File: floating-group.lisp

package info (click to toggle)
stumpwm 1:20110819.gitca08e08-2
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 1,948 kB
  • sloc: lisp: 14,330; sh: 179; makefile: 112
file content (265 lines) | stat: -rw-r--r-- 11,414 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
;;; implementation of a floating style window management group

(in-package :stumpwm)

;;; floating window

(defclass float-window (window)
  ((last-width :initform 0 :accessor float-window-last-width)
   (last-height :initform 0 :accessor float-window-last-height)
   (last-x :initform 0 :accessor float-window-last-x)
   (last-y :initform 0 :accessor float-window-last-y))
  )

(defvar *float-window-border* 1)
(defvar *float-window-title-height* 10)

;; some book keeping functions
(defmethod (setf window-x) :before (val (window float-window))
  (unless (eql (window-x window) val)
    (setf (float-window-last-x window) (window-x window))))

(defmethod (setf window-y) :before (val (window float-window))
  (unless (eql (window-y window) val)
    (setf (float-window-last-y window) (window-y window))))

(defmethod (setf window-width) :before (val (window float-window))
  (unless (eql (window-width window) val)
    (setf (float-window-last-width window) (window-width window))))

(defmethod (setf window-height) :before (val (window float-window))
  (unless (eql (window-height window) val)
    (setf (float-window-last-height window) (window-height window))))

(defun float-window-move-resize (win &key x y width height (border *float-window-border*))
  ;; x and y position the parent window while width, height resize the
  ;; xwin (meaning the parent will have a larger width).
  (with-slots (xwin parent) win
    (xlib:with-state (parent)
      (xlib:with-state (xwin)
        (when x
          (setf (xlib:drawable-x parent) x
                (window-x win) x))
        (when y
          (setf (xlib:drawable-y parent) y
                (window-y win) y))
        (when width
          (setf (xlib:drawable-width parent) (+ (xlib:drawable-x xwin) width border)
                (xlib:drawable-width xwin) width
                (window-width win) width))
        (when height
          (setf (xlib:drawable-height parent) (+ (xlib:drawable-y xwin) height border)
                (xlib:drawable-height xwin) height
                (window-height win) height))))))

(defmethod update-decoration ((window float-window))
  (let ((group (window-group window)))
    (setf (xlib:window-background (window-parent window))
          (xlib:alloc-color (xlib:screen-default-colormap (screen-number (window-screen window)))
                            (if (eq (group-current-window group) window)
                                "Orange"
                                "SteelBlue4")))
    (xlib:clear-area (window-parent window))))

(defmethod window-sync ((window float-window) hint)
  (declare (ignore hint))
  )

(defmethod window-head ((window float-window))
  (dolist (head (screen-heads (group-screen (window-group window))))
    (when (and
           (>= (window-x window) (frame-x head))
           (>= (window-y window) (frame-y head))
           (<= (+ (window-x window) (window-width window))
               (+ (frame-x head) (frame-width head)))
           (<= (+ (window-y window) (window-height window))
               (+ (frame-y head) (frame-height head))))
      (return head))))

(defmethod window-visible-p ((win float-window))
  (eql (window-state win) +normal-state+))

(defmethod (setf window-fullscreen) :after (val (window float-window))
  (with-slots (last-x last-y last-width last-height parent) window
    (if val
        (let ((head (window-head window)))
          (with-slots (x y width height) window
            (format t "major on: ~a ~a ~a ~a~%" x y width height))
          (set-window-geometry window :x 0 :y 0)
          (float-window-move-resize window
                                    :x (frame-x head)
                                    :y (frame-y head)
                                    :width (frame-width head)
                                    :height (frame-height head)
                                    :border 0)
          (format t "loot after: ~a ~a ~a ~a~%" last-x last-y last-width last-height))
        (progn
          (format t "fullscreenage: ~a ~a ~a ~a~%" last-x last-y last-width last-height)
          ;; restore the position
          (set-window-geometry window :x *float-window-border* :y *float-window-title-height*)
          (float-window-move-resize window
                                    :x last-x
                                    :y last-y
                                    :width last-width
                                    :height last-height)))))

;;; floating group

(defclass float-group (group)
  ((current-window :accessor float-group-current-window))
  )

(defmethod group-startup ((group float-group))
  )

(defmethod group-add-window ((group float-group) window &key &allow-other-keys)
  (change-class window 'float-window)
  (float-window-align window)
  (focus-window window))

(defun &float-focus-next (group)
  (if (group-windows group)
      (focus-window (first (group-windows group)))
      (no-focus group nil)))

(defmethod group-delete-window ((group float-group) window)
  (declare (ignore window))
  (&float-focus-next group))

(defmethod group-wake-up ((group float-group))
  (&float-focus-next group))

(defmethod group-suspend ((group float-group))
  )

(defmethod group-current-window ((group float-group))
  (screen-focus (group-screen group)))

(defmethod group-current-head ((group float-group))
  (first (screen-heads (group-screen group))))

(defun float-window-align (window)
  (with-slots (parent xwin width height) window
    (set-window-geometry window :x *float-window-border* :y *float-window-title-height*)
    (xlib:with-state (parent)
      (setf (xlib:drawable-width parent) (+ width (* 2 *float-window-border*))
            (xlib:drawable-height parent) (+ height *float-window-title-height* *float-window-border*)
            (xlib:window-background parent) (xlib:alloc-color (xlib:screen-default-colormap (screen-number (window-screen window)))
                                                              "Orange")))
    (xlib:clear-area (window-parent window))))
  
(defmethod group-resize-request ((group float-group) window width height)
  (float-window-move-resize window :width width :height height))

(defmethod group-move-request ((group float-group) window x y relative-to)
  (declare (ignore relative-to))
  (float-window-move-resize window :x x :y y))

(defmethod group-raise-request ((group float-group) window type)
  (declare (ignore type))
  (focus-window window))

(defmethod group-lost-focus ((group float-group))
  (&float-focus-next group))

(defmethod group-indicate-focus ((group float-group))
  )

(defmethod group-focus-window ((group float-group) window)
  (focus-window window))

(defmethod group-root-exposure ((group float-group))
  )

(defmethod group-add-head ((group float-group) head)
  (declare (ignore head)))

(defmethod group-remove-head ((group float-group) head)
  (declare (ignore head)))

(defmethod group-resize-head ((group float-group) oh nh)
  (declare (ignore oh nh)))

(defmethod group-sync-all-heads ((group float-group))
  )

(defmethod group-sync-head ((group float-group) head)
  (declare (ignore head))
  )

(defmethod group-button-press ((group float-group) x y (window float-window))
  (let ((screen (group-screen group)))
    (cond
      ((or (< x (xlib:drawable-x (window-xwin window)))
           (> x (+ (xlib:drawable-width (window-xwin window))
                   (xlib:drawable-x (window-xwin window))))
           (< y (xlib:drawable-y (window-xwin window)))
           (> y (+ (xlib:drawable-height (window-xwin window))
                   (xlib:drawable-y (window-xwin window)))))
       (multiple-value-bind (relx rely same-screen-p child state-mask)
           (xlib:query-pointer (window-parent window))
         (declare (ignore same-screen-p child))
         (let ((initial-width (xlib:drawable-width (slot-value window 'parent)))
               (initial-height (xlib:drawable-height (slot-value window 'parent))))
           (labels ((move-window-event-handler (&rest event-slots &key event-key &allow-other-keys)
                      (case event-key
                        (:button-release
                         :done)
                        (:motion-notify
                         (with-slots (parent) window
                           (xlib:with-state (parent)
                             ;; Either move or resize the window
                             (cond
                               ((find :button-1 (xlib:make-state-keys state-mask))
                                (setf (xlib:drawable-x parent) (- (getf event-slots :x) relx)
                                      (xlib:drawable-y parent) (- (getf event-slots :y) rely)))
                               ((find :button-3 (xlib:make-state-keys state-mask))
                                (let ((w (+ initial-width
                                            (- (getf event-slots :x)
                                               relx
                                               (xlib:drawable-x parent))))
                                      (h (+ initial-height
                                            (- (getf event-slots :y)
                                               rely
                                               (xlib:drawable-y parent)
                                               *float-window-title-height*))))
                                  ;; Don't let the window become too small
                                  (float-window-move-resize window
                                                            :width (max w *min-frame-width*)
                                                            :height (max h *min-frame-height*)))))))
                         t)
                        ;; We need to eat these events or they'll ALL
                        ;; come blasting in later. Also things start
                        ;; lagging hard if we don't (on clisp anyway).
                        (:configure-notify t)
                        (:exposure t)
                        (t
                         nil))))
             (xlib:grab-pointer (screen-root screen) '(:button-release :pointer-motion))
             (unwind-protect
                  ;; Wait until the mouse button is released
                  (loop for ev = (xlib:process-event *display*
                                                     :handler #'move-window-event-handler
                                                     :timeout nil
                                                     :discard-p t)
                     until (eq ev :done))
               (ungrab-pointer))
             (update-configuration window)
             ;; don't forget to update the cache
             (setf (window-x window) (xlib:drawable-x (window-parent window))
                   (window-y window) (xlib:drawable-y (window-parent window)))))))
      (t
       (when (eq *mouse-focus-policy* :click)
         (focus-window window))))))

(defmethod group-button-press ((group float-group) x y where)
  (declare (ignore x y where))
  )

(defcommand gnew-float (name) ((:rest "Group Name: "))
"Create a floating window group with the specified name and switch to it."
  (add-group (current-screen) name :type 'float-group))

(defcommand gnewbg-float (name) ((:rest "Group Name: "))
"Create a floating window group with the specified name, but do not switch to it."
  (add-group (current-screen) name :background t :type 'float-group))