diff options
Diffstat (limited to 'src/interface-gtk/interface.c')
| -rw-r--r-- | src/interface-gtk/interface.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/interface-gtk/interface.c b/src/interface-gtk/interface.c index 544ff22..ae1dd74 100644 --- a/src/interface-gtk/interface.c +++ b/src/interface-gtk/interface.c @@ -75,6 +75,7 @@ static void teco_interface_popup_clicked_cb(GtkWidget *popup, gchar *str, gulong static gboolean teco_interface_window_delete_cb(GtkWidget *widget, GdkEventAny *event, gpointer user_data); static gboolean teco_interface_sigterm_handler(gpointer user_data) G_GNUC_UNUSED; +static gchar teco_interface_get_ansi_key(GdkEventKey *event); /** * Interval between polling for keypresses. @@ -423,6 +424,103 @@ teco_interface_msg_clear(void) teco_gtk_label_set_text(TECO_GTK_LABEL(teco_interface.message_widget), "", 0); } +static void +teco_interface_getch_commit_cb(GtkIMContext *context, gchar *str, gpointer user_data) +{ + teco_int_t *cp = user_data; + + /* + * FIXME: What if str contains several characters? + */ + *cp = g_utf8_get_char_validated(str, -1); + g_assert(*cp >= 0); + gtk_main_quit(); +} + +/* + * FIXME: Redundancies with teco_interface_handle_keypress() + * FIXME: Report function keys + */ +static gboolean +teco_interface_getch_input_cb(GtkWidget *widget, GdkEvent *event, gpointer user_data) +{ + teco_int_t *cp = user_data; + + g_assert(event->type == GDK_KEY_PRESS); + + switch (event->key.keyval) { + case GDK_KEY_Escape: *cp = '\e'; break; + case GDK_KEY_BackSpace: *cp = TECO_CTL_KEY('H'); break; + case GDK_KEY_Tab: *cp = '\t'; break; + case GDK_KEY_Return: *cp = '\n'; break; + default: + /* + * NOTE: Alt-Gr key-combinations are sometimes reported as + * Ctrl+Alt, so we filter those out. + */ + if ((event->key.state & (GDK_CONTROL_MASK | GDK_MOD1_MASK)) == GDK_CONTROL_MASK && + (*cp = teco_interface_get_ansi_key(&event->key))) { + *cp = TECO_CTL_KEY(g_ascii_toupper(*cp)); + switch (*cp) { + case TECO_CTL_KEY('C'): + teco_interrupted = TRUE; + /* fall through */ + case TECO_CTL_KEY('D'): + *cp = -1; + } + break; + } + + gtk_im_context_filter_keypress(teco_interface.input_method, &event->key); + return TRUE; + } + + gtk_main_quit(); + return TRUE; +} + +teco_int_t +teco_interface_getch(gboolean widechar) +{ + if (!gtk_main_level()) + /* batch mode */ + return teco_interface_stdio_getch(widechar); + + teco_int_t cp = -1; + gulong key_handler, commit_handler; + + /* temporarily replace the "key-press-event" and "commit" handlers */ + g_signal_handlers_block_by_func(teco_interface.window, + teco_interface_input_cb, NULL); + key_handler = g_signal_connect(teco_interface.window, "key-press-event", + G_CALLBACK(teco_interface_getch_input_cb), &cp); + g_signal_handlers_block_by_func(teco_interface.input_method, + teco_interface_cmdline_commit_cb, NULL); + commit_handler = g_signal_connect(teco_interface.input_method, "commit", + G_CALLBACK(teco_interface_getch_commit_cb), &cp); + + /* + * Highlights the first character in the label. + * This mimics what the Curses UI does. + * Is there a better way to signal that we expect input? + */ + teco_gtk_label_highlight_getch(TECO_GTK_LABEL(teco_interface.message_widget)); + + GdkWindow *top_window = gdk_window_get_toplevel(gtk_widget_get_window(teco_interface.window)); + gdk_window_thaw_updates(top_window); + + gtk_main(); + + gdk_window_freeze_updates(top_window); + + g_signal_handler_disconnect(teco_interface.input_method, commit_handler); + g_signal_handlers_unblock_by_func(teco_interface.input_method, teco_interface_cmdline_commit_cb, NULL); + g_signal_handler_disconnect(teco_interface.window, key_handler); + g_signal_handlers_unblock_by_func(teco_interface.window, teco_interface_input_cb, NULL); + + return cp; +} + void teco_interface_show_view(teco_view_t *view) { |