src/lib/ecore_x/ecore_x_mwm.c

   1 /*
   2  * Various MWM related functions.
   3  *
   4  * This is ALL the code involving anything MWM related. for both WM and
   5  * client.
   6  */
   7
   8 #ifdef HAVE_CONFIG_H
   9 # include <config.h>
  10 #endif /* ifdef HAVE_CONFIG_H */
  11
  12 #include <stdlib.h>
  13
  14 #include "Ecore.h"
  15 #include "ecore_x_private.h"
  16 #include "Ecore_X.h"
  17 #include "Ecore_X_Atoms.h"
  18
  19 #define ECORE_X_MWM_HINTS_FUNCTIONS   (1 << 0)
  20 #define ECORE_X_MWM_HINTS_DECORATIONS (1 << 1)
  21 #define ECORE_X_MWM_HINTS_INPUT_MODE  (1 << 2)
  22 #define ECORE_X_MWM_HINTS_STATUS      (1 << 3)
  23
  24 typedef struct _mwmhints
  25 {
  26    CARD32 flags;
  27    CARD32 functions;
  28    CARD32 decorations;
  29    INT32  inputmode;
  30    CARD32 status;
  31 }
  32 MWMHints;
  33
  34 EAPI Eina_Bool
  35 ecore_x_mwm_hints_get(Ecore_X_Window win,
  36                       Ecore_X_MWM_Hint_Func *fhint,
  37                       Ecore_X_MWM_Hint_Decor *dhint,
  38                       Ecore_X_MWM_Hint_Input *ihint)
  39 {
  40    unsigned char *p = NULL;
  41    MWMHints *mwmhints = NULL;
  42    int num;
  43    Eina_Bool ret;
  44
  45    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  46    ret = EINA_FALSE;
  47    if (!ecore_x_window_prop_property_get(win,
  48                                          ECORE_X_ATOM_MOTIF_WM_HINTS,
  49                                          ECORE_X_ATOM_MOTIF_WM_HINTS,
  50                                          32, &p, &num))
  51      {
  52         if (p) free(p);
  53         return EINA_FALSE;
  54      }
  55
  56    mwmhints = (MWMHints *)p;
  57    if (mwmhints)
  58      {
  59         if (num >= 4)
  60           {
  61              if (dhint)
  62                {
  63                   if (mwmhints->flags & ECORE_X_MWM_HINTS_DECORATIONS)
  64                     *dhint = mwmhints->decorations;
  65                   else
  66                     *dhint = ECORE_X_MWM_HINT_DECOR_ALL;
  67                }
  68
  69              if (fhint)
  70                {
  71                   if (mwmhints->flags & ECORE_X_MWM_HINTS_FUNCTIONS)
  72                     *fhint = mwmhints->functions;
  73                   else
  74                     *fhint = ECORE_X_MWM_HINT_FUNC_ALL;
  75                }
  76
  77              if (ihint)
  78                {
  79                   if (mwmhints->flags & ECORE_X_MWM_HINTS_INPUT_MODE)
  80                     *ihint = mwmhints->inputmode;
  81                   else
  82                     *ihint = ECORE_X_MWM_HINT_INPUT_MODELESS;
  83                }
  84
  85              ret = EINA_TRUE;
  86           }
  87
  88         free(mwmhints);
  89      }
  90
  91    return ret;
  92 }
  93
  94 EAPI void
  95 ecore_x_mwm_borderless_set(Ecore_X_Window win,
  96                            Eina_Bool borderless)
  97 {
  98    unsigned int data[5] = {0, 0, 0, 0, 0};
  99
 100    data[0] = 2; /* just set the decorations hint! */
 101    data[2] = !borderless;
 102
 103    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 104    ecore_x_window_prop_property_set(win,
 105                                     ECORE_X_ATOM_MOTIF_WM_HINTS,
 106                                     ECORE_X_ATOM_MOTIF_WM_HINTS,
 107                                     32, (void *)data, 5);
 108 }
 109