1 /* placement.c - window and icon placement on screen
3 * Window Maker window manager
5 * Copyright (c) 1997, 1998 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"
44 extern WPreferences wPreferences
;
47 #define X_ORIGIN(scr) WMAX((scr)->totalUsableArea.x1,\
48 wPreferences.window_place_origin.x)
50 #define Y_ORIGIN(scr) WMAX((scr)->totalUsableArea.y1,\
51 wPreferences.window_place_origin.y)
55 * interactive window placement is in moveres.c
59 InteractivePlaceWindow(WWindow
*wwin
, int *x_ret
, int *y_ret
,
60 unsigned width
, unsigned height
);
64 * Returns True if it is an icon and is in this workspace.
67 iconPosition(WCoreWindow
*wcore
, int sx1
, int sy1
, int sx2
, int sy2
,
68 int workspace
, int *retX
, int *retY
)
73 parent
= wcore
->descriptor
.parent
;
75 /* if it is an application icon */
76 if (wcore
->descriptor
.parent_type
== WCLASS_APPICON
77 && !((WAppIcon
*)parent
)->docked
) {
78 *retX
= ((WAppIcon
*)parent
)->x_pos
;
79 *retY
= ((WAppIcon
*)parent
)->y_pos
;
82 } else if (wcore
->descriptor
.parent_type
== WCLASS_MINIWINDOW
&&
83 (((WIcon
*)parent
)->owner
->frame
->workspace
== workspace
84 || IS_OMNIPRESENT(((WIcon
*)parent
)->owner
)
85 || wPreferences
.sticky_icons
)
86 && ((WIcon
*)parent
)->mapped
) {
88 *retX
= ((WIcon
*)parent
)->owner
->icon_x
;
89 *retY
= ((WIcon
*)parent
)->owner
->icon_y
;
92 } else if (wcore
->descriptor
.parent_type
== WCLASS_WINDOW
93 && ((WWindow
*)parent
)->flags
.icon_moved
94 && (((WWindow
*)parent
)->frame
->workspace
== workspace
95 || IS_OMNIPRESENT((WWindow
*)parent
)
96 || wPreferences
.sticky_icons
)) {
97 *retX
= ((WWindow
*)parent
)->icon_x
;
98 *retY
= ((WWindow
*)parent
)->icon_y
;
105 * Check if it is inside the screen.
108 if (*retX
< sx1
-wPreferences
.icon_size
)
110 else if (*retX
> sx2
)
113 if (*retY
< sy1
-wPreferences
.icon_size
)
115 else if (*retY
> sy2
)
126 PlaceIcon(WScreen
*scr
, int *x_ret
, int *y_ret
)
128 int pf
; /* primary axis */
129 int sf
; /* secondary axis */
135 int sx1
, sx2
, sy1
, sy2
; /* screen boundary */
140 int isize
= wPreferences
.icon_size
;
145 * Find out screen boundaries.
149 sx2
= scr
->scr_width
;
150 sy2
= scr
->scr_height
;
152 if (scr
->dock
->on_right_side
)
153 sx2
-= isize
+ DOCK_EXTRA_SPACE
;
155 sx1
+= isize
+ DOCK_EXTRA_SPACE
;
158 sw
= isize
* (scr
->scr_width
/isize
);
159 sh
= isize
* (scr
->scr_height
/isize
);
160 fullW
= (sx2
-sx1
)/isize
;
161 fullH
= (sy2
-sy1
)/isize
;
163 /* icon yard boundaries */
164 if (wPreferences
.icon_yard
& IY_VERT
) {
171 if (wPreferences
.icon_yard
& IY_RIGHT
) {
178 if (wPreferences
.icon_yard
& IY_TOP
) {
187 * Create a map with the occupied slots. 1 means the slot is used
188 * or at least partially used.
189 * The slot usage can be optimized by only marking fully used slots
190 * or slots that have most of it covered.
191 * Space usage is worse than the fvwm algorithm (used in the old version)
192 * but complexity is much better (faster) than it.
194 map
= wmalloc((sw
+2) * (sh
+2));
195 memset(map
, 0, (sw
+2) * (sh
+2));
197 #define INDEX(x,y) (((y)+1)*(sw+2) + (x) + 1)
199 for (level
= MAX_WINDOW_LEVELS
-1; level
>= WMDesktopLevel
; level
--) {
200 obj
= scr
->stacking_list
[level
];
205 if (iconPosition(obj
, sx1
, sy1
, sx2
, sy2
, scr
->current_workspace
,
207 int xdi
, ydi
; /* rounded down */
208 int xui
, yui
; /* rounded up */
212 xui
= (x
+isize
/2)/isize
;
213 yui
= (y
+isize
/2)/isize
;
214 map
[INDEX(xdi
,ydi
)] = 1;
215 map
[INDEX(xdi
,yui
)] = 1;
216 map
[INDEX(xui
,ydi
)] = 1;
217 map
[INDEX(xui
,yui
)] = 1;
219 obj
= obj
->stacking
->under
;
229 * Look for an empty slot
231 for (si
=0; si
<sf
; si
++) {
232 for (pi
=0; pi
<pf
; pi
++) {
233 if (wPreferences
.icon_yard
& IY_VERT
) {
234 x
= xo
+ xs
*(si
*isize
);
235 y
= yo
+ ys
*(pi
*isize
);
237 x
= xo
+ xs
*(pi
*isize
);
238 y
= yo
+ ys
*(si
*isize
);
240 if (!map
[INDEX(x
/isize
, y
/isize
)]) {
256 * This function calculates the length of the intersection of two
257 * line sections. (Hey, is that english?)
260 calcIntersectionLength(int p1
, int l1
, int p2
, int l2
)
276 else if (p2
+ l2
< p1
+ l1
)
279 isect
= p1
+ l1
- p2
;
286 * This function calculates the area of the intersection of two rectangles.
289 calcIntersectionArea(int x1
, int y1
, int w1
, int h1
,
290 int x2
, int y2
, int w2
, int h2
)
292 return calcIntersectionLength(x1
, w1
, x2
, w2
)
293 * calcIntersectionLength(y1
, h1
, y2
, h2
);
298 calcSumOfCoveredAreas(WWindow
*wwin
, int x
, int y
, int w
, int h
)
301 WWindow
*test_window
;
304 test_window
= wwin
->screen_ptr
->focused_window
;
305 for(;test_window
!= NULL
&& test_window
->prev
!= NULL
;)
306 test_window
= test_window
->prev
;
308 for(; test_window
!= NULL
; test_window
= test_window
->next
) {
309 if (test_window
->frame
->core
->stacking
->window_level
315 tw
= test_window
->client
.width
;
316 if (test_window
->flags
.shaded
)
317 th
= test_window
->frame
->top_width
;
319 th
= test_window
->client
.height
+ extra_height
;
321 tw
= test_window
->frame
->core
->width
;
322 th
= test_window
->frame
->core
->height
;
324 tx
= test_window
->frame_x
;
325 ty
= test_window
->frame_y
;
327 if (test_window
->flags
.mapped
||
328 (test_window
->flags
.shaded
&&
329 !(test_window
->flags
.miniaturized
||
330 test_window
->flags
.hidden
))) {
331 sum_isect
+= calcIntersectionArea(tx
, ty
, tw
, th
, x
, y
, w
, h
);
340 smartPlaceWindow(WWindow
*wwin
, int *x_ret
, int *y_ret
,
341 unsigned int width
, unsigned int height
)
343 WScreen
*scr
= wwin
->screen_ptr
;
344 int test_x
= 0, test_y
= Y_ORIGIN(scr
);
345 int from_x
, to_x
, from_y
, to_y
;
347 int min_isect
, min_isect_x
, min_isect_y
;
350 WArea usableArea
= scr
->totalUsableArea
;
353 extra_height
= wwin
->frame
->top_width
+ wwin
->frame
->bottom_width
;
355 extra_height
= 24; /* random value */
361 min_isect_y
= test_y
;
363 height
+= extra_height
;
365 while (((test_y
+ height
