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/*
* vte.c - this file is part of Geany, a fast and lightweight IDE
*
* Copyright 2005-2012 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
* Copyright 2006-2012 Nick Treleaven <nick(dot)treleaven(at)btinternet(dot)com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* Virtual Terminal Emulation setup and handling code, using the libvte plugin library.
*/
#include "geany.h"
#ifdef HAVE_VTE
/* include stdlib.h AND unistd.h, because on GNU/Linux pid_t seems to be
* in stdlib.h, on FreeBSD in unistd.h, sys/types.h is needed for C89 */
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <gdk/gdkkeysyms.h>
#include <signal.h>
#include <string.h>
#include <errno.h>
#include "vte.h"
#include "support.h"
#include "prefs.h"
#include "ui_utils.h"
#include "utils.h"
#include "document.h"
#include "msgwindow.h"
#include "callbacks.h"
#include "geanywraplabel.h"
#include "editor.h"
#include "sciwrappers.h"
VteInfo vte_info;
VteConfig *vc;
static pid_t pid = 0;
static gboolean clean = TRUE;
static GModule *module = NULL;
static struct VteFunctions *vf;
static gchar *gtk_menu_key_accel = NULL;
/* use vte wordchars to select paths */
static const gchar VTE_WORDCHARS[] = "-A-Za-z0-9,./?%&#:_";
/* Incomplete VteTerminal struct from vte/vte.h. */
typedef struct _VteTerminal VteTerminal;
struct _VteTerminal
{
GtkWidget widget;
GtkAdjustment *adjustment;
};
#define VTE_TERMINAL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), VTE_TYPE_TERMINAL, VteTerminal))
#define VTE_TYPE_TERMINAL (vf->vte_terminal_get_type())
typedef enum {
VTE_CURSOR_BLINK_SYSTEM,
VTE_CURSOR_BLINK_ON,
VTE_CURSOR_BLINK_OFF
} VteTerminalCursorBlinkMode;
/* Holds function pointers we need to access the VTE API. */
struct VteFunctions
{
GtkWidget* (*vte_terminal_new) (void);
pid_t (*vte_terminal_fork_command) (VteTerminal *terminal, const char *command, char **argv,
char **envv, const char *directory, gboolean lastlog,
gboolean utmp, gboolean wtmp);
void (*vte_terminal_set_size) (VteTerminal *terminal, glong columns, glong rows);
void (*vte_terminal_set_word_chars) (VteTerminal *terminal, const char *spec);
void (*vte_terminal_set_mouse_autohide) (VteTerminal *terminal, gboolean setting);
void (*vte_terminal_reset) (VteTerminal *terminal, gboolean full, gboolean clear_history);
GType (*vte_terminal_get_type) (void);
void (*vte_terminal_set_scroll_on_output) (VteTerminal *terminal, gboolean scroll);
void (*vte_terminal_set_scroll_on_keystroke) (VteTerminal *terminal, gboolean scroll);
void (*vte_terminal_set_font_from_string) (VteTerminal *terminal, const char *name);
void (*vte_terminal_set_scrollback_lines) (VteTerminal *terminal, glong lines);
gboolean (*vte_terminal_get_has_selection) (VteTerminal *terminal);
void (*vte_terminal_copy_clipboard) (VteTerminal *terminal);
void (*vte_terminal_paste_clipboard) (VteTerminal *terminal);
void (*vte_terminal_set_emulation) (VteTerminal *terminal, const gchar *emulation);
void (*vte_terminal_set_color_foreground) (VteTerminal *terminal, const GdkColor *foreground);
void (*vte_terminal_set_color_bold) (VteTerminal *terminal, const GdkColor *foreground);
void (*vte_terminal_set_color_background) (VteTerminal *terminal, const GdkColor *background);
void (*vte_terminal_feed_child) (VteTerminal *terminal, const char *data, glong length);
void (*vte_terminal_im_append_menuitems) (VteTerminal *terminal, GtkMenuShell *menushell);
void (*vte_terminal_set_cursor_blink_mode) (VteTerminal *terminal,
VteTerminalCursorBlinkMode mode);
void (*vte_terminal_set_cursor_blinks) (VteTerminal *terminal, gboolean blink);
void (*vte_terminal_select_all) (VteTerminal *terminal);
void (*vte_terminal_set_audible_bell) (VteTerminal *terminal, gboolean is_audible);
};
static void create_vte(void);
static void vte_start(GtkWidget *widget);
static void vte_restart(GtkWidget *widget);
static gboolean vte_button_pressed(GtkWidget *widget, GdkEventButton *event, gpointer user_data);
static gboolean vte_keyrelease_cb(GtkWidget *widget, GdkEventKey *event, gpointer data);
static gboolean vte_keypress_cb(GtkWidget *widget, GdkEventKey *event, gpointer data);
static gboolean vte_register_symbols(GModule *module);
static void vte_popup_menu_clicked(GtkMenuItem *menuitem, gpointer user_data);
static GtkWidget *vte_create_popup_menu(void);
static void vte_commit_cb(VteTerminal *vte, gchar *arg1, guint arg2, gpointer user_data);
static void vte_drag_data_received(GtkWidget *widget, GdkDragContext *drag_context,
gint x, gint y, GtkSelectionData *data, guint info, guint ltime);
enum
{
POPUP_COPY,
POPUP_PASTE,
POPUP_SELECTALL,
POPUP_CHANGEPATH,
POPUP_RESTARTTERMINAL,
POPUP_PREFERENCES,
TARGET_UTF8_STRING = 0,
TARGET_TEXT,
TARGET_COMPOUND_TEXT,
TARGET_STRING,
TARGET_TEXT_PLAIN
};
static const GtkTargetEntry dnd_targets[] =
{
{ "UTF8_STRING", 0, TARGET_UTF8_STRING },
{ "TEXT", 0, TARGET_TEXT },
{ "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
{ "STRING", 0, TARGET_STRING },
{ "text/plain", 0, TARGET_TEXT_PLAIN },
};
static gchar **vte_get_child_environment(void)
{
const gchar *exclude_vars[] = {"COLUMNS", "LINES", "TERM", NULL};
return utils_copy_environment(exclude_vars, "TERM", "xterm", NULL);
}
static void override_menu_key(void)
{
if (gtk_menu_key_accel == NULL) /* for restoring the default value */
g_object_get(G_OBJECT(gtk_settings_get_default()),
"gtk-menu-bar-accel", &gtk_menu_key_accel, NULL);
if (vc->ignore_menu_bar_accel)
gtk_settings_set_string_property(gtk_settings_get_default(),
"gtk-menu-bar-accel", "<Shift><Control><Mod1><Mod2><Mod3><Mod4><Mod5>F10", "Geany");
else
gtk_settings_set_string_property(gtk_settings_get_default(),
"gtk-menu-bar-accel", gtk_menu_key_accel, "Geany");
}
void vte_init(void)
{
if (vte_info.have_vte == FALSE)
{ /* vte_info.have_vte can be false even if VTE is compiled in, think of command line option */
geany_debug("Disabling terminal support");
return;
}
if (NZV(vte_info.lib_vte))
{
module = g_module_open(vte_info.lib_vte, G_MODULE_BIND_LAZY);
}
#ifdef VTE_MODULE_PATH
else
{
module = g_module_open(VTE_MODULE_PATH, G_MODULE_BIND_LAZY);
}
#endif
if (module == NULL)
{
gint i;
const gchar *sonames[] = { "libvte.so", "libvte.so.4",
"libvte.so.8", "libvte.so.9", NULL };
