src/prefs_summary_column.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 "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtkmain.h>
  29 #include <gtk/gtkwindow.h>
  30 #include <gtk/gtkvbox.h>
  31 #include <gtk/gtkhbox.h>
  32 #include <gtk/gtkbutton.h>
  33 #include <gdk/gdkkeysyms.h>
  34
  35 #include "prefs_gtk.h"
  36 #include "prefs_common.h"
  37 #include "prefs_summary_column.h"
  38 #include "manage_window.h"
  39 #include "summaryview.h"
  40 #include "mainwindow.h"
  41 #include "inc.h"
  42 #include "gtkutils.h"
  43 #include "utils.h"
  44
  45 enum {
  46         SUMCOL_NAME,
  47         SUMCOL_TYPE,
  48         N_SUMCOL_COLUMNS
  49 };
  50
  51 #define TARGET_INFO_SUMCOL  (0xFEEDBABE)
  52
  53 static const GtkTargetEntry row_targets[] = {
  54         { "PREFS_SUM_COL_MODEL_ROW", GTK_TARGET_SAME_APP, TARGET_INFO_SUMCOL }
  55 };
  56
  57
  58 static struct _SummaryColumnDialog
  59 {
  60         GtkWidget *window;
  61
  62         GtkWidget *stock_list_view;
  63         GtkWidget *shown_list_view;
  64
  65         GtkWidget *add_btn;
  66         GtkWidget *remove_btn;
  67         GtkWidget *up_btn;
  68         GtkWidget *down_btn;
  69
  70         GtkWidget *default_btn;
  71
  72         GtkWidget *ok_btn;
  73         GtkWidget *cancel_btn;
  74
  75         gboolean finished;
  76 } summary_col;
  77
  78 static const gchar *const col_name[N_SUMMARY_COLS] = {
  79         N_("Mark"),             /* S_COL_MARK    */
  80         N_("Status"),           /* S_COL_STATUS  */
  81         N_("Attachment"),       /* S_COL_MIME    */
  82         N_("Subject"),          /* S_COL_SUBJECT */
  83         N_("From"),             /* S_COL_FROM    */
  84         N_("To"),               /* S_COL_TO      */
  85         N_("Date"),             /* S_COL_DATE    */
  86         N_("Size"),             /* S_COL_SIZE    */
  87         N_("Number"),           /* S_COL_NUMBER  */
  88         N_("Score"),            /* S_COL_SCORE   */
  89         N_("Locked"),           /* S_COL_LOCKED  */
  90         N_("Tags"),             /* S_COL_TAGS  */
  91 };
  92
  93 static SummaryColumnState default_state[N_SUMMARY_COLS] = {
  94         { S_COL_MARK   , TRUE  },
  95         { S_COL_STATUS , TRUE  },
  96         { S_COL_MIME   , TRUE  },
  97         { S_COL_SUBJECT, TRUE  },
  98         { S_COL_FROM   , TRUE  },
  99         { S_COL_TO     , FALSE },
 100         { S_COL_DATE   , TRUE  },
 101         { S_COL_SIZE   , TRUE  },
 102         { S_COL_NUMBER , FALSE },
 103         { S_COL_SCORE  , FALSE },
 104         { S_COL_LOCKED , FALSE },
 105         { S_COL_TAGS   , FALSE },
 106 };
 107
 108 static void prefs_summary_column_create (void);
 109
 110 static void prefs_summary_column_set_dialog     (SummaryColumnState *state);
 111 static void prefs_summary_column_set_view       (void);
 112
 113 /* callback functions */
 114 static void prefs_summary_column_add    (void);
 115 static void prefs_summary_column_remove (void);
 116
 117 static void prefs_summary_column_up     (void);
 118 static void prefs_summary_column_down   (void);
 119
 120 static void prefs_summary_column_set_to_default (void);
 121
 122 static void prefs_summary_column_ok     (void);
 123 static void prefs_summary_column_cancel (void);
 124
 125 static gint prefs_summary_column_delete_event   (GtkWidget      *widget,
 126                                                  GdkEventAny    *event,
 127                                                  gpointer        data);
 128 static gboolean prefs_summary_column_key_pressed(GtkWidget      *widget,
 129                                                  GdkEventKey    *event,
 130                                                  gpointer        data);
 131
 132 static GtkListStore *prefs_summary_column_create_store  (void);
 133
 134 static void prefs_summary_column_insert_column  (GtkListStore *store,
 135                                                  gint row,
 136                                                  const gchar *name,
 137                                                  SummaryColumnType type);
 138
 139 static SummaryColumnType prefs_summary_column_get_column        (GtkWidget *list,
 140                                                                  gint row);
 141
 142 static GtkWidget *prefs_summary_column_list_view_create (const gchar *name);
 143
 144 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view,
 145                                                          const gchar *name);
 146
 147 static void drag_data_get       (GtkTreeView *tree_view,
 148                                  GdkDragContext *context,
 149                                  GtkSelectionData *data,
 150                                  guint info,
 151                                  guint time,
 152                                  GtkTreeModel *model);
 153
 154 static void drag_data_received  (GtkTreeView *tree_view,
 155                                  GdkDragContext *context,
 156                                  gint x, gint y,
 157                                  GtkSelectionData *data,
 158                                  guint info,
 159                                  guint time,
 160                                  GtkTreeModel *model);
 161
 162 static void prefs_summary_column_shown_set_btn_sensitivity(void);
 163 static void prefs_summary_column_shown_set_active(const gboolean active);
 164 static void prefs_summary_column_stock_set_active(const gboolean active);
 165 static void prefs_summary_column_shown_sel_changed(void);
 166 static void prefs_summary_column_stock_sel_changed(void);
 167
 168 void prefs_summary_column_open(void)
 169 {
 170         inc_lock();
 171
 172         if (!summary_col.window)
 173                 prefs_summary_column_create();
 174
 175         manage_window_set_transient(GTK_WINDOW(summary_col.window));
 176         gtk_widget_grab_focus(summary_col.ok_btn);
 177
 178         prefs_summary_column_set_dialog(NULL);
 179
 180         gtk_widget_show(summary_col.window);
 181
 182         summary_col.finished = FALSE;
 183         while (summary_col.finished == FALSE)
 184                 gtk_main_iteration();
 185
 186         gtk_widget_hide(summary_col.window);
 187
 188         inc_unlock();
 189 }
 190
 191 static void prefs_summary_column_create(void)
 192 {
 193         GtkWidget *window;
 194         GtkWidget *vbox;
 195
 196         GtkWidget *label_hbox;
 197         GtkWidget *label;
 198
 199         GtkWidget *vbox1;
 200
 201         GtkWidget *hbox1;
 202         GtkWidget *clist_hbox;
 203         GtkWidget *scrolledwin;
 204         GtkWidget *stock_list_view;
 205         GtkWidget *shown_list_view;
 206
 207         GtkWidget *btn_vbox;
 208         GtkWidget *add_btn;
 209         GtkWidget *remove_btn;
 210         GtkWidget *up_btn;
 211         GtkWidget *down_btn;
 212
 213         GtkWidget *btn_hbox;
 214         GtkWidget *default_btn;
 215         GtkWidget *confirm_area;
 216         GtkWidget *ok_btn;
 217         GtkWidget *cancel_btn;
 218
 219         debug_print("Creating summary column setting window...\n");
 220
 221         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_summary_column");
 222         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 223         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 224         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 225         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 226         gtk_window_set_title(GTK_WINDOW(window),
 227                              _("Message list columns configuration"));
 228         g_signal_connect(G_OBJECT(window), "delete_event",
 229                          G_CALLBACK(prefs_summary_column_delete_event),
 230                          NULL);
 231         g_signal_connect(G_OBJECT(window), "key_press_event",
 232                          G_CALLBACK(prefs_summary_column_key_pressed),
 233                          NULL);
 234
 235         vbox = gtk_vbox_new(FALSE, 6);
 236         gtk_widget_show(vbox);
 237         gtk_container_add(GTK_CONTAINER(window), vbox);
 238
 239         label_hbox = gtk_hbox_new(FALSE, 0);
 240         gtk_widget_show(label_hbox);
 241         gtk_box_pack_start(GTK_BOX(vbox), label_hbox, FALSE, FALSE, 4);
 242
 243         label = gtk_label_new
 244                 (_("Select columns to be displayed in the message list. You can modify\n"
 245                    "the order by using the Up / Down buttons or by dragging the items."));
 246         gtk_widget_show(label);
 247         gtk_box_pack_start(GTK_BOX(label_hbox), label, FALSE, FALSE, 4);
 248         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 249
 250         vbox1 = gtk_vbox_new(FALSE, VSPACING);
 251         gtk_widget_show(vbox1);
 252         gtk_box_pack_start(GTK_BOX(vbox), vbox1, TRUE, TRUE, 0);
 253         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 2);
 254
 255         hbox1 = gtk_hbox_new(FALSE, 8);
 256         gtk_widget_show(hbox1);
 257         gtk_box_pack_start(GTK_BOX(vbox1), hbox1, FALSE, TRUE, 0);
 258
 259         clist_hbox = gtk_hbox_new(FALSE, 8);
 260         gtk_widget_show(clist_hbox);
 261         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 262
 263         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 264         gtk_widget_set_size_request(scrolledwin, 180, 210);
 265         gtk_widget_show(scrolledwin);
 266         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 267         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 268                                        GTK_POLICY_AUTOMATIC,
 269                                        GTK_POLICY_AUTOMATIC);
 270
 271
 272         stock_list_view = prefs_summary_column_list_view_create
 273                                 (_("Hidden columns"));
 274         g_signal_connect(G_OBJECT(stock_list_view), "cursor-changed",
 275                            G_CALLBACK(prefs_summary_column_stock_sel_changed),
 276                            NULL);
 277         gtk_widget_show(stock_list_view);
 278         gtk_container_add(GTK_CONTAINER(scrolledwin), stock_list_view);
 279
 280         /* add/remove button */
 281         btn_vbox = gtk_vbox_new(FALSE, 8);
 282         gtk_widget_show(btn_vbox);
 283         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 284
 285         add_btn = gtk_button_new_from_stock(GTK_STOCK_ADD);
 286         gtk_widget_show(add_btn);
 287         gtk_box_pack_start(GTK_BOX(btn_vbox), add_btn, FALSE, TRUE, 0);
 288
 289         g_signal_connect(G_OBJECT(add_btn), "clicked",
 290                          G_CALLBACK(prefs_summary_column_add), NULL);
 291
 292         clist_hbox = gtk_hbox_new(FALSE, 8);
 293         gtk_widget_show(clist_hbox);
 294         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 295
 296         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 297         gtk_widget_set_size_request(scrolledwin, 180, 210);
 298         gtk_widget_show(scrolledwin);
 299         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 300         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 301                                        GTK_POLICY_AUTOMATIC,
 302                                        GTK_POLICY_AUTOMATIC);
 303
 304         shown_list_view = prefs_summary_column_list_view_create
 305                                 (_("Displayed columns"));
 306         g_signal_connect(G_OBJECT(shown_list_view), "cursor-changed",
 307                            G_CALLBACK(prefs_summary_column_shown_sel_changed),
 308                            NULL);
 309         gtk_widget_show(shown_list_view);
 310         gtk_container_add(GTK_CONTAINER(scrolledwin), shown_list_view);
 311
 312         /* up/down button */
 313         btn_vbox = gtk_vbox_new(FALSE, 8);
 314         gtk_widget_show(btn_vbox);
 315         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 316
 317         remove_btn = gtk_button_new_from_stock(GTK_STOCK_REMOVE);
 318         gtk_widget_show(remove_btn);
 319         gtk_box_pack_start(GTK_BOX(btn_vbox), remove_btn, FALSE, TRUE, 0);
 320
 321         up_btn = gtk_button_new_from_stock(GTK_STOCK_GO_UP);
 322         gtk_widget_show(up_btn);
 323         gtk_box_pack_start(GTK_BOX(btn_vbox), up_btn, FALSE, TRUE, 0);
 324
 325         down_btn = gtk_button_new_from_stock(GTK_STOCK_GO_DOWN);
 326         gtk_widget_show(down_btn);
 327         gtk_box_pack_start(GTK_BOX(btn_vbox), down_btn, FALSE, TRUE, 0);
 328
 329         g_signal_connect(G_OBJECT(remove_btn), "clicked",
 330                          G_CALLBACK(prefs_summary_column_remove), NULL);
 331         g_signal_connect(G_OBJECT(up_btn), "clicked",
 332                          G_CALLBACK(prefs_summary_column_up), NULL);
 333         g_signal_connect(G_OBJECT(down_btn), "clicked",
 334                          G_CALLBACK(prefs_summary_column_down), NULL);
 335
 336         btn_hbox = gtk_hbox_new(FALSE, 8);
 337         gtk_widget_show(btn_hbox);
 338         gtk_box_pack_end(GTK_BOX(vbox), btn_hbox, FALSE, FALSE, 0);
 339
 340         btn_vbox = gtk_vbox_new(FALSE, 0);
 341         gtk_widget_show(btn_vbox);
 342         gtk_box_pack_start(GTK_BOX(btn_hbox), btn_vbox, FALSE, FALSE, 0);
 343
 344         default_btn = gtk_button_new_with_label(_(" Use default "));
 345         gtk_widget_show(default_btn);
 346         gtk_box_pack_start(GTK_BOX(btn_vbox), default_btn, TRUE, FALSE, 0);
 347         g_signal_connect(G_OBJECT(default_btn), "clicked",
 348                          G_CALLBACK(prefs_summary_column_set_to_default),
 349                          NULL);
 350
 351         gtkut_stock_button_set_create(&confirm_area,
 352                                       &cancel_btn, GTK_STOCK_CANCEL,
 353                                       &ok_btn, GTK_STOCK_OK,
 354                                       NULL, NULL);
 355         gtk_widget_show(confirm_area);
 356         gtk_box_pack_end(GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 357         gtk_widget_grab_default(ok_btn);
 358
 359         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 360                          G_CALLBACK(prefs_summary_column_ok), NULL);
 361         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 362                          G_CALLBACK(prefs_summary_column_cancel), NULL);
 363
 364
 365         summary_col.window      = window;
 366         summary_col.add_btn     = add_btn;
 367         summary_col.remove_btn  = remove_btn;
 368         summary_col.up_btn      = up_btn;
 369         summary_col.down_btn    = down_btn;
 370         summary_col.ok_btn      = ok_btn;
 371         summary_col.cancel_btn  = cancel_btn;
 372         summary_col.stock_list_view = stock_list_view;
 373         summary_col.shown_list_view = shown_list_view;
 374
 375         prefs_summary_column_shown_set_active(FALSE);
 376         prefs_summary_column_stock_set_active(FALSE);
 377 }
 378
 379 SummaryColumnState *prefs_summary_column_get_config(void)
 380 {
 381         static SummaryColumnState state[N_SUMMARY_COLS];
 382         SummaryColumnType type;
 383         gint pos;
 384
 385         for (pos = 0; pos < N_SUMMARY_COLS; pos++)
 386                 state[pos].type = -1;
 387
 388         for (type = 0; type < N_SUMMARY_COLS; type++) {
 389                 pos = prefs_common.summary_col_pos[type];
 390                 if (pos < 0 || pos >= N_SUMMARY_COLS ||
 391                     state[pos].type != -1) {
 392                         g_warning("Wrong column position\n");
 393                         prefs_summary_column_set_config(default_state);
 394                         return default_state;
 395                 }
 396
 397                 state[pos].type = type;
 398                 state[pos].visible = prefs_common.summary_col_visible[type];
 399         }
 400
 401         return state;
 402 }
 403
 404 void prefs_summary_column_set_config(SummaryColumnState *state)
 405 {
 406         SummaryColumnType type;
 407         gint pos;
 408
 409         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
 410                 type = state[pos].type;
 411                 prefs_common.summary_col_visible[type] = state[pos].visible;
 412                 prefs_common.summary_col_pos[type] = pos;
 413         }
 414 }
 415
 416 static void prefs_summary_column_set_dialog(SummaryColumnState *state)
 417 {
 418         GtkListStore *stock_store, *shown_store;
 419         gint pos;
 420         SummaryColumnType type;
 421         gchar *name;
 422
 423         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 424                         (GTK_TREE_VIEW(summary_col.stock_list_view)));
 425         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 426                         (GTK_TREE_VIEW(summary_col.shown_list_view)));
 427
 428         gtk_list_store_clear(stock_store);
 429         gtk_list_store_clear(shown_store);
 430
 431         if (!state)
 432                 state = prefs_summary_column_get_config();
 433
 434         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
 435                 type = state[pos].type;
 436                 name = gettext(col_name[type]);
 437
 438                 if (state[pos].visible)
 439                         prefs_summary_column_insert_column(shown_store,
 440                                                            -1, name,
 441                                                            type);
 442                 else
 443                         prefs_summary_column_insert_column(stock_store,
 444                                                             -1, name,
 445                                                             type);
 446         }
 447 }
 448
 449 static void prefs_summary_column_set_view(void)
 450 {
 451         gint stock_n_rows, shown_n_rows;
 452         SummaryColumnState state[N_SUMMARY_COLS];
 453         SummaryColumnType type;
 454         gint row, pos = 0;
 455
 456         stock_n_rows = gtk_tree_model_iter_n_children
 457                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 458                         (summary_col.stock_list_view)), NULL);
 459         shown_n_rows = gtk_tree_model_iter_n_children
 460                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 461                         (summary_col.shown_list_view)), NULL);
 462
 463         g_return_if_fail
 464                 (stock_n_rows + shown_n_rows == N_SUMMARY_COLS);
 465
 466         for (row = 0; row < stock_n_rows; row++) {
 467                 type = prefs_summary_column_get_column
 468                         (summary_col.stock_list_view, row);
 469                 state[row].type = type;
 470                 state[row].visible = FALSE;
 471         }
 472
 473         pos = row;
 474         for (row = 0; row < shown_n_rows; row++) {
 475                 type = prefs_summary_column_get_column
 476                         (summary_col.shown_list_view, row);
 477                 state[pos + row].type = type;
 478                 state[pos + row].visible = TRUE;
 479         }
 480
 481         prefs_summary_column_set_config(state);
 482         main_window_set_summary_column();
 483 }
 484
 485 static void prefs_summary_column_add(void)
 486 {
 487         GtkListStore *stock_store, *shown_store;
 488         GtkTreeIter stock_sel, shown_sel, shown_add;
 489         gboolean shown_sel_valid;
 490         gchar *name;
 491         SummaryColumnType type;
 492
 493         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 494                 (GTK_TREE_VIEW(summary_col.stock_list_view)));
 495         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 496                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 497
 498         if (!gtk_tree_selection_get_selected
 499                 (gtk_tree_view_get_selection
 500                         (GTK_TREE_VIEW(summary_col.stock_list_view)),
 501                  NULL,
 502                  &stock_sel))
 503                 return;
 504
 505         shown_sel_valid = gtk_tree_selection_get_selected
 506                 (gtk_tree_view_get_selection
 507                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 508                  NULL,
 509                  &shown_sel);
 510
 511         gtk_tree_model_get(GTK_TREE_MODEL(stock_store), &stock_sel,
 512                            SUMCOL_TYPE, &type,
 513                            -1);
 514
 515         gtk_list_store_remove(stock_store, &stock_sel);
 516
 517         gtk_list_store_insert_after(shown_store, &shown_add,
 518                                     shown_sel_valid ? &shown_sel : NULL);
 519
 520         name = gettext(col_name[type]);
 521
 522         gtk_list_store_set(shown_store, &shown_add,
 523                            SUMCOL_NAME, name,
 524                            SUMCOL_TYPE, type,
 525                            -1);
 526
 527         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 528                 (GTK_TREE_VIEW(summary_col.shown_list_view)),
 529                  &shown_add);
 530         prefs_summary_column_shown_set_active(TRUE);
 531         prefs_summary_column_stock_set_active(FALSE);
 532 }
 533
 534 static void prefs_summary_column_remove(void)
 535 {
 536         GtkListStore *stock_store, *shown_store;
 537         GtkTreeIter shown_sel, stock_sel, stock_add;
 538         gboolean stock_sel_valid;
 539         gchar *name;
 540         SummaryColumnType type;
 541
 542         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 543                 (GTK_TREE_VIEW(summary_col.stock_list_view)));
 544         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 545                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 546
 547         if (!gtk_tree_selection_get_selected
 548                 (gtk_tree_view_get_selection
 549                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 550                  NULL,
 551                  &shown_sel))
 552                 return;
 553
 554         stock_sel_valid = gtk_tree_selection_get_selected
 555                 (gtk_tree_view_get_selection
 556                         (GTK_TREE_VIEW(summary_col.stock_list_view)),
 557                  NULL,
 558                  &stock_sel);
 559
 560         gtk_tree_model_get(GTK_TREE_MODEL(shown_store), &shown_sel,
 561                            SUMCOL_TYPE, &type,
 562                            -1);
 563
 564         gtk_list_store_remove(shown_store, &shown_sel);
 565
 566         gtk_list_store_insert_after(stock_store, &stock_add,
 567                                     stock_sel_valid ? &stock_sel : NULL);
 568
 569         name = gettext(col_name[type]);
 570
 571         gtk_list_store_set(stock_store, &stock_add,
 572                            SUMCOL_NAME, name,
 573                            SUMCOL_TYPE, type,
 574                            -1);
 575
 576         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 577                 (GTK_TREE_VIEW(summary_col.stock_list_view)),
 578                 &stock_add);
 579         prefs_summary_column_shown_set_active(FALSE);
 580         prefs_summary_column_stock_set_active(TRUE);
 581 }
 582
 583 static void prefs_summary_column_up(void)
 584 {
 585         GtkTreePath *prev, *sel;
 586         GtkTreeIter isel;
 587         GtkListStore *shown_store;
 588         GtkTreeIter iprev;
 589
 590         if (!gtk_tree_selection_get_selected
 591                 (gtk_tree_view_get_selection
 592                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 593                  NULL,
 594                  &isel))
 595                 return;
 596
 597         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 598                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 599
 600         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(shown_store),
 601                                       &isel);
 602         if (!sel)
 603                 return;
 604
 605         prev = gtk_tree_path_copy(sel);
 606         if (!gtk_tree_path_prev(prev)) {
 607                 gtk_tree_path_free(prev);
 608                 gtk_tree_path_free(sel);
 609                 return;
 610         }
 611
 612         gtk_tree_model_get_iter(GTK_TREE_MODEL(shown_store),
 613                                 &iprev, prev);
 614         gtk_tree_path_free(sel);
 615         gtk_tree_path_free(prev);
 616
 617         gtk_list_store_swap(shown_store, &iprev, &isel);
 618         prefs_summary_column_shown_set_btn_sensitivity();
 619 }
 620
 621 static void prefs_summary_column_down(void)
 622 {
 623         GtkListStore *shown_store;
 624         GtkTreeIter next, sel;
 625
 626         if (!gtk_tree_selection_get_selected
 627                 (gtk_tree_view_get_selection
 628                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 629                  NULL,
 630                  &sel))
 631                 return;
 632
 633         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 634                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 635
 636         next = sel;
 637         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(shown_store), &next))
 638                 return;
 639
 640         gtk_list_store_swap(shown_store, &next, &sel);
 641         prefs_summary_column_shown_set_btn_sensitivity();
 642 }
 643
 644 static void prefs_summary_column_set_to_default(void)
 645 {
 646         prefs_summary_column_set_dialog(default_state);
 647         prefs_summary_column_shown_set_active(FALSE);
 648         prefs_summary_column_stock_set_active(FALSE);
 649 }
 650
 651 static void prefs_summary_column_ok(void)
 652 {
 653         if (!summary_col.finished) {
 654                 summary_col.finished = TRUE;
 655                 prefs_summary_column_set_view();
 656         }
 657 }
 658
 659 static void prefs_summary_column_cancel(void)
 660 {
 661         summary_col.finished = TRUE;
 662 }
 663
 664 static gint prefs_summary_column_delete_event(GtkWidget *widget,
 665                                               GdkEventAny *event,
 666                                               gpointer data)
 667 {
 668         summary_col.finished = TRUE;
 669         return TRUE;
 670 }
 671
 672 static gboolean prefs_summary_column_key_pressed(GtkWidget *widget,
 673                                                  GdkEventKey *event,
 674                                                  gpointer data)
 675 {
 676         if (event && event->keyval == GDK_Escape)
 677                 summary_col.finished = TRUE;
 678         return FALSE;
 679 }
 680
 681 static GtkListStore *prefs_summary_column_create_store(void)
 682 {
 683         return gtk_list_store_new(N_SUMCOL_COLUMNS,
 684                                   G_TYPE_STRING,
 685                                   G_TYPE_INT,
 686                                   -1);
 687 }
 688
 689 static void prefs_summary_column_insert_column(GtkListStore *store,
 690                                                gint row,
 691                                                const gchar *name,
 692                                                SummaryColumnType type)
 693 {
 694         GtkTreeIter iter;
 695
 696         if (row >= 0) {
 697                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(store),
 698                                                    &iter, NULL, row))
 699                         row = -1;
 700         }
 701         if (row < 0) {
 702                 /* add new */
 703                 gtk_list_store_append(store, &iter);
 704                 gtk_list_store_set(store, &iter,
 705                                    SUMCOL_NAME, name,
 706                                    SUMCOL_TYPE, type,
 707                                    -1);
 708                 return;
 709         } else {
 710                 /* change existing */
 711                 gtk_list_store_set(store, &iter,
 712                                    SUMCOL_NAME, name,
 713                                    SUMCOL_TYPE, type,
 714                                    -1);
 715         }
 716 }
 717
 718 /*!
