ReactOS  0.4.15-dev-4853-g3a72a52
settings.c
Go to the documentation of this file.
1 /*
2  * COPYRIGHT: See COPYING in the top level directory
3  * PROJECT: ReactOS Console Server DLL
4  * FILE: win32ss/user/winsrv/consrv/settings.c
5  * PURPOSE: Console settings management
6  * PROGRAMMERS: Johannes Anderwald
7  * Hermes Belusca-Maito (hermes.belusca@sfr.fr)
8  */
9 
10 /* INCLUDES *******************************************************************/
11 
12 #include "consrv.h"
13 #include "history.h"
14 #include "../concfg/font.h"
15 
16 #define NDEBUG
17 #include <debug.h>
18 
19 /* GLOBALS ********************************************************************/
20 
21 extern const COLORREF s_Colors[16];
22 
23 
24 /* FUNCTIONS ******************************************************************/
25 
29  IN USHORT NewScreenAttrib,
30  IN USHORT NewPopupAttrib);
31 /*
32  * NOTE: This function explicitly references Console->ActiveBuffer.
33  * It is possible that it should go into some frontend...
34  */
35 VOID
39 {
40  PCONSOLE_SCREEN_BUFFER ActiveBuffer = Console->ActiveBuffer;
41 
42  /*
43  * Apply terminal-edition settings:
44  * - QuickEdit and Insert modes,
45  * - History settings.
46  */
47  Console->QuickEdit = !!ConsoleInfo->QuickEdit;
48  Console->InsertMode = !!ConsoleInfo->InsertMode;
51  ConsoleInfo->HistoryBufferSize,
52  ConsoleInfo->NumberOfHistoryBuffers,
53  ConsoleInfo->HistoryNoDup);
54 
55  /* Copy the new console palette */
56  // FIXME: Possible buffer overflow if s_colors is bigger than ConsoleInfo->ColorTable.
57  RtlCopyMemory(Console->Colors, ConsoleInfo->ColorTable, sizeof(s_Colors));
58 
59  /* Apply cursor size */
60  ActiveBuffer->CursorInfo.bVisible = (ConsoleInfo->CursorSize != 0);
61  ActiveBuffer->CursorInfo.dwSize = min(max(ConsoleInfo->CursorSize, 0), 100);
62 
63  /* Update the code page */
64  if ((Console->OutputCodePage != ConsoleInfo->CodePage) &&
65  IsValidCodePage(ConsoleInfo->CodePage))
66  {
67  // ConDrvSetConsoleCP(Console, ConsoleInfo->CodePage, TRUE); // Output
68  // ConDrvSetConsoleCP(Console, ConsoleInfo->CodePage, FALSE); // Input
69  if (TermSetCodePage(Console, ConsoleInfo->CodePage))
70  {
72  Console->InputCodePage = ConsoleInfo->CodePage;
73  }
74  }
75 
76  // FIXME: Check ConsoleInfo->WindowSize with respect to
77  // TermGetLargestConsoleWindowSize(...).
78 
79  if (GetType(ActiveBuffer) == TEXTMODE_BUFFER)
80  {
81  /* Resize its active screen-buffer */
83  COORD BufSize = ConsoleInfo->ScreenBufferSize;
84 
85  if (Console->FixedSize)
86  {
87  /*
88  * The console is in fixed-size mode, so we cannot resize anything
89  * at the moment. However, keep those settings somewhere so that
90  * we can try to set them up when we will be allowed to do so.
91  */
92  if (ConsoleInfo->WindowSize.X != ActiveBuffer->OldViewSize.X ||
93  ConsoleInfo->WindowSize.Y != ActiveBuffer->OldViewSize.Y)
94  {
95  ActiveBuffer->OldViewSize = ConsoleInfo->WindowSize;
96  }
97 
98  /* The buffer size is not allowed to be smaller than the view size */
99  if (BufSize.X >= ActiveBuffer->OldViewSize.X && BufSize.Y >= ActiveBuffer->OldViewSize.Y)
100  {
101  if (BufSize.X != ActiveBuffer->OldScreenBufferSize.X ||
102  BufSize.Y != ActiveBuffer->OldScreenBufferSize.Y)
103  {
104  /*
105  * The console is in fixed-size mode, so we cannot resize anything
106  * at the moment. However, keep those settings somewhere so that
107  * we can try to set them up when we will be allowed to do so.
108  */
109  ActiveBuffer->OldScreenBufferSize = BufSize;
110  }
111  }
112  }
113  else
114  {
115  BOOL SizeChanged = FALSE;
116 
117  /* Resize the console */
118  if (ConsoleInfo->WindowSize.X != ActiveBuffer->ViewSize.X ||
119  ConsoleInfo->WindowSize.Y != ActiveBuffer->ViewSize.Y)
120  {
121  ActiveBuffer->ViewSize = ConsoleInfo->WindowSize;
122  SizeChanged = TRUE;
123  }
124 
125  /* Resize the screen-buffer */
126  if (BufSize.X != ActiveBuffer->ScreenBufferSize.X ||
127  BufSize.Y != ActiveBuffer->ScreenBufferSize.Y)
128  {
130  SizeChanged = TRUE;
131  }
132 
133  if (SizeChanged) TermResizeTerminal(Console);
134  }
135 
136  /* Apply foreground and background colors for both screen and popup */
138  Buffer,
139  ConsoleInfo->ScreenAttributes,
140  ConsoleInfo->PopupAttributes);
141  }
142  else // if (GetType(ActiveBuffer) == GRAPHICS_BUFFER)
143  {
144  /*
145  * In any case we do NOT modify the size of the graphics screen-buffer.
146  * We just allow resizing the view only if the new size is smaller
147  * than the older one.
148  */
149  if (Console->FixedSize)
150  {
151  /*
152  * The console is in fixed-size mode, so we cannot resize anything
153  * at the moment. However, keep those settings somewhere so that
154  * we can try to set them up when we will be allowed to do so.
155  */
156  if (ConsoleInfo->WindowSize.X <= ActiveBuffer->ViewSize.X ||
157  ConsoleInfo->WindowSize.Y <= ActiveBuffer->ViewSize.Y)
158  {
159  ActiveBuffer->OldViewSize = ConsoleInfo->WindowSize;
160  }
161  }
162  else
163  {
164  /* Resize the view if its size is bigger than the specified size */
165  if (ConsoleInfo->WindowSize.X <= ActiveBuffer->ViewSize.X ||
166  ConsoleInfo->WindowSize.Y <= ActiveBuffer->ViewSize.Y)
167  {
168  ActiveBuffer->ViewSize = ConsoleInfo->WindowSize;
169  // SizeChanged = TRUE;
170  }
171  }
172  }
173 }
174 
175 /* EOF */
#define IN
Definition: typedefs.h:39
#define max(a, b)
Definition: svc.c:63
#define TRUE
Definition: types.h:120
const COLORREF s_Colors[16]
Definition: conwnd.c:109
LONG NTSTATUS
Definition: precomp.h:26
#define TermResizeTerminal(Console)
Definition: term.h:28
COORD OldScreenBufferSize
Definition: conio.h:65
#define CON_SET_OUTPUT_CP(Console, CodePage)
Definition: conio.h:323
#define TermSetCodePage(Console, CodePage)
Definition: term.h:38
NTSTATUS(* NTAPI)(IN PFILE_FULL_EA_INFORMATION EaBuffer, IN ULONG EaLength, OUT PULONG ErrorOffset)
Definition: IoEaTest.cpp:117
#define FALSE
Definition: types.h:117
COORD ScreenBufferSize
Definition: conio.h:62
unsigned int BOOL
Definition: ntddk_ex.h:94
Definition: bufpool.h:45
#define BufSize
Definition: FsRtlTunnel.c:28
ULONG X
Definition: bl.h:1339
VOID HistoryReshapeAllBuffers(IN PCONSRV_CONSOLE Console, IN ULONG HistoryBufferSize, IN ULONG MaxNumberOfHistoryBuffers, IN BOOLEAN HistoryNoDup)
Definition: history.c:371
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
DWORD COLORREF
Definition: windef.h:300
NTSTATUS NTAPI ConDrvChangeScreenBufferAttributes(IN PCONSOLE Console, IN PTEXTMODE_SCREEN_BUFFER Buffer, IN USHORT NewScreenAttrib, IN USHORT NewPopupAttrib)
Definition: text.c:497
Definition: bl.h:1337
#define GetType(This)
Definition: conio.h:54
BOOL WINAPI IsValidCodePage(UINT CodePage)
Definition: nls.c:1515
NTSTATUS ConioResizeBuffer(PCONSOLE Console, PTEXTMODE_SCREEN_BUFFER ScreenBuffer, COORD Size)
Definition: text.c:359
unsigned short USHORT
Definition: pedump.c:61
static CONSOLE_SCREEN_BUFFER_INFO ConsoleInfo
Definition: video.c:47
VOID ConSrvApplyUserSettings(IN PCONSRV_CONSOLE Console, IN PCONSOLE_STATE_INFO ConsoleInfo)
Definition: settings.c:36
#define min(a, b)
Definition: monoChain.cc:55
CConsole Console
#define RtlCopyMemory(Destination, Source, Length)
Definition: typedefs.h:263
CONSOLE_CURSOR_INFO CursorInfo
Definition: conio.h:75
ULONG Y
Definition: bl.h:1340
struct _TEXTMODE_SCREEN_BUFFER * PTEXTMODE_SCREEN_BUFFER