win32ss/user/winsrv/consrv/condrv/dummyfrontend.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS Console Server DLL
   4  * FILE:            win32ss/user/winsrv/consrv/condrv/dummyfrontend.c
   5  * PURPOSE:         Dummy Terminal Front-End used when no frontend
   6  *                  is attached to the specified console.
   7  * PROGRAMMERS:     Hermes Belusca-Maito (hermes.belusca@sfr.fr)
   8  */
   9
  10 /* INCLUDES *******************************************************************/
  11
  12 #include "consrv.h"
  13 #include "include/conio.h"
  14
  15
  16 /* DUMMY FRONTEND INTERFACE ***************************************************/
  17
  18 static NTSTATUS NTAPI
  19 DummyInitFrontEnd(IN OUT PFRONTEND This,
  20                   IN PCONSOLE Console)
  21 {
  22     /* Load some settings ?? */
  23     return STATUS_SUCCESS;
  24 }
  25
  26 static VOID NTAPI
  27 DummyDeinitFrontEnd(IN OUT PFRONTEND This)
  28 {
  29     /* Free some settings ?? */
  30 }
  31
  32 static VOID NTAPI
  33 DummyDrawRegion(IN OUT PFRONTEND This,
  34                 SMALL_RECT* Region)
  35 {
  36 }
  37
  38 static VOID NTAPI
  39 DummyWriteStream(IN OUT PFRONTEND This,
  40                  SMALL_RECT* Region,
  41                  SHORT CursorStartX,
  42                  SHORT CursorStartY,
  43                  UINT ScrolledLines,
  44                  PWCHAR Buffer,
  45                  UINT Length)
  46 {
  47 }
  48
  49 static BOOL NTAPI
  50 DummySetCursorInfo(IN OUT PFRONTEND This,
  51                    PCONSOLE_SCREEN_BUFFER Buff)
  52 {
  53     return TRUE;
  54 }
  55
  56 static BOOL NTAPI
  57 DummySetScreenInfo(IN OUT PFRONTEND This,
  58                    PCONSOLE_SCREEN_BUFFER Buff,
  59                    SHORT OldCursorX,
  60                    SHORT OldCursorY)
  61 {
  62     return TRUE;
  63 }
  64
  65 static VOID NTAPI
  66 DummyResizeTerminal(IN OUT PFRONTEND This)
  67 {
  68 }
  69
  70 static BOOL NTAPI
  71 DummyProcessKeyCallback(IN OUT PFRONTEND This,
  72                         MSG* msg,
  73                         BYTE KeyStateMenu,
  74                         DWORD ShiftState,
  75                         UINT VirtualKeyCode,
  76                         BOOL Down)
  77 {
  78     return FALSE;
  79 }
  80
  81 static VOID NTAPI
  82 DummyRefreshInternalInfo(IN OUT PFRONTEND This)
  83 {
  84 }
  85
  86 static VOID NTAPI
  87 DummyChangeTitle(IN OUT PFRONTEND This)
  88 {
  89 }
  90
  91 static BOOL NTAPI
  92 DummyChangeIcon(IN OUT PFRONTEND This,
  93                 HICON hWindowIcon)
  94 {
  95     return TRUE;
  96 }
  97
  98 static HWND NTAPI
  99 DummyGetConsoleWindowHandle(IN OUT PFRONTEND This)
 100 {
 101     return NULL;
 102 }
 103
 104 static VOID NTAPI
 105 DummyGetLargestConsoleWindowSize(IN OUT PFRONTEND This,
 106                                  PCOORD pSize)
 107 {
 108 }
 109
 110 static ULONG NTAPI
 111 DummyGetDisplayMode(IN OUT PFRONTEND This)
 112 {
 113     return 0;
 114 }
 115
 116 static BOOL NTAPI
 117 DummySetDisplayMode(IN OUT PFRONTEND This,
 118                     ULONG NewMode)
 119 {
 120     return TRUE;
 121 }
 122
 123 static INT NTAPI
 124 DummyShowMouseCursor(IN OUT PFRONTEND This,
 125                      BOOL Show)
 126 {
 127     return 0;
 128 }
 129
 130 static BOOL NTAPI
 131 DummySetMouseCursor(IN OUT PFRONTEND This,
 132                     HCURSOR hCursor)
 133 {
 134     return TRUE;
 135 }
 136
 137 static HMENU NTAPI
 138 DummyMenuControl(IN OUT PFRONTEND This,
 139                  UINT cmdIdLow,
 140                  UINT cmdIdHigh)
 141 {
 142     return NULL;
 143 }
 144
 145 static BOOL NTAPI
 146 DummySetMenuClose(IN OUT PFRONTEND This,
 147                   BOOL Enable)
 148 {
 149     return TRUE;
 150 }
 151
 152 static FRONTEND_VTBL DummyVtbl =
 153 {
 154     DummyInitFrontEnd,
 155     DummyDeinitFrontEnd,
 156     DummyDrawRegion,
 157     DummyWriteStream,
 158     DummySetCursorInfo,
 159     DummySetScreenInfo,
 160     DummyResizeTerminal,
 161     DummyProcessKeyCallback,
 162     DummyRefreshInternalInfo,
 163     DummyChangeTitle,
 164     DummyChangeIcon,
 165     DummyGetConsoleWindowHandle,
 166     DummyGetLargestConsoleWindowSize,
 167     DummyGetDisplayMode,
 168     DummySetDisplayMode,
 169     DummyShowMouseCursor,
 170     DummySetMouseCursor,
 171     DummyMenuControl,
 172     DummySetMenuClose,
 173 };
 174
 175 VOID
 176 ResetFrontEnd(IN PCONSOLE Console)
 177 {
 178     if (!Console) return;
 179
 180     /* Reinitialize the frontend interface */
 181     RtlZeroMemory(&Console->TermIFace, sizeof(Console->TermIFace));
 182     Console->TermIFace.Vtbl = &DummyVtbl;
 183 }
 184
 185 /* EOF */