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 void prefs_summary_column_open(void)
 163 {
 164         inc_lock();
 165
 166         if (!summary_col.window)
 167                 prefs_summary_column_create();
 168
 169         manage_window_set_transient(GTK_WINDOW(summary_col.window));
 170         gtk_widget_grab_focus(summary_col.ok_btn);
 171
 172         prefs_summary_column_set_dialog(NULL);
 173
 174         gtk_widget_show(summary_col.window);
 175
 176         summary_col.finished = FALSE;
 177         while (summary_col.finished == FALSE)
 178                 gtk_main_iteration();
 179
 180         gtk_widget_hide(summary_col.window);
 181
 182         inc_unlock();
 183 }
 184
 185 static void prefs_summary_column_create(void)
 186 {
 187         GtkWidget *window;
 188         GtkWidget *vbox;
 189
 190         GtkWidget *label_hbox;
 191         GtkWidget *label;
 192
 193         GtkWidget *vbox1;
 194
 195         GtkWidget *hbox1;
 196         GtkWidget *clist_hbox;
 197         GtkWidget *scrolledwin;
 198         GtkWidget *stock_list_view;
 199         GtkWidget *shown_list_view;
 200
 201         GtkWidget *btn_vbox;
 202         GtkWidget *add_btn;
 203         GtkWidget *remove_btn;
 204         GtkWidget *up_btn;
 205         GtkWidget *down_btn;
 206
 207         GtkWidget *btn_hbox;
 208         GtkWidget *default_btn;
 209         GtkWidget *confirm_area;
 210         GtkWidget *ok_btn;
 211         GtkWidget *cancel_btn;
 212
 213         debug_print("Creating summary column setting window...\n");
 214
 215         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_summary_column");
 216         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 217         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 218         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 219         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 220         gtk_window_set_title(GTK_WINDOW(window),
 221                              _("Message list columns configuration"));
 222         g_signal_connect(G_OBJECT(window), "delete_event",
 223                          G_CALLBACK(prefs_summary_column_delete_event),
 224                          NULL);
 225         g_signal_connect(G_OBJECT(window), "key_press_event",
 226                          G_CALLBACK(prefs_summary_column_key_pressed),
 227                          NULL);
 228
 229         vbox = gtk_vbox_new(FALSE, 6);
 230         gtk_widget_show(vbox);
 231         gtk_container_add(GTK_CONTAINER(window), vbox);
 232
 233         label_hbox = gtk_hbox_new(FALSE, 0);
 234         gtk_widget_show(label_hbox);
 235         gtk_box_pack_start(GTK_BOX(vbox), label_hbox, FALSE, FALSE, 4);
 236
 237         label = gtk_label_new
 238                 (_("Select columns to be displayed in the message list. You can modify\n"
 239                    "the order by using the Up / Down buttons or by dragging the items."));
 240         gtk_widget_show(label);
 241         gtk_box_pack_start(GTK_BOX(label_hbox), label, FALSE, FALSE, 4);
 242         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 243
 244         vbox1 = gtk_vbox_new(FALSE, VSPACING);
 245         gtk_widget_show(vbox1);
 246         gtk_box_pack_start(GTK_BOX(vbox), vbox1, TRUE, TRUE, 0);
 247         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 2);
 248
 249         hbox1 = gtk_hbox_new(FALSE, 8);
 250         gtk_widget_show(hbox1);
 251         gtk_box_pack_start(GTK_BOX(vbox1), hbox1, FALSE, TRUE, 0);
 252
 253         clist_hbox = gtk_hbox_new(FALSE, 8);
 254         gtk_widget_show(clist_hbox);
 255         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 256
 257         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 258         gtk_widget_set_size_request(scrolledwin, 180, 210);
 259         gtk_widget_show(scrolledwin);
 260         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 261         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 262                                        GTK_POLICY_AUTOMATIC,
 263                                        GTK_POLICY_AUTOMATIC);
 264
 265
 266         stock_list_view = prefs_summary_column_list_view_create
 267                                 (_("Hidden columns"));
 268         gtk_widget_show(stock_list_view);
 269         gtk_container_add(GTK_CONTAINER(scrolledwin), stock_list_view);
 270
 271         /* add/remove button */
 272         btn_vbox = gtk_vbox_new(FALSE, 8);
 273         gtk_widget_show(btn_vbox);
 274         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 275
 276         add_btn = gtk_button_new_from_stock(GTK_STOCK_ADD);
 277         gtk_widget_show(add_btn);
 278         gtk_box_pack_start(GTK_BOX(btn_vbox), add_btn, FALSE, TRUE, 0);
 279
 280         g_signal_connect(G_OBJECT(add_btn), "clicked",
 281                          G_CALLBACK(prefs_summary_column_add), NULL);
 282
 283         clist_hbox = gtk_hbox_new(FALSE, 8);
 284         gtk_widget_show(clist_hbox);
 285         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 286
