src/gtk/description_window.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2022 the Claws Mail team and 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 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 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.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 "defs.h"
  30 #include "manage_window.h"
  31 #include "description_window.h"
  32 #include "gtkutils.h"
  33 #include "prefs_gtk.h"
  34
  35 static void description_create                          (DescriptionWindow *dwindow);
  36 static gboolean description_window_key_pressed          (GtkWidget *widget,
  37                                                          GdkEventKey *event,
  38                                                          gpointer data);
  39 static gboolean description_window_focus_in_event       (GtkWidget *widget,
  40                                                          GdkEventFocus *event,
  41                                                          gpointer data);
  42 static gboolean description_window_focus_out_event      (GtkWidget *widget,
  43                                                          GdkEventFocus *event,
  44                                                          gpointer data);
  45 static void description_window_destroy                  (GtkWidget *parent,
  46                                                          gpointer data);
  47
  48 void description_window_create(DescriptionWindow *dwindow)
  49 {
  50         if (!dwindow->window) {
  51                 description_create(dwindow);
  52
  53                 gtk_window_set_transient_for(GTK_WINDOW(dwindow->window), GTK_WINDOW(dwindow->parent));
  54                 dwindow->parent_modal = gtk_window_get_modal(GTK_WINDOW(dwindow->parent));
  55 #ifndef G_OS_WIN32
  56                 gtk_window_set_modal(GTK_WINDOW(dwindow->parent), TRUE);
  57 #else
  58                 gtk_window_set_modal(GTK_WINDOW(dwindow->window), TRUE);
  59 #endif
  60                 gtk_window_set_destroy_with_parent(GTK_WINDOW(dwindow->window), TRUE);
  61                 gtk_widget_show(dwindow->window);
  62
  63         } else g_print("window exists\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         gtk_window_set_type_hint(GTK_WINDOW(dwindow->window), GDK_WINDOW_TYPE_HINT_DIALOG);
  89
  90         /* Check number of lines to be show */
  91         sz = 0;
  92         for (i = 0; dwindow->symbol_table[i] != NULL; i = i + dwindow->columns) {
  93                 sz++;
  94         }
  95
  96         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
  97         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
  98                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
  99
 100         table = gtk_grid_new();
 101         gtk_container_add(GTK_CONTAINER(scrolledwin), table);
 102         gtk_container_set_border_width(GTK_CONTAINER(table), 4);
 103
 104         line = 0;
 105         for(i = 0; dwindow->symbol_table[i] != NULL; i = i + dwindow->columns) {
 106                 if(dwindow->symbol_table[i][0] != '\0') {
 107                         GtkWidget *label;
 108
 109                         for (j = 0; j < dwindow->columns; j++) {
 110                                 gint col = j;
 111                                 gint colend = j+1;
 112                                 /* Expand using next NULL columns */
 113                                 while ((colend < dwindow->columns) &&
 114                                        (dwindow->symbol_table[i+colend] == NULL)) {
 115                                        colend++;
 116                                        j++;
 117                                 }
 118                                 label = gtk_label_new(gettext(dwindow->symbol_table[i+col]));
 119                                 gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 120                                 gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 121                                 gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
 122                                 gtk_label_set_xalign(GTK_LABEL(label), 0.0);
 123                                 gtk_label_set_yalign(GTK_LABEL(label), 0.0);
 124                                 gtk_widget_set_margin_end(GTK_WIDGET(label), 12);
 125                                 gtk_grid_attach(GTK_GRID(table), label, col, line, 1, 1);
 126
 127                                 gtk_widget_get_preferred_size(label, &req, NULL);
 128                                 if(req.width > max_width[j])
 129                                         max_width[j] = req.width;
