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livetrax/gtk2_ardour/utils.cc

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/*
* Copyright (C) 2005-2006 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2005-2009 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2005-2018 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2005 Karsten Wiese <fzuuzf@googlemail.com>
* Copyright (C) 2006-2007 Doug McLain <doug@nostar.net>
* Copyright (C) 2006-2009 Sampo Savolainen <v2@iki.fi>
* Copyright (C) 2007-2015 David Robillard <d@drobilla.net>
* Copyright (C) 2007-2015 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2013 John Emmas <john@creativepost.co.uk>
* Copyright (C) 2015 André Nusser <andre.nusser@googlemail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef WAF_BUILD
#include "gtk2ardour-config.h"
#endif
#include <cstdlib>
#include <clocale>
#include <cstring>
#include <cctype>
#include <cmath>
#include <list>
#include <sys/stat.h>
#include <boost/algorithm/string.hpp>
#include <gtk/gtkpaned.h>
#include <gtkmm/combo.h>
#include <gtkmm/label.h>
#include <gtkmm/paned.h>
#include <gtkmm/rc.h>
#include <gtkmm/stock.h>
#include <gtkmm/window.h>
#include "pbd/basename.h"
#include "pbd/file_utils.h"
#include "ardour/auditioner.h"
#include "ardour/audioengine.h"
#include "ardour/filesystem_paths.h"
#include "ardour/search_paths.h"
#include "ardour/triggerbox.h"
#include "gtkmm2ext/colors.h"
#include "gtkmm2ext/utils.h"
#include "canvas/item.h"
#include "actions.h"
#include "context_menu_helper.h"
#include "debug.h"
#include "public_editor.h"
#include "keyboard.h"
#include "utils.h"
#include "pbd/i18n.h"
#include "gui_thread.h"
#include "ui_config.h"
#include "ardour_dialog.h"
#include "ardour_ui.h"
using namespace std;
using namespace Gtk;
using namespace Glib;
using namespace PBD;
using Gtkmm2ext::Keyboard;
namespace ARDOUR_UI_UTILS {
sigc::signal<void> DPIReset;
}
#ifdef PLATFORM_WINDOWS
#define random() rand()
#endif
/** Add an element to a menu, settings its sensitivity.
* @param m Menu to add to.
* @param e Element to add.
* @param s true to make sensitive, false to make insensitive
*/
void
ARDOUR_UI_UTILS::add_item_with_sensitivity (Menu_Helpers::MenuList& m, Menu_Helpers::MenuElem e, bool s)
{
m.push_back (e);
if (!s) {
m.back().set_sensitive (false);
}
}
gint
ARDOUR_UI_UTILS::just_hide_it (GdkEventAny */*ev*/, Gtk::Window *win)
{
win->hide ();
return 0;
}
static bool
idle_notify_engine_stopped ()
{
Glib::RefPtr<ToggleAction> tact = ActionManager::get_toggle_action ("Window", "toggle-audio-midi-setup");
MessageDialog msg (
_("The current operation is not possible because of an error communicating with the audio hardware."),
false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE, true);
msg.add_button (_("Cancel"), Gtk::RESPONSE_CANCEL);
if (tact && !tact->get_active()) {
msg.add_button (_("Configure Hardware"), Gtk::RESPONSE_OK);
}
if (msg.run () == Gtk::RESPONSE_OK) {
tact->set_active ();
}
return false; /* do not call again */
}
bool
ARDOUR_UI_UTILS::engine_is_running ()
{
if (ARDOUR::AudioEngine::instance()->running ()) {
return true;
}
Glib::signal_idle().connect (sigc::ptr_fun (&idle_notify_engine_stopped));
return false;
}
/* xpm2rgb copied from nixieclock, which bore the legend:
nixieclock - a nixie desktop timepiece
Copyright (C) 2000 Greg Ercolano, erco@3dsite.com
and was released under the GPL.
