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                 dwindow->parent_modal = gtk_window_get_modal(GTK_WINDOW(dwindow->parent));
  56 #ifndef G_OS_WIN32
  57                 gtk_window_set_modal(GTK_WINDOW(dwindow->parent), TRUE);
  58 #else
  59                 gtk_window_set_modal(GTK_WINDOW(dwindow->window), TRUE);
  60 #endif
  61                 gtk_window_set_destroy_with_parent(GTK_WINDOW(dwindow->window), TRUE);
  62                 gtk_widget_show(dwindow->window);
  63
  64                 /* in case the description window is closed using the WM's [X] button */
  65                 g_signal_connect(G_OBJECT(dwindow->window), "destroy",
  66                                 G_CALLBACK(gtk_widget_destroyed), &dwindow->window);
  67
  68         } else g_print("windows exist\n");
  69 }
  70
  71 static void description_create(DescriptionWindow * dwindow)
  72 {
  73         GtkWidget *hbox;
  74         GtkWidget *label;
  75         GtkWidget *vbox;
  76         GtkWidget *table;
  77         GtkWidget *hbbox;
  78         GtkWidget *close_btn;
  79         GtkWidget *scrolledwin;
  80         int i;
  81         int sz;
  82         int line;
  83         int j;
  84         int *max_width = g_new0(int, dwindow->columns), width=0;
  85         GtkRequisition req;
  86
  87         dwindow->window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "description_window");
  88
  89         gtk_window_set_title(GTK_WINDOW(dwindow->window),
  90                              gettext(dwindow->title));
  91         gtk_container_set_border_width(GTK_CONTAINER(dwindow->window), 8);
  92         gtk_window_set_resizable(GTK_WINDOW(dwindow->window), TRUE);
  93
  94         /* Check number of lines to be show */
  95         sz = 0;
  96         for (i = 0; dwindow->symbol_table[i] != NULL; i = i + dwindow->columns) {
  97                 sz++;
  98         }
  99
 100         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 101         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 102                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 103
 104         table = gtk_table_new(sz, dwindow->columns, FALSE);
 105         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolledwin), table);
 106         gtk_container_set_border_width(GTK_CONTAINER(table), 4);
 107
 108         gtk_table_set_col_spacings(GTK_TABLE(table), 8);
 109
 110         line = 0;
 111         for(i = 0; dwindow->symbol_table[i] != NULL; i = i + dwindow->columns) {
 112                 if(dwindow->symbol_table[i][0] != '\0') {
 113                         GtkWidget *label;
 114
 115                         for (j = 0; j < dwindow->columns; j++) {
 116                                 gint col = j;
 117                                 gint colend = j+1;
 118                                 /* Expand using next NULL columns */
 119                                 while ((colend < dwindow->columns) &&
 120                                        (dwindow->symbol_table[i+colend] == NULL)) {
 121                                        colend++;
 122                                        j++;
 123                                 }
 124                                 label = gtk_label_new(gettext(dwindow->symbol_table[i+col]));
 125                                 gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 126                                 gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 127                                 gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
 128                                 gtk_misc_set_alignment (GTK_MISC(label), 0, 0);
 129                                 gtk_table_attach(GTK_TABLE(table), label,
 130                                                  col, colend, line, line+1,
 131                                                  (GtkAttachOptions) (GTK_FILL),
 132                                                  (GtkAttachOptions) (0), 0, 2);
 133
 134                                 gtk_widget_size_request(label, &req);
 135                                 if(req.width > max_width[j])
 136                                         max_width[j] = req.width;
 137                         }
 138                 } else {
 139                         GtkWidget *separator;
 140
 141                         separator = gtk_hseparator_new();
 142                         gtk_table_attach(GTK_TABLE(table), separator,
