2 Copyright (C) 2001 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include "pbd/gstdio_compat.h"
28 #include <gtkmm/widget.h>
29 #include <gtkmm/window.h>
30 #include <gtkmm/accelmap.h>
31 #include <gdk/gdkkeysyms.h>
33 #include "pbd/error.h"
34 #include "pbd/convert.h"
35 #include "pbd/file_utils.h"
36 #include "pbd/search_path.h"
37 #include "pbd/xml++.h"
38 #include "pbd/debug.h"
39 #include "pbd/unwind.h"
41 #include "gtkmm2ext/actions.h"
42 #include "gtkmm2ext/bindings.h"
43 #include "gtkmm2ext/keyboard.h"
44 #include "gtkmm2ext/debug.h"
50 using namespace Gtkmm2ext;
53 guint Keyboard::edit_but = 3;
54 guint Keyboard::edit_mod = GDK_CONTROL_MASK;
55 guint Keyboard::delete_but = 3;
56 guint Keyboard::delete_mod = GDK_SHIFT_MASK;
57 guint Keyboard::insert_note_but = 1;
58 guint Keyboard::insert_note_mod = GDK_CONTROL_MASK;
62 uint Keyboard::PrimaryModifier = GDK_MOD2_MASK; // Command
63 guint Keyboard::SecondaryModifier = GDK_CONTROL_MASK; // Control
64 guint Keyboard::TertiaryModifier = GDK_SHIFT_MASK; // Shift
65 guint Keyboard::Level4Modifier = GDK_MOD1_MASK; // Alt/Option
66 guint Keyboard::CopyModifier = GDK_CONTROL_MASK; // Control
67 guint Keyboard::RangeSelectModifier = GDK_SHIFT_MASK;
68 guint Keyboard::button2_modifiers = Keyboard::SecondaryModifier|Keyboard::Level4Modifier;
70 const char* Keyboard::primary_modifier_name() { return _("Command"); }
71 const char* Keyboard::secondary_modifier_name() { return _("Control"); }
72 const char* Keyboard::tertiary_modifier_name() { return S_("Key|Shift"); }
73 const char* Keyboard::level4_modifier_name() { return _("Option"); }
75 guint Keyboard::snap_mod = Keyboard::Level4Modifier|Keyboard::TertiaryModifier; // XXX this is probably completely wrong
76 guint Keyboard::snap_delta_mod = Keyboard::Level4Modifier;
80 guint Keyboard::PrimaryModifier = GDK_CONTROL_MASK; // Control
81 guint Keyboard::SecondaryModifier = GDK_MOD1_MASK; // Alt/Option
82 guint Keyboard::TertiaryModifier = GDK_SHIFT_MASK; // Shift
83 guint Keyboard::Level4Modifier = GDK_MOD4_MASK; // Mod4/Windows
84 guint Keyboard::CopyModifier = GDK_CONTROL_MASK;
85 guint Keyboard::RangeSelectModifier = GDK_SHIFT_MASK;
86 guint Keyboard::button2_modifiers = 0; /* not used */
88 const char* Keyboard::primary_modifier_name() { return _("Control"); }
89 const char* Keyboard::secondary_modifier_name() { return _("Alt"); }
90 const char* Keyboard::tertiary_modifier_name() { return S_("Key|Shift"); }
91 const char* Keyboard::level4_modifier_name() { return _("Windows"); }
93 guint Keyboard::snap_mod = Keyboard::SecondaryModifier;
94 guint Keyboard::snap_delta_mod = Keyboard::SecondaryModifier|Keyboard::Level4Modifier;
98 guint Keyboard::GainFineScaleModifier = Keyboard::PrimaryModifier;
99 guint Keyboard::GainExtraFineScaleModifier = Keyboard::SecondaryModifier;
101 guint Keyboard::ScrollZoomVerticalModifier = Keyboard::SecondaryModifier;
102 guint Keyboard::ScrollZoomHorizontalModifier = Keyboard::PrimaryModifier;
103 guint Keyboard::ScrollHorizontalModifier = Keyboard::TertiaryModifier;
105 Keyboard* Keyboard::_the_keyboard = 0;
106 Gtk::Window* Keyboard::current_window = 0;
107 bool Keyboard::_some_magic_widget_has_focus = false;
109 std::string Keyboard::user_keybindings_path;
110 bool Keyboard::can_save_keybindings = false;
111 bool Keyboard::bindings_changed_after_save_became_legal = false;
112 map<string,string> Keyboard::binding_files;
113 string Keyboard::_current_binding_name;
114 Gtk::Window* Keyboard::pre_dialog_active_window = 0;
115 PBD::Signal0<void> Keyboard::BindingsChanged;
117 /* set this to initially contain the modifiers we care about, then track changes in ::set_edit_modifier() etc. */
118 GdkModifierType Keyboard::RelevantModifierKeyMask;
121 Keyboard::magic_widget_grab_focus ()
123 _some_magic_widget_has_focus = true;
127 Keyboard::magic_widget_drop_focus ()
129 _some_magic_widget_has_focus = false;
133 Keyboard::some_magic_widget_has_focus ()
135 return _some_magic_widget_has_focus;
138 Keyboard::Keyboard ()
140 if (_the_keyboard == 0) {
141 _the_keyboard = this;
142 _current_binding_name = _("Unknown");
145 RelevantModifierKeyMask = (GdkModifierType) gtk_accelerator_get_default_mod_mask ();
147 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | PrimaryModifier);
148 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | SecondaryModifier);
149 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | TertiaryModifier);
150 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | Level4Modifier);
151 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | CopyModifier);
152 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | RangeSelectModifier);
154 gtk_accelerator_set_default_mod_mask (RelevantModifierKeyMask);
157 /* Remove SUPER,HYPER,META.
159 * GTK on OS X adds META when Command is pressed for various indefensible reasons, since
160 * it also uses MOD2 to indicate Command. Our code assumes that each
161 * modifier (Primary, Secondary etc.) is represented by a single bit in
162 * the modifier mask, but GTK's (STUPID) design uses two (MOD2 + META)
163 * to represent the Command key. Some discussion about this is here:
164 * https://bugzilla.gnome.org/show_bug.cgi?id=692597
166 * We cannot do this until AFTER we told GTK what the default modifier
167 * was, because otherwise it will fail to recognize MOD2-META-<key> as
170 * Note that in the tabbed branch, we no longer use GTK accelerators
171 * for functional purposes, so this is as critical for that branch.
174 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~GDK_SUPER_MASK);
175 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~GDK_HYPER_MASK);
176 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~GDK_META_MASK);
179 snooper_id = gtk_key_snooper_install (_snooper, (gpointer) this);
182 Keyboard::~Keyboard ()
184 gtk_key_snooper_remove (snooper_id);
188 Keyboard::get_state (void)
190 XMLNode* node = new XMLNode ("Keyboard");
193 snprintf (buf, sizeof (buf), "%d", CopyModifier);
194 node->add_property ("copy-modifier", buf);
195 snprintf (buf, sizeof (buf), "%d", edit_but);
196 node->add_property ("edit-button", buf);
197 snprintf (buf, sizeof (buf), "%d", edit_mod);
198 node->add_property ("edit-modifier", buf);
199 snprintf (buf, sizeof (buf), "%d", delete_but);
200 node->add_property ("delete-button", buf);
201 snprintf (buf, sizeof (buf), "%d", delete_mod);
202 node->add_property ("delete-modifier", buf);
203 snprintf (buf, sizeof (buf), "%d", snap_mod);
204 node->add_property ("snap-modifier", buf);
205 snprintf (buf, sizeof (buf), "%d", snap_delta_mod);
206 node->add_property ("snap-delta-modifier", buf);
207 snprintf (buf, sizeof (buf), "%d", insert_note_but);
208 node->add_property ("insert-note-button", buf);
209 snprintf (buf, sizeof (buf), "%d", insert_note_mod);
210 node->add_property ("insert-note-modifier", buf);
216 Keyboard::set_state (const XMLNode& node, int /*version*/)
218 const XMLProperty* prop;
220 if ((prop = node.property ("copy-modifier")) != 0) {
221 sscanf (prop->value().c_str(), "%d", &CopyModifier);
224 if ((prop = node.property ("edit-button")) != 0) {
225 sscanf (prop->value().c_str(), "%d", &edit_but);
228 if ((prop = node.property ("edit-modifier")) != 0) {
229 sscanf (prop->value().c_str(), "%d", &edit_mod);
232 if ((prop = node.property ("delete-button")) != 0) {
233 sscanf (prop->value().c_str(), "%d", &delete_but);
236 if ((prop = node.property ("delete-modifier")) != 0) {
237 sscanf (prop->value().c_str(), "%d", &delete_mod);
240 if ((prop = node.property ("snap-modifier")) != 0) {
241 sscanf (prop->value().c_str(), "%d", &snap_mod);
244 if ((prop = node.property ("snap-delta-modifier")) != 0) {
245 sscanf (prop->value().c_str(), "%d", &snap_delta_mod);
248 if ((prop = node.property ("insert-note-button")) != 0) {
249 sscanf (prop->value().c_str(), "%d", &insert_note_but);
252 if ((prop = node.property ("insert-note-modifier")) != 0) {
253 sscanf (prop->value().c_str(), "%d", &insert_note_mod);
260 Keyboard::_snooper (GtkWidget *widget, GdkEventKey *event, gpointer data)
262 return ((Keyboard *) data)->snooper (widget, event);
266 show_gdk_event_state (int state)
269 if (state & GDK_SHIFT_MASK) {
272 if (state & GDK_LOCK_MASK) {
275 if (state & GDK_CONTROL_MASK) {
278 if (state & GDK_MOD1_MASK) {
281 if (state & GDK_MOD2_MASK) {
284 if (state & GDK_MOD3_MASK) {
287 if (state & GDK_MOD4_MASK) {
290 if (state & GDK_MOD5_MASK) {
293 if (state & GDK_BUTTON1_MASK) {
296 if (state & GDK_BUTTON2_MASK) {
299 if (state & GDK_BUTTON3_MASK) {
302 if (state & GDK_BUTTON4_MASK) {
305 if (state & GDK_BUTTON5_MASK) {
308 if (state & GDK_SUPER_MASK) {
311 if (state & GDK_HYPER_MASK) {
314 if (state & GDK_META_MASK) {
317 if (state & GDK_RELEASE_MASK) {
325 Keyboard::snooper (GtkWidget *widget, GdkEventKey *event)
333 "Snoop widget %1 name: [%6] key %2 [%8] type %3 state %4 [%7] magic %5\n",
334 widget, event->keyval, event->type, event->state, _some_magic_widget_has_focus,
335 gtk_widget_get_name (widget), show_gdk_event_state (event->state), gdk_keyval_name (event->keyval)
339 if (event->keyval == GDK_Shift_R) {
340 keyval = GDK_Shift_L;
342 } else if (event->keyval == GDK_Control_R) {
343 keyval = GDK_Control_L;
346 keyval = event->keyval;
349 if (event->state & ScrollZoomVerticalModifier) {
350 /* There is a special and rather hacky situation in Editor which makes
351 it useful to know when the modifier key for vertical zoom has been
352 released, so emit a signal here (see Editor::_stepping_axis_view).
353 Note that the state bit for the modifier key is set for the key-up
354 event when the modifier is released, but not the key-down when it
355 is pressed, so we get here on key-up, which is what we want.
357 ZoomVerticalModifierReleased (); /* EMIT SIGNAL */
360 if (event->type == GDK_KEY_PRESS) {
362 if (find (state.begin(), state.end(), keyval) == state.end()) {
363 state.push_back (keyval);
364 sort (state.begin(), state.end());
368 /* key is already down. if its also used for release,
369 prevent auto-repeat events.