) < usableArea
.y2
)) {
369 while ((test_x
+ width
) < usableArea
.x2
) {
371 sum_isect
= calcSumOfCoveredAreas(wwin
, test_x
, test_y
,
374 if ( sum_isect
< min_isect
) {
375 min_isect
= sum_isect
;
376 min_isect_x
= test_x
;
377 min_isect_y
= test_y
;
380 test_x
+= PLACETEST_HSTEP
;
382 test_y
+= PLACETEST_VSTEP
;
385 from_x
= min_isect_x
- PLACETEST_HSTEP
+ 1;
386 from_x
= WMAX(from_x
, X_ORIGIN(scr
));
387 to_x
= min_isect_x
+ PLACETEST_HSTEP
;
388 if (to_x
+ width
> usableArea
.x2
)
389 to_x
= usableArea
.x2
- width
;
391 from_y
= min_isect_y
- PLACETEST_VSTEP
+ 1;
392 from_y
= WMAX(from_y
, Y_ORIGIN(scr
));
393 to_y
= min_isect_y
+ PLACETEST_VSTEP
;
394 if (to_y
+ height
> usableArea
.y2
)
395 to_y
= usableArea
.y2
- height
;
397 for (test_x
= from_x
; test_x
< to_x
; test_x
++) {
398 for (test_y
= from_y
; test_y
< to_y
; test_y
++) {
399 sum_isect
= calcSumOfCoveredAreas(wwin
, test_x
, test_y
,
402 if ( sum_isect
< min_isect
) {
403 min_isect
= sum_isect
;
404 min_isect_x
= test_x
;
405 min_isect_y
= test_y
;
410 *x_ret
= min_isect_x
;
411 *y_ret
= min_isect_y
;
416 autoPlaceWindow(WWindow
*wwin
, int *x_ret
, int *y_ret
,
417 unsigned int width
, unsigned int height
, int tryCount
)
419 WScreen
*scr
= wwin
->screen_ptr
;
420 int test_x
= 0, test_y
= Y_ORIGIN(scr
);
421 int loc_ok
= False
, tw
,tx
,ty
,th
;
423 WWindow
*test_window
;
425 WArea usableArea
= scr
->totalUsableArea
;
428 extra_height
= wwin
->frame
->top_width
+ wwin
->frame
->bottom_width
+ 2;
430 extra_height
= 24; /* random value */
432 swidth
= usableArea
.x2
-usableArea
.x1
;
435 /* this was based on fvwm2's smart placement */
437 height
+= extra_height
;
439 while (((test_y
+ height
) < (scr
->scr_height
)) && (!loc_ok
)) {
443 while (((test_x
+ width
) < swidth
) && (!loc_ok
)) {
446 test_window
= scr
->focused_window
;
448 while ((test_window
!= NULL
) && (loc_ok
== True
)) {
450 if (test_window
->frame
->core
->stacking
->window_level
451 < WMNormalLevel
&& tryCount
> 0) {
452 test_window
= test_window
->next
;
456 tw
= test_window
->client
.width
;
457 if (test_window
->flags
.shaded
)
458 th
= test_window
->frame
->top_width
;
460 th
= test_window
->client
.height
+ extra_height
;
462 tw
= test_window
->frame
->core
->width
;
463 th
= test_window
->frame
->core
->height
;
465 tx
= test_window
->frame_x
;
466 ty
= test_window
->frame_y
;
468 if ((tx
< (test_x
+ width
)) && ((tx
+ tw
) > test_x
) &&
469 (ty
< (test_y
+ height
)) && ((ty
+ th
) > test_y
) &&
470 (test_window
->flags
.mapped
||
471 (test_window
->flags
.shaded
&&
472 !(test_window
->flags
.miniaturized
||
473 test_window
->flags
.hidden
)))) {
477 test_window
= test_window
->next
;
480 test_window
= scr
->focused_window
;
482 while ((test_window
!= NULL
) && (loc_ok
== True
)) {
484 if (test_window
->frame
->core
->stacking
->window_level
485 < WMNormalLevel
&& tryCount
> 0) {
486 test_window
= test_window
->prev
;
490 tw
= test_window
->client
.width
;
