src/gtk/description_window.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2011 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_modal(GTK_WINDOW(dwindow->parent), FALSE);
  54                 gtk_window_set_destroy_with_parent(GTK_WINDOW(dwindow->window), TRUE);
  55                 gtk_widget_show(dwindow->window);
  56
  57                 /* in case the description window is closed using the WM's [X] button */
  58                 g_signal_connect(G_OBJECT(dwindow->window), "destroy",
  59                                 G_CALLBACK(gtk_widget_destroyed), &dwindow->window);
  60
  61         } else g_print("windows exist\n");
  62 }
  63
  64 static void description_create(DescriptionWindow * dwindow)
  65 {
  66         GtkWidget *hbox;
  67         GtkWidget *label;
  68         GtkWidget *vbox;
  69         GtkWidget *table;
  70         GtkWidget *hbbox;
  71         GtkWidget *close_btn;
  72         GtkWidget *scrolledwin;
  73         int i;
  74         int sz;
  75         int line;
  76         int j;
  77         int *max_width = g_new0(int, dwindow->columns), width=0;
  78         GtkRequisition req;
  79
  80         dwindow->window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "description_window");
  81
  82         gtk_window_set_title(GTK_WINDOW(dwindow->window),
  83                              gettext(dwindow->title));
  84         gtk_container_set_border_width(GTK_CONTAINER(dwindow->window), 8);
  85         gtk_window_set_resizable(GTK_WINDOW(dwindow->window), TRUE);
  86
  87         /* Check number of lines to be show */
  88         sz = 0;
  89         for (i = 0; dwindow->symbol_table[i] != NULL; i = i + dwindow->columns) {
  90                 sz++;
  91         }
  92
  93         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
  94         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
  95                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
  96
  97         table = gtk_table_new(sz, dwindow->columns, FALSE);
  98         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolledwin), table);
  99         gtk_container_set_border_width(GTK_CONTAINER(table), 4);
 100
 101         gtk_table_set_col_spacings(GTK_TABLE(table), 8);
 102
 103         line = 0;
 104         for(i = 0; dwindow->symbol_table[i] != NULL; i = i + dwindow->columns) {
 105                 if(dwindow->symbol_table[i][0] != '\0') {
 106                         GtkWidget *label;
 107
 108                         for (j = 0; j < dwindow->columns; j++) {
 109                                 gint col = j;
 110                                 gint colend = j+1;
 111                                 /* Expand using next NULL columns */
 112                                 while ((colend < dwindow->columns) &&
 113                                        (dwindow->symbol_table[i+colend] == NULL)) {
 114                                        colend++;
 115                                        j++;
 116                                 }
 117                                 label = gtk_label_new(gettext(dwindow->symbol_table[i+col]));
 118                                 gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 119                                 gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 120                                 gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
 121                                 gtk_misc_set_alignment (GTK_MISC(label), 0, 0);
 122                                 gtk_table_attach(GTK_TABLE(table), label,
 123                                                  col, colend, line, line+1,
 124                                                  (GtkAttachOptions) (GTK_FILL),
 125                                                  (GtkAttachOptions) (0), 0, 2);
 126
 127                                 gtk_widget_size_request(label, &req);
 128                                 if(req.width > max_width[j])
 129                                         max_width[j] = req.width;
 130                         }
 131                 } else {
 132                         GtkWidget *separator;
 133
 134                         separator = gtk_hseparator_new();
 135                         gtk_table_attach(GTK_TABLE(table), separator,
 136                                          0, dwindow->columns, line, line+1,
 137                                          (GtkAttachOptions) (GTK_FILL),
 138                                          (GtkAttachOptions) (0), 0, 4);
 139                 }
 140                 line++;
 141         }
 142
 143         for(j=0; j<dwindow->columns; j++)
 144                 width += max_width[j];
 145
 146         g_free(max_width);
 147         width += 100;
 148
 149         gtkut_stock_button_set_create(&hbbox, &close_btn, GTK_STOCK_CLOSE,
 150                                       NULL, NULL, NULL, NULL);
 151
 152         vbox = gtk_vbox_new(FALSE, VSPACING_NARROW);
 153         gtk_container_add(GTK_CONTAINER(dwindow->window), vbox);
 154
 155         hbox = gtk_hbox_new(FALSE, 0);
 156         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 157
 158         label = gtk_label_new(gettext(dwindow->description));
 159         gtk_widget_set_size_request(GTK_WIDGET(label), width-2, -1);
 160         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 161         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 162         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
 163
 164         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(scrolledwin),
 165                            TRUE, TRUE, 0);
 166         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(hbbox),
 167                            FALSE, FALSE, 3);
 168
 169         gtk_widget_grab_default(close_btn);
 170
 171         g_signal_connect(G_OBJECT(close_btn), "clicked",
 172                          G_CALLBACK(description_window_destroy), dwindow);
 173         g_signal_connect(G_OBJECT(dwindow->window), "key_press_event",
 174                          G_CALLBACK(description_window_key_pressed), dwindow);
 175         g_signal_connect(G_OBJECT(dwindow->window), "focus_in_event",
 176                          G_CALLBACK(description_window_focus_in_event), NULL);
 177         g_signal_connect(G_OBJECT(dwindow->window), "focus_out_event",
 178                          G_CALLBACK(description_window_focus_out_event), NULL);
 179         g_signal_connect(G_OBJECT(dwindow->window), "delete_event",
 180                          G_CALLBACK(description_window_destroy), dwindow);
 181
 182         if(dwindow->parent)
 183                 g_signal_connect(G_OBJECT(dwindow->parent), "hide",
 184                         G_CALLBACK(description_window_destroy), dwindow);
 185
 186         gtk_widget_show_all(vbox);
 187         gtk_widget_set_size_request(dwindow->window,
 188                                (width < 400) ? 400 : width, 450);
 189 }
 190
 191 static gboolean description_window_key_pressed(GtkWidget *widget,
 192                                                GdkEventKey *event,
 193                                                gpointer data)
 194 {
 195         if (event && event->keyval == GDK_KEY_Escape)
 196                 description_window_destroy(widget, data);
 197         return FALSE;
 198 }
 199
 200 static gboolean description_window_focus_in_event (GtkWidget *widget,
 201                                                    GdkEventFocus *event,
 202                                                    gpointer data)
 203 {
 204         if (gtk_grab_get_current() != widget)
 205                 gtk_grab_add(GTK_WIDGET(widget));
 206
 207         return FALSE;
 208 }
 209
 210 static gboolean description_window_focus_out_event (GtkWidget *widget,
 211                                                    GdkEventFocus *event,
 212                                                    gpointer data)
 213 {
 214         gtk_grab_remove(GTK_WIDGET(widget));
 215
 216         return FALSE;
 217 }
 218
 219 static void description_window_destroy (GtkWidget *widget, gpointer data)
 220 {
 221         DescriptionWindow *dwindow = (DescriptionWindow *) data;
 222
 223         if(dwindow->window) {
 224                 gtk_widget_hide(dwindow->window);
 225                 gtk_widget_destroy(dwindow->window);
 226                 dwindow->window = NULL;
 227         }
 228
 229         if(dwindow->parent)
 230                 g_signal_handlers_disconnect_by_func(G_OBJECT(dwindow->parent),
 231                                         description_window_destroy, dwindow->parent);
 232 }