gcc can recognize various regexps in comments. Since C++17 provides [[fallthrough]], using /* fallthrough */ consistently seems appropriate until we switch to C++17. see also https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
698 lines
18 KiB
C++
698 lines
18 KiB
C++
/*
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* Copyright (C) 2001-2016 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2011-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2013 Colin Fletcher <colin.m.fletcher@googlemail.com>
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* Copyright (C) 2015-2016 Nick Mainsbridge <mainsbridge@gmail.com>
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* Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2016 Tim Mayberry <mojofunk@gmail.com>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <vector>
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#include <algorithm>
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#include <cerrno>
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#include <ctype.h>
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#include "pbd/gstdio_compat.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/convert.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 "pbd/debug.h"
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#include "pbd/unwind.h"
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#include "gtkmm2ext/actions.h"
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#include "gtkmm2ext/bindings.h"
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#include "gtkmm2ext/keyboard.h"
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#include "gtkmm2ext/debug.h"
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#include "gtkmm2ext/utils.h"
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#include "pbd/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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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::insert_note_but = 1;
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guint Keyboard::insert_note_mod = GDK_CONTROL_MASK;
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#ifdef __APPLE__
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guint Keyboard::PrimaryModifier = GDK_MOD2_MASK; // Command
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guint Keyboard::SecondaryModifier = GDK_CONTROL_MASK; // Control
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guint Keyboard::TertiaryModifier = GDK_SHIFT_MASK; // Shift
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guint Keyboard::Level4Modifier = GDK_MOD1_MASK; // Alt/Option
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guint Keyboard::CopyModifier = GDK_CONTROL_MASK; // Control
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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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const char* Keyboard::primary_modifier_name() { return _("Command"); }
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const char* Keyboard::secondary_modifier_name() { return _("Control"); }
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const char* Keyboard::tertiary_modifier_name() { return S_("Key|Shift"); }
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const char* Keyboard::level4_modifier_name() { return _("Option"); }
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const char* Keyboard::primary_modifier_short_name() { return _("Cmd"); }
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const char* Keyboard::secondary_modifier_short_name() { return _("Ctrl"); }
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const char* Keyboard::tertiary_modifier_short_name() { return S_("Key|Shift"); }
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const char* Keyboard::level4_modifier_short_name() { return _("Opt"); }
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guint Keyboard::snap_mod = Keyboard::Level4Modifier|Keyboard::TertiaryModifier; // XXX this is probably completely wrong
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guint Keyboard::snap_delta_mod = 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|GDK_SUPER_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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const char* Keyboard::primary_modifier_name() { return _("Control"); }
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const char* Keyboard::secondary_modifier_name() { return _("Alt"); }
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const char* Keyboard::tertiary_modifier_name() { return S_("Key|Shift"); }
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const char* Keyboard::level4_modifier_name() { return _("Windows"); }
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const char* Keyboard::primary_modifier_short_name() { return _("Ctrl"); }
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const char* Keyboard::secondary_modifier_short_name() { return _("Alt"); }
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const char* Keyboard::tertiary_modifier_short_name() { return S_("Key|Shift"); }
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const char* Keyboard::level4_modifier_short_name() { return _("Win"); }
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guint Keyboard::snap_mod = Keyboard::SecondaryModifier;
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guint Keyboard::snap_delta_mod = Keyboard::SecondaryModifier|Keyboard::Level4Modifier;
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#endif
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guint Keyboard::GainFineScaleModifier = Keyboard::PrimaryModifier;
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guint Keyboard::GainExtraFineScaleModifier = Keyboard::SecondaryModifier;
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guint Keyboard::ScrollZoomVerticalModifier = Keyboard::SecondaryModifier;
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guint Keyboard::ScrollZoomHorizontalModifier = Keyboard::PrimaryModifier;
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guint Keyboard::ScrollHorizontalModifier = Keyboard::TertiaryModifier;
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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;
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string Keyboard::binding_filename_suffix = X_(".keys");
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Gtk::Window* Keyboard::pre_dialog_active_window = 0;
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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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sigc::signal0<void> Keyboard::RelevantModifierKeysChanged;
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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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_current_binding_name = _("Unknown");
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}
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reset_relevant_modifier_key_mask();
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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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node->set_property ("copy-modifier", CopyModifier);
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node->set_property ("edit-button", edit_but);
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node->set_property ("edit-modifier", edit_mod);
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node->set_property ("delete-button", delete_but);
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node->set_property ("delete-modifier", delete_mod);
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node->set_property ("snap-modifier", snap_mod);
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node->set_property ("snap-delta-modifier", snap_delta_mod);
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node->set_property ("insert-note-button", insert_note_but);
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node->set_property ("insert-note-modifier", insert_note_mod);
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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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node.get_property ("copy-modifier", CopyModifier);
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node.get_property ("edit-button", edit_but);
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node.get_property ("edit-modifier", edit_mod);
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node.get_property ("delete-button", delete_but);
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node.get_property ("delete-modifier", delete_mod);
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node.get_property ("snap-modifier", snap_mod);
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node.get_property ("snap-delta-modifier", snap_delta_mod);
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node.get_property ("insert-note-button", insert_note_but);
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node.get_property ("insert-note-modifier", insert_note_mod);
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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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DEBUG_TRACE (
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DEBUG::Keyboard,
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string_compose (
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"Snoop widget %1 name: [%6] key %2 [%8] type %3 state %4 [%7] magic %5\n",
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widget, event->keyval, event->type, event->state, _some_magic_widget_has_focus,
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gtk_widget_get_name (widget), show_gdk_event_state (event->state), gdk_keyval_name (event->keyval)
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)
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);
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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->state & ScrollZoomVerticalModifier) {
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/* There is a special and rather hacky situation in Editor which makes
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it useful to know when the modifier key for vertical zoom has been
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released, so emit a signal here (see Editor::_stepping_axis_view).
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Note that the state bit for the modifier key is set for the key-up
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event when the modifier is released, but not the key-down when it
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is pressed, so we get here on key-up, which is what we want.
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*/
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ZoomVerticalModifierReleased (); /* EMIT SIGNAL */
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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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#if 0
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/* August 2015: we don't have any release bindings
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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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DEBUG_TRACE (DEBUG::Keyboard, "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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#endif
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}
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}
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if (event->type == GDK_KEY_RELEASE) {
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State::iterator k = find (state.begin(), state.end(), keyval);
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if (k != state.end()) {
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/* this cannot change the ordering, so need to sort */
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state.erase (k);
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if (state.empty()) {
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DEBUG_TRACE (DEBUG::Keyboard, "no keys down\n");
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} else {
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#ifndef NDEBUG
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if (DEBUG_ENABLED(DEBUG::Keyboard)) {
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DEBUG_STR_DECL(a);
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DEBUG_STR_APPEND(a, "keyboard, keys still down: ");
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for (State::iterator i = state.begin(); i != state.end(); ++i) {
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DEBUG_STR_APPEND(a, gdk_keyval_name (*i));
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DEBUG_STR_APPEND(a, ',');
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}
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DEBUG_STR_APPEND(a, '\n');
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DEBUG_TRACE (DEBUG::Keyboard, DEBUG_STR(a).str());
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}
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#endif /* NDEBUG */
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}
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}
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if (modifier_state_equals (event->state, PrimaryModifier)) {
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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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switch (event->keyval) {
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case GDK_w:
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close_current_dialog ();
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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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DEBUG_TRACE (DEBUG::Keyboard, string_compose ("snooper returns %1\n", ret));
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return ret;
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}
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void
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Keyboard::reset_relevant_modifier_key_mask ()
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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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RelevantModifierKeysChanged(); /* EMIT SIGNAL */
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}
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void
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Keyboard::close_current_dialog ()
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{
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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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if (pre_dialog_active_window) {
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pre_dialog_active_window->present ();
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pre_dialog_active_window = 0;
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}
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}
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}
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bool
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Keyboard::catch_user_event_for_pre_dialog_focus (GdkEvent* ev, Gtk::Window* w)
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{
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switch (ev->type) {
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case GDK_BUTTON_PRESS:
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case GDK_BUTTON_RELEASE:
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case GDK_KEY_PRESS:
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case GDK_KEY_RELEASE:
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pre_dialog_active_window = w;
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break;
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case GDK_FOCUS_CHANGE:
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if (ev->focus_change.in) {
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pre_dialog_active_window = w;
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}
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break;
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default:
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break;
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}
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return false;
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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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DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Entering window, title = %1\n", win->get_title()));
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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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DEBUG_TRACE (DEBUG::Keyboard, "INFERIOR crossing ... out\n");
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break;
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case GDK_NOTIFY_VIRTUAL:
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DEBUG_TRACE (DEBUG::Keyboard, "VIRTUAL crossing ... out\n");
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/* fallthrough */
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default:
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DEBUG_TRACE (DEBUG::Keyboard, "REAL crossing ... out\n");
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DEBUG_TRACE (DEBUG::Keyboard, "Clearing current target\n");
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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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DEBUG_TRACE (DEBUG::Keyboard, "LEAVE window without event\n");
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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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bool
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Keyboard::focus_in_window (GdkEventFocus *, Gtk::Window* win)
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{
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current_window = win;
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DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Focusing in window, title = %1\n", win->get_title()));
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return false;
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}
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bool
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Keyboard::focus_out_window (GdkEventFocus * ev, Gtk::Window* win)
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{
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if (ev) {
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state.clear ();
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current_window = 0;
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} else {
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if (win == current_window) {
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current_window = 0;
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}
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}
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DEBUG_TRACE (DEBUG::Keyboard, string_compose ("Foucusing out window, title = %1\n", win->get_title()));
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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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edit_mod = mod;
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reset_relevant_modifier_key_mask();
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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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delete_mod = mod;
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reset_relevant_modifier_key_mask();
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}
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void
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Keyboard::set_insert_note_button (guint but)
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{
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insert_note_but = but;
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}
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void
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Keyboard::set_insert_note_modifier (guint mod)
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{
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insert_note_mod = mod;
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reset_relevant_modifier_key_mask();
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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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var = newval;
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reset_relevant_modifier_key_mask();
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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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snap_mod = mod;
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reset_relevant_modifier_key_mask();
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}
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void
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Keyboard::set_snap_delta_modifier (guint mod)
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{
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snap_delta_mod = mod;
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reset_relevant_modifier_key_mask();
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|
}
|
|
|
|
bool
|
|
Keyboard::is_edit_event (GdkEventButton *ev)
|
|
{
|
|
return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
|
|
(ev->button == Keyboard::edit_button()) &&
|
|
((ev->state & RelevantModifierKeyMask) == Keyboard::edit_modifier());
|
|
}
|
|
|
|
bool
|
|
Keyboard::is_insert_note_event (GdkEventButton *ev)
|
|
{
|
|
return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
|
|
(ev->button == Keyboard::insert_note_button()) &&
|
|
((ev->state & RelevantModifierKeyMask) == Keyboard::insert_note_modifier());
|
|
}
|
|
|
|
bool
|
|
Keyboard::is_button2_event (GdkEventButton* ev)
|
|
{
|
|
#ifdef __APPLE__
|
|
return (ev->button == 2) ||
|
|
((ev->button == 1) &&
|
|
((ev->state & Keyboard::button2_modifiers) == Keyboard::button2_modifiers));
|
|
#else
|
|
return ev->button == 2;
|
|
#endif
|
|
}
|
|
|
|
bool
|
|
Keyboard::is_delete_event (GdkEventButton *ev)
|
|
{
|
|
return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
|
|
(ev->button == Keyboard::delete_button()) &&
|
|
((ev->state & RelevantModifierKeyMask) == Keyboard::delete_modifier());
|
|
}
|
|
|
|
bool
|
|
Keyboard::is_context_menu_event (GdkEventButton *ev)
|
|
{
|
|
return (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_BUTTON_RELEASE) &&
|
|
(ev->button == 3) &&
|
|
((ev->state & RelevantModifierKeyMask) == 0);
|
|
}
|
|
|
|
bool
|
|
Keyboard::no_modifiers_active (guint state)
|
|
{
|
|
return (state & RelevantModifierKeyMask) == 0;
|
|
}
|
|
|
|
bool
|
|
Keyboard::modifier_state_contains (guint state, ModifierMask mask)
|
|
{
|
|
return (state & mask) == (guint) mask;
|
|
}
|
|
|
|
bool
|
|
Keyboard::modifier_state_equals (guint state, ModifierMask mask)
|
|
{
|
|
return (state & RelevantModifierKeyMask) == (guint) mask;
|
|
}
|
|
|
|
void
|
|
Keyboard::keybindings_changed ()
|
|
{
|
|
if (Keyboard::can_save_keybindings) {
|
|
Keyboard::bindings_changed_after_save_became_legal = true;
|
|
}
|
|
|
|
Keyboard::save_keybindings ();
|
|
}
|
|
|
|
void
|
|
Keyboard::set_can_save_keybindings (bool yn)
|
|
{
|
|
can_save_keybindings = yn;
|
|
}
|
|
|
|
void
|
|
Keyboard::save_keybindings ()
|
|
{
|
|
if (can_save_keybindings && bindings_changed_after_save_became_legal) {
|
|
/* Call to specific implementation to save bindings to path */
|
|
store_keybindings (user_keybindings_path);
|
|
}
|
|
}
|
|
|
|
bool
|
|
Keyboard::load_keybindings (string const & path)
|
|
{
|
|
try {
|
|
info << "Loading bindings from " << path << endl;
|
|
|
|
/* Call to specific implementation to load bindings from path */
|
|
read_keybindings (path);
|
|
|
|
_current_binding_name = _("Unknown");
|
|
|
|
for (map<string,string>::iterator x = binding_files.begin(); x != binding_files.end(); ++x) {
|
|
if (path == x->second) {
|
|
_current_binding_name = x->first;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
} catch (...) {
|
|
error << string_compose (_("key bindings file not found at \"%2\" or contains errors."), path)
|
|
<< endmsg;
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
int
|
|
Keyboard::read_keybindings (string const & path)
|
|
{
|
|
XMLTree tree;
|
|
|
|
if (!tree.read (path.c_str())) {
|
|
return -1;
|
|
}
|
|
|
|
/* toplevel node is "BindingSet; children are "Bindings" */
|
|
|
|
XMLNodeList const& children = tree.root()->children();
|
|
|
|
for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
|
|
XMLNode const * child = *i;
|
|
if (child->name() == X_("Bindings")) {
|
|
XMLProperty const* name = child->property (X_("name"));
|
|
if (!name) {
|
|
warning << _("Keyboard binding found without a name") << endmsg;
|
|
continue;
|
|
}
|
|
|
|
Bindings* b = new Bindings (name->value());
|
|
b->load (**i);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
Keyboard::store_keybindings (string const & path)
|
|
{
|
|
XMLNode* node = new XMLNode (X_("BindingSet"));
|
|
XMLNode* bnode;
|
|
int ret = 0;
|
|
|
|
for (list<Bindings*>::const_iterator b = Bindings::bindings.begin(); b != Bindings::bindings.end(); ++b) {
|
|
bnode = new XMLNode (X_("Bindings"));
|
|
bnode->set_property (X_("name"), (*b)->name());
|
|
(*b)->save (*bnode);
|
|
node->add_child_nocopy (*bnode);
|
|
}
|
|
|
|
XMLTree tree;
|
|
tree.set_root (node); /* tree now owns root and will delete it */
|
|
|
|
if (!tree.write (path)) {
|
|
error << string_compose (_("Cannot save key bindings to %1"), path) << endmsg;
|
|
ret = -1;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
Keyboard::reset_bindings ()
|
|
{
|
|
if (Glib::file_test (user_keybindings_path, Glib::FILE_TEST_EXISTS)) {
|
|
|
|
string new_path = user_keybindings_path;
|
|
new_path += ".old";
|
|
|
|
if (::g_rename (user_keybindings_path.c_str(), new_path.c_str())) {
|
|
error << string_compose (_("Cannot rename your own keybinding file (%1)"), strerror (errno)) << endmsg;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
{
|
|
PBD::Unwinder<bool> uw (can_save_keybindings, false);
|
|
Bindings::reset_bindings ();
|
|
setup_keybindings ();
|
|
Bindings::associate_all ();
|
|
}
|
|
|
|
return 0;
|
|
}
|