/* Run a glib GMainLoop which intercepts key and mouse button events from
| the top level loop. When a mouse or key is hit in the Output drawing
| area, quit the loop so the top level loop can continue and use the
| the mouse pointer coordinates at the time of the mouse button event.
*/
static gboolean
run_get_location_loop (const gchar * message)
{
GMainLoop *loop;
gulong button_handler, key_handler;
gint oldObjState, oldLineState, oldBoxState;
ghid_status_line_set_text (message);
oldObjState = Crosshair.AttachedObject.State;
oldLineState = Crosshair.AttachedLine.State;
oldBoxState = Crosshair.AttachedBox.State;
HideCrosshair (true);
Crosshair.AttachedObject.State = STATE_FIRST;
Crosshair.AttachedLine.State = STATE_FIRST;
Crosshair.AttachedBox.State = STATE_FIRST;
ghid_hand_cursor ();
RestoreCrosshair (true);
/* Stop the top level GMainLoop from getting user input from keyboard
| and mouse so we can install our own handlers here. Also set the
| control interface insensitive so all the user can do is hit a key
| or mouse button in the Output drawing area.
*/
ghid_interface_input_signals_disconnect ();
ghid_interface_set_sensitive (FALSE);
got_location = TRUE; /* Will be unset by hitting most keys */
button_handler =
g_signal_connect (G_OBJECT (gport->drawing_area),
"button_press_event",
G_CALLBACK (loop_button_press_cb), &loop);
key_handler =
g_signal_connect (G_OBJECT (gport->top_window),
"key_press_event",
G_CALLBACK (loop_key_press_cb), &loop);
loop = g_main_loop_new (NULL, FALSE);
g_main_loop_run (loop);
g_main_loop_unref (loop);
g_signal_handler_disconnect (gport->drawing_area, button_handler);
g_signal_handler_disconnect (gport->top_window, key_handler);
ghid_interface_input_signals_connect (); /* return to normal */
ghid_interface_set_sensitive (TRUE);
HideCrosshair (true);
Crosshair.AttachedObject.State = oldObjState;
Crosshair.AttachedLine.State = oldLineState;
Crosshair.AttachedBox.State = oldBoxState;
RestoreCrosshair (true);
ghid_restore_cursor ();
ghid_set_status_line_label ();
return got_location;
}
/* Run a glib GMainLoop which intercepts key and mouse button events from
| the top level loop. When a mouse or key is hit in the Output drawing
| area, quit the loop so the top level loop can continue and use the
| the mouse pointer coordinates at the time of the mouse button event.
*/
static gboolean
run_get_location_loop (const gchar * message)
{
GMainLoop *loop;
gulong button_handler, key_handler;
gint oldObjState, oldLineState, oldBoxState;
/* Make the text cue bold so it hides less and looks like command prompt */
GString *bold_message = g_string_new (message);
g_string_prepend (bold_message, "<b>");
g_string_append (bold_message, "</b>");
ghid_status_line_set_text (bold_message->str);
g_string_free (bold_message, TRUE);
oldObjState = Crosshair.AttachedObject.State;
oldLineState = Crosshair.AttachedLine.State;
oldBoxState = Crosshair.AttachedBox.State;
notify_crosshair_change (false);
Crosshair.AttachedObject.State = STATE_FIRST;
Crosshair.AttachedLine.State = STATE_FIRST;
Crosshair.AttachedBox.State = STATE_FIRST;
ghid_hand_cursor ();
notify_crosshair_change (true);
/* Stop the top level GMainLoop from getting user input from keyboard
| and mouse so we can install our own handlers here. Also set the
| control interface insensitive so all the user can do is hit a key
| or mouse button in the Output drawing area.
*/
ghid_interface_input_signals_disconnect ();
ghid_interface_set_sensitive (FALSE);
got_location = TRUE; /* Will be unset by hitting most keys */
button_handler =
g_signal_connect (G_OBJECT (gport->drawing_area),
"button_press_event",
G_CALLBACK (loop_button_press_cb), &loop);
key_handler =
g_signal_connect (G_OBJECT (gport->top_window),
"key_press_event",
G_CALLBACK (loop_key_press_cb), &loop);
loop = g_main_loop_new (NULL, FALSE);
GDK_THREADS_LEAVE ();
g_main_loop_run (loop);
GDK_THREADS_ENTER ();
g_main_loop_unref (loop);
g_signal_handler_disconnect (gport->drawing_area, button_handler);
g_signal_handler_disconnect (gport->top_window, key_handler);
ghid_interface_input_signals_connect (); /* return to normal */
ghid_interface_set_sensitive (TRUE);
notify_crosshair_change (false);
Crosshair.AttachedObject.State = oldObjState;
Crosshair.AttachedLine.State = oldLineState;
Crosshair.AttachedBox.State = oldBoxState;
notify_crosshair_change (true);
ghid_restore_cursor ();
ghid_set_status_line_label ();
return got_location;
}
/* This is the command entry function called from ActionCommand() when
| ghidgui->use_command_window is FALSE. The command_combo_box is already
| packed into the status line label hbox in this case.
*/
gchar *
ghid_command_entry_get (gchar * prompt, gchar * command)
{
gchar *s;
gint escape_sig_id;
GHidPort *out = &ghid_port;
/* If this is the first user command entry, we have to create the
| command_combo_box and pack it into the status_line_hbox.
*/
if (!ghidgui->command_combo_box)
{
command_combo_box_entry_create ();
gtk_box_pack_start (GTK_BOX (ghidgui->status_line_hbox),
ghidgui->command_combo_box, FALSE, FALSE, 0);
}
/* Make the prompt bold and set the label before showing the combo to
| avoid window resizing wider.
*/
s = g_strdup_printf ("<b>%s</b>", prompt ? prompt : "");
ghid_status_line_set_text (s);
g_free (s);
/* Flag so output drawing area won't try to get focus away from us and
| so resetting the status line label can be blocked when resize
| callbacks are invokded from the resize caused by showing the combo box.
*/
ghidgui->command_entry_status_line_active = TRUE;
gtk_entry_set_text (ghidgui->command_entry, command ? command : "");
gtk_widget_show_all (ghidgui->command_combo_box);
/* Remove the top window accel group so keys intended for the entry
| don't get intercepted by the menu system. Set the interface
| insensitive so all the user can do is enter a command, grab focus
| and connect a handler to look for the escape key.
*/
ghid_remove_accel_groups (GTK_WINDOW (gport->top_window), ghidgui);
ghid_interface_input_signals_disconnect ();
ghid_interface_set_sensitive (FALSE);
gtk_widget_grab_focus (GTK_WIDGET (ghidgui->command_entry));
escape_sig_id = g_signal_connect (G_OBJECT (ghidgui->command_entry),
"key_press_event",
G_CALLBACK (command_escape_cb), NULL);
loop = g_main_loop_new (NULL, FALSE);
g_main_loop_run (loop);
g_main_loop_unref (loop);
loop = NULL;
ghidgui->command_entry_status_line_active = FALSE;
/* Restore the damage we did before entering the loop.
*/
g_signal_handler_disconnect (ghidgui->command_entry, escape_sig_id);
ghid_interface_input_signals_connect ();
ghid_interface_set_sensitive (TRUE);
ghid_install_accel_groups (GTK_WINDOW (gport->top_window), ghidgui);
/* Restore the status line label and give focus back to the drawing area
*/
gtk_widget_hide (ghidgui->command_combo_box);
gtk_widget_grab_focus (out->drawing_area);
return command_entered;
}
