Sylpheed

/*

 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client

 * Copyright (C) 1999-2005 Hiroyuki Yamamoto

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 */

#include "defs.h"

#include <glib.h>

#include <glib/gi18n.h>

#include <gdk/gdkkeysyms.h>

#include <gtk/gtkwidget.h>

#include <gtk/gtkwindow.h>

#include <gtk/gtksignal.h>

#include <gtk/gtkscrolledwindow.h>

#include <gtk/gtktextview.h>

#include <gtk/gtkstyle.h>

#include <stdio.h>

#include <stdlib.h>

#include "sourcewindow.h"

#include "procmsg.h"

#include "codeconv.h"

#include "utils.h"

#include "gtkutils.h"

#include "prefs_common.h"

static void source_window_size_alloc_cb        (GtkWidget        *widget,

                                         GtkAllocation        *allocation);

static gint source_window_delete_cb        (GtkWidget        *widget,

                                         GdkEventAny        *event,

                                         SourceWindow        *sourcewin);

static gboolean key_pressed                (GtkWidget        *widget,

                                         GdkEventKey        *event,

                                         SourceWindow        *sourcewin);

static void adj_value_changed                (GtkAdjustment        *adj,

                                         SourceWindow        *sourcewin);

static void source_window_init()

{

}

SourceWindow *source_window_create(void)

{

        SourceWindow *sourcewin;

        GtkWidget *window;

        GtkWidget *scrolledwin;

        GtkWidget *text;

        static PangoFontDescription *font_desc = NULL;

        debug_print(_("Creating source window...\n"));

        sourcewin = g_new0(SourceWindow, 1);

        window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

        gtk_window_set_title(GTK_WINDOW(window), _("Source of the message"));

        gtk_window_set_wmclass(GTK_WINDOW(window), "source_window", "Sylpheed");

        gtk_window_set_policy(GTK_WINDOW(window), TRUE, TRUE, FALSE);

        gtk_widget_set_size_request(window, prefs_common.sourcewin_width,

                                    prefs_common.sourcewin_height);

        g_signal_connect(G_OBJECT(window), "size_allocate",

                         G_CALLBACK(source_window_size_alloc_cb), sourcewin);

        g_signal_connect(G_OBJECT(window), "delete_event",

                         G_CALLBACK(source_window_delete_cb), sourcewin);

        g_signal_connect(G_OBJECT(window), "key_press_event",

                         G_CALLBACK(key_pressed), sourcewin);

        scrolledwin = gtk_scrolled_window_new(NULL, NULL);

        gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),

                                       GTK_POLICY_AUTOMATIC,

                                       GTK_POLICY_ALWAYS);

        gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),

                                            GTK_SHADOW_IN);

        gtk_container_add(GTK_CONTAINER(window), scrolledwin);

        gtk_widget_show(scrolledwin);

        text = gtk_text_view_new();

        gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);

        gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);

        gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);

        if (!font_desc && prefs_common.textfont)

                font_desc = pango_font_description_from_string

                        (prefs_common.textfont);

        if (font_desc)

                gtk_widget_modify_font(text, font_desc);

        gtk_container_add(GTK_CONTAINER(scrolledwin), text);

        gtk_widget_show(text);

        g_signal_connect(G_OBJECT(GTK_TEXT_VIEW(text)->vadjustment),

                         "value-changed",

                         G_CALLBACK(adj_value_changed), sourcewin);

        sourcewin->window = window;

        sourcewin->scrolledwin = scrolledwin;

        sourcewin->text = text;

        source_window_init();

        return sourcewin;

}

void source_window_show(SourceWindow *sourcewin)

{

        gtk_widget_show_all(sourcewin->window);

}

void source_window_destroy(SourceWindow *sourcewin)

{

        gtk_widget_destroy(sourcewin->window);

        g_free(sourcewin);

}

void source_window_show_msg(SourceWindow *sourcewin, MsgInfo *msginfo)

{

        gchar *file;

        gchar *title;

        FILE *fp;

        gchar buf[BUFFSIZE];

        GtkTextBuffer *buffer;

        GtkTextIter iter;

        g_return_if_fail(msginfo != NULL);

        file = procmsg_get_message_file(msginfo);

        g_return_if_fail(file != NULL);

        if ((fp = g_fopen(file, "rb")) == NULL) {

                FILE_OP_ERROR(file, "fopen");

                g_free(file);

                return;

        }

        debug_print(_("Displaying the source of %s ...\n"), file);

        title = g_strdup_printf(_("%s - Source"), file);

        gtk_window_set_title(GTK_WINDOW(sourcewin->window), title);

        g_free(title);

        g_free(file);

        while (fgets(buf, sizeof(buf), fp) != NULL)

                source_window_append(sourcewin, buf);

        fclose(fp);

        buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(sourcewin->text));

        gtk_text_buffer_get_start_iter(buffer, &iter);

        gtk_text_buffer_place_cursor(buffer, &iter);

}

void source_window_append(SourceWindow *sourcewin, const gchar *str)

{

        GtkTextView *text = GTK_TEXT_VIEW(sourcewin->text);

        GtkTextBuffer *buffer;

        GtkTextIter iter;

        gchar *out;

        buffer = gtk_text_view_get_buffer(text);

        out = conv_utf8todisp(str, NULL);

        gtk_text_buffer_get_iter_at_offset(buffer, &iter, -1);

        gtk_text_buffer_insert(buffer, &iter, out, -1);

        g_free(out);

}

static void source_window_size_alloc_cb(GtkWidget *widget,

                                        GtkAllocation *allocation)

{

        g_return_if_fail(allocation != NULL);

        prefs_common.sourcewin_width  = allocation->width;

        prefs_common.sourcewin_height = allocation->height;

}

static gint source_window_delete_cb(GtkWidget *widget, GdkEventAny *event,

                                    SourceWindow *sourcewin)

{

        source_window_destroy(sourcewin);

        return TRUE;

}

static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,

                            SourceWindow *sourcewin)

{

        if (event && event->keyval == GDK_Escape) {

                source_window_destroy(sourcewin);

                return TRUE;

        }

        return FALSE;

}

static void adj_value_changed(GtkAdjustment *adj, SourceWindow *sourcewin)

{

        GtkTextBuffer *buffer;

        buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(sourcewin->text));

        if (gtk_text_buffer_get_selection_bounds(buffer, NULL, NULL))

                return;

        gtk_text_view_place_cursor_onscreen(GTK_TEXT_VIEW(sourcewin->text));

}