src/prefs_folder_column.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2011 Hiroyuki Yamamoto & 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/gtk.h>
  29 #include <gdk/gdkkeysyms.h>
  30
  31 #include "prefs_gtk.h"
  32 #include "prefs_common.h"
  33 #include "prefs_folder_column.h"
  34 #include "manage_window.h"
  35 #include "folderview.h"
  36 #include "mainwindow.h"
  37 #include "inc.h"
  38 #include "gtkutils.h"
  39 #include "utils.h"
  40
  41 static void prefs_folder_column_set_config(FolderColumnState *state);
  42
  43 enum {
  44         SUMCOL_NAME,
  45         SUMCOL_TYPE,
  46         N_SUMCOL_COLUMNS
  47 };
  48
  49 #define TARGET_INFO_SUMCOL  (0xFEEDBABE)
  50
  51 static const GtkTargetEntry row_targets[] = {
  52         { "PREFS_SUM_COL_MODEL_ROW", GTK_TARGET_SAME_APP, TARGET_INFO_SUMCOL }
  53 };
  54
  55
  56 static struct _FolderColumnDialog
  57 {
  58         GtkWidget *window;
  59
  60         GtkWidget *stock_list_view;
  61         GtkWidget *shown_list_view;
  62
  63         GtkWidget *add_btn;
  64         GtkWidget *remove_btn;
  65         GtkWidget *up_btn;
  66         GtkWidget *down_btn;
  67
  68         GtkWidget *default_btn;
  69
  70         GtkWidget *ok_btn;
  71         GtkWidget *cancel_btn;
  72
  73         gboolean finished;
  74 } folder_col;
  75
  76 static const gchar *const col_name[N_FOLDER_COLS] = {
  77         N_("Folder"),           /* F_COL_FOLDER  */
  78         N_("New"),              /* F_COL_NEW     */
  79         N_("Unread"),           /* F_COL_UNREAD  */
  80         N_("Total"),            /* F_COL_TOTAL   */
  81 };
  82
  83 static FolderColumnState default_state[N_FOLDER_COLS] = {
  84         { F_COL_FOLDER   , TRUE  },
  85         { F_COL_NEW      , TRUE  },
  86         { F_COL_UNREAD   , TRUE  },
  87         { F_COL_TOTAL    , TRUE  },
  88 };
  89
  90 static void prefs_folder_column_create  (void);
  91
  92 static void prefs_folder_column_set_dialog      (FolderColumnState *state);
  93 static void prefs_folder_column_set_view        (void);
  94
  95 /* callback functions */
  96 static void prefs_folder_column_add     (void);
  97 static void prefs_folder_column_remove  (void);
  98
  99 static void prefs_folder_column_up      (void);
 100 static void prefs_folder_column_down    (void);
 101
 102 static void prefs_folder_column_set_to_default  (void);
 103
 104 static void prefs_folder_column_ok      (void);
 105 static void prefs_folder_column_cancel  (void);
 106
 107 static gint prefs_folder_column_delete_event    (GtkWidget      *widget,
 108                                                  GdkEventAny    *event,
 109                                                  gpointer        data);
 110 static gboolean prefs_folder_column_key_pressed(GtkWidget       *widget,
 111                                                  GdkEventKey    *event,
 112                                                  gpointer        data);
 113
 114 static GtkListStore *prefs_folder_column_create_store   (void);
 115
 116 static void prefs_folder_column_insert_column   (GtkListStore *store,
 117                                                  gint row,
 118                                                  const gchar *name,
 119                                                  FolderColumnType type);
 120
 121 static FolderColumnType prefs_folder_column_get_column  (GtkWidget *list,
 122                                                                  gint row);
 123
 124 static GtkWidget *prefs_folder_column_list_view_create  (const gchar *name);
 125
 126 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view,
 127                                                          const gchar *name);
 128
 129 static void drag_data_get       (GtkTreeView *tree_view,
 130                                  GdkDragContext *context,
 131                                  GtkSelectionData *data,
 132                                  guint info,
 133                                  guint time,
 134                                  GtkTreeModel *model);
 135
 136 static void drag_data_received  (GtkTreeView *tree_view,
 137                                  GdkDragContext *context,
 138                                  gint x, gint y,
 139                                  GtkSelectionData *data,
 140                                  guint info,
 141                                  guint time,
 142                                  GtkTreeModel *model);
 143
 144 static void prefs_folder_column_shown_set_btn_sensitivity(void);
 145 static void prefs_folder_column_shown_set_active(const gboolean active);
 146 static void prefs_folder_column_stock_set_active(const gboolean active);
 147 static void prefs_folder_column_shown_sel_changed(void);
 148 static void prefs_folder_column_stock_sel_changed(void);
 149
 150
 151 void prefs_folder_column_open(void)
 152 {
 153         inc_lock();
 154
 155         if (!folder_col.window)
 156                 prefs_folder_column_create();
 157
 158         manage_window_set_transient(GTK_WINDOW(folder_col.window));
 159         gtk_widget_grab_focus(folder_col.ok_btn);
 160
 161         prefs_folder_column_set_dialog(NULL);
 162
 163         gtk_widget_show(folder_col.window);
 164         gtk_window_set_modal(GTK_WINDOW(folder_col.window), TRUE);
 165
 166         folder_col.finished = FALSE;
 167         while (folder_col.finished == FALSE)
 168                 gtk_main_iteration();
 169
 170         gtk_widget_hide(folder_col.window);
 171         gtk_window_set_modal(GTK_WINDOW(folder_col.window), FALSE);
 172
 173         inc_unlock();
 174 }
 175
 176 static void prefs_folder_column_create(void)
 177 {
 178         GtkWidget *window;
 179         GtkWidget *vbox;
 180
 181         GtkWidget *label_hbox;
 182         GtkWidget *label;
 183
 184         GtkWidget *vbox1;
 185
 186         GtkWidget *hbox1;
 187         GtkWidget *clist_hbox;
 188         GtkWidget *scrolledwin;
 189         GtkWidget *stock_list_view;
 190         GtkWidget *shown_list_view;
 191
 192         GtkWidget *btn_vbox;
 193         GtkWidget *add_btn;
 194         GtkWidget *remove_btn;
 195         GtkWidget *up_btn;
 196         GtkWidget *down_btn;
 197
 198         GtkWidget *btn_hbox;
 199         GtkWidget *default_btn;
 200         GtkWidget *confirm_area;
 201         GtkWidget *ok_btn;
 202         GtkWidget *cancel_btn;
 203
 204         debug_print("Creating folder column setting window...\n");
 205
 206         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_folder_column");
 207         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 208         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 209         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 210         gtk_window_set_title(GTK_WINDOW(window),
 211                              _("Folder list columns configuration"));
 212         g_signal_connect(G_OBJECT(window), "delete_event",
 213                          G_CALLBACK(prefs_folder_column_delete_event),
 214                          NULL);
 215         g_signal_connect(G_OBJECT(window), "key_press_event",
 216                          G_CALLBACK(prefs_folder_column_key_pressed),
 217                          NULL);
 218
 219         vbox = gtk_vbox_new(FALSE, 6);
 220         gtk_widget_show(vbox);
 221         gtk_container_add(GTK_CONTAINER(window), vbox);
 222
 223         label_hbox = gtk_hbox_new(FALSE, 0);
 224         gtk_widget_show(label_hbox);
 225         gtk_box_pack_start(GTK_BOX(vbox), label_hbox, FALSE, FALSE, 4);
 226
 227         label = gtk_label_new
 228                 (_("Select columns to be displayed in the folder list. You can modify\n"
 229                    "the order by using the Up / Down buttons or by dragging the items."));
 230         gtk_widget_show(label);
 231         gtk_box_pack_start(GTK_BOX(label_hbox), label, FALSE, FALSE, 4);
 232         gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_LEFT);
 233
 234         vbox1 = gtk_vbox_new(FALSE, VSPACING);
 235         gtk_widget_show(vbox1);
 236         gtk_box_pack_start(GTK_BOX(vbox), vbox1, TRUE, TRUE, 0);
 237         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 2);
 238
 239         hbox1 = gtk_hbox_new(FALSE, 8);
 240         gtk_widget_show(hbox1);
 241         gtk_box_pack_start(GTK_BOX(vbox1), hbox1, FALSE, TRUE, 0);
 242
 243         clist_hbox = gtk_hbox_new(FALSE, 8);
 244         gtk_widget_show(clist_hbox);
 245         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 246
 247         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 248         gtk_widget_set_size_request(scrolledwin, 180, 210);
 249         gtk_widget_show(scrolledwin);
 250         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 251         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 252                                        GTK_POLICY_AUTOMATIC,
 253                                        GTK_POLICY_AUTOMATIC);
 254
 255
 256         stock_list_view = prefs_folder_column_list_view_create
 257                                 (_("Hidden columns"));
 258         g_signal_connect(G_OBJECT(stock_list_view), "cursor-changed",
 259                            G_CALLBACK(prefs_folder_column_stock_sel_changed),
 260                            NULL);
 261         gtk_widget_show(stock_list_view);
 262         gtk_container_add(GTK_CONTAINER(scrolledwin), stock_list_view);
 263
 264         /* add/remove button */
 265         btn_vbox = gtk_vbox_new(FALSE, 8);
 266         gtk_widget_show(btn_vbox);
 267         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 268
 269         add_btn = gtk_button_new_from_stock(GTK_STOCK_ADD);
 270         gtk_widget_show(add_btn);
 271         gtk_box_pack_start(GTK_BOX(btn_vbox), add_btn, FALSE, TRUE, 0);
 272
 273         g_signal_connect(G_OBJECT(add_btn), "clicked",
 274                          G_CALLBACK(prefs_folder_column_add), NULL);
 275
 276         clist_hbox = gtk_hbox_new(FALSE, 8);
 277         gtk_widget_show(clist_hbox);
 278         gtk_box_pack_start(GTK_BOX(hbox1), clist_hbox, TRUE, TRUE, 0);
 279
 280         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 281         gtk_widget_set_size_request(scrolledwin, 180, 210);
 282         gtk_widget_show(scrolledwin);
 283         gtk_box_pack_start(GTK_BOX(clist_hbox), scrolledwin, TRUE, TRUE, 0);
 284         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 285                                        GTK_POLICY_AUTOMATIC,
 286                                        GTK_POLICY_AUTOMATIC);
 287
 288         shown_list_view = prefs_folder_column_list_view_create
 289                                 (_("Displayed columns"));
 290         g_signal_connect(G_OBJECT(shown_list_view), "cursor-changed",
 291                            G_CALLBACK(prefs_folder_column_shown_sel_changed),
 292                            NULL);
 293         gtk_widget_show(shown_list_view);
 294         gtk_container_add(GTK_CONTAINER(scrolledwin), shown_list_view);
 295
 296         /* up/down button */
 297         btn_vbox = gtk_vbox_new(FALSE, 8);
 298         gtk_widget_show(btn_vbox);
 299         gtk_box_pack_start(GTK_BOX(hbox1), btn_vbox, FALSE, FALSE, 0);
 300
 301         remove_btn = gtk_button_new_from_stock(GTK_STOCK_REMOVE);
 302         gtk_widget_show(remove_btn);
 303         gtk_box_pack_start(GTK_BOX(btn_vbox), remove_btn, FALSE, TRUE, 0);
 304
 305         up_btn = gtk_button_new_from_stock(GTK_STOCK_GO_UP);
 306         gtk_widget_show(up_btn);
 307         gtk_box_pack_start(GTK_BOX(btn_vbox), up_btn, FALSE, TRUE, 0);
 308
 309         down_btn = gtk_button_new_from_stock(GTK_STOCK_GO_DOWN);
 310         gtk_widget_show(down_btn);
 311         gtk_box_pack_start(GTK_BOX(btn_vbox), down_btn, FALSE, TRUE, 0);
 312
 313         g_signal_connect(G_OBJECT(remove_btn), "clicked",
 314                          G_CALLBACK(prefs_folder_column_remove), NULL);
 315         g_signal_connect(G_OBJECT(up_btn), "clicked",
 316                          G_CALLBACK(prefs_folder_column_up), NULL);
 317         g_signal_connect(G_OBJECT(down_btn), "clicked",
 318                          G_CALLBACK(prefs_folder_column_down), NULL);
 319
 320         btn_hbox = gtk_hbox_new(FALSE, 8);
 321         gtk_widget_show(btn_hbox);
 322         gtk_box_pack_end(GTK_BOX(vbox), btn_hbox, FALSE, FALSE, 0);
 323
 324         btn_vbox = gtk_vbox_new(FALSE, 0);
 325         gtk_widget_show(btn_vbox);
 326         gtk_box_pack_start(GTK_BOX(btn_hbox), btn_vbox, FALSE, FALSE, 0);
 327
 328         default_btn = gtk_button_new_with_label(_(" Use default "));
 329         gtk_widget_show(default_btn);
 330         gtk_box_pack_start(GTK_BOX(btn_vbox), default_btn, TRUE, FALSE, 0);
 331         g_signal_connect(G_OBJECT(default_btn), "clicked",
 332                          G_CALLBACK(prefs_folder_column_set_to_default),
 333                          NULL);
 334
 335         gtkut_stock_button_set_create(&confirm_area,
 336                                       &cancel_btn, GTK_STOCK_CANCEL,
 337                                       &ok_btn, GTK_STOCK_OK,
 338                                       NULL, NULL);
 339         gtk_widget_show(confirm_area);
 340         gtk_box_pack_end(GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 341         gtk_widget_grab_default(ok_btn);
 342
 343         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 344                          G_CALLBACK(prefs_folder_column_ok), NULL);
 345         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 346                          G_CALLBACK(prefs_folder_column_cancel), NULL);
 347
 348         folder_col.window      = window;
 349         folder_col.add_btn     = add_btn;
 350         folder_col.remove_btn  = remove_btn;
 351         folder_col.up_btn      = up_btn;
 352         folder_col.down_btn    = down_btn;
 353         folder_col.ok_btn      = ok_btn;
 354         folder_col.cancel_btn  = cancel_btn;
 355         folder_col.stock_list_view = stock_list_view;
 356         folder_col.shown_list_view = shown_list_view;
 357
 358         prefs_folder_column_shown_set_active(FALSE);
 359         prefs_folder_column_stock_set_active(FALSE);
 360 }
 361
 362 FolderColumnState *prefs_folder_column_get_config(void)
 363 {
 364         static FolderColumnState state[N_FOLDER_COLS];
 365         FolderColumnType type;
