2 * Copyright (C) 2004 John Ellis
3 * Copyright (C) 2008 - 2016 The Geeqie Team
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 #include "ui-fileops.h"
33 #define HELP_WINDOW_WIDTH 650
34 #define HELP_WINDOW_HEIGHT 350
38 *-----------------------------------------------------------------------------
40 *-----------------------------------------------------------------------------
43 #define SCROLL_MARKNAME "scroll_point"
45 static void help_window_scroll(GtkWidget *text, const gchar *key)
48 GtkTextBuffer *buffer;
50 GtkTextIter start, end;
52 if (!text || !key) return;
54 needle = g_strdup_printf("[section:%s]", key);
56 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
57 gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
59 if (gtk_text_iter_forward_search(&iter, needle, GTK_TEXT_SEARCH_TEXT_ONLY,
65 line = gtk_text_iter_get_line(&start);
66 gtk_text_buffer_get_iter_at_line_offset(buffer, &iter, line, 0);
67 gtk_text_buffer_place_cursor(buffer, &iter);
69 /* apparently only scroll_to_mark works when the textview is not visible yet */
71 /* if mark exists, move it instead of creating one for every scroll */
72 mark = gtk_text_buffer_get_mark(buffer, SCROLL_MARKNAME);
75 gtk_text_buffer_move_mark(buffer, mark, &iter);
79 mark = gtk_text_buffer_create_mark(buffer, SCROLL_MARKNAME, &iter, FALSE);
81 gtk_text_view_scroll_to_mark(GTK_TEXT_VIEW(text), mark, 0.0, TRUE, 0, 0);
87 static void help_window_load_text(GtkWidget *text, const gchar *path)
92 GtkTextBuffer *buffer;
94 GtkTextIter start, end;
96 if (!text || !path) return;
98 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
100 gtk_text_buffer_get_bounds(buffer, &start, &end);
101 gtk_text_buffer_delete(buffer, &start, &end);
103 gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
105 pathl = path_from_utf8(path);
106 f = fopen(pathl, "r");
111 buf = g_strdup_printf(_("Unable to load:\n%s"), path);
112 gtk_text_buffer_insert(buffer, &iter, buf, -1);
117 while (fgets(s_buf, sizeof(s_buf), f))
124 if (!g_utf8_validate(s_buf, l, NULL))
126 buf = g_locale_to_utf8(s_buf, l, NULL, NULL, NULL);
127 if (!buf) buf = g_strdup("\n");
133 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
134 (buf) ? buf : s_buf, -1,
141 gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
142 gtk_text_buffer_place_cursor(buffer, &iter);
143 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(text), &iter, 0.0, TRUE, 0, 0);
146 static gboolean help_window_delete_cb(GtkWidget *widget, GdkEventAny *UNUSED(event), gpointer UNUSED(data))
148 gtk_widget_destroy(widget);
152 static void help_window_close(GtkWidget *UNUSED(widget), gpointer data)
154 GtkWidget *window = static_cast<GtkWidget *>(data);
155 gtk_widget_destroy(window);
158 void help_window_set_key(GtkWidget *window, const gchar *key)
164 text = static_cast<GtkWidget *>(g_object_get_data(G_OBJECT(window), "text_widget"));
167 gdk_window_raise(gtk_widget_get_window(window));
169 if (key) help_window_scroll(text, key);
172 //void help_window_set_file(GtkWidget *window, const gchar *path, const gchar *key)
176 //if (!window || !path) return;
178 //text = g_object_get_data(G_OBJECT(window), "text_widget");
181 //gdk_window_raise(gtk_widget_get_window(window));
183 //help_window_load_text(text, path);
184 //help_window_scroll(text, key);
187 GtkWidget *help_window_new(const gchar *title,
188 const gchar *subclass,
189 const gchar *path, const gchar *key)
193 GtkTextBuffer *buffer;
201 window = window_new(GTK_WINDOW_TOPLEVEL, subclass, NULL, NULL, title);
203 gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
204 gtk_window_set_default_size(GTK_WINDOW(window), HELP_WINDOW_WIDTH, HELP_WINDOW_HEIGHT);
206 g_signal_connect(G_OBJECT(window), "delete_event",
207 G_CALLBACK(help_window_delete_cb), NULL);
209 vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
210 gtk_container_add(GTK_CONTAINER(window), vbox);
211 gtk_widget_show(vbox);
213 g_object_set_data(G_OBJECT(window), "text_vbox", vbox);
217 hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
218 gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
219 gtk_widget_show(hbox);
221 scrolled = gtk_scrolled_window_new(NULL, NULL);
222 gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
223 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
224 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
225 gtk_box_pack_start(GTK_BOX(hbox), scrolled, TRUE, TRUE, 0);
226 gtk_widget_show(scrolled);
228 text = gtk_text_view_new();
229 gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
230 gtk_container_add(GTK_CONTAINER(scrolled), text);
231 gtk_widget_show(text);
233 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
234 gtk_text_buffer_create_tag(buffer, "monospace",
235 "family", "monospace", NULL);
237 hbox = gtk_hbutton_box_new();
238 gtk_container_set_border_width(GTK_CONTAINER(hbox), PREF_PAD_BORDER);
239 gtk_button_box_set_layout(GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
240 gtk_box_pack_end(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
241 gtk_widget_show(hbox);
243 button = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
244 g_signal_connect(G_OBJECT(button), "clicked",
245 G_CALLBACK(help_window_close), window);
246 gtk_container_add(GTK_CONTAINER(hbox), button);
247 gtk_widget_set_can_default(button, TRUE);
248 gtk_widget_grab_default(button);
249 gtk_widget_show(button);
251 g_object_set_data(G_OBJECT(window), "text_widget", text);
253 help_window_load_text(text, path);
255 gtk_widget_show(window);
257 help_window_scroll(text, key);
262 //GtkWidget *help_window_get_box(GtkWidget *window)
264 //return g_object_get_data(G_OBJECT(window), "text_vbox");
266 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */