src/vte.c

   1 /*
   2  *      vte.c - this file is part of Geany, a fast and lightweight IDE
   3  *
   4  *      Copyright 2005-2012 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
   5  *      Copyright 2006-2012 Nick Treleaven <nick(dot)treleaven(at)btinternet(dot)com>
   6  *
   7  *      This program is free software; you can redistribute it and/or modify
   8  *      it under the terms of the GNU General Public License as published by
   9  *      the Free Software Foundation; either version 2 of the License, or
  10  *      (at your option) any later version.
  11  *
  12  *      This program is distributed in the hope that it will be useful,
  13  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *      GNU General Public License for more details.
  16  *
  17  *      You should have received a copy of the GNU General Public License along
  18  *      with this program; if not, write to the Free Software Foundation, Inc.,
  19  *      51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 /*
  23  * Virtual Terminal Emulation setup and handling code, using the libvte plugin library.
  24  */
  25
  26 #ifdef HAVE_CONFIG_H
  27 # include "config.h"
  28 #endif
  29
  30 #ifdef HAVE_VTE
  31
  32 #include "vte.h"
  33
  34 #include "callbacks.h"
  35 #include "document.h"
  36 #include "geanyobject.h"
  37 #include "msgwindow.h"
  38 #include "prefs.h"
  39 #include "sciwrappers.h"
  40 #include "support.h"
  41 #include "ui_utils.h"
  42 #include "utils.h"
  43 #include "keybindings.h"
  44
  45 #include "gtkcompat.h"
  46
  47 /* include stdlib.h AND unistd.h, because on GNU/Linux pid_t seems to be
  48  * in stdlib.h, on FreeBSD in unistd.h, sys/types.h is needed for C89 */
  49 #include <stdlib.h>
  50 #include <sys/types.h>
  51 #include <unistd.h>
  52
  53 #include <gdk/gdkkeysyms.h>
  54 #include <signal.h>
  55 #include <string.h>
  56 #include <errno.h>
  57
  58
  59 VteInfo vte_info;
  60 VteConfig *vc;
  61
  62 static pid_t pid = 0;
  63 static gboolean clean = TRUE;
  64 static GModule *module = NULL;
  65 static struct VteFunctions *vf;
  66 static gchar *gtk_menu_key_accel = NULL;
  67 static GtkWidget *terminal_label = NULL;
  68 static guint terminal_label_update_source = 0;
  69
  70 /* use vte wordchars to select paths */
  71 static const gchar VTE_WORDCHARS[] = "-A-Za-z0-9,./?%&#:_";
  72
  73
  74 /* Incomplete VteTerminal struct from vte/vte.h. */
  75 typedef struct _VteTerminal VteTerminal;
  76 struct _VteTerminal
  77 {
  78         GtkWidget widget;
  79         GtkAdjustment *adjustment;
  80 };
  81
  82 #define VTE_TERMINAL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), VTE_TYPE_TERMINAL, VteTerminal))
  83 #define VTE_TYPE_TERMINAL (vf->vte_terminal_get_type())
  84
  85 typedef enum {
  86         VTE_CURSOR_BLINK_SYSTEM,
  87         VTE_CURSOR_BLINK_ON,
  88         VTE_CURSOR_BLINK_OFF
  89 } VteTerminalCursorBlinkMode;
  90
  91
  92 /* Holds function pointers we need to access the VTE API. */
  93 struct VteFunctions
  94 {
  95         GtkWidget* (*vte_terminal_new) (void);
  96         pid_t (*vte_terminal_fork_command) (VteTerminal *terminal, const char *command, char **argv,
  97                                                                                 char **envv, const char *directory, gboolean lastlog,
  98                                                                                 gboolean utmp, gboolean wtmp);
  99         void (*vte_terminal_set_size) (VteTerminal *terminal, glong columns, glong rows);
 100         void (*vte_terminal_set_word_chars) (VteTerminal *terminal, const char *spec);
 101         void (*vte_terminal_set_mouse_autohide) (VteTerminal *terminal, gboolean setting);
 102         void (*vte_terminal_reset) (VteTerminal *terminal, gboolean full, gboolean clear_history);
 103         GType (*vte_terminal_get_type) (void);
 104         void (*vte_terminal_set_scroll_on_output) (VteTerminal *terminal, gboolean scroll);
 105         void (*vte_terminal_set_scroll_on_keystroke) (VteTerminal *terminal, gboolean scroll);
 106         void (*vte_terminal_set_font_from_string) (VteTerminal *terminal, const char *name);
 107         void (*vte_terminal_set_scrollback_lines) (VteTerminal *terminal, glong lines);
 108         gboolean (*vte_terminal_get_has_selection) (VteTerminal *terminal);
 109         void (*vte_terminal_copy_clipboard) (VteTerminal *terminal);
 110         void (*vte_terminal_paste_clipboard) (VteTerminal *terminal);
 111         void (*vte_terminal_set_emulation) (VteTerminal *terminal, const gchar *emulation);
 112         void (*vte_terminal_set_color_foreground) (VteTerminal *terminal, const GdkColor *foreground);
 113         void (*vte_terminal_set_color_bold) (VteTerminal *terminal, const GdkColor *foreground);
 114         void (*vte_terminal_set_color_background) (VteTerminal *terminal, const GdkColor *background);
