1 ;;; --------------------------------------------------------------------------
2 ;;; CLFSWM - FullScreen Window Manager
4 ;;; --------------------------------------------------------------------------
5 ;;; Documentation: Expose functions - An expose like.
6 ;;; --------------------------------------------------------------------------
8 ;;; (C) 2005-2013 Philippe Brochard <pbrochard@common-lisp.net>
10 ;;; This program is free software; you can redistribute it and/or modify
11 ;;; it under the terms of the GNU General Public License as published by
12 ;;; the Free Software Foundation; either version 3 of the License, or
13 ;;; (at your option) any later version.
15 ;;; This program is distributed in the hope that it will be useful,
16 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;;; GNU General Public License for more details.
20 ;;; You should have received a copy of the GNU General Public License
21 ;;; along with this program; if not, write to the Free Software
22 ;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 ;;; --------------------------------------------------------------------------
28 (defparameter *expose-font
* nil
)
29 (defparameter *expose-selected-child
* nil
)
31 (defstruct expose-child child key window gc string
)
33 (defun leave-expose-mode ()
34 "Leave the expose mode"
35 (throw 'exit-expose-loop nil
))
37 (defun valid-expose-mode ()
38 "Valid the expose mode"
39 (throw 'exit-expose-loop t
))
41 (defun mouse-leave-expose-mode (window root-x root-y
)
42 "Leave the expose mode"
43 (declare (ignore window root-x root-y
))
44 (throw 'exit-expose-loop nil
))
46 (defun mouse-valid-expose-mode (window root-x root-y
)
47 "Valid the expose mode"
48 (declare (ignore window root-x root-y
))
49 (throw 'exit-expose-loop t
))
52 (defun expose-associate-keys ()
55 (with-all-children-reversed (*root-frame
* child
)
56 (unless (child-equal-p child
*root-frame
*)
58 (unless (member child
*expose-child-list
* :test
#'child-equal-p
:key
#'expose-child-child
)
59 (push (make-expose-child :child child
:key
(number->letter
*expose-current-number
*)) new
)
60 (incf *expose-current-number
*))))
61 (append (remove-if-not (lambda (x) (member x all
:test
#'child-equal-p
)) *expose-child-list
*
62 :key
#'expose-child-child
)
69 (defun expose-draw-letter ()
70 (dolist (ex-child *expose-child-list
*)
71 (let ((window (expose-child-window ex-child
))
72 (gc (expose-child-gc ex-child
)))
74 (clear-pixmap-buffer window gc
)
75 (xlib:with-gcontext
(gc :foreground
(get-color (if (substring-equal *query-string
* (expose-child-key ex-child
))
76 *expose-foreground-letter
*
77 *expose-foreground-letter-nok
*))
78 :background
(get-color (if (string-equal *query-string
* (expose-child-key ex-child
))
79 *expose-background-letter-match
*
80 *expose-background
*)))
81 (xlib:draw-image-glyphs
*pixmap-buffer
* gc
82 (xlib:max-char-width
*expose-font
*)
83 (+ (xlib:font-ascent
*expose-font
*) (xlib:font-descent
*expose-font
*))
84 (expose-child-key ex-child
)))
85 (xlib:draw-glyphs
*pixmap-buffer
* gc
86 (xlib:max-char-width
*expose-font
*)
87 (+ (* 2 (xlib:font-ascent
*expose-font
*)) (xlib:font-descent
*expose-font
*) 1)
88 (expose-child-string ex-child
))
89 (copy-pixmap-buffer window gc
)))))
91 (defun expose-create-window (ex-child)
92 (let ((child (expose-child-child ex-child
)))
93 (with-current-child (child)
94 (let* ((string (format nil
"~A"
95 (if *expose-show-window-title
*
96 (ensure-printable (child-fullname child
))
98 (width (if *expose-show-window-title
*
99 (min (* (xlib:max-char-width
*expose-font
*) (+ (length string
) 2))
100 (- (child-width child
) 4))
101 (* (xlib:max-char-width
*expose-font
*) 3)))
102 (height (* (xlib:font-ascent
*expose-font
*) 3)))
103 (with-placement (*expose-mode-placement
* x y width height
)
104 (let* ((window (xlib:create-window
:parent
*root
*
106 :width width
:height height
107 :background
(get-color *expose-background
*)
108 :border-width
*border-size
*
109 :border
(get-color *expose-border
*)
110 :colormap
(xlib:screen-default-colormap
*screen
*)
111 :event-mask
'(:exposure
:key-press
)))
112 (gc (xlib:create-gcontext
:drawable window
113 :foreground
(get-color *expose-foreground
*)
114 :background
(get-color *expose-background
*)
116 :line-style
:solid
)))
117 (setf (window-transparency window
) *expose-transparency
*)
119 (setf (expose-child-window ex-child
) window
120 (expose-child-gc ex-child
) gc
121 (expose-child-string ex-child
) string
)))))))
126 (defun expose-query-key-press-hook (code state
)
127 (declare (ignore code state
))
129 (when (and *expose-direct-select
* (<= (length *expose-child-list
*) 26))
130 (leave-query-mode :return
)))
132 (defun expose-query-button-press-hook (code state x y
)
133 (declare (ignore state
))
135 (setf *expose-selected-child
* (find-child-under-mouse x y
)))
136 (leave-query-mode :click
))
139 (defun expose-init ()
140 (setf *expose-font
* (xlib:open-font
*display
* *expose-font-string
*)
141 *expose-child-list
* (expose-associate-keys)
142 *expose-selected-child
* nil
144 (xlib:warp-pointer
*root
* (truncate (/ (screen-width) 2))
145 (truncate (/ (screen-height) 2)))
146 (add-hook *query-key-press-hook
* 'expose-query-key-press-hook
)
147 (add-hook *query-button-press-hook
* 'expose-query-button-press-hook
))
149 (defun expose-present-windows ()
150 (dolist (ex-child *expose-child-list
*)
151 (let ((child (expose-child-child ex-child
)))
152 (when (frame-p child
)
153 (setf (frame-data-slot child
:old-layout
) (frame-layout child
)
154 (frame-layout child
) #'tile-space-layout
))))
155 (show-all-children t
))
157 (defun expose-unpresent-windows ()
158 (dolist (ex-child *expose-child-list
*)
159 (let ((child (expose-child-child ex-child
)))
160 (when (frame-p child
)
161 (setf (frame-layout child
) (frame-data-slot child
:old-layout
)
162 (frame-data-slot child
:old-layout
) nil
)))))
164 (defun expose-mode-display-accel-windows ()
165 (with-all-root-child (root)
166 (with-all-children-reversed (root child
)
167 (let ((ex-child (find child
*expose-child-list
* :test
#'child-equal-p
:key
#'expose-child-child
)))
169 (if (or (frame-p (expose-child-child ex-child
))
170 (managed-window-p (expose-child-child ex-child
)
171 (find-parent-frame (expose-child-child ex-child
) *root-frame
*)))
172 (expose-create-window ex-child
)
173 (hide-child (expose-child-child ex-child
)))))))
174 (expose-draw-letter))
177 (defun expose-find-child-from-letters (letters)
178 (find letters
*expose-child-list
* :test
#'string-equal
:key
#'expose-child-key
))
180 (defun expose-select-child ()
181 (let ((*query-mode-placement
* *expose-query-placement
*))
182 (multiple-value-bind (letters return
)
183 (query-string "Which child ?")
184 (let ((ex-child (case return
185 (:return
(expose-find-child-from-letters letters
))
186 (:click
*expose-selected-child
*))))
188 (expose-child-child ex-child
))))))
191 (defun expose-restore-windows ()
192 (remove-hook *query-key-press-hook
* 'expose-query-key-press-hook
)
193 (remove-hook *query-button-press-hook
* 'expose-query-button-press-hook
)
194 (dolist (ex-child *expose-child-list
*)
195 (awhen (expose-child-gc ex-child
)
196 (xlib:free-gcontext it
))
197 (awhen (expose-child-window ex-child
)
198 (xlib:destroy-window it
)))
200 (xlib:close-font
*expose-font
*))
201 (expose-unpresent-windows))
203 (defun expose-focus-child (child)
204 (let ((parent (typecase child
205 (xlib:window
(find-parent-frame child
))
207 (when (and child parent
)
208 (change-root (find-root parent
) parent
)
209 (setf (current-child) child
)
210 (focus-all-children child parent t
))))
212 (defun expose-do-main ()
215 (expose-present-windows)
216 (expose-mode-display-accel-windows)
217 (let ((child (expose-select-child)))
218 (expose-restore-windows)
221 (defun expose-windows-mode ()
222 "Present all windows in currents roots (An expose like)"
223 (awhen (expose-do-main)
224 (expose-focus-child it
))
229 (defun expose-all-windows-mode ()
230 "Present all windows in all frames (An expose like)"
232 (with-saved-root-list ()
233 (dolist (root (get-root-list))
234 (change-root root
(root-original root
)))
235 (setf child
(expose-do-main)))
237 (expose-focus-child child
)))