src/gigedit/scriptslots.cpp

/*
    Copyright (c) 2014 - 2017 Christian Schoenebeck
    
    This file is part of "gigedit" and released under the terms of the
    GNU General Public License version 2.
*/

#include "scriptslots.h"
#include "global.h"

ScriptSlots::ScriptSlots() :
    m_closeButton(Gtk::Stock::CLOSE)
{
    m_instrument = NULL;

    if (!Settings::singleton()->autoRestoreWindowDimension) {
        set_default_size(460,300);
        set_position(Gtk::WIN_POS_MOUSE);
    }

    add(m_vbox);
    
    m_generalInfoLabel.set_text(_(
        "Each row (\"slot\") references one instrument script that shall be "
        "executed by the sampler for currently selected instrument. Slots are "
        "executed consecutively from top down."
    ));
    m_generalInfoLabel.set_line_wrap();
    m_vbox.pack_start(m_generalInfoLabel, Gtk::PACK_SHRINK);

    m_dragHintLabel.set_text(_(
        "Drag & drop a script from main window to this window to add a new "
        "script slot for this instrument."
    ));
    m_dragHintLabel.set_line_wrap();
    m_scrolledWindow.add(m_vboxSlots);
    m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
    m_vbox.pack_start(m_scrolledWindow);
    
    m_vbox.pack_start(m_dragHintLabel, Gtk::PACK_SHRINK);

    m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
    m_buttonBox.pack_start(m_closeButton);
    m_closeButton.set_can_default();
    m_closeButton.grab_focus();
    m_vbox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);

    m_closeButton.signal_clicked().connect(
        sigc::mem_fun(*this, &ScriptSlots::onButtonClose)
    );
    
    signal_hide().connect(
        sigc::mem_fun(*this, &ScriptSlots::onWindowHide)
    );

    // establish drag&drop between scripts tree view on main diwno and this
    // ScriptSlots window
    std::vector<Gtk::TargetEntry> drag_target_gig_script;
    drag_target_gig_script.push_back(Gtk::TargetEntry("gig::Script"));
    drag_dest_set(drag_target_gig_script);
    signal_drag_data_received().connect(
        sigc::mem_fun(*this, &ScriptSlots::onScriptDragNDropDataReceived)
    );

    show_all_children();
}

ScriptSlots::~ScriptSlots() {
    //printf("ScriptSlots destruct\n");
    clearSlots();
}

void ScriptSlots::clearSlots() {
    for (int i = 0; i < m_slots.size(); ++i) {
        delete m_slots[i].deleteButton;
        delete m_slots[i].downButton;
        delete m_slots[i].upButton;
        delete m_slots[i].label;
        delete m_slots[i].hbox;
    }
    m_slots.clear();
}

void ScriptSlots::setInstrument(gig::Instrument* instrument) {
    m_instrument = instrument;
    if (!m_instrument) {
        set_title(_("No Instrument"));
        return;
    }

    set_title(std::string(_("Script Slots of Instrument")) + " - \"" + instrument->pInfo->Name + "\"");
    clearSlots();
    for (int i = 0; i < instrument->ScriptSlotCount(); ++i) {
        gig::Script* script = instrument->GetScriptOfSlot(i);
        if (!script) continue;
        //printf("script '%s'\n", script->Name.c_str());
        appendNewSlot(script);
    }
}

void ScriptSlots::refreshSlots() {
    clearSlots();
    setInstrument(m_instrument);
}

void ScriptSlots::onScriptDragNDropDataReceived(
    const Glib::RefPtr<Gdk::DragContext>& context, int, int,
    const Gtk::SelectionData& selection_data, guint, guint time)
{
    gig::Script* script = *((gig::Script**) selection_data.get_data());
    if (script && selection_data.get_length() == sizeof(gig::Script*)) {
        std::cout << "Drop received script \"" << script->Name << "\"" << std::endl;
        m_instrument->AddScriptSlot(script);
        appendNewSlot(script);
        // drop success
        context->drop_reply(true, time);
        // inform i.e. main window
        script_slots_changed_signal.emit(m_instrument);
    } else {
        // drop failed
        context->drop_reply(false, time);
    }
}

void ScriptSlots::appendNewSlot(gig::Script* script) {
    static int slotID = 0;

    Row row;
    row.id = slotID++;
    row.hbox = new Gtk::HBox;
    row.label = new Gtk::Label;
    row.downButton = new Gtk::Button(Gtk::Stock::GO_DOWN);
    row.upButton = new Gtk::Button(Gtk::Stock::GO_UP);
    row.deleteButton = new Gtk::Button(Gtk::Stock::DELETE);
    row.script = script;

    row.hbox->pack_start(*row.label);
    row.hbox->pack_start(*row.downButton, Gtk::PACK_SHRINK);
    row.hbox->pack_start(*row.upButton, Gtk::PACK_SHRINK);
    row.hbox->pack_start(*row.deleteButton, Gtk::PACK_SHRINK);

    row.label->set_text(ToString(m_slots.size()+1) + ". \"" + script->Name + "\"");
    //row.label->set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
    
    row.upButton->signal_clicked().connect(
        sigc::bind(
            sigc::mem_fun(*this, &ScriptSlots::moveSlotUp), row.id
        )
    );
    row.downButton->signal_clicked().connect(
        sigc::bind(
            sigc::mem_fun(*this, &ScriptSlots::moveSlotDown), row.id
        )
    );
    row.deleteButton->signal_clicked().connect(
        sigc::bind(
            sigc::mem_fun(*this, &ScriptSlots::deleteSlot), row.id
        )
    );

    m_vboxSlots.add(*row.hbox);
    m_scrolledWindow.show_all_children();

    m_slots.push_back(row);
}

void ScriptSlots::moveSlotUp(int slotID) {
    for (int i = 0; i < m_instrument->ScriptSlotCount(); ++i) {
        if (m_slots[i].id == slotID) {
            if (i != 0) {
                m_instrument->SwapScriptSlots(i, i-1);
                refreshSlots();
                script_slots_changed_signal.emit(m_instrument);
            }
            break;
        }
    }
}

void ScriptSlots::moveSlotDown(int slotID) {
    for (int i = 0; i < m_instrument->ScriptSlotCount(); ++i) {
        if (m_slots[i].id == slotID) {
            if (i < m_instrument->ScriptSlotCount() - 1) {
                m_instrument->SwapScriptSlots(i, i+1);
                refreshSlots();
                script_slots_changed_signal.emit(m_instrument);
            }
            break;
        }
    }
}

void ScriptSlots::deleteSlot(int slotID) {
    for (int i = 0; i < m_instrument->ScriptSlotCount(); ++i) {
        if (m_slots[i].id == slotID) {
            m_instrument->RemoveScriptSlot(i);
            refreshSlots();
            script_slots_changed_signal.emit(m_instrument);
            break;
        }
    }
}

sigc::signal<void, gig::Instrument*>& ScriptSlots::signal_script_slots_changed() {
    return script_slots_changed_signal;
}

void ScriptSlots::onButtonClose() {
    hide();
}

void ScriptSlots::onWindowHide() {
    delete this; // this is the end, my friend
}

1	schoenebeck	2610	/*
2	schoenebeck	3197	Copyright (c) 2014 - 2017 Christian Schoenebeck
3	schoenebeck	2610
4			This file is part of "gigedit" and released under the terms of the
5			GNU General Public License version 2.
6			*/
7
8			#include "scriptslots.h"
9			#include "global.h"
10
11			ScriptSlots::ScriptSlots() :
12	schoenebeck	3158	m_closeButton(Gtk::Stock::CLOSE)
13	schoenebeck	2610	{
14			m_instrument = NULL;
15
16	schoenebeck	3225	if (!Settings::singleton()->autoRestoreWindowDimension) {
17			set_default_size(460,300);
18			set_position(Gtk::WIN_POS_MOUSE);
19			}
20
21	schoenebeck	2610	add(m_vbox);
22
23			m_generalInfoLabel.set_text(_(
24			"Each row (\"slot\") references one instrument script that shall be "
25			"executed by the sampler for currently selected instrument. Slots are "
26			"executed consecutively from top down."
27			));
28			m_generalInfoLabel.set_line_wrap();
29			m_vbox.pack_start(m_generalInfoLabel, Gtk::PACK_SHRINK);
30
31			m_dragHintLabel.set_text(_(
32			"Drag & drop a script from main window to this window to add a new "
33			"script slot for this instrument."
34			));
35			m_dragHintLabel.set_line_wrap();
36			m_scrolledWindow.add(m_vboxSlots);
37			m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
38			m_vbox.pack_start(m_scrolledWindow);
39
40			m_vbox.pack_start(m_dragHintLabel, Gtk::PACK_SHRINK);
41
42			m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
43			m_buttonBox.pack_start(m_closeButton);
44			m_closeButton.set_can_default();
45			m_closeButton.grab_focus();
46			m_vbox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);
47
48			m_closeButton.signal_clicked().connect(
49			sigc::mem_fun(*this, &ScriptSlots::onButtonClose)
50			);
51
52			signal_hide().connect(
53			sigc::mem_fun(*this, &ScriptSlots::onWindowHide)
54			);
55
56			// establish drag&drop between scripts tree view on main diwno and this
57			// ScriptSlots window
58			std::vector<Gtk::TargetEntry> drag_target_gig_script;
59			drag_target_gig_script.push_back(Gtk::TargetEntry("gig::Script"));
60			drag_dest_set(drag_target_gig_script);
61			signal_drag_data_received().connect(
62			sigc::mem_fun(*this, &ScriptSlots::onScriptDragNDropDataReceived)
63			);
64
65			show_all_children();
66			}
67
68			ScriptSlots::~ScriptSlots() {
69			//printf("ScriptSlots destruct\n");
70			clearSlots();
71			}
72
73			void ScriptSlots::clearSlots() {
74			for (int i = 0; i < m_slots.size(); ++i) {
75			delete m_slots[i].deleteButton;
76			delete m_slots[i].downButton;
77			delete m_slots[i].upButton;
78			delete m_slots[i].label;
79			delete m_slots[i].hbox;
80			}
81			m_slots.clear();
82			}
83
84			void ScriptSlots::setInstrument(gig::Instrument* instrument) {
85			m_instrument = instrument;
86			if (!m_instrument) {
87			set_title(_("No Instrument"));
88			return;
89			}
90
91			set_title(std::string(_("Script Slots of Instrument")) + " - \"" + instrument->pInfo->Name + "\"");
92			clearSlots();
93			for (int i = 0; i < instrument->ScriptSlotCount(); ++i) {
94			gig::Script* script = instrument->GetScriptOfSlot(i);
95			if (!script) continue;
96			//printf("script '%s'\n", script->Name.c_str());
97			appendNewSlot(script);
98			}
99			}
100
101			void ScriptSlots::refreshSlots() {
102			clearSlots();
103			setInstrument(m_instrument);
104			}
105
106			void ScriptSlots::onScriptDragNDropDataReceived(
107			const Glib::RefPtr<Gdk::DragContext>& context, int, int,
108			const Gtk::SelectionData& selection_data, guint, guint time)
109			{
110			gig::Script* script = ((gig::Script*) selection_data.get_data());
111			if (script && selection_data.get_length() == sizeof(gig::Script*)) {
112			std::cout << "Drop received script \"" << script->Name << "\"" << std::endl;
113			m_instrument->AddScriptSlot(script);
114			appendNewSlot(script);
115			// drop success
116			context->drop_reply(true, time);
117	schoenebeck	3197	// inform i.e. main window
118			script_slots_changed_signal.emit(m_instrument);
119	schoenebeck	2610	} else {
120			// drop failed
121			context->drop_reply(false, time);
122			}
123			}
124
125			void ScriptSlots::appendNewSlot(gig::Script* script) {
126			static int slotID = 0;
127
128			Row row;
129			row.id = slotID++;
130			row.hbox = new Gtk::HBox;
131			row.label = new Gtk::Label;
132	schoenebeck	3158	row.downButton = new Gtk::Button(Gtk::Stock::GO_DOWN);
133			row.upButton = new Gtk::Button(Gtk::Stock::GO_UP);
134			row.deleteButton = new Gtk::Button(Gtk::Stock::DELETE);
135	schoenebeck	2610	row.script = script;
136
137			row.hbox->pack_start(*row.label);
138			row.hbox->pack_start(*row.downButton, Gtk::PACK_SHRINK);
139			row.hbox->pack_start(*row.upButton, Gtk::PACK_SHRINK);
140			row.hbox->pack_start(*row.deleteButton, Gtk::PACK_SHRINK);
141
142			row.label->set_text(ToString(m_slots.size()+1) + ". \"" + script->Name + "\"");
143			//row.label->set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
144
145			row.upButton->signal_clicked().connect(
146			sigc::bind(
147			sigc::mem_fun(*this, &ScriptSlots::moveSlotUp), row.id
148			)
149			);
150			row.downButton->signal_clicked().connect(
151			sigc::bind(
152			sigc::mem_fun(*this, &ScriptSlots::moveSlotDown), row.id
153			)
154			);
155			row.deleteButton->signal_clicked().connect(
156			sigc::bind(
157			sigc::mem_fun(*this, &ScriptSlots::deleteSlot), row.id
158			)
159			);
160
161			m_vboxSlots.add(*row.hbox);
162			m_scrolledWindow.show_all_children();
163
164			m_slots.push_back(row);
165			}
166
167			void ScriptSlots::moveSlotUp(int slotID) {
168			for (int i = 0; i < m_instrument->ScriptSlotCount(); ++i) {
169			if (m_slots[i].id == slotID) {
170			if (i != 0) {
171			m_instrument->SwapScriptSlots(i, i-1);
172			refreshSlots();
173	schoenebeck	3197	script_slots_changed_signal.emit(m_instrument);
174	schoenebeck	2610	}
175			break;
176			}
177			}
178			}
179
180			void ScriptSlots::moveSlotDown(int slotID) {
181			for (int i = 0; i < m_instrument->ScriptSlotCount(); ++i) {
182			if (m_slots[i].id == slotID) {
183			if (i < m_instrument->ScriptSlotCount() - 1) {
184			m_instrument->SwapScriptSlots(i, i+1);
185			refreshSlots();
186	schoenebeck	3197	script_slots_changed_signal.emit(m_instrument);
187	schoenebeck	2610	}
188			break;
189			}
190			}
191			}
192
193			void ScriptSlots::deleteSlot(int slotID) {
194			for (int i = 0; i < m_instrument->ScriptSlotCount(); ++i) {
195			if (m_slots[i].id == slotID) {
196			m_instrument->RemoveScriptSlot(i);
197			refreshSlots();
198	schoenebeck	3197	script_slots_changed_signal.emit(m_instrument);
199	schoenebeck	2610	break;
200			}
201			}
202			}
203
204	schoenebeck	3197	sigc::signal<void, gig::Instrument*>& ScriptSlots::signal_script_slots_changed() {
205			return script_slots_changed_signal;
206			}
207
208	schoenebeck	2610	void ScriptSlots::onButtonClose() {
209			hide();
210			}
211
212			void ScriptSlots::onWindowHide() {
213			delete this; // this is the end, my friend
214			}
215