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.
29 #include <glib/gstdio.h>
31 #include <gtkmm/widget.h>
32 #include <gtkmm/window.h>
33 #include <gtkmm/accelmap.h>
34 #include <gdk/gdkkeysyms.h>
36 #include "pbd/error.h"
37 #include "pbd/convert.h"
38 #include "pbd/file_utils.h"
39 #include "pbd/search_path.h"
40 #include "pbd/xml++.h"
41 #include "pbd/debug.h"
42 #include "pbd/unwind.h"
44 #include "gtkmm2ext/keyboard.h"
45 #include "gtkmm2ext/actions.h"
46 #include "gtkmm2ext/debug.h"
52 using namespace Gtkmm2ext;
55 guint Keyboard::edit_but = 3;
56 guint Keyboard::edit_mod = GDK_CONTROL_MASK;
57 guint Keyboard::delete_but = 3;
58 guint Keyboard::delete_mod = GDK_SHIFT_MASK;
59 guint Keyboard::insert_note_but = 1;
60 guint Keyboard::insert_note_mod = GDK_CONTROL_MASK;
61 guint Keyboard::snap_mod = GDK_MOD3_MASK;
65 uint Keyboard::PrimaryModifier = GDK_MOD2_MASK; // Command
66 guint Keyboard::SecondaryModifier = GDK_CONTROL_MASK; // Control
67 guint Keyboard::TertiaryModifier = GDK_SHIFT_MASK; // Shift
68 guint Keyboard::Level4Modifier = GDK_MOD1_MASK; // Alt/Option
69 guint Keyboard::CopyModifier = GDK_CONTROL_MASK; // Control
70 guint Keyboard::RangeSelectModifier = GDK_SHIFT_MASK;
71 guint Keyboard::button2_modifiers = Keyboard::SecondaryModifier|Keyboard::Level4Modifier;
73 const char* Keyboard::primary_modifier_name() { return _("Command"); }
74 const char* Keyboard::secondary_modifier_name() { return _("Control"); }
75 const char* Keyboard::tertiary_modifier_name() { return S_("Key|Shift"); }
76 const char* Keyboard::level4_modifier_name() { return _("Option"); }
77 const char* Keyboard::copy_modifier_name() { return _("Control"); }
78 const char* Keyboard::rangeselect_modifier_name() { return S_("Key|Shift"); }
82 guint Keyboard::PrimaryModifier = GDK_CONTROL_MASK; // Control
83 guint Keyboard::SecondaryModifier = GDK_MOD1_MASK; // Alt/Option
84 guint Keyboard::TertiaryModifier = GDK_SHIFT_MASK; // Shift
85 guint Keyboard::Level4Modifier = GDK_MOD4_MASK; // Mod4/Windows
86 guint Keyboard::CopyModifier = GDK_CONTROL_MASK;
87 guint Keyboard::RangeSelectModifier = GDK_SHIFT_MASK;
88 guint Keyboard::button2_modifiers = 0; /* not used */
90 const char* Keyboard::primary_modifier_name() { return _("Control"); }
91 const char* Keyboard::secondary_modifier_name() { return _("Alt"); }
92 const char* Keyboard::tertiary_modifier_name() { return S_("Key|Shift"); }
93 const char* Keyboard::level4_modifier_name() { return _("Meta"); }
94 const char* Keyboard::copy_modifier_name() { return _("Control"); }
95 const char* Keyboard::rangeselect_modifier_name() { return S_("Key|Shift"); }
99 guint Keyboard::GainFineScaleModifier = Keyboard::PrimaryModifier;
100 guint Keyboard::GainExtraFineScaleModifier = Keyboard::SecondaryModifier;
102 guint Keyboard::ScrollZoomVerticalModifier = Keyboard::SecondaryModifier;
103 guint Keyboard::ScrollZoomHorizontalModifier = Keyboard::PrimaryModifier;
104 guint Keyboard::ScrollHorizontalModifier = Keyboard::TertiaryModifier;
107 Keyboard* Keyboard::_the_keyboard = 0;
108 Gtk::Window* Keyboard::current_window = 0;
109 bool Keyboard::_some_magic_widget_has_focus = false;
111 std::string Keyboard::user_keybindings_path;
112 bool Keyboard::can_save_keybindings = false;
113 bool Keyboard::bindings_changed_after_save_became_legal = false;
114 map<string,string> Keyboard::binding_files;
115 string Keyboard::_current_binding_name;
116 map<AccelKey,pair<string,string>,Keyboard::AccelKeyLess> Keyboard::release_keys;
118 /* set this to initially contain the modifiers we care about, then track changes in ::set_edit_modifier() etc. */
120 GdkModifierType Keyboard::RelevantModifierKeyMask;
123 Keyboard::magic_widget_grab_focus ()
125 _some_magic_widget_has_focus = true;
129 Keyboard::magic_widget_drop_focus ()
131 _some_magic_widget_has_focus = false;
135 Keyboard::some_magic_widget_has_focus ()
137 return _some_magic_widget_has_focus;
140 Keyboard::Keyboard ()
142 if (_the_keyboard == 0) {
143 _the_keyboard = this;
144 _current_binding_name = _("Unknown");
147 RelevantModifierKeyMask = (GdkModifierType) gtk_accelerator_get_default_mod_mask ();
149 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | PrimaryModifier);
150 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | SecondaryModifier);
151 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | TertiaryModifier);
152 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | Level4Modifier);
153 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | CopyModifier);
154 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | RangeSelectModifier);
156 gtk_accelerator_set_default_mod_mask (RelevantModifierKeyMask);
158 snooper_id = gtk_key_snooper_install (_snooper, (gpointer) this);
161 Keyboard::~Keyboard ()
163 gtk_key_snooper_remove (snooper_id);
167 Keyboard::get_state (void)
169 XMLNode* node = new XMLNode ("Keyboard");
172 snprintf (buf, sizeof (buf), "%d", edit_but);
173 node->add_property ("edit-button", buf);
174 snprintf (buf, sizeof (buf), "%d", edit_mod);
175 node->add_property ("edit-modifier", buf);
176 snprintf (buf, sizeof (buf), "%d", delete_but);
177 node->add_property ("delete-button", buf);
178 snprintf (buf, sizeof (buf), "%d", delete_mod);
179 node->add_property ("delete-modifier", buf);
180 snprintf (buf, sizeof (buf), "%d", snap_mod);
181 node->add_property ("snap-modifier", buf);
182 snprintf (buf, sizeof (buf), "%d", insert_note_but);
183 node->add_property ("insert-note-button", buf);
184 snprintf (buf, sizeof (buf), "%d", insert_note_mod);
185 node->add_property ("insert-note-modifier", buf);
191 Keyboard::set_state (const XMLNode& node, int /*version*/)
193 const XMLProperty* prop;
195 if ((prop = node.property ("edit-button")) != 0) {
196 sscanf (prop->value().c_str(), "%d", &edit_but);
199 if ((prop = node.property ("edit-modifier")) != 0) {
200 sscanf (prop->value().c_str(), "%d", &edit_mod);
203 if ((prop = node.property ("delete-button")) != 0) {
204 sscanf (prop->value().c_str(), "%d", &delete_but);
207 if ((prop = node.property ("delete-modifier")) != 0) {
208 sscanf (prop->value().c_str(), "%d", &delete_mod);
211 if ((prop = node.property ("snap-modifier")) != 0) {
212 sscanf (prop->value().c_str(), "%d", &snap_mod);
215 if ((prop = node.property ("insert-note-button")) != 0) {
216 sscanf (prop->value().c_str(), "%d", &insert_note_but);
219 if ((prop = node.property ("insert-note-modifier")) != 0) {
220 sscanf (prop->value().c_str(), "%d", &insert_note_mod);
227 Keyboard::_snooper (GtkWidget *widget, GdkEventKey *event, gpointer data)
229 return ((Keyboard *) data)->snooper (widget, event);
233 Keyboard::snooper (GtkWidget *widget, GdkEventKey *event)
241 "Snoop widget %1 name: [%6] key %2 type %3 state %4 magic %5\n",
242 widget, event->keyval, event->type, event->state, _some_magic_widget_has_focus,
243 gtk_widget_get_name (widget)
247 if (event->keyval == GDK_Shift_R) {
248 keyval = GDK_Shift_L;
250 } else if (event->keyval == GDK_Control_R) {
251 keyval = GDK_Control_L;
254 keyval = event->keyval;
257 if (event->state & ScrollZoomVerticalModifier) {
258 /* There is a special and rather hacky situation in Editor which makes
259 it useful to know when the modifier key for vertical zoom has been
260 released, so emit a signal here (see Editor::_stepping_axis_view).
261 Note that the state bit for the modifier key is set for the key-up
262 event when the modifier is released, but not the key-down when it
263 is pressed, so we get here on key-up, which is what we want.
265 ZoomVerticalModifierReleased (); /* EMIT SIGNAL */
268 if (event->type == GDK_KEY_PRESS) {
270 if (find (state.begin(), state.end(), keyval) == state.end()) {
271 state.push_back (keyval);
272 sort (state.begin(), state.end());
276 /* key is already down. if its also used for release,
277 prevent auto-repeat events.
280 for (map<AccelKey,two_strings,AccelKeyLess>::iterator k = release_keys.begin(); k != release_keys.end(); ++k) {
282 const AccelKey& ak (k->first);
284 if (keyval == ak.get_key() && (Gdk::ModifierType)((event->state & Keyboard::RelevantModifierKeyMask) | Gdk::RELEASE_MASK) == ak.get_mod()) {
285 DEBUG_TRACE (DEBUG::Keyboard, "Suppress auto repeat\n");
292 } else if (event->type == GDK_KEY_RELEASE) {
296 if ((i = find (state.begin(), state.end(), keyval)) != state.end()) {
298 sort (state.begin(), state.end());
301 for (map<AccelKey,two_strings,AccelKeyLess>::iterator k = release_keys.begin(); k != release_keys.end(); ++k) {
303 const AccelKey& ak (k->first);
304 two_strings ts (k->second);
306 if (keyval == ak.get_key() && (Gdk::ModifierType)((event->state & Keyboard::RelevantModifierKeyMask) | Gdk::RELEASE_MASK) == ak.get_mod()) {
307 Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (ts.first.c_str(), ts.second.c_str());
309 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Activate %1 %2\n", ts.first, ts.second));
311 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Use repeat, suppress other\n", ts.first, ts.second));
319 /* Special keys that we want to handle in
320 any dialog, no matter whether it uses
321 the regular set of accelerators or not
324 if (event->type == GDK_KEY_RELEASE && modifier_state_equals (event->state, PrimaryModifier)) {
325 switch (event->keyval) {
327 close_current_dialog ();
333 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("snooper returns %1\n", ret));
339 Keyboard::close_current_dialog ()
341 if (current_window) {
342 current_window->hide ();
348 Keyboard::key_is_down (uint32_t keyval)
350 return find (state.begin(), state.end(), keyval) != state.end();
354 Keyboard::enter_window (GdkEventCrossing *, Gtk::Window* win)
356 current_window = win;
357 DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Entering window, title = %1\n", win->get_title()));
362 Keyboard::leave_window (GdkEventCrossing *ev, Gtk::Window* /*win*/)
365 switch (ev->detail) {
366 case GDK_NOTIFY_INFERIOR:
367 DEBUG_TRACE (DEBUG::Keyboard, "INFERIOR crossing ... out\n");
370 case GDK_NOTIFY_VIRTUAL:
371 DEBUG_TRACE (DEBUG::Keyboard, "VIRTUAL crossing ... out\n");
375 DEBUG_TRACE (DEBUG::Keyboard, "REAL crossing ... out\n");
376 DEBUG_TRACE (DEBUG::Keyboard, "Clearing current target\n");
388 Keyboard::set_edit_button (guint but)
394 Keyboard::set_edit_modifier (guint mod)
396 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~edit_mod);
398 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | edit_mod);
402 Keyboard::set_delete_button (guint but)
408 Keyboard::set_delete_modifier (guint mod)
410 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~delete_mod);
412 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | delete_mod);
416 Keyboard::set_insert_note_button (guint but)
418 insert_note_but = but;
422 Keyboard::set_insert_note_modifier (guint mod)
424 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~insert_note_mod);
425 insert_note_mod = mod;
426 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | insert_note_mod);
431 Keyboard::set_modifier (uint32_t newval, uint32_t& var)
433 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~var);
435 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | var);
439 Keyboard::set_snap_modifier (guint mod)
441 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~snap_mod);
443 RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | snap_mod);
447 Keyboard::is_edit_event (GdkEventButton *ev)
449 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
450 (ev->button == Keyboard::edit_button()) &&
451 ((ev->state & RelevantModifierKeyMask) == Keyboard::edit_modifier());
455 Keyboard::is_insert_note_event (GdkEventButton *ev)
457 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
458 (ev->button == Keyboard::insert_note_button()) &&
459 ((ev->state & RelevantModifierKeyMask) == Keyboard::insert_note_modifier());
463 Keyboard::is_button2_event (GdkEventButton* ev)
466 return (ev->button == 2) ||
467 ((ev->button == 1) &&
468 ((ev->state & Keyboard::button2_modifiers) == Keyboard::button2_modifiers));
470 return ev->button == 2;
475 Keyboard::is_delete_event (GdkEventButton *ev)
477 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
478 (ev->button == Keyboard::delete_button()) &&
479 ((ev->state & RelevantModifierKeyMask) == Keyboard::delete_modifier());
483 Keyboard::is_context_menu_event (GdkEventButton *ev)
485 return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
487 ((ev->state & RelevantModifierKeyMask) == 0);
491 Keyboard::no_modifiers_active (guint state)
493 return (state & RelevantModifierKeyMask) == 0;
497 Keyboard::modifier_state_contains (guint state, ModifierMask mask)
499 return (state & mask) == (guint) mask;
503 Keyboard::modifier_state_equals (guint state, ModifierMask mask)
505 return (state & RelevantModifierKeyMask) == (guint) mask;
509 Keyboard::keybindings_changed ()
511 if (Keyboard::can_save_keybindings) {
512 Keyboard::bindings_changed_after_save_became_legal = true;
515 Keyboard::save_keybindings ();
519 Keyboard::set_can_save_keybindings (bool yn)
521 can_save_keybindings = yn;
525 Keyboard::save_keybindings ()
527 if (can_save_keybindings && bindings_changed_after_save_became_legal) {
528 Gtk::AccelMap::save (user_keybindings_path);
533 Keyboard::load_keybindings (string path)
536 info << "Loading bindings from " << path << endl;
538 Gtk::AccelMap::load (path);
540 _current_binding_name = _("Unknown");
542 for (map<string,string>::iterator x = binding_files.begin(); x != binding_files.end(); ++x) {
543 if (path == x->second) {
544 _current_binding_name = x->first;
551 error << string_compose (_("key bindings file not found at \"%2\" or contains errors."), path)
556 /* now find all release-driven bindings */
558 vector<string> groups;
559 vector<string> names;
560 vector<string> tooltips;
561 vector<AccelKey> bindings;
563 ActionManager::get_all_actions (groups, names, tooltips, bindings);
565 vector<string>::iterator g;
566 vector<AccelKey>::iterator b;
567 vector<string>::iterator n;
569 release_keys.clear ();
571 for (n = names.begin(), b = bindings.begin(), g = groups.begin(); n != names.end(); ++n, ++b, ++g) {
573 s << "Action: " << *n << " Group: " << *g << " Binding: ";
575 if ((*b).get_key() != GDK_VoidSymbol) {
576 s << b->get_key() << " w/mod " << hex << b->get_mod() << dec << " = " << b->get_abbrev () << "\n";
581 DEBUG_TRACE (DEBUG::Bindings, s.str ());
584 for (n = names.begin(), b = bindings.begin(), g = groups.begin(); n != names.end(); ++n, ++b, ++g) {
585 if ((*b).get_mod() & Gdk::RELEASE_MASK) {
586 release_keys.insert (pair<AccelKey,two_strings> (*b, two_strings (*g, *n)));
594 Keyboard::reset_bindings ()
596 if (Glib::file_test (user_keybindings_path, Glib::FILE_TEST_EXISTS)) {
598 string new_path = user_keybindings_path;
601 if (::g_rename (user_keybindings_path.c_str(), new_path.c_str())) {
602 error << string_compose (_("Cannot rename your own keybinding file (%1)"), strerror (errno)) << endmsg;
608 PBD::Unwinder<bool> uw (can_save_keybindings, false);
609 setup_keybindings ();