 366         gint pos;
 367
 368         for (pos = 0; pos < N_FOLDER_COLS; pos++)
 369                 state[pos].type = -1;
 370
 371         for (type = 0; type < N_FOLDER_COLS; type++) {
 372                 pos = prefs_common.folder_col_pos[type];
 373                 if (pos < 0 || pos >= N_FOLDER_COLS ||
 374                     state[pos].type != -1) {
 375                         g_warning("Wrong column position\n");
 376                         prefs_folder_column_set_config(default_state);
 377                         return default_state;
 378                 }
 379
 380                 state[pos].type = type;
 381                 state[pos].visible = prefs_common.folder_col_visible[type];
 382         }
 383
 384         return state;
 385 }
 386
 387 static void prefs_folder_column_set_config(FolderColumnState *state)
 388 {
 389         FolderColumnType type;
 390         gint pos;
 391
 392         for (pos = 0; pos < N_FOLDER_COLS; pos++) {
 393                 type = state[pos].type;
 394                 prefs_common.folder_col_visible[type] = state[pos].visible;
 395                 prefs_common.folder_col_pos[type] = pos;
 396         }
 397 }
 398
 399 static void prefs_folder_column_set_dialog(FolderColumnState *state)
 400 {
 401         GtkListStore *stock_store, *shown_store;
 402         gint pos;
 403         FolderColumnType type;
 404         gchar *name;
 405
 406         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 407                         (GTK_TREE_VIEW(folder_col.stock_list_view)));
 408         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 409                         (GTK_TREE_VIEW(folder_col.shown_list_view)));
 410
 411         gtk_list_store_clear(stock_store);
 412         gtk_list_store_clear(shown_store);
 413
 414         if (!state)
 415                 state = prefs_folder_column_get_config();
 416
 417         for (pos = 0; pos < N_FOLDER_COLS; pos++) {
 418                 type = state[pos].type;
 419                 name = gettext(col_name[type]);
 420
 421                 if (state[pos].visible)
 422                         prefs_folder_column_insert_column(shown_store,
 423                                                            -1, name,
 424                                                            type);
 425                 else
 426                         prefs_folder_column_insert_column(stock_store,
 427                                                             -1, name,
 428                                                             type);
 429         }
 430 }
 431
 432 static void prefs_folder_column_set_view(void)
 433 {
 434         gint stock_n_rows, shown_n_rows;
 435         FolderColumnState state[N_FOLDER_COLS];
 436         FolderColumnType type;
 437         gint row, pos = 0;
 438
 439         stock_n_rows = gtk_tree_model_iter_n_children
 440                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 441                         (folder_col.stock_list_view)), NULL);
 442         shown_n_rows = gtk_tree_model_iter_n_children
 443                 (gtk_tree_view_get_model(GTK_TREE_VIEW
 444                         (folder_col.shown_list_view)), NULL);
 445
 446         cm_return_if_fail
 447                 (stock_n_rows + shown_n_rows == N_FOLDER_COLS);
 448
 449         for (row = 0; row < stock_n_rows; row++) {
 450                 type = prefs_folder_column_get_column
 451                         (folder_col.stock_list_view, row);
 452                 state[row].type = type;
 453                 state[row].visible = FALSE;
 454         }
 455
 456         pos = row;
 457         for (row = 0; row < shown_n_rows; row++) {
 458                 type = prefs_folder_column_get_column
 459                         (folder_col.shown_list_view, row);
 460                 state[pos + row].type = type;
 461                 state[pos + row].visible = TRUE;
 462         }
 463
 464         prefs_folder_column_set_config(state);
 465         main_window_set_folder_column();
 466 }
 467
 468 static void prefs_folder_column_add(void)
 469 {
 470         GtkListStore *stock_store, *shown_store;
 471         GtkTreeIter stock_sel, shown_sel, shown_add;
 472         gboolean shown_sel_valid;
 473         gchar *name;
 474         FolderColumnType type;
 475
 476         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 477                 (GTK_TREE_VIEW(folder_col.stock_list_view)));
 478         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 479                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 480
 481         if (!gtk_tree_selection_get_selected
 482                 (gtk_tree_view_get_selection
 483                         (GTK_TREE_VIEW(folder_col.stock_list_view)),
 484                  NULL,
 485                  &stock_sel))
 486                 return;
 487
 488         shown_sel_valid = gtk_tree_selection_get_selected
 489                 (gtk_tree_view_get_selection
 490                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 491                  NULL,
 492                  &shown_sel);
 493
 494         gtk_tree_model_get(GTK_TREE_MODEL(stock_store), &stock_sel,
 495                            SUMCOL_TYPE, &type,
 496                            -1);
 497
 498         gtk_list_store_remove(stock_store, &stock_sel);
 499
 500         gtk_list_store_insert_after(shown_store, &shown_add,
 501                                     shown_sel_valid ? &shown_sel : NULL);
 502
 503         name = gettext(col_name[type]);
 504
 505         gtk_list_store_set(shown_store, &shown_add,
 506                            SUMCOL_NAME, name,
 507                            SUMCOL_TYPE, type,
 508                            -1);
 509
 510         gtk_tree_selection_select_iter(gtk_tree_view_get_selection
 511                 (GTK_TREE_VIEW(folder_col.shown_list_view)),
 512                  &shown_add);
 513         prefs_folder_column_shown_set_active(TRUE);
 514         prefs_folder_column_stock_set_active(FALSE);
 515 }
 516
 517 static void prefs_folder_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         FolderColumnType type;
 524
 525         stock_store = GTK_LIST_STORE(gtk_tree_view_get_model
 526                 (GTK_TREE_VIEW(folder_col.stock_list_view)));
 527         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 528                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 529
 530         if (!gtk_tree_selection_get_selected
 531                 (gtk_tree_view_get_selection
 532                         (GTK_TREE_VIEW(folder_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(folder_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(folder_col.stock_list_view)),
 561                 &stock_add);
 562         prefs_folder_column_shown_set_active(FALSE);
 563         prefs_folder_column_stock_set_active(TRUE);
 564 }
 565
 566 static void prefs_folder_column_up(void)
 567 {
 568         GtkTreePath *prev, *sel;
 569         GtkTreeIter isel;
 570         GtkListStore *shown_store;
 571         GtkTreeIter iprev;
 572
 573         if (!gtk_tree_selection_get_selected
 574                 (gtk_tree_view_get_selection
 575                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 576                  NULL,
 577                  &isel))
 578                 return;
 579
 580         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 581                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 582
 583         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(shown_store),
 584                                       &isel);
 585         if (!sel)
 586                 return;
 587
 588         prev = gtk_tree_path_copy(sel);
 589         if (!gtk_tree_path_prev(prev)) {
 590                 gtk_tree_path_free(prev);
 591                 gtk_tree_path_free(sel);
 592                 return;
 593         }
 594
 595         gtk_tree_model_get_iter(GTK_TREE_MODEL(shown_store),
 596                                 &iprev, prev);
 597         gtk_tree_path_free(sel);
 598         gtk_tree_path_free(prev);
 599
 600         gtk_list_store_swap(shown_store, &iprev, &isel);
 601         prefs_folder_column_shown_set_btn_sensitivity();
 602 }
 603
 604 static void prefs_folder_column_down(void)
 605 {
 606         GtkListStore *shown_store;
 607         GtkTreeIter next, sel;
 608
 609         if (!gtk_tree_selection_get_selected
 610                 (gtk_tree_view_get_selection
 611                         (GTK_TREE_VIEW(folder_col.shown_list_view)),
 612                  NULL,
 613                  &sel))
 614                 return;
 615
 616         shown_store = GTK_LIST_STORE(gtk_tree_view_get_model
 617                 (GTK_TREE_VIEW(folder_col.shown_list_view)));
 618
 619         next = sel;
 620         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(shown_store), &next))
 621                 return;
 622
 623         gtk_list_store_swap(shown_store, &next, &sel);
 624         prefs_folder_column_shown_set_btn_sensitivity();
 625 }
 626
 627 static void prefs_folder_column_set_to_default(void)
 628 {
 629         prefs_folder_column_set_dialog(default_state);
 630         prefs_folder_column_shown_set_active(FALSE);
 631         prefs_folder_column_stock_set_active(FALSE);
 632 }
 633
 634 static void prefs_folder_column_ok(void)
 635 {
 636         if (!folder_col.finished) {
 637                 folder_col.finished = TRUE;
 638                 prefs_folder_column_set_view();
 639         }
 640 }
 641
 642 static void prefs_folder_column_cancel(void)
 643 {
 644         folder_col.finished = TRUE;
