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_META_MASK|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 string Keyboard::binding_filename_suffix = X_(".keys");
116 /* set this to initially contain the modifiers we care about, then track changes in ::set_edit_modifier() etc. */
117 GdkModifierType Keyboard::RelevantModifierKeyMask;
120 Keyboard::magic_widget_grab_focus ()
122 _some_magic_widget_has_focus = true;
126 Keyboard::magic_widget_drop_focus ()
128 _some_magic_widget_has_focus = false;
132 Keyboard::some_magic_widget_has_focus ()
134 return _some_magic_widget_has_focus;
137 Keyboard::Keyboard ()
139 if (_the_keyboard == 0) {
140 _the_keyboard = this;
141 _current_binding_name = _("Unknown");
144 RelevantModifierKeyMask = (GdkModifierType) gtk_accelerator_get_default_mod_mask ();
146 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | PrimaryModifier);
147 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | SecondaryModifier);
148 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | TertiaryModifier);
149 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | Level4Modifier);
150 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | CopyModifier);
151 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | RangeSelectModifier);
153 gtk_accelerator_set_default_mod_mask (RelevantModifierKeyMask);
156 /* Remove SUPER,HYPER,META.
158 * GTK on OS X adds META when Command is pressed for various indefensible reasons, since
159 * it also uses MOD2 to indicate Command. Our code assumes that each
160 * modifier (Primary, Secondary etc.) is represented by a single bit in
161 * the modifier mask, but GTK's (STUPID) design uses two (MOD2 + META)
162 * to represent the Command key. Some discussion about this is here:
163 * https://bugzilla.gnome.org/show_bug.cgi?id=692597
165 * We cannot do this until AFTER we told GTK what the default modifier
166 * was, because otherwise it will fail to recognize MOD2-META-<key> as
169 * Note that in the tabbed branch, we no longer use GTK accelerators
170 * for functional purposes, so this is as critical for that branch.
173 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~GDK_SUPER_MASK);
174 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~GDK_HYPER_MASK);
175 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~GDK_META_MASK);
178 snooper_id = gtk_key_snooper_install (_snooper, (gpointer) this);
181 Keyboard::~Keyboard ()
183 gtk_key_snooper_remove (snooper_id);
187 Keyboard::get_state (void)
189 XMLNode* node = new XMLNode ("Keyboard");
192 snprintf (buf, sizeof (buf), "%d", CopyModifier);
193 node->add_property ("copy-modifier", buf);
194 snprintf (buf, sizeof (buf), "%d", edit_but);
195 node->add_property ("edit-button", buf);
196 snprintf (buf, sizeof (buf), "%d", edit_mod);
197 node->add_property ("edit-modifier", buf);
198 snprintf (buf, sizeof (buf), "%d", delete_but);
199 node->add_property ("delete-button", buf);
200 snprintf (buf, sizeof (buf), "%d", delete_mod);
201 node->add_property ("delete-modifier", buf);
202 snprintf (buf, sizeof (buf), "%d", snap_mod);
203 node->add_property ("snap-modifier", buf);
204 snprintf (buf, sizeof (buf), "%d", snap_delta_mod);
205 node->add_property ("snap-delta-modifier", buf);
206 snprintf (buf, sizeof (buf), "%d", insert_note_but);
207 node->add_property ("insert-note-button", buf);
208 snprintf (buf, sizeof (buf), "%d", insert_note_mod);
209 node->add_property ("insert-note-modifier", buf);
215 Keyboard::set_state (const XMLNode& node, int /*version*/)
217 const XMLProperty* prop;
219 if ((prop = node.property ("copy-modifier")) != 0) {
220 sscanf (prop->value().c_str(), "%d", &CopyModifier);
223 if ((prop = node.property ("edit-button")) != 0) {
224 sscanf (prop->value().c_str(), "%d", &edit_but);
227 if ((prop = node.property ("edit-modifier")) != 0) {
228 sscanf (prop->value().c_str(), "%d", &edit_mod);
231 if ((prop = node.property ("delete-button")) != 0) {
232 sscanf (prop->value().c_str(), "%d", &delete_but);
235 if ((prop = node.property ("delete-modifier")) != 0) {
236 sscanf (prop->value().c_str(), "%d", &delete_mod);
239 if ((prop = node.property ("snap-modifier")) != 0) {
240 sscanf (prop->value().c_str(), "%d", &snap_mod);
243 if ((prop = node.property ("snap-delta-modifier")) != 0) {
244 sscanf (prop->value().c_str(), "%d", &snap_delta_mod);
247 if ((prop = node.property ("insert-note-button")) != 0) {
248 sscanf (prop->value().c_str(), "%d", &insert_note_but);
251 if ((prop = node.property ("insert-note-modifier")) != 0) {
252 sscanf (prop->value().c_str(), "%d", &insert_note_mod);
259 Keyboard::_snooper (GtkWidget *widget, GdkEventKey *event, gpointer data)
261 return ((Keyboard *) data)->snooper (widget, event);
265 show_gdk_event_state (int state)
268 if (state & GDK_SHIFT_MASK) {
271 if (state & GDK_LOCK_MASK) {
274 if (state & GDK_CONTROL_MASK) {
277 if (state & GDK_MOD1_MASK) {
280 if (state & GDK_MOD2_MASK) {
283 if (state & GDK_MOD3_MASK) {
286 if (state & GDK_MOD4_MASK) {
289 if (state & GDK_MOD5_MASK) {
292 if (state & GDK_BUTTON1_MASK) {
295 if (state & GDK_BUTTON2_MASK) {
298 if (state & GDK_BUTTON3_MASK) {
301 if (state & GDK_BUTTON4_MASK) {
304 if (state & GDK_BUTTON5_MASK) {
307 if (state & GDK_SUPER_MASK) {
310 if (state & GDK_HYPER_MASK) {
313 if (state & GDK_META_MASK) {
316 if (state & GDK_RELEASE_MASK) {
324 Keyboard::snooper (GtkWidget *widget, GdkEventKey *event)
332 "Snoop widget %1 name: [%6] key %2 [%8] type %3 state %4 [%7] magic %5\n",
333 widget, event->keyval, event->type, event->state, _some_magic_widget_has_focus,
334 gtk_widget_get_name (widget), show_gdk_event_state (event->state), gdk_keyval_name (event->keyval)
338 if (event->keyval == GDK_Shift_R) {
339 keyval = GDK_Shift_L;
341 } else if (event->keyval == GDK_Control_R) {
342 keyval = GDK_Control_L;
345 keyval = event->keyval;
348 if (event->state & ScrollZoomVerticalModifier) {
349 /* There is a special and rather hacky situation in Editor which makes
350 it useful to know when the modifier key for vertical zoom has been
351 released, so emit a signal here (see Editor::_stepping_axis_view).
352 Note that the state bit for the modifier key is set for the key-up
353 event when the modifier is released, but not the key-down when it
354 is pressed, so we get here on key-up, which is what we want.
356 ZoomVerticalModifierReleased (); /* EMIT SIGNAL */
359 if (event->type == GDK_KEY_PRESS) {
361 if (find (state.begin(), state.end(), keyval) == state.end()) {
362 state.push_back (keyval);
363 sort (state.begin(), state.end());
367 /* key is already down. if its also used for release,
368 prevent auto-repeat events.
372 /* August 2015: we don't have any release bindings
375 for (map<AccelKey,two_strings,AccelKeyLess>::iterator k = release_keys.begin(); k != release_keys.end(); ++k) {
377 const AccelKey& ak (k->first);
379 if (keyval == ak.get_key() && (Gdk::ModifierType)((event->state & Keyboard::RelevantModifierKeyMask) | Gdk::RELEASE_MASK) == ak.get_mod()) {
380 DEBUG_TRACE (DEBUG::Keyboard, "Suppress auto repeat\n");
389 /* Special keys that we want to handle in
390 any dialog, no matter whether it uses
391 the regular set of accelerators or not
394 if (event->type == GDK_KEY_RELEASE && modifier_state_equals (event->state, PrimaryModifier)) {
395 switch (event->keyval) {
397 close_current_dialog ();
403 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("snooper returns %1\n", ret));
409 Keyboard::close_current_dialog ()
411 if (current_window) {
412 current_window->hide ();
415 if (pre_dialog_active_window) {
416 pre_dialog_active_window->present ();
417 pre_dialog_active_window = 0;
423 Keyboard::catch_user_event_for_pre_dialog_focus (GdkEvent* ev, Gtk::Window* w)
426 case GDK_BUTTON_PRESS:
427 case GDK_BUTTON_RELEASE:
429 case GDK_KEY_RELEASE:
430 pre_dialog_active_window = w;
433 case GDK_FOCUS_CHANGE:
434 if (ev->focus_change.in) {
435 pre_dialog_active_window = w;
446 Keyboard::key_is_down (uint32_t keyval)
448 return find (state.begin(), state.end(), keyval) != state.end();
452 Keyboard::enter_window (GdkEventCrossing *, Gtk::Window* win)
454 current_window = win;
455 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Entering window, title = %1\n", win->get_title()));
460 Keyboard::leave_window (GdkEventCrossing *ev, Gtk::Window* /*win*/)
463 switch (ev->detail) {
464 case GDK_NOTIFY_INFERIOR:
465 DEBUG_TRACE (DEBUG::Keyboard, "INFERIOR crossing ... out\n");
468 case GDK_NOTIFY_VIRTUAL:
469 DEBUG_TRACE (DEBUG::Keyboard, "VIRTUAL crossing ... out\n");
473 DEBUG_TRACE (DEBUG::Keyboard, "REAL crossing ... out\n");
474 DEBUG_TRACE (DEBUG::Keyboard, "Clearing current target\n");
486 Keyboard::focus_in_window (GdkEventFocus *, Gtk::Window* win)
488 current_window = win;
489 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Focusing in window, title = %1\n", win->get_title()));
494 Keyboard::focus_out_window (GdkEventFocus * ev, Gtk::Window* win)
503 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Foucusing out window, title = %1\n", win->get_title()));
509 Keyboard::set_edit_button (guint but)
515 Keyboard::set_edit_modifier (guint mod)
517 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~edit_mod);
519 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | edit_mod);
523 Keyboard::set_delete_button (guint but)
529 Keyboard::set_delete_modifier (guint mod)
531 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~delete_mod);
533 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | delete_mod);
537 Keyboard::set_insert_note_button (guint but)
