1 /* placement.c - window and icon placement on screen
3 * Window Maker window manager
5 * Copyright (c) 1997-2003 Alfredo K. Kojima
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
31 #include "WindowMaker.h"
39 #include "application.h"
45 extern WPreferences wPreferences
;
48 #define X_ORIGIN(scr) WMAX(usableArea.x1,\
49 wPreferences.window_place_origin.x)
51 #define Y_ORIGIN(scr) WMAX(usableArea.y1,\
52 wPreferences.window_place_origin.y)
56 * interactive window placement is in moveres.c
60 InteractivePlaceWindow(WWindow
*wwin
, int *x_ret
, int *y_ret
,
61 unsigned width
, unsigned height
);
65 * Returns True if it is an icon and is in this workspace.
68 iconPosition(WCoreWindow
*wcore
, int sx1
, int sy1
, int sx2
, int sy2
,
69 int workspace
, int *retX
, int *retY
)
74 parent
= wcore
->descriptor
.parent
;
76 /* if it is an application icon */
77 if (wcore
->descriptor
.parent_type
== WCLASS_APPICON
78 && !((WAppIcon
*)parent
)->docked
) {
79 *retX
= ((WAppIcon
*)parent
)->x_pos
;
80 *retY
= ((WAppIcon
*)parent
)->y_pos
;
83 } else if (wcore
->descriptor
.parent_type
== WCLASS_MINIWINDOW
&&
84 (((WIcon
*)parent
)->owner
->frame
->workspace
== workspace
85 || IS_OMNIPRESENT(((WIcon
*)parent
)->owner
)
86 || wPreferences
.sticky_icons
)
87 && ((WIcon
*)parent
)->mapped
) {
89 *retX
= ((WIcon
*)parent
)->owner
->icon_x
;
90 *retY
= ((WIcon
*)parent
)->owner
->icon_y
;
93 } else if (wcore
->descriptor
.parent_type
== WCLASS_WINDOW
94 && ((WWindow
*)parent
)->flags
.icon_moved
95 && (((WWindow
*)parent
)->frame
->workspace
== workspace
96 || IS_OMNIPRESENT((WWindow
*)parent
)
97 || wPreferences
.sticky_icons
)) {
98 *retX
= ((WWindow
*)parent
)->icon_x
;
99 *retY
= ((WWindow
*)parent
)->icon_y
;
106 * Check if it is inside the screen.
109 if (*retX
< sx1
-wPreferences
.icon_size
)
111 else if (*retX
> sx2
)
114 if (*retY
< sy1
-wPreferences
.icon_size
)
116 else if (*retY
> sy2
)
127 PlaceIcon(WScreen
*scr
, int *x_ret
, int *y_ret
, int head
)
129 int pf
; /* primary axis */
130 int sf
; /* secondary axis */
136 int sx1
, sx2
, sy1
, sy2
; /* screen boundary */
141 int isize
= wPreferences
.icon_size
;
144 WArea area
= wGetUsableAreaForHead(scr
, head
, NULL
, False
);
146 /* Find out screen boundaries. */
148 /* Allows each head to have miniwindows */
159 if (scr
->dock
->on_right_side
)
160 sx2
-= isize
+ DOCK_EXTRA_SPACE
;
162 sx1
+= isize
+ DOCK_EXTRA_SPACE
;
166 sw
= isize
* (sw
/isize
);
167 sh
= isize
* (sh
/isize
);
168 fullW
= (sx2
-sx1
)/isize
;
169 fullH
= (sy2
-sy1
)/isize
;
171 /* icon yard boundaries */
172 if (wPreferences
.icon_yard
& IY_VERT
) {
179 if (wPreferences
.icon_yard
& IY_RIGHT
) {
186 if (wPreferences
.icon_yard
& IY_TOP
) {
195 * Create a map with the occupied slots. 1 means the slot is used
196 * or at least partially used.
197 * The slot usage can be optimized by only marking fully used slots
198 * or slots that have most of it covered.
199 * Space usage is worse than the fvwm algorithm (used in the old version)
200 * but complexity is much better (faster) than it.
202 map
= wmalloc((sw
+2) * (sh
+2));
203 memset(map
, 0, (sw
+2) * (sh
+2));
205 #define INDEX(x,y) (((y)+1)*(sw+2) + (x) + 1)
207 WM_ETARETI_BAG(scr
->stacking_list
, obj
, iter
) {
212 if (iconPosition(obj
, sx1
, sy1
, sx2
, sy2
, scr
->current_workspace
,
214 int xdi
, ydi
; /* rounded down */
215 int xui
, yui
; /* rounded up */
219 xui
= (x
+isize
/2)/isize
;
220 yui
= (y
+isize
/2)/isize
;
221 map
[INDEX(xdi
,ydi
)] = 1;
222 map
[INDEX(xdi
,yui
)] = 1;
223 map
[INDEX(xui
,ydi
)] = 1;
224 map
[INDEX(xui
,yui
)] = 1;
226 obj
= obj
->stacking
->under
;
236 * Look for an empty slot
238 for (si
=0; si
<sf
; si
++) {
239 for (pi
=0; pi
<pf
; pi
++) {
240 if (wPreferences
.icon_yard
& IY_VERT
) {
241 x
= xo
+ xs
*(si
*isize
);
242 y
= yo
+ ys
*(pi
*isize
);
244 x
= xo
+ xs
*(pi
*isize
);
245 y
= yo
+ ys
*(si
*isize
);
247 if (!map
[INDEX(x
/isize
, y
/isize
)]) {
263 * This function calculates the length of the intersection of two
264 * line sections. (Hey, is that english?)
267 calcIntersectionLength(int p1
, int l1
, int p2
, int l2
)
283 else if (p2
+ l2
< p1
+ l1
)
286 isect
= p1
+ l1
- p2
;
293 * This function calculates the area of the intersection of two rectangles.
297 calcIntersectionArea(int x1
, int y1
, int w1
, int h1
,
298 int x2
, int y2
, int w2
, int h2
)
300 return calcIntersectionLength(x1
, w1
, x2
, w2
)
301 * calcIntersectionLength(y1
, h1
, y2
, h2
);
306 calcSumOfCoveredAreas(WWindow
*wwin
, int x
, int y
, int w
, int h
)
309 WWindow
*test_window
;
312 test_window
= wwin
->screen_ptr
->focused_window
;
313 for(;test_window
!= NULL
&& test_window
->prev
!= NULL
;)
314 test_window
= test_window
->prev
;
316 for(; test_window
!= NULL
; test_window
= test_window
->next
) {
317 if (test_window
->frame
->core
->stacking
->window_level
323 tw
= test_window
->client
.width
;
324 if (test_window
->flags
.shaded
)
325 th
= test_window
->frame
->top_width
;
327 th
= test_window
->client
.height
+ extra_height
;
329 tw
= test_window
->frame
->core
->width
;
330 th
= test_window
->frame
->core
->height
;
332 tx
= test_window
->frame_x
;
333 ty
= test_window
->frame_y
;
335 if (test_window
->flags
.mapped
||
336 (test_window
->flags
.shaded
&&
337 !(test_window
->flags
.miniaturized
||
338 test_window
->flags
.hidden
))) {
339 sum_isect
+= calcIntersectionArea(tx
, ty
, tw
, th
, x
, y
, w
, h
);
348 smartPlaceWindow(WWindow
*wwin
, int *x_ret
, int *y_ret
,
349 unsigned int width
, unsigned int height
,
352 //WScreen *scr = wwin->screen_ptr;
353 int test_x
= 0, test_y
= Y_ORIGIN(scr
);
354 int from_x
, to_x
, from_y
, to_y
;
356 int min_isect
, min_isect_x
, min_isect_y
;
360 height
+= wwin
->frame
->top_width
+ wwin
->frame
->bottom_width
;
362 if (HAS_TITLEBAR(wwin
)) height
+= 18;
363 if (HAS_RESIZEBAR(wwin
)) height
+= 8;
365 if (HAS_BORDER(wwin
)) {
373 min_isect_y
= test_y
;
375 while (((test_y
+ height
) < usableArea
.y2
)) {
377 while ((test_x
+ width
) < usableArea
.x2
) {
378 sum_isect
= calcSumOfCoveredAreas(wwin
, test_x
, test_y
,
381 if (sum_isect
< min_isect
) {
382 min_isect
= sum_isect
;
383 min_isect_x
= test_x
;
384 min_isect_y
= test_y
;
387 test_x
+= PLACETEST_HSTEP
;
389 test_y
+= PLACETEST_VSTEP
;
392 from_x
= min_isect_x
- PLACETEST_HSTEP
+ 1;
393 from_x
= WMAX(from_x
, X_ORIGIN(scr
));
394 to_x
= min_isect_x
+ PLACETEST_HSTEP
;
395 if (to_x
+ width
> usableArea
.x2
)
396 to_x
= usableArea
.x2
- width
;
398 from_y
= min_isect_y
- PLACETEST_VSTEP
+ 1;
399 from_y
= WMAX(from_y
, Y_ORIGIN(scr
));
400 to_y
= min_isect_y
+ PLACETEST_VSTEP
;
401 if (to_y
+ height
> usableArea
.y2
)
402 to_y
= usableArea
.y2
- height
;
404 for (test_x
= from_x
; test_x
< to_x
; test_x
++) {
405 for (test_y
= from_y
; test_y
< to_y
; test_y
++) {
406 sum_isect
= calcSumOfCoveredAreas(wwin
, test_x
, test_y
,
409 if (sum_isect
< min_isect
) {
410 min_isect
= sum_isect
;
411 min_isect_x
= test_x
;
412 min_isect_y
= test_y
;
417 *x_ret
= min_isect_x
;
418 *y_ret
= min_isect_y
;
423 autoPlaceWindow(WWindow
*wwin
, int *x_ret
, int *y_ret
,
424 unsigned int width
, unsigned int height
, int tryCount
,
427 WScreen
*scr
= wwin
->screen_ptr
;
428 int test_x
= 0, test_y
= Y_ORIGIN(scr
);
429 int loc_ok
= False
, tw
,tx
,ty
,th
;
431 WWindow
*test_window
;
434 height
+= wwin
->frame
->top_width
+ wwin
->frame
->bottom_width
;
436 if (HAS_TITLEBAR(wwin
)) height
+= 18;
437 if (HAS_RESIZEBAR(wwin
)) height
+= 8;
439 if (HAS_BORDER(wwin
)) {
444 swidth
= usableArea
.x2
-usableArea
.x1
;
447 /* this was based on fvwm2's smart placement */
449 while (((test_y
+ height
) < (usableArea
.y2
- usableArea
.y1
)) && !loc_ok
) {
452 while (((test_x
+ width
) < swidth
) && (!loc_ok
)) {
455 test_window
= scr
->focused_window
;
457 while ((test_window
!= NULL
) && (loc_ok
== True
)) {
459 if (test_window
->frame
->core
->stacking
->window_level
460 < WMNormalLevel
&& tryCount
> 0) {
461 test_window
= test_window
->next
;
465 tw
= test_window
->client
.width
;
466 if (test_window
->flags
.shaded
)
467 th
= test_window
->frame
->top_width
;
469 th
= test_window
->client
.height
+ extra_height
;
471 tw
= test_window
->frame
->core
->width
;
472 th
= test_window
->frame
->core
->height
;
474 tx
= test_window
->frame_x
;
475 ty
= test_window
->frame_y
;
477 if ((tx
< (test_x
+ width
)) && ((tx
+ tw
) > test_x
) &&
478 (ty
< (test_y
+ height
)) && ((ty
+ th
) > test_y
) &&
479 (test_window
->flags
.mapped
||
480 (test_window
->flags
.shaded
&&
481 test_window
->frame
->workspace
==scr
->current_workspace
&&
482 !(test_window
->flags
.miniaturized
||
483 test_window
->flags
.hidden
)))) {
487 test_window
= test_window
->next
;
490 test_window
= scr
->focused_window
;
492 while ((test_window
!= NULL
) && (loc_ok
== True
)) {
494 if (test_window
->frame
->core
->stacking
->window_level
495 < WMNormalLevel
&& tryCount
> 0) {
496 test_window
= test_window
->prev
;
500 tw
= test_window
->client
.width
;
501 if (test_window
->flags
.shaded
)
502 th
= test_window
->frame
->top_width
;
504 th
= test_window
->client
.height
+ extra_height
;
506 tw
= test_window
->frame
->core
->width
;
507 th
= test_window
->frame
->core
->height
;
509 tx
= test_window
->frame_x
;
510 ty
= test_window
->frame_y
;
512 if ((tx
< (test_x
+ width
)) && ((tx
+ tw
) > test_x
) &&
513 (ty
< (test_y
+ height
)) && ((ty
+ th
) > test_y
) &&
514 (test_window
->flags
.mapped
||
515 (test_window
->flags
.shaded
&&
516 test_window
->frame
->workspace
==scr
->current_workspace
&&
517 !(test_window
->flags
.miniaturized
||
518 test_window
->flags
.hidden
)))) {
522 test_window
= test_window
->prev
;
524 if (loc_ok
== True
) {
529 test_x
+= PLACETEST_HSTEP
;
531 test_y
+= PLACETEST_VSTEP
;
539 cascadeWindow(WScreen
*scr
, WWindow
*wwin
, int *x_ret
, int *y_ret
,
540 unsigned int width
, unsigned int height
, int h
,
544 height
+= wwin
->frame
->top_width
+ wwin
->frame
->bottom_width
;
546 if (HAS_TITLEBAR(wwin
)) height
+= 18;
547 if (HAS_RESIZEBAR(wwin
)) height
+= 8;
549 if (HAS_BORDER(wwin
)) {
554 *x_ret
= h
* scr
->cascade_index
+ X_ORIGIN(scr
);
555 *y_ret
= h
* scr
->cascade_index
+ Y_ORIGIN(scr
);
557 if (width
+ *x_ret
> usableArea
.x2
|| height
+ *y_ret
> usableArea
.y2
) {
558 scr
->cascade_index
= 0;
559 *x_ret
= X_ORIGIN(scr
);
560 *y_ret
= Y_ORIGIN(scr
);
566 randomPlaceWindow(WScreen
*scr
, WWindow
*wwin
, int *x_ret
, int *y_ret
,
567 unsigned int width
, unsigned int height
,
573 height
+= wwin
->frame
->top_width
+ wwin
->frame
->bottom_width
;
575 if (HAS_TITLEBAR(wwin
)) height
+= 18;
576 if (HAS_RESIZEBAR(wwin
)) height
+= 8;
578 if (HAS_BORDER(wwin
)) {
583 w
= ((usableArea
.x2
-X_ORIGIN(scr
)) - width
);
584 h
= ((usableArea
.y2
-Y_ORIGIN(scr
)) - height
);
587 *x_ret
= X_ORIGIN(scr
) + rand()%w
;
588 *y_ret
= Y_ORIGIN(scr
) + rand()%h
;
594 PlaceWindow(WWindow
*wwin
, int *x_ret
, int *y_ret
,
595 unsigned width
, unsigned height
)
597 WScreen
*scr
= wwin
->screen_ptr
;
598 int h
= WMFontHeight(scr
->title_font
) + (wPreferences
.window_title_clearance
+ TITLEBAR_EXTEND_SPACE
) * 2;
599 WArea usableArea
= wGetUsableAreaForHead(scr
,
600 wGetHeadForPointerLocation(scr
),
603 switch (wPreferences
.window_placement
) {
605 InteractivePlaceWindow(wwin
, x_ret
, y_ret
, width
, height
);
609 smartPlaceWindow(wwin
, x_ret
, y_ret
, width
, height
, usableArea
);
613 if (autoPlaceWindow(wwin
, x_ret
, y_ret
, width
, height
, 0,
616 } else if (autoPlaceWindow(wwin
, x_ret
, y_ret
, width
, height
, 1,
620 /* there isn't a break here, because if we fail, it should fall
621 through to cascade placement, as people who want tiling want
622 automagicness aren't going to want to place their window */
625 if (wPreferences
.window_placement
== WPM_AUTO
)
626 scr
->cascade_index
++;
628 cascadeWindow(scr
, wwin
, x_ret
, y_ret
, width
, height
, h
, usableArea
);
630 if (wPreferences
.window_placement
== WPM_CASCADE
)
631 scr
->cascade_index
++;
635 randomPlaceWindow(scr
, wwin
, x_ret
, y_ret
, width
, height
, usableArea
);
640 puts("Invalid window placement!!!");
647 * clip to usableArea instead of full screen
648 * this will also take dock/clip etc.. into account
649 * aswell as being xinerama friendly
651 if (*x_ret
+ width
> usableArea
.x2
)
652 *x_ret
= usableArea
.x2
- width
;
653 if (*x_ret
< usableArea
.x1
)
654 *x_ret
= usableArea
.x1
;
656 if (*y_ret
+ height
> usableArea
.y2
)
657 *y_ret
= usableArea
.y2
- height
;
658 if (*y_ret
< usableArea
.y1
)
659 *y_ret
= usableArea
.y1
;