491 if (test_window
->flags
.shaded
)
492 th
= test_window
->frame
->top_width
;
494 th
= test_window
->client
.height
+ extra_height
;
496 tw
= test_window
->frame
->core
->width
;
497 th
= test_window
->frame
->core
->height
;
499 tx
= test_window
->frame_x
;
500 ty
= test_window
->frame_y
;
502 if ((tx
< (test_x
+ width
)) && ((tx
+ tw
) > test_x
) &&
503 (ty
< (test_y
+ height
)) && ((ty
+ th
) > test_y
) &&
504 (test_window
->flags
.mapped
||
505 (test_window
->flags
.shaded
&&
506 !(test_window
->flags
.miniaturized
||
507 test_window
->flags
.hidden
)))) {
511 test_window
= test_window
->prev
;
513 if (loc_ok
== True
) {
518 test_x
+= PLACETEST_HSTEP
;
520 test_y
+= PLACETEST_VSTEP
;
528 cascadeWindow(WScreen
*scr
, WWindow
*wwin
, int *x_ret
, int *y_ret
,
529 unsigned int width
, unsigned int height
, int h
)
531 unsigned int extra_height
;
532 WArea usableArea
= scr
->totalUsableArea
;
535 extra_height
= wwin
->frame
->top_width
+ wwin
->frame
->bottom_width
;
537 extra_height
= 24; /* random value */
539 *x_ret
= h
* scr
->cascade_index
+ X_ORIGIN(scr
);
540 *y_ret
= h
* scr
->cascade_index
+ Y_ORIGIN(scr
);
541 height
+= extra_height
;
543 if (width
+ *x_ret
> usableArea
.x2
|| height
+ *y_ret
> usableArea
.y2
) {
544 scr
->cascade_index
= 0;
545 *x_ret
= X_ORIGIN(scr
);
546 *y_ret
= Y_ORIGIN(scr
);
552 PlaceWindow(WWindow
*wwin
, int *x_ret
, int *y_ret
,
553 unsigned width
, unsigned height
)
555 WScreen
*scr
= wwin
->screen_ptr
;
556 int h
= WMFontHeight(scr
->title_font
) + (wPreferences
.window_title_clearance
+ TITLEBAR_EXTEND_SPACE
) * 2;
558 switch (wPreferences
.window_placement
) {
560 InteractivePlaceWindow(wwin
, x_ret
, y_ret
, width
, height
);
564 smartPlaceWindow(wwin
, x_ret
, y_ret
, width
, height
);
568 if (autoPlaceWindow(wwin
, x_ret
, y_ret
, width
, height
, 0)) {
570 } else if (autoPlaceWindow(wwin
, x_ret
, y_ret
, width
, height
, 1)) {
573 /* there isn't a break here, because if we fail, it should fall
574 through to cascade placement, as people who want tiling want
575 automagicness aren't going to want to place their window */
578 if (wPreferences
.window_placement
== WPM_AUTO
)
579 scr
->cascade_index
++;
581 cascadeWindow(scr
, wwin
, x_ret
, y_ret
, width
, height
, h
);
583 if (wPreferences
.window_placement
== WPM_CASCADE
)
584 scr
->cascade_index
++;
589 int w
, h
, extra_height
;
590 WArea usableArea
= scr
->totalUsableArea
;
593 extra_height
= wwin
->frame
->top_width
+ wwin
->frame
->bottom_width
+ 2;
595 extra_height
= 24; /* random value */
597 w
= ((usableArea
.x2
-X_ORIGIN(scr
)) - width
);
598 h
= ((usableArea
.y2
-Y_ORIGIN(scr
)) - height
- extra_height
);
601 *x_ret
= X_ORIGIN(scr
) + rand()%w
;
602 *y_ret
= Y_ORIGIN(scr
) + rand()%h
;
608 puts("Invalid window placement!!!");
614 if (*x_ret
+ width
> scr
->scr_width
)
615 *x_ret
= scr
->scr_width
- width
;
619 if (*y_ret
+ height
> scr
->scr_height
)
620 *y_ret
= scr
->scr_height
- height
;