ROX-Filer/src/abox.c

   1 /*
   2  * $Id$
   3  *
   4  * ROX-Filer, filer for the ROX desktop project
   5  * Copyright (C) 2002, the ROX-Filer team.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the Free
   9  * Software Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  19  * Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 /* abox.c - the dialog box widget used for filer operations.
  23  *
  24  * The actual code for specific operations is in action.c.
  25  */
  26
  27 #include "config.h"
  28
  29 #include <string.h>
  30
  31 #include "global.h"
  32
  33 #include "main.h"
  34 #include "abox.h"
  35 #include "gui_support.h"
  36 #include "filer.h"
  37 #include "display.h"
  38 #include "support.h"
  39
  40 #define RESPONSE_QUIET 1
  41
  42 /* Static prototypes */
  43 static void abox_class_init(GObjectClass *gclass, gpointer data);
  44 static void abox_init(GTypeInstance *object, gpointer gclass);
  45 static void response(GtkDialog *dialog, gint response_id);
  46 static void abox_finalise(GObject *object);
  47 static void shade(ABox *abox);
  48
  49 GType abox_get_type(void)
  50 {
  51         static GType type = 0;
  52
  53         if (!type)
  54         {
  55                 static const GTypeInfo info =
  56                 {
  57                         sizeof (ABoxClass),
  58                         NULL,                   /* base_init */
  59                         NULL,                   /* base_finalise */
  60                         (GClassInitFunc) abox_class_init,
  61                         NULL,                   /* class_finalise */
  62                         NULL,                   /* class_data */
  63                         sizeof(ABox),
  64                         0,                      /* n_preallocs */
  65                         (GInstanceInitFunc) abox_init
  66                 };
  67
  68                 type = g_type_register_static(GTK_TYPE_DIALOG,
  69                                                 "ABox", &info, 0);
  70         }
  71
  72         return type;
  73 }
  74
  75 GtkWidget* abox_new(const gchar *title, gboolean quiet)
  76 {
  77         GtkWidget *widget;
  78         ABox      *abox;
  79
  80         widget = GTK_WIDGET(gtk_widget_new(abox_get_type(), NULL));
  81         abox = (ABox *) widget;
  82
  83         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(abox->quiet), quiet);
  84
  85         gtk_window_set_title(GTK_WINDOW(widget), title);
  86         gtk_dialog_set_has_separator(GTK_DIALOG(widget), FALSE);
  87
  88         return widget;
  89 }
  90
  91 static void abox_class_init(GObjectClass *gclass, gpointer data)
  92 {
  93         GtkDialogClass *dialog = (GtkDialogClass *) gclass;
  94
  95         dialog->response = response;
  96
  97         g_signal_new("flag_toggled", G_TYPE_FROM_CLASS(gclass),
  98                 G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET(ABoxClass, flag_toggled),
  99                 NULL, NULL, g_cclosure_marshal_VOID__INT,
 100                 G_TYPE_NONE, 1, G_TYPE_INT);
 101
 102         gclass->finalize = abox_finalise;
 103 }
 104
 105 static void abox_init(GTypeInstance *object, gpointer gclass)
 106 {
 107         GtkWidget *frame, *text, *scrollbar, *button;
 108         ABox *abox = ABOX(object);
 109         GtkDialog *dialog = GTK_DIALOG(object);
 110
 111         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_MOUSE);
 112
 113         abox->dir_label = gtk_label_new(_("<dir>"));
 114         gtk_widget_set_size_request(abox->dir_label, 8, -1);
 115         abox->results = NULL;
 116         abox->entry = NULL;
 117         abox->next_dir = NULL;
 118         abox->next_timer = 0;
 119         abox->question = FALSE;
 120         gtk_misc_set_alignment(GTK_MISC(abox->dir_label), 0.5, 0.5);
 121         gtk_box_pack_start(GTK_BOX(dialog->vbox),
 122                                 abox->dir_label, FALSE, TRUE, 0);
 123
 124         abox->log_hbox = gtk_hbox_new(FALSE, 0);
 125         gtk_box_pack_start(GTK_BOX(dialog->vbox),
 126                                 abox->log_hbox, TRUE, TRUE, 4);
 127
 128         frame = gtk_frame_new(NULL);
 129         gtk_box_pack_start_defaults(GTK_BOX(abox->log_hbox), frame);
 130
 131         text = gtk_text_view_new();
 132         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
 133         gtk_container_add(GTK_CONTAINER(frame), text);
 134
 135         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
 136         abox->log = text;
 137
 138         scrollbar = gtk_vscrollbar_new(NULL);
 139         gtk_widget_set_scroll_adjustments(text, NULL,
 140                         gtk_range_get_adjustment(GTK_RANGE(scrollbar)));
 141         gtk_text_buffer_create_tag(
 142                         gtk_text_view_get_buffer(GTK_TEXT_VIEW(abox->log)),
 143                         "error", "foreground", "red",
 144                         NULL);
 145         gtk_text_buffer_create_tag(
 146                         gtk_text_view_get_buffer(GTK_TEXT_VIEW(abox->log)),
 147                         "question", "weight", "bold",
 148                         NULL);
 149         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 150         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 151         gtk_widget_set_size_request(text, 400, 100);
 152
 153         gtk_box_pack_start(GTK_BOX(abox->log_hbox), scrollbar, FALSE, TRUE, 0);
 154
 155         gtk_dialog_add_buttons(dialog,
 156                         GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 157                         GTK_STOCK_NO, GTK_RESPONSE_NO,
 158                         GTK_STOCK_YES, GTK_RESPONSE_YES,
 159                         NULL);
 160
 161         abox->flag_box = gtk_hbox_new(FALSE, 16);
 162         gtk_box_pack_end(GTK_BOX(dialog->vbox),
 163                                 abox->flag_box, FALSE, TRUE, 2);
 164
 165         button = button_new_mixed(GTK_STOCK_GOTO_LAST, _("_Quiet"));
 166         GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
 167         gtk_dialog_add_action_widget(dialog, button, RESPONSE_QUIET);
 168         gtk_dialog_set_default_response(dialog, RESPONSE_QUIET);
 169
 170         gtk_widget_show_all(dialog->vbox);
 171
 172         abox->quiet = abox_add_flag(abox,
 173                         _("Quiet"), _("Don't confirm every operation"),
 174                         'Q', FALSE);
 175
 176         shade(abox);
 177 }
 178
 179 static void flag_toggled(GtkToggleButton *toggle, ABox *abox)
 180 {
 181         gint    code;
 182
 183         code = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(toggle),
 184                                                  "abox-response"));
 185         if (code == 'Q')
 186                 shade(abox);
 187
 188         g_signal_emit_by_name(abox, "flag_toggled", code);
 189
 190 }
 191
 192 GtkWidget *abox_add_flag(ABox *abox, const gchar *label, const gchar *tip,
 193                          gint response, gboolean default_value)
 194 {
 195         GtkWidget       *check;
 196
 197         check = gtk_check_button_new_with_label(label);
 198         gtk_tooltips_set_tip(tooltips, check, tip, NULL);
 199         g_object_set_data(G_OBJECT(check), "abox-response",
 200                           GINT_TO_POINTER(response));
 201         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check), default_value);
 202         g_signal_connect(check, "toggled", G_CALLBACK(flag_toggled), abox);
 203         gtk_box_pack_end(GTK_BOX(abox->flag_box), check, FALSE, TRUE, 0);
 204         gtk_widget_show(check);
 205
 206         return check;
 207 }
 208
 209 static void response(GtkDialog *dialog, gint response_id)
 210 {
 211         ABox *abox = ABOX(dialog);
 212
 213         if (response_id == GTK_RESPONSE_CANCEL)
 214                 gtk_widget_destroy(GTK_WIDGET(dialog));
 215         else if (response_id == RESPONSE_QUIET)
 216         {
 217                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(abox->quiet),
 218                                              TRUE);
 219                 gtk_dialog_response(dialog, GTK_RESPONSE_YES);
 220         }
 221         else if (response_id == GTK_RESPONSE_YES ||
 222                                         response_id == GTK_RESPONSE_NO)
 223         {
 224                 abox->question = FALSE;
 225                 shade(abox);
 226         }
 227 }
 228
 229 /* Display the question. Unshade the Yes, No and entry box (if any).
