mod_menu/grabmenu.c

   1 /*
   2  * ion/mod_menu/grabmenu.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2009.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #include <libextl/extl.h>
  10
  11 #include <ioncore/common.h>
  12 #include <ioncore/pointer.h>
  13 #include <ioncore/grab.h>
  14 #include <ioncore/binding.h>
  15 #include <ioncore/conf-bindings.h>
  16 #include <ioncore/key.h>
  17 #include <ioncore/stacking.h>
  18 #include "menu.h"
  19 #include "mkmenu.h"
  20
  21
  22 static bool grabmenu_handler(WRegion *reg, XEvent *xev)
  23 {
  24     XKeyEvent *ev=&xev->xkey;
  25     WMenu *menu=(WMenu*)reg;
  26
  27     if(ev->type==KeyRelease){
  28         if(ioncore_unmod(ev->state, ev->keycode)==0){
  29             menu_finish(menu);
  30             return TRUE;
  31         }
  32         return FALSE;
  33     }
  34
  35     if(reg==NULL)
  36         return FALSE;
  37
  38     if(ev->keycode==menu->gm_kcb){
  39         if(menu->gm_state==ev->state)
  40             menu_select_next(menu);
  41         else if((menu->gm_state|ShiftMask)==ev->state)
  42             menu_select_prev(menu);
  43         else if(menu->gm_state==AnyModifier)
  44             menu_select_next(menu);
  45     }
  46
  47     return FALSE;
  48 }
  49
  50
  51 static void grabkilled_handler(WRegion *reg)
  52 {
  53     destroy_obj((Obj*)reg);
  54 }
  55
  56
  57 /*--lowlevel routine not to be called by the user--*/
  58 EXTL_EXPORT
  59 WMenu *mod_menu_do_grabmenu(WMPlex *mplex, ExtlFn handler, ExtlTab tab,
  60                             ExtlTab param)
  61 {
  62     WMenuCreateParams fnp;
  63     WMPlexAttachParams par;
  64     WMenu *menu;
  65     XKeyEvent *ev;
  66     uint state, kcb;
  67     bool sub;
  68
  69     if(!ioncore_current_key(&kcb, &state, &sub))
  70         return NULL;
  71
  72     if(state==0){
  73         WMenu *menu=mod_menu_do_menu(mplex, handler, tab, param);
  74         /*
  75         if(menu!=NULL && cycle!=extl_fn_none()){
  76             uint kcb, state;
  77
  78             menu->cycle_bindmap=region_add_cycle_bindmap((WRegion*)menu,
  79                                                          kcb, state, ???,
  80                                                          ???);
  81         }*/
  82         return menu;
  83     }
  84
  85     fnp.handler=handler;
  86     fnp.tab=tab;
  87     fnp.pmenu_mode=FALSE;
  88     fnp.submenu_mode=FALSE;
  89     fnp.big_mode=extl_table_is_bool_set(param, "big");
  90     fnp.initial=0;
  91     extl_table_gets_i(param, "initial", &(fnp.initial));
  92
  93     par.flags=(MPLEX_ATTACH_SWITCHTO|
  94                MPLEX_ATTACH_LEVEL|
  95                MPLEX_ATTACH_UNNUMBERED|
  96                MPLEX_ATTACH_SIZEPOLICY);
  97     par.szplcy=SIZEPOLICY_FULL_BOUNDS;
  98     par.level=STACKING_LEVEL_MODAL1+2;
  99
 100     menu=(WMenu*)mplex_do_attach_new(mplex, &par,
 101                                      (WRegionCreateFn*)create_menu,
 102                                      (void*)&fnp);
 103
 104     if(menu==NULL)
 105         return NULL;
 106
 107     menu->gm_kcb=kcb;
 108     menu->gm_state=state;
 109
 110     ioncore_grab_establish((WRegion*)menu, grabmenu_handler,
 111                            grabkilled_handler, 0);
 112
 113     return menu;
 114 }
 115