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/* |
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Copyright (c) MMXX Christian Schoenebeck |
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|
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This file is part of "gigedit" and released under the terms of the |
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GNU General Public License version 2. |
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*/ |
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|
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#include "ScriptPatchVars.h" |
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|
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#define YELLOW "#c4950c" |
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#define MAGENTA "#790cc4" |
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#define LITE_GRAY "#bababa" |
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|
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// Gtk treeview C callback if backspace key is hit while treeview has focus. |
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static gboolean onSelectCursorParent(GtkTreeView* treeview, gpointer userdata) { |
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ScriptPatchVars* self = (ScriptPatchVars*) userdata; |
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|
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// This is a hack to prevent treeview from performing implied behaviour on |
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// backspace key event. By default Gtk::TreeView would change current |
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// selection whenever the user hits the backspace key (that is by navigating |
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// to current node's parent). We don't want treeview doing that, since it |
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// would prevent our custom backspace key handling (for reverting overridden |
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// patch variables to their default value) from working correctly, because |
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// our code relies on treeview's 'current selection' which would change |
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// before our handler is triggered. Unfortunately there is currently no |
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// official or cleaner way to prevent treeview from ignoring backspace key |
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// events than the following hack. |
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self->grab_focus(); |
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|
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// Our key event handler would not be triggered automatically in this case, |
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// so just call our handler directly instead. |
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self->deleteSelectedRows(); |
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|
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return false; |
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} |
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|
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ScriptPatchVars::ScriptPatchVars() : |
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m_ignoreTreeViewValueChange(false), m_instrument(NULL), m_editing(false) |
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{ |
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// create treeview (including its data model) |
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m_treeStore = VarsTreeStore::create(m_treeModel); |
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m_treeView.set_model(m_treeStore); |
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m_treeView.get_selection()->set_mode(Gtk::SELECTION_MULTIPLE); |
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{ |
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Gtk::CellRendererText* cellrenderer = Gtk::manage(new Gtk::CellRendererText()); |
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m_treeView.append_column(_("Name"), *cellrenderer); |
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m_treeView.get_column(0)->add_attribute(cellrenderer->property_markup(), m_treeModel.m_col_name); |
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} |
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m_treeView.append_column(_("Type"), m_treeModel.m_col_type); |
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Gtk::TreeViewColumn* valueColumn = new Gtk::TreeViewColumn(_("Value")); |
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valueColumn->pack_start(m_valueCellRenderer); |
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m_treeView.append_column(*valueColumn); |
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{ |
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Gtk::TreeView::Column* column = valueColumn; |
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column->add_attribute(m_valueCellRenderer.property_markup(), |
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m_treeModel.m_col_value); |
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column->add_attribute(m_valueCellRenderer.property_has_entry(), |
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m_treeModel.m_col_allowTextEntry); |
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column->add_attribute(m_valueCellRenderer.property_editable(), |
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m_treeModel.m_col_editable); |
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column->add_attribute(m_valueCellRenderer.property_model(), |
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m_treeModel.m_col_options); |
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} |
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m_valueCellRenderer.property_text_column() = 0; |
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m_valueCellRenderer.signal_edited().connect( |
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sigc::mem_fun(*this, &ScriptPatchVars::onValueCellEdited) |
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); |
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{ |
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Gtk::TreeViewColumn* column = m_treeView.get_column(0); |
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Gtk::CellRendererText* cellrenderer = |
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dynamic_cast<Gtk::CellRendererText*>(column->get_first_cell()); |
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column->add_attribute(cellrenderer->property_foreground(), m_treeModel.m_col_name_color); |
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column->add_attribute(cellrenderer->property_weight(), m_treeModel.m_col_name_weight); |
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} |
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{ |
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Gtk::TreeViewColumn* column = m_treeView.get_column(1); |
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Gtk::CellRendererText* cellrenderer = |
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dynamic_cast<Gtk::CellRendererText*>(column->get_first_cell()); |
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cellrenderer->property_foreground().set_value(LITE_GRAY); |
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} |
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{ |
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Gtk::TreeViewColumn* column = m_treeView.get_column(2); |
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Gtk::CellRendererText* cellrenderer = |
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dynamic_cast<Gtk::CellRendererText*>(column->get_first_cell()); |
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column->add_attribute(cellrenderer->property_foreground(), m_treeModel.m_col_value_color); |
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column->add_attribute(cellrenderer->property_weight(), m_treeModel.m_col_value_weight); |
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cellrenderer->signal_editing_started().connect( |
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[this](Gtk::CellEditable*, const Glib::ustring&) { |
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m_editing = true; |
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} |
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); |
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cellrenderer->signal_editing_canceled().connect([this]{ |
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m_editing = false; |
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}); |
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} |
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m_treeView.set_headers_visible(true); |
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m_treeView.get_selection()->signal_changed().connect( |
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sigc::mem_fun(*this, &ScriptPatchVars::onTreeViewSelectionChanged) |
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); |
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#if GTKMM_MAJOR_VERSION > 3 || (GTKMM_MAJOR_VERSION == 3 && (GTKMM_MINOR_VERSION > 91 || (GTKMM_MINOR_VERSION == 91 && GTKMM_MICRO_VERSION >= 2))) // GTKMM >= 3.91.2 |
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m_treeView.signal_key_release_event().connect |
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#else |
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m_treeView.signal_key_release_event().connect_notify |
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#endif |
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( |
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sigc::mem_fun(*this, &ScriptPatchVars::onTreeViewKeyRelease) |
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); |
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//m_treeView.set_activate_on_single_click(true); |
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m_treeView.signal_row_activated().connect( |
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[this](const Gtk::TreeModel::Path& path, Gtk::TreeViewColumn* column) { |
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// open script source code editor for double clicked script title row |
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Gtk::TreeModel::iterator iter = m_treeStore->get_iter(path); |
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Gtk::TreeModel::Row row = *iter; |
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gig::Script* script = row[m_treeModel.m_col_script]; |
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if (!script || row[m_treeModel.m_col_value] != "���") return; |
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signal_edit_script.emit(script); |
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} |
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); |
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m_treeView.set_has_tooltip(true); |
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m_treeView.signal_query_tooltip().connect( |
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sigc::mem_fun(*this, &ScriptPatchVars::onQueryTreeViewTooltip) |
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); |
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// this signal does not exist in the gtkmm C++ TreeView class, so use C API |
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g_signal_connect(G_OBJECT(m_treeView.gobj()), "select-cursor-parent", G_CALLBACK(onSelectCursorParent), this); |
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m_treeStore->signal_row_changed().connect( |
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sigc::mem_fun(*this, &ScriptPatchVars::onTreeViewRowChanged) |
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); |
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|
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/* FIXME: This was an attempt to prevent Gtk's treeview from reacting on |
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backspace key event to prevent undesired navigation change by |
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treeview. Didn't work out for some reason. |
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{ |
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GtkWidget* widget = gtk_tree_view_new(); |
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GtkTreeViewClass* klass = GTK_TREE_VIEW_GET_CLASS(widget); |
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GtkBindingSet* bindingSet = gtk_binding_set_by_class(klass); |
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gtk_binding_entry_remove(bindingSet, GDK_KEY_BackSpace, (GdkModifierType) 0); |
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gtk_binding_entry_remove(bindingSet, GDK_KEY_BackSpace, GDK_CONTROL_MASK); |
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gtk_widget_destroy(widget); |
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} |
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*/ |
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|
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// scroll view setup |
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add(m_treeView); |
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set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC); |
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|
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#if HAS_GTKMM_SHOW_ALL_CHILDREN |
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show_all_children(); |
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#endif |
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} |
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|
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static std::map<std::string,std::string> getDefaultValues(gig::Script* script) { |
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std::map<std::string,std::string> vars; |
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LinuxSampler::ScriptVM* vm = LinuxSampler::ScriptVMFactory::Create("gig"); |
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LinuxSampler::VMParserContext* ctx = vm->loadScript( |
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script->GetScriptAsText(), std::map<String,String>(), &vars |
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); |
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if (ctx) delete ctx; |
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if (vm) delete vm; |
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return vars; |
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} |
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|
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struct PatchVar { |
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LinuxSampler::optional<std::string> defaultValue; |
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LinuxSampler::optional<std::string> overrideValue; |
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|
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std::string value() const { |
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if (overrideValue) return *overrideValue; |
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if (defaultValue) return *defaultValue; |
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return ""; |
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} |
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|
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bool isObsolete() const { |
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return overrideValue && !defaultValue; |
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} |
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}; |
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|
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static std::map<std::string,PatchVar> getPatchVars(gig::Instrument* instrument, int iScriptSlot) { |
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std::map<std::string,PatchVar> vars; |
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gig::Script* script = instrument->GetScriptOfSlot(iScriptSlot); |
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if (!script) return vars; |
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std::map<std::string,std::string> defaultValues = getDefaultValues(script); |
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for (const auto& var : defaultValues) { |
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vars[var.first].defaultValue = (std::string) trim(var.second); |
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} |
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std::map<std::string,std::string> overriddenValues = |
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instrument->GetScriptPatchVariables(iScriptSlot); |
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for (const auto& var : overriddenValues) { |
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vars[var.first].overrideValue = var.second; |
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} |
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return vars; |
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} |
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|
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static std::string varTypeStr(const std::string& varName) { |
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if (varName.length() >= 1) { |
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const char c = varName[0]; |
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switch (c) { |
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case '$': return "Integer"; |
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case '%': return "Integer Array"; |
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case '~': return "Real"; |
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case '?': return "Real Array"; |
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case '@': return "String"; |
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case '!': return "String Array"; |
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} |
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} |
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return ""; |
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} |
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|
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void ScriptPatchVars::buildTreeViewVar(const Gtk::TreeModel::Row& parentRow, |
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int iScriptSlot, gig::Script* script, |
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const std::string name, |
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const struct PatchVar* var) |
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{ |
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#if GTKMM_MAJOR_VERSION > 3 || (GTKMM_MAJOR_VERSION == 3 && GTKMM_MINOR_VERSION > 24) |
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//HACK: on GTKMM 3.9x append() below requires TreeNodeChildren, parentRow.children() returns TreeNodeConstChildren though, probably going to be fixed before final GTKMM4 release though. |
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const Gtk::TreeNodeConstChildren& children = parentRow.children(); |
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Gtk::TreeNodeChildren* const pChildren = (Gtk::TreeNodeChildren* const) &children; |
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Gtk::TreeModel::iterator iterRow = m_treeStore->append(*pChildren); |
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#else |
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Gtk::TreeModel::iterator iterRow = m_treeStore->append(parentRow.children()); |
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#endif |
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Gtk::TreeModel::Row row = *iterRow; |
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row[m_treeModel.m_col_name] = name; |
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row[m_treeModel.m_col_name_color] = (var->isObsolete()) ? "red" : MAGENTA; |
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if (var->overrideValue) |
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row[m_treeModel.m_col_name_weight] = PANGO_WEIGHT_BOLD; |
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row[m_treeModel.m_col_type] = varTypeStr(name) + " Variable"; |
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row[m_treeModel.m_col_slot] = iScriptSlot; |
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row[m_treeModel.m_col_value] = var->value(); |
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row[m_treeModel.m_col_value_color] = |
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(var->isObsolete()) ? "red" : (var->overrideValue) ? YELLOW : "gray"; |
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row[m_treeModel.m_col_value_tooltip] = |
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(var->overrideValue && var->defaultValue) ? |
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std::string("Default: ") + *var->defaultValue : ""; |
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if (var->overrideValue) |
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row[m_treeModel.m_col_value_weight] = PANGO_WEIGHT_BOLD; |
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row[m_treeModel.m_col_allowTextEntry] = true; |
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row[m_treeModel.m_col_editable] = true; |
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row[m_treeModel.m_col_script] = script; |
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|
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//TODO: syntax highlighting for values like e.g.: |
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//row[m_treeModel.m_col_value] = "4<span foreground='#50BC00'>s</span>"; |
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//row[m_treeModel.m_col_value] = "0.3<span foreground='#50BC00'>s</span>"; |
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//row[m_treeModel.m_col_value] = "-6.3<span foreground='black'>d</span><span foreground='#50BC00'>B</span>"; |
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|
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//TODO: in future we might add combo boxes for certain value selections |
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// (would probably require some kind of NKSP language extension first) |
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//const char** allKeys = gig::enumKeys(object.type().customTypeName()); |
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//if (allKeys) { |
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// Glib::RefPtr<Gtk::ListStore> refOptions = createComboOptions(allKeys); |
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// row[m_treeModelMacro.m_col_options] = refOptions; |
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//} |
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//Glib::RefPtr<Gtk::ListStore> refOptions = createComboOptions(_boolOptions); |
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//row[m_treeModelMacro.m_col_options] = refOptions; |
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} |
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|
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void ScriptPatchVars::buildTreeViewSlot(const Gtk::TreeModel::Row& parentRow, int iScriptSlot) { |
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#if GTKMM_MAJOR_VERSION > 3 || (GTKMM_MAJOR_VERSION == 3 && GTKMM_MINOR_VERSION > 24) |
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//HACK: on GTKMM 3.9x append() below requires TreeNodeChildren, parentRow.children() returns TreeNodeConstChildren though, probably going to be fixed before final GTKMM4 release though. |
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const Gtk::TreeNodeConstChildren& children = parentRow.children(); |
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Gtk::TreeNodeChildren* const pChildren = (Gtk::TreeNodeChildren* const) &children; |
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Gtk::TreeModel::iterator iterRow = m_treeStore->append(*pChildren); |
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#else |
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Gtk::TreeModel::iterator iterRow = m_treeStore->append(parentRow.children()); |
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#endif |
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gig::Script* pScript = m_instrument->GetScriptOfSlot(iScriptSlot); |
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|
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Gtk::TreeModel::Row row = *iterRow; |
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row[m_treeModel.m_col_name] = pScript->Name + " <sup>Slot " + ToString(iScriptSlot+1) + "</sup>"; |
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row[m_treeModel.m_col_name_weight] = PANGO_WEIGHT_BOLD; |
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row[m_treeModel.m_col_type] = "Script"; |
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row[m_treeModel.m_col_value] = "���"; // make user visually aware that he might access script's source code here |
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row[m_treeModel.m_col_slot] = -1; |
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row[m_treeModel.m_col_allowTextEntry] = false; |
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row[m_treeModel.m_col_editable] = false; |
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row[m_treeModel.m_col_script] = pScript; |
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row[m_treeModel.m_col_value_tooltip] = _("Double click or hit ��� to open script code editor."); |
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|
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std::map<std::string,PatchVar> vars = getPatchVars(m_instrument, iScriptSlot); |
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for (const auto& var : vars) { |
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buildTreeViewVar(row, iScriptSlot, pScript, var.first, &var.second); |
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} |
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} |
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|
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void ScriptPatchVars::reloadTreeView() { |
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m_ignoreTreeViewValueChange = true; |
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|
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m_treeStore->clear(); |
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if (!m_instrument) return; |
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|
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Gtk::TreeModel::iterator iterRoot = m_treeStore->append(); |
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Gtk::TreeModel::Row rowRoot = *iterRoot; |
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rowRoot[m_treeModel.m_col_name] = m_instrument->pInfo->Name; |
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rowRoot[m_treeModel.m_col_name_weight] = PANGO_WEIGHT_BOLD; |
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rowRoot[m_treeModel.m_col_type] = "Instrument"; |
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rowRoot[m_treeModel.m_col_value] = ""; |
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rowRoot[m_treeModel.m_col_slot] = -1; |
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rowRoot[m_treeModel.m_col_allowTextEntry] = false; |
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rowRoot[m_treeModel.m_col_editable] = false; |
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rowRoot[m_treeModel.m_col_script] = NULL; |
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rowRoot[m_treeModel.m_col_value_tooltip] = ""; |
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|
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for (int i = 0; i < m_instrument->ScriptSlotCount(); ++i) |
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buildTreeViewSlot(rowRoot, i); |
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|
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m_treeView.expand_all(); |
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|
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m_ignoreTreeViewValueChange = false; |
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} |
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|
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void ScriptPatchVars::onTreeViewSelectionChanged() { |
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} |
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|
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bool ScriptPatchVars::onQueryTreeViewTooltip(int x, int y, bool keyboardTip, |
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const Glib::RefPtr<Gtk::Tooltip>& tooltip) |
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{ |
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Gtk::TreeModel::iterator iter; |
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if (!m_treeView.get_tooltip_context_iter(x, y, keyboardTip, iter)) { |
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return false; |
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} |
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Gtk::TreeModel::Path path(iter); |
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Gtk::TreeModel::Row row = *iter; |
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Gtk::TreeViewColumn* pointedColumn = NULL; |
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// resolve the precise table column the mouse points to |
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{ |
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Gtk::TreeModel::Path path; // unused |
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int cellX, cellY; // unused |
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m_treeView.get_path_at_pos(x, y, path, pointedColumn, cellX, cellY); |
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} |
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Gtk::TreeViewColumn* valueColumn = m_treeView.get_column(2); |
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if (pointedColumn == valueColumn || row[m_treeModel.m_col_value] == "���") { // mouse hovers value column or on any "Script" meta row's columns... |
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const Glib::ustring tip = row[m_treeModel.m_col_value_tooltip]; |
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if (tip.empty()) return false; // don't show tooltip |
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// show model / cell's assigned tooltip |
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tooltip->set_markup(tip); |
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m_treeView.set_tooltip_cell(tooltip, &path, pointedColumn, NULL); |
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return true; // show tooltip |
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} |
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return false; // don't show tooltip |
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} |
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|
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#if GTKMM_MAJOR_VERSION > 3 || (GTKMM_MAJOR_VERSION == 3 && (GTKMM_MINOR_VERSION > 91 || (GTKMM_MINOR_VERSION == 91 && GTKMM_MICRO_VERSION >= 2))) // GTKMM >= 3.91.2 |
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bool ScriptPatchVars::onTreeViewKeyRelease(Gdk::EventKey& _key) { |
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GdkEventKey* key = _key.gobj(); |
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#else |
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void ScriptPatchVars::onTreeViewKeyRelease(GdkEventKey* key) { |
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#endif |
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if (key->keyval == GDK_KEY_BackSpace || key->keyval == GDK_KEY_Delete) { |
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printf("DELETE on script treeview row\n"); |
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deleteSelectedRows(); |
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} |
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out: |
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; // noop |
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#if GTKMM_MAJOR_VERSION > 3 || (GTKMM_MAJOR_VERSION == 3 && (GTKMM_MINOR_VERSION > 91 || (GTKMM_MINOR_VERSION == 91 && GTKMM_MICRO_VERSION >= 2))) // GTKMM >= 3.91.2 |
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return false; |
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#endif |
356 |
} |
357 |
|
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void ScriptPatchVars::deleteSelectedRows() { |
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Glib::RefPtr<Gtk::TreeSelection> sel = m_treeView.get_selection(); |
360 |
std::vector<Gtk::TreeModel::Path> rows = sel->get_selected_rows(); |
361 |
deleteRows(rows); |
362 |
} |
363 |
|
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void ScriptPatchVars::deleteRows(const std::vector<Gtk::TreeModel::Path>& rows) { |
365 |
// ignore the backspace key here while user is editing some value |
366 |
if (m_ignoreTreeViewValueChange || m_editing) return; |
367 |
if (!m_instrument) return; // just to be sure |
368 |
|
369 |
m_ignoreTreeViewValueChange = true; |
370 |
|
371 |
signal_vars_to_be_changed.emit(m_instrument); |
372 |
|
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for (ssize_t r = rows.size() - 1; r >= 0; --r) { |
374 |
Gtk::TreeModel::iterator it = m_treeStore->get_iter(rows[r]); |
375 |
if (!it) continue; |
376 |
Gtk::TreeModel::Row row = *it; |
377 |
gig::Script* script = row[m_treeModel.m_col_script]; |
378 |
int slot = row[m_treeModel.m_col_slot]; |
379 |
if (!script || slot == -1) continue; // prohibit deleting meta nodes |
380 |
std::string name = (Glib::ustring) row[m_treeModel.m_col_name]; |
381 |
m_instrument->UnsetScriptPatchVariable(slot, name); |
382 |
} |
383 |
|
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signal_vars_changed.emit(m_instrument); |
385 |
|
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reloadTreeView(); |
387 |
|
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m_ignoreTreeViewValueChange = false; |
389 |
} |
390 |
|
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void ScriptPatchVars::onValueCellEdited(const Glib::ustring& sPath, const Glib::ustring& text) { |
392 |
m_editing = false; |
393 |
Gtk::TreePath path(sPath); |
394 |
Gtk::TreeModel::iterator iter = m_treeStore->get_iter(path); |
395 |
onTreeViewRowValueChanged(path, iter, text); |
396 |
} |
397 |
|
398 |
void ScriptPatchVars::onTreeViewRowChanged(const Gtk::TreeModel::Path& path, |
399 |
const Gtk::TreeModel::iterator& iter) |
400 |
{ |
401 |
m_editing = false; |
402 |
if (!iter) return; |
403 |
Gtk::TreeModel::Row row = *iter; |
404 |
Glib::ustring value = row[m_treeModel.m_col_value]; |
405 |
onTreeViewRowValueChanged(path, iter, value); |
406 |
} |
407 |
|
408 |
void ScriptPatchVars::onTreeViewRowValueChanged(const Gtk::TreeModel::Path& path, |
409 |
const Gtk::TreeModel::iterator& iter, |
410 |
const Glib::ustring value) |
411 |
{ |
412 |
m_editing = false; |
413 |
if (m_ignoreTreeViewValueChange || !m_instrument) return; |
414 |
|
415 |
Gtk::TreeModel::Row row = *iter; |
416 |
gig::Script* script = row[m_treeModel.m_col_script]; |
417 |
int slot = row[m_treeModel.m_col_slot]; |
418 |
if (!script || slot == -1) return; // prohibit altering meta nodes |
419 |
std::string name = (Glib::ustring) row[m_treeModel.m_col_name]; |
420 |
|
421 |
signal_vars_to_be_changed.emit(m_instrument); |
422 |
|
423 |
m_instrument->SetScriptPatchVariable(slot, name, value); |
424 |
|
425 |
signal_vars_changed.emit(m_instrument); |
426 |
|
427 |
reloadTreeView(); |
428 |
} |
429 |
|
430 |
void ScriptPatchVars::setInstrument(gig::Instrument* pInstrument, bool forceUpdate) { |
431 |
if (m_instrument == pInstrument && !forceUpdate) |
432 |
return; |
433 |
m_instrument = pInstrument; |
434 |
reloadTreeView(); |
435 |
} |