conhost: Use better default values in create_screen_buffer.

dlls/kernel32/tests/console.c

@@ -3950,6 +3950,8 @@ static void test_AllocConsole(void)
 
 static void test_pseudo_console_child(HANDLE input, HANDLE output)
 {
+    CONSOLE_SCREEN_BUFFER_INFO sb_info;
+    CONSOLE_CURSOR_INFO cursor_info;
     DWORD mode;
     BOOL ret;
 
@@ -3985,6 +3987,25 @@ static void test_pseudo_console_child(HANDLE input, HANDLE output)
     ret = SetConsoleMode(output, mode | ENABLE_WRAP_AT_EOL_OUTPUT);
     ok(ret, "SetConsoleMode failed: %u\n", GetLastError());
 
+    ret = GetConsoleScreenBufferInfo(output, &sb_info);
+    ok(ret, "GetConsoleScreenBufferInfo failed: %u\n", GetLastError());
+    ok(sb_info.dwSize.X == 40, "dwSize.X = %u\n", sb_info.dwSize.X);
+    ok(sb_info.dwSize.Y == 30, "dwSize.Y = %u\n", sb_info.dwSize.Y);
+    ok(sb_info.dwCursorPosition.X == 0, "dwCursorPosition.X = %u\n", sb_info.dwCursorPosition.X);
+    ok(sb_info.dwCursorPosition.Y == 0, "dwCursorPosition.Y = %u\n", sb_info.dwCursorPosition.Y);
+    ok(sb_info.wAttributes == 7, "wAttributes = %x\n", sb_info.wAttributes);
+    ok(sb_info.srWindow.Left == 0, "srWindow.Left = %u\n", sb_info.srWindow.Left);
+    ok(sb_info.srWindow.Top == 0, "srWindow.Top = %u\n", sb_info.srWindow.Top);
+    ok(sb_info.srWindow.Right == 39, "srWindow.Right = %u\n", sb_info.srWindow.Right);
+    ok(sb_info.srWindow.Bottom == 29, "srWindow.Bottom = %u\n", sb_info.srWindow.Bottom);
+    ok(sb_info.dwMaximumWindowSize.X == 40, "dwMaximumWindowSize.X = %u\n", sb_info.dwMaximumWindowSize.X);
+    ok(sb_info.dwMaximumWindowSize.Y == 30, "dwMaximumWindowSize.Y = %u\n", sb_info.dwMaximumWindowSize.Y);
+
+    ret = GetConsoleCursorInfo(output, &cursor_info);
+    ok(ret, "GetConsoleCursorInfo failed: %u\n", GetLastError());
+    ok(cursor_info.dwSize == 25, "dwSize = %u\n", cursor_info.dwSize);
+    ok(cursor_info.bVisible == TRUE, "bVisible = %x\n", cursor_info.bVisible);
+
     test_console_title();
     test_WriteConsoleInputW(input);
 }

programs/conhost/conhost.c

@@ -184,19 +184,30 @@ static struct screen_buffer *create_screen_buffer( struct console *console, int
     screen_buffer->console        = console;
     screen_buffer->id             = id;
     screen_buffer->mode           = ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT;
-    screen_buffer->cursor_size    = 100;
+    screen_buffer->cursor_size    = 25;
     screen_buffer->cursor_visible = 1;
     screen_buffer->width          = width;
     screen_buffer->height         = height;
     screen_buffer->attr           = 0x07;
     screen_buffer->popup_attr     = 0xf5;
-    screen_buffer->max_width      = 80;
-    screen_buffer->max_height     = 25;
-    screen_buffer->win.right      = min( screen_buffer->max_width - 1, width - 1 );
-    screen_buffer->win.bottom     = min( screen_buffer->max_height - 1, height - 1);
     screen_buffer->font.weight    = FW_NORMAL;
     screen_buffer->font.pitch_family = FIXED_PITCH | FF_DONTCARE;
 
+    if (console->active)
+    {
+        screen_buffer->max_width  = console->active->max_width;
+        screen_buffer->max_height = console->active->max_height;
+        screen_buffer->win.right  = console->active->win.right  - console->active->win.left;
+        screen_buffer->win.bottom = console->active->win.bottom - console->active->win.top;
+    }
+    else
+    {
+        screen_buffer->max_width  = width;
+        screen_buffer->max_height = height;
+        screen_buffer->win.right  = width - 1;
+        screen_buffer->win.bottom = height - 1;
+    }
+
     if (wine_rb_put( &screen_buffer_map, LongToPtr(id), &screen_buffer->entry ))
     {
         free( screen_buffer );