 143                                          0, dwindow->columns, line, line+1,
 144                                          (GtkAttachOptions) (GTK_FILL),
 145                                          (GtkAttachOptions) (0), 0, 4);
 146                 }
 147                 line++;
 148         }
 149
 150         for(j=0; j<dwindow->columns; j++)
 151                 width += max_width[j];
 152
 153         g_free(max_width);
 154         width += 100;
 155
 156         gtkut_stock_button_set_create(&hbbox, &close_btn, GTK_STOCK_CLOSE,
 157                                       NULL, NULL, NULL, NULL);
 158
 159         vbox = gtk_vbox_new(FALSE, VSPACING_NARROW);
 160         gtk_container_add(GTK_CONTAINER(dwindow->window), vbox);
 161
 162         hbox = gtk_hbox_new(FALSE, 0);
 163         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 164
 165         label = gtk_label_new(gettext(dwindow->description));
 166         gtk_widget_set_size_request(GTK_WIDGET(label), width-2, -1);
 167         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 168         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 169         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
 170
 171         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(scrolledwin),
 172                            TRUE, TRUE, 0);
 173         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(hbbox),
 174                            FALSE, FALSE, 3);
 175
 176         gtk_widget_grab_default(close_btn);
 177
 178         g_signal_connect(G_OBJECT(close_btn), "clicked",
 179                          G_CALLBACK(description_window_destroy), dwindow);
 180         g_signal_connect(G_OBJECT(dwindow->window), "key_press_event",
 181                          G_CALLBACK(description_window_key_pressed), dwindow);
 182         g_signal_connect(G_OBJECT(dwindow->window), "focus_in_event",
 183                          G_CALLBACK(description_window_focus_in_event), NULL);
 184         g_signal_connect(G_OBJECT(dwindow->window), "focus_out_event",
 185                          G_CALLBACK(description_window_focus_out_event), NULL);
 186         g_signal_connect(G_OBJECT(dwindow->window), "delete_event",
 187                          G_CALLBACK(description_window_destroy), dwindow);
 188
 189         if(dwindow->parent)
 190                 g_signal_connect(G_OBJECT(dwindow->parent), "hide",
 191                         G_CALLBACK(description_window_destroy), dwindow);
 192
 193         gtk_widget_show_all(vbox);
 194         gtk_widget_set_size_request(dwindow->window,
 195                                (width < 400) ? 400 : width, 450);
 196 }
 197
 198 static gboolean description_window_key_pressed(GtkWidget *widget,
 199                                                GdkEventKey *event,
 200                                                gpointer data)
 201 {
 202         if (event && event->keyval == GDK_KEY_Escape)
 203                 description_window_destroy(widget, data);
 204         return FALSE;
 205 }
 206
 207 static gboolean description_window_focus_in_event (GtkWidget *widget,
 208                                                    GdkEventFocus *event,
 209                                                    gpointer data)
 210 {
 211         if (gtk_grab_get_current() != widget)
 212                 gtk_grab_add(GTK_WIDGET(widget));
 213
 214         return FALSE;
 215 }
 216
 217 static gboolean description_window_focus_out_event (GtkWidget *widget,
 218                                                    GdkEventFocus *event,
 219                                                    gpointer data)
 220 {
 221         gtk_grab_remove(GTK_WIDGET(widget));
 222
 223         return FALSE;
 224 }
 225
 226 static void description_window_destroy (GtkWidget *widget, gpointer data)
 227 {
 228         DescriptionWindow *dwindow = (DescriptionWindow *) data;
 229
 230         if(dwindow->window) {
 231                 gtk_widget_hide(dwindow->window);
 232                 gtk_widget_destroy(dwindow->window);
 233                 dwindow->window = NULL;
 234         }
 235
 236         if(dwindow->parent) {
 237                 if (GTK_IS_WINDOW(dwindow->parent))
 238                         gtk_window_set_modal(GTK_WINDOW(dwindow->parent), dwindow->parent_modal);
 239                 g_signal_handlers_disconnect_by_func(G_OBJECT(dwindow->parent),
 240                                         description_window_destroy, dwindow->parent);
 241         }
 242 }