 115         void (*vte_terminal_feed_child) (VteTerminal *terminal, const char *data, glong length);
 116         void (*vte_terminal_im_append_menuitems) (VteTerminal *terminal, GtkMenuShell *menushell);
 117         void (*vte_terminal_set_cursor_blink_mode) (VteTerminal *terminal,
 118                                                                                                 VteTerminalCursorBlinkMode mode);
 119         void (*vte_terminal_set_cursor_blinks) (VteTerminal *terminal, gboolean blink);
 120         void (*vte_terminal_select_all) (VteTerminal *terminal);
 121         void (*vte_terminal_set_audible_bell) (VteTerminal *terminal, gboolean is_audible);
 122         void (*vte_terminal_set_background_image_file) (VteTerminal *terminal, const char *path);
 123 };
 124
 125
 126 static void create_vte(void);
 127 static void vte_start(GtkWidget *widget);
 128 static void vte_restart(GtkWidget *widget);
 129 static gboolean vte_button_pressed(GtkWidget *widget, GdkEventButton *event, gpointer user_data);
 130 static gboolean vte_keyrelease_cb(GtkWidget *widget, GdkEventKey *event, gpointer data);
 131 static gboolean vte_keypress_cb(GtkWidget *widget, GdkEventKey *event, gpointer data);
 132 static gboolean vte_register_symbols(GModule *module);
 133 static void vte_popup_menu_clicked(GtkMenuItem *menuitem, gpointer user_data);
 134 static GtkWidget *vte_create_popup_menu(void);
 135 static void vte_commit_cb(VteTerminal *vte, gchar *arg1, guint arg2, gpointer user_data);
 136 static void vte_drag_data_received(GtkWidget *widget, GdkDragContext *drag_context,
 137                                                                    gint x, gint y, GtkSelectionData *data, guint info, guint ltime);
 138
 139
 140 enum
 141 {
 142         POPUP_COPY,
 143         POPUP_PASTE,
 144         POPUP_SELECTALL,
 145         POPUP_CHANGEPATH,
 146         POPUP_RESTARTTERMINAL,
 147         POPUP_PREFERENCES,
 148         TARGET_UTF8_STRING = 0,
 149         TARGET_TEXT,
 150         TARGET_COMPOUND_TEXT,
 151         TARGET_STRING,
 152         TARGET_TEXT_PLAIN
 153 };
 154
 155 static const GtkTargetEntry dnd_targets[] =
 156 {
 157   { "UTF8_STRING", 0, TARGET_UTF8_STRING },
 158   { "TEXT", 0, TARGET_TEXT },
 159   { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
 160   { "STRING", 0, TARGET_STRING },
 161   { "text/plain", 0, TARGET_TEXT_PLAIN },
 162 };
 163
 164
 165 static gchar **vte_get_child_environment(void)
 166 {
 167         const gchar *exclude_vars[] = {"COLUMNS", "LINES", "TERM", "TERM_PROGRAM", NULL};
 168
 169         return utils_copy_environment(exclude_vars, "TERM", "xterm", NULL);
 170 }
 171
 172
 173 static void override_menu_key(void)
 174 {
 175         if (gtk_menu_key_accel == NULL) /* for restoring the default value */
 176                 g_object_get(G_OBJECT(gtk_settings_get_default()),
 177                         "gtk-menu-bar-accel", &gtk_menu_key_accel, NULL);
 178
 179         if (vc->ignore_menu_bar_accel)
 180                 gtk_settings_set_string_property(gtk_settings_get_default(),
 181                         "gtk-menu-bar-accel", "<Shift><Control><Mod1><Mod2><Mod3><Mod4><Mod5>F10", "Geany");
 182         else
 183                 gtk_settings_set_string_property(gtk_settings_get_default(),
 184                         "gtk-menu-bar-accel", gtk_menu_key_accel, "Geany");
 185 }
 186
 187
 188 static void on_startup_complete(G_GNUC_UNUSED GObject *dummy)
 189 {
 190         GeanyDocument *doc = document_get_current();
 191
 192         if (doc)
 193                 vte_cwd((doc->real_path != NULL) ? doc->real_path : doc->file_name, FALSE);
 194 }
 195
 196
 197 void vte_init(void)
 198 {
 199         if (vte_info.have_vte == FALSE)
 200         {       /* vte_info.have_vte can be false even if VTE is compiled in, think of command line option */
 201                 geany_debug("Disabling terminal support");
 202                 return;
 203         }
 204
 205         if (!EMPTY(vte_info.lib_vte))
 206         {
 207                 module = g_module_open(vte_info.lib_vte, G_MODULE_BIND_LAZY);
 208         }
 209 #ifdef VTE_MODULE_PATH
 210         else
 211         {
 212                 module = g_module_open(VTE_MODULE_PATH, G_MODULE_BIND_LAZY);
 213         }
 214 #endif
 215
 216         if (module == NULL)
 217         {
 218                 gint i;
 219                 const gchar *sonames[] = {
 220 #if GTK_CHECK_VERSION(3, 0, 0)
 221                         "libvte2_90.so", "libvte2_90.so.9", "libvte2_90.dylib",
 222 #else
 223                         "libvte.so", "libvte.so.4", "libvte.so.8", "libvte.so.9", "libvte.dylib",
 224 #endif
 225                         NULL
 226                 };
 227
 228                 for (i = 0; sonames[i] != NULL && module == NULL; i++)
 229                 {
 230                         module = g_module_open(sonames[i], G_MODULE_BIND_LAZY);
 231                 }
 232         }
 233
 234         if (module == NULL)
 235         {
 236                 vte_info.have_vte = FALSE;
 237                 geany_debug("Could not load libvte.so, embedded terminal support disabled");
 238                 return;
 239         }
 240         else
 241         {
 242                 vf = g_new0(struct VteFunctions, 1);
 243                 if (vte_register_symbols(module))
 244                         vte_info.have_vte = TRUE;
 245                 else
 246                 {
 247                         vte_info.have_vte = FALSE;
 248                         g_free(vf);
 249                         /* FIXME: is closing the module safe? see vte_close() and test on FreeBSD */
 250                         /*g_module_close(module);*/
 251                         module = NULL;
 252                         return;
 253                 }
 254         }
 255
 256         create_vte();
 257
 258         /* setup the F10 menu override (so it works before the widget is first realised). */
 259         override_menu_key();
 260
 261         g_signal_connect(geany_object, "geany-startup-complete", G_CALLBACK(on_startup_complete), NULL);
 262 }
 263
 264
 265 static void on_vte_realize(void)
 266 {
 267         /* the vte widget has to be realised before color changes take effect */
 268         vte_apply_user_settings();
 269
 270         vf->vte_terminal_im_append_menuitems(VTE_TERMINAL(vc->vte), GTK_MENU_SHELL(vc->im_submenu));
 271 }
 272
 273
 274 static gboolean vte_start_idle(G_GNUC_UNUSED gpointer user_data)
 275 {
 276         vte_start(vc->vte);
 277         return FALSE;
 278 }
 279
 280
 281 static void create_vte(void)
 282 {
 283         GtkWidget *vte, *scrollbar, *hbox;
 284
 285         vc->vte = vte = vf->vte_terminal_new();
 286         scrollbar = gtk_vscrollbar_new(GTK_ADJUSTMENT(VTE_TERMINAL(vte)->adjustment));
 287         gtk_widget_set_can_focus(scrollbar, FALSE);
 288
 289         /* create menu now so copy/paste shortcuts work */
 290         vc->menu = vte_create_popup_menu();
 291         g_object_ref_sink(vc->menu);
 292
 293         hbox = gtk_hbox_new(FALSE, 0);
 294         gtk_box_pack_start(GTK_BOX(hbox), vte, TRUE, TRUE, 0);
 295         gtk_box_pack_start(GTK_BOX(hbox), scrollbar, FALSE, FALSE, 0);
 296
 297         /* set the default widget size first to prevent VTE expanding too much,
 298          * sometimes causing the hscrollbar to be too big or out of view. */
 299         gtk_widget_set_size_request(GTK_WIDGET(vte), 10, 10);
 300         vf->vte_terminal_set_size(VTE_TERMINAL(vte), 30, 1);
 301
 302         vf->vte_terminal_set_mouse_autohide(VTE_TERMINAL(vte), TRUE);
 303         vf->vte_terminal_set_word_chars(VTE_TERMINAL(vte), VTE_WORDCHARS);
 304
 305         gtk_drag_dest_set(vte, GTK_DEST_DEFAULT_ALL,
 306                 dnd_targets, G_N_ELEMENTS(dnd_targets), GDK_ACTION_COPY);
 307
 308         g_signal_connect(vte, "child-exited", G_CALLBACK(vte_start), NULL);
 309         g_signal_connect(vte, "button-press-event", G_CALLBACK(vte_button_pressed), NULL);
 310         g_signal_connect(vte, "event", G_CALLBACK(vte_keypress_cb), NULL);
 311         g_signal_connect(vte, "key-release-event", G_CALLBACK(vte_keyrelease_cb), NULL);
 312         g_signal_connect(vte, "commit", G_CALLBACK(vte_commit_cb), NULL);
 313         g_signal_connect(vte, "motion-notify-event", G_CALLBACK(on_motion_event), NULL);
 314         g_signal_connect(vte, "drag-data-received", G_CALLBACK(vte_drag_data_received), NULL);
 315
 316         /* start shell on idle otherwise the initial prompt can get corrupted */
 317         g_idle_add(vte_start_idle, NULL);
 318
 319         gtk_widget_show_all(hbox);
 320         terminal_label = gtk_label_new(_("Terminal"));
 321         gtk_notebook_insert_page(GTK_NOTEBOOK(msgwindow.notebook), hbox, terminal_label, MSG_VTE);
 322
 323         g_signal_connect_after(vte, "realize", G_CALLBACK(on_vte_realize), NULL);
 324 }
 325
 326
 327 void vte_close(void)
 328 {
 329         g_free(vf);
 330         /* free the vte widget before unloading vte module
 331          * this prevents a segfault on X close window if the message window is hidden */
 332         gtk_widget_destroy(vc->vte);
 333         gtk_widget_destroy(vc->menu);
 334         g_object_unref(vc->menu);
 335         g_free(vc->emulation);
 336         g_free(vc->shell);
 337         g_free(vc->image);
 338         g_free(vc->font);
 339         g_free(vc->send_cmd_prefix);
 340         g_free(vc);
 341         g_free(gtk_menu_key_accel);
 342         /* Don't unload the module explicitly because it causes a segfault on FreeBSD. The segfault
 343          * happens when the app really exits, not directly on g_module_close(). This still needs to
 344          * be investigated. */
 345         /*g_module_close(module); */