for (i = 0; sonames[i] != NULL && module == NULL; i++)
{
module = g_module_open(sonames[i], G_MODULE_BIND_LAZY);
}
}
if (module == NULL)
{
vte_info.have_vte = FALSE;
geany_debug("Could not load libvte.so, embedded terminal support disabled");
return;
}
else
{
vf = g_new0(struct VteFunctions, 1);
if (vte_register_symbols(module))
vte_info.have_vte = TRUE;
else
{
vte_info.have_vte = FALSE;
g_free(vf);
/* FIXME: is closing the module safe? see vte_close() and test on FreeBSD */
/*g_module_close(module);*/
module = NULL;
return;
}
}
create_vte();
/* setup the F10 menu override (so it works before the widget is first realised). */
override_menu_key();
}
static void on_vte_realize(void)
{
/* the vte widget has to be realised before color changes take effect */
vte_apply_user_settings();
vf->vte_terminal_im_append_menuitems(VTE_TERMINAL(vc->vte), GTK_MENU_SHELL(vc->im_submenu));
}
static void create_vte(void)
{
GtkWidget *vte, *scrollbar, *hbox, *frame;
vc->vte = vte = vf->vte_terminal_new();
scrollbar = gtk_vscrollbar_new(GTK_ADJUSTMENT(VTE_TERMINAL(vte)->adjustment));
GTK_WIDGET_UNSET_FLAGS(scrollbar, GTK_CAN_FOCUS);
/* create menu now so copy/paste shortcuts work */
vc->menu = vte_create_popup_menu();
g_object_ref_sink(vc->menu);
frame = gtk_frame_new(NULL);
hbox = gtk_hbox_new(FALSE, 0);
gtk_container_add(GTK_CONTAINER(frame), hbox);
gtk_box_pack_start(GTK_BOX(hbox), vte, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(hbox), scrollbar, FALSE, FALSE, 0);
/* set the default widget size first to prevent VTE expanding too much,
* sometimes causing the hscrollbar to be too big or out of view. */
gtk_widget_set_size_request(GTK_WIDGET(vte), 10, 10);
vf->vte_terminal_set_size(VTE_TERMINAL(vte), 30, 1);
vf->vte_terminal_set_mouse_autohide(VTE_TERMINAL(vte), TRUE);
vf->vte_terminal_set_word_chars(VTE_TERMINAL(vte), VTE_WORDCHARS);
gtk_drag_dest_set(vte, GTK_DEST_DEFAULT_ALL,
dnd_targets, G_N_ELEMENTS(dnd_targets), GDK_ACTION_COPY);
g_signal_connect(vte, "child-exited", G_CALLBACK(vte_start), NULL);
g_signal_connect(vte, "button-press-event", G_CALLBACK(vte_button_pressed), NULL);
g_signal_connect(vte, "event", G_CALLBACK(vte_keypress_cb), NULL);
g_signal_connect(vte, "key-release-event", G_CALLBACK(vte_keyrelease_cb), NULL);
g_signal_connect(vte, "commit", G_CALLBACK(vte_commit_cb), NULL);
g_signal_connect(vte, "motion-notify-event", G_CALLBACK(on_motion_event), NULL);
g_signal_connect(vte, "drag-data-received", G_CALLBACK(vte_drag_data_received), NULL);
vte_start(vte);
gtk_widget_show_all(frame);
gtk_notebook_insert_page(GTK_NOTEBOOK(msgwindow.notebook), frame, gtk_label_new(_("Terminal")), MSG_VTE);
g_signal_connect_after(vte, "realize", G_CALLBACK(on_vte_realize), NULL);
}
void vte_close(void)
{
g_free(vf);
/* free the vte widget before unloading vte module
* this prevents a segfault on X close window if the message window is hidden */
gtk_widget_destroy(vc->vte);
gtk_widget_destroy(vc->menu);
g_object_unref(vc->menu);
g_free(vc->emulation);
g_free(vc->shell);
g_free(vc->font);
g_free(vc->colour_back);
g_free(vc->colour_fore);
g_free(vc->send_cmd_prefix);
g_free(vc);
g_free(gtk_menu_key_accel);
/* Don't unload the module explicitly because it causes a segfault on FreeBSD. The segfault
* happens when the app really exits, not directly on g_module_close(). This still needs to
* be investigated. */
/*g_module_close(module); */
}
static gboolean vte_keyrelease_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
if (ui_is_keyval_enter_or_return(event->keyval) ||
((event->keyval == GDK_c) && (event->state & GDK_CONTROL_MASK)))
{
/* assume any text on the prompt has been executed when pressing Enter/Return */
clean = TRUE;
}
return FALSE;
}
static gboolean vte_keypress_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
if (vc->enable_bash_keys)
return FALSE; /* Ctrl-[CD] will be handled by the VTE itself */
if (event->type != GDK_KEY_RELEASE)
return FALSE;
if ((event->keyval == GDK_c ||
event->keyval == GDK_d ||
event->keyval == GDK_C ||
event->keyval == GDK_D) &&
event->state & GDK_CONTROL_MASK &&
! (event->state & GDK_SHIFT_MASK) && ! (event->state & GDK_MOD1_MASK))
{
vte_restart(widget);
return TRUE;
}
return FALSE;
}
static void vte_commit_cb(VteTerminal *vte, gchar *arg1, guint arg2, gpointer user_data)
{
clean = FALSE;
}
static void vte_start(GtkWidget *widget)
{
gchar **env;
gchar **argv;
/* split the shell command line, so arguments will work too */
argv = g_strsplit(vc->shell, " ", -1);
if (argv != NULL)
{
env = vte_get_child_environment();
pid = vf->vte_terminal_fork_command(VTE_TERMINAL(widget), argv[0], argv, env,
vte_info.dir, TRUE, TRUE, TRUE);
g_strfreev(env);
g_strfreev(argv);
}
else
pid = 0; /* use 0 as invalid pid */
clean = TRUE;
}
static void vte_restart(GtkWidget *widget)
{
vte_get_working_directory(); /* try to keep the working directory when restarting the VTE */
if (pid > 0)
{
kill(pid, SIGINT);
pid = 0;
}
vf->vte_terminal_reset(VTE_TERMINAL(widget), TRUE, TRUE);
clean = TRUE;
}
static gboolean vte_button_pressed(GtkWidget *widget, GdkEventButton *event, gpointer user_data)
{
if (event->button == 3)
{
gtk_widget_grab_focus(vc->vte);
gtk_menu_popup(GTK_MENU(vc->menu), NULL, NULL, NULL, NULL, event->button, event->time);
}
return FALSE;
}
static void vte_set_cursor_blink_mode(void)
{
if (vf->vte_terminal_set_cursor_blink_mode != NULL)
/* vte >= 0.17.1 */
vf->vte_terminal_set_cursor_blink_mode(VTE_TERMINAL(vc->vte),
(vc->cursor_blinks) ? VTE_CURSOR_BLINK_ON : VTE_CURSOR_BLINK_OFF);
else
/* vte < 0.17.1 */
vf->vte_terminal_set_cursor_blinks(VTE_TERMINAL(vc->vte), vc->cursor_blinks);
}
static gboolean vte_register_symbols(GModule *mod)
{
#define BIND_SYMBOL(field) \
g_module_symbol(mod, #field, (void*)&vf->field)
#define BIND_REQUIRED_SYMBOL(field) \
G_STMT_START { \
if (! BIND_SYMBOL(field)) \
{ \
g_critical(_("invalid VTE library \"%s\": missing symbol \"%s\""), \
g_module_name(mod), #field); \
return FALSE; \
} \
} G_STMT_END
BIND_REQUIRED_SYMBOL(vte_terminal_new);
BIND_REQUIRED_SYMBOL(vte_terminal_set_size);
BIND_REQUIRED_SYMBOL(vte_terminal_fork_command);
BIND_REQUIRED_SYMBOL(vte_terminal_set_word_chars);
BIND_REQUIRED_SYMBOL(vte_terminal_set_mouse_autohide);
BIND_REQUIRED_SYMBOL(vte_terminal_reset);
