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# -*- Mode: Python; coding: utf-8; indent-tabs-mode: nil; tab-width: 4 -*-
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# Copyright 2012 Canonical
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# Author: Thomi Richards
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 3, as published
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# by the Free Software Foundation.
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from compizconfig import Plugin, Setting
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from autopilot.globals import global_context
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from autopilot.keybindings import KeybindingsHelper
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from autopilot.utilities import get_desktop_viewport, get_desktop_geometry
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class WorkspaceManager(KeybindingsHelper):
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"""Class to manage switching to different workspaces."""
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super(WorkspaceManager, self).__init__()
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self.refresh_workspace_information()
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def num_workspaces(self):
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"""The number of workspaces configured."""
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return self._workspaces_wide * self._workspaces_high
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def current_workspace(self):
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"""The current workspace number. 0 <= x < num_workspaces."""
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vx,vy = get_desktop_viewport()
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return self._coordinates_to_vp_number(vx, vy)
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def refresh_workspace_information(self):
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"""Re-read information about available workspaces from compiz and X11."""
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self._workspaces_wide = self._get_compiz_option("core", "hsize")
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self._workspaces_high = self._get_compiz_option("core", "vsize")
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self._desktop_width, self.desktop_height = get_desktop_geometry()
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self._viewport_width = self._desktop_width / self._workspaces_wide
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self._viewport_height = self.desktop_height / self._workspaces_high
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def switch_to(self, workspace_num):
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"""Switch to the workspace specified.
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ValueError is raised if workspace_num is outside 0<= workspace_num < num_workspaces.
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if workspace_num < 0 or workspace_num >= self.num_workspaces:
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raise ValueError("Workspace number must be between 0 and %d" % self.num_workspaces)
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current_row, current_col = self._vp_number_to_row_col(self.current_workspace)
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target_row, target_col = self._vp_number_to_row_col(workspace_num)
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lefts = rights = ups = downs = 0
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if current_col > target_col:
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lefts = current_col - target_col
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rights = target_col - current_col
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if current_row > target_row:
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ups = current_row - target_row
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downs = target_row - current_row
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for i in range(lefts):
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self.keybinding("workspace/move_left")
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for i in range(rights):
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self.keybinding("workspace/move_right")
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self.keybinding("workspace/move_up")
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for i in range(downs):
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self.keybinding("workspace/move_down")
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def _coordinates_to_vp_number(self, vx, vy):
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"""Translate viewport coordinates to a viewport number."""
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row,col = self._coordinates_to_row_col(vx, vy)
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return (row * self._workspaces_wide) + col
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def _coordinates_to_row_col(self, vx, vy):
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"""Translate viewport coordinates to viewport row,col."""
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row = vy / self._viewport_height
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col = vx / self._viewport_width
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def _vp_number_to_row_col(self, vp_number):
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"""Translate a viewport number to a viewport row/col."""
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row = vp_number / self._workspaces_wide
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col = vp_number % self._workspaces_wide
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def _get_compiz_option(self, plugin_name, setting_name):
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plugin = Plugin(global_context, plugin_name)
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setting = Setting(plugin, setting_name)
added
removed
autopilot/emulators/unity/workspace.py
