMEM_MOVEABLE, length); buffer = GlobalLock(hdata); memcpy(buffer, clipboard, length); GlobalUnlock(hdata); SetClipboardData(win_html_fmt, hdata); CloseClipboard(); g_free(clipboard); } #endif g_signal_stop_emission_by_name(imhtml, "copy-clipboard"); } static void cut_clipboard_cb(GtkIMHtml *imhtml, gpointer unused) { GtkTextIter start, end; GtkTextMark *sel = gtk_text_buffer_get_selection_bound(imhtml->text_buffer); GtkTextMark *ins = gtk_text_buffer_get_insert(imhtml->text_buffer); gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &start, sel); gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &end, ins); gtk_clipboard_set_with_owner(gtk_widget_get_clipboard(GTK_WIDGET(imhtml), GDK_SELECTION_CLIPBOARD), selection_targets, sizeof(selection_targets) / sizeof(GtkTargetEntry), (GtkClipboardGetFunc)gtk_imhtml_clipboard_get, (GtkClipboardClearFunc)NULL, G_OBJECT(imhtml)); if (imhtml->clipboard_html_string) { g_free(imhtml->clipboard_html_string); g_free(imhtml->clipboard_text_string); } imhtml->clipboard_html_string = gtk_imhtml_get_markup_range(imhtml, &start, &end); imhtml->clipboard_text_string = gtk_imhtml_get_text(imhtml, &start, &end); #ifdef _WIN32 /* We're going to still copy plain text, but let's toss the "HTML Format" we need into the windows clipboard now as well. */ HGLOBAL hdata; gchar *clipboard = clipboard_html_to_win32(imhtml->clipboard_html_string); gchar *buffer; gint length = strlen(clipboard); if(clipboard != NULL) { OpenClipboard(NULL); hdata = GlobalAlloc(GMEM_MOVEABLE, length); buffer = GlobalLock(hdata); memcpy(buffer, clipboard, length); GlobalUnlock(hdata); SetClipboardData(win_html_fmt, hdata); CloseClipboard(); g_free(clipboard); } #endif if (imhtml->editable) gtk_text_buffer_delete_selection(imhtml->text_buffer, FALSE, FALSE); g_signal_stop_emission_by_name(imhtml, "cut-clipboard"); } static void imhtml_paste_insert(GtkIMHtml *imhtml, const char *text, gboolean plaintext) { GtkTextIter iter; GtkIMHtmlOptions flags = plaintext ? 0 : (GTK_IMHTML_NO_NEWLINE | GTK_IMHTML_NO_COMMENTS); if (gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, NULL, NULL)) gtk_text_buffer_delete_selection(imhtml->text_buffer, TRUE, TRUE); gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &iter, gtk_text_buffer_get_insert(imhtml->text_buffer)); if (!imhtml->wbfo && !plaintext) gtk_imhtml_close_tags(imhtml, &iter); gtk_imhtml_insert_html_at_iter(imhtml, text, flags, &iter); gtk_text_buffer_move_mark_by_name(imhtml->text_buffer, "insert", &iter); gtk_text_view_scroll_to_mark(GTK_TEXT_VIEW(imhtml), gtk_text_buffer_get_insert(imhtml->text_buffer), 0, FALSE, 0.0, 0.0); } static void paste_plaintext_received_cb (GtkClipboard *clipboard, const gchar *text, gpointer data) { char *tmp; if (text == NULL) return; tmp = gaim_escape_html(text); imhtml_paste_insert(data, tmp, TRUE); g_free(tmp); } static void paste_received_cb (GtkClipboard *clipboard, GtkSelectionData *selection_data, gpointer data) { char *text; GtkIMHtml *imhtml = data; if (!gtk_text_view_get_editable(GTK_TEXT_VIEW(imhtml))) return; if (selection_data->length < 0) { gtk_clipboard_request_text(clipboard, paste_plaintext_received_cb, imhtml); return; } else { #if 0 /* Here's some debug code, for figuring out what sent to us over the clipboard. */ { int i; gaim_debug_misc("gtkimhtml", "In paste_received_cb():\n\tformat = %d, length = %d\n\t", selection_data->format, selection_data->length); for (i = 0; i < (/*(selection_data->format / 8) **/ selection_data->length); i++) { if ((i % 70) == 0) printf("\n\t"); if (selection_data->data[i] == '\0') printf("."); else printf("%c", selection_data->data[i]); } printf("\n"); } #endif text = g_malloc(selection_data->length); memcpy(text, selection_data->data, selection_data->length); } if (selection_data->length >= 2 && (*(guint16 *)text == 0xfeff || *(guint16 *)text == 0xfffe)) { /* This is UCS-2 */ char *tmp; char *utf8 = g_convert(text, selection_data->length, "UTF-8", "UCS-2", NULL, NULL, NULL); g_free(text); text = utf8; if (!text) { gaim_debug_warning("gtkimhtml", "g_convert from UCS-2 failed in paste_received_cb\n"); return; } tmp = g_utf8_next_char(text); memmove(text, tmp, strlen(tmp) + 1); } if (!(*text) || !g_utf8_validate(text, -1, NULL)) { gaim_debug_warning("gtkimhtml", "empty string or invalid UTF-8 in paste_received_cb\n"); g_free(text); return; } imhtml_paste_insert(imhtml, text, FALSE); g_free(text); } static void paste_clipboard_cb(GtkIMHtml *imhtml, gpointer blah) { #ifdef _WIN32 /* If we're on windows, let's see if we can get data from the HTML Format clipboard before we try to paste from the GTK buffer */ HGLOBAL hdata; DWORD err; char *buffer; char *text; if (!gtk_text_view_get_editable(GTK_TEXT_VIEW(imhtml))) return; if (IsClipboardFormatAvailable(win_html_fmt)) { OpenClipboard(NULL); hdata = GetClipboardData(win_html_fmt); if (hdata == NULL) { err = GetLastError(); gaim_debug_info("html clipboard", "error number %u! See http://msdn.microsoft.com/library/en-us/debug/base/system_error_codes.asp\n", err); CloseClipboard(); return; } buffer = GlobalLock(hdata); if (buffer == NULL) { err = GetLastError(); gaim_debug_info("html clipboard", "error number %u! See http://msdn.microsoft.com/library/en-us/debug/base/system_error_codes.asp\n", err); CloseClipboard(); return; } text = clipboard_win32_to_html(buffer); GlobalUnlock(hdata); CloseClipboard(); imhtml_paste_insert(imhtml, text, FALSE); g_free(text); } else { #endif GtkClipboard *clipboard = gtk_widget_get_clipboard(GTK_WIDGET(imhtml), GDK_SELECTION_CLIPBOARD); gtk_clipboard_request_contents(clipboard, gdk_atom_intern("text/html", FALSE), paste_received_cb, imhtml); #ifdef _WIN32 } #endif g_signal_stop_emission_by_name(imhtml, "paste-clipboard"); } static void imhtml_realized_remove_primary(GtkIMHtml *imhtml, gpointer unused) { gtk_text_buffer_remove_selection_clipboard(GTK_IMHTML(imhtml)->text_buffer, gtk_widget_get_clipboard(GTK_WIDGET(imhtml), GDK_SELECTION_PRIMARY)); } static void imhtml_destroy_add_primary(GtkIMHtml *imhtml, gpointer unused) { gtk_text_buffer_add_selection_clipboard(GTK_IMHTML(imhtml)->text_buffer, gtk_widget_get_clipboard(GTK_WIDGET(imhtml), GDK_SELECTION_PRIMARY)); } static void mark_set_so_update_selection_cb(GtkTextBuffer *buffer, GtkTextIter *arg1, GtkTextMark *mark, GtkIMHtml *imhtml) { if (gtk_text_buffer_get_selection_bounds(buffer, NULL, NULL)) { gtk_clipboard_set_with_owner(gtk_widget_get_clipboard(GTK_WIDGET(imhtml), GDK_SELECTION_PRIMARY), selection_targets, sizeof(selection_targets) / sizeof(GtkTargetEntry), (GtkClipboardGetFunc)gtk_imhtml_clipboard_get, (GtkClipboardClearFunc)gtk_imhtml_primary_clipboard_clear, G_OBJECT(imhtml)); } } static gboolean gtk_imhtml_button_press_event(GtkIMHtml *imhtml, GdkEventButton *event, gpointer unused) { if (event->button == 2) { int x, y; GtkTextIter iter; GtkClipboard *clipboard = gtk_widget_get_clipboard(GTK_WIDGET(imhtml), GDK_SELECTION_PRIMARY); if (!imhtml->editable) return FALSE; gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(imhtml), GTK_TEXT_WINDOW_TEXT, event->x, event->y, &x, &y); gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(imhtml), &iter, x, y); gtk_text_buffer_place_cursor(imhtml->text_buffer, &iter); gtk_clipboard_request_contents(clipboard, gdk_atom_intern("text/html", FALSE), paste_received_cb, imhtml); return TRUE; } return FALSE; } static GtkTextViewClass *parent_class = NULL; static void gtk_imhtml_finalize (GObject *object) { GtkIMHtml *imhtml = GTK_IMHTML(object); GList *scalables; GSList *l; g_hash_table_destroy(imhtml->smiley_data); gtk_smiley_tree_destroy(imhtml->default_smilies); gdk_cursor_unref(imhtml->hand_cursor); gdk_cursor_unref(imhtml->arrow_cursor); gdk_cursor_unref(imhtml->text_cursor); if(imhtml->tip_window){ gtk_widget_destroy(imhtml->tip_window); } if(imhtml->tip_timer) gtk_timeout_remove(imhtml->tip_timer); for(scalables = imhtml->scalables; scalables; scalables = scalables->next) { GtkIMHtmlScalable *scale = GTK_IMHTML_SCALABLE(scalables->data); scale->free(scale); } for (l = imhtml->im_images; l; l = l->next) { int id; id = GPOINTER_TO_INT(l->data); if (imhtml->funcs->image_unref) imhtml->funcs->image_unref(id); } if (imhtml->clipboard_text_string) { g_free(imhtml->clipboard_text_string); g_free(imhtml->clipboard_html_string); } g_list_free(imhtml->scalables); g_slist_free(imhtml->im_images); if (imhtml->protocol_name) g_free(imhtml->protocol_name); G_OBJECT_CLASS(parent_class)->finalize (object); } /* Boring GTK stuff */ static void gtk_imhtml_class_init (GtkIMHtmlClass *klass) { GtkWidgetClass *widget_class = (GtkWidgetClass *) klass; GtkObjectClass *object_class; GObjectClass *gobject_class; object_class = (GtkObjectClass*) klass; gobject_class = (GObjectClass*) klass; parent_class = gtk_type_class(GTK_TYPE_TEXT_VIEW); signals[URL_CLICKED] = g_signal_new("url_clicked", G_TYPE_FROM_CLASS(gobject_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET(GtkIMHtmlClass, url_clicked), NULL, 0, g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, G_TYPE_POINTER); signals[BUTTONS_UPDATE] = g_signal_new("format_buttons_update", G_TYPE_FROM_CLASS(gobject_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET(GtkIMHtmlClass, buttons_update), NULL, 0, g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, G_TYPE_INT); signals[TOGGLE_FORMAT] = g_signal_new("format_function_toggle", G_TYPE_FROM_CLASS(gobject_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET(GtkIMHtmlClass, toggle_format), NULL, 0, g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, G_TYPE_INT); signals[CLEAR_FORMAT] = g_signal_new("format_function_clear", G_TYPE_FROM_CLASS(gobject_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET(GtkIMHtmlClass, clear_format), NULL, 0, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); signals[UPDATE_FORMAT] = g_signal_new("format_function_update", G_TYPE_FROM_CLASS(gobject_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET(GtkIMHtmlClass, update_format), NULL, 0, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); gobject_class->finalize = gtk_imhtml_finalize; widget_class->drag_motion = gtk_text_view_drag_motion; gtk_widget_class_install_style_property(widget_class, g_param_spec_boxed("hyperlink-color", _("Hyperlink color"), _("Color to draw hyperlinks."), GDK_TYPE_COLOR, G_PARAM_READABLE)); } static void gtk_imhtml_init (GtkIMHtml *imhtml) { GtkTextIter iter; imhtml->text_buffer = gtk_text_buffer_new(NULL); gtk_text_buffer_get_end_iter (imhtml->text_buffer, &iter); imhtml->scrollpoint = gtk_text_buffer_create_mark(imhtml->text_buffer, NULL, &iter, FALSE); gtk_text_view_set_buffer(GTK_TEXT_VIEW(imhtml), imhtml->text_buffer); gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(imhtml), GTK_WRAP_WORD_CHAR); gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(imhtml), 5); gtk_text_view_set_left_margin(GTK_TEXT_VIEW(imhtml), 2); gtk_text_view_set_right_margin(GTK_TEXT_VIEW(imhtml), 2); /*gtk_text_view_set_indent(GTK_TEXT_VIEW(imhtml), -15);*/ /*gtk_text_view_set_justification(GTK_TEXT_VIEW(imhtml), GTK_JUSTIFY_FILL);*/ /* These tags will be used often and can be reused--we create them on init and then apply them by name * other tags (color, size, face, etc.) will have to be created and applied dynamically * Note that even though we created STRIKE, SUB, SUP, and PRE tags here, we don't really * apply them anywhere yet. */ gtk_text_buffer_create_tag(imhtml->text_buffer, "BOLD", "weight", PANGO_WEIGHT_BOLD, NULL); gtk_text_buffer_create_tag(imhtml->text_buffer, "ITALICS", "style", PANGO_STYLE_ITALIC, NULL); gtk_text_buffer_create_tag(imhtml->text_buffer, "UNDERLINE", "underline", PANGO_UNDERLINE_SINGLE, NULL); gtk_text_buffer_create_tag(imhtml->text_buffer, "STRIKE", "strikethrough", TRUE, NULL); gtk_text_buffer_create_tag(imhtml->text_buffer, "SUB", "rise", -5000, NULL); gtk_text_buffer_create_tag(imhtml->text_buffer, "SUP", "rise", 5000, NULL); gtk_text_buffer_create_tag(imhtml->text_buffer, "PRE", "family", "Monospace", NULL); gtk_text_buffer_create_tag(imhtml->text_buffer, "search", "background", "#22ff00", "weight", "bold", NULL); /* When hovering over a link, we show the hand cursor--elsewhere we show the plain ol' pointer cursor */ imhtml->hand_cursor = gdk_cursor_new (GDK_HAND2); imhtml->arrow_cursor = gdk_cursor_new (GDK_LEFT_PTR); imhtml->text_cursor = gdk_cursor_new (GDK_XTERM); imhtml->show_comments = TRUE; imhtml->zoom = 1.0; imhtml->original_fsize = 0; imhtml->smiley_data = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, (GDestroyNotify)gtk_smiley_tree_destroy); imhtml->default_smilies = gtk_smiley_tree_new(); g_signal_connect(G_OBJECT(imhtml), "size-allocate", G_CALLBACK(gtk_size_allocate_cb), NULL); g_signal_connect(G_OBJECT(imhtml), "motion-notify-event", G_CALLBACK(gtk_motion_event_notify), NULL); g_signal_connect(G_OBJECT(imhtml), "leave-notify-event", G_CALLBACK(gtk_leave_event_notify), NULL); g_signal_connect(G_OBJECT(imhtml), "key_press_event", G_CALLBACK(gtk_key_pressed_cb), NULL); g_signal_connect(G_OBJECT(imhtml), "button_press_event", G_CALLBACK(gtk_imhtml_button_press_event), NULL); g_signal_connect(G_OBJECT(imhtml->text_buffer), "insert-text", G_CALLBACK(preinsert_cb), imhtml); g_signal_connect_after(G_OBJECT(imhtml->text_buffer), "insert-text", G_CALLBACK(insert_cb), imhtml); gtk_drag_dest_set(GTK_WIDGET(imhtml), 0, link_drag_drop_targets, sizeof(link_drag_drop_targets) / sizeof(GtkTargetEntry), GDK_ACTION_COPY); g_signal_connect(G_OBJECT(imhtml), "drag_data_received", G_CALLBACK(gtk_imhtml_link_drag_rcv_cb), imhtml); g_signal_connect(G_OBJECT(imhtml), "drag_drop", G_CALLBACK(gtk_imhtml_link_drop_cb), imhtml); g_signal_connect(G_OBJECT(imhtml), "copy-clipboard", G_CALLBACK(copy_clipboard_cb), NULL); g_signal_connect(G_OBJECT(imhtml), "cut-clipboard", G_CALLBACK(cut_clipboard_cb), NULL); g_signal_connect(G_OBJECT(imhtml), "paste-clipboard", G_CALLBACK(paste_clipboard_cb), NULL); g_signal_connect_after(G_OBJECT(imhtml), "realize", G_CALLBACK(imhtml_realized_remove_primary), NULL); g_signal_connect(G_OBJECT(imhtml), "unrealize", G_CALLBACK(imhtml_destroy_add_primary), NULL); g_signal_connect_after(G_OBJECT(GTK_IMHTML(imhtml)->text_buffer), "mark-set", G_CALLBACK(mark_set_so_update_selection_cb), imhtml); gtk_widget_add_events(GTK_WIDGET(imhtml), GDK_LEAVE_NOTIFY_MASK); imhtml->clipboard_text_string = NULL; imhtml->clipboard_html_string = NULL; imhtml->tip = NULL; imhtml->tip_timer = 0; imhtml->tip_window = NULL; imhtml->edit.bold = FALSE; imhtml->edit.italic = FALSE; imhtml->edit.underline = FALSE; imhtml->edit.forecolor = NULL; imhtml->edit.backcolor = NULL; imhtml->edit.fontface = NULL; imhtml->edit.fontsize = 0; imhtml->edit.link = NULL; imhtml->scalables = NULL; gtk_imhtml_set_editable(imhtml, FALSE); g_signal_connect(G_OBJECT(imhtml), "populate-popup", G_CALLBACK(hijack_menu_cb), NULL); #ifdef _WIN32 /* Register HTML Format as desired clipboard format */ win_html_fmt = RegisterClipboardFormat("HTML Format"); #endif } GtkWidget *gtk_imhtml_new(void *a, void *b) { return GTK_WIDGET(g_object_new(gtk_imhtml_get_type(), NULL)); } GType gtk_imhtml_get_type() { static GType imhtml_type = 0; if (!imhtml_type) { static const GTypeInfo imhtml_info = { sizeof(GtkIMHtmlClass), NULL, NULL, (GClassInitFunc) gtk_imhtml_class_init, NULL, NULL, sizeof (GtkIMHtml), 0, (GInstanceInitFunc) gtk_imhtml_init }; imhtml_type = g_type_register_static(gtk_text_view_get_type(), "GtkIMHtml", &imhtml_info, 0); } return imhtml_type; } struct url_data { GObject *object; gchar *url; }; static void url_data_destroy(gpointer mydata) { struct url_data *data = mydata; g_object_unref(data->object); g_free(data->url); g_free(data); } static void url_open(GtkWidget *w, struct url_data *data) { if(!data) return; g_signal_emit(data->object, signals[URL_CLICKED], 0, data->url); } static void url_copy(GtkWidget *w, gchar *url) { GtkClipboard *clipboard; clipboard = gtk_widget_get_clipboard(w, GDK_SELECTION_PRIMARY); gtk_clipboard_set_text(clipboard, url, -1); clipboard = gtk_widget_get_clipboard(w, GDK_SELECTION_CLIPBOARD); gtk_clipboard_set_text(clipboard, url, -1); } /* The callback for an event on a link tag. */ gboolean tag_event(GtkTextTag *tag, GObject *imhtml, GdkEvent *event, GtkTextIter *arg2, gpointer unused) { GdkEventButton *event_button = (GdkEventButton *) event; if (GTK_IMHTML(imhtml)->editable) return FALSE; if (event->type == GDK_BUTTON_RELEASE) { if ((event_button->button == 1) || (event_button->button == 2)) { GtkTextIter start, end; /* we shouldn't open a URL if the user has selected something: */ if (gtk_text_buffer_get_selection_bounds( gtk_text_iter_get_buffer(arg2), &start, &end)) return FALSE; /* A link was clicked--we emit the "url_clicked" signal * with the URL as the argument */ g_object_ref(G_OBJECT(tag)); g_signal_emit(imhtml, signals[URL_CLICKED], 0, g_object_get_data(G_OBJECT(tag), "link_url")); g_object_unref(G_OBJECT(tag)); return FALSE; } else if(event_button->button == 3) { GtkWidget *img, *item, *menu; struct url_data *tempdata = g_new(struct url_data, 1); tempdata->object = g_object_ref(imhtml); tempdata->url = g_strdup(g_object_get_data(G_OBJECT(tag), "link_url")); /* Don't want the tooltip around if user right-clicked on link */ if (GTK_IMHTML(imhtml)->tip_window) { gtk_widget_destroy(GTK_IMHTML(imhtml)->tip_window); GTK_IMHTML(imhtml)->tip_window = NULL; } if (GTK_IMHTML(imhtml)->tip_timer) { g_source_remove(GTK_IMHTML(imhtml)->tip_timer); GTK_IMHTML(imhtml)->tip_timer = 0; } if (GTK_IMHTML(imhtml)->editable) gdk_window_set_cursor(event_button->window, GTK_IMHTML(imhtml)->text_cursor); else gdk_window_set_cursor(event_button->window, GTK_IMHTML(imhtml)->arrow_cursor); menu = gtk_menu_new(); g_object_set_data_full(G_OBJECT(menu), "x-imhtml-url-data", tempdata, url_data_destroy); /* buttons and such */ if (!strncmp(tempdata->url, "mailto:", 7)) { /* Copy E-Mail Address */ img = gtk_image_new_from_stock(GTK_STOCK_COPY, GTK_ICON_SIZE_MENU); item = gtk_image_menu_item_new_with_mnemonic( _("_Copy E-Mail Address")); gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item), img); g_signal_connect(G_OBJECT(item), "activate", G_CALLBACK(url_copy), tempdata->url + 7); gtk_menu_shell_append(GTK_MENU_SHELL(menu), item); } else { /* Copy Link Location */ img = gtk_image_new_from_stock(GTK_STOCK_COPY, GTK_ICON_SIZE_MENU); item = gtk_image_menu_item_new_with_mnemonic( _("_Copy Link Location")); gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item), img); g_signal_connect(G_OBJECT(item), "activate", G_CALLBACK(url_copy), tempdata->url); gtk_menu_shell_append(GTK_MENU_SHELL(menu), item); /* Open Link in Browser */ img = gtk_image_new_from_stock(GTK_STOCK_JUMP_TO, GTK_ICON_SIZE_MENU); item = gtk_image_menu_item_new_with_mnemonic( _("_Open Link in Browser")); gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item), img); g_signal_connect(G_OBJECT(item), "activate", G_CALLBACK(url_open), tempdata); gtk_menu_shell_append(GTK_MENU_SHELL(menu), item); } gtk_widget_show_all(menu); gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, event_button->button, event_button->time); return TRUE; } } if(event->type == GDK_BUTTON_PRESS && event_button->button == 3) return TRUE; /* Clicking the right mouse button on a link shouldn't be caught by the regular GtkTextView menu */ else return FALSE; /* Let clicks go through if we didn't catch anything */ } static gboolean gtk_text_view_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time) { GdkDragAction suggested_action = 0; if (gtk_drag_dest_find_target (widget, context, gtk_drag_dest_get_target_list (widget)) == GDK_NONE) { /* can't accept any of the offered targets */ } else { GtkWidget *source_widget; suggested_action = context->suggested_action; source_widget = gtk_drag_get_source_widget (context); if (source_widget == widget) { /* Default to MOVE, unless the user has * pressed ctrl or alt to affect available actions */ if ((context->actions & GDK_ACTION_MOVE) != 0) suggested_action = GDK_ACTION_MOVE; } } if (suggested_action != 0) { gdk_drag_status (context, suggested_action, time); } else { gdk_drag_status (context, 0, time); } /* TRUE return means don't propagate the drag motion to parent * widgets that may also be drop sites. */ return TRUE; } static void gtk_imhtml_link_drop_cb(GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time, gpointer user_data) { GdkAtom target = gtk_drag_dest_find_target (widget, context, NULL); if (target != GDK_NONE) gtk_drag_get_data (widget, context, target, time); else gtk_drag_finish (context, FALSE, FALSE, time); return; } static void gtk_imhtml_link_drag_rcv_cb(GtkWidget *widget, GdkDragContext *dc, guint x, guint y, GtkSelectionData *sd, guint info, guint t, GtkIMHtml *imhtml) { gchar **links; gchar *link; char *text = sd->data; GtkTextMark *mark = gtk_text_buffer_get_insert(imhtml->text_buffer); GtkTextIter iter; gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &iter, mark); if(gtk_imhtml_get_editable(imhtml) && sd->data){ switch (info) { case DRAG_URL: gaim_str_strip_cr(sd->data); links = g_strsplit(sd->data, "\n", 0); while((link = *links++) != NULL){ if(gaim_str_has_prefix(link, "http://") || gaim_str_has_prefix(link, "https://") || gaim_str_has_prefix(link, "ftp://")){ gtk_imhtml_insert_link(imhtml, mark, link, link); } else if (link=='\0') { /* Ignore blank lines */ } else { /* Special reasons, aka images being put in via other tag, etc. */ } } break; case DRAG_HTML: if (sd->length >= 2 && (*(guint16 *)text == 0xfeff || *(guint16 *)text == 0xfffe)) { /* This is UCS-2 */ char *tmp; char *utf8 = g_convert(text, sd->length, "UTF-8", "UCS-2", NULL, NULL, NULL); g_free(text); text = utf8; if (!text) { gaim_debug_warning("gtkimhtml", "g_convert from UCS-2 failed in drag_rcv_cb\n"); return; } tmp = g_utf8_next_char(text); memmove(text, tmp, strlen(tmp) + 1); } if (!(*text) || !g_utf8_validate(text, -1, NULL)) { gaim_debug_warning("gtkimhtml", "empty string or invalid UTF-8 in drag_rcv_cb\n"); g_free(text); return; } gtk_imhtml_insert_html_at_iter(imhtml, text, 0, &iter); break; default: break; } gtk_drag_finish(dc, TRUE, (dc->action == GDK_ACTION_MOVE), t); } else { gtk_drag_finish(dc, FALSE, FALSE, t); } } /* this isn't used yet static void gtk_smiley_tree_remove (GtkSmileyTree *tree, GtkIMHtmlSmiley *smiley) { GtkSmileyTree *t = tree; const gchar *x = smiley->smile; gint len = 0; while (*x) { gchar *pos; if (!t->values) return; pos = strchr (t->values->str, *x); if (pos) t = t->children [(int) pos - (int) t->values->str]; else return; x++; len++; } if (t->image) { t->image = NULL; } } */ static gint gtk_smiley_tree_lookup (GtkSmileyTree *tree, const gchar *text) { GtkSmileyTree *t = tree; const gchar *x = text; gint len = 0; gchar *amp; gint alen; while (*x) { gchar *pos; if (!t->values) break; if(*x == '&' && gtk_imhtml_is_amp_escape(x, &, &alen)) { len += alen - strlen(amp); x += alen - strlen(amp); pos = strchr (t->values->str, *amp); } else if (*x == '<') /* Because we're all WYSIWYG now, a '<' * char should only appear as the start of a tag. Perhaps a safer (but costlier) * check would be to call gtk_imhtml_is_tag on it */ return 0; else pos = strchr (t->values->str, *x); if (pos) t = t->children [GPOINTER_TO_INT(pos) - GPOINTER_TO_INT(t->values->str)]; else break; x++; len++; } if (t->image) return len; return 0; } void gtk_imhtml_associate_smiley (GtkIMHtml *imhtml, gchar *sml, GtkIMHtmlSmiley *smiley) { GtkSmileyTree *tree; g_return_if_fail (imhtml != NULL); g_return_if_fail (GTK_IS_IMHTML (imhtml)); if (sml == NULL) tree = imhtml->default_smilies; else if ((tree = g_hash_table_lookup(imhtml->smiley_data, sml))) { } else { tree = gtk_smiley_tree_new(); g_hash_table_insert(imhtml->smiley_data, g_strdup(sml), tree); } gtk_smiley_tree_insert (tree, smiley); } static gboolean gtk_imhtml_is_smiley (GtkIMHtml *imhtml, GSList *fonts, const gchar *text, gint *len) { GtkSmileyTree *tree; GtkIMHtmlFontDetail *font; char *sml = NULL; if (fonts) { font = fonts->data; sml = font->sml; } if (!sml) sml = imhtml->protocol_name; if (!sml || !(tree = g_hash_table_lookup(imhtml->smiley_data, sml))) tree = imhtml->default_smilies; if (tree == NULL) return FALSE; *len = gtk_smiley_tree_lookup (tree, text); return (*len > 0); } GdkPixbufAnimation * gtk_smiley_tree_image (GtkIMHtml *imhtml, const gchar *sml, const gchar *text) { GtkSmileyTree *t; const gchar *x = text; if (sml == NULL) t = imhtml->default_smilies; else t = g_hash_table_lookup(imhtml->smiley_data, sml); if (t == NULL) return sml ? gtk_smiley_tree_image(imhtml, NULL, text) : NULL; while (*x) { gchar *pos; if (!t->values) { return sml ? gtk_smiley_tree_image(imhtml, NULL, text) : NULL; } pos = strchr (t->values->str, *x); if (pos) { t = t->children [GPOINTER_TO_INT(pos) - GPOINTER_TO_INT(t->values->str)]; } else { return sml ? gtk_smiley_tree_image(imhtml, NULL, text) : NULL; } x++; } if (!t->image->file) return NULL; if (!t->image->icon) t->image->icon = gdk_pixbuf_animation_new_from_file(t->image->file, NULL); return t->image->icon; } #define VALID_TAG(x) if (!g_ascii_strncasecmp (string, x ">", strlen (x ">"))) { \ *tag = g_strndup (string, strlen (x)); \ *len = strlen (x) + 1; \ return TRUE; \ } \ (*type)++ #define VALID_OPT_TAG(x) if (!g_ascii_strncasecmp (string, x " ", strlen (x " "))) { \ const gchar *c = string + strlen (x " "); \ gchar e = '"'; \ gboolean quote = FALSE; \ while (*c) { \ if (*c == '"' || *c == '\'') { \ if (quote && (*c == e)) \ quote = !quote; \ else if (!quote) { \ quote = !quote; \ e = *c; \ } \ } else if (!quote && (*c == '>')) \ break; \ c++; \ } \ if (*c) { \ *tag = g_strndup (string, c - string); \ *len = c - string + 1; \ return TRUE; \ } \ } \ (*type)++ static gboolean gtk_imhtml_is_amp_escape (const gchar *string, gchar **replace, gint *length) { static char buf[7]; g_return_val_if_fail (string != NULL, FALSE); g_return_val_if_fail (replace != NULL, FALSE); g_return_val_if_fail (length != NULL, FALSE); if (!g_ascii_strncasecmp (string, "&", 5)) { *replace = "&"; *length = 5; } else if (!g_ascii_strncasecmp (string, "<", 4)) { *replace = "<"; *length = 4; } else if (!g_ascii_strncasecmp (string, ">", 4)) { *replace = ">"; *length = 4; } else if (!g_ascii_strncasecmp (string, " ", 6)) { *replace = " "; *length = 6; } else if (!g_ascii_strncasecmp (string, "©", 6)) { *replace = "©"; *length = 6; } else if (!g_ascii_strncasecmp (string, """, 6)) { *replace = "\""; *length = 6; } else if (!g_ascii_strncasecmp (string, "®", 5)) { *replace = "®"; *length = 5; } else if (!g_ascii_strncasecmp (string, "'", 6)) { *replace = "\'"; *length = 6; } else if (*(string + 1) == '#') { guint pound = 0; if ((sscanf (string, "&#%u;", £) == 1) && pound != 0) { int buflen; if (*(string + 3 + (gint)log10 (pound)) != ';') return FALSE; buflen = g_unichar_to_utf8((gunichar)pound, buf); buf[buflen] = '\0'; *replace = buf; *length = 2; while (isdigit ((gint) string [*length])) (*length)++; if (string [*length] == ';') (*length)++; } else { return FALSE; } } else { return FALSE; } return TRUE; } static gboolean gtk_imhtml_is_tag (const gchar *string, gchar **tag, gint *len, gint *type) { char *close; *type = 1; if (!(close = strchr (string, '>'))) return FALSE; VALID_TAG ("B"); VALID_TAG ("BOLD"); VALID_TAG ("/B"); VALID_TAG ("/BOLD"); VALID_TAG ("I"); VALID_TAG ("ITALIC"); VALID_TAG ("/I"); VALID_TAG ("/ITALIC"); VALID_TAG ("U"); VALID_TAG ("UNDERLINE"); VALID_TAG ("/U"); VALID_TAG ("/UNDERLINE"); VALID_TAG ("S"); VALID_TAG ("STRIKE"); VALID_TAG ("/S"); VALID_TAG ("/STRIKE"); VALID_TAG ("SUB"); VALID_TAG ("/SUB"); VALID_TAG ("SUP"); VALID_TAG ("/SUP"); VALID_TAG ("PRE"); VALID_TAG ("/PRE"); VALID_TAG ("TITLE"); VALID_TAG ("/TITLE"); VALID_TAG ("BR"); VALID_TAG ("HR"); VALID_TAG ("/FONT"); VALID_TAG ("/A"); VALID_TAG ("P"); VALID_TAG ("/P"); VALID_TAG ("H3"); VALID_TAG ("/H3"); VALID_TAG ("HTML"); VALID_TAG ("/HTML"); VALID_TAG ("BODY"); VALID_TAG ("/BODY"); VALID_TAG ("FONT"); VALID_TAG ("HEAD"); VALID_TAG ("/HEAD"); VALID_TAG ("BINARY"); VALID_TAG ("/BINARY"); VALID_OPT_TAG ("HR"); VALID_OPT_TAG ("FONT"); VALID_OPT_TAG ("BODY"); VALID_OPT_TAG ("A"); VALID_OPT_TAG ("IMG"); VALID_OPT_TAG ("P"); VALID_OPT_TAG ("H3"); VALID_OPT_TAG ("HTML"); VALID_TAG ("CITE"); VALID_TAG ("/CITE"); VALID_TAG ("EM"); VALID_TAG ("/EM"); VALID_TAG ("STRONG"); VALID_TAG ("/STRONG"); VALID_OPT_TAG ("SPAN"); VALID_TAG ("/SPAN"); VALID_TAG ("BR/"); /* hack until gtkimhtml handles things better */ VALID_TAG ("IMG"); VALID_TAG("SPAN"); VALID_OPT_TAG("BR"); if (!g_ascii_strncasecmp(string, "!--", strlen ("!--"))) { gchar *e = strstr (string + strlen("!--"), "-->"); if (e) { *len = e - string + strlen ("-->"); *tag = g_strndup (string + strlen ("!--"), *len - strlen ("!---->")); return TRUE; } } *type = -1; *len = close - string + 1; *tag = g_strndup(string, *len - 1); return TRUE; } static gchar* gtk_imhtml_get_html_opt (gchar *tag, const gchar *opt) { gchar *t = tag; gchar *e, *a; gchar *val; gint len; gchar *c; GString *ret; while (g_ascii_strncasecmp (t, opt, strlen (opt))) { gboolean quote = FALSE; if (*t == '\0') break; while (*t && !((*t == ' ') && !quote)) { if (*t == '\"') quote = ! quote; t++; } while (*t && (*t == ' ')) t++; } if (!g_ascii_strncasecmp (t, opt, strlen (opt))) { t += strlen (opt); } else { return NULL; } if ((*t == '\"') || (*t == '\'')) { e = a = ++t; while (*e && (*e != *(t - 1))) e++; if (*e == '\0') { return NULL; } else val = g_strndup(a, e - a); } else { e = a = t; while (*e && !isspace ((gint) *e)) e++; val = g_strndup(a, e - a); } ret = g_string_new(""); e = val; while(*e) { if(gtk_imhtml_is_amp_escape(e, &c, &len)) { ret = g_string_append(ret, c); e += len; } else { ret = g_string_append_c(ret, *e); e++; } } g_free(val); return g_string_free(ret, FALSE); } /* Inline CSS Support - Douglas Thrift */ static gchar* gtk_imhtml_get_css_opt (gchar *style, const gchar *opt) { gchar *t = style; gchar *e, *a; gchar *val; gint len; gchar *c; GString *ret; while (g_ascii_strncasecmp (t, opt, strlen (opt))) { /* gboolean quote = FALSE; */ if (*t == '\0') break; while (*t && !((*t == ' ') /*&& !quote*/)) { /* if (*t == '\"') quote = ! quote; */ t++; } while (*t && (*t == ' ')) t++; } if (!g_ascii_strncasecmp (t, opt, strlen (opt))) { t += strlen (opt); } else { return NULL; } /* if ((*t == '\"') || (*t == '\'')) { e = a = ++t; while (*e && (*e != *(t - 1))) e++; if (*e == '\0') { return NULL; } else val = g_strndup(a, e - a); } else { e = a = t; while (*e && !isspace ((gint) *e)) e++; val = g_strndup(a, e - a); }*/ e = a = t; while (*e && *e != ';') e++; val = g_strndup(a, e - a); ret = g_string_new(""); e = val; while(*e) { if(gtk_imhtml_is_amp_escape(e, &c, &len)) { ret = g_string_append(ret, c); e += len; } else { ret = g_string_append_c(ret, *e); e++; } } g_free(val); val = ret->str; g_string_free(ret, FALSE); return val; } static const char *accepted_protocols[] = { "http://", "https://", "ftp://" }; static const int accepted_protocols_size = 3; /* returns if the beginning of the text is a protocol. If it is the protocol, returns the length so the caller knows how long the protocol string is. */ int gtk_imhtml_is_protocol(const char *text) { gint i; for(i=0; i marv: The two IM image functions in oscar are gaim_odc_send_im and gaim_odc_incoming [19:58] marv: images go into the imgstore, a refcounted... well.. hash. :) [19:59] marv: I think the image tag used by the core is something like [19:59] Ro0tSiEgE robert42 RobFlynn Robot101 ross22 roz [20:00] marv: Where the ID is the what is returned when you add the image to the imgstore using gaim_imgstore_add [20:00] Robot101: so how does the image get passed to serv_got_im() and serv_send_im()? just as the marv: Right [20:00] alright Here's my plan with IMImages. make gtk_imhtml_[append|insert]_text_with_images instead just gtkimhtml_[append|insert]_text (hrm maybe it should be called html instead of text), add a function for gaim to register for look up images, i.e. gtk_imhtml_set_get_img_fnc, so that images can be looked up like that, instead of passing a GSList of them. */ void gtk_imhtml_append_text_with_images (GtkIMHtml *imhtml, const gchar *text, GtkIMHtmlOptions options, GSList *unused) { GtkTextIter iter, ins, sel; GdkRectangle rect; int y, height, ins_offset = 0, sel_offset = 0; gboolean fixins = FALSE, fixsel = FALSE; g_return_if_fail (imhtml != NULL); g_return_if_fail (GTK_IS_IMHTML (imhtml)); g_return_if_fail (text != NULL); gtk_text_buffer_get_end_iter(imhtml->text_buffer, &iter); gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &ins, gtk_text_buffer_get_insert(imhtml->text_buffer)); if (gtk_text_iter_equal(&iter, &ins) && gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, NULL, NULL)) { fixins = TRUE; ins_offset = gtk_text_iter_get_offset(&ins); } gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &sel, gtk_text_buffer_get_selection_bound(imhtml->text_buffer)); if (gtk_text_iter_equal(&iter, &sel) && gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, NULL, NULL)) { fixsel = TRUE; sel_offset = gtk_text_iter_get_offset(&sel); } gtk_text_view_get_visible_rect(GTK_TEXT_VIEW(imhtml), &rect); gtk_text_view_get_line_yrange(GTK_TEXT_VIEW(imhtml), &iter, &y, &height); if(((y + height) - (rect.y + rect.height)) > height && gtk_text_buffer_get_char_count(imhtml->text_buffer)){ options |= GTK_IMHTML_NO_SCROLL; } gtk_imhtml_insert_html_at_iter(imhtml, text, options, &iter); if (fixins) { gtk_text_buffer_get_iter_at_offset(imhtml->text_buffer, &ins, ins_offset); gtk_text_buffer_move_mark(imhtml->text_buffer, gtk_text_buffer_get_insert(imhtml->text_buffer), &ins); } if (fixsel) { gtk_text_buffer_get_iter_at_offset(imhtml->text_buffer, &sel, sel_offset); gtk_text_buffer_move_mark(imhtml->text_buffer, gtk_text_buffer_get_selection_bound(imhtml->text_buffer), &sel); } if (!(options & GTK_IMHTML_NO_SCROLL)) { gtk_imhtml_scroll_to_end(imhtml); } } void gtk_imhtml_scroll_to_end(GtkIMHtml *imhtml) { GtkTextIter iter; /* If this seems backwards at first glance, well it's not. * It means scroll such that the mark is closest to the top, * and closest to the right as possible. Remember kids, you have * to scroll left to move a given spot closest to the right, * and scroll down to move a spot closest to the top. */ gtk_text_buffer_get_end_iter(imhtml->text_buffer, &iter); gtk_text_iter_set_line_offset(&iter, 0); gtk_text_buffer_move_mark(imhtml->text_buffer, imhtml->scrollpoint, &iter); gtk_text_view_scroll_to_mark(GTK_TEXT_VIEW(imhtml), imhtml->scrollpoint, 0, TRUE, 1.0, 0.0); } void gtk_imhtml_insert_html_at_iter(GtkIMHtml *imhtml, const gchar *text, GtkIMHtmlOptions options, GtkTextIter *iter) { GdkRectangle rect; gint pos = 0; gchar *ws; gchar *tag; gchar *bg = NULL; gint len; gint tlen, smilelen, wpos=0; gint type; const gchar *c; gchar *amp; gint len_protocol; guint bold = 0, italics = 0, underline = 0, strike = 0, sub = 0, sup = 0, title = 0, pre = 0; GSList *fonts = NULL; GObject *object; GtkIMHtmlScalable *scalable = NULL; g_return_if_fail (imhtml != NULL); g_return_if_fail (GTK_IS_IMHTML (imhtml)); g_return_if_fail (text != NULL); c = text; len = strlen(text); ws = g_malloc(len + 1); ws[0] = 0; while (pos < len) { if (*c == '<' && gtk_imhtml_is_tag (c + 1, &tag, &tlen, &type)) { c++; pos++; ws[wpos] = '\0'; switch (type) { case 1: /* B */ case 2: /* BOLD */ case 54: /* STRONG */ gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); if ((bold == 0) && (imhtml->format_functions & GTK_IMHTML_BOLD)) gtk_imhtml_toggle_bold(imhtml); bold++; ws[0] = '\0'; wpos = 0; break; case 3: /* /B */ case 4: /* /BOLD */ case 55: /* /STRONG */ gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; if (bold) bold--; if ((bold == 0) && (imhtml->format_functions & GTK_IMHTML_BOLD) && !imhtml->wbfo) gtk_imhtml_toggle_bold(imhtml); break; case 5: /* I */ case 6: /* ITALIC */ case 52: /* EM */ gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; if ((italics == 0) && (imhtml->format_functions & GTK_IMHTML_ITALIC)) gtk_imhtml_toggle_italic(imhtml); italics++; break; case 7: /* /I */ case 8: /* /ITALIC */ case 53: /* /EM */ gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; if (italics) italics--; if ((italics == 0) && (imhtml->format_functions & GTK_IMHTML_ITALIC) && !imhtml->wbfo) gtk_imhtml_toggle_italic(imhtml); break; case 9: /* U */ case 10: /* UNDERLINE */ gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; if ((underline == 0) && (imhtml->format_functions & GTK_IMHTML_UNDERLINE)) gtk_imhtml_toggle_underline(imhtml); underline++; break; case 11: /* /U */ case 12: /* /UNDERLINE */ gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; if (underline) underline--; if ((underline == 0) && (imhtml->format_functions & GTK_IMHTML_UNDERLINE) && !imhtml->wbfo) gtk_imhtml_toggle_underline(imhtml); break; case 13: /* S */ case 14: /* STRIKE */ /* FIXME: reimplement this */ strike++; break; case 15: /* /S */ case 16: /* /STRIKE */ /* FIXME: reimplement this */ if (strike) strike--; break; case 17: /* SUB */ /* FIXME: reimpliment this */ sub++; break; case 18: /* /SUB */ /* FIXME: reimpliment this */ if (sub) sub--; break; case 19: /* SUP */ /* FIXME: reimplement this */ sup++; break; case 20: /* /SUP */ /* FIXME: reimplement this */ if (sup) sup--; break; case 21: /* PRE */ /* FIXME: reimplement this */ pre++; break; case 22: /* /PRE */ /* FIXME: reimplement this */ if (pre) pre--; break; case 23: /* TITLE */ /* FIXME: what was this supposed to do anyway? */ title++; break; case 24: /* /TITLE */ /* FIXME: make this undo whatever 23 was supposed to do */ if (title) { if (options & GTK_IMHTML_NO_TITLE) { wpos = 0; ws [wpos] = '\0'; } title--; } break; case 25: /* BR */ case 58: /* BR/ */ case 61: /* BR (opt) */ ws[wpos] = '\n'; wpos++; break; case 26: /* HR */ case 42: /* HR (opt) */ { int minus; ws[wpos++] = '\n'; gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); scalable = gtk_imhtml_hr_new(); gtk_text_view_get_visible_rect(GTK_TEXT_VIEW(imhtml), &rect); scalable->add_to(scalable, imhtml, iter); minus = gtk_text_view_get_left_margin(GTK_TEXT_VIEW(imhtml)) + gtk_text_view_get_right_margin(GTK_TEXT_VIEW(imhtml)); scalable->scale(scalable, rect.width - minus, rect.height); imhtml->scalables = g_list_append(imhtml->scalables, scalable); ws[0] = '\0'; wpos = 0; ws[wpos++] = '\n'; break; } case 27: /* /FONT */ if (fonts && !imhtml->wbfo) { GtkIMHtmlFontDetail *font = fonts->data; gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; /* NEW_BIT (NEW_TEXT_BIT); */ if (font->face && (imhtml->format_functions & GTK_IMHTML_FACE)) { gtk_imhtml_toggle_fontface(imhtml, NULL); g_free (font->face); } if (font->fore && (imhtml->format_functions & GTK_IMHTML_FORECOLOR)) { gtk_imhtml_toggle_forecolor(imhtml, NULL); g_free (font->fore); } if (font->back && (imhtml->format_functions & GTK_IMHTML_BACKCOLOR)) { gtk_imhtml_toggle_backcolor(imhtml, NULL); g_free (font->back); } if (font->sml) g_free (font->sml); if ((font->size != 3) && (imhtml->format_functions & (GTK_IMHTML_GROW|GTK_IMHTML_SHRINK))) gtk_imhtml_font_set_size(imhtml, 3); g_free(font); fonts = fonts->next; if (fonts) { GtkIMHtmlFontDetail *font = fonts->data; if (font->face && (imhtml->format_functions & GTK_IMHTML_FACE)) gtk_imhtml_toggle_fontface(imhtml, font->face); if (font->fore && (imhtml->format_functions & GTK_IMHTML_FORECOLOR)) gtk_imhtml_toggle_forecolor(imhtml, font->fore); if (font->back && (imhtml->format_functions & GTK_IMHTML_BACKCOLOR)) gtk_imhtml_toggle_backcolor(imhtml, font->back); if ((font->size != 3) && (imhtml->format_functions & (GTK_IMHTML_GROW|GTK_IMHTML_SHRINK))) gtk_imhtml_font_set_size(imhtml, font->size); } } break; case 28: /* /A */ gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); gtk_imhtml_toggle_link(imhtml, NULL); ws[0] = '\0'; wpos = 0; break; case 29: /* P */ case 30: /* /P */ case 31: /* H3 */ case 32: /* /H3 */ case 33: /* HTML */ case 34: /* /HTML */ case 35: /* BODY */ case 36: /* /BODY */ case 37: /* FONT */ case 38: /* HEAD */ case 39: /* /HEAD */ case 40: /* BINARY */ case 41: /* /BINARY */ break; case 43: /* FONT (opt) */ { gchar *color, *back, *face, *size, *sml; GtkIMHtmlFontDetail *font, *oldfont = NULL; color = gtk_imhtml_get_html_opt (tag, "COLOR="); back = gtk_imhtml_get_html_opt (tag, "BACK="); face = gtk_imhtml_get_html_opt (tag, "FACE="); size = gtk_imhtml_get_html_opt (tag, "SIZE="); sml = gtk_imhtml_get_html_opt (tag, "SML="); if (!(color || back || face || size || sml)) break; gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; font = g_new0 (GtkIMHtmlFontDetail, 1); if (fonts) oldfont = fonts->data; if (color && !(options & GTK_IMHTML_NO_COLOURS) && (imhtml->format_functions & GTK_IMHTML_FORECOLOR)) { font->fore = color; gtk_imhtml_toggle_forecolor(imhtml, font->fore); } //else if (oldfont && oldfont->fore) // font->fore = g_strdup(oldfont->fore); if (back && !(options & GTK_IMHTML_NO_COLOURS) && (imhtml->format_functions & GTK_IMHTML_BACKCOLOR)) { font->back = back; gtk_imhtml_toggle_backcolor(imhtml, font->back); } //else if (oldfont && oldfont->back) // font->back = g_strdup(oldfont->back); if (face && !(options & GTK_IMHTML_NO_FONTS) && (imhtml->format_functions & GTK_IMHTML_FACE)) { font->face = face; gtk_imhtml_toggle_fontface(imhtml, font->face); } //else if (oldfont && oldfont->face) // font->face = g_strdup(oldfont->face); if (sml) font->sml = sml; else if (oldfont && oldfont->sml) font->sml = g_strdup(oldfont->sml); if (size && !(options & GTK_IMHTML_NO_SIZES) && (imhtml->format_functions & (GTK_IMHTML_GROW|GTK_IMHTML_SHRINK))) { if (*size == '+') { sscanf (size + 1, "%hd", &font->size); font->size += 3; } else if (*size == '-') { sscanf (size + 1, "%hd", &font->size); font->size = MAX (0, 3 - font->size); } else if (isdigit (*size)) { sscanf (size, "%hd", &font->size); } if (font->size > 100) font->size = 100; } else if (oldfont) font->size = oldfont->size; else font->size = 3; if ((imhtml->format_functions & (GTK_IMHTML_GROW|GTK_IMHTML_SHRINK))) gtk_imhtml_font_set_size(imhtml, font->size); g_free(size); fonts = g_slist_prepend (fonts, font); } break; case 44: /* BODY (opt) */ if (!(options & GTK_IMHTML_NO_COLOURS)) { char *bgcolor = gtk_imhtml_get_html_opt (tag, "BGCOLOR="); if (bgcolor && (imhtml->format_functions & GTK_IMHTML_BACKCOLOR)) { gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; /* NEW_BIT(NEW_TEXT_BIT); */ if (bg) g_free(bg); bg = bgcolor; gtk_imhtml_toggle_backcolor(imhtml, bg); } } break; case 45: /* A (opt) */ { gchar *href = gtk_imhtml_get_html_opt (tag, "HREF="); if (href && (imhtml->format_functions & GTK_IMHTML_LINK)) { gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; gtk_imhtml_toggle_link(imhtml, href); } } break; case 46: /* IMG (opt) */ case 59: /* IMG */ { const char *id; gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; if (!(imhtml->format_functions & GTK_IMHTML_IMAGE)) break; id = gtk_imhtml_get_html_opt(tag, "ID="); if (!id) break; gtk_imhtml_insert_image_at_iter(imhtml, atoi(id), iter); break; } case 47: /* P (opt) */ case 48: /* H3 (opt) */ case 49: /* HTML (opt) */ case 50: /* CITE */ case 51: /* /CITE */ case 56: /* SPAN (opt) */ /* Inline CSS Support - Douglas Thrift * * color * background * font-family * font-size * text-decoration: underline */ { gchar *style, *color, *background, *family, *size; gchar *textdec; GtkIMHtmlFontDetail *font, *oldfont = NULL; style = gtk_imhtml_get_html_opt (tag, "style="); if (!style) break; color = gtk_imhtml_get_css_opt (style, "color: "); background = gtk_imhtml_get_css_opt (style, "background: "); family = gtk_imhtml_get_css_opt (style, "font-family: "); size = gtk_imhtml_get_css_opt (style, "font-size: "); textdec = gtk_imhtml_get_css_opt (style, "text-decoration: "); if (!(color || family || size || background || textdec)) { g_free(style); break; } gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; /* NEW_BIT (NEW_TEXT_BIT); */ font = g_new0 (GtkIMHtmlFontDetail, 1); if (fonts) oldfont = fonts->data; if (color && !(options & GTK_IMHTML_NO_COLOURS) && (imhtml->format_functions & GTK_IMHTML_FORECOLOR)) { font->fore = color; gtk_imhtml_toggle_forecolor(imhtml, font->fore); } else if (oldfont && oldfont->fore) font->fore = g_strdup(oldfont->fore); if (background && !(options & GTK_IMHTML_NO_COLOURS) && (imhtml->format_functions & GTK_IMHTML_BACKCOLOR)) { font->back = background; gtk_imhtml_toggle_backcolor(imhtml, font->back); } else if (oldfont && oldfont->back) font->back = g_strdup(oldfont->back); if (family && !(options & GTK_IMHTML_NO_FONTS) && (imhtml->format_functions & GTK_IMHTML_FACE)) { font->face = family; gtk_imhtml_toggle_fontface(imhtml, font->face); } else if (oldfont && oldfont->face) font->face = g_strdup(oldfont->face); if (font->face && (atoi(font->face) > 100)) { /* WTF is this? */ g_free(font->face); font->face = g_strdup("100"); } if (oldfont && oldfont->sml) font->sml = g_strdup(oldfont->sml); if (size && !(options & GTK_IMHTML_NO_SIZES) && (imhtml->format_functions & (GTK_IMHTML_SHRINK|GTK_IMHTML_GROW))) { if (g_ascii_strcasecmp(size, "xx-small") == 0) font->size = 1; else if (g_ascii_strcasecmp(size, "smaller") == 0 || g_ascii_strcasecmp(size, "x-small") == 0) font->size = 2; else if (g_ascii_strcasecmp(size, "larger") == 0 || g_ascii_strcasecmp(size, "medium") == 0) font->size = 4; else if (g_ascii_strcasecmp(size, "large") == 0) font->size = 5; else if (g_ascii_strcasecmp(size, "x-large") == 0) font->size = 6; else if (g_ascii_strcasecmp(size, "xx-large") == 0) font->size = 7; else font->size = 3; gtk_imhtml_font_set_size(imhtml, font->size); } else if (oldfont) { font->size = oldfont->size; } if (oldfont) { font->underline = oldfont->underline; } if (textdec && font->underline != 1 && g_ascii_strcasecmp(textdec, "underline") == 0 && (imhtml->format_functions & GTK_IMHTML_UNDERLINE)) { gtk_imhtml_toggle_underline(imhtml); font->underline = 1; } g_free(style); g_free(size); fonts = g_slist_prepend (fonts, font); } break; case 57: /* /SPAN */ /* Inline CSS Support - Douglas Thrift */ if (fonts && !imhtml->wbfo) { GtkIMHtmlFontDetail *oldfont = NULL; GtkIMHtmlFontDetail *font = fonts->data; gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; /* NEW_BIT (NEW_TEXT_BIT); */ fonts = g_slist_remove (fonts, font); if (fonts) oldfont = fonts->data; if (!oldfont) { gtk_imhtml_font_set_size(imhtml, 3); if (font->underline) gtk_imhtml_toggle_underline(imhtml); gtk_imhtml_toggle_fontface(imhtml, NULL); gtk_imhtml_toggle_forecolor(imhtml, NULL); gtk_imhtml_toggle_backcolor(imhtml, NULL); } else { if (font->size != oldfont->size) gtk_imhtml_font_set_size(imhtml, oldfont->size); if (font->underline != oldfont->underline) gtk_imhtml_toggle_underline(imhtml); if (font->face && (!oldfont->face || strcmp(font->face, oldfont->face) != 0)) gtk_imhtml_toggle_fontface(imhtml, oldfont->face); if (font->fore && (!oldfont->fore || strcmp(font->fore, oldfont->fore) != 0)) gtk_imhtml_toggle_forecolor(imhtml, oldfont->fore); if (font->back && (!oldfont->back || strcmp(font->back, oldfont->back) != 0)) gtk_imhtml_toggle_backcolor(imhtml, oldfont->back); } g_free (font->face); g_free (font->fore); g_free (font->back); g_free (font->sml); g_free (font); } break; case 60: /* SPAN */ break; case 62: /* comment */ /* NEW_BIT (NEW_TEXT_BIT); */ ws[wpos] = '\0'; gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); if (imhtml->show_comments && !(options & GTK_IMHTML_NO_COMMENTS)) wpos = g_snprintf (ws, len, "%s", tag); /* NEW_BIT (NEW_COMMENT_BIT); */ break; default: break; } c += tlen; pos += tlen; if(tag) g_free(tag); /* This was allocated back in VALID_TAG() */ } else if (gtk_imhtml_is_smiley(imhtml, fonts, c, &smilelen)) { GtkIMHtmlFontDetail *fd; gchar *sml = NULL; if (fonts) { fd = fonts->data; sml = fd->sml; } if (!sml) sml = imhtml->protocol_name; gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); wpos = g_snprintf (ws, smilelen + 1, "%s", c); gtk_imhtml_insert_smiley_at_iter(imhtml, sml, ws, iter); c += smilelen; pos += smilelen; wpos = 0; ws[0] = 0; } else if (*c == '&' && gtk_imhtml_is_amp_escape (c, &, &tlen)) { while(*amp) { ws [wpos++] = *amp++; } c += tlen; pos += tlen; } else if (*c == '\n') { if (!(options & GTK_IMHTML_NO_NEWLINE)) { ws[wpos] = '\n'; wpos++; gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; /* NEW_BIT (NEW_TEXT_BIT); */ } else { /* A newline is defined by HTML as whitespace, which means we have to replace it with a word boundary. * word breaks vary depending on the language used, so the correct thing to do is to use Pango to determine * what language this is, determine the proper word boundary to use, and insert that. I'm just going to insert * a space instead. What are the non-English speakers going to do? Complain in a language I'll understand? * Bu-wahaha! */ ws[wpos] = ' '; wpos++; gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; } c++; pos++; } else if ((len_protocol = gtk_imhtml_is_protocol(c)) > 0){ while(len_protocol--){ /* Skip the next len_protocol characters, but make sure they're copied into the ws array. */ ws [wpos++] = *c++; pos++; } } else if (*c) { ws [wpos++] = *c++; pos++; } else { break; } } gtk_text_buffer_insert(imhtml->text_buffer, iter, ws, wpos); ws[0] = '\0'; wpos = 0; /* NEW_BIT(NEW_TEXT_BIT); */ while (fonts) { GtkIMHtmlFontDetail *font = fonts->data; fonts = g_slist_remove (fonts, font); if (font->face) g_free (font->face); if (font->fore) g_free (font->fore); if (font->back) g_free (font->back); if (font->sml) g_free (font->sml); g_free (font); } g_free(ws); if (bg) g_free(bg); if (!imhtml->wbfo) gtk_imhtml_close_tags(imhtml, iter); object = g_object_ref(G_OBJECT(imhtml)); g_signal_emit(object, signals[UPDATE_FORMAT], 0); g_object_unref(object); } void gtk_imhtml_remove_smileys(GtkIMHtml *imhtml) { g_hash_table_destroy(imhtml->smiley_data); gtk_smiley_tree_destroy(imhtml->default_smilies); imhtml->smiley_data = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, (GDestroyNotify)gtk_smiley_tree_destroy); imhtml->default_smilies = gtk_smiley_tree_new(); } void gtk_imhtml_show_comments (GtkIMHtml *imhtml, gboolean show) { imhtml->show_comments = show; } void gtk_imhtml_html_shortcuts (GtkIMHtml *imhtml, gboolean allow) { imhtml->html_shortcuts = allow; } void gtk_imhtml_smiley_shortcuts (GtkIMHtml *imhtml, gboolean allow) { imhtml->smiley_shortcuts = allow; } void gtk_imhtml_set_protocol_name(GtkIMHtml *imhtml, const gchar *protocol_name) { if (imhtml->protocol_name) g_free(imhtml->protocol_name); imhtml->protocol_name = protocol_name ? g_strdup(protocol_name) : NULL; } void gtk_imhtml_clear (GtkIMHtml *imhtml) { GList *del; GtkTextIter start, end; GObject *object = g_object_ref(G_OBJECT(imhtml)); gtk_text_buffer_get_start_iter(imhtml->text_buffer, &start); gtk_text_buffer_get_end_iter(imhtml->text_buffer, &end); gtk_text_buffer_delete(imhtml->text_buffer, &start, &end); for(del = imhtml->scalables; del; del = del->next) { GtkIMHtmlScalable *scale = del->data; scale->free(scale); } g_list_free(imhtml->scalables); imhtml->scalables = NULL; gtk_imhtml_close_tags(imhtml, &start); g_signal_emit(object, signals[CLEAR_FORMAT], 0); g_object_unref(object); } void gtk_imhtml_page_up (GtkIMHtml *imhtml) { GdkRectangle rect; GtkTextIter iter; gtk_text_view_get_visible_rect(GTK_TEXT_VIEW(imhtml), &rect); gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(imhtml), &iter, rect.x, rect.y - rect.height); gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(imhtml), &iter, 0, TRUE, 0, 0); } void gtk_imhtml_page_down (GtkIMHtml *imhtml) { GdkRectangle rect; GtkTextIter iter; gtk_text_view_get_visible_rect(GTK_TEXT_VIEW(imhtml), &rect); gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(imhtml), &iter, rect.x, rect.y + rect.height); gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(imhtml), &iter, 0, TRUE, 0, 0); } /* GtkIMHtmlScalable, gtk_imhtml_image, gtk_imhtml_hr */ GtkIMHtmlScalable *gtk_imhtml_image_new(GdkPixbuf *img, const gchar *filename, int id) { GtkIMHtmlImage *im_image = g_malloc(sizeof(GtkIMHtmlImage)); GtkImage *image = GTK_IMAGE(gtk_image_new_from_pixbuf(img)); GTK_IMHTML_SCALABLE(im_image)->scale = gtk_imhtml_image_scale; GTK_IMHTML_SCALABLE(im_image)->add_to = gtk_imhtml_image_add_to; GTK_IMHTML_SCALABLE(im_image)->free = gtk_imhtml_image_free; im_image->pixbuf = img; im_image->image = image; im_image->width = gdk_pixbuf_get_width(img); im_image->height = gdk_pixbuf_get_height(img); im_image->mark = NULL; im_image->filename = filename ? g_strdup(filename) : NULL; im_image->id = id; im_image->filesel = NULL; g_object_ref(img); return GTK_IMHTML_SCALABLE(im_image); } void gtk_imhtml_image_scale(GtkIMHtmlScalable *scale, int width, int height) { GtkIMHtmlImage *image = (GtkIMHtmlImage *)scale; if(image->width > width || image->height > height){ GdkPixbuf *new_image = NULL; float factor; int new_width = image->width, new_height = image->height; if(image->width > (width - 2)){ factor = (float)(width)/image->width; new_width = width; new_height = image->height * factor; } if(new_height >= (height - 2)){ factor = (float)(height)/new_height; new_height = height; new_width = new_width * factor; } new_image = gdk_pixbuf_scale_simple(image->pixbuf, new_width, new_height, GDK_INTERP_BILINEAR); gtk_image_set_from_pixbuf(image->image, new_image); g_object_unref(G_OBJECT(new_image)); } } static void image_save_yes_cb(GtkIMHtmlImage *image, const char *filename) { gchar *type = NULL; GError *error = NULL; #if GTK_CHECK_VERSION(2,2,0) GSList *formats = gdk_pixbuf_get_formats(); #else GtkIMHtmlImage *image = g_object_get_data(G_OBJECT(sel), "GtkIMHtmlImage"); char *basename = g_path_get_basename(filename); char *ext = strrchr(basename, '.'); #endif gtk_widget_destroy(image->filesel); image->filesel = NULL; #if GTK_CHECK_VERSION(2,2,0) while (formats) { GdkPixbufFormat *format = formats->data; gchar **extensions = gdk_pixbuf_format_get_extensions(format); gpointer p = extensions; while(gdk_pixbuf_format_is_writable(format) && extensions && extensions[0]){ gchar *fmt_ext = extensions[0]; const gchar* file_ext = filename + strlen(filename) - strlen(fmt_ext); if(!strcmp(fmt_ext, file_ext)){ type = gdk_pixbuf_format_get_name(format); break; } extensions++; } g_strfreev(p); if (type) break; formats = formats->next; } g_slist_free(formats); #else /* this is really ugly code, but I think it will work */ if (ext) { ext++; if (!g_ascii_strcasecmp(ext, "jpeg") || !g_ascii_strcasecmp(ext, "jpg")) type = g_strdup("jpeg"); else if (!g_ascii_strcasecmp(ext, "png")) type = g_strdup("png"); } g_free(basename); #endif /* If I can't find a valid type, I will just tell the user about it and then assume it's a png */ if (!type){ gtk_message_dialog_new(NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, _("Unable to guess the image type based on the file extension supplied. Defaulting to PNG.")); type = g_strdup("png"); } gdk_pixbuf_save(image->pixbuf, filename, type, &error, NULL); if (error){ gtk_message_dialog_new(NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, _("Error saving image: %s"), error->message); g_error_free(error); } g_free(type); } #if GTK_CHECK_VERSION(2,4,0) /* FILECHOOSER */ static void image_save_check_if_exists_cb(GtkWidget *widget, gint response, GtkIMHtmlImage *image) { gchar *filename; if (response != GTK_RESPONSE_ACCEPT) { gtk_widget_destroy(widget); image->filesel = NULL; return; } filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget)); #else /* FILECHOOSER */ static void image_save_check_if_exists_cb(GtkWidget *button, GtkIMHtmlImage *image) { gchar *filename; filename = g_strdup(gtk_file_selection_get_filename(GTK_FILE_SELECTION(image->filesel))); if (g_file_test(filename, G_FILE_TEST_IS_DIR)) { gchar *dirname; /* append a / is needed */ if (filename[strlen(filename) - 1] != G_DIR_SEPARATOR) { dirname = g_strconcat(filename, G_DIR_SEPARATOR_S, NULL); } else { dirname = g_strdup(filename); } gtk_file_selection_set_filename(GTK_FILE_SELECTION(image->filesel), dirname); g_free(dirname); g_free(filename); return; } #endif /* FILECHOOSER */ /* * XXX - We should probably prompt the user to determine if they really * want to overwrite the file or not. However, I don't feel like doing * that, so we're just always going to overwrite if the file exists. */ /* if (g_file_test(filename, G_FILE_TEST_EXISTS)) { } else image_save_yes_cb(image, filename); */ image_save_yes_cb(image, filename); g_free(filename); } #if !GTK_CHECK_VERSION(2,4,0) /* FILECHOOSER */ static void image_save_cancel_cb(GtkIMHtmlImage *image) { gtk_widget_destroy(image->filesel); image->filesel = NULL; } #endif /* FILECHOOSER */ static void gtk_imhtml_image_save(GtkWidget *w, GtkIMHtmlImage *image) { if (image->filesel != NULL) { gtk_window_present(GTK_WINDOW(image->filesel)); return; } #if GTK_CHECK_VERSION(2,4,0) /* FILECHOOSER */ image->filesel = gtk_file_chooser_dialog_new(_("Save Image"), NULL, GTK_FILE_CHOOSER_ACTION_SAVE, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT, NULL); gtk_dialog_set_default_response(GTK_DIALOG(image->filesel), GTK_RESPONSE_ACCEPT); if (image->filename != NULL) gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(image->filesel), image->filename); g_signal_connect(G_OBJECT(GTK_FILE_CHOOSER(image->filesel)), "response", G_CALLBACK(image_save_check_if_exists_cb), image); #else /* FILECHOOSER */ image->filesel = gtk_file_selection_new(_("Save Image")); if (image->filename != NULL) gtk_file_selection_set_filename(GTK_FILE_SELECTION(image->filesel), image->filename); g_signal_connect_swapped(G_OBJECT(GTK_FILE_SELECTION(image->filesel)), "delete_event", G_CALLBACK(image_save_cancel_cb), image); g_signal_connect_swapped(G_OBJECT(GTK_FILE_SELECTION(image->filesel)->cancel_button), "clicked", G_CALLBACK(image_save_cancel_cb), image); g_signal_connect(G_OBJECT(GTK_FILE_SELECTION(image->filesel)->ok_button), "clicked", G_CALLBACK(image_save_check_if_exists_cb), image); #endif /* FILECHOOSER */ gtk_widget_show(image->filesel); } static gboolean gtk_imhtml_image_clicked(GtkWidget *w, GdkEvent *event, GtkIMHtmlImage *image) { GdkEventButton *event_button = (GdkEventButton *) event; if (event->type == GDK_BUTTON_RELEASE) { if(event_button->button == 3) { GtkWidget *img, *item, *menu; gchar *text = g_strdup_printf(_("_Save Image...")); menu = gtk_menu_new(); /* buttons and such */ img = gtk_image_new_from_stock(GTK_STOCK_SAVE, GTK_ICON_SIZE_MENU); item = gtk_image_menu_item_new_with_mnemonic(text); gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item), img); g_signal_connect(G_OBJECT(item), "activate", G_CALLBACK(gtk_imhtml_image_save), image); gtk_menu_shell_append(GTK_MENU_SHELL(menu), item); gtk_widget_show_all(menu); gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, event_button->button, event_button->time); g_free(text); return TRUE; } } if(event->type == GDK_BUTTON_PRESS && event_button->button == 3) return TRUE; /* Clicking