BIND_REQUIRED_SYMBOL(vte_terminal_get_type);
BIND_REQUIRED_SYMBOL(vte_terminal_set_scroll_on_output);
BIND_REQUIRED_SYMBOL(vte_terminal_set_scroll_on_keystroke);
BIND_REQUIRED_SYMBOL(vte_terminal_set_font_from_string);
BIND_REQUIRED_SYMBOL(vte_terminal_set_scrollback_lines);
BIND_REQUIRED_SYMBOL(vte_terminal_get_has_selection);
BIND_REQUIRED_SYMBOL(vte_terminal_copy_clipboard);
BIND_REQUIRED_SYMBOL(vte_terminal_paste_clipboard);
BIND_REQUIRED_SYMBOL(vte_terminal_set_emulation);
BIND_REQUIRED_SYMBOL(vte_terminal_set_color_foreground);
BIND_REQUIRED_SYMBOL(vte_terminal_set_color_bold);
BIND_REQUIRED_SYMBOL(vte_terminal_set_color_background);
BIND_REQUIRED_SYMBOL(vte_terminal_feed_child);
BIND_REQUIRED_SYMBOL(vte_terminal_im_append_menuitems);
if (! BIND_SYMBOL(vte_terminal_set_cursor_blink_mode))
/* vte_terminal_set_cursor_blink_mode() is only available since 0.17.1, so if we don't find
* this symbol, we are probably on an older version and use the old API instead */
BIND_REQUIRED_SYMBOL(vte_terminal_set_cursor_blinks);
BIND_REQUIRED_SYMBOL(vte_terminal_select_all);
BIND_REQUIRED_SYMBOL(vte_terminal_set_audible_bell);
#undef BIND_REQUIRED_SYMBOL
#undef BIND_SYMBOL
return TRUE;
}
void vte_apply_user_settings(void)
{
if (! ui_prefs.msgwindow_visible)
return;
vf->vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte), vc->scrollback_lines);
vf->vte_terminal_set_scroll_on_keystroke(VTE_TERMINAL(vc->vte), vc->scroll_on_key);
vf->vte_terminal_set_scroll_on_output(VTE_TERMINAL(vc->vte), vc->scroll_on_out);
vf->vte_terminal_set_emulation(VTE_TERMINAL(vc->vte), vc->emulation);
vf->vte_terminal_set_font_from_string(VTE_TERMINAL(vc->vte), vc->font);
vf->vte_terminal_set_color_foreground(VTE_TERMINAL(vc->vte), vc->colour_fore);
vf->vte_terminal_set_color_bold(VTE_TERMINAL(vc->vte), vc->colour_fore);
vf->vte_terminal_set_color_background(VTE_TERMINAL(vc->vte), vc->colour_back);
vf->vte_terminal_set_audible_bell(VTE_TERMINAL(vc->vte), prefs.beep_on_errors);
vte_set_cursor_blink_mode();
override_menu_key();
}
static void vte_popup_menu_clicked(GtkMenuItem *menuitem, gpointer user_data)
{
switch (GPOINTER_TO_INT(user_data))
{
case POPUP_COPY:
{
if (vf->vte_terminal_get_has_selection(VTE_TERMINAL(vc->vte)))
vf->vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte));
break;
}
case POPUP_PASTE:
{
vf->vte_terminal_paste_clipboard(VTE_TERMINAL(vc->vte));
break;
}
case POPUP_SELECTALL:
{
vte_select_all();
break;
}
case POPUP_CHANGEPATH:
{
GeanyDocument *doc = document_get_current();
if (doc != NULL)
vte_cwd(doc->file_name, TRUE);
break;
}
case POPUP_RESTARTTERMINAL:
{
vte_restart(vc->vte);
break;
}
case POPUP_PREFERENCES:
{
GtkWidget *notebook, *tab_page;
prefs_show_dialog();
notebook = ui_lookup_widget(ui_widgets.prefs_dialog, "notebook2");
tab_page = ui_lookup_widget(ui_widgets.prefs_dialog, "frame_term");
gtk_notebook_set_current_page(GTK_NOTEBOOK(notebook),
gtk_notebook_page_num(GTK_NOTEBOOK(notebook), GTK_WIDGET(tab_page)));
break;
}
}
}
static GtkWidget *vte_create_popup_menu(void)
{
GtkWidget *menu, *item;
GtkAccelGroup *accel_group;
menu = gtk_menu_new();