 645 }
 646
 647 static gint prefs_folder_column_delete_event(GtkWidget *widget,
 648                                               GdkEventAny *event,
 649                                               gpointer data)
 650 {
 651         folder_col.finished = TRUE;
 652         return TRUE;
 653 }
 654
 655 static gboolean prefs_folder_column_key_pressed(GtkWidget *widget,
 656                                                  GdkEventKey *event,
 657                                                  gpointer data)
 658 {
 659         if (event && event->keyval == GDK_KEY_Escape)
 660                 folder_col.finished = TRUE;
 661         return FALSE;
 662 }
 663
 664 static GtkListStore *prefs_folder_column_create_store(void)
 665 {
 666         return gtk_list_store_new(N_SUMCOL_COLUMNS,
 667                                   G_TYPE_STRING,
 668                                   G_TYPE_INT,
 669                                   -1);
 670 }
 671
 672 static void prefs_folder_column_insert_column(GtkListStore *store,
 673                                                gint row,
 674                                                const gchar *name,
 675                                                FolderColumnType type)
 676 {
 677         GtkTreeIter iter;
 678
 679         if (row >= 0) {
 680                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(store),
 681                                                    &iter, NULL, row))
 682                         row = -1;
 683         }
 684         if (row < 0) {
 685                 /* add new */
 686                 gtk_list_store_append(store, &iter);
 687                 gtk_list_store_set(store, &iter,
 688                                    SUMCOL_NAME, name,
 689                                    SUMCOL_TYPE, type,
 690                                    -1);
 691                 return;
 692         } else {
 693                 /* change existing */
 694                 gtk_list_store_set(store, &iter,
 695                                    SUMCOL_NAME, name,
 696                                    SUMCOL_TYPE, type,
 697                                    -1);
 698         }
 699 }
 700
 701 /*!
 702  *\brief        Return the columnn type for a row
 703  */
 704 static FolderColumnType prefs_folder_column_get_column(GtkWidget *list, gint row)
 705 {
 706         GtkTreeView *list_view = GTK_TREE_VIEW(list);
 707         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 708         GtkTreeIter iter;
 709         FolderColumnType result;
 710
 711         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
 712                 return -1;
 713
 714         gtk_tree_model_get(model, &iter,
 715                            SUMCOL_TYPE, &result,
 716                            -1);
 717
 718         return result;
 719 }
 720
 721 static GtkWidget *prefs_folder_column_list_view_create(const gchar *name)
 722 {
 723         GtkWidget *list_view;
 724         GtkTreeSelection *selector;
 725         GtkTreeModel *model;
 726
 727         model = GTK_TREE_MODEL(prefs_folder_column_create_store());
 728         list_view = gtk_tree_view_new_with_model(model);
 729         g_object_unref(G_OBJECT(model));
 730
 731         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 732                                      prefs_common.use_stripes_everywhere);
 733
 734         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 735         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 736
 737         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 738
 739         gtk_tree_view_enable_model_drag_source(GTK_TREE_VIEW(list_view),
 740                                                GDK_BUTTON1_MASK,
 741                                                row_targets,
 742                                                G_N_ELEMENTS(row_targets),
 743                                                GDK_ACTION_MOVE);
 744
 745         gtk_tree_view_enable_model_drag_dest(GTK_TREE_VIEW(list_view),
 746                                              row_targets,
 747                                              G_N_ELEMENTS(row_targets),
 748                                              GDK_ACTION_MOVE);
 749
 750         g_signal_connect(G_OBJECT(list_view), "drag_data_get",
 751                          G_CALLBACK(drag_data_get),
 752                          model);
 753
 754         g_signal_connect(G_OBJECT(list_view), "drag_data_received",
 755                          G_CALLBACK(drag_data_received),
 756                          model);
 757
 758         return list_view;
 759 }
 760
 761 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 762                                                      const gchar *name)
 763 {
 764         GtkTreeViewColumn *column;