*/
unsigned char*
ARDOUR_UI_UTILS::xpm2rgb (const char** xpm, uint32_t& w, uint32_t& h)
{
static long vals[256], val;
uint32_t t, x, y, colors, cpp;
unsigned char c;
unsigned char *savergb, *rgb;
// PARSE HEADER
if ( sscanf(xpm[0], "%u%u%u%u", &w, &h, &colors, &cpp) != 4 ) {
error << string_compose (_("bad XPM header %1"), xpm[0])
<< endmsg;
return 0;
}
savergb = rgb = (unsigned char*) malloc (h * w * 3);
// LOAD XPM COLORMAP LONG ENOUGH TO DO CONVERSION
for (t = 0; t < colors; ++t) {
sscanf (xpm[t+1], "%c c #%lx", &c, &val);
vals[c] = val;
}
// COLORMAP -> RGB CONVERSION
// Get low 3 bytes from vals[]
//
const char *p;
for (y = h-1; y > 0; --y) {
for (p = xpm[1+colors+(h-y-1)], x = 0; x < w; x++, rgb += 3) {
val = vals[(int)*p++];
*(rgb+2) = val & 0xff; val >>= 8; // 2:B
*(rgb+1) = val & 0xff; val >>= 8; // 1:G
*(rgb+0) = val & 0xff; // 0:R
}
}
return (savergb);
}
unsigned char*
ARDOUR_UI_UTILS::xpm2rgba (const char** xpm, uint32_t& w, uint32_t& h)
{
static long vals[256], val;
uint32_t t, x, y, colors, cpp;
unsigned char c;
unsigned char *savergb, *rgb;
char transparent;
// PARSE HEADER
if ( sscanf(xpm[0], "%u%u%u%u", &w, &h, &colors, &cpp) != 4 ) {
error << string_compose (_("bad XPM header %1"), xpm[0])
<< endmsg;
return 0;
}
savergb = rgb = (unsigned char*) malloc (h * w * 4);
// LOAD XPM COLORMAP LONG ENOUGH TO DO CONVERSION
if (strstr (xpm[1], "None")) {
sscanf (xpm[1], "%c", &transparent);
t = 1;
} else {
transparent = 0;
t = 0;
}
for (; t < colors; ++t) {
sscanf (xpm[t+1], "%c c #%lx", &c, &val);
vals[c] = val;
}
// COLORMAP -> RGB CONVERSION
// Get low 3 bytes from vals[]
//
const char *p;
for (y = h-1; y > 0; --y) {
char alpha;
for (p = xpm[1+colors+(h-y-1)], x = 0; x < w; x++, rgb += 4) {
if (transparent && (*p++ == transparent)) {
alpha = 0;
val = 0;
} else {
alpha = 255;
val = vals[(int)*p];
}
*(rgb+3) = alpha; // 3: alpha
*(rgb+2) = val & 0xff; val >>= 8; // 2:B
*(rgb+1) = val & 0xff; val >>= 8; // 1:G
*(rgb+0) = val & 0xff; // 0:R
}
}
return (savergb);
}
/** Returns a Pango::FontDescription given a string describing the font.
*
* If the returned FontDescription does not specify a family, then
* the family is set to "Sans". This mirrors GTK's behaviour in
* gtkstyle.c.
*
* Some environments will force Pango to specify the family
* even if it was not specified in the string describing the font.
* Such environments should be left unaffected by this function,
* since the font family will be left alone.
*
* There may be other similar font specification enforcement
* that we might add here later.
*/
Pango::FontDescription
ARDOUR_UI_UTILS::sanitized_font (std::string const& name)
{
Pango::FontDescription fd (name);
if (fd.get_family().empty()) {
/* default: "Sans" or "ArdourSans" */
fd.set_family (UIConfiguration::instance ().get_ui_font_family ());
}
return fd;
}
Pango::FontDescription
ARDOUR_UI_UTILS::ardour_font (std::string const& name)
{
Pango::FontDescription fd (name);
if (!fd.get_family().empty() && fd.get_family().find ("Mon") != std::string::npos) {
/* matches "ArdourMono", "Monaco" */
fd.set_family ("ArdourMono");
} else {
fd.set_family ("ArdourSans");
}
return fd;
}
Pango::FontDescription
ARDOUR_UI_UTILS::get_font_for_style (string widgetname)
{
Gtk::Window window (WINDOW_TOPLEVEL);
Gtk::Label foobar;
Glib::RefPtr<Gtk::Style> style;
window.add (foobar);
foobar.set_name (widgetname);
foobar.ensure_style();
style = foobar.get_style ();
Glib::RefPtr<const Pango::Layout> layout = foobar.get_layout();
PangoFontDescription *pfd = const_cast<PangoFontDescription *> (pango_layout_get_font_description(const_cast<PangoLayout *>(layout->gobj())));
if (!pfd) {
/* layout inherited its font description from a PangoContext */
PangoContext* ctxt = (PangoContext*) pango_layout_get_context (const_cast<PangoLayout*>(layout->gobj()));
pfd = pango_context_get_font_description (ctxt);
return Pango::FontDescription (pfd); /* make a copy */
}
return Pango::FontDescription (pfd); /* make a copy */
}
bool
ARDOUR_UI_UTILS::relay_key_press (GdkEventKey* ev, Gtk::Window* win)
{
return ARDOUR_UI::instance()->key_event_handler (ev, win);
}
bool
ARDOUR_UI_UTILS::emulate_key_event (unsigned int keyval)
{
GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET(ARDOUR_UI::instance()->main_window().gobj()));
GdkKeymap *keymap = gdk_keymap_get_for_display (display);
GdkKeymapKey *keymapkey = NULL;
gint n_keys;
if (!gdk_keymap_get_entries_for_keyval(keymap, keyval, &keymapkey, &n_keys)) return false;
if (n_keys !=1) { g_free(keymapkey); return false;}
Gtk::Window& main_window (ARDOUR_UI::instance()->main_window());
GdkEventKey ev;
ev.type = GDK_KEY_PRESS;
ev.window = main_window.get_window()->gobj();
ev.send_event = FALSE;
ev.time = 0;
ev.state = 0;
ev.keyval = keyval;
ev.length = 0;
ev.string = const_cast<gchar*> ("");
ev.hardware_keycode = keymapkey[0].keycode;
ev.group = keymapkey[0].group;
g_free(keymapkey);
relay_key_press (&ev, &main_window);
ev.type = GDK_KEY_RELEASE;
return relay_key_press(&ev, &main_window);
}
Glib::RefPtr<Gdk::Pixbuf>
ARDOUR_UI_UTILS::get_xpm (std::string name)
{
if (!xpm_map[name]) {
Searchpath spath(ARDOUR::ardour_data_search_path());
spath.add_subdirectory_to_paths("pixmaps");
std::string data_file_path;
if(!find_file (spath, name, data_file_path)) {
fatal << string_compose (_("cannot find XPM file for %1"), name) << endmsg;
}
try {
xpm_map[name] = Gdk::Pixbuf::create_from_file (data_file_path);
} catch (const Glib::Error& e) {
warning << "Caught Glib::Error: " << e.what() << endmsg;
}
}
return xpm_map[name];
}
void
ARDOUR_UI_UTILS::get_color_themes (map<std::string,std::string>& themes)
{
Searchpath spath(ARDOUR::theme_search_path());
for (vector<string>::iterator s = spath.begin(); s != spath.end(); ++s) {
vector<string> entries;
find_files_matching_pattern (entries, *s, string ("*") + UIConfiguration::color_file_suffix);
for (vector<string>::iterator e = entries.begin(); e != entries.end(); ++e) {
XMLTree tree;
tree.read ((*e).c_str());
XMLNode* root = tree.root();
if (!root || root->name() != X_("Ardour")) {
continue;
}
XMLProperty const* prop = root->property (X_("theme-name"));
if (!prop) {
continue;
}
std::string color_name = basename_nosuffix(*e);
size_t sep = color_name.find_first_of("-");
if (sep != string::npos) {
color_name = color_name.substr (0, sep);
}
themes.insert (make_pair (prop->value(), color_name));
}
}
}
vector<string>
ARDOUR_UI_UTILS::get_icon_sets ()
{
Searchpath spath(ARDOUR::ardour_data_search_path());
spath.add_subdirectory_to_paths ("icons");
vector<string> r;
r.push_back (_("default"));
for (vector<string>::iterator s = spath.begin(); s != spath.end(); ++s) {
vector<string> entries;
get_paths (entries, *s, false, false);
for (vector<string>::iterator e = entries.begin(); e != entries.end(); ++e) {
if (Glib::file_test (*e, Glib::FILE_TEST_IS_DIR)) {
r.push_back (Glib::filename_to_utf8 (Glib::path_get_basename(*e)));
}
}
}
return r;
}
std::string
ARDOUR_UI_UTILS::get_icon_path (const char* cname, string icon_set, bool is_image)
{
std::string data_file_path;
string name = cname;
if (is_image) {
name += X_(".png");
}
Searchpath spath(ARDOUR::ardour_data_search_path());
if (!icon_set.empty() && icon_set != _("default")) {
/* add "icons/icon_set" but .. not allowed to add both of these at once */
spath.add_subdirectory_to_paths ("icons");
spath.add_subdirectory_to_paths (icon_set);
find_file (spath, name, data_file_path);
} else {
spath.add_subdirectory_to_paths ("icons");
find_file (spath, name, data_file_path);
}
if (data_file_path.empty()) {
Searchpath rc (ARDOUR::ardour_data_search_path());
rc.add_subdirectory_to_paths ("resources");
find_file (rc, name, data_file_path);
}
if (is_image && data_file_path.empty()) {
if (!icon_set.empty() && icon_set != _("default")) {
warning << string_compose (_("icon \"%1\" not found for icon set \"%2\", fallback to default"), cname, icon_set) << endmsg;
}
Searchpath def (ARDOUR::ardour_data_search_path());
def.add_subdirectory_to_paths ("icons");
if (!find_file (def, name, data_file_path)) {
fatal << string_compose (_("cannot find icon image for %1 using %2"), name, spath.to_string()) << endmsg;
abort(); /*NOTREACHED*/
}
}
return data_file_path;
}
Glib::RefPtr<Gdk::Pixbuf>
ARDOUR_UI_UTILS::get_icon (const char* cname, string icon_set)
{
Glib::RefPtr<Gdk::Pixbuf> img;
try {
img = Gdk::Pixbuf::create_from_file (get_icon_path (cname, icon_set));
} catch (const Gdk::PixbufError &e) {
cerr << "Caught PixbufError: " << e.what() << endl;
} catch (...) {
error << string_compose (_("Caught exception while loading icon named %1"), cname) << endmsg;
}
return img;
}
namespace ARDOUR_UI_UTILS {
Glib::RefPtr<Gdk::Pixbuf>
get_icon (const char* cname)
{
Glib::RefPtr<Gdk::Pixbuf> img;
try {
img = Gdk::Pixbuf::create_from_file (get_icon_path (cname));
} catch (const Gdk::PixbufError &e) {
cerr << "Caught PixbufError: " << e.what() << endl;
} catch (...) {
error << string_compose (_("Caught exception while loading icon named %1"), cname) << endmsg;
}
return img;
}
}
string
ARDOUR_UI_UTILS::longest (vector<string>& strings)
{
if (strings.empty()) {
return string ("");
}
vector<string>::iterator longest = strings.begin();
string::size_type longest_length = (*longest).length();
vector<string>::iterator i = longest;
++i;
while (i != strings.end()) {
string::size_type len = (*i).length();
if (len > longest_length) {
longest = i;
longest_length = len;
}
++i;
}
return *longest;
}
bool
ARDOUR_UI_UTILS::key_is_legal_for_numeric_entry (guint keyval)
{
/* we assume that this does not change over the life of the process
*/
static int comma_decimal = -1;
switch (keyval) {
case GDK_period:
case GDK_comma:
if (comma_decimal < 0) {
std::lconv* lc = std::localeconv();
if (strchr (lc->decimal_point, ',') != 0) {
comma_decimal = 1;
} else {
comma_decimal = 0;
}
}
break;
default:
break;
}
switch (keyval) {
case GDK_decimalpoint:
case GDK_KP_Separator:
return true;
case GDK_period:
if (comma_decimal) {
return false;
} else {
return true;
}
break;
case GDK_comma:
if (comma_decimal) {
return true;
} else {
return false;
}
break;
case GDK_minus:
case GDK_plus:
case GDK_0:
case GDK_1:
case GDK_2:
case GDK_3:
case GDK_4:
case GDK_5:
case GDK_6:
case GDK_7:
case GDK_8:
case GDK_9:
case GDK_KP_Add:
case GDK_KP_Subtract:
case GDK_KP_Decimal:
case GDK_KP_0:
case GDK_KP_1:
case GDK_KP_2:
case GDK_KP_3:
case GDK_KP_4:
case GDK_KP_5:
case GDK_KP_6:
case GDK_KP_7:
case GDK_KP_8:
case GDK_KP_9:
case GDK_Return:
case GDK_BackSpace:
case GDK_Delete:
case GDK_KP_Enter:
case GDK_Home:
case GDK_End:
case GDK_Left:
case GDK_Right:
return true;
default:
break;
}
return false;
}
void
ARDOUR_UI_UTILS::resize_window_to_proportion_of_monitor (Gtk::Window* window, int max_width, int max_height)
{
Glib::RefPtr<Gdk::Screen> screen = window->get_screen ();
Gdk::Rectangle monitor_rect;
screen->get_monitor_geometry (0, monitor_rect);
int const w = std::min (int (monitor_rect.get_width() * 0.8), max_width);
int const h = std::min (int (monitor_rect.get_height() * 0.8), max_height);
window->resize (w, h);
}
/** Replace _ with __ in a string; for use with menu item text to make underscores displayed correctly */
string
ARDOUR_UI_UTILS::escape_underscores (string const & s)
{
string o;
string::size_type const N = s.length ();
for (string::size_type i = 0; i < N; ++i) {
if (s[i] == '_') {
o += "__";
} else {
o += s[i];
}
}
return o;
}
Gdk::Color
ARDOUR_UI_UTILS::unique_palette_color (list<Gdk::Color>& used_colors)
{
Gdk::Color newcolor;
string cp = UIConfiguration::instance().get_stripable_color_palette ();
Gdk::ArrayHandle_Color gc = ColorSelection::palette_from_string (cp);
std::vector<Gdk::Color> c (gc);
static std::vector<Gdk::Color>::size_type index = 0;
if (index >= c.size()) {
index = 0;
}
return c[index++];
}
Gdk::Color
ARDOUR_UI_UTILS::unique_random_color (list<Gdk::Color>& used_colors)
{
Gdk::Color newcolor;
while (1) {
double h, s, v;
h = fmod (random(), 360.0);
s = (random() % 65535) / 65535.0;
v = (random() % 65535) / 65535.0;
s = min (0.5, s); /* not too saturated */
v = max (0.9, v); /* not too bright */
newcolor.set_hsv (h, s, v);
if (used_colors.size() == 0) {
used_colors.push_back (newcolor);
return newcolor;
}
for (list<Gdk::Color>::iterator i = used_colors.begin(); i != used_colors.end(); ++i) {
Gdk::Color c = *i;
float rdelta, bdelta, gdelta;
rdelta = newcolor.get_red() - c.get_red();
bdelta = newcolor.get_blue() - c.get_blue();
gdelta = newcolor.get_green() - c.get_green();
if (sqrt (rdelta*rdelta + bdelta*bdelta + gdelta*gdelta) > 25.0) {
/* different enough */
used_colors.push_back (newcolor);
return newcolor;
}
}
/* XXX need throttle here to make sure we don't spin for ever */
}
}
string
ARDOUR_UI_UTILS::rate_as_string (float r)
{
char buf[32];
if (fmod (r, 1000.0f)) {
snprintf (buf, sizeof (buf), "%.1f kHz", r/1000.0);
} else {
snprintf (buf, sizeof (buf), "%.0f kHz", r/1000.0);
}
return buf;
}
string
ARDOUR_UI_UTILS::samples_as_time_string (samplecnt_t s, float rate, bool show_samples)
{
char buf[32];
if (rate <= 0) {
snprintf (buf, sizeof (buf), "--");
} else if (s == 0) {
snprintf (buf, sizeof (buf), "0");
} else if (s < 1000 && show_samples) {
/* 0 .. 999 spl */
snprintf (buf, sizeof (buf), "%" PRId64" spl", s);
} else if (s < (rate / 1000.f)) {
/* 0 .. 999 usec */
snprintf (buf, sizeof (buf), "%.0f \u00B5s", s * 1e+6f / rate);
} else if (s < (rate / 100.f)) {
/* 1.000 .. 9.999 ms */
snprintf (buf, sizeof (buf), "%.3f ms", s * 1e+3f / rate);
} else if (s < (rate / 10.f)) {
/* 1.00 .. 99.99 ms */
snprintf (buf, sizeof (buf), "%.2f ms", s * 1e+3f / rate);
} else if (s < rate) {
/* 100.0 .. 999.9 ms */
snprintf (buf, sizeof (buf), "%.1f ms", s * 1e+3f / rate);
} else if (s < rate * 10.f) {
/* 1.000 s .. 9.999 s */
snprintf (buf, sizeof (buf), "%.3f s", s / rate);
} else if (s < rate * 90.f) {
/* 10.00 s .. 89.99 s */
snprintf (buf, sizeof (buf), "%.2f s", s / rate);
} else {
/* 1m30.0 ... */
snprintf (buf, sizeof (buf), "'%.0fm%.1f", s / (60.f * rate), fmodf (s / rate, 60));
}
buf[31] = '\0';
return buf;
}
string
ARDOUR_UI_UTILS::midi_channels_as_string (std::bitset<16> channels)
{
if (channels.none ()) {
return _("none");
}
string rv;
for (int i = 0; i<16; i++) {
bool prior = i<1 ? false : channels.test(i-1);
bool current = channels.test(i);
bool next = i>14 ? false : channels.test(i+1);
bool nextnext = i>13 ? false : channels.test(i+2);
bool future = false;
for (int f = i+1; f<16; f++) {
if (channels.test(f)) {
future = true;
}
}
if (prior && current && next) {
/* I'm in the middle of a consecutive chain, maybe just add a dash */
if (!rv.empty() && (rv.rfind("-") != rv.length()-1 )) {
rv += "-";
}
continue;
}
if (current) {
/* here I am! */
rv+=to_string<int> (i+1);
}
if (current && future && !(next && nextnext)) {
/* there are channels after me but they are not 3 consecutive; add a comma */
rv += ",";
}
}
return rv;
}
bool
ARDOUR_UI_UTILS::windows_overlap (Gtk::Window *a, Gtk::Window *b)
{
if (!a || !b) {
return false;
}
if (a->get_screen() == b->get_screen()) {
gint ex, ey, ew, eh;
gint mx, my, mw, mh;
a->get_position (ex, ey);
a->get_size (ew, eh);
b->get_position (mx, my);
b->get_size (mw, mh);
GdkRectangle e;
GdkRectangle m;
GdkRectangle r;
e.x = ex;
e.y = ey;
e.width = ew;
e.height = eh;
m.x = mx;
m.y = my;
m.width = mw;
m.height = mh;
if (gdk_rectangle_intersect (&e, &m, &r)) {
return true;
}
}
return false;
}
bool
ARDOUR_UI_UTILS::overwrite_file_dialog (Gtk::Window& parent, string title, string text)
{
ArdourDialog dialog (parent, title, true);
Label label (text);
dialog.get_vbox()->pack_start (label, true, true);
dialog.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
dialog.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
dialog.show_all ();
switch (dialog.run()) {
case RESPONSE_ACCEPT:
return true;
default:
return false;
}
}
bool
ARDOUR_UI_UTILS::running_from_source_tree ()
{
gchar const *x = g_getenv ("ARDOUR_THEMES_PATH");
return x && (string (x).find ("gtk2_ardour") != string::npos);
}
Gtk::Menu*
ARDOUR_UI_UTILS::shared_popup_menu ()
{
return ARDOUR_UI::instance()->shared_popup_menu ();
}
bool
ARDOUR_UI_UTILS::convert_drop_to_paths (vector<string>& paths, const SelectionData& data)
{
vector<string> uris = data.get_uris();
if (uris.empty ()) {
/* This is seriously fucked up. Nautilus doesn't say that its URI lists
* are actually URI lists. So do it by hand.
*/
if (data.get_target() != "text/plain") {
return false;
}
/* Parse the "uri-list" format that Nautilus provides,
* where each pathname is delimited by \r\n.
*
* THERE MAY BE NO NULL TERMINATING CHAR!!!
*/
string txt = data.get_text();
/* copy to char* for easy char-wise checks and modification */
char* tmp = (char *) malloc (txt.length() + 1);
char* p = tmp;
txt.copy (p, txt.length(), 0);
p[txt.length()] = '\0';
while (p) {
if (*p != '#') {
while (g_ascii_isspace (*p)) {
p++;
}
const char* q = p;
while (*q && (*q != '\n') && (*q != '\r')) {
q++;
}
if (q > p) {
--q;
while (q > p && g_ascii_isspace (*q)) {
--q;
}
if (q > p) {
uris.push_back (string (p, q - p + 1));
}
}
}
p = strchr (p, '\n');
if (p) {
++p;
}
}
free ((void*)tmp);
if (uris.empty()) {
return false;
}
}
for (vector<string>::iterator i = uris.begin(); i != uris.end(); ++i) {
if ((*i).substr (0,7) == "file://") {
paths.push_back (Glib::filename_from_uri (*i));
}
}
return !paths.empty ();
}
void
ARDOUR_UI_UTILS::copy_patch_changes (boost::shared_ptr<ARDOUR::Auditioner> a, boost::shared_ptr<ARDOUR::Trigger> t)
{
boost::shared_ptr<ARDOUR::MIDITrigger> mt = boost::dynamic_pointer_cast <ARDOUR::MIDITrigger> (t);
if (!mt || !a) {
return;
}
for (uint8_t c = 0; c < 16; ++c) {
if (a->patch_change (c).is_set()) {
mt->set_patch_change (a->patch_change (c));
} else {
mt->unset_patch_change (c);
}
}
}
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