accel_group = gtk_accel_group_new();
gtk_window_add_accel_group(GTK_WINDOW(main_widgets.window), accel_group);
item = gtk_image_menu_item_new_from_stock(GTK_STOCK_COPY, NULL);
gtk_widget_add_accelerator(item, "activate", accel_group,
GDK_c, GDK_CONTROL_MASK | GDK_SHIFT_MASK, GTK_ACCEL_VISIBLE);
gtk_widget_show(item);
gtk_container_add(GTK_CONTAINER(menu), item);
g_signal_connect(item, "activate", G_CALLBACK(vte_popup_menu_clicked), GINT_TO_POINTER(POPUP_COPY));
item = gtk_image_menu_item_new_from_stock(GTK_STOCK_PASTE, NULL);
gtk_widget_add_accelerator(item, "activate", accel_group,
GDK_v, GDK_CONTROL_MASK | GDK_SHIFT_MASK, GTK_ACCEL_VISIBLE);
gtk_widget_show(item);
gtk_container_add(GTK_CONTAINER(menu), item);
g_signal_connect(item, "activate", G_CALLBACK(vte_popup_menu_clicked), GINT_TO_POINTER(POPUP_PASTE));
item = gtk_separator_menu_item_new();
gtk_widget_show(item);
gtk_container_add(GTK_CONTAINER(menu), item);
item = gtk_image_menu_item_new_from_stock(GTK_STOCK_SELECT_ALL, NULL);
gtk_widget_show(item);
gtk_container_add(GTK_CONTAINER(menu), item);
g_signal_connect(item, "activate", G_CALLBACK(vte_popup_menu_clicked), GINT_TO_POINTER(POPUP_SELECTALL));
item = gtk_separator_menu_item_new();
gtk_widget_show(item);
gtk_container_add(GTK_CONTAINER(menu), item);
item = gtk_image_menu_item_new_with_mnemonic(_("_Set Path From Document"));
gtk_widget_show(item);
gtk_container_add(GTK_CONTAINER(menu), item);
g_signal_connect(item, "activate", G_CALLBACK(vte_popup_menu_clicked), GINT_TO_POINTER(POPUP_CHANGEPATH));
item = gtk_image_menu_item_new_with_mnemonic(_("_Restart Terminal"));
gtk_widget_show(item);
gtk_container_add(GTK_CONTAINER(menu), item);
g_signal_connect(item, "activate", G_CALLBACK(vte_popup_menu_clicked), GINT_TO_POINTER(POPUP_RESTARTTERMINAL));
item = gtk_separator_menu_item_new();
gtk_widget_show(item);
gtk_container_add(GTK_CONTAINER(menu), item);
item = gtk_image_menu_item_new_from_stock(GTK_STOCK_PREFERENCES, NULL);
gtk_widget_show(item);
gtk_container_add(GTK_CONTAINER(menu), item);
g_signal_connect(item, "activate", G_CALLBACK(vte_popup_menu_clicked), GINT_TO_POINTER(POPUP_PREFERENCES));
msgwin_menu_add_common_items(GTK_MENU(menu));
item = gtk_separator_menu_item_new();
gtk_widget_show(item);
gtk_container_add(GTK_CONTAINER(menu), item);
/* the IM submenu should always be the last item to be consistent with other GTK popup menus */
vc->im_submenu = gtk_menu_new();
item = gtk_image_menu_item_new_with_mnemonic(_("_Input Methods"));
gtk_widget_show(item);
gtk_container_add(GTK_CONTAINER(menu), item);
gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), vc->im_submenu);
/* submenu populated after vte realized */
return menu;
}
/* If the command could be executed, TRUE is returned, FALSE otherwise (i.e. there was some text
* on the prompt). */
gboolean vte_send_cmd(const gchar *cmd)
{
if (clean)
{
vf->vte_terminal_feed_child(VTE_TERMINAL(vc->vte), cmd, strlen(cmd));
clean = TRUE; /* vte_terminal_feed_child() also marks the vte as not clean */
return TRUE;
}
else
return FALSE;
}
/* Taken from Terminal by os-cillation: terminal_screen_get_working_directory, thanks.
