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;
115 /* set this to initially contain the modifiers we care about, then track changes in ::set_edit_modifier() etc. */
116 GdkModifierType Keyboard::RelevantModifierKeyMask;
119 Keyboard::magic_widget_grab_focus ()
121 _some_magic_widget_has_focus = true;
125 Keyboard::magic_widget_drop_focus ()
127 _some_magic_widget_has_focus = false;
131 Keyboard::some_magic_widget_has_focus ()
133 return _some_magic_widget_has_focus;
136 Keyboard::Keyboard ()
138 if (_the_keyboard == 0) {
139 _the_keyboard = this;
140 _current_binding_name = _("Unknown");
143 RelevantModifierKeyMask = (GdkModifierType) gtk_accelerator_get_default_mod_mask ();
145 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | PrimaryModifier);
146 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | SecondaryModifier);
147 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | TertiaryModifier);
148 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | Level4Modifier);
149 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | CopyModifier);
150 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | RangeSelectModifier);
152 gtk_accelerator_set_default_mod_mask (RelevantModifierKeyMask);
155 /* Remove SUPER,HYPER,META.
157 * GTK on OS X adds META when Command is pressed for various indefensible reasons, since
158 * it also uses MOD2 to indicate Command. Our code assumes that each
159 * modifier (Primary, Secondary etc.) is represented by a single bit in
160 * the modifier mask, but GTK's (STUPID) design uses two (MOD2 + META)
161 * to represent the Command key. Some discussion about this is here:
162 * https://bugzilla.gnome.org/show_bug.cgi?id=692597
164 * We cannot do this until AFTER we told GTK what the default modifier
165 * was, because otherwise it will fail to recognize MOD2-META-<key> as
168 * Note that in the tabbed branch, we no longer use GTK accelerators
169 * for functional purposes, so this is as critical for that branch.
172 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~GDK_SUPER_MASK);
173 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~GDK_HYPER_MASK);
174 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~GDK_META_MASK);
177 snooper_id = gtk_key_snooper_install (_snooper, (gpointer) this);
180 Keyboard::~Keyboard ()
182 gtk_key_snooper_remove (snooper_id);
186 Keyboard::get_state (void)
188 XMLNode* node = new XMLNode ("Keyboard");
191 snprintf (buf, sizeof (buf), "%d", CopyModifier);
192 node->add_property ("copy-modifier", buf);
193 snprintf (buf, sizeof (buf), "%d", edit_but);
194 node->add_property ("edit-button", buf);
195 snprintf (buf, sizeof (buf), "%d", edit_mod);
196 node->add_property ("edit-modifier", buf);
197 snprintf (buf, sizeof (buf), "%d", delete_but);
198 node->add_property ("delete-button", buf);
199 snprintf (buf, sizeof (buf), "%d", delete_mod);
200 node->add_property ("delete-modifier", buf);
201 snprintf (buf, sizeof (buf), "%d", snap_mod);
202 node->add_property ("snap-modifier", buf);
203 snprintf (buf, sizeof (buf), "%d", snap_delta_mod);
204 node->add_property ("snap-delta-modifier", buf);
205 snprintf (buf, sizeof (buf), "%d", insert_note_but);
206 node->add_property ("insert-note-button", buf);
207 snprintf (buf, sizeof (buf), "%d", insert_note_mod);
208 node->add_property ("insert-note-modifier", buf);
214 Keyboard::set_state (const XMLNode& node, int /*version*/)
216 const XMLProperty* prop;
218 if ((prop = node.property ("copy-modifier")) != 0) {
219 sscanf (prop->value().c_str(), "%d", &CopyModifier);
222 if ((prop = node.property ("edit-button")) != 0) {
223 sscanf (prop->value().c_str(), "%d", &edit_but);
226 if ((prop = node.property ("edit-modifier")) != 0) {
227 sscanf (prop->value().c_str(), "%d", &edit_mod);
230 if ((prop = node.property ("delete-button")) != 0) {
231 sscanf (prop->value().c_str(), "%d", &delete_but);
234 if ((prop = node.property ("delete-modifier")) != 0) {
235 sscanf (prop->value().c_str(), "%d", &delete_mod);
238 if ((prop = node.property ("snap-modifier")) != 0) {
239 sscanf (prop->value().c_str(), "%d", &snap_mod);
242 if ((prop = node.property ("snap-delta-modifier")) != 0) {
243 sscanf (prop->value().c_str(), "%d", &snap_delta_mod);
246 if ((prop = node.property ("insert-note-button")) != 0) {
247 sscanf (prop->value().c_str(), "%d", &insert_note_but);
250 if ((prop = node.property ("insert-note-modifier")) != 0) {
251 sscanf (prop->value().c_str(), "%d", &insert_note_mod);
258 Keyboard::_snooper (GtkWidget *widget, GdkEventKey *event, gpointer data)
260 return ((Keyboard *) data)->snooper (widget, event);
264 show_gdk_event_state (int state)
267 if (state & GDK_SHIFT_MASK) {
270 if (state & GDK_LOCK_MASK) {
273 if (state & GDK_CONTROL_MASK) {
276 if (state & GDK_MOD1_MASK) {
279 if (state & GDK_MOD2_MASK) {
282 if (state & GDK_MOD3_MASK) {
285 if (state & GDK_MOD4_MASK) {
288 if (state & GDK_MOD5_MASK) {
291 if (state & GDK_BUTTON1_MASK) {
294 if (state & GDK_BUTTON2_MASK) {
297 if (state & GDK_BUTTON3_MASK) {
300 if (state & GDK_BUTTON4_MASK) {
303 if (state & GDK_BUTTON5_MASK) {
306 if (state & GDK_SUPER_MASK) {
309 if (state & GDK_HYPER_MASK) {
312 if (state & GDK_META_MASK) {
315 if (state & GDK_RELEASE_MASK) {
323 Keyboard::snooper (GtkWidget *widget, GdkEventKey *event)
331 "Snoop widget %1 name: [%6] key %2 [%8] type %3 state %4 [%7] magic %5\n",
332 widget, event->keyval, event->type, event->state, _some_magic_widget_has_focus,
333 gtk_widget_get_name (widget), show_gdk_event_state (event->state), gdk_keyval_name (event->keyval)
337 if (event->keyval == GDK_Shift_R) {
338 keyval = GDK_Shift_L;
340 } else if (event->keyval == GDK_Control_R) {
341 keyval = GDK_Control_L;
344 keyval = event->keyval;
347 if (event->state & ScrollZoomVerticalModifier) {
348 /* There is a special and rather hacky situation in Editor which makes
349 it useful to know when the modifier key for vertical zoom has been
350 released, so emit a signal here (see Editor::_stepping_axis_view).
351 Note that the state bit for the modifier key is set for the key-up
352 event when the modifier is released, but not the key-down when it
353 is pressed, so we get here on key-up, which is what we want.
355 ZoomVerticalModifierReleased (); /* EMIT SIGNAL */
358 if (event->type == GDK_KEY_PRESS) {
360 if (find (state.begin(), state.end(), keyval) == state.end()) {
361 state.push_back (keyval);
362 sort (state.begin(), state.end());
366 /* key is already down. if its also used for release,
367 prevent auto-repeat events.
371 /* August 2015: we don't have any release bindings
374 for (map<AccelKey,two_strings,AccelKeyLess>::iterator k = release_keys.begin(); k != release_keys.end(); ++k) {
376 const AccelKey& ak (k->first);
378 if (keyval == ak.get_key() && (Gdk::ModifierType)((event->state & Keyboard::RelevantModifierKeyMask) | Gdk::RELEASE_MASK) == ak.get_mod()) {
379 DEBUG_TRACE (DEBUG::Keyboard, "Suppress auto repeat\n");
388 /* Special keys that we want to handle in
389 any dialog, no matter whether it uses
390 the regular set of accelerators or not
393 if (event->type == GDK_KEY_RELEASE && modifier_state_equals (event->state, PrimaryModifier)) {
394 switch (event->keyval) {
396 close_current_dialog ();
402 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("snooper returns %1\n", ret));
408 Keyboard::close_current_dialog ()
410 if (current_window) {
411 current_window->hide ();
414 if (pre_dialog_active_window) {
415 pre_dialog_active_window->present ();
416 pre_dialog_active_window = 0;
422 Keyboard::catch_user_event_for_pre_dialog_focus (GdkEvent* ev, Gtk::Window* w)
425 case GDK_BUTTON_PRESS:
426 case GDK_BUTTON_RELEASE:
428 case GDK_KEY_RELEASE:
429 pre_dialog_active_window = w;
432 case GDK_FOCUS_CHANGE:
433 if (ev->focus_change.in) {
434 pre_dialog_active_window = w;
445 Keyboard::key_is_down (uint32_t keyval)
447 return find (state.begin(), state.end(), keyval) != state.end();
451 Keyboard::enter_window (GdkEventCrossing *, Gtk::Window* win)
453 current_window = win;
454 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Entering window, title = %1\n", win->get_title()));
459 Keyboard::leave_window (GdkEventCrossing *ev, Gtk::Window* /*win*/)
462 switch (ev->detail) {
463 case GDK_NOTIFY_INFERIOR:
464 DEBUG_TRACE (DEBUG::Keyboard, "INFERIOR crossing ... out\n");
467 case GDK_NOTIFY_VIRTUAL:
468 DEBUG_TRACE (DEBUG::Keyboard, "VIRTUAL crossing ... out\n");
472 DEBUG_TRACE (DEBUG::Keyboard, "REAL crossing ... out\n");
473 DEBUG_TRACE (DEBUG::Keyboard, "Clearing current target\n");
485 Keyboard::focus_in_window (GdkEventFocus *, Gtk::Window* win)
487 current_window = win;
488 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Focusing in window, title = %1\n", win->get_title()));
493 Keyboard::focus_out_window (GdkEventFocus * ev, Gtk::Window* win)
502 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Foucusing out window, title = %1\n", win->get_title()));
508 Keyboard::set_edit_button (guint but)
514 Keyboard::set_edit_modifier (guint mod)
516 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~edit_mod);
518 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | edit_mod);
522 Keyboard::set_delete_button (guint but)
528 Keyboard::set_delete_modifier (guint mod)
530 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~delete_mod);
532 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | delete_mod);
536 Keyboard::set_insert_note_button (guint but)
538 insert_note_but = but;
542 Keyboard::set_insert_note_modifier (guint mod)
544 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~insert_note_mod);
545 insert_note_mod = mod;
546 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | insert_note_mod);
551 Keyboard::set_modifier (uint32_t newval, uint32_t& var)
553 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~var);
555 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | var);
559 Keyboard::set_snap_modifier (guint mod)
561 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~snap_mod);
563 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | snap_mod);
567 Keyboard::set_snap_delta_modifier (guint mod)
569 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~snap_delta_mod);
570 snap_delta_mod = mod;
571 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | snap_delta_mod);
575 Keyboard::is_edit_event (GdkEventButton *ev)
577 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
578 (ev->button == Keyboard::edit_button()) &&
579 ((ev->state & RelevantModifierKeyMask) == Keyboard::edit_modifier());
583 Keyboard::is_insert_note_event (GdkEventButton *ev)
585 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
586 (ev->button == Keyboard::insert_note_button()) &&
587 ((ev->state & RelevantModifierKeyMask) == Keyboard::insert_note_modifier());
591 Keyboard::is_button2_event (GdkEventButton* ev)
594 return (ev->button == 2) ||
595 ((ev->button == 1) &&
596 ((ev->state & Keyboard::button2_modifiers) == Keyboard::button2_modifiers));
598 return ev->button == 2;
603 Keyboard::is_delete_event (GdkEventButton *ev)
605 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
606 (ev->button == Keyboard::delete_button()) &&
607 ((ev->state & RelevantModifierKeyMask) == Keyboard::delete_modifier());
611 Keyboard::is_context_menu_event (GdkEventButton *ev)
613 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
615 ((ev->state & RelevantModifierKeyMask) == 0);
619 Keyboard::no_modifiers_active (guint state)
621 return (state & RelevantModifierKeyMask) == 0;
625 Keyboard::modifier_state_contains (guint state, ModifierMask mask)
627 return (state & mask) == (guint) mask;
631 Keyboard::modifier_state_equals (guint state, ModifierMask mask)
633 return (state & RelevantModifierKeyMask) == (guint) mask;
637 Keyboard::keybindings_changed ()
639 if (Keyboard::can_save_keybindings) {
640 Keyboard::bindings_changed_after_save_became_legal = true;
643 Keyboard::save_keybindings ();
647 Keyboard::set_can_save_keybindings (bool yn)
649 can_save_keybindings = yn;
653 Keyboard::save_keybindings ()
655 if (can_save_keybindings && bindings_changed_after_save_became_legal) {
656 /* Call to specific implementation to save bindings to path */
657 store_keybindings (user_keybindings_path);
662 Keyboard::load_keybindings (string const & path)
665 info << "Loading bindings from " << path << endl;
667 /* Call to specific implementation to load bindings from path */
668 read_keybindings (path);
670 _current_binding_name = _("Unknown");
672 for (map<string,string>::iterator x = binding_files.begin(); x != binding_files.end(); ++x) {
673 if (path == x->second) {
674 _current_binding_name = x->first;
681 error << string_compose (_("key bindings file not found at \"%2\" or contains errors."), path)
690 Keyboard::read_keybindings (string const & path)
694 if (!tree.read (path.c_str())) {
698 /* toplevel node is "BindingSet; children are "Bindings" */
700 XMLNodeList const& children = tree.root()->children();
702 for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
703 if ((*i)->name() == X_("Bindings")) {
704 XMLProperty const* name = (*i)->property (X_("name"));
706 warning << _("Keyboard binding found without a name") << endmsg;
710 Bindings* b = new Bindings (name->value());
719 Keyboard::store_keybindings (string const & path)
721 XMLNode* node = new XMLNode (X_("BindingSet"));
725 for (list<Bindings*>::const_iterator b = Bindings::bindings.begin(); b != Bindings::bindings.end(); ++b) {
726 bnode = new XMLNode (X_("Bindings"));
727 bnode->add_property (X_("name"), (*b)->name());
729 node->add_child_nocopy (*bnode);
733 tree.set_root (node); /* tree now owns root and will delete it */
735 if (!tree.write (path)) {
736 error << string_compose (_("Cannot save key bindings to %1"), path) << endmsg;
744 Keyboard::reset_bindings ()
746 if (Glib::file_test (user_keybindings_path, Glib::FILE_TEST_EXISTS)) {
748 string new_path = user_keybindings_path;
751 if (::g_rename (user_keybindings_path.c_str(), new_path.c_str())) {
752 error << string_compose (_("Cannot rename your own keybinding file (%1)"), strerror (errno)) << endmsg;
758 PBD::Unwinder<bool> uw (can_save_keybindings, false);
759 setup_keybindings ();
760 Bindings::associate_all ();