10 static GtkTextBuffer *info_buffer;
11 static GtkTextBuffer *source_buffer;
13 static gchar *current_file = NULL;
24 read_line (FILE *stream, GString *str)
30 g_string_truncate (str, 0);
36 c = getc_unlocked (stream);
48 int next_c = getc_unlocked (stream);
50 if (!(next_c == EOF ||
51 (c == '\r' && next_c == '\n') ||
52 (c == '\n' && next_c == '\r')))
53 ungetc (next_c, stream);
58 g_string_append_c (str, c);
70 load_file (const gchar *filename)
73 GtkTextIter start, end;
74 GString *buffer = g_string_new (NULL);
78 if (current_file && !strcmp (current_file, filename))
81 g_free (current_file);
82 current_file = g_strdup (filename);
84 gtk_text_buffer_get_bounds (info_buffer, &start, &end);
85 gtk_text_buffer_delete (info_buffer, &start, &end);
87 gtk_text_buffer_get_bounds (source_buffer, &start, &end);
88 gtk_text_buffer_delete (source_buffer, &start, &end);
90 file = fopen (filename, "r");
93 g_warning ("Cannot open %s: %s\n", filename, g_strerror (errno));
97 gtk_text_buffer_get_iter_at_offset (info_buffer, &start, 0);
98 while (read_line (file, buffer))
100 gchar *p = buffer->str;
107 while (*p == '/' || *p == '*' || isspace (*p))
110 while (q > p && isspace (*(q - 1)))
115 int len_chars = g_utf8_pointer_to_offset (p, q);
119 g_assert (strlen (p) >= q - p);
120 gtk_text_buffer_insert (info_buffer, &end, p, q - p);
123 gtk_text_iter_backward_chars (&start, len_chars);
124 gtk_text_buffer_apply_tag_by_name (info_buffer, "title", &start, &end);
133 /* Reading body of info section */
136 if (*p == '*' && *(p + 1) == '/')
138 gtk_text_buffer_get_iter_at_offset (source_buffer, &start, 0);
145 while (*p == '*' || isspace (*p))
149 while (isspace (*(p + len - 1)))
155 gtk_text_buffer_insert (info_buffer, &start, " ", 1);
157 g_assert (strlen (p) >= len);
158 gtk_text_buffer_insert (info_buffer, &start, p, len);
163 gtk_text_buffer_insert (info_buffer, &start, "\n", 1);
170 /* Skipping blank lines */
183 /* Reading program body */
184 gtk_text_buffer_insert (source_buffer, &start, p, -1);
185 gtk_text_buffer_insert (info_buffer, &start, "\n", 1);
190 gtk_text_buffer_get_bounds (source_buffer, &start, &end);
191 gtk_text_buffer_apply_tag_by_name (info_buffer, "source", &start, &end);
195 button_press_event_cb (GtkTreeView *tree_view,
196 GdkEventButton *event,
199 if (event->type == GDK_2BUTTON_PRESS)
201 GtkTreePath *path = NULL;
203 gtk_tree_view_get_path_at_pos (tree_view,
216 gtk_tree_model_get_iter (model, &iter, path);
217 gtk_tree_store_get (GTK_TREE_STORE (model),
220 ITALIC_COLUMN, &italic,
223 gtk_tree_store_set (GTK_TREE_STORE (model),
225 ITALIC_COLUMN, !italic,
227 gtk_tree_path_free (path);
230 gtk_signal_emit_stop_by_name (GTK_OBJECT (tree_view),
231 "button_press_event");
239 selection_cb (GtkTreeSelection *selection,
243 GValue value = {0, };
245 if (! gtk_tree_selection_get_selected (selection, NULL, &iter))
248 gtk_tree_model_get_value (model, &iter,
251 load_file (g_value_get_string (&value));
252 g_value_unset (&value);
256 create_text (GtkTextBuffer **buffer,
259 GtkWidget *scrolled_window;
260 GtkWidget *text_view;
261 PangoFontDescription *font_desc;
263 scrolled_window = gtk_scrolled_window_new (NULL, NULL);
264 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
265 GTK_POLICY_AUTOMATIC,