373 /* August 2015: we don't have any release bindings
376 for (map<AccelKey,two_strings,AccelKeyLess>::iterator k = release_keys.begin(); k != release_keys.end(); ++k) {
378 const AccelKey& ak (k->first);
380 if (keyval == ak.get_key() && (Gdk::ModifierType)((event->state & Keyboard::RelevantModifierKeyMask) | Gdk::RELEASE_MASK) == ak.get_mod()) {
381 DEBUG_TRACE (DEBUG::Keyboard, "Suppress auto repeat\n");
390 /* Special keys that we want to handle in
391 any dialog, no matter whether it uses
392 the regular set of accelerators or not
395 if (event->type == GDK_KEY_RELEASE && modifier_state_equals (event->state, PrimaryModifier)) {
396 switch (event->keyval) {
398 close_current_dialog ();
404 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("snooper returns %1\n", ret));
410 Keyboard::close_current_dialog ()
412 if (current_window) {
413 current_window->hide ();
416 if (pre_dialog_active_window) {
417 pre_dialog_active_window->present ();
418 pre_dialog_active_window = 0;
424 Keyboard::catch_user_event_for_pre_dialog_focus (GdkEvent* ev, Gtk::Window* w)
427 case GDK_BUTTON_PRESS:
428 case GDK_BUTTON_RELEASE:
430 case GDK_KEY_RELEASE:
431 pre_dialog_active_window = w;
434 case GDK_FOCUS_CHANGE:
435 if (ev->focus_change.in) {
436 pre_dialog_active_window = w;
447 Keyboard::key_is_down (uint32_t keyval)
449 return find (state.begin(), state.end(), keyval) != state.end();
453 Keyboard::enter_window (GdkEventCrossing *, Gtk::Window* win)
455 current_window = win;
456 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Entering window, title = %1\n", win->get_title()));
461 Keyboard::leave_window (GdkEventCrossing *ev, Gtk::Window* /*win*/)
464 switch (ev->detail) {
465 case GDK_NOTIFY_INFERIOR:
466 DEBUG_TRACE (DEBUG::Keyboard, "INFERIOR crossing ... out\n");
469 case GDK_NOTIFY_VIRTUAL:
470 DEBUG_TRACE (DEBUG::Keyboard, "VIRTUAL crossing ... out\n");
474 DEBUG_TRACE (DEBUG::Keyboard, "REAL crossing ... out\n");
475 DEBUG_TRACE (DEBUG::Keyboard, "Clearing current target\n");
487 Keyboard::focus_in_window (GdkEventFocus *, Gtk::Window* win)
489 current_window = win;
490 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Focusing in window, title = %1\n", win->get_title()));
495 Keyboard::focus_out_window (GdkEventFocus * ev, Gtk::Window* win)
504 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Foucusing out window, title = %1\n", win->get_title()));
510 Keyboard::set_edit_button (guint but)
516 Keyboard::set_edit_modifier (guint mod)
518 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~edit_mod);
520 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | edit_mod);
524 Keyboard::set_delete_button (guint but)
530 Keyboard::set_delete_modifier (guint mod)
532 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~delete_mod);
534 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | delete_mod);
538 Keyboard::set_insert_note_button (guint but)
540 insert_note_but = but;
544 Keyboard::set_insert_note_modifier (guint mod)
546 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~insert_note_mod);
547 insert_note_mod = mod;
548 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | insert_note_mod);
553 Keyboard::set_modifier (uint32_t newval, uint32_t& var)
555 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~var);
557 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | var);
561 Keyboard::set_snap_modifier (guint mod)
563 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~snap_mod);
565 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | snap_mod);
569 Keyboard::set_snap_delta_modifier (guint mod)
571 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~snap_delta_mod);
572 snap_delta_mod = mod;
573 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | snap_delta_mod);
577 Keyboard::is_edit_event (GdkEventButton *ev)
579 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
