ioncore/fullscreen.c

   1 /*
   2  * ion/ioncore/fullscreen.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2007.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #include <libtu/setparam.h>
  10 #include "common.h"
  11 #include "global.h"
  12 #include "sizehint.h"
  13 #include "clientwin.h"
  14 #include "attach.h"
  15 #include "screen.h"
  16 #include "manage.h"
  17 #include "fullscreen.h"
  18 #include "mwmhints.h"
  19 #include "focus.h"
  20 #include "group.h"
  21 #include "return.h"
  22
  23
  24
  25 /*{{{ Generic full screen mode code */
  26
  27
  28 bool region_fullscreen_scr(WRegion *reg, WScreen *scr, bool switchto)
  29 {
  30     int rootx, rooty;
  31     bool wasfs=TRUE;
  32     int swf=(switchto ? MPLEX_ATTACH_SWITCHTO : 0);
  33     WPHolder *ph=NULL;
  34     bool newph=FALSE, ret;
  35
  36     ph=region_unset_get_return(reg);
  37
  38     if(ph==NULL){
  39         ph=region_make_return_pholder(reg);
  40         newph=TRUE;
  41     }
  42
  43     ret=(mplex_attach_simple((WMPlex*)scr, reg, swf)!=NULL);
  44
  45     if(!ret)
  46         warn(TR("Failed to enter full screen mode."));
  47
  48     if(!ret && newph)
  49         destroy_obj((Obj*)ph);
  50     else if(!region_do_set_return(reg, ph))
  51         destroy_obj((Obj*)ph);
  52
  53     return TRUE;
  54 }
  55
  56
  57 bool region_enter_fullscreen(WRegion *reg, bool switchto)
  58 {
  59     WScreen *scr=region_screen_of(reg);
  60
  61     if(scr==NULL){
  62         scr=rootwin_current_scr(region_rootwin_of(reg));
  63         if(scr==NULL)
  64             return FALSE;
  65     }
  66
  67     return region_fullscreen_scr(reg, scr, switchto);
  68 }
  69
  70
  71 bool region_leave_fullscreen(WRegion *reg, bool switchto)
  72 {
  73     int swf=(switchto ? PHOLDER_ATTACH_SWITCHTO : 0);
  74     WPHolder *ph=region_unset_get_return(reg);
  75
  76     if(ph==NULL)
  77         return FALSE;
  78
  79     if(!pholder_attach_mcfgoto(ph, swf, reg)){
  80         warn(TR("Failed to return from full screen mode; remaining manager "
  81                 "or parent from previous location refused to manage us."));
  82         return FALSE;
  83     }
  84
  85     destroy_obj((Obj*)ph);
  86
  87     return TRUE;
  88 }
  89
  90
  91 /*#undef REGION_IS_FULLSCREEN
  92 #define REGION_IS_FULLSCREEN(REG) (region_get_return((WRegion*)REG)!=NULL)*/
  93
  94
  95 static bool region_set_fullscreen(WRegion *reg, int sp)
  96 {
  97     bool set=REGION_IS_FULLSCREEN(reg);
  98     bool nset=libtu_do_setparam(sp, set);
  99
 100     if(!XOR(nset, set))
 101         return set;
 102
 103     if(nset)
 104         region_enter_fullscreen(reg, TRUE);
 105     else
 106         region_leave_fullscreen(reg, TRUE);
 107
 108     return REGION_IS_FULLSCREEN(reg);
 109 }
 110
 111
 112 /*}}}*/
 113
 114
 115 /*{{{ Client window requests */
 116
 117
 118 bool clientwin_fullscreen_may_switchto(WClientWin *cwin)
 119 {
 120     return (region_may_control_focus((WRegion*)cwin)
 121             || !REGION_IS_ACTIVE(region_screen_of((WRegion*)cwin)));
 122 }
 123
 124
 125 WScreen *clientwin_fullscreen_chkrq(WClientWin *cwin, int w, int h)
 126 {
 127     WScreen *scr;
 128     WMwmHints *mwm;
 129     WRectangle *rwgeom;
 130
 131     mwm=xwindow_get_mwmhints(cwin->win);
 132     if(mwm==NULL || !(mwm->flags&MWM_HINTS_DECORATIONS) ||
 133        mwm->decorations!=0)
 134         return NULL;
 135
 136     FOR_ALL_SCREENS(scr){
 137         if(!region_same_rootwin((WRegion*)scr, (WRegion*)cwin))
 138             continue;
 139         /* Only Mplayer supports single Xinerama region FS to my knowledge,
 140          * and doesn't set position, so we also don't check position here,
 141          * and instead take the first screen with matching size.
 142          */
 143         if(REGION_GEOM(scr).w==w && REGION_GEOM(scr).h==h)
 144             return scr;
 145     }
 146
 147     return NULL;
 148 }
 149
 150
 151 /*}}}*/
 152
 153
 154 /*{{{ Group exports */
 155
 156
 157 /*EXTL_DOC
 158  * Set client window \var{reg} full screen state according to the
 159  * parameter \var{how} (one of \codestr{set}, \codestr{unset}, or
 160  * \codestr{toggle}). Resulting state is returned, which may not be
 161  * what was requested.
 162  */
 163 EXTL_EXPORT_AS(WGroup, set_fullscreen)
 164 bool group_set_fullscreen_extl(WGroup *grp, const char *how)
 165 {
 166     return region_set_fullscreen((WRegion*)grp, libtu_string_to_setparam(how));
 167 }
 168
 169
 170 /*}}}*/
 171