src/gtk/description_window.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 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 #include "claws-features.h"
  23 #endif
  24
  25 #include <glib.h>
  26 #include <glib/gi18n.h>
  27 #include <gtk/gtk.h>
  28 #include <gdk/gdkkeysyms.h>
  29
  30 #include "defs.h"
  31 #include "manage_window.h"
  32 #include "description_window.h"
  33 #include "gtkutils.h"
  34 #include "prefs_gtk.h"
  35
  36 static void description_create                          (DescriptionWindow *dwindow);
  37 static gboolean description_window_key_pressed          (GtkWidget *widget,
  38                                                          GdkEventKey *event,
  39                                                          gpointer data);
  40 static gboolean description_window_focus_in_event       (GtkWidget *widget,
  41                                                          GdkEventFocus *event,
  42                                                          gpointer data);
  43 static gboolean description_window_focus_out_event      (GtkWidget *widget,
  44                                                          GdkEventFocus *event,
  45                                                          gpointer data);
  46 static void description_window_destroy                  (GtkWidget *parent,
  47                                                          gpointer data);
  48
  49 void description_window_create(DescriptionWindow *dwindow)
  50 {
  51         if (!dwindow->window) {
  52                 description_create(dwindow);
  53
  54                 gtk_window_set_transient_for(GTK_WINDOW(dwindow->window), GTK_WINDOW(dwindow->parent));
  55                 gtk_window_set_modal(GTK_WINDOW(dwindow->parent), TRUE);
  56                 gtk_window_set_destroy_with_parent(GTK_WINDOW(dwindow->window), TRUE);
  57                 gtk_widget_show(dwindow->window);
  58
  59                 /* in case the description window is closed using the WM's [X] button */
  60                 g_signal_connect(G_OBJECT(dwindow->window), "destroy",
  61                                 G_CALLBACK(gtk_widget_destroyed), &dwindow->window);
  62
  63         } else g_print("windows exist\n");
  64 }
  65
  66 static void description_create(DescriptionWindow * dwindow)
  67 {
  68         GtkWidget *hbox;
  69         GtkWidget *label;
  70         GtkWidget *vbox;
  71         GtkWidget *table;
  72         GtkWidget *hbbox;
  73         GtkWidget *close_btn;
  74         GtkWidget *scrolledwin;
  75         int i;
  76         int sz;
  77         int line;
  78         int j;
  79         int *max_width = g_new0(int, dwindow->columns), width=0;
  80         GtkRequisition req;
  81
  82         dwindow->window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "description_window");
  83
  84         gtk_window_set_title(GTK_WINDOW(dwindow->window),
  85                              gettext(dwindow->title));
  86         gtk_container_set_border_width(GTK_CONTAINER(dwindow->window), 8);
  87         gtk_window_set_resizable(GTK_WINDOW(dwindow->window), TRUE);
  88
  89         /* Check number of lines to be show */
  90         sz = 0;
  91         for (i = 0; dwindow->symbol_table[i] != NULL; i = i + dwindow->columns) {
  92                 sz++;
  93         }
  94
  95         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
  96         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
  97                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
  98
  99         table = gtk_table_new(sz, dwindow->columns, FALSE);
 100         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolledwin), table);
 101         gtk_container_set_border_width(GTK_CONTAINER(table), 4);
 102
 103         gtk_table_set_col_spacings(GTK_TABLE(table), 8);
 104
 105         line = 0;
 106         for(i = 0; dwindow->symbol_table[i] != NULL; i = i + dwindow->columns) {
 107                 if(dwindow->symbol_table[i][0] != '\0') {
 108                         GtkWidget *label;
 109
 110                         for (j = 0; j < dwindow->columns; j++) {
 111                                 gint col = j;
 112                                 gint colend = j+1;
 113                                 /* Expand using next NULL columns */
 114                                 while ((colend < dwindow->columns) &&
 115                                        (dwindow->symbol_table[i+colend] == NULL)) {
 116                                        colend++;
 117                                        j++;
 118                                 }
 119                                 label = gtk_label_new(gettext(dwindow->symbol_table[i+col]));
 120                                 gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 121                                 gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 122                                 gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
 123                                 gtk_misc_set_alignment (GTK_MISC(label), 0, 0);
 124                                 gtk_table_attach(GTK_TABLE(table), label,
 125                                                  col, colend, line, line+1,
 126                                                  (GtkAttachOptions) (GTK_FILL),
 127                                                  (GtkAttachOptions) (0), 0, 2);
 128
 129                                 gtk_widget_size_request(label, &req);
 130                                 if(req.width > max_width[j])
 131                                         max_width[j] = req.width;
 132                         }
 133                 } else {
 134                         GtkWidget *separator;
 135
 136                         separator = gtk_hseparator_new();
 137                         gtk_table_attach(GTK_TABLE(table), separator,
 138                                          0, dwindow->columns, line, line+1,
 139                                          (GtkAttachOptions) (GTK_FILL),
 140                                          (GtkAttachOptions) (0), 0, 4);
 141                 }
 142                 line++;
 143         }
 144
 145         for(j=0; j<dwindow->columns; j++)
 146                 width += max_width[j];
 147
 148         g_free(max_width);
 149         width += 100;
 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), 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);
 175         g_signal_connect(G_OBJECT(dwindow->window), "key_press_event",
 176                          G_CALLBACK(description_window_key_pressed), dwindow);
 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);
 183
 184         if(dwindow->parent)
 185                 g_signal_connect(G_OBJECT(dwindow->parent), "hide",
 186                         G_CALLBACK(description_window_destroy), dwindow);
 187
 188         gtk_widget_show_all(vbox);
 189         gtk_widget_set_size_request(dwindow->window,
 190                                (width < 400) ? 400 : 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_KEY_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 data)
 222 {
 223         DescriptionWindow *dwindow = (DescriptionWindow *) data;
 224
 225         if(dwindow->window) {
 226                 gtk_widget_hide(dwindow->window);
 227                 gtk_widget_destroy(dwindow->window);
 228                 dwindow->window = NULL;
 229         }
 230
 231         if(dwindow->parent)
 232                 g_signal_handlers_disconnect_by_func(G_OBJECT(dwindow->parent),
 233                                         description_window_destroy, dwindow->parent);
 234 }