 287         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 288         gtk_widget_set_size_request(scrolledwin, 180, 210);
 289         gtk_widget_show(scrolledwin);
 290         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 291         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 292                                        GTK_POLICY_AUTOMATIC,
 293                                        GTK_POLICY_AUTOMATIC);
 294
 295         shown_list_view = prefs_summary_column_list_view_create
 296                                 (_("Displayed columns"));
 297         gtk_widget_show(shown_list_view);
 298         gtk_container_add(GTK_CONTAINER(scrolledwin), shown_list_view);
 299
 300         /* up/down button */
 301         btn_vbox = gtk_vbox_new(FALSE, 8);
 302         gtk_widget_show(btn_vbox);
 303         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 304
 305         remove_btn = gtk_button_new_from_stock(GTK_STOCK_REMOVE);
 306         gtk_widget_show(remove_btn);
 307         gtk_box_pack_start(GTK_BOX(btn_vbox), remove_btn, FALSE, TRUE, 0);
 308
 309         up_btn = gtk_button_new_from_stock(GTK_STOCK_GO_UP);
 310         gtk_widget_show(up_btn);
 311         gtk_box_pack_start(GTK_BOX(btn_vbox), up_btn, FALSE, TRUE, 0);
 312
 313         down_btn = gtk_button_new_from_stock(GTK_STOCK_GO_DOWN);
 314         gtk_widget_show(down_btn);
 315         gtk_box_pack_start(GTK_BOX(btn_vbox), down_btn, FALSE, TRUE, 0);
 316
 317         g_signal_connect(G_OBJECT(remove_btn), "clicked",
 318                          G_CALLBACK(prefs_summary_column_remove), NULL);
 319         g_signal_connect(G_OBJECT(up_btn), "clicked",
 320                          G_CALLBACK(prefs_summary_column_up), NULL);
 321         g_signal_connect(G_OBJECT(down_btn), "clicked",
 322                          G_CALLBACK(prefs_summary_column_down), NULL);
 323
 324         btn_hbox = gtk_hbox_new(FALSE, 8);
 325         gtk_widget_show(btn_hbox);
 326         gtk_box_pack_end(GTK_BOX(vbox), btn_hbox, FALSE, FALSE, 0);
 327
 328         btn_vbox = gtk_vbox_new(FALSE, 0);
 329         gtk_widget_show(btn_vbox);
 330         gtk_box_pack_start(GTK_BOX(btn_hbox), btn_vbox, FALSE, FALSE, 0);
 331
 332         default_btn = gtk_button_new_with_label(_(" Use default "));
 333         gtk_widget_show(default_btn);
 334         gtk_box_pack_start(GTK_BOX(btn_vbox), default_btn, TRUE, FALSE, 0);
 335         g_signal_connect(G_OBJECT(default_btn), "clicked",
 336                          G_CALLBACK(prefs_summary_column_set_to_default),
 337                          NULL);
 338
 339         gtkut_stock_button_set_create(&confirm_area,
 340                                       &cancel_btn, GTK_STOCK_CANCEL,
 341                                       &ok_btn, GTK_STOCK_OK,
 342                                       NULL, NULL);
 343         gtk_widget_show(confirm_area);
 344         gtk_box_pack_end(GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 345         gtk_widget_grab_default(ok_btn);
 346
 347         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 348                          G_CALLBACK(prefs_summary_column_ok), NULL);
 349         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 350                          G_CALLBACK(prefs_summary_column_cancel), NULL);
 351
 352
 353         summary_col.window      = window;
 354         summary_col.add_btn     = add_btn;
 355         summary_col.remove_btn  = remove_btn;
 356         summary_col.up_btn      = up_btn;
 357         summary_col.down_btn    = down_btn;
 358         summary_col.ok_btn      = ok_btn;
 359         summary_col.cancel_btn  = cancel_btn;
 360         summary_col.stock_list_view = stock_list_view;
 361         summary_col.shown_list_view = shown_list_view;
 362 }
 363
 364 SummaryColumnState *prefs_summary_column_get_config(void)
 365 {
 366         static SummaryColumnState state[N_SUMMARY_COLS];
 367         SummaryColumnType type;
 368         gint pos;
 369
 370         for (pos = 0; pos < N_SUMMARY_COLS; pos++)
 371                 state[pos].type = -1;
 372
 373         for (type = 0; type < N_SUMMARY_COLS; type++) {
 374                 pos = prefs_common.summary_col_pos[type];
 375                 if (pos < 0 || pos >= N_SUMMARY_COLS ||
 376                     state[pos].type != -1) {
 377                         g_warning("Wrong column position\n");
 378                         prefs_summary_column_set_config(default_state);
 379                         return default_state;
 380                 }
 381
 382                 state[pos].type = type;
 383                 state[pos].visible = prefs_common.summary_col_visible[type];
 384         }
 385
 386         return state;
 387 }
 388
 389 void prefs_summary_column_set_config(SummaryColumnState *state)
 390 {
 391         SummaryColumnType type;
 392         gint pos;
 393
 394         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
 395                 type = state[pos].type;
 396                 prefs_common.summary_col_visible[type] = state[pos].visible;
 397                 prefs_common.summary_col_pos[type] = pos;
