mod_tiling/ops.c

   1 /*
   2  * ion/mod_tiling/ops.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2009.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #include <libtu/objp.h>
  10 #include <ioncore/common.h>
  11 #include <ioncore/mplex.h>
  12 #include <ioncore/focus.h>
  13 #include <ioncore/return.h>
  14 #include <ioncore/group.h>
  15 #include "tiling.h"
  16
  17
  18 /*{{{ mkbottom */
  19
  20
  21 static WRegion *mkbottom_fn(WWindow *parent, const WFitParams *fp,
  22                             void *param)
  23 {
  24     WRegion *reg=(WRegion*)param, *res;
  25     WRegionAttachData data;
  26     WTiling *tiling;
  27     WFitParams fp2;
  28
  29     fp2.mode=REGION_FIT_EXACT;
  30     fp2.g=fp->g;
  31
  32     tiling=create_tiling(parent, &fp2, NULL, FALSE);
  33
  34     if(tiling==NULL)
  35         return NULL;
  36
  37     data.type=REGION_ATTACH_REPARENT;
  38     data.u.reg=reg;
  39
  40     /* Warning! Potentially dangerous call to remove a `reg` from the same
  41      * group we're being attached to, and from the attach routine of which
  42      * this function is called from!
  43      */
  44     res=region_attach_helper((WRegion*)tiling, parent, &fp2,
  45                              (WRegionDoAttachFn*)tiling_do_attach_initial,
  46                              NULL, &data);
  47
  48     if(res==NULL){
  49         destroy_obj((Obj*)tiling);
  50         return NULL;
  51     }
  52
  53     return (WRegion*)tiling;
  54 }
  55
  56
  57 /*EXTL_DOC
  58  * Create a new \type{WTiling} 'bottom' for the group of \var{reg},
  59  * consisting of \var{reg}.
  60  */
  61 EXTL_EXPORT
  62 bool mod_tiling_mkbottom(WRegion *reg)
  63 {
  64     WGroup *grp=REGION_MANAGER_CHK(reg, WGroup);
  65     WGroupAttachParams ap=GROUPATTACHPARAMS_INIT;
  66     WRegionAttachData data;
  67
  68     if(grp==NULL){
  69         warn(TR("Not member of a group"));
  70         return FALSE;
  71     }
  72
  73     if(group_bottom(grp)!=NULL){
  74         warn(TR("Manager group already has bottom"));
  75         return FALSE;
  76     }
  77
  78     ap.level_set=TRUE;
  79     ap.level=STACKING_LEVEL_BOTTOM;
  80
  81     ap.szplcy_set=TRUE;
  82     ap.szplcy=SIZEPOLICY_FULL_EXACT;
  83
  84     ap.switchto_set=TRUE;
  85     ap.switchto=region_may_control_focus(reg);
  86
  87     ap.bottom=TRUE;
  88
  89     data.type=REGION_ATTACH_NEW;
  90     data.u.n.fn=mkbottom_fn;
  91     data.u.n.param=reg;
  92
  93     /* See the "Warning!" above. */
  94     return (group_do_attach(grp, &ap, &data)!=NULL);
  95 }
  96
  97
  98 /*}}}*/
  99
 100
 101 /*{{{ untile */
 102
 103
 104 /*EXTL_DOC
 105  * If \var{tiling} is managed by some group, float the frames in
 106  * the tiling in that group, and dispose of \var{tiling}.
 107  */
 108 EXTL_EXPORT
 109 bool mod_tiling_untile(WTiling *tiling)
 110 {
 111     WGroup *grp=REGION_MANAGER_CHK(tiling, WGroup);
 112     WGroupAttachParams param=GROUPATTACHPARAMS_INIT;
 113     WTilingIterTmp tmp;
 114     WRegion *reg, *reg2;
 115
 116     if(grp==NULL){
 117         warn(TR("Not member of a group"));
 118         return FALSE;
 119     }
 120
 121     if(group_bottom(grp)==(WRegion*)tiling)
 122         group_set_bottom(grp, NULL);
 123
 124     /* Setting `batchop` will stop `tiling_managed_remove` from
 125      * resizing remaining frames into freed space. It will also
 126      * stop the tiling from being destroyed by actions of
 127      * `tiling_managed_disposeroot`.
 128      */
 129     tiling->batchop=TRUE;
 130
 131     FOR_ALL_MANAGED_BY_TILING(reg, tiling, tmp){
 132         WRegionAttachData data;
 133
 134         /* Don't bother with the status display */
 135         if(reg==TILING_STDISP_OF(tiling))
 136             continue;
 137
 138         /* Don't bother with regions containing no client windows. */
 139         if(!region_rescue_needed(reg))
 140             continue;
 141
 142         data.type=REGION_ATTACH_REPARENT;
 143         data.u.reg=reg;
 144
 145         param.geom_set=TRUE;
 146         param.geom=REGION_GEOM(reg);
 147
 148         reg2=group_do_attach(grp, &param, &data);
 149
 150         if(reg2==NULL)
 151             warn(TR("Unable to move a region from tiling to group."));
 152     }
 153
 154     tiling->batchop=FALSE;
 155
 156     region_dispose((WRegion*)tiling);
 157
 158     return TRUE;
 159 }
 160
 161
 162 /*}}}*/
 163