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.
36 #include "ui_fileops.h"
41 #define HELP_WINDOW_WIDTH 650
42 #define HELP_WINDOW_HEIGHT 350
46 *-----------------------------------------------------------------------------
48 *-----------------------------------------------------------------------------
51 #define SCROLL_MARKNAME "scroll_point"
53 static void help_window_scroll(GtkWidget *text, const gchar *key)
56 GtkTextBuffer *buffer;
58 GtkTextIter start, end;
60 if (!text || !key) return;
62 needle = g_strdup_printf("[section:%s]", key);
64 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
65 gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
67 if (gtk_text_iter_forward_search(&iter, needle, GTK_TEXT_SEARCH_TEXT_ONLY,
73 line = gtk_text_iter_get_line(&start);
74 gtk_text_buffer_get_iter_at_line_offset(buffer, &iter, line, 0);
75 gtk_text_buffer_place_cursor(buffer, &iter);
77 /* apparently only scroll_to_mark works when the textview is not visible yet */
79 /* if mark exists, move it instead of creating one for every scroll */
80 mark = gtk_text_buffer_get_mark(buffer, SCROLL_MARKNAME);
83 gtk_text_buffer_move_mark(buffer, mark, &iter);
87 mark = gtk_text_buffer_create_mark(buffer, SCROLL_MARKNAME, &iter, FALSE);
89 gtk_text_view_scroll_to_mark(GTK_TEXT_VIEW(text), mark, 0.0, TRUE, 0, 0);
95 static void help_window_load_text(GtkWidget *text, const gchar *path)
100 GtkTextBuffer *buffer;
102 GtkTextIter start, end;
104 if (!text || !path) return;
106 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
108 gtk_text_buffer_get_bounds(buffer, &start, &end);
109 gtk_text_buffer_delete(buffer, &start, &end);
111 gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
113 pathl = path_from_utf8(path);
114 f = fopen(pathl, "r");
119 buf = g_strdup_printf(_("Unable to load:\n%s"), path);
120 gtk_text_buffer_insert(buffer, &iter, buf, -1);
125 while (fgets(s_buf, sizeof(s_buf), f))
132 if (!g_utf8_validate(s_buf, l, NULL))
134 buf = g_locale_to_utf8(s_buf, l, NULL, NULL, NULL);
135 if (!buf) buf = g_strdup("\n");
141 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
142 (buf) ? buf : s_buf, -1,
149 gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
150 gtk_text_buffer_place_cursor(buffer, &iter);
151 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(text), &iter, 0.0, TRUE, 0, 0);
154 static gboolean help_window_delete_cb(GtkWidget *widget, GdkEventAny *event, gpointer data)
156 gtk_widget_destroy(widget);
160 static void help_window_close(GtkWidget *widget, gpointer data)
162 GtkWidget *window = data;
163 gtk_widget_destroy(window);
166 void help_window_set_key(GtkWidget *window, const gchar *key)
172 text = g_object_get_data(G_OBJECT(window), "text_widget");
175 gdk_window_raise(gtk_widget_get_window(window));
177 if (key) help_window_scroll(text, key);
180 void help_window_set_file(GtkWidget *window, const gchar *path, const gchar *key)
184 if (!window || !path) return;
186 text = g_object_get_data(G_OBJECT(window), "text_widget");
189 gdk_window_raise(gtk_widget_get_window(window));
191 help_window_load_text(text, path);
192 help_window_scroll(text, key);
195 GtkWidget *help_window_new(const gchar *title,
196 const gchar *subclass,
197 const gchar *path, const gchar *key)
201 GtkTextBuffer *buffer;
209 window = window_new(GTK_WINDOW_TOPLEVEL, subclass, NULL, NULL, title);
211 gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
212 gtk_window_set_default_size(GTK_WINDOW(window), HELP_WINDOW_WIDTH, HELP_WINDOW_HEIGHT);
214 g_signal_connect(G_OBJECT(window), "delete_event",
215 G_CALLBACK(help_window_delete_cb), NULL);
217 vbox = gtk_vbox_new(FALSE, 0);
218 gtk_container_add(GTK_CONTAINER(window), vbox);
219 gtk_widget_show(vbox);
221 g_object_set_data(G_OBJECT(window), "text_vbox", vbox);
225 hbox = gtk_hbox_new(FALSE, 0);
226 gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
227 gtk_widget_show(hbox);
229 scrolled = gtk_scrolled_window_new(NULL, NULL);
230 gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
231 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
232 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
233 gtk_box_pack_start(GTK_BOX(hbox), scrolled, TRUE, TRUE, 0);
234 gtk_widget_show(scrolled);
236 text = gtk_text_view_new();
237 gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
238 gtk_container_add(GTK_CONTAINER(scrolled), text);
239 gtk_widget_show(text);
241 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
242 gtk_text_buffer_create_tag(buffer, "monospace",
243 "family", "monospace", NULL);
245 hbox = gtk_hbutton_box_new();
246 gtk_container_set_border_width(GTK_CONTAINER(hbox), PREF_PAD_BORDER);
247 gtk_button_box_set_layout(GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
248 gtk_box_pack_end(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
249 gtk_widget_show(hbox);
251 button = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
252 g_signal_connect(G_OBJECT(button), "clicked",
253 G_CALLBACK(help_window_close), window);
254 gtk_container_add(GTK_CONTAINER(hbox), button);
255 gtk_widget_set_can_default(button, TRUE);
256 gtk_widget_grab_default(button);
257 gtk_widget_show(button);
259 g_object_set_data(G_OBJECT(window), "text_widget", text);
261 help_window_load_text(text, path);
263 gtk_widget_show(window);
265 help_window_scroll(text, key);
270 GtkWidget *help_window_get_box(GtkWidget *window)
272 return g_object_get_data(G_OBJECT(window), "text_vbox");
274 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */