diff options
author | Victor Lazzarini <Victor.Lazzarini@nuim.ie> | 2008-08-06 09:40:17 (GMT) |
---|---|---|
committer | Victor Lazzarini <Victor.Lazzarini@nuim.ie> | 2008-08-06 09:40:17 (GMT) |
commit | 52e0a82f984c4845ca555af91f5cc07c0fa4e38e (patch) | |
tree | 97ddad19b64f757b6e1eba87970a013efc030311 /Waves.activity/csndsugui.py | |
parent | c07daf938b6f3a693940adad998937ba8298943f (diff) |
fixed focus-out dialog box bug
line ends to unix format now
Diffstat (limited to 'Waves.activity/csndsugui.py')
-rw-r--r-- | Waves.activity/csndsugui.py | 1506 |
1 files changed, 753 insertions, 753 deletions
diff --git a/Waves.activity/csndsugui.py b/Waves.activity/csndsugui.py index b67d606..b598939 100644 --- a/Waves.activity/csndsugui.py +++ b/Waves.activity/csndsugui.py @@ -1,753 +1,753 @@ -# sugar-aware GUI classes
-# with boxes, sliders, spinbuttons, buttons, etc
-#
-# (c) Victor Lazzarini, 2006-08
-#
-# This library is free software; you can redistribute it
-# and/or modify it under the terms of the GNU Lesser General Public
-# License as published by the Free Software Foundation; either
-# version 2.1 of the License, or (at your option) any later version.
-#
-# csndsugui 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 Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with csndsugui; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-# 02111-1307 USA
-#
-# As a special exception, if other files instantiate templates or
-# use macros or inline functions from this file, this file does not
-# by itself cause the resulting executable or library to be covered
-# by the GNU Lesser General Public License. This exception does not
-# however invalidate any other reasons why the library or executable
-# file might be covered by the GNU Lesser General Public License.
-#
-#
-# version 0.1.2 24/03/08
-
-import pygtk
-pygtk.require('2.0')
-from sugar.activity import activity
-import gtk
-import sys
-import csnd
-import math
-import locale
-import os
-import sugar.logger
-import time
-
-class BasicGUI:
- """Basic GUI with boxes, sliders, spins, buttons etc
- using pygtk/sugar, from which GUI classes
- can be derived for Csound use."""
-
- def set_channel(self,name, val):
- """basic bus channel setting method,
- should be overriden for full-functionality."""
- self.logger.debug("channel:%s, value:%.1f" % (name,val))
-
- def set_filechannel(self,chan,name):
- """basic filename channel setting method
- should be overriden for full-functionality."""
- self.logger.debug("channel:%s, filename:%s" % (chan,name))
-
-
- def set_message(self, mess):
- """basic message setting method
- should be overriden for full-functionality."""
- self.logger.debug(mess)
-
- def get_slider_value(self,name):
- """returns the slider value
- name: slider name (which should also be the attached bus channel name"""
- for i in self.sliders:
- if i[1] == name:
- return i[2]
- return 0
-
-
- def get_button_value(self,name):
- """returns the button value (0 or 1)
- name: button name (which should also be the attached bus channel name)"""
- for i in self.buttons:
- if i[1] == name:
- return i[2]
- return 0
-
- def get_slider(self,name):
- """returns the slider widget instance
- name: slider name"""
- for i in self.sliders:
- if i[1] == name:
- return i[0]
- return 0
-
- def get_button(self,name):
- """returns the button widget instance
- name: button name"""
- for i in self.sliders:
- if i[1] == name:
- return i[0]
- return 0
-
- def set_focus(self):
- """ called whenever the focus changes """
- self.logger.debug(self.focus)
-
- def focus_out(self, widget, event):
- if(self.focus):
- self.focus = False
- self.set_focus()
-
- def focus_in(self, widget, event):
- if(not self.focus):
- self.focus = True
- self.set_focus()
-
- def focus_back(self, widget, event):
- self.window.disconnect(self.fback)
- self.connect_focus()
-
- def buttcallback(self, widget, data=None):
- for i in self.buttons:
- if i[0] == widget:
- if i[2]:
- i[2] = 0
- i[0].modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0x0FFF,0,0x00FF, 2))
- i[0].modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0xFFFF,0,0xFFFF, 2))
- else:
- i[2] = 1
- i[0].modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0xFFFF,0,0, 1))
- i[0].modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0xFFFF,0,0, 2))
- self.set_channel(i[1], i[2])
-
- def button_setvalue(self, widget, value):
- if not value:
- widget.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0x0FFF,0,0x00FF, 2))
- widget.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0xFFFF,0,0xFFFF, 2))
- else:
- widget.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0xFFFF,0,0, 1))
- widget.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0xFFFF,0,0, 2))
-
- def mbuttcallback(self, widget, data=None):
- for i in self.mbuttons:
- if i[0] == widget:
- self.set_message(i[2])
-
- def slidcallback(self,adj,widget):
- for i in self.sliders:
- if i[0] == widget:
- i[2] = adj.value
- if i[4]:
- self.set_channel(i[1],i[2])
- i[3].set_text("%f" % i[2])
- pass
- else:
- value = i[5]*pow(i[6]/i[5], i[2]/i[6])
- self.set_channel(i[1], value)
- i[3].set_text("%.3f" % value)
- pass
-
- def spincallback(self,adj,widget):
- for i in self.spins:
- if i[0] == widget:
- i[2] = adj.value
- self.set_channel(i[1],i[2])
-
- def filecallback(self,widget):
- name = self.curfile[0].get_filename()
- self.set_filechannel(self.curfile[2], name)
- for i in self.buttons:
- if i[0] == self.curfile[1]:
- i[2] = name
- self.filenames.update({self.curfile[2] : name})
- self.curfile[0].destroy()
-
-
- def destroy_chooser(self,widget):
- self.curfile[0].destroy()
-
- def fbuttcallback(self, widget, data=None):
- self.focus_disconnect()
- self.fback = self.window.connect('focus_in_event', self.focus_back)
- for i in self.buttons:
- if i[0] == widget:
- chooser = gtk.FileSelection(i[1])
- self.curfile = (chooser, i[0], i[1])
- chooser.set_filename(self.data_path)
- chooser.ok_button.connect("clicked", self.filecallback)
- chooser.cancel_button.connect("clicked", self.destroy_chooser)
- chooser.show()
-
-
- def cbbutton(self,box,callback,title=""):
- """Creates a callbackbutton
- box: parent box
- callback: click callback
- title: if given, the button name
- returns the widget instance"""
- self.cbbutts = self.cbbutts + 1
- butt = gtk.Button(" %s " % title)
- box.pack_start(butt, False, False, 5)
- self.cbbuttons.append([butt,title,0])
- butt.connect("clicked", callback)
- butt.show()
- return butt
-
-
- def button(self,box, title="",label=""):
- """Creates a button (on/off)
- box: parent box
- title: if given, the button name,
- which will also be the bus channel
- name. Otherwise a default name is
- given, BN, where N is button number
- in order of creation.
- label: if given, an alternative button name,
- which will be displayed instead of title
- returns the widget instance"""
- self.butts = self.butts + 1
- if title == "":
- title = "B%d" % self.butts
- if label == "": name = title
- else: name = label
- butt = gtk.Button(" %s " % name)
- butt.modify_bg(gtk.STATE_ACTIVE, gtk.gdk.Color(0xFFFF,0,0, 1))
- butt.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0xFFFF,0,0xFFFF, 2))
- box.pack_start(butt, False, False, 5)
- self.buttons.append([butt,title,0])
- butt.connect("clicked", self.buttcallback)
- butt.show()
- return butt
-
- def mbutton(self,box,mess,title=""):
- """Creates a mbutton (for sending a message)
- box: parent box
- title: if given, the button name, otherwise a default name is
- given, BN, where N is button number
- in order of creation.
- mess: message to be sent when button is clicked
- returns the widget instance"""
- self.mbutts = self.mbutts + 1
- if title == "":
- title = "B%d" % self.mbutts
- butt = gtk.Button(title)
- butt.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0x0FFF,0,0x00FF, 1))
- butt.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0xFFFF,0xFFFF,0x0000, 2))
- box.pack_start(butt, False, False, 5)
- self.mbuttons.append([butt,title,mess])
- butt.connect("clicked", self.mbuttcallback)
- butt.show()
- return butt
-
- def box(self,vert=True, parent=None, padding=5):
- """creates a box
- vert: True, creates a vertical box; horiz.
- otherwise
- parent: parent box, None if this is a toplevel box
- padding: box padding
- returns the widget instance"""
- if vert:
- box = gtk.VBox()
- else:
- box = gtk.HBox()
- if parent:
- parent.pack_start(box, False, False, padding)
- else:
- self.outbox.pack_start(box, False, False, padding)
- self.boxes.append(box)
- box.show()
- return box
-
- def filechooser(self,box,title,label=""):
- """Creates a filechooser button
- title: button name, also file bus channel name
- box: parent box
- label: if given, alternative name, for display purposes only
- otherwise button will display its title."""
- if label == "": name = title
- else: name = label
- butt = gtk.Button(name)
- box.pack_start(butt, False, False, 5)
- self.buttons.append([butt,title,"0"])
- butt.connect("clicked", self.fbuttcallback)
- self.set_filechannel(title,"0")
- self.filenames.update({title:"0"})
- butt.show()
- return butt
-
- def slider(self,init, start, end, x, y, box, title="",vert=True,linear=True,dwid=100,label=""):
- """Creates a slider
- init: initial value
- start, end: start and end of slider range
- x, y: x and y sizes of slider
- box: parent box
- title: if given, the slider name,
- which will also be the bus channel
- name. Otherwise a default name is
- given, SN, where N is slider number
- in order of creation.
- vert: vertical slider (True), else horiz.
- linear: linear response (True), else exponential (zero or negative
- ranges are not allowed)
- dwid: display width in pixels
- label: if given, the alternative slider name, for display only
- returns the widget instance"""
- self.slids = self.slids + 1
- if title == "":
- title = "S%d" % self.slids
- a = end - start
- if vert:
- step = a/y
- adj = gtk.Adjustment(init,start,end,step,step,0)
- slider = gtk.VScale(adj)
- slider.set_inverted(True)
- else:
- step = a/x
- adj = gtk.Adjustment(init,start,end,step,step,0)
- slider = gtk.HScale(adj)
-
- slider.set_draw_value(False)
- if step < 1.0:
- slider.set_digits(3)
- elif step < 10:
- slider.set_digits(2)
- elif step < 100:
- slider.set_digits(1)
- else:
- slider.set_digits(0)
-
- entry = gtk.Entry(5)
- if vert: entry.set_size_request(dwid,50)
- else: entry.set_size_request(dwid,50)
- entry.set_editable(False)
-
- if not linear:
- if (init <= 0) or (start <= 0) or (end <= 0):
- linear = True
-
- if not linear:
- pos = end*math.log(1,end/start)
- slider.set_range(pos, end)
- pos = end*math.log(init/start,end/start)
- slider.set_value(pos)
-
- if label == "": name = title
- else: name = label
- entry.set_text("%f" % init)
- label = gtk.Label(name)
- slider.set_size_request(x,y)
- box.pack_start(slider, False, False, 5)
- box.pack_start(entry, False, False, 2)
- box.pack_start(label, False, False, 2)
- self.sliders.append([slider,title,init,entry,linear,start,end])
- adj.connect("value_changed", self.slidcallback, slider)
- slider.show()
- entry.show()
- label.show()
- self.set_channel(title, init)
- return slider
-
- def spin(self,init, start, end, step, page, box, accel=0,title="",label=""):
- """Creates a spin button
- init: initial value
- start, end: start and end of slider range
- step, page: small and large step sizes
- box: parent box
- accel: acceleration or 'climb rate' (0.0-1.0)
- title: if given, the spin button name,
- which will also be the bus channel
- name. Otherwise a default name is
- given, SPN, where N is spin number
- in order of creation.
- label: if given, the alternative name for the widget, for display only.
- returns the widget instance"""
- self.spinbs = self.spinbs + 1
- if title == "":
- title = "SP%d" % self.spinbs
- adj = gtk.Adjustment(init,start,end,step,page,0)
- spin = gtk.SpinButton(adj,accel)
- if step < 1.0:
- spin.set_digits(3)
- elif step < 10:
- spin.set_digits(2)
- elif step < 100:
- spin.set_digits(1)
- else:
- spin.set_digits(0)
-
- if label == "": name = title
- else: name = label
- label = gtk.Label(name)
- box.pack_start(spin, False, False, 5)
- box.pack_start(label, False, False, 2)
- self.spins.append([spin,title,init])
- adj.connect("value_changed", self.spincallback, spin)
- spin.show()
- label.show()
- self.set_channel(title, init)
- return spin
-
- def text(self, name, box=None,colour=(0,0,0)):
- """Creates a static text label
- name: text label
- box: parent box, None if text is to be placed toplevel
- colour: RGB values in a tuple (R,G,B)
- returns the widget instance"""
- label = gtk.Label(name)
- label.modify_fg(gtk.STATE_NORMAL, gtk.gdk.Color(colour[0],colour[1],colour[2], 0))
- if box:
- box.pack_start(label, False, False, 5)
- else:
- self.outbox.pack_start(label, False, False, 5)
- label.show()
- return label
-
- def framebox(self, name, vert=True, parent=None, colour=(0,0,0), padding=5):
- """Creates a frame box
- name: text label
- vert: vertical (True) box, else horiz.
- parent: parent box, if None, this is a toplevel box
- colour: RGB values in a tuple (R,G,B)
- padding: padding space
- returns the box widget instance"""
- frame = gtk.Frame(name)
- frame.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(colour[0],colour[1],colour[2], 0))
- frame.get_label_widget().modify_fg(gtk.STATE_NORMAL, gtk.gdk.Color(colour[0],colour[1],colour[2], 0))
- if parent:
- parent.pack_start(frame, False, False, padding)
- else:
- self.outbox.pack_start(frame, False, False, padding)
- if vert:
- box = gtk.VBox()
- else:
- box = gtk.HBox()
- frame.add(box)
- frame.show()
- box.show()
- return box
-
- def vsliderbank(self,items,init, start, end, x, y, box):
- """Creates a vertical slider bank
- items: number of sliders
- init: initial value
- start, end: start and end of slider range
- x, y: x and y sizes of slider
- box: parent box"""
- slid = self.slids
- for i in range(slid, slid+items):
- cbox = self.box(parent=box)
- self.slider(init,start,end,x,y,cbox)
-
- def hsliderbank(self,items,init, start, end, x, y, box):
- """Creates a horizontal slider bank
- items: number of sliders
- init: initial value
- start, end: start and end of slider range
- x, y: x and y sizes of slider
- box: parent box"""
- slid = self.slids
- for i in range(slid, slid+items):
- cbox = self.box(False,box)
- self.slider(init,start,end,x,y,cbox,"",False)
-
- def buttonbank(self,items, box):
- """Creates a button bank
- items: number of sliders
- box: parent box."""
- start = self.butts
- for i in range(start, start+items):
- self.button(box)
-
- def delete_event(self, widget, event, data=None):
- return False
-
- def get_toolbox(self):
- """Returns the Activity toolbox"""
- return self.toolbox
-
- def channels_reinit(self):
- """ resets channel to current widget values"""
- for j in self.buttons:
- self.set_channel(j[1],j[2])
- for j in self.sliders:
- if j[4]:
- self.set_channel(j[1],j[2])
- pass
- else:
- value = j[5]*pow(j[6]/j[5], j[2]/j[6])
- self.set_channel(j[1], value)
- for j in self.spins:
- self.set_channel(j[1],j[2])
-
-
-
- def widgets_reset(self):
- """ resets widget to channel values"""
- for j in self.buttons:
- self.button_setvalue(j[0], j[2])
- self.set_channel(j[1],j[2])
- for j in self.sliders:
- j[0].set_value(j[2])
- j[0].emit("value_changed")
- for j in self.spins:
- j[0].set_value(j[2])
- j[0].emit("value_changed")
-
- def channels_save(self):
- """ Saves a list with channel names and current values.
- Returns a list of tuples (channel_name, channel_value)"""
- chan_list = []
- for i in self.channel_widgets:
- for j in i:
- if(j[1] != "pause"):
- if(j[1] != "play"):
- if(j[1] != "reset"):
- chan_list.append((j[1],j[2]));
- return chan_list
-
- def channels_load(self, chan_list):
- """ Loads a list with channel names and values into the
- current channel list """
- for i in self.channnel_widgets:
- for j in i:
- cnt = 0
- while(j[1] == chan_list[cnt][0]):
- j[1] = chann_list[cnt][0]
- j[2] = chan_list[cnt][1]
- cnt = cnt+1
- self.widgets_reset()
-
- def set_channel_metadata(self):
- """ Saves channel data as metadata. Can be called in
- write_file() to save channel/widget data """
- mdata = self.channels_save()
- for i in mdata:
- self.window.metadata['channel-'+i[0]] = str(i[1])
-
- def get_channel_metadata(self):
- """ Retrieves channel data from metadata. Can be called after
- widgets have been created to retrieve channel data and
- reset widgets """
- for i in self.channel_widgets:
- for j in i:
- mdata = self.window.metadata.get('channel-'+j[1],'0')
- if mdata is None: continue
- else:
- try: j[2] = float(mdata)
- except: j[2] = mdata
- self.widgets_reset()
-
-
- def nofocus(self):
- pass
-
- def focus_connect(self):
- if not self.connected:
- self.focus = True
- self.in_id = self.window.connect('focus_in_event', self.focus_in)
- self.out_id = self.window.connect('focus_out_event', self.focus_out)
- self.connected = True
-
- def focus_disconnect(self):
- if self.connected:
- self.window.disconnect(self.in_id)
- self.window.disconnect(self.out_id)
- self.connected = False
-
- def __init__(self,act,colour=(-1,-1,-1),vert=True,toolbox=None):
- """Constructor
- act: activity object
- colour: bg colour RGB tuple (R,G, B)
- vert: True for vertical topmost arrangement, horiz. otherwise
- toolbox: activity toolbox object, if None (default) a
- standard toolbox will be supplied"""
- self.sliders = []
- self.slids = 0
- self.spins = []
- self.spinbs = 0
- self.buttons = []
- self.butts = 0
- self.cbbuttons = []
- self.cbbutts = 0
- self.mbuttons = []
- self.mbutts = 0
- self.boxes = []
- self.connected = False
- self.channel_widgets = [self.sliders, self.spins, self.buttons]
- self.filenames = dict()
- self.window = act
- if toolbox == None:
- self.toolbox = activity.ActivityToolbox(self.window)
- else: self.toolbox = toolbox
- self.window.set_toolbox(self.toolbox)
- self.toolbox.show()
- if colour[0] >= 0:
- self.window.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(colour[0],colour[1],colour[2], 0))
-
-
- if vert: self.outbox = gtk.VBox()
- else: self.outbox = gtk.HBox()
-
- self.window.set_canvas(self.outbox)
- self.data_path = os.path.join(act.get_activity_root(),"data/")
- self.outbox.show()
- self.logger = sugar.logger.logging.getLogger('csndsugui')
-
-
-
-class CsoundGUI(BasicGUI):
- """A class inheriting from BasicGUI containing a Csound instance and a performance
- thread instance."""
-
- def set_channel(self,name,val):
- """overrides the base method.
- sets the bus channel value, called by the widget callbacks
- channel names 'play', 'pause' and
- 'reset' are reserved for these respective uses"""
- if not self.ready:
- if name == "play":
- self.play()
- elif name == "pause":
- self.pause()
- elif name == "reset":
- self.reset()
- self.csound.SetChannel(name,val)
- else:
- BasicGUI.set_channel(self,name,val)
-
- def set_filechannel(self,chan,name):
- """overrides the base method, setting the channel string"""
- if not self.ready:
- self.csound.SetChannel(chan,name)
- else:
- BasicGUI.set_filechannel(self,chan,name)
-
- def set_message(self, mess):
- """overrides the base method, sends a score message"""
- self.perf.InputMessage(mess)
-
- def set_focus(self):
- """overrides the base class method, resetting/recompiling Csound"""
- if self.focus:
- self.compile()
- self.channels_reinit()
- if self.replay and not self.on:
- self.play()
- self.logger.debug("focus_off and playing")
- else:
- self.replay = self.on
- self.logger.debug("focus_out and stopping")
- self.reset()
-
- def play(self):
- """Starts a performance. """
- if not self.on:
- if self.paused: return
- self.on = True
- self.perf.Play()
- else:
- self.on = False
- self.perf.Pause()
-
- def pause(self):
- """Pauses a performance. """
- if self.on:
- self.on = False
- self.paused = True
- self.perf.Pause()
- elif self.paused:
- self.on = True
- self.paused = False
- self.perf.Play()
-
- def csd(self, name):
- """Sets the source CSD and compiles it.
- name: CSD filename
- returns zero if successful"""
- path = activity.get_bundle_path()
- if self.ready:
- res = self.csound.Compile("%s/%s" % (path,name))
- if not res:
- self.ready = False
- self.focus_connect()
- self.path = path
- self.name = name
- return res
-
- def recompile(self):
- """Recompiles the set CSD.
- returns zero if successful"""
- if not self.ready and self.name != "0":
- self.perf.Stop()
- self.perf.Join()
- self.on = False
- self.paused = False
- self.perf = csnd.CsoundPerformanceThread(self.csound)
- if self.arglist != None:
- res = self.csound.Compile(self.arglist.argc(),self.arglist.argv())
- else:
- res = self.csound.Compile("%s/%s" % (self.path,self.name))
- if(res): self.ready = True
- return res
-
- def compile(self,name=None,args=[]):
- """Compiles Csound code.
- name: CSD filename if given
- args: list of arguments (as strings)
- returns 0 if successful , non-zero if not."""
- if self.ready:
- if args != []:
- self.arglist = csnd.CsoundArgVList()
- self.path = activity.get_bundle_path()
- if name != None: self.name = name
- elif self.name == "0": return -1
- if self.arglist != None:
- if name != None:
- self.arglist.Append("csound")
- self.arglist.Append("%s/%s" % (self.path,self.name))
- for i in args:
- self.arglist.Append(i)
- res = self.csound.Compile(self.arglist.argc(),self.arglist.argv())
- else: res = self.csound.Compile("%s/%s" % (self.path,self.name))
- if not res:
- self.ready = False
- self.connect_focus()
- else:
- self.arglist = None
- return res
-
- def reset(self):
- """Resets Csound, ready for a new CSD"""
- if not self.ready:
- self.perf.Stop()
- self.perf.Join()
- self.on = False
- self.paused = False
- self.perf = csnd.CsoundPerformanceThread(self.csound)
- self.ready = True
-
- def close(self, event):
- self.reset()
- sys.exit(0)
-
- def __init__(self,act,colour=(-1,-1,-1),vert=True):
- """constructor
- act: activity object
- colour: bg colour RGB tuple (R,G, B)
- vert: True for vertical topmost arrangement, horiz. otherwise."""
- locale.setlocale(locale.LC_NUMERIC, 'C')
- self.csound = csnd.Csound()
- self.perf = csnd.CsoundPerformanceThread(self.csound)
- BasicGUI.__init__(self,act,colour,vert)
- self.ready = True
- self.on = False
- self.paused = False
- self.name = "0"
- self.arglist = None
- self.replay = False
-
+# sugar-aware GUI classes +# with boxes, sliders, spinbuttons, buttons, etc +# +# (c) Victor Lazzarini, 2006-08 +# +# This library is free software; you can redistribute it +# and/or modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# csndsugui 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 Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with csndsugui; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +# 02111-1307 USA +# +# As a special exception, if other files instantiate templates or +# use macros or inline functions from this file, this file does not +# by itself cause the resulting executable or library to be covered +# by the GNU Lesser General Public License. This exception does not +# however invalidate any other reasons why the library or executable +# file might be covered by the GNU Lesser General Public License. +# +# +# version 0.1.2 24/03/08 + +import pygtk +pygtk.require('2.0') +from sugar.activity import activity +import gtk +import sys +import csnd +import math +import locale +import os +import sugar.logger +import time + +class BasicGUI: + """Basic GUI with boxes, sliders, spins, buttons etc + using pygtk/sugar, from which GUI classes + can be derived for Csound use.""" + + def set_channel(self,name, val): + """basic bus channel setting method, + should be overriden for full-functionality.""" + self.logger.debug("channel:%s, value:%.1f" % (name,val)) + + def set_filechannel(self,chan,name): + """basic filename channel setting method + should be overriden for full-functionality.""" + self.logger.debug("channel:%s, filename:%s" % (chan,name)) + + + def set_message(self, mess): + """basic message setting method + should be overriden for full-functionality.""" + self.logger.debug(mess) + + def get_slider_value(self,name): + """returns the slider value + name: slider name (which should also be the attached bus channel name""" + for i in self.sliders: + if i[1] == name: + return i[2] + return 0 + + + def get_button_value(self,name): + """returns the button value (0 or 1) + name: button name (which should also be the attached bus channel name)""" + for i in self.buttons: + if i[1] == name: + return i[2] + return 0 + + def get_slider(self,name): + """returns the slider widget instance + name: slider name""" + for i in self.sliders: + if i[1] == name: + return i[0] + return 0 + + def get_button(self,name): + """returns the button widget instance + name: button name""" + for i in self.sliders: + if i[1] == name: + return i[0] + return 0 + + def set_focus(self): + """ called whenever the focus changes """ + self.logger.debug(self.focus) + + def focus_out(self, widget, event): + if(self.focus): + self.focus = False + self.set_focus() + + def focus_in(self, widget, event): + if(not self.focus): + self.focus = True + self.set_focus() + + def focus_back(self, widget, event): + self.window.disconnect(self.fback) + self.connect_focus() + + def buttcallback(self, widget, data=None): + for i in self.buttons: + if i[0] == widget: + if i[2]: + i[2] = 0 + i[0].modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0x0FFF,0,0x00FF, 2)) + i[0].modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0xFFFF,0,0xFFFF, 2)) + else: + i[2] = 1 + i[0].modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0xFFFF,0,0, 1)) + i[0].modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0xFFFF,0,0, 2)) + self.set_channel(i[1], i[2]) + + def button_setvalue(self, widget, value): + if not value: + widget.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0x0FFF,0,0x00FF, 2)) + widget.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0xFFFF,0,0xFFFF, 2)) + else: + widget.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0xFFFF,0,0, 1)) + widget.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0xFFFF,0,0, 2)) + + def mbuttcallback(self, widget, data=None): + for i in self.mbuttons: + if i[0] == widget: + self.set_message(i[2]) + + def slidcallback(self,adj,widget): + for i in self.sliders: + if i[0] == widget: + i[2] = adj.value + if i[4]: + self.set_channel(i[1],i[2]) + i[3].set_text("%f" % i[2]) + pass + else: + value = i[5]*pow(i[6]/i[5], i[2]/i[6]) + self.set_channel(i[1], value) + i[3].set_text("%.3f" % value) + pass + + def spincallback(self,adj,widget): + for i in self.spins: + if i[0] == widget: + i[2] = adj.value + self.set_channel(i[1],i[2]) + + def filecallback(self,widget): + name = self.curfile[0].get_filename() + self.set_filechannel(self.curfile[2], name) + for i in self.buttons: + if i[0] == self.curfile[1]: + i[2] = name + self.filenames.update({self.curfile[2] : name}) + self.curfile[0].destroy() + + + def destroy_chooser(self,widget): + self.curfile[0].destroy() + + def fbuttcallback(self, widget, data=None): + self.focus_disconnect() + self.fback = self.window.connect('focus_in_event', self.focus_back) + for i in self.buttons: + if i[0] == widget: + chooser = gtk.FileSelection(i[1]) + self.curfile = (chooser, i[0], i[1]) + chooser.set_filename(self.data_path) + chooser.ok_button.connect("clicked", self.filecallback) + chooser.cancel_button.connect("clicked", self.destroy_chooser) + chooser.show() + + + def cbbutton(self,box,callback,title=""): + """Creates a callbackbutton + box: parent box + callback: click callback + title: if given, the button name + returns the widget instance""" + self.cbbutts = self.cbbutts + 1 + butt = gtk.Button(" %s " % title) + box.pack_start(butt, False, False, 5) + self.cbbuttons.append([butt,title,0]) + butt.connect("clicked", callback) + butt.show() + return butt + + + def button(self,box, title="",label=""): + """Creates a button (on/off) + box: parent box + title: if given, the button name, + which will also be the bus channel + name. Otherwise a default name is + given, BN, where N is button number + in order of creation. + label: if given, an alternative button name, + which will be displayed instead of title + returns the widget instance""" + self.butts = self.butts + 1 + if title == "": + title = "B%d" % self.butts + if label == "": name = title + else: name = label + butt = gtk.Button(" %s " % name) + butt.modify_bg(gtk.STATE_ACTIVE, gtk.gdk.Color(0xFFFF,0,0, 1)) + butt.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0xFFFF,0,0xFFFF, 2)) + box.pack_start(butt, False, False, 5) + self.buttons.append([butt,title,0]) + butt.connect("clicked", self.buttcallback) + butt.show() + return butt + + def mbutton(self,box,mess,title=""): + """Creates a mbutton (for sending a message) + box: parent box + title: if given, the button name, otherwise a default name is + given, BN, where N is button number + in order of creation. + mess: message to be sent when button is clicked + returns the widget instance""" + self.mbutts = self.mbutts + 1 + if title == "": + title = "B%d" % self.mbutts + butt = gtk.Button(title) + butt.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0x0FFF,0,0x00FF, 1)) + butt.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0xFFFF,0xFFFF,0x0000, 2)) + box.pack_start(butt, False, False, 5) + self.mbuttons.append([butt,title,mess]) + butt.connect("clicked", self.mbuttcallback) + butt.show() + return butt + + def box(self,vert=True, parent=None, padding=5): + """creates a box + vert: True, creates a vertical box; horiz. + otherwise + parent: parent box, None if this is a toplevel box + padding: box padding + returns the widget instance""" + if vert: + box = gtk.VBox() + else: + box = gtk.HBox() + if parent: + parent.pack_start(box, False, False, padding) + else: + self.outbox.pack_start(box, False, False, padding) + self.boxes.append(box) + box.show() + return box + + def filechooser(self,box,title,label=""): + """Creates a filechooser button + title: button name, also file bus channel name + box: parent box + label: if given, alternative name, for display purposes only + otherwise button will display its title.""" + if label == "": name = title + else: name = label + butt = gtk.Button(name) + box.pack_start(butt, False, False, 5) + self.buttons.append([butt,title,"0"]) + butt.connect("clicked", self.fbuttcallback) + self.set_filechannel(title,"0") + self.filenames.update({title:"0"}) + butt.show() + return butt + + def slider(self,init, start, end, x, y, box, title="",vert=True,linear=True,dwid=100,label=""): + """Creates a slider + init: initial value + start, end: start and end of slider range + x, y: x and y sizes of slider + box: parent box + title: if given, the slider name, + which will also be the bus channel + name. Otherwise a default name is + given, SN, where N is slider number + in order of creation. + vert: vertical slider (True), else horiz. + linear: linear response (True), else exponential (zero or negative + ranges are not allowed) + dwid: display width in pixels + label: if given, the alternative slider name, for display only + returns the widget instance""" + self.slids = self.slids + 1 + if title == "": + title = "S%d" % self.slids + a = end - start + if vert: + step = a/y + adj = gtk.Adjustment(init,start,end,step,step,0) + slider = gtk.VScale(adj) + slider.set_inverted(True) + else: + step = a/x + adj = gtk.Adjustment(init,start,end,step,step,0) + slider = gtk.HScale(adj) + + slider.set_draw_value(False) + if step < 1.0: + slider.set_digits(3) + elif step < 10: + slider.set_digits(2) + elif step < 100: + slider.set_digits(1) + else: + slider.set_digits(0) + + entry = gtk.Entry(5) + if vert: entry.set_size_request(dwid,50) + else: entry.set_size_request(dwid,50) + entry.set_editable(False) + + if not linear: + if (init <= 0) or (start <= 0) or (end <= 0): + linear = True + + if not linear: + pos = end*math.log(1,end/start) + slider.set_range(pos, end) + pos = end*math.log(init/start,end/start) + slider.set_value(pos) + + if label == "": name = title + else: name = label + entry.set_text("%f" % init) + label = gtk.Label(name) + slider.set_size_request(x,y) + box.pack_start(slider, False, False, 5) + box.pack_start(entry, False, False, 2) + box.pack_start(label, False, False, 2) + self.sliders.append([slider,title,init,entry,linear,start,end]) + adj.connect("value_changed", self.slidcallback, slider) + slider.show() + entry.show() + label.show() + self.set_channel(title, init) + return slider + + def spin(self,init, start, end, step, page, box, accel=0,title="",label=""): + """Creates a spin button + init: initial value + start, end: start and end of slider range + step, page: small and large step sizes + box: parent box + accel: acceleration or 'climb rate' (0.0-1.0) + title: if given, the spin button name, + which will also be the bus channel + name. Otherwise a default name is + given, SPN, where N is spin number + in order of creation. + label: if given, the alternative name for the widget, for display only. + returns the widget instance""" + self.spinbs = self.spinbs + 1 + if title == "": + title = "SP%d" % self.spinbs + adj = gtk.Adjustment(init,start,end,step,page,0) + spin = gtk.SpinButton(adj,accel) + if step < 1.0: + spin.set_digits(3) + elif step < 10: + spin.set_digits(2) + elif step < 100: + spin.set_digits(1) + else: + spin.set_digits(0) + + if label == "": name = title + else: name = label + label = gtk.Label(name) + box.pack_start(spin, False, False, 5) + box.pack_start(label, False, False, 2) + self.spins.append([spin,title,init]) + adj.connect("value_changed", self.spincallback, spin) + spin.show() + label.show() + self.set_channel(title, init) + return spin + + def text(self, name, box=None,colour=(0,0,0)): + """Creates a static text label + name: text label + box: parent box, None if text is to be placed toplevel + colour: RGB values in a tuple (R,G,B) + returns the widget instance""" + label = gtk.Label(name) + label.modify_fg(gtk.STATE_NORMAL, gtk.gdk.Color(colour[0],colour[1],colour[2], 0)) + if box: + box.pack_start(label, False, False, 5) + else: + self.outbox.pack_start(label, False, False, 5) + label.show() + return label + + def framebox(self, name, vert=True, parent=None, colour=(0,0,0), padding=5): + """Creates a frame box + name: text label + vert: vertical (True) box, else horiz. + parent: parent box, if None, this is a toplevel box + colour: RGB values in a tuple (R,G,B) + padding: padding space + returns the box widget instance""" + frame = gtk.Frame(name) + frame.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(colour[0],colour[1],colour[2], 0)) + frame.get_label_widget().modify_fg(gtk.STATE_NORMAL, gtk.gdk.Color(colour[0],colour[1],colour[2], 0)) + if parent: + parent.pack_start(frame, False, False, padding) + else: + self.outbox.pack_start(frame, False, False, padding) + if vert: + box = gtk.VBox() + else: + box = gtk.HBox() + frame.add(box) + frame.show() + box.show() + return box + + def vsliderbank(self,items,init, start, end, x, y, box): + """Creates a vertical slider bank + items: number of sliders + init: initial value + start, end: start and end of slider range + x, y: x and y sizes of slider + box: parent box""" + slid = self.slids + for i in range(slid, slid+items): + cbox = self.box(parent=box) + self.slider(init,start,end,x,y,cbox) + + def hsliderbank(self,items,init, start, end, x, y, box): + """Creates a horizontal slider bank + items: number of sliders + init: initial value + start, end: start and end of slider range + x, y: x and y sizes of slider + box: parent box""" + slid = self.slids + for i in range(slid, slid+items): + cbox = self.box(False,box) + self.slider(init,start,end,x,y,cbox,"",False) + + def buttonbank(self,items, box): + """Creates a button bank + items: number of sliders + box: parent box.""" + start = self.butts + for i in range(start, start+items): + self.button(box) + + def delete_event(self, widget, event, data=None): + return False + + def get_toolbox(self): + """Returns the Activity toolbox""" + return self.toolbox + + def channels_reinit(self): + """ resets channel to current widget values""" + for j in self.buttons: + self.set_channel(j[1],j[2]) + for j in self.sliders: + if j[4]: + self.set_channel(j[1],j[2]) + pass + else: + value = j[5]*pow(j[6]/j[5], j[2]/j[6]) + self.set_channel(j[1], value) + for j in self.spins: + self.set_channel(j[1],j[2]) + + + + def widgets_reset(self): + """ resets widget to channel values""" + for j in self.buttons: + self.button_setvalue(j[0], j[2]) + self.set_channel(j[1],j[2]) + for j in self.sliders: + j[0].set_value(j[2]) + j[0].emit("value_changed") + for j in self.spins: + j[0].set_value(j[2]) + j[0].emit("value_changed") + + def channels_save(self): + """ Saves a list with channel names and current values. + Returns a list of tuples (channel_name, channel_value)""" + chan_list = [] + for i in self.channel_widgets: + for j in i: + if(j[1] != "pause"): + if(j[1] != "play"): + if(j[1] != "reset"): + chan_list.append((j[1],j[2])); + return chan_list + + def channels_load(self, chan_list): + """ Loads a list with channel names and values into the + current channel list """ + for i in self.channnel_widgets: + for j in i: + cnt = 0 + while(j[1] == chan_list[cnt][0]): + j[1] = chann_list[cnt][0] + j[2] = chan_list[cnt][1] + cnt = cnt+1 + self.widgets_reset() + + def set_channel_metadata(self): + """ Saves channel data as metadata. Can be called in + write_file() to save channel/widget data """ + mdata = self.channels_save() + for i in mdata: + self.window.metadata['channel-'+i[0]] = str(i[1]) + + def get_channel_metadata(self): + """ Retrieves channel data from metadata. Can be called after + widgets have been created to retrieve channel data and + reset widgets """ + for i in self.channel_widgets: + for j in i: + mdata = self.window.metadata.get('channel-'+j[1],'0') + if mdata is None: continue + else: + try: j[2] = float(mdata) + except: j[2] = mdata + self.widgets_reset() + + + def nofocus(self): + pass + + def focus_connect(self): + if not self.connected: + self.focus = True + self.in_id = self.window.connect('focus_in_event', self.focus_in) + self.out_id = self.window.connect('focus_out_event', self.focus_out) + self.connected = True + + def focus_disconnect(self): + if self.connected: + self.window.disconnect(self.in_id) + self.window.disconnect(self.out_id) + self.connected = False + + def __init__(self,act,colour=(-1,-1,-1),vert=True,toolbox=None): + """Constructor + act: activity object + colour: bg colour RGB tuple (R,G, B) + vert: True for vertical topmost arrangement, horiz. otherwise + toolbox: activity toolbox object, if None (default) a + standard toolbox will be supplied""" + self.sliders = [] + self.slids = 0 + self.spins = [] + self.spinbs = 0 + self.buttons = [] + self.butts = 0 + self.cbbuttons = [] + self.cbbutts = 0 + self.mbuttons = [] + self.mbutts = 0 + self.boxes = [] + self.connected = False + self.channel_widgets = [self.sliders, self.spins, self.buttons] + self.filenames = dict() + self.window = act + if toolbox == None: + self.toolbox = activity.ActivityToolbox(self.window) + else: self.toolbox = toolbox + self.window.set_toolbox(self.toolbox) + self.toolbox.show() + if colour[0] >= 0: + self.window.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(colour[0],colour[1],colour[2], 0)) + + + if vert: self.outbox = gtk.VBox() + else: self.outbox = gtk.HBox() + + self.window.set_canvas(self.outbox) + self.data_path = os.path.join(act.get_activity_root(),"data/") + self.outbox.show() + self.logger = sugar.logger.logging.getLogger('csndsugui') + + + +class CsoundGUI(BasicGUI): + """A class inheriting from BasicGUI containing a Csound instance and a performance + thread instance.""" + + def set_channel(self,name,val): + """overrides the base method. + sets the bus channel value, called by the widget callbacks + channel names 'play', 'pause' and + 'reset' are reserved for these respective uses""" + if not self.ready: + if name == "play": + self.play() + elif name == "pause": + self.pause() + elif name == "reset": + self.reset() + self.csound.SetChannel(name,val) + else: + BasicGUI.set_channel(self,name,val) + + def set_filechannel(self,chan,name): + """overrides the base method, setting the channel string""" + if not self.ready: + self.csound.SetChannel(chan,name) + else: + BasicGUI.set_filechannel(self,chan,name) + + def set_message(self, mess): + """overrides the base method, sends a score message""" + self.perf.InputMessage(mess) + + def set_focus(self): + """overrides the base class method, resetting/recompiling Csound""" + if self.focus: + self.compile() + self.channels_reinit() + if self.replay and not self.on: + self.play() + self.logger.debug("focus_off and playing") + else: + self.replay = self.on + self.logger.debug("focus_out and stopping") + self.reset() + + def play(self): + """Starts a performance. """ + if not self.on: + if self.paused: return + self.on = True + self.perf.Play() + else: + self.on = False + self.perf.Pause() + + def pause(self): + """Pauses a performance. """ + if self.on: + self.on = False + self.paused = True + self.perf.Pause() + elif self.paused: + self.on = True + self.paused = False + self.perf.Play() + + def csd(self, name): + """Sets the source CSD and compiles it. + name: CSD filename + returns zero if successful""" + path = activity.get_bundle_path() + if self.ready: + res = self.csound.Compile("%s/%s" % (path,name)) + if not res: + self.ready = False + self.focus_connect() + self.path = path + self.name = name + return res + + def recompile(self): + """Recompiles the set CSD. + returns zero if successful""" + if not self.ready and self.name != "0": + self.perf.Stop() + self.perf.Join() + self.on = False + self.paused = False + self.perf = csnd.CsoundPerformanceThread(self.csound) + if self.arglist != None: + res = self.csound.Compile(self.arglist.argc(),self.arglist.argv()) + else: + res = self.csound.Compile("%s/%s" % (self.path,self.name)) + if(res): self.ready = True + return res + + def compile(self,name=None,args=[]): + """Compiles Csound code. + name: CSD filename if given + args: list of arguments (as strings) + returns 0 if successful , non-zero if not.""" + if self.ready: + if args != []: + self.arglist = csnd.CsoundArgVList() + self.path = activity.get_bundle_path() + if name != None: self.name = name + elif self.name == "0": return -1 + if self.arglist != None: + if name != None: + self.arglist.Append("csound") + self.arglist.Append("%s/%s" % (self.path,self.name)) + for i in args: + self.arglist.Append(i) + res = self.csound.Compile(self.arglist.argc(),self.arglist.argv()) + else: res = self.csound.Compile("%s/%s" % (self.path,self.name)) + if not res: + self.ready = False + self.connect_focus() + else: + self.arglist = None + return res + + def reset(self): + """Resets Csound, ready for a new CSD""" + if not self.ready: + self.perf.Stop() + self.perf.Join() + self.on = False + self.paused = False + self.perf = csnd.CsoundPerformanceThread(self.csound) + self.ready = True + + def close(self, event): + self.reset() + sys.exit(0) + + def __init__(self,act,colour=(-1,-1,-1),vert=True): + """constructor + act: activity object + colour: bg colour RGB tuple (R,G, B) + vert: True for vertical topmost arrangement, horiz. otherwise.""" + locale.setlocale(locale.LC_NUMERIC, 'C') + self.csound = csnd.Csound() + self.perf = csnd.CsoundPerformanceThread(self.csound) + BasicGUI.__init__(self,act,colour,vert) + self.ready = True + self.on = False + self.paused = False + self.name = "0" + self.arglist = None + self.replay = False + |