 230  * Will send a response signal when the user makes a choice.
 231  */
 232 void abox_ask(ABox *abox, const gchar *question)
 233 {
 234         g_return_if_fail(abox != NULL);
 235         g_return_if_fail(question != NULL);
 236         g_return_if_fail(IS_ABOX(abox));
 237
 238         abox_log(abox, question, "question");
 239
 240         abox->question = TRUE;
 241         shade(abox);
 242 }
 243
 244 void abox_cancel_ask(ABox *abox)
 245 {
 246         g_return_if_fail(abox != NULL);
 247         g_return_if_fail(IS_ABOX(abox));
 248
 249         abox->question = FALSE;
 250         shade(abox);
 251 }
 252
 253 void abox_log(ABox *abox, const gchar *message, const gchar *style)
 254 {
 255         GtkTextIter end;
 256         GtkTextBuffer *text_buffer;
 257         GtkTextView *log = GTK_TEXT_VIEW(abox->log);
 258         gchar *u8 = NULL;
 259
 260         if (!g_utf8_validate(message, -1, NULL))
 261                 u8 = to_utf8(message);
 262
 263         text_buffer = gtk_text_view_get_buffer(log);
 264
 265         gtk_text_buffer_get_end_iter(text_buffer, &end);
 266         gtk_text_buffer_insert_with_tags_by_name(text_buffer,
 267                         &end, u8 ? u8 : message, -1, style, NULL);
 268         gtk_text_view_scroll_to_mark(
 269                         log,
 270                         gtk_text_buffer_get_mark(text_buffer, "insert"),
 271                         0.0, FALSE, 0, 0);
 272
 273         g_free(u8);
 274 }
 275
 276 static void abox_finalise(GObject *object)
 277 {
 278         GObjectClass *parent_class;
 279         ABox *abox = ABOX(object);
 280
 281         if (abox->next_dir)
 282         {
 283                 null_g_free(&abox->next_dir);
 284                 gtk_timeout_remove(abox->next_timer);
 285         }
 286
 287         parent_class = gtk_type_class(GTK_TYPE_DIALOG);
 288
 289         if (G_OBJECT_CLASS(parent_class)->finalize)
 290                 (*G_OBJECT_CLASS(parent_class)->finalize)(object);
 291 }
 292
 293 static gboolean show_next_dir(gpointer data)
 294 {
 295         ABox    *abox = (ABox *) data;
 296
 297         gtk_label_set_text(GTK_LABEL(abox->dir_label), abox->next_dir);
 298         null_g_free(&abox->next_dir);
 299
 300         return FALSE;
 301 }
 302
 303 /* Display this message in the current-object area.
 304  * The display won't update too fast, even if you call this very often.
 305  */
 306 void abox_set_current_object(ABox *abox, const gchar *message)
 307 {
 308         g_return_if_fail(abox != NULL);
 309         g_return_if_fail(message != NULL);
 310         g_return_if_fail(IS_ABOX(abox));
 311
 312         /* If a string is already set then replace it, but assume the
 313          * timer is already running...
 314          */
 315
 316         if (abox->next_dir)
 317                 g_free(abox->next_dir);
 318         else
 319         {
 320                 gtk_label_set_text(GTK_LABEL(abox->dir_label), message);
 321                 abox->next_timer = gtk_timeout_add(500, show_next_dir, abox);
 322         }
 323
 324         abox->next_dir = g_strdup(message);
 325 }
 326
 327 static void lost_preview(GtkWidget *window, ABox *abox)
 328 {
 329         abox->preview = NULL;
 330 }
 331
 332 static void select_row_callback(GtkTreeView *treeview,
 333                                 GtkTreePath *path,
 334                                 GtkTreeViewColumn *col,
 335                                 ABox        *abox)
 336 {
 337         GtkTreeModel    *model;
 338         GtkTreeIter     iter;
 339         char            *leaf, *dir;
 340
 341         model = gtk_tree_view_get_model(GTK_TREE_VIEW(abox->results));
 342         gtk_tree_model_get_iter(model, &iter, path);
 343         gtk_tree_model_get(model, &iter, 0, &leaf, 1, &dir, -1);
 344
 345         if (abox->preview)
 346         {
 347                 if (strcmp(abox->preview->real_path, dir) == 0)
 348                         display_set_autoselect(abox->preview, leaf);
 349                 else
 350                         filer_change_to(abox->preview, dir, leaf);
 351                 goto out;
 352         }
 353
 354         abox->preview = filer_opendir(dir, NULL, NULL);
 355         if (abox->preview)
 356         {
 357                 display_set_autoselect(abox->preview, leaf);
 358                 g_signal_connect_object(abox->preview->window, "destroy",
 359                                 G_CALLBACK(lost_preview), abox, 0);
 360         }
 361
 362 out:
 363         g_free(dir);
 364         g_free(leaf);
 365 }
 366
 367 /* Add a list-of-results area. You must use this before adding files
 368  * with abox_add_filename().