the right mouse button on a link shouldn't be caught by the regular GtkTextView menu */ else return FALSE; /* Let clicks go through if we didn't catch anything */ } void gtk_imhtml_image_free(GtkIMHtmlScalable *scale) { GtkIMHtmlImage *image = (GtkIMHtmlImage *)scale; g_object_unref(image->pixbuf); if (image->filename) g_free(image->filename); if (image->filesel) gtk_widget_destroy(image->filesel); g_free(scale); } void gtk_imhtml_image_add_to(GtkIMHtmlScalable *scale, GtkIMHtml *imhtml, GtkTextIter *iter) { GtkIMHtmlImage *image = (GtkIMHtmlImage *)scale; GtkWidget *box = gtk_event_box_new(); char *tag; GtkTextChildAnchor *anchor = gtk_text_buffer_create_child_anchor(imhtml->text_buffer, iter); gtk_container_add(GTK_CONTAINER(box), GTK_WIDGET(image->image)); if(!gtk_check_version(2, 4, 0)) g_object_set(G_OBJECT(box), "visible-window", FALSE, NULL); gtk_widget_show(GTK_WIDGET(image->image)); gtk_widget_show(box); tag = g_strdup_printf("", image->id); g_object_set_data_full(G_OBJECT(anchor), "gtkimhtml_htmltext", tag, g_free); g_object_set_data(G_OBJECT(anchor), "gtkimhtml_plaintext", "[Image]"); gtk_text_view_add_child_at_anchor(GTK_TEXT_VIEW(imhtml), box, anchor); g_signal_connect(G_OBJECT(box), "event", G_CALLBACK(gtk_imhtml_image_clicked), image); } GtkIMHtmlScalable *gtk_imhtml_hr_new() { GtkIMHtmlHr *hr = g_malloc(sizeof(GtkIMHtmlHr)); GTK_IMHTML_SCALABLE(hr)->scale = gtk_imhtml_hr_scale; GTK_IMHTML_SCALABLE(hr)->add_to = gtk_imhtml_hr_add_to; GTK_IMHTML_SCALABLE(hr)->free = gtk_imhtml_hr_free; hr->sep = gtk_hseparator_new(); gtk_widget_set_size_request(hr->sep, 5000, 2); gtk_widget_show(hr->sep); return GTK_IMHTML_SCALABLE(hr); } void gtk_imhtml_hr_scale(GtkIMHtmlScalable *scale, int width, int height) { gtk_widget_set_size_request(((GtkIMHtmlHr *)scale)->sep, width - 2, 2); } void gtk_imhtml_hr_add_to(GtkIMHtmlScalable *scale, GtkIMHtml *imhtml, GtkTextIter *iter) { GtkIMHtmlHr *hr = (GtkIMHtmlHr *)scale; GtkTextChildAnchor *anchor = gtk_text_buffer_create_child_anchor(imhtml->text_buffer, iter); g_object_set_data(G_OBJECT(anchor), "gtkimhtml_htmltext", "
"); g_object_set_data(G_OBJECT(anchor), "gtkimhtml_plaintext", "\n---\n"); gtk_text_view_add_child_at_anchor(GTK_TEXT_VIEW(imhtml), hr->sep, anchor); } void gtk_imhtml_hr_free(GtkIMHtmlScalable *scale) { g_free(scale); } gboolean gtk_imhtml_search_find(GtkIMHtml *imhtml, const gchar *text) { GtkTextIter iter, start, end; gboolean new_search = TRUE; g_return_val_if_fail(imhtml != NULL, FALSE); g_return_val_if_fail(text != NULL, FALSE); if (imhtml->search_string && !strcmp(text, imhtml->search_string)) new_search = FALSE; if (new_search) { gtk_imhtml_search_clear(imhtml); gtk_text_buffer_get_start_iter(imhtml->text_buffer, &iter); } else { gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &iter, gtk_text_buffer_get_mark(imhtml->text_buffer, "search")); } imhtml->search_string = g_strdup(text); if (gtk_source_iter_forward_search(&iter, imhtml->search_string, GTK_SOURCE_SEARCH_VISIBLE_ONLY | GTK_SOURCE_SEARCH_CASE_INSENSITIVE, &start, &end, NULL)) { gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(imhtml), &start, 0, TRUE, 0, 0); gtk_text_buffer_create_mark(imhtml->text_buffer, "search", &end, FALSE); if (new_search) { gtk_text_buffer_remove_tag_by_name(imhtml->text_buffer, "search", &iter, &end); do gtk_text_buffer_apply_tag_by_name(imhtml->text_buffer, "search", &start, &end); while (gtk_source_iter_forward_search(&end, imhtml->search_string, GTK_SOURCE_SEARCH_VISIBLE_ONLY | GTK_SOURCE_SEARCH_CASE_INSENSITIVE, &start, &end, NULL)); } return TRUE; } gtk_imhtml_search_clear(imhtml); return FALSE; } void gtk_imhtml_search_clear(GtkIMHtml *imhtml) { GtkTextIter start, end; g_return_if_fail(imhtml != NULL); gtk_text_buffer_get_start_iter(imhtml->text_buffer, &start); gtk_text_buffer_get_end_iter(imhtml->text_buffer, &end); gtk_text_buffer_remove_tag_by_name(imhtml->text_buffer, "search", &start, &end); if (imhtml->search_string) g_free(imhtml->search_string); imhtml->search_string = NULL; } static GtkTextTag *find_font_forecolor_tag(GtkIMHtml *imhtml, gchar *color) { gchar str[18]; GtkTextTag *tag; g_snprintf(str, sizeof(str), "FORECOLOR %s", color); tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(imhtml->text_buffer), str); if (!tag) tag = gtk_text_buffer_create_tag(imhtml->text_buffer, str, "foreground", color, NULL); return tag; } static GtkTextTag *find_font_backcolor_tag(GtkIMHtml *imhtml, gchar *color) { gchar str[18]; GtkTextTag *tag; g_snprintf(str, sizeof(str), "BACKCOLOR %s", color); tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(imhtml->text_buffer), str); if (!tag) tag = gtk_text_buffer_create_tag(imhtml->text_buffer, str, "background", color, NULL); return tag; } static GtkTextTag *find_font_face_tag(GtkIMHtml *imhtml, gchar *face) { gchar str[256]; GtkTextTag *tag; g_snprintf(str, sizeof(str), "FONT FACE %s", face); str[255] = '\0'; tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(imhtml->text_buffer), str); if (!tag) tag = gtk_text_buffer_create_tag(imhtml->text_buffer, str, "family", face, NULL); return tag; } static void _init_original_fsize(GtkIMHtml *imhtml) { GtkTextAttributes *attr; attr = gtk_text_view_get_default_attributes(GTK_TEXT_VIEW(imhtml)); imhtml->original_fsize = pango_font_description_get_size(attr->font); gtk_text_attributes_unref(attr); } static void _recalculate_font_sizes(GtkTextTag *tag, gpointer imhtml) { if (strncmp(tag->name, "FONT SIZE ", 10) == 0) { int size; size = strtol(tag->name + 10, NULL, 10); g_object_set(G_OBJECT(tag), "size", (gint) (GTK_IMHTML(imhtml)->original_fsize * ((double) _point_sizes[size-1] * GTK_IMHTML(imhtml)->zoom)), NULL); } } void gtk_imhtml_font_zoom(GtkIMHtml *imhtml, double zoom) { GtkRcStyle *s; PangoFontDescription *font_desc = pango_font_description_new(); imhtml->zoom = zoom; if (!imhtml->original_fsize) _init_original_fsize(imhtml); gtk_text_tag_table_foreach(gtk_text_buffer_get_tag_table(imhtml->text_buffer), _recalculate_font_sizes, imhtml); pango_font_description_set_size(font_desc, (gint)((double) imhtml->original_fsize * zoom)); s = gtk_widget_get_modifier_style(GTK_WIDGET(imhtml)); s->font_desc = font_desc; gtk_widget_modify_style(GTK_WIDGET(imhtml), s); } static GtkTextTag *find_font_size_tag(GtkIMHtml *imhtml, int size) { gchar str[24]; GtkTextTag *tag; if (!imhtml->original_fsize) _init_original_fsize(imhtml); g_snprintf(str, sizeof(str), "FONT SIZE %d", size); str[23] = '\0'; tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(imhtml->text_buffer), str); if (!tag) { /* For reasons I don't understand, setting "scale" here scaled based on some default * size other than my theme's default size. Our size 4 was actually smaller than * our size 3 for me. So this works around that oddity. */ tag = gtk_text_buffer_create_tag(imhtml->text_buffer, str, "size", (gint) (imhtml->original_fsize * ((double) _point_sizes[size-1] * imhtml->zoom)), NULL); } return tag; } static void remove_tag_by_prefix(GtkIMHtml *imhtml, const GtkTextIter *i, const GtkTextIter *e, const char *prefix, guint len, gboolean homo) { GSList *tags, *l; GtkTextIter iter; tags = gtk_text_iter_get_tags(i); for (l = tags; l; l = l->next) { GtkTextTag *tag = l->data; if (tag->name && !strncmp(tag->name, prefix, len)) gtk_text_buffer_remove_tag(imhtml->text_buffer, tag, i, e); } g_slist_free(tags); if (homo) return; iter = *i; while (gtk_text_iter_forward_char(&iter) && !gtk_text_iter_equal(&iter, e)) { if (gtk_text_iter_begins_tag(&iter, NULL)) { tags = gtk_text_iter_get_toggled_tags(&iter, TRUE); for (l = tags; l; l = l->next) { GtkTextTag *tag = l->data; if (tag->name && !strncmp(tag->name, prefix, len)) gtk_text_buffer_remove_tag(imhtml->text_buffer, tag, &iter, e); } g_slist_free(tags); } } } static void remove_font_size(GtkIMHtml *imhtml, GtkTextIter *i, GtkTextIter *e, gboolean homo) { remove_tag_by_prefix(imhtml, i, e, "FONT SIZE ", 10, homo); } static void remove_font_face(GtkIMHtml *imhtml, GtkTextIter *i, GtkTextIter *e, gboolean homo) { remove_tag_by_prefix(imhtml, i, e, "FONT FACE ", 10, homo); } static void remove_font_forecolor(GtkIMHtml *imhtml, GtkTextIter *i, GtkTextIter *e, gboolean homo) { remove_tag_by_prefix(imhtml, i, e, "FORECOLOR ", 10, homo); } static void remove_font_backcolor(GtkIMHtml *imhtml, GtkTextIter *i, GtkTextIter *e, gboolean homo) { remove_tag_by_prefix(imhtml, i, e, "BACKCOLOR ", 10, homo); } static void remove_font_link(GtkIMHtml *imhtml, GtkTextIter *i, GtkTextIter *e, gboolean homo) { remove_tag_by_prefix(imhtml, i, e, "LINK ", 5, homo); } /* Editable stuff */ static void preinsert_cb(GtkTextBuffer *buffer, GtkTextIter *iter, gchar *text, gint len, GtkIMHtml *imhtml) { imhtml->insert_offset = gtk_text_iter_get_offset(iter); } static void insert_cb(GtkTextBuffer *buffer, GtkTextIter *end, gchar *text, gint len, GtkIMHtml *imhtml) { GtkTextIter start; if (!len) return; start = *end; gtk_text_iter_set_offset(&start, imhtml->insert_offset); if (imhtml->edit.bold) gtk_text_buffer_apply_tag_by_name(imhtml->text_buffer, "BOLD", &start, end); else gtk_text_buffer_remove_tag_by_name(imhtml->text_buffer, "BOLD", &start, end); if (imhtml->edit.italic) gtk_text_buffer_apply_tag_by_name(imhtml->text_buffer, "ITALICS", &start, end); else gtk_text_buffer_remove_tag_by_name(imhtml->text_buffer, "ITALICS", &start, end); if (imhtml->edit.underline) gtk_text_buffer_apply_tag_by_name(imhtml->text_buffer, "UNDERLINE", &start, end); else gtk_text_buffer_remove_tag_by_name(imhtml->text_buffer, "UNDERLINE", &start, end); if (imhtml->edit.forecolor) { remove_font_forecolor(imhtml, &start, end, TRUE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_forecolor_tag(imhtml, imhtml->edit.forecolor), &start, end); } if (imhtml->edit.backcolor) { remove_font_backcolor(imhtml, &start, end, TRUE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_backcolor_tag(imhtml, imhtml->edit.backcolor), &start, end); } if (imhtml->edit.fontface) { remove_font_face(imhtml, &start, end, TRUE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_face_tag(imhtml, imhtml->edit.fontface), &start, end); } if (imhtml->edit.fontsize) { remove_font_size(imhtml, &start, end, TRUE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_size_tag(imhtml, imhtml->edit.fontsize), &start, end); } if (imhtml->edit.link) { remove_font_link(imhtml, &start, end, TRUE); gtk_text_buffer_apply_tag(imhtml->text_buffer, imhtml->edit.link, &start, end); } } void gtk_imhtml_set_editable(GtkIMHtml *imhtml, gboolean editable) { gtk_text_view_set_editable(GTK_TEXT_VIEW(imhtml), editable); /* * We need a visible caret for accessibility, so mouseless * people can highlight stuff. */ /* gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(imhtml), editable); */ imhtml->editable = editable; imhtml->format_functions = GTK_IMHTML_ALL; if (editable) g_signal_connect_after(G_OBJECT(GTK_IMHTML(imhtml)->text_buffer), "mark-set", G_CALLBACK(mark_set_cb), imhtml); } void gtk_imhtml_set_whole_buffer_formatting_only(GtkIMHtml *imhtml, gboolean wbfo) { g_return_if_fail(imhtml != NULL); imhtml->wbfo = wbfo; } void gtk_imhtml_set_format_functions(GtkIMHtml *imhtml, GtkIMHtmlButtons buttons) { GObject *object = g_object_ref(G_OBJECT(imhtml)); imhtml->format_functions = buttons; g_signal_emit(object, signals[BUTTONS_UPDATE], 0, buttons); g_object_unref(object); } GtkIMHtmlButtons gtk_imhtml_get_format_functions(GtkIMHtml *imhtml) { return imhtml->format_functions; } void gtk_imhtml_get_current_format(GtkIMHtml *imhtml, gboolean *bold, gboolean *italic, gboolean *underline) { if (imhtml->edit.bold) (*bold) = TRUE; if (imhtml->edit.italic) (*italic) = TRUE; if (imhtml->edit.underline) (*underline) = TRUE; } char * gtk_imhtml_get_current_fontface(GtkIMHtml *imhtml) { if (imhtml->edit.fontface) return g_strdup(imhtml->edit.fontface); else return NULL; } char * gtk_imhtml_get_current_forecolor(GtkIMHtml *imhtml) { if (imhtml->edit.forecolor) return g_strdup(imhtml->edit.forecolor); else return NULL; } char * gtk_imhtml_get_current_backcolor(GtkIMHtml *imhtml) { if (imhtml->edit.backcolor) return g_strdup(imhtml->edit.backcolor); else return NULL; } gint gtk_imhtml_get_current_fontsize(GtkIMHtml *imhtml) { return imhtml->edit.fontsize; } gboolean gtk_imhtml_get_editable(GtkIMHtml *imhtml) { return imhtml->editable; } /* * I had this crazy idea about changing the text cursor color to reflex the foreground color * of the text about to be entered. This is the place you'd do it, along with the place where * we actually set a new foreground color. * I may not do this, because people will bitch about Gaim overriding their gtk theme's cursor * colors. * * Just in case I do do this, I asked about what to set the secondary text cursor to. * * (12:45:27) ?? ???: secondary_cursor_color = (rgb(background) + rgb(primary_cursor_color) ) / 2 * (12:45:55) ?? ???: understand? * (12:46:14) Tim: yeah. i didn't know there was an exact formula * (12:46:56) ?? ???: u might need to extract separate each color from RGB */ static void mark_set_cb(GtkTextBuffer *buffer, GtkTextIter *arg1, GtkTextMark *mark, GtkIMHtml *imhtml) { GSList *tags, *l; GtkTextIter iter; if (mark != gtk_text_buffer_get_insert(buffer)) return; if (!gtk_text_buffer_get_char_count(buffer)) return; imhtml->edit.bold = imhtml->edit.italic = imhtml->edit.underline = FALSE; if (imhtml->edit.forecolor) g_free(imhtml->edit.forecolor); imhtml->edit.forecolor = NULL; if (imhtml->edit.backcolor) g_free(imhtml->edit.backcolor); imhtml->edit.backcolor = NULL; if (imhtml->edit.fontface) g_free(imhtml->edit.fontface); imhtml->edit.fontface = NULL; imhtml->edit.fontsize = 0; imhtml->edit.link = NULL; gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &iter, mark); if (gtk_text_iter_is_end(&iter)) tags = gtk_text_iter_get_toggled_tags(&iter, FALSE); else tags = gtk_text_iter_get_tags(&iter); for (l = tags; l != NULL; l = l->next) { GtkTextTag *tag = GTK_TEXT_TAG(l->data); if (tag->name) { if (strcmp(tag->name, "BOLD") == 0) imhtml->edit.bold = TRUE; if (strcmp(tag->name, "ITALICS") == 0) imhtml->edit.italic = TRUE; if (strcmp(tag->name, "UNDERLINE") == 0) imhtml->edit.underline = TRUE; if (strncmp(tag->name, "FORECOLOR ", 10) == 0) imhtml->edit.forecolor = g_strdup(&(tag->name)[10]); if (strncmp(tag->name, "BACKCOLOR ", 10) == 0) imhtml->edit.backcolor = g_strdup(&(tag->name)[10]); if (strncmp(tag->name, "FONT FACE ", 10) == 0) imhtml->edit.fontface = g_strdup(&(tag->name)[10]); if (strncmp(tag->name, "FONT SIZE ", 10) == 0) imhtml->edit.fontsize = strtol(&(tag->name)[10], NULL, 10); if ((strncmp(tag->name, "LINK ", 5) == 0) && !gtk_text_iter_is_end(&iter)) imhtml->edit.link = tag; } } g_slist_free(tags); } gboolean gtk_imhtml_toggle_bold(GtkIMHtml *imhtml) { GObject *object; GtkTextIter start, end; imhtml->edit.bold = !imhtml->edit.bold; if (imhtml->wbfo) { gtk_text_buffer_get_bounds(imhtml->text_buffer, &start, &end); if (imhtml->edit.bold) gtk_text_buffer_apply_tag_by_name(imhtml->text_buffer, "BOLD", &start, &end); else gtk_text_buffer_remove_tag_by_name(imhtml->text_buffer, "BOLD", &start, &end); } else if (imhtml->editable && gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, &start, &end)) { if (imhtml->edit.bold) gtk_text_buffer_apply_tag_by_name(imhtml->text_buffer, "BOLD", &start, &end); else gtk_text_buffer_remove_tag_by_name(imhtml->text_buffer, "BOLD", &start, &end); } object = g_object_ref(G_OBJECT(imhtml)); g_signal_emit(object, signals[TOGGLE_FORMAT], 0, GTK_IMHTML_BOLD); g_object_unref(object); return (imhtml->edit.bold != FALSE); } gboolean gtk_imhtml_toggle_italic(GtkIMHtml *imhtml) { GObject *object; GtkTextIter start, end; imhtml->edit.italic = !imhtml->edit.italic; if (imhtml->wbfo) { gtk_text_buffer_get_bounds(imhtml->text_buffer, &start, &end); if (imhtml->edit.italic) gtk_text_buffer_apply_tag_by_name(imhtml->text_buffer, "ITALICS", &start, &end); else gtk_text_buffer_remove_tag_by_name(imhtml->text_buffer, "ITALICS", &start, &end); } else if (imhtml->editable && gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, &start, &end)) { if (imhtml->edit.italic) gtk_text_buffer_apply_tag_by_name(imhtml->text_buffer, "ITALICS", &start, &end); else gtk_text_buffer_remove_tag_by_name(imhtml->text_buffer, "ITALICS", &start, &end); } object = g_object_ref(G_OBJECT(imhtml)); g_signal_emit(object, signals[TOGGLE_FORMAT], 0, GTK_IMHTML_ITALIC); g_object_unref(object); return imhtml->edit.italic != FALSE; } gboolean gtk_imhtml_toggle_underline(GtkIMHtml *imhtml) { GObject *object; GtkTextIter start, end; imhtml->edit.underline = !imhtml->edit.underline; if (imhtml->wbfo) { gtk_text_buffer_get_bounds(imhtml->text_buffer, &start, &end); if (imhtml->edit.underline) gtk_text_buffer_apply_tag_by_name(imhtml->text_buffer, "UNDERLINE", &start, &end); else gtk_text_buffer_remove_tag_by_name(imhtml->text_buffer, "UNDERLINE", &start, &end); } else if (imhtml->editable && gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, &start, &end)) { if (imhtml->edit.underline) gtk_text_buffer_apply_tag_by_name(imhtml->text_buffer, "UNDERLINE", &start, &end); else gtk_text_buffer_remove_tag_by_name(imhtml->text_buffer, "UNDERLINE", &start, &end); } object = g_object_ref(G_OBJECT(imhtml)); g_signal_emit(object, signals[TOGGLE_FORMAT], 0, GTK_IMHTML_UNDERLINE); g_object_unref(object); return imhtml->edit.underline != FALSE; } void gtk_imhtml_font_set_size(GtkIMHtml *imhtml, gint size) { GObject *object; GtkTextIter start, end; GtkIMHtmlButtons b = 0; imhtml->edit.fontsize = size; if (imhtml->wbfo) { gtk_text_buffer_get_bounds(imhtml->text_buffer, &start, &end); remove_font_size(imhtml, &start, &end, TRUE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_size_tag(imhtml, imhtml->edit.fontsize), &start, &end); } else if (imhtml->editable && gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, &start, &end)) { remove_font_size(imhtml, &start, &end, FALSE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_size_tag(imhtml, imhtml->edit.fontsize), &start, &end); } object = g_object_ref(G_OBJECT(imhtml)); b |= GTK_IMHTML_SHRINK; b |= GTK_IMHTML_GROW; g_signal_emit(object, signals[TOGGLE_FORMAT], 0, b); g_object_unref(object); } void gtk_imhtml_font_shrink(GtkIMHtml *imhtml) { GObject *object; GtkTextIter start, end; if (imhtml->edit.fontsize == 1) return; if (!imhtml->edit.fontsize) imhtml->edit.fontsize = 2; else imhtml->edit.fontsize--; if (imhtml->wbfo) { gtk_text_buffer_get_bounds(imhtml->text_buffer, &start, &end); remove_font_size(imhtml, &start, &end, TRUE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_size_tag(imhtml, imhtml->edit.fontsize), &start, &end); } else if (imhtml->editable && gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, &start, &end)) { remove_font_size(imhtml, &start, &end, FALSE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_size_tag(imhtml, imhtml->edit.fontsize), &start, &end); } object = g_object_ref(G_OBJECT(imhtml)); g_signal_emit(object, signals[TOGGLE_FORMAT], 0, GTK_IMHTML_SHRINK); g_object_unref(object); } void gtk_imhtml_font_grow(GtkIMHtml *imhtml) { GObject *object; GtkTextIter start, end; if (imhtml->edit.fontsize == MAX_FONT_SIZE) return; if (!imhtml->edit.fontsize) imhtml->edit.fontsize = 4; else imhtml->edit.fontsize++; if (imhtml->wbfo) { gtk_text_buffer_get_bounds(imhtml->text_buffer, &start, &end); remove_font_size(imhtml, &start, &end, TRUE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_size_tag(imhtml, imhtml->edit.fontsize), &start, &end); } else if (imhtml->editable && gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, &start, &end)) { remove_font_size(imhtml, &start, &end, FALSE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_size_tag(imhtml, imhtml->edit.fontsize), &start, &end); } object = g_object_ref(G_OBJECT(imhtml)); g_signal_emit(object, signals[TOGGLE_FORMAT], 0, GTK_IMHTML_GROW); g_object_unref(object); } gboolean gtk_imhtml_toggle_forecolor(GtkIMHtml *imhtml, const char *color) { GObject *object; GtkTextIter start, end; if (imhtml->edit.forecolor != NULL) g_free(imhtml->edit.forecolor); if (color && strcmp(color, "") != 0) { imhtml->edit.forecolor = g_strdup(color); if (imhtml->wbfo) { gtk_text_buffer_get_bounds(imhtml->text_buffer, &start, &end); remove_font_forecolor(imhtml, &start, &end, TRUE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_forecolor_tag(imhtml, imhtml->edit.forecolor), &start, &end); } else if (imhtml->editable && gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, &start, &end)) { remove_font_forecolor(imhtml, &start, &end, FALSE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_forecolor_tag(imhtml, imhtml->edit.forecolor), &start, &end); } } else { imhtml->edit.forecolor = NULL; if (imhtml->wbfo) { gtk_text_buffer_get_bounds(imhtml->text_buffer, &start, &end); remove_font_forecolor(imhtml, &start, &end, TRUE); } } object = g_object_ref(G_OBJECT(imhtml)); g_signal_emit(object, signals[TOGGLE_FORMAT], 0, GTK_IMHTML_FORECOLOR); g_object_unref(object); return imhtml->edit.forecolor != NULL; } gboolean gtk_imhtml_toggle_backcolor(GtkIMHtml *imhtml, const char *color) { GObject *object; GtkTextIter start, end; if (imhtml->edit.backcolor != NULL) g_free(imhtml->edit.backcolor); if (color && strcmp(color, "") != 0) { imhtml->edit.backcolor = g_strdup(color); if (imhtml->wbfo) { gtk_text_buffer_get_bounds(imhtml->text_buffer, &start, &end); remove_font_backcolor(imhtml, &start, &end, TRUE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_backcolor_tag(imhtml, imhtml->edit.backcolor), &start, &end); } else if (imhtml->editable && gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, &start, &end)) { remove_font_backcolor(imhtml, &start, &end, FALSE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_backcolor_tag(imhtml, imhtml->edit.backcolor), &start, &end); } } else { imhtml->edit.backcolor = NULL; if (imhtml->wbfo) { gtk_text_buffer_get_bounds(imhtml->text_buffer, &start, &end); remove_font_backcolor(imhtml, &start, &end, TRUE); } } object = g_object_ref(G_OBJECT(imhtml)); g_signal_emit(object, signals[TOGGLE_FORMAT], 0, GTK_IMHTML_BACKCOLOR); g_object_unref(object); return imhtml->edit.backcolor != NULL; } gboolean gtk_imhtml_toggle_fontface(GtkIMHtml *imhtml, const char *face) { GObject *object; GtkTextIter start, end; if (imhtml->edit.fontface != NULL) g_free(imhtml->edit.fontface); if (face && strcmp(face, "") != 0) { imhtml->edit.fontface = g_strdup(face); if (imhtml->wbfo) { gtk_text_buffer_get_bounds(imhtml->text_buffer, &start, &end); remove_font_face(imhtml, &start, &end, TRUE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_face_tag(imhtml, imhtml->edit.fontface), &start, &end); } else if (imhtml->editable && gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, &start, &end)) { remove_font_face(imhtml, &start, &end, FALSE); gtk_text_buffer_apply_tag(imhtml->text_buffer, find_font_face_tag(imhtml, imhtml->edit.fontface), &start, &end); } } else { imhtml->edit.fontface = NULL; if (imhtml->wbfo) { gtk_text_buffer_get_bounds(imhtml->text_buffer, &start, &end); remove_font_face(imhtml, &start, &end, TRUE); } } object = g_object_ref(G_OBJECT(imhtml)); g_signal_emit(object, signals[TOGGLE_FORMAT], 0, GTK_IMHTML_FACE); g_object_unref(object); return imhtml->edit.fontface != NULL; } void gtk_imhtml_toggle_link(GtkIMHtml *imhtml, const char *url) { GObject *object; GtkTextIter start, end; GtkTextTag *linktag; static guint linkno = 0; gchar str[48]; GdkColor *color = NULL; imhtml->edit.link = NULL; if (url) { g_snprintf(str, sizeof(str), "LINK %d", linkno++); str[47] = '\0'; gtk_widget_style_get(GTK_WIDGET(imhtml), "hyperlink-color", &color, NULL); if (color) { imhtml->edit.link = linktag = gtk_text_buffer_create_tag(imhtml->text_buffer, str, "foreground-gdk", color, "underline", PANGO_UNDERLINE_SINGLE, NULL); gdk_color_free(color); } else { imhtml->edit.link = linktag = gtk_text_buffer_create_tag(imhtml->text_buffer, str, "foreground", "blue", "underline", PANGO_UNDERLINE_SINGLE, NULL); } g_object_set_data_full(G_OBJECT(linktag), "link_url", g_strdup(url), g_free); g_signal_connect(G_OBJECT(linktag), "event", G_CALLBACK(tag_event), NULL); if (imhtml->editable && gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, &start, &end)) { remove_font_link(imhtml, &start, &end, FALSE); gtk_text_buffer_apply_tag(imhtml->text_buffer, linktag, &start, &end); } } object = g_object_ref(G_OBJECT(imhtml)); g_signal_emit(object, signals[TOGGLE_FORMAT], 0, GTK_IMHTML_LINK); g_object_unref(object); } void gtk_imhtml_insert_link(GtkIMHtml *imhtml, GtkTextMark *mark, const char *url, const char *text) { GtkTextIter iter; if (gtk_text_buffer_get_selection_bounds(imhtml->text_buffer, NULL, NULL)) gtk_text_buffer_delete_selection(imhtml->text_buffer, TRUE, TRUE); gtk_imhtml_toggle_link(imhtml, url); gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &iter, mark); gtk_text_buffer_insert(imhtml->text_buffer, &iter, text, -1); gtk_imhtml_toggle_link(imhtml, NULL); } void gtk_imhtml_insert_smiley(GtkIMHtml *imhtml, const char *sml, char *smiley) { GtkTextMark *mark; GtkTextIter iter; mark = gtk_text_buffer_get_insert(imhtml->text_buffer); gtk_text_buffer_get_iter_at_mark(imhtml->text_buffer, &iter, mark); gtk_imhtml_insert_smiley_at_iter(imhtml, sml, smiley, &iter); } void gtk_imhtml_insert_smiley_at_iter(GtkIMHtml *imhtml, const char *sml, char *smiley, GtkTextIter *iter) { GdkPixbuf *pixbuf = NULL; GdkPixbufAnimation *annipixbuf = NULL; GtkWidget *icon = NULL; GtkTextChildAnchor *anchor; char *unescaped = gaim_unescape_html(smiley); annipixbuf = gtk_smiley_tree_image(imhtml, sml, unescaped); if(annipixbuf) { if(gdk_pixbuf_animation_is_static_image(annipixbuf)) { pixbuf = gdk_pixbuf_animation_get_static_image(annipixbuf); if(pixbuf) icon = gtk_image_new_from_pixbuf(pixbuf); } else { icon = gtk_image_new_from_animation(annipixbuf); } } if (icon) { anchor = gtk_text_buffer_create_child_anchor(imhtml->text_buffer, iter); g_object_set_data_full(G_OBJECT(anchor), "gtkimhtml_plaintext", g_strdup(unescaped), g_free); g_object_set_data_full(G_OBJECT(anchor), "gtkimhtml_htmltext", g_strdup(smiley), g_free); gtk_widget_show(icon); gtk_text_view_add_child_at_anchor(GTK_TEXT_VIEW(imhtml), icon, anchor); } else { gtk_text_buffer_insert(imhtml->text_buffer, iter, smiley, -1); } g_free(unescaped); } void gtk_imhtml_insert_image_at_iter(GtkIMHtml *imhtml, int id, GtkTextIter *iter) { GdkPixbuf *pixbuf = NULL; const char *filename = NULL; gpointer image; GdkRectangle rect; GtkIMHtmlScalable *scalable = NULL; int minus; if (!imhtml->funcs || !imhtml->funcs->image_get || !imhtml->funcs->image_get_size || !imhtml->funcs->image_get_data || !imhtml->funcs->image_get_filename || !imhtml->funcs->image_ref || !imhtml->funcs->image_unref) return; image = imhtml->funcs->image_get(id); if (image) { gpointer data; size_t len; data = imhtml->funcs->image_get_data(image); len = imhtml->funcs->image_get_size(image); if (data && len) { GdkPixbufLoader *loader = gdk_pixbuf_loader_new(); gdk_pixbuf_loader_write(loader, data, len, NULL); pixbuf = gdk_pixbuf_loader_get_pixbuf(loader); if (pixbuf) g_object_ref(G_OBJECT(pixbuf)); gdk_pixbuf_loader_close(loader, NULL); g_object_unref(G_OBJECT(loader)); } } if (pixbuf) { filename = imhtml->funcs->image_get_filename(image); imhtml->funcs->image_ref(id); imhtml->im_images = g_slist_prepend(imhtml->im_images, GINT_TO_POINTER(id)); } else { pixbuf = gtk_widget_render_icon(GTK_WIDGET(imhtml), GTK_STOCK_MISSING_IMAGE, GTK_ICON_SIZE_BUTTON, "gtkimhtml-missing-image"); } scalable = gtk_imhtml_image_new(pixbuf, filename, id); gtk_text_view_get_visible_rect(GTK_TEXT_VIEW(imhtml), &rect); scalable->add_to(scalable, imhtml, iter); minus = gtk_text_view_get_left_margin(GTK_TEXT_VIEW(imhtml)) + gtk_text_view_get_right_margin(GTK_TEXT_VIEW(imhtml)); scalable->scale(scalable, rect.width - minus, rect.height); imhtml->scalables = g_list_append(imhtml->scalables, scalable); g_object_unref(G_OBJECT(pixbuf)); } static const gchar *tag_to_html_start(GtkTextTag *tag) { const gchar *name; static gchar buf[1024]; name = tag->name; g_return_val_if_fail(name != NULL, ""); if (strcmp(name, "BOLD") == 0) { return ""; } else if (strcmp(name, "ITALICS") == 0) { return ""; } else if (strcmp(name, "UNDERLINE") == 0) { return ""; } else if (strncmp(name, "LINK ", 5) == 0) { char *tmp = g_object_get_data(G_OBJECT(tag), "link_url"); if (tmp) { g_snprintf(buf, sizeof(buf), "", tmp); buf[sizeof(buf)-1] = '\0'; return buf; } else { return ""; } } else if (strncmp(name, "FORECOLOR ", 10) == 0) { g_snprintf(buf, sizeof(buf), "", &name[10]); return buf; } else if (strncmp(name, "BACKCOLOR ", 10) == 0) { g_snprintf(buf, sizeof(buf), "", &name[10]); return buf; } else if (strncmp(name, "FONT FACE ", 10) == 0) { g_snprintf(buf, sizeof(buf), "", &name[10]); return buf; } else if (strncmp(name, "FONT SIZE ", 10) == 0) { g_snprintf(buf, sizeof(buf), "", &name[10]); return buf; } else { return ""; } } static const gchar *tag_to_html_end(GtkTextTag *tag) { const gchar *name; name = tag->name; g_return_val_if_fail(name != NULL, ""); if (strcmp(name, "BOLD") == 0) { return ""; } else if (strcmp(name, "ITALICS") == 0) { return ""; } else if (strcmp(name, "UNDERLINE") == 0) { return ""; } else if (strncmp(name, "LINK ", 5) == 0) { return ""; } else if (strncmp(name, "FORECOLOR ", 10) == 0) { return ""; } else if (strncmp(name, "BACKCOLOR ", 10) == 0) { return ""; } else if (strncmp(name, "FONT FACE ", 10) == 0) { return ""; } else if (strncmp(name, "FONT SIZE ", 10) == 0) { return ""; } else { return ""; } } static gboolean tag_ends_here(GtkTextTag *tag, GtkTextIter *iter, GtkTextIter *niter) { return ((gtk_text_iter_has_tag(iter, GTK_TEXT_TAG(tag)) && !gtk_text_iter_has_tag(niter, GTK_TEXT_TAG(tag))) || gtk_text_iter_is_end(niter)); } /* Basic notion here: traverse through the text buffer one-by-one, non-character elements, such * as smileys and IM images are represented by the Unicode "unknown" character. Handle them. Else * check for tags that are toggled on, insert their html form, and push them on the queue. Then insert * the actual text. Then check for tags that are toggled off and insert them, after checking the queue. * Finally, replace <, >, &, and " with their HTML equivalent. */ char *gtk_imhtml_get_markup_range(GtkIMHtml *imhtml, GtkTextIter *start, GtkTextIter *end) { gunichar c; GtkTextIter iter, nextiter; GString *str = g_string_new(""); GSList *tags, *sl; GQueue *q, *r; GtkTextTag *tag; q = g_queue_new(); r = g_queue_new(); gtk_text_iter_order(start, end); nextiter = iter = *start; gtk_text_iter_forward_char(&nextiter); /* First add the tags that are already in progress (we don't care about non-printing tags)*/ tags = gtk_text_iter_get_tags(start); for (sl = tags; sl; sl = sl->next) { tag = sl->data; if (!gtk_text_iter_toggles_tag(start, GTK_TEXT_TAG(tag))) { if (strlen(tag_to_html_end(tag)) > 0) g_string_append(str, tag_to_html_start(tag)); g_queue_push_tail(q, tag); } } g_slist_free(tags); while ((c = gtk_text_iter_get_char(&iter)) != 0 && !gtk_text_iter_equal(&iter, end)) { tags = gtk_text_iter_get_tags(&iter); for (sl = tags; sl; sl = sl->next) { tag = sl->data; if (gtk_text_iter_begins_tag(&iter, GTK_TEXT_TAG(tag))) { if (strlen(tag_to_html_end(tag)) > 0) g_string_append(str, tag_to_html_start(tag)); g_queue_push_tail(q, tag); } } if (c == 0xFFFC) { GtkTextChildAnchor* anchor = gtk_text_iter_get_child_anchor(&iter); if (anchor) { char *text = g_object_get_data(G_OBJECT(anchor), "gtkimhtml_htmltext"); if (text) str = g_string_append(str, text); } } else if (c == '<') { str = g_string_append(str, "<"); } else if (c == '>') { str = g_string_append(str, ">"); } else if (c == '&') { str = g_string_append(str, "&"); } else if (c == '"') { str = g_string_append(str, """); } else if (c == '\n') { str = g_string_append(str, "
"); } else { str = g_string_append_unichar(str, c); } tags = g_slist_reverse(tags); for (sl = tags; sl; sl = sl->next) { tag = sl->data; /** don't worry about non-printing tags ending */ if (tag_ends_here(tag, &iter, &nextiter) && strlen(tag_to_html_end(tag)) > 0) { GtkTextTag *tmp; while ((tmp = g_queue_pop_tail(q)) != tag) { if (tmp == NULL) break; if (!tag_ends_here(tmp, &iter, &nextiter) && strlen(tag_to_html_end(tmp)) > 0) g_queue_push_tail(r, tmp); g_string_append(str, tag_to_html_end(GTK_TEXT_TAG(tmp))); } if (tmp == NULL) gaim_debug_warning("gtkimhtml", "empty queue, more closing tags than open tags!\n"); else g_string_append(str, tag_to_html_end(GTK_TEXT_TAG(tag))); while ((tmp = g_queue_pop_head(r))) { g_string_append(str, tag_to_html_start(GTK_TEXT_TAG(tmp))); g_queue_push_tail(q, tmp); } } } g_slist_free(tags); gtk_text_iter_forward_char(&iter); gtk_text_iter_forward_char(&nextiter); } while ((tag = g_queue_pop_tail(q))) g_string_append(str, tag_to_html_end(GTK_TEXT_TAG(tag))); g_queue_free(q); g_queue_free(r); return g_string_free(str, FALSE); } void gtk_imhtml_close_tags(GtkIMHtml *imhtml, GtkTextIter *iter) { if (imhtml->edit.bold) gtk_imhtml_toggle_bold(imhtml); if (imhtml->edit.italic) gtk_imhtml_toggle_italic(imhtml); if (imhtml->edit.underline) gtk_imhtml_toggle_underline(imhtml); if (imhtml->edit.forecolor) gtk_imhtml_toggle_forecolor(imhtml, NULL); if (imhtml->edit.backcolor) gtk_imhtml_toggle_backcolor(imhtml, NULL); if (imhtml->edit.fontface) gtk_imhtml_toggle_fontface(imhtml, NULL); imhtml->edit.fontsize = 0; if (imhtml->edit.link) gtk_imhtml_toggle_link(imhtml, NULL); gtk_text_buffer_remove_all_tags(imhtml->text_buffer, iter, iter); } char *gtk_imhtml_get_markup(GtkIMHtml *imhtml) { GtkTextIter start, end; gtk_text_buffer_get_start_iter(imhtml->text_buffer, &start); gtk_text_buffer_get_end_iter(imhtml->text_buffer, &end); return gtk_imhtml_get_markup_range(imhtml, &start, &end); } char **gtk_imhtml_get_markup_lines(GtkIMHtml *imhtml) { int i, j, lines; GtkTextIter start, end; char **ret; lines = gtk_text_buffer_get_line_count(imhtml->text_buffer); ret = g_new0(char *, lines + 1); gtk_text_buffer_get_start_iter(imhtml->text_buffer, &start); end = start; gtk_text_iter_forward_to_line_end(&end); for (i = 0, j = 0; i < lines; i++) { if (gtk_text_iter_get_char(&start) != '\n') { ret[j] = gtk_imhtml_get_markup_range(imhtml, &start, &end); if (ret[j] != NULL) j++; } gtk_text_iter_forward_line(&start); end = start; gtk_text_iter_forward_to_line_end(&end); } return ret; } char *gtk_imhtml_get_text(GtkIMHtml *imhtml, GtkTextIter *start, GtkTextIter *stop) { GString *str = g_string_new(""); GtkTextIter iter, end; gunichar c; if (start == NULL) gtk_text_buffer_get_start_iter(imhtml->text_buffer, &iter); else iter = *start; if (stop == NULL) gtk_text_buffer_get_end_iter(imhtml->text_buffer, &end); else end = *stop; gtk_text_iter_order(&iter, &end); while ((c = gtk_text_iter_get_char(&iter)) != 0 && !gtk_text_iter_equal(&iter, &end)) { if (c == 0xFFFC) { GtkTextChildAnchor* anchor; char *text = NULL; anchor = gtk_text_iter_get_child_anchor(&iter); if (anchor) text = g_object_get_data(G_OBJECT(anchor), "gtkimhtml_plaintext"); if (text) str = g_string_append(str, text); } else { g_string_append_unichar(str, c); } gtk_text_iter_forward_char(&iter); } return g_string_free(str, FALSE); } void gtk_imhtml_set_funcs(GtkIMHtml *imhtml, GtkIMHtmlFuncs *f) { g_return_if_fail(imhtml != NULL); imhtml->funcs = f; }