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 along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
30 #include "WindowMaker.h"
38 #include "application.h"
42 extern WPreferences wPreferences
;
44 #define X_ORIGIN WMAX(usableArea.x1,\
45 wPreferences.window_place_origin.x)
47 #define Y_ORIGIN WMAX(usableArea.y1,\
48 wPreferences.window_place_origin.y)
50 /* interactive window placement is in moveres.c */
51 extern void InteractivePlaceWindow(WWindow
*wwin
, int *x_ret
, int *y_ret
,
52 unsigned width
, unsigned height
);
54 /* Returns True if it is an icon and is in this workspace */
56 iconPosition(WCoreWindow
*wcore
, int sx1
, int sy1
, int sx2
, int sy2
,
57 int workspace
, int *retX
, int *retY
)
62 parent
= wcore
->descriptor
.parent
;
64 /* if it is an application icon */
65 if (wcore
->descriptor
.parent_type
== WCLASS_APPICON
&& !((WAppIcon
*) parent
)->docked
) {
66 *retX
= ((WAppIcon
*) parent
)->x_pos
;
67 *retY
= ((WAppIcon
*) parent
)->y_pos
;
70 } else if (wcore
->descriptor
.parent_type
== WCLASS_MINIWINDOW
&&
71 (((WIcon
*) parent
)->owner
->frame
->workspace
== workspace
72 || IS_OMNIPRESENT(((WIcon
*) parent
)->owner
)
73 || wPreferences
.sticky_icons
)
74 && ((WIcon
*) parent
)->mapped
) {
76 *retX
= ((WIcon
*) parent
)->owner
->icon_x
;
77 *retY
= ((WIcon
*) parent
)->owner
->icon_y
;
80 } else if (wcore
->descriptor
.parent_type
== WCLASS_WINDOW
81 && ((WWindow
*) parent
)->flags
.icon_moved
82 && (((WWindow
*) parent
)->frame
->workspace
== workspace
|| IS_OMNIPRESENT((WWindow
*) parent
)
83 || wPreferences
.sticky_icons
)) {
84 *retX
= ((WWindow
*) parent
)->icon_x
;
85 *retY
= ((WWindow
*) parent
)->icon_y
;
90 /* Check if it is inside the screen */
92 if (*retX
< sx1
- wPreferences
.icon_size
)
97 if (*retY
< sy1
- wPreferences
.icon_size
)
106 void PlaceIcon(WScreen
*scr
, int *x_ret
, int *y_ret
, int head
)
108 int pf
; /* primary axis */
109 int sf
; /* secondary axis */
115 int sx1
, sx2
, sy1
, sy2
; /* screen boundary */
120 int isize
= wPreferences
.icon_size
;
123 WArea area
= wGetUsableAreaForHead(scr
, head
, NULL
, False
);
125 /* Find out screen boundaries. */
127 /* Allows each head to have miniwindows */
135 sw
= isize
* (sw
/ isize
);
136 sh
= isize
* (sh
/ isize
);
137 fullW
= (sx2
- sx1
) / isize
;
138 fullH
= (sy2
- sy1
) / isize
;
140 /* icon yard boundaries */
141 if (wPreferences
.icon_yard
& IY_VERT
) {
148 if (wPreferences
.icon_yard
& IY_RIGHT
) {
155 if (wPreferences
.icon_yard
& IY_TOP
) {
164 * Create a map with the occupied slots. 1 means the slot is used
165 * or at least partially used.
166 * The slot usage can be optimized by only marking fully used slots
167 * or slots that have most of it covered.
168 * Space usage is worse than the fvwm algorithm (used in the old version)
169 * but complexity is much better (faster) than it.
171 map
= wmalloc((sw
+ 2) * (sh
+ 2));
172 memset(map
, 0, (sw
+ 2) * (sh
+ 2));
174 #define INDEX(x,y) (((y)+1)*(sw+2) + (x) + 1)
176 WM_ETARETI_BAG(scr
->stacking_list
, obj
, iter
) {
181 if (iconPosition(obj
, sx1
, sy1
, sx2
, sy2
, scr
->current_workspace
, &x
, &y
)) {
182 int xdi
, ydi
; /* rounded down */
183 int xui
, yui
; /* rounded up */
187 xui
= (x
+ isize
/ 2) / isize
;
188 yui
= (y
+ isize
/ 2) / isize
;
189 map
[INDEX(xdi
, ydi
)] = 1;
190 map
[INDEX(xdi
, yui
)] = 1;
191 map
[INDEX(xui
, ydi
)] = 1;
192 map
[INDEX(xui
, yui
)] = 1;
194 obj
= obj
->stacking
->under
;
197 /* Default position */
201 /* Look for an empty slot */
202 for (si
= 0; si
< sf
; si
++) {
203 for (pi
= 0; pi
< pf
; pi
++) {
204 if (wPreferences
.icon_yard
& IY_VERT
) {
205 x
= xo
+ xs
* (si
* isize
);
206 y
= yo
+ ys
* (pi
* isize
);
208 x
= xo
+ xs
* (pi
* isize
);
209 y
= yo
+ ys
* (si
* isize
);
211 if (!map
[INDEX(x
/ isize
, y
/ isize
)]) {
225 /* Computes the intersecting length of two line sections */
226 int calcIntersectionLength(int p1
, int l1
, int p2
, int l2
)
242 else if (p2
+ l2
< p1
+ l1
)
245 isect
= p1
+ l1
- p2
;
250 /* Computes the intersecting area of two rectangles */
251 int calcIntersectionArea(int x1
, int y1
, int w1
, int h1
, int x2
, int y2
, int w2
, int h2
)
253 return calcIntersectionLength(x1
, w1
, x2
, w2
)
254 * calcIntersectionLength(y1
, h1
, y2
, h2
);
257 static int calcSumOfCoveredAreas(WWindow
*wwin
, int x
, int y
, int w
, int h
)
260 WWindow
*test_window
;
263 test_window
= wwin
->screen_ptr
->focused_window
;
264 for (; test_window
!= NULL
&& test_window
->prev
!= NULL
;)
265 test_window
= test_window
->prev
;
267 for (; test_window
!= NULL
; test_window
= test_window
->next
) {
268 if (test_window
->frame
->core
->stacking
->window_level
< WMNormalLevel
) {
272 tw
= test_window
->frame
->core
->width
;
273 th
= test_window
->frame
->core
->height
;
274 tx
= test_window
->frame_x
;
275 ty
= test_window
->frame_y
;
277 if (test_window
->flags
.mapped
|| (test_window
->flags
.shaded
&&
278 test_window
->frame
->workspace
== wwin
->screen_ptr
->current_workspace
&&
279 !(test_window
->flags
.miniaturized
|| test_window
->flags
.hidden
))) {
280 sum_isect
+= calcIntersectionArea(tx
, ty
, tw
, th
, x
, y
, w
, h
);
287 static void set_width_height(WWindow
*wwin
, unsigned int *width
, unsigned int *height
)
290 *height
+= wwin
->frame
->top_width
+ wwin
->frame
->bottom_width
;
292 if (HAS_TITLEBAR(wwin
))
293 *height
+= TITLEBAR_HEIGHT
;
294 if (HAS_RESIZEBAR(wwin
))
295 *height
+= RESIZEBAR_HEIGHT
;
297 if (HAS_BORDER(wwin
)) {
298 *height
+= 2 * FRAME_BORDER_WIDTH
;
299 *width
+= 2 * FRAME_BORDER_WIDTH
;
304 smartPlaceWindow(WWindow
*wwin
, int *x_ret
, int *y_ret
, unsigned int width
,
305 unsigned int height
, WArea usableArea
)
307 int test_x
= 0, test_y
= Y_ORIGIN
;
308 int from_x
, to_x
, from_y
, to_y
;
310 int min_isect
, min_isect_x