 369  */
 370 void abox_add_results(ABox *abox)
 371 {
 372         GtkTreeViewColumn       *column;
 373         GtkWidget       *scroller, *frame;
 374         GtkListStore    *model;
 375         GtkCellRenderer *cell_renderer;
 376
 377         g_return_if_fail(abox != NULL);
 378         g_return_if_fail(IS_ABOX(abox));
 379         g_return_if_fail(abox->results == NULL);
 380
 381         scroller = gtk_scrolled_window_new(NULL, NULL);
 382         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroller),
 383                         GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
 384
 385         frame = gtk_frame_new(NULL);
 386         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
 387         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(abox)->vbox),
 388                                 frame, TRUE, TRUE, 4);
 389
 390         gtk_container_add(GTK_CONTAINER(frame), scroller);
 391
 392         model = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_STRING);
 393         abox->results = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
 394         g_object_unref(G_OBJECT(model));
 395
 396         cell_renderer = gtk_cell_renderer_text_new();
 397         column = gtk_tree_view_column_new_with_attributes(
 398                                 _("Name"), cell_renderer, "text", 0, NULL);
 399         gtk_tree_view_column_set_resizable(column, TRUE);
 400         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 401         gtk_tree_view_append_column(GTK_TREE_VIEW(abox->results), column);
 402         gtk_tree_view_insert_column_with_attributes(
 403                         GTK_TREE_VIEW(abox->results),
 404                         1, (gchar *) _("Directory"), cell_renderer,
 405                         "text", 1, NULL);
 406
 407         gtk_container_add(GTK_CONTAINER(scroller), abox->results);
 408
 409         gtk_widget_set_size_request(abox->results, 100, 100);
 410         gtk_box_set_child_packing(GTK_BOX(GTK_DIALOG(abox)->vbox),
 411                           abox->log_hbox, FALSE, TRUE, 4, GTK_PACK_START);
 412
 413         g_signal_connect(abox->results, "row-activated",
 414                         G_CALLBACK(select_row_callback), abox);
 415 }
 416
 417 void abox_add_filename(ABox *abox, const gchar *path)
 418 {
 419         GtkTreeModel *model;
 420         GtkTreeIter iter;
 421         gchar   *dir;
 422
 423         model = gtk_tree_view_get_model(GTK_TREE_VIEW(abox->results));
 424
 425         gtk_list_store_append(GTK_LIST_STORE(model), &iter);
 426
 427         dir = g_dirname(path);
 428         gtk_list_store_set(GTK_LIST_STORE(model), &iter,
 429                            0, g_basename(path),
 430                            1, dir, -1);
 431         g_free(dir);
 432 }
 433
 434 /* Clear search results area */
 435 void abox_clear_results(ABox *abox)
 436 {
 437         GtkTreeModel *model;
 438
 439         g_return_if_fail(abox != NULL);
 440         g_return_if_fail(IS_ABOX(abox));
 441
 442         model = gtk_tree_view_get_model(GTK_TREE_VIEW(abox->results));
 443
 444         gtk_list_store_clear(GTK_LIST_STORE(model));
 445 }
 446
 447 void abox_add_combo(ABox *abox, GList *presets,
 448                     const gchar *text, GtkWidget *help_button)
 449 {
 450         GtkWidget *hbox, *label, *combo;
 451
 452         g_return_if_fail(abox != NULL);
 453         g_return_if_fail(IS_ABOX(abox));
 454         g_return_if_fail(abox->entry == NULL);
 455
 456         hbox = gtk_hbox_new(FALSE, 0);
