ioncore/framedpholder.c

   1 /*
   2  * ion/ioncore/framedpholder.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 2005-2009.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #include <libtu/objp.h>
  10 #include <libtu/obj.h>
  11 #include <libtu/minmax.h>
  12
  13 #include "frame.h"
  14 #include "framedpholder.h"
  15 #include "sizehint.h"
  16 #include "resize.h"
  17
  18
  19 /*{{{ Init/deinit */
  20
  21
  22 bool framedpholder_init(WFramedPHolder *ph, WPHolder *cont,
  23                         const WFramedParam *param)
  24 {
  25     assert(cont!=NULL);
  26
  27     pholder_init(&(ph->ph));
  28
  29     ph->cont=cont;
  30     ph->param=*param;
  31
  32     watch_init(&ph->frame_watch);
  33
  34     return TRUE;
  35 }
  36
  37
  38 WFramedPHolder *create_framedpholder(WPHolder *cont,
  39                                      const WFramedParam *param)
  40 {
  41     CREATEOBJ_IMPL(WFramedPHolder, framedpholder, (p, cont, param));
  42 }
  43
  44
  45 void framedpholder_deinit(WFramedPHolder *ph)
  46 {
  47     if(ph->cont!=NULL){
  48         destroy_obj((Obj*)ph->cont);
  49         ph->cont=NULL;
  50     }
  51
  52     pholder_deinit(&(ph->ph));
  53     watch_reset(&ph->frame_watch);
  54 }
  55
  56
  57 /*}}}*/
  58
  59
  60 /*{{{ Attach */
  61
  62
  63 typedef struct{
  64     WRegionAttachData *data;
  65     WFramedParam *param;
  66     WRegion *reg_ret;
  67 } AP;
  68
  69
  70 void frame_adjust_to_initial(WFrame *frame, const WFitParams *fp,
  71                              const WFramedParam *param, WRegion *reg)
  72 {
  73     WRectangle rqg, mg;
  74     WSizeHints szh;
  75     int iw, ih;
  76
  77     if(!(fp->mode&(REGION_FIT_BOUNDS|REGION_FIT_WHATEVER)))
  78         return;
  79
  80     mplex_managed_geom((WMPlex*)frame, &mg);
  81
  82     /* Adjust geometry */
  83     if(!param->inner_geom_gravity_set){
  84         iw=REGION_GEOM(reg).w;
  85         ih=REGION_GEOM(reg).h;
  86         rqg.x=REGION_GEOM(frame).x;
  87         rqg.y=REGION_GEOM(frame).y;
  88     }else{
  89         int bl=mg.x;
  90         int br=REGION_GEOM(frame).w-(mg.x+mg.w);
  91         int bt=mg.y;
  92         int bb=REGION_GEOM(frame).h-(mg.y+mg.h);
  93
  94         iw=param->inner_geom.w;
  95         ih=param->inner_geom.h;
  96
  97         rqg.x=(/*fp->g.x+*/param->inner_geom.x+
  98                xgravity_deltax(param->gravity, bl, br));
  99         rqg.y=(/*fp->g.y+*/param->inner_geom.y+
 100                xgravity_deltay(param->gravity, bt, bb));
 101     }
 102
 103     /* Some apps seem to request geometries inconsistent with their size hints,
 104      * so correct for that here.
 105      * Because WGroup(CW) sets no_constrain on the size hints, we have
 106      * to set override_no_constrain to force the frame to have the size
 107      * of the 'bottom' of the group.
 108      */
 109     region_size_hints(reg, &szh);
 110     sizehints_correct(&szh, &iw, &ih, TRUE, TRUE);
 111     rqg.w=maxof(1, iw+(REGION_GEOM(frame).w-mg.w));
 112     rqg.h=maxof(1, ih+(REGION_GEOM(frame).h-mg.h));
 113
 114     if(!(fp->mode&REGION_FIT_WHATEVER))
 115         rectangle_constrain(&rqg, &fp->g);
 116
 117     region_fit((WRegion*)frame, &rqg, REGION_FIT_EXACT);
 118 }
 119
 120
 121 WRegion *framed_handler(WWindow *par,
 122                         const WFitParams *fp,
 123                         void *ap_)
 124 {
 125     AP *ap=(AP*)ap_;
 126     WMPlexAttachParams mp=MPLEXATTACHPARAMS_INIT;
 127     WFramedParam *param=ap->param;
 128     WFrame *frame;
 129     WRegion *reg;
 130
 131     frame=create_frame(par, fp, param->mode);
 132
 133     if(frame==NULL)
 134         return NULL;
 135
 136     if(fp->mode&(REGION_FIT_BOUNDS|REGION_FIT_WHATEVER))
 137         mp.flags|=MPLEX_ATTACH_WHATEVER;
 138
 139     reg=mplex_do_attach(&frame->mplex, &mp, ap->data);
 140
 141     ap->reg_ret=reg;
 142
 143     if(reg==NULL){
 144         destroy_obj((Obj*)frame);
 145         return NULL;
 146     }
 147
 148     frame_adjust_to_initial(frame, fp, param, reg);
 149
 150     return (WRegion*)frame;
 151 }
 152
 153
 154 WRegion *region_attach_framed(WRegion *reg, WFramedParam *param,
 155                               WRegionAttachFn *fn, void *fn_param,
 156                               WRegionAttachData *data)
 157 {
 158     WRegionAttachData data2;
 159     AP ap;
 160
 161     data2.type=REGION_ATTACH_NEW;
 162     data2.u.n.fn=framed_handler;
 163     data2.u.n.param=&ap;
 164
 165     ap.data=data;
 166     ap.param=param;
 167     ap.reg_ret=NULL;
 168
 169     return fn(reg, fn_param, &data2);
 170 }
 171
 172
 173 WRegion *framedpholder_do_attach(WFramedPHolder *ph, int flags,
 174                                  WRegionAttachData *data)
 175 {
 176     WRegionAttachData data2;
 177     WFrame *frame;
 178     AP ap;
 179
 180     frame=(WFrame*)ph->frame_watch.obj;
 181
 182     if(frame!=NULL){
 183         WMPlexAttachParams mp=MPLEXATTACHPARAMS_INIT;
 184         return mplex_do_attach(&frame->mplex, &mp, data);
 185     }
 186
 187     if(ph->cont==NULL)
 188         return FALSE;
 189
 190     data2.type=REGION_ATTACH_NEW;
 191     data2.u.n.fn=framed_handler;
 192     data2.u.n.param=&ap;
 193
 194     ap.data=data;
 195     ap.param=&ph->param;
 196     ap.reg_ret=NULL;
 197
 198     frame=(WFrame*)pholder_do_attach(ph->cont, flags, &data2);
 199
 200     if(frame!=NULL){
 201         assert(OBJ_IS(frame, WFrame));
 202         watch_setup(&ph->frame_watch, (Obj*)frame, NULL);
 203     }
 204
 205     return (flags&PHOLDER_ATTACH_RETURN_CREATEROOT
 206             ? (WRegion*)frame
 207             : ap.reg_ret);
 208 }
 209
 210
 211 /*}}}*/
 212
 213
 214 /*{{{ Other dynfuns */
 215
 216
 217 bool framedpholder_do_goto(WFramedPHolder *ph)
 218 {
 219     WRegion *frame=(WRegion*)ph->frame_watch.obj;
 220
 221     if(frame!=NULL)
 222         return region_goto((WRegion*)frame);
 223     else if(ph->cont!=NULL)
 224         return pholder_goto(ph->cont);
 225     else
 226         return FALSE;
 227 }
 228
 229
 230 WRegion *framedpholder_do_target(WFramedPHolder *ph)
 231 {
 232     WRegion *frame=(WRegion*)ph->frame_watch.obj;
 233
 234     return (frame!=NULL
 235             ? frame
 236             : (ph->cont!=NULL
 237                ? pholder_target(ph->cont)
 238                : NULL));
 239 }
 240
 241
 242 bool framedpholder_stale(WFramedPHolder *ph)
 243 {
 244     WRegion *frame=(WRegion*)ph->frame_watch.obj;
 245
 246     return (frame==NULL && (ph->cont==NULL || pholder_stale(ph->cont)));
 247 }
 248
 249
 250 /*}}}*/
 251
 252
 253 /*{{{ Class information */
 254
 255
 256 static DynFunTab framedpholder_dynfuntab[]={
 257     {(DynFun*)pholder_do_attach,
 258      (DynFun*)framedpholder_do_attach},
 259
 260     {(DynFun*)pholder_do_goto,
 261      (DynFun*)framedpholder_do_goto},
 262
 263     {(DynFun*)pholder_do_target,
 264      (DynFun*)framedpholder_do_target},
 265
 266     {(DynFun*)pholder_stale,
 267      (DynFun*)framedpholder_stale},
 268
 269     END_DYNFUNTAB
 270 };
 271
 272 IMPLCLASS(WFramedPHolder, WPHolder, framedpholder_deinit,
 273           framedpholder_dynfuntab);
 274
 275
 276 /*}}}*/
 277