 130                         }
 131                 } else {
 132                         GtkWidget *separator;
 133
 134                         separator = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
 135                         gtk_grid_attach(GTK_GRID(table), separator, 0, line, 1, 1);
 136                 }
 137                 line++;
 138         }
 139
 140         for(j=0; j<dwindow->columns; j++)
 141                 width += max_width[j];
 142
 143         g_free(max_width);
 144         width += 100;
 145
 146         gtkut_stock_button_set_create(&hbbox, &close_btn, "window-close", _("_Close"),
 147                                       NULL, NULL, NULL, NULL, NULL, NULL);
 148
 149         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, VSPACING_NARROW);
 150         gtk_container_add(GTK_CONTAINER(dwindow->window), vbox);
 151
 152         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 153         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 154
 155         label = gtk_label_new(gettext(dwindow->description));
 156         gtk_widget_set_size_request(GTK_WIDGET(label), width-2, -1);
 157         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 158         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 159         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
 160
 161         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(scrolledwin),
 162                            TRUE, TRUE, 0);
 163         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(hbbox),
 164                            FALSE, FALSE, 3);
 165
 166         gtk_widget_grab_default(close_btn);
 167
 168         g_signal_connect(G_OBJECT(close_btn), "clicked",
 169                          G_CALLBACK(description_window_destroy), dwindow);
 170         g_signal_connect(G_OBJECT(dwindow->window), "key_press_event",
 171                          G_CALLBACK(description_window_key_pressed), dwindow);
 172         g_signal_connect(G_OBJECT(dwindow->window), "focus_in_event",
 173                          G_CALLBACK(description_window_focus_in_event), NULL);
 174         g_signal_connect(G_OBJECT(dwindow->window), "focus_out_event",
 175                          G_CALLBACK(description_window_focus_out_event), NULL);
 176         g_signal_connect(G_OBJECT(dwindow->window), "destroy",
 177                          G_CALLBACK(description_window_destroy), dwindow);
 178
 179         if(dwindow->parent)
 180                 g_signal_connect(G_OBJECT(dwindow->parent), "hide",
 181                         G_CALLBACK(description_window_destroy), dwindow);
 182
 183         gtk_widget_show_all(vbox);
 184         gtk_widget_set_size_request(dwindow->window,
 185                                (width < 400) ? 400 : width, 450);
 186 }
 187
 188 static gboolean description_window_key_pressed(GtkWidget *widget,
 189                                                GdkEventKey *event,
 190                                                gpointer data)
 191 {
 192         if (event && event->keyval == GDK_KEY_Escape)
 193                 description_window_destroy(widget, data);
 194         return FALSE;
 195 }
 196
 197 static gboolean description_window_focus_in_event (GtkWidget *widget,
 198                                                    GdkEventFocus *event,
 199                                                    gpointer data)
 200 {
 201         if (gtk_grab_get_current() != widget)
 202                 gtk_grab_add(GTK_WIDGET(widget));
 203
 204         return FALSE;
 205 }
 206
 207 static gboolean description_window_focus_out_event (GtkWidget *widget,
 208                                                    GdkEventFocus *event,
 209                                                    gpointer data)
 210 {
 211         gtk_grab_remove(GTK_WIDGET(widget));
 212
 213         return FALSE;
 214 }
 215
 216 static void description_window_destroy (GtkWidget *widget, gpointer data)
 217 {
 218         DescriptionWindow *dwindow = (DescriptionWindow *) data;
 219
 220         if(dwindow->window) {
 221                 gtk_widget_hide(dwindow->window);
 222                 gtk_widget_destroy(dwindow->window);
 223                 dwindow->window = NULL;
 224         }
 225
 226         if(dwindow->parent) {
 227                 if (GTK_IS_WINDOW(dwindow->parent))
 228                         gtk_window_set_modal(GTK_WINDOW(dwindow->parent), dwindow->parent_modal);
 229                 g_signal_handlers_disconnect_by_func(G_OBJECT(dwindow->parent),
 230                                         description_window_destroy, dwindow->parent);
 231         }
 232 }