 457         label = gtk_label_new(_("Command:"));
 458         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, TRUE, 4);
 459
 460         combo = gtk_combo_new();
 461         gtk_combo_disable_activate(GTK_COMBO(combo));
 462         gtk_combo_set_use_arrows_always(GTK_COMBO(combo), TRUE);
 463         gtk_combo_set_popdown_strings(GTK_COMBO(combo), presets);
 464         abox->entry = GTK_COMBO(combo)->entry;
 465         gtk_entry_set_activates_default(GTK_ENTRY(abox->entry), TRUE);
 466
 467         gtk_entry_set_text(GTK_ENTRY(abox->entry), text);
 468         gtk_box_pack_start(GTK_BOX(hbox), combo, TRUE, TRUE, 4);
 469
 470         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(abox)->vbox), hbox,
 471                                 FALSE, TRUE, 0);
 472         gtk_box_pack_start(GTK_BOX(hbox), help_button, FALSE, TRUE, 4);
 473
 474         gtk_widget_show_all(hbox);
 475
 476         shade(abox);
 477 }
 478
 479 void abox_add_entry(ABox *abox, const gchar *text, GtkWidget *help_button)
 480 {
 481         GtkWidget *hbox, *label;
 482
 483         g_return_if_fail(abox != NULL);
 484         g_return_if_fail(IS_ABOX(abox));
 485         g_return_if_fail(abox->entry == NULL);
 486
 487         hbox = gtk_hbox_new(FALSE, 0);
 488         label = gtk_label_new(_("Expression:"));
 489         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, TRUE, 4);
 490         abox->entry = gtk_entry_new();
 491         gtk_widget_set_name(abox->entry, "fixed-style");
 492         gtk_entry_set_text(GTK_ENTRY(abox->entry), text);
 493         gtk_box_pack_start(GTK_BOX(hbox), abox->entry, TRUE, TRUE, 4);
 494         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(abox)->vbox),
 495                                 hbox, FALSE, TRUE, 4);
 496         gtk_box_pack_start(GTK_BOX(hbox), help_button,
 497                                 FALSE, TRUE, 4);
 498
 499         gtk_entry_set_activates_default(GTK_ENTRY(abox->entry), TRUE);
 500
 501         gtk_widget_show_all(hbox);
 502
 503         shade(abox);
 504 }
 505
 506 static void shade(ABox *abox)
 507 {
 508         GtkDialog *dialog = (GtkDialog *) abox;
 509         gboolean quiet, on = abox->question;
 510
 511         quiet = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(abox->quiet));
 512
 513         gtk_dialog_set_response_sensitive(dialog, GTK_RESPONSE_YES, on);
 514         gtk_dialog_set_response_sensitive(dialog, GTK_RESPONSE_NO, on);
 515
 516         if (on && !quiet)
 517                 gtk_dialog_set_response_sensitive(dialog, RESPONSE_QUIET, TRUE);
 518         else
 519                 gtk_dialog_set_response_sensitive(dialog,
 520                                                   RESPONSE_QUIET, FALSE);
 521
 522         /* Unsetting the focus means that set_default will put it in the
 523          * right place...
 524          */
 525         gtk_window_set_focus(GTK_WINDOW(abox), NULL);
 526         /* Note: Gtk+-2.0.0 will segfault on Return if an insensitive
 527          * widget is the default.
 528          */
 529         if (quiet)
 530                 gtk_dialog_set_default_response(dialog, GTK_RESPONSE_YES);
 531         else
 532                 gtk_dialog_set_default_response(dialog, RESPONSE_QUIET);
 533
 534         if (abox->entry)
 535         {
 536                 gtk_widget_set_sensitive(abox->entry, on);
 537                 if (on)
 538                         gtk_widget_grab_focus(abox->entry);
 539         }
 540 }