src/gtk/description_window.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include <glib.h>
  25 #include <glib/gi18n.h>
  26 #include <gtk/gtk.h>
  27 #include <gdk/gdkkeysyms.h>
  28
  29 #include "manage_window.h"
  30 #include "description_window.h"
  31 #include "gtkutils.h"
  32 #include "prefs_gtk.h"
  33
  34 static void description_create                          (DescriptionWindow *dwindow);
  35 static gboolean description_window_key_pressed          (GtkWidget *widget,
  36                                                          GdkEventKey *event,
  37                                                          gpointer data);
  38 static gboolean description_window_focus_in_event       (GtkWidget *widget,
  39                                                          GdkEventFocus *event,
  40                                                          gpointer data);
  41 static gboolean description_window_focus_out_event      (GtkWidget *widget,
  42                                                          GdkEventFocus *event,
  43                                                          gpointer data);
  44 static void description_window_destroy                  (GtkWidget *parent,
  45                                                          gpointer data);
  46
  47 void description_window_create(DescriptionWindow *dwindow)
  48 {
  49         if (!dwindow->window) {
  50                 description_create(dwindow);
  51
  52                 gtk_window_set_transient_for(GTK_WINDOW(dwindow->window), GTK_WINDOW(dwindow->parent));
  53                 gtk_window_set_destroy_with_parent(GTK_WINDOW(dwindow->window), TRUE);
  54                 gtk_widget_show(dwindow->window);
  55
  56                 /* in case the description window is closed using the WM's [X] button */
  57                 g_signal_connect(G_OBJECT(dwindow->window), "destroy",
  58                                 GTK_SIGNAL_FUNC(gtk_widget_destroyed), &dwindow->window);
  59
  60                 gtk_main();
  61
  62                 if (dwindow->window) {
  63                         gtk_widget_hide(dwindow->window);
  64                         gtk_widget_destroy(dwindow->window);
  65                         dwindow->window = NULL;
  66                 }
  67         } else g_print("windows exist\n");
  68 }
  69
  70 static void description_create(DescriptionWindow * dwindow)
  71 {
  72         GtkWidget *hbox;
  73         GtkWidget *label;
  74         GtkWidget *vbox;
  75         GtkWidget *table;
  76         GtkWidget *hbbox;
  77         GtkWidget *close_btn;
  78         GtkWidget *scrolledwin;
  79         int i;
  80         int sz;
  81         int line;
  82         int j;
  83         int max_width = 0;
  84         GtkRequisition req;
  85
  86         dwindow->window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "description_window");
  87
  88         gtk_window_set_title(GTK_WINDOW(dwindow->window),
  89                              gettext(dwindow->title));
  90         gtk_container_set_border_width(GTK_CONTAINER(dwindow->window), 8);
  91         gtk_window_set_resizable(GTK_WINDOW(dwindow->window), TRUE);
  92
  93         /* Check number of lines to be show */
  94         sz = 0;
  95         for (i = 0; dwindow->symbol_table[i] != NULL; i = i + dwindow->columns) {
  96                 sz++;
  97         }
  98
  99         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 100         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 101                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 102
 103         table = gtk_table_new(sz, dwindow->columns, FALSE);
 104         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolledwin), table);
 105         gtk_container_set_border_width(GTK_CONTAINER(table), 4);
 106
 107         gtk_table_set_col_spacings(GTK_TABLE(table), 8);
 108
 109         line = 0;
 110         for(i = 0; dwindow->symbol_table[i] != NULL; i = i + dwindow->columns) {
 111                 if(dwindow->symbol_table[i][0] != '\0') {
 112                         GtkWidget *label;
 113
 114                         for (j = 0; j < dwindow->columns; j++) {
 115                                 gint col = j;
 116                                 gint colend = j+1;
 117                                 /* Expand using next NULL columns */
 118                                 while ((colend < dwindow->columns) &&
 119                                        (dwindow->symbol_table[i+colend] == NULL)) {
 120                                        colend++;
 121                                        j++;
 122                                 }
 123                                 label = gtk_label_new(gettext(dwindow->symbol_table[i+col]));
 124                                 gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 125                                 gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 126                                 gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