 398         }
 399 }
 400
 401 static void prefs_summary_column_set_dialog(SummaryColumnState *state)
 402 {
 403         GtkListStore *stock_store, *shown_store;
 404         gint pos;
 405         SummaryColumnType type;
 406         gchar *name;
 407
 408         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 409                         (GTK_TREE_VIEW(summary_col.stock_list_view)));
 410         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 411                         (GTK_TREE_VIEW(summary_col.shown_list_view)));
 412
 413         gtk_list_store_clear(stock_store);
 414         gtk_list_store_clear(shown_store);
 415
 416         if (!state)
 417                 state = prefs_summary_column_get_config();
 418
 419         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
 420                 type = state[pos].type;
 421                 name = gettext(col_name[type]);
 422
 423                 if (state[pos].visible)
 424                         prefs_summary_column_insert_column(shown_store,
 425                                                            -1, name,
 426                                                            type);
 427                 else
 428                         prefs_summary_column_insert_column(stock_store,
 429                                                             -1, name,
 430                                                             type);
 431         }
 432 }
 433
 434 static void prefs_summary_column_set_view(void)
 435 {
 436         gint stock_n_rows, shown_n_rows;
 437         SummaryColumnState state[N_SUMMARY_COLS];
 438         SummaryColumnType type;
 439         gint row, pos = 0;
 440
 441         stock_n_rows = gtk_tree_model_iter_n_children
 442                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 443                         (summary_col.stock_list_view)), NULL);
 444         shown_n_rows = gtk_tree_model_iter_n_children
 445                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 446                         (summary_col.shown_list_view)), NULL);
 447
 448         g_return_if_fail
 449                 (stock_n_rows + shown_n_rows == N_SUMMARY_COLS);
 450
 451         for (row = 0; row < stock_n_rows; row++) {
 452                 type = prefs_summary_column_get_column
 453                         (summary_col.stock_list_view, row);
 454                 state[row].type = type;
 455                 state[row].visible = FALSE;
 456         }
 457
 458         pos = row;
 459         for (row = 0; row < shown_n_rows; row++) {
 460                 type = prefs_summary_column_get_column
 461                         (summary_col.shown_list_view, row);
 462                 state[pos + row].type = type;
 463                 state[pos + row].visible = TRUE;
 464         }
 465
 466         prefs_summary_column_set_config(state);
 467         main_window_set_summary_column();
 468 }
 469
 470 static void prefs_summary_column_add(void)
 471 {
 472         GtkListStore *stock_store, *shown_store;
 473         GtkTreeIter stock_sel, shown_sel, shown_add;
 474         gboolean shown_sel_valid;
 475         gchar *name;
 476         SummaryColumnType type;
 477
 478         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 479                 (GTK_TREE_VIEW(summary_col.stock_list_view)));
 480         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 481                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 482
 483         if (!gtk_tree_selection_get_selected
 484                 (gtk_tree_view_get_selection
 485                         (GTK_TREE_VIEW(summary_col.stock_list_view)),
 486                  NULL,
 487                  &stock_sel))
 488                 return;
 489
 490         shown_sel_valid = gtk_tree_selection_get_selected
 491                 (gtk_tree_view_get_selection
 492                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 493                  NULL,
 494                  &shown_sel);
 495
 496         gtk_tree_model_get(GTK_TREE_MODEL(stock_store), &stock_sel,
 497                            SUMCOL_TYPE, &type,
 498                            -1);
 499
 500         gtk_list_store_remove(stock_store, &stock_sel);
 501
 502         gtk_list_store_insert_after(shown_store, &shown_add,
 503                                     shown_sel_valid ? &shown_sel : NULL);
 504
 505         name = gettext(col_name[type]);
 506
 507         gtk_list_store_set(shown_store, &shown_add,
 508                            SUMCOL_NAME, name,
 509                            SUMCOL_TYPE, type,
 510                            -1);
 511
 512         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 513                 (GTK_TREE_VIEW(summary_col.shown_list_view)),
 514                  &shown_add);
 515 }
 516
 517 static void prefs_summary_column_remove(void)
 518 {
 519         GtkListStore *stock_store, *shown_store;
 520         GtkTreeIter shown_sel, stock_sel, stock_add;
 521         gboolean stock_sel_valid;
 522         gchar *name;
