simplemidi/ui/application.py

from GtkSelectionList import GtkSelectionList
from GtkButtonGrid import GtkButtonGrid
from gi.repository import Gdk
from gi.repository import Gtk
from pad import *
import os
import simplemidi
import sys
gtk=Gtk
from MidiConst import *
def when_button_is_clicked(label):
    '''
    Quand le bouton est cliqué
    '''
    label.set_text('Hello world!')


def ok(btn):
    print("OK clicked")

_GAMME = {
    "Personalisée": "",
    "Majeur" : GAMME_MAJEUR,
    "Mineur naturelle" : GAMME_MINEUR_NATURELLE,
    "Mineur harmonique" : GAMME_MINEUR_HARMONIQUE,
    "Mineur mélodique" : GAMME_MINEUR_MELODIQUE
}



class Pane:

    def __init__(self, app):
        self.app = app
        self.pad=app.pad
        self.builder = app.builder

    def connect(self, name, signal, fct):
        self.builder.get_object(name).connect(signal, fct)

    def widget(self, name):
        return self.builder.get_object(name)

class _Dialog:
    def __init__(self, parent, name):
        self.builder=parent.builder
        self.parent=parent
        self.dialog=self.widget(name)
        self.dialog.connect("delete-event", self.drop)
        self.modify=False
        self.isInit=False


    def on_ok(self, btn):
        self.dialog.hide()
        self.dialog.hide()
        if self.modify:
            self.parent.on_modify_return(self.get_data())
        else:
            self.parent.on_add_return(self.get_data())

    def on_cancel(self, x=None):
        self.dialog.hide()
        self.dialog.hide()

    def run(self):
        if not self.isInit:
            self.dialog.show()
            self.isInit=True
            self.dialog.hide()
        self.update(None)
        self.dialog.show()

    def get_data(self):
        raise NotImplementedError

    def _init(self, data, ):
        raise NotImplementedError

    def drop(self,a,b):
        self.dialog.hide()
        return True

    def connect(self, name, signal, fct):
        self.builder.get_object(name).connect(signal, fct)

    def widget(self, name):
        return self.builder.get_object(name)

    def init(self, data):
        self.modify=data!=None
        self._init(data)
        self.update(None)

class NewDialog(_Dialog):

    def __init__(self, pane):
        super().__init__(pane, "new_pad_conf_dialog")
        self.cb=self.widget("cb_new_pad")
        l=PadManager.pad_list()
        for k in l: self.cb.append(k,k)
        if len(l): self.cb.set_active(0)

        self.widget("new_pad").connect("clicked", self.on_valid)
        self.app=pane

    def on_valid(self, x):
        self.app.on_new(self.cb.get_active_id())
        self.drop(None,None)

    def update(self, x): pass

class InitDialog(_Dialog):

    def __init__(self, pane):
        super().__init__(pane, "init_dialog")
        self.wchannel=[self.widget("init_enable_channel"),self.widget("init_channel_value"),self.widget("init_channel_absolute")]
        self.wkey=[self.widget("init_enable_key"),self.widget("init_key_value"),self.widget("init_key_absolute")]
        self.wvelocity=[self.widget("init_enable_velocity"),self.widget("init_velocity_value"),self.widget("init_velocity_absolute")]
        self.widget("init_ok").connect("clicked", self.on_ok)
        self.widget("init_cancel").connect("clicked", self.on_cancel)
        self.wchannel[0].connect("toggled", self.update)
        self.wkey[0].connect("toggled", self.update)
        self.wvelocity[0].connect("toggled", self.update)
        self.message=self.widget("init_message")

    def get_data(self):
        return [
            self.message.get_active_id(),
            int(self.wchannel[1].get_value()) if self.wchannel[0].get_active() else -1,
            int(self.wkey[1].get_value()) if self.wkey[0].get_active() else -1,
            int(self.wvelocity[1].get_value()) if self.wvelocity[0].get_active() else -1
        ]

    def _init(self, data):
        self.message.set_active(0)
        self.wchannel[0].set_active(False)
        self.wkey[0].set_active(False)
        self.wvelocity[0].set_active(False)
        self.wchannel[1].set_sensitive(False)
        self.wkey[1].set_sensitive(False)
        self.wvelocity[1].set_sensitive(False)
        self.wchannel[1].set_value(0)
        self.wkey[1].set_value(0)
        self.wvelocity[1].set_value(0)

        if data:
            self.message.set_active_id(data[0])
            self.wchannel[0].set_active(data[1]>=0)
            self.wkey[0].set_active(data[2]>=0)
            self.wvelocity[0].set_active(data[3]>=0)
            self.wchannel[1].set_sensitive(data[1]>=0)
            self.wkey[1].set_sensitive(data[2]>=0)
            self.wvelocity[1].set_sensitive(data[3]>=0)

            self.wchannel[1].set_value(data[1])
            self.wkey[1].set_value(data[2])
            self.wvelocity[1].set_value(data[3])


    def update(self, x):

        self.wchannel[1].set_sensitive(self.wchannel[0].get_active())
        self.wkey[1].set_sensitive(self.wkey[0].get_active())
        self.wvelocity[1].set_sensitive(self.wvelocity[0].get_active())


class OperationDialog(_Dialog):
    def __init__(self, pane):
        super().__init__(pane, "operation_dialog")
        self.cbtype=self.widget("operation_type")
        self.cbtype.connect("changed", self.update)
        self.current_type="TRANSLATE"
        self.widget("operation_ok").connect("clicked", self.on_ok)
        self.widget("operation_cancel").connect("clicked", self.on_cancel)
        self.frames={
            "TRANSLATE" : self.widget("operation_translate"),
            "RANGE" : self.widget("operation_range"),
            "REORDER" : self.widget("operation_reorder"),
            "DROP" : self.widget("operation_drop")
        }
        self.reorder_offest=self.widget("operation_offset")
        self.gamme_note=self.widget("operation_gamme_note")
        self.gamme_gamme=self.widget("operation_gamme_gamme")
        self.gamme_custom=self.widget("operation_gamme_custom")
        self.gamme_octave=self.widget("operation_gamme_note_octave")

        self.trans_ch=[self.widget("operation_translate_channel"), self.widget("operation_translate_channel_absolute")]
        self.trans_key=[self.widget("operation_translate_key"), self.widget("operation_translate_key_absolute")]
        self.trans_vel=[self.widget("operation_translate_velocity"), self.widget("operation_translate_velocity_absolute")]

        for k in _GAMME: self.gamme_gamme.append(k, k)
        for k in ARR_NOTE: self.gamme_note.append(k, k)

        self.update()


    def update(self, x=None):
        self.current_type=self.cbtype.get_active_id()
        for k in self.frames:
            if k==self.current_type:
                self.frames[k].show()
            else:
                self.frames[k].hide()

    def get_data(self):
        if self.current_type=="TRANSLATE":
            values=[self.trans_ch[0].get_value(),self.trans_key[0].get_value(),self.trans_vel[0].get_value()]
            modes=[self.trans_ch[1].get_active(),self.trans_key[1].get_active(),self.trans_vel[1].get_active()]
            return TranslateOperation.new(values, modes)
        elif self.current_type=="DROP":
            return DropOperation.new()
        elif self.current_type=="RANGE":
            gamme=self.gamme_gamme.get_active_id()
            gamme=_GAMME[gamme] if gamme else json.loads("["+self.gamme_custom.get_text()+"]")
            note=Note.parse(self.gamme_note.get_active_id()+self.gamme_octave.get_active_id())
            return RangeOperation.new(gamme, note)
        elif self.current_type=="REORDER":
            return ReorderOperation.new(int(self.reorder_offest.get_value()))

    def _init(self, data):
        self.gamme_gamme.set_active(0)
        self.gamme_note.set_active(0)
        self.gamme_octave.set_active(5)
        self.gamme_custom.set_text("")

        self.trans_ch[0].set_value(0)
        self.trans_key[0].set_value(0)
        self.trans_vel[0].set_value(0)
        self.trans_ch[1].set_active(False)
        self.trans_key[1].set_active(False)
        self.trans_vel[1].set_active(False)

        self.reorder_offest.set_value(0)

        if data:
            self.cbtype.set_active_id(data.type)
            if isinstance(data, RangeOperation):
                self.gamme_note.set_active(Note.get_note(data.key))
                self.gamme_octave.set_active(Note.get_octave(data.key))
                range_set=False
                for i in _GAMME:
                    if _GAMME[i]!="" and _GAMME[i]==data.range:
                        range_set=True
                        self.gamme_gamme.set_active_id(i)
                if not range_set:
                    self.gamme_custom.set_text(str(data.range)[1:-1])

            if isinstance(data, ReorderOperation):
                self.reorder_offest.set_value(int(data.offset))

            if isinstance(data, TranslateOperation):
                self.trans_ch[0].set_value(data.channel)
                self.trans_key[0].set_value(data.key)
                self.trans_vel[0].set_value(data.velocity)
                self.trans_ch[1].set_active(data.channelmode=="FIXED")
                self.trans_key[1].set_active(data.keymode=="FIXED")
                self.trans_vel[1].set_active(data.velocitymode=="FIXED")







class CRUDPane(Pane):
    def __init__(self, app, prefix):
        super().__init__(app)
        #self.widget(prefix+"_down").connect("clicked", self.on_down)
        self.widget(prefix+"_up").connect("clicked", self._on_up)
        self.widget(prefix+"_remove").connect("clicked", self._on_remove)
        self.widget(prefix+"_add").connect("clicked", self._on_add)
        self.widget(prefix+"_edit").connect("clicked", self._on_edit)
        self.list=self.widget(prefix+"_listbox")
        self.dialog=None
        self.data=[]

    def print(self, tmp="After"):
        pass

    def get_index(self): return self.find_index(self.list.get_selected_row())

    def find_index(self, widget):
        n=-1
        if not widget: return -1
        widget=widget.get_child()
        for i in range(len(self.data)):
            k=self.data[i]
            if k[1]==widget:
                return i
        return -1

    def insert(self, i, data):
        self.data.append(None)
        for j in reversed(range(i,len(self.data)-1)):
            self.data[j+1]=self.data[j]
        lbl=Gtk.Label.new(str(data))
        self.data[j] =(data, lbl)
        self.list.insert(lbl, i)
        self.list.show_all()

    def _on_up(self, btn):
        if not self.app.sel_pane.get_current_selection(): return
        n=self.get_index()
        if n>0:
            x=self.data[n]
            self.list.remove(x[1].get_parent())
            self.insert(n-1, x[0])
            self.data.remove(x)
            self.list.select_row(self.data[n-1][1].get_parent())
            self.on_up(n)
            self.print("up")

    def _on_down(self, btn):
        if not self.app.sel_pane.get_current_selection(): return
        n=self.get_index()
        if n>=0 and n<=len(self.data)-1:
            x=self.data[n]
            self.list.remove(x[1].get_parent())
            self.insert(n+1, x[0])
            self.data.remove(x)
            self.list.select_row(self.data[n+1][1].get_parent())
            self.on_down(n)
            self.print("down")

    def _on_remove(self, btn):
        if not self.app.sel_pane.get_current_selection(): return
        n=self.get_index()
        if n>=0:
            x=self.data[n]
            self.list.remove(x[1].get_parent())
            self.data.remove(x)
            self.on_remove(n)
            self.print("remove")

    def _on_add(self, btn):
        if not self.app.sel_pane.get_current_selection(): return
        self.dialog.init(None)
        self.dialog.run()

    def _on_edit(self, btn):
        if not self.app.sel_pane.get_current_selection(): return
        n=self.get_index()
        if n>=0:
            self.dialog.init(self.data[n][0])
            self.dialog.run()

    def init(self, data):
        self.data=[]
        ch = self.list.get_children()
        for i in ch: self.list.remove(i)
        for d in data:
            self.add_on_ui(d)

    def data_to_str(self, x):
        return str(x)

    def add_on_ui(self, data):
        lbl=Gtk.Label.new(self.data_to_str(data))
        lbl.set_alignment(0,0)
        self.data.append((data, lbl))
        self.list.add(lbl)
        self.list.show_all()

    def on_add_return(self, data):
        self.add_on_ui(data)
        self.on_add(data)
        self.print("add")


    def on_modify_return(self, data):
        n=self.find_index(self.list.get_selected_row())
        lbl=self.data[n][1]
        lbl.set_label(self.data_to_str(data))
        self.data[n]=(data, lbl)
        self.on_modify(n, data)
        self.print("modify")

    def on_add(self, x): raise NotImplementedError
    def on_modify(self, i, x): raise NotImplementedError
    def on_remove(self, i): raise NotImplementedError
    def on_up(self, i): raise NotImplementedError
    def on_down(self, i): raise NotImplementedError

class InitPane(CRUDPane):
    def __init__(self, app):
        super().__init__(app, "init")
        self.dialog=InitDialog(self)

    def data_to_str(self, x):
        out=""
        if x[0]=="noteon": out="NoteOn("
        if x[0]=="noteoff": out="NoteOff("
        args=[]
        if x[1]>=0: args.append("channel %d"%x[1])
        if x[2]>=0: args.append("key %d"%x[2])
        if x[3]>=0: args.append("velocity %d"%x[3])
        return out+",".join(args)+")"

    def on_add(self, x):
        sel = self.app.sel_pane.get_current_selection()
        sel.init.actions.append(InputAction(x))

    def on_modify(self, i, x):
        sel = self.app.sel_pane.get_current_selection()
        sel.init.actions[i]=InputAction(x)

    def on_remove(self, i):
        sel = self.app.sel_pane.get_current_selection()
        sel.init.actions.remove(sel.init.actions[i])


    def on_up(self, i):
        sel = self.app.sel_pane.get_current_selection()
        tmp=sel.init.actions[i]
        sel.init.actions[i]=sel.init.actions[i-1]
        sel.init.actions[i-1]=tmp

    def on_down(self, i):
        sel = self.app.sel_pane.get_current_selection()
        tmp=sel.init.actions[i]
        sel.init.actions[i]=sel.init.actions[i+1]
        sel.init.actions[i+1]=tmp


class OperationPane(CRUDPane):
    def __init__(self, app):
        super().__init__(app, "operation")
        self.dialog=OperationDialog(self)

    def on_add(self, x):
        sel = self.app.sel_pane.get_current_selection()
        sel.operations.append(x)

    def on_modify(self, i, x):
        sel = self.app.sel_pane.get_current_selection()
        sel.operations[i]=x

    def on_remove(self, i):
        sel = self.app.sel_pane.get_current_selection()
        sel.operations.remove(sel.operations[i])

    def on_up(self, i):
        sel = self.app.sel_pane.get_current_selection()
        tmp=sel.operations[i]
        sel.operations[i]=sel.operations[i-1]
        sel.operations[i-1]=tmp

    def on_down(self, i):
        sel = self.app.sel_pane.get_current_selection()
        tmp=sel.operations[i]
        sel.operations[i]=sel.operations[i+1]
        sel.operations[i+1]=tmp



class SelectionPane(Pane):

    def __init__(self, app):
        super().__init__(app)
        self.input_new_pad=self.builder.get_object("input_new_pad")
        self.sel_list=GtkSelectionList()
        self.pad=app.pad
        self.builder.get_object("sel_pane_root").pack_start(self.sel_list, True, True, 0)
        self.builder.get_object("sel_pane_root").reorder_child(self.sel_list,1)
        self.sel_list.set_on_selected(self.on_selections_changed)
        self.connect("button_new_sel", "clicked", self.on_new_sel)
        self.grid=GtkButtonGrid()
        self.grid.set_on_select(self.on_button_selected)
        self.grid.set_on_unselect(self.on_button_unselected)
        self.widget("grid_root").pack_start(self.grid, True, True, 0)
        self.entry_name=self.widget("entry_sel_name")
        self.widget("rename_sel").connect("clicked", self.on_name_change)
        self.sel_edit_box=self.widget("sel_edit_box")
        self.modifying=False
        self.init_pane=InitPane(self.app)
        self.op_pane=OperationPane(self.app)

    def on_name_change(self, editable):
        old=self.sel_list.current_selection_name
        new=self.entry_name.get_text()
        self.pad.rename_selection(old, new)
        self.sel_list.rename(old, new)



    def on_new_sel(self, btn):
        name = self.input_new_pad.get_text()
        sel=self.pad.new_sel(name)
        self.sel_list.append(name, sel)
        self.input_new_pad.set_text("")

    def on_selections_changed(self, sel, selection):
        self.set_selection(sel, selection)
        self.entry_name.set_text(sel if sel else "")


    def set_selection(self, name, selection):
        self.modifying=True
        self.grid.unselect_all()
        if name:
            for i in selection.inputs:
                self.grid[i].select()
            self.sel_edit_box.set_visible(True)
            self.sel_edit_box.show()
            self.sel_edit_box.queue_draw()
            self.init_pane.init(selection.init.json())
            self.op_pane.init(selection.operations)
            self.sel_edit_box.show()
        else:
            self.init_pane.init([])
            self.op_pane.init([])
            self.sel_edit_box.hide()

        self.grid.update()
        self.modifying=False


    def init(self, pad):
        self.modifying=True
        self.pad=pad
        self.sel_list.init()
        for k in self.pad.selections:
            self.sel_list.append(k, self.pad.selections[k])

        self.grid.set_grid_size(self.pad.width, self.pad.height)
        for i in range(self.pad.width*self.pad.height):
            sel = self.pad.find_selection_of(i)
            if sel: sel=self.pad.selections[sel]
            self.grid[i]=(sel, self.pad.matrix[i], i)
        self.modifying=False



    def get_current_selection_name(self):
        return self.sel_list.current_selection_name



    def get_current_selection(self):
        n=self.sel_list.current_selection_name
        if n and n in self.pad.selections:
            return self.pad.selections[n]
        return None

    def on_button_selected(self, i, btn):
        if not self.modifying and self.get_current_selection_name():
            self.pad.add_button_to(self.sel_list.current_selection_name, i)
            btn.select()

    def on_button_unselected(self, i, btn):
        if not self.modifying and self.get_current_selection_name():
            self.pad.remove_button_selection(i)
            btn.unselect()






class Application:

    def __init__(self):
        self.builder = Gtk.Builder()
        self.builder.add_from_file('ui.glade')
        self.window=self.builder.get_object('main_window')
        self.window.connect('delete-event', Gtk.main_quit)
        self.pad=None
        self.sel_pane=SelectionPane(self)
        self.window.show_all()
        self.widget("menu_open").connect("activate", self.open_dialog)
        self.widget("menu_save").connect("activate", self.on_save_as)
        self.widget("menu_save_as").connect("activate", self.save_dialog)
        self.widget("menu_new").connect("activate", self.new_dialog)
        self.widget("toolbox_start").connect("clicked", self.start_simple_midi)
        self.widget("toolbox_clear").connect("clicked", self.reset_simple_midi)
        self.file_open=None
        self.file_dir_open=None
        self.changed=False
        self.simplemidi= simplemidi.SimpleMidi()
        self.simplemidi.run()
        self.widget("notebook").hide()
        self.dialog_new=NewDialog(self)

    def widget(self, name):
        return self.builder.get_object(name)

    def connect(self, name, signal, fct):
        self.builder.get_object(name).connect(signal, fct)

    def set_pad_configuration(self, conf):
        self.pad=PadConfiguration.parse(conf)
        self.init()

    def set_new_pad(self, pad):
        self.pad=PadConfiguration.new(pad)
        self.init()

    def set_changed(self):
        self.cahnged=True
        self.window.set_title("*"+os.path.basename(self.file_open))



    def init(self):
        self.sel_pane.init(self.pad)

    def open(self, file :str):
        self.set_pad_configuration(file)
        self.window.show_all()
        self.sel_pane.set_selection(None, None)
        self.file_open=file
        self.file_dir_open=os.path.dirname(file)
        self.widget("selection_root_pane").set_position(100)
        self.window.set_title(os.path.basename(self.file_open))
        self.simplemidi.set_pad(self.pad.name)

    def save(self, file):
        with open(file, "w") as f:
            f.write(json.dumps(self.pad.json(), indent=4))
        self.changed=False

    def test(self):
        with open("test", "w") as f:
            f.write(json.dumps(self.pad.json(), indent=4))


    def open_dialog(self, x):
        dialog = Gtk.FileChooserDialog("Please choose a file", self.window,
                                       Gtk.FileChooserAction.OPEN,
                                       (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
                                        Gtk.STOCK_OPEN, Gtk.ResponseType.OK))


        response = dialog.run()
        if response == Gtk.ResponseType.OK:
            file_path = dialog.get_filename()
            self.open(file_path)
        elif response == Gtk.ResponseType.CANCEL:
            pass
        dialog.destroy()

    def save_dialog(self, x):
        dialog = Gtk.FileChooserDialog("Please choose a file", self.window,
                                       Gtk.FileChooserAction.SAVE,
                                       (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
                                        Gtk.STOCK_SAVE_AS, Gtk.ResponseType.OK))
        dialog.set_current_folder(self.file_dir_open if self.file_dir_open  else ".")
        dialog.set_filename(os.path.basename(self.file_open))

        response = dialog.run()
        if response == Gtk.ResponseType.OK:
            file_path = dialog.get_filename()
            self.save(file_path)
        elif response == Gtk.ResponseType.CANCEL:
            pass
        dialog.destroy()

    def on_save_as(self, x):
        if self.file_dir_open:
            self.save(self.file_open)
        else:
            self.save_dialog(None)
    def new_dialog(self, x):
        self.dialog_new.run()

    def reset_simple_midi(self, x):
        if self.pad:
            self.simplemidi.clear()

    def start_simple_midi(self, x):
        if self.pad:
            self.simplemidi.set_configuration_data(self.pad)

    def on_new(self, pad):
        self.set_new_pad(pad)
        self.file_open=pad+" configuration"
        self.file_dir_open=None
        self.set_changed()
        self.window.show_all()

    def main(self):
        self.window.show()
        Gtk.main()


app = Application()
app.open("../conf/conf3.conf")
app.main()