src/sourcewindow.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2005 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkwindow.h>
  27 #include <gtk/gtksignal.h>
  28 #include <gtk/gtkscrolledwindow.h>
  29 #include <gtk/gtktext.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33
  34 #include "sourcewindow.h"
  35 #include "utils.h"
  36 #include "gtkutils.h"
  37 #include "prefs_common.h"
  38
  39 static void source_window_size_alloc_cb (GtkWidget      *widget,
  40                                          GtkAllocation  *allocation);
  41 static void source_window_destroy_cb    (GtkWidget      *widget,
  42                                          SourceWindow   *sourcewin);
  43 static gboolean key_pressed             (GtkWidget      *widget,
  44                                          GdkEventKey    *event,
  45                                          SourceWindow   *sourcewin);
  46
  47 static void source_window_init()
  48 {
  49 }
  50
  51 SourceWindow *source_window_create(void)
  52 {
  53         SourceWindow *sourcewin;
  54         GtkWidget *window;
  55         GtkWidget *scrolledwin;
  56         GtkWidget *text;
  57         static PangoFontDescription *font_desc = NULL;
  58
  59         static GdkGeometry geometry;
  60
  61         debug_print("Creating source window...\n");
  62         sourcewin = g_new0(SourceWindow, 1);
  63
  64         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  65         gtk_window_set_title(GTK_WINDOW(window), _("Source of the message"));
  66         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
  67         gtk_widget_set_size_request(window, prefs_common.sourcewin_width,
  68                                     prefs_common.sourcewin_height);
  69
  70         if (!geometry.min_height) {
  71                 geometry.min_width = 400;
  72                 geometry.min_height = 320;
  73         }
  74         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
  75                                       GDK_HINT_MIN_SIZE);
  76
  77         g_signal_connect(G_OBJECT(window), "size_allocate",
  78                          G_CALLBACK(source_window_size_alloc_cb),
  79                          sourcewin);
  80         g_signal_connect(G_OBJECT(window), "destroy",
  81                          G_CALLBACK(source_window_destroy_cb),
  82                          sourcewin);
  83         g_signal_connect(G_OBJECT(window), "key_press_event",
  84                          G_CALLBACK(key_pressed), sourcewin);
  85         gtk_widget_realize(window);
  86
  87         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
  88         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
  89                                        GTK_POLICY_AUTOMATIC,
  90                                        GTK_POLICY_AUTOMATIC);
  91         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
  92                                             GTK_SHADOW_IN);
  93         gtk_container_add(GTK_CONTAINER(window), scrolledwin);
  94         gtk_widget_show(scrolledwin);
  95
  96         text = gtk_text_view_new();
  97         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
  98         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
  99         if (!font_desc && prefs_common.textfont)
 100                 font_desc = pango_font_description_from_string
 101                                         (prefs_common.textfont);
 102         if (font_desc)
 103                 gtk_widget_modify_font(text, font_desc);
 104         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 105         gtk_widget_show(text);
 106
 107         sourcewin->window = window;
 108         sourcewin->scrolledwin = scrolledwin;
 109         sourcewin->text = text;
 110
 111         source_window_init();
 112
 113         return sourcewin;
 114 }
 115
 116 void source_window_show(SourceWindow *sourcewin)
 117 {
 118         gtk_widget_show_all(sourcewin->window);
 119 }
 120
 121 void source_window_destroy(SourceWindow *sourcewin)
 122 {
 123         g_free(sourcewin);
 124 }
 125
 126 void source_window_show_msg(SourceWindow *sourcewin, MsgInfo *msginfo)
 127 {
 128         gchar *file;
 129         gchar *title;
 130         FILE *fp;
 131         gchar buf[BUFFSIZE];
 132
 133         g_return_if_fail(msginfo != NULL);
 134
 135         file = procmsg_get_message_file(msginfo);
 136         g_return_if_fail(file != NULL);
 137
 138         if ((fp = fopen(file, "rb")) == NULL) {
 139                 FILE_OP_ERROR(file, "fopen");
 140                 g_free(file);
 141                 return;
 142         }
 143
 144         debug_print("Displaying the source of %s ...\n", file);
 145
 146         title = g_strdup_printf(_("%s - Source"), file);
 147         gtk_window_set_title(GTK_WINDOW(sourcewin->window), title);
 148         g_free(title);
 149         g_free(file);
 150
 151         while (fgets(buf, sizeof(buf), fp) != NULL)
 152                 source_window_append(sourcewin, buf);
 153
 154         fclose(fp);
 155 }
 156
 157 void source_window_append(SourceWindow *sourcewin, const gchar *str)
 158 {
 159         GtkTextView *text = GTK_TEXT_VIEW(sourcewin->text);
 160         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
 161         GtkTextIter iter;
 162         gchar *out;
 163         gint len;
 164
 165         len = strlen(str) + 1;
 166         Xalloca(out, len, return);
 167         conv_utf8todisp(out, len, str);
 168
 169         gtk_text_buffer_get_iter_at_offset(buffer, &iter, -1);
 170         gtk_text_buffer_insert(buffer, &iter, out, -1);
 171 }
 172
 173 static void source_window_size_alloc_cb(GtkWidget *widget,
 174                                         GtkAllocation *allocation)
 175 {
 176         g_return_if_fail(allocation != NULL);
 177
 178         prefs_common.sourcewin_width  = allocation->width;
 179         prefs_common.sourcewin_height = allocation->height;
 180 }
 181
 182 static void source_window_destroy_cb(GtkWidget *widget,
 183                                      SourceWindow *sourcewin)
 184 {
 185         source_window_destroy(sourcewin);
 186 }
 187
 188 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
 189                             SourceWindow *sourcewin)
 190 {
 191
 192         if (!event || !sourcewin) return FALSE;
 193
 194         switch (event->keyval) {
 195         case GDK_A:
 196         case GDK_a:
 197                 if ((event->state & GDK_CONTROL_MASK) != 0)
 198                         gtk_editable_select_region(GTK_EDITABLE(sourcewin->text), 0, -1);
 199                 break;
 200         case GDK_W:
 201         case GDK_w:
 202                 if ((event->state & GDK_CONTROL_MASK) != 0)
 203                         gtk_widget_destroy(sourcewin->window);
 204                 break;
 205         case GDK_Escape:
 206                 gtk_widget_destroy(sourcewin->window);
 207                 break;
 208         }
 209
 210         return FALSE;
 211 }