src/prefs_summary_column.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2005 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 2 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, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  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 };
  91
  92 static SummaryColumnState default_state[N_SUMMARY_COLS] = {
  93         { S_COL_MARK   , TRUE  },
  94         { S_COL_STATUS , TRUE  },
  95         { S_COL_MIME   , TRUE  },
  96         { S_COL_SUBJECT, TRUE  },
  97         { S_COL_FROM   , TRUE  },
  98         { S_COL_TO     , FALSE },
  99         { S_COL_DATE   , TRUE  },
 100         { S_COL_SIZE   , TRUE  },
 101         { S_COL_NUMBER , FALSE },
 102         { S_COL_SCORE  , FALSE },
 103         { S_COL_LOCKED , FALSE },
 104 };
 105
 106 static void prefs_summary_column_create (void);
 107
 108 static void prefs_summary_column_set_dialog     (SummaryColumnState *state);
 109 static void prefs_summary_column_set_view       (void);
 110
 111 /* callback functions */
 112 static void prefs_summary_column_add    (void);
 113 static void prefs_summary_column_remove (void);
 114
 115 static void prefs_summary_column_up     (void);
 116 static void prefs_summary_column_down   (void);
 117
 118 static void prefs_summary_column_set_to_default (void);
 119
 120 static void prefs_summary_column_ok     (void);
 121 static void prefs_summary_column_cancel (void);
 122
 123 static gint prefs_summary_column_delete_event   (GtkWidget      *widget,
 124                                                  GdkEventAny    *event,
 125                                                  gpointer        data);
 126 static gboolean prefs_summary_column_key_pressed(GtkWidget      *widget,
 127                                                  GdkEventKey    *event,
 128                                                  gpointer        data);
 129
 130 static GtkListStore *prefs_summary_column_create_store  (void);
 131
 132 static void prefs_summary_column_insert_column  (GtkListStore *store,
 133                                                  gint row,
 134                                                  const gchar *name,
 135                                                  SummaryColumnType type);
 136
 137 static SummaryColumnType prefs_summary_column_get_column        (GtkWidget *list,
 138                                                                  gint row);
 139
 140 static GtkWidget *prefs_summary_column_list_view_create (const gchar *name);
 141
 142 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view,
 143                                                          const gchar *name);
 144
 145 static void drag_data_get       (GtkTreeView *tree_view,
 146                                  GdkDragContext *context,
 147                                  GtkSelectionData *data,
 148                                  guint info,
 149                                  guint time,
 150                                  GtkTreeModel *model);
 151
 152 static void drag_data_received  (GtkTreeView *tree_view,
 153                                  GdkDragContext *context,
 154                                  gint x, gint y,
 155                                  GtkSelectionData *data,
 156                                  guint info,
 157                                  guint time,
 158                                  GtkTreeModel *model);
 159
 160 void prefs_summary_column_open(void)
 161 {
 162         inc_lock();
 163
 164         if (!summary_col.window)
 165                 prefs_summary_column_create();
 166
 167         manage_window_set_transient(GTK_WINDOW(summary_col.window));
 168         gtk_widget_grab_focus(summary_col.ok_btn);
 169
 170         prefs_summary_column_set_dialog(NULL);
 171
 172         gtk_widget_show(summary_col.window);
 173
 174         summary_col.finished = FALSE;
 175         while (summary_col.finished == FALSE)
 176                 gtk_main_iteration();
 177
 178         gtk_widget_hide(summary_col.window);
 179
 180         inc_unlock();
 181 }
 182
 183 static void prefs_summary_column_create(void)
 184 {
 185         GtkWidget *window;
 186         GtkWidget *vbox;
 187
 188         GtkWidget *label_hbox;
 189         GtkWidget *label;
 190
 191         GtkWidget *vbox1;
 192
 193         GtkWidget *hbox1;
 194         GtkWidget *clist_hbox;
 195         GtkWidget *scrolledwin;
 196         GtkWidget *stock_list_view;
 197         GtkWidget *shown_list_view;
 198
 199         GtkWidget *btn_vbox;
 200         GtkWidget *add_btn;
 201         GtkWidget *remove_btn;
 202         GtkWidget *up_btn;
 203         GtkWidget *down_btn;
 204
 205         GtkWidget *btn_hbox;
 206         GtkWidget *default_btn;
 207         GtkWidget *confirm_area;
 208         GtkWidget *ok_btn;
 209         GtkWidget *cancel_btn;
 210
 211         debug_print("Creating summary column setting window...\n");
 212
 213         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 214         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 215         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 216         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 217         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 218         gtk_window_set_title(GTK_WINDOW(window),
 219                              _("Message list columns configuration"));
 220         g_signal_connect(G_OBJECT(window), "delete_event",
 221                          G_CALLBACK(prefs_summary_column_delete_event),
 222                          NULL);
 223         g_signal_connect(G_OBJECT(window), "key_press_event",
 224                          G_CALLBACK(prefs_summary_column_key_pressed),
 225                          NULL);
 226
 227         vbox = gtk_vbox_new(FALSE, 6);
 228         gtk_widget_show(vbox);
 229         gtk_container_add(GTK_CONTAINER(window), vbox);
 230
 231         label_hbox = gtk_hbox_new(FALSE, 0);
 232         gtk_widget_show(label_hbox);
 233         gtk_box_pack_start(GTK_BOX(vbox), label_hbox, FALSE, FALSE, 4);
 234
 235         label = gtk_label_new
 236                 (_("Select columns to be displayed in the message list. You can modify\n"
 237                    "the order by using the Up / Down buttons or by dragging the items."));
 238         gtk_widget_show(label);
 239         gtk_box_pack_start(GTK_BOX(label_hbox), label, FALSE, FALSE, 4);
 240         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 241
 242         vbox1 = gtk_vbox_new(FALSE, VSPACING);
 243         gtk_widget_show(vbox1);
 244         gtk_box_pack_start(GTK_BOX(vbox), vbox1, TRUE, TRUE, 0);
 245         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 2);
 246
 247         hbox1 = gtk_hbox_new(FALSE, 8);
 248         gtk_widget_show(hbox1);
 249         gtk_box_pack_start(GTK_BOX(vbox1), hbox1, FALSE, TRUE, 0);
 250
 251         clist_hbox = gtk_hbox_new(FALSE, 8);
 252         gtk_widget_show(clist_hbox);
 253         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 254
 255         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 256         gtk_widget_set_size_request(scrolledwin, 180, 210);
 257         gtk_widget_show(scrolledwin);
 258         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 259         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 260                                        GTK_POLICY_AUTOMATIC,
 261                                        GTK_POLICY_AUTOMATIC);
 262
 263
 264         stock_list_view = prefs_summary_column_list_view_create
 265                                 (_("Hidden columns"));
 266         gtk_widget_show(stock_list_view);
 267         gtk_container_add(GTK_CONTAINER(scrolledwin), stock_list_view);
 268
 269         /* add/remove button */
 270         btn_vbox = gtk_vbox_new(FALSE, 8);
 271         gtk_widget_show(btn_vbox);
 272         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 273
 274         add_btn = gtk_button_new_from_stock(GTK_STOCK_ADD);
 275         gtk_widget_show(add_btn);
 276         gtk_box_pack_start(GTK_BOX(btn_vbox), add_btn, FALSE, TRUE, 0);
 277
 278         g_signal_connect(G_OBJECT(add_btn), "clicked",
 279                          G_CALLBACK(prefs_summary_column_add), NULL);
 280
 281         clist_hbox = gtk_hbox_new(FALSE, 8);
 282         gtk_widget_show(clist_hbox);
 283         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 284
 285         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 286         gtk_widget_set_size_request(scrolledwin, 180, 210);
 287         gtk_widget_show(scrolledwin);
 288         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 289         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 290                                        GTK_POLICY_AUTOMATIC,
 291                                        GTK_POLICY_AUTOMATIC);
 292
 293         shown_list_view = prefs_summary_column_list_view_create
 294                                 (_("Displayed columns"));
 295         gtk_widget_show(shown_list_view);
 296         gtk_container_add(GTK_CONTAINER(scrolledwin), shown_list_view);
 297
 298         /* up/down button */
 299         btn_vbox = gtk_vbox_new(FALSE, 8);
 300         gtk_widget_show(btn_vbox);
 301         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 302
 303         remove_btn = gtk_button_new_from_stock(GTK_STOCK_REMOVE);
 304         gtk_widget_show(remove_btn);
 305         gtk_box_pack_start(GTK_BOX(btn_vbox), remove_btn, FALSE, TRUE, 0);
 306
 307         up_btn = gtk_button_new_from_stock(GTK_STOCK_GO_UP);
 308         gtk_widget_show(up_btn);
 309         gtk_box_pack_start(GTK_BOX(btn_vbox), up_btn, FALSE, TRUE, 0);
 310
 311         down_btn = gtk_button_new_from_stock(GTK_STOCK_GO_DOWN);
 312         gtk_widget_show(down_btn);
 313         gtk_box_pack_start(GTK_BOX(btn_vbox), down_btn, FALSE, TRUE, 0);
 314
 315         g_signal_connect(G_OBJECT(remove_btn), "clicked",
 316                          G_CALLBACK(prefs_summary_column_remove), NULL);
 317         g_signal_connect(G_OBJECT(up_btn), "clicked",
 318                          G_CALLBACK(prefs_summary_column_up), NULL);
 319         g_signal_connect(G_OBJECT(down_btn), "clicked",
 320                          G_CALLBACK(prefs_summary_column_down), NULL);
 321
 322         btn_hbox = gtk_hbox_new(FALSE, 8);
 323         gtk_widget_show(btn_hbox);
 324         gtk_box_pack_end(GTK_BOX(vbox), btn_hbox, FALSE, FALSE, 0);
 325
 326         btn_vbox = gtk_vbox_new(FALSE, 0);
 327         gtk_widget_show(btn_vbox);
 328         gtk_box_pack_start(GTK_BOX(btn_hbox), btn_vbox, FALSE, FALSE, 0);
 329
 330         default_btn = gtk_button_new_with_label(_(" Use default "));
 331         gtk_widget_show(default_btn);
 332         gtk_box_pack_start(GTK_BOX(btn_vbox), default_btn, TRUE, FALSE, 0);
 333         g_signal_connect(G_OBJECT(default_btn), "clicked",
 334                          G_CALLBACK(prefs_summary_column_set_to_default),
 335                          NULL);
 336
 337         gtkut_stock_button_set_create(&confirm_area, &ok_btn, GTK_STOCK_OK,
 338                                       &cancel_btn, GTK_STOCK_CANCEL,
 339                                       NULL, NULL);
 340         gtk_widget_show(confirm_area);
 341         gtk_box_pack_end(GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 342         gtk_widget_grab_default(ok_btn);
 343
 344         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 345                          G_CALLBACK(prefs_summary_column_ok), NULL);
 346         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 347                          G_CALLBACK(prefs_summary_column_cancel), NULL);
 348
 349
 350         summary_col.window      = window;
 351         summary_col.add_btn     = add_btn;
 352         summary_col.remove_btn  = remove_btn;
 353         summary_col.up_btn      = up_btn;
 354         summary_col.down_btn    = down_btn;
 355         summary_col.ok_btn      = ok_btn;
 356         summary_col.cancel_btn  = cancel_btn;
 357         summary_col.stock_list_view = stock_list_view;
 358         summary_col.shown_list_view = shown_list_view;
 359 }
 360
 361 SummaryColumnState *prefs_summary_column_get_config(void)
 362 {
 363         static SummaryColumnState state[N_SUMMARY_COLS];
 364         SummaryColumnType type;
 365         gint pos;
 366
 367         for (pos = 0; pos < N_SUMMARY_COLS; pos++)
 368                 state[pos].type = -1;
 369
 370         for (type = 0; type < N_SUMMARY_COLS; type++) {
 371                 pos = prefs_common.summary_col_pos[type];
 372                 if (pos < 0 || pos >= N_SUMMARY_COLS ||
 373                     state[pos].type != -1) {
 374                         g_warning("Wrong column position\n");
 375                         prefs_summary_column_set_config(default_state);
 376                         return default_state;
 377                 }
 378
 379                 state[pos].type = type;
 380                 state[pos].visible = prefs_common.summary_col_visible[type];
 381         }
 382
 383         return state;
 384 }
 385
 386 void prefs_summary_column_set_config(SummaryColumnState *state)
 387 {
 388         SummaryColumnType type;
 389         gint pos;
 390
 391         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
 392                 type = state[pos].type;
 393                 prefs_common.summary_col_visible[type] = state[pos].visible;
 394                 prefs_common.summary_col_pos[type] = pos;
 395         }
 396 }
 397
 398 static void prefs_summary_column_set_dialog(SummaryColumnState *state)
 399 {
 400         GtkListStore *stock_store, *shown_store;
 401         gint pos;
 402         SummaryColumnType type;
 403         gchar *name;
 404
 405         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 406                         (GTK_TREE_VIEW(summary_col.stock_list_view)));
 407         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 408                         (GTK_TREE_VIEW(summary_col.shown_list_view)));
 409
 410         gtk_list_store_clear(stock_store);
 411         gtk_list_store_clear(shown_store);
 412
 413         if (!state)
 414                 state = prefs_summary_column_get_config();
 415
 416         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
 417                 type = state[pos].type;
 418                 name = gettext(col_name[type]);
 419
 420                 if (state[pos].visible)
 421                         prefs_summary_column_insert_column(shown_store,
 422                                                            -1, name,
 423                                                            type);
 424                 else
 425                         prefs_summary_column_insert_column(stock_store,
 426                                                             -1, name,
 427                                                             type);
 428         }
 429 }
 430
 431 static void prefs_summary_column_set_view(void)
 432 {
 433         gint stock_n_rows, shown_n_rows;
 434         SummaryColumnState state[N_SUMMARY_COLS];
 435         SummaryColumnType type;
 436         gint row, pos = 0;
 437
 438         stock_n_rows = gtk_tree_model_iter_n_children
 439                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 440                         (summary_col.stock_list_view)), NULL);
 441         shown_n_rows = gtk_tree_model_iter_n_children
 442                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 443                         (summary_col.shown_list_view)), NULL);
 444
 445         g_return_if_fail
 446                 (stock_n_rows + shown_n_rows == N_SUMMARY_COLS);
 447
 448         for (row = 0; row < stock_n_rows; row++) {
 449                 type = prefs_summary_column_get_column
 450                         (summary_col.stock_list_view, row);
 451                 state[row].type = type;
 452                 state[row].visible = FALSE;
 453         }
 454
 455         pos = row;
 456         for (row = 0; row < shown_n_rows; row++) {
 457                 type = prefs_summary_column_get_column
 458                         (summary_col.shown_list_view, row);
 459                 state[pos + row].type = type;
 460                 state[pos + row].visible = TRUE;
 461         }
 462
 463         prefs_summary_column_set_config(state);
 464         main_window_set_summary_column();
 465 }
 466
 467 static void prefs_summary_column_add(void)
 468 {
 469         GtkListStore *stock_store, *shown_store;
 470         GtkTreeIter stock_sel, shown_sel, shown_add;
 471         gboolean shown_sel_valid;
 472         gchar *name;
 473         SummaryColumnType type;
 474
 475         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 476                 (GTK_TREE_VIEW(summary_col.stock_list_view)));
 477         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 478                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 479
 480         if (!gtk_tree_selection_get_selected
 481                 (gtk_tree_view_get_selection
 482                         (GTK_TREE_VIEW(summary_col.stock_list_view)),
 483                  NULL,
 484                  &stock_sel))
 485                 return;
 486
 487         shown_sel_valid = gtk_tree_selection_get_selected
 488                 (gtk_tree_view_get_selection
 489                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 490                  NULL,
 491                  &shown_sel);
 492
 493         gtk_tree_model_get(GTK_TREE_MODEL(stock_store), &stock_sel,
 494                            SUMCOL_TYPE, &type,
 495                            -1);
 496
 497         gtk_list_store_remove(stock_store, &stock_sel);
 498
 499         gtk_list_store_insert_after(shown_store, &shown_add,
 500                                     shown_sel_valid ? &shown_sel : NULL);
 501
 502         name = gettext(col_name[type]);
 503
 504         gtk_list_store_set(shown_store, &shown_add,
 505                            SUMCOL_NAME, name,
 506                            SUMCOL_TYPE, type,
 507                            -1);
 508
 509         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 510                 (GTK_TREE_VIEW(summary_col.shown_list_view)),
 511                  &shown_add);
 512 }
 513
 514 static void prefs_summary_column_remove(void)
 515 {
 516         GtkListStore *stock_store, *shown_store;
 517         GtkTreeIter shown_sel, stock_sel, stock_add;
 518         gboolean stock_sel_valid;
 519         gchar *name;
 520         SummaryColumnType type;
 521
 522         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 523                 (GTK_TREE_VIEW(summary_col.stock_list_view)));
 524         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 525                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 526
 527         if (!gtk_tree_selection_get_selected
 528                 (gtk_tree_view_get_selection
 529                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 530                  NULL,
 531                  &shown_sel))
 532                 return;
 533
 534         stock_sel_valid = gtk_tree_selection_get_selected
 535                 (gtk_tree_view_get_selection
 536                         (GTK_TREE_VIEW(summary_col.stock_list_view)),
 537                  NULL,
 538                  &stock_sel);
 539
 540         gtk_tree_model_get(GTK_TREE_MODEL(shown_store), &shown_sel,
 541                            SUMCOL_TYPE, &type,
 542                            -1);
 543
 544         gtk_list_store_remove(shown_store, &shown_sel);
 545
 546         gtk_list_store_insert_after(stock_store, &stock_add,
 547                                     stock_sel_valid ? &stock_sel : NULL);
 548
 549         name = gettext(col_name[type]);
 550
 551         gtk_list_store_set(stock_store, &stock_add,
 552                            SUMCOL_NAME, name,
 553                            SUMCOL_TYPE, type,
 554                            -1);
 555
 556         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 557                 (GTK_TREE_VIEW(summary_col.stock_list_view)),
 558                 &stock_add);
 559 }
 560
 561 static void prefs_summary_column_up(void)
 562 {
 563         GtkTreePath *prev, *sel;
 564         GtkTreeIter isel;
 565         GtkListStore *shown_store;
 566         GtkTreeIter iprev;
 567
 568         if (!gtk_tree_selection_get_selected
 569                 (gtk_tree_view_get_selection
 570                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 571                  NULL,
 572                  &isel))
 573                 return;
 574
 575         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 576                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 577
 578         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(shown_store),
 579                                       &isel);
 580         if (!sel)
 581                 return;
 582
 583         prev = gtk_tree_path_copy(sel);
 584         if (!gtk_tree_path_prev(prev)) {
 585                 gtk_tree_path_free(prev);
 586                 gtk_tree_path_free(sel);
 587                 return;
 588         }
 589
 590         gtk_tree_model_get_iter(GTK_TREE_MODEL(shown_store),
 591                                 &iprev, prev);
 592         gtk_tree_path_free(sel);
 593         gtk_tree_path_free(prev);
 594
 595         gtk_list_store_swap(shown_store, &iprev, &isel);
 596 }
 597
 598 static void prefs_summary_column_down(void)
 599 {
 600         GtkListStore *shown_store;
 601         GtkTreeIter next, sel;
 602
 603         if (!gtk_tree_selection_get_selected
 604                 (gtk_tree_view_get_selection
 605                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 606                  NULL,
 607                  &sel))
 608                 return;
 609
 610         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 611                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 612
 613         next = sel;
 614         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(shown_store), &next))
 615                 return;
 616
 617         gtk_list_store_swap(shown_store, &next, &sel);
 618 }
 619
 620 static void prefs_summary_column_set_to_default(void)
 621 {
 622         prefs_summary_column_set_dialog(default_state);
 623 }
 624
 625 static void prefs_summary_column_ok(void)
 626 {
 627         if (!summary_col.finished) {
 628                 summary_col.finished = TRUE;
 629                 prefs_summary_column_set_view();
 630         }
 631 }
 632
 633 static void prefs_summary_column_cancel(void)
 634 {
 635         summary_col.finished = TRUE;
 636 }
 637
 638 static gint prefs_summary_column_delete_event(GtkWidget *widget,
 639                                               GdkEventAny *event,
 640                                               gpointer data)
 641 {
 642         summary_col.finished = TRUE;
 643         return TRUE;
 644 }
 645
 646 static gboolean prefs_summary_column_key_pressed(GtkWidget *widget,
 647                                                  GdkEventKey *event,
 648                                                  gpointer data)
 649 {
 650         if (event && event->keyval == GDK_Escape)
 651                 summary_col.finished = TRUE;
 652         return FALSE;
 653 }
 654
 655 static GtkListStore *prefs_summary_column_create_store(void)
 656 {
 657         return gtk_list_store_new(N_SUMCOL_COLUMNS,
 658                                   G_TYPE_STRING,
 659                                   G_TYPE_INT,
 660                                   -1);
 661 }
 662
 663 static void prefs_summary_column_insert_column(GtkListStore *store,
 664                                                gint row,
 665                                                const gchar *name,
 666                                                SummaryColumnType type)
 667 {
 668         GtkTreeIter iter;
 669
 670         if (row >= 0) {
 671                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(store),
 672                                                    &iter, NULL, row))
 673                         row = -1;
 674         }
 675         if (row < 0) {
 676                 /* add new */
 677                 gtk_list_store_append(store, &iter);
 678                 gtk_list_store_set(store, &iter,
 679                                    SUMCOL_NAME, name,
 680                                    SUMCOL_TYPE, type,
 681                                    -1);
 682                 return;
 683         } else {
 684                 /* change existing */
 685                 gtk_list_store_set(store, &iter,
 686                                    SUMCOL_NAME, name,
 687                                    SUMCOL_TYPE, type,
 688                                    -1);
 689         }
 690 }
 691
 692 /*!
 693  *\brief        Return the columnn type for a row
 694  */
 695 static SummaryColumnType prefs_summary_column_get_column(GtkWidget *list, gint row)
 696 {
 697         GtkTreeView *list_view = GTK_TREE_VIEW(list);
 698         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 699         GtkTreeIter iter;
 700         SummaryColumnType result;
 701
 702         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
 703                 return -1;
 704
 705         gtk_tree_model_get(model, &iter,
 706                            SUMCOL_TYPE, &result,
 707                            -1);
 708
 709         return result;
 710 }
 711
 712 static GtkWidget *prefs_summary_column_list_view_create(const gchar *name)
 713 {
 714         GtkWidget *list_view;
 715         GtkTreeSelection *selector;
 716         GtkTreeModel *model;
 717
 718         model = GTK_TREE_MODEL(prefs_summary_column_create_store());
 719         list_view = gtk_tree_view_new_with_model(model);
 720         g_object_unref(G_OBJECT(model));
 721
 722         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 723                                      prefs_common.enable_rules_hint);
 724
 725         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 726         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 727
 728         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 729
 730         gtk_tree_view_enable_model_drag_source(GTK_TREE_VIEW(list_view),
 731                                                GDK_BUTTON1_MASK,
 732                                                row_targets,
 733                                                G_N_ELEMENTS(row_targets),
 734                                                GDK_ACTION_MOVE);
 735
 736         gtk_tree_view_enable_model_drag_dest(GTK_TREE_VIEW(list_view),
 737                                              row_targets,
 738                                              G_N_ELEMENTS(row_targets),
 739                                              GDK_ACTION_MOVE);
 740
 741         g_signal_connect(G_OBJECT(list_view), "drag_data_get",
 742                          G_CALLBACK(drag_data_get),
 743                          model);
 744
 745         g_signal_connect(G_OBJECT(list_view), "drag_data_received",
 746                          G_CALLBACK(drag_data_received),
 747                          model);
 748
 749         return list_view;
 750 }
 751
 752 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 753                                                      const gchar *name)
 754 {
 755         GtkTreeViewColumn *column;
 756         GtkCellRenderer *renderer;
 757
 758         renderer = gtk_cell_renderer_text_new();
 759         column = gtk_tree_view_column_new_with_attributes
 760                 (name, renderer, "text", SUMCOL_NAME, NULL);
 761         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 762 }
 763
 764 static void drag_data_get(GtkTreeView *tree_view, GdkDragContext *context,
 765                           GtkSelectionData *data, guint info,
 766                           guint time, GtkTreeModel *model)
 767 {
 768         GtkTreeIter iter;
 769         SummaryColumnType type;
 770         GtkTreeModel *source_model;
 771
 772         if (info != TARGET_INFO_SUMCOL)
 773                 return;
 774
 775         if (!gtk_tree_selection_get_selected
 776                         (gtk_tree_view_get_selection(tree_view),
 777                          &source_model, &iter))
 778                 return;
 779
 780         gtk_tree_model_get(source_model, &iter,
 781                            SUMCOL_TYPE, &type,
 782                            -1);
 783
 784         /* send the type */
 785         gtk_selection_data_set(data, data->target, 8, (gchar *) &type, sizeof type);
 786 }
 787
 788 static void drag_data_received(GtkTreeView *tree_view, GdkDragContext *context,
 789                                gint x, gint y, GtkSelectionData *data,
 790                                guint info, guint time, GtkTreeModel *model)
 791 {
 792         GtkWidget *source;
 793         GtkTreePath *dst = NULL, *sel = NULL;
 794         GtkTreeIter isel, idst;
 795         GtkTreeViewDropPosition pos;
 796         SummaryColumnType type;
 797         GtkTreeModel *sel_model;
 798         gchar *name;
 799
 800         source = gtk_drag_get_source_widget(context);
 801
 802         if (source == GTK_WIDGET(tree_view)) {
 803
 804                 /*
 805                  * Same widget: re-order
 806                  */
 807
 808                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(tree_view),
 809                                            NULL, &isel);
 810                 sel = gtk_tree_model_get_path(model, &isel);
 811                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y,
 812                                                   &dst, &pos);
 813
 814                 /* NOTE: dst is invalid if selection beyond last row, in that
 815                  * case move beyond last one (XXX_move_before(..., NULL)) */
 816
 817                 if (dst)
 818                         gtk_tree_model_get_iter(model, &idst, dst);
 819                 else
 820                         gtk_list_store_move_before(GTK_LIST_STORE(model),
 821                                                    &isel,
 822                                                    NULL);
 823
 824                 /* we do not drag if no valid dst and sel, and when
 825                  * dst and sel are the same (moving after or before
 826                  * itself doesn't change order...) */
 827                 if ((dst && sel) && gtk_tree_path_compare(sel, dst) != 0) {
 828                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 829                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 830                                 gtk_list_store_move_before(GTK_LIST_STORE(model),
 831                                                            &isel,
 832                                                            &idst);
 833                         else
 834                                 gtk_list_store_move_after(GTK_LIST_STORE(model),
 835                                                           &isel,
 836                                                           &idst);
 837
 838                 }
 839                 gtk_tree_path_free(dst);
 840                 gtk_tree_path_free(sel);
 841                 gtk_drag_finish(context, TRUE, FALSE, time);
 842
 843         } else if (source == summary_col.stock_list_view
 844         ||         source == summary_col.shown_list_view) {
 845
 846                 /*
 847                  * Other widget: change and update
 848                  */
 849
 850
 851                 /* get source information and remove */
 852                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(
 853                                                 GTK_TREE_VIEW(source)),
 854                                                 &sel_model, &isel);
 855                 type = *((gint *) data->data);
 856                 name = gettext(col_name[type]);
 857                 gtk_list_store_remove(GTK_LIST_STORE(sel_model), &isel);
 858
 859                 /* get insertion position */
 860                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y, &dst, &pos);
 861
 862                 /* NOTE: dst is invalid if insertion point beyond last row,
 863                  * just append to list in that case (XXX_store_append()) */
 864
 865                 if (dst) {
 866                         gtk_tree_model_get_iter(model, &idst, dst);
 867
 868                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 869                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 870                                 gtk_list_store_insert_before(GTK_LIST_STORE(model),
 871                                                              &isel,
 872                                                              &idst);
 873                         else
 874                                 gtk_list_store_insert_after(GTK_LIST_STORE(model),
 875                                                             &isel,
 876                                                             &idst);
 877                 } else
 878                         gtk_list_store_append(GTK_LIST_STORE(model),
 879                                               &isel);
 880
 881                 gtk_list_store_set(GTK_LIST_STORE(model), &isel,
 882                                    SUMCOL_NAME, name,
 883                                    SUMCOL_TYPE, type, -1);
 884                 gtk_tree_path_free(dst);
 885                 gtk_drag_finish(context, TRUE, FALSE, time);
 886         }
 887
 888         /* XXXX: should we call gtk_drag_finish() for other code paths? */
 889 }
 890