 346 }
 347
 348
 349 static gboolean set_dirty_idle(gpointer user_data)
 350 {
 351         gtk_widget_set_name(terminal_label, "geany-terminal-dirty");
 352         terminal_label_update_source = 0;
 353         return FALSE;
 354 }
 355
 356
 357 static void set_clean(gboolean value)
 358 {
 359         if (clean != value)
 360         {
 361                 if (terminal_label)
 362                 {
 363                         if (terminal_label_update_source > 0)
 364                         {
 365                                 g_source_remove(terminal_label_update_source);
 366                                 terminal_label_update_source = 0;
 367                         }
 368                         if (value)
 369                                 gtk_widget_set_name(terminal_label, NULL);
 370                         else
 371                                 terminal_label_update_source = g_timeout_add(150, set_dirty_idle, NULL);
 372                 }
 373                 clean = value;
 374         }
 375 }
 376
 377
 378 static gboolean vte_keyrelease_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 379 {
 380         if (ui_is_keyval_enter_or_return(event->keyval) ||
 381                 ((event->keyval == GDK_c) && (event->state & GDK_CONTROL_MASK)))
 382         {
 383                 /* assume any text on the prompt has been executed when pressing Enter/Return */
 384                 set_clean(TRUE);
 385         }
 386         return FALSE;
 387 }
 388
 389
 390 static gboolean vte_keypress_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 391 {
 392         if (vc->enable_bash_keys)
 393                 return FALSE;   /* Ctrl-[CD] will be handled by the VTE itself */
 394
 395         if (event->type != GDK_KEY_RELEASE)
 396                 return FALSE;
 397
 398         if ((event->keyval == GDK_c ||
 399                 event->keyval == GDK_d ||
 400                 event->keyval == GDK_C ||
 401                 event->keyval == GDK_D) &&
 402                 event->state & GDK_CONTROL_MASK &&
 403                 ! (event->state & GDK_SHIFT_MASK) && ! (event->state & GDK_MOD1_MASK))
 404         {
 405                 vte_restart(widget);
 406                 return TRUE;
 407         }
 408         return FALSE;
 409 }
 410
 411
 412 static void vte_commit_cb(VteTerminal *vte, gchar *arg1, guint arg2, gpointer user_data)
 413 {
 414         set_clean(FALSE);
 415 }
 416
 417
 418 static void vte_start(GtkWidget *widget)
 419 {
 420         /* split the shell command line, so arguments will work too */
 421         gchar **argv = g_strsplit(vc->shell, " ", -1);
 422
 423         if (argv != NULL)
 424         {
 425                 gchar **env = vte_get_child_environment();
 426
 427                 pid = vf->vte_terminal_fork_command(VTE_TERMINAL(widget), argv[0], argv, env,
 428                                                                                         vte_info.dir, TRUE, TRUE, TRUE);
 429                 g_strfreev(env);
 430                 g_strfreev(argv);
 431         }
 432         else
 433                 pid = 0; /* use 0 as invalid pid */
 434
 435         set_clean(TRUE);
 436 }
 437
 438
 439 static void vte_restart(GtkWidget *widget)
 440 {
 441         vte_get_working_directory(); /* try to keep the working directory when restarting the VTE */
 442         if (pid > 0)
 443         {
 444                 kill(pid, SIGINT);
 445                 pid = 0;
 446         }
 447         vf->vte_terminal_reset(VTE_TERMINAL(widget), TRUE, TRUE);
 448         set_clean(TRUE);
 449 }
 450
 451
 452 static gboolean vte_button_pressed(GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 453 {
 454         if (event->button == 3)
 455         {
 456                 gtk_widget_grab_focus(vc->vte);
 457                 gtk_menu_popup(GTK_MENU(vc->menu), NULL, NULL, NULL, NULL, event->button, event->time);
 458         }
 459         else if (event->button == 2)
 460         {
 461                 gtk_widget_grab_focus(widget);
 462         }
 463         return FALSE;
 464 }
 465
 466
 467 static void vte_set_cursor_blink_mode(void)
 468 {
 469         if (vf->vte_terminal_set_cursor_blink_mode != NULL)
 470                 /* vte >= 0.17.1 */
 471                 vf->vte_terminal_set_cursor_blink_mode(VTE_TERMINAL(vc->vte),
 472                         (vc->cursor_blinks) ? VTE_CURSOR_BLINK_ON : VTE_CURSOR_BLINK_OFF);
 473         else
 474                 /* vte < 0.17.1 */
 475                 vf->vte_terminal_set_cursor_blinks(VTE_TERMINAL(vc->vte), vc->cursor_blinks);
 476 }
 477
 478
 479 static gboolean vte_register_symbols(GModule *mod)
 480 {
 481         #define BIND_SYMBOL(field) \
 482                 g_module_symbol(mod, #field, (void*)&vf->field)
 483         #define BIND_REQUIRED_SYMBOL(field) \
 484                 G_STMT_START { \
 485                         if (! BIND_SYMBOL(field)) \
 486                         { \
 487                                 g_critical(_("invalid VTE library \"%s\": missing symbol \"%s\""), \
 488                                                 g_module_name(mod), #field); \
 489                                 return FALSE; \
 490                         } \
 491                 } G_STMT_END
 492
 493         BIND_REQUIRED_SYMBOL(vte_terminal_new);
 494         BIND_REQUIRED_SYMBOL(vte_terminal_set_size);
 495         BIND_REQUIRED_SYMBOL(vte_terminal_fork_command);
 496         BIND_REQUIRED_SYMBOL(vte_terminal_set_word_chars);
 497         BIND_REQUIRED_SYMBOL(vte_terminal_set_mouse_autohide);
 498         BIND_REQUIRED_SYMBOL(vte_terminal_reset);
 499         BIND_REQUIRED_SYMBOL(vte_terminal_get_type);
 500         BIND_REQUIRED_SYMBOL(vte_terminal_set_scroll_on_output);
 501         BIND_REQUIRED_SYMBOL(vte_terminal_set_scroll_on_keystroke);
 502         BIND_REQUIRED_SYMBOL(vte_terminal_set_font_from_string);
 503         BIND_REQUIRED_SYMBOL(vte_terminal_set_scrollback_lines);
 504         BIND_REQUIRED_SYMBOL(vte_terminal_get_has_selection);
 505         BIND_REQUIRED_SYMBOL(vte_terminal_copy_clipboard);
 506         BIND_REQUIRED_SYMBOL(vte_terminal_paste_clipboard);
 507         BIND_REQUIRED_SYMBOL(vte_terminal_set_emulation);
 508         BIND_REQUIRED_SYMBOL(vte_terminal_set_color_foreground);
 509         BIND_REQUIRED_SYMBOL(vte_terminal_set_color_bold);
 510         BIND_REQUIRED_SYMBOL(vte_terminal_set_color_background);
 511         BIND_REQUIRED_SYMBOL(vte_terminal_set_background_image_file);
 512         BIND_REQUIRED_SYMBOL(vte_terminal_feed_child);
 513         BIND_REQUIRED_SYMBOL(vte_terminal_im_append_menuitems);
 514         if (! BIND_SYMBOL(vte_terminal_set_cursor_blink_mode))
 515                 /* vte_terminal_set_cursor_blink_mode() is only available since 0.17.1, so if we don't find
 516                  * this symbol, we are probably on an older version and use the old API instead */
 517                 BIND_REQUIRED_SYMBOL(vte_terminal_set_cursor_blinks);
 518         BIND_REQUIRED_SYMBOL(vte_terminal_select_all);
 519         BIND_REQUIRED_SYMBOL(vte_terminal_set_audible_bell);
 520
 521         #undef BIND_REQUIRED_SYMBOL
 522         #undef BIND_SYMBOL
 523
 524         return TRUE;
 525 }
 526
 527
 528 void vte_apply_user_settings(void)
 529 {
 530         if (! ui_prefs.msgwindow_visible)
 531                 return;
 532
 533         vf->vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte), vc->scrollback_lines);
 534         vf->vte_terminal_set_scroll_on_keystroke(VTE_TERMINAL(vc->vte), vc->scroll_on_key);
 535         vf->vte_terminal_set_scroll_on_output(VTE_TERMINAL(vc->vte), vc->scroll_on_out);
 536         vf->vte_terminal_set_emulation(VTE_TERMINAL(vc->vte), vc->emulation);
 537         vf->vte_terminal_set_font_from_string(VTE_TERMINAL(vc->vte), vc->font);
 538         vf->vte_terminal_set_color_foreground(VTE_TERMINAL(vc->vte), &vc->colour_fore);
 539         vf->vte_terminal_set_color_bold(VTE_TERMINAL(vc->vte), &vc->colour_fore);
 540         vf->vte_terminal_set_color_background(VTE_TERMINAL(vc->vte), &vc->colour_back);
 541         vf->vte_terminal_set_background_image_file(VTE_TERMINAL(vc->vte), vc->image);
 542         vf->vte_terminal_set_audible_bell(VTE_TERMINAL(vc->vte), prefs.beep_on_errors);
 543         vte_set_cursor_blink_mode();
 544
 545         override_menu_key();
 546 }
 547
 548
 549 static void vte_popup_menu_clicked(GtkMenuItem *menuitem, gpointer user_data)
 550 {
 551         switch (GPOINTER_TO_INT(user_data))
 552         {
 553                 case POPUP_COPY:
 554                 {
 555                         if (vf->vte_terminal_get_has_selection(VTE_TERMINAL(vc->vte)))
 556                                 vf->vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte));
 557                         break;
 558                 }
 559                 case POPUP_PASTE:
 560                 {
 561                         vf->vte_terminal_paste_clipboard(VTE_TERMINAL(vc->vte));
 562                         break;
 563                 }
 564                 case POPUP_SELECTALL:
 565                 {
 566                         vte_select_all();
 567                         break;
 568                 }
 569                 case POPUP_CHANGEPATH:
 570                 {
 571                         GeanyDocument *doc = document_get_current();
 572                         if (doc != NULL)
 573                                 vte_cwd(doc->file_name, TRUE);
 574                         break;
 575                 }
 576                 case POPUP_RESTARTTERMINAL:
 577                 {
 578                         vte_restart(vc->vte);
 579                         break;
 580                 }
 581                 case POPUP_PREFERENCES:
 582                 {
 583                         GtkWidget *notebook, *tab_page;
 584
 585                         prefs_show_dialog();
 586
 587                         notebook = ui_lookup_widget(ui_widgets.prefs_dialog, "notebook2");
 588                         tab_page = ui_lookup_widget(ui_widgets.prefs_dialog, "frame_term");
 589
 590                         gtk_notebook_set_current_page(GTK_NOTEBOOK(notebook),
 591                                 gtk_notebook_page_num(GTK_NOTEBOOK(notebook), GTK_WIDGET(tab_page)));
 592
 593                         break;
 594                 }
 595         }
 596 }
 597
 598
 599 static GtkWidget *vte_create_popup_menu(void)
 600 {
 601         GtkWidget *menu, *item;
 602         GtkAccelGroup *accel_group;
 603
 604         menu = gtk_menu_new();
 605
 606         accel_group = gtk_accel_group_new();
 607         gtk_window_add_accel_group(GTK_WINDOW(main_widgets.window), accel_group);
 608
 609         item = gtk_image_menu_item_new_from_stock(GTK_STOCK_COPY, NULL);
 610         gtk_widget_add_accelerator(item, "activate", accel_group,
 611                 GDK_c, GEANY_PRIMARY_MOD_MASK | GDK_SHIFT_MASK, GTK_ACCEL_VISIBLE);
 612         gtk_widget_show(item);
 613         gtk_container_add(GTK_CONTAINER(menu), item);
 614         g_signal_connect(item, "activate", G_CALLBACK(vte_popup_menu_clicked), GINT_TO_POINTER(POPUP_COPY));
 615
 616         item = gtk_image_menu_item_new_from_stock(GTK_STOCK_PASTE, NULL);
 617         gtk_widget_add_accelerator(item, "activate", accel_group,
 618                 GDK_v, GEANY_PRIMARY_MOD_MASK | GDK_SHIFT_MASK, GTK_ACCEL_VISIBLE);
 619         gtk_widget_show(item);
 620         gtk_container_add(GTK_CONTAINER(menu), item);
 621         g_signal_connect(item, "activate", G_CALLBACK(vte_popup_menu_clicked), GINT_TO_POINTER(POPUP_PASTE));
 622
 623         item = gtk_separator_menu_item_new();
 624         gtk_widget_show(item);
 625         gtk_container_add(GTK_CONTAINER(menu), item);
 626
 627         item = gtk_image_menu_item_new_from_stock(GTK_STOCK_SELECT_ALL, NULL);
 628         gtk_widget_show(item);
 629         gtk_container_add(GTK_CONTAINER(menu), item);
 630         g_signal_connect(item, "activate", G_CALLBACK(vte_popup_menu_clicked), GINT_TO_POINTER(POPUP_SELECTALL));
 631
 632         item = gtk_separator_menu_item_new();
 633         gtk_widget_show(item);
 634         gtk_container_add(GTK_CONTAINER(menu), item);
 635
 636         item = gtk_image_menu_item_new_with_mnemonic(_("_Set Path From Document"));
 637         gtk_widget_show(item);
 638         gtk_container_add(GTK_CONTAINER(menu), item);
 639         g_signal_connect(item, "activate", G_CALLBACK(vte_popup_menu_clicked), GINT_TO_POINTER(POPUP_CHANGEPATH));
 640
 641         item = gtk_image_menu_item_new_with_mnemonic(_("_Restart Terminal"));
 642         gtk_widget_show(item);
 643         gtk_container_add(GTK_CONTAINER(menu), item);
 644         g_signal_connect(item, "activate", G_CALLBACK(vte_popup_menu_clicked), GINT_TO_POINTER(POPUP_RESTARTTERMINAL));
 645
 646         item = gtk_separator_menu_item_new();
 647         gtk_widget_show(item);
 648         gtk_container_add(GTK_CONTAINER(menu), item);
 649
 650         item = gtk_image_menu_item_new_from_stock(GTK_STOCK_PREFERENCES, NULL);
 651         gtk_widget_show(item);
 652         gtk_container_add(GTK_CONTAINER(menu), item);
 653         g_signal_connect(item, "activate", G_CALLBACK(vte_popup_menu_clicked), GINT_TO_POINTER(POPUP_PREFERENCES));
 654
 655         msgwin_menu_add_common_items(GTK_MENU(menu));
 656
 657         item = gtk_separator_menu_item_new();
 658         gtk_widget_show(item);
 659         gtk_container_add(GTK_CONTAINER(menu), item);
 660
 661         /* the IM submenu should always be the last item to be consistent with other GTK popup menus */
 662         vc->im_submenu = gtk_menu_new();
 663
 664         item = gtk_image_menu_item_new_with_mnemonic(_("_Input Methods"));
 665         gtk_widget_show(item);
 666         gtk_container_add(GTK_CONTAINER(menu), item);
 667
 668         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), vc->im_submenu);
 669         /* submenu populated after vte realized */
 670         return menu;
 671 }
 672
 673
 674 /* If the command could be executed, TRUE is returned, FALSE otherwise (i.e. there was some text
 675  * on the prompt). */
 676 gboolean vte_send_cmd(const gchar *cmd)
 677 {
 678         if (clean)
 679         {
 680                 vf->vte_terminal_feed_child(VTE_TERMINAL(vc->vte), cmd, strlen(cmd));
 681                 set_clean(TRUE); /* vte_terminal_feed_child() also marks the vte as not clean */
 682                 return TRUE;
 683         }
 684         else
 685                 return FALSE;
 686 }
 687
 688
 689 /* Taken from Terminal by os-cillation: terminal_screen_get_working_directory, thanks.