 719  *\brief        Return the columnn type for a row
 720  */
 721 static SummaryColumnType prefs_summary_column_get_column(GtkWidget *list, gint row)
 722 {
 723         GtkTreeView *list_view = GTK_TREE_VIEW(list);
 724         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 725         GtkTreeIter iter;
 726         SummaryColumnType result;
 727
 728         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
 729                 return -1;
 730
 731         gtk_tree_model_get(model, &iter,
 732                            SUMCOL_TYPE, &result,
 733                            -1);
 734
 735         return result;
 736 }
 737
 738 static GtkWidget *prefs_summary_column_list_view_create(const gchar *name)
 739 {
 740         GtkWidget *list_view;
 741         GtkTreeSelection *selector;
 742         GtkTreeModel *model;
 743
 744         model = GTK_TREE_MODEL(prefs_summary_column_create_store());
 745         list_view = gtk_tree_view_new_with_model(model);
 746         g_object_unref(G_OBJECT(model));
 747
 748         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 749                                      prefs_common.use_stripes_everywhere);
 750
 751         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 752         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 753
 754         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 755
 756         gtk_tree_view_enable_model_drag_source(GTK_TREE_VIEW(list_view),
 757                                                GDK_BUTTON1_MASK,
 758                                                row_targets,
 759                                                G_N_ELEMENTS(row_targets),
 760                                                GDK_ACTION_MOVE);
 761
 762         gtk_tree_view_enable_model_drag_dest(GTK_TREE_VIEW(list_view),
 763                                              row_targets,
 764                                              G_N_ELEMENTS(row_targets),
 765                                              GDK_ACTION_MOVE);
 766
 767         g_signal_connect(G_OBJECT(list_view), "drag_data_get",
 768                          G_CALLBACK(drag_data_get),
 769                          model);
 770
 771         g_signal_connect(G_OBJECT(list_view), "drag_data_received",
 772                          G_CALLBACK(drag_data_received),
 773                          model);
 774
 775         return list_view;
 776 }
 777
 778 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 779                                                      const gchar *name)
 780 {
 781         GtkTreeViewColumn *column;
 782         GtkCellRenderer *renderer;
 783
 784         renderer = gtk_cell_renderer_text_new();
 785         column = gtk_tree_view_column_new_with_attributes
 786                 (name, renderer, "text", SUMCOL_NAME, NULL);
 787         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 788 }
 789
 790 static void drag_data_get(GtkTreeView *tree_view, GdkDragContext *context,
 791                           GtkSelectionData *data, guint info,
 792                           guint time, GtkTreeModel *model)
 793 {
 794         GtkTreeIter iter;
 795         SummaryColumnType type;
 796         GtkTreeModel *source_model;
 797
 798         if (info != TARGET_INFO_SUMCOL)
 799                 return;
 800
 801         if (!gtk_tree_selection_get_selected
 802                         (gtk_tree_view_get_selection(tree_view),
 803                          &source_model, &iter))
 804                 return;
 805
 806         gtk_tree_model_get(source_model, &iter,
 807                            SUMCOL_TYPE, &type,
 808                            -1);
 809
 810         /* send the type */
 811         gtk_selection_data_set(data, data->target, 8, (gchar *) &type, sizeof type);
 812 }
 813
 814 static void drag_data_received(GtkTreeView *tree_view, GdkDragContext *context,
 815                                gint x, gint y, GtkSelectionData *data,
 816                                guint info, guint time, GtkTreeModel *model)
 817 {
 818         GtkWidget *source;
 819         GtkTreePath *dst = NULL, *sel = NULL;
 820         GtkTreeIter isel, idst;
 821         GtkTreeViewDropPosition pos;
 822         SummaryColumnType type;
 823         GtkTreeModel *sel_model;
 824         gchar *name;
 825
 826         source = gtk_drag_get_source_widget(context);
 827
 828         if (source == GTK_WIDGET(tree_view)) {
 829
 830                 /*
 831                  * Same widget: re-order
 832                  */
 833
 834                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(tree_view),
 835                                            NULL, &isel);
 836                 sel = gtk_tree_model_get_path(model, &isel);
 837                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y,
 838                                                   &dst, &pos);
 839
 840                 /* NOTE: dst is invalid if selection beyond last row, in that
 841                  * case move beyond last one (XXX_move_before(..., NULL)) */
 842
 843                 if (dst)
 844                         gtk_tree_model_get_iter(model, &idst, dst);
 845                 else
 846                         gtk_list_store_move_before(GTK_LIST_STORE(model),
 847                                                    &isel,
 848                                                    NULL);
 849
 850                 /* we do not drag if no valid dst and sel, and when
 851                  * dst and sel are the same (moving after or before
 852                  * itself doesn't change order...) */
 853                 if ((dst && sel) && gtk_tree_path_compare(sel, dst) != 0) {
 854                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 855                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 856                                 gtk_list_store_move_before(GTK_LIST_STORE(model),
 857                                                            &isel,
 858                                                            &idst);