266 GTK_POLICY_AUTOMATIC);
267 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
270 text_view = gtk_text_view_new ();
271 gtk_container_add (GTK_CONTAINER (scrolled_window), text_view);
273 *buffer = gtk_text_buffer_new (NULL);
274 gtk_text_view_set_buffer (GTK_TEXT_VIEW (text_view), *buffer);
275 gtk_text_view_set_editable (GTK_TEXT_VIEW (text_view), FALSE);
276 gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (text_view), FALSE);
280 font_desc = pango_font_description_from_string ("Courier 10");
281 gtk_widget_modify_font (text_view, font_desc);
282 pango_font_description_free (font_desc);
285 gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (text_view), !is_source);
287 return scrolled_window;
290 /* Technically a list, but if we do go to 80 demos, we may want to move to a tree */
294 GtkTreeSelection *selection;
295 GtkCellRenderer *cell;
296 GtkWidget *tree_view;
302 model = gtk_tree_store_new_with_types (NUM_COLUMNS, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_BOOLEAN);
303 tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (model));
304 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
306 gtk_tree_selection_set_type (GTK_TREE_SELECTION (selection),
307 GTK_TREE_SELECTION_SINGLE);
308 gtk_widget_set_usize (tree_view, 200, -1);
310 for (i=0; i < G_N_ELEMENTS (testgtk_demos); i++)
312 gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
314 gtk_tree_store_set (GTK_TREE_STORE (model),
316 TITLE_COLUMN, testgtk_demos[i].title,
317 FILENAME_COLUMN, testgtk_demos[i].filename,
318 FUNC_COLUMN, testgtk_demos[i].func,
319 ITALIC_COLUMN, FALSE,
323 cell = gtk_cell_renderer_text_new ();
324 column = gtk_tree_view_column_new_with_attributes ("Widget",
326 "text", TITLE_COLUMN,
327 "italic", ITALIC_COLUMN,
329 gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view),
330 GTK_TREE_VIEW_COLUMN (column));
332 gtk_signal_connect (GTK_OBJECT (selection), "selection_changed", selection_cb, model);
333 gtk_signal_connect (GTK_OBJECT (tree_view), "button_press_event", GTK_SIGNAL_FUNC (button_press_event_cb), model);
339 main (int argc, char **argv)
347 gtk_init (&argc, &argv);
349 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
350 gtk_signal_connect (GTK_OBJECT (window), "destroy",
351 GTK_SIGNAL_FUNC (gtk_main_quit), NULL);
353 hbox = gtk_hbox_new (FALSE, 0);
354 gtk_container_add (GTK_CONTAINER (window), hbox);
356 tree = create_tree ();
357 gtk_box_pack_start (GTK_BOX (hbox), tree, FALSE, FALSE, 0);
359 notebook = gtk_notebook_new ();
360 gtk_box_pack_start (GTK_BOX (hbox), notebook, TRUE, TRUE, 0);
362 gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
363 create_text (&info_buffer, FALSE),
364 gtk_label_new ("Info"));
367 gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
368 create_text (&source_buffer, TRUE),
369 gtk_label_new ("Source"));
371 tag = gtk_text_buffer_create_tag (info_buffer, "title");
372 gtk_object_set (GTK_OBJECT (tag),
376 tag = gtk_text_buffer_create_tag (info_buffer, "source");
377 gtk_object_set (GTK_OBJECT (tag),
378 "font", "Courier 10",
379 "pixels_above_lines", 0,
380 "pixels_below_lines", 0,
383 gtk_window_set_default_size (GTK_WINDOW (window), 600, 400);
384 gtk_widget_show_all (window);
387 load_file (testgtk_demos[0].filename);