 690  * Determines the working directory using various OS-specific mechanisms and stores the determined
 691  * directory in vte_info.dir. Note: vte_info.dir contains the real path. */
 692 const gchar *vte_get_working_directory(void)
 693 {
 694         if (pid > 0)
 695         {
 696                 gchar  buffer[4096 + 1];
 697                 gchar *file = g_strdup_printf("/proc/%d/cwd", pid);
 698                 gint   length = readlink(file, buffer, sizeof(buffer));
 699
 700                 if (length > 0 && *buffer == '/')
 701                 {
 702                         buffer[length] = '\0';
 703                         g_free(vte_info.dir);
 704                         vte_info.dir = g_strdup(buffer);
 705                 }
 706                 else if (length == 0)
 707                 {
 708                         gchar *cwd = g_get_current_dir();
 709
 710                         if (cwd != NULL)
 711                         {
 712                                 if (chdir(file) == 0)
 713                                 {
 714                                         g_free(vte_info.dir);
 715                                         vte_info.dir = g_get_current_dir();
 716                                         if (chdir(cwd) != 0)
 717                                                 geany_debug("%s: %s", G_STRFUNC, g_strerror(errno));
 718                                 }
 719                                 g_free(cwd);
 720                         }
 721                 }
 722                 g_free(file);
 723         }
 724
 725         return vte_info.dir;
 726 }
 727
 728
 729 /* Changes the current working directory of the VTE to the path of the given filename.
 730  * filename is expected to be in UTF-8 encoding.
 731  * filename can also be a path, then it is used directly.
 732  * If force is set to TRUE, it will always change the cwd
 733  */
 734 void vte_cwd(const gchar *filename, gboolean force)
 735 {
 736         if (vte_info.have_vte && (vc->follow_path || force) &&
 737                 filename != NULL && g_path_is_absolute(filename))
 738         {
 739                 gchar *path;
 740
 741                 if (g_file_test(filename, G_FILE_TEST_IS_DIR))
 742                         path = g_strdup(filename);
 743                 else
 744                         path = g_path_get_dirname(filename);
 745
 746                 vte_get_working_directory(); /* refresh vte_info.dir */
 747                 if (! utils_str_equal(path, vte_info.dir))
 748                 {
 749                         /* use g_shell_quote to avoid problems with spaces, '!' or something else in path */
 750                         gchar *quoted_path = g_shell_quote(path);
 751                         gchar *cmd = g_strconcat(vc->send_cmd_prefix, "cd ", quoted_path, "\n", NULL);
 752                         if (! vte_send_cmd(cmd))
 753                         {
 754                                 const gchar *msg = _("Directory not changed because the terminal may contain some input (press Ctrl+C or Enter to clear it).");
 755                                 ui_set_statusbar(FALSE, "%s", msg);
 756                                 geany_debug("%s", msg);
 757                         }
 758                         g_free(quoted_path);
 759                         g_free(cmd);
 760                 }
 761                 g_free(path);
 762         }
 763 }
 764
 765
 766 static void vte_drag_data_received(GtkWidget *widget, GdkDragContext *drag_context,
 767                                                                    gint x, gint y, GtkSelectionData *data, guint info, guint ltime)
 768 {
 769         if (info == TARGET_TEXT_PLAIN)
 770         {
 771                 if (gtk_selection_data_get_format(data) == 8 && gtk_selection_data_get_length(data) > 0)
 772                         vf->vte_terminal_feed_child(VTE_TERMINAL(widget),
 773                                 (const gchar*) gtk_selection_data_get_data(data),
 774                                 gtk_selection_data_get_length(data));
 775         }
 776         else
 777         {
 778                 gchar *text = (gchar*) gtk_selection_data_get_text(data);
 779                 if (!EMPTY(text))
 780                         vf->vte_terminal_feed_child(VTE_TERMINAL(widget), text, strlen(text));
 781                 g_free(text);
 782         }
 783         gtk_drag_finish(drag_context, TRUE, FALSE, ltime);
 784 }
 785
 786
 787 static void on_check_run_in_vte_toggled(GtkToggleButton *togglebutton, GtkWidget *user_data)
 788 {
 789         g_return_if_fail(GTK_IS_WIDGET(user_data));
 790         gtk_widget_set_sensitive(user_data, gtk_toggle_button_get_active(togglebutton));
 791 }
 792
 793
 794 static void on_term_font_set(GtkFontButton *widget, gpointer user_data)
 795 {
 796         const gchar *fontbtn = gtk_font_button_get_font_name(widget);
 797
 798         if (! utils_str_equal(fontbtn, vc->font))
