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

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS Console Server DLL
   4  * FILE:            condrv/dummyterm.c
   5  * PURPOSE:         Dummy Terminal used when no terminal
   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
  14 /* DUMMY TERMINAL INTERFACE ***************************************************/
  15
  16 static NTSTATUS NTAPI
  17 DummyInitTerminal(IN OUT PTERMINAL This,
  18                   IN PCONSOLE Console)
  19 {
  20     return STATUS_SUCCESS;
  21 }
  22
  23 static VOID NTAPI
  24 DummyDeinitTerminal(IN OUT PTERMINAL This)
  25 {
  26 }
  27
  28 static VOID NTAPI
  29 DummyDrawRegion(IN OUT PTERMINAL This,
  30                 SMALL_RECT* Region)
  31 {
  32 }
  33
  34 static VOID NTAPI
  35 DummyWriteStream(IN OUT PTERMINAL This,
  36                  SMALL_RECT* Region,
  37                  SHORT CursorStartX,
  38                  SHORT CursorStartY,
  39                  UINT ScrolledLines,
  40                  PWCHAR Buffer,
  41                  UINT Length)
  42 {
  43 }
  44
  45 static BOOL NTAPI
  46 DummySetCursorInfo(IN OUT PTERMINAL This,
  47                    PCONSOLE_SCREEN_BUFFER ScreenBuffer)
  48 {
  49     return TRUE;
  50 }
  51
  52 static BOOL NTAPI
  53 DummySetScreenInfo(IN OUT PTERMINAL This,
  54                    PCONSOLE_SCREEN_BUFFER ScreenBuffer,
  55                    SHORT OldCursorX,
  56                    SHORT OldCursorY)
  57 {
  58     return TRUE;
  59 }
  60
  61 static VOID NTAPI
  62 DummyResizeTerminal(IN OUT PTERMINAL This)
  63 {
  64 }
  65
  66 static VOID NTAPI
  67 DummySetActiveScreenBuffer(IN OUT PTERMINAL This)
  68 {
  69 }
  70
  71 static VOID NTAPI
  72 DummyReleaseScreenBuffer(IN OUT PTERMINAL This,
  73                          IN PCONSOLE_SCREEN_BUFFER ScreenBuffer)
  74 {
  75 }
  76
  77 static VOID NTAPI
  78 DummyChangeTitle(IN OUT PTERMINAL This)
  79 {
  80 }
  81
  82 static VOID NTAPI
  83 DummyGetLargestConsoleWindowSize(IN OUT PTERMINAL This,
  84                                  PCOORD pSize)
  85 {
  86 }
  87
  88 /*
  89 static BOOL NTAPI
  90 DummyGetSelectionInfo(IN OUT PTERMINAL This,
  91                       PCONSOLE_SELECTION_INFO pSelectionInfo)
  92 {
  93     return TRUE;
  94 }
  95 */
  96
  97 static BOOL NTAPI
  98 DummySetPalette(IN OUT PTERMINAL This,
  99                 HPALETTE PaletteHandle,
 100                 UINT PaletteUsage)
 101 {
 102     return TRUE;
 103 }
 104
 105 static INT NTAPI
 106 DummyShowMouseCursor(IN OUT PTERMINAL This,
 107                      BOOL Show)
 108 {
 109     return 0;
 110 }
 111
 112 static TERMINAL_VTBL DummyVtbl =
 113 {
 114     DummyInitTerminal,
 115     DummyDeinitTerminal,
 116     DummyDrawRegion,
 117     DummyWriteStream,
 118     DummySetCursorInfo,
 119     DummySetScreenInfo,
 120     DummyResizeTerminal,
 121     DummySetActiveScreenBuffer,
 122     DummyReleaseScreenBuffer,
 123     DummyChangeTitle,
 124     DummyGetLargestConsoleWindowSize,
 125     // DummyGetSelectionInfo,
 126     DummySetPalette,
 127     DummyShowMouseCursor,
 128 };
 129
 130 VOID
 131 ResetTerminal(IN PCONSOLE Console)
 132 {
 133     if (!Console) return;
 134
 135     /* Reinitialize the terminal interface */
 136     RtlZeroMemory(&Console->TermIFace, sizeof(Console->TermIFace));
 137     Console->TermIFace.Vtbl = &DummyVtbl;
 138 }
 139
 140 /* EOF */