 127                                 gtk_misc_set_alignment (GTK_MISC(label), 0, 0);
 128                                 gtk_table_attach(GTK_TABLE(table), label,
 129                                                  col, colend, line, line+1,
 130                                                  (GtkAttachOptions) (GTK_FILL),
 131                                                  (GtkAttachOptions) (0), 0, 2);
 132
 133                                 gtk_widget_size_request(label, &req);
 134                                 if(req.width > max_width)
 135                                         max_width = req.width;
 136                         }
 137                 } else {
 138                         GtkWidget *separator;
 139
 140                         separator = gtk_hseparator_new();
 141                         gtk_table_attach(GTK_TABLE(table), separator,
 142                                          0, dwindow->columns, line, line+1,
 143                                          (GtkAttachOptions) (GTK_FILL),
 144                                          (GtkAttachOptions) (0), 0, 4);
 145                 }
 146                 line++;
 147         }
 148
 149         max_width += 150;
 150
 151         gtkut_stock_button_set_create(&hbbox, &close_btn, GTK_STOCK_CLOSE,
 152                                       NULL, NULL, NULL, NULL);
 153
 154         vbox = gtk_vbox_new(FALSE, VSPACING_NARROW);
 155         gtk_container_add(GTK_CONTAINER(dwindow->window), vbox);
 156
 157         hbox = gtk_hbox_new(FALSE, 0);
 158         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 159
 160         label = gtk_label_new(gettext(dwindow->description));
 161         gtk_widget_set_size_request(GTK_WIDGET(label), max_width-2, -1);
 162         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 163         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 164         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
 165
 166         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(scrolledwin),
 167                            TRUE, TRUE, 0);
 168         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(hbbox),
 169                            FALSE, FALSE, 3);
 170
 171         gtk_widget_grab_default(close_btn);
 172
 173         g_signal_connect(G_OBJECT(close_btn), "clicked",
 174                          G_CALLBACK(description_window_destroy), dwindow->parent);
 175         g_signal_connect(G_OBJECT(dwindow->window), "key_press_event",
 176                          G_CALLBACK(description_window_key_pressed), dwindow->parent);
 177         g_signal_connect(G_OBJECT(dwindow->window), "focus_in_event",
 178                          G_CALLBACK(description_window_focus_in_event), NULL);
 179         g_signal_connect(G_OBJECT(dwindow->window), "focus_out_event",
 180                          G_CALLBACK(description_window_focus_out_event), NULL);
 181         g_signal_connect(G_OBJECT(dwindow->window), "delete_event",
 182                          G_CALLBACK(description_window_destroy), dwindow->parent);
 183
 184         if(dwindow->parent)
 185                 g_signal_connect(G_OBJECT(dwindow->parent), "hide",
 186                         G_CALLBACK(description_window_destroy), dwindow->parent);
 187
 188         gtk_widget_show_all(vbox);
 189         gtk_widget_set_size_request(dwindow->window,
 190                                (max_width < 400) ? 400 : max_width, 450);
 191 }
 192
 193 static gboolean description_window_key_pressed(GtkWidget *widget,
 194                                                GdkEventKey *event,
 195                                                gpointer data)
 196 {
 197         if (event && event->keyval == GDK_Escape)
 198                 description_window_destroy(widget, data);
 199         return FALSE;
 200 }
 201
 202 static gboolean description_window_focus_in_event (GtkWidget *widget,
 203                                                    GdkEventFocus *event,
 204                                                    gpointer data)
 205 {
 206         if (gtk_grab_get_current() != widget)
 207                 gtk_grab_add(GTK_WIDGET(widget));
 208
 209         return FALSE;
 210 }
 211
 212 static gboolean description_window_focus_out_event (GtkWidget *widget,
 213                                                    GdkEventFocus *event,
 214                                                    gpointer data)
 215 {
 216         gtk_grab_remove(GTK_WIDGET(widget));
 217
 218         return FALSE;
 219 }
 220
 221 static void description_window_destroy (GtkWidget *widget, gpointer parent)
 222 {
 223         if(parent)
 224                 g_signal_handlers_disconnect_by_func(G_OBJECT(parent),
 225                                               description_window_destroy, parent);
 226         gtk_main_quit();
 227 }