* Determines the working directory using various OS-specific mechanisms and stores the determined
* directory in vte_info.dir. Note: vte_info.dir contains the real path. */
const gchar *vte_get_working_directory(void)
{
gchar buffer[4096 + 1];
gchar *file;
gchar *cwd;
gint length;
if (pid > 0)
{
file = g_strdup_printf("/proc/%d/cwd", pid);
length = readlink(file, buffer, sizeof(buffer));
if (length > 0 && *buffer == '/')
{
buffer[length] = '\0';
g_free(vte_info.dir);
vte_info.dir = g_strdup(buffer);
}
else if (length == 0)
{
cwd = g_get_current_dir();
if (cwd != NULL)
{
if (chdir(file) == 0)
{
g_free(vte_info.dir);
vte_info.dir = g_get_current_dir();
if (chdir(cwd) != 0)
geany_debug("%s: %s", G_STRFUNC, g_strerror(errno));
}
g_free(cwd);
}
}
g_free(file);
}
return vte_info.dir;
}
/* Changes the current working directory of the VTE to the path of the given filename.
* filename is expected to be in UTF-8 encoding.
* filename can also be a path, then it is used directly.
* If force is set to TRUE, it will always change the cwd
*/
void vte_cwd(const gchar *filename, gboolean force)
{
if (vte_info.have_vte && (vc->follow_path || force) &&
filename != NULL && g_path_is_absolute(filename))
{
gchar *path;
if (g_file_test(filename, G_FILE_TEST_IS_DIR))
path = g_strdup(filename);
else
path = g_path_get_dirname(filename);
vte_get_working_directory(); /* refresh vte_info.dir */
if (! utils_str_equal(path, vte_info.dir))
{
/* use g_shell_quote to avoid problems with spaces, '!' or something else in path */
gchar *quoted_path = g_shell_quote(path);
gchar *cmd = g_strconcat(vc->send_cmd_prefix, "cd ", quoted_path, "\n", NULL);
if (! vte_send_cmd(cmd))
{
ui_set_statusbar(FALSE,
_("Could not change the directory in the VTE because it probably contains a command."));
geany_debug(
"Could not change the directory in the VTE because it probably contains a command.");
}
g_free(quoted_path);
g_free(cmd);
}
g_free(path);
}
}
static void vte_drag_data_received(GtkWidget *widget, GdkDragContext *drag_context,
gint x, gint y, GtkSelectionData *data, guint info, guint ltime)
{
if (info == TARGET_TEXT_PLAIN)
{
if (gtk_selection_data_get_format(data) == 8 && gtk_selection_data_get_length(data) > 0)
vf->vte_terminal_feed_child(VTE_TERMINAL(widget),
(const gchar*) gtk_selection_data_get_data(data),
gtk_selection_data_get_length(data));
}
else
{
gchar *text = (gchar*) gtk_selection_data_get_text(data);
if (NZV(text))
vf->vte_terminal_feed_child(VTE_TERMINAL(widget), text, strlen(text));
g_free(text);
}
gtk_drag_finish(drag_context, TRUE, FALSE, ltime);
}
G_MODULE_EXPORT void on_check_run_in_vte_toggled(GtkToggleButton *togglebutton, GtkWidget *user_data)
{
g_return_if_fail(GTK_IS_WIDGET(user_data));
gtk_widget_set_sensitive(user_data, gtk_toggle_button_get_active(togglebutton));
}
G_MODULE_EXPORT void on_term_font_set(GtkFontButton *widget, gpointer user_data)
{
const gchar *fontbtn = gtk_font_button_get_font_name(widget);
if (! utils_str_equal(fontbtn, vc->font))
{
SETPTR(vc->font, g_strdup(gtk_font_button_get_font_name(widget)));
vte_apply_user_settings();
}
}
G_MODULE_EXPORT void on_term_fg_color_set(GtkColorButton *widget, gpointer user_data)