580 (ev->button == Keyboard::edit_button()) &&
581 ((ev->state & RelevantModifierKeyMask) == Keyboard::edit_modifier());
585 Keyboard::is_insert_note_event (GdkEventButton *ev)
587 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
588 (ev->button == Keyboard::insert_note_button()) &&
589 ((ev->state & RelevantModifierKeyMask) == Keyboard::insert_note_modifier());
593 Keyboard::is_button2_event (GdkEventButton* ev)
596 return (ev->button == 2) ||
597 ((ev->button == 1) &&
598 ((ev->state & Keyboard::button2_modifiers) == Keyboard::button2_modifiers));
600 return ev->button == 2;
605 Keyboard::is_delete_event (GdkEventButton *ev)
607 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
608 (ev->button == Keyboard::delete_button()) &&
609 ((ev->state & RelevantModifierKeyMask) == Keyboard::delete_modifier());
613 Keyboard::is_context_menu_event (GdkEventButton *ev)
615 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
617 ((ev->state & RelevantModifierKeyMask) == 0);
621 Keyboard::no_modifiers_active (guint state)
623 return (state & RelevantModifierKeyMask) == 0;
627 Keyboard::modifier_state_contains (guint state, ModifierMask mask)
629 return (state & mask) == (guint) mask;
633 Keyboard::modifier_state_equals (guint state, ModifierMask mask)
635 return (state & RelevantModifierKeyMask) == (guint) mask;
639 Keyboard::keybindings_changed ()
641 if (Keyboard::can_save_keybindings) {
642 Keyboard::bindings_changed_after_save_became_legal = true;
645 Keyboard::save_keybindings ();
646 BindingsChanged (); /* EMIT SIGNAL */
650 Keyboard::set_can_save_keybindings (bool yn)
652 can_save_keybindings = yn;
656 Keyboard::save_keybindings ()
658 if (can_save_keybindings && bindings_changed_after_save_became_legal) {
659 /* Call to specific implementation to save bindings to path */
660 store_keybindings (user_keybindings_path);
665 Keyboard::load_keybindings (string const & path)
668 info << "Loading bindings from " << path << endl;
670 /* Call to specific implementation to load bindings from path */
671 read_keybindings (path);
673 _current_binding_name = _("Unknown");
675 for (map<string,string>::iterator x = binding_files.begin(); x != binding_files.end(); ++x) {
676 if (path == x->second) {
677 _current_binding_name = x->first;
684 error << string_compose (_("key bindings file not found at \"%2\" or contains errors."), path)
693 Keyboard::read_keybindings (string const & path)
697 if (!tree.read (path.c_str())) {
701 /* toplevel node is "BindingSet; children are "Bindings" */
703 XMLNodeList const& children = tree.root()->children();
705 for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
706 if ((*i)->name() == X_("Bindings")) {
707 XMLProperty const* name = (*i)->property (X_("name"));
709 warning << _("Keyboard binding found without a name") << endmsg;
713 Bindings* b = new Bindings (name->value());
722 Keyboard::store_keybindings (string const & path)
724 XMLNode* node = new XMLNode (X_("BindingSet"));
728 for (list<Bindings*>::const_iterator b = Bindings::bindings.begin(); b != Bindings::bindings.end(); ++b) {
729 bnode = new XMLNode (X_("Bindings"));
730 bnode->add_property (X_("name"), (*b)->name());
732 node->add_child_nocopy (*bnode);
736 tree.set_root (node); /* tree now owns root and will delete it */
738 if (!tree.write (path)) {
739 error << string_compose (_("Cannot save key bindings to %1"), path) << endmsg;
747 Keyboard::reset_bindings ()
749 if (Glib::file_test (user_keybindings_path, Glib::FILE_TEST_EXISTS)) {
751 string new_path = user_keybindings_path;
754 if (::g_rename (user_keybindings_path.c_str(), new_path.c_str())) {
755 error << string_compose (_("Cannot rename your own keybinding file (%1)"), strerror (errno)) << endmsg;
761 PBD::Unwinder<bool> uw (can_save_keybindings, false);
762 setup_keybindings ();
763 Bindings::associate_all ();