539 insert_note_but = but;
543 Keyboard::set_insert_note_modifier (guint mod)
545 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~insert_note_mod);
546 insert_note_mod = mod;
547 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | insert_note_mod);
552 Keyboard::set_modifier (uint32_t newval, uint32_t& var)
554 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~var);
556 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | var);
560 Keyboard::set_snap_modifier (guint mod)
562 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~snap_mod);
564 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | snap_mod);
568 Keyboard::set_snap_delta_modifier (guint mod)
570 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~snap_delta_mod);
571 snap_delta_mod = mod;
572 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | snap_delta_mod);
576 Keyboard::is_edit_event (GdkEventButton *ev)
578 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
579 (ev->button == Keyboard::edit_button()) &&
580 ((ev->state & RelevantModifierKeyMask) == Keyboard::edit_modifier());
584 Keyboard::is_insert_note_event (GdkEventButton *ev)
586 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
587 (ev->button == Keyboard::insert_note_button()) &&
588 ((ev->state & RelevantModifierKeyMask) == Keyboard::insert_note_modifier());
592 Keyboard::is_button2_event (GdkEventButton* ev)
595 return (ev->button == 2) ||
596 ((ev->button == 1) &&
597 ((ev->state & Keyboard::button2_modifiers) == Keyboard::button2_modifiers));
599 return ev->button == 2;
604 Keyboard::is_delete_event (GdkEventButton *ev)
606 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
607 (ev->button == Keyboard::delete_button()) &&
608 ((ev->state & RelevantModifierKeyMask) == Keyboard::delete_modifier());
612 Keyboard::is_context_menu_event (GdkEventButton *ev)
614 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
616 ((ev->state & RelevantModifierKeyMask) == 0);
620 Keyboard::no_modifiers_active (guint state)
622 return (state & RelevantModifierKeyMask) == 0;
626 Keyboard::modifier_state_contains (guint state, ModifierMask mask)
628 return (state & mask) == (guint) mask;
632 Keyboard::modifier_state_equals (guint state, ModifierMask mask)
634 return (state & RelevantModifierKeyMask) == (guint) mask;
638 Keyboard::keybindings_changed ()
640 if (Keyboard::can_save_keybindings) {
641 Keyboard::bindings_changed_after_save_became_legal = true;
644 Keyboard::save_keybindings ();
648 Keyboard::set_can_save_keybindings (bool yn)
650 can_save_keybindings = yn;
654 Keyboard::save_keybindings ()
656 if (can_save_keybindings && bindings_changed_after_save_became_legal) {
657 /* Call to specific implementation to save bindings to path */
658 store_keybindings (user_keybindings_path);
663 Keyboard::load_keybindings (string const & path)
666 info << "Loading bindings from " << path << endl;
668 /* Call to specific implementation to load bindings from path */
669 read_keybindings (path);
671 _current_binding_name = _("Unknown");
673 for (map<string,string>::iterator x = binding_files.begin(); x != binding_files.end(); ++x) {
674 if (path == x->second) {
675 _current_binding_name = x->first;
682 error << string_compose (_("key bindings file not found at \"%2\" or contains errors."), path)
691 Keyboard::read_keybindings (string const & path)
695 if (!tree.read (path.c_str())) {
699 /* toplevel node is "BindingSet; children are "Bindings" */
701 XMLNodeList const& children = tree.root()->children();
703 for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
704 if ((*i)->name() == X_("Bindings")) {
705 XMLProperty const* name = (*i)->property (X_("name"));
707 warning << _("Keyboard binding found without a name") << endmsg;
711 Bindings* b = new Bindings (name->value());
720 Keyboard::store_keybindings (string const & path)
722 XMLNode* node = new XMLNode (X_("BindingSet"));
726 for (list<Bindings*>::const_iterator b = Bindings::bindings.begin(); b != Bindings::bindings.end(); ++b) {
727 bnode = new XMLNode (X_("Bindings"));
728 bnode->add_property (X_("name"), (*b)->name());
730 node->add_child_nocopy (*bnode);
734 tree.set_root (node); /* tree now owns root and will delete it */
736 if (!tree.write (path)) {
737 error << string_compose (_("Cannot save key bindings to %1"), path) << endmsg;
745 Keyboard::reset_bindings ()
747 if (Glib::file_test (user_keybindings_path, Glib::FILE_TEST_EXISTS)) {
749 string new_path = user_keybindings_path;
752 if (::g_rename (user_keybindings_path.c_str(), new_path.c_str())) {
753 error << string_compose (_("Cannot rename your own keybinding file (%1)"), strerror (errno)) << endmsg;
759 PBD::Unwinder<bool> uw (can_save_keybindings, false);
760 setup_keybindings ();
761 Bindings::associate_all ();