 765         GtkCellRenderer *renderer;
 766
 767         renderer = gtk_cell_renderer_text_new();
 768         column = gtk_tree_view_column_new_with_attributes
 769                 (name, renderer, "text", SUMCOL_NAME, NULL);
 770         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 771 }
 772
 773 static void drag_data_get(GtkTreeView *tree_view, GdkDragContext *context,
 774                           GtkSelectionData *data, guint info,
 775                           guint time, GtkTreeModel *model)
 776 {
 777         GtkTreeIter iter;
 778         FolderColumnType type;
 779         GtkTreeModel *source_model;
 780
 781         if (info != TARGET_INFO_SUMCOL)
 782                 return;
 783
 784         if (!gtk_tree_selection_get_selected
 785                         (gtk_tree_view_get_selection(tree_view),
 786                          &source_model, &iter))
 787                 return;
 788
 789         gtk_tree_model_get(source_model, &iter,
 790                            SUMCOL_TYPE, &type,
 791                            -1);
 792
 793         /* send the type */
 794         gtk_selection_data_set(data, gtk_selection_data_get_target(data), 8,
 795                 (gchar *) &type, sizeof type);
 796 }
 797
 798 static void drag_data_received(GtkTreeView *tree_view, GdkDragContext *context,
 799                                gint x, gint y, GtkSelectionData *data,
 800                                guint info, guint time, GtkTreeModel *model)
 801 {
 802         GtkWidget *source;
 803         GtkTreePath *dst = NULL, *sel = NULL;
 804         GtkTreeIter isel, idst;
 805         GtkTreeViewDropPosition pos;
 806         FolderColumnType type;
 807         GtkTreeModel *sel_model;
 808         gchar *name;
 809
 810         source = gtk_drag_get_source_widget(context);
 811
 812         if (source == GTK_WIDGET(tree_view)) {
 813
 814                 /*
 815                  * Same widget: re-order
 816                  */
 817
 818                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(tree_view),
 819                                            NULL, &isel);
 820                 sel = gtk_tree_model_get_path(model, &isel);
 821                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y,
 822                                                   &dst, &pos);
 823
 824                 /* NOTE: dst is invalid if selection beyond last row, in that
 825                  * case move beyond last one (XXX_move_before(..., NULL)) */
 826
 827                 if (dst)
 828                         gtk_tree_model_get_iter(model, &idst, dst);
 829                 else
 830                         gtk_list_store_move_before(GTK_LIST_STORE(model),
 831                                                    &isel,
 832                                                    NULL);
 833
 834                 /* we do not drag if no valid dst and sel, and when
 835                  * dst and sel are the same (moving after or before
 836                  * itself doesn't change order...) */
 837                 if ((dst && sel) && gtk_tree_path_compare(sel, dst) != 0) {
 838                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 839                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 840                                 gtk_list_store_move_before(GTK_LIST_STORE(model),
 841                                                            &isel,
 842                                                            &idst);
 843                         else
 844                                 gtk_list_store_move_after(GTK_LIST_STORE(model),
 845                                                           &isel,
 846                                                           &idst);
 847
 848                 }
 849                 gtk_tree_path_free(dst);
 850                 gtk_tree_path_free(sel);
 851                 gtk_drag_finish(context, TRUE, FALSE, time);
 852
 853         } else if (source == folder_col.stock_list_view
 854         ||         source == folder_col.shown_list_view) {
 855
 856                 /*
 857                  * Other widget: change and update
 858                  */
 859
 860
 861                 /* get source information and remove */
 862                 gtk_tree_selection_get_selected(gtk_tree_view_get_selection(
 863                                                 GTK_TREE_VIEW(source)),
 864                                                 &sel_model, &isel);
 865                 type = *((gint *) gtk_selection_data_get_data(data));
 866                 name = gettext(col_name[type]);
 867                 gtk_list_store_remove(GTK_LIST_STORE(sel_model), &isel);
 868
 869                 /* get insertion position */
 870                 gtk_tree_view_get_dest_row_at_pos(tree_view, x, y, &dst, &pos);
