376 lines
14 KiB
Lua
376 lines
14 KiB
Lua
---------------------------------------------------------------------------
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--- Mouse module for awful
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--
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-- @author Julien Danjou <julien@danjou.info>
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-- @copyright 2008 Julien Danjou
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-- @release @AWESOME_VERSION@
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-- @module awful.mouse
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---------------------------------------------------------------------------
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-- Grab environment we need
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local layout = require("awful.layout")
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local tag = require("awful.tag")
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local aclient = require("awful.client")
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local widget = require("awful.widget")
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local awibox = require("awful.wibox")
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local util = require("awful.util")
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local type = type
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local math = math
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local ipairs = ipairs
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local capi =
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{
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root = root,
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mouse = mouse,
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screen = screen,
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client = client,
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mousegrabber = mousegrabber,
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}
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local finder = require("awful.mouse.finder")
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local mouse = {}
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mouse.client = {}
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mouse.wibox = {}
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--- Get the client object under the pointer.
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-- @return The client object under the pointer, if one can be found.
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function mouse.client_under_pointer()
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local obj = capi.mouse.object_under_pointer()
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if type(obj) == "client" then
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return obj
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end
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end
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--- Get the drawin object under the pointer.
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-- @return The drawin object under the pointer, if one can be found.
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function mouse.drawin_under_pointer()
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local obj = capi.mouse.object_under_pointer()
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if type(obj) == "drawin" then
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return obj
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end
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end
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local function snap_outside(g, sg, snap)
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if g.x < snap + sg.x + sg.width and g.x > sg.x + sg.width then
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g.x = sg.x + sg.width
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elseif g.x + g.width < sg.x and g.x + g.width > sg.x - snap then
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g.x = sg.x - g.width
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end
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if g.y < snap + sg.y + sg.height and g.y > sg.y + sg.height then
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g.y = sg.y + sg.height
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elseif g.y + g.height < sg.y and g.y + g.height > sg.y - snap then
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g.y = sg.y - g.height
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end
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return g
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end
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local function snap_inside(g, sg, snap)
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local edgev = 'none'
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local edgeh = 'none'
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if math.abs(g.x) < snap + sg.x and g.x > sg.x then
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edgev = 'left'
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g.x = sg.x
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elseif math.abs((sg.x + sg.width) - (g.x + g.width)) < snap then
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edgev = 'right'
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g.x = sg.x + sg.width - g.width
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end
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if math.abs(g.y) < snap + sg.y and g.y > sg.y then
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edgeh = 'top'
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g.y = sg.y
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elseif math.abs((sg.y + sg.height) - (g.y + g.height)) < snap then
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edgeh = 'bottom'
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g.y = sg.y + sg.height - g.height
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end
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-- What is the dominant dimension?
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if g.width > g.height then
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return g, edgeh
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else
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return g, edgev
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end
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end
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--- Snap a client to the closest client or screen edge.
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-- @param c The client to snap.
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-- @param snap The pixel to snap clients.
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-- @param x The client x coordinate.
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-- @param y The client y coordinate.
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-- @param fixed_x True if the client isn't allowed to move in the x direction.
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-- @param fixed_y True if the client isn't allowed to move in the y direction.
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function mouse.client.snap(c, snap, x, y, fixed_x, fixed_y)
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local snap = snap or 8
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local c = c or mouse.client.focus
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local cur_geom = c:geometry()
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local geom = c:geometry()
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geom.width = geom.width + (2 * c.border_width)
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geom.height = geom.height + (2 * c.border_width)
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local edge = "none"
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local edge2 = "none"
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geom.x = x or geom.x
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geom.y = y or geom.y
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geom, edge = snap_inside(geom, capi.screen[c.screen].geometry, snap)
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geom = snap_inside(geom, capi.screen[c.screen].workarea, snap)
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-- Allow certain windows to snap to the edge of the workarea.
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-- Only allow docking to workarea for consistency/to avoid problems.
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if aclient.dockable.get(c) then
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local struts = c:struts()
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struts['left'] = 0
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struts['right'] = 0
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struts['top'] = 0
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struts['bottom'] = 0
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if edge ~= "none" and aclient.floating.get(c) then
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if edge == "left" or edge == "right" then
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struts[edge] = cur_geom.width
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elseif edge == "top" or edge == "bottom" then
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struts[edge] = cur_geom.height
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end
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end
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c:struts(struts)
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end
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geom.x = geom.x - (2 * c.border_width)
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geom.y = geom.y - (2 * c.border_width)
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for k, snapper in ipairs(aclient.visible(c.screen)) do
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if snapper ~= c then
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geom = snap_outside(geom, snapper:geometry(), snap)
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end
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end
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geom.width = geom.width - (2 * c.border_width)
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geom.height = geom.height - (2 * c.border_width)
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geom.x = geom.x + (2 * c.border_width)
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geom.y = geom.y + (2 * c.border_width)
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-- It's easiest to undo changes afterwards if they're not allowed
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if fixed_x then geom.x = cur_geom.x end
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if fixed_y then geom.y = cur_geom.y end
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return geom
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end
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--- Move a client.
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-- @param c The client to move, or the focused one if nil.
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-- @param snap The pixel to snap clients.
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-- @param finished_cb An optional callback function, that will be called
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-- when moving the client has been finished. The client
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-- that has been moved will be passed to that function.
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function mouse.client.move(c, snap, finished_cb)
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local c = c or capi.client.focus
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if not c
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or c.fullscreen
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or c.type == "desktop"
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or c.type == "splash"
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or c.type == "dock" then
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return
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end
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local orig = c:geometry()
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local m_c = capi.mouse.coords()
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local dist_x = m_c.x - orig.x
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local dist_y = m_c.y - orig.y
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-- Only allow moving in the non-maximized directions
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local fixed_x = c.maximized_horizontal
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local fixed_y = c.maximized_vertical
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capi.mousegrabber.run(function (_mouse)
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for k, v in ipairs(_mouse.buttons) do
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if v then
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local lay = layout.get(c.screen)
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if lay == layout.suit.floating or aclient.floating.get(c) then
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local x = _mouse.x - dist_x
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local y = _mouse.y - dist_y
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c:geometry(mouse.client.snap(c, snap, x, y, fixed_x, fixed_y))
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elseif lay ~= layout.suit.magnifier then
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-- Only move the client to the mouse
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-- screen if the target screen is not
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-- floating.
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-- Otherwise, we move if via geometry.
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if layout.get(capi.mouse.screen) == layout.suit.floating then
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local x = _mouse.x - dist_x
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local y = _mouse.y - dist_y
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c:geometry(mouse.client.snap(c, snap, x, y, fixed_x, fixed_y))
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else
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c.screen = capi.mouse.screen
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end
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if layout.get(c.screen) ~= layout.suit.floating then
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local c_u_m = mouse.client_under_pointer()
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if c_u_m and not aclient.floating.get(c_u_m) then
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if c_u_m ~= c then
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c:swap(c_u_m)
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end
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end
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end
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end
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return true
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end
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end
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if finished_cb then
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finished_cb(c)
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end
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return false
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end, "fleur")
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end
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mouse.client.dragtotag = { }
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--- Move a client to a tag by dragging it onto the left / right side of the screen
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-- @param c The client to move
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function mouse.client.dragtotag.border(c)
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capi.mousegrabber.run(function (_mouse)
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local button_down = false
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for _, v in ipairs(_mouse.buttons) do
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if v then button_down = true end
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end
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local wa = capi.screen[c.screen].workarea
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if _mouse.x >= wa.x + wa.width then
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capi.mouse.coords({ x = wa.x + wa.width - 1 })
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elseif _mouse.x <= wa.x then
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capi.mouse.coords({ x = wa.x + 1 })
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end
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if not button_down then
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local tags = tag.gettags(c.screen)
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local t = tag.selected()
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local idx
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for i, v in ipairs(tags) do
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if v == t then
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idx = i
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end
