git-svn-id: svn://localhost/ardour2/branches/3.0@6288 d708f5d6-7413-0410-9779-e7cbd77b26cf
520 lines
13 KiB
C++
520 lines
13 KiB
C++
/*
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Copyright (C) 2001 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <vector>
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#include <algorithm>
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#include <fstream>
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#include <iostream>
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#include <ctype.h>
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#include <gtkmm/widget.h>
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#include <gtkmm/window.h>
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#include <gtkmm/accelmap.h>
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#include <gdk/gdkkeysyms.h>
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#include "pbd/error.h"
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#include "pbd/file_utils.h"
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#include "pbd/search_path.h"
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#include "pbd/xml++.h"
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#include "gtkmm2ext/keyboard.h"
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#include "gtkmm2ext/actions.h"
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#include "i18n.h"
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using namespace PBD;
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using namespace Gtk;
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using namespace Gtkmm2ext;
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using namespace std;
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#define KBD_DEBUG 1
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bool debug_keyboard = false;
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guint Keyboard::edit_but = 3;
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guint Keyboard::edit_mod = GDK_CONTROL_MASK;
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guint Keyboard::delete_but = 3;
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guint Keyboard::delete_mod = GDK_SHIFT_MASK;
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guint Keyboard::snap_mod = GDK_MOD3_MASK;
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#ifdef GTKOSX
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guint Keyboard::PrimaryModifier = GDK_META_MASK; // Command
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guint Keyboard::SecondaryModifier = GDK_MOD1_MASK; // Alt/Option
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guint Keyboard::TertiaryModifier = GDK_SHIFT_MASK; // Shift
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guint Keyboard::Level4Modifier = GDK_CONTROL_MASK; // Control
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guint Keyboard::CopyModifier = GDK_MOD1_MASK; // Alt/Option
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guint Keyboard::RangeSelectModifier = GDK_SHIFT_MASK;
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guint Keyboard::button2_modifiers = Keyboard::SecondaryModifier|Keyboard::Level4Modifier;
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#else
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guint Keyboard::PrimaryModifier = GDK_CONTROL_MASK; // Control
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guint Keyboard::SecondaryModifier = GDK_MOD1_MASK; // Alt/Option
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guint Keyboard::TertiaryModifier = GDK_SHIFT_MASK; // Shift
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guint Keyboard::Level4Modifier = GDK_MOD4_MASK; // Mod4/Windows
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guint Keyboard::CopyModifier = GDK_CONTROL_MASK;
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guint Keyboard::RangeSelectModifier = GDK_SHIFT_MASK;
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guint Keyboard::button2_modifiers = 0; /* not used */
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#endif
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Keyboard* Keyboard::_the_keyboard = 0;
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Gtk::Window* Keyboard::current_window = 0;
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bool Keyboard::_some_magic_widget_has_focus = false;
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std::string Keyboard::user_keybindings_path;
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bool Keyboard::can_save_keybindings = false;
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bool Keyboard::bindings_changed_after_save_became_legal = false;
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map<string,string> Keyboard::binding_files;
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string Keyboard::_current_binding_name = _("Unknown");
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map<AccelKey,pair<string,string>,Keyboard::AccelKeyLess> Keyboard::release_keys;
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/* set this to initially contain the modifiers we care about, then track changes in ::set_edit_modifier() etc. */
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GdkModifierType Keyboard::RelevantModifierKeyMask;
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void
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Keyboard::magic_widget_grab_focus ()
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{
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_some_magic_widget_has_focus = true;
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}
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void
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Keyboard::magic_widget_drop_focus ()
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{
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_some_magic_widget_has_focus = false;
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}
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bool
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Keyboard::some_magic_widget_has_focus ()
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{
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return _some_magic_widget_has_focus;
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}
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Keyboard::Keyboard ()
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{
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if (_the_keyboard == 0) {
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_the_keyboard = this;
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}
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RelevantModifierKeyMask = (GdkModifierType) gtk_accelerator_get_default_mod_mask ();
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | PrimaryModifier);
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | SecondaryModifier);
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | TertiaryModifier);
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | Level4Modifier);
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | CopyModifier);
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | RangeSelectModifier);
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gtk_accelerator_set_default_mod_mask (RelevantModifierKeyMask);
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snooper_id = gtk_key_snooper_install (_snooper, (gpointer) this);
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}
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Keyboard::~Keyboard ()
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{
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gtk_key_snooper_remove (snooper_id);
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}
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XMLNode&
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Keyboard::get_state (void)
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{
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XMLNode* node = new XMLNode ("Keyboard");
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char buf[32];
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snprintf (buf, sizeof (buf), "%d", edit_but);
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node->add_property ("edit-button", buf);
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snprintf (buf, sizeof (buf), "%d", edit_mod);
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node->add_property ("edit-modifier", buf);
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snprintf (buf, sizeof (buf), "%d", delete_but);
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node->add_property ("delete-button", buf);
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snprintf (buf, sizeof (buf), "%d", delete_mod);
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node->add_property ("delete-modifier", buf);
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snprintf (buf, sizeof (buf), "%d", snap_mod);
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node->add_property ("snap-modifier", buf);
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return *node;
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}
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int
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Keyboard::set_state (const XMLNode& node, int /*version*/)
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{
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const XMLProperty* prop;
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if ((prop = node.property ("edit-button")) != 0) {
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sscanf (prop->value().c_str(), "%d", &edit_but);
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}
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if ((prop = node.property ("edit-modifier")) != 0) {
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sscanf (prop->value().c_str(), "%d", &edit_mod);
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}
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if ((prop = node.property ("delete-button")) != 0) {
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sscanf (prop->value().c_str(), "%d", &delete_but);
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}
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if ((prop = node.property ("delete-modifier")) != 0) {
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sscanf (prop->value().c_str(), "%d", &delete_mod);
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}
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if ((prop = node.property ("snap-modifier")) != 0) {
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sscanf (prop->value().c_str(), "%d", &snap_mod);
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}
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return 0;
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}
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gint
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Keyboard::_snooper (GtkWidget *widget, GdkEventKey *event, gpointer data)
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{
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return ((Keyboard *) data)->snooper (widget, event);
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}
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gint
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Keyboard::snooper (GtkWidget *widget, GdkEventKey *event)
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{
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uint32_t keyval;
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bool ret = false;
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#if 0
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cerr << "snoop widget " << widget << " key " << event->keyval << " type: " << event->type
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<< " state " << std::hex << event->state << std::dec
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<< endl;
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#endif
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#if KBD_DEBUG
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if (debug_keyboard) {
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cerr << "snoop widget " << widget << " key " << event->keyval << " type: " << event->type
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<< endl;
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}
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#endif
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if (event->keyval == GDK_Shift_R) {
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keyval = GDK_Shift_L;
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} else if (event->keyval == GDK_Control_R) {
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keyval = GDK_Control_L;
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} else {
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keyval = event->keyval;
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}
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if (event->type == GDK_KEY_PRESS) {
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if (find (state.begin(), state.end(), keyval) == state.end()) {
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state.push_back (keyval);
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sort (state.begin(), state.end());
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} else {
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/* key is already down. if its also used for release,
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prevent auto-repeat events.
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*/
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for (map<AccelKey,two_strings,AccelKeyLess>::iterator k = release_keys.begin(); k != release_keys.end(); ++k) {
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const AccelKey& ak (k->first);
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if (keyval == ak.get_key() && (Gdk::ModifierType)((event->state & Keyboard::RelevantModifierKeyMask) | Gdk::RELEASE_MASK) == ak.get_mod()) {
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cerr << "Suppress auto repeat\n";
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ret = true;
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break;
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}
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}
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}
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} else if (event->type == GDK_KEY_RELEASE) {
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State::iterator i;
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if ((i = find (state.begin(), state.end(), keyval)) != state.end()) {
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state.erase (i);
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sort (state.begin(), state.end());
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}
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for (map<AccelKey,two_strings,AccelKeyLess>::iterator k = release_keys.begin(); k != release_keys.end(); ++k) {
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const AccelKey& ak (k->first);
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two_strings ts (k->second);
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if (keyval == ak.get_key() && (Gdk::ModifierType)((event->state & Keyboard::RelevantModifierKeyMask) | Gdk::RELEASE_MASK) == ak.get_mod()) {
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Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (ts.first.c_str(), ts.second.c_str());
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if (act) {
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act->activate();
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cerr << "use repeat, suppress other\n";
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ret = true;
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}
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break;
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}
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}
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}
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/* Special keys that we want to handle in
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any dialog, no matter whether it uses
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the regular set of accelerators or not
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*/
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if (event->type == GDK_KEY_RELEASE && modifier_state_equals (event->state, PrimaryModifier)) {
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switch (event->keyval) {
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case GDK_w:
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if (current_window) {
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current_window->hide ();
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current_window = 0;
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ret = true;
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}
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break;
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}
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}
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return ret;
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}
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bool
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Keyboard::key_is_down (uint32_t keyval)
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{
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return find (state.begin(), state.end(), keyval) != state.end();
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}
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bool
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Keyboard::enter_window (GdkEventCrossing *, Gtk::Window* win)
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{
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current_window = win;
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return false;
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}
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bool
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Keyboard::leave_window (GdkEventCrossing *ev, Gtk::Window* /*win*/)
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{
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if (ev) {
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switch (ev->detail) {
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case GDK_NOTIFY_INFERIOR:
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if (debug_keyboard) {
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cerr << "INFERIOR crossing ... out\n";
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}
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break;
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case GDK_NOTIFY_VIRTUAL:
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if (debug_keyboard) {
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cerr << "VIRTUAL crossing ... out\n";
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}
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/* fallthru */
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default:
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if (debug_keyboard) {
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cerr << "REAL CROSSING ... out\n";
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cerr << "clearing current target\n";
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}
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state.clear ();
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current_window = 0;
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}
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} else {
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current_window = 0;
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}
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return false;
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}
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void
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Keyboard::set_edit_button (guint but)
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{
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edit_but = but;
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}
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void
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Keyboard::set_edit_modifier (guint mod)
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{
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~edit_mod);
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edit_mod = mod;
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | edit_mod);
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}
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void
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Keyboard::set_delete_button (guint but)
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{
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delete_but = but;
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}
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void
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Keyboard::set_delete_modifier (guint mod)
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{
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~delete_mod);
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delete_mod = mod;
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | delete_mod);
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}
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void
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Keyboard::set_modifier (uint32_t newval, uint32_t& var)
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{
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~var);
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var = newval;
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | var);
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}
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void
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Keyboard::set_snap_modifier (guint mod)
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{
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask & ~snap_mod);
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snap_mod = mod;
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RelevantModifierKeyMask = GdkModifierType (RelevantModifierKeyMask | snap_mod);
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}
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bool
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Keyboard::is_edit_event (GdkEventButton *ev)
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{
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return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
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(ev->button == Keyboard::edit_button()) &&
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((ev->state & RelevantModifierKeyMask) == Keyboard::edit_modifier());
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}
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bool
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Keyboard::is_button2_event (GdkEventButton* ev)
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{
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#ifdef GTKOSX
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return (ev->button == 2) ||
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((ev->button == 1) &&
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((ev->state & Keyboard::button2_modifiers) == Keyboard::button2_modifiers));
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#else
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return ev->button == 2;
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#endif
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}
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bool
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Keyboard::is_delete_event (GdkEventButton *ev)
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{
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return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
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(ev->button == Keyboard::delete_button()) &&
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((ev->state & RelevantModifierKeyMask) == Keyboard::delete_modifier());
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}
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bool
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Keyboard::is_context_menu_event (GdkEventButton *ev)
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{
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return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
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(ev->button == 3) &&
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((ev->state & RelevantModifierKeyMask) == 0);
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}
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bool
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Keyboard::no_modifiers_active (guint state)
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{
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return (state & RelevantModifierKeyMask) == 0;
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}
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bool
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Keyboard::modifier_state_contains (guint state, ModifierMask mask)
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{
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return (state & mask) == (guint) mask;
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}
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bool
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Keyboard::modifier_state_equals (guint state, ModifierMask mask)
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{
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return (state & RelevantModifierKeyMask) == (guint) mask;
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}
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void
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Keyboard::keybindings_changed ()
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{
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if (Keyboard::can_save_keybindings) {
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Keyboard::bindings_changed_after_save_became_legal = true;
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}
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Keyboard::save_keybindings ();
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}
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void
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Keyboard::set_can_save_keybindings (bool yn)
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{
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can_save_keybindings = yn;
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}
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void
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Keyboard::save_keybindings ()
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{
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if (can_save_keybindings && bindings_changed_after_save_became_legal) {
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Gtk::AccelMap::save (user_keybindings_path);
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}
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}
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bool
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Keyboard::load_keybindings (string path)
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{
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try {
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info << "Loading bindings from " << path << endl;
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Gtk::AccelMap::load (path);
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_current_binding_name = _("Unknown");
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for (map<string,string>::iterator x = binding_files.begin(); x != binding_files.end(); ++x) {
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if (path == x->second) {
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_current_binding_name = x->first;
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break;
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}
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}
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} catch (...) {
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error << string_compose (_("Ardour key bindings file not found at \"%1\" or contains errors."), path)
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<< endmsg;
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return false;
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}
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/* now find all release-driven bindings */
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vector<string> groups;
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vector<string> names;
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vector<AccelKey> bindings;
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ActionManager::get_all_actions (groups, names, bindings);
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vector<string>::iterator g;
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vector<AccelKey>::iterator b;
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vector<string>::iterator n;
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release_keys.clear ();
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bool show_bindings = (getenv ("ARDOUR_SHOW_BINDINGS") != 0);
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for (n = names.begin(), b = bindings.begin(), g = groups.begin(); n != names.end(); ++n, ++b, ++g) {
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if (show_bindings) {
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cerr << "Action: " << (*n) << " Group: " << (*g) << " binding = ";
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if ((*b).get_key() != GDK_VoidSymbol) {
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cerr << (*b).get_key() << " w/mod = " << hex << (*b).get_mod() << dec << " = " << (*b).get_abbrev();
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} else {
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cerr << "unbound";
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}
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cerr << endl;
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}
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}
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for (n = names.begin(), b = bindings.begin(), g = groups.begin(); n != names.end(); ++n, ++b, ++g) {
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if ((*b).get_mod() & Gdk::RELEASE_MASK) {
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release_keys.insert (pair<AccelKey,two_strings> (*b, two_strings (*g, *n)));
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}
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}
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return true;
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}
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