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.
32 #include "main-defines.h"
33 #include "ui-fileops.h"
39 HELP_WINDOW_WIDTH = 650,
40 HELP_WINDOW_HEIGHT = 350
45 *-----------------------------------------------------------------------------
47 *-----------------------------------------------------------------------------
50 #define SCROLL_MARKNAME "scroll_point"
52 static void help_window_scroll(GtkWidget *text, const gchar *key)
55 GtkTextBuffer *buffer;
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,
68 &start, &end, nullptr))
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;
105 if (!text || !path) return;
107 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
109 gtk_text_buffer_get_bounds(buffer, &start, &end);
110 gtk_text_buffer_delete(buffer, &start, &end);
112 gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
114 pathl = path_from_utf8(path);
115 f = fopen(pathl, "r");
120 buf = g_strdup_printf(_("Unable to load:\n%s"), path);
121 gtk_text_buffer_insert(buffer, &iter, buf, -1);
126 while (fgets(s_buf, sizeof(s_buf), f))
133 if (!g_utf8_validate(s_buf, l, nullptr))
135 buf = g_locale_to_utf8(s_buf, l, nullptr, nullptr, nullptr);
136 if (!buf) buf = g_strdup("\n");
142 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
143 (buf) ? buf : s_buf, -1,
150 gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
151 gtk_text_buffer_place_cursor(buffer, &iter);
152 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(text), &iter, 0.0, TRUE, 0, 0);
155 static gboolean help_window_delete_cb(GtkWidget *widget, GdkEventAny *, gpointer)
157 gq_gtk_widget_destroy(widget);
161 static void help_window_close(GtkWidget *, gpointer data)
163 auto window = static_cast<GtkWidget *>(data);
164 gq_gtk_widget_destroy(window);
167 void help_window_set_key(GtkWidget *window, const gchar *key)
173 text = static_cast<GtkWidget *>(g_object_get_data(G_OBJECT(window), "text_widget"));
176 gdk_window_raise(gtk_widget_get_window(window));
178 if (key) help_window_scroll(text, key);
181 #pragma GCC diagnostic push
182 #pragma GCC diagnostic ignored "-Wunused-function"
183 void help_window_set_file_unused(GtkWidget *window, const gchar *path, const gchar *key)
187 if (!window || !path) return;
189 text = static_cast<GtkWidget *>(g_object_get_data(G_OBJECT(window), "text_widget"));
192 gdk_window_raise(gtk_widget_get_window(window));
194 help_window_load_text(text, path);
195 help_window_scroll(text, key);
197 #pragma GCC diagnostic pop
199 GtkWidget *help_window_new(const gchar *title,
200 const gchar *subclass,
201 const gchar *path, const gchar *key)
205 GtkTextBuffer *buffer;
213 window = window_new(subclass, nullptr, nullptr, title);
215 gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
216 gtk_window_set_default_size(GTK_WINDOW(window), HELP_WINDOW_WIDTH, HELP_WINDOW_HEIGHT);
218 g_signal_connect(G_OBJECT(window), "delete_event",
219 G_CALLBACK(help_window_delete_cb), NULL);
221 vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
222 gq_gtk_container_add(GTK_WIDGET(window), vbox);
223 gtk_widget_show(vbox);
225 g_object_set_data(G_OBJECT(window), "text_vbox", vbox);
229 hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
230 gq_gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
231 gtk_widget_show(hbox);
233 scrolled = gq_gtk_scrolled_window_new(nullptr, nullptr);
234 gq_gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
235 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
236 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
237 gq_gtk_box_pack_start(GTK_BOX(hbox), scrolled, TRUE, TRUE, 0);
238 gtk_widget_show(scrolled);
240 text = gtk_text_view_new();
241 gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
242 gq_gtk_container_add(GTK_WIDGET(scrolled), text);
243 gtk_widget_show(text);
245 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
246 gtk_text_buffer_create_tag(buffer, "monospace",
247 "family", "monospace", NULL);
249 hbox = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL);
250 gtk_container_set_border_width(GTK_CONTAINER(hbox), PREF_PAD_BORDER);
251 gtk_button_box_set_layout(GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
252 gq_gtk_box_pack_end(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
253 gtk_widget_show(hbox);
255 button = gtk_button_new_from_icon_name(GQ_ICON_CLOSE, GTK_ICON_SIZE_BUTTON);
256 g_signal_connect(G_OBJECT(button), "clicked",
257 G_CALLBACK(help_window_close), window);
258 gq_gtk_container_add(GTK_WIDGET(hbox), button);
259 gtk_widget_set_can_default(button, TRUE);
260 gtk_widget_grab_default(button);
261 gtk_widget_show(button);
263 g_object_set_data(G_OBJECT(window), "text_widget", text);
265 help_window_load_text(text, path);
267 gtk_widget_show(window);
269 help_window_scroll(text, key);
274 #pragma GCC diagnostic push
275 #pragma GCC diagnostic ignored "-Wunused-function"
276 GtkWidget *help_window_get_box_unused(GtkWidget *window)
278 return static_cast<GtkWidget *>(g_object_get_data(G_OBJECT(window), "text_vbox"));
280 #pragma GCC diagnostic pop
282 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */