docs/microwin/microwindows.patches

   1 *** /home/julians/microwindows/original/microwin/src/mwin/winuser.c     Wed Jul  5 00:36:42 2000
   2 --- winuser.c   Tue May 22 00:42:01 2001
   3 ***************
   4 *** 136,150 ****
   5         return FALSE;
   6   }
   7
   8   BOOL WINAPI
   9 ! PeekMessage(LPMSG lpMsg, HWND hwnd, UINT uMsgFilterMin, UINT uMsgFilterMax,
  10 !       UINT wRemoveMsg)
  11   {
  12         HWND    wp;
  13         PMSG    pNxtMsg;
  14
  15         /* check if no messages in queue*/
  16         if(mwMsgHead.head == NULL) {
  17   #if PAINTONCE
  18                 /* check all windows for pending paint messages*/
  19                 for(wp=listwp; wp; wp=wp->next) {
  20 --- 136,158 ----
  21         return FALSE;
  22   }
  23
  24 + /*
  25 +  * A helper function for sharing code between PeekMessage and GetMessage
  26 +  */
  27 +
  28   BOOL WINAPI
  29 ! PeekMessageHelper(LPMSG lpMsg, HWND hwnd, UINT uMsgFilterMin, UINT uMsgFilterMax,
  30 !       UINT wRemoveMsg, BOOL returnIfEmptyQueue)
  31   {
  32         HWND    wp;
  33         PMSG    pNxtMsg;
  34
  35         /* check if no messages in queue*/
  36         if(mwMsgHead.head == NULL) {
  37 +                 /* Added by JACS so it doesn't reach MwSelect */
  38 +                 if (returnIfEmptyQueue)
  39 +                     return FALSE;
  40 +
  41   #if PAINTONCE
  42                 /* check all windows for pending paint messages*/
  43                 for(wp=listwp; wp; wp=wp->next) {
  44 ***************
  45 *** 176,188 ****
  46   }
  47
  48   BOOL WINAPI
  49   GetMessage(LPMSG lpMsg,HWND hwnd,UINT wMsgFilterMin,UINT wMsgFilterMax)
  50   {
  51         /*
  52          * currently MwSelect() must poll for VT switch reasons,
  53          * so this code will work
  54          */
  55 !       while(!PeekMessage(lpMsg, hwnd, wMsgFilterMin, wMsgFilterMax,PM_REMOVE))
  56                 continue;
  57         return lpMsg->message != WM_QUIT;
  58   }
  59 --- 184,205 ----
  60   }
  61
  62   BOOL WINAPI
  63 + PeekMessage(LPMSG lpMsg, HWND hwnd, UINT uMsgFilterMin, UINT uMsgFilterMax,
  64 +       UINT wRemoveMsg)
  65 + {
  66 +         /* Never wait in MwSelect: pass TRUE */
  67 +         return PeekMessageHelper(lpMsg, hwnd, uMsgFilterMin, uMsgFilterMax, wRemoveMsg, TRUE);
  68 + }
  69 +
  70 + BOOL WINAPI
  71   GetMessage(LPMSG lpMsg,HWND hwnd,UINT wMsgFilterMin,UINT wMsgFilterMax)
  72   {
  73         /*
  74          * currently MwSelect() must poll for VT switch reasons,
  75          * so this code will work
  76          */
  77 !         /* Always wait in MwSelect if there are messages: pass FALSE */
  78 !       while(!PeekMessageHelper(lpMsg, hwnd, wMsgFilterMin, wMsgFilterMax,PM_REMOVE, FALSE))
  79                 continue;
  80         return lpMsg->message != WM_QUIT;
  81   }