+++ /dev/null
-/*
- * Copyright (C) 2004 John Ellis
- * Copyright (C) 2008 - 2016 The Geeqie Team
- *
- * Author: John Ellis
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-#include "intl.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <gtk/gtk.h>
-
-#include "main.h"
-#include "ui_help.h"
-
-#include "ui_fileops.h"
-#include "ui_misc.h"
-#include "window.h"
-
-
-#define HELP_WINDOW_WIDTH 650
-#define HELP_WINDOW_HEIGHT 350
-
-
-/*
- *-----------------------------------------------------------------------------
- * 'help' window
- *-----------------------------------------------------------------------------
- */
-
-#define SCROLL_MARKNAME "scroll_point"
-
-static void help_window_scroll(GtkWidget *text, const gchar *key)
-{
- gchar *needle;
- GtkTextBuffer *buffer;
- GtkTextIter iter;
- GtkTextIter start, end;
-
- if (!text || !key) return;
-
- needle = g_strdup_printf("[section:%s]", key);
-
- buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
- gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
-
- if (gtk_text_iter_forward_search(&iter, needle, GTK_TEXT_SEARCH_TEXT_ONLY,
- &start, &end, NULL))
- {
- gint line;
- GtkTextMark *mark;
-
- line = gtk_text_iter_get_line(&start);
- gtk_text_buffer_get_iter_at_line_offset(buffer, &iter, line, 0);
- gtk_text_buffer_place_cursor(buffer, &iter);
-
- /* apparently only scroll_to_mark works when the textview is not visible yet */
-
- /* if mark exists, move it instead of creating one for every scroll */
- mark = gtk_text_buffer_get_mark(buffer, SCROLL_MARKNAME);
- if (mark)
- {
- gtk_text_buffer_move_mark(buffer, mark, &iter);
- }
- else
- {
- mark = gtk_text_buffer_create_mark(buffer, SCROLL_MARKNAME, &iter, FALSE);
- }
- gtk_text_view_scroll_to_mark(GTK_TEXT_VIEW(text), mark, 0.0, TRUE, 0, 0);
- }
-
- g_free(needle);
-}
-
-static void help_window_load_text(GtkWidget *text, const gchar *path)
-{
- gchar *pathl;
- FILE *f;
- gchar s_buf[1024];
- GtkTextBuffer *buffer;
- GtkTextIter iter;
- GtkTextIter start, end;
-
- if (!text || !path) return;
-
- buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
-
- gtk_text_buffer_get_bounds(buffer, &start, &end);
- gtk_text_buffer_delete(buffer, &start, &end);
-
- gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
-
- pathl = path_from_utf8(path);
- f = fopen(pathl, "r");
- g_free(pathl);
- if (!f)
- {
- gchar *buf;
- buf = g_strdup_printf(_("Unable to load:\n%s"), path);
- gtk_text_buffer_insert(buffer, &iter, buf, -1);
- g_free(buf);
- }
- else
- {
- while (fgets(s_buf, sizeof(s_buf), f))
- {
- gchar *buf;
- gint l;
-
- l = strlen(s_buf);
-
- if (!g_utf8_validate(s_buf, l, NULL))
- {
- buf = g_locale_to_utf8(s_buf, l, NULL, NULL, NULL);
- if (!buf) buf = g_strdup("\n");
- }
- else
- {
- buf = NULL;
- }
- gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
- (buf) ? buf : s_buf, -1,
- "monospace", NULL);
- g_free(buf);
- }
- fclose(f);
- }
-
- gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
- gtk_text_buffer_place_cursor(buffer, &iter);
- gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(text), &iter, 0.0, TRUE, 0, 0);
-}
-
-static gboolean help_window_delete_cb(GtkWidget *widget, GdkEventAny *event, gpointer data)
-{
- gtk_widget_destroy(widget);
- return TRUE;
-}
-
-static void help_window_close(GtkWidget *widget, gpointer data)
-{
- GtkWidget *window = data;
- gtk_widget_destroy(window);
-}
-
-void help_window_set_key(GtkWidget *window, const gchar *key)
-{
- GtkWidget *text;
-
- if (!window) return;
-
- text = g_object_get_data(G_OBJECT(window), "text_widget");
- if (!text) return;
-
- gdk_window_raise(gtk_widget_get_window(window));
-
- if (key) help_window_scroll(text, key);
-}
-
-void help_window_set_file(GtkWidget *window, const gchar *path, const gchar *key)
-{
- GtkWidget *text;
-
- if (!window || !path) return;
-
- text = g_object_get_data(G_OBJECT(window), "text_widget");
- if (!text) return;
-
- gdk_window_raise(gtk_widget_get_window(window));
-
- help_window_load_text(text, path);
- help_window_scroll(text, key);
-}
-
-GtkWidget *help_window_new(const gchar *title,
- const gchar *subclass,
- const gchar *path, const gchar *key)
-{
- GtkWidget *window;
- GtkWidget *text;
- GtkTextBuffer *buffer;
- GtkWidget *vbox;
- GtkWidget *hbox;
- GtkWidget *button;
- GtkWidget *scrolled;
-
- /* window */
-
- window = window_new(GTK_WINDOW_TOPLEVEL, subclass, NULL, NULL, title);
- gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
- gtk_window_set_default_size(GTK_WINDOW(window), HELP_WINDOW_WIDTH, HELP_WINDOW_HEIGHT);
-
- g_signal_connect(G_OBJECT(window), "delete_event",
- G_CALLBACK(help_window_delete_cb), NULL);
-
- vbox = gtk_vbox_new(FALSE, 0);
- gtk_container_add(GTK_CONTAINER(window), vbox);
- gtk_widget_show(vbox);
-
- g_object_set_data(G_OBJECT(window), "text_vbox", vbox);
-
- /* text window */
-
- hbox = gtk_hbox_new(FALSE, 0);
- gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
- gtk_widget_show(hbox);
-
- scrolled = gtk_scrolled_window_new(NULL, NULL);
- gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
- gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
- GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
- gtk_box_pack_start(GTK_BOX(hbox), scrolled, TRUE, TRUE, 0);
- gtk_widget_show(scrolled);
-
- text = gtk_text_view_new();
- gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
- gtk_container_add(GTK_CONTAINER(scrolled), text);
- gtk_widget_show(text);
-
- buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
- gtk_text_buffer_create_tag(buffer, "monospace",
- "family", "monospace", NULL);
-
- hbox = gtk_hbutton_box_new();
- gtk_container_set_border_width(GTK_CONTAINER(hbox), PREF_PAD_BORDER);
- gtk_button_box_set_layout(GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
- gtk_box_pack_end(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
- gtk_widget_show(hbox);
-
- button = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
- g_signal_connect(G_OBJECT(button), "clicked",
- G_CALLBACK(help_window_close), window);
- gtk_container_add(GTK_CONTAINER(hbox), button);
- gtk_widget_set_can_default(button, TRUE);
- gtk_widget_grab_default(button);
- gtk_widget_show(button);
-
- g_object_set_data(G_OBJECT(window), "text_widget", text);
-
- help_window_load_text(text, path);
-
- gtk_widget_show(window);
-
- help_window_scroll(text, key);
-
- return window;
-}
-
-GtkWidget *help_window_get_box(GtkWidget *window)
-{
- return g_object_get_data(G_OBJECT(window), "text_vbox");
-}
-/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
projects / geeqie.git / blobdiff