{
g_free(vc->colour_fore);
vc->colour_fore = g_new0(GdkColor, 1);
gtk_color_button_get_color(widget, vc->colour_fore);
}
G_MODULE_EXPORT void on_term_bg_color_set(GtkColorButton *widget, gpointer user_data)
{
g_free(vc->colour_back);
vc->colour_back = g_new0(GdkColor, 1);
gtk_color_button_get_color(widget, vc->colour_back);
}
void vte_append_preferences_tab(void)
{
if (vte_info.have_vte)
{
GtkWidget *frame_term, *button_shell, *entry_shell;
GtkWidget *check_run_in_vte, *check_skip_script;
GtkWidget *font_button, *fg_color_button, *bg_color_button;
button_shell = GTK_WIDGET(ui_lookup_widget(ui_widgets.prefs_dialog, "button_term_shell"));
entry_shell = GTK_WIDGET(ui_lookup_widget(ui_widgets.prefs_dialog, "entry_shell"));
ui_setup_open_button_callback(button_shell, NULL,
GTK_FILE_CHOOSER_ACTION_OPEN, GTK_ENTRY(entry_shell));
check_skip_script = GTK_WIDGET(ui_lookup_widget(ui_widgets.prefs_dialog, "check_skip_script"));
gtk_widget_set_sensitive(check_skip_script, vc->run_in_vte);
check_run_in_vte = GTK_WIDGET(ui_lookup_widget(ui_widgets.prefs_dialog, "check_run_in_vte"));
g_signal_connect(G_OBJECT(check_run_in_vte), "toggled",
G_CALLBACK(on_check_run_in_vte_toggled), check_skip_script);
font_button = ui_lookup_widget(ui_widgets.prefs_dialog, "font_term");
g_signal_connect(font_button, "font-set", G_CALLBACK(on_term_font_set), NULL);
fg_color_button = ui_lookup_widget(ui_widgets.prefs_dialog, "color_fore");
g_signal_connect(fg_color_button, "color-set", G_CALLBACK(on_term_fg_color_set), NULL);
bg_color_button = ui_lookup_widget(ui_widgets.prefs_dialog, "color_back");
g_signal_connect(bg_color_button, "color-set", G_CALLBACK(on_term_bg_color_set), NULL);
frame_term = ui_lookup_widget(ui_widgets.prefs_dialog, "frame_term");
gtk_widget_show_all(frame_term);
}
}
void vte_select_all(void)
{
if (vf->vte_terminal_select_all != NULL)
vf->vte_terminal_select_all(VTE_TERMINAL(vc->vte));
}
void vte_send_selection_to_vte(void)
{
GeanyDocument *doc;
gchar *text;
gsize len;
doc = document_get_current();
g_return_if_fail(doc != NULL);
if (sci_has_selection(doc->editor->sci))
{
text = g_malloc0(sci_get_selected_text_length(doc->editor->sci) + 1);
sci_get_selected_text(doc->editor->sci, text);
}
else
{ /* Get the current line */
gint line_num = sci_get_current_line(doc->editor->sci);
text = sci_get_line(doc->editor->sci, line_num);
}
len = strlen(text);
if (vc->send_selection_unsafe)
{ /* Explicitly append a trailing newline character to get the command executed,
this is disabled by default as it could cause all sorts of damage. */
if (text[len-1] != '\n' && text[len-1] != '\r')
{
SETPTR(text, g_strconcat(text, "\n", NULL));
len++;
}
}
else
{ /* Make sure there is no newline character at the end to prevent unwanted execution */
while (text[len-1] == '\n' || text[len-1] == '\r')
{
text[len-1] = '\0';
len--;
}
}
vf->vte_terminal_feed_child(VTE_TERMINAL(vc->vte), text, len);
/* show the VTE */
gtk_notebook_set_current_page(GTK_NOTEBOOK(msgwindow.notebook), MSG_VTE);
gtk_widget_grab_focus(vc->vte);
msgwin_show_hide(TRUE);
g_free(text);
}
#endif
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