 799         {
 800                 SETPTR(vc->font, g_strdup(gtk_font_button_get_font_name(widget)));
 801                 vte_apply_user_settings();
 802         }
 803 }
 804
 805
 806 static void on_term_fg_color_set(GtkColorButton *widget, gpointer user_data)
 807 {
 808         gtk_color_button_get_color(widget, &vc->colour_fore);
 809 }
 810
 811
 812 static void on_term_bg_color_set(GtkColorButton *widget, gpointer user_data)
 813 {
 814         gtk_color_button_get_color(widget, &vc->colour_back);
 815 }
 816
 817
 818 void vte_append_preferences_tab(void)
 819 {
 820         if (vte_info.have_vte)
 821         {
 822                 GtkWidget *frame_term, *button_shell, *entry_shell;
 823                 GtkWidget *check_run_in_vte, *check_skip_script;
 824                 GtkWidget *font_button, *fg_color_button, *bg_color_button;
 825                 GtkWidget *entry_image, *button_image;
 826
 827                 button_shell = GTK_WIDGET(ui_lookup_widget(ui_widgets.prefs_dialog, "button_term_shell"));
 828                 entry_shell = GTK_WIDGET(ui_lookup_widget(ui_widgets.prefs_dialog, "entry_shell"));
 829                 ui_setup_open_button_callback(button_shell, NULL,
 830                         GTK_FILE_CHOOSER_ACTION_OPEN, GTK_ENTRY(entry_shell));
 831
 832                 button_image = GTK_WIDGET(ui_lookup_widget(ui_widgets.prefs_dialog, "button_term_image"));
 833                 entry_image = GTK_WIDGET(ui_lookup_widget(ui_widgets.prefs_dialog, "entry_image"));
 834                 ui_setup_open_button_callback(button_image, NULL,
 835                         GTK_FILE_CHOOSER_ACTION_OPEN, GTK_ENTRY(entry_image));
 836
 837                 check_skip_script = GTK_WIDGET(ui_lookup_widget(ui_widgets.prefs_dialog, "check_skip_script"));
 838                 gtk_widget_set_sensitive(check_skip_script, vc->run_in_vte);
 839
 840                 check_run_in_vte = GTK_WIDGET(ui_lookup_widget(ui_widgets.prefs_dialog, "check_run_in_vte"));
 841                 g_signal_connect(G_OBJECT(check_run_in_vte), "toggled",
 842                         G_CALLBACK(on_check_run_in_vte_toggled), check_skip_script);
 843
 844                 font_button = ui_lookup_widget(ui_widgets.prefs_dialog, "font_term");
 845                 g_signal_connect(font_button, "font-set",  G_CALLBACK(on_term_font_set), NULL);
 846
 847                 fg_color_button = ui_lookup_widget(ui_widgets.prefs_dialog, "color_fore");
 848                 g_signal_connect(fg_color_button, "color-set", G_CALLBACK(on_term_fg_color_set), NULL);
 849
 850                 bg_color_button = ui_lookup_widget(ui_widgets.prefs_dialog, "color_back");
 851                 g_signal_connect(bg_color_button, "color-set", G_CALLBACK(on_term_bg_color_set), NULL);
 852
 853                 frame_term = ui_lookup_widget(ui_widgets.prefs_dialog, "frame_term");
 854                 gtk_widget_show_all(frame_term);
 855         }
 856 }
 857
 858
 859 void vte_select_all(void)
 860 {
 861         if (vf->vte_terminal_select_all != NULL)
 862                 vf->vte_terminal_select_all(VTE_TERMINAL(vc->vte));
 863 }
 864
 865
 866 void vte_send_selection_to_vte(void)
 867 {
 868         GeanyDocument *doc;
 869         gchar *text;
 870         gsize len;
 871
 872         doc = document_get_current();
 873         g_return_if_fail(doc != NULL);
 874
 875         if (sci_has_selection(doc->editor->sci))
 876         {
 877                 text = sci_get_selection_contents(doc->editor->sci);
 878         }
 879         else
 880         {       /* Get the current line */
 881                 gint line_num = sci_get_current_line(doc->editor->sci);
 882                 text = sci_get_line(doc->editor->sci, line_num);
 883         }
 884
 885         len = strlen(text);
 886
 887         if (vc->send_selection_unsafe)
 888         {       /* Explicitly append a trailing newline character to get the command executed,
 889                    this is disabled by default as it could cause all sorts of damage. */
 890                 if (text[len-1] != '\n' && text[len-1] != '\r')
 891                 {
 892                         SETPTR(text, g_strconcat(text, "\n", NULL));
 893                         len++;
 894                 }
 895         }
 896         else
 897         {       /* Make sure there is no newline character at the end to prevent unwanted execution */
 898                 while (text[len-1] == '\n' || text[len-1] == '\r')
 899                 {
 900                         text[len-1] = '\0';
 901                         len--;
 902                 }
 903         }
 904
 905         vf->vte_terminal_feed_child(VTE_TERMINAL(vc->vte), text, len);
 906
 907         /* show the VTE */
 908         gtk_notebook_set_current_page(GTK_NOTEBOOK(msgwindow.notebook), MSG_VTE);
 909         gtk_widget_grab_focus(vc->vte);
 910         msgwin_show_hide(TRUE);
 911
 912         g_free(text);
 913 }
 914
 915
 916 #endif