, min_isect_y
;
313 set_width_height(wwin
, &width
, &height
);
318 min_isect_y
= test_y
;
320 while (((test_y
+ height
) < usableArea
.y2
)) {
322 while ((test_x
+ width
) < usableArea
.x2
) {
323 sum_isect
= calcSumOfCoveredAreas(wwin
, test_x
, test_y
, width
, height
);
325 if (sum_isect
< min_isect
) {
326 min_isect
= sum_isect
;
327 min_isect_x
= test_x
;
328 min_isect_y
= test_y
;
331 test_x
+= PLACETEST_HSTEP
;
333 test_y
+= PLACETEST_VSTEP
;
336 from_x
= min_isect_x
- PLACETEST_HSTEP
+ 1;
337 from_x
= WMAX(from_x
, X_ORIGIN
);
338 to_x
= min_isect_x
+ PLACETEST_HSTEP
;
339 if (to_x
+ width
> usableArea
.x2
)
340 to_x
= usableArea
.x2
- width
;
342 from_y
= min_isect_y
- PLACETEST_VSTEP
+ 1;
343 from_y
= WMAX(from_y
, Y_ORIGIN
);
344 to_y
= min_isect_y
+ PLACETEST_VSTEP
;
345 if (to_y
+ height
> usableArea
.y2
)
346 to_y
= usableArea
.y2
- height
;
348 for (test_x
= from_x
; test_x
< to_x
; test_x
++) {
349 for (test_y
= from_y
; test_y
< to_y
; test_y
++) {
350 sum_isect
= calcSumOfCoveredAreas(wwin
, test_x
, test_y
, width
, height
);
352 if (sum_isect
< min_isect
) {
353 min_isect
= sum_isect
;
354 min_isect_x
= test_x
;
355 min_isect_y
= test_y
;
360 *x_ret
= min_isect_x
;
361 *y_ret
= min_isect_y
;
365 autoPlaceWindow(WWindow
*wwin
, int *x_ret
, int *y_ret
,
366 unsigned int width
, unsigned int height
, int tryCount
, WArea usableArea
)
368 WScreen
*scr
= wwin
->screen_ptr
;
369 int test_x
= 0, test_y
= Y_ORIGIN
;
370 int loc_ok
= False
, tw
, tx
, ty
, th
;
372 WWindow
*test_window
;
374 set_width_height(wwin
, &width
, &height
);
375 swidth
= usableArea
.x2
- usableArea
.x1
;
378 /* this was based on fvwm2's smart placement */
379 while (((test_y
+ height
) < (usableArea
.y2
- usableArea
.y1
)) && !loc_ok
) {
382 while (((test_x
+ width
) < swidth
) && (!loc_ok
)) {
385 test_window
= scr
->focused_window
;
387 while ((test_window
!= NULL
) && (loc_ok
== True
)) {
389 if (test_window
->frame
->core
->stacking
->window_level
390 < WMNormalLevel
&& tryCount
> 0) {
391 test_window
= test_window
->next
;
394 tw
= test_window
->frame
->core
->width
;
395 th
= test_window
->frame
->core
->height
;
396 tx
= test_window
->frame_x
;
397 ty
= test_window
->frame_y
;
399 if ((tx
< (test_x
+ width
)) && ((tx
+ tw
) > test_x
) &&
400 (ty
< (test_y
+ height
)) && ((ty
+ th
) > test_y
) &&
401 (test_window
->flags
.mapped
||
402 (test_window
->flags
.shaded
&&
403 test_window
->frame
->workspace
== scr
->current_workspace
&&
404 !(test_window
->flags
.miniaturized
|| test_window
->flags
.hidden
)))) {
408 test_window
= test_window
->next
;
411 test_window
= scr
->focused_window
;
413 while ((test_window
!= NULL
) && (loc_ok
== True
)) {
415 if (test_window
->frame
->core
->stacking
->window_level
416 < WMNormalLevel
&& tryCount
> 0) {
417 test_window
= test_window
->prev
;
420 tw
= test_window
->frame
->core
->width
;
421 th
= test_window
->frame
->core
->height
;
422 tx
= test_window