 523         SummaryColumnType type;
 524
 525         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 526                 (GTK_TREE_VIEW(summary_col.stock_list_view)));
 527         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 528                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 529
 530         if (!gtk_tree_selection_get_selected
 531                 (gtk_tree_view_get_selection
 532                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 533                  NULL,
 534                  &shown_sel))
 535                 return;
 536
 537         stock_sel_valid = gtk_tree_selection_get_selected
 538                 (gtk_tree_view_get_selection
 539                         (GTK_TREE_VIEW(summary_col.stock_list_view)),
 540                  NULL,
 541                  &stock_sel);
 542
 543         gtk_tree_model_get(GTK_TREE_MODEL(shown_store), &shown_sel,
 544                            SUMCOL_TYPE, &type,
 545                            -1);
 546
 547         gtk_list_store_remove(shown_store, &shown_sel);
 548
 549         gtk_list_store_insert_after(stock_store, &stock_add,
 550                                     stock_sel_valid ? &stock_sel : NULL);
 551
 552         name = gettext(col_name[type]);
 553
 554         gtk_list_store_set(stock_store, &stock_add,
 555                            SUMCOL_NAME, name,
 556                            SUMCOL_TYPE, type,
 557                            -1);
 558
 559         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 560                 (GTK_TREE_VIEW(summary_col.stock_list_view)),
 561                 &stock_add);
 562 }
 563
 564 static void prefs_summary_column_up(void)
 565 {
 566         GtkTreePath *prev, *sel;
 567         GtkTreeIter isel;
 568         GtkListStore *shown_store;
 569         GtkTreeIter iprev;
 570
 571         if (!gtk_tree_selection_get_selected
 572                 (gtk_tree_view_get_selection
 573                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 574                  NULL,
 575                  &isel))
 576                 return;
 577
 578         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 579                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 580
 581         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(shown_store),
 582                                       &isel);
 583         if (!sel)
 584                 return;
 585
 586         prev = gtk_tree_path_copy(sel);
 587         if (!gtk_tree_path_prev(prev)) {
 588                 gtk_tree_path_free(prev);
 589                 gtk_tree_path_free(sel);
 590                 return;
 591         }
 592
 593         gtk_tree_model_get_iter(GTK_TREE_MODEL(shown_store),
 594                                 &iprev, prev);
 595         gtk_tree_path_free(sel);
 596         gtk_tree_path_free(prev);
 597
 598         gtk_list_store_swap(shown_store, &iprev, &isel);
 599 }
 600
 601 static void prefs_summary_column_down(void)
 602 {
 603         GtkListStore *shown_store;
 604         GtkTreeIter next, sel;
 605
 606         if (!gtk_tree_selection_get_selected
 607                 (gtk_tree_view_get_selection
 608                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 609                  NULL,
 610                  &sel))
 611                 return;
 612
 613         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 614                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 615
 616         next = sel;
 617         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(shown_store), &next))
 618                 return;
 619
 620         gtk_list_store_swap(shown_store, &next, &sel);
 621 }
 622
 623 static void prefs_summary_column_set_to_default(void)
 624 {
 625         prefs_summary_column_set_dialog(default_state);
 626 }
 627
 628 static void prefs_summary_column_ok(void)
 629 {
 630         if (!summary_col.finished) {
 631                 summary_col.finished = TRUE;
 632                 prefs_summary_column_set_view();
 633         }
 634 }
 635
 636 static void prefs_summary_column_cancel(void)
 637 {
 638         summary_col.finished = TRUE;
 639 }
 640
 641 static gint prefs_summary_column_delete_event(GtkWidget *widget,
 642                                               GdkEventAny *event,
 643                                               gpointer data)
 644 {
 645         summary_col.finished = TRUE;
 646         return TRUE;
 647 }
 648
 649 static gboolean prefs_summary_column_key_pressed(GtkWidget *widget,
 650                                                  GdkEventKey *event,
 651                                                  gpointer data)
 652 {
 653         if (event && event->keyval == GDK_Escape)
 654                 summary_col.finished = TRUE;
 655         return FALSE;
 656 }
 657
 658 static GtkListStore *prefs_summary_column_create_store(void)
 659 {
 660         return gtk_list_store_new(N_SUMCOL_COLUMNS,
 661                                   G_TYPE_STRING,
 662                                   G_TYPE_INT,
