[reactos] 01/03: [CONSRV] Stub out support for terminal-level changing of output code page. CORE-17601

[Hermès Bélusca-Maïto]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=ac2494994bfe072e6b991…

commit ac2494994bfe072e6b991a8a18fc588c65774255
Author:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
AuthorDate: Sun Jul 4 00:41:33 2021 +0200
Commit:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
CommitDate: Sat Jan 15 17:41:34 2022 +0100

    [CONSRV] Stub out support for terminal-level changing of output code page.
    CORE-17601
---
 win32ss/user/winsrv/consrv/condrv/console.c        | 13 ++++++++++---
 win32ss/user/winsrv/consrv/condrv/dummyterm.c      |  8 ++++++++
 win32ss/user/winsrv/consrv/frontends/gui/guiterm.c | 12 ++++++++++++
 win32ss/user/winsrv/consrv/frontends/terminal.c    |  9 +++++++++
 win32ss/user/winsrv/consrv/frontends/tui/tuiterm.c | 12 ++++++++++++
 win32ss/user/winsrv/consrv/include/conio.h         |  6 ++++--
 win32ss/user/winsrv/consrv/include/conio_winsrv.h  |  2 ++
 win32ss/user/winsrv/consrv/include/term.h          |  2 ++
 win32ss/user/winsrv/consrv/settings.c              |  8 +++++---
 9 files changed, 64 insertions(+), 8 deletions(-)

diff --git a/win32ss/user/winsrv/consrv/condrv/console.c
b/win32ss/user/winsrv/consrv/condrv/console.c
index 1dd90fb7b2f..fae7beb7de3 100644
--- a/win32ss/user/winsrv/consrv/condrv/console.c
+++ b/win32ss/user/winsrv/consrv/condrv/console.c
@@ -424,20 +424,27 @@ ConDrvSetConsoleCP(IN PCONSOLE Console,
                    IN UINT CodePage,
                    IN BOOLEAN OutputCP)
 {
+    BOOL Success = TRUE;
+
     if (Console == NULL || !IsValidCodePage(CodePage))
         return STATUS_INVALID_PARAMETER;
 
     if (OutputCP)
     {
-        Console->OutputCodePage = CodePage;
-        Console->IsCJK = IsCJKCodePage(CodePage);
+        /* Request the terminal to change its code page support */
+        Success = TermSetCodePage(Console, CodePage);
+        if (Success)
+        {
+            Console->OutputCodePage = CodePage;
+            Console->IsCJK = IsCJKCodePage(CodePage);
+        }
     }
     else
     {
         Console->InputCodePage = CodePage;
     }
 
-    return STATUS_SUCCESS;
+    return (Success ? STATUS_SUCCESS : STATUS_UNSUCCESSFUL);
 }
 
 /* EOF */
diff --git a/win32ss/user/winsrv/consrv/condrv/dummyterm.c
b/win32ss/user/winsrv/consrv/condrv/dummyterm.c
index eaeb94561c7..5d9156a2a96 100644
--- a/win32ss/user/winsrv/consrv/condrv/dummyterm.c
+++ b/win32ss/user/winsrv/consrv/condrv/dummyterm.c
@@ -126,6 +126,13 @@ DummySetPalette(IN OUT PTERMINAL This,
     return TRUE;
 }
 
+static BOOL NTAPI
+DummySetCodePage(IN OUT PTERMINAL This,
+                 UINT CodePage)
+{
+    return TRUE;
+}
+
 static INT NTAPI
 DummyShowMouseCursor(IN OUT PTERMINAL This,
                      BOOL Show)
@@ -149,6 +156,7 @@ static TERMINAL_VTBL DummyVtbl =
     DummyReleaseScreenBuffer,
     DummyGetLargestConsoleWindowSize,
     DummySetPalette,
+    DummySetCodePage,
     DummyShowMouseCursor,
 };
 
diff --git a/win32ss/user/winsrv/consrv/frontends/gui/guiterm.c
b/win32ss/user/winsrv/consrv/frontends/gui/guiterm.c
index 96dc93b52b5..778b11073c1 100644
--- a/win32ss/user/winsrv/consrv/frontends/gui/guiterm.c
+++ b/win32ss/user/winsrv/consrv/frontends/gui/guiterm.c
@@ -1034,6 +1034,17 @@ GuiSetPalette(IN OUT PFRONTEND This,
     return TRUE;
 }
 
+static BOOL NTAPI
+GuiSetCodePage(IN OUT PFRONTEND This,
+               UINT CodePage)
+{
+    // TODO: Find a suitable console font for the given code page,
+    // and set it if found; otherwise fail the call, or fall back
+    // to some default font...
+
+    return TRUE;
+}
+
 static ULONG NTAPI
 GuiGetDisplayMode(IN OUT PFRONTEND This)
 {
@@ -1164,6 +1175,7 @@ static FRONTEND_VTBL GuiVtbl =
     GuiGetLargestConsoleWindowSize,
     GuiGetSelectionInfo,
     GuiSetPalette,
+    GuiSetCodePage,
     GuiGetDisplayMode,
     GuiSetDisplayMode,
     GuiShowMouseCursor,
diff --git a/win32ss/user/winsrv/consrv/frontends/terminal.c
b/win32ss/user/winsrv/consrv/frontends/terminal.c
index 24e43ccc0b5..ddf8f75af22 100644
--- a/win32ss/user/winsrv/consrv/frontends/terminal.c
+++ b/win32ss/user/winsrv/consrv/frontends/terminal.c
@@ -939,6 +939,14 @@ ConSrvTermSetPalette(IN OUT PTERMINAL This,
     return FrontEnd->Vtbl->SetPalette(FrontEnd, PaletteHandle, PaletteUsage);
 }
 
+static BOOL NTAPI
+ConSrvTermSetCodePage(IN OUT PTERMINAL This,
+                      UINT CodePage)
+{
+    PFRONTEND FrontEnd = This->Context;
+    return FrontEnd->Vtbl->SetCodePage(FrontEnd, CodePage);
+}
+
 static INT NTAPI
 ConSrvTermShowMouseCursor(IN OUT PTERMINAL This,
                      BOOL Show)
@@ -963,6 +971,7 @@ static TERMINAL_VTBL ConSrvTermVtbl =
     ConSrvTermReleaseScreenBuffer,
     ConSrvTermGetLargestConsoleWindowSize,
     ConSrvTermSetPalette,
+    ConSrvTermSetCodePage,
     ConSrvTermShowMouseCursor,
 };
 
diff --git a/win32ss/user/winsrv/consrv/frontends/tui/tuiterm.c
b/win32ss/user/winsrv/consrv/frontends/tui/tuiterm.c
index fd58595ff69..3bc48c85940 100644
--- a/win32ss/user/winsrv/consrv/frontends/tui/tuiterm.c
+++ b/win32ss/user/winsrv/consrv/frontends/tui/tuiterm.c
@@ -881,6 +881,17 @@ TuiSetPalette(IN OUT PFRONTEND This,
     return TRUE;
 }
 
+static BOOL NTAPI
+TuiSetCodePage(IN OUT PFRONTEND This,
+               UINT CodePage)
+{
+    // TODO: Find a suitable console font for the given code page,
+    // and set it if found; otherwise fail the call, or fall back
+    // to some default font...
+
+    return TRUE;
+}
+
 static ULONG NTAPI
 TuiGetDisplayMode(IN OUT PFRONTEND This)
 {
@@ -945,6 +956,7 @@ static FRONTEND_VTBL TuiVtbl =
     TuiGetLargestConsoleWindowSize,
     TuiGetSelectionInfo,
     TuiSetPalette,
+    TuiSetCodePage,
     TuiGetDisplayMode,
     TuiSetDisplayMode,
     TuiShowMouseCursor,
diff --git a/win32ss/user/winsrv/consrv/include/conio.h
b/win32ss/user/winsrv/consrv/include/conio.h
index 37360b17b11..ead041e51df 100644
--- a/win32ss/user/winsrv/consrv/include/conio.h
+++ b/win32ss/user/winsrv/consrv/include/conio.h
@@ -250,8 +250,10 @@ typedef struct _TERMINAL_VTBL
     BOOL (NTAPI *SetPalette)(IN OUT PTERMINAL This,
                              HPALETTE PaletteHandle,
                              UINT PaletteUsage);
-    INT   (NTAPI *ShowMouseCursor)(IN OUT PTERMINAL This,
-                                   BOOL Show);
+    BOOL (NTAPI *SetCodePage)(IN OUT PTERMINAL This,
+                              UINT CodePage);
+    INT  (NTAPI *ShowMouseCursor)(IN OUT PTERMINAL This,
+                                  BOOL Show);
 
