diff options
author | Taybin Rutkin <taybin@taybin.com> | 2005-09-25 18:42:24 +0000 |
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committer | Taybin Rutkin <taybin@taybin.com> | 2005-09-25 18:42:24 +0000 |
commit | 209d967b1bb80a9735d690d8f4f0455ecb9970ca (patch) | |
tree | 9d76ddcd7c1ac9d91bb2b1a33d31b66ce4ded5de /gtk2_ardour/plugin_ui.cc | |
parent | e4b9aed743fc765219ac775905a221c017c88fba (diff) |
Initial import of gtk2_ardour.
git-svn-id: svn://localhost/trunk/ardour2@24 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'gtk2_ardour/plugin_ui.cc')
-rw-r--r-- | gtk2_ardour/plugin_ui.cc | 933 |
1 files changed, 933 insertions, 0 deletions
diff --git a/gtk2_ardour/plugin_ui.cc b/gtk2_ardour/plugin_ui.cc new file mode 100644 index 0000000000..3932541ebc --- /dev/null +++ b/gtk2_ardour/plugin_ui.cc @@ -0,0 +1,933 @@ +/* + Copyright (C) 2000 Paul Davis + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. + + $Id$ +*/ + +#include <climits> +#include <cerrno> +#include <cmath> +#include <string> + +#include <pbd/stl_delete.h> +#include <pbd/xml++.h> +#include <pbd/failed_constructor.h> + +#include <gtkmmext/click_box.h> +#include <gtkmmext/fastmeter.h> +#include <gtkmmext/slider_controller.h> +#include <gtkmmext/barcontroller.h> +#include <gtkmmext/utils.h> +#include <gtkmmext/doi.h> + +#include <midi++/manager.h> + +#include <ardour/audioengine.h> +#include <ardour/plugin.h> +#include <ardour/insert.h> +#include <ardour/ladspa_plugin.h> +#ifdef VST_SUPPORT +#include <ardour/vst_plugin.h> +#endif + +#include <lrdf.h> + +#include "ardour_ui.h" +#include "prompter.h" +#include "plugin_ui.h" +#include "utils.h" +#include "gui_thread.h" + +#include "i18n.h" + +using namespace std; +using namespace ARDOUR; +using namespace Gtkmmext; +using namespace Gtk; +using namespace SigC; + +PluginUIWindow::PluginUIWindow (AudioEngine &engine, PluginInsert& insert, bool scrollable) + : ArdourDialog ("plugin ui") +{ + if (insert.plugin().has_editor()) { + +#ifdef VST_SUPPORT + + VSTPlugin* vp; + + if ((vp = dynamic_cast<VSTPlugin*> (&insert.plugin())) != 0) { + + + VSTPluginUI* vpu = new VSTPluginUI (insert, *vp); + + _pluginui = vpu; + add (*vpu); + vpu->package (*this); + + } else { +#endif + error << _("unknown type of editor-supplying plugin (note: no VST support in this version of ardour)") + << endmsg; + throw failed_constructor (); +#ifdef VST_SUPPORT + } +#endif + + } else { + + PluginUI* pu = new PluginUI (engine, insert, scrollable); + + _pluginui = pu; + add (*pu); + + map_event.connect (slot (*pu, &PluginUI::start_updating)); + unmap_event.connect (slot (*pu, &PluginUI::stop_updating)); + } + + set_position (GTK_WIN_POS_MOUSE); + set_name ("PluginEditor"); + add_events (GDK_KEY_PRESS_MASK|GDK_KEY_RELEASE_MASK); + + delete_event.connect (bind (slot (just_hide_it), reinterpret_cast<Window*> (this))); + insert.GoingAway.connect (slot (*this, &PluginUIWindow::plugin_going_away)); + + if (scrollable) { + gint h = _pluginui->get_preferred_height (); + if (h > 600) h = 600; + set_default_size (450, h); + } +} + +PluginUIWindow::~PluginUIWindow () +{ +} + +PluginUI::PluginUI (AudioEngine &engine, PluginInsert& pi, bool scrollable) + : PlugUIBase (pi), + engine(engine), + button_table (initial_button_rows, initial_button_cols), + output_table (initial_output_rows, initial_output_cols), + automation_menu (0), + is_scrollable(scrollable) +{ + set_name ("PluginEditor"); + set_border_width (10); + set_homogeneous (false); + + settings_box.set_homogeneous (false); + + HBox* constraint_hbox = manage (new HBox); + HBox* smaller_hbox = manage (new HBox); + + smaller_hbox->pack_start (combo, false, false); + smaller_hbox->pack_start (save_button, false, false); + + constraint_hbox->set_spacing (10); + constraint_hbox->pack_start (*smaller_hbox, true, false); + constraint_hbox->pack_end (bypass_button, false, false); + +// name_ebox.add (*text_hbox); +// info_vbox.pack_start (name_ebox, false, false); +// info_vbox.pack_start (makerinfo_label, false, false); +// info_vbox.pack_start (paraminfo_label, false, false, 5); + +// settings_box.pack_start (info_vbox, false, false, 10); + settings_box.pack_end (*constraint_hbox, false, false); + + pack_start (settings_box, false, false); + + if ( is_scrollable ) { + scroller.set_policy (GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); + scroller.set_name ("PluginEditor"); + scroller_view.set_name("PluginEditor"); + scroller_view.add (hpacker); + scroller.add (scroller_view); + + pack_start (scroller, true, true); + + } + else { + pack_start (hpacker, false, false); + + // this is a hack to get the theme right + name_ebox.set_name ("PluginNameBox"); + } + + insert.active_changed.connect (slot (*this, &PluginUI::redirect_active_changed)); + bypass_button.set_active (!insert.active()); + + build (engine); +} + +PluginUI::~PluginUI () +{ + if (output_controls.size() > 0) { + screen_update_connection.disconnect(); + } +} + +void +PluginUI::build (AudioEngine &engine) + +{ + guint32 i = 0; + guint32 x = 0; + Frame* frame; + Frame* bt_frame; + VBox* box; + char info[32]; + int output_row, output_col; + int button_row, button_col; + int output_rows, output_cols; + int button_rows, button_cols; + guint32 n_ins=0, n_outs = 0; + + prefheight = 30; + hpacker.set_spacing (10); + + output_rows = initial_output_rows; + output_cols = initial_output_cols; + button_rows = initial_button_rows; + button_cols = initial_button_cols; + output_row = 0; + button_row = 0; + output_col = 0; + button_col = 0; + + button_table.set_homogeneous (false); + button_table.set_row_spacings (2); + button_table.set_col_spacings (2); + output_table.set_homogeneous (true); + output_table.set_row_spacings (2); + output_table.set_col_spacings (2); + button_table.set_border_width (5); + output_table.set_border_width (5); + + hpacker.set_border_width (10); + + bt_frame = manage (new Frame); + bt_frame->set_name ("BaseFrame"); + bt_frame->add (button_table); + hpacker.pack_start(*bt_frame, true, true); + + box = manage (new VBox); + frame = manage (new Frame); + frame->set_name ("BaseFrame"); + frame->add (*box); + hpacker.pack_start(*frame, true, true); + + box->set_border_width (5); + box->set_spacing (1); + + /* find all ports. build control elements for all appropriate control ports */ + + for (i = 0; i < plugin.parameter_count(); ++i) { + + if (plugin.parameter_is_control (i)) { + + ControlUI* cui; + + /* if we are scrollable, just use one long column */ + + if (!is_scrollable) { + if (x++ > 7){ + frame = manage (new Frame); + frame->set_name ("BaseFrame"); + box = manage (new VBox); + + box->set_border_width (5); + box->set_spacing (1); + + frame->add (*box); + hpacker.pack_start(*frame,true,true); + + x = 0; + } + } + + /* Don't show latency control ports */ + + if (plugin.describe_parameter (i) == X_("latency")) { + continue; + } + + if ((cui = build_control_ui (engine, i, plugin.get_nth_midi_control (i))) == 0) { + error << compose(_("Plugin Editor: could not build control element for port %1"), i) << endmsg; + continue; + } + + if (cui->control || cui->clickbox || cui->combo) { + + box->pack_start (*cui, false, false); + + } else if (cui->button) { + + if (button_row == button_rows) { + button_row = 0; + if (++button_col == button_cols) { + button_cols += 2; + button_table.resize (button_rows, button_cols); + } + } + + button_table.attach (*cui, button_col, button_col + 1, button_row, button_row+1, + GTK_FILL|GTK_EXPAND, 0); + button_row++; + + } else if (cui->display) { + + if (output_row == output_rows) { + output_row = 0; + if (++output_col == output_cols) { + output_cols += 2; + output_table.resize (output_rows, output_cols); + } + } + + output_table.attach (*cui, output_col, output_col + 1, output_row, output_row+1, + GTK_FILL|GTK_EXPAND, 0); + + output_row++; + } + + /* HACK: ideally the preferred height would be queried from + the complete hpacker, but I can't seem to get that + information in time, so this is an estimation + */ + + prefheight += 30; + + } + } + + n_ins = plugin.get_info().n_inputs; + n_outs = plugin.get_info().n_outputs; + + if (box->children().empty()) { + hpacker.remove (*frame); + } + + if (button_table.children().empty()) { + hpacker.remove (*bt_frame); + } + + if (!output_table.children().empty()) { + frame = manage (new Frame); + frame->set_name ("BaseFrame"); + frame->add (output_table); + hpacker.pack_end (*frame, true, true); + } + + output_update (); + + string pname = plugin.name(); + + if (pname.length() > 24) { + pname = pname.substr (0, 24); + pname += "..."; + ARDOUR_UI::instance()->tooltips().set_tip(name_ebox, plugin.name()); + } + + + nameinfo_label.set_text (pname); + nameinfo_label.set_name ("PluginNameInfo"); + nameinfo_label.set_alignment (0.0, 0.0); + + string maker = plugin.maker(); + string::size_type email_pos; + + if ((email_pos = maker.find_first_of ('<')) != string::npos) { + maker = maker.substr (0, email_pos - 1); + } + + if (maker.length() > 32) { + maker = maker.substr (0, 32); + maker += " ..."; + } + + makerinfo_label.set_text (maker); + makerinfo_label.set_name ("PluginMakerInfo"); + makerinfo_label.set_alignment (0.0, 0.0); + + snprintf (info, sizeof(info),"[ %u %s | %u %s ]", + n_ins, ngettext(_("in"), _("ins"), n_ins), + n_outs, ngettext(_("out"), _("outs"), n_outs)); + paraminfo_label.set_text (info); + paraminfo_label.set_name ("PluginParameterInfo"); + paraminfo_label.set_alignment (0.0, 0.0); + + output_table.show_all (); + button_table.show_all (); +} + +PluginUI::ControlUI::ControlUI () + : automate_button (X_("")) // force creation of a label +{ + automate_button.set_name ("PluginAutomateButton"); + ARDOUR_UI::instance()->tooltips().set_tip (automate_button, + _("automation control")); + + /* don't fix the height, it messes up the bar controllers */ + + set_usize_to_display_given_text (automate_button, X_("longenuff"), 2, -1); + + ignore_change = 0; + display = 0; + button = 0; + control = 0; + clickbox = 0; + adjustment = 0; + meterinfo = 0; +} + +PluginUI::ControlUI::~ControlUI() +{ + if (adjustment) { + delete adjustment; + } + + if (meterinfo) { + delete meterinfo->meter; + delete meterinfo; + } +} + +void +PluginUI::automation_state_changed (ControlUI* cui) +{ + /* update button label */ + + switch (insert.get_port_automation_state (cui->port_index) & (Off|Play|Touch|Write)) { + case Off: + static_cast<Gtk::Label*>(cui->automate_button.get_child())->set_text (_("off")); + break; + case Play: + static_cast<Gtk::Label*>(cui->automate_button.get_child())->set_text (_("play")); + break; + case Write: + static_cast<Gtk::Label*>(cui->automate_button.get_child())->set_text (_("write")); + break; + case Touch: + static_cast<Gtk::Label*>(cui->automate_button.get_child())->set_text (_("touch")); + break; + default: + static_cast<Gtk::Label*>(cui->automate_button.get_child())->set_text (_("???")); + break; + } +} + + +static void integer_printer (char buf[32], Adjustment &adj, void *arg) +{ + snprintf (buf, 32, "%.0f", adj.get_value()); +} + +void +PluginUI::print_parameter (char *buf, uint32_t len, uint32_t param) +{ + plugin.print_parameter (param, buf, len); +} + +PluginUI::ControlUI* +PluginUI::build_control_ui (AudioEngine &engine, guint32 port_index, MIDI::Controllable* mcontrol) + +{ + ControlUI* control_ui; + Plugin::ParameterDescriptor desc; + + plugin.get_parameter_descriptor (port_index, desc); + + control_ui = manage (new ControlUI ()); + control_ui->adjustment = 0; + control_ui->combo = 0; + control_ui->combo_map = 0; + control_ui->port_index = port_index; + control_ui->update_pending = false; + control_ui->label.set_text (desc.label); + control_ui->label.set_alignment (0.0, 0.5); + control_ui->label.set_name ("PluginParameterLabel"); + + control_ui->set_spacing (5); + + if (plugin.parameter_is_input (port_index)) { + + LadspaPlugin* lp; + + if ((lp = dynamic_cast<LadspaPlugin*>(&plugin)) != 0) { + + lrdf_defaults* defaults = lrdf_get_scale_values(lp->unique_id(), port_index); + + if (defaults && defaults->count > 0) { + + control_ui->combo = new Gtk::Combo; + control_ui->combo->set_value_in_list(true, false); + control_ui->combo->set_popdown_strings(setup_scale_values(port_index, control_ui)); + control_ui->combo->get_popwin()->unmap_event.connect(bind (slot (*this, &PluginUI::control_combo_changed), control_ui)); + plugin.ParameterChanged.connect (bind (slot (*this, &PluginUI::parameter_changed), control_ui)); + control_ui->pack_start(control_ui->label, true, true); + control_ui->pack_start(*control_ui->combo, false, true); + + update_control_display(control_ui); + + lrdf_free_setting_values(defaults); + return control_ui; + } + } + + if (desc.toggled) { + + /* Build a button */ + + control_ui->button = manage (new ToggleButton ()); + control_ui->button->set_name ("PluginEditorButton"); + control_ui->button->set_usize (20, 20); + + control_ui->pack_start (control_ui->label, true, true); + control_ui->pack_start (*control_ui->button, false, true); + control_ui->pack_start (control_ui->automate_button, false, false); + + control_ui->button->clicked.connect (bind (slot (*this, &PluginUI::control_port_toggled), control_ui)); + + if(plugin.get_parameter (port_index) == 1){ + control_ui->button->set_active(true); + } + + return control_ui; + } + + control_ui->adjustment = new Adjustment (0, 0, 0, 0, 0); + + /* XXX this code is not right yet, because it doesn't handle + the absence of bounds in any sensible fashion. + */ + + control_ui->adjustment->set_lower (desc.lower); + control_ui->adjustment->set_upper (desc.upper); + + control_ui->logarithmic = desc.logarithmic; + if (control_ui->logarithmic) { + if (control_ui->adjustment->get_lower() == 0.0) { + control_ui->adjustment->set_lower (control_ui->adjustment->get_upper()/10000); + } + control_ui->adjustment->set_upper (log(control_ui->adjustment->get_upper())); + control_ui->adjustment->set_lower (log(control_ui->adjustment->get_lower())); + } + + float delta = desc.upper - desc.lower; + + control_ui->adjustment->set_page_size (delta/100.0); + control_ui->adjustment->set_step_increment (desc.step); + control_ui->adjustment->set_page_increment (desc.largestep); + + if (desc.integer_step) { + control_ui->clickbox = new ClickBox (control_ui->adjustment, "PluginUIClickBox"); + Gtkmmext::set_usize_to_display_given_text (*control_ui->clickbox, "g9999999", 2, 2); + control_ui->clickbox->set_print_func (integer_printer, 0); + } else { +// control_ui->control = new HSliderController (ARDOUR_UI::instance()->plugin_ui_slider_pix(), +// control_ui->adjustment, +// mcontrol); + + SigC::Slot2<void,char*,uint32_t> pslot = SigC::bind (slot (*this, &PluginUI::print_parameter), (uint32_t) port_index); + + control_ui->control = new BarController (*control_ui->adjustment, mcontrol, pslot); + control_ui->control->set_usize (200, 15); + control_ui->control->set_name (X_("PluginSlider")); + control_ui->control->set_style (BarController::LeftToRight); + control_ui->control->set_use_parent (true); + + control_ui->control->get_spin_button().focus_in_event.connect (slot (*this, &PluginUI::entry_focus_event)); + control_ui->control->get_spin_button().focus_out_event.connect (slot (*this, &PluginUI::entry_focus_event)); + + control_ui->control->StartGesture.connect (bind (slot (*this, &PluginUI::start_touch), control_ui)); + control_ui->control->StopGesture.connect (bind (slot (*this, &PluginUI::stop_touch), control_ui)); + + } + + if (control_ui->logarithmic) { + control_ui->adjustment->set_value(log(plugin.get_parameter(port_index))); + } else{ + control_ui->adjustment->set_value(plugin.get_parameter(port_index)); + } + + /* XXX memory leak: SliderController not destroyed by ControlUI + destructor, and manage() reports object hierarchy + ambiguity. + */ + + control_ui->pack_start (control_ui->label, true, true); + if (desc.integer_step) { + control_ui->pack_start (*control_ui->clickbox, false, false); + } else { + control_ui->pack_start (*control_ui->control, false, false); + } + + control_ui->pack_start (control_ui->automate_button, false, false); + control_ui->adjustment->value_changed.connect (bind (slot (*this, &PluginUI::control_adjustment_changed), control_ui)); + control_ui->automate_button.clicked.connect (bind (slot (*this, &PluginUI::astate_clicked), control_ui, (uint32_t) port_index)); + + automation_state_changed (control_ui); + + plugin.ParameterChanged.connect (bind (slot (*this, &PluginUI::parameter_changed), control_ui)); + insert.automation_list (port_index).automation_state_changed.connect + (bind (slot (*this, &PluginUI::automation_state_changed), control_ui)); + + } else if (plugin.parameter_is_output (port_index)) { + + control_ui->display = manage (new EventBox); + control_ui->display->set_name ("ParameterValueDisplay"); + + control_ui->display_label = manage (new Label); + control_ui->display_label->set_name ("ParameterValueDisplay"); + + control_ui->display->add (*control_ui->display_label); + Gtkmmext::set_usize_to_display_given_text (*control_ui->display, "g999999", 2, 2); + + control_ui->display->show_all (); + + /* set up a meter */ + /* TODO: only make a meter if the port is Hinted for it */ + + MeterInfo * info = new MeterInfo(port_index); + control_ui->meterinfo = info; + + info->meter = new FastMeter (100, 5, FastMeter::Horizontal); + + info->min_unbound = desc.min_unbound; + info->max_unbound = desc.max_unbound; + + info->min = desc.lower; + info->max = desc.upper; + + control_ui->vbox = manage (new VBox); + + control_ui->vbox->pack_start (control_ui->label, false, false); + control_ui->vbox->pack_start (*info->meter, false, false); + + control_ui->pack_start (*control_ui->vbox, false, false); + control_ui->pack_start (*control_ui->display, false, false); + + control_ui->meterinfo->meter->show_all(); + control_ui->meterinfo->packed = true; + + output_controls.push_back (control_ui); + } + + plugin.ParameterChanged.connect (bind (slot (*this, &PluginUI::parameter_changed), control_ui)); + return control_ui; +} + +void +PluginUI::start_touch (PluginUI::ControlUI* cui) +{ + insert.automation_list (cui->port_index).start_touch (); +} + +void +PluginUI::stop_touch (PluginUI::ControlUI* cui) +{ + insert.automation_list (cui->port_index).stop_touch (); +} + +void +PluginUI::astate_clicked (ControlUI* cui, uint32_t port) +{ + using namespace Menu_Helpers; + + if (automation_menu == 0) { + automation_menu = manage (new Menu); + automation_menu->set_name ("ArdourContextMenu"); + } + + MenuList& items (automation_menu->items()); + + items.clear (); + items.push_back (MenuElem (_("off"), + bind (slot (*this, &PluginUI::set_automation_state), (AutoState) Off, cui))); + items.push_back (MenuElem (_("play"), + bind (slot (*this, &PluginUI::set_automation_state), (AutoState) Play, cui))); + items.push_back (MenuElem (_("write"), + bind (slot (*this, &PluginUI::set_automation_state), (AutoState) Write, cui))); + items.push_back (MenuElem (_("touch"), + bind (slot (*this, &PluginUI::set_automation_state), (AutoState) Touch, cui))); + + automation_menu->popup (1, 0); +} + +void +PluginUI::set_automation_state (AutoState state, ControlUI* cui) +{ + insert.set_port_automation_state (cui->port_index, state); +} + +void +PluginUI::control_adjustment_changed (ControlUI* cui) +{ + if (cui->ignore_change) { + return; + } + + double value = cui->adjustment->get_value(); + + if (cui->logarithmic) { + value = exp(value); + } + + insert.set_parameter (cui->port_index, (float) value); +} + +void +PluginUI::parameter_changed (uint32_t abs_port_id, float val, ControlUI* cui) +{ + if (cui->port_index == abs_port_id) { + if (!cui->update_pending) { + cui->update_pending = true; + Gtkmmext::UI::instance()->call_slot (bind (slot (*this, &PluginUI::update_control_display), cui)); + } + } +} + +void +PluginUI::update_control_display (ControlUI* cui) +{ + /* XXX how do we handle logarithmic stuff here ? */ + + cui->update_pending = false; + + float val = plugin.get_parameter (cui->port_index); + + cui->ignore_change++; + if (cui->combo) { + map<string,float>::iterator it; + for (it = cui->combo_map->begin(); it != cui->combo_map->end(); ++it) { + if (it->second == val) { + cui->combo->get_entry()->set_text(it->first); + break; + } + } + } else if (cui->adjustment == 0) { + + if (val > 0.5) { + cui->button->set_active (true); + } else { + cui->button->set_active (false); + } + + } else { + if (cui->logarithmic) { + val = log(val); + } + if (val != cui->adjustment->get_value()) { + cui->adjustment->set_value (val); + } + } + cui->ignore_change--; +} + +void +PluginUI::control_port_toggled (ControlUI* cui) +{ + if (!cui->ignore_change) { + insert.set_parameter (cui->port_index, cui->button->get_active()); + } +} + +gint +PluginUI::control_combo_changed (GdkEventAny* ignored, ControlUI* cui) +{ + if (!cui->ignore_change) { + string value = cui->combo->get_entry()->get_text(); + map<string,float> mapping = *cui->combo_map; + insert.set_parameter (cui->port_index, mapping[value]); + } + + return FALSE; +} + +void +PluginUIWindow::plugin_going_away (ARDOUR::Redirect* ignored) +{ + ENSURE_GUI_THREAD(bind (slot (*this, &PluginUIWindow::plugin_going_away), ignored)); + + _pluginui->stop_updating(0); + delete_when_idle (this); +} + +gint +PluginUI::entry_focus_event (GdkEventFocus* ev) +{ + if (ev->in) { + ARDOUR_UI::instance()->allow_focus (true); + } else { + ARDOUR_UI::instance()->allow_focus (false); + } + return TRUE; +} + +void +PluginUI::redirect_active_changed (Redirect* r, void* src) +{ + ENSURE_GUI_THREAD(bind (slot (*this, &PluginUI::redirect_active_changed), r, src)); + + bypass_button.set_active (!r->active()); +} + +gint +PluginUI::start_updating (GdkEventAny *ev) +{ + if (output_controls.size() > 0 ) { + screen_update_connection.disconnect(); + screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect + (slot (*this, &PluginUI::output_update)); + } + return FALSE; +} + +gint +PluginUI::stop_updating (GdkEventAny *ev) +{ + if (output_controls.size() > 0 ) { + screen_update_connection.disconnect(); + } + return FALSE; +} + +void +PluginUI::output_update () +{ + for (vector<ControlUI*>::iterator i = output_controls.begin(); i != output_controls.end(); ++i) { + float val = plugin.get_parameter ((*i)->port_index); + char buf[32]; + snprintf (buf, sizeof(buf), "%.2f", val); + (*i)->display_label->set_text (buf); + + /* autoscaling for the meter */ + if ((*i)->meterinfo && (*i)->meterinfo->packed) { + + if (val < (*i)->meterinfo->min) { + if ((*i)->meterinfo->min_unbound) + (*i)->meterinfo->min = val; + else + val = (*i)->meterinfo->min; + } + + if (val > (*i)->meterinfo->max) { + if ((*i)->meterinfo->max_unbound) + (*i)->meterinfo->max = val; + else + val = (*i)->meterinfo->max; + } + + if ((*i)->meterinfo->max > (*i)->meterinfo->min ) { + float lval = (val - (*i)->meterinfo->min) / ((*i)->meterinfo->max - (*i)->meterinfo->min) ; + (*i)->meterinfo->meter->set (lval ); + } + } + } +} + +list<string> +PluginUI::setup_scale_values(guint32 port_index, ControlUI* cui) +{ + list<string> enums; + LadspaPlugin* lp = dynamic_cast<LadspaPlugin*> (&plugin); + + cui->combo_map = new map<string, float>; + lrdf_defaults* defaults = lrdf_get_scale_values(lp->unique_id(), port_index); + if (defaults) { + for (uint32_t i = 0; i < defaults->count; ++i) { + enums.push_back(defaults->items[i].label); + pair<string, float> newpair; + newpair.first = defaults->items[i].label; + newpair.second = defaults->items[i].value; + cui->combo_map->insert(newpair); + } + + lrdf_free_setting_values(defaults); + } + + return enums; +} + +PlugUIBase::PlugUIBase (PluginInsert& pi) + : insert (pi), + plugin (insert.plugin()), + save_button(_("save")), + bypass_button (_("bypass")) +{ + combo.set_value_in_list(true,true); + combo.set_use_arrows(true); + combo.set_use_arrows_always(true); + combo.set_popdown_strings(plugin.get_presets()); + combo.get_entry()->set_text(""); + combo.get_popwin()->unmap_event.connect(slot (*this, &PlugUIBase::setting_selected)); + + save_button.set_name ("PluginSaveButton"); + save_button.clicked.connect(slot (*this, &PlugUIBase::save_plugin_setting)); + + bypass_button.set_name ("PluginBypassButton"); + bypass_button.toggled.connect (slot (*this, &PlugUIBase::bypass_toggled)); +} + +gint +PlugUIBase::setting_selected(GdkEventAny* ignored) +{ + Entry* entry = combo.get_entry(); + if (entry->get_text().length() > 0) { + if (!plugin.load_preset(entry->get_text())) { + warning << compose(_("Plugin preset %1 not found"), entry->get_text()) << endmsg; + } + } + + return FALSE; +} + +void +PlugUIBase::save_plugin_setting () +{ + ArdourPrompter prompter (true); + prompter.set_prompt(_("Name for plugin settings:")); + + prompter.show_all(); + prompter.done.connect(Main::quit.slot()); + + Main::run(); + + if (prompter.status == Gtkmmext::Prompter::entered) { + string name; + + prompter.get_result(name); + + if (name.length()) { + if(plugin.save_preset(name)){ + combo.set_popdown_strings(plugin.get_presets()); + combo.get_entry()->set_text(name); + } + } + } +} + +void +PlugUIBase::bypass_toggled () +{ + bool x; + + if ((x = bypass_button.get_active()) == insert.active()) { + insert.set_active (!x, this); + } +} + |