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,
60 &start, &end, nullptr))
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, nullptr))
126 buf = g_locale_to_utf8(s_buf, l, nullptr, nullptr, nullptr);
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 *, gpointer)
148 gq_gtk_widget_destroy(widget);
152 static void help_window_close(GtkWidget *, gpointer data)
154 auto window = static_cast<GtkWidget *>(data);
155 gq_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 #pragma GCC diagnostic push
173 #pragma GCC diagnostic ignored "-Wunused-function"
174 void help_window_set_file_unused(GtkWidget *window, const gchar *path, const gchar *key)
178 if (!window || !path) return;
180 text = static_cast<GtkWidget *>(g_object_get_data(G_OBJECT(window), "text_widget"));
183 gdk_window_raise(gtk_widget_get_window(window));
185 help_window_load_text(text, path);
186 help_window_scroll(text, key);
188 #pragma GCC diagnostic pop
190 GtkWidget *help_window_new(const gchar *title,
191 const gchar *subclass,
192 const gchar *path, const gchar *key)
196 GtkTextBuffer *buffer;
204 window = window_new(subclass, nullptr, nullptr, title);
206 gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
207 gtk_window_set_default_size(GTK_WINDOW(window), HELP_WINDOW_WIDTH, HELP_WINDOW_HEIGHT);
209 g_signal_connect(G_OBJECT(window), "delete_event",
210 G_CALLBACK(help_window_delete_cb), NULL);
212 vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
213 gq_gtk_container_add(GTK_WIDGET(window), vbox);
214 gtk_widget_show(vbox);
216 g_object_set_data(G_OBJECT(window), "text_vbox", vbox);
220 hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
221 gq_gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
222 gtk_widget_show(hbox);
224 scrolled = gq_gtk_scrolled_window_new(nullptr, nullptr);
225 gq_gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
226 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
227 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
228 gq_gtk_box_pack_start(GTK_BOX(hbox), scrolled, TRUE, TRUE, 0);
229 gtk_widget_show(scrolled);
231 text = gtk_text_view_new();
232 gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
233 gq_gtk_container_add(GTK_WIDGET(scrolled), text);
234 gtk_widget_show(text);
236 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
237 gtk_text_buffer_create_tag(buffer, "monospace",
238 "family", "monospace", NULL);
240 hbox = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL);
241 gtk_container_set_border_width(GTK_CONTAINER(hbox), PREF_PAD_BORDER);
242 gtk_button_box_set_layout(GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
243 gq_gtk_box_pack_end(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
244 gtk_widget_show(hbox);
246 button = gtk_button_new_from_icon_name(GQ_ICON_CLOSE, GTK_ICON_SIZE_BUTTON);
247 g_signal_connect(G_OBJECT(button), "clicked",
248 G_CALLBACK(help_window_close), window);
249 gq_gtk_container_add(GTK_WIDGET(hbox), button);
250 gtk_widget_set_can_default(button, TRUE);
251 gtk_widget_grab_default(button);
252 gtk_widget_show(button);
254 g_object_set_data(G_OBJECT(window), "text_widget", text);
256 help_window_load_text(text, path);
258 gtk_widget_show(window);
260 help_window_scroll(text, key);
265 #pragma GCC diagnostic push
266 #pragma GCC diagnostic ignored "-Wunused-function"
267 GtkWidget *help_window_get_box_unused(GtkWidget *window)
269 return static_cast<GtkWidget *>(g_object_get_data(G_OBJECT(window), "text_vbox"));
271 #pragma GCC diagnostic pop
273 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */