256 lines
9 KiB
Python
256 lines
9 KiB
Python
###########################################################################
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### Functions for cycling focus (in a 'stacked' order) between windows. ###
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###########################################################################
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###########################################################################
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### Options that affect the behavior of the stackedcycle module. ###
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###########################################################################
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INCLUDE_ALL_DESKTOPS = 0
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"""If this is non-zero then windows from all desktops will be included in
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the stacking list."""
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INCLUDE_ICONS = 1
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"""If this is non-zero then windows which are iconified on the current desktop
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will be included in the stacking list."""
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INCLUDE_ICONS_ALL_DESKTOPS = 1
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"""If this is non-zero then windows which are iconified from all desktops
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will be included in the stacking list."""
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INCLUDE_OMNIPRESENT = 1
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"""If this is non-zero then windows which are on all-desktops at once will
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be included."""
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TITLE_SIZE_LIMIT = 80
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"""This specifies a rough limit of characters for the cycling list titles.
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Titles which are larger will be chopped with an elipsis in their
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center."""
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ACTIVATE_WHILE_CYCLING = 1
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"""If this is non-zero then windows will be activated as they are
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highlighted in the cycling list (except iconified windows)."""
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# See focus.AVOID_SKIP_TASKBAR
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# See focuscycle.RAISE_WINDOW
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###########################################################################
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def next(data):
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"""Focus the next window."""
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if not data.state:
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raise RuntimeError("stackedcycle.next must be bound to a key" +
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"combination with at least one modifier")
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_o.cycle(data, 1)
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def previous(data):
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"""Focus the previous window."""
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if not data.state:
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raise RuntimeError("stackedcycle.previous must be bound to a key" +
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"combination with at least one modifier")
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_o.cycle(data, 0)
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###########################################################################
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###########################################################################
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###########################################################################
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### Internal stuff, should not be accessed outside the module. ###
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###########################################################################
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import otk
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import ob
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import focus
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import focuscycle
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class _cycledata:
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def __init__(self):
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self.cycling = 0
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def createpopup(self):
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self.widget = otk.Widget(self.screen.number(), ob.openbox,
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otk.Widget.Vertical, 0, 1)
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def destroypopup(self):
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self.menuwidgets = []
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self.widget = 0
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def shouldadd(self, client):
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"""Determines if a client should be added to the list."""
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curdesk = self.screen.desktop()
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desk = client.desktop()
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if not client.normal(): return 0
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if not (client.canFocus() or client.focusNotify()): return 0
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if focus.AVOID_SKIP_TASKBAR and client.skipTaskbar(): return 0
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if client.iconic():
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if INCLUDE_ICONS:
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if INCLUDE_ICONS_ALL_DESKTOPS: return 1
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if desk == curdesk: return 1
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return 0
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if INCLUDE_OMNIPRESENT and desk == 0xffffffff: return 1
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if INCLUDE_ALL_DESKTOPS: return 1
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if desk == curdesk: return 1
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return 0
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def populatelist(self):
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"""Populates self.clients and self.menuwidgets, and then shows and
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positions the cycling popup."""
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self.widget.hide()
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try:
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current = self.clients[self.menupos]
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except IndexError: current = 0
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oldpos = self.menupos
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self.menupos = -1
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# get the list of clients, keeping iconic windows at the bottom
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self.clients = []
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iconic_clients = []
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for c in focus._clients:
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if c.iconic(): iconic_clients.append(c)
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else: self.clients.append(c)
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self.clients.extend(iconic_clients)
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# make the widgets
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i = 0
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self.menuwidgets = []
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while i < len(self.clients):
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c = self.clients[i]
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if not self.shouldadd(c):
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# make the clients and menuwidgets lists match
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self.clients.pop(i)
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continue
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w = otk.Label(self.widget)
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if current and c.window() == current.window():
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self.menupos = i
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w.setHighlighted(1)
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self.menuwidgets.append(w)
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if c.iconic(): t = c.iconTitle()
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else: t = c.title()
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if INCLUDE_ALL_DESKTOPS:
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d = c.desktop()
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if d == 0xffffffff: d = self.screen.desktop()
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t = self.screen.desktopName(d) + " - " + t
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if len(t) > TITLE_SIZE_LIMIT: # limit the length of titles
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t = t[:TITLE_SIZE_LIMIT / 2 - 2] + "..." + \
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t[0 - TITLE_SIZE_LIMIT / 2 - 2:]
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w.setText(t)
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i += 1
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# the window we were on may be gone
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if self.menupos < 0:
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# try stay at the same spot in the menu
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if oldpos >= len(self.clients):
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self.menupos = len(self.clients) - 1
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else:
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self.menupos = oldpos
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# find the size for the popup
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width = 0
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height = 0
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for w in self.menuwidgets:
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size = w.minSize()
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if size.width() > width: width = size.width()
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height += size.height()
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# show or hide the list and its child widgets
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if len(self.clients) > 1:
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size = self.screeninfo.size()
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self.widget.moveresize(otk.Rect((size.width() - width) / 2,
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(size.height() - height) / 2,
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width, height))
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self.widget.show(1)
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def activatetarget(self, final):
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try:
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client = self.clients[self.menupos]
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except IndexError: return # empty list makes for this
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# move the to client's desktop if required
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if not (client.iconic() or client.desktop() == 0xffffffff or \
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client.desktop() == self.screen.desktop()):
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root = self.screeninfo.rootWindow()
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ob.send_client_msg(root, otk.atoms.net_current_desktop,
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root, client.desktop())
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# send a net_active_window message for the target
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if final or not client.iconic():
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if final: r = focuscycle.RAISE_WINDOW
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else: r = 0
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ob.send_client_msg(self.screeninfo.rootWindow(),
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otk.atoms.openbox_active_window,
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client.window(), final, r)
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if not final:
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focus._skip += 1
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def cycle(self, data, forward):
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if not self.cycling:
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ob.kgrab(data.screen, _grabfunc)
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# the pointer grab causes pointer events during the keyboard grab
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# to go away, which means we don't get enter notifies when the
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# popup disappears, screwing up the focus
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ob.mgrab(data.screen)
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self.cycling = 1
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self.state = data.state
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self.screen = ob.openbox.screen(data.screen)
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self.screeninfo = otk.display.screenInfo(data.screen)
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self.menupos = 0
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self.createpopup()
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self.clients = [] # so it doesnt try start partway through the list
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self.populatelist()
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if not len(self.clients): return # don't both doing anything
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self.menuwidgets[self.menupos].setHighlighted(0)
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if forward:
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self.menupos += 1
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else:
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self.menupos -= 1
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# wrap around
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if self.menupos < 0: self.menupos = len(self.clients) - 1
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elif self.menupos >= len(self.clients): self.menupos = 0
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self.menuwidgets[self.menupos].setHighlighted(1)
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if ACTIVATE_WHILE_CYCLING:
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self.activatetarget(0) # activate, but dont deiconify/unshade/raise
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def grabfunc(self, data):
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done = 0
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notreverting = 1
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# have all the modifiers this started with been released?
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if not self.state == data.state:
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done = 1
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elif data.action == ob.KeyAction.Press:
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# has Escape been pressed?
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if data.key == "Escape":
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done = 1
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notreverting = 0
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# revert
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self.menupos = 0
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# has Enter been pressed?
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elif data.key == "Return":
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done = 1
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if done:
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# activate, and deiconify/unshade/raise
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self.activatetarget(notreverting)
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self.destroypopup()
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self.cycling = 0
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ob.kungrab()
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ob.mungrab()
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def _newwindow(data):
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if _o.cycling: _o.populatelist()
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def _closewindow(data):
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if _o.cycling: _o.populatelist()
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def _grabfunc(data):
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_o.grabfunc(data)
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ob.ebind(ob.EventAction.NewWindow, _newwindow)
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ob.ebind(ob.EventAction.CloseWindow, _closewindow)
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_o = _cycledata()
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print "Loaded stackedcycle.py"
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