 871
 872                 /* NOTE: dst is invalid if insertion point beyond last row,
 873                  * just append to list in that case (XXX_store_append()) */
 874
 875                 if (dst) {
 876                         gtk_tree_model_get_iter(model, &idst, dst);
 877
 878                         if (pos == GTK_TREE_VIEW_DROP_BEFORE
 879                         ||  pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)
 880                                 gtk_list_store_insert_before(GTK_LIST_STORE(model),
 881                                                              &isel,
 882                                                              &idst);
 883                         else
 884                                 gtk_list_store_insert_after(GTK_LIST_STORE(model),
 885                                                             &isel,
 886                                                             &idst);
 887                 } else
 888                         gtk_list_store_append(GTK_LIST_STORE(model),
 889                                               &isel);
 890
 891                 gtk_list_store_set(GTK_LIST_STORE(model), &isel,
 892                                    SUMCOL_NAME, name,
 893                                    SUMCOL_TYPE, type, -1);
 894                 gtk_tree_path_free(dst);
 895                 gtk_drag_finish(context, TRUE, FALSE, time);
 896         }
 897
 898         prefs_folder_column_shown_set_active(FALSE);
 899         prefs_folder_column_stock_set_active(FALSE);
 900
 901         /* XXXX: should we call gtk_drag_finish() for other code paths? */
 902 }
 903
 904 static void prefs_folder_column_shown_set_btn_sensitivity(void)
 905 {
 906         GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(
 907                 GTK_TREE_VIEW(folder_col.shown_list_view)));
 908         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 909                 GTK_TREE_VIEW(folder_col.shown_list_view));
 910         GtkTreeIter iter;
 911         GtkTreePath *path;
 912
 913         if(!gtk_tree_selection_get_selected(selection, NULL, &iter)) {
 914                 gtk_widget_set_sensitive(folder_col.remove_btn, FALSE);
 915                 gtk_widget_set_sensitive(folder_col.up_btn, FALSE);
 916                 gtk_widget_set_sensitive(folder_col.down_btn, FALSE);
 917                 return;
 918         }
 919
 920         path = gtk_tree_model_get_path(model, &iter);
 921
 922         gtk_widget_set_sensitive(folder_col.up_btn, gtk_tree_path_prev(path));
 923         gtk_widget_set_sensitive(folder_col.down_btn,
 924                                  gtk_tree_model_iter_next(model, &iter));
 925         gtk_tree_path_free(path);
 926 }
 927
 928 static void prefs_folder_column_shown_set_active(const gboolean active)
 929 {
 930         GtkTreeSelection *selection = NULL;
 931
 932         gtk_widget_set_sensitive(folder_col.remove_btn, active);
 933
 934         if(active == FALSE) {
 935                 selection = gtk_tree_view_get_selection(
 936                         GTK_TREE_VIEW(folder_col.shown_list_view));
 937                 gtk_tree_selection_unselect_all(selection);
 938
 939                 gtk_widget_set_sensitive(folder_col.up_btn, FALSE);
 940                 gtk_widget_set_sensitive(folder_col.down_btn, FALSE);
 941         } else {
 942                 prefs_folder_column_shown_set_btn_sensitivity();
 943         }
 944 }
 945
 946 static void prefs_folder_column_stock_set_active(const gboolean active)
 947 {
 948         GtkTreeSelection *selection = NULL;
 949
 950         gtk_widget_set_sensitive(folder_col.add_btn, active);
 951
 952         if(active == FALSE) {
 953                 selection = gtk_tree_view_get_selection(
 954                         GTK_TREE_VIEW(folder_col.stock_list_view));
 955                 gtk_tree_selection_unselect_all(selection);
 956         }
 957 }
 958
 959 static void prefs_folder_column_stock_sel_changed(void)
 960 {
 961         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 962                 GTK_TREE_VIEW(folder_col.stock_list_view));
 963         prefs_folder_column_stock_set_active(
 964                 (selection != NULL) ? TRUE : FALSE);
 965         prefs_folder_column_shown_set_active(
 966                 (selection != NULL) ? FALSE : TRUE);
 967 }
 968
 969 static void prefs_folder_column_shown_sel_changed(void)
 970 {
 971         GtkTreeSelection *selection = gtk_tree_view_get_selection(
 972                 GTK_TREE_VIEW(folder_col.shown_list_view));
 973         prefs_folder_column_shown_set_active(
 974                 (selection != NULL) ? TRUE : FALSE);
 975         prefs_folder_column_stock_set_active(
 976                 (selection != NULL) ? FALSE : TRUE);
 977 }