 #if 0 // Possible future terminal interface
     BOOL (NTAPI *GetTerminalProperty)(IN OUT PTERMINAL This,
diff --git a/win32ss/user/winsrv/consrv/include/conio_winsrv.h
b/win32ss/user/winsrv/consrv/include/conio_winsrv.h
index 2f682bd8b2f..0dff19813cb 100644
--- a/win32ss/user/winsrv/consrv/include/conio_winsrv.h
+++ b/win32ss/user/winsrv/consrv/include/conio_winsrv.h
@@ -79,6 +79,8 @@ typedef struct _FRONTEND_VTBL
     BOOL (NTAPI *SetPalette)(IN OUT PFRONTEND This,
                              HPALETTE PaletteHandle,
                              UINT PaletteUsage);
+    BOOL (NTAPI *SetCodePage)(IN OUT PFRONTEND This,
+                              UINT CodePage);
     ULONG (NTAPI *GetDisplayMode)(IN OUT PFRONTEND This);
     BOOL  (NTAPI *SetDisplayMode)(IN OUT PFRONTEND This,
                                   ULONG NewMode);
diff --git a/win32ss/user/winsrv/consrv/include/term.h
b/win32ss/user/winsrv/consrv/include/term.h
index 2766ec89068..6137d3742bb 100644
--- a/win32ss/user/winsrv/consrv/include/term.h
+++ b/win32ss/user/winsrv/consrv/include/term.h
@@ -35,6 +35,8 @@
    
(Console)->TermIFace.Vtbl->GetLargestConsoleWindowSize(&(Console)->TermIFace,
(pSize))
 #define TermSetPalette(Console, PaletteHandle, PaletteUsage) \
     (Console)->TermIFace.Vtbl->SetPalette(&(Console)->TermIFace,
(PaletteHandle), (PaletteUsage))
+#define TermSetCodePage(Console, CodePage) \
+    (Console)->TermIFace.Vtbl->SetCodePage(&(Console)->TermIFace,
(CodePage))
 #define TermShowMouseCursor(Console, Show) \
     (Console)->TermIFace.Vtbl->ShowMouseCursor(&(Console)->TermIFace,
(Show))
 
diff --git a/win32ss/user/winsrv/consrv/settings.c
b/win32ss/user/winsrv/consrv/settings.c
index b0cef35638c..22cccc2d81c 100644
--- a/win32ss/user/winsrv/consrv/settings.c
+++ b/win32ss/user/winsrv/consrv/settings.c
@@ -64,11 +64,13 @@ ConSrvApplyUserSettings(
     if ((Console->OutputCodePage != ConsoleInfo->CodePage) &&
         IsValidCodePage(ConsoleInfo->CodePage))
     {
-        Console->InputCodePage = Console->OutputCodePage =
ConsoleInfo->CodePage;
         // ConDrvSetConsoleCP(Console, ConsoleInfo->CodePage, TRUE);    // Output
         // ConDrvSetConsoleCP(Console, ConsoleInfo->CodePage, FALSE);   // Input
-
-        Console->IsCJK = IsCJKCodePage(Console->OutputCodePage);
+        if (TermSetCodePage(Console, ConsoleInfo->CodePage))
+        {
+            Console->InputCodePage = Console->OutputCodePage =
ConsoleInfo->CodePage;
+            Console->IsCJK = IsCJKCodePage(Console->OutputCodePage);
+        }
     }
 
     // FIXME: Check ConsoleInfo->WindowSize with respect to