->frame_x
;
423 ty
= test_window
->frame_y
;
425 if ((tx
< (test_x
+ width
)) && ((tx
+ tw
) > test_x
) &&
426 (ty
< (test_y
+ height
)) && ((ty
+ th
) > test_y
) &&
427 (test_window
->flags
.mapped
||
428 (test_window
->flags
.shaded
&&
429 test_window
->frame
->workspace
== scr
->current_workspace
&&
430 !(test_window
->flags
.miniaturized
|| test_window
->flags
.hidden
)))) {
434 test_window
= test_window
->prev
;
436 if (loc_ok
== True
) {
441 test_x
+= PLACETEST_HSTEP
;
443 test_y
+= PLACETEST_VSTEP
;
450 cascadeWindow(WScreen
*scr
, WWindow
*wwin
, int *x_ret
, int *y_ret
,
451 unsigned int width
, unsigned int height
, int h
, WArea usableArea
)
453 set_width_height(wwin
, &width
, &height
);
455 *x_ret
= h
* scr
->cascade_index
+ X_ORIGIN
;
456 *y_ret
= h
* scr
->cascade_index
+ Y_ORIGIN
;
458 if (width
+ *x_ret
> usableArea
.x2
|| height
+ *y_ret
> usableArea
.y2
) {
459 scr
->cascade_index
= 0;
465 static void randomPlaceWindow(WWindow
*wwin
, int *x_ret
, int *y_ret
,
466 unsigned int width
, unsigned int height
, WArea usableArea
)
470 set_width_height(wwin
, &width
, &height
);
472 w
= ((usableArea
.x2
- X_ORIGIN
) - width
);
473 h
= ((usableArea
.y2
- Y_ORIGIN
) - height
);
478 *x_ret
= X_ORIGIN
+ rand() % w
;
479 *y_ret
= Y_ORIGIN
+ rand() % h
;
482 void PlaceWindow(WWindow
*wwin
, int *x_ret
, int *y_ret
, unsigned width
, unsigned height
)
484 WScreen
*scr
= wwin
->screen_ptr
;
485 int h
= WMFontHeight(scr
->title_font
)
486 + (wPreferences
.window_title_clearance
+ TITLEBAR_EXTEND_SPACE
) * 2;
487 WArea usableArea
= wGetUsableAreaForHead(scr
, wGetHeadForPointerLocation(scr
),
490 switch (wPreferences
.window_placement
) {
492 InteractivePlaceWindow(wwin
, x_ret
, y_ret
, width
, height
);
496 smartPlaceWindow(wwin
, x_ret
, y_ret
, width
, height
, usableArea
);
500 if (autoPlaceWindow(wwin
, x_ret
, y_ret
, width
, height
, 0, usableArea
)) {
502 } else if (autoPlaceWindow(wwin
, x_ret
, y_ret
, width
, height
, 1, usableArea
)) {
505 /* there isn't a break here, because if we fail, it should fall
506 through to cascade placement, as people who want tiling want
507 automagicness aren't going to want to place their window */
510 if (wPreferences
.window_placement
== WPM_AUTO
)
511 scr
->cascade_index
++;
513 cascadeWindow(scr
, wwin
, x_ret
, y_ret
, width
, height
, h
, usableArea
);
515 if (wPreferences
.window_placement
== WPM_CASCADE
)
516 scr
->cascade_index
++;
520 randomPlaceWindow(wwin
, x_ret
, y_ret
, width
, height
, usableArea
);
525 * clip to usableArea instead of full screen
526 * this will also take dock/clip etc.. into account
527 * aswell as being xinerama friendly
529 if (*x_ret
+ width
> usableArea
.x2
)
530 *x_ret
= usableArea
.x2
- width
;
531 if (*x_ret
< usableArea
.x1
)
532 *x_ret
= usableArea
.x1
;
534 if (*y_ret
+ height
> usableArea
.y2
)
535 *y_ret
= usableArea
.y2
- height
;
536 if (*y_ret
< usableArea
.y1
)
537 *y_ret
= usableArea
.y1
;