src/prefs_summary_column.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 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 <gtk/gtkmain.h>
  28 #include <gtk/gtkwindow.h>
  29 #include <gtk/gtkvbox.h>
  30 #include <gtk/gtkhbox.h>
  31 #include <gtk/gtkbutton.h>
  32 #include <gdk/gdkkeysyms.h>
  33
  34 #include "intl.h"
  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_("Date"),             /* S_COL_DATE    */
  85         N_("Size"),             /* S_COL_SIZE    */
  86         N_("Number"),           /* S_COL_NUMBER  */
  87         N_("Score"),            /* S_COL_SCORE   */
  88         N_("Locked"),           /* S_COL_LOCKED  */
  89 };
  90
  91 static SummaryColumnState default_state[N_SUMMARY_COLS] = {
  92         { S_COL_MARK   , TRUE  },
  93         { S_COL_STATUS , TRUE  },
  94         { S_COL_MIME   , TRUE  },
  95         { S_COL_SUBJECT, TRUE  },
  96         { S_COL_FROM   , TRUE  },
  97         { S_COL_DATE   , TRUE  },
  98         { S_COL_SIZE   , TRUE  },
  99         { S_COL_NUMBER , FALSE },
 100         { S_COL_SCORE  , FALSE },
 101         { S_COL_LOCKED , FALSE  },
 102 };
 103
 104 static void prefs_summary_column_create (void);
 105
 106 static void prefs_summary_column_set_dialog     (SummaryColumnState *state);
 107 static void prefs_summary_column_set_view       (void);
 108
 109 /* callback functions */
 110 static void prefs_summary_column_add    (void);
 111 static void prefs_summary_column_remove (void);
 112
 113 static void prefs_summary_column_up     (void);
 114 static void prefs_summary_column_down   (void);
 115
 116 static void prefs_summary_column_set_to_default (void);
 117
 118 static void prefs_summary_column_ok     (void);
 119 static void prefs_summary_column_cancel (void);
 120
 121 static gint prefs_summary_column_delete_event   (GtkWidget      *widget,
 122                                                  GdkEventAny    *event,
 123                                                  gpointer        data);
 124 static gboolean prefs_summary_column_key_pressed(GtkWidget      *widget,
 125                                                  GdkEventKey    *event,
 126                                                  gpointer        data);
 127
 128 static GtkListStore *prefs_summary_column_create_store  (void);
 129
 130 static gint prefs_summary_column_insert_column  (GtkListStore *store,
 131                                                  gint row,
 132                                                  const gchar *name,
 133                                                  SummaryColumnType type);
 134
 135 static SummaryColumnType prefs_summary_column_get_column        (GtkWidget *list,
 136                                                                  gint row);
 137
 138 static GtkWidget *prefs_summary_column_list_view_create (const gchar *name);
 139
 140 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view,
 141                                                          const gchar *name);
 142
 143 static void drag_data_get       (GtkTreeView *tree_view,
 144                                  GdkDragContext *context,
 145                                  GtkSelectionData *data,
 146                                  guint info,
 147                                  guint time,
 148                                  GtkTreeModel *model);
 149
 150 static void drag_data_received  (GtkTreeView *tree_view,
 151                                  GdkDragContext *context,
 152                                  gint x, gint y,
 153                                  GtkSelectionData *data,
 154                                  guint info,
 155                                  guint time,
 156                                  GtkTreeModel *model);
 157
 158 void prefs_summary_column_open(void)
 159 {
 160         inc_lock();
 161
 162         if (!summary_col.window)
 163                 prefs_summary_column_create();
 164
 165         manage_window_set_transient(GTK_WINDOW(summary_col.window));
 166         gtk_widget_grab_focus(summary_col.ok_btn);
 167
 168         prefs_summary_column_set_dialog(NULL);
 169
 170         gtk_widget_show(summary_col.window);
 171
 172         summary_col.finished = FALSE;
 173         while (summary_col.finished == FALSE)
 174                 gtk_main_iteration();
 175
 176         gtk_widget_hide(summary_col.window);
 177
 178         inc_unlock();
 179 }
 180
 181 static void prefs_summary_column_create(void)
 182 {
 183         GtkWidget *window;
 184         GtkWidget *vbox;
 185
 186         GtkWidget *label_hbox;
 187         GtkWidget *label;
 188
 189         GtkWidget *vbox1;
 190
 191         GtkWidget *hbox1;
 192         GtkWidget *clist_hbox;
 193         GtkWidget *scrolledwin;
 194         GtkWidget *stock_list_view;
 195         GtkWidget *shown_list_view;
 196
 197         GtkWidget *btn_vbox;
 198         GtkWidget *btn_vbox1;
 199         GtkWidget *add_btn;
 200         GtkWidget *remove_btn;
 201         GtkWidget *up_btn;
 202         GtkWidget *down_btn;
 203
 204         GtkWidget *btn_hbox;
 205         GtkWidget *default_btn;
 206         GtkWidget *confirm_area;
 207         GtkWidget *ok_btn;
 208         GtkWidget *cancel_btn;
 209
 210         debug_print("Creating summary column setting window...\n");
 211
 212         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 213         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 214         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 215         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 216         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 217         gtk_window_set_title(GTK_WINDOW(window),
 218                              _("Displayed items configuration"));
 219         g_signal_connect(G_OBJECT(window), "delete_event",
 220                          G_CALLBACK(prefs_summary_column_delete_event),
 221                          NULL);
 222         g_signal_connect(G_OBJECT(window), "key_press_event",
 223                          G_CALLBACK(prefs_summary_column_key_pressed),
 224                          NULL);
 225
 226         vbox = gtk_vbox_new(FALSE, 6);
 227         gtk_widget_show(vbox);
 228         gtk_container_add(GTK_CONTAINER(window), vbox);
 229
 230         label_hbox = gtk_hbox_new(FALSE, 0);
 231         gtk_widget_show(label_hbox);
 232         gtk_box_pack_start(GTK_BOX(vbox), label_hbox, FALSE, FALSE, 4);
 233
 234         label = gtk_label_new
 235                 (_("Select items to be displayed in the summary view. You can modify\n"
 236                    "the order by using the Up / Down buttons or by dragging the items."));
 237         gtk_widget_show(label);
 238         gtk_box_pack_start(GTK_BOX(label_hbox), label, FALSE, FALSE, 4);
 239         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 240
 241         vbox1 = gtk_vbox_new(FALSE, VSPACING);
 242         gtk_widget_show(vbox1);
 243         gtk_box_pack_start(GTK_BOX(vbox), vbox1, TRUE, TRUE, 0);
 244         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 2);
 245
 246         hbox1 = gtk_hbox_new(FALSE, 8);
 247         gtk_widget_show(hbox1);
 248         gtk_box_pack_start(GTK_BOX(vbox1), hbox1, FALSE, TRUE, 0);
 249
 250         clist_hbox = gtk_hbox_new(FALSE, 8);
 251         gtk_widget_show(clist_hbox);
 252         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 253
 254         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 255         gtk_widget_set_size_request(scrolledwin, 180, 210);
 256         gtk_widget_show(scrolledwin);
 257         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 258         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 259                                        GTK_POLICY_AUTOMATIC,
 260                                        GTK_POLICY_AUTOMATIC);
 261
 262
 263         stock_list_view = prefs_summary_column_list_view_create
 264                                 (_("Available items"));
 265         gtk_widget_show(stock_list_view);
 266         gtk_container_add(GTK_CONTAINER(scrolledwin), stock_list_view);
 267
 268         /* add/remove button */
 269         btn_vbox = gtk_vbox_new(FALSE, 0);
 270         gtk_widget_show(btn_vbox);
 271         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 272
 273         btn_vbox1 = gtk_vbox_new(FALSE, 8);
 274         gtk_widget_show(btn_vbox1);
 275         gtk_box_pack_start(GTK_BOX(btn_vbox), btn_vbox1, TRUE, FALSE, 0);
 276
 277         add_btn = gtk_button_new_with_label(_("  ->  "));
 278         gtk_widget_show(add_btn);
 279         gtk_box_pack_start(GTK_BOX(btn_vbox1), add_btn, FALSE, FALSE, 0);
 280
 281         remove_btn = gtk_button_new_with_label(_("  <-  "));
 282         gtk_widget_show(remove_btn);
 283         gtk_box_pack_start(GTK_BOX(btn_vbox1), remove_btn, FALSE, FALSE, 0);
 284
 285         g_signal_connect(G_OBJECT(add_btn), "clicked",
 286                          G_CALLBACK(prefs_summary_column_add), NULL);
 287         g_signal_connect(G_OBJECT(remove_btn), "clicked",
 288                          G_CALLBACK(prefs_summary_column_remove), NULL);
 289
 290         clist_hbox = gtk_hbox_new(FALSE, 8);
 291         gtk_widget_show(clist_hbox);
 292         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 293
 294         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 295         gtk_widget_set_size_request(scrolledwin, 180, 210);
 296         gtk_widget_show(scrolledwin);
 297         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 298         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 299                                        GTK_POLICY_AUTOMATIC,
 300                                        GTK_POLICY_AUTOMATIC);
 301
 302         shown_list_view = prefs_summary_column_list_view_create
 303                                 (_("Displayed items"));
 304         gtk_widget_show(shown_list_view);
 305         gtk_container_add(GTK_CONTAINER(scrolledwin), shown_list_view);
 306
 307         /* up/down button */
 308         btn_vbox = gtk_vbox_new(FALSE, 0);
 309         gtk_widget_show(btn_vbox);
 310         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 311
 312         btn_vbox1 = gtk_vbox_new(FALSE, 8);
 313         gtk_widget_show(btn_vbox1);
 314         gtk_box_pack_start(GTK_BOX(btn_vbox), btn_vbox1, TRUE, FALSE, 0);
 315
 316         up_btn = gtk_button_new_from_stock(GTK_STOCK_GO_UP);
 317         gtk_widget_show(up_btn);
 318         gtk_box_pack_start(GTK_BOX(btn_vbox1), up_btn, FALSE, FALSE, 0);
 319
 320         down_btn = gtk_button_new_from_stock(GTK_STOCK_GO_DOWN);
 321         gtk_widget_show(down_btn);
 322         gtk_box_pack_start(GTK_BOX(btn_vbox1), down_btn, FALSE, FALSE, 0);
 323
 324         g_signal_connect(G_OBJECT(up_btn), "clicked",
 325                          G_CALLBACK(prefs_summary_column_up), NULL);
 326         g_signal_connect(G_OBJECT(down_btn), "clicked",
 327                          G_CALLBACK(prefs_summary_column_down), NULL);
 328
 329         btn_hbox = gtk_hbox_new(FALSE, 8);
 330         gtk_widget_show(btn_hbox);
 331         gtk_box_pack_end(GTK_BOX(vbox), btn_hbox, FALSE, FALSE, 0);
 332
 333         btn_vbox = gtk_vbox_new(FALSE, 0);
 334         gtk_widget_show(btn_vbox);
 335         gtk_box_pack_start(GTK_BOX(btn_hbox), btn_vbox, FALSE, FALSE, 0);
 336
 337         default_btn = gtk_button_new_with_label(_(" Use default "));
 338         gtk_widget_show(default_btn);
 339         gtk_box_pack_start(GTK_BOX(btn_vbox), default_btn, TRUE, FALSE, 0);
 340         g_signal_connect(G_OBJECT(default_btn), "clicked",
 341                          G_CALLBACK(prefs_summary_column_set_to_default),
 342                          NULL);
 343
 344         gtkut_button_set_create_stock(&confirm_area, &ok_btn, GTK_STOCK_OK,
 345                                       &cancel_btn, GTK_STOCK_CANCEL, NULL, NULL);
 346         gtk_widget_show(confirm_area);
 347         gtk_box_pack_end(GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 348         gtk_widget_grab_default(ok_btn);
 349
 350         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 351                          G_CALLBACK(prefs_summary_column_ok), NULL);
 352         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 353                          G_CALLBACK(prefs_summary_column_cancel), NULL);
 354
 355
 356         summary_col.window      = window;
 357         summary_col.add_btn     = add_btn;
 358         summary_col.remove_btn  = remove_btn;
 359         summary_col.up_btn      = up_btn;
 360         summary_col.down_btn    = down_btn;
 361         summary_col.ok_btn      = ok_btn;
 362         summary_col.cancel_btn  = cancel_btn;
 363         summary_col.stock_list_view = stock_list_view;
 364         summary_col.shown_list_view = shown_list_view;
 365 }
 366
 367 SummaryColumnState *prefs_summary_column_get_config(void)
 368 {
 369         static SummaryColumnState state[N_SUMMARY_COLS];
 370         SummaryColumnType type;
 371         gint pos;
 372
 373         for (pos = 0; pos < N_SUMMARY_COLS; pos++)
 374                 state[pos].type = -1;
 375
 376         for (type = 0; type < N_SUMMARY_COLS; type++) {
 377                 pos = prefs_common.summary_col_pos[type];
 378                 if (pos < 0 || pos >= N_SUMMARY_COLS ||
 379                     state[pos].type != -1) {
 380                         g_warning("Wrong column position\n");
 381                         prefs_summary_column_set_config(default_state);
 382                         return default_state;
 383                 }
 384
 385                 state[pos].type = type;
 386                 state[pos].visible = prefs_common.summary_col_visible[type];
 387         }
 388
 389         return state;
 390 }
 391
 392 void prefs_summary_column_set_config(SummaryColumnState *state)
 393 {
 394         SummaryColumnType type;
 395         gint pos;
 396
 397         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
 398                 type = state[pos].type;
 399                 prefs_common.summary_col_visible[type] = state[pos].visible;
 400                 prefs_common.summary_col_pos[type] = pos;
 401         }
 402 }
 403
 404 static void prefs_summary_column_set_dialog(SummaryColumnState *state)
 405 {
 406         GtkListStore *stock_store, *shown_store;
 407         gint pos;
 408         SummaryColumnType type;
 409         gchar *name;
 410
 411         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 412                         (GTK_TREE_VIEW(summary_col.stock_list_view)));
 413         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 414                         (GTK_TREE_VIEW(summary_col.shown_list_view)));
 415
 416         gtk_list_store_clear(stock_store);
 417         gtk_list_store_clear(shown_store);
 418
 419         if (!state)
 420                 state = prefs_summary_column_get_config();
 421
 422         for (pos = 0; pos < N_SUMMARY_COLS; pos++) {
 423                 gint row;
 424                 type = state[pos].type;
 425                 name = gettext(col_name[type]);
 426
 427                 if (state[pos].visible)
 428                         prefs_summary_column_insert_column(shown_store,
 429                                                            -1, name,
 430                                                            type);
 431                 else
 432                         prefs_summary_column_insert_column(stock_store,
 433                                                             -1, name,
 434                                                             type);
 435         }
 436 }
 437
 438 static void prefs_summary_column_set_view(void)
 439 {
 440         gint stock_n_rows, shown_n_rows;
 441         SummaryColumnState state[N_SUMMARY_COLS];
 442         SummaryColumnType type;
 443         gint row, pos = 0;
 444
 445         stock_n_rows = gtk_tree_model_iter_n_children
 446                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 447                         (summary_col.stock_list_view)), NULL);
 448         shown_n_rows = gtk_tree_model_iter_n_children
 449                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 450                         (summary_col.shown_list_view)), NULL);
 451
 452         g_return_if_fail
 453                 (stock_n_rows + shown_n_rows == N_SUMMARY_COLS);
 454
 455         for (row = 0; row < stock_n_rows; row++) {
 456                 type = prefs_summary_column_get_column
 457                         (summary_col.stock_list_view, row);
 458                 state[row].type = type;
 459                 state[row].visible = FALSE;
 460         }
 461
 462         pos = row;
 463         for (row = 0; row < shown_n_rows; row++) {
 464                 type = prefs_summary_column_get_column
 465                         (summary_col.shown_list_view, row);
 466                 state[pos + row].type = type;
 467                 state[pos + row].visible = TRUE;
 468         }
 469
 470         prefs_summary_column_set_config(state);
 471         main_window_set_summary_column();
 472 }
 473
 474 static void prefs_summary_column_add(void)
 475 {
 476         GtkListStore *stock_store, *shown_store;
 477         GtkTreeIter stock_sel, shown_sel, shown_add;
 478         gboolean shown_sel_valid;
 479         gchar *name;
 480         SummaryColumnType type;
 481
 482         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 483                 (GTK_TREE_VIEW(summary_col.stock_list_view)));
 484         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 485                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 486
 487         if (!gtk_tree_selection_get_selected
 488                 (gtk_tree_view_get_selection
 489                         (GTK_TREE_VIEW(summary_col.stock_list_view)),
 490                  NULL,
 491                  &stock_sel))
 492                 return;
 493
 494         shown_sel_valid = gtk_tree_selection_get_selected
 495                 (gtk_tree_view_get_selection
 496                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 497                  NULL,
 498                  &shown_sel);
 499
 500         gtk_tree_model_get(GTK_TREE_MODEL(stock_store), &stock_sel,
 501                            SUMCOL_TYPE, &type,
 502                            -1);
 503
 504         gtk_list_store_remove(stock_store, &stock_sel);
 505
 506         gtk_list_store_insert_after(shown_store, &shown_add,
 507                                     shown_sel_valid ? &shown_sel : NULL);
 508
 509         name = gettext(col_name[type]);
 510
 511         gtk_list_store_set(shown_store, &shown_add,
 512                            SUMCOL_NAME, name,
 513                            SUMCOL_TYPE, type,
 514                            -1);
 515
 516         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 517                 (GTK_TREE_VIEW(summary_col.shown_list_view)),
 518                  &shown_add);
 519 }
 520
 521 static void prefs_summary_column_remove(void)
 522 {
 523         GtkListStore *stock_store, *shown_store;
 524         GtkTreeIter shown_sel, stock_sel, stock_add;
 525         gboolean stock_sel_valid;
 526         gchar *name;
 527         SummaryColumnType type;
 528
 529         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 530                 (GTK_TREE_VIEW(summary_col.stock_list_view)));
 531         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 532                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 533
 534         if (!gtk_tree_selection_get_selected
 535                 (gtk_tree_view_get_selection
 536                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 537                  NULL,
 538                  &shown_sel))
 539                 return;
 540
 541         stock_sel_valid = gtk_tree_selection_get_selected
 542                 (gtk_tree_view_get_selection
 543                         (GTK_TREE_VIEW(summary_col.stock_list_view)),
 544                  NULL,
 545                  &stock_sel);
 546
 547         gtk_tree_model_get(GTK_TREE_MODEL(shown_store), &shown_sel,
 548                            SUMCOL_TYPE, &type,
 549                            -1);
 550
 551         gtk_list_store_remove(shown_store, &shown_sel);
 552
 553         gtk_list_store_insert_after(stock_store, &stock_add,
 554                                     stock_sel_valid ? &stock_sel : NULL);
 555
 556         name = gettext(col_name[type]);
 557
 558         gtk_list_store_set(stock_store, &stock_add,
 559                            SUMCOL_NAME, name,
 560                            SUMCOL_TYPE, type,
 561                            -1);
 562
 563         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 564                 (GTK_TREE_VIEW(summary_col.stock_list_view)),
 565                 &stock_add);
 566 }
 567
 568 static void prefs_summary_column_up(void)
 569 {
 570         GtkTreePath *prev, *sel;
 571         GtkTreeIter isel;
 572         GtkListStore *shown_store;
 573         GtkTreeIter iprev;
 574
 575         if (!gtk_tree_selection_get_selected
 576                 (gtk_tree_view_get_selection
 577                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 578                  NULL,
 579                  &isel))
 580                 return;
 581
 582         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 583                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 584
 585         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(shown_store),
 586                                       &isel);
 587         if (!sel)
 588                 return;
 589
 590         prev = gtk_tree_path_copy(sel);
 591         if (!gtk_tree_path_prev(prev)) {
 592                 gtk_tree_path_free(prev);
 593                 gtk_tree_path_free(sel);
 594                 return;
 595         }
 596
 597         gtk_tree_model_get_iter(GTK_TREE_MODEL(shown_store),
 598                                 &iprev, prev);
 599         gtk_tree_path_free(sel);
 600         gtk_tree_path_free(prev);
 601
 602         gtk_list_store_swap(shown_store, &iprev, &isel);
 603 }
 604
 605 static void prefs_summary_column_down(void)
 606 {
 607         GtkListStore *shown_store;
 608         GtkTreeIter next, sel;
 609
 610         if (!gtk_tree_selection_get_selected
 611                 (gtk_tree_view_get_selection
 612                         (GTK_TREE_VIEW(summary_col.shown_list_view)),
 613                  NULL,
 614                  &sel))
 615                 return;
 616
 617         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 618                 (GTK_TREE_VIEW(summary_col.shown_list_view)));
 619
 620         next = sel;
 621         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(shown_store), &next))
 622                 return;
 623
 624         gtk_list_store_swap(shown_store, &next, &sel);
 625 }
 626
 627 static void prefs_summary_column_set_to_default(void)
 628 {
 629         prefs_summary_column_set_dialog(default_state);
 630 }
 631
 632 static void prefs_summary_column_ok(void)
 633 {
 634         if (!summary_col.finished) {
 635                 summary_col.finished = TRUE;
 636                 prefs_summary_column_set_view();
 637         }
 638 }
 639
 640 static void prefs_summary_column_cancel(void)
 641 {
 642         summary_col.finished = TRUE;
 643 }
 644
 645 static gint prefs_summary_column_delete_event(GtkWidget *widget,
 646                                               GdkEventAny *event,
 647                                               gpointer data)
 648 {
 649         summary_col.finished = TRUE;
 650         return TRUE;
 651 }
 652
 653 static gboolean prefs_summary_column_key_pressed(GtkWidget *widget,
 654                                                  GdkEventKey *event,
 655                                                  gpointer data)
 656 {
 657         if (event && event->keyval == GDK_Escape)
 658                 summary_col.finished = TRUE;
 659         return FALSE;
 660 }
 661
 662 static GtkListStore *prefs_summary_column_create_store(void)
 663 {
 664         return gtk_list_store_new(N_SUMCOL_COLUMNS,
 665                                   G_TYPE_STRING,
 666                                   G_TYPE_INT,
 667                                   -1);
 668 }
 669
 670 static gint prefs_summary_column_insert_column(GtkListStore *store,
 671                                                gint row,
 672                                                const gchar *name,
 673                                                SummaryColumnType type)
 674 {
 675         GtkTreeIter iter;
 676
 677         if (row >= 0) {
 678                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(store),
 679                                                    &iter, NULL, row))
 680                         row = -1;
 681         }
 682         if (row < 0) {
 683                 /* add new */
 684                 gtk_list_store_append(store, &iter);
 685                 gtk_list_store_set(store, &iter,
 686                                    SUMCOL_NAME, name,
 687                                    SUMCOL_TYPE, type,
 688                                    -1);
 689                 return -1 + gtk_tree_model_iter_n_children(GTK_TREE_MODEL(store),
 690                                                            NULL);
 691         } else {
 692                 /* change existing */
 693                 gtk_list_store_set(store, &iter,
 694                                    SUMCOL_NAME, name,
 695                                    SUMCOL_TYPE, type,
 696                                    -1);
 697         }
 698 }
 699
 700 /*!
 701  *\brief        Return the columnn type for a row
 702  */
 703 static SummaryColumnType prefs_summary_column_get_column(GtkWidget *list, gint row)
 704 {
 705         GtkTreeView *list_view = GTK_TREE_VIEW(list);
 706         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 707         GtkTreeIter iter;
 708         SummaryColumnType result;
 709
 710         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
 711                 return -1;
 712
 713         gtk_tree_model_get(model, &iter,
 714                            SUMCOL_TYPE, &result,
 715                            -1);
 716
 717         return result;
 718 }
 719
 720 static GtkWidget *prefs_summary_column_list_view_create(const gchar *name)
 721 {
 722         GtkWidget *list_view;
 723         GtkTreeSelection *selector;
 724         GtkTreeModel *model;
 725
 726         model = GTK_TREE_MODEL(prefs_summary_column_create_store());
 727         list_view = gtk_tree_view_new_with_model(model);
 728         g_object_unref(G_OBJECT(model));
 729
 730         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view), TRUE);
 731
 732         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 733         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 734
 735         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 736
 737         gtk_tree_view_enable_model_drag_source(GTK_TREE_VIEW(list_view),
 738                                                GDK_BUTTON1_MASK,
 739                                                row_targets,
 740                                                G_N_ELEMENTS(row_targets),
 741                                                GDK_ACTION_MOVE);
 742
 743         gtk_tree_view_enable_model_drag_dest(GTK_TREE_VIEW(list_view),
 744                                              row_targets,
 745                                              G_N_ELEMENTS(row_targets),
 746                                              GDK_ACTION_MOVE);
 747
 748         g_signal_connect(G_OBJECT(list_view), "drag_data_get",
 749                          G_CALLBACK(drag_data_get),
 750                          model);
 751
 752         g_signal_connect(G_OBJECT(list_view), "drag_data_received",
 753                          G_CALLBACK(drag_data_received),
 754                          model);
 755
 756         return list_view;
 757 }
 758
 759 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 760                                                      const gchar *name)
 761 {
 762         GtkTreeViewColumn *column;
 763         GtkCellRenderer *renderer;
 764
 765         renderer = gtk_cell_renderer_text_new();
 766         column = gtk_tree_view_column_new_with_attributes
 767                 (name, renderer, "text", SUMCOL_NAME, NULL);
 768         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 769 }
 770
 771 static void drag_data_get(GtkTreeView *tree_view, GdkDragContext *context,
 772                           GtkSelectionData *data, guint info,
 773                           guint time, GtkTreeModel *model)
 774 {
 775         GtkWidget *source;
 776         GtkTreeIter iter;
 777         SummaryColumnType type;
 778         GtkTreeModel *source_model;
 779
 780         if (info != TARGET_INFO_SUMCOL)
 781                 return;
 782
 783         if (!gtk_tree_selection_get_selected
 784                         (gtk_tree_view_get_selection(tree_view),
 785                          &source_model, &iter))
 786                 return;
 787
 788         gtk_tree_model_get(source_model, &iter,
 789                            SUMCOL_TYPE, &type,
 790                            -1);
 791
 792         /* send the type */
 793         gtk_selection_data_set(data, data->target, 8, (gchar *) &type, sizeof type);
 794 }
 795
 796 static void drag_data_received(GtkTreeView *tree_view, GdkDragContext *context,
 797                                gint x, gint y, GtkSelectionData *data,
 798                                guint info, guint time, GtkTreeModel *model)
 799 {
 800         GtkWidget *source;
 801         GtkTreePath *dst = NULL, *sel = NULL;
 802         GtkTreeIter isel, idst;
 803         GtkTreeViewDropPosition pos;
 804         gboolean before;
 805         SummaryColumnType type;
 806         GtkTreeModel *sel_model;
 807         gchar *name;
 808
 809         source = gtk_drag_get_source_widget(context);
 810
 811         if (source == GTK_WIDGET(tree_view)) {
 812
 813                 /*
 814                  * Same widget: re-order
 815                  */
 816
 817                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(tree_view),
 818                                            NULL, &isel);
 819                 sel = gtk_tree_model_get_path(model, &isel);
 820                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y,
 821                                                   &dst, &pos);
 822
 823                 /* NOTE: dst is invalid if selection beyond last row, in that
 824                  * case move beyond last one (XXX_move_before(..., NULL)) */
 825
 826                 if (dst)
 827                         gtk_tree_model_get_iter(model, &idst, dst);
 828                 else
 829                         gtk_list_store_move_before(GTK_LIST_STORE(model),
 830                                                    &isel,
 831                                                    NULL);
 832
 833                 /* we do not drag if no valid dst and sel, and when
 834                  * dst and sel are the same (moving after or before
 835                  * itself doesn't change order...) */
 836                 if ((dst && sel) && gtk_tree_path_compare(sel, dst) != 0) {
 837                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 838                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 839                                 gtk_list_store_move_before(GTK_LIST_STORE(model),
 840                                                            &isel,
 841                                                            &idst);
 842                         else
 843                                 gtk_list_store_move_after(GTK_LIST_STORE(model),
 844                                                           &isel,
 845                                                           &idst);
 846
 847                 }
 848                 gtk_tree_path_free(dst);
 849                 gtk_tree_path_free(sel);
 850                 gtk_drag_finish(context, TRUE, FALSE, time);
 851
 852         } else if (source == summary_col.stock_list_view
 853         ||         source == summary_col.shown_list_view) {
 854
 855                 /*
 856                  * Other widget: change and update
 857                  */
 858
 859
 860                 /* get source information and remove */
 861                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(
 862                                                 GTK_TREE_VIEW(source)),
 863                                                 &sel_model, &isel);
 864                 type = *((gint *) data->data);
 865                 name = gettext(col_name[type]);
 866                 gtk_list_store_remove(GTK_LIST_STORE(sel_model), &isel);
 867
 868                 /* get insertion position */
 869                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y, &dst, &pos);
 870
 871                 /* NOTE: dst is invalid if insertion point beyond last row,
 872                  * just append to list in that case (XXX_store_append()) */
 873
 874                 if (dst) {
 875                         gtk_tree_model_get_iter(model, &idst, dst);
 876
 877                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 878                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 879                                 gtk_list_store_insert_before(GTK_LIST_STORE(model),
 880                                                              &isel,
 881                                                              &idst);
 882                         else
 883                                 gtk_list_store_insert_after(GTK_LIST_STORE(model),
 884                                                             &isel,
 885                                                             &idst);
 886                 } else
 887                         gtk_list_store_append(GTK_LIST_STORE(model),
 888                                               &isel);
 889
 890                 gtk_list_store_set(GTK_LIST_STORE(model), &isel,
 891                                    SUMCOL_NAME, name,
 892                                    SUMCOL_TYPE, type, -1);
 893                 gtk_tree_path_free(dst);
 894                 gtk_drag_finish(context, TRUE, FALSE, time);
 895         }
 896
 897         /* XXXX: should we call gtk_drag_finish() for other code paths? */
 898 }
 899