 663                                   -1);
 664 }
 665
 666 static void prefs_summary_column_insert_column(GtkListStore *store,
 667                                                gint row,
 668                                                const gchar *name,
 669                                                SummaryColumnType type)
 670 {
 671         GtkTreeIter iter;
 672
 673         if (row >= 0) {
 674                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(store),
 675                                                    &iter, NULL, row))
 676                         row = -1;
 677         }
 678         if (row < 0) {
 679                 /* add new */
 680                 gtk_list_store_append(store, &iter);
 681                 gtk_list_store_set(store, &iter,
 682                                    SUMCOL_NAME, name,
 683                                    SUMCOL_TYPE, type,
 684                                    -1);
 685                 return;
 686         } else {
 687                 /* change existing */
 688                 gtk_list_store_set(store, &iter,
 689                                    SUMCOL_NAME, name,
 690                                    SUMCOL_TYPE, type,
 691                                    -1);
 692         }
 693 }
 694
 695 /*!
 696  *\brief        Return the columnn type for a row
 697  */
 698 static SummaryColumnType prefs_summary_column_get_column(GtkWidget *list, gint row)
 699 {
 700         GtkTreeView *list_view = GTK_TREE_VIEW(list);
 701         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 702         GtkTreeIter iter;
 703         SummaryColumnType result;
 704
 705         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
 706                 return -1;
 707
 708         gtk_tree_model_get(model, &iter,
 709                            SUMCOL_TYPE, &result,
 710                            -1);
 711
 712         return result;
 713 }
 714
 715 static GtkWidget *prefs_summary_column_list_view_create(const gchar *name)
 716 {
 717         GtkWidget *list_view;
 718         GtkTreeSelection *selector;
 719         GtkTreeModel *model;
 720
 721         model = GTK_TREE_MODEL(prefs_summary_column_create_store());
 722         list_view = gtk_tree_view_new_with_model(model);
 723         g_object_unref(G_OBJECT(model));
 724
 725         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 726                                      prefs_common.use_stripes_everywhere);
 727
 728         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 729         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 730
 731         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 732
 733         gtk_tree_view_enable_model_drag_source(GTK_TREE_VIEW(list_view),
 734                                                GDK_BUTTON1_MASK,
 735                                                row_targets,
 736                                                G_N_ELEMENTS(row_targets),
 737                                                GDK_ACTION_MOVE);
 738
 739         gtk_tree_view_enable_model_drag_dest(GTK_TREE_VIEW(list_view),
 740                                              row_targets,
 741                                              G_N_ELEMENTS(row_targets),
 742                                              GDK_ACTION_MOVE);
 743
 744         g_signal_connect(G_OBJECT(list_view), "drag_data_get",
 745                          G_CALLBACK(drag_data_get),
 746                          model);
 747
 748         g_signal_connect(G_OBJECT(list_view), "drag_data_received",
 749                          G_CALLBACK(drag_data_received),
 750                          model);
 751
 752         return list_view;
 753 }
 754
 755 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 756                                                      const gchar *name)
 757 {
 758         GtkTreeViewColumn *column;
 759         GtkCellRenderer *renderer;
 760
 761         renderer = gtk_cell_renderer_text_new();
 762         column = gtk_tree_view_column_new_with_attributes
 763                 (name, renderer, "text", SUMCOL_NAME, NULL);
 764         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 765 }
 766
 767 static void drag_data_get(GtkTreeView *tree_view, GdkDragContext *context,
 768                           GtkSelectionData *data, guint info,
 769                           guint time, GtkTreeModel *model)
 770 {
 771         GtkTreeIter iter;
 772         SummaryColumnType type;
 773         GtkTreeModel *source_model;
 774
 775         if (info != TARGET_INFO_SUMCOL)
 776                 return;
 777
 778         if (!gtk_tree_selection_get_selected
 779                         (gtk_tree_view_get_selection(tree_view),
 780                          &source_model, &iter))
 781                 return;
 782
 783         gtk_tree_model_get(source_model, &iter,
 784                            SUMCOL_TYPE, &type,
 785                            -1);
 786
 787         /* send the type */
 788         gtk_selection_data_set(data, data->target, 8, (gchar *) &type, sizeof type);
 789 }
 790
 791 static void drag_data_received(GtkTreeView *tree_view, GdkDragContext *context,
 792                                gint x, gint y, GtkSelectionData *data,
 793                                guint info, guint time, GtkTreeModel *model)
 794 {
 795         GtkWidget *source;
 796         GtkTreePath *dst = NULL, *sel = NULL;
 797         GtkTreeIter isel, idst;
 798         GtkTreeViewDropPosition pos;
 799         SummaryColumnType type;
 800         GtkTreeModel *sel_model;
 801         gchar *name;
 802
 803         source = gtk_drag_get_source_widget(context);
 804
 805         if (source == GTK_WIDGET(tree_view)) {
 806
 807                 /*
 808                  * Same widget: re-order
 809                  */
 810
 811                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(tree_view),
 812                                            NULL, &isel);
 813                 sel = gtk_tree_model_get_path(model, &isel);
 814                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y,
 815                                                   &dst, &pos);
 816
 817                 /* NOTE: dst is invalid if selection beyond last row, in that
 818                  * case move beyond last one (XXX_move_before(..., NULL)) */
 819
 820                 if (dst)
 821                         gtk_tree_model_get_iter(model, &idst, dst);
 822                 else
 823                         gtk_list_store_move_before(GTK_LIST_STORE(model),
 824                                                    &isel,
 825                                                    NULL);
 826
 827                 /* we do not drag if no valid dst and sel, and when
 828                  * dst and sel are the same (moving after or before
 829                  * itself doesn't change order...) */
 830                 if ((dst && sel) && gtk_tree_path_compare(sel, dst) != 0) {
 831                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 832                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 833                                 gtk_list_store_move_before(GTK_LIST_STORE(model),
 834                                                            &isel,
 835                                                            &idst);
 836                         else
 837                                 gtk_list_store_move_after(GTK_LIST_STORE(model),
 838                                                           &isel,
 839                                                           &idst);
 840
 841                 }
 842                 gtk_tree_path_free(dst);
 843                 gtk_tree_path_free(sel);
 844                 gtk_drag_finish(context, TRUE, FALSE, time);
 845
 846         } else if (source == summary_col.stock_list_view
 847         ||         source == summary_col.shown_list_view) {
 848
 849                 /*
 850                  * Other widget: change and update
 851                  */
 852
 853
 854                 /* get source information and remove */
 855                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(
 856                                                 GTK_TREE_VIEW(source)),
 857                                                 &sel_model, &isel);
 858                 type = *((gint *) data->data);
 859                 name = gettext(col_name[type]);
 860                 gtk_list_store_remove(GTK_LIST_STORE(sel_model), &isel);
 861
 862                 /* get insertion position */
 863                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y, &dst, &pos);
 864
 865                 /* NOTE: dst is invalid if insertion point beyond last row,
 866                  * just append to list in that case (XXX_store_append()) */
 867
 868                 if (dst) {
 869                         gtk_tree_model_get_iter(model, &idst, dst);
 870
 871                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 872                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 873                                 gtk_list_store_insert_before(GTK_LIST_STORE(model),
 874                                                              &isel,
 875                                                              &idst);
 876                         else
 877                                 gtk_list_store_insert_after(GTK_LIST_STORE(model),
 878                                                             &isel,
 879                                                             &idst);
 880                 } else
 881                         gtk_list_store_append(GTK_LIST_STORE(model),
 882                                               &isel);
 883
 884                 gtk_list_store_set(GTK_LIST_STORE(model), &isel,
 885                                    SUMCOL_NAME, name,
 886                                    SUMCOL_TYPE, type, -1);
 887                 gtk_tree_path_free(dst);
 888                 gtk_drag_finish(context, TRUE, FALSE, time);
 889         }
 890
 891         /* XXXX: should we call gtk_drag_finish() for other code paths? */
 892 }
 893