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
  35
  36 /************ Line discipline ***************/
  37
  38 static NTSTATUS NTAPI
  39 DummyReadStream(IN OUT PTERMINAL This,
  40                 /**/IN PUNICODE_STRING ExeName /**/OPTIONAL/**/,/**/
  41                 IN BOOLEAN Unicode,
  42                 /**PWCHAR Buffer,**/
  43                 OUT PVOID Buffer,
  44                 IN OUT PCONSOLE_READCONSOLE_CONTROL ReadControl,
  45                 IN ULONG NumCharsToRead,
  46                 OUT PULONG NumCharsRead OPTIONAL)
  47 {
  48     /*
  49      * We were called because the console was in cooked mode.
  50      * There is nothing to read, wait until a real terminal
  51      * is plugged into the console.
  52      */
  53     return STATUS_PENDING;
  54 }
  55
  56 static NTSTATUS NTAPI
  57 DummyWriteStream(IN OUT PTERMINAL This,
  58                  PTEXTMODE_SCREEN_BUFFER Buff,
  59                  PWCHAR Buffer,
  60                  DWORD Length,
  61                  BOOL Attrib)
  62 {
  63     /*
  64      * We were called because the console was in cooked mode.
  65      * There is nothing to write, wait until a real terminal
  66      * is plugged into the console.
  67      */
  68
  69     // /* Stop here if the console is paused */
  70     // if (Console->UnpauseEvent != NULL) return STATUS_PENDING;
  71
  72     return STATUS_PENDING;
  73 }
  74
  75 /************ Line discipline ***************/
  76
  77
  78
  79 static BOOL NTAPI
  80 DummySetCursorInfo(IN OUT PTERMINAL This,
  81                    PCONSOLE_SCREEN_BUFFER ScreenBuffer)
  82 {
  83     return TRUE;
  84 }
  85
  86 static BOOL NTAPI
  87 DummySetScreenInfo(IN OUT PTERMINAL This,
  88                    PCONSOLE_SCREEN_BUFFER ScreenBuffer,
  89                    SHORT OldCursorX,
  90                    SHORT OldCursorY)
  91 {
  92     return TRUE;
  93 }
  94
  95 static VOID NTAPI
  96 DummyResizeTerminal(IN OUT PTERMINAL This)
  97 {
  98 }
  99
 100 static VOID NTAPI
 101 DummySetActiveScreenBuffer(IN OUT PTERMINAL This)
 102 {
 103 }
 104
 105 static VOID NTAPI
 106 DummyReleaseScreenBuffer(IN OUT PTERMINAL This,
 107                          IN PCONSOLE_SCREEN_BUFFER ScreenBuffer)
 108 {
 109 }
 110
 111 static VOID NTAPI
 112 DummyChangeTitle(IN OUT PTERMINAL This)
 113 {
 114 }
 115
 116 static VOID NTAPI
 117 DummyGetLargestConsoleWindowSize(IN OUT PTERMINAL This,
 118                                  PCOORD pSize)
 119 {
 120 }
 121
 122 /*
 123 static BOOL NTAPI
 124 DummyGetSelectionInfo(IN OUT PTERMINAL This,
 125                       PCONSOLE_SELECTION_INFO pSelectionInfo)
 126 {
 127     return TRUE;
 128 }
 129 */
 130
 131 static BOOL NTAPI
 132 DummySetPalette(IN OUT PTERMINAL This,
 133                 HPALETTE PaletteHandle,
 134                 UINT PaletteUsage)
 135 {
 136     return TRUE;
 137 }
 138
 139 static INT NTAPI
 140 DummyShowMouseCursor(IN OUT PTERMINAL This,
 141                      BOOL Show)
 142 {
 143     return 0;
 144 }
 145
 146 static TERMINAL_VTBL DummyVtbl =
 147 {
 148     DummyInitTerminal,
 149     DummyDeinitTerminal,
 150     DummyDrawRegion,
 151
 152     DummyReadStream,
 153     DummyWriteStream,
 154
 155     DummySetCursorInfo,
 156     DummySetScreenInfo,
 157     DummyResizeTerminal,
 158     DummySetActiveScreenBuffer,
 159     DummyReleaseScreenBuffer,
 160     DummyChangeTitle,
 161     DummyGetLargestConsoleWindowSize,
 162     // DummyGetSelectionInfo,
 163     DummySetPalette,
 164     DummyShowMouseCursor,
 165 };
 166
 167 VOID
 168 ResetTerminal(IN PCONSOLE Console)
 169 {
 170     if (!Console) return;
 171
 172     /* Reinitialize the terminal interface */
 173     RtlZeroMemory(&Console->TermIFace, sizeof(Console->TermIFace));
 174     Console->TermIFace.Vtbl = &DummyVtbl;
 175 }
 176
 177 /* EOF */