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end
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if _mouse.x > wa.x + wa.width - 10 then
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local newtag = tags[util.cycle(#tags, idx + 1)]
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aclient.movetotag(newtag, c)
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tag.viewnext()
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elseif _mouse.x < wa.x + 10 then
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local newtag = tags[util.cycle(#tags, idx - 1)]
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aclient.movetotag(newtag, c)
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tag.viewprev()
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end
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return false
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end
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return true
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end, "fleur")
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end
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--- Move the wibox under the cursor
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--@param w The wibox to move, or none to use that under the pointer
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function mouse.wibox.move(w)
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local w = w or mouse.wibox_under_pointer()
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if not w then return end
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local offset = {
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x = w.x - capi.mouse.coords().x,
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y = w.y - capi.mouse.coords().y
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}
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capi.mousegrabber.run(function (_mouse)
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local button_down = false
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if awibox.get_position(w) == "floating" then
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w.x = capi.mouse.coords().x + offset.x
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w.y = capi.mouse.coords().y + offset.y
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else
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local wa = capi.screen[capi.mouse.screen].workarea
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if capi.mouse.coords()["y"] > wa.y + wa.height - 10 then
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awibox.set_position(w, "bottom", w.screen)
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elseif capi.mouse.coords()["y"] < wa.y + 10 then
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awibox.set_position(w, "top", w.screen)
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elseif capi.mouse.coords()["x"] > wa.x + wa.width - 10 then
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awibox.set_position(w, "right", w.screen)
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elseif capi.mouse.coords()["x"] < wa.x + 10 then
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awibox.set_position(w, "left", w.screen)
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end
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w.screen = capi.mouse.screen
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end
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for k, v in ipairs(_mouse.buttons) do
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if v then button_down = true end
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end
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if not button_down then
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return false
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end
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return true
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end, "fleur")
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end
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--- Get a client corner coordinates.
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-- @param c The client to get corner from, focused one by default.
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-- @param corner The corner to use: auto, top_left, top_right, bottom_left,
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-- bottom_right. Default is auto, and auto find the nearest corner.
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-- @return Actual used corner and x and y coordinates.
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function mouse.client.corner(c, corner)
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local c = c or capi.client.focus
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if not c then return end
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local g = c:geometry()
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if not corner or corner == "auto" then
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local m_c = capi.mouse.coords()
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if math.abs(g.y - m_c.y) < math.abs(g.y + g.height - m_c.y) then
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if math.abs(g.x - m_c.x) < math.abs(g.x + g.width - m_c.x) then
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corner = "top_left"
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else
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corner = "top_right"
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end
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else
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if math.abs(g.x - m_c.x) < math.abs(g.x + g.width - m_c.x) then
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corner = "bottom_left"
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else
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corner = "bottom_right"
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end
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end
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end
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local x, y
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if corner == "top_right" then
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x = g.x + g.width
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y = g.y
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elseif corner == "top_left" then
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x = g.x
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y = g.y
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elseif corner == "bottom_left" then
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x = g.x
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y = g.y + g.height
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else
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x = g.x + g.width
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y = g.y + g.height
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end
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return corner, x, y
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end
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--- Resize a client.
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-- @param c The client to resize, or the focused one by default.
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-- @param corner The corner to grab on resize. Auto detected by default.
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function mouse.client.resize(c, corner)
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local c = c or capi.client.focus
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if not c then return end
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if c.fullscreen
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or c.type == "desktop"
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or c.type == "splash"
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or c.type == "dock" then
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return
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end
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local lay = layout.get(c.screen)
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local corner, x, y = mouse.client.corner(c, corner)
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if lay == layout.suit.floating or aclient.floating.get(c) then
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return layout.suit.floating.mouse_resize_handler(c, corner, x, y)
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elseif lay.mouse_resize_handler then
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return lay.mouse_resize_handler(c, corner, x, y)
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end
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end
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-- Set the cursor at startup
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capi.root.cursor("left_ptr")
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return mouse
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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