 859                         else
 860                                 gtk_list_store_move_after(GTK_LIST_STORE(model),
 861                                                           &isel,
 862                                                           &idst);
 863
 864                 }
 865                 gtk_tree_path_free(dst);
 866                 gtk_tree_path_free(sel);
 867                 gtk_drag_finish(context, TRUE, FALSE, time);
 868
 869         } else if (source == summary_col.stock_list_view
 870         ||         source == summary_col.shown_list_view) {
 871
 872                 /*
 873                  * Other widget: change and update
 874                  */
 875
 876
 877                 /* get source information and remove */
 878                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(
 879                                                 GTK_TREE_VIEW(source)),
 880                                                 &sel_model, &isel);
 881                 type = *((gint *) data->data);
 882                 name = gettext(col_name[type]);
 883                 gtk_list_store_remove(GTK_LIST_STORE(sel_model), &isel);
 884
 885                 /* get insertion position */
 886                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y, &dst, &pos);
 887
 888                 /* NOTE: dst is invalid if insertion point beyond last row,
 889                  * just append to list in that case (XXX_store_append()) */
 890
 891                 if (dst) {
 892                         gtk_tree_model_get_iter(model, &idst, dst);
 893
 894                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 895                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 896                                 gtk_list_store_insert_before(GTK_LIST_STORE(model),
 897                                                              &isel,
 898                                                              &idst);
 899                         else
 900                                 gtk_list_store_insert_after(GTK_LIST_STORE(model),
 901                                                             &isel,
 902                                                             &idst);
 903                 } else
 904                         gtk_list_store_append(GTK_LIST_STORE(model),
 905                                               &isel);
 906
 907                 gtk_list_store_set(GTK_LIST_STORE(model), &isel,
 908                                    SUMCOL_NAME, name,
 909                                    SUMCOL_TYPE, type, -1);
 910                 gtk_tree_path_free(dst);
 911                 gtk_drag_finish(context, TRUE, FALSE, time);
 912         }
 913
 914         prefs_summary_column_shown_set_active(FALSE);
 915         prefs_summary_column_stock_set_active(FALSE);
 916
 917         /* XXXX: should we call gtk_drag_finish() for other code paths? */
 918 }
 919
 920 static void prefs_summary_column_shown_set_btn_sensitivity(void)
 921 {
 922         GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(
 923                 GTK_TREE_VIEW(summary_col.shown_list_view)));
 924         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 925                 GTK_TREE_VIEW(summary_col.shown_list_view));
 926         GtkTreeIter iter;
 927         GtkTreePath *path;
 928
 929         if(!gtk_tree_selection_get_selected(selection, NULL, &iter)) {
 930                 gtk_widget_set_sensitive(summary_col.remove_btn, FALSE);
 931                 gtk_widget_set_sensitive(summary_col.up_btn, FALSE);
 932                 gtk_widget_set_sensitive(summary_col.down_btn, FALSE);
 933                 return;
 934         }
 935
 936         path = gtk_tree_model_get_path(model, &iter);
 937
 938         gtk_widget_set_sensitive(summary_col.up_btn, gtk_tree_path_prev(path));
 939         gtk_widget_set_sensitive(summary_col.down_btn,
 940                                  gtk_tree_model_iter_next(model, &iter));
 941 }
 942
 943 static void prefs_summary_column_shown_set_active(const gboolean active)
 944 {
 945         GtkTreeSelection *selection = NULL;
 946
 947         gtk_widget_set_sensitive(summary_col.remove_btn, active);
 948
 949         if(active == FALSE) {
 950                 selection = gtk_tree_view_get_selection(
 951                         GTK_TREE_VIEW(summary_col.shown_list_view));
 952                 gtk_tree_selection_unselect_all(selection);
 953
 954                 gtk_widget_set_sensitive(summary_col.up_btn, FALSE);
 955                 gtk_widget_set_sensitive(summary_col.down_btn, FALSE);
 956         } else {
 957                 prefs_summary_column_shown_set_btn_sensitivity();
 958         }
 959 }
 960
 961 static void prefs_summary_column_stock_set_active(const gboolean active)
 962 {
 963         GtkTreeSelection *selection = NULL;
 964
 965         gtk_widget_set_sensitive(summary_col.add_btn, active);
 966
 967         if(active == FALSE) {
 968                 selection = gtk_tree_view_get_selection(
 969                         GTK_TREE_VIEW(summary_col.stock_list_view));
 970                 gtk_tree_selection_unselect_all(selection);
 971         }
 972 }
 973
 974 static void prefs_summary_column_stock_sel_changed(void)
 975 {
 976         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 977                 GTK_TREE_VIEW(summary_col.stock_list_view));
 978         prefs_summary_column_stock_set_active(
 979                 (selection != NULL) ? TRUE : FALSE);
 980         prefs_summary_column_shown_set_active(
 981                 (selection != NULL) ? FALSE : TRUE);
 982 }
 983
 984 static void prefs_summary_column_shown_sel_changed(void)
 985 {
 986         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 987                 GTK_TREE_VIEW(summary_col.shown_list_view));
 988         prefs_summary_column_shown_set_active(
 989                 (selection != NULL) ? TRUE : FALSE);
 990         prefs_summary_column_stock_set_active(
 991                 